/* ==========================================
   Plum Box - Adaptive Clean Theme (X.com Style)
   ========================================== */

/* Base Variables (Default to Dark) */
:root {
    color-scheme: light dark;
    /* Colors - Dynamic */
    --bg-primary: #000000;
    --bg-secondary: #000000;
    /* X.com style uses mostly black */
    --bg-tertiary: #000000;
    /* Slightly lighter for inputs/cards */
    --bg-hover: #000000;
    --border-color: #2f3336;
    --border-light: #3a3a3a;

    --text-primary: #e7e9ea;
    --text-secondary: #71767b;
    --text-muted: #536471;

    --accent-color: #ffffff;
    /* Monochrome Accent */
    --accent-hover: #d6d9db;

    --success: #00ba7c;
    --error: #f4212e;
    --warning: #ffd400;

    /* Spacing */
    --sidebar-width: 220px;
    --header-height: 53px;
    --mobile-header-height: 50px;
    --mobile-tab-height: 50px;

    /* Animation */
    --transition-fast: 150ms ease;
    --transition-normal: 200ms ease;

    /* Overlay */
    --overlay-bg: rgba(91, 112, 131, 0.4);
    --photo-viewer-bg: rgba(0, 0, 0, 0.95);
    --gradient-overlay: linear-gradient(transparent, rgba(0, 0, 0, 0.8));

    /* Scrollbar */
    --scrollbar-track: transparent;
    --scrollbar-thumb: #333333;

    /* Download Section */
    --download-card-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.08);
    --download-card-shadow-hover: 0 4px 16px rgba(0,0,0,0.2), 0 2px 8px rgba(0,0,0,0.12);
    --download-active-gradient: linear-gradient(135deg, rgba(59,130,246,0.06), rgba(59,130,246,0.02));
    --download-active-border: rgba(59,130,246,0.2);
    --progress-height: 6px;
    --blue: #3b82f6;

    /* Settings */
    --toggle-thumb: #ffffff;
}

/* Light Mode Override */
@media (prefers-color-scheme: light) {
    :root {
        --bg-primary: #ffffff;
        --bg-secondary: #ffffff;
        --bg-tertiary: #eff3f4;
        --bg-hover: #e7e7e8;
        --border-color: #cfd9de;
        --border-light: #e1e8ed;

        --text-primary: #0f1419;
        --text-secondary: #536471;
        --text-muted: #8b98a5;

        --accent-color: #000000;
        /* Monochrome Accent */
        --accent-hover: #222222;

        --scrollbar-thumb: #cccccc;
        --photo-viewer-bg: rgba(255, 255, 255, 0.95);
        --gradient-overlay: linear-gradient(transparent, rgba(255, 255, 255, 0.8));
        /* Whiter gradient? Maybe just darker for contrast still */
        --gradient-overlay: linear-gradient(transparent, rgba(0, 0, 0, 0.5));
        /* Keep dark gradient for text readability on images */
    }
}

/* Manual Theme Override - Dark */
[data-theme="dark"] {
    --bg-primary: #000000;
    --bg-secondary: #000000;
    --bg-tertiary: #000000;
    --bg-hover: #000000;
    --border-color: #2f3336;
    --border-light: #3a3a3a;
    --text-primary: #e7e9ea;
    --text-secondary: #71767b;
    --text-muted: #536471;
    --accent-color: #ffffff;
    --accent-hover: #d6d9db;
    --scrollbar-thumb: #333333;
    --photo-viewer-bg: rgba(0, 0, 0, 0.95);
    --gradient-overlay: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
}

/* Manual Theme Override - Light */
[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #ffffff;
    --bg-tertiary: #eff3f4;
    --bg-hover: #e7e7e8;
    --border-color: #cfd9de;
    --border-light: #e1e8ed;
    --text-primary: #0f1419;
    --text-secondary: #536471;
    --text-muted: #8b98a5;
    --accent-color: #000000;
    --accent-hover: #222222;
    --scrollbar-thumb: #cccccc;
    --photo-viewer-bg: rgba(255, 255, 255, 0.95);
    --gradient-overlay: linear-gradient(transparent, rgba(0, 0, 0, 0.5));
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", "Nanum Gothic", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    overflow: hidden;
    transition: background-color 0.2s ease, color 0.2s ease;
}

/* ... (Keep minimal changes to Desktop layout for now, focus on variables applying correctly) ... */
/* Desktop Sidebar / Header styles reuse the variables defined above */

/* ==========================================
   Layout
   ========================================== */

.app {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

/* ... (Existing Desktop styles remain broadly valid due to variable usage) ... */

/* Mobile PWA Layout */
@media (max-width: 640px) {

    /* Hide Desktop Elements */
    .header,
    .drive-sidebar,
    .download-sidebar,
    .section-header,
    /* We will create custom mobile headers if needed or reuse logic */
    .drive-header,
    .download-header,
    .nav,
    .header .search-box,
    .user-btn,
    #new-menu,
    #user-menu,
    #download-add-menu {
        display: none !important;
    }

    /* Core Layout */
    html,
    body {
        height: 100%;
        width: 100%;
        overflow: hidden;
        background-color: var(--bg-primary) !important;
        color: var(--text-primary) !important;
    }

    body {
        padding-top: env(safe-area-inset-top);
        padding-bottom: 0;
    }

    .app {
        display: flex !important;
        flex-direction: column;
        height: 100vh;
        height: 100dvh;
        background: var(--bg-primary);
        position: relative;
    }

    /* Keep simple for PWA */

    .main-body {
        display: flex;
        flex-direction: column;
        flex: 1;
        /* Padding top accommodates Header + Chip Nav (if present) */
        padding-top: var(--mobile-header-height);
        padding-bottom: calc(var(--mobile-tab-height) + env(safe-area-inset-bottom));
        overflow: hidden;
        background: var(--bg-primary);
    }

    /* Hide toast notifications on mobile */
    .toast-container {
        display: none !important;
    }

    /* Sections */
    .section {
        display: none !important;
        flex: 1;
        flex-direction: column;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        background: var(--bg-primary);
    }

    .section.active {
        display: flex !important;
    }

    .section-content,
    .drive-content,
    .download-content {
        flex: 1;
        padding: 0;
        overflow-y: auto;
        display: flex;
        flex-direction: column;
    }

    /* --- Mobile Header --- */
    .mobile-header {
        display: flex !important;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        height: var(--mobile-header-height);
        padding-top: env(safe-area-inset-top);
        align-items: center;
        justify-content: space-between;
        padding: env(safe-area-inset-top) 12px 0 12px;
        background: var(--bg-primary);
        border-bottom: 1px solid var(--border-color);
        z-index: 100;
        transition: background-color 0.2s ease, border-color 0.2s ease;
        gap: 12px;
    }

    .mobile-header.hidden {
        justify-content: center !important;
        height: 50px !important;
    }

    .mobile-header.hidden .mobile-search-container,
    .mobile-header.hidden .mobile-profile {
        display: none !important;
    }

    .mobile-header.hidden::after {
        content: 'More';
        font-size: 18px;
        font-weight: 600;
        color: var(--text-primary);
    }

    .mobile-header.hidden-shared {
        display: none !important;
    }

    /* Simple backdrop hack if needed: can just use opacities if we defined RGB components. 
       For "X.com style", solid or high-blur is fine. */

    /* Mobile Search Container */
    .mobile-search-container {
        flex: 1;
        position: relative;
        display: flex;
        align-items: center;
        background: var(--bg-tertiary);
        border-radius: 20px;
        padding: 8px 16px;
        gap: 8px;
    }

    .search-icon {
        color: var(--text-secondary);
        flex-shrink: 0;
    }

    .mobile-search-input {
        flex: 1;
        background: transparent;
        border: none;
        outline: none;
        color: var(--text-primary);
        font-size: 16px;
        font-family: inherit;
    }

    .mobile-search-input::placeholder {
        color: var(--text-secondary);
    }

    /* Mobile Profile */
    .mobile-profile-btn {
        width: 36px;
        height: 36px;
        border-radius: 50%;
        background: var(--bg-tertiary);
        border: none;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all var(--transition-fast);
    }

    .mobile-profile-btn:hover,
    .mobile-profile-btn:active {
        background: var(--bg-hover);
    }

    .profile-avatar-text {
        font-size: 14px;
        font-weight: 500;
        color: var(--text-primary);
        text-transform: uppercase;
    }

    /* Mobile Folder Header */
    .mobile-folder-header {
        display: none !important;
    }

    .mobile-folder-nav {
        flex: 1;
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .mobile-back-btn {
        width: 36px;
        height: 36px;
        border-radius: 50%;
        background: var(--bg-tertiary);
        border: none;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--text-primary);
        transition: all var(--transition-fast);
    }

    .mobile-back-btn:hover,
    .mobile-back-btn:active {
        background: var(--bg-hover);
    }

    .mobile-folder-title {
        font-size: 18px;
        font-weight: 600;
        color: var(--text-primary);
        flex: 1;
        min-width: 0;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    /* --- Drive Navigation Chips (New) --- */
    .mobile-drive-chips {
        display: flex !important;
        overflow-x: auto;
        padding: 8px 12px;
        gap: 8px;
        background: var(--bg-primary);
        border-bottom: 1px solid var(--border-color);
        -webkit-overflow-scrolling: touch;
        flex-shrink: 0;
        scrollbar-width: none;
        /* Hide scrollbar */
    }

    .mobile-drive-chips::-webkit-scrollbar {
        display: none;
    }

    .drive-chip {
        padding: 6px 14px;
        border-radius: 20px;
        border: 1px solid var(--border-color);
        background: var(--bg-secondary);
        color: var(--text-secondary);
        font-size: 13px;
        font-weight: 500;
        white-space: nowrap;
        cursor: pointer;
        transition: all 0.2s ease;
    }

    .drive-chip.active {
        background: var(--text-primary);
        /* Invert colors for active state */
        color: var(--bg-primary);
        border-color: var(--text-primary);
        font-weight: 600;
    }

    /* --- Mobile Controls Container --- */
    .mobile-controls-container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 8px 16px;
        background: var(--bg-primary);
    }

    .mobile-controls-left {
        display: flex;
        align-items: center;
        gap: 4px;
        min-width: 0;
    }

    /* Hide drive header border on mobile */
    .drive-header {
        border-bottom: none;
    }

    .mobile-sort-btn {
        display: flex;
        align-items: center;
        gap: 8px;
        background: transparent;
        border: none;
        color: var(--text-primary);
        font-size: 14px;
        font-weight: 500;
        cursor: pointer;
        padding: 8px 12px;
        border-radius: 20px;
        transition: background-color 0.2s ease;
    }

    .mobile-drive-back-btn {
        width: 34px;
        height: 34px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: transparent;
        border: none;
        color: var(--text-primary);
        border-radius: 50%;
        cursor: pointer;
        transition: background-color 0.2s ease;
        flex-shrink: 0;
    }

    .mobile-drive-back-btn:active,
    .mobile-drive-back-btn:hover {
        background: var(--bg-hover);
    }

    .mobile-drive-back-btn[hidden] {
        display: none !important;
    }

    .mobile-sort-btn:active {
        background: var(--bg-hover);
    }

    .sort-direction {
        margin-left: 4px;
        color: var(--text-secondary);
        font-size: 14px;
        line-height: 1;
        display: inline-block;
        vertical-align: text-top;
        position: relative;
        top: 0px;
        border: none !important;
        border-top: none !important;
    }

    /* Rotation handled above */

    /* Legacy support for existing active class */
    .mobile-sort-btn.active .sort-direction {
        transform: rotate(180deg);
        opacity: 1;
    }

    /* --- Mobile Sort Popup --- */
    .mobile-sort-popup {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.4);
        z-index: 1000;
        display: none;
        align-items: flex-end;
        justify-content: center;
        padding: 16px;
        padding-bottom: calc(env(safe-area-inset-bottom) + 16px);
    }

    .mobile-sort-popup.active {
        display: flex !important;
    }

    .sort-popup-content {
        background: var(--bg-primary);
        border-radius: 20px;
        max-width: 400px;
        width: 100%;
        max-height: 80vh;
        overflow-y: auto;
        animation: slideUpScale 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    }

    .sort-popup-header {
        padding: 20px 20px 12px;
        border-bottom: 1px solid var(--border-color);
    }

    .sort-popup-header h3 {
        margin: 0;
        font-size: 18px;
        font-weight: 600;
        color: var(--text-primary);
    }

    .sort-options,
    .sort-direction-section {
        padding: 8px 0;
    }

    .sort-direction-section {
        border-top: 1px solid var(--border-color);
    }

    .sort-option {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        padding: 16px 20px;
        background: transparent;
        border: none;
        color: var(--text-primary);
        font-size: 16px;
        text-align: left;
        cursor: pointer;
        transition: background-color 0.2s ease;
    }

    .sort-option:active {
        background: var(--bg-hover);
    }

    .sort-option .check-icon {
        color: var(--accent-color);
        opacity: 0;
        transition: opacity 0.2s ease;
    }

    .sort-option.active .check-icon {
        opacity: 1;
    }

    /* --- File Grid & List --- */
    .file-container {
        padding: 2px;
    }

    .file-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        padding-bottom: 20px;
    }

    .file-item {
        background: var(--bg-tertiary);
        /* Card-like background */
        border: 1px solid var(--border-color);
        /* Subtle border */
        border-radius: 12px;
        padding: 16px;
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        position: relative;
    }

    .file-item:active {
        background: var(--bg-hover);
        transform: scale(0.98);
        transition: transform 0.1s;
    }

    .file-icon {
        width: 48px;
        height: 48px;
        background: transparent;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 12px;
    }

    .file-icon svg {
        width: 32px;
        height: 32px;
        color: var(--text-primary);
    }

    .file-icon .file-emoji {
        font-size: 28px;
        line-height: 1;
    }

    .file-icon.folder svg {
        fill: var(--text-primary);
        /* Solid folder icon */
    }

    .file-icon.icon-image,
    .file-icon.icon-video,
    .file-icon.icon-document,
    .file-icon.icon-spreadsheet,
    .file-icon.icon-presentation,
    .file-icon.icon-code,
    .file-icon.icon-audio,
    .file-icon.icon-archive,
    .file-icon.icon-default {
        background: var(--bg-tertiary);
        border-radius: 12px;
    }

    .file-name {
        font-size: 13px;
        color: var(--text-primary);
        font-weight: 500;
        line-height: 1.3;
        width: 100%;
        display: -webkit-box;
        line-clamp: 2;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .file-meta {
        font-size: 11px;
        color: var(--text-secondary);
        margin-top: 4px;
    }

    .file-star {
        display: block;
        /* Show star if wanted, or keep hidden for minimalism */
        position: absolute;
        top: 8px;
        right: 8px;
        opacity: 0;
    }

    .file-item.starred .file-star {
        opacity: 1;
    }

    .file-star svg {
        width: 14px;
        height: 14px;
        fill: var(--warning);
        color: var(--warning);
    }

    /* List View Overrides */
    .file-list .file-item {
        flex-direction: row;
        align-items: center;
        text-align: left;
        background: transparent;
        border: none;
        border-bottom: 1px solid var(--border-color);
        border-radius: 0;
        padding: 12px 0;
    }

    .file-list .file-icon {
        width: 40px;
        height: 40px;
        margin: 0 12px 0 0;
        background: var(--bg-tertiary);
        border-radius: 8px;
    }

    .file-list .file-name {
        font-size: 14px;
        margin-bottom: 2px;
    }

    /* Mobile file layout - horizontal */
    .mobile-file-left {
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: 12px;
        flex: 1;
    }

    /* --- Photos Section --- */
    .photo-grid {
        display: grid !important;
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 2px !important;
        background: var(--bg-primary);
        padding: 0 !important;
        flex-wrap: unset !important;
    }

    .photo-item {
        aspect-ratio: 1 !important;
        height: auto !important;
        flex-grow: 0 !important;
        background: var(--bg-tertiary);
        border-radius: 0;
        border: none;
        position: relative;
    }

    .photo-item img {
        width: 100% !important;
        height: 100% !important;
        min-width: unset !important;
        object-fit: cover;
    }

    /* --- Download Section --- */
    .download-list {
        display: flex;
        flex-direction: column;
    }

    .download-item {
        display: flex;
        align-items: center;
        padding: 12px;
        border-bottom: 1px solid var(--border-color);
        background: var(--bg-primary);
    }

    .download-icon {
        width: 40px;
        height: 40px;
        background: var(--bg-tertiary);
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-right: 12px;
        color: var(--text-primary);
    }

    .download-info {
        flex: 1;
        min-width: 0;
    }

    .download-filename {
        font-size: 14px;
        font-weight: 500;
        color: var(--text-primary);
        margin-bottom: 2px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .download-status {
        font-size: 11px;
        padding: 4px 8px;
        border-radius: 12px;
        background: var(--bg-tertiary);
        color: var(--text-secondary);
        border: none;
    }

    /* --- Tab Bar --- */
    .mobile-tab-bar {
        display: flex !important;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: calc(var(--mobile-tab-height) + env(safe-area-inset-bottom));
        padding-bottom: env(safe-area-inset-bottom);
        background: var(--bg-primary);
        border-top: 1px solid var(--border-color);
        z-index: 1000;
        /* Simple backdrop filter for some translucency if supported */
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
    }

    .tab-item {
        flex: 1;
        height: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        background: none;
        border: none;
        color: var(--text-secondary);
        /* Inactive color */
        cursor: pointer;
        padding-top: 4px;
    }

    .tab-item svg {
        width: 24px;
        height: 24px;
        margin-bottom: 4px;
        stroke-width: 2;
    }

    .tab-item span {
        font-size: 10px;
        font-weight: 500;
    }

    .tab-item.active {
        color: var(--text-primary);
        /* Active Color (White/Black) */
    }

    .tab-item.active svg {
        stroke-width: 2.5;
        fill: var(--text-primary);
        /* Fill icon for X.com style bold active state */
        stroke: var(--text-primary);
    }

    /* SVG paths usually are stroke-based, so fill might cover everything. 
       Let's stick to stroke or ensure icons are designed for fill. 
       For standard Lucide/Feather icons, filling usually works if paths are closed, 
       but stroke-width increase is safer for "bold" look. 
    */
    .tab-item.active svg {
        fill: none;
        /* Revert fill attempt */
        stroke: var(--text-primary);
        stroke-width: 3;
    }

    /* --- FAB --- */
    .fab {
        display: flex !important;
        position: fixed;
        right: 16px;
        bottom: calc(var(--mobile-tab-height) + env(safe-area-inset-bottom) + 16px);
        width: 56px;
        height: 56px;
        border-radius: 28px;
        background: var(--accent-color);
        /* Monochrome accent */
        color: var(--bg-primary);
        /* Invert text color on FAB */
        border: none;
        align-items: center;
        justify-content: center;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
        z-index: 1001;
    }

    .fab svg {
        width: 28px;
        height: 28px;
        stroke-width: 2.5;
    }

    /* --- Tab FAB Button Animation --- */
    .tab-fab {
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        position: relative;
        overflow: hidden;
        width: 48px;
        height: 48px;
        border-radius: 24px;
        background: var(--accent-color);
        color: var(--bg-primary);
        border: none;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
        margin: 0 4px;
        flex-shrink: 0;
    }

    .tab-fab.active {
        background: var(--accent-color);
        transform: rotate(45deg);
        opacity: 0.8;
    }

    .tab-fab.active svg {
        color: var(--bg-primary);
    }

    .tab-fab svg {
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .tab-fab:active {
        transform: scale(0.95);
    }

    .tab-fab.active:active {
        transform: rotate(45deg) scale(0.95);
    }

    .tab-fab svg {
        width: 24px;
        height: 24px;
        stroke-width: 2.5;
    }

    /* Hide tab bar and header on auth screens */
    body.auth-mode .mobile-tab-bar,
    body.auth-mode .mobile-header {
        display: none !important;
    }

    /* --- Auth & Modals --- */
    .auth-screen {
        background: var(--bg-primary) !important;
    }

    .auth-box {
        background: transparent;
        border: none;
    }

    .auth-box input,
    .modal-input {
        background: var(--bg-tertiary);
        border: 1px solid var(--border-color);
        color: var(--text-primary);
    }

    .modal-content {
        background: var(--bg-secondary);
        border: 1px solid var(--border-color);
        color: var(--text-primary);
    }

    .dropdown-menu {
        background: var(--bg-secondary);
        border: 1px solid var(--border-color);
    }

    .dropdown-item {
        color: var(--text-primary);
    }

    .dropdown-item:active {
        background: var(--bg-hover);
    }

    /* 탭 하이라이트 제거 */
    * {
        -webkit-tap-highlight-color: transparent;
        -webkit-touch-callout: none;
    }

    /* 오버레이 스크롤바 - 스크롤 시에만 표시, 공간 차지 안함 */
    * {
        scrollbar-width: thin;
        scrollbar-color: rgba(128, 128, 128, 0.4) transparent;
    }

    *::-webkit-scrollbar {
        width: 4px;
        height: 4px;
        background: transparent;
    }

    *::-webkit-scrollbar-track {
        background: transparent;
    }

    *::-webkit-scrollbar-thumb {
        background: rgba(128, 128, 128, 0.4);
        border-radius: 4px;
    }

    *::-webkit-scrollbar-thumb:hover {
        background: rgba(128, 128, 128, 0.6);
    }

    /* 스크롤바가 콘텐츠 위에 오버레이 되도록 */
    body,
    .section,
    .photos-content,
    .drive-content,
    .file-list {
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
}

/* Hide mobile elements on desktop */
@media (min-width: 641px) {

    .mobile-header,
    .mobile-tab-bar,
    .mobile-drive-chips,
    .mobile-action-sheet,
    .mobile-context-menu,
    .mobile-controls-container {
        display: none !important;
    }
}

/* ==========================================
   Header
   ========================================== */

.header {
    height: var(--header-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    flex-shrink: 0;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 24px;
}

.header-right {
    display: flex;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: -0.5px;
    cursor: pointer;
}

.logo-icon {
    color: var(--text-primary);
}

.logo-inner {
    fill: var(--bg-primary);
}

.nav {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: 16px;
}

.nav-item {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
    position: relative;
}

.nav-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.nav-item svg {
    opacity: 0.7;
}

.nav-item.active svg,
.nav-item:hover svg {
    opacity: 1;
}

/* Search Box */
.search-box {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    width: 320px;
    transition: all var(--transition-fast);
}

.search-box:focus-within {
    background: var(--bg-primary);
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.search-box svg {
    color: var(--text-secondary);
    flex-shrink: 0;
}

.search-box input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 13px;
    font-family: inherit;
    outline: none;
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.theme-toggle {
    position: relative;
    width: 102px;
    height: 38px;
    margin-left: 12px;
    padding: 0 12px;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-secondary);
    box-shadow:
        inset 0 0 0 1px rgba(255, 255, 255, 0.02),
        0 1px 2px rgba(0, 0, 0, 0.08);
    color: #7e8697;
    cursor: pointer;
    transition: background var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal), color var(--transition-normal);
}

.theme-toggle:hover {
    box-shadow:
        inset 0 0 0 1px rgba(255, 255, 255, 0.02),
        0 3px 8px rgba(0, 0, 0, 0.12);
}

.theme-toggle-copy {
    display: flex;
    flex-direction: column;
    gap: 0;
    align-items: flex-start;
    font-size: 9px;
    line-height: 1;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: transform var(--transition-normal), color var(--transition-normal), opacity var(--transition-normal);
}

.theme-toggle-title,
.theme-toggle-subtitle {
    display: block;
}

.theme-toggle-knob {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, #ffffff 0%, #eef1f6 100%);
    color: #c7cdd8;
    box-shadow:
        0 2px 6px rgba(84, 94, 116, 0.32),
        inset 0 1px 1px rgba(255, 255, 255, 0.95);
    transition: transform var(--transition-normal), background var(--transition-normal), color var(--transition-normal), box-shadow var(--transition-normal);
}

.theme-icon {
    position: absolute;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.theme-icon-light {
    opacity: 0;
    transform: scale(0.85);
}

.theme-icon-dark {
    opacity: 1;
    transform: scale(1);
}

[data-resolved-theme="light"] .theme-toggle {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    color: #8d94a4;
}

[data-resolved-theme="light"] .theme-toggle-copy {
    margin-left: 36px;
    color: #8d94a4;
}

[data-resolved-theme="light"] .theme-toggle-knob {
    transform: translateX(0);
    background: linear-gradient(180deg, #ffffff 0%, #eef2f7 100%);
    color: #d5d9e1;
}

[data-resolved-theme="light"] .theme-icon-light {
    opacity: 1;
    transform: scale(1);
}

[data-resolved-theme="light"] .theme-icon-dark {
    opacity: 0;
    transform: scale(0.85);
}

[data-resolved-theme="dark"] .theme-toggle {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    color: #7f879d;
    box-shadow:
        inset 0 0 0 1px rgba(255, 255, 255, 0.02),
        0 1px 2px rgba(0, 0, 0, 0.2);
}

[data-resolved-theme="dark"] .theme-toggle-copy {
    margin-left: 10px;
    color: #7f879d;
}

[data-resolved-theme="dark"] .theme-toggle-knob {
    transform: translateX(66px);
    background: linear-gradient(180deg, #8991a7 0%, #727a91 100%);
    color: #f2f5fb;
    box-shadow:
        0 2px 8px rgba(0, 0, 0, 0.36),
        inset 0 1px 1px rgba(255, 255, 255, 0.22);
}

[data-resolved-theme="dark"] .theme-icon-light {
    opacity: 0;
    transform: scale(0.85);
}

[data-resolved-theme="dark"] .theme-icon-dark {
    opacity: 1;
    transform: scale(1);
}

/* ==========================================
   Main Body
   ========================================== */

.main-body {
    flex: 1;
    display: flex;
    overflow: hidden;
}

.section {
    display: none;
    flex: 1;
    min-width: 0;
}

.section.active {
    display: flex;
}

.section-content {
    flex: 1;
    overflow-y: auto;
    padding: 24px 32px;
}

/* ==========================================
   Drive Sidebar
   ========================================== */

.drive-sidebar {
    width: clamp(156px, 22vw, var(--sidebar-width));
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 12px;
    overflow-y: auto;
    flex: 0 1 clamp(156px, 22vw, var(--sidebar-width));
    min-width: 156px;
    max-width: var(--sidebar-width);
}

.new-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-bottom: 16px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.new-btn:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    background: var(--bg-tertiary);
}

.drive-nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.nav-divider {
    height: 12px;
}

.drive-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: 24px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: all var(--transition-fast);
    min-width: 0;
}

.new-btn span,
.drive-nav-item span,
.storage-header span,
.storage-text {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.drive-nav-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.drive-nav-item.active {
    background: var(--accent-color);
    color: var(--bg-primary);
}

.drive-nav-item svg {
    flex-shrink: 0;
    opacity: 0.8;
}

.drive-nav-item.active svg {
    opacity: 1;
}

/* Storage Section */
.storage-section {
    margin-top: auto;
    padding: 16px 14px;
    border-top: 1px solid var(--border-color);
}

.storage-header {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.storage-header svg {
    opacity: 0.7;
}

.storage-bar-container {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.storage-bar {
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
}

.storage-fill {
    height: 100%;
    background: var(--accent-color);
    border-radius: 2px;
    transition: width var(--transition-normal);
}

.storage-text {
    font-size: 12px;
    color: var(--text-muted);
}

/* ==========================================
   Drive Content
   ========================================== */

.drive-content {
    flex: 1 1 0%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 0;
}

.drive-header {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 16px;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    min-width: 0;
    overflow: visible;
    position: relative;
    z-index: 6;
}

.drive-title {
    display: flex;
    align-items: center;
    gap: 16px;
    flex: 1 1 auto;
    min-width: 0;
    overflow: hidden;
}

.drive-back-btn {
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
    flex-shrink: 0;
}

.drive-back-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.drive-back-btn[hidden] {
    display: none !important;
}

.drive-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: auto;
    flex-shrink: 0;
    min-width: max-content;
}

.drive-empty-trash-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 34px;
    padding: 0 14px;
    border: 1px solid color-mix(in srgb, var(--danger-color, #dc2626) 40%, transparent);
    border-radius: 999px;
    background: color-mix(in srgb, var(--danger-color, #dc2626) 10%, transparent);
    color: var(--danger-color, #dc2626);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

.drive-empty-trash-btn:hover {
    background: color-mix(in srgb, var(--danger-color, #dc2626) 18%, transparent);
    border-color: color-mix(in srgb, var(--danger-color, #dc2626) 60%, transparent);
}

.drive-empty-trash-btn[hidden] {
    display: none;
}

.sort-dropdown {
    position: relative;
    flex-shrink: 0;
    z-index: 12;
}

.sort-dropdown-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 40px;
    padding: 0 12px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.sort-dropdown-btn:hover {
    background: var(--bg-hover);
}

.desktop-sort-label {
    white-space: nowrap;
}

.desktop-sort-indicator {
    color: var(--text-secondary);
    min-width: 10px;
    text-align: center;
}

.sort-dropdown-menu {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 180px;
    padding: 8px 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity 0.16s ease, transform 0.16s ease, visibility 0.16s ease;
    z-index: 30;
    pointer-events: none;
}

.sort-dropdown.open .sort-dropdown-menu,
.sort-dropdown:focus-within .sort-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.sort-dropdown.open .sort-dropdown-btn {
    background: var(--bg-hover);
    border-color: var(--accent-color);
}

.sort-dropdown-item {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 10px 14px;
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-size: 13px;
    font-family: inherit;
    cursor: pointer;
    text-align: left;
}

.sort-dropdown-item:hover {
    background: var(--bg-hover);
}

.sort-dropdown-divider {
    height: 1px;
    margin: 6px 0;
    background: var(--border-color);
}

.sort-dropdown-check {
    opacity: 0;
    color: var(--accent-color);
}

.sort-dropdown-item.active .sort-dropdown-check {
    opacity: 1;
}

.drive-title h2 {
    font-size: 18px;
    font-weight: 500;
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1 1 auto;
    font-size: 13px;
    min-width: 0;
    overflow: hidden;
    white-space: nowrap;
}

.breadcrumb-item {
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.breadcrumb-item:last-of-type {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
}

.breadcrumb-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.breadcrumb-separator {
    color: var(--text-muted);
    flex-shrink: 0;
}

/* View Toggle */
.view-toggle {
    display: flex;
    gap: 4px;
    padding: 4px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    flex-shrink: 0;
}

.view-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 6px;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.view-btn:hover {
    color: var(--text-primary);
}

.view-btn.active {
    background: var(--bg-primary);
    color: var(--text-primary);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.view-btn[data-view="list"] svg {
    transform: translateX(-2px);
}

/* File Container */
.file-container {
    flex: 1;
    overflow-y: auto;
    padding: 4px 8px;
    position: relative;
    transition: all 0.2s ease;
}

/* Drag and Drop Styles */
.file-container.drag-over {
    background: var(--bg-tertiary);
    border: 2px dashed var(--accent-color);
    border-radius: 12px;
    opacity: 0.8;
}

.drag-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(255, 255, 255, 0.9);
    color: var(--text-primary);
    padding: 32px 48px;
    border-radius: 12px;
    text-align: center;
    font-size: 18px;
    font-weight: 600;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 2px dashed var(--accent-color);
    pointer-events: none;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

@media (prefers-color-scheme: dark) {
    .drag-overlay {
        background: rgba(22, 24, 28, 0.95);
        color: var(--text-primary);
    }
}

/* ==========================================
   File Grid
   ========================================== */

.file-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
}

.file-grid .file-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 0;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    overflow: hidden;
}

.file-item:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-light);
}

.file-item.selected {
    background: rgba(139, 92, 246, 0.1);
    border-color: var(--accent-color);
}

.file-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: 10px;
}

.file-icon svg {
    width: 28px;
    height: 28px;
    color: var(--text-primary);
}

.file-icon.drive-file-icon,
.bottom-sheet-file-icon.drive-file-icon {
    background: transparent;
}

.file-icon.drive-file-icon svg {
    width: 32px;
    height: 32px;
    color: initial;
}

.file-icon .file-emoji {
    font-size: 28px;
    line-height: 1;
}

.file-icon.folder svg {
    color: var(--text-primary);
    fill: var(--text-primary);
}

.file-icon.icon-image {
    background: rgba(168, 85, 247, 0.12);
}

.file-icon.icon-video {
    background: rgba(239, 68, 68, 0.12);
}

.file-icon.icon-document {
    background: rgba(59, 130, 246, 0.12);
}

.file-icon.icon-spreadsheet {
    background: rgba(34, 197, 94, 0.14);
}

.file-icon.icon-presentation {
    background: rgba(249, 115, 22, 0.14);
}

.file-icon.icon-code {
    background: rgba(99, 102, 241, 0.14);
}

.file-icon.icon-audio {
    background: rgba(236, 72, 153, 0.12);
}

.file-icon.icon-archive {
    background: rgba(234, 179, 8, 0.12);
}

.file-name {
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 2px;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-meta {
    font-size: 11px;
    color: var(--text-muted);
}

.file-card-body {
    padding: 12px 14px 14px;
    text-align: left;
}

.file-preview {
    position: relative;
    width: 100%;
    aspect-ratio: 1.25 / 1;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.04), rgba(15, 23, 42, 0.1));
    overflow: hidden;
}

.file-preview-generic {
    display: flex;
    align-items: center;
    justify-content: center;
}

.file-preview-generic .file-icon {
    width: 56px;
    height: 56px;
    margin-bottom: 0;
}

.file-preview-image,
.file-preview-video,
.file-preview-frame {
    width: 100%;
    height: 100%;
    border: 0;
    display: block;
    object-fit: cover;
    background: var(--bg-tertiary);
}

.file-preview-video {
    pointer-events: none;
}

.file-preview-frame {
    pointer-events: none;
}

.file-preview-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    width: 26px;
    height: 26px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.16);
    z-index: 2;
}

.file-preview-badge svg {
    width: 16px;
    height: 16px;
}

.file-preview-play {
    position: absolute;
    right: 10px;
    bottom: 10px;
    width: 34px;
    height: 34px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.72);
    color: #ffffff;
    z-index: 2;
    backdrop-filter: blur(6px);
}

.file-preview-play svg {
    width: 16px;
    height: 16px;
    margin-left: 2px;
}

.file-preview-doc {
    display: flex;
    align-items: center;
    justify-content: center;
}

.file-preview-doc-paper {
    position: relative;
    width: min(112px, 56%);
    height: min(142px, 78%);
    border-radius: 14px;
    background: #ffffff;
    box-shadow: 0 20px 44px rgba(15, 23, 42, 0.12);
    overflow: hidden;
}

.file-preview-doc-corner {
    position: absolute;
    top: 0;
    right: 0;
    width: 28px;
    height: 28px;
    background: rgba(15, 23, 42, 0.08);
    clip-path: polygon(100% 0, 0 0, 100% 100%);
}

.file-preview-doc-ext {
    padding: 18px 16px 10px;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.file-preview-doc-lines {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 0 16px;
}

.file-preview-doc-lines span {
    display: block;
    height: 8px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.1);
}

.file-preview-doc-lines span:nth-child(1) {
    width: 72%;
}

.file-preview-doc-lines span:nth-child(2) {
    width: 84%;
}

.file-preview-doc-lines span:nth-child(3) {
    width: 58%;
}

.file-preview-doc.document {
    background: linear-gradient(180deg, rgba(66, 133, 244, 0.12), rgba(66, 133, 244, 0.04));
}

.file-preview-doc.document .file-preview-doc-ext {
    color: #4285F4;
}

.file-preview-doc.spreadsheet {
    background: linear-gradient(180deg, rgba(52, 168, 83, 0.12), rgba(52, 168, 83, 0.04));
}

.file-preview-doc.spreadsheet .file-preview-doc-ext {
    color: #34A853;
}

.file-preview-doc.presentation {
    background: linear-gradient(180deg, rgba(251, 188, 5, 0.16), rgba(251, 188, 5, 0.05));
}

.file-preview-doc.presentation .file-preview-doc-ext {
    color: #F9AB00;
}

.file-preview-doc.code {
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.12), rgba(99, 102, 241, 0.04));
}

.file-preview-doc.code .file-preview-doc-ext {
    color: #6366F1;
}

.file-star {
    position: absolute;
    top: 10px;
    right: 10px;
    opacity: 0;
    transition: opacity var(--transition-fast);
    z-index: 3;
    padding: 6px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.88);
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.12);
}

.file-item:hover .file-star,
.file-item.starred .file-star {
    opacity: 1;
}

.file-star svg {
    width: 16px;
    height: 16px;
    color: var(--text-muted);
}

.file-item.starred .file-star svg {
    color: var(--warning);
    fill: var(--warning);
}

.file-list .file-star {
    padding: 0;
    background: transparent;
    box-shadow: none;
}

/* File List View */
.file-list {
    display: flex;
    flex-direction: column;
}

.file-list .file-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 10px 16px;
    border-radius: 0;
    border-left: none;
    border-right: none;
    border-top: none;
}

.file-list .file-item:first-child {
    border-radius: 8px 8px 0 0;
}

.file-list .file-item:last-child {
    border-radius: 0 0 8px 8px;
}

.file-list .file-icon {
    margin-bottom: 0;
    width: 36px;
    height: 36px;
}

.file-list .file-info {
    flex: 1;
    min-width: 0;
}

.file-list .file-date {
    font-size: 12px;
    color: var(--text-muted);
    width: 120px;
    text-align: right;
}

.file-list .file-size {
    font-size: 12px;
    color: var(--text-muted);
    width: 80px;
    text-align: right;
}

/* Mobile File List Layout - TEMPORARILY DISABLED */

.file-options-btn {
    padding: 8px !important;
    background: transparent !important;
    border: none !important;
    color: var(--text-secondary) !important;
    border-radius: 50% !important;
    width: 32px !important;
    height: 32px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    cursor: pointer !important;
    transition: all var(--transition-fast) !important;
}

.file-options-btn:hover {
    background: var(--bg-hover) !important;
}

.file-options-btn svg {
    width: 16px !important;
    height: 16px !important;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state svg {
    width: 80px;
    height: 80px;
    margin-bottom: 16px;
    opacity: 0.2;
}

.empty-state h3 {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.empty-state p {
    font-size: 13px;
}

/* ==========================================
   Dropdown Menu
   ========================================== */

.dropdown-menu {
    position: fixed;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 8px 0;
    min-width: 180px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    z-index: 100;
    display: none;
}

.dropdown-menu.active {
    display: block;
    animation: dropdownFadeIn 0.15s ease;
}

@keyframes dropdownFadeIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    width: 100%;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 13px;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--bg-hover);
}

.dropdown-item svg {
    color: var(--text-secondary);
}

.dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: 6px 0;
}

/* ==========================================
   Context Menu
   ========================================== */

.context-menu {
    position: fixed;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 6px 0;
    min-width: 180px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    z-index: 200;
    display: none;
}

.context-menu.active {
    display: block;
    animation: dropdownFadeIn 0.1s ease;
}

.context-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    width: 100%;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 13px;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.context-item:hover {
    background: var(--bg-hover);
}

.context-item svg {
    color: var(--text-secondary);
}

.context-item.danger {
    color: var(--error);
}

.context-item.danger svg {
    color: var(--error);
}

.context-divider {
    height: 1px;
    background: var(--border-color);
    margin: 4px 0;
}

/* ==========================================
   Buttons
   ========================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: inherit;
}

.btn-primary {
    background: var(--accent-color);
    color: var(--bg-primary);
}

.btn-primary:hover {
    background: var(--accent-hover);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-hover);
    border-color: var(--border-light);
}

.actions {
    display: flex;
    gap: 12px;
}

/* ==========================================
   Section Header
   ========================================== */

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.section-header h2 {
    font-size: 20px;
    font-weight: 600;
}

/* ==========================================
   Photos Section Layout (Sidebar + Content)
   ========================================== */

#photos-section {
    height: 100%;
    position: relative;
}

#photos-section.active {
    display: flex;
}

/* Photos Sidebar */
.photos-sidebar {
    width: clamp(156px, 22vw, var(--sidebar-width));
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 12px;
    overflow-y: auto;
    flex: 0 1 clamp(156px, 22vw, var(--sidebar-width));
    min-width: 156px;
    max-width: var(--sidebar-width);
}

.photos-nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.photos-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: 24px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.photos-nav-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.photos-nav-item.active {
    background: var(--accent-color);
    color: var(--bg-primary);
}

.photos-nav-item svg {
    flex-shrink: 0;
    opacity: 0.8;
}

.photos-nav-item.active svg {
    opacity: 1;
}

/* Sub-item styling for albums */
.photos-nav-item.sub-item {
    padding-left: 32px;
    font-size: 12px;
}

/* Nav group for collapsible albums section */
.photos-nav-group {
    display: flex;
    flex-direction: column;
}

.photos-nav-group-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: 24px;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.photos-nav-group-header:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.photos-nav-group-header .expand-icon {
    margin-left: auto;
    transition: transform var(--transition-fast);
}

.photos-nav-group-header.expanded .expand-icon {
    transform: rotate(180deg);
}

.photos-nav-group-items {
    display: none;
    flex-direction: column;
    gap: 2px;
    padding-left: 8px;
}

.photos-nav-group-items.expanded {
    display: flex;
}

/* Album item with thumbnail */
.photos-nav-item.album-item {
    gap: 10px;
}

.album-preview-box {
    width: 30px;
    height: 30px;
    flex-shrink: 0;
    border-radius: 8px;
    overflow: hidden;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    display: grid;
}

.album-preview-box.single,
.album-preview-box.empty {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr;
}

.album-preview-box.empty {
    place-items: center;
    color: var(--text-muted);
}

.album-preview-tile {
    position: relative;
    background: var(--bg-tertiary);
}

.album-preview-tile img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

.album-count {
    margin-left: auto;
    font-size: 11px;
    color: var(--text-muted);
}

/* Photos Content Area */
.photos-content {
    flex: 1;
    padding: 24px 96px 24px 24px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.photos-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    flex-shrink: 0;
}

.photos-header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.photos-title h2 {
    font-size: 20px;
    font-weight: 600;
}

.photos-select-btn,
.photos-selection-action,
.photos-selection-cancel {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 38px;
    padding: 0 14px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.photos-select-btn:hover,
.photos-selection-action:hover,
.photos-selection-cancel:hover {
    background: var(--bg-hover);
    border-color: var(--text-secondary);
}

.photos-select-btn.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--bg-primary);
}

.photos-select-btn[hidden] {
    display: none !important;
}

.photos-selection-toolbar {
    margin-bottom: 18px;
    padding: 12px 14px;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.photos-selection-toolbar[hidden] {
    display: none !important;
}

.photos-album-composer {
    margin-bottom: 18px;
    padding: 16px;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.photos-album-composer[hidden] {
    display: none !important;
}

.photos-album-composer-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
}

.photos-album-composer-subtitle {
    margin-top: 4px;
    font-size: 12px;
    color: var(--text-secondary);
}

.photos-album-composer-form {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    justify-content: flex-end;
    flex-wrap: wrap;
}

.photos-album-composer-input {
    min-width: min(320px, 100%);
    height: 42px;
    padding: 0 14px;
    border: 1px solid var(--border-color);
    border-radius: 14px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
}

.photos-album-composer-input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.12);
}

.photos-album-composer-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.photos-selection-summary {
    display: flex;
    align-items: center;
    gap: 12px;
}

.photos-selection-cancel {
    width: 38px;
    min-width: 38px;
    padding: 0;
}

.photos-selection-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
}

.photos-selection-subtitle {
    margin-top: 2px;
    font-size: 12px;
    color: var(--text-secondary);
}

.photos-selection-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.photos-selection-action.primary {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--bg-primary);
}

.photos-selection-action.primary:hover {
    filter: brightness(0.98);
}

.photos-selection-action:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.album-share-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.album-share-btn:hover {
    background: var(--bg-hover);
    border-color: var(--text-secondary);
}

.album-share-btn svg {
    flex-shrink: 0;
}

.album-delete-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--danger-color, #e5484d);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.album-delete-btn:hover {
    background: var(--danger-color, #e5484d);
    border-color: var(--danger-color, #e5484d);
    color: #fff;
}

.album-delete-btn svg {
    flex-shrink: 0;
}

.photos-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.photos-upload-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

/* Video indicator on photo items */
.photo-item.video::before {
    content: '';
    position: absolute;
    top: 8px;
    right: 8px;
    width: 28px;
    height: 28px;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 50%;
    z-index: 2;
}

.photo-item.video::after {
    content: '';
    position: absolute;
    top: 15px;
    right: 14px;
    width: 0;
    height: 0;
    border-left: 10px solid white;
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
    z-index: 3;
}

/* Star indicator on photo items */
.photo-item .photo-star {
    position: absolute;
    top: 8px;
    left: 8px;
    width: 28px;
    height: 28px;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-fast);
    cursor: pointer;
    z-index: 4;
}

.photo-item:hover .photo-star,
.photo-item.starred .photo-star {
    opacity: 1;
}

.photos-content.selection-mode .photo-item {
    cursor: pointer;
}

.photos-content.selection-mode .photo-item .photo-star {
    display: none;
}

.photos-content.selection-mode .photo-item:hover {
    filter: none;
}

.photos-content.selection-mode .photo-item img {
    transition: filter var(--transition-fast);
}

.photos-content.selection-mode .photo-item.selected {
    outline: 2px solid var(--accent-color);
    outline-offset: -2px;
}

.photos-content.selection-mode .photo-item.selected img {
    filter: brightness(0.72);
}

.photos-content.selection-mode .photo-item.selected:hover img {
    filter: brightness(0.68);
}

.photo-selection-check {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 28px;
    height: 28px;
    border-radius: 999px;
    border: 2px solid rgba(255, 255, 255, 0.88);
    background: rgba(0, 0, 0, 0.38);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.92);
    transition: opacity var(--transition-fast), transform var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
    z-index: 5;
}

.photos-content.selection-mode .photo-selection-check {
    opacity: 1;
    transform: scale(1);
}

.photo-item.selected .photo-selection-check {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--bg-primary);
}

.photo-item.selected .photo-selection-check svg {
    opacity: 1;
}

.photo-selection-check svg {
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.photo-item.starred .photo-star svg {
    fill: #ffd700;
    stroke: #ffd700;
}

/* ==========================================
   Photo Grid
   ========================================== */

.photo-grid {
    display: block;
}

.photo-date-group {
    margin-bottom: 24px;
}

.photo-date-heading {
    position: sticky;
    top: 0;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    margin-bottom: 12px;
    padding: 6px 10px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--bg-secondary) 88%, transparent);
    backdrop-filter: blur(8px);
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.photo-date-group-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.photo-date-group-grid::after {
    content: '';
    flex-grow: 999;
}

/* 마지막 행이 비정상적으로 늘어나지 않도록 */
.photo-grid::after {
    content: none;
}

.photo-item {
    height: 200px;
    flex-grow: 1;
    overflow: hidden;
    cursor: pointer;
    position: relative;
    background: var(--bg-secondary);
    transition: all var(--transition-fast);
}

.photo-item:hover {
    filter: brightness(0.9);
}

.photo-item img {
    height: 100%;
    min-width: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.photo-item:hover img {
    transform: scale(1.03);
}

.photo-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 10px;
    background: var(--gradient-overlay);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.photo-item:hover .photo-overlay {
    opacity: 1;
}

.photo-name {
    font-size: 11px;
    font-weight: 500;
    color: #ffffff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.photos-date-rail {
    position: absolute;
    top: 88px;
    right: 6px;
    bottom: 24px;
    width: 56px;
    display: none;
    z-index: 5;
    pointer-events: none;
}

.photos-date-rail.active {
    display: block;
}

.photos-date-rail-track {
    position: relative;
    width: 100%;
    height: 100%;
    pointer-events: auto;
    cursor: pointer;
}

/* Year tick labels, absolutely positioned along the rail by scroll fraction. */
.photos-date-rail-label {
    position: absolute;
    right: 18px;
    transform: translateY(-50%);
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    opacity: 0;
    white-space: nowrap;
    cursor: pointer;
    transition: opacity 0.18s ease, color 0.18s ease;
    user-select: none;
}

.photos-date-rail-label.active {
    color: var(--text-primary);
}

.photos-date-rail.hovering .photos-date-rail-label,
.photos-date-rail.dragging .photos-date-rail-label,
.photos-date-rail.scrolling .photos-date-rail-label {
    opacity: 0.85;
}

.photos-date-rail.hovering .photos-date-rail-label.active,
.photos-date-rail.dragging .photos-date-rail-label.active,
.photos-date-rail.scrolling .photos-date-rail-label.active {
    opacity: 1;
}

/* Draggable thumb that tracks the scroll offset. */
.photos-date-rail-thumb {
    position: absolute;
    right: 4px;
    width: 8px;
    height: 28px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--text-secondary) 55%, transparent);
    opacity: 0;
    transition: opacity 0.18s ease, background-color 0.15s ease, width 0.15s ease;
    pointer-events: none;
}

.photos-date-rail.hovering .photos-date-rail-thumb,
.photos-date-rail.dragging .photos-date-rail-thumb,
.photos-date-rail.scrolling .photos-date-rail-thumb {
    opacity: 1;
}

.photos-date-rail.hovering .photos-date-rail-thumb,
.photos-date-rail.dragging .photos-date-rail-thumb {
    background: var(--accent-color);
    width: 10px;
}

/* Floating month/year bubble shown while scrubbing or scrolling. */
.photos-date-rail-bubble {
    position: absolute;
    right: 22px;
    transform: translateY(-50%);
    padding: 7px 14px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--bg-secondary) 94%, transparent);
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.18);
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    backdrop-filter: blur(10px);
    transition: opacity 0.18s ease, visibility 0.18s ease;
    pointer-events: none;
}

.photos-date-rail.dragging .photos-date-rail-bubble,
.photos-date-rail.hovering .photos-date-rail-bubble,
.photos-date-rail.scrolling .photos-date-rail-bubble {
    opacity: 1;
    visibility: visible;
}

/* Download Keyframe Animations */
@keyframes downloadPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

@keyframes progressStripe {
    0% { background-position: 0 0; }
    100% { background-position: 24px 0; }
}

@keyframes progressGlow {
    0%, 100% { box-shadow: 0 0 4px rgba(59,130,246,0.3); }
    50% { box-shadow: 0 0 10px rgba(59,130,246,0.5); }
}

@keyframes checkPop {
    0% { transform: scale(0); opacity: 0; }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); opacity: 1; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes floatBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* ==========================================
   Download Section
   ========================================== */

.download-layout {
    display: flex;
    height: 100%;
    flex: 1;
    min-width: 0;
}

/* --- Download Sidebar --- */
.download-sidebar {
    width: clamp(156px, 22vw, var(--sidebar-width));
    background: var(--bg-secondary);
    padding: 12px;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 20px;
    flex: 0 1 clamp(156px, 22vw, var(--sidebar-width));
    min-width: 156px;
    max-width: var(--sidebar-width);
    overflow-y: auto;
}

.download-nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.download-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: all var(--transition-fast);
    position: relative;
}

.download-nav-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.download-nav-item.active {
    background: var(--accent-color);
    color: var(--bg-primary);
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.download-nav-count {
    margin-left: auto;
    font-size: 11px;
    font-weight: 600;
    min-width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 0 6px;
}

.download-nav-item.active .download-nav-count {
    background: rgba(255,255,255,0.2);
    color: var(--bg-primary);
}

/* --- Download Stats Sidebar Card --- */
.download-stats {
    margin-top: auto;
    padding: 14px;
    background: var(--bg-tertiary);
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
}

.stat-label {
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.stat-label svg {
    width: 14px;
    height: 14px;
    opacity: 0.6;
}

.stat-value {
    color: var(--text-primary);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.stat-value.speed-value {
    color: var(--blue);
}

/* --- Download Content Area --- */
.download-content {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.download-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.download-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.download-actions {
    display: flex;
    gap: 4px;
}

.download-actions .btn {
    padding: 8px;
}

.download-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}

/* --- Download Item Card --- */
.download-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 14px 18px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: var(--download-card-shadow);
    transition: all var(--transition-normal);
    animation: fadeInUp 0.3s ease both;
    animation-delay: calc(var(--item-index, 0) * 0.04s);
    max-width: 700px;
    width: 100%;
    align-self: center;
}

.download-item:hover {
    transform: translateY(-1px);
    box-shadow: var(--download-card-shadow-hover);
}

.download-item.is-downloading {
    background: var(--download-active-gradient);
    border-color: var(--download-active-border);
}

/* --- File Type Icons --- */
.download-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

.download-item:hover .download-icon {
    transform: scale(1.05);
}

.download-icon svg {
    width: 20px;
    height: 20px;
}

.download-icon.icon-video {
    background: rgba(239, 68, 68, 0.12);
    color: #ef4444;
}

.download-icon.icon-image {
    background: rgba(168, 85, 247, 0.12);
    color: #a855f7;
}

.download-icon.icon-archive {
    background: rgba(234, 179, 8, 0.12);
    color: #eab308;
}

.download-icon.icon-document {
    background: rgba(59, 130, 246, 0.12);
    color: #3b82f6;
}

.download-icon.icon-spreadsheet {
    background: rgba(34, 197, 94, 0.14);
    color: #22c55e;
}

.download-icon.icon-presentation {
    background: rgba(249, 115, 22, 0.14);
    color: #f97316;
}

.download-icon.icon-code {
    background: rgba(99, 102, 241, 0.14);
    color: #6366f1;
}

.download-icon.icon-audio {
    background: rgba(236, 72, 153, 0.12);
    color: #ec4899;
}

.download-icon.icon-default {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

/* --- Download Info --- */
.download-info {
    flex: 1;
    min-width: 0;
}

.download-filename {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-primary);
}

.download-url {
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.download-item:hover .download-url {
    opacity: 1;
}

/* --- Progress Bar --- */
.download-progress-wrapper {
    margin-top: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.download-progress-bar {
    flex: 1;
    height: var(--progress-height);
    background: var(--bg-tertiary);
    border-radius: calc(var(--progress-height) / 2);
    overflow: hidden;
}

.download-progress-fill {
    height: 100%;
    background: var(--blue);
    border-radius: calc(var(--progress-height) / 2);
    transition: width var(--transition-fast);
    position: relative;
}

.download-progress-fill.active {
    background-image: linear-gradient(
        -45deg,
        rgba(255,255,255,0.15) 25%,
        transparent 25%,
        transparent 50%,
        rgba(255,255,255,0.15) 50%,
        rgba(255,255,255,0.15) 75%,
        transparent 75%
    );
    background-size: 24px 24px;
    animation: progressStripe 0.6s linear infinite, progressGlow 2s ease-in-out infinite;
}

.download-progress-percent {
    font-size: 12px;
    font-weight: 600;
    color: var(--blue);
    font-variant-numeric: tabular-nums;
    min-width: 36px;
    text-align: right;
}

.download-meta {
    display: flex;
    gap: 16px;
    margin-top: 4px;
    font-size: 11px;
    color: var(--text-muted);
}

/* --- Status Badge --- */
.download-status {
    font-size: 11px;
    padding: 4px 10px;
    border-radius: 16px;
    font-weight: 500;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 5px;
    text-transform: capitalize;
}

.download-status svg {
    width: 12px;
    height: 12px;
}

.download-status.pending {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.download-status.downloading {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
    animation: downloadPulse 2s ease-in-out infinite;
}

.download-status.completed {
    background: rgba(34, 197, 94, 0.15);
    color: var(--success);
}

.download-status.completed svg {
    animation: checkPop 0.4s ease both;
}

.download-status.paused {
    background: rgba(251, 191, 36, 0.15);
    color: #fbbf24;
}

.download-status.error,
.download-status.failed {
    background: rgba(239, 68, 68, 0.15);
    color: var(--error);
}

/* --- Action Buttons --- */
.download-item-actions {
    display: flex;
    gap: 8px;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.download-item:hover .download-item-actions {
    opacity: 1;
}

.download-item-actions button {
    padding: 6px;
    border-radius: 6px;
    transition: all var(--transition-fast);
}

.download-item-actions button:hover {
    transform: scale(1.05);
    background: var(--bg-hover);
}

/* --- Empty State --- */
.download-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
    background: radial-gradient(circle at 50% 50%, var(--bg-tertiary) 1px, transparent 1px);
    background-size: 24px 24px;
    border-radius: 12px;
    flex: 1;
    min-height: 300px;
}


.download-empty-state h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.download-empty-state p {
    font-size: 13px;
    color: var(--text-muted);
}

/* Mobile: always show action buttons */
@media (max-width: 640px) {
    .download-item-actions {
        opacity: 1;
    }
}

/* ==========================================
   Modal
   ========================================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--overlay-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 1200;
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    width: 90%;
    max-width: 400px;
    transform: scale(0.95);
    transition: transform var(--transition-normal);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 20px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 15px;
    font-weight: 600;
}

.modal-close {
    width: 30px;
    height: 30px;
    background: var(--bg-tertiary);
    border: none;
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 18px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.modal-body {
    padding: 20px;
}

.modal-input {
    width: 100%;
    padding: 12px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    margin-bottom: 16px;
}

.modal-input:focus {
    outline: none;
    border-color: var(--accent-color);
}

.modal-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 8px;
}

.modal-cancel-btn,
.modal-confirm-btn {
    padding: 9px 18px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    line-height: 1.2;
    transition: background var(--transition-fast), border-color var(--transition-fast);
}

.modal-cancel-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.modal-cancel-btn:hover {
    background: var(--bg-hover);
    border-color: var(--text-secondary);
}

.modal-confirm-btn {
    background: var(--accent-color);
    border: 1px solid var(--accent-color);
    color: var(--bg-primary);
}

.modal-confirm-btn:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

.modal-form-group {
    margin-bottom: 16px;
}

.modal-label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

.modal-select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    cursor: pointer;
}

.modal-select:focus {
    outline: none;
    border-color: var(--accent-color);
}

.modal-success-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--success);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: #fff;
}

.modal-url-field {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    box-sizing: border-box;
    user-select: all;
    word-break: break-all;
}

.modal-url-field:focus {
    outline: none;
    border-color: var(--accent-color);
}

.modal-share-toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.modal-share-toggle-label {
    margin-bottom: 0;
}

.modal-share-toggle {
    position: relative;
    width: 54px;
    height: 32px;
    flex-shrink: 0;
    cursor: pointer;
}

.modal-share-toggle input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.modal-share-toggle-slider {
    position: absolute;
    inset: 0;
    border-radius: 999px;
    background: var(--border-color);
    transition: background var(--transition-fast);
}

.modal-share-toggle-slider::before {
    content: "";
    position: absolute;
    top: 3px;
    left: 3px;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--toggle-thumb);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
    transition: transform var(--transition-fast);
}

.modal-share-toggle input:checked + .modal-share-toggle-slider {
    background: var(--blue);
}

.modal-share-toggle input:checked + .modal-share-toggle-slider::before {
    transform: translateX(22px);
}

.modal-share-password {
    margin-bottom: 0;
}

.modal-share-password .modal-input {
    margin-bottom: 0;
}

/* ==========================================
   Photo Viewer
   ========================================== */

.photo-viewer {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #000;
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 1100;
}

.photo-viewer.active {
    opacity: 1;
    visibility: visible;
}

/* 상단 헤더 */
.photo-viewer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.78), rgba(0, 0, 0, 0.26));
    backdrop-filter: blur(14px);
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 12;
    transition: opacity 0.32s ease, transform 0.32s ease;
}

.viewer-back-button {
    width: 42px;
    height: 42px;
    padding: 0;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 999px;
    color: #fff;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast), border-color var(--transition-fast), opacity var(--transition-fast), transform var(--transition-fast);
}

.viewer-back-button:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.24);
}

.viewer-back-button:active {
    transform: translateY(1px);
}

.photo-viewer-back {
    flex-shrink: 0;
}

.photo-viewer-info {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    width: min(70vw, 360px);
    text-align: center;
    pointer-events: none;
    z-index: 1;
    transition: opacity 0.32s ease, transform 0.32s ease;
}

.photo-viewer-date {
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    text-shadow: 0 1px 16px rgba(0, 0, 0, 0.55);
}

.photo-viewer-time {
    color: rgba(255, 255, 255, 0.7);
    font-size: 12px;
    text-shadow: 0 1px 16px rgba(0, 0, 0, 0.45);
}

.photo-viewer-actions {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: flex-end;
    max-width: min(70vw, 420px);
    position: relative;
    z-index: 2;
}

.viewer-header-action {
    width: 40px;
    height: 40px;
    padding: 0;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 999px;
    color: #fff;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.viewer-header-action:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.24);
}

.viewer-header-action span {
    display: none;
}

.viewer-header-action.starred {
    background: rgba(255, 214, 10, 0.22);
    border-color: rgba(255, 214, 10, 0.34);
    color: #ffd84a;
}

.viewer-header-action.starred svg {
    fill: currentColor;
}

.viewer-header-action:active {
    transform: translateY(1px);
}

/* 이미지 컨테이너 */
.photo-viewer-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    touch-action: none;
    cursor: zoom-in;
    padding: 40px;
}

.photo-viewer-container.is-video {
    cursor: default;
}

.photo-viewer-container.is-zoomed {
    cursor: grab;
}

.photo-viewer-container.is-dragging {
    cursor: grabbing;
}

.photo-viewer-media-stage {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.photo-viewer-container img,
.photo-viewer-media-stage canvas {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.1s ease;
    user-select: none;
    -webkit-user-drag: none;
    transform-origin: center center;
    will-change: transform;
}

.photo-viewer-media-stage canvas {
    border-radius: 10px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

.photo-viewer.editing #photo-viewer-img {
    display: none;
}

.photo-viewer.editing .photo-viewer-container {
    cursor: default;
}

.photo-viewer.editing .photo-viewer-container.is-zoomed,
.photo-viewer.editing .photo-viewer-container.is-dragging {
    cursor: default;
}

.photo-viewer-container video {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    background: #000;
    outline: none;
}

.photo-editor-crop-overlay {
    position: absolute;
    pointer-events: auto;
}

.photo-editor-crop-box {
    position: absolute;
    border: 2px solid rgba(255, 255, 255, 0.96);
    border-radius: 18px;
    box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.42);
    cursor: move;
    backdrop-filter: blur(0.4px);
}

.photo-editor-crop-handle {
    position: absolute;
    width: 14px;
    height: 14px;
    border: none;
    border-radius: 999px;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.28);
    cursor: pointer;
}

.photo-editor-crop-handle.nw {
    top: -7px;
    left: -7px;
    cursor: nwse-resize;
}

.photo-editor-crop-handle.ne {
    top: -7px;
    right: -7px;
    cursor: nesw-resize;
}

.photo-editor-crop-handle.sw {
    bottom: -7px;
    left: -7px;
    cursor: nesw-resize;
}

.photo-editor-crop-handle.se {
    right: -7px;
    bottom: -7px;
    cursor: nwse-resize;
}

.photo-editor-panel {
    position: absolute;
    top: 82px;
    right: 20px;
    bottom: 24px;
    width: min(340px, calc(100vw - 40px));
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    border-radius: 24px;
    background: rgba(12, 14, 18, 0.88);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 28px 60px rgba(0, 0, 0, 0.34);
    backdrop-filter: blur(20px);
    z-index: 14;
    opacity: 0;
    pointer-events: none;
    transform: translateX(18px);
    transition: opacity 0.24s ease, transform 0.24s ease;
    display: none;
}

.photo-viewer.editing .photo-editor-panel {
    display: flex;
    opacity: 1;
    pointer-events: auto;
    transform: translateX(0);
}

.photo-editor-panel-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.photo-editor-panel-eyebrow {
    color: rgba(255, 255, 255, 0.54);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.photo-editor-panel-title {
    color: #fff;
    font-size: 19px;
    font-weight: 700;
    margin-top: 4px;
}

.photo-editor-close {
    width: 34px;
    height: 34px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.photo-editor-tabs {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
}

.photo-editor-tab {
    height: 38px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
    color: rgba(255, 255, 255, 0.72);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.photo-editor-tab.active {
    background: rgba(255, 255, 255, 0.96);
    border-color: rgba(255, 255, 255, 0.96);
    color: #111827;
}

.photo-editor-tab-panels {
    flex: 1;
    min-height: 0;
}

.photo-editor-tab-panel {
    height: 100%;
    padding: 16px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.photo-editor-section-title {
    color: #fff;
    font-size: 15px;
    font-weight: 700;
}

.photo-editor-section-copy {
    margin: 10px 0 0;
    color: rgba(255, 255, 255, 0.62);
    font-size: 13px;
    line-height: 1.5;
}

.photo-editor-stat {
    margin-top: 14px;
    padding: 10px 12px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.05);
    color: rgba(255, 255, 255, 0.82);
    font-size: 13px;
    font-weight: 600;
}

.photo-editor-range-label {
    margin-top: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    color: rgba(255, 255, 255, 0.82);
    font-size: 13px;
    font-weight: 600;
}

.photo-editor-range {
    margin-top: 14px;
    width: 100%;
    accent-color: #fff;
}

.photo-editor-tone-options {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin-top: 16px;
}

.photo-editor-tone-option {
    min-height: 72px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.05);
    color: rgba(255, 255, 255, 0.82);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: transform var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
}

.photo-editor-tone-option.active {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.26);
    transform: translateY(-1px);
}

.photo-editor-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.photo-editor-action {
    min-height: 42px;
    padding: 0 14px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
}

.photo-editor-action.primary {
    background: #ffffff;
    border-color: #ffffff;
    color: #111827;
}

.photo-editor-action.ghost {
    background: transparent;
}

.photo-editor-action:disabled,
.photo-editor-close:disabled,
.photo-editor-tab:disabled,
.photo-editor-tone-option:disabled {
    opacity: 0.5;
    cursor: wait;
}

.photo-viewer-minimap {
    position: absolute;
    top: 50%;
    right: 24px;
    transform: translateY(-50%);
    width: 168px;
    padding: 10px;
    border-radius: 16px;
    background: rgba(0, 0, 0, 0.64);
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(10px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease, transform 0.18s ease;
    z-index: 13;
}

.photo-viewer-minimap.active {
    opacity: 1;
    transform: translateY(-50%) scale(1);
}

.photo-viewer-minimap-frame {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.04);
}

.photo-viewer-minimap-frame img {
    display: block;
    width: 100%;
    height: auto;
    max-height: 220px;
    object-fit: contain;
}

.photo-viewer-minimap-focus {
    position: absolute;
    top: 0;
    left: 0;
    border: 2px solid rgba(255, 255, 255, 0.96);
    background: rgba(255, 255, 255, 0.12);
    box-shadow: 0 0 0 999px rgba(0, 0, 0, 0.18);
    border-radius: 6px;
    pointer-events: none;
}

/* UI 숨김 상태 */
.photo-viewer.ui-hidden .photo-viewer-header,
.photo-viewer.ui-hidden .photo-viewer-info,
.photo-viewer.ui-hidden .photo-editor-panel,
.photo-viewer.ui-hidden .photo-viewer-nav {
    opacity: 0;
    pointer-events: none;
}

.photo-viewer.ui-hidden .photo-viewer-header {
    transform: translateY(-100%);
}

.photo-viewer.ui-hidden .photo-viewer-info {
    transform: translate(-50%, calc(-50% - 16px));
}

.photo-viewer.ui-hidden .photo-editor-panel {
    transform: translateX(12px);
}

.photo-viewer.editing .photo-viewer-nav,
.photo-viewer.editing .photo-viewer-minimap {
    opacity: 0 !important;
    pointer-events: none !important;
}

/* Video mode: compact side nav pills sit mid-screen, clear of native controls. */
.photo-viewer.video-mode .photo-viewer-nav {
    z-index: 20;
}

.photo-viewer.video-mode .photo-viewer-nav-btn .photo-viewer-nav-pill {
    opacity: 0.92;
    transform: scale(1);
}

/* Never hide side nav while a video is playing — needed for photo/video switching. */
.photo-viewer.video-mode.ui-hidden .photo-viewer-nav {
    opacity: 1;
    pointer-events: auto;
}

.photo-viewer.video-mode .photo-viewer-container video {
    max-width: 100%;
    max-height: 100%;
}

/* 데스크톱용 네비게이션 */
.photo-viewer-nav {
    position: absolute;
    inset: 0;
    z-index: 15;
    transition: opacity 0.32s ease;
    pointer-events: none;
}

.photo-viewer-nav-btn {
    position: absolute;
    top: 50%;
    width: 46px;
    height: 46px;
    padding: 0;
    background: transparent;
    border: none;
    color: #fff;
    cursor: pointer;
    pointer-events: auto;
    transform: translateY(-50%);
}

.photo-viewer-nav-btn.prev {
    left: clamp(28px, 4vw, 48px);
}

.photo-viewer-nav-btn.next {
    right: clamp(28px, 4vw, 48px);
}

.photo-viewer-nav-pill {
    width: 100%;
    height: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.34);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(12px);
    opacity: 0;
    transform: scale(0.92);
    transition: background var(--transition-fast), border-color var(--transition-fast), transform 0.22s ease, opacity 0.22s ease;
}

.photo-viewer:not(.ui-hidden) .photo-viewer-nav-btn:hover .photo-viewer-nav-pill,
.photo-viewer:not(.ui-hidden) .photo-viewer-nav-btn:focus-visible .photo-viewer-nav-pill {
    opacity: 1;
    transform: scale(1);
}

.photo-viewer-nav-btn:hover .photo-viewer-nav-pill {
    background: rgba(0, 0, 0, 0.48);
    border-color: rgba(255, 255, 255, 0.3);
}

.photo-viewer-nav-btn:active .photo-viewer-nav-pill {
    transform: scale(0.96);
}

/* 모바일에서 하단 툴바 위에 네비게이션 유지 */
@media (max-width: 640px) {
    .photo-viewer-header,
    .photo-viewer-actions {
        display: flex;
    }

    .photo-viewer-header {
        padding: 12px;
    }

    .photo-viewer-actions {
        gap: 6px;
        max-width: min(72vw, 320px);
    }

    .viewer-header-action,
    .viewer-back-button {
        width: 38px;
        height: 38px;
    }

    .photo-viewer-minimap {
        display: none;
    }

    .photo-editor-panel {
        top: auto;
        left: 12px;
        right: 12px;
        bottom: calc(12px + env(safe-area-inset-bottom));
        width: auto;
        max-height: min(48vh, 420px);
        border-radius: 22px;
    }

    .photo-editor-tab-panel {
        overflow: auto;
    }

    .photo-viewer.editing .photo-viewer-container {
        padding-bottom: min(52vh, 440px);
        padding-right: 12px;
        padding-left: 12px;
    }

    .photo-viewer-nav {
        display: block;
    }

    .photo-viewer-nav-btn {
        width: 42px;
        height: 42px;
    }

    .photo-viewer-nav-pill {
        width: 100%;
        height: 100%;
    }

    .photos-date-rail {
        display: none !important;
    }
}

/* 데스크톱에서도 헤더/툴바/네비게이션 모두 표시 */
@media (min-width: 641px) {
    .photo-viewer-nav {
        display: block;
    }

    .photo-viewer-minimap {
        display: block;
    }

    .photo-viewer-container {
        padding: 40px;
    }

    .photo-viewer-container img {
        border-radius: 8px;
    }

    .photo-viewer.editing .photo-viewer-container {
        padding-right: clamp(360px, 36vw, 420px);
    }
}

/* ==========================================
   PDF Viewer
   ========================================== */

.pdf-viewer {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 1100;
}

.pdf-viewer.active {
    opacity: 1;
    visibility: visible;
}

.pdf-viewer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 16px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
    gap: 12px;
}

.pdf-viewer-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
    margin-right: 12px;
}

.pdf-viewer-back {
    color: var(--text-primary);
    flex-shrink: 0;
}

.pdf-viewer-back:hover {
    opacity: 0.75;
}

.pdf-viewer-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.pdf-download-btn {
    width: 36px;
    height: 36px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.pdf-download-btn:hover {
    background: var(--accent-color);
    color: var(--bg-primary);
    border-color: var(--accent-color);
}

.pdf-viewer-container {
    flex: 1;
    overflow: hidden;
    position: relative;
    background: var(--bg-secondary);
    display: flex;
    flex-direction: column;
}

/* PDF Toolbar */
.pdf-toolbar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.toolbar-group {
    display: flex;
    align-items: center;
    gap: 4px;
}

.toolbar-divider {
    width: 1px;
    height: 24px;
    background: var(--border-color);
    margin: 0 8px;
}

.toolbar-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.15s ease;
}

.toolbar-btn:hover:not(:disabled) {
    background: var(--bg-hover);
}

.toolbar-btn:active:not(:disabled) {
    background: var(--bg-tertiary);
}

.toolbar-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.toolbar-btn.fit-btn {
    margin-left: 4px;
}

.page-info {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--text-primary);
    font-size: 13px;
}

.page-input {
    width: 40px;
    height: 28px;
    padding: 0 6px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 13px;
    text-align: center;
}

.page-input:focus {
    outline: none;
    border-color: var(--text-secondary);
}

.page-separator {
    color: var(--text-secondary);
}

.page-total {
    min-width: 24px;
}

.zoom-level {
    min-width: 48px;
    text-align: center;
    font-size: 13px;
    color: var(--text-primary);
}

/* PDF Canvas Container */
.pdf-canvas-container {
    flex: 1;
    overflow: auto;
    display: flex;
    flex-direction: column;
    align-items: flex-start; /* center → flex-start: 왼쪽 스크롤 가능하도록 */
    padding: 24px;
    gap: 16px;
    background: var(--bg-tertiary);
    touch-action: manipulation; /* 핀치줌은 JS에서, 스크롤은 네이티브로 (가로/세로 모두) */
}

/* PDF Status (Loading/Error) */
.pdf-status {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    color: var(--text-secondary);
    font-size: 14px;
}

.pdf-status.pdf-error {
    color: #dc3545;
}

.pdf-status .spinner {
    width: 32px;
    height: 32px;
    border: 2px solid var(--border-color);
    border-top-color: var(--text-primary);
    border-radius: 50%;
    animation: pdf-spin 0.8s linear infinite;
}

@keyframes pdf-spin {
    to { transform: rotate(360deg); }
}

/* PDF Pages */
.pdf-page {
    position: relative;
    background: #ffffff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.pdf-page canvas {
    display: block;
}

/* Text Layer */
.pdf-page .text-layer {
    position: absolute;
    top: 0;
    left: 0;
    overflow: hidden;
    opacity: 0.3;
    line-height: 1;
}

.pdf-page .text-layer span {
    position: absolute;
    color: transparent;
    white-space: pre;
    cursor: text;
}

.pdf-page .text-layer span::selection {
    background: rgba(0, 100, 255, 0.3);
}

/* PDF Viewer Mobile */
@media (max-width: 640px) {
    .pdf-viewer-header {
        padding: 8px 12px;
        padding-top: calc(8px + env(safe-area-inset-top));
    }

    .pdf-viewer-title {
        font-size: 13px;
    }

    .pdf-toolbar {
        padding: 6px 12px;
        gap: 4px;
    }

    .toolbar-divider {
        margin: 0 4px;
    }

    .toolbar-btn {
        width: 36px;
        height: 36px;
    }

    .page-input {
        width: 36px;
        height: 32px;
    }

    .zoom-level {
        min-width: 40px;
        font-size: 12px;
    }

    .pdf-canvas-container {
        padding: 16px 12px;
        gap: 12px;
    }

    .toolbar-btn.fit-btn {
        display: none;
    }
}

/* ==========================================
   Text Viewer
   ========================================== */

.text-viewer {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 1100;
}

.text-viewer.active {
    opacity: 1;
    visibility: visible;
}

.text-viewer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 16px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.text-viewer-back {
    color: var(--text-primary);
    flex-shrink: 0;
}

.text-viewer-back:hover {
    opacity: 0.75;
}

.text-viewer-title {
    flex: 1;
    min-width: 0;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.text-viewer-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.text-download-btn {
    width: 36px;
    height: 36px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.text-download-btn:hover {
    background: var(--accent-color);
    color: var(--bg-primary);
    border-color: var(--accent-color);
}

.text-viewer-container {
    flex: 1;
    overflow: auto;
    padding: 24px 20px 40px;
    background: var(--bg-primary);
}

.text-viewer.editing #text-share,
.text-viewer.editing #text-download,
.text-viewer.editing #text-edit,
.text-viewer.editing #text-viewer-trash {
    display: none;
}

.text-viewer.editing #text-save-copy,
.text-viewer.editing #text-save-as {
    display: inline-flex;
}

.text-viewer.editing .text-viewer-content {
    display: none;
}

.text-viewer:not(.editing) .text-viewer-editor {
    display: none;
}

.text-viewer.editing .text-viewer-editor {
    display: block;
}

.text-viewer-toolbar {
    display: flex;
    justify-content: center;
    padding: 12px 20px calc(16px + env(safe-area-inset-bottom));
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
    flex-shrink: 0;
}

.text-toolbar-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-width: 88px;
    padding: 8px 16px;
    border: none;
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    border-radius: 12px;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.text-toolbar-btn:hover {
    background: var(--bg-hover);
}

.text-toolbar-btn svg {
    width: 24px;
    height: 24px;
}

.text-toolbar-btn span {
    font-size: 12px;
}

.text-toolbar-btn.danger {
    color: #ef4444;
}

.text-viewer-content {
    margin: 0 auto;
    max-width: 920px;
    min-height: 100%;
    color: var(--text-primary);
}

.text-viewer-content.plain {
    font-family: "D2Coding", "SF Mono", "Noto Sans Mono CJK KR", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 14px;
    line-height: 1.7;
    white-space: pre-wrap;
    word-break: break-word;
}

.text-viewer-content.markdown {
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 15px;
    line-height: 1.75;
    white-space: normal;
}

.text-viewer-content.markdown h1,
.text-viewer-content.markdown h2,
.text-viewer-content.markdown h3,
.text-viewer-content.markdown h4 {
    margin: 0 0 16px;
    line-height: 1.25;
    font-weight: 700;
    color: var(--text-primary);
}

.text-viewer-content.markdown h1 {
    font-size: 2rem;
}

.text-viewer-content.markdown h2 {
    font-size: 1.65rem;
}

.text-viewer-content.markdown h3 {
    font-size: 1.35rem;
}

.text-viewer-content.markdown h4 {
    font-size: 1.1rem;
}

.text-viewer-content.markdown p,
.text-viewer-content.markdown ul,
.text-viewer-content.markdown ol,
.text-viewer-content.markdown blockquote,
.text-viewer-content.markdown pre,
.text-viewer-content.markdown hr {
    margin: 0 0 16px;
}

.text-viewer-content.markdown ul,
.text-viewer-content.markdown ol {
    padding-left: 24px;
}

.text-viewer-content.markdown blockquote {
    padding-left: 16px;
    border-left: 3px solid var(--border-color);
    color: var(--text-secondary);
}

.text-viewer-content.markdown code {
    padding: 2px 6px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.92em;
}

.text-viewer-content.markdown pre {
    padding: 14px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: auto;
}

.text-viewer-content.markdown pre code {
    padding: 0;
    background: transparent;
    border: none;
}

.text-viewer-content.markdown a {
    color: #1d9bf0;
}

.text-viewer-content.markdown hr {
    border: 0;
    border-top: 1px solid var(--border-color);
    opacity: 0.9;
}

.text-viewer-editor {
    display: block;
    width: 100%;
    max-width: 920px;
    min-height: calc(100vh - 220px);
    margin: 0 auto;
    padding: 20px 22px;
    border: 1px solid var(--border-color);
    border-radius: 18px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    resize: vertical;
    outline: none;
    font-family: "D2Coding", "SF Mono", "Noto Sans Mono CJK KR", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 14px;
    line-height: 1.7;
    white-space: pre-wrap;
}

.text-viewer-editor:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}

/* ==========================================
   Archive Viewer
   ========================================== */

.archive-viewer {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 1100;
}

.archive-viewer.active {
    opacity: 1;
    visibility: visible;
}

.archive-viewer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
    background: var(--bg-secondary);
}

.archive-viewer-back {
    color: var(--text-primary);
    flex-shrink: 0;
}

.archive-viewer-title {
    flex: 1;
    min-width: 0;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.archive-viewer-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.archive-viewer-note {
    padding: 12px 20px;
    font-size: 13px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-primary);
}

.archive-viewer-list {
    flex: 1;
    overflow: auto;
    padding: 8px 0 24px;
}

.archive-entry {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 20px 10px calc(20px + (var(--archive-depth, 0) * 18px));
    border-bottom: 1px solid var(--border-color);
    cursor: default;
    user-select: none;
}

.archive-entry-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: var(--bg-tertiary);
    flex-shrink: 0;
}

.archive-entry-icon svg {
    width: 22px;
    height: 22px;
    color: var(--text-primary);
}

.archive-entry-icon .file-emoji {
    font-size: 22px;
    line-height: 1;
}

.archive-entry-info {
    min-width: 0;
    flex: 1;
}

.archive-entry-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.archive-entry-path {
    font-size: 12px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.archive-entry-meta {
    font-size: 12px;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.archive-empty-state {
    text-align: center;
    padding: 56px 20px;
}

.archive-empty-state h3 {
    font-size: 16px;
    margin-bottom: 8px;
}

.archive-empty-state p {
    font-size: 13px;
    color: var(--text-secondary);
}

/* ==========================================
   Scrollbar
   ========================================== */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-light);
}

/* ==========================================
   Loading Spinner
   ========================================== */

.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.spinner {
    width: 28px;
    height: 28px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ==========================================
   Toast Notifications
   ========================================== */

.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 500;
}

.toast {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideIn 0.3s ease;
    min-width: 260px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.toast.success {
    border-color: var(--success);
}

.toast.error {
    border-color: var(--error);
}

.toast.info {
    border-color: var(--accent, var(--border-color));
}

.toast-message {
    flex: 1;
    font-size: 13px;
}

/* ==========================================
   Responsive Classes
   ========================================== */

/* Desktop/Mobile visibility classes */
@media (max-width: 640px) {
    .desktop-only {
        display: none !important;
    }

    .mobile-only {
        display: block !important;
    }

    .mobile-file-left.mobile-only {
        display: flex !important;
        flex-direction: row;
        align-items: center;
        gap: 12px;
    }
}

@media (min-width: 641px) {
    .desktop-only {
        display: block !important;
    }

    .file-icon.desktop-only {
        display: flex !important;
        align-items: center;
        justify-content: center;
    }

    .mobile-only {
        display: none !important;
    }
}

/* ==========================================
   Auth Screens
   ========================================== */

.auth-screen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.auth-box {
    width: 100%;
    max-width: 360px;
    padding: 40px;
}

.auth-logo {
    text-align: center;
    margin-bottom: 32px;
}

.auth-logo .logo-icon {
    margin-bottom: 16px;
}

.auth-logo h1 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
}

.auth-logo p {
    color: var(--text-secondary);
    font-size: 14px;
}

.auth-screen form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.auth-screen input {
    padding: 14px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
}

.auth-screen input:focus {
    outline: none;
    border-color: var(--accent-color);
}

.auth-status-card {
    display: flex;
    flex-direction: column;
    gap: 12px;
    text-align: center;
}

.auth-error {
    color: var(--error);
    font-size: 13px;
    text-align: center;
    margin-top: 12px;
    min-height: 20px;
}

.btn-full {
    width: 100%;
    justify-content: center;
    padding: 14px;
    margin-top: 8px;
}

/* ==========================================
   User Button & Menu
   ========================================== */

.user-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    margin-left: 12px;
    transition: all var(--transition-fast);
}

.user-btn:hover {
    background: var(--bg-hover);
}

#user-avatar {
    text-transform: uppercase;
}

.dropdown-header {
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#user-menu-name {
    font-weight: 500;
    font-size: 14px;
}

.user-role {
    font-size: 11px;
    padding: 2px 8px;
    background: var(--bg-tertiary);
    border-radius: 10px;
    color: var(--text-secondary);
}

/* ==========================================
   공유 문서함 (Shared View)
   ========================================== */

.shared-view {
    display: flex;
    flex-direction: column;
    gap: 32px;
    width: 100%;
    padding-top: 10px;
}

.shared-section-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.shared-section-title svg {
    color: var(--text-secondary);
}

.shared-empty {
    padding: 48px 24px;
    text-align: center;
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px dashed var(--border-color);
}

.shared-empty svg {
    color: var(--text-muted);
    margin-bottom: 12px;
    opacity: 0.5;
}

.shared-empty p {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.shared-empty span {
    font-size: 13px;
    color: var(--text-muted);
}

.share-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.share-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
}

.share-item .file-icon {
    margin-bottom: 0;
    flex-shrink: 0;
}

.share-file {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-width: 0;
}

.share-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: 10px;
    flex-shrink: 0;
    color: var(--text-secondary);
}

.share-details {
    flex: 1;
    min-width: 0;
}

.share-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
}

.share-meta {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.share-meta span + span::before {
    content: "\00b7";
    margin-right: 6px;
    font-weight: 700;
}

.share-views {
    background: var(--bg-tertiary);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 500;
    color: var(--text-secondary);
}

.share-views::before {
    content: none !important;
}

.share-actions {
    display: flex;
    gap: 8px;
}

.copy-link-btn {
    padding: 6px 12px;
    font-size: 12px;
}

/* ==========================================
   Responsive
   ========================================== */

@media (max-width: 960px) and (min-width: 641px) {

    .drive-header {
        padding: 14px 16px;
        gap: 12px;
    }

    .drive-title {
        gap: 12px;
    }

    .sort-dropdown-btn {
        padding: 0 10px;
    }

    .desktop-sort-label {
        max-width: 92px;
        overflow: hidden;
        text-overflow: ellipsis;
    }
}

@media (max-width: 768px) {

    .sort-dropdown {
        display: none;
    }

    .drive-sidebar,
    .download-sidebar {
        width: clamp(144px, 24vw, 180px);
        flex-basis: clamp(144px, 24vw, 180px);
        min-width: 144px;
        max-width: 180px;
    }

    .search-box {
        width: 200px;
    }

    .theme-toggle {
        width: 94px;
        margin-left: 8px;
    }

    .file-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
}

/* Mobile PWA Layout */
/* Duplicate section removed - mobile CSS consolidated above */

/* Hide mobile elements on desktop */
.mobile-header,
.mobile-tab-bar,
.fab,
.mobile-action-sheet,
.mobile-context-menu {
    display: none;
}

/* Mobile Action Sheet & Context Menu */
@media (max-width: 640px) {
    /* Hide photos sidebar on mobile */
    .photos-sidebar {
        display: none !important;
    }

    .photos-content {
        padding: 12px;
    }

    .photos-header {
        display: none;
    }

    .mobile-action-sheet {
        display: none;
        position: fixed;
        bottom: calc(60px + env(safe-area-inset-bottom) + 16px);
        left: 16px;
        right: 16px;
        z-index: 1500;
        max-width: 320px;
        margin: 0 auto;
    }

    .mobile-action-sheet.active {
        display: block;
    }

    /* Bottom Sheet Context Menu */
    .mobile-context-menu {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 2000;
    }

    .mobile-context-menu.active {
        display: flex;
        flex-direction: column;
        justify-content: flex-end;
    }

    .bottom-sheet-overlay {
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.4);
        animation: fadeIn 0.2s ease;
    }

    @keyframes fadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }

    .bottom-sheet-content {
        position: relative;
        background: #f8f9fa;
        border-radius: 16px 16px 0 0;
        max-height: 85vh;
        overflow-y: auto;
        animation: slideUp 0.3s cubic-bezier(0.32, 0.72, 0, 1);
        padding-bottom: env(safe-area-inset-bottom);
    }

    [data-theme="dark"] .bottom-sheet-content {
        background: #1e1e1e;
    }

    @keyframes slideUp {
        from {
            transform: translateY(100%);
        }
        to {
            transform: translateY(0);
        }
    }

    .bottom-sheet-handle {
        width: 32px;
        height: 4px;
        background: #dadce0;
        border-radius: 2px;
        margin: 12px auto;
    }

    [data-theme="dark"] .bottom-sheet-handle {
        background: #5f6368;
    }

    .bottom-sheet-header {
        display: flex;
        align-items: center;
        padding: 8px 24px 16px;
        gap: 16px;
    }

    .bottom-sheet-file-icon {
        width: 40px;
        height: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: #e8eaed;
        border-radius: 8px;
        flex-shrink: 0;
    }

    [data-theme="dark"] .bottom-sheet-file-icon {
        background: #3c4043;
    }

    .bottom-sheet-file-icon svg {
        width: 24px;
        height: 24px;
        color: #5f6368;
    }

    .bottom-sheet-file-icon.drive-file-icon svg {
        width: 28px;
        height: 28px;
        color: initial;
    }

    .bottom-sheet-file-icon .file-emoji {
        font-size: 22px;
        line-height: 1;
    }

    [data-theme="dark"] .bottom-sheet-file-icon svg {
        color: #9aa0a6;
    }

    .bottom-sheet-file-icon.folder svg {
        color: #5f6368;
    }

    .bottom-sheet-file-icon.icon-image {
        background: rgba(168, 85, 247, 0.18);
    }

    .bottom-sheet-file-icon.icon-video {
        background: rgba(239, 68, 68, 0.18);
    }

    .bottom-sheet-file-icon.icon-document {
        background: rgba(59, 130, 246, 0.18);
    }

    .bottom-sheet-file-icon.icon-spreadsheet {
        background: rgba(34, 197, 94, 0.18);
    }

    .bottom-sheet-file-icon.icon-presentation {
        background: rgba(249, 115, 22, 0.18);
    }

    .bottom-sheet-file-icon.icon-code {
        background: rgba(99, 102, 241, 0.18);
    }

    .bottom-sheet-file-icon.icon-audio {
        background: rgba(236, 72, 153, 0.18);
    }

    .bottom-sheet-file-icon.icon-archive {
        background: rgba(234, 179, 8, 0.18);
    }

    .bottom-sheet-filename {
        font-size: 16px;
        font-weight: 500;
        color: #202124;
        flex: 1;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    [data-theme="dark"] .bottom-sheet-filename {
        color: #e8eaed;
    }

    .bottom-sheet-menu {
        padding: 0 0 8px;
    }

    .bottom-sheet-divider {
        height: 1px;
        background: #e0e0e0;
        margin: 8px 0;
    }

    [data-theme="dark"] .bottom-sheet-divider {
        background: #3c4043;
    }

    .bottom-sheet-item {
        display: flex;
        align-items: center;
        width: 100%;
        padding: 14px 24px;
        background: transparent;
        border: none;
        cursor: pointer;
        gap: 16px;
        transition: background-color 0.15s ease;
    }

    .bottom-sheet-item:active {
        background: rgba(0, 0, 0, 0.05);
    }

    [data-theme="dark"] .bottom-sheet-item:active {
        background: rgba(255, 255, 255, 0.1);
    }

    .bottom-sheet-item svg {
        width: 24px;
        height: 24px;
        color: #5f6368;
        flex-shrink: 0;
    }

    [data-theme="dark"] .bottom-sheet-item svg {
        color: #9aa0a6;
    }

    .bottom-sheet-item span {
        font-size: 14px;
        color: #202124;
    }

    [data-theme="dark"] .bottom-sheet-item span {
        color: #e8eaed;
    }

    .bottom-sheet-item.danger svg {
        color: #d93025;
    }

    .bottom-sheet-item.danger span {
        color: #d93025;
    }

    /* Share Settings & Result Bottom Sheets */
    .share-settings-sheet,
    .share-result-sheet {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 2000;
    }

    .share-settings-sheet.active,
    .share-result-sheet.active {
        display: flex !important;
        flex-direction: column;
        justify-content: flex-end;
    }

    .share-settings-header,
    .share-result-header {
        padding: 16px 24px;
        text-align: center;
    }

    .share-settings-header h3,
    .share-result-header h3 {
        margin: 0;
        font-size: 18px;
        font-weight: 600;
        color: #202124;
    }

    [data-theme="dark"] .share-settings-header h3,
    [data-theme="dark"] .share-result-header h3 {
        color: #e8eaed;
    }

    .share-settings-body {
        padding: 0 24px 16px;
    }

    .share-option {
        margin-bottom: 16px;
    }

    .share-option > label:not(.share-toggle) {
        display: block;
        font-size: 14px;
        font-weight: 500;
        color: #5f6368;
        margin-bottom: 8px;
    }

    [data-theme="dark"] .share-option > label:not(.share-toggle) {
        color: #9aa0a6;
    }

    .share-option select {
        width: 100%;
        padding: 14px 16px;
        border-radius: 12px;
        border: 1px solid #dadce0;
        background: #fff;
        color: #202124;
        font-size: 16px;
        appearance: none;
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%235f6368' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
        background-repeat: no-repeat;
        background-position: right 12px center;
    }

    [data-theme="dark"] .share-option select {
        border-color: #3c4043;
        background-color: #292a2d;
        color: #e8eaed;
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%239aa0a6' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    }

    /* Toggle Switch */
    .share-toggle {
        display: flex;
        justify-content: space-between;
        align-items: center;
        cursor: pointer;
        font-size: 16px;
        color: #202124;
    }

    [data-theme="dark"] .share-toggle {
        color: #e8eaed;
    }

    .toggle-switch {
        position: relative;
        width: 52px;
        height: 32px;
    }

    .toggle-switch input {
        opacity: 0;
        width: 0;
        height: 0;
    }

    .toggle-slider {
        position: absolute;
        cursor: pointer;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: #dadce0;
        transition: 0.3s;
        border-radius: 32px;
    }

    [data-theme="dark"] .toggle-slider {
        background-color: #5f6368;
    }

    .toggle-slider:before {
        position: absolute;
        content: "";
        height: 26px;
        width: 26px;
        left: 3px;
        bottom: 3px;
        background-color: white;
        transition: 0.3s;
        border-radius: 50%;
        box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    }

    .toggle-switch input:checked + .toggle-slider {
        background-color: #1a73e8;
    }

    .toggle-switch input:checked + .toggle-slider:before {
        transform: translateX(20px);
    }

    /* Password Input */
    .share-password-input {
        display: none;
        margin-top: 12px;
    }

    .share-password-input.show {
        display: block;
    }

    .share-password-input input {
        width: 100%;
        padding: 14px 16px;
        border-radius: 12px;
        border: 1px solid #dadce0;
        background: #fff;
        color: #202124;
        font-size: 16px;
    }

    [data-theme="dark"] .share-password-input input {
        border-color: #3c4043;
        background-color: #292a2d;
        color: #e8eaed;
    }

    .share-password-input input::placeholder {
        color: #9aa0a6;
    }

    /* Share Actions */
    .share-settings-actions {
        display: flex;
        gap: 12px;
        padding: 16px 24px;
        padding-bottom: calc(16px + env(safe-area-inset-bottom));
        border-top: 1px solid #e0e0e0;
    }

    [data-theme="dark"] .share-settings-actions {
        border-top-color: #3c4043;
    }

    .share-btn-cancel,
    .share-btn-confirm {
        flex: 1;
        padding: 14px;
        border-radius: 12px;
        font-size: 16px;
        font-weight: 600;
        border: none;
        cursor: pointer;
        transition: background-color 0.2s;
    }

    .share-btn-cancel {
        background: #f1f3f4;
        color: #5f6368;
    }

    [data-theme="dark"] .share-btn-cancel {
        background: #3c4043;
        color: #e8eaed;
    }

    .share-btn-confirm {
        background: #1a73e8;
        color: white;
    }

    .share-btn-confirm:active {
        background: #1557b0;
    }

    /* Share Result */
    .share-result-header {
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: 24px 24px 16px;
    }

    .share-result-icon {
        width: 56px;
        height: 56px;
        background: #34c759;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 12px;
    }

    .share-result-icon svg {
        color: white;
    }

    .share-result-body {
        padding: 0 24px 16px;
    }

    .share-link-preview {
        padding: 14px 16px;
        background: #f1f3f4;
        border-radius: 12px;
        font-size: 13px;
        color: #5f6368;
        word-break: break-all;
        text-align: center;
    }

    [data-theme="dark"] .share-link-preview {
        background: #292a2d;
        color: #9aa0a6;
    }

    .share-result-actions {
        display: flex;
        gap: 12px;
        padding: 0 24px 16px;
    }

    .share-action-btn {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 8px;
        padding: 16px;
        background: #f1f3f4;
        border: none;
        border-radius: 12px;
        cursor: pointer;
        transition: background-color 0.2s;
    }

    [data-theme="dark"] .share-action-btn {
        background: #3c4043;
    }

    .share-action-btn:active {
        background: #e0e0e0;
    }

    [data-theme="dark"] .share-action-btn:active {
        background: #5f6368;
    }

    .share-action-btn svg {
        color: #1a73e8;
    }

    .share-action-btn span {
        font-size: 14px;
        font-weight: 500;
        color: #202124;
    }

    [data-theme="dark"] .share-action-btn span {
        color: #e8eaed;
    }

    .share-done-btn {
        width: calc(100% - 48px);
        margin: 0 24px 16px;
        margin-bottom: calc(16px + env(safe-area-inset-bottom));
        padding: 14px;
        background: #1a73e8;
        color: white;
        border: none;
        border-radius: 12px;
        font-size: 16px;
        font-weight: 600;
        cursor: pointer;
    }

    .share-done-btn:active {
        background: #1557b0;
    }

    /* More Section Styles */
    #more-section {
        display: none;
        padding-top: 8px;
        padding-bottom: calc(80px + env(safe-area-inset-bottom));
        background: var(--bg-primary);
    }

    #more-section.active {
        display: block;
    }

    .more-content {
        padding: 8px 16px 16px 16px;
    }

    /* Storage Card */
    .more-storage-card {
        background: #f1f3f4;
        border-radius: 16px;
        padding: 20px;
        margin-bottom: 24px;
    }

    [data-theme="dark"] .more-storage-card {
        background: #161616;
        border: 1px solid #2f2f2f;
    }

    .more-storage-header {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 16px;
        font-size: 15px;
        font-weight: 600;
        color: #202124;
    }

    [data-theme="dark"] .more-storage-header {
        color: #e7e9ea;
    }

    .more-storage-header svg {
        color: #5f6368;
    }

    [data-theme="dark"] .more-storage-header svg {
        color: #9aa0a6;
    }

    .more-storage-bar {
        display: flex;
        height: 6px;
        background: #dadce0;
        border-radius: 3px;
        overflow: hidden;
        margin-bottom: 12px;
    }

    [data-theme="dark"] .more-storage-bar {
        background: #3c4043;
    }

    .more-storage-fill {
        height: 100%;
        transition: width 0.3s ease;
    }

    .more-storage-fill.drive {
        background: #1a73e8;
        border-radius: 3px 0 0 3px;
    }

    .more-storage-fill.photos {
        background: #34a853;
        border-radius: 0 3px 3px 0;
    }

    .more-storage-text {
        font-size: 13px;
        color: #5f6368;
    }

    /* Storage Breakdown */
    .more-storage-breakdown {
        display: flex;
        gap: 20px;
        margin-top: 14px;
    }

    .storage-legend {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        color: #5f6368;
    }

    [data-theme="dark"] .storage-legend {
        color: #9aa0a6;
    }

    .storage-dot {
        width: 10px;
        height: 10px;
        border-radius: 50%;
        flex-shrink: 0;
    }

    .storage-dot.drive {
        background: #1a73e8;
    }

    .storage-dot.photos {
        background: #34a853;
    }

    .storage-size {
        margin-left: auto;
        font-weight: 500;
        color: #202124;
    }

    [data-theme="dark"] .storage-size {
        color: #e7e9ea;
    }

    [data-theme="dark"] .more-storage-text {
        color: #9aa0a6;
    }

    /* Menu Groups */
    .more-menu-group {
        background: #f8f9fa;
        border-radius: 16px;
        margin-bottom: 16px;
        overflow: hidden;
    }

    [data-theme="dark"] .more-menu-group {
        background: #161616;
        border: 1px solid #2f2f2f;
    }

    .more-menu-row {
        display: flex;
        align-items: center;
        width: 100%;
        padding: 16px 20px;
        background: transparent;
        border: none;
        border-bottom: 1px solid #e8eaed;
        cursor: pointer;
        gap: 14px;
        text-align: left;
        transition: background-color 0.15s ease;
    }

    [data-theme="dark"] .more-menu-row {
        border-bottom-color: #2f2f2f;
    }

    .more-menu-row:last-child {
        border-bottom: none;
    }

    .more-menu-row:active {
        background: rgba(0, 0, 0, 0.05);
    }

    [data-theme="dark"] .more-menu-row:active {
        background: rgba(255, 255, 255, 0.05);
    }

    .more-menu-row > svg:first-child {
        color: #5f6368;
        flex-shrink: 0;
    }

    [data-theme="dark"] .more-menu-row > svg:first-child {
        color: #9aa0a6;
    }

    .more-menu-row > span {
        flex: 1;
        font-size: 16px;
        color: #202124;
    }

    [data-theme="dark"] .more-menu-row > span {
        color: #e7e9ea;
    }

    .more-menu-badge {
        background: #1a73e8;
        color: white;
        font-size: 12px;
        font-weight: 600;
        padding: 2px 8px;
        border-radius: 10px;
        display: none;
    }

    .more-menu-badge:not(:empty) {
        display: inline-block;
    }

    .more-menu-chevron {
        color: #9aa0a6;
        flex-shrink: 0;
    }

    [data-theme="dark"] .more-menu-chevron {
        color: #5f6368;
    }

    /* About Section */
    .more-about {
        text-align: center;
        padding: 40px 16px;
        margin-top: 16px;
    }

    .more-about-logo {
        display: inline-block;
        margin-bottom: 12px;
    }

    .more-about-title {
        font-size: 18px;
        font-weight: 600;
        color: #202124;
        margin-bottom: 4px;
    }

    [data-theme="dark"] .more-about-title {
        color: #e7e9ea;
    }

    .more-about-version {
        font-size: 13px;
        color: #9aa0a6;
    }

    /* Shared Section Styles */
    #shared-section {
        display: none;
        margin-top: -50px;
        padding-top: env(safe-area-inset-top);
        padding-bottom: calc(80px + env(safe-area-inset-bottom));
    }

    #shared-section.active {
        display: block;
    }

    .shared-mobile-header {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 12px 16px;
        background: var(--bg-primary);
        border-bottom: 1px solid var(--border-color);
        position: sticky;
        top: 0;
        z-index: 10;
    }

    .shared-back-btn {
        width: 40px;
        height: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: transparent;
        border: none;
        border-radius: 50%;
        cursor: pointer;
        color: var(--text-primary);
    }

    .shared-back-btn:active {
        background: var(--hover-bg);
    }

    .shared-mobile-header h1 {
        font-size: 18px;
        font-weight: 600;
        color: var(--text-primary);
        margin: 0;
    }

    .shared-mobile-content {
        padding: 24px 16px 16px;
    }

    /* Shared Item (Mobile) */
    .shared-item-mobile {
        background: #f8f9fa;
        border-radius: 12px;
        padding: 16px;
        margin-bottom: 12px;
    }

    [data-theme="dark"] .shared-item-mobile {
        background: #161616;
        border: 1px solid #2f2f2f;
    }

    .shared-item-info {
        display: flex;
        align-items: flex-start;
        gap: 12px;
    }

    .shared-item-icon {
        width: 44px;
        height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: #e8f0fe;
        border-radius: 10px;
        flex-shrink: 0;
    }

    [data-theme="dark"] .shared-item-icon {
        background: #1e3a5f;
    }

    .shared-item-icon svg {
        width: 24px;
        height: 24px;
        color: #1a73e8;
    }

    .shared-item-icon.folder svg {
        color: #5f6368;
    }

    [data-theme="dark"] .shared-item-icon svg {
        color: #8ab4f8;
    }

    .shared-item-details {
        flex: 1;
        min-width: 0;
    }

    .shared-item-name {
        font-size: 15px;
        font-weight: 500;
        color: #202124;
        margin-bottom: 4px;
        word-break: break-word;
    }

    [data-theme="dark"] .shared-item-name {
        color: #e7e9ea;
    }

    .shared-item-meta {
        font-size: 12px;
        color: #5f6368;
        line-height: 1.4;
    }

    [data-theme="dark"] .shared-item-meta {
        color: #9aa0a6;
    }

    .shared-item-actions {
        display: flex;
        gap: 8px;
        margin-top: 14px;
    }

    .shared-copy-btn,
    .shared-delete-btn {
        flex: 1;
        padding: 10px 16px;
        border-radius: 8px;
        font-size: 14px;
        font-weight: 500;
        cursor: pointer;
        transition: all 0.15s ease;
    }

    .shared-copy-btn {
        background: #1a73e8;
        color: white;
        border: none;
    }

    .shared-copy-btn:active {
        background: #1557b0;
    }

    .shared-delete-btn {
        background: transparent;
        color: #d93025;
        border: 1px solid #d93025;
    }

    .shared-delete-btn:active {
        background: rgba(217, 48, 37, 0.1);
    }

    /* Empty state for shared */
    .shared-empty-state {
        text-align: center;
        padding: 60px 20px;
        color: #5f6368;
    }

    [data-theme="dark"] .shared-empty-state {
        color: #9aa0a6;
    }

    .shared-empty-state svg {
        width: 64px;
        height: 64px;
        margin-bottom: 16px;
        opacity: 0.5;
    }

    .shared-empty-state p {
        font-size: 15px;
    }

    /* ==========================================
       Settings Section Styles
       ========================================== */
    #settings-section {
        display: none;
        margin-top: -50px;
        padding-top: env(safe-area-inset-top);
        padding-bottom: calc(80px + env(safe-area-inset-bottom));
    }

    #settings-section.active {
        display: block;
    }

    .settings-mobile-header {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 12px 16px;
        background: var(--bg-primary);
        border-bottom: 1px solid var(--border-color);
        position: sticky;
        top: 0;
        z-index: 10;
    }

    .settings-back-btn {
        width: 40px;
        height: 40px;
        border: none;
        background: transparent;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--text-primary);
        cursor: pointer;
    }

    .settings-back-btn:active {
        background: var(--bg-hover);
    }

    .settings-mobile-header h1 {
        font-size: 18px;
        font-weight: 600;
        color: var(--text-primary);
        margin: 0;
    }

    .settings-content {
        padding: 16px;
    }

    /* Settings Menu List */
    .settings-menu-group {
        background: var(--bg-secondary);
        border-radius: 12px;
        overflow: hidden;
    }

    .settings-menu-row {
        width: 100%;
        display: flex;
        align-items: center;
        gap: 14px;
        padding: 16px;
        background: transparent;
        border: none;
        border-bottom: 1px solid var(--border-color);
        color: var(--text-primary);
        font-size: 16px;
        text-align: left;
        cursor: pointer;
    }

    .settings-menu-row:last-child {
        border-bottom: none;
    }

    .settings-menu-row:active {
        background: var(--bg-hover);
    }

    .settings-menu-row svg:first-child {
        color: var(--text-secondary);
        flex-shrink: 0;
    }

    .settings-menu-row span {
        flex: 1;
    }

    .settings-menu-chevron {
        color: var(--text-secondary);
        opacity: 0.6;
    }

    /* Settings Sub-sections */
    #settings-photos-section,
    #settings-appearance-section,
    #settings-storage-section,
    #settings-about-section,
    #settings-account-section {
        display: none;
        margin-top: -50px;
        padding-top: env(safe-area-inset-top);
        padding-bottom: calc(80px + env(safe-area-inset-bottom));
    }

    #settings-photos-section.active,
    #settings-appearance-section.active,
    #settings-storage-section.active,
    #settings-about-section.active,
    #settings-account-section.active {
        display: block;
    }

    .settings-sub-back-btn {
        width: 40px;
        height: 40px;
        border: none;
        background: transparent;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--text-primary);
        cursor: pointer;
    }

    .settings-sub-back-btn:active {
        background: var(--bg-hover);
    }

    /* Settings About Card */
    .settings-about-card {
    text-align: center;
    padding: 28px 20px 24px;
        margin-bottom: 16px;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    background: linear-gradient(180deg, var(--bg-secondary), var(--bg-primary));
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.06);
}

    /* Product image styles */
    .settings-about-product-image {
        display: flex;
        justify-content: center;
    margin-bottom: 18px;
    }

    .settings-about-product-image img {
    width: 108px;
        height: auto;
    border-radius: 18px;
    filter: drop-shadow(0 10px 18px rgba(0, 0, 0, 0.08));
    }

    /* Device name styles */
    .settings-about-device-name {
    font-size: 24px;
    font-weight: 700;
        color: var(--text-primary);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

    /* Rename button styles */
    .settings-about-rename-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 0 22px;
    background: var(--text-primary);
    border: 1px solid var(--text-primary);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    color: var(--bg-primary);
    cursor: pointer;
    transition: transform var(--transition-fast), opacity var(--transition-fast), background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
    }

    .settings-about-rename-btn:hover {
    transform: translateY(-1px);
    opacity: 0.92;
}

.settings-about-rename-btn:active {
    transform: translateY(0);
    }

#settings-about-section #rename-device-btn,
.settings-main #rename-device-btn {
    appearance: none;
    -webkit-appearance: none;
    background-color: var(--text-primary) !important;
    color: var(--bg-primary) !important;
    border: 1px solid var(--text-primary) !important;
    border-radius: 9999px !important;
    box-shadow: none;
    text-decoration: none;
}

    /* Rename modal input */
    .rename-input {
        width: 100%;
        padding: 12px;
        font-size: 16px;
        border: 1px solid var(--border-color);
        border-radius: 8px;
        background: var(--bg-primary);
        color: var(--text-primary);
        margin-bottom: 16px;
        box-sizing: border-box;
    }

    /* Software Update Header */
    .settings-update-header {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 16px;
        margin-bottom: 16px;
    }

    .settings-update-header-info {
        display: flex;
        flex-direction: column;
    }

    .settings-update-header-name {
        font-size: 18px;
        font-weight: 600;
        color: var(--text-primary);
    }

    .settings-update-header-version {
        font-size: 14px;
        color: var(--text-secondary);
    }

    /* Update Rows */
    .settings-update-row {
        padding: 16px 0;
    }

    .settings-update-row:first-child {
        padding-top: 0;
    }

    .settings-update-row:last-child {
        padding-bottom: 0;
    }

    .settings-update-row-title {
        font-size: 16px;
        font-weight: 500;
        color: var(--text-primary);
        margin-bottom: 4px;
        display: flex;
        align-items: center;
        gap: 6px;
    }

    .settings-update-row-subtitle {
        font-size: 14px;
        color: var(--text-secondary);
        margin-bottom: 4px;
    }

    .settings-update-row-desc {
        font-size: 14px;
        color: var(--text-secondary);
    }

    .settings-update-row-link {
        font-size: 14px;
        color: var(--text-primary);
        text-decoration: underline;
    }

    .settings-divider {
        height: 1px;
        background: var(--border-color);
        margin: 0;
    }

    .settings-group {
        background: var(--bg-secondary);
        border-radius: 12px;
        padding: 16px;
        margin-bottom: 16px;
    }

    .settings-group-title {
        font-size: 13px;
        font-weight: 600;
        color: var(--text-secondary);
        text-transform: uppercase;
        letter-spacing: 0.5px;
        margin-bottom: 12px;
    }

    .settings-item {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 12px 0;
        border-bottom: 1px solid var(--border-color);
    }

    .settings-item:last-of-type {
        border-bottom: none;
    }

    .settings-label {
        font-size: 15px;
        color: var(--text-primary);
    }

    .settings-value {
        font-size: 15px;
        color: var(--text-secondary);
    }

    /* Toggle Switch */
    .settings-toggle {
        position: relative;
        width: 51px;
        height: 31px;
        display: inline-block;
    }

    .settings-toggle input {
        opacity: 0;
        width: 0;
        height: 0;
    }

    .toggle-slider {
        position: absolute;
        cursor: pointer;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: var(--border-color);
        transition: 0.3s;
        border-radius: 31px;
    }

    .toggle-slider:before {
        position: absolute;
        content: "";
        height: 27px;
        width: 27px;
        left: 2px;
        bottom: 2px;
        background-color: var(--toggle-thumb);
        transition: 0.3s;
        border-radius: 50%;
        box-shadow: 0 0 0 1px var(--border-color), 0 2px 4px rgba(0,0,0,0.2);
    }

    .settings-toggle input:checked + .toggle-slider {
        background-color: var(--accent-color);
    }

    .settings-toggle input:checked + .toggle-slider:before {
        transform: translateX(20px);
    }

    /* Select dropdown */
    .settings-item select {
        background: var(--bg-primary);
        border: 1px solid var(--border-color);
        border-radius: 8px;
        padding: 8px 12px;
        font-size: 14px;
        color: var(--text-primary);
        cursor: pointer;
        min-width: 100px;
    }

    /* Buttons */
    .settings-btn-logout {
        width: 100%;
        padding: 14px;
        background: transparent;
        border: 1px solid var(--error);
        border-radius: 10px;
        color: var(--error);
        font-size: 15px;
        font-weight: 500;
        cursor: pointer;
        margin-top: 8px;
    }

    .settings-btn-logout:active,
    .settings-btn-logout:hover {
        background: rgba(244, 33, 46, 0.1);
    }

    .settings-btn-secondary {
        width: 100%;
        padding: 14px;
        background: var(--bg-primary);
        border: 1px solid var(--border-color);
        border-radius: 10px;
        color: var(--text-primary);
        font-size: 15px;
        font-weight: 500;
        cursor: pointer;
    }

    .settings-btn-secondary:active {
        background: var(--bg-hover);
    }

    .settings-btn-destructive {
        width: 100%;
        padding: 14px;
        background: rgba(244, 33, 46, 0.1);
        border: 1px solid rgba(244, 33, 46, 0.25);
        border-radius: 10px;
        color: #f4212e;
        font-size: 15px;
        font-weight: 600;
        cursor: pointer;
    }
    .settings-btn-destructive:active { background: rgba(244, 33, 46, 0.18); }
    .settings-btn-destructive:disabled { opacity: 0.4; cursor: not-allowed; }

    /* External SSD device cards inside Settings → Storage. Lives in the
       mobile-first block; the desktop overrides below match the rest of
       the .settings-main rules. */
    .settings-storage-devices { display: flex; flex-direction: column; gap: 10px; }
    .settings-storage-empty {
        font-size: 14px;
        color: var(--text-secondary);
        padding: 8px 2px 10px;
    }
    .settings-storage-device {
        background: var(--bg-primary);
        border: 1px solid var(--border-color);
        border-radius: 12px;
        padding: 12px 14px;
        display: flex;
        flex-direction: column;
        gap: 8px;
    }
    .settings-storage-device-head {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 8px;
    }
    .settings-storage-device-label {
        font-weight: 600;
        font-size: 15px;
        color: var(--text-primary);
    }
    .settings-storage-device-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        font-size: 12px;
        color: var(--text-secondary);
    }
    .settings-storage-uuid { font-family: monospace; }
    .settings-storage-badge {
        font-size: 11px;
        font-weight: 600;
        padding: 3px 8px;
        border-radius: 999px;
    }
    .settings-storage-badge-ok    { background: rgba(48, 209, 88, 0.15);  color: #18a558; }
    .settings-storage-badge-warn  { background: rgba(244, 33, 46, 0.12);  color: #f4212e; }
    .settings-storage-badge-muted { background: var(--bg-hover);          color: var(--text-secondary); }
    .settings-storage-actions {
        display: flex;
        gap: 8px;
        flex-wrap: wrap;
    }
    .settings-storage-actions > button { width: auto; flex: 1; }
    .settings-storage-hotplug-note {
        margin-top: 4px;
        font-size: 12px;
        color: var(--text-secondary);
    }

    /* Modal action row + destructive variant for the format-confirm dialog. */
    .modal-actions {
        display: flex;
        gap: 8px;
        margin-top: 16px;
    }
    .modal-btn-secondary, .modal-btn-destructive {
        flex: 1;
        padding: 12px;
        border-radius: 10px;
        font-size: 15px;
        font-weight: 600;
        cursor: pointer;
    }
    .modal-btn-secondary {
        background: var(--bg-primary);
        border: 1px solid var(--border-color);
        color: var(--text-primary);
    }
    .modal-btn-destructive {
        background: #f4212e;
        border: 1px solid #f4212e;
        color: #fff;
    }
    .modal-btn-destructive:disabled { opacity: 0.4; cursor: not-allowed; }
    #storage-format-input {
        width: 100%;
        padding: 10px 12px;
        border: 1px solid var(--border-color);
        border-radius: 8px;
        background: var(--bg-primary);
        color: var(--text-primary);
        font-family: monospace;
        font-size: 15px;
        letter-spacing: 0.05em;
    }

    .settings-btn-primary {
        width: 100%;
        padding: 14px;
        background: var(--accent-color);
        border: none;
        border-radius: 10px;
        color: var(--bg-primary);
        font-size: 15px;
        font-weight: 600;
        cursor: pointer;
        margin-top: 8px;
    }

    .settings-btn-primary:hover {
        background: var(--accent-hover);
    }

    .settings-btn-primary:disabled {
        background: var(--border-color);
        color: var(--text-secondary);
        cursor: not-allowed;
    }

    /* Legacy action sheet styles for other menus */
    .action-sheet-content {
        background: var(--bg-primary);
        border-radius: 16px;
        padding: 0;
        border: 1px solid var(--border-color);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    }

    .action-sheet-item {
        display: flex;
        align-items: center;
        padding: 14px 16px;
        background: none;
        border: none;
        color: var(--text-primary);
        cursor: pointer;
        width: 100%;
        text-align: left;
    }

    .action-sheet-item svg {
        margin-right: 12px;
    }
}

/* ==========================================
   Settings - Shared (both breakpoints)
   ========================================== */


.settings-item-help {
    font-size: 13px;
    color: var(--text-secondary);
    padding: 4px 0 0;
    line-height: 1.4;
}

.settings-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 12px;
}

.settings-text-input,
.settings-select,
.settings-textarea {
    width: 100%;
    padding: 12px 14px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
}

.settings-text-input:focus,
.settings-select:focus,
.settings-textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.settings-textarea {
    min-height: 110px;
    resize: vertical;
}

.settings-list-empty {
    color: var(--text-secondary);
    font-size: 14px;
}

.settings-inline-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.settings-btn-small {
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 13px;
}

.settings-btn-small.danger {
    border-color: var(--error);
    color: var(--error);
}

.settings-user-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 8px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 12px;
}

.settings-user-chip.owner {
    color: var(--text-primary);
    border-color: var(--text-primary);
}

.settings-user-chip.disabled {
    color: var(--warning);
    border-color: var(--warning);
}

.settings-section-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.settings-btn-inline {
    width: auto;
    margin-top: 0;
    white-space: nowrap;
}

.settings-profile-card {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.settings-profile-avatar,
.settings-user-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    flex: 0 0 auto;
}

.settings-profile-meta {
    flex: 1;
}

.settings-profile-email-line {
    margin-top: 4px;
}

.settings-profile-email,
.settings-user-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.settings-profile-subtext,
.settings-user-email-line,
.settings-user-last-login,
.settings-session-table-last-active {
    font-size: 13px;
    color: var(--text-secondary);
}

.settings-user-row,
.settings-invite-row,
.settings-session-table-row {
    display: grid;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-top: 1px solid var(--border-color);
}

.settings-user-row:first-child,
.settings-invite-row:first-child,
.settings-session-table-row:first-child {
    border-top: none;
}

.settings-user-row {
    grid-template-columns: 44px minmax(0, 1.6fr) minmax(180px, 1.2fr) minmax(110px, .8fr) auto;
}

.settings-user-row.is-disabled {
    opacity: 0.5;
}

.settings-user-main {
    min-width: 0;
}

.settings-user-name-row {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.settings-user-usage-button {
    display: flex;
    flex-direction: column;
    gap: 6px;
    background: transparent;
    border: none;
    color: inherit;
    text-align: left;
    padding: 0;
    cursor: pointer;
}

.settings-user-usage-text {
    font-size: 13px;
    color: var(--text-primary);
}

.settings-user-progress {
    width: 180px;
    max-width: 100%;
    height: 6px;
    border-radius: 999px;
    overflow: hidden;
    background: var(--border-color);
}

.settings-user-progress-fill {
    height: 100%;
    border-radius: 999px;
}

.settings-user-progress-fill.normal { background: var(--text-primary); }
.settings-user-progress-fill.warning { background: var(--warning); }
.settings-user-progress-fill.critical { background: var(--error); }

.settings-user-menu-button {
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    padding: 4px 8px;
}

.settings-invite-row {
    grid-template-columns: minmax(0, 1fr) auto;
}

.settings-sessions-table {
    display: grid;
}

.settings-session-table-row {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) auto;
}

.settings-session-table-device {
    font-size: 14px;
    color: var(--text-primary);
}

.settings-action-list .action-sheet-item {
    border-radius: 10px;
}

.settings-quota-row {
    display: grid;
    grid-template-columns: 1fr 96px;
    gap: 8px;
}

@media (max-width: 900px) {
    .settings-user-row {
        grid-template-columns: 44px minmax(0, 1fr) auto;
    }

    .settings-user-usage-button,
    .settings-user-last-login {
        grid-column: 2 / -1;
    }

    .settings-session-table-row {
        grid-template-columns: 1fr;
    }
}

.settings-update-dot {
    width: 8px;
    height: 8px;
    background: var(--warning);
    border-radius: 50%;
}

.update-progress-bar {
    width: 100%;
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
}

.update-progress-fill {
    height: 100%;
    background: var(--accent-color);
    border-radius: 3px;
    width: 0;
    transition: width 0.3s ease;
}

.dev-version-item {
    padding: 12px 0;
    border-top: 1px solid var(--border-color);
}

.dev-version-item:first-child {
    border-top: none;
}

.dev-version-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.dev-version-name {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-primary);
}

.dev-version-date {
    font-size: 13px;
    color: var(--text-secondary);
}

.dev-version-notes {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.dev-version-install-btn {
    padding: 8px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
}

.dev-version-install-btn:hover {
    background: var(--bg-hover);
}

.settings-update-row-clickable {
    cursor: pointer;
    border-radius: 8px;
    margin: -8px;
    padding: 16px 8px;
    transition: background var(--transition-fast);
}

.settings-update-row-clickable:hover {
    background: var(--bg-hover);
}

.settings-update-overview-card {
    background: linear-gradient(180deg, var(--bg-secondary), var(--bg-primary));
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 20px;
    margin-bottom: 16px;
}

.settings-update-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    padding: 0;
    margin-bottom: 18px;
    background: transparent;
    border: 0;
}

.settings-update-header-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.settings-update-status-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 30px;
    padding: 0 12px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.settings-update-status-badge.is-ok {
    background: rgba(0, 186, 124, 0.12);
    border-color: rgba(0, 186, 124, 0.24);
    color: var(--success);
}

.settings-update-status-badge.is-available {
    background: rgba(255, 212, 0, 0.14);
    border-color: rgba(255, 212, 0, 0.3);
    color: #b98c00;
}

.settings-update-status-badge.is-busy {
    background: rgba(59, 130, 246, 0.12);
    border-color: rgba(59, 130, 246, 0.28);
    color: #3b82f6;
}

.settings-update-status-badge.is-error {
    background: rgba(244, 33, 46, 0.12);
    border-color: rgba(244, 33, 46, 0.24);
    color: var(--error);
}

.settings-update-version-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 18px;
}

.settings-update-version-card {
    padding: 14px 16px;
    border: 1px solid var(--border-color);
    border-radius: 14px;
    background: var(--bg-primary);
}

.settings-update-version-label {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.settings-update-version-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.settings-update-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}

.settings-update-check-btn {
    flex-shrink: 0;
    min-width: 170px;
}

.settings-update-status-copy {
    min-width: 0;
}

.settings-update-status-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.settings-update-status-desc {
    font-size: 14px;
    color: var(--text-secondary);
}

.settings-update-available-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
}

.settings-update-card,
.settings-update-progress-card,
.settings-update-reboot-card,
.settings-update-dev-card {
    border: 1px solid var(--border-color);
}

.settings-update-card-header {
    margin-bottom: 10px;
}

.settings-update-card-eyebrow {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 4px;
}

.settings-update-card-version {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.settings-update-card-notes {
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-secondary);
    margin-bottom: 14px;
    min-height: 44px;
    white-space: pre-wrap;
}

.settings-update-row {
    padding: 0;
    border-bottom: none;
}

.settings-update-reboot-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.settings-update-section-header {
    margin-bottom: 10px;
}

.settings-update-section-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 4px;
}

.dev-version-item {
    padding: 14px 0;
    border-top: 1px solid var(--border-color);
}

.dev-version-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 6px;
}

.dev-version-notes {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 10px;
    white-space: pre-wrap;
}

@media (max-width: 640px) {
    .settings-update-header,
    .settings-update-actions,
    .settings-update-reboot-card {
        flex-direction: column;
        align-items: stretch;
    }

    .settings-update-version-grid {
        grid-template-columns: 1fr;
    }

    .settings-update-check-btn {
        width: 100%;
        min-width: 0;
    }

    .settings-update-status-badge {
        align-self: flex-start;
    }
}

/* ==========================================
   Settings - Desktop (min-width: 641px)
   ========================================== */

@media (min-width: 641px) {
    /* Desktop Settings: sidebar (left) + scrollable content panel (right),
       modeled after Drive/Photos. Sub-sections' .settings-content is
       teleported into #settings-main via JS. */
    #settings-section.active {
        display: flex !important;
        flex: 1 1 0%;
        flex-direction: row;
        min-width: 0;
        min-height: 0;
        overflow: hidden;
    }

    /* Hide the mobile header on desktop (no "Settings" bar at top) */
    #settings-section > .settings-mobile-header {
        display: none;
    }

    /* Outer .settings-content becomes the flex row container on desktop */
    #settings-section > .settings-content {
        display: flex;
        flex-direction: row;
        flex: 1 1 0%;
        min-width: 0;
        min-height: 0;
        gap: 0;
    }

    /* Hide sub-section wrappers on desktop (their content is moved into #settings-main) */
    #settings-photos-section,
    #settings-appearance-section,
    #settings-storage-section,
    #settings-update-section,
    #settings-about-section,
    #settings-account-section,
    #settings-apps-section {
        display: none !important;
    }

    /* ----- Sidebar (matches .drive-sidebar / .drive-nav-item) ----- */
    #settings-section > .settings-content > .settings-menu-group {
        flex: 0 0 clamp(156px, 22vw, var(--sidebar-width));
        width: clamp(156px, 22vw, var(--sidebar-width));
        min-width: 156px;
        max-width: var(--sidebar-width);
        background: var(--bg-secondary);
        border-right: 1px solid var(--border-color);
        padding: 12px;
        overflow-y: auto;
        display: flex;
        flex-direction: column;
        gap: 2px;
        border-radius: 0;
    }

    #settings-section .settings-menu-row {
        width: 100%;
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 10px 14px;
        background: transparent;
        border: none;
        color: var(--text-secondary);
        font-size: 13px;
        font-weight: 500;
        text-align: left;
        cursor: pointer;
        border-radius: 24px;
        transition: all var(--transition-fast);
        min-width: 0;
    }

    #settings-section .settings-menu-row > span {
        flex: 1;
        min-width: 0;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    #settings-section .settings-menu-row svg:first-child {
        width: 18px;
        height: 18px;
        flex-shrink: 0;
        opacity: 0.8;
    }

    #settings-section .settings-menu-row:hover {
        background: var(--bg-hover);
        color: var(--text-primary);
    }

    #settings-section .settings-menu-row.active {
        background: var(--accent-color);
        color: var(--bg-primary);
    }

    #settings-section .settings-menu-row.active svg:first-child {
        opacity: 1;
    }

    #settings-section .settings-menu-row > span {
        flex: 1;
    }

    #settings-section .settings-menu-chevron {
        display: none;
    }

    /* ----- Right panel ----- */
    .settings-main {
        flex: 1 1 0%;
        min-width: 0;
        padding: 56px 64px 80px;
        overflow-y: auto;
    }

    .settings-main:empty {
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--text-secondary);
    }

    .settings-panel-title {
        font-size: 30px;
        font-weight: 700;
        color: var(--text-primary);
        margin: 0 0 32px;
        letter-spacing: -0.02em;
        max-width: 640px;
    }

    .settings-main .settings-content {
        display: flex;
        flex-direction: column;
        gap: 36px;
        max-width: 640px;
    }

    /* No-card section style */
    .settings-main .settings-group {
        background: transparent;
        border: none;
        border-radius: 0;
        padding: 0;
        margin: 0;
        display: flex;
        flex-direction: column;
    }

    .settings-main .settings-group-title {
        font-size: 11px;
        font-weight: 600;
        color: var(--text-secondary);
        text-transform: uppercase;
        letter-spacing: 0.08em;
        margin: 0 0 12px;
    }

    /* Items as a continuous list inside a group */
    .settings-main .settings-item {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 14px 0;
        border-bottom: 1px solid var(--border-color);
        gap: 16px;
        min-height: 48px;
    }

    .settings-main .settings-group > .settings-item:first-of-type {
        border-top: 1px solid var(--border-color);
    }

    .settings-main .settings-item:last-of-type {
        border-bottom: 1px solid var(--border-color);
    }

    .settings-main .settings-label {
        font-size: 14px;
        color: var(--text-primary);
        font-weight: 400;
    }

    .settings-main .settings-value {
        font-size: 14px;
        color: var(--text-secondary);
        font-variant-numeric: tabular-nums;
    }

    .settings-main .settings-item-help {
        font-size: 12.5px;
        color: var(--text-secondary);
        padding: 8px 0 0;
        line-height: 1.5;
    }

    /* Form controls */
    .settings-main .settings-item select,
    .settings-main .settings-item input[type="text"] {
        padding: 6px 12px;
        background: var(--bg-tertiary);
        border: 1px solid var(--border-color);
        border-radius: 6px;
        color: var(--text-primary);
        font-size: 13.5px;
        cursor: pointer;
        transition: border-color var(--transition-fast);
    }

    .settings-main .settings-item select:hover,
    .settings-main .settings-item input[type="text"]:hover {
        border-color: var(--text-secondary);
    }

    .settings-main .settings-item select:focus,
    .settings-main .settings-item input[type="text"]:focus {
        outline: none;
        border-color: var(--accent-color);
    }

    /* Toggle */
    .settings-toggle {
        position: relative;
        display: inline-block;
        width: 36px;
        height: 22px;
        flex-shrink: 0;
    }

    .settings-toggle input {
        opacity: 0;
        width: 0;
        height: 0;
    }

    .settings-toggle .toggle-slider {
        position: absolute;
        cursor: pointer;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--border-color);
        border-radius: 11px;
        transition: 0.18s ease;
    }

    .settings-toggle .toggle-slider::before {
        position: absolute;
        content: "";
        height: 18px;
        width: 18px;
        left: 2px;
        top: 2px;
        background: var(--toggle-thumb);
        border-radius: 50%;
        box-shadow: 0 1px 2px rgba(0,0,0,0.25);
        transition: 0.18s ease;
    }

    .settings-toggle input:checked + .toggle-slider {
        background: var(--accent-color);
    }

    .settings-toggle input:checked + .toggle-slider::before {
        transform: translateX(14px);
    }

    .settings-main .settings-divider {
        display: none;
    }

    /* ----- Software Update specific ----- */
    .settings-main .settings-update-header {
        display: flex;
        align-items: center;
        gap: 16px;
        padding: 20px 0 28px;
        background: transparent;
        border: none;
        border-bottom: 1px solid var(--border-color);
        border-radius: 0;
        margin-bottom: 8px;
    }

    .settings-main .settings-update-header-icon {
        width: 44px;
        height: 44px;
    }

    .settings-update-header-info {
        display: flex;
        flex-direction: column;
        gap: 2px;
    }

    .settings-main .settings-update-header-name {
        font-size: 17px;
        font-weight: 600;
        color: var(--text-primary);
    }

    .settings-main .settings-update-header-version {
        font-size: 13px;
        color: var(--text-secondary);
    }

    .settings-main .settings-update-row {
        padding: 14px 0;
        border-bottom: 1px solid var(--border-color);
    }

    .settings-main .settings-update-row:last-child {
        border-bottom: none;
    }

    .settings-main .settings-group > .settings-update-row:first-child {
        border-top: 1px solid var(--border-color);
    }

    .settings-main .settings-update-row-title {
        font-size: 14px;
        font-weight: 500;
        color: var(--text-primary);
        margin-bottom: 4px;
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .settings-main .settings-update-row-subtitle {
        font-size: 13px;
        color: var(--text-secondary);
        margin-bottom: 4px;
    }

    .settings-main .settings-update-row-desc {
        font-size: 13px;
        color: var(--text-secondary);
        line-height: 1.5;
    }

    .settings-main .settings-update-row-clickable {
        cursor: pointer;
        margin: 0 -12px;
        padding: 14px 12px;
        border-radius: 6px;
        border-bottom: 1px solid var(--border-color);
    }

    .settings-main .settings-update-row-clickable:hover {
        background: var(--bg-hover);
    }

    .settings-update-overview-card {
        background: linear-gradient(180deg, var(--bg-secondary), var(--bg-primary));
        border: 1px solid var(--border-color);
        border-radius: 18px;
        padding: 20px;
        margin-bottom: 16px;
    }

    .settings-update-header {
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
        gap: 16px;
        padding: 0;
        margin-bottom: 18px;
        background: transparent;
        border: 0;
    }

    .settings-update-header-brand {
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .settings-update-header-info {
        display: flex;
        flex-direction: column;
        gap: 2px;
    }

    .settings-update-header-name {
        font-size: 20px;
        font-weight: 700;
        color: var(--text-primary);
    }

    .settings-update-header-version {
        font-size: 14px;
        color: var(--text-secondary);
    }

    .settings-update-status-badge {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-height: 30px;
        padding: 0 12px;
        border-radius: 999px;
        border: 1px solid var(--border-color);
        background: var(--bg-primary);
        color: var(--text-secondary);
        font-size: 12px;
        font-weight: 600;
        white-space: nowrap;
    }

    .settings-update-status-badge.is-ok {
        background: rgba(0, 186, 124, 0.12);
        border-color: rgba(0, 186, 124, 0.24);
        color: var(--success);
    }

    .settings-update-status-badge.is-available {
        background: rgba(255, 212, 0, 0.14);
        border-color: rgba(255, 212, 0, 0.3);
        color: #b98c00;
    }

    .settings-update-status-badge.is-busy {
        background: rgba(59, 130, 246, 0.12);
        border-color: rgba(59, 130, 246, 0.28);
        color: #3b82f6;
    }

    .settings-update-status-badge.is-error {
        background: rgba(244, 33, 46, 0.12);
        border-color: rgba(244, 33, 46, 0.24);
        color: var(--error);
    }

    .settings-update-version-grid {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
        margin-bottom: 18px;
    }

    .settings-update-version-card {
        padding: 14px 16px;
        border: 1px solid var(--border-color);
        border-radius: 14px;
        background: var(--bg-primary);
    }

    .settings-update-version-label {
        font-size: 12px;
        color: var(--text-secondary);
        margin-bottom: 6px;
        text-transform: uppercase;
        letter-spacing: 0.04em;
    }

    .settings-update-version-value {
        font-size: 16px;
        font-weight: 600;
        color: var(--text-primary);
    }

    .settings-update-actions {
        display: flex;
        align-items: center;
        gap: 14px;
    }

    .settings-update-check-btn {
        flex-shrink: 0;
        min-width: 170px;
    }

    .settings-update-status-copy {
        min-width: 0;
    }

    .settings-update-status-title {
        font-size: 15px;
        font-weight: 600;
        color: var(--text-primary);
        margin-bottom: 4px;
    }

    .settings-update-status-desc {
        font-size: 14px;
        color: var(--text-secondary);
    }

    .settings-update-available-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
        gap: 16px;
    }

    .settings-update-card,
    .settings-update-progress-card,
    .settings-update-reboot-card,
    .settings-update-dev-card {
        border: 1px solid var(--border-color);
    }

    .settings-update-card-header {
        margin-bottom: 10px;
    }

    .settings-update-card-eyebrow {
        font-size: 12px;
        font-weight: 600;
        color: var(--text-secondary);
        text-transform: uppercase;
        letter-spacing: 0.04em;
        margin-bottom: 4px;
    }

    .settings-update-card-version {
        font-size: 18px;
        font-weight: 700;
        color: var(--text-primary);
    }

    .settings-update-card-notes {
        font-size: 14px;
        line-height: 1.5;
        color: var(--text-secondary);
        margin-bottom: 14px;
        min-height: 44px;
        white-space: pre-wrap;
    }

    .settings-update-row {
        padding: 0;
        border-bottom: none;
    }

    .settings-update-reboot-card {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 12px;
    }

    .settings-update-section-header {
        margin-bottom: 10px;
    }

    .settings-update-section-subtitle {
        font-size: 14px;
        color: var(--text-secondary);
        margin-top: 4px;
    }

    .dev-version-item {
        padding: 14px 0;
        border-top: 1px solid var(--border-color);
    }

    .dev-version-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 12px;
        margin-bottom: 6px;
    }

    .dev-version-notes {
        font-size: 14px;
        color: var(--text-secondary);
        margin-bottom: 10px;
        white-space: pre-wrap;
    }

    @media (max-width: 640px) {
        .settings-update-header,
        .settings-update-actions,
        .settings-update-reboot-card {
            flex-direction: column;
            align-items: stretch;
        }

        .settings-update-version-grid {
            grid-template-columns: 1fr;
        }

        .settings-update-check-btn {
            width: 100%;
            min-width: 0;
        }

        .settings-update-status-badge {
            align-self: flex-start;
        }
    }

    /* ----- About specific ----- */
    .settings-main .settings-about-card {
        text-align: center;
        padding: 20px 24px 28px;
        margin: 0 0 8px;
        border-radius: 24px;
    }

    .settings-main .settings-about-product-image {
        margin-bottom: 22px;
    }

    .settings-main .settings-about-product-image img {
        width: 156px;
    }

    .settings-main .settings-about-device-name {
        font-size: 28px;
        font-weight: 700;
        margin-bottom: 10px;
        letter-spacing: -0.01em;
    }

    .settings-main .settings-about-rename-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-height: 40px;
        padding: 0 22px;
        font-size: 13px;
        font-weight: 600;
        background: var(--text-primary);
        color: var(--bg-primary);
        border: 1px solid var(--text-primary);
        border-radius: 999px;
        cursor: pointer;
        transition: transform var(--transition-fast), opacity var(--transition-fast);
    }

    .settings-main .settings-about-rename-btn:hover {
        transform: translateY(-1px);
        opacity: 0.92;
    }

    .settings-main .settings-about-rename-btn:active {
        transform: translateY(0);
    }

    /* ----- Buttons ----- */
    .settings-main .settings-btn-primary {
        width: auto;
        align-self: flex-start;
        padding: 8px 18px;
        background: var(--accent-color);
        border: none;
        border-radius: 6px;
        color: var(--bg-primary);
        font-size: 13.5px;
        font-weight: 600;
        cursor: pointer;
        margin-top: 16px;
        transition: background var(--transition-fast);
    }

    .settings-main .settings-btn-primary:hover {
        background: var(--accent-hover);
    }

    .settings-main .settings-btn-primary:disabled {
        background: var(--border-color);
        color: var(--text-secondary);
        cursor: not-allowed;
    }

    .settings-main .settings-btn-secondary {
        width: auto;
        padding: 7px 16px;
        background: var(--bg-tertiary);
        border: 1px solid var(--border-color);
        border-radius: 6px;
        color: var(--text-primary);
        font-size: 13.5px;
        font-weight: 500;
        cursor: pointer;
        margin-top: 16px;
        align-self: flex-start;
        transition: background var(--transition-fast);
    }

    .settings-main .settings-btn-secondary:hover {
        background: var(--bg-hover);
    }

    /* Match the destructive button to the secondary's desktop dimensions so
       Rename / Format / Eject form one even row (only the colour differs). */
    .settings-main .settings-btn-destructive {
        width: auto;
        padding: 7px 16px;
        border-radius: 6px;
        font-size: 13.5px;
        font-weight: 600;
        cursor: pointer;
        margin-top: 16px;
        align-self: flex-start;
        background: rgba(244, 33, 46, 0.1);
        border: 1px solid rgba(244, 33, 46, 0.25);
        color: #f4212e;
        transition: background var(--transition-fast);
    }
    .settings-main .settings-btn-destructive:hover { background: rgba(244, 33, 46, 0.18); }

    /* In the action row the buttons are flex siblings — drop the standalone
       margin/self-align so they line up flush and equal-width. */
    .settings-main .settings-storage-actions { margin-top: 14px; }
    .settings-main .settings-storage-actions > button {
        margin-top: 0;
        align-self: auto;
        flex: 1;
    }

    .settings-main .settings-btn-logout {
        width: auto;
        align-self: flex-start;
        padding: 8px 20px;
        margin-top: 0;
    }

    .settings-main .update-progress-bar {
        margin-top: 14px;
    }
}

/* ==========================================
   Torrent Settings Modal
   ========================================== */

.torrent-info {
    margin-bottom: 16px;
}

.torrent-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    word-break: break-all;
    margin-bottom: 4px;
}

.torrent-meta {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.torrent-file-list {
    max-height: 120px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 4px 0;
    margin-top: 8px;
}

.torrent-file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 12px;
    font-size: 12px;
    color: var(--text-secondary);
}

.torrent-file-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-right: 8px;
}

.torrent-file-size {
    flex-shrink: 0;
    color: var(--text-muted);
}

.torrent-file-more {
    color: var(--text-muted);
    font-style: italic;
    justify-content: center;
}

.torrent-dest-section {
    margin-bottom: 16px;
}

.torrent-dest-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.folder-tree {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px;
    max-height: 240px;
    overflow-y: auto;
}

.folder-tree-item {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    cursor: pointer;
    border-radius: 6px;
    transition: background var(--transition-fast);
    user-select: none;
}

.folder-tree-item:hover {
    background: var(--bg-hover);
}

.folder-tree-item.selected {
    background: rgba(59, 130, 246, 0.15);
}

.folder-tree-toggle {
    width: 20px;
    font-size: 10px;
    color: var(--text-muted);
    flex-shrink: 0;
    text-align: center;
}

.folder-icon {
    margin-right: 8px;
    flex-shrink: 0;
    font-size: 16px;
}

.folder-tree-name {
    font-size: 13px;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.folder-tree-children {
    padding-left: 20px;
}

.folder-tree-loading,
.folder-tree-empty {
    padding: 8px 12px;
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
}

/* ==========================================
   Help & Support
   ========================================== */

.support-action-label {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    text-align: left;
}

.support-action-title {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-primary);
}

.support-action-sub {
    font-size: 12px;
    color: var(--text-secondary);
}

.support-history-row {
    align-items: center;
}

.support-history-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
    text-align: left;
    overflow: hidden;
}

.support-history-subject {
    font-size: 14px;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.support-history-meta {
    font-size: 12px;
    color: var(--text-secondary);
}

.support-form {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.support-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.support-field-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

.support-field-help {
    font-size: 12px;
    color: var(--text-muted);
}

.support-input,
.support-textarea {
    width: 100%;
    padding: 12px 14px;
    font-size: 15px;
    font-family: inherit;
    line-height: 1.4;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-primary);
    box-sizing: border-box;
    transition: border-color var(--transition-fast);
}

.support-textarea {
    line-height: 1.5;
    resize: vertical;
}

.support-input::placeholder,
.support-textarea::placeholder {
    color: var(--text-muted);
}

.support-input:focus,
.support-textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.support-form-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 4px;
}

.support-attachments {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.support-attach-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 13px;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.support-attach-btn:hover {
    background: var(--bg-hover);
}

.support-attach-help {
    font-size: 12px;
    color: var(--text-muted);
}

.support-attach-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.support-attach-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-tertiary);
}

.support-attach-thumb {
    width: 32px;
    height: 32px;
    object-fit: cover;
    border-radius: 4px;
}

.support-attach-icon {
    font-size: 18px;
    width: 32px;
    text-align: center;
}

.support-attach-name {
    flex: 1;
    font-size: 13px;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.support-attach-size {
    font-size: 12px;
    color: var(--text-muted);
}

.support-attach-remove {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    padding: 0 4px;
}

.support-attach-remove:hover {
    color: var(--text-primary);
}

.support-meta-details {
    font-size: 12px;
    color: var(--text-secondary);
}

.support-meta-details summary {
    cursor: pointer;
    user-select: none;
    padding: 4px 0;
}

.support-meta-preview {
    margin-top: 6px;
    padding: 10px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 12px;
    color: var(--text-secondary);
    white-space: pre-wrap;
    word-break: break-word;
}

.support-detail {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.support-detail-status {
    font-size: 12px;
    color: var(--text-secondary);
}

.support-detail-subject {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.support-detail-body {
    margin: 0;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-tertiary);
    font-family: inherit;
    font-size: 14px;
    color: var(--text-primary);
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 320px;
    overflow: auto;
}

.support-detail-attachments {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.support-detail-thumb {
    display: block;
    width: 72px;
    height: 72px;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.support-detail-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.support-detail-file {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    text-decoration: none;
    font-size: 13px;
}

.support-detail-file-size {
    color: var(--text-muted);
    font-size: 12px;
}

#support-clear-history-btn {
    display: block;
    width: max-content;
    margin-left: auto;
    margin-top: 8px;
    padding: 6px 12px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

#support-clear-history-btn:hover,
#support-clear-history-btn:active {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

/* ==========================================
   Privacy / Malware Scan
   ========================================== */

.privacy-stats {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 14px;
}

.privacy-stat-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    font-size: 13px;
}

.privacy-stat-label {
    color: var(--text-secondary);
}

.privacy-stat-value {
    color: var(--text-primary);
    text-align: right;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.privacy-scan-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.privacy-scan-progress {
    font-size: 12px;
    color: var(--text-secondary);
}

.privacy-detection-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}

.privacy-detection-item:last-child {
    border-bottom: none;
}

.privacy-detection-text {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.privacy-detection-path {
    font-size: 14px;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.privacy-detection-meta {
    font-size: 12px;
    color: var(--text-secondary);
}

.privacy-detection-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.privacy-detection-ignore,
.privacy-detection-delete {
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    background: transparent;
    transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.privacy-detection-ignore {
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.privacy-detection-ignore:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

.privacy-detection-delete {
    border: 1px solid var(--error);
    color: var(--error);
}

.privacy-detection-delete:hover {
    background: rgba(244, 33, 46, 0.1);
}
/* ==========================================
   Upload Panel (bottom-right, Google-Drive style)
   ========================================== */

.upload-panel {
    position: fixed;
    bottom: 16px;
    right: 16px;
    width: 360px;
    max-width: calc(100vw - 32px);
    max-height: 60vh;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.25), 0 2px 6px rgba(0,0,0,0.15);
    z-index: 1100;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: opacity 300ms ease;
}

.upload-panel[hidden] { display: none; }
.upload-panel.upload-panel-fading { opacity: 0; pointer-events: none; }

.upload-panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 12px 12px 16px;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
    background: var(--bg-tertiary);
}

.upload-panel-title-group { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.upload-panel-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.upload-panel-summary {
    font-size: 12px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.upload-panel-actions { display: flex; gap: 4px; flex-shrink: 0; }
.upload-panel-btn {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: 50%;
    color: var(--text-secondary);
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast);
}
.upload-panel-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.upload-panel-collapse svg { transition: transform var(--transition-fast); }
.upload-panel-collapse.rotated svg { transform: rotate(180deg); }

.upload-panel-list {
    list-style: none;
    margin: 0;
    padding: 4px 0;
    overflow-y: auto;
    flex: 1 1 auto;
}
.upload-panel.upload-panel-collapsed .upload-panel-list { display: none; }

.upload-panel-row {
    display: grid;
    grid-template-columns: 32px 1fr 28px;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    transition: background var(--transition-fast);
}
.upload-panel-row:hover { background: var(--bg-hover); }

.upload-panel-row-icon {
    width: 28px;
    height: 28px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
}
.upload-row-progress {
    position: absolute;
    inset: 0;
    margin: auto;
    transform: rotate(-90deg);
}
.upload-row-track {
    fill: none;
    stroke: var(--border-color);
    stroke-width: 3;
}
.upload-row-bar {
    fill: none;
    stroke: var(--blue);
    stroke-width: 3;
    stroke-linecap: round;
    transition: stroke-dashoffset 200ms linear;
}
.upload-row-check, .upload-row-alert { display: none; }

.upload-panel-row.is-success .upload-row-progress { display: none; }
.upload-panel-row.is-success .upload-row-check { display: block; color: var(--success); }
.upload-panel-row.is-error .upload-row-progress,
.upload-panel-row.is-canceled .upload-row-progress { display: none; }
.upload-panel-row.is-error .upload-row-alert { display: block; color: var(--error); }
.upload-panel-row.is-canceled .upload-row-alert { display: block; color: var(--text-muted); }

.upload-panel-row-body { min-width: 0; }
.upload-panel-row-name {
    font-size: 13px;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.upload-panel-row-status {
    font-size: 11px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 2px;
}

.upload-panel-row-cancel {
    width: 28px;
    height: 28px;
    background: transparent;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    cursor: pointer;
    opacity: 0;
    transition: opacity var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
}
.upload-panel-row:hover .upload-panel-row-cancel,
.upload-panel-row:focus-within .upload-panel-row-cancel { opacity: 1; }
.upload-panel-row-cancel:hover { background: var(--bg-hover); color: var(--text-primary); }

.upload-panel-row.is-success .upload-panel-row-cancel,
.upload-panel-row.is-canceled .upload-panel-row-cancel { display: none; }

@media (max-width: 600px) {
    .upload-panel { width: calc(100vw - 16px); right: 8px; bottom: 8px; }
}

.upload-panel-row.is-retrying .upload-row-bar { stroke: var(--warning); }
.upload-panel-row.is-retrying .upload-panel-row-status { color: var(--warning); }

/* ==========================================
   Upload Resume Modal — shown on page reload when there are
   interrupted upload sessions the server still acknowledges.
   ========================================== */

.upload-resume-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: 1200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.upload-resume-modal {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: 0 16px 40px rgba(0,0,0,0.35);
    width: min(440px, 100%);
    padding: 24px;
}

.upload-resume-title {
    margin: 0 0 8px;
    font-size: 18px;
    font-weight: 700;
}

.upload-resume-body {
    margin: 0 0 16px;
    font-size: 14px;
    color: var(--text-secondary);
}

.upload-resume-list {
    list-style: none;
    margin: 0 0 20px;
    padding: 0;
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}
.upload-resume-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-light);
    font-size: 13px;
}
.upload-resume-list li:last-child { border-bottom: none; }
.upload-resume-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
}
.upload-resume-pct {
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
}

.upload-resume-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}
.upload-resume-btn {
    padding: 8px 16px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition-fast), border-color var(--transition-fast);
}
.upload-resume-btn:hover { background: var(--bg-hover); }
.upload-resume-primary {
    background: var(--blue);
    border-color: var(--blue);
    color: #ffffff;
}
.upload-resume-primary:hover {
    filter: brightness(1.08);
}

/* ============================
   Plum Store (Apps section)
   ============================ */

.apps-layout {
    flex: 1;
    display: flex;
    flex-direction: column;
    width: 100%;
    min-width: 0;
    padding: 24px;
}
.apps-header {
    display: flex;
    align-items: center;
    gap: 16px;
    width: 100%;
    flex-wrap: nowrap;
    margin-bottom: 24px;
}
.apps-title {
    flex: 0 0 auto;
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    white-space: nowrap;
}
.apps-search-box {
    flex: 0 1 340px;
    width: 340px;
    max-width: 100%;
}
.apps-pane-store {
    flex: 1;
    width: 100%;
    min-width: 0;
}
.apps-tabs { display: flex; gap: 8px; flex: 1; }
.apps-tab {
    padding: 8px 18px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
    transition: background var(--transition-fast);
}
.apps-tab.active {
    background: var(--accent-color);
    color: var(--accent-on);
    border-color: var(--accent-color);
}
.apps-upload-btn {
    padding: 8px 14px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-primary);
    font-size: 13px;
    cursor: pointer;
}
.apps-upload-btn:hover { background: var(--hover-bg); }

.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    align-items: stretch;
    width: 100%;
}
.apps-empty {
    padding: 72px 24px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
    border: 1px dashed var(--border-color);
    border-radius: 16px;
    grid-column: 1 / -1;
}

.app-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    text-align: left;
    padding: 18px;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    background: var(--bg-secondary);
    transition: border-color var(--transition-fast);
}
.app-card:hover {
    border-color: var(--text-secondary);
}

.app-card-head {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 14px;
}
.app-card-icon {
    width: 56px; height: 56px;
    flex-shrink: 0;
    border-radius: 14px;
    object-fit: cover;
    background: color-mix(in srgb, var(--text-primary) 8%, transparent);
    border: 1px solid var(--border-color);
}
.app-card-icon-placeholder {
    display: flex; align-items: center; justify-content: center;
    font-size: 28px;
}
.app-card-headtext { flex: 1; min-width: 0; }
.app-card-namerow {
    display: flex;
    align-items: center;
    gap: 8px;
}
.app-card-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.app-card-version {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 3px;
}

.app-card-body { flex: 1; }
.app-card-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.app-card-perms {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 2px;
}
.app-card-perm {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 2px 9px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--text-primary) 7%, transparent);
}

.app-card-actions {
    margin-top: auto;
    padding-top: 16px;
    display: flex;
    gap: 8px;
}
.app-card-btn {
    flex: 1;
    padding: 9px 14px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), opacity var(--transition-fast);
}
.app-card-btn:not(.app-card-btn-primary):not(.app-card-btn-danger):hover {
    background: color-mix(in srgb, var(--text-primary) 8%, transparent);
}
.app-card-btn-primary {
    background: var(--accent-color);
    color: var(--bg-primary);
    border-color: var(--accent-color);
}
.app-card-btn-primary:hover:not(:disabled) {
    background: var(--bg-primary);
    color: var(--accent-color);
    border-color: var(--accent-color);
}
.app-card-btn-danger {
    flex: 0 0 auto;
    background: transparent;
    color: var(--error, #e5484d);
    border-color: color-mix(in srgb, var(--error, #e5484d) 45%, transparent);
}
.app-card-btn-danger:hover { background: var(--error, #e5484d); color: #fff; border-color: var(--error, #e5484d); }
.app-card-btn:disabled { opacity: 0.55; cursor: default; }

.app-card-installed-badge {
    flex-shrink: 0;
    padding: 2px 9px;
    border-radius: 999px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--success, #00ba7c);
    background: color-mix(in srgb, var(--success, #00ba7c) 16%, transparent);
}

/* Dark theme: accent is white, so pin Install/Update to black-on-white / white-on-black invert */
[data-theme="dark"] .app-card-btn-primary {
    background: #000000;
    color: #ffffff;
    border-color: #000000;
}
[data-theme="dark"] .app-card-btn-primary:hover:not(:disabled) {
    background: #ffffff;
    color: #000000;
    border-color: #ffffff;
}
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .app-card-btn-primary {
        background: #000000;
        color: #ffffff;
        border-color: #000000;
    }
    :root:not([data-theme="light"]) .app-card-btn-primary:hover:not(:disabled) {
        background: #ffffff;
        color: #000000;
        border-color: #ffffff;
    }
}

/* Settings > Application 관리 — drag-reorder home bar UI.
   Rows piggy-back on the existing .settings-item visual language so the
   page matches the rest of Settings (account, advanced, storage). Only
   the grip + drag affordance + divider line are bespoke. */
.nav-prefs-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: block;
}
.nav-prefs-search-box {
    width: 100%;
    margin: 16px 0;
}
.nav-prefs-item {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    cursor: grab;
    user-select: none;
}
.nav-prefs-item:last-child { border-bottom: none; }
.nav-prefs-item.is-dragging { opacity: 0.4; }
.nav-prefs-item.is-hidden .nav-prefs-name,
.nav-prefs-item.is-hidden .nav-prefs-icon { opacity: 0.6; }
.nav-prefs-item.drag-over-above::before,
.nav-prefs-item.drag-over-below::after,
.nav-prefs-divider.drag-over-above::before,
.nav-prefs-divider.drag-over-below::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-color);
    border-radius: 2px;
}
.nav-prefs-item.drag-over-above::before,
.nav-prefs-divider.drag-over-above::before { top: -1px; }
.nav-prefs-item.drag-over-below::after,
.nav-prefs-divider.drag-over-below::after { bottom: -1px; }
.nav-prefs-grip {
    display: inline-flex;
    align-items: center;
    color: var(--text-secondary);
    cursor: grab;
    flex-shrink: 0;
}
.nav-prefs-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    color: var(--text-primary);
    flex-shrink: 0;
}
.nav-prefs-icon img { width: 20px; height: 20px; object-fit: contain; }
.nav-prefs-name {
    flex: 1;
    font-size: 15px;
    color: var(--text-primary);
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.nav-prefs-uninstall {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    border: 0;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    flex-shrink: 0;
}
.nav-prefs-uninstall:hover { background: var(--hover-bg); color: #e25555; }
.nav-prefs-uninstall.is-disabled { opacity: 0.3; cursor: default; }
.nav-prefs-uninstall.is-disabled:hover { background: transparent; color: var(--text-secondary); }
.nav-prefs-uninstall:disabled { opacity: 0.4; cursor: default; }

.nav-prefs-divider {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 0 10px;
    color: var(--text-secondary);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    user-select: none;
}
.nav-prefs-divider-line {
    flex: 1;
    height: 1px;
    background: var(--border-color);
}
.nav-prefs-divider-label { white-space: nowrap; }

/* Mobile (the .settings-main override flattens groups). Keep the row
   metrics matching .settings-item there too — only the gap shrinks. */
@media (max-width: 768px) {
    .nav-prefs-item { padding: 14px 0; min-height: 48px; }
}

/* ----- Launchpad: full-viewport app grid overlay ----- */
/* The launchpad button piggybacks on .nav-item so it sits inline with
   the pinned-app buttons. .nav-divider-inline draws a hairline before
   it so users see "your pins | all apps" as two visual zones. */
.nav-items {
    display: flex;
    align-items: center;
    gap: 4px;
}
.nav-divider-inline {
    display: inline-block;
    width: 1px;
    height: 20px;
    background: var(--border-color);
    margin: 0 6px;
    flex-shrink: 0;
}
.nav-item-launchpad {
    background: transparent;
    border: 0;
    cursor: pointer;
}
body.launchpad-open .nav-item-launchpad {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}
body.launchpad-open .nav-item-launchpad svg { opacity: 1; }

.launchpad-overlay {
    position: fixed;
    inset: 0;
    z-index: 1500;
    display: flex;
    flex-direction: column;
}
.launchpad-overlay[hidden] { display: none; }
.launchpad-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}
[data-resolved-theme="light"] .launchpad-backdrop {
    background: rgba(255, 255, 255, 0.7);
}
.launchpad-panel {
    position: relative;
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 80px 40px 60px;
    overflow-y: auto;
    z-index: 1;
}
.launchpad-search-wrap {
    align-self: center;
    display: flex;
    align-items: center;
    gap: 10px;
    width: min(420px, 100%);
    padding: 10px 16px;
    border-radius: 999px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    margin-bottom: 48px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}
.launchpad-search-wrap svg {
    color: var(--text-secondary);
    flex-shrink: 0;
}
#launchpad-search {
    flex: 1;
    border: 0;
    background: transparent;
    outline: none;
    color: var(--text-primary);
    font-size: 15px;
}
.launchpad-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 32px 24px;
    width: min(960px, 100%);
    margin: 0 auto;
}
.launchpad-tile {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 12px 6px;
    background: transparent;
    border: 0;
    border-radius: 16px;
    color: var(--text-primary);
    cursor: pointer;
    transition: transform var(--transition-fast), background var(--transition-fast);
}
.launchpad-tile:hover {
    transform: scale(1.06);
    background: rgba(255, 255, 255, 0.08);
}
[data-resolved-theme="light"] .launchpad-tile:hover {
    background: rgba(15, 23, 42, 0.06);
}
.launchpad-tile-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
}
.launchpad-tile-icon img { width: 40px; height: 40px; object-fit: contain; }
.launchpad-tile-icon svg { width: 32px; height: 32px; }
.launchpad-tile-name {
    font-size: 13px;
    text-align: center;
    color: var(--text-primary);
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.launchpad-empty {
    margin-top: 24px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
}

@media (max-width: 640px) {
    .launchpad-panel { padding: 64px 16px 40px; }
    .launchpad-grid {
        grid-template-columns: repeat(auto-fill, minmax(88px, 1fr));
        gap: 24px 16px;
    }
    .launchpad-tile-icon { width: 56px; height: 56px; border-radius: 14px; }
    .launchpad-tile-icon svg { width: 28px; height: 28px; }

    /* Plum Store: keep title + search on one row; search fills remaining width */
    .apps-layout { padding: 16px; }
    .apps-header { gap: 12px; min-width: 0; }
    .apps-title { font-size: 20px; }
    .apps-search-box {
        flex: 1 1 0;
        min-width: 0;
        width: auto;
    }
    .nav-prefs-search-box { width: 100%; }
    .apps-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}