/* ==========================================
   Aid Drive - На базе PWA UI Kit
   Темная тема с современным дизайном
   ========================================== */

/* Подключаем UI Kit */
@import url('../uikit/css/uikit.css');

:root {
    /* Используем переменные из UI Kit */
    --bg-primary: #121417;
    --bg-secondary: #16181C;
    --bg-tertiary: #272729;
    --bg-quaternary: #2e3033;
    
    --text-primary: #ffffff;
    --text-secondary: #DCDDE0;
    --text-tertiary: #84858A;
    --text-muted: #727272;
    
    --accent: #3B82F6;
    --accent-hover: #2266b0;
    --success: #3D9966;
    --error: #DC4E41;
    
    --radius: 24px;
    --radius-sm: 18px;
    --radius-lg: 28px;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    
    --transition: 0.19s ease-in-out;
    --tg-safe-top: 0px;
    --tg-safe-bottom: 0px;
    --tg-viewport-height: 100vh;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
    min-height: var(--tg-viewport-height);
}

body.app-loading {
    visibility: hidden;
}

body.app-loading .share-page {
    display: none !important;
}

/* ==========================================
   SHARE VIEW
   ========================================== */
.share-only {
    overflow: auto;
}

.share-only .file-manager,
.share-only #authScreen {
    display: none !important;
}

.share-page {
    min-height: 100vh;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: var(--bg-primary);
}

.share-only .share-page {
    display: flex;
}

.share-content {
    width: min(520px, 100%);
    text-align: center;
}

.share-file-icon {
    margin: 0 auto 12px;
    width: 72px;
    height: 72px;
    min-width: 72px;
    min-height: 72px;
    max-width: 72px;
    max-height: 72px;
    font-size: 40px;
    border-radius: 16px;
    background: var(--bg-secondary);
}

.share-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    word-break: break-word;
}

.share-size {
    font-size: 14px;
    color: var(--text-tertiary);
    margin-bottom: 18px;
}

.share-progress {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    margin-bottom: 16px;
}

.share-progress.active {
    display: flex;
}

.share-progress-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 999px;
    overflow: hidden;
}

.share-progress-fill {
    height: 100%;
    width: 0%;
    background: var(--accent);
    transition: width 0.2s ease-in-out;
}

.share-progress-block {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.share-progress-label {
    font-size: 12px;
    color: var(--text-tertiary);
    text-align: left;
}

.share-content .button-blue-primary {
    margin-top: 16px;
}

#shareDownloadBtn {
    width: 250px;
    margin-left: auto;
    margin-right: auto;
}

.share-folder-mode #shareDownloadBtn {
    display: none;
}

.share-folder-actions {
    margin-top: 12px;
}

.share-folder-list {
    margin-top: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 45vh;
    overflow-y: auto;
    padding: 8px 4px;
}

.share-folder-note {
    margin-top: 8px;
    font-size: 12px;
    color: var(--text-tertiary);
}

.share-folder-item {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 10px 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    position: relative;
    overflow: hidden;
}

.share-folder-name {
    font-size: 13px;
    color: var(--text-secondary);
    text-align: left;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
}

.share-folder-size {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-right: 8px;
    flex-shrink: 0;
}

.share-folder-actions-row {
    flex-shrink: 0;
}

.share-folder-progress {
    position: absolute;
    inset: 0;
    background: transparent;
    pointer-events: none;
}

.share-folder-progress-fill {
    height: 100%;
    width: 0%;
    background: rgba(16, 185, 129, 0.18);
    transition: width 0.3s ease;
}

.share-folder-item-done .share-folder-progress-fill {
    width: 100%;
}

.share-folder-btn {
    border: none;
    border-radius: 10px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    padding: 6px 10px;
    font-size: 12px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    transition: var(--transition);
}

.share-folder-btn:hover {
    background: var(--bg-quaternary);
}

.share-status {
    margin-top: 12px;
    font-size: 13px;
    color: var(--text-tertiary);
    min-height: 16px;
}

/* Скроллбар */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* ==========================================
   LAYOUT
   ========================================== */
.file-manager {
    height: var(--tg-viewport-height);
    display: flex;
    flex-direction: column;
}

/* ==========================================
   HEADER - Стиль UI Kit
   ========================================== */
.fm-header {
    position: fixed;
    top: var(--tg-safe-top);
    left: 0;
    right: 0;
    height: 56px;
    padding: 0 16px;
    background: var(--bg-primary);
    border-bottom: 0;
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 1000;
}

@media (max-width: 768px) {
    .fm-header {
        height: 104px;
        display: grid;
        grid-template-columns: auto 1fr auto;
        grid-template-rows: auto auto;
        align-items: center;
        padding: 8px 12px 6px;
    }

    #btnBack {
        display: flex;
    }

    .breadcrumb-path {
        order: 3;
        width: 100%;
        flex: 0 0 100%;
        justify-content: flex-start;
        padding: 6px 8px;
        margin-top: 6px;
        flex-wrap: nowrap;
        overflow-x: auto;
        overflow-y: hidden;
        row-gap: 0;
        column-gap: 6px;
        background: var(--bg-secondary);
        border-radius: 14px;
        border: 1px solid rgba(255, 255, 255, 0.06);
        grid-column: 1 / -1;
        grid-row: 2;
    }

    .breadcrumb-item.active {
        text-align: left;
    }

    .breadcrumb-item {
        font-size: 12px;
        padding: 4px 8px;
        border-radius: 10px;
        background: var(--bg-tertiary);
        color: var(--text-secondary);
        white-space: nowrap;
    }

    .fm-header > div:nth-of-type(2) {
        grid-column: 2;
        grid-row: 1;
        justify-self: center;
        max-width: 100%;
        overflow: hidden;
    }

    #btnBack {
        grid-column: 1;
        grid-row: 1;
        justify-self: start;
    }

    #btnLogout {
        grid-column: 3;
        grid-row: 1;
        justify-self: end;
    }

    .btn-icon {
        width: 34px;
        height: 34px;
        min-width: 34px;
        font-size: 16px;
    }

    .btn-icon-tiny {
        width: 28px;
        height: 28px;
        min-width: 28px;
        font-size: 12px;
    }

    #tokenCounter {
        padding: 4px 6px;
        font-size: 11px;
    }

    #tokenCounter i {
        font-size: 10px;
    }
}
.fm-header.is-root #btnBack {
    display: none;
}

.fm-header.is-root,
.fm-header.visible.is-root {
    border-bottom: 0;
}

body.tg-miniapp-active #btnBack {
    display: none !important;
}

.header-hint {
    display: none;
}

.breadcrumb-path {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 4px;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
    cursor: grab;
}

.breadcrumb-path::-webkit-scrollbar {
    display: none;
}

.breadcrumb-path.dragging {
    cursor: grabbing;
}

.breadcrumb-item {
    padding: 6px 12px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-muted);
    background: transparent;
}

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

.breadcrumb-item.active {
    color: var(--text-primary);
    font-weight: 600;
}

.breadcrumb-item.root {
    background: rgba(148, 163, 184, 0.12);
    color: var(--text-secondary);
}

/* ==========================================
   BUTTONS - Из UI Kit
   ========================================== */
.btn-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    background: transparent;
    border: none;
    border-radius: 12px;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: 18px;
    flex-shrink: 0;
}

#btnActionMenu {
    display: none;
}

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

.btn-icon:active {
    background: var(--bg-tertiary);
    transform: scale(0.96);
}

#btnBack:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

/* ==========================================
   CONTENT
   ========================================== */
.fm-content {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    --content-top: calc(56px + var(--tg-safe-top));
    padding-top: var(--content-top);
    background: var(--bg-primary);
    position: relative;
    transition: background 0.18s ease;
}

@media (max-width: 768px) {
    .fm-content {
        --content-top: calc(104px + var(--tg-safe-top));
    }
}

@media (max-width: 520px) {
    #btnNewFolder,
    #btnUpload,
    #btnDownloadShared {
        display: none;
    }

    #btnActionMenu {
        display: flex;
    }
}

/* Token Counter */
#tokenCounter {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 6px 10px;
    font-weight: 600;
    user-select: none;
    color: var(--text-muted);
}

#tokenCounter i {
    opacity: 0.6;
}

#tokenCounter.token-counter-low i {
    opacity: 0.95;
    color: #ffd35c;
}

#tokenCount.token-count-low {
    color: #ffd35c;
    text-shadow: 0 0 10px rgba(255, 211, 92, 0.45);
    animation: tokenCountPulse 1.1s ease-in-out infinite;
}

@keyframes tokenCountPulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.45;
    }
}

/* Tiny icon button for info */
.btn-icon-tiny {
    width: 24px;
    height: 24px;
    min-width: 24px;
    background: transparent;
    border: none;
    border-radius: 8px;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: 14px;
    flex-shrink: 0;
}

.btn-icon-tiny:hover {
    background: var(--bg-secondary);
    color: var(--text-secondary);
}

.btn-icon-tiny:active {
    transform: scale(0.95);
}

/* Badge */
.badge {
    position: absolute;
    top: 6px;
    right: 6px;
    background: var(--error);
    color: white;
    font-size: 10px;
    font-weight: 600;
    min-width: 18px;
    height: 18px;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 5px;
    box-shadow: var(--shadow-sm);
}

.btn-icon.active-badge {
    color: var(--accent);
}

/* Менеджер загрузок - Стиль карточки */
/* ==========================================
   DOWNLOADS BOTTOM PANEL (выдвигающаяся панель снизу)
   ========================================== */
.downloads-bottom-panel {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1100;
    display: none;
}

.downloads-bottom-panel.active {
    display: block;
}

.downloads-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.downloads-bottom-panel.active .downloads-overlay {
    opacity: 1;
    pointer-events: all;
}

.downloads-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    max-height: 70vh;
    background: var(--bg-secondary);
    border-radius: 20px 20px 0 0;
    box-shadow: 0 -4px 32px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-bottom: none;
    display: flex;
    flex-direction: column;
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.downloads-bottom-panel.active .downloads-content {
    transform: translateY(0);
}

.downloads-handle {
    width: 40px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    margin: 12px auto 0;
    cursor: grab;
}

.downloads-header {
    padding: 18px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.downloads-header h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
}

.btn-icon-small {
    width: 36px;
    height: 36px;
    border-radius: 12px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.btn-icon-small:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.downloads-list {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
}

.downloads-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    color: var(--text-tertiary);
}

.downloads-empty i {
    font-size: 56px;
    margin-bottom: 16px;
    opacity: 0.3;
}

/* Download Item - Мини-карточка */
.download-item {
    background: var(--bg-tertiary);
    border-radius: 14px;
    padding: 12px;
    margin-bottom: 8px;
    transition: var(--transition);
}

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

.download-item.completed {
    opacity: 0.5;
}

.download-item.error {
    background: rgba(220, 78, 65, 0.1);
}

.download-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.download-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    font-size: 18px;
}

.download-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

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

.download-type {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
}

.download-status {
    font-size: 11px;
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    gap: 4px;
    font-weight: 500;
}

.download-status.uploading {
    color: var(--accent);
}

.download-status.completed {
    color: var(--success);
}

.download-status.error {
    color: var(--error);
}

.download-progress {
    width: 100%;
    height: 6px;
    background: var(--bg-primary);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 8px;
}

.download-progress-bar {
    height: 100%;
    background: var(--accent);
    width: 0%;
    transition: width 0.3s ease;
}

.download-stats {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--text-tertiary);
    font-weight: 500;
}

/* Drag & Drop */
.fm-content.drag-over {
    background: rgba(59, 130, 246, 0.06);
}

.fm-content::before {
    content: '';
    position: absolute;
    inset: calc(var(--content-top) + 16px) 16px 16px 16px;
    border-radius: 18px;
    border: 2px dashed rgba(96, 165, 250, 0.7);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.12), rgba(14, 165, 233, 0.08));
    box-shadow: 0 0 0 1px rgba(96, 165, 250, 0.15), 0 20px 40px rgba(10, 12, 16, 0.25);
    pointer-events: none;
    z-index: 10;
    opacity: 0;
    transform: scale(0.98);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.fm-content::after {
    content: 'Перетащите файлы сюда';
    position: absolute;
    top: calc(50% + 28px);
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 20px;
    font-weight: 600;
    color: #dbeafe;
    text-align: center;
    text-shadow: 0 2px 10px rgba(2, 6, 23, 0.5);
    pointer-events: none;
    z-index: 11;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.fm-content.drag-over::before,
.fm-content.drag-over::after {
    opacity: 1;
}

.fm-content.drag-over::before {
    transform: scale(1);
}

/* Grid View - Чистый стиль без обводок */
.files-view.grid-view {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 8px;
    padding: 16px;
    padding-bottom: calc(80px + var(--tg-safe-bottom));
}

.files-view.grid-medium {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 10px;
    padding: 18px;
    padding-bottom: calc(80px + var(--tg-safe-bottom));
}

.files-view.grid-large {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 12px;
    padding: 20px;
    padding-bottom: calc(80px + var(--tg-safe-bottom));
}

.files-view.list-view {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 12px 16px calc(80px + var(--tg-safe-bottom));
}

.files-view.list-view .file-item {
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 12px;
}

.files-view.list-view .file-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    min-height: 40px;
    max-width: 40px;
    max-height: 40px;
    font-size: 26px;
    border-radius: 10px;
    --badge-right: 3px;
    --badge-bottom: 3px;
    --badge-font: 8px;
    --badge-pad-y: 2px;
    --badge-pad-x: 4px;
    --badge-radius: 6px;
    --badge-max-width: 40px;
}

.files-view.list-view .file-preview-container {
    width: 40px;
    height: 40px;
}

.files-view.list-view .file-name {
    text-align: left;
    flex: 1;
}

.files-view.list-view .file-info {
    margin-left: auto;
}

/* Выделение областью */
.files-view {
    user-select: none;
    opacity: 1;
    transition: opacity var(--folder-fade-ms, 85ms) ease;
}

.files-view.is-fading-out {
    opacity: 0;
}

.files-view.is-fading-in {
    opacity: 1;
}

.selection-box {
    position: fixed;
    z-index: 1500;
    border: 1px solid rgba(59, 130, 246, 0.7);
    background: rgba(59, 130, 246, 0.15);
    border-radius: 8px;
    display: none;
    pointer-events: none;
}

.file-item.recent-upload .file-icon {
    box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.35);
}

.file-item.recent-upload .file-name {
    color: var(--text-primary);
}

/* File Item - Чистый стиль */
.file-item {
    background: transparent;
    border-radius: 16px;
    padding: 12px 8px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    user-select: none;
}

.file-item.skeleton {
    background: transparent;
    pointer-events: none;
}

.file-item.skeleton .skeleton-block {
    background: linear-gradient(90deg, rgba(255,255,255,0.06), rgba(255,255,255,0.12), rgba(255,255,255,0.06));
    background-size: 200% 100%;
    animation: skeletonPulse 1.4s ease-in-out infinite;
    border-radius: 10px;
}

.file-item.skeleton .file-icon.skeleton-block {
    width: 64px;
    height: 64px;
}

.file-item.skeleton .file-name.skeleton-block {
    width: 80%;
    height: 12px;
}

.file-item.skeleton .file-info.skeleton-block {
    width: 50%;
    height: 10px;
}

@keyframes skeletonPulse {
    0% { background-position: 0% 0; }
    100% { background-position: -200% 0; }
}

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

.file-item:active {
    transform: scale(0.97);
}

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

.file-item.selected .file-name {
    color: var(--accent);
    font-weight: 600;
}

.file-icon {
    font-size: 44px;
    color: var(--icon-color, var(--text-tertiary));
    transition: var(--transition);
    width: 64px;
    height: 64px;
    min-width: 64px;
    min-height: 64px;
    max-width: 64px;
    max-height: 64px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
    background: transparent;
    position: relative;
    --badge-right: 6px;
    --badge-bottom: 6px;
    --badge-font: 10px;
    --badge-pad-y: 4px;
    --badge-pad-x: 6px;
    --badge-radius: 8px;
    --badge-max-width: 56px;
}

.files-view.grid-medium .file-icon {
    width: 72px;
    height: 72px;
    min-width: 72px;
    min-height: 72px;
    max-width: 72px;
    max-height: 72px;
    font-size: 48px;
    --badge-right: 7px;
    --badge-bottom: 7px;
    --badge-font: 11px;
    --badge-pad-y: 4px;
    --badge-pad-x: 7px;
    --badge-radius: 9px;
    --badge-max-width: 64px;
}

.files-view.grid-large .file-icon {
    width: 88px;
    height: 88px;
    min-width: 88px;
    min-height: 88px;
    max-width: 88px;
    max-height: 88px;
    font-size: 56px;
    --badge-right: 8px;
    --badge-bottom: 8px;
    --badge-font: 12px;
    --badge-pad-y: 5px;
    --badge-pad-x: 8px;
    --badge-radius: 10px;
    --badge-max-width: 72px;
}

.files-view.grid-medium .file-name {
    font-size: 12px;
}

.files-view.grid-large .file-name {
    font-size: 13px;
}

.files-view.grid-medium .file-info,
.files-view.grid-large .file-info {
    font-size: 11px;
}

.files-view.files-loading {
    pointer-events: none;
}

.file-item:hover .file-icon {
    background: transparent;
}

/* Контейнер превью */
.file-preview-container {
    background: transparent;
}

.file-preview-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.file-preview-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: 14px;
    display: block;
    user-select: none;
    -webkit-user-drag: none;
    -webkit-user-select: none;
    pointer-events: none;
}

/* Цвета иконок + плашек */
.file-icon.folder { 
    --icon-color: #fcd34d;
    --badge-color: #f59e0b;
}
.file-icon.image { 
    --icon-color: #7dd3fc;
    --badge-color: #0284c7;
}
.file-icon.video { 
    --icon-color: #fda4af;
    --badge-color: #e11d48;
}
.file-icon.audio { 
    --icon-color: #c4b5fd;
    --badge-color: #7c3aed;
}
.file-icon.code { 
    --icon-color: #99f6e4;
    --badge-color: #0f766e;
}
.file-icon.text { 
    --icon-color: #cbd5e1;
    --badge-color: #64748b;
}
.file-icon.pdf {
    --icon-color: #fecaca;
    --badge-color: #dc2626;
}
.file-icon.doc {
    --icon-color: #93c5fd;
    --badge-color: #2563eb;
}
.file-icon.xls {
    --icon-color: #86efac;
    --badge-color: #16a34a;
}
.file-icon.ppt {
    --icon-color: #fdba74;
    --badge-color: #f97316;
}
.file-icon.archive {
    --icon-color: #fde68a;
    --badge-color: #d97706;
}
.file-icon.db {
    --icon-color: #6ee7b7;
    --badge-color: #059669;
}
.file-icon.os-win {
    --icon-color: #bfdbfe;
    --badge-color: #2563eb;
}
.file-icon.os-mac {
    --icon-color: #e2e8f0;
    --badge-color: #64748b;
}
.file-icon.os-linux {
    --icon-color: #fef08a;
    --badge-color: #ca8a04;
}
.file-icon.mobile {
    --icon-color: #bef264;
    --badge-color: #65a30d;
}
.file-icon.security {
    --icon-color: #fecaca;
    --badge-color: #dc2626;
}
.file-icon.design {
    --icon-color: #fbcfe8;
    --badge-color: #db2777;
}
.file-icon.three {
    --icon-color: #5eead4;
    --badge-color: #0f766e;
}
.file-icon.cad {
    --icon-color: #fdba74;
    --badge-color: #b45309;
}
.file-icon.mail {
    --icon-color: #bae6fd;
    --badge-color: #0284c7;
}
.file-icon.game {
    --icon-color: #f0abfc;
    --badge-color: #c026d3;
}
.file-icon.system {
    --icon-color: #e2e8f0;
    --badge-color: #64748b;
}

.file-ext-badge {
    position: absolute;
    right: var(--badge-right);
    bottom: var(--badge-bottom);
    background: var(--badge-color, var(--accent));
    color: #ffffff;
    font-size: var(--badge-font);
    line-height: 1;
    padding: var(--badge-pad-y) var(--badge-pad-x);
    border-radius: var(--badge-radius);
    text-transform: uppercase;
    max-width: var(--badge-max-width);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.18);
    pointer-events: none;
}

.file-share-badge {
    position: absolute;
    top: 6px;
    left: 6px;
    width: 18px;
    height: 18px;
    border-radius: 6px;
    background: rgba(59, 130, 246, 0.9);
    color: #fff;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.18);
    pointer-events: none;
}

.file-name {
    font-size: 12px;
    font-weight: 500;
    width: 100%;
    line-height: 1.3;
    text-align: center;
    transition: var(--transition);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-secondary);
}

.file-item:hover .file-name {
    color: var(--text-primary);
}

.file-info {
    font-size: 10px;
    color: var(--text-muted);
    font-weight: 500;
}

.form-hint {
    margin-top: 6px;
    font-size: 12px;
    color: var(--text-secondary);
}

#formModal.rename-modal .modal-content {
    border: 1px solid rgba(99, 102, 241, 0.3);
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.55);
}

#formModal.rename-modal .modal-header h3 {
    font-size: 18px;
    font-weight: 700;
}

#formModal.rename-modal .form-group label {
    font-size: 13px;
    color: var(--text-secondary);
}

#formModal.rename-modal #formModalInput {
    font-size: 15px;
    padding: 12px 14px;
    border-radius: 12px;
    background: rgba(15, 23, 42, 0.4);
}

#formModal.rename-modal .modal-footer {
    gap: 10px;
}

#formModal.rename-modal .modal-body {
    overflow-y: hidden;
}

.file-tooltip {
    position: fixed;
    z-index: 2000;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 8px 10px;
    border-radius: 10px;
    font-size: 12px;
    line-height: 1.4;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.15s ease, transform 0.15s ease;
    pointer-events: none;
    max-width: 280px;
}

.file-tooltip.visible {
    opacity: 1;
    transform: translateY(0);
}

.file-tooltip .tooltip-title {
    font-weight: 600;
    margin-bottom: 4px;
}

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

/* Empty State */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 20px;
    color: var(--text-tertiary);
    min-height: 400px;
    grid-column: 1 / -1;
}

.empty-state i {
    font-size: 72px;
    margin-bottom: 20px;
    opacity: 0.3;
}

.empty-state p {
    font-size: 16px;
    font-weight: 500;
}

/* ==========================================
   DROPDOWN MENU
   ========================================== */
.dropdown-menu {
    position: fixed;
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 6px;
    display: flex;
    flex-direction: column;
    min-width: 200px;
    z-index: 1100;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(6px) scale(0.98);
    transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
}

.dropdown-menu.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0) scale(1);
}

.dropdown-item {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 10px 14px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    text-align: left;
    width: 100%;
}

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

.dropdown-item:active {
    transform: scale(0.97);
}

.dropdown-item i {
    font-size: 16px;
    width: 18px;
    color: var(--text-muted);
}

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

.dropdown-divider {
    height: 1px;
    margin: 6px 4px;
    background: rgba(255, 255, 255, 0.06);
}

/* ==========================================
   SORT MENU
   ========================================== */
.sort-menu {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 12px;
    display: none;
    flex-direction: column;
    gap: 6px;
    z-index: 1200;
    border-radius: 20px 20px 0 0;
}

.sort-menu.active {
    display: flex;
}

.sort-option {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 12px 16px;
    border-radius: 14px;
    text-align: left;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.sort-option:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.sort-option.active {
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent);
    font-weight: 600;
}

.sort-option.active::after {
    content: '✓';
    float: right;
}

/* ==========================================
   AUTH SCREEN
   ========================================== */
.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: 9999;
    padding: 20px;
}

.auth-screen.hidden {
    display: none;
}

.auth-container {
    width: 100%;
    max-width: 360px;
}

.auth-title {
    font-size: 39px;
    font-weight: 700;
    color: #e4e4e4;
    text-align: center;
    margin: 0 0 64px 0;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    color: var(--text-primary);
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition);
    font-family: inherit;
}

.form-input:focus {
    outline: none;
    border-color: rgba(59, 130, 246, 0.4);
    background: var(--bg-tertiary);
}

.form-group-checkbox {
    margin-bottom: 24px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-tertiary);
    font-weight: 500;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--accent);
}

.auth-progress {
    margin-top: 20px;
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: 18px;
}

.progress-bar {
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 10px;
}

.progress-fill {
    height: 100%;
    background: var(--accent);
    width: 0%;
    transition: width 0.3s ease;
}

.progress-text {
    font-size: 13px;
    color: var(--text-tertiary);
    font-weight: 500;
}

.text-warning {
    color: #f59e0b !important;
}

.btn-link {
    background: none;
    border: none;
    color: var(--accent);
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    padding: 8px 12px;
    text-decoration: none;
    transition: var(--transition);
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-link:hover {
    background: rgba(59, 130, 246, 0.1);
}

/* Стили для модалок с информацией */
#infoModal .modal-body,
#tokensInfoModal .modal-body {
    text-align: left;
    font-size: 14px;
    line-height: 1.65;
}

#infoModal .modal-body p,
#tokensInfoModal .modal-body p {
    margin-bottom: 12px;
    color: var(--text-secondary);
    font-weight: 400;
}

#infoModal .modal-body p:last-child,
#tokensInfoModal .modal-body p:last-child {
    margin-bottom: 0;
}

#infoModal .modal-body .text-warning,
#tokensInfoModal .modal-body .text-warning {
    font-size: 13px;
}

#tokensInfoModal .modal-body ul {
    padding-left: 20px;
    margin: 0 0 12px 0;
}

#tokensInfoModal .modal-body li {
    margin-bottom: 6px;
    color: var(--text-secondary);
}

/* ==========================================
   MODALS
   ========================================== */
.modal {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: calc(20px + var(--tg-safe-top)) 20px calc(20px + var(--tg-safe-bottom));
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.modal.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

#infoModal,
#tokensInfoModal {
    z-index: 10001;
}

#previewModal {
    padding: 0;
}

.modal-content {
    background: var(--bg-secondary);
    border-radius: 18px;
    width: 100%;
    max-width: 600px;
    max-height: calc(var(--tg-viewport-height) - var(--tg-safe-top) - var(--tg-safe-bottom) - 40px);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    border: none;
    overflow: hidden;
    transform: translateY(8px) scale(0.98);
    transition: transform 0.2s ease;
}

.modal.active .modal-content {
    transform: translateY(0) scale(1);
}

.modal-large {
    max-width: 90vw;
    max-height: 95vh;
}

/* Полноэкранное превью */
#previewModal .preview-shell {
    position: relative;
    width: 100vw;
    height: var(--tg-viewport-height);
    background: radial-gradient(80% 80% at 50% 20%, rgba(70, 90, 130, 0.25) 0%, rgba(16, 18, 23, 0.9) 45%, rgba(10, 12, 16, 0.96) 100%);
    overflow: hidden;
}

#previewModal .preview-stage {
    position: absolute;
    inset: 0;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

#previewModal.preview-scrollable .preview-stage {
    overflow: auto;
    align-items: flex-start;
    justify-content: center;
    padding: 0;
    border: 0;
}

@media (max-width: 768px) {
    .modal {
        padding-top: calc(30px + var(--tg-safe-top));
        padding-bottom: calc(30px + var(--tg-safe-bottom));
    }

    .modal-content {
        max-height: calc(var(--tg-viewport-height) - var(--tg-safe-top) - var(--tg-safe-bottom) - 60px);
    }

    #previewModal {
        padding: calc(10px + var(--tg-safe-top)) 10px calc(10px + var(--tg-safe-bottom));
    }

    #previewModal .preview-shell {
        width: 100%;
        height: calc(var(--tg-viewport-height) - var(--tg-safe-top) - var(--tg-safe-bottom) - 20px);
        border-radius: 14px;
    }

    #previewModal.preview-scrollable .preview-stage {
        padding: 10px 0;
    }
}

#previewModal,
#previewModal .preview-shell,
#previewModal .preview-stage,
#previewContent,
.preview-text-wrap,
.preview-docx-wrap,
.preview-sheet-wrap,
#pdfViewer,
.pdf-text-layer {
    user-select: text !important;
    -webkit-user-select: text !important;
}

#previewModal .preview-close {
    position: absolute;
    top: calc(20px + var(--tg-safe-top));
    right: 24px;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(0, 0, 0, 0.35);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
}

#previewModal .preview-close:hover {
    background: rgba(0, 0, 0, 0.55);
}

#previewModal .preview-bottom {
    position: absolute;
    left: 24px;
    right: 24px;
    bottom: calc(18px + var(--tg-safe-bottom));
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    z-index: 6;
}

#previewModal .preview-meta {
    display: flex;
    flex-direction: column;
    gap: 6px;
    color: #e5e7eb;
    max-width: 65%;
}

#previewModal .preview-file-name {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

#previewModal .preview-file-meta {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
}

#previewModal .preview-actions {
    display: flex;
    gap: 10px;
}

#previewModal .preview-action-btn {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.35);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

#previewModal .preview-action-btn:hover {
    background: rgba(0, 0, 0, 0.55);
}

.modal-small {
    max-width: 360px;
}

.modal-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 6px;
}

.modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 16px 18px;
}

.preview-loading,
.preview-error,
.preview-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 85px 40px;
    min-height: 360px;
    width: 100%;
    border-radius: 18px;
    background: transparent;
    border: none;
    box-sizing: border-box;
}

.preview-loading {
    gap: 0;
}

#previewModal.preview-scrollable .preview-stage .preview-loading,
#previewModal.preview-scrollable .preview-stage .preview-error,
#previewModal.preview-scrollable .preview-stage .preview-icon {
    margin: auto;
}

@property --preview-progress {
    syntax: '<percentage>';
    inherits: false;
    initial-value: 0%;
}

.preview-loading-circle {
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: conic-gradient(var(--accent) 0% var(--preview-progress), rgba(255, 255, 255, 0.12) var(--preview-progress));
    -webkit-mask: radial-gradient(circle at center, transparent 58%, #000 59%);
    mask: radial-gradient(circle at center, transparent 58%, #000 59%);
}

.preview-icon .preview-unavailable {
    margin-bottom: 18px;
}

.preview-icon .preview-download {
    margin: 0 auto;
}

.preview-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: none;
    background: rgba(15, 17, 22, 0.7);
    backdrop-filter: blur(6px);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    opacity: 0.15;
    z-index: 5;
}

.preview-nav-btn:hover {
    background: rgba(15, 17, 22, 0.9);
    opacity: 1;
}

.preview-nav-left {
    left: 20px;
}

.preview-nav-right {
    right: 20px;
}

@media (max-width: 640px) {
    .preview-nav-btn {
        width: 32px;
        height: 32px;
    }
    .preview-nav-left {
        left: 10px;
    }
    .preview-nav-right {
        right: 10px;
    }
}

.preview-text-wrap {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    height: 100%;
    overflow: auto;
    background: var(--bg-secondary);
    padding: 65px 70px;
    border-radius: 12px;
    box-sizing: border-box;
}

.preview-docx-wrap {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    overflow-y: auto;
    background: transparent;
    color: var(--text-primary);
    padding: 85px 0;
    border-radius: 0;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.preview-docx-wrap .docx-wrapper,
.preview-docx-wrap .docx {
    background: transparent !important;
    padding: 0 15px !important;
    overflow: auto !important;
    margin-bottom: 0 !important;
}

.preview-docx-wrap section {
    background: transparent !important;
    box-shadow: none !important;
    margin-bottom: 18px;
    width: 100% !important;
    max-width: none !important;
    padding: 16px !important;
    box-sizing: border-box;
    border: 0;
    border-radius: 0;
}


.preview-docx-wrap p,
.preview-docx-wrap span,
.preview-docx-wrap div,
.preview-docx-wrap li,
.preview-docx-wrap td,
.preview-docx-wrap th {
    color: var(--text-primary) !important;
    background: transparent !important;
}

.preview-docx-wrap [style*="width"] {
    width: 100% !important;
    max-width: 100% !important;
}

.preview-docx-wrap [style*="height"] {
    height: auto !important;
    max-height: none !important;
}

.preview-docx-wrap table {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box;
}

.preview-docx-wrap img,
.preview-docx-wrap svg,
.preview-docx-wrap canvas {
    width: 100% !important;
    max-width: none !important;
    height: auto !important;
    display: block;
    margin: 12px 0;
}

.preview-pptx-wrap {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    height: 100%;
    overflow: auto;
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 24px 20px;
    border-radius: 12px;
    box-sizing: border-box;
}

.preview-pptx-wrap #pptxViewer {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
}

.preview-pptx-wrap .slide {
    transform: scale(var(--pptx-scale, 1));
    transform-origin: top left;
    margin: 0 auto;
    border-radius: 12px;
    border-color: rgba(255, 255, 255, 0.12);
}

.preview-pptx-wrap .slides-toolbar {
    width: 100% !important;
    max-width: 100% !important;
    padding: 10px 14px !important;
    box-sizing: border-box;
    display: flex !important;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border-radius: 14px;
    position: sticky;
    top: 12px;
    z-index: 6;
    backdrop-filter: blur(8px);
}

.preview-pptx-wrap .slides-toolbar img {
    width: 28px;
    height: 28px;
    padding: 6px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    opacity: 0.85 !important;
    transition: var(--transition);
}

.preview-pptx-wrap .slides-toolbar img:hover {
    opacity: 1 !important;
    background: rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.5);
}

.preview-pptx-wrap #slides-full-screen {
    display: none !important;
}

.preview-pptx-wrap #slides-play-pause {
    display: none !important;
}

.preview-pptx-wrap #slides-slide-num,
.preview-pptx-wrap #slides-total-slides-num,
.preview-pptx-wrap #slides-slides-num-separator {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
}

.preview-sheet-wrap {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    height: 100%;
    overflow: hidden;
    background: transparent;
    color: var(--text-primary);
    padding: 65px 70px;
    border-radius: 0;
    box-sizing: border-box;
}

.preview-sheet-tabs {
    display: flex;
    gap: 8px;
    flex-wrap: nowrap;
    margin-bottom: 16px;
    position: sticky;
    top: 0;
    z-index: 2;
    background: transparent;
    padding: 8px 0 10px;
    overflow-x: auto;
    scrollbar-width: none;
}

.preview-sheet-tabs::-webkit-scrollbar {
    display: none;
}

.preview-sheet-tab {
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(15, 17, 22, 0.6);
    color: var(--text-primary);
    padding: 6px 12px;
    border-radius: 10px;
    font-size: 12px;
    cursor: pointer;
    transition: var(--transition);
}

.preview-sheet-tab.active {
    border-color: rgba(96, 165, 250, 0.6);
    background: rgba(59, 130, 246, 0.2);
}

.preview-sheet-panel {
    display: none;
    overflow: auto;
    max-height: calc(100vh - 240px);
    padding-bottom: 40px;
}

.preview-sheet-panel.active {
    display: block;
}

.preview-text {
    margin: 0;
    white-space: pre-wrap;
    word-break: break-word;
    overflow-wrap: anywhere;
    color: var(--text-primary);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

@media (max-width: 640px) {
    .preview-text-wrap {
        padding: 65px 70px;
    }
    .preview-docx-wrap {
        padding: 20px 16px;
        max-width: 100%;
    }
    .preview-sheet-wrap {
        padding: 65px 40px;
    }
    .tg-volume {
        display: none;
    }
}

.audio-player {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 85px;
    min-width: 400px;
}

.preview-loading i {
    font-size: 56px;
    color: var(--accent);
    margin-bottom: 24px;
}

.pdf-page {
    position: relative;
    margin: 0 auto;
}

.pdf-text-layer {
    position: absolute;
    inset: 0;
    color: transparent;
    transform-origin: 0 0;
}

.pdf-text-layer span {
    color: transparent;
    position: absolute;
    white-space: pre;
    transform-origin: 0 0;
}

#previewContent img,
#previewContent video {
    max-width: 100%;
    max-height: 78vh;
    border-radius: 18px;
    box-shadow: none;
    transition: transform 0.2s ease;
    background: transparent;
}

#previewContent img {
    cursor: zoom-in;
}

/* Telegram-like player */
.tg-player {
    width: min(980px, 86vw);
    background: rgba(10, 12, 16, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 18px;
    padding: 14px 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    box-shadow: none;
}

.tg-player .tg-media {
    width: 100%;
    border-radius: 14px;
    overflow: hidden;
    background: #000;
    position: relative;
    aspect-ratio: 16 / 9;
    min-height: 220px;
}

.tg-player .tg-media video,
.tg-player .tg-media .video-js {
    display: block;
    width: 100%;
    height: 100%;
    max-height: 70vh;
    object-fit: contain;
}

.tg-controls {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto auto auto;
    align-items: center;
    gap: 12px;
}

.tg-volume {
    display: flex;
    align-items: center;
    gap: 6px;
}

@media (max-width: 768px) {
    .tg-volume {
        display: none;
    }
}

.tg-volume-range {
    width: 76px;
}

.tg-volume-range,
.tg-progress-range {
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 999px;
    outline: none;
}

.tg-volume-range::-webkit-slider-thumb,
.tg-progress-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid rgba(0, 0, 0, 0.35);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.35);
}

.tg-volume-range::-moz-range-thumb,
.tg-progress-range::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid rgba(0, 0, 0, 0.35);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.35);
}

.tg-volume-range::-moz-range-track,
.tg-progress-range::-moz-range-track {
    height: 6px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 999px;
}

.tg-btn {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    border: none;
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.tg-fullscreen {
    margin-left: auto;
}

.tg-btn:hover {
    background: rgba(255, 255, 255, 0.16);
}

.tg-btn.is-buffering {
    cursor: default;
    background: rgba(255, 255, 255, 0.12);
}

.tg-progress {
    position: relative;
    height: 6px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 999px;
    overflow: hidden;
}

.tg-buffer-fill {
    position: absolute;
    inset: 0;
    width: 0%;
    background: rgba(255, 255, 255, 0.25);
}

.tg-progress-fill {
    position: absolute;
    inset: 0;
    width: 0%;
    background: rgba(255, 255, 255, 0.9);
}

.tg-progress-range {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.tg-time {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.8);
    text-align: center;
    max-width: fit-content;
}

.tg-buffering {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.4);
    color: #fff;
    font-size: 14px;
    gap: 8px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.tg-buffering.active {
    opacity: 1;
}

.tg-audio {
    width: min(720px, 86vw);
    border-radius: 20px;
    position: relative;
    overflow: hidden;
    background: #0b0f14;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: none;
}

.tg-audio-bg {
    position: absolute;
    inset: -20%;
    background: var(--audio-glow, linear-gradient(120deg, rgba(59,130,246,0.35), rgba(34,197,94,0.35), rgba(168,85,247,0.35)));
    filter: blur(16px);
    animation: audioGlow 14s ease-in-out infinite;
    will-change: transform;
}

@keyframes audioGlow {
    0% { transform: translateX(-6%) scale(1.03); }
    50% { transform: translateX(4%) scale(1.08); }
    100% { transform: translateX(-6%) scale(1.03); }
}

.tg-audio-content {
    position: relative;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 18px 12px;
    z-index: 1;
}

.tg-audio-cover {
    width: 72px;
    height: 72px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}

.tg-audio-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tg-audio-meta {
    display: flex;
    flex-direction: column;
    gap: 6px;
    color: #fff;
}

.tg-audio-title {
    font-size: 16px;
    font-weight: 600;
}

.tg-audio-subtitle {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.8);
}

.tg-audio .tg-controls {
    position: relative;
    padding: 0 18px 16px;
    z-index: 1;
    grid-template-columns: auto 1fr auto auto;
}

#sheetPreview,
[id^="sheetPreview_"] {
    width: 100%;
}

[id^="sheetPreview_"] table,
#sheetPreview table {
    border-collapse: collapse;
    width: 100%;
    table-layout: fixed;
}

[id^="sheetPreview_"] th,
[id^="sheetPreview_"] td,
#sheetPreview th,
#sheetPreview td {
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 6px 8px;
    font-size: 13px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-primary);
    background: transparent;
}

.modal-footer {
    padding: 12px 18px 16px;
    border-top: none;
    flex-shrink: 0;
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

.modal-message {
    font-size: 14px;
    color: var(--text-primary);
    line-height: 1.5;
    text-align: center;
    margin-bottom: 12px;
}

.modal-message .modal-filename {
    display: inline-block;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    vertical-align: bottom;
}

/* Share link modal polish */
#formModal.share-link-modal .modal-content {
    max-width: 460px;
}

#formModal.share-link-modal .modal-body {
    padding: 18px 20px 14px;
}

#formModal.share-link-modal .modal-title {
    margin-bottom: 10px;
}

#formModal.share-link-modal .modal-message {
    margin: 0 0 10px;
    min-height: 20px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
}

#formModal.share-link-modal .modal-message.is-success {
    color: #5fd08b;
}

#formModal.share-link-modal .modal-message.is-error {
    color: #ff7b7b;
}

#formModal.share-link-modal #formModalLabel {
    margin-bottom: 6px;
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
}

#formModal.share-link-modal #formModalHint {
    margin-top: 8px;
    font-size: 12px;
    font-weight: 600;
}

#formModal.share-link-modal #formModalHint.share-status-public {
    color: #5fd08b;
}

#formModal.share-link-modal #formModalHint.share-status-private {
    color: #ff9a9a;
}

#formModal.share-link-modal #formModalInput {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.1);
    font-size: 15px;
    font-weight: 600;
    border-radius: 12px;
}

#formModal.share-link-modal .modal-footer {
    padding: 10px 20px 18px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

#formModal.share-link-modal .modal-footer > button {
    width: 100%;
    min-height: 44px;
    max-height: 44px;
    border-radius: 16px;
    font-size: 14px;
}

#formModal.share-link-modal #formModalCancel {
    grid-column: 1 / -1;
}

#formModal.share-link-modal .share-revoke-btn {
    border: 1px solid rgba(239, 68, 68, 0.26);
    background: rgba(239, 68, 68, 0.08);
    color: #ff8f8f;
    justify-content: center;
    font-weight: 600;
    padding: 0 12px;
}

#formModal.share-link-modal .share-revoke-btn:hover {
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.38);
}

#formModal.share-link-modal .share-revoke-btn.is-disabled,
#formModal.share-link-modal .share-revoke-btn:disabled {
    opacity: 0.7;
    cursor: default;
    pointer-events: none;
}

#formModal.share-link-modal.share-single-action .modal-footer {
    grid-template-columns: 1fr;
}

#formModal.share-link-modal.share-single-action #formModalSubmit {
    grid-column: 1 / -1;
}

@media (max-width: 520px) {
    #formModal.share-link-modal .modal-content {
        max-width: 100%;
    }

    #formModal.share-link-modal .modal-footer {
        grid-template-columns: 1fr;
    }
}

body.tg-miniapp-active #formModal .btn-icon,
body.tg-miniapp-active #settingsModal .btn-icon,
body.tg-miniapp-active #infoModal .btn-icon,
body.tg-miniapp-active #tokensInfoModal .btn-icon,
body.tg-miniapp-active #previewModal .preview-close {
    display: none;
}

/* ==========================================
   CONTEXT MENU
   ========================================== */
.context-menu {
    position: fixed;
    background: var(--bg-secondary);
    border-radius: 16px;
    min-width: 200px;
    z-index: 2000;
    display: block;
    padding: 6px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(6px) scale(0.98);
    transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
}

.context-menu.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0) scale(1);
}

.context-menu ul {
    list-style: none;
}

.context-menu li {
    padding: 10px 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 10px;
    transition: var(--transition);
    color: var(--text-secondary);
}

.context-menu li:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.context-menu li:active {
    transform: scale(0.97);
}

.context-menu li.divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.05);
    margin: 4px 0;
    padding: 0;
}

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

.context-menu li.danger:hover {
    background: rgba(220, 78, 65, 0.1);
}

.context-menu li i {
    width: 16px;
    font-size: 16px;
    color: var(--text-muted);
}

/* Upload Progress */
.upload-progress {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 2000;
}

.upload-progress-content {
    background: var(--bg-secondary);
    border-radius: 20px;
    padding: 20px;
    min-width: 300px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.upload-progress-content i {
    font-size: 32px;
    color: var(--accent);
    display: block;
    margin-bottom: 14px;
}

.upload-progress-bar {
    width: 100%;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 10px;
}

.upload-progress-fill {
    height: 100%;
    background: var(--accent);
    transition: width 0.3s ease;
}

.upload-progress-text {
    font-size: 13px;
    color: var(--text-tertiary);
    font-weight: 500;
}

/* ==========================================
   UTILITIES
   ========================================== */
.hidden {
    display: none !important;
}

.spinner {
    border: 3px solid var(--bg-tertiary);
    border-top: 3px solid var(--accent);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    animation: spin 0.8s linear infinite;
    margin: 40px auto;
}

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

/* Code editor */
.code-editor {
    width: 100%;
    min-height: 400px;
    padding: 16px;
    background: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 14px;
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.6;
    resize: vertical;
    transition: var(--transition);
}

.code-editor:focus {
    outline: none;
    border-color: rgba(59, 130, 246, 0.5);
    background: var(--bg-quaternary);
}

/* ==========================================
   MOBILE
   ========================================== */
@media (max-width: 768px) {
    .fm-header {
        padding: 0 12px;
        gap: 6px;
    }
    
    .btn-icon {
        width: 36px;
        height: 36px;
        min-width: 36px;
    }
    
    .breadcrumb-item {
        font-size: 13px;
        padding: 5px 10px;
    }
    
    .files-view.grid-view {
        grid-template-columns: repeat(auto-fill, minmax(95px, 1fr));
        gap: 6px;
        padding: 12px;
        padding-bottom: 80px;
    }
    
    .file-item {
        padding: 10px 6px;
    }
    
    .file-icon {
        font-size: 38px;
        width: 56px;
        height: 56px;
        min-width: 56px;
        min-height: 56px;
        max-width: 56px;
        max-height: 56px;
    }
    
    .file-name {
        font-size: 11px;
    }
    
    .modal-content {
        max-width: 100%;
        border-radius: 18px;
        max-height: 90vh;
    }
    
    .downloads-content {
        max-height: 80vh;
        border-radius: 16px 16px 0 0;
    }
    
    .downloads-handle {
        width: 48px;
        height: 5px;
    }
}

@media (max-width: 480px) {
    .files-view.grid-view {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
        gap: 4px;
        padding: 8px;
        padding-bottom: 80px;
    }
    
    .file-item {
        padding: 8px 4px;
    }
    
    .file-icon {
        font-size: 34px;
        width: 48px;
        height: 48px;
        min-width: 48px;
        min-height: 48px;
        max-width: 48px;
        max-height: 48px;
    }
    
    .file-name {
        font-size: 10px;
    }
}

/* ==========================================
   MINI UPLOAD INDICATOR (внизу по центру)
   ========================================== */
.mini-upload-indicator {
    position: fixed;
    bottom: calc(20px + var(--tg-safe-bottom));
    left: 50%;
    transform: translateX(-50%);
    z-index: 900;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.mini-upload-indicator.active {
    display: block;
    opacity: 1;
    animation: slideUpFadeIn 0.4s ease;
}

@keyframes slideUpFadeIn {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.mini-upload-content {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.08);
    cursor: pointer;
    min-width: 0;
    width: min(500px, 90vw);
    max-width: 500px;
    transition: all 0.2s ease;
}

.mini-upload-content:hover {
    background: var(--bg-tertiary);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
    animation: bounce 0.6s ease;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(-4px);
    }
    50% {
        transform: translateY(-8px);
    }
}

.mini-upload-content:active {
    transform: translateY(-2px) scale(0.98);
}

.mini-upload-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    background: rgba(59, 130, 246, 0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 18px;
}

.mini-upload-icon i {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.6;
    }
}

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

.mini-upload-text {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 6px;
}

.mini-upload-text span:first-child {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
}

.mini-upload-stats {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
    white-space: nowrap;
}

.mini-upload-progress-bar {
    width: 100%;
    height: 4px;
    background: var(--bg-quaternary);
    border-radius: 2px;
    overflow: hidden;
}

.mini-upload-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), #60a5fa);
    border-radius: 2px;
    transition: width 0.3s ease;
    width: 0%;
}

.mini-upload-expand {
    width: 32px;
    height: 32px;
    min-width: 32px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 14px;
    transition: all 0.2s ease;
}

.mini-upload-content:hover .mini-upload-expand {
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent);
    transform: scale(1.1);
}

/* Мобильная адаптация */
@media (max-width: 768px) {
    .mini-upload-indicator {
        bottom: 16px;
        left: 16px;
        right: 16px;
        transform: none;
    }
    
    .mini-upload-indicator.active {
        animation: slideUpFadeInMobile 0.4s ease;
    }
    
    @keyframes slideUpFadeInMobile {
        from {
            opacity: 0;
            transform: translateY(20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    .mini-upload-content {
        min-width: auto;
        max-width: none;
        width: 100%;
    }
    
    .mini-upload-text span:first-child {
        max-width: 150px;
    }
}