/* ============================================================================
   Files Module - Minimalistic Design
   ============================================================================ */

.files-container {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.files-container-content {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 24px;
    box-sizing: border-box;
    overscroll-behavior: contain;
}

/* ============================================================================
   Files Workspace Layout
   ============================================================================ */

.files-workspace {
    display: flex;
    height: 100%;
    min-height: 0;
    width: 100%;
}

/* ============================================================================
   Files Sidebar - shared todo/notes sidebar pattern
   ============================================================================ */

.files-sidebar-item-icon.has-color {
    background: var(--icon-bg-color, var(--hover));
}

.files-sidebar-item-icon.has-color svg {
    color: white;
}

.files-sidebar-item-icon.has-color .workspace-icon-emoji {
    color: white;
}

.files-sidebar-item-count:empty {
    display: none;
}

.files-sidebar-item-actions {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.files-sidebar-item-action-btn {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 6px;
    background: transparent;
    color: var(--text-color-secondary);
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.files-sidebar-item-action-btn:focus {
    opacity: 1;
    outline: none;
}

.files-sidebar-item-action-btn:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 1px;
}

@media (hover: hover) and (pointer: fine) {
    .files-sidebar-item:hover .files-sidebar-item-action-btn,
    .files-sidebar-item:has(.files-folder-ctx-menu) .files-sidebar-item-action-btn {
        opacity: 1;
    }

    .files-sidebar-item-action-btn:hover {
        background: var(--hover);
        color: var(--text-color);
    }
}

@media (hover: none), (pointer: coarse) {
    .files-sidebar-item-action-btn {
        opacity: 1;
    }
}

.files-sidebar-item-action-btn svg {
    width: 16px;
    height: 16px;
}

.files-sidebar-divider {
    height: 1px;
    background: var(--border-color);
    margin: 8px 4px;
}

.files-sidebar-section-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-color-tertiary);
    padding: 8px 12px 4px;
    letter-spacing: 0.5px;
}

/* ============================================================================
   Drag and Drop States
   ============================================================================ */

/* File item being dragged */
.file-item.dragging {
    opacity: 0.5;
    transform: scale(0.98);
}

.file-item[draggable="true"]:active {
    cursor: grabbing;
}

/* Sidebar folder drop target states */
.files-sidebar-item.drop-target {
    background: var(--primary-color-alpha, rgba(99, 102, 241, 0.15));
    outline: 2px dashed var(--primary-color, #6366f1);
    outline-offset: -2px;
    transform: scale(1.02);
    transition: all 0.15s ease;
}

.files-sidebar-item.drop-target .files-sidebar-item-icon {
    transform: scale(1.1);
    transition: transform 0.15s ease;
}

/* Drop indicator animation */
.files-sidebar-item.drop-target::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 8px;
    background: linear-gradient(90deg, transparent, var(--primary-color-alpha, rgba(99, 102, 241, 0.1)), transparent);
    animation: dropPulse 1s ease-in-out infinite;
    pointer-events: none;
}

/* Drag ghost styling */
.file-drag-ghost {
    position: fixed;
    pointer-events: none;
    z-index: 10000;
    padding: 8px 12px;
    background: var(--bg-normal-elevated, var(--background));
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--admin-shadow, 0 8px 24px rgba(0, 0, 0, 0.15));
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-color);
    max-width: 200px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-drag-ghost img {
    width: 16px;
    height: 16px;
}

/* Sidebar visual hint when dragging a file */
.files-sidebar.has-dragging-file .files-sidebar-item {
    transition: all 0.15s ease;
}

.files-sidebar.has-dragging-file .files-sidebar-item:not(.drop-target) {
    opacity: 0.7;
}

@media (hover: hover) and (pointer: fine) {
    .files-sidebar.has-dragging-file .files-sidebar-item:hover:not(.drop-target) {
        opacity: 1;
    }
}
@media (hover: none), (pointer: coarse) {
    .files-sidebar.has-dragging-file .files-sidebar-item:not(.drop-target) {
        opacity: 1;
    }
}

/* ============================================================================
   Files Main Content
   ============================================================================ */

.files-main-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    gap: 16px;
}

.files-main-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
    height: 28px;
}

.files-main-header-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.files-main-header-count {
    font-size: 13px;
    color: var(--text-color-secondary);
    padding: 2px 8px;
    background: var(--hover);
    border-radius: 4px;
}

.files-main-header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.files-main-header-btn {
    display: none;
    width: 36px;
    height: 36px;
    border: 1px solid var(--border-color);
    background: var(--background);
    color: var(--text-color);
    cursor: pointer;
    border-radius: 8px;
    align-items: center;
    justify-content: center;
    transition: background 0.15s;
}

@media (hover: hover) and (pointer: fine) {
    .files-main-header-btn:hover {
        background: var(--hover);
    }
}

.files-main-header-btn svg {
    width: 18px;
    height: 18px;
}

.files-main-toolbar {
    padding: 12px 20px;
    border-bottom: 1px solid var(--border-color);
}

.files-search {
    position: relative;
    display: flex;
    align-items: center;
    width: min(420px, 100%);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--background);
    transition: border-color 0.15s, box-shadow 0.15s;
}

.files-search:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary-color) 14%, transparent);
}

.files-search-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-left: 12px;
    color: var(--text-color-secondary);
}

.files-search-input {
    flex: 1;
    min-width: 0;
    padding: 11px 12px;
    border: none;
    background: transparent;
    color: var(--text-color);
    font-size: 14px;
    outline: none;
}

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

.files-search-clear {
    width: 30px;
    height: 30px;
    margin-right: 8px;
    border: none;
    border-radius: 999px;
    background: transparent;
    color: var(--text-color-secondary);
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

.files-search-clear.visible {
    display: inline-flex;
}

@media (hover: hover) and (pointer: fine) {
    .files-search-clear:hover {
        background: var(--hover);
        color: var(--text-color);
    }
}

/* ============================================================================
   Files List (Replaces Table)
   ============================================================================ */

.files-list {
    padding: 8px 16px;
}

.files-loading-state,
.files-list-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 18px 20px 28px;
    color: var(--text-color-secondary);
    font-size: 13px;
}

.files-loading-state {
    min-height: 220px;
}

.file-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    border-radius: 10px;
    position: relative;
    transition: background 0.15s;
}

.file-item::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
    background: var(--border-color);
    border-radius: 0;
}

.file-item:last-child::after {
    display: none;
}

@media (hover: hover) and (pointer: fine) {
    .file-item:hover {
        background: var(--hover);
    }
}

.file-item:focus-within {
    background: var(--hover);
}

.file-item-main {
    display: flex;
    align-items: center;
    gap: 14px;
    flex: 1;
    min-width: 0;
    padding: 0;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: inherit;
    cursor: pointer;
    font: inherit;
    text-align: left;
}

.file-item-main:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 3px;
}

.file-item-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--hover);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.file-item-icon img {
    width: 24px;
    height: 24px;
}

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

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

.file-item-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-color-secondary);
}

.file-item-meta-divider {
    width: 3px;
    height: 3px;
    background: var(--text-color-tertiary);
    border-radius: 50%;
}

.file-item-type {
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    padding: 3px 6px;
    background: var(--hover);
    border-radius: 4px;
    color: var(--text-color-secondary);
}

.file-sync-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
}

.file-sync-badge.is-synced {
    background: var(--admin-success-bg, rgba(34, 197, 94, 0.12));
    color: var(--admin-success-text, var(--success-color, #16a34a));
}

.file-sync-badge.is-pending {
    background: var(--admin-warning-bg, rgba(245, 158, 11, 0.14));
    color: var(--admin-warning-text, #d97706);
}

.file-item-actions {
    display: flex;
    align-items: center;
    gap: 4px;
    opacity: 0;
    transition: opacity 0.15s;
}

@media (hover: hover) and (pointer: fine) {
    .file-item:hover .file-item-actions {
        opacity: 1;
    }
}

.file-item:focus-within .file-item-actions {
    opacity: 1;
}

@media (hover: none), (pointer: coarse) {
    .file-item .file-item-actions {
        opacity: 1;
    }
}

.file-action-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--text-color-secondary);
    cursor: pointer;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s, color 0.15s;
}

@media (hover: hover) and (pointer: fine) {
    .file-action-btn:hover {
        background: var(--hover);
        color: var(--text-color);
    }
}

@media (hover: hover) and (pointer: fine) {
    .file-action-btn.download:hover {
        color: var(--admin-success-text, var(--success-color, #10b981));
    }
}

@media (hover: hover) and (pointer: fine) {
    .file-action-btn.delete:hover {
        color: var(--admin-error, var(--error-color, #ef4444));
    }
}

.file-action-btn svg {
    width: 16px;
    height: 16px;
}

/* Hidden file input helper */
.upload-input {
    position: absolute;
    width: 0.1px;
    height: 0.1px;
    opacity: 0;
    overflow: hidden;
    z-index: -1;
}

/* ============================================================================
   Upload Progress
   ============================================================================ */

.upload-progress {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1100;
    width: 320px;
    padding: 16px;
    background: var(--background);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.2s, visibility 0.2s, transform 0.2s;
}

.upload-progress.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.upload-progress-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.upload-progress-header svg {
    width: 18px;
    height: 18px;
    color: var(--primary-color);
}

.upload-progress-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-color);
}

.upload-progress-file {
    font-size: 13px;
    color: var(--text-color-secondary);
    margin-bottom: 12px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.progress-bar-container {
    height: 4px;
    background: var(--hover);
    border-radius: 2px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--primary-color);
    border-radius: 2px;
    transition: width 0.2s;
}

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

.files-folder-modal {
    background: var(--background);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    width: 400px;
    max-width: 90vw;
    box-shadow: var(--admin-shadow-modal, 0 20px 60px rgba(0, 0, 0, 0.2));
}

.files-folder-modal-close,
.files-edit-modal-close,
.files-share-link-toast__close {
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    color: var(--text-color-secondary);
    cursor: pointer;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s;
}

@media (hover: hover) and (pointer: fine) {
    .files-folder-modal-close:hover,
    .files-edit-modal-close:hover {
        background: var(--hover);
        color: var(--text-color);
    }
}

.files-folder-modal-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Icon picker reuses .todos-icon-picker CSS classes from todos.css */

.files-folder-modal-input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--background);
    font-size: 14px;
    color: var(--text-color);
    outline: none;
    transition: border-color 0.15s;
    box-sizing: border-box;
}

.files-folder-modal-input:focus {
    border-color: var(--primary-color);
}

.files-folder-modal-input::placeholder {
    color: var(--text-color-tertiary, var(--text-color-secondary));
}

/* ============================================================================
   File Edit Modal
   ============================================================================ */

.files-edit-modal {
    width: 420px;
    max-width: 90vw;
    background: var(--background);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: var(--admin-shadow-modal, 0 20px 60px rgba(0, 0, 0, 0.2));
}

.files-edit-modal-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.files-edit-modal-description {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.files-edit-modal-title {
    font-size: 14px;
    font-weight: 600;
    margin: 0;
    color: var(--text-color);
}

.files-edit-modal-text {
    font-size: 13px;
    line-height: 1.4;
    margin: 0;
    color: var(--text-color-secondary);
}

.files-edit-modal-input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--background);
    font-size: 14px;
    color: var(--text-color);
    outline: none;
    transition: border-color 0.15s;
}

.files-edit-modal-input:focus {
    border-color: var(--primary-color);
}

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

.files-folder-ctx-menu {
    position: fixed;
    z-index: 1100;
    min-width: 180px;
    background: var(--background);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    padding: 4px;
    animation: fadeIn 0.1s ease;
}

.files-folder-ctx-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 6px;
    font-size: 13px;
    color: var(--text-color);
    cursor: pointer;
    transition: background 0.1s;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

@media (hover: hover) and (pointer: fine) {
    .files-folder-ctx-item:hover {
        background: var(--hover);
    }
}

.files-folder-ctx-item.danger {
    color: var(--admin-error, var(--error-color, #ef4444));
}

@media (hover: hover) and (pointer: fine) {
    .files-folder-ctx-item.danger:hover {
        background: var(--danger-hover-bg);
    }
}

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

/* ============================================================================
   Share Link Toast
   ============================================================================ */

.files-share-link-toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1200;
    animation: fadeIn 0.15s ease;
}

.files-share-link-toast__content {
    background: var(--background);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--admin-shadow-lg, 0 12px 40px rgba(0, 0, 0, 0.15));
    width: min(380px, 90vw);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.files-share-link-toast__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 600;
    font-size: 14px;
    color: var(--text-color);
}

@media (hover: hover) and (pointer: fine) {
    .files-share-link-toast__close:hover {
        background: var(--hover);
    }
}

.files-share-link-toast__body {
    display: flex;
    gap: 8px;
}

.files-share-link-toast__body input {
    flex: 1;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    padding: 10px 12px;
    font-size: 13px;
    color: var(--text-color);
    background: var(--hover);
}

.files-share-link-toast__body button {
    border: none;
    border-radius: 8px;
    background: var(--primary-color);
    color: #fff;
    padding: 10px 16px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: opacity 0.15s;
}

@media (hover: hover) and (pointer: fine) {
    .files-share-link-toast__body button:hover {
        opacity: 0.9;
    }
}

.files-share-link-toast__hint {
    font-size: 12px;
    color: var(--text-color-secondary);
    margin: 0;
}

.files-delete-tip {
    margin-top: -12px;
    margin-bottom: 24px;
    padding: 10px 12px;
    border-radius: 10px;
    background: var(--admin-warning-bg, rgba(245, 158, 11, 0.12));
    color: var(--admin-text, var(--text-color, #111111));
    font-size: 13px;
    line-height: 1.5;
}

/* ============================================================================
   Preview Sidebar
   ============================================================================ */

.files-preview-backdrop {
    z-index: 998;
}

.files-preview-backdrop.active.files-preview-image-backdrop {
    background: rgba(10, 14, 24, 0.42);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.files-preview-sidebar {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    height: 100dvh;
    width: 560px;
    max-width: 85vw;
    min-width: 360px;
    background: var(--background);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 999;
    box-shadow: -8px 0 32px rgba(0, 0, 0, 0.12);
    transform: translateX(100%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.35s cubic-bezier(0.32, 0.72, 0, 1),
                opacity 0.35s cubic-bezier(0.32, 0.72, 0, 1),
                visibility 0.35s;
    will-change: transform, opacity;
}

.files-preview-sidebar.open {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
}

.files-preview-sidebar.files-preview-image-modal {
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100vw;
    max-width: 100vw;
    min-width: 100vw;
    height: 100vh;
    height: 100dvh;
    max-height: 100vh;
    max-height: 100dvh;
    border: none;
    background: transparent;
    box-shadow: none;
    overflow: visible;
    transform: none;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    will-change: opacity;
}

.files-preview-resize-handle {
    position: absolute;
    top: 0;
    left: -4px;
    width: 8px;
    height: 100%;
    cursor: ew-resize;
    z-index: 10;
    background: transparent;
    transition: background 0.2s ease;
}

.files-preview-resize-handle.resizing {
    background: var(--primary-color, #3b82f6);
    opacity: 0.5;
}

@media (hover: hover) and (pointer: fine) {
    .files-preview-resize-handle:hover {
        background: var(--primary-color, #3b82f6);
        opacity: 0.5;
    }
}

.files-preview-drag-handle {
    display: none;
}

.files-preview-sidebar .main-container-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    background: var(--background);
    flex-shrink: 0;
    gap: 12px;
    min-height: 56px;
}

.files-preview-sidebar .main-container-header-buttons {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

#filesPreviewTitle {
    flex: 1;
    min-width: 0;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.4;
}

.files-preview-sidebar .main-header-button-circle {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    transition: background 0.15s ease, transform 0.15s ease;
    flex-shrink: 0;
}

@media (hover: hover) and (pointer: fine) {
    .files-preview-sidebar .main-header-button-circle:hover {
        background: var(--hover);
    }
}

.files-preview-sidebar .main-header-button-circle:active {
    transform: scale(0.95);
}

.files-preview-sidebar .main-header-button-circle:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.files-preview-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: 16px;
    min-height: 0;
}

.files-preview-body {
    flex: 1;
    border-radius: 12px;
    background: var(--files-preview-bg, var(--bg-normal-elevated, var(--background, var(--hover))));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: auto;
    position: relative;
    min-height: 200px;
}

.files-preview-image-container {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.files-preview-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 8px;
    user-select: none;
    -webkit-user-drag: none;
    transition: transform 0.2s ease;
}

.files-preview-sidebar.files-preview-image-modal .files-preview-resize-handle,
.files-preview-sidebar.files-preview-image-modal .files-preview-drag-handle,
.files-preview-sidebar.files-preview-image-modal #filesPreviewTitle,
.files-preview-sidebar.files-preview-image-modal #filesSidebarPreviewDownload {
    display: none;
}

.files-preview-sidebar.files-preview-image-modal .main-container-header {
    position: fixed;
    top: max(20px, env(safe-area-inset-top, 0px));
    right: max(20px, env(safe-area-inset-right, 0px));
    left: auto;
    width: auto;
    padding: 0;
    border: none;
    background: transparent;
    min-height: 0;
    justify-content: flex-end;
    z-index: 1001;
    pointer-events: none;
    animation: filesPreviewCloseFadeIn 0.25s cubic-bezier(0.32, 0.72, 0, 1) both;
}

.files-preview-sidebar.files-preview-image-modal .main-container-header-buttons {
    gap: 0;
    pointer-events: auto;
}

.files-preview-sidebar.files-preview-image-modal .main-header-button-circle:focus-visible {
    outline: 2px solid rgba(255, 255, 255, 0.85);
    outline-offset: 2px;
}

.files-preview-sidebar.files-preview-image-modal .files-preview-content {
    padding: 0;
    overflow: visible;
}

.files-preview-sidebar.files-preview-image-modal .files-preview-body {
    min-height: 0;
    background: transparent;
    border-radius: 0;
    overflow: visible;
}

.files-preview-sidebar.files-preview-image-modal .files-preview-image-container {
    width: 100%;
    height: 100%;
    max-width: 100vw;
    max-height: 100vh;
    max-height: 100dvh;
    padding: 80px 24px 24px;
    box-sizing: border-box;
}

.files-preview-sidebar.files-preview-image-modal .files-preview-image {
    max-width: min(1400px, calc(100vw - 48px));
    max-height: calc(100vh - 104px);
    max-height: calc(100dvh - 104px);
    border-radius: 20px;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3);
}

.files-preview-iframe {
    width: 100%;
    height: 100%;
    border: none;
    background: var(--bg-normal, var(--background, #fff));
    border-radius: 8px;
}

.files-preview-video-container {
    width: 100%;
    height: 100%;
    padding: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
}

.files-preview-video-player {
    width: 100%;
    max-width: 100%;
    max-height: 100%;
    border-radius: 10px;
    background: #000;
}

.files-preview-text {
    width: 100%;
    height: 100%;
    padding: 20px;
    margin: 0;
    font-family: var(--code-font, "SFMono-Regular", "Consolas", "Liberation Mono", "Menlo", monospace);
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-color);
    background: transparent;
    white-space: pre-wrap;
    word-break: break-word;
    overflow: auto;
    border-radius: 8px;
}

.files-preview-text-wrapper {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    min-height: 0;
}

.files-preview-text-wrapper .files-preview-text {
    flex: 1 1 auto;
    height: auto;
    min-height: 0;
}

.files-preview-text-notice {
    flex: 0 0 auto;
    padding: 10px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-color-secondary);
    background: var(--hover);
    font-size: 13px;
    line-height: 1.4;
}

.files-preview-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 14px;
    color: var(--text-color-secondary);
    text-align: center;
    padding: 32px 24px;
}

.files-preview-spinner {
    color: var(--text-color);
    opacity: 0.6;
}

.files-preview-unsupported {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 40px 24px;
    text-align: center;
}

.files-preview-unsupported-icon {
    width: 64px;
    height: 64px;
    color: var(--text-color-secondary);
    opacity: 0.5;
}

.files-preview-unsupported-text {
    font-size: 14px;
    color: var(--text-color-secondary);
    max-width: 280px;
    line-height: 1.5;
}

.files-preview-size-note {
    opacity: 0.7;
}

.files-preview-download-btn {
    margin-top: 8px;
    padding: 10px 20px;
    background: var(--primary-color, #3b82f6);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: opacity 0.15s;
}

@media (hover: hover) and (pointer: fine) {
    .files-preview-download-btn:hover {
        opacity: 0.9;
    }
}

.files-preview-info {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--hover);
    border-radius: 8px;
    margin-top: 12px;
    font-size: 12px;
    color: var(--text-color-secondary);
}

.files-preview-info-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.files-preview-info-divider {
    width: 1px;
    height: 12px;
    background: var(--border-color);
}

@media (prefers-reduced-motion: reduce) {
    .file-item,
    .files-sidebar-item,
    .files-sidebar-item .files-sidebar-item-icon,
    .files-sidebar,
    .files-sidebar-backdrop,
    .files-sidebar-item-action-btn,
    .file-item-actions,
    .file-action-btn,
    .progress-bar,
    .files-folder-modal,
    .files-folder-modal-input,
    .files-folder-modal-close,
    .files-edit-modal,
    .files-edit-modal-input,
    .files-edit-modal-close,
    .files-folder-ctx-menu,
    .files-share-link-toast,
    .files-share-link-toast__close,
    .files-share-link-toast__body button,
    .files-preview-backdrop,
    .files-preview-sidebar,
    .files-preview-resize-handle,
    .files-preview-drag-handle-bar,
    .files-preview-image,
    .files-preview-sidebar .main-header-button-circle,
    .files-preview-sidebar.files-preview-image-modal .main-container-header {
        transition-duration: 0.01ms;
    }

    .file-item.dragging,
    .files-sidebar-item.drop-target,
    .files-sidebar-item.drop-target .files-sidebar-item-icon,
    .files-preview-sidebar .main-header-button-circle:active {
        transform: none;
    }

    .files-sidebar-item.drop-target::after,
    .files-folder-modal,
    .files-edit-modal,
    .files-folder-ctx-menu,
    .files-share-link-toast,
    .files-sidebar-backdrop,
    .files-preview-sidebar.files-preview-image-modal .main-container-header {
        animation: none;
    }
}

/* Preview Sidebar - Mobile Bottom Sheet */
@media (max-width: 768px) {
    .files-preview-sidebar {
        top: auto;
        bottom: 0;
        left: 0;
        right: 0;
        width: 100%;
        max-width: 100%;
        min-width: 100%;
        height: 85vh;
        height: 85dvh;
        max-height: 85vh;
        max-height: 85dvh;
        border-left: none;
        border-top: 1px solid var(--border-color);
        border-radius: 16px 16px 0 0;
        box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.2);
        transform: translateY(100%);
    }

    .files-preview-sidebar.open {
        transform: translateY(0);
    }

    .files-preview-resize-handle {
        display: none;
    }

    .files-preview-drag-handle {
        display: flex;
    }

    .files-preview-sidebar .main-container-header {
        padding: 8px 16px 12px;
    }

    #filesPreviewTitle {
        font-size: 16px;
    }

    .files-preview-sidebar .main-header-button-circle {
        width: 44px;
        height: 44px;
    }
    
    .files-preview-content {
        padding: 12px 16px 24px;
        padding-bottom: calc(24px + env(safe-area-inset-bottom, 0px));
    }

    .files-preview-text {
        font-size: 14px;
        padding: 16px;
    }

    .files-preview-sidebar.files-preview-image-modal .main-container-header {
        position: fixed;
        top: max(14px, env(safe-area-inset-top, 0px));
        right: max(14px, env(safe-area-inset-right, 0px));
        left: auto;
        width: auto;
    }

    .files-preview-sidebar.files-preview-image-modal .files-preview-image-container {
        width: 100%;
        height: 100%;
        max-width: 100vw;
        max-height: 100vh;
        max-height: 100dvh;
        padding: 64px 12px 12px;
        box-sizing: border-box;
    }

    .files-preview-sidebar.files-preview-image-modal .files-preview-image {
        max-width: calc(100vw - 24px);
        max-height: calc(100vh - 76px);
        max-height: calc(100dvh - 76px);
        border-radius: 16px;
    }
}

@media (max-width: 480px) {
    .files-preview-sidebar {
        height: 90vh;
        height: 90dvh;
        max-height: 90vh;
        max-height: 90dvh;
    }
}

@media (max-width: 768px) and (orientation: landscape) {
    .files-preview-sidebar {
        height: 95vh;
        height: 95dvh;
        max-height: 95vh;
        max-height: 95dvh;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .files-preview-sidebar {
        width: 450px;
        min-width: 320px;
        max-width: 85vw;
    }
}

@media (min-width: 1440px) {
    .files-preview-sidebar {
        width: 640px;
    }
     }

/* Sidebar backdrop - hidden by default on desktop */
.files-sidebar-backdrop {
    display: none;
}

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

@media (max-width: 768px) {
    .files-workspace {
        flex-direction: column;
    }

    .files-main-toolbar {
        padding: 10px 16px;
    }

    .files-search {
        width: 100%;
    }

    /* Mobile sidebar as drawer */
    .files-sidebar {
        position: fixed;
        top: 0;
        left: 0;
        width: 280px;
        max-width: 85vw;
        height: 100vh;
        height: 100dvh;
        z-index: 1100;
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.32, 0.72, 0, 1);
        box-shadow: 4px 0 24px rgba(0, 0, 0, 0.2);
        border-right: 1px solid var(--border-color);
    }

    .files-sidebar.mobile-open {
        transform: translateX(0);
    }

    .files-sidebar-backdrop {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.4);
        z-index: 1090;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s, visibility 0.3s;
    }

    .files-sidebar-backdrop.active {
        opacity: 1;
        visibility: visible;
    }

    .files-main-header-btn {
        display: flex;
    }

    .file-item {
        padding: 12px;
        gap: 12px;
    }

    .file-item-main {
        gap: 12px;
    }

    .file-item-icon {
        width: 36px;
        height: 36px;
    }

    .file-item-icon img {
        width: 20px;
        height: 20px;
    }

    .file-item-actions {
        opacity: 1;
    }

    .files-list {
        padding: 8px 12px;
    }

    .files-main-header {
        padding: 12px 16px;
    }

    .files-empty-state {
        padding: 48px 20px;
    }

    .upload-progress {
        left: 16px;
        right: 16px;
        bottom: 16px;
        width: auto;
    }

    .files-share-link-toast {
        left: 12px;
        right: 12px;
        bottom: 16px;
    }

    .files-share-link-toast__content {
        width: auto;
    }
}

@media (max-width: 480px) {
    .file-item-meta {
        flex-wrap: wrap;
    }

    .file-item-type {
        display: none;
    }

    .files-empty-description {
        font-size: 13px;
    }

    .files-empty-btn {
        width: 100%;
        justify-content: center;
    }
     }

.files-storage-usage-icon {
    background: var(--surface-accent-subtle, rgba(59, 130, 246, 0.12));
    color: var(--text-accent, var(--primary-color, #2563eb));
}

.files-storage-usage {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-top: 4px;
    text-align: left;
}

.files-storage-usage-status {
    margin: 0;
    color: var(--text-color-secondary, #666666);
    font-size: 14px;
    line-height: 1.5;
}

.files-storage-usage-meter {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.files-storage-usage-meter-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
}

.files-storage-usage-meter-label {
    color: var(--text-color, #111111);
    font-size: 14px;
    font-weight: 600;
}

.files-storage-usage-meter-value {
    color: var(--text-color-secondary, #666666);
    font-size: 13px;
    text-align: right;
}

.files-storage-usage-progress {
    width: 100%;
    height: 8px;
    overflow: hidden;
    border-radius: 999px;
    background: var(--bg-secondary, var(--surface-secondary, rgba(0, 0, 0, 0.08)));
}

.files-storage-usage-progress-bar {
    display: block;
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: var(--text-accent, var(--primary-color, #2563eb));
    transition: width 0.2s ease;
}

.files-storage-usage-disabled {
    margin: 0;
    padding: 10px 12px;
    border: 1px solid var(--warning-border, rgba(245, 158, 11, 0.28));
    border-radius: 8px;
    background: var(--warning-bg, rgba(245, 158, 11, 0.12));
    color: var(--warning-text, #92400e);
    font-size: 13px;
    line-height: 1.45;
}

body.app-reduced-animations .files-storage-usage-progress-bar,
body.reduced-animations .files-storage-usage-progress-bar {
    transition: none;
}

@media (prefers-reduced-motion: reduce) {
    .files-storage-usage-progress-bar {
        transition: none;
    }
}

@media (max-width: 480px) {
    .files-storage-usage-meter-header {
        align-items: flex-start;
        flex-direction: column;
        gap: 4px;
    }

    .files-storage-usage-meter-value {
        text-align: left;
    }
}