/* Character Set Editor - Stylesheet */
/* Modern dark theme interface for Chinese character selection and reordering */

:root {
    /* Color palette - Inspired by VSCode dark theme with warm accents */
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --bg-hover: #30363d;
    --bg-selected: #1f6feb33;
    
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    
    --accent-primary: #f0883e;
    --accent-secondary: #ffa657;
    --accent-tertiary: #d29922;
    
    --success: #3fb950;
    --danger: #f85149;
    --info: #58a6ff;
    --warning: #d29922;
    
    --border-color: #30363d;
    --border-focus: #58a6ff;
    
    /* Typography */
    --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    --font-chinese: 'Noto Sans SC', 'Source Han Sans CN', 'PingFang SC', sans-serif;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* App Container */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
.app-header {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

.app-header h1 {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(90deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.app-header .subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-md);
}

/* Page Navigation */
.page-nav {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.page-nav-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.page-nav-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--text-muted);
}

.page-nav-btn.active {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-color: var(--accent-primary);
    color: var(--bg-primary);
    font-weight: 600;
}

/* Page Content */
.page-content {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.page-content.hidden {
    display: none !important;
}

/* Toolbar */
.toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    gap: var(--spacing-lg);
}

.toolbar-left, .toolbar-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.toolbar-center {
    flex: 1;
    max-width: 400px;
}

.stat-box {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.stat-value {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--accent-primary);
    font-family: var(--font-mono);
}

.coord-display .coord-value {
    font-size: 0.95rem;
    min-width: 120px;
    text-align: center;
}

.search-box {
    display: flex;
    width: 100%;
}

.search-box input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    outline: none;
    transition: border-color var(--transition-fast);
}

.search-box input:focus {
    border-color: var(--border-focus);
}

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

/* Buttons */
.btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

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

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: var(--bg-primary);
    font-weight: 600;
}

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

.btn-secondary {
    background: var(--bg-tertiary);
    border-color: var(--accent-tertiary);
    color: var(--accent-secondary);
}

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

.btn-danger {
    background: transparent;
    border-color: var(--danger);
    color: var(--danger);
}

.btn-danger:hover {
    background: var(--danger);
    color: white;
}

.btn-search {
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    border-left: none;
}

.btn-block {
    display: block;
    width: 100%;
    margin-bottom: var(--spacing-sm);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.8rem;
}

/* Main Content Layout */
.main-content {
    display: grid;
    grid-template-columns: 220px 1fr 280px;
    flex: 1;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
}

.sidebar h3 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.mt-4 {
    margin-top: var(--spacing-xl);
}

.category-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.category-btn {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.category-btn.active {
    background: var(--bg-selected);
    border-color: var(--info);
    color: var(--info);
}

.quick-actions {
    margin-top: var(--spacing-sm);
}

.presets {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.preset-btn {
    width: 100%;
    padding: var(--spacing-sm);
    text-align: left;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

/* Character Panel */
.character-panel {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--bg-primary);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.panel-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
}

.panel-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* Character Grid */
.character-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(52px, 1fr));
    gap: 4px;
    padding: var(--spacing-md);
    overflow-y: auto;
    flex: 1;
}

.char-cell {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: var(--font-chinese);
    font-size: 1.5rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.char-cell:hover {
    background: var(--bg-hover);
    border-color: var(--text-muted);
    transform: scale(1.05);
    z-index: 1;
}

.char-cell.selected {
    background: var(--accent-primary);
    border-color: var(--accent-secondary);
    color: var(--bg-primary);
}

.char-cell.selected::after {
    content: '✓';
    position: absolute;
    top: 2px;
    right: 3px;
    font-size: 0.6rem;
    color: var(--bg-primary);
}

.char-cell[data-code]::before {
    content: attr(data-code);
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.5rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.char-cell:hover::before {
    opacity: 1;
}

.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
}

/* Selection Panel */
.selection-panel {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-left: 1px solid var(--border-color);
    overflow-y: auto;
}

.selection-panel h3 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.selection-preview {
    min-height: 100px;
    max-height: 200px;
    overflow-y: auto;
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-chinese);
    font-size: 1.1rem;
    line-height: 2;
    word-wrap: break-word;
    margin-bottom: var(--spacing-md);
}

.selection-info {
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.selection-info p {
    font-size: 0.85rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
}

.selection-info strong {
    color: var(--text-primary);
}

.selection-info span {
    font-family: var(--font-mono);
    color: var(--accent-primary);
}

/* ==================== REORDER PAGE STYLES ==================== */

.reorder-toolbar {
    flex-wrap: wrap;
}

.reorder-content {
    grid-template-columns: 240px 1fr 260px;
}

.reorder-sidebar {
    max-height: calc(100vh - 200px);
}

/* Grid Settings */
.grid-settings {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.grid-settings label {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.grid-settings input[type="number"],
.grid-settings select {
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.grid-settings input[type="number"]:focus,
.grid-settings select:focus {
    border-color: var(--border-focus);
    outline: none;
}

.checkbox-label {
    flex-direction: row !important;
    align-items: center;
    gap: var(--spacing-sm) !important;
}

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

/* Insert Panel */
.insert-panel {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.insert-panel input[type="text"] {
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 1.1rem;
    font-family: var(--font-chinese);
}

.insert-panel input[type="text"]:focus {
    border-color: var(--border-focus);
    outline: none;
}

.insert-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.insert-actions .btn {
    flex: 1;
    font-size: 0.75rem;
    padding: var(--spacing-xs) var(--spacing-sm);
}

/* Reorder Panel */
.reorder-panel {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--bg-primary);
}

/* Reorder Grid Wrapper - contains everything */
.reorder-grid-wrapper {
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow: auto;
}

/* Coordinate Header Row - X axis */
.coord-header-row {
    display: flex;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 10;
    flex-shrink: 0;
}

.coord-header-row.hidden {
    display: none;
}

.coord-header-row.hidden + .reorder-grid-container .coord-col-y,
.coord-col-y.hidden {
    display: none;
}

.coord-corner {
    width: 50px;
    min-width: 50px;
    height: 26px;
    background: var(--bg-tertiary);
    border-right: 1px solid var(--border-color);
    flex-shrink: 0;
}

.coord-header-cells {
    display: grid;
    flex: 1;
    gap: 2px;
    /* Same horizontal padding as .reorder-grid */
    padding: 0 8px;
}

.coord-header-cell {
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--info);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
}

/* Reorder Grid Container - contains Y coords + grid */
.reorder-grid-container {
    display: flex;
    flex: 1;
    min-height: 0;
    overflow: auto;
}

/* Y Coordinate Column */
.coord-col-y {
    width: 50px;
    min-width: 50px;
    flex-shrink: 0;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    position: sticky;
    left: 0;
    z-index: 5;
    display: flex;
    flex-direction: column;
    gap: 2px;
    /* Same vertical padding as .reorder-grid */
    padding: 8px 0;
}

.coord-col-y.hidden {
    display: none;
}

.coord-row-cell {
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--info);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    margin: 0 4px;
    box-sizing: border-box;
}

/* Reorder Grid */
.reorder-grid {
    display: grid;
    gap: 2px;
    padding: 8px;
    flex: 1;
    outline: none;
    min-width: 0;
    align-content: start;
}

.reorder-grid:focus {
    outline: 2px solid var(--border-focus);
    outline-offset: -2px;
}

/* Reorder Cell */
.reorder-cell {
    aspect-ratio: 1;
    min-width: 48px;
    min-height: 48px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: grab;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.reorder-cell:hover {
    background: var(--bg-hover);
    border-color: var(--info);
    transform: scale(1.02);
    z-index: 2;
}

.reorder-cell.selected {
    background: var(--accent-primary);
    border-color: var(--accent-secondary);
}

.reorder-cell.selected .cell-char {
    color: var(--bg-primary);
}

.reorder-cell.selected .cell-index,
.reorder-cell.selected .cell-coord {
    color: rgba(0, 0, 0, 0.6);
}

.reorder-cell.cursor {
    border-color: var(--info);
    box-shadow: 0 0 0 2px var(--info), inset 0 0 0 1px var(--info);
}

.reorder-cell.dragging {
    opacity: 0.5;
    cursor: grabbing;
}

.reorder-cell.drag-over {
    border-color: var(--success);
    background: rgba(63, 185, 80, 0.2);
}

.cell-char {
    font-family: var(--font-chinese);
    font-size: 1.4rem;
    line-height: 1;
}

.cell-index {
    position: absolute;
    top: 2px;
    right: 3px;
    font-family: var(--font-mono);
    font-size: 0.55rem;
    color: var(--text-muted);
}

.cell-coord {
    position: absolute;
    bottom: 1px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-mono);
    font-size: 0.5rem;
    color: var(--text-muted);
    white-space: nowrap;
}

/* Reorder Info Panel */
.reorder-info-panel {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-left: 1px solid var(--border-color);
    overflow-y: auto;
}

.reorder-info-panel h3 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.char-info-display {
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.char-preview-large {
    font-family: var(--font-chinese);
    font-size: 4rem;
    text-align: center;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-primary);
    border-radius: var(--radius-md);
}

.char-info-details p {
    font-size: 0.85rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
    display: flex;
    justify-content: space-between;
}

.char-info-details strong {
    color: var(--text-primary);
}

.char-info-details span {
    font-family: var(--font-mono);
    color: var(--accent-primary);
}

/* Clipboard Preview */
.clipboard-preview {
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    min-height: 60px;
}

.clipboard-chars {
    font-family: var(--font-chinese);
    font-size: 1rem;
    line-height: 1.8;
    word-break: break-all;
}

.clipboard-info {
    margin-top: var(--spacing-sm);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.empty-clipboard {
    color: var(--text-muted);
    font-style: italic;
}

/* Shortcuts Panel */
.shortcuts-panel {
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.shortcut-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xs) 0;
    font-size: 0.8rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.shortcut-item:last-child {
    border-bottom: none;
}

kbd {
    display: inline-block;
    padding: 2px 6px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-primary);
}

/* Footer */
.app-footer {
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-content.modal-sm {
    max-width: 400px;
}

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

.modal-header h2 {
    font-size: 1.2rem;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

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

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

/* Range Inputs */
.range-inputs {
    display: flex;
    gap: var(--spacing-lg);
}

.range-inputs label {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
}

.range-inputs input {
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: var(--font-mono);
}

.range-inputs input:focus {
    border-color: var(--border-focus);
    outline: none;
}

/* Import tabs */
.import-tabs {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
}

.import-tab {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.import-tab:hover {
    color: var(--text-primary);
}

.import-tab.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: var(--bg-primary);
}

.import-tab-content {
    display: block;
}

.import-tab-content.hidden {
    display: none;
}

.import-tab-content textarea {
    width: 100%;
    height: 200px;
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-chinese);
    font-size: 1rem;
    resize: vertical;
}

.import-tab-content input[type="file"] {
    width: 100%;
    padding: var(--spacing-lg);
    background: var(--bg-tertiary);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    cursor: pointer;
}

.help-text {
    margin-top: var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Export */
.export-options {
    margin-bottom: var(--spacing-lg);
}

.export-options label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    cursor: pointer;
}

.export-options input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-primary);
}

.export-preview {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.export-preview h4 {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.export-preview pre {
    padding: var(--spacing-md);
    max-height: 300px;
    overflow: auto;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-primary);
    white-space: pre-wrap;
    word-break: break-all;
}

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

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Responsive */
@media (max-width: 1400px) {
    .reorder-content {
        grid-template-columns: 220px 1fr 240px;
    }
}

@media (max-width: 1200px) {
    .main-content {
        grid-template-columns: 200px 1fr 240px;
    }
    
    .reorder-content {
        grid-template-columns: 200px 1fr;
    }
    
    .reorder-info-panel {
        display: none;
    }
}

@media (max-width: 992px) {
    .main-content {
        grid-template-columns: 180px 1fr;
    }
    
    .selection-panel {
        display: none;
    }
    
    .reorder-content {
        grid-template-columns: 180px 1fr;
    }
}

@media (max-width: 768px) {
    .toolbar {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .toolbar-center {
        max-width: 100%;
        width: 100%;
    }
    
    .main-content {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        display: none;
    }
    
    .reorder-content {
        grid-template-columns: 1fr;
    }
    
    .reorder-sidebar {
        display: none;
    }
    
    .page-nav {
        flex-direction: column;
    }
}