/**
 * GTAW Furniture Catalog - Admin Panel Styles
 * 
 * NOTE: Base styles (custom properties, toasts, modals, buttons, badges)
 * are now in base.css. Include base.css before this file.
 */

/* ============================================
   SETTINGS PAGE
   ============================================ */
.settings-section {
    margin-bottom: 2rem;
}

.settings-section h2 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.settings-section > p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.settings-grid {
    display: grid;
    gap: 1rem;
}

.setting-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-elevated);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.setting-item.has-error {
    border-color: var(--error);
    background: rgba(239, 68, 68, 0.05);
}

.setting-item-label {
    flex: 1;
}

.setting-item-label > label {
    font-weight: 600;
    display: block;
    margin-bottom: 0.25rem;
}

.setting-item-label > p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin: 0;
}

.setting-item-control {
    flex-shrink: 0;
    min-width: 200px;
}

.setting-item-control input[type="text"],
.setting-item-control input[type="number"],
.setting-item-control input[type="password"] {
    width: 100%;
}

.setting-item-error {
    color: var(--error);
    font-size: 0.85rem;
    margin-top: 0.25rem;
    display: block;
}

.toggle-switch {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.toggle-switch input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.toggle-slider {
    position: relative;
    width: 44px;
    height: 24px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: background 0.2s;
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--primary);
}

.toggle-slider::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    background: var(--text-primary);
    border-radius: 50%;
    top: 2px;
    left: 2px;
    transition: transform 0.2s;
}

.toggle-switch input:checked + .toggle-slider::after {
    transform: translateX(20px);
}

.toggle-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.settings-form-actions {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

/* ============================================
   ADMIN LAYOUT
   ============================================ */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: 300px;
    background: var(--bg-surface);
    border-right: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    overflow-y: auto;
}

.admin-main {
    flex: 1;
    margin-left: 300px;
    padding: var(--spacing-xl);
    min-height: 100vh;
}

.admin-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.admin-logo:hover {
    color: var(--primary);
}

/* ============================================
   ADMIN NAVIGATION
   ============================================ */
.admin-nav {
    list-style: none;
    padding: 0;
    margin: 0;
}

.admin-nav li {
    margin-bottom: var(--spacing-xs);
}

.admin-nav a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

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

.admin-nav a.active {
    background: var(--primary);
    color: white;
}

.admin-nav .nav-icon {
    font-size: 1.25rem;
}

.admin-nav .nav-badge {
    margin-left: auto;
    background: var(--error);
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

.admin-nav a.active .nav-badge {
    background: white;
    color: var(--primary);
}

.admin-nav-divider {
    height: 1px;
    background: var(--border-color);
    margin: var(--spacing-md) 0;
}

.admin-user {
    position: absolute;
    bottom: var(--spacing-lg);
    left: var(--spacing-lg);
    right: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.admin-user p {
    margin: 0 0 var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.admin-user strong {
    color: var(--text-primary);
}

/* ============================================
   ADMIN HEADER
   ============================================ */
.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.admin-header h1 {
    margin: 0;
    font-size: 1.75rem;
}

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

/* ============================================
   DASHBOARD STATS
   ============================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.stat-card .stat-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.stat-card .stat-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin: 0;
}

/* ============================================
   TABLE FILTER BAR
   ============================================ */
.table-filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    align-items: center;
    justify-content: space-between;
}

.table-filter-bar input[type="search"] {
    width: 280px;
    min-width: 200px;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 0.875rem;
}

.table-filter-bar input[type="search"]:focus {
    outline: none;
    border-color: var(--primary);
}

.table-filter-bar input[type="search"]::placeholder {
    color: var(--text-muted);
}

.table-filter-bar .filter-buttons {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.table-filter-bar select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 0.875rem;
    min-width: 150px;
}

.table-filter-bar select:focus {
    outline: none;
    border-color: var(--primary);
}

/* ============================================
   DATA TABLES
   ============================================ */
.data-table-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: var(--spacing-md);
    text-align: left;
    vertical-align: middle;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background: var(--bg-elevated);
    font-weight: 600;
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.data-table tbody tr {
    transition: background var(--transition-fast);
}

.data-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

/* Actions column - inline buttons without flexbox on td */
.data-table td.actions {
    white-space: nowrap;
}

.data-table td.actions .btn,
.data-table td.actions .btn-sm {
    display: inline-block;
    vertical-align: middle;
    margin-right: var(--spacing-xs);
}

.data-table td.actions .btn:last-child,
.data-table td.actions .btn-sm:last-child {
    margin-right: 0;
}

.data-table .btn-sm {
    height: 28px;
    padding: 0 var(--spacing-sm);
    font-size: 0.75rem;
    line-height: 28px;
}

/* ============================================
   FORMS
   ============================================ */
.admin-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    max-width: 600px;
}

.admin-form .form-group {
    margin-bottom: var(--spacing-lg);
}

.admin-form label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.admin-form input,
.admin-form select,
.admin-form textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 1rem;
}

.admin-form input:focus,
.admin-form select:focus,
.admin-form textarea:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px var(--primary-focus);
}

.admin-form textarea {
    min-height: 120px;
    resize: vertical;
}

.admin-form .form-help {
    margin-top: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--text-muted);
}

.admin-form .form-error {
    margin-top: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--error);
}

.admin-form .form-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

/* Checkbox group - base style */
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

/* Grid layout for checkbox groups in form sections (categories, tags, category-specific) */
.admin-form .tag-group-section .checkbox-group,
.admin-form .categories-panel .checkbox-group,
.category-specific-tags .checkbox-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xs);
}

.checkbox-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
    position: relative;
}

.checkbox-item:hover {
    border-color: var(--primary);
    background: var(--bg-primary);
}

/* Hide the checkbox input, style as button */
.checkbox-item input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.checkbox-item.checked,
.checkbox-item:has(input:checked) {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* Categories Panel - standardized with tags panel */
.categories-panel.tags-panel {
    /* Same styling as tags-panel, no special overrides needed */
}

/* Category overflow indicator in tables */
.category-overflow {
    display: inline-block;
    padding: 2px 6px;
    margin-left: 4px;
    background: var(--bg-elevated);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: help;
}

/* Duplicate panel in left column */
.form-layout-main .duplicate-panel {
    margin-top: var(--spacing-lg);
}

/* ============================================
   FILE UPLOAD
   ============================================ */
.file-upload {
    position: relative;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.file-upload:hover {
    border-color: var(--primary);
    background: var(--bg-elevated);
}

.file-upload input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.file-upload .upload-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-muted);
}

.file-upload p {
    margin: 0;
    color: var(--text-secondary);
}

/* Tag badge in tables - extends base badge styles */
.data-table .badge {
    margin: 1px;
}

/* ============================================
   BATCH OPERATIONS
   ============================================ */
.batch-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    opacity: 0;
    height: 0;
    overflow: hidden;
    transition: all var(--transition-fast);
}

.batch-controls.visible {
    opacity: 1;
    height: auto;
    padding: var(--spacing-md);
}

.batch-controls .selected-count {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.batch-controls .selected-count strong {
    color: var(--primary);
}

.data-table .select-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary);
}

.data-table th.select-all {
    width: 40px;
    text-align: center;
}

.data-table td.select-cell {
    text-align: center;
}

/* ============================================
   DRAG AND DROP REORDERING
   ============================================ */
.sortable-row {
    cursor: grab;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.sortable-row:active {
    cursor: grabbing;
}

.sortable-row.dragging {
    background: var(--primary-focus) !important;
    transform: scale(1.02);
    box-shadow: var(--shadow-md);
    z-index: 10;
    position: relative;
}

.sortable-row.drag-over {
    border-top: 2px solid var(--primary);
}

.sortable-row .drag-handle {
    cursor: grab;
    color: var(--text-muted);
    font-size: 1.25rem;
    padding: 0 var(--spacing-sm);
    user-select: none;
    transition: color var(--transition-fast);
}

.sortable-row:hover .drag-handle {
    color: var(--text-secondary);
}

.sortable-row.dragging .drag-handle {
    cursor: grabbing;
    color: var(--primary);
}

/* Order changed indicator */
.order-changed {
    display: none;
    padding: var(--spacing-md);
    background: var(--success-bg);
    border: 1px solid var(--success);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    animation: fadeIn 0.3s ease;
}

.order-changed.visible {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   ADMIN LOGIN PAGE
   ============================================ */
.admin-login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.admin-login-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    width: 100%;
    max-width: 400px;
}

.admin-login-box h1 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.admin-login-box .form-group {
    margin-bottom: var(--spacing-lg);
}

.admin-login-box button {
    width: 100%;
}

.admin-login-box .back-link {
    display: block;
    text-align: center;
    margin-top: var(--spacing-lg);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* ============================================
   ANIMATIONS
   ============================================ */
.admin-main {
    animation: fadeInUp 0.3s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stat-card {
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ============================================
   BULK ACTIONS BAR
   ============================================ */
.bulk-actions-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--primary);
    color: white;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.bulk-actions-bar span {
    font-weight: 600;
}

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

.bulk-actions-bar .btn {
    border-color: rgba(255,255,255,0.3);
}

.bulk-actions-bar .btn:hover {
    border-color: white;
}

/* Checkbox styling in tables */
.data-table input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--primary);
}

/* ============================================
   RECENTLY VIEWED SECTION (Dashboard Overview)
   ============================================ */
.recently-viewed-section {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.recently-viewed-section h2 {
    margin-bottom: var(--spacing-md);
}

.recently-viewed-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.recently-viewed-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-fast);
}

.recently-viewed-item:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.recently-viewed-item img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    background: var(--bg-surface);
}

.recently-viewed-item-info {
    flex: 1;
    min-width: 0;
}

.recently-viewed-item-name {
    font-weight: 600;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-bottom: 2px;
}

.recently-viewed-item-meta {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

@media (max-width: 600px) {
    .recently-viewed-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   ADMIN ANALYTICS (Dashboard)
   ============================================ */
.dashboard-analytics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.analytics-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.analytics-card h3 {
    margin: 0 0 var(--spacing-md) 0;
    font-size: 1rem;
    color: var(--text-primary);
}

/* Popular Items List */
.popular-items-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.popular-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: inherit;
    transition: background var(--transition-fast);
}

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

.popular-item img {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    flex-shrink: 0;
}

.popular-item-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.popular-item-name {
    font-weight: 500;
    font-size: 0.875rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.popular-item-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.popular-item-count {
    font-size: 0.8rem;
    color: var(--text-secondary);
    flex-shrink: 0;
}

/* Category Stats List */
.category-stats-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.category-stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.category-stat:hover {
    background: var(--bg-surface);
}

.category-stat-name {
    font-size: 0.875rem;
}

.category-stat-counts {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.category-stat-favorites {
    color: var(--primary);
}

@media (max-width: 768px) {
    .dashboard-analytics-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   PAGINATION (Admin/Dashboard Tables)
   ============================================ */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) 0;
    margin-top: var(--spacing-md);
}

.pagination .btn {
    min-width: auto;
}

.pagination .btn.disabled,
.pagination .btn[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.pagination .page-info {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* ============================================
   EMPTY STATE (Admin/Dashboard Tables)
   ============================================ */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.7;
}

.empty-state h3 {
    margin: 0 0 var(--spacing-sm);
    font-size: 1.25rem;
    color: var(--text-primary);
    font-weight: 600;
}

.empty-state p {
    margin: 0 0 var(--spacing-lg);
    font-size: 0.875rem;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 992px) {
    .admin-sidebar {
        width: 200px;
        padding: var(--spacing-md);
    }
    
    .admin-main {
        margin-left: 200px;
        padding: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .admin-layout {
        flex-direction: column;
    }
    
    .admin-sidebar {
        position: static;
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    
    .admin-main {
        margin-left: 0;
    }
    
    .admin-nav {
        display: flex;
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }
    
    .admin-nav li {
        margin-bottom: 0;
    }
    
    .admin-user {
        position: static;
        margin-top: var(--spacing-md);
    }
    
    .admin-header {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-md);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .data-table-container {
        overflow-x: auto;
    }
    
    .data-table {
        min-width: 600px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   TWO-COLUMN FORM LAYOUT
   Creates two separate visual containers side by side
   ============================================ */

/* Reset .admin-form styles when using split layout */
.admin-form.form-split {
    background: transparent;
    border: none;
    padding: 0;
    max-width: none;
    border-radius: 0;
}

/* Main layout grid - 65% / 35% split */
.form-layout {
    display: grid;
    grid-template-columns: 65fr 35fr;
    gap: var(--spacing-xl);
    align-items: start;
}

/* Left column - Form fields container */
.form-layout-main {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    min-width: 0; /* Allow shrinking in grid */
}

/* Right column - Sidebar with stacked panels */
.form-layout-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    position: sticky;
    top: var(--spacing-lg);
    min-width: 280px;
}

/* Tags panel - separate card in sidebar */
/* Also used for categories panel */
.tags-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    max-height: 50vh;
    overflow-y: auto;
    margin-bottom: var(--spacing-lg);
}

.tags-panel:last-child {
    margin-bottom: 0;
}

.tags-panel-header {
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 var(--spacing-md) 0;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--spacing-sm);
}

/* Duplicate panel in sidebar context */
.form-layout-sidebar .duplicate-panel {
    margin-bottom: 0;
}

/* Responsive: stack columns on smaller screens */
@media (max-width: 900px) {
    .form-layout {
        grid-template-columns: 1fr;
    }
    
    .form-layout-sidebar {
        position: static;
    }
    
    .tags-panel {
        max-height: none;
    }
}

/* Legacy support for existing two-column forms */
.admin-form.two-column {
    display: grid !important;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    max-width: 1100px !important;
}

.admin-form.two-column .form-column-left,
.admin-form.two-column .form-column-right {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.admin-form.two-column .form-column-right {
    background: var(--bg-elevated);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    max-height: 650px;
    overflow-y: auto;
}

.admin-form.two-column .tags-column-label {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--spacing-sm);
    display: block;
}

@media (max-width: 900px) {
    .admin-form.two-column {
        grid-template-columns: 1fr !important;
    }
    
    .admin-form.two-column .form-column-right {
        max-height: none;
    }
}

/* ============================================
   TAG GROUP SECTIONS (Admin Form)
   ============================================ */
.admin-form .tag-group-section {
    margin-bottom: var(--spacing-md);
}

.admin-form .tag-group-section:last-child {
    margin-bottom: 0;
}

.admin-form .tag-group-section h4 {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 0 0 var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.admin-form .group-color-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* Standardized checkbox item styling for all form sections */
.admin-form .tag-group-section .checkbox-item,
.admin-form .categories-panel .checkbox-item,
.category-specific-tags .checkbox-item {
    font-size: 0.75rem;
    padding: 4px 8px;
    margin: 0;
    position: relative;
}

/* Checkbox hidden - styled as button */
/* Applied consistently across all checkbox groups */
.admin-form .tag-group-section .checkbox-item input[type="checkbox"],
.admin-form .categories-panel .checkbox-item input[type="checkbox"],
.category-specific-tags .checkbox-item input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

/* ============================================
   COLOR INPUT WRAPPER
   ============================================ */
.color-input-wrapper {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.color-input-wrapper input[type="color"] {
    width: 50px;
    height: 40px;
    padding: 2px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    background: none;
}

.color-input-wrapper input[type="text"] {
    flex: 1;
    max-width: 120px;
    font-family: 'Monaco', 'Consolas', monospace;
}

/* ============================================
   ADMIN UTILITY CLASSES
   ============================================ */
.color-preview {
    display: inline-block;
    width: 24px;
    height: 24px;
    border-radius: 4px;
    vertical-align: middle;
}

/* Drag handle styling for tag groups */
.data-table .drag-handle {
    cursor: grab;
    color: var(--text-muted);
    font-size: 1rem;
    user-select: none;
}

.data-table .drag-handle:hover {
    color: var(--text-secondary);
}

.data-table tr.dragging .drag-handle {
    cursor: grabbing;
    color: var(--primary);
}

/* Empty state */
.data-table .empty {
    text-align: center;
    padding: var(--spacing-xl) !important;
    color: var(--text-muted);
}

/* ============================================
   CATEGORY-SPECIFIC TAGS
   Standardized to match regular tag-group-section styling
   ============================================ */
.category-specific-tags {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

/* Category-specific tags use same structure as regular tag groups */
.category-specific-tags .tag-group-section {
    margin-bottom: var(--spacing-md);
}

.category-specific-tags .tag-group-section:last-child {
    margin-bottom: 0;
}

/* Header for category-specific section - matches tag group h4 style */
.category-specific-tags > h4 {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 0 0 var(--spacing-sm) 0;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--border-color);
}

/* Support legacy form-section-title class if used */
.category-specific-tags .form-section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 0 0 var(--spacing-sm) 0;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--border-color);
}

.category-specific-tags .form-section-title::before {
    content: '🏷️';
    font-size: 0.875rem;
    margin-right: var(--spacing-xs);
}

/* Standardized color dot - used in both regular and category-specific tags */
.group-color-dot,
.tag-group-color {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* Legacy support for tag-group-color with different size */
.tag-group-color {
    width: 12px;
    height: 12px;
    border-radius: 3px;
}

/* Tag group indicator badge */
.tag-group-badge {
    font-size: 0.65rem;
    padding: 2px 6px;
    border-radius: 10px;
    background: var(--bg-elevated);
    color: var(--text-muted);
    font-weight: 500;
}

.tag-group-badge.category-specific {
    background: var(--primary-alpha);
    color: var(--primary);
}

/* ============================================
   RADIO GROUP STYLING
   ============================================ */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.radio-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: var(--spacing-md);
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.radio-item:hover {
    border-color: var(--primary);
}

.radio-item:has(input:checked) {
    border-color: var(--primary);
    background: var(--primary-alpha);
}

.radio-item input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.radio-item > span {
    font-weight: 600;
    font-size: 0.95rem;
}

.radio-item > small {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Checkbox grid for category selection */
.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--spacing-xs);
}

/* ============================================
   TOGGLE SWITCH (Settings Page)
   ============================================ */
.toggle-switch {
    display: inline-flex !important;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    user-select: none;
}

.toggle-switch input[type="checkbox"] {
    display: none !important;
    visibility: hidden;
    position: absolute;
}

.toggle-slider {
    width: 48px;
    height: 24px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    position: relative;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.toggle-slider::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    background: white;
    border-radius: 50%;
    top: 2px;
    left: 2px;
    transition: all 0.2s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--primary) !important;
    border-color: var(--primary) !important;
}

.toggle-switch input:checked + .toggle-slider::after {
    left: 26px;
    transform: translateX(0);
}

.toggle-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    min-width: 60px;
    line-height: 1.2;
}

.toggle-switch input:checked ~ .toggle-label {
    color: var(--primary);
    font-weight: 500;
}

/* =============================================
   SYNONYM MANAGEMENT STYLES
   ============================================= */

.weight-badge {
    display: inline-block;
    padding: 0.2em 0.5em;
    background: var(--primary);
    color: white;
    border-radius: var(--border-radius-sm);
    font-size: 0.85em;
    font-weight: 500;
}

.toggle-mini {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    background: var(--bg-elevated);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9em;
    transition: all 0.2s ease;
    color: var(--text-secondary);
}

.toggle-mini:hover {
    border-color: var(--primary);
    background: var(--bg-hover);
}

.toggle-mini.active {
    background: var(--success);
    border-color: var(--success);
    color: white;
}

.admin-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.toolbar-search {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
}

.toolbar-search input[type="text"] {
    min-width: 200px;
    padding: var(--spacing-xs) var(--spacing-sm);
}

.toolbar-actions {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
}

.toolbar-filter {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
}

.toolbar-filter select {
    padding: var(--spacing-xs) var(--spacing-sm);
}

/* Analytics Grid */
.analytics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

@media (max-width: 900px) {
    .analytics-grid {
        grid-template-columns: 1fr;
    }
}

.admin-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
}

.admin-card h3 {
    margin: 0 0 var(--spacing-sm) 0;
    font-size: 1.1rem;
}

.admin-card h4 {
    margin: 0 0 var(--spacing-xs) 0;
    font-size: 1rem;
}

/* Compact Data Table */
.data-table-compact {
    font-size: 0.9rem;
}

.data-table-compact th,
.data-table-compact td {
    padding: var(--spacing-xs) var(--spacing-sm);
}

/* Form Row (two column) */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

@media (max-width: 600px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* Weight Range Slider */
input[type="range"] {
    width: 100%;
    height: 8px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--bg-tertiary);
    border-radius: 4px;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Text muted helper */
.text-muted {
    color: var(--text-secondary);
    font-size: 0.9em;
}

/* Pagination Styles */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.pagination-info {
    color: var(--text-secondary);
    font-size: 0.9em;
}

/* ============================================
   CLASSIFICATION MODE
   ============================================ */

/* Classification Mode Banner */
.classification-mode-banner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.classification-mode-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.classification-mode-label {
    font-weight: 600;
    font-size: 1.1rem;
}

.classification-mode-progress {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
}

.classification-mode-actions .btn {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.classification-mode-actions .btn:hover {
    background: rgba(255, 255, 255, 0.3);
}


/* Navigation Badge */
.nav-badge {
    display: inline-block;
    background: var(--error);
    color: white;
    font-size: 0.75rem;
    padding: 0.15rem 0.4rem;
    border-radius: 10px;
    margin-left: 0.5rem;
    font-weight: 600;
    min-width: 1.2rem;
    text-align: center;
}