/* ============================================
   PROMPT VAULT - Enhanced Professional Styles
   ============================================ */

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

:root {
    /* Primary Colors */
    --primary-50: #f0f4ff;
    --primary-100: #e0e8ff;
    --primary-200: #c7d2fe;
    --primary-300: #a5b4fc;
    --primary-400: #818cf8;
    --primary-500: #6366f1;
    --primary-600: #4f46e5;
    --primary-700: #4338ca;
    --primary-800: #3730a3;
    --primary-900: #312e81;
    
    /* Neutral Colors */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Semantic Colors */
    --success-50: #f0fdf4;
    --success-100: #dcfce7;
    --success-500: #22c55e;
    --success-600: #16a34a;
    
    --warning-50: #fffbeb;
    --warning-100: #fef3c7;
    --warning-500: #f59e0b;
    --warning-600: #d97706;
    
    --danger-50: #fef2f2;
    --danger-100: #fee2e2;
    --danger-500: #ef4444;
    --danger-600: #dc2626;
    
    --info-50: #eff6ff;
    --info-100: #dbeafe;
    --info-500: #3b82f6;
    --info-600: #2563eb;
    
    /* Layout */
    --sidebar-width: 280px;
    --header-height: 80px;
    --border-radius-sm: 6px;
    --border-radius: 10px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    
    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    --z-popover: 500;
    --z-toast: 600;
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-overlay: rgba(15, 23, 42, 0.8);
    
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-tertiary: #94a3b8;
    --text-muted: #64748b;
    
    --border-color: #334155;
    --border-light: #475569;
    
    --shadow-color: rgba(0, 0, 0, 0.3);
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-overlay: rgba(255, 255, 255, 0.8);
    
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-tertiary: #64748b;
    --text-muted: #94a3b8;
    
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    
    --shadow-color: rgba(0, 0, 0, 0.1);
}

/* Base Styles */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    min-height: 100vh;
    transition: background-color var(--transition), color var(--transition);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 {
    font-size: 2rem;
    font-weight: 700;
}

h2 {
    font-size: 1.5rem;
}

h3 {
    font-size: 1.25rem;
}

h4 {
    font-size: 1rem;
    font-weight: 600;
}

p {
    margin-bottom: 1rem;
}

small {
    font-size: 0.875em;
    color: var(--text-tertiary);
}

/* Container */
.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 1.5rem;
    width: 100%;
}

/* Header */
.header {
    height: var(--header-height);
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    transition: all var(--transition);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-container h1 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--primary-600);
    margin: 0;
}

.logo-container h1 i {
    font-size: 1.75rem;
}

.tagline {
    color: var(--text-tertiary);
    font-size: 0.875rem;
    margin: 0;
}

.version-badge {
    background: var(--primary-100);
    color: var(--primary-700);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: var(--border-radius-sm);
    margin-left: 0.5rem;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.control-group {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

/* Main Layout */
.main-content {
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    min-height: calc(100vh - var(--header-height));
}

/* Sidebar */
.sidebar {
    background: var(--bg-primary);
    border-right: 1px solid var(--border-color);
    padding: 1.5rem;
    height: 100%;
    position: sticky;
    top: var(--header-height);
    overflow-y: auto;
    transition: all var(--transition);
}

.sidebar-header {
    margin-bottom: 2rem;
}

.sidebar-section {
    margin-bottom: 2rem;
}

.sidebar-section h4 {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

/* Filter Buttons */
.filter-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.filter-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
}

.filter-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-300);
}

.filter-btn.active {
    background: var(--primary-50);
    border-color: var(--primary-500);
    color: var(--primary-700);
}

.filter-btn i {
    margin-right: 0.5rem;
    font-size: 0.875rem;
}

.filter-count {
    background: var(--bg-primary);
    padding: 0.125rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Categories */
.categories-list {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.category-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.625rem 0.75rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-fast);
    user-select: none;
}

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

.category-item.active {
    background: var(--primary-50);
    color: var(--primary-700);
    font-weight: 500;
}

.category-name {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
}

.category-badge {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.category-count {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    background: var(--bg-tertiary);
    padding: 0.125rem 0.375rem;
    border-radius: 9999px;
}

.category-actions {
    display: flex;
    gap: 0.25rem;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

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

/* Add Category Form */
.add-category-form {
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    margin-top: 0.5rem;
}

.add-category-form input {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--bg-primary);
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

/* Stats Mini */
.stats-mini {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

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

.stat-label {
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

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

/* Quick Actions */
.quick-actions {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.action-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
    color: var(--text-secondary);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.875rem;
    transition: color var(--transition-fast);
    text-align: left;
}

.action-link:hover {
    color: var(--primary-600);
}

.action-link i {
    font-size: 0.875rem;
}

/* Main Panel */
.main-panel {
    padding: 2rem;
    background: var(--bg-secondary);
    overflow-y: auto;
}

/* Top Bar */
.top-bar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.search-container {
    position: relative;
}

.search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.search-input-wrapper i {
    position: absolute;
    left: 1rem;
    color: var(--text-tertiary);
    font-size: 1rem;
    z-index: 1;
}

#searchInput {
    width: 100%;
    padding: 0.875rem 1rem 0.875rem 3rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

#searchInput:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px var(--primary-100);
}

.search-actions {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    gap: 0.25rem;
}

/* Search Suggestions */
.search-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    margin-top: 0.25rem;
    box-shadow: var(--shadow-lg);
    z-index: var(--z-dropdown);
    max-height: 300px;
    overflow-y: auto;
    display: none;
}

.search-suggestions.active {
    display: block;
}

.suggestion-item {
    padding: 0.75rem 1rem;
    cursor: pointer;
    transition: background-color var(--transition-fast);
    border-bottom: 1px solid var(--border-light);
}

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

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

.suggestion-item.highlighted {
    background: var(--primary-50);
    color: var(--primary-700);
}

/* Top Bar Actions */
.top-bar-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.view-controls {
    display: flex;
    gap: 0.25rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.25rem;
}

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

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

.view-btn.active {
    background: var(--primary-50);
    color: var(--primary-600);
    box-shadow: var(--shadow-xs);
}

.sort-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sort-select {
    padding: 0.5rem 2.5rem 0.5rem 0.75rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 0.875rem;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    background-size: 1.5em 1.5em;
}

.sort-select:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px var(--primary-100);
}

/* Content Area */
.content-area {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Stats Bar */
.stats-bar {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 1rem 1.5rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    flex-wrap: wrap;
}

.stats-bar-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.stats-label {
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

.stats-value {
    font-weight: 600;
    color: var(--text-primary);
}

/* Prompts Container */
.prompts-container {
    display: grid;
    gap: 1.5rem;
}

.prompts-container.grid-view {
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
}

.prompts-container.list-view {
    grid-template-columns: 1fr;
}

.prompts-container.compact-view {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

/* Prompt Card */
.prompt-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: all var(--transition);
    position: relative;
    animation: fadeInUp 0.5s ease-out;
}

.prompt-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-300);
}

.prompt-card.selected {
    border-color: var(--primary-500);
    box-shadow: 0 0 0 2px var(--primary-100);
}

.prompt-card-header {
    padding: 1.25rem 1.25rem 0.75rem;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
}

.prompt-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.prompt-category {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.75rem;
    background: var(--primary-50);
    color: var(--primary-700);
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    white-space: nowrap;
}

.prompt-card-actions {
    display: flex;
    gap: 0.25rem;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.prompt-card:hover .prompt-card-actions {
    opacity: 1;
}

.prompt-card-body {
    padding: 1rem 1.25rem;
}

.prompt-preview {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Stats Display */
.prompt-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
}

.stat-badge {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.stat-badge i {
    color: var(--text-tertiary);
}

/* Tags Display */
.prompt-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    margin-bottom: 1rem;
}

.tag {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* Images Display */
.prompt-images {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.image-thumb {
    width: 100px;
    height: 100px;
    border-radius: var(--border-radius-sm);
    object-fit: cover;
    cursor: pointer;
    transition: transform var(--transition-fast);
    border: 2px solid transparent;
}

.image-thumb:hover {
    transform: scale(1.05);
    border-color: var(--primary-500);
}

.image-thumb.input {
    border-color: var(--warning-500);
}

.image-thumb.result {
    border-color: var(--success-500);
}

.prompt-card-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-secondary);
}

.prompt-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.prompt-actions {
    display: flex;
    gap: 0.25rem;
}

/* Action Buttons */
.action-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.action-btn.favorite:hover {
    background: var(--danger-50);
    color: var(--danger-600);
    border-color: var(--danger-200);
}

.action-btn.favorite.active {
    background: var(--danger-50);
    color: var(--danger-600);
    border-color: var(--danger-200);
}

.action-btn.copy:hover {
    background: var(--success-50);
    color: var(--success-600);
    border-color: var(--success-200);
}

.action-btn.edit:hover {
    background: var(--primary-50);
    color: var(--primary-600);
    border-color: var(--primary-200);
}

.action-btn.delete:hover {
    background: var(--danger-50);
    color: var(--danger-600);
    border-color: var(--danger-200);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    grid-column: 1 / -1;
}

.empty-illustration {
    font-size: 4rem;
    color: var(--text-tertiary);
    margin-bottom: 1.5rem;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.empty-state p {
    color: var(--text-tertiary);
    margin-bottom: 2rem;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.empty-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem;
    border-top: 1px solid var(--border-color);
    margin-top: 2rem;
}

.pagination-btn {
    padding: 0.5rem 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pagination-btn:hover:not(:disabled) {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
}

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

.page-numbers {
    display: flex;
    gap: 0.25rem;
}

.page-number {
    min-width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.page-number:hover {
    background: var(--bg-tertiary);
}

.page-number.active {
    background: var(--primary-500);
    color: white;
    border-color: var(--primary-500);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    border: 2px solid transparent;
    line-height: 1;
    user-select: none;
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--primary-100);
}

.btn:active {
    transform: translateY(1px);
}

.btn-primary {
    background: var(--primary-600);
    color: white;
    border-color: var(--primary-600);
}

.btn-primary:hover {
    background: var(--primary-700);
    border-color: var(--primary-700);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-outline:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
}

.btn-danger {
    background: var(--danger-50);
    color: var(--danger-600);
    border-color: var(--danger-200);
}

.btn-danger:hover {
    background: var(--danger-100);
    border-color: var(--danger-300);
}

.btn-text {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    cursor: pointer;
    transition: color var(--transition-fast);
}

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

.btn-text.primary {
    color: var(--primary-600);
}

.btn-text.primary:hover {
    color: var(--primary-700);
}

.btn-text.danger {
    color: var(--danger-600);
}

.btn-text.danger:hover {
    color: var(--danger-700);
}

.btn-text.small {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

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

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

.btn-icon.small {
    width: 28px;
    height: 28px;
    font-size: 0.875rem;
}

/* Form Elements */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-section {
    margin-bottom: 1.5rem;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.form-group label i {
    margin-right: 0.5rem;
    color: var(--text-tertiary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px var(--primary-100);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
    font-family: 'Inter', sans-serif;
    line-height: 1.5;
}

/* Tags Input */
.tags-input-container {
    position: relative;
}

.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    margin-top: 0.5rem;
}

.tag-input {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    background: var(--primary-50);
    color: var(--primary-700);
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.tag-input .remove-tag {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    padding: 0;
    font-size: 0.875rem;
    opacity: 0.7;
}

.tag-input .remove-tag:hover {
    opacity: 1;
}

/* Rating */
.rating-input {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stars {
    display: flex;
    gap: 0.25rem;
}

.star {
    font-size: 1.25rem;
    color: var(--gray-300);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.star:hover,
.star.active {
    color: var(--warning-500);
}

.rating-label {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

/* Images Grid */
.images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
}

.image-upload-card {
    position: relative;
    background: var(--bg-tertiary);
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    overflow: hidden;
}

.image-upload-card:hover {
    border-color: var(--primary-500);
    background: var(--primary-50);
}

.image-upload-placeholder {
    text-align: center;
    color: var(--text-tertiary);
}

.image-upload-placeholder i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    display: block;
}

.image-upload-placeholder span {
    display: block;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.image-upload-placeholder small {
    font-size: 0.75rem;
}

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

.image-upload-card .image-preview {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-upload-card .remove-image {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    width: 24px;
    height: 24px;
    background: var(--danger-500);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-fast);
    z-index: 1;
}

.image-upload-card:hover .remove-image {
    opacity: 1;
}

/* Advanced Section */
.advanced-section {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.toggle-header {
    padding: 1rem 1.25rem;
    background: var(--bg-tertiary);
    cursor: pointer;
    user-select: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.toggle-header h4 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.toggle-header i {
    transition: transform var(--transition);
}

.toggle-header.active i {
    transform: rotate(180deg);
}

.advanced-content {
    padding: 1.25rem;
}

/* Modals */
.modal {
    position: fixed;
    inset: 0;
    background: var(--bg-overlay);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    z-index: var(--z-modal);
    animation: fadeIn var(--transition) ease-out;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-2xl);
    animation: slideInUp var(--transition) ease-out;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}

.modal-sm {
    width: 100%;
    max-width: 400px;
}

.modal-lg {
    width: 100%;
    max-width: 800px;
}

.modal-xl {
    width: 100%;
    max-width: 1000px;
}

.modal-full {
    width: 100%;
    max-width: 1200px;
}

.modal-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.modal-header h2,
.modal-header h3 {
    margin: 0;
    color: var(--text-primary);
}

.modal-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.modal-body {
    padding: 2rem;
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 1rem;
    flex-shrink: 0;
}

.footer-actions {
    display: flex;
    gap: 1rem;
}

.close-modal {
    background: none;
    border: none;
    color: var(--text-tertiary);
    font-size: 1.5rem;
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

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

/* Image Preview Modal */
.image-preview-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    max-height: 70vh;
}

#previewImage {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: var(--border-radius);
}

/* Zoom controls for image preview */
.zoom-controls {
    display: inline-flex;
    gap: 0.5rem;
    align-items: center;
}

.zoom-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
}

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

#previewImage {
    transition: transform 180ms ease-out;
    cursor: zoom-in;
}

/* Ensure the preview container inside the imagePreviewModal is visible
   (overrides inline page styles used for upload cards which hide their preview containers) */
#imagePreviewModal .image-preview-container {
    display: flex !important;
    position: relative;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

#imagePreviewModal #previewImage {
    display: block;
    max-width: 100%;
    max-height: 80vh;
}

/* Analytics Grid */
.analytics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.analytics-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
}

.analytics-card h4 {
    margin: 0 0 1rem 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.chart-container {
    height: 200px;
    position: relative;
}

.stats-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-light);
}

.stat-row:last-child {
    border-bottom: none;
}

.stat-name {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

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

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    max-width: 400px;
    z-index: var(--z-toast);
    animation: slideInRight var(--transition) ease-out;
    transform: translateX(100%);
    opacity: 0;
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast-content {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-xl);
    padding: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.toast-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.toast-icon.success {
    color: var(--success-500);
}

.toast-icon.error {
    color: var(--danger-500);
}

.toast-icon.warning {
    color: var(--warning-500);
}

.toast-icon.info {
    color: var(--info-500);
}

.toast-body {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    font-size: 0.875rem;
}

.toast-message {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-tertiary);
    font-size: 1rem;
    cursor: pointer;
    padding: 0.25rem;
    flex-shrink: 0;
    align-self: flex-start;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-overlay);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    backdrop-filter: blur(4px);
}

.loading-overlay.active {
    display: flex;
}

.loading-content {
    text-align: center;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-500);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

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

/* FAB Button */
.fab-button {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 56px;
    height: 56px;
    background: var(--primary-600);
    color: white;
    border: none;
    border-radius: 50%;
    box-shadow: var(--shadow-xl);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    z-index: var(--z-fixed);
    transition: all var(--transition);
}

.fab-button:hover {
    background: var(--primary-700);
    transform: scale(1.05);
    box-shadow: var(--shadow-2xl);
}

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

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

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

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

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

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* Responsive Design */
@media (max-width: 1024px) {
    .main-content {
        grid-template-columns: 240px 1fr;
    }
    
    .prompts-container.grid-view {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .main-content {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        display: none;
    }
    
    .header {
        padding: 0 1rem;
        height: 64px;
    }
    
    .main-panel {
        padding: 1rem;
    }
    
    .top-bar-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .view-controls {
        align-self: flex-start;
    }
    
    .prompts-container.grid-view,
    .prompts-container.compact-view {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        margin: 0;
        border-radius: 0;
        max-height: 100vh;
    }
    
    .modal {
        padding: 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .header-controls {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .control-group {
        order: 2;
    }
    
    .theme-control {
        order: 1;
    }
    
    .stats-bar {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    
    .empty-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .fab-button {
        bottom: 1rem;
        right: 1rem;
        width: 48px;
        height: 48px;
    }
}

/* Print Styles */
@media print {
    .header,
    .sidebar,
    .top-bar,
    .stats-bar,
    .fab-button,
    .modal,
    .toast {
        display: none !important;
    }
    
    .main-content {
        grid-template-columns: 1fr;
        min-height: auto;
    }
    
    .main-panel {
        padding: 0;
    }
    
    .prompts-container {
        grid-template-columns: 1fr !important;
        gap: 1rem;
    }
    
    .prompt-card {
        break-inside: avoid;
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
}

/* Add these styles to style.css */

/* Fix for prompt details */
.prompt-details {
    padding: 1rem;
}

.details-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.details-header h3 {
    margin: 0;
    flex: 1;
}

.details-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.section {
    background: var(--bg-secondary);
    padding: 1.25rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.section h4 {
    margin: 0 0 1rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.content-box, .notes-box {
    background: var(--bg-primary);
    padding: 1rem;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    white-space: pre-wrap;
    line-height: 1.6;
}

.details-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem;
}

.stat-label {
    color: var(--text-tertiary);
    font-weight: 500;
}

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

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.details-meta {
    display: flex;
    gap: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Fix for empty state in prompts container */
.prompts-container .empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 2rem;
}

.empty-illustration {
    font-size: 4rem;
    color: var(--text-tertiary);
    margin-bottom: 1.5rem;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.empty-state p {
    color: var(--text-tertiary);
    margin-bottom: 2rem;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.empty-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Fix for category badges */
.category-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    white-space: nowrap;
}

/* Fix for pagination */
.page-ellipsis {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    color: var(--text-tertiary);
}

/* Fix for tags input */
.tag-input {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    background: var(--primary-50);
    color: var(--primary-700);
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.tag-input .remove-tag {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    padding: 0;
    font-size: 1rem;
    line-height: 1;
    opacity: 0.7;
}

.tag-input .remove-tag:hover {
    opacity: 1;
}

/* Fix for rating stars */
#ratingStars .star {
    font-size: 1.25rem;
    color: var(--gray-300);
    cursor: pointer;
    transition: color var(--transition-fast);
}

#ratingStars .star.active,
#ratingStars .star:hover {
    color: var(--warning-500);
}

/* Image Upload Styles */
.image-upload-card {
    position: relative;
    background: var(--bg-tertiary);
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    overflow: hidden;
}

.image-upload-card:hover {
    border-color: var(--primary-500);
    background: var(--primary-50);
}

.image-upload-card.has-image {
    border: 2px solid var(--success-500);
}

.image-upload-card.add-more-btn {
    background: var(--bg-secondary);
    border-style: dashed;
}

.image-upload-card.add-more-btn:hover {
    background: var(--primary-50);
    border-color: var(--primary-500);
}

.image-upload-placeholder {
    text-align: center;
    color: var(--text-tertiary);
    z-index: 1;
    pointer-events: none;
}

.image-upload-placeholder i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    display: block;
}

.image-upload-placeholder span {
    display: block;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.image-upload-placeholder small {
    font-size: 0.75rem;
    opacity: 0.8;
}

.image-upload-card input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
    z-index: 2;
}

.image-preview-container {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: none;
}

.image-preview-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--border-radius);
}

.image-upload-card .remove-image {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    width: 24px;
    height: 24px;
    background: var(--danger-500);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3;
    font-size: 1rem;
    line-height: 1;
}

.image-upload-card .remove-image:hover {
    background: var(--danger-600);
    transform: scale(1.1);
}

.images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

/* Scrollable modal body */
.modal-body {
    max-height: 70vh;
    overflow-y: auto;
    padding-right: 0.5rem;
}

.modal-body::-webkit-scrollbar {
    width: 6px;
}

.modal-body::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 3px;
}

.modal-body::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.modal-body::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* Images Subsection Styles */
.images-subsection {
    margin-bottom: 2rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.images-subsection:last-child {
    margin-bottom: 0;
}

.images-subsection h5 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 0 0.5rem 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.images-subsection .help-text {
    margin-bottom: 1rem;
    color: var(--text-tertiary);
}

/* Image Upload Grid */
.images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
}

/* Limit message */
.max-limit-message {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    margin-top: 0.5rem;
    display: none;
}

.max-limit-message.show {
    display: block;
}

/* Image indicator badges */
.image-indicator {
    position: absolute;
    top: 4px;
    left: 4px;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 2;
    pointer-events: none;
}

.image-indicator.input {
    background: var(--warning-500);
    color: white;
}

.image-indicator.result {
    background: var(--success-500);
    color: white;
}

/* Position image container for indicators */
.prompt-images {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    position: relative;
}

.image-thumb-wrapper {
    position: relative;
    display: inline-block;
}

.image-thumb {
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-sm);
    object-fit: cover;
    cursor: pointer;
    transition: transform var(--transition-fast);
    border: 2px solid transparent;
}

/* Larger thumbnails for grid view cards */
.prompts-container.grid-view .image-thumb {
    width: 140px;
    height: 230px;
    border-radius: var(--border-radius-sm);
    object-fit: cover;
}

.image-thumb.input {
    border-color: var(--warning-500);
}

.image-thumb.result {
    border-color: var(--success-500);
}

/* Sub-category styles */
.category-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.625rem 0.75rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-fast);
    user-select: none;
}

.category-item.has-children {
    flex-direction: column;
    align-items: stretch;
    padding: 0;
}

.category-item-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.625rem 0.75rem;
    width: 100%;
}

.category-item-content {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
}

.subcategories-list {
    padding-left: 1.5rem;
    margin: 0.25rem 0;
    border-left: 2px solid var(--border-color);
}

.subcategory-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0.75rem;
    margin: 0.125rem 0;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.subcategory-item.active {
    background: var(--primary-50);
    color: var(--primary-700);
}

.category-toggle {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.category-toggle.expanded {
    transform: rotate(90deg);
}

/* Category management modal */
.category-management {
    padding: 1rem;
}

.category-management-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-height: 300px;
    overflow-y: auto;
}

.manage-category-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}

.manage-category-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
}

.category-color-preview {
    width: 16px;
    height: 16px;
    border-radius: 4px;
}

.manage-category-actions {
    display: flex;
    gap: 0.5rem;
}

.category-breadcrumb {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-top: 0.25rem;
}

.category-count {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    background: var(--bg-tertiary);
    padding: 0.125rem 0.375rem;
    border-radius: 9999px;
    min-width: 24px;
    text-align: center;
}

/* Danger zone */
.danger-zone {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--danger-50);
    border: 1px solid var(--danger-200);
    border-radius: var(--border-radius);
}

.danger-zone h5 {
    color: var(--danger-700);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Section header actions */
.section-header-actions {
    display: flex;
    gap: 0.25rem;
}