/* ============================================
   ENHANCED UI STYLES
   Supporting styles for improved UX features
   ============================================ */

/* Animations */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

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

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

.animate-float {
    animation: float 3s ease-in-out infinite;
}

.animate-shimmer {
    animation: shimmer 2s infinite;
}

.animate-slide-in-right {
    animation: slideInRight 0.3s ease-out;
}

.animate-slide-out-right {
    animation: slideOutRight 0.3s ease-in;
}

/* Enhanced Table Styles */
.enhanced-table {
    position: relative;
}

.enhanced-table th {
    user-select: none;
    position: relative;
}

.enhanced-table th.sortable {
    cursor: pointer;
    transition: background-color 0.2s;
}

.enhanced-table th.sortable:hover {
    background-color: rgba(0, 0, 0, 0.03);
}

.dark .enhanced-table th.sortable:hover {
    background-color: rgba(255, 255, 255, 0.03);
}

.enhanced-table th.sorted-asc::after,
.enhanced-table th.sorted-desc::after {
    content: '';
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
}

.enhanced-table th.sorted-asc::after {
    border-bottom: 4px solid currentColor;
}

.enhanced-table th.sorted-desc::after {
    border-top: 4px solid currentColor;
}

.enhanced-table tr.selected {
    background-color: rgba(59, 130, 246, 0.1);
}

.dark .enhanced-table tr.selected {
    background-color: rgba(59, 130, 246, 0.2);
}

.enhanced-table tbody tr {
    transition: background-color 0.15s;
}

.enhanced-table tbody tr:hover {
    background-color: rgba(0, 0, 0, 0.02);
}

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

/* Bulk Actions Bar */
.bulk-actions-bar {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    z-index: 40;
    transition: transform 0.3s ease-out;
}

.dark .bulk-actions-bar {
    background: #2d3748;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.bulk-actions-bar.show {
    transform: translateX(-50%) translateY(0);
}

/* Filter Chips */
.filter-chips-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

/* Search Enhancement */
.search-container {
    position: relative;
}

.search-input {
    padding-left: 40px;
    padding-right: 100px;
}

.search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #9ca3af;
    pointer-events: none;
}

.search-clear {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #9ca3af;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s;
}

.search-clear.show {
    opacity: 1;
}

.search-clear:hover {
    color: #ef4444;
}

/* Live Search Results */
.search-results-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    margin-top: 4px;
    max-height: 400px;
    overflow-y: auto;
    z-index: 50;
    display: none;
}

.dark .search-results-dropdown {
    background: #2d3748;
    border-color: #4a5568;
}

.search-results-dropdown.show {
    display: block;
}

.search-result-item {
    padding: 12px;
    border-bottom: 1px solid #f3f4f6;
    cursor: pointer;
    transition: background-color 0.15s;
}

.dark .search-result-item {
    border-bottom-color: #374151;
}

.search-result-item:hover {
    background-color: #f9fafb;
}

.dark .search-result-item:hover {
    background-color: #374151;
}

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

/* Column Resizer */
.column-resizer {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    cursor: col-resize;
    user-select: none;
    background: transparent;
}

.column-resizer:hover,
.column-resizer.resizing {
    background: #3b82f6;
}

/* Drag & Drop */
.draggable {
    cursor: move;
    transition: opacity 0.2s;
}

.draggable:hover {
    opacity: 0.8;
}

.dragging {
    opacity: 0.5;
}

.drop-zone {
    border: 2px dashed #cbd5e0;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    transition: all 0.2s;
}

.drop-zone.drag-over {
    border-color: #3b82f6;
    background-color: rgba(59, 130, 246, 0.05);
}

/* Inline Edit */
.inline-edit {
    position: relative;
}

.inline-edit-input {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: white;
    border: 2px solid #3b82f6;
    border-radius: 4px;
    padding: 4px 8px;
    font-family: inherit;
    font-size: inherit;
}

.dark .inline-edit-input {
    background: #1a202c;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 400px;
}

.toast {
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    padding: 16px;
    display: flex;
    align-items: start;
    gap: 12px;
    animation: slideInRight 0.3s ease-out;
}

.dark .toast {
    background: #2d3748;
    color: #E2E8F0; /* ensure readable text on dark background */
}

.toast.removing {
    animation: slideOutRight 0.3s ease-in;
}

.toast-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toast-success .toast-icon {
    background: #10b981;
    color: white;
}

.toast-error .toast-icon {
    background: #ef4444;
    color: white;
}

.toast-warning .toast-icon {
    background: #f59e0b;
    color: white;
}

.toast-info .toast-icon {
    background: #3b82f6;
    color: white;
}

/* Undo Bar */
.undo-bar {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: #1f2937;
    color: white;
    padding: 12px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 9998;
    transition: transform 0.3s ease-out;
}

.undo-bar.show {
    transform: translateX(-50%) translateY(0);
}

/* Recently Viewed Dropdown */
.recently-viewed-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    margin-top: 8px;
    width: 320px;
    max-height: 400px;
    overflow-y: auto;
    z-index: 50;
    display: none;
}

.dark .recently-viewed-dropdown {
    background: #2d3748;
    border-color: #4a5568;
}

.recently-viewed-dropdown.show {
    display: block;
}

.recently-viewed-item {
    padding: 12px;
    border-bottom: 1px solid #f3f4f6;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: background-color 0.15s;
}

.dark .recently-viewed-item {
    border-bottom-color: #374151;
}

.recently-viewed-item:hover {
    background-color: #f9fafb;
}

.dark .recently-viewed-item:hover {
    background-color: #374151;
}

/* Progress Ring for Timer */
.progress-ring {
    transform: rotate(-90deg);
}

.progress-ring-circle {
    transition: stroke-dashoffset 0.35s;
    transform-origin: 50% 50%;
}

/* Favorites Star */
.favorite-star {
    cursor: pointer;
    transition: all 0.2s;
    color: #d1d5db;
}

.favorite-star:hover {
    transform: scale(1.2);
    color: #fbbf24;
}

.favorite-star.active {
    color: #fbbf24;
}

/* Quick Filter Buttons */
.quick-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.quick-filter-btn {
    padding: 6px 12px;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    background: white;
    color: #6b7280;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 14px;
}

.dark .quick-filter-btn {
    background: #374151;
    border-color: #4b5563;
    color: #9ca3af;
}

.quick-filter-btn:hover {
    border-color: #3b82f6;
    color: #3b82f6;
}

.quick-filter-btn.active {
    background: #3b82f6;
    border-color: #3b82f6;
    color: white;
}

/* Form Auto-save Indicator */
.autosave-indicator {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 8px 16px;
    background: white;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #6b7280;
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 40;
}

.dark .autosave-indicator {
    background: #374151;
    color: #9ca3af;
}

.autosave-indicator.show {
    opacity: 1;
}

.autosave-indicator.saving {
    color: #3b82f6;
}

.autosave-indicator.saved {
    color: #10b981;
}

/* Column Visibility Toggle */
.column-toggle-dropdown {
    position: absolute;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    padding: 12px;
    z-index: 50;
    display: none;
    min-width: 200px;
}

.dark .column-toggle-dropdown {
    background: #2d3748;
    border-color: #4a5568;
}

.column-toggle-dropdown.show {
    display: block;
}

.column-toggle-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px;
    cursor: pointer;
    border-radius: 4px;
}

.column-toggle-item:hover {
    background-color: #f3f4f6;
}

.dark .column-toggle-item:hover {
    background-color: #374151;
}

/* Responsive Utility Classes */
@media (max-width: 768px) {
    .toast-container {
        top: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
    }
    
    .bulk-actions-bar {
        left: 10px;
        right: 10px;
        transform: translateX(0) translateY(100px);
    }
    
    .bulk-actions-bar.show {
        transform: translateX(0) translateY(0);
    }
    
    .recently-viewed-dropdown {
        width: calc(100vw - 20px);
        left: 10px;
        right: 10px;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus visible for keyboard navigation */
:focus-visible {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}

/* Skip to content link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: #3b82f6;
    color: white;
    padding: 8px 16px;
    z-index: 100;
    border-radius: 0 0 4px 0;
}

.skip-link:focus {
    top: 0;
}

/* ============================================
   Markdown content styling (fallback to match app)
   Applies when Tailwind Typography is not available
   ============================================ */
.prose, .prose-sm {
    color: #2D3748;
    line-height: 1.7;
}
.dark .prose, .dark .prose-sm { color: #E2E8F0; }
.prose h1, .prose h2, .prose h3, .prose-sm h1, .prose-sm h2, .prose-sm h3 {
    color: inherit;
    font-weight: 700;
    margin: 0.75rem 0 0.5rem;
}
.prose h4, .prose h5, .prose h6, .prose-sm h4, .prose-sm h5, .prose-sm h6 {
    color: inherit;
    font-weight: 600;
    margin: 0.75rem 0 0.5rem;
}
.prose p, .prose-sm p { margin: 0.5rem 0; }
.prose a, .prose-sm a { color: #3B82F6; text-decoration: underline; }
.dark .prose a, .dark .prose-sm a { color: #60A5FA; }
.prose ul, .prose ol, .prose-sm ul, .prose-sm ol { 
    padding-left: 1.5rem; 
    margin: 0.75rem 0; 
    display: block;
    list-style-position: outside;
}
.prose ul, .prose-sm ul {
    list-style-type: disc;
}
.prose ol, .prose-sm ol {
    list-style-type: decimal;
}
.prose li, .prose-sm li { 
    margin: 0.25rem 0; 
    display: list-item;
}
.prose ul ul, .prose ol ol, .prose ul ol, .prose ol ul,
.prose-sm ul ul, .prose-sm ol ol, .prose-sm ul ol, .prose-sm ol ul {
    margin-top: 0.25rem;
    margin-bottom: 0.25rem;
}
.prose code, .prose-sm code {
    background: #F7F9FB;
    color: #1F2937;
    padding: 0.1rem 0.3rem;
    border-radius: 4px;
}
.dark .prose code, .dark .prose-sm code { background: #1F2937; color: #E5E7EB; }
.prose pre, .prose-sm pre {
    background: #0B1220;
    color: #E5E7EB;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    overflow-x: auto;
}
.dark .prose pre, .dark .prose-sm pre { background: #0B1220; }
.prose blockquote, .prose-sm blockquote {
    border-left: 4px solid #3B82F6;
    padding-left: 0.75rem;
    margin: 0.75rem 0;
    color: #475569;
}
.dark .prose blockquote, .dark .prose-sm blockquote { color: #94A3B8; }
.prose table, .prose-sm table { width: 100%; border-collapse: collapse; }
.prose table th, .prose table td, .prose-sm table th, .prose-sm table td {
    border: 1px solid #E2E8F0; padding: 0.5rem 0.75rem;
}
.dark .prose table th, .dark .prose table td, .dark .prose-sm table th, .dark .prose-sm table td { border-color: #4A5568; }
.prose img, .prose-sm img { max-width: 100%; border-radius: 8px; }

/* ============================================
   Toast UI Editor – theme bridging to match app
   ============================================ */
.toastui-editor-defaultUI {
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    border-radius: 8px;
}
.dark .toastui-editor-defaultUI {
    background: #2D3748;
    border-color: #4A5568;
}
.toastui-editor-defaultUI .toastui-editor-toolbar {
    background: transparent;
    border-bottom-color: #E2E8F0;
}
.dark .toastui-editor-defaultUI .toastui-editor-toolbar { border-bottom-color: #4A5568; }
.toastui-editor-defaultUI .ProseMirror,
.toastui-editor-contents {
    color: #2D3748;
}
.dark .toastui-editor-defaultUI .ProseMirror,
.dark .toastui-editor-contents {
    color: #E2E8F0;
}
.toastui-editor-contents a { color: #3B82F6; }
.dark .toastui-editor-contents a { color: #60A5FA; }
.toastui-editor-contents pre { background: #0B1220; color: #E5E7EB; border-radius: 8px; }
.toastui-editor-contents code { background: #F7F9FB; color: #1F2937; padding: 0.1rem 0.3rem; border-radius: 4px; }
.dark .toastui-editor-contents code { background: #1F2937; color: #E5E7EB; }

/* Progress Indicator Animation */
@keyframes progress-indeterminate {
    0% {
        transform: translateX(-100%);
    }
    50% {
        transform: translateX(0%);
    }
    100% {
        transform: translateX(100%);
    }
}

.fade-in-up {
    animation: fadeInUp 0.5s ease-out;
}

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