/* Modern Black-White-Gray Theme */
:root {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #404040;
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --text-muted: #999999;
    --accent: #666666;
    --border: #333333;
    --success: #4CAF50;
    --error: #f44336;
    --warning: #ff9800;
    --shadow: rgba(0, 0, 0, 0.3);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 3rem;
}

.header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.stage-badges {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.stage-badge {
    background: rgba(76, 175, 80, 0.1);
    color: var(--success);
    border: 1px solid var(--success);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* Upload Section */
.upload-section {
    margin-bottom: 3rem;
}

.upload-zone {
    border: 2px dashed var(--border);
    border-radius: var(--border-radius);
    padding: 3rem 2rem;
    text-align: center;
    background: var(--bg-secondary);
    transition: var(--transition);
    cursor: pointer;
}

.upload-zone:hover,
.upload-zone.drag-over {
    border-color: var(--accent);
    background: var(--bg-tertiary);
    transform: translateY(-2px);
}

.upload-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.upload-icon {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.upload-zone h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.upload-zone p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.upload-btn {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

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

/* Progress */
.progress-container {
    margin-top: 1.5rem;
    text-align: center;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-secondary);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--success), #66bb6a);
    width: 0%;
    transition: width 0.3s ease;
}

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

/* Bulk Upload Section */
.upload-divider {
    text-align: center;
    margin: 2rem 0;
    position: relative;
}

.upload-divider span {
    background: var(--bg-primary);
    padding: 0 1rem;
    color: var(--text-muted);
    font-weight: 600;
    position: relative;
    z-index: 1;
}

.upload-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--border);
}

.bulk-upload-zone {
    border: 2px solid var(--border);
    border-radius: var(--border-radius);
    padding: 2rem;
    background: var(--bg-secondary);
}

.bulk-upload-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.bulk-upload-zone h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
}

.bulk-upload-zone p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.file-inputs {
    display: flex;
    gap: 1rem;
    width: 100%;
    flex-wrap: wrap;
}

.file-input-group {
    flex: 1;
    min-width: 200px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.file-label {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    border: 1px solid var(--border);
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.file-label:hover {
    background: var(--accent);
    border-color: var(--accent);
}

.file-name {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

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

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

/* Gallery Section */
.gallery-section {
    margin-bottom: 3rem;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.section-header h2 {
    font-size: 1.8rem;
    font-weight: 600;
}

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

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
}

.image-card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--border);
}

.image-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px var(--shadow);
    border-color: var(--accent);
}

.image-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.image-info {
    padding: 1rem;
}

.image-info h4 {
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    truncate: ellipsis;
}

.image-info p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

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

.empty-state i {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: var(--accent);
}

.empty-state p {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.empty-subtext {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    visibility: hidden;
    opacity: 0;
    transition: var(--transition);
}

.modal-overlay.active {
    visibility: visible;
    opacity: 1;
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal .modal-content {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid var(--border);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

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

.modal-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: var(--transition);
}

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

.modal-content {
    padding: 1.5rem;
}

.query-image-container {
    margin-bottom: 2rem;
    text-align: center;
}

.query-image-container h4 {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.query-image-container img {
    max-width: 200px;
    max-height: 200px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.results-container h4 {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

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

.result-card {
    background: var(--bg-tertiary);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.result-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent);
}

.result-card img {
    width: 100%;
    height: 120px;
    object-fit: cover;
}

.result-info {
    padding: 0.75rem;
}

.similarity-score {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.score-bar {
    flex: 1;
    height: 6px;
    background: var(--bg-secondary);
    border-radius: 3px;
    overflow: hidden;
}

.score-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--success), #66bb6a);
    transition: width 0.5s ease;
}

.score-text {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    min-width: 40px;
}

.rank-badge {
    display: inline-block;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 500;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    visibility: hidden;
    opacity: 0;
    transition: var(--transition);
}

.loading-overlay.active {
    visibility: visible;
    opacity: 1;
}

.loading-spinner {
    text-align: center;
    color: var(--text-primary);
}

.loading-spinner i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--accent);
}

.loading-spinner p {
    font-size: 1.1rem;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 1001;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 1rem 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    box-shadow: 0 4px 12px var(--shadow);
    min-width: 300px;
    transform: translateX(100%);
    transition: var(--transition);
}

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

.toast.success {
    border-color: var(--success);
    background: rgba(76, 175, 80, 0.1);
}

.toast.error {
    border-color: var(--error);
    background: rgba(244, 67, 54, 0.1);
}

.toast.warning {
    border-color: var(--warning);
    background: rgba(255, 152, 0, 0.1);
}

/* Recommendation UI Elements */
.user-selector {
    margin-top: 1rem;
    text-align: center;
}

.user-selector label {
    display: inline-block;
    margin-right: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.user-selector select {
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    min-width: 200px;
}

.user-selector select:hover {
    border-color: var(--accent);
}

.user-selector select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(102, 102, 102, 0.1);
}

/* Modal Tabs */
.modal-tabs {
    display: flex;
    gap: 0.5rem;
    padding: 1rem 1.5rem 0;
    border-bottom: 1px solid var(--border);
}

.tab-btn {
    flex: 1;
    padding: 0.75rem 1.5rem;
    background: transparent;
    color: var(--text-secondary);
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

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

.tab-btn.active {
    color: var(--text-primary);
    border-bottom-color: var(--accent);
    background: var(--bg-tertiary);
}

.tab-btn i {
    font-size: 1rem;
}

/* Source Badge */
.source-badge {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.source-visual {
    background: rgba(76, 175, 80, 0.2);
    color: var(--success);
    border: 1px solid var(--success);
}

.source-graph {
    background: rgba(33, 150, 243, 0.2);
    color: #2196F3;
    border: 1px solid #2196F3;
}

.source-two_tower {
    background: rgba(156, 39, 176, 0.2);
    color: #9C27B0;
    border: 1px solid #9C27B0;
}

.source-unified {
    background: rgba(255, 152, 0, 0.2);
    color: var(--warning);
    border: 1px solid var(--warning);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    .header h1 {
        font-size: 2rem;
    }

    .user-selector {
        margin-top: 0.75rem;
    }

    .user-selector select {
        min-width: 150px;
        font-size: 0.85rem;
    }

    .modal-tabs {
        gap: 0.25rem;
        padding: 0.75rem 1rem 0;
    }

    .tab-btn {
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 1rem;
    }

    .modal {
        width: 95%;
        margin: 1rem;
    }

    .results-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }

    .toast {
        min-width: 250px;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.image-card {
    animation: fadeIn 0.5s ease forwards;
}

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

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

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

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

/* Stage 2: Chat Panel Styles */
.chat-panel {
    position: fixed;
    right: 0;
    bottom: 0;
    width: 400px;
    height: 600px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--border-radius) 0 0 0;
    box-shadow: -4px 0 20px var(--shadow);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transform: translateY(calc(100% - 60px));
    transition: var(--transition);
}

.chat-panel.open {
    transform: translateY(0);
}

.chat-header {
    background: var(--bg-tertiary);
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.chat-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.chat-action-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 4px;
    transition: var(--transition);
}

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

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.chat-message {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    animation: fadeIn 0.3s ease;
}

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.user-message .message-avatar {
    background: #4a5568;
}

.assistant-message .message-avatar {
    background: var(--accent);
}

.message-avatar i {
    font-size: 1rem;
    color: var(--text-primary);
}

.message-content {
    background: var(--bg-tertiary);
    padding: 0.75rem 1rem;
    border-radius: 12px;
    max-width: 80%;
    color: var(--text-primary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.user-message .message-content {
    background: #4a5568;
}

.assistant-message .message-content {
    background: var(--bg-tertiary);
}

.typing-indicator .message-content {
    padding: 1rem;
}

.typing-dots {
    display: flex;
    gap: 0.3rem;
}

.typing-dots span {
    width: 8px;
    height: 8px;
    background: var(--text-secondary);
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

.typing-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {
    0%, 60%, 100% {
        opacity: 0.3;
        transform: translateY(0);
    }
    30% {
        opacity: 1;
        transform: translateY(-8px);
    }
}

.chat-input-container {
    padding: 1rem;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 0.75rem;
    background: var(--bg-secondary);
}

.chat-input-container textarea {
    flex: 1;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: inherit;
    resize: none;
    transition: var(--transition);
}

.chat-input-container textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.chat-input-container textarea::placeholder {
    color: var(--text-muted);
}

.chat-send-btn {
    background: var(--accent);
    border: none;
    color: white;
    width: 44px;
    height: 44px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    align-self: flex-end;
}

.chat-send-btn:hover {
    background: #7c3aed;
    transform: scale(1.05);
}

.chat-send-btn i {
    font-size: 1rem;
}

.chat-toggle-btn {
    position: fixed;
    right: 2rem;
    bottom: 2rem;
    background: var(--accent);
    color: white;
    border: none;
    padding: 1rem 1.5rem;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: 0 4px 20px var(--shadow);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition);
    z-index: 999;
}

.chat-toggle-btn:hover {
    background: #7c3aed;
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(147, 51, 234, 0.4);
}

/* Hide toggle button when chat panel exists (header already serves as toggle) */
.chat-panel ~ .chat-toggle-btn {
    display: none;
}

/* Stage 2: Video Details Section (INLINE, not modal) */
.video-details-section {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: 0;
    margin-top: 2rem;
    border: 1px solid var(--border);
    overflow: hidden;
}

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

.video-details-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
}

.video-details-header h3 i {
    color: var(--accent);
}

.close-details {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.close-details:hover {
    background: var(--error);
    border-color: var(--error);
    color: white;
}

.video-details-body {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-primary);
}

.video-container {
    position: sticky;
    top: 1rem;
}

.video-container video {
    width: 100%;
    aspect-ratio: 9/16;  /* Vertical video like TikTok */
    max-height: 500px;
    object-fit: contain;
    border-radius: 8px;
    background: #000;
}

.scenes-timeline {
    max-height: 600px;
    overflow-y: auto;
    padding-right: 0.5rem;
}

.scenes-timeline h4 {
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    position: sticky;
    top: 0;
    background: var(--bg-primary);
    padding: 0.5rem 0;
    z-index: 10;
}

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

.scene-item {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    min-height: auto;  /* Auto height for full content */
}

.scene-item:hover {
    border-color: var(--accent);
    background: var(--bg-secondary);
}

.scene-item.active {
    border-color: var(--accent);
    background: var(--accent);
}

.scene-thumbnail {
    width: 80px;
    height: 60px;
    border-radius: 4px;
    overflow: hidden;
    background: #000;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.scene-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.scene-thumbnail i {
    font-size: 1.5rem;
    color: var(--text-muted);
}

.scene-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.scene-number {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.85rem;
}

.scene-time {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.scene-category {
    display: inline-block;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    margin-top: 0.25rem;
}

.scene-description {
    color: var(--text-secondary);
    font-size: 0.75rem;
    margin-top: 0.5rem;
    line-height: 1.5;
    word-wrap: break-word;
    overflow-wrap: break-word;
    white-space: normal;
    /* REMOVED: max-height and overflow for full text display */
}

/* Stage 3: Animation Parameters */
.scene-params {
    color: var(--text-muted);
    font-size: 0.7rem;
    margin-top: 0.25rem;
    display: flex;
    align-items: flex-start;
    gap: 0.3rem;
    flex-wrap: wrap;
    line-height: 1.4;
    word-wrap: break-word;
}

.scene-params i {
    font-size: 0.65rem;
    color: var(--accent);
    margin-right: 0.2rem;
}

.scene-params strong {
    color: var(--text-secondary);
    font-weight: 500;
    margin-right: 0.3rem;
}

.scene-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    margin-top: 0.5rem;
}

.scene-tags .tag {
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    color: #818cf8;
    font-size: 0.65rem;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    white-space: nowrap;
}

.scene-metaphor {
    background: rgba(147, 51, 234, 0.1);
    border: 1px solid rgba(147, 51, 234, 0.3);
    color: #9333ea;
    font-size: 0.7rem;
    padding: 0.5rem 0.6rem;
    border-radius: 4px;
    margin-top: 0.5rem;
    display: flex;
    align-items: flex-start;
    gap: 0.4rem;
    word-wrap: break-word;
    white-space: normal;
    line-height: 1.4;
}

.scene-metaphor i {
    font-size: 0.8rem;
}

/* Color Palette */
.scene-colors {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
    font-size: 0.7rem;
    color: var(--text-secondary);
}

.scene-colors i {
    color: var(--text-muted);
}

.color-palette {
    display: flex;
    gap: 3px;
    margin-left: 0.3rem;
}

.color-swatch {
    width: 18px;
    height: 18px;
    border-radius: 3px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    cursor: help;
    transition: transform 0.2s;
}

.color-swatch:hover {
    transform: scale(1.3);
    z-index: 10;
    border-color: rgba(255, 255, 255, 0.5);
}

/* Library Component Badge */
.badge.library {
    background: rgba(59, 130, 246, 0.2);
    color: #3b82f6;
    border: 1px solid rgba(59, 130, 246, 0.4);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-size: 0.65rem;
    font-weight: 600;
    margin-left: 0.5rem;
}

/* Chat Search Results */
.chat-search-results {
    margin: 1rem 0;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: 8px;
    animation: fadeIn 0.3s ease;
}

.results-header {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 0.75rem;
}

.result-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
}

.result-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent);
    box-shadow: 0 4px 12px var(--shadow);
}

.result-card img {
    width: 100%;
    height: 80px;
    object-fit: cover;
}

.result-placeholder {
    width: 100%;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #000;
    color: var(--text-muted);
}

.result-info {
    padding: 0.5rem;
}

.result-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.result-category {
    font-size: 0.65rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.result-time {
    font-size: 0.65rem;
    color: var(--text-muted);
}

.scene-favorite {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 4px;
    transition: var(--transition);
}

.scene-favorite:hover {
    color: var(--error);
    background: var(--bg-secondary);
}

.scene-favorite .fa-heart {
    color: var(--error);
}

/* Chat Panel Toggle */
function toggleChat() {
    const panel = document.getElementById('chatPanel');
    panel.classList.toggle('open');
}

/* Responsive */
@media (max-width: 1024px) {
    .video-details-body {
        grid-template-columns: 1fr;
        padding: 1rem;
    }

    .video-container {
        position: relative;
    }

    .video-container video {
        max-width: 100%;
    }

    .scenes-timeline {
        max-height: 400px;
    }

    .chat-panel {
        width: 100%;
        height: 100vh;
    }

    .chat-toggle-btn {
        right: 1rem;
        bottom: 1rem;
    }

    .gallery {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
}

/* Metadata Form Styles */
.metadata-form {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 2rem;
    margin-top: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.metadata-form h3 {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-size: 1.2rem;
}

.metadata-field-group {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.file-preview {
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.file-preview strong {
    color: var(--accent);
    font-size: 0.95rem;
}

.metadata-form .field {
    margin-bottom: 1rem;
}

.metadata-form .field:last-child {
    margin-bottom: 0;
}

.metadata-form label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.metadata-form input[type="text"] {
    width: 100%;
    padding: 0.75rem;
    background: var(--bg-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: all 0.2s ease;
}

.metadata-form input[type="text"]:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(147, 51, 234, 0.1);
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-primary, .btn-secondary {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.btn-primary:hover {
    background: #7c3aed;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(147, 51, 234, 0.4);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

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

/* Vid4k Custom Styles - Additional */
.title-input {
    margin-top: 1rem;
    width: 100%;
}

.video-title-input {
    width: 100%;
    padding: 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.video-title-input::placeholder {
    color: var(--text-muted);
}

.video-title-input:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--bg-secondary);
}

/* Search Section */
.search-section {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 2rem;
}

.search-section h2 {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

.search-box {
    display: flex;
    gap: 10px;
}

.search-box input {
    flex: 1;
    padding: 12px 20px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

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

.search-box input:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--bg-secondary);
}

.search-box button {
    padding: 12px 30px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: var(--transition);
}

.search-box button:hover {
    background: var(--accent);
    border-color: var(--accent);
}

.search-box button i {
    margin-right: 0.5rem;
}

/* Gallery Section */
.gallery-section {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: 2rem;
}

/* Video Gallery Grid */
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.video-card {
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--border);
}

.video-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px var(--shadow);
    border-color: var(--accent);
}

.video-thumbnail {
    position: relative;
    width: 100%;
    height: 180px;
    overflow: hidden;
    background: #000;
}

.video-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.video-card:hover .video-thumbnail img {
    transform: scale(1.05);
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.video-card:hover .video-overlay {
    opacity: 1;
}

.video-overlay i {
    font-size: 3rem;
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.video-placeholder {
    width: 100%;
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
}

.video-placeholder i {
    font-size: 3rem;
    color: var(--text-muted);
}

.video-info {
    padding: 1rem;
}

.video-info h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.video-info .badge {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 500;
    margin-right: 0.3rem;
    margin-bottom: 0.3rem;
}

.video-info .badge.category {
    background: rgba(76, 175, 80, 0.2);
    color: var(--success);
}

.video-info .badge.style {
    background: rgba(33, 150, 243, 0.2);
    color: #2196F3;
}

.video-info .thematics {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    margin-top: 0.5rem;
}

.video-info .tag {
    background: var(--bg-secondary);
    color: var(--text-muted);
    padding: 0.15rem 0.4rem;
    border-radius: 3px;
    font-size: 0.65rem;
}

.video-info .description {
    color: var(--text-secondary);
    font-size: 0.75rem;
    margin-top: 0.5rem;
    line-height: 1.4;
}

.video-info .similarity {
    color: var(--success);
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 0.5rem;
}

.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Processing Video Card */
.video-card.processing {
    opacity: 0.7;
    cursor: default;
}

.video-card.processing:hover {
    transform: none;
}

.video-placeholder.processing {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
}

.video-placeholder.processing i {
    font-size: 2rem;
    color: var(--accent);
}

.video-placeholder.processing span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.badge.processing {
    background: rgba(255, 152, 0, 0.2);
    color: var(--warning);
    border: 1px solid var(--warning);
    animation: pulse-badge 1.5s ease-in-out infinite;
}

@keyframes pulse-badge {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* ===== APPLIED FILTERS & COMMANDS (NEW) ===== */

/* Applied filters container */
.applied-filters {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    margin: 0.75rem 0 0.5rem 0;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    animation: fadeIn 0.3s ease;
}

/* Filter label */
.filter-label {
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    margin-right: 0.25rem;
}

/* Filter chip */
.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 0.3rem 0.75rem;
    font-size: 0.75rem;
    color: var(--text-primary);
    transition: var(--transition);
}

.filter-chip:hover {
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.05);
}

/* Filter remove button */
.filter-remove {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
    margin: 0;
    font-size: 1rem;
    line-height: 1;
    transition: color 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.filter-remove:hover {
    color: var(--error);
}

/* Command buttons container */
.command-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0.5rem 0 0.75rem 0;
    padding: 0 0.75rem;
}

/* Command button */
.command-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.4rem 0.75rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.command-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent);
    color: var(--accent);
}

.command-btn i {
    font-size: 0.7rem;
}

/* Adjacent suggestions */
.adjacent-suggestions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    margin: 0.75rem 0;
    padding: 0.75rem;
    background: rgba(99, 102, 241, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(99, 102, 241, 0.15);
}

.suggestion-label {
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    margin-right: 0.25rem;
}

.suggestion-chip {
    display: inline-flex;
    align-items: center;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 12px;
    padding: 0.25rem 0.65rem;
    font-size: 0.75rem;
    color: var(--accent);
    cursor: pointer;
    transition: var(--transition);
}

.suggestion-chip:hover {
    background: rgba(99, 102, 241, 0.2);
    border-color: var(--accent);
    transform: translateY(-1px);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .applied-filters,
    .command-buttons,
    .adjacent-suggestions {
        gap: 0.4rem;
        padding: 0.5rem;
    }

    .filter-chip,
    .command-btn,
    .suggestion-chip {
        font-size: 0.7rem;
        padding: 0.25rem 0.6rem;
    }
}