/* Video Generator - Intelligent Dashboard Styles */
/* Uses CSS variables from dashboard.css */

/* Header Navigation */
.header-nav {
    display: flex;
    align-items: center;
    gap: 20px;
}

.back-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

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

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
}

.card h2 {
    margin: 0 0 20px 0;
    font-size: 18px;
    font-weight: 600;
}

/* SKU Input Section */
.sku-input-section .sku-input-group {
    display: flex;
    gap: 12px;
}

.sku-input-group input {
    flex: 1;
    padding: 12px 16px;
    font-size: 16px;
    border: 2px solid var(--border);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-mono);
    text-transform: uppercase;
}

.sku-input-group input:focus {
    border-color: var(--accent);
    outline: none;
}

.error-message {
    color: var(--error);
    margin-top: 12px;
    font-size: 14px;
}

/* SKU Search Box */
.sku-search-box {
    display: flex;
    gap: 12px;
}

.sku-search-box input {
    flex: 1;
    padding: 14px 16px;
    font-size: 16px;
    border: 2px solid var(--border);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-mono);
    text-transform: uppercase;
}

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

.sku-search-box input::placeholder {
    text-transform: none;
}

.sku-search-box .btn-primary {
    white-space: nowrap;
}

/* Suggestions Bar */
.suggestions-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(26, 26, 26, 0.1);
    border-radius: 8px;
    margin-bottom: 20px;
}

.suggestion-icon {
    font-size: 20px;
}

.suggestion-text {
    flex: 1;
    font-size: 14px;
}

.btn-small {
    padding: 6px 12px;
    font-size: 12px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: opacity 0.2s;
}

.btn-small:hover {
    opacity: 0.9;
}

/* Images Grid */
.images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.image-card {
    background: var(--bg-primary);
    border: 2px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    transition: border-color 0.2s, transform 0.2s;
}

.image-card:hover {
    border-color: var(--text-secondary);
}

.image-card.selected-face-a {
    border-color: #4CAF50;
    box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.3);
}

.image-card.selected-face-b {
    border-color: #2196F3;
    box-shadow: 0 0 0 2px rgba(33, 150, 243, 0.3);
}

.image-preview {
    position: relative;
    aspect-ratio: 1;
    background: #111;
}

.image-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-badges {
    position: absolute;
    bottom: 8px;
    left: 8px;
    display: flex;
    gap: 4px;
}

.badge {
    padding: 4px 8px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
}

.badge-macaron {
    background: #FF9800;
    color: #000;
}

.badge-cover {
    background: #9C27B0;
}

.badge-action {
    background: rgba(255, 255, 255, 0.2);
}

.image-info {
    padding: 8px 12px;
    display: flex;
    justify-content: space-between;
    font-size: 11px;
}

.filename {
    font-family: var(--font-mono);
    color: var(--text-primary);
}

.resolution {
    color: var(--text-secondary);
}

.image-actions {
    display: flex;
    border-top: 1px solid var(--border);
}

.btn-face {
    flex: 1;
    padding: 10px;
    font-size: 12px;
    font-weight: 600;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.btn-face:first-child {
    border-right: 1px solid var(--border);
}

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

.btn-face.active:first-child {
    background: #4CAF50;
    color: white;
}

.btn-face.active:last-child {
    background: #2196F3;
    color: white;
}

/* Tracks Section */
.product-info {
    margin-bottom: 20px;
}

.product-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.product-header h3 {
    margin: 0;
    font-size: 16px;
}

.track-count {
    font-size: 12px;
    color: var(--text-secondary);
    background: var(--bg-primary);
    padding: 4px 8px;
    border-radius: 4px;
}

.tracks-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.tracks-column h4 {
    margin: 0 0 12px 0;
    font-size: 14px;
    color: var(--text-secondary);
}

.track-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.track-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
}

.track-position {
    font-family: var(--font-mono);
    color: var(--text-secondary);
    width: 24px;
}

.track-title {
    flex: 1;
}

.track-duration {
    font-family: var(--font-mono);
    color: var(--text-secondary);
    font-size: 12px;
}

.total-duration {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    font-size: 14px;
    text-align: right;
}

/* Configuration Section */
.config-grid {
    display: grid;
    gap: 24px;
}

.config-group label {
    display: block;
    margin-bottom: 12px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
}

.format-buttons {
    display: flex;
    gap: 12px;
}

.format-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px;
    background: var(--bg-primary);
    border: 2px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.format-btn:hover {
    border-color: var(--text-secondary);
}

.format-btn.active {
    border-color: var(--accent);
    background: rgba(26, 26, 26, 0.1);
}

.format-icon {
    font-size: 24px;
}

.format-name {
    font-weight: 600;
    color: var(--text-primary);
}

.format-ratio {
    font-size: 12px;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.effects-config {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.effect-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.effect-item span {
    width: 60px;
    font-size: 13px;
    color: var(--text-secondary);
}

.effect-item select {
    flex: 1;
    padding: 8px 12px;
    font-size: 13px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
}

/* YouTube Section */
.youtube-toggle {
    margin-bottom: 20px;
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
}

.toggle-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
}

.toggle-text {
    font-size: 14px;
}

.youtube-config {
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    font-size: 14px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: inherit;
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    cursor: pointer;
}

/* Generate Section */
.generate-summary {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
    padding: 16px;
    background: var(--bg-primary);
    border-radius: 8px;
}

.summary-item {
    font-size: 13px;
}

.summary-label {
    color: var(--text-secondary);
    margin-right: 8px;
}

.btn-generate {
    width: 100%;
    padding: 16px;
    font-size: 16px;
    font-weight: 600;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-generate:hover:not(:disabled) {
    opacity: 0.9;
    transform: translateY(-1px);
}

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

/* Progress Section */
.progress-container {
    margin-bottom: 20px;
}

.progress-bar-large {
    height: 12px;
    background: var(--bg-primary);
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-bar-large .progress-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 6px;
    transition: width 0.3s ease;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
}

.progress-percent {
    font-weight: 600;
    font-family: var(--font-mono);
}

.progress-status {
    color: var(--text-secondary);
}

.progress-logs {
    max-height: 200px;
    overflow-y: auto;
    padding: 12px;
    background: var(--bg-primary);
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 11px;
}

.log-entry {
    display: flex;
    gap: 12px;
    margin-bottom: 4px;
}

.log-time {
    color: var(--text-secondary);
}

.log-message {
    color: var(--text-primary);
}

/* Result Section */
.result-content {
    text-align: center;
}

.result-video {
    margin-bottom: 20px;
}

.result-video video {
    max-width: 100%;
    max-height: 400px;
    border-radius: 8px;
}

.result-info {
    display: grid;
    gap: 8px;
    margin-bottom: 20px;
    text-align: left;
}

.result-item {
    font-size: 13px;
}

.result-item a {
    color: var(--accent);
}

.result-label {
    color: var(--text-secondary);
    margin-right: 8px;
}

.result-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}

/* Buttons */
.btn-primary {
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: opacity 0.2s;
}

.btn-primary:hover {
    opacity: 0.9;
}

.btn-secondary {
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-secondary:hover {
    background: var(--bg-card);
}

/* Responsive */
@media (max-width: 768px) {
    .tracks-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .format-buttons {
        flex-direction: column;
    }

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

/* =============================================================================
   V2 INTELLIGENT INTERFACE STYLES
   ============================================================================= */

/* Step Indicator */
.step-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: 20px 0;
    margin-bottom: 24px;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 0 20px;
}

.step-number {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--bg-card);
    border: 2px solid var(--border);
    font-weight: 600;
    font-size: 14px;
}

.step.active .step-number {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

.step.completed .step-number {
    background: var(--success, #22c55e);
    border-color: var(--success, #22c55e);
    color: white;
}

.step-label {
    font-size: 12px;
    color: var(--text-secondary);
}

.step.active .step-label {
    color: var(--text-primary);
    font-weight: 600;
}

.step-line {
    flex: 1;
    height: 2px;
    background: var(--border);
    max-width: 100px;
}

.step-line.active {
    background: var(--accent);
}

/* Error Banner */
.error-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 8px;
    margin-bottom: 20px;
    color: #ef4444;
}

.error-banner button {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: inherit;
}

/* Product Selection */
.product-selection .search-box {
    margin-bottom: 20px;
}

.search-box input {
    width: 100%;
    padding: 12px 16px;
    font-size: 14px;
    border: 2px solid var(--border);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-primary);
}

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

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    max-height: 500px;
    overflow-y: auto;
    padding: 4px;
}

.product-card {
    background: var(--bg-primary);
    border: 2px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.2s;
}

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

.product-card .product-image {
    aspect-ratio: 1;
    overflow: hidden;
    background: var(--bg-card);
}

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

.product-card .no-image {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 12px;
}

.product-card .product-info {
    padding: 12px;
}

.product-card .product-sku {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 4px;
}

.product-card .product-title {
    font-size: 13px;
    margin-bottom: 8px;
    line-height: 1.3;
}

.product-card .product-meta {
    display: flex;
    flex-direction: column;
    gap: 2px;
    font-size: 11px;
    color: var(--text-secondary);
}

.product-card .product-meta .label {
    color: var(--accent);
}

/* Loading States */
.loading-state,
.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 16px;
}

.spinner-small {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 8px;
}

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

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.loading-overlay p {
    color: white;
    margin-top: 16px;
}

/* Configuration Layout */
.config-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.config-left,
.config-right {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Card Headers */
.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.card-header h3 {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
}

/* Badges */
.badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
}

.badge-primary { background: var(--accent); color: white; }
.badge-info { background: #3b82f6; color: white; }
.badge-warning { background: #f59e0b; color: black; }
.badge-danger { background: #ef4444; color: white; }
.badge-secondary { background: var(--border); color: var(--text-primary); }
.badge-source { background: var(--bg-primary); color: var(--text-secondary); }

/* Product Details */
.product-details p {
    margin: 0 0 8px 0;
    font-size: 13px;
}

.detection-info {
    padding: 8px 12px;
    background: var(--bg-primary);
    border-radius: 6px;
    margin-top: 12px;
}

/* Form Elements */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    font-size: 13px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--accent);
    outline: none;
}

.input-error {
    border-color: #ef4444 !important;
}

.char-count { color: var(--text-secondary); font-size: 12px; }
.char-over { color: #ef4444; font-size: 12px; }

/* Tracklist */
.side-tracks {
    margin-bottom: 16px;
}

.side-tracks h4 {
    font-size: 13px;
    font-weight: 600;
    margin: 0 0 8px 0;
    color: var(--text-secondary);
}

.track-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.track-item {
    display: flex;
    gap: 8px;
    padding: 6px 0;
    font-size: 12px;
    border-bottom: 1px solid var(--border);
}

.track-pos {
    font-family: var(--font-mono);
    font-weight: 600;
    min-width: 30px;
}

.track-artist {
    color: var(--text-secondary);
}

/* Image Grid V2 */
.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

.image-card {
    border: 2px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.2s;
}

.image-card.selected-a {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(var(--accent-rgb, 30, 126, 215), 0.3);
}

.image-card.selected-b {
    border-color: #22c55e;
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.3);
}

.image-card .image-preview {
    position: relative;
    aspect-ratio: 1;
}

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

.image-card .image-type {
    position: absolute;
    top: 4px;
    right: 4px;
}

.type-macaron {
    padding: 2px 6px;
    background: #22c55e;
    color: white;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 600;
}

.type-cover {
    padding: 2px 6px;
    background: #3b82f6;
    color: white;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 600;
}

.image-card .image-actions {
    display: flex;
    gap: 4px;
    padding: 8px;
}

.btn-face-a,
.btn-face-b {
    flex: 1;
    padding: 6px;
    font-size: 12px;
    font-weight: 600;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-face-a {
    background: var(--bg-primary);
    color: var(--text-primary);
}

.btn-face-a.active {
    background: var(--accent);
    color: white;
    border: 2px solid var(--accent);
    box-shadow: 0 0 0 3px rgba(30, 126, 215, 0.3);
    font-weight: 800;
    transform: scale(1.05);
}

.btn-face-b {
    background: var(--bg-primary);
    color: var(--text-primary);
}

.btn-face-b.active {
    background: #22c55e;
    color: white;
    border: 2px solid #22c55e;
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.3);
    font-weight: 800;
    transform: scale(1.05);
}

/* Face Configuration */
.face-config {
    padding: 12px;
    background: var(--bg-primary);
    border-radius: 6px;
}

.face-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    font-size: 13px;
}

.face-row + .face-row {
    border-top: 1px solid var(--border);
}

.face-row.configured {
    color: var(--text-primary);
}

.face-row .required {
    color: #ef4444;
    font-size: 12px;
}

.face-row .optional {
    color: var(--text-secondary);
    font-size: 12px;
}

.effect-select {
    padding: 4px 8px;
    font-size: 12px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--bg-card);
    color: var(--text-primary);
}

.btn-clear {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 16px;
    cursor: pointer;
    padding: 0 4px;
}

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

.double-pack-notice {
    margin-top: 12px;
    padding: 8px 12px;
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 6px;
    font-size: 12px;
    color: #f59e0b;
}

/* Format Options V2 */
.format-options {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.format-option {
    flex: 1;
    padding: 12px;
    border: 2px solid var(--border);
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
}

.format-option.active {
    border-color: var(--accent);
    background: rgba(var(--accent-rgb, 30, 126, 215), 0.1);
}

.format-preview {
    background: var(--bg-primary);
    margin: 0 auto 8px;
    border-radius: 4px;
}

.ratio-16-9 { width: 48px; height: 27px; }
.ratio-9-16 { width: 27px; height: 48px; }
.ratio-1-1 { width: 36px; height: 36px; }

.format-option span {
    font-size: 12px;
    font-weight: 600;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    cursor: pointer;
}

/* Actions Card */
.actions-card .card-body {
    padding: 16px;
}

.validation-errors,
.validation-warnings {
    padding: 8px 12px;
    border-radius: 6px;
    margin-bottom: 12px;
    font-size: 12px;
}

.validation-errors {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

.validation-warnings {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #f59e0b;
}

.validation-errors ul,
.validation-warnings ul {
    margin: 0;
    padding-left: 16px;
}

.action-buttons {
    display: flex;
    justify-content: space-between;
    gap: 12px;
}

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

/* Result Layout */
.result-layout {
    max-width: 600px;
    margin: 0 auto;
}

.result-card .card-header.success {
    background: #22c55e;
    color: white;
    margin: -24px -24px 16px -24px;
    padding: 16px 24px;
    border-radius: 12px 12px 0 0;
}

.result-details {
    padding: 16px;
    background: var(--bg-primary);
    border-radius: 8px;
    margin-bottom: 16px;
}

.result-details p {
    margin: 0 0 8px 0;
    font-size: 13px;
}

.result-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}

/* Progress V2 */
.progress-bar-container {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.progress-bar {
    flex: 1;
    height: 8px;
    background: var(--bg-primary);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 4px;
    transition: width 0.3s;
}

.progress-percent {
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 600;
    min-width: 50px;
}

.progress-status {
    text-align: center;
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 16px;
}

.log-msg {
    color: var(--text-primary);
}

/* Responsive V2 */
@media (max-width: 1024px) {
    .config-layout {
        grid-template-columns: 1fr;
    }
}

/* ===== V2 TRACK INTERFACE ===== */

/* Header badges */
.header-badges {
    display: flex;
    gap: 8px;
}

/* Track actions */
.track-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.selection-count {
    font-size: 13px;
    color: var(--text-secondary);
    margin-left: auto;
}

/* Tracks V2 list */
.tracks-v2-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.track-v2-item {
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
    border: 2px solid var(--border);
    border-radius: 8px;
    transition: all 0.2s;
    overflow: hidden;
}

.track-v2-item.expanded {
    border-color: var(--accent);
}

.track-v2-header {
    display: grid;
    grid-template-columns: 30px 1fr auto auto;
    gap: 12px;
    align-items: center;
    padding: 12px;
    cursor: pointer;
    transition: background 0.2s;
}

.track-v2-header:hover {
    background: rgba(139, 92, 246, 0.03);
}

.track-expand-icon {
    font-size: 10px;
    color: var(--text-secondary);
    padding: 4px;
}

.track-v2-item.selected {
    border-color: var(--accent);
    background: rgba(139, 92, 246, 0.05);
}

.track-v2-item.status-found {
    border-left: 4px solid #22c55e;
}

.track-v2-item.status-url {
    border-left: 4px solid #f59e0b;
}

.track-v2-item.status-missing {
    border-left: 4px solid #ef4444;
}

/* Track select checkbox */
.track-v2-select {
    display: flex;
    align-items: center;
    justify-content: center;
}

.track-v2-select input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
    cursor: pointer;
}

/* Track info */
.track-v2-info {
    min-width: 0;
}

.track-v2-name {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
}

.track-v2-name .track-pos {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--accent);
    min-width: 30px;
}

.track-v2-name .track-artist {
    color: var(--text-secondary);
}

.track-v2-name .track-title {
    color: var(--text-primary);
    font-weight: 500;
}

.track-v2-youtube {
    margin-top: 4px;
    font-size: 11px;
    color: var(--text-secondary);
}

/* YouTube preview in track header */
.track-v2-youtube-preview {
    margin-top: 4px;
    font-size: 12px;
    color: var(--text-secondary);
}

.youtube-title-preview {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.youtube-title-preview strong {
    color: #ff0000;
}

.char-ok {
    color: #22c55e;
    font-size: 10px;
}

.char-over {
    color: #ef4444;
    font-weight: bold;
    font-size: 10px;
}

/* Expanded track section */
.track-v2-expanded {
    padding: 16px;
    background: var(--bg-card);
    border-top: 1px solid var(--border);
}

.track-youtube-edit {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.track-youtube-edit .form-group {
    margin: 0;
}

.track-youtube-edit label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
}

.track-youtube-edit input,
.track-youtube-edit textarea {
    width: 100%;
    padding: 10px 12px;
    font-size: 13px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.track-youtube-edit input:focus,
.track-youtube-edit textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.track-youtube-edit .input-error {
    border-color: #ef4444;
}

.track-v2-expanded .track-v2-master-url {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.track-v2-expanded .track-v2-master-url label {
    display: block;
    margin-bottom: 6px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
}

/* Track status badges */
.track-v2-status {
    flex-shrink: 0;
}

.status-badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge.status-dropbox {
    background: rgba(34, 197, 94, 0.2);
    color: #22c55e;
}

.status-badge.status-custom-url {
    background: rgba(245, 158, 11, 0.2);
    color: #f59e0b;
}

.status-badge.status-no-master {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
    padding: 0;
}

/* V3.5: Quick upload button inline */
.quick-upload-label {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    cursor: pointer;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    transition: all 0.2s;
}

.quick-upload-label:hover {
    background: rgba(239, 68, 68, 0.3);
    border-radius: 4px;
}

.quick-upload-label.uploading {
    cursor: wait;
    opacity: 0.7;
}

/* Master URL input */
.track-v2-master-url {
    grid-column: 2 / -1;
    margin-top: 8px;
}

.track-v2-master-url input {
    width: 100%;
    padding: 8px 12px;
    font-size: 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-card);
    color: var(--text-primary);
}

.track-v2-master-url input:focus {
    outline: none;
    border-color: var(--accent);
}

.track-v2-master-url input::placeholder {
    color: var(--text-secondary);
}

/* Tracks summary */
.tracks-v2-summary {
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
    text-align: center;
    font-size: 14px;
}

.tracks-v2-summary .warning-text {
    color: #f59e0b;
}

.tracks-v2-summary strong {
    color: var(--accent);
}

/* Badge success/warning variants */
.badge-success {
    background: rgba(34, 197, 94, 0.2);
    color: #22c55e;
}

.badge-warning {
    background: rgba(245, 158, 11, 0.2);
    color: #f59e0b;
}

/* Responsive for tracks V2 */
@media (max-width: 768px) {
    .track-v2-item {
        grid-template-columns: 30px 1fr;
    }

    .track-v2-status {
        grid-column: 2;
        justify-self: start;
    }

    .track-v2-master-url {
        grid-column: 1 / -1;
    }
}

/* =============================================================================
   V3 FORMAT SELECTOR (YouTube / Instagram)
   Sprint 2: Format-aware UI Integration
   ============================================================================= */

.format-selector-main {
    display: flex;
    gap: 16px;
    margin: 20px 0;
    padding: 20px;
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--border);
}

.format-selector-main .format-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 24px 20px;
    background: var(--bg-primary);
    border: 3px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.format-selector-main .format-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

/* YouTube Button Styling - Refined & Elegant */
.format-btn-youtube {
    border-color: #3b82f6;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(37, 99, 235, 0.05) 100%);
}

.format-btn-youtube.active {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    border-color: #3b82f6;
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.35), 0 0 0 1px rgba(59, 130, 246, 0.1);
    transform: translateY(-4px);
}

.format-btn-youtube.active .format-icon,
.format-btn-youtube.active .format-label,
.format-btn-youtube.active .format-audio {
    color: white;
}

.format-btn-youtube:hover:not(.active) {
    border-color: #3b82f6;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(37, 99, 235, 0.1) 100%);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
}

/* Instagram Button Styling - Refined & Elegant */
.format-btn-instagram {
    border-color: #8b5cf6;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.05) 0%, rgba(124, 58, 237, 0.05) 100%);
}

.format-btn-instagram.active {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    border-color: #8b5cf6;
    box-shadow: 0 8px 24px rgba(139, 92, 246, 0.35), 0 0 0 1px rgba(139, 92, 246, 0.1);
    transform: translateY(-4px);
}

.format-btn-instagram.active .format-icon,
.format-btn-instagram.active .format-label,
.format-btn-instagram.active .format-audio {
    color: white;
}

.format-btn-instagram:hover:not(.active) {
    border-color: #8b5cf6;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(124, 58, 237, 0.1) 100%);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.15);
}

/* Format Icon */
.format-selector-main .format-icon {
    font-size: 48px;
    transition: transform 0.3s ease;
}

.format-selector-main .format-btn.active .format-icon {
    transform: scale(1.2);
}

/* Format Label */
.format-selector-main .format-label {
    font-size: 18px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

/* Audio Source Label */
.format-selector-main .format-audio {
    font-size: 13px;
    font-weight: 600;
    font-family: var(--font-mono);
    color: var(--text-secondary);
    background: rgba(0, 0, 0, 0.2);
    padding: 6px 12px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.format-selector-main .format-btn.active .format-audio {
    background: rgba(255, 255, 255, 0.2);
}

/* Responsive for V3 Format Selector */
@media (max-width: 768px) {
    .format-selector-main {
        flex-direction: column;
    }

    .format-selector-main .format-btn {
        padding: 20px;
    }

    .format-selector-main .format-icon {
        font-size: 36px;
    }

    .format-selector-main .format-label {
        font-size: 16px;
    }
}

/* =============================================================================
   V3 AUDIO SOURCE BADGES (Track List)
   Sprint 2: MASTER / PREVIEW indicators
   ============================================================================= */

.badge-v3-master {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    color: white;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(34, 197, 94, 0.3);
    pointer-events: none; /* NOT clickable */
    cursor: default;
    user-select: none;
}

.badge-v3-preview {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    pointer-events: none; /* NOT clickable */
    cursor: default;
    user-select: none;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}

/* =============================================================================
   SPRINT 3: VIDEO GENERATION UI
   Control panel, progress indicators, and global dashboard
   ============================================================================= */

/* Generation Control Panel */
.generation-control-panel {
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(139, 92, 246, 0.05) 100%);
    border: 2px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
}

.control-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.control-panel-header h4 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.control-panel-info {
    display: flex;
    gap: 12px;
}

.format-indicator,
.audio-indicator {
    padding: 6px 12px;
    background: var(--bg-secondary);
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
}

.control-panel-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn-generate-all,
.btn-generate-selected,
.btn-cancel-all {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-generate-all {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.btn-generate-all:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(139, 92, 246, 0.4);
}

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

.btn-generate-selected {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 2px solid var(--border);
}

.btn-generate-selected:hover:not(:disabled) {
    background: var(--bg-card);
    border-color: var(--primary);
}

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

.btn-cancel-all {
    background: var(--accent);
    color: white;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.btn-cancel-all:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(239, 68, 68, 0.4);
}

.control-panel-estimate {
    margin-top: 12px;
    padding: 8px 12px;
    background: rgba(139, 92, 246, 0.1);
    border-radius: 6px;
    text-align: center;
}

.control-panel-estimate small {
    color: var(--text-secondary);
    font-size: 13px;
}

/* Track Generation Section */
.track-generation-section {
    margin-top: 16px;
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border);
}

/* Generation Idle State */
.generation-idle {
    text-align: center;
}

.btn-generate-track {
    padding: 10px 20px;
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-generate-track:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

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

/* Generation Progress State */
.generation-progress {
    padding: 12px;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.progress-status {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
}

.progress-percentage {
    font-weight: 700;
    color: var(--primary);
    font-size: 16px;
}

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

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #8b5cf6 0%, #a78bfa 100%);
    transition: width 0.3s ease;
    border-radius: 4px;
}

.progress-stage {
    text-align: center;
    margin-bottom: 8px;
}

.progress-stage small {
    color: var(--text-secondary);
    font-size: 12px;
    font-style: italic;
}

.progress-actions {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-top: 8px;
}

.btn-cancel-track {
    padding: 6px 12px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-cancel-track:hover {
    background: #ef4444;
    color: white;
    border-color: #ef4444;
}

/* Generation Completed State */
.generation-completed {
    padding: 12px;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1) 0%, rgba(34, 197, 94, 0.05) 100%);
    border-radius: 8px;
}

.completed-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.completed-status {
    font-weight: 700;
    color: #22c55e;
    font-size: 15px;
}

.completed-info {
    font-size: 13px;
    color: var(--text-secondary);
}

.completed-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.btn-download,
.btn-preview,
.btn-regenerate {
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-download {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    color: white;
}

.btn-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(34, 197, 94, 0.3);
}

.btn-preview {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-preview:hover {
    background: var(--bg-card);
    border-color: var(--primary);
}

.btn-regenerate {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.btn-regenerate:hover:not(:disabled) {
    background: var(--bg-card);
    color: var(--text-primary);
}

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

/* Generation Failed State */
.generation-failed {
    padding: 12px;
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(239, 68, 68, 0.05) 100%);
    border-radius: 8px;
}

.failed-header {
    margin-bottom: 8px;
}

.failed-status {
    font-weight: 700;
    color: #ef4444;
    font-size: 15px;
}

.failed-error {
    margin-bottom: 12px;
    padding: 8px;
    background: rgba(239, 68, 68, 0.1);
    border-radius: 4px;
}

.failed-error small {
    color: var(--text-secondary);
    font-size: 12px;
}

.failed-actions {
    display: flex;
    gap: 8px;
}

.btn-retry {
    padding: 8px 16px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-retry:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(239, 68, 68, 0.3);
}

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

/* Generation Cancelled State */
.generation-cancelled {
    padding: 12px;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(245, 158, 11, 0.05) 100%);
    border-radius: 8px;
}

.cancelled-header {
    margin-bottom: 12px;
}

.cancelled-status {
    font-weight: 700;
    color: #f59e0b;
    font-size: 15px;
}

.cancelled-actions {
    display: flex;
    gap: 8px;
}

.btn-restart {
    padding: 8px 16px;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-restart:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(245, 158, 11, 0.3);
}

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

/* Global Progress Dashboard (Fixed Bottom) */
.global-progress-dashboard {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border-top: 2px solid var(--border);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    cursor: pointer;
    user-select: none;
}

.dashboard-header:hover {
    background: rgba(139, 92, 246, 0.05);
}

.dashboard-title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.dashboard-icon {
    font-size: 24px;
}

.dashboard-text {
    font-weight: 700;
    font-size: 16px;
    color: var(--text-primary);
}

.dashboard-controls {
    display: flex;
    gap: 8px;
}

.btn-dashboard-toggle {
    width: 32px;
    height: 32px;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-radius: 6px;
    font-size: 20px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.dashboard-body {
    padding: 0 24px 24px 24px;
    border-top: 1px solid var(--border);
}

.dashboard-progress-bar {
    width: 100%;
    height: 12px;
    background: var(--bg-secondary);
    border-radius: 6px;
    overflow: hidden;
    margin: 16px 0;
}

.dashboard-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #8b5cf6 0%, #a78bfa 50%, #22c55e 100%);
    transition: width 0.5s ease;
    border-radius: 6px;
}

.dashboard-current-task {
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 6px;
    margin-bottom: 12px;
}

.dashboard-current-task small {
    color: var(--text-secondary);
    font-size: 13px;
}

.dashboard-stats {
    display: flex;
    gap: 24px;
    margin-bottom: 16px;
    justify-content: center;
}

.dashboard-stat {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 600;
}

.dashboard-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.btn-pause-all,
.btn-cancel-all-dashboard {
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-pause-all {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.btn-pause-all:hover:not(:disabled) {
    background: var(--bg-card);
    color: var(--text-primary);
}

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

.btn-cancel-all-dashboard {
    background: var(--accent);
    color: white;
}

.btn-cancel-all-dashboard:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(239, 68, 68, 0.3);
}

/* Responsive Sprint 3 */
@media (max-width: 768px) {
    .generation-control-panel {
        padding: 16px;
    }

    .control-panel-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .control-panel-actions {
        flex-direction: column;
    }

    .btn-generate-all,
    .btn-generate-selected,
    .btn-cancel-all {
        width: 100%;
    }

    .global-progress-dashboard {
        font-size: 14px;
    }

    .dashboard-header {
        padding: 12px 16px;
    }

    .dashboard-body {
        padding: 0 16px 16px 16px;
    }

    .dashboard-stats {
        flex-direction: column;
        gap: 8px;
    }
}

/* V3.2: Download ZIP Button */
.btn-download-zip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-download-zip:hover:not(:disabled) {
    background: linear-gradient(135deg, #16a34a 0%, #15803d 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.3);
}

.btn-download-zip:disabled {
    opacity: 0.7;
    cursor: wait;
}

.btn-clear-jobs {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.dashboard-completed {
    border-color: #22c55e !important;
    background: linear-gradient(180deg, rgba(34, 197, 94, 0.1) 0%, var(--bg-secondary) 100%) !important;
}

.dashboard-completed .dashboard-header {
    border-bottom-color: rgba(34, 197, 94, 0.3);
}

.dashboard-completed .dashboard-progress-fill {
    background: linear-gradient(90deg, #22c55e 0%, #16a34a 100%) !important;
}

/* ============================================
   V3.1 IMPROVEMENTS - UX & LAYOUT
   ============================================ */

/* Step Indicator Wrapper */
.step-indicator-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
    text-align: center;
}

.step-indicator-wrapper .step-indicator {
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

/* Step Instructions */
.step-instructions {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

.step-instructions p {
    margin: 0;
}

.step-instructions .hint {
    margin-top: 8px;
    font-size: 12px;
    opacity: 0.7;
}

.step-instructions code {
    background: var(--bg-primary);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--accent);
}

.instruction-list {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
    display: inline-block;
}

.instruction-list li {
    padding: 4px 0;
    position: relative;
    padding-left: 20px;
}

.instruction-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--accent);
}

.instruction-list li strong {
    color: var(--text-primary);
}

/* Improved Config Layout - Better Balance */
.config-layout {
    display: grid;
    grid-template-columns: minmax(350px, 1fr) minmax(400px, 1.2fr);
    gap: 24px;
    align-items: start;
}

/* Card Styling Improvements */
.config-left .card,
.config-right .card {
    margin-bottom: 0;
}

.config-left {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.config-right {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Image Grid - Better Centering */
.image-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
}

.image-card {
    flex: 0 0 calc(50% - 8px);
    max-width: 200px;
}

/* Face Config - Clearer Layout */
.face-config {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.face-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    background: var(--bg-primary);
    border-radius: 8px;
    margin-bottom: 8px;
}

.face-row.configured {
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
}

.face-row strong {
    min-width: 60px;
}

.effect-select {
    padding: 4px 8px;
    border-radius: 4px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 12px;
}

/* Product Selection - Centered */
.product-selection {
    max-width: 600px;
    margin: 0 auto 24px;
    text-align: center;
}

.product-selection h2 {
    margin-bottom: 16px;
}

.sku-search-box {
    display: flex;
    gap: 12px;
    max-width: 500px;
    margin: 0 auto;
}

/* Actions Card - Full Width */
.actions-card {
    background: var(--bg-secondary);
    border-color: var(--accent);
}

.action-buttons {
    display: flex;
    gap: 12px;
    justify-content: space-between;
}

/* Responsive */
@media (max-width: 900px) {
    .config-layout {
        grid-template-columns: 1fr;
    }

    .image-card {
        flex: 0 0 calc(50% - 8px);
    }
}

/* Smart Face Mapping Styles */
.track-analysis-info {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    border: 1px solid #0f3460;
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 16px;
}

.analysis-badge {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.format-type {
    background: #6366f1;
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.sides-count {
    color: #94a3b8;
    font-size: 13px;
}

.image-card.has-assignment {
    border: 2px solid #22c55e;
    box-shadow: 0 0 12px rgba(34, 197, 94, 0.3);
}

.image-actions {
    display: flex;
    gap: 4px;
    justify-content: center;
    flex-wrap: wrap;
    padding: 8px;
}

.btn-face {
    padding: 6px 12px;
    border: 2px solid #374151;
    background: #1f2937;
    color: #9ca3af;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    min-width: 36px;
}

.btn-face:hover {
    border-color: #6b7280;
    color: #fff;
}

.btn-face.active {
    color: #fff;
}

.btn-face.btn-face-a.active {
    background: #ef4444;
    border-color: #ef4444;
}

.btn-face.btn-face-b.active {
    background: #22c55e;
    border-color: #22c55e;
}

.btn-face.btn-face-c.active {
    background: #3b82f6;
    border-color: #3b82f6;
}

.btn-face.btn-face-d.active {
    background: #f59e0b;
    border-color: #f59e0b;
}

.assigned-sides {
    text-align: center;
    font-size: 11px;
    color: #22c55e;
    background: rgba(34, 197, 94, 0.1);
    padding: 4px 8px;
    border-radius: 4px;
    margin-top: 4px;
}

.face-row .track-count {
    color: #6b7280;
    font-size: 12px;
    margin-left: 8px;
}

.face-row .mapping-value {
    color: #22c55e;
}

/* =============================================================================
   V3.3: Track Metadata Editing (Artist + Title)
   ============================================================================= */

.track-metadata-edit {
    padding: 12px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    margin-bottom: 12px;
}

.metadata-row {
    display: flex;
    gap: 12px;
}

.form-group-artist {
    flex: 0 0 40%;
}

.form-group-title {
    flex: 1;
}

.detection-badge {
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: 8px;
    text-transform: uppercase;
    font-weight: 600;
}

.detection-embedded {
    background: #22c55e;
    color: #000;
}

.detection-intelligent {
    background: #3b82f6;
    color: #fff;
}

.detection-ai {
    background: #8b5cf6;
    color: #fff;
}

.detection-fallback {
    background: #f59e0b;
    color: #000;
}

/* =============================================================================
   V3.3: Master Audio Upload Section
   ============================================================================= */

.track-v2-master-section {
    padding: 12px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 8px;
    margin-top: 12px;
}

.master-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.master-section-header label {
    font-weight: 600;
    color: var(--text-primary);
}

.master-missing-badge {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: #ef4444;
}

.master-options {
    display: flex;
    gap: 12px;
    align-items: center;
}

.master-option {
    flex: 1;
}

.master-option input[type="url"] {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 13px;
}

.master-upload {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-upload-master {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: #3b82f6;
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: background 0.2s;
}

.btn-upload-master:hover {
    background: #2563eb;
}

.upload-success {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: #22c55e;
}

.upload-success .icon {
    width: 14px;
    height: 14px;
}

/* V3.5: Video Preview Modal */
.video-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.video-modal {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
}

.video-modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: transparent;
    border: none;
    color: white;
    cursor: pointer;
    padding: 8px;
}

.video-modal-close:hover {
    color: #ff6b6b;
}

.video-modal-close .icon {
    width: 24px;
    height: 24px;
}

/* YouTube Result Link - FIX 2025-12-21 */
.youtube-result {
    margin-top: 8px;
    padding: 8px 12px;
    background: linear-gradient(135deg, #ff0000 0%, #cc0000 100%);
    border-radius: 6px;
    display: inline-block;
}

.youtube-link {
    display: flex;
    align-items: center;
    gap: 6px;
    color: white;
    text-decoration: none;
    font-size: 12px;
    font-weight: 500;
}

.youtube-link:hover {
    text-decoration: underline;
}

.youtube-link .icon {
    width: 14px;
    height: 14px;
}