/* ====== Design Tokens ====== */
:root {
    --bg-primary: #0f0a07;
    --bg-secondary: #1a1209;
    --bg-card: #231a0f;
    --bg-card-hover: #2e2214;
    --bg-glass: rgba(35, 26, 15, 0.7);

    --text-primary: #f5f0e8;
    --text-secondary: #b0a08a;
    --text-muted: #7a6a55;

    --accent: #e8913a;
    --accent-light: #f0a85c;
    --accent-glow: rgba(232, 145, 58, 0.3);
    --accent-gradient: linear-gradient(135deg, #e8913a, #f5c842);

    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;

    --border: rgba(255, 220, 180, 0.08);
    --border-hover: rgba(255, 220, 180, 0.15);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 48px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px var(--accent-glow);

    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ====== Reset & Base ====== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* Subtle bg pattern */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at 20% 20%, rgba(124, 92, 252, 0.04) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(192, 132, 252, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* ====== Header ====== */
.app-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.logo-icon {
    font-size: 28px;
}

.logo h1 {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.badge {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 3px 8px;
    background: var(--accent-glow);
    color: var(--accent-light);
    border-radius: 20px;
    border: 1px solid rgba(124, 92, 252, 0.2);
}

/* ====== Step Navigation ====== */
.step-nav {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 61px;
    z-index: 90;
}

.step-nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
}

.step-tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-lg);
    color: var(--text-muted);
    font-family: var(--font);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.step-tab:hover {
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.03);
}

.step-tab.active {
    color: var(--text-primary);
    background: var(--bg-card);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-sm);
}

.step-tab.completed {
    color: var(--success);
}

.step-tab.completed .step-num {
    background: var(--success);
    color: white;
}

.step-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
    background: rgba(255, 255, 255, 0.06);
    transition: var(--transition);
}

.step-tab.active .step-num {
    background: var(--accent);
    color: white;
    box-shadow: 0 0 12px var(--accent-glow);
}

.step-connector {
    width: 32px;
    height: 2px;
    background: var(--border);
    flex-shrink: 0;
}

.step-label {
    display: none;
}

@media (min-width: 768px) {
    .step-label {
        display: inline;
    }
}

/* ====== Main Content ====== */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 24px 80px;
    position: relative;
    z-index: 1;
}

.step-panel {
    display: none;
    animation: fadeIn 0.35s ease;
}

.step-panel.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.panel-header {
    margin-bottom: 32px;
}

.panel-header h2 {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}

.panel-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ====== Buttons ====== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--accent-light);
    box-shadow: var(--shadow-glow);
    transform: translateY(-1px);
}

.btn-primary:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

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

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

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

.btn-accent:hover {
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.btn-accent:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-ghost {
    background: transparent;
    color: var(--text-muted);
    border: 1px solid transparent;
}

.btn-ghost:hover {
    color: var(--danger);
    border-color: rgba(239, 68, 68, 0.2);
    background: rgba(239, 68, 68, 0.05);
}

.btn-lg {
    padding: 14px 32px;
    font-size: 1rem;
    border-radius: var(--radius-lg);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
}

.step-actions {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

/* ====== Upload Cards ====== */
.upload-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

@media (max-width: 640px) {
    .upload-grid {
        grid-template-columns: 1fr;
    }
}

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

.upload-zone {
    padding: 48px 32px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: 2px dashed transparent;
    margin: 16px;
    border-radius: var(--radius-lg);
}

.upload-zone:hover {
    background: rgba(124, 92, 252, 0.03);
    border-color: rgba(124, 92, 252, 0.15);
}

.upload-zone.dragover {
    background: rgba(124, 92, 252, 0.08);
    border-color: var(--accent);
    box-shadow: inset 0 0 30px var(--accent-glow);
}

.upload-zone.uploaded {
    border-color: transparent;
    background: transparent;
}

.upload-card--disabled {
    opacity: 0.35;
    pointer-events: none;
    filter: grayscale(0.4);
}

.upload-card--active-hint {
    box-shadow: 0 0 0 2px var(--accent), 0 0 24px var(--accent-glow);
}

.upload-icon {
    margin-bottom: 16px;
    color: var(--text-muted);
    transition: var(--transition);
}

.upload-zone:hover .upload-icon {
    color: var(--accent);
    transform: scale(1.05);
}

.upload-zone h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.upload-zone p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 8px;
}

.upload-hint {
    display: inline-block;
    font-size: 0.75rem;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.04);
    padding: 4px 12px;
    border-radius: 20px;
}

.upload-status {
    padding: 12px 24px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    min-height: 42px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.upload-status.success {
    color: var(--success);
}

.upload-status.error {
    color: var(--danger);
}

.upload-status.loading {
    color: var(--accent);
}

.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(232, 145, 58, 0.3);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    flex-shrink: 0;
}

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

/* ====== Image Grid (Preview) ====== */
.uploaded-preview {
    margin-top: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 24px;
}

.uploaded-preview h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.count {
    background: var(--accent);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 20px;
}

.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 12px;
}

.image-grid-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 16/9;
    background: var(--bg-secondary);
    cursor: grab;
    transition: var(--transition);
}

.image-grid-item:hover {
    transform: scale(1.03);
    box-shadow: var(--shadow-md);
}

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

.image-grid-item .img-delete-btn {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 22px;
    height: 22px;
    border: none;
    background: rgba(0, 0, 0, 0.65);
    color: #fff;
    border-radius: 50%;
    cursor: pointer;
    font-size: 0.7rem;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    opacity: 0;
    transition: var(--transition);
}

.image-grid-item:hover .img-delete-btn {
    opacity: 1;
}

.image-grid-item .img-delete-btn:hover {
    background: var(--danger);
}

.image-grid-item .img-label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 4px 8px;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    font-size: 0.65rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ====== Text List ====== */
.text-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 300px;
    overflow-y: auto;
}

.text-item {
    padding: 10px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 12px;
}

.text-item .text-num {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--accent-light);
    flex-shrink: 0;
    width: 24px;
    text-align: center;
}

.text-item .text-num-thumb {
    width: 44px;
    font-size: 0.65rem;
    background: rgba(232, 145, 58, 0.15);
    border: 1px solid rgba(232, 145, 58, 0.3);
    padding: 2px 4px;
    border-radius: var(--radius-sm);
}

/* ====== Sortable Grid (Step 2) ====== */
.sortable-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
}

.sortable-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: grab;
    transition: var(--transition);
    position: relative;
}

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

.sortable-card.dragging {
    opacity: 0.5;
    border-color: var(--accent);
    box-shadow: var(--shadow-glow);
}

.sortable-card .card-image {
    aspect-ratio: 16/9;
    background: var(--bg-secondary);
    overflow: hidden;
}

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

.sortable-card .card-info {
    padding: 12px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sortable-card .card-order {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent-light);
}

.sortable-card .card-name {
    font-size: 0.75rem;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 120px;
}

.sortable-card .card-delete {
    position: absolute;
    top: 8px;
    right: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border: none;
    background: rgba(0, 0, 0, 0.65);
    color: #fff;
    border-radius: 50%;
    cursor: pointer;
    font-size: 0.75rem;
    transition: var(--transition);
    opacity: 0;
    z-index: 2;
}

.sortable-card:hover .card-delete {
    opacity: 1;
}

.sortable-card .card-delete:hover {
    background: var(--danger);
    color: white;
}

/* ====== Mapping (Step 3) ====== */
.mapping-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.mapping-row {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 14px;
    transition: var(--transition);
}

.mapping-row:hover {
    border-color: var(--border-hover);
}

@media (max-width: 900px) {
    .mapping-container {
        grid-template-columns: 1fr;
    }
    .mapping-row {
        grid-template-columns: 120px 1fr;
    }
}

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

.mapping-image {
    aspect-ratio: 16/9;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--bg-secondary);
}

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

.mapping-details {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mapping-details h4 {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-light);
}

.mapping-text-area {
    min-height: 64px;
    padding: 8px 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.8rem;
    line-height: 1.5;
    resize: vertical;
    transition: var(--transition);
}

.mapping-text-area:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.mapping-controls {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.mapping-controls label {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 500;
}

.mapping-controls input,
.mapping-controls select {
    padding: 4px 8px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.75rem;
    transition: var(--transition);
}

.mapping-controls input:focus,
.mapping-controls select:focus {
    outline: none;
    border-color: var(--accent);
}

.mapping-controls input[type="number"] {
    width: 58px;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

/* ====== Generation (Step 4) ====== */
.generation-summary {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
}

.gen-settings-row {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.gen-setting-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
    min-width: 160px;
}

.gen-setting-group label {
    font-size: 0.8rem;
    font-weight: 500;
    color: #f5c842;
}

.generation-controls {
    text-align: center;
    padding: 32px;
}

/* Generation Progress Grid */
.gen-progress-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-top: 24px;
}

.gen-progress-container h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1rem;
    color: var(--accent);
    margin-bottom: 12px;
}

.gen-progress-container h3.done {
    color: var(--success);
}

.gen-progress-container h3.done .spinner {
    display: none;
}

.gen-progress-container h3.error {
    color: var(--danger);
}

.gen-progress-bar-wrap {
    height: 6px;
    background: var(--bg-secondary);
    border-radius: 3px;
    margin-bottom: 12px;
    overflow: hidden;
}

.gen-progress-bar {
    height: 100%;
    width: 0%;
    background: var(--accent-gradient);
    border-radius: 3px;
    transition: width 0.4s ease;
}

.gen-progress-bar.indeterminate {
    width: 100% !important;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    background-size: 200% 100%;
    animation: indeterminate-bar 1.5s linear infinite;
}

@keyframes indeterminate-bar {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.gen-progress-status {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.gen-progress-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
}

.gen-card {
    position: relative;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: border-color var(--transition);
}

.gen-card-img-wrap {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    flex-shrink: 0;
}

.gen-card:not(.processing):not(.done):not(.error) .gen-card-img-wrap img {
    opacity: 0.4;
}

.gen-card.processing {
    border-color: var(--accent);
}

.gen-card.done {
    border-color: var(--success);
}

.gen-card.error {
    border-color: var(--danger);
}

.gen-card-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity var(--transition);
}

.gen-card-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.45);
    z-index: 2;
}

.gen-card-overlay .spinner {
    width: 28px;
    height: 28px;
}

.gen-card-filename {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 3px 6px;
    background: rgba(0, 0, 0, 0.6);
    font-size: 0.6rem;
    color: var(--text-secondary);
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    z-index: 3;
}

.gen-card-img-wrap .done-check {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 22px;
    height: 22px;
    background: var(--success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    color: #fff;
    z-index: 3;
}

.gen-card-img-wrap .error-badge {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 22px;
    height: 22px;
    background: var(--danger);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    color: #fff;
    z-index: 3;
}

.gen-card-steps {
    display: flex;
    width: 100%;
    height: 32px;
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    flex-shrink: 0;
}

.gen-step {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    transition: background 0.3s, color 0.3s;
}

.gen-step-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    flex-shrink: 0;
    transition: background 0.3s;
}

.gen-step-label {
    font-size: 0.6rem;
    color: var(--text-muted);
    white-space: nowrap;
    transition: color 0.3s;
}

.gen-step.active {
    background: rgba(232, 145, 58, 0.1);
}

.gen-step.active .gen-step-dot {
    background: var(--accent);
    animation: pulse-dot 1s infinite;
}

.gen-step.active .gen-step-label {
    color: var(--accent-light);
}

.gen-step.done .gen-step-dot {
    background: var(--success);
}

.gen-step.done .gen-step-label {
    color: var(--success);
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* ====== Result (Step 5) ====== */
.result-container {
    text-align: center;
}

.video-player-wrapper {
    max-width: 800px;
    margin: 0 auto 32px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--bg-secondary);
    box-shadow: var(--shadow-lg);
}

.video-player-wrapper video {
    width: 100%;
    display: block;
}

.result-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
}

/* ====== Drag & Drop Text List (available texts) ====== */
.available-texts {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 24px;
}

.available-texts h3 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-secondary);
}

.draggable-text {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    margin: 4px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: var(--text-primary);
    cursor: grab;
    transition: var(--transition);
    max-width: 100%;
}

.draggable-text:hover {
    border-color: var(--accent);
    background: rgba(124, 92, 252, 0.05);
}

.draggable-text.assigned {
    opacity: 0.35;
    pointer-events: none;
}

/* ====== Scrollbar ====== */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* ====== Header Actions ====== */
.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ====== Global Settings Card ====== */
.global-settings-container {
    margin-top: 24px;
}

.global-settings-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
}

.settings-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.settings-selects {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.setting-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.setting-group label {
    font-size: 0.8rem;
    color: #f5c842;
    font-weight: 500;
    white-space: nowrap;
}

.setting-select {
    padding: 8px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
    min-width: 140px;
}

.setting-select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.no-text-badge {
    display: inline-block;
    padding: 2px 8px;
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 500;
    margin-left: 8px;
    vertical-align: middle;
}

.auto-duration-badge {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-style: italic;
    white-space: nowrap;
}

.title-badge {
    display: inline-block;
    padding: 2px 10px;
    background: linear-gradient(135deg, rgba(232, 145, 58, 0.2), rgba(245, 200, 66, 0.15));
    color: #f0a85c;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 600;
    margin-left: 8px;
    vertical-align: middle;
    border: 1px solid rgba(232, 145, 58, 0.3);
}

.title-row {
    border-left: 3px solid #f0a85c;
}

/* ====== Outpainting Progress ====== */
.outpaint-progress-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 24px;
}

.outpaint-progress-container h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1rem;
    color: var(--accent);
    margin-bottom: 8px;
}

.outpaint-progress-container h3.done {
    color: var(--success);
}

.outpaint-progress-container h3.done .spinner {
    display: none;
}

.outpaint-status {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.outpaint-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
}

.outpaint-card {
    position: relative;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    aspect-ratio: 16 / 9;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color var(--transition);
}

.outpaint-card.processing {
    border-color: var(--accent);
}

.outpaint-card.done {
    border-color: var(--success);
}

.outpaint-card .card-spinner {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2;
}

.outpaint-card .card-spinner .spinner {
    width: 24px;
    height: 24px;
}

.outpaint-card .card-spinner span {
    font-size: 0.7rem;
    color: var(--text-secondary);
}

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

.outpaint-card .done-check {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 22px;
    height: 22px;
    background: var(--success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    color: #fff;
    z-index: 2;
}

.outpaint-card .card-filename {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 4px 6px;
    background: rgba(0, 0, 0, 0.6);
    font-size: 0.65rem;
    color: var(--text-secondary);
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ====== Image Lightbox ====== */
.lightbox-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    align-items: center;
    justify-content: center;
    cursor: pointer;
    animation: fadeIn 0.2s ease;
}

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

.lightbox-img {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    cursor: default;
}

.lightbox-close {
    position: absolute;
    top: 16px;
    right: 24px;
    background: none;
    border: none;
    color: #fff;
    font-size: 2.5rem;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s;
    z-index: 10000;
}

.lightbox-close:hover {
    opacity: 1;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.mapping-image img,
.outpaint-card img {
    cursor: pointer;
    transition: opacity var(--transition);
}

.mapping-image img:hover,
.outpaint-card img:hover {
    opacity: 0.8;
}

/* ====== Mapping Voice Select ====== */
.mapping-voice {
    padding: 6px 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.8rem;
    transition: var(--transition);
    cursor: pointer;
    min-width: 120px;
}

.mapping-voice:focus {
    outline: none;
    border-color: var(--accent);
}

/* ====== History Modal ====== */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 700px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    transform: translateY(20px) scale(0.97);
    transition: transform 0.3s ease;
}

.modal-overlay.open .modal-content {
    transform: translateY(0) scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 28px 16px;
    border-bottom: 1px solid var(--border);
}

.modal-header h2 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.modal-header h2 svg {
    color: var(--accent);
}

.modal-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
}

.modal-close:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.modal-body {
    padding: 20px 28px 28px;
    overflow-y: auto;
    flex: 1;
}

.history-empty {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.history-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    transition: var(--transition);
    gap: 16px;
}

.history-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.history-card-info {
    flex: 1;
    min-width: 0;
}

.history-date {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.history-meta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.history-card-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

/* ====== History Viewer Modal ====== */
.history-viewer-content {
    max-width: 860px;
    width: 95%;
}

.history-viewer-body {
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding: 20px 28px 28px;
}

.history-viewer-video-wrap {
    width: 100%;
    background: #000;
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 16 / 9;
    display: flex;
    align-items: center;
    justify-content: center;
}

.history-viewer-video-wrap video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.history-viewer-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

/* ====== Utilities ====== */
.text-center {
    text-align: center;
}

.mt-2 {
    margin-top: 16px;
}

.mb-2 {
    margin-bottom: 16px;
}
/* ====== 로그인 페이지 ====== */
.login-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 24px;
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 48px 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.login-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 8px;
}

.login-logo h1 {
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 32px;
}

.login-form {
    text-align: left;
}

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

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-input {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: var(--font);
    transition: border-color var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.07);
}

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

.login-error {
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    color: var(--danger);
    font-size: 0.875rem;
    margin-bottom: 16px;
}

.login-btn {
    width: 100%;
    margin-top: 8px;
}

/* ====== 헤더 사용자 정보 ====== */
.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}

.user-credits {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}

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

.logout-btn {
    color: var(--text-secondary) !important;
    font-size: 0.85rem;
}

/* ====== BGM 옵션 카드 ====== */
.bgm-option-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    margin-bottom: 16px;
}

.bgm-option-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.bgm-option-info {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: var(--accent);
}

.bgm-option-info div strong {
    display: block;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 4px;
}

.bgm-option-info div p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
}

.bgm-credit-info {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

/* 토글 스위치 */
.toggle-switch {
    position: relative;
    width: 48px;
    height: 26px;
    flex-shrink: 0;
    cursor: pointer;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 34px;
    border: 1px solid var(--border);
    transition: background var(--transition);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    left: 3px;
    top: 3px;
    background: var(--text-muted);
    border-radius: 50%;
    transition: transform var(--transition), background var(--transition);
}

.toggle-switch input:checked + .toggle-slider {
    background: rgba(232, 145, 58, 0.25);
    border-color: var(--accent);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(22px);
    background: var(--accent);
}

/* ====== 크레딧 예상 비용 ====== */
.credit-estimate {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(232, 145, 58, 0.07);
    border: 1px solid rgba(232, 145, 58, 0.2);
    border-radius: var(--radius-sm);
    padding: 10px 16px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.credit-estimate strong {
    color: var(--accent);
    font-size: 1rem;
}

.credit-estimate.credit-insufficient {
    background: rgba(239, 68, 68, 0.08);
    border-color: rgba(239, 68, 68, 0.3);
    color: var(--danger);
}

.credit-estimate.credit-insufficient strong {
    color: var(--danger);
}

/* ====== 결과 페이지 — 미디어 그리드 ====== */
.result-media-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 24px;
}

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

.result-media-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.result-media-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.image-preview-wrapper {
    border-radius: var(--radius-md);
    overflow: hidden;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 160px;
}

.image-preview-wrapper img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-md);
}

.result-download-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
    width: 100%;
}

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

/* ====== 관리자 모달 ====== */
.admin-modal-content {
    max-width: 700px;
    width: 95vw;
}

.admin-section {
    margin-bottom: 32px;
}

.admin-section h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

.admin-create-form {
    display: grid;
    grid-template-columns: 1fr 1fr auto auto auto;
    gap: 10px;
    align-items: center;
}

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

.admin-form-error {
    color: var(--danger);
    font-size: 0.82rem;
    margin-top: 8px;
}

.admin-users-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.admin-user-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    flex-wrap: wrap;
}

.admin-user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 120px;
}

.admin-user-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.admin-user-role {
    font-size: 0.72rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.role-admin {
    background: rgba(232, 145, 58, 0.2);
    color: var(--accent);
}

.role-user {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-muted);
}

.admin-credit-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.admin-credit-input {
    width: 100px;
    padding: 6px 10px;
    font-size: 0.875rem;
}

.credit-rates-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.credit-rate-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}

.credit-rate-label {
    flex: 1;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    min-width: 120px;
}

.credit-rate-input {
    width: 80px;
    padding: 6px 10px;
    font-size: 0.875rem;
}

.credit-rate-unit {
    font-size: 0.78rem;
    color: var(--text-muted);
    min-width: 80px;
}

.loading-text {
    color: var(--text-muted);
    font-size: 0.875rem;
    padding: 12px 0;
    text-align: center;
}

/* ====== 히스토리 뷰어 개선 ====== */
.history-viewer-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ====== 어드민 패널 비밀번호 폼 ====== */
.admin-pw-form {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 8px;
}
.admin-pw-form .form-input {
    font-size: 0.875rem;
}

.admin-user-pw-form {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
}
.admin-user-pw-form .pw-new-input {
    flex: 1;
    min-width: 160px;
    font-size: 0.875rem;
    padding: 6px 10px;
}