:root {
    --bg: #0d0d0d;
    --bg-lighter: #1a1a1a;
    --bg-card: #141414;
    --bg-hover: rgba(255, 255, 255, 0.05);
    --text: #e0e0e0;
    --text-dim: #8a8a8a;
    --border: #2a2a2a;
    --border-light: #3a3a3a;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    font-weight: 400;
    letter-spacing: -0.01em;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--text);
    text-decoration: none;
}

a:hover {
    color: var(--text);
}

.container {
    max-width: 100%;
    margin: 0 auto;
    padding: 30px 40px;
}

header {
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 24px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(20px);
}

.header-content {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 40px;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
}

.header-left {
    flex: 1;
}

.header-right {
    display: flex;
    gap: 20px;
    align-items: center;
}

h1 {
    font-size: 1.25rem;
    margin-bottom: 24px;
    font-weight: 500;
    letter-spacing: -0.02em;
    color: var(--text);
}

.view-toggle {
    display: flex;
    gap: 2px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow: hidden;
}

.view-toggle-btn {
    padding: 8px 16px;
    background: transparent;
    border: none;
    color: var(--text-dim);
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    transition: all 0.2s;
}

.view-toggle-btn.active {
    background: var(--bg-lighter);
    color: var(--text);
}

.sort-toggle {
    padding: 8px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-dim);
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    transition: all 0.2s;
    border-radius: 4px;
}

.sort-toggle:hover {
    background: var(--bg-lighter);
    color: var(--text);
}

.search-box {
    position: relative;
    max-width: 600px;
}

.search-box input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-lighter);
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 0.9375rem;
    font-weight: 400;
    letter-spacing: -0.01em;
    transition: all 0.2s;
    border-radius: 6px;
}

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

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

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

.size-slider {
    width: 120px;
    height: 2px;
    background: var(--border);
    border-radius: 1px;
    outline: none;
    -webkit-appearance: none;
}

.size-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    background: var(--text);
    cursor: pointer;
    border-radius: 50%;
}

.size-slider::-moz-range-thumb {
    width: 14px;
    height: 14px;
    background: var(--text);
    cursor: pointer;
    border-radius: 50%;
    border: none;
}

.slider-label {
    font-size: 0.75rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

.filter-tabs {
    display: flex;
    gap: 2px;
    margin-top: 30px;
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
}

.filter-tab {
    padding: 12px 20px;
    background: transparent;
    border: none;
    color: var(--text-dim);
    cursor: pointer;
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    transition: all 0.2s;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
}

.filter-tab:hover {
    color: var(--text);
}

.filter-tab.active {
    color: var(--text);
    border-bottom-color: var(--text);
}

.batch-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1px;
    margin-top: 40px;
    background: var(--border);
    border: 1px solid var(--border);
}

.batch-card {
    background: var(--bg-card);
    overflow: hidden;
    transition: all 0.2s;
    cursor: pointer;
    position: relative;
    aspect-ratio: 16/9;
}

.batch-card:hover {
    background: var(--bg-lighter);
}

.batch-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    opacity: 1;
    transition: opacity 0.2s;
}

.batch-card:hover img {
    opacity: 0.4;
}

.batch-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    opacity: 0;
    transition: opacity 0.2s;
    pointer-events: none;
    background: linear-gradient(to top, rgba(13, 13, 13, 0.95) 0%, rgba(13, 13, 13, 0.85) 50%, transparent 100%);
}

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

.batch-id {
    color: #b0b0b0;
    font-weight: 600;
    font-size: 0.6875rem;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
    text-transform: uppercase;
}

.batch-name {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.3;
    margin-bottom: 6px;
    color: #ffffff;
}

.batch-meta {
    color: #999999;
    font-size: 0.6875rem;
    letter-spacing: 0.05em;
    margin-top: 8px;
    text-transform: uppercase;
    font-weight: 500;
}

.batch-count {
    color: #b0b0b0;
    font-size: 0.8125rem;
    margin-top: 10px;
    font-weight: 500;
}

.batch-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 40px;
    border: 1px solid var(--border);
}

.batch-table th {
    background: var(--bg-card);
    padding: 16px;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-dim);
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    user-select: none;
}

.batch-table th:hover {
    background: var(--bg-lighter);
    color: var(--text);
}

.batch-table td {
    padding: 16px;
    border-bottom: 1px solid var(--border);
    font-size: 0.9375rem;
}

.batch-table tr {
    background: var(--bg-card);
    transition: background 0.2s;
}

.batch-table tr:hover {
    background: var(--bg-lighter);
    cursor: pointer;
}

.batch-stats {
    display: flex;
    gap: 40px;
    padding: 24px 0;
    margin: 0 0 30px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-label {
    font-size: 0.6875rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

.stat-value {
    font-size: 1.25rem;
    color: var(--text);
    font-weight: 500;
    letter-spacing: -0.02em;
}

.video-container {
    position: relative;
    width: 100%;
    margin: 0 0 40px 0;
    background: #000;
    border: 1px solid var(--border);
}

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

.asset-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1px;
    margin-top: 0;
    background: var(--border);
    border: 1px solid var(--border);
}

.asset-card {
    background: var(--bg-card);
    overflow: hidden;
    transition: background 0.2s;
    cursor: pointer;
    position: relative;
    aspect-ratio: 16/9;
}

.asset-card:hover {
    background: var(--bg-lighter);
}

.asset-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 1;
    transition: opacity 0.2s;
}

.asset-card:hover img {
    opacity: 0.4;
}

.asset-card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 16px;
    background: linear-gradient(to top, rgba(13, 13, 13, 0.95), transparent);
    opacity: 0;
    transition: opacity 0.2s;
    pointer-events: none;
}

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

.asset-duration {
    color: #ffffff;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.page-title-section {
    border-bottom: 1px solid var(--border);
    padding-bottom: 20px;
    margin-bottom: 30px;
}

.page-title-section h1 {
    font-size: 1.75rem;
    font-weight: 600;
    letter-spacing: -0.03em;
    margin-bottom: 8px;
}

.page-subtitle {
    font-size: 0.875rem;
    color: var(--text-dim);
    font-weight: 500;
    letter-spacing: 0.02em;
}

.thumbnail-strip {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1px;
    margin: 40px 0;
    background: var(--border);
    border: 1px solid var(--border);
}

.thumbnail-strip img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    opacity: 1;
    transition: opacity 0.2s;
    cursor: pointer;
}

.thumbnail-strip img:hover {
    opacity: 0.6;
}

.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.lightbox.active {
    display: flex;
}

.lightbox img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-light);
    background: var(--bg-card);
    color: var(--text);
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.2s;
}

.lightbox-close:hover {
    background: var(--bg-lighter);
}

.metadata-section {
    background: var(--bg-card);
    padding: 32px;
    margin: 40px 0;
    border: 1px solid var(--border);
}

.metadata-section h2 {
    margin-bottom: 24px;
    font-weight: 500;
    letter-spacing: -0.01em;
    font-size: 1rem;
    color: var(--text);
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.metadata-table {
    width: 100%;
    border-collapse: collapse;
}

.metadata-table tr {
    border-bottom: 1px solid var(--border);
}

.metadata-table tr:last-child {
    border-bottom: none;
}

.metadata-table td {
    padding: 12px 0;
    font-weight: 400;
    letter-spacing: -0.01em;
    font-size: 0.9375rem;
}

.metadata-table td:first-child {
    width: 180px;
    color: var(--text-dim);
    font-size: 0.8125rem;
    font-weight: 500;
}

.map-container {
    margin: 24px 0 0 0;
    height: 400px;
    background: var(--bg);
    border: 1px solid var(--border);
}

.map-full {
    width: 100%;
    height: calc(100vh - 200px);
    border: 1px solid var(--border);
}

.filmstrip {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg);
    border-top: 1px solid var(--border);
    padding: 8px;
    display: flex;
    gap: 1px;
    overflow-x: auto;
    z-index: 50;
}

.filmstrip-thumb {
    flex-shrink: 0;
    height: 54px;
    cursor: pointer;
    opacity: 0.5;
    transition: opacity 0.2s;
    border: 1px solid transparent;
}

.filmstrip-thumb:hover {
    opacity: 0.8;
}

.filmstrip-thumb.active {
    opacity: 1;
    border-color: var(--text);
}

.breadcrumb {
    padding: 0 0 16px 0;
    color: var(--text-dim);
    font-size: 0.8125rem;
    font-weight: 400;
}

.breadcrumb a {
    color: var(--text);
    text-decoration: none;
    transition: color 0.2s;
}

.breadcrumb a:hover {
    color: var(--text-dim);
}

.nav-buttons {
    display: flex;
    justify-content: space-between;
    margin: 0 0 30px 0;
    padding: 0 0 30px 0;
    border-bottom: 1px solid var(--border);
}

.nav-button {
    background: var(--bg-card);
    color: var(--text);
    border: 1px solid var(--border);
    padding: 10px 20px;
    cursor: pointer;
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    transition: all 0.2s;
    border-radius: 4px;
}

.nav-button:hover {
    background: var(--bg-lighter);
}

.nav-button:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.nav-button:disabled:hover {
    background: var(--bg-card);
}

@media (max-width: 768px) {
    .container {
        padding: 20px;
    }
    
    .header-content {
        padding: 0 20px;
    }
    
    .batch-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    }
    
    .asset-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
    
    .thumbnail-strip {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .batch-stats {
        gap: 20px;
        flex-wrap: wrap;
    }
    
    .filmstrip-thumb {
        height: 45px;
    }
    
    .metadata-section {
        padding: 20px;
    }
}