:root {
    --background-dark: #000000;
    --surface-dark: #000000;
    --surface-dark-accent: #0a0a0a;
    --primary-color: #ff6200;
    --primary-hover: #ff7d30;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.85);
    --text-tertiary: rgba(255, 255, 255, 0.65);
    --border-color: rgba(255, 255, 255, 0.14);
}

body {
    background-color: var(--background-dark);
    color: var(--text-primary);
}

.list-header {
    background-color: var(--surface-dark);
    padding: 2rem 0;
    border-bottom: 1px solid var(--border-color);
}

.list-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.sort-options {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sort-options label {
    color: var(--text-secondary);
}

.sort-select {
    background: var(--surface-dark-accent);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 2rem;
}

.sort-select:hover, .sort-select:focus {
    border-color: var(--primary-color);
    outline: none;
}

.sort-select option:checked,
.year-select option:checked {
    background: var(--primary-color);
    color: #ffffff;
}

.filter-btn {
    background: var(--surface-dark-accent);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s;
}

.filter-btn:hover {
    background: var(--primary-color);
}

.filter-panel {
    background: var(--surface-dark);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    margin-top: 1rem;
    display: none;
}

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

.filter-section {
    margin-bottom: 1.5rem;
}

.filter-section h3 {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
}

.genre-filters {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 0.5rem;
}

.genre-checkbox {
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.genre-checkbox input {
    accent-color: var(--primary-color);
    cursor: pointer;
}

.year-range {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.year-select {
    background: var(--surface-dark-accent);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem;
    border-radius: 4px;
    flex: 1;
}

.filter-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 1rem;
}

.btn {
    padding: 0.5rem 1.25rem;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s;
}

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

.primary-btn:hover {
    background: var(--primary-hover);
}

.secondary-btn {
    background: var(--surface-dark-accent);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.secondary-btn:hover {
    background: #3a3a3a;
}

.alpha-filter {
    padding: 1rem 0;
    background: var(--surface-dark);
    overflow-x: auto;
    border-bottom: 1px solid var(--border-color);
}

.alpha-list {
    display: flex;
    justify-content: center;
    list-style: none;
    padding: 0;
    margin: 0;
    flex-wrap: wrap;
}

.alpha-link {
    display: block;
    padding: 0.5rem 0.75rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s;
    border-radius: 4px;
}

.alpha-link:hover,
.alpha-link.active {
    background: var(--primary-color);
    color: white;
}

.divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 1rem 0;
}

.anime-index-list {
    list-style: none;
    padding: 0;
    margin: 2rem 0;
    border-radius: 8px;
    overflow: hidden;
    background: var(--surface-dark);
    border: 1px solid var(--border-color);
}

.anime-index-item {
    border-bottom: 1px solid var(--border-color);
}

.anime-index-item:last-child {
    border-bottom: none;
}

.anime-index-link {
    display: block;
    padding: 1rem 1.5rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s;
    font-size: 1.1rem;
}

.anime-index-link:hover {
    background: var(--primary-color);
    color: var(--text-primary);
    padding-left: 2rem;
}

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-tertiary);
    background: var(--surface-dark);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.empty-state i {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.empty-state h3 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.empty-state p {
    margin-bottom: 1.5rem;
}

.pagination {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 2rem;
}

.page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.5rem;
    height: 2.5rem;
    padding: 0 0.75rem;
    background: var(--surface-dark);
    color: var(--text-primary);
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.3s;
}

.page-link:hover {
    background: var(--primary-color);
}

.page-link.active {
    background: var(--primary-color);
}

.prev-page, .next-page {
    padding: 0 1rem;
}

@media (max-width: 768px) {
    .list-controls {
        flex-direction: column;
        gap: 1rem;
    }

    .sort-options, .filter-toggle {
        width: 100%;
    }

    .filter-btn {
        width: 100%;
        justify-content: center;
    }

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

    .year-range {
        flex-direction: column;
        align-items: stretch;
    }

    .anime-index-link {
        font-size: 1rem;
        padding: 0.85rem 1.25rem;
    }
}