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

:root {
    --bg: #fff;
    --surface: #f5f5f5;
    --text: #111;
    --accent: #2563eb;
    --border: #e5e5e5;
    --hover-bg: #f0f0f0;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0f0f0f;
        --surface: #1a1a1a;
        --text: #f0f0f0;
        --accent: #60a5fa;
        --border: #333;
        --hover-bg: #2a2a2a;
    }
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1rem;
}

.navbar {
    position: sticky;
    top: 0;
    background-color: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 1.5rem;
    text-align: center;
    z-index: 101;
    margin-bottom: 1rem;
}

    .navbar h1 {
        font-size: 1.5rem;
        font-weight: 700;
        color: var(--accent);
    }

.toolbar {
    position: static;
    top: 70px;
    background-color: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 1rem;
    padding-top: 10px;
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
    z-index: 100;
}

.toolbar-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

    .toolbar-group label {
        font-weight: 500;
        font-size: 0.9rem;
    }

    .toolbar-group select,
    .toolbar-group input[type="number"],
    .toolbar-group input[type="range"] {
        padding: 0.5rem;
        border: 1px solid var(--border);
        border-radius: 4px;
        background-color: var(--bg);
        color: var(--text);
        font-size: 0.9rem;
    }

    .toolbar-group input[type="range"] {
        min-width: 150px;
        padding: 0;
        height: 6px;
    }

    .toolbar-group input[type="number"] {
        width: 120px;
    }

button {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    background-color: var(--surface);
    color: var(--text);
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s;
}

    button:hover {
        background-color: var(--hover-bg);
        border-color: var(--accent);
    }

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

.shuffle-btn {
    padding: 0.5rem;
    min-width: auto;
}

.likes-display {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.view-toggle {
    display: flex;
    margin-left: auto;
}

    .view-toggle button {
        padding: 0.5rem 0.75rem;
    }

#tableView {
    margin-top: 2rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--bg);
    border: 1px solid var(--border);
}

thead {
    background-color: var(--surface);
    font-weight: 600;
}

th {
    padding: 1rem;
    text-align: left;
    border-bottom: 2px solid var(--border);
}

td {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
}

tbody tr {
    transition: background-color 0.2s;
    cursor: pointer;
}

    tbody tr:nth-child(even) {
        background-color: var(--surface);
    }

    tbody tr:hover {
        background-color: var(--hover-bg);
    }

    tbody tr.expandable-row {
        cursor: pointer;
    }

.expand-btn {
    background: none;
    border: none;
    color: var(--text);
    cursor: pointer;
    padding: 0;
    font-size: 0.8rem;
    transition: transform 0.3s;
}

.expandable-row.expanded .expand-btn {
    transform: rotate(180deg);
}

.single-label {
    color: #999;
    font-style: italic;
    font-size: 0.9rem;
}

.row-detail {
    background-color: var(--surface);
}

    .row-detail td {
        padding: 2rem;
        border: none;
    }

.detail-content {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 2rem;
    align-items: start;
}

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

.cover-and-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.album-cover {
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

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

.play-btn,
.stop-btn {
    padding: 0.75rem 1.5rem;
    background-color: var(--accent);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
}

    .play-btn:hover,
    .stop-btn:hover {
        opacity: 0.9;
    }

.like-count {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
}

.heart {
    color: #ff6b6b;
    font-size: 1.2rem;
}

.music-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
}

.song-metadata {
    text-align: left;
}

    .song-metadata h3 {
        font-size: 1.1rem;
    }

    .song-metadata p {
        font-size: 0.9rem;
        color: #666;
        margin-bottom: 0rem;
    }

@media (prefers-color-scheme: dark) {
    .song-metadata p {
        color: #999;
    }
}

.progress-container {
    width: 100%;
    max-width: 350px;
}

.progress-bar-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.time-display {
    font-size: 0.8rem;
    min-width: 40px;
    text-align: right;
}

.progress-bar {
    flex: 1;
    height: 6px;
    background-color: var(--border);
    border-radius: 3px;
    overflow: hidden;
    cursor: pointer;
}

.progress-fill {
    height: 100%;
    background-color: var(--accent);
    width: 0%;
    transition: width 0.1s linear;
}

.duration-display {
    font-size: 0.8rem;
    min-width: 40px;
    text-align: left;
}

.lyrics-section {
    flex: 1;
}

    .lyrics-section h4 {
        margin-bottom: 1rem;
        font-size: 1.1rem;
    }

.lyrics-container {
    background-color: var(--bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 1rem;
    max-height: 300px;
    overflow-y: auto;
}

.lyric-line {
    padding: 0.5rem 0;
    line-height: 1.8;
    transition: all 0.2s;
    color: var(--text);
}

    .lyric-line.active {
        font-weight: 600;
        color: var(--accent);
        background-color: var(--surface);
        padding: 0.5rem;
        border-radius: 4px;
    }

#tablePagination {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    margin: 2rem 0;
    flex-wrap: wrap;
}

    #tablePagination button {
        padding: 0.5rem 0.75rem;
        min-width: 40px;
    }

        #tablePagination button.active {
            background-color: var(--accent);
            color: white;
        }

        #tablePagination button:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }


#galleryView {
    display: none;
    margin-top: 2rem;
}

#galleryGrid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

@media (max-width: 768px) {
    #galleryGrid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
}

@media (max-width: 480px) {
    #galleryGrid {
        grid-template-columns: 1fr;
    }
}

.gallery-card {
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
    transition: all 0.2s;
    cursor: pointer;
}

    .gallery-card:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        border-color: var(--accent);
    }

.gallery-cover {
    width: 100%;
    max-width: 200px;
    height: auto;
    border-radius: 6px;
    margin-bottom: 1rem;
}

.gallery-card h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.gallery-card p {
    font-size: 0.85rem;
    color: #666;
    margin-bottom: 0.3rem;
}

@media (prefers-color-scheme: dark) {
    .gallery-card p {
        color: #999;
    }
}

.gallery-card .artist,
.gallery-card .album,
.gallery-card .genre {
    display: block;
}

.likes-badge {
    margin-top: 1rem;
    padding: 0.5rem;
    background-color: var(--bg);
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.9rem;
}

#galleryScrollSentinel {
    height: 10px;
    margin: 2rem 0;
}

@media (max-width: 768px) {
    .toolbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .toolbar-group {
        width: 100%;
    }

    .view-toggle {
        margin-left: 0;
        width: 100%;
        justify-content: flex-end;
    }

    table {
        font-size: 0.85rem;
    }

    th, td {
        padding: 0.5rem;
    }

    .detail-content {
        gap: 1rem;
    }

    .album-cover {
        width: 200px;
        height: 200px;
    }
}