/* song-details.css - 歌曲详情页专用样式 */
.song-details {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 2.5rem;
    background: white;
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.left-column {
    display: flex;
    flex-direction: column;
    background-color: #f8fafc;
}

.album-cover {
    background-color: #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    aspect-ratio: 1/1;
    position: relative;
}

.album-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.album-cover:hover img {
    transform: scale(1.08);
}

.album-cover::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.2) 0%, transparent 100%);
    pointer-events: none;
}

.song-info {
    padding: 2.5rem;
}

.song-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #1e293b;
    line-height: 1.2;
}

.song-artist {
    font-size: 1.25rem;
    color: #475569;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
}

.song-artist i {
    margin-right: 0.5rem;
    opacity: 0.7;
}

.info-item {
    margin-bottom: 0.75rem;
}

.info-label {
    font-weight: 600;
    color: #64748b;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.25rem;
}

.info-value {
    color: #1e293b;
    font-size: 1.05rem;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 2.5rem 0 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #e2e8f0;
    display: inline-block;
}

.tracks-list {
    list-style-type: none;
    padding: 0;
}

.track-item {
    padding: 0.85rem 0;
    border-bottom: 1px solid #f1f5f9;
    display: flex;
    align-items: center;
    transition: background-color 0.2s;
}

.track-item:hover {
    background-color: #f8fafc;
    padding-left: 0.5rem;
}

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

.track-number {
    font-weight: 600;
    color: #64748b;
    width: 2.5rem;
    display: inline-block;
}

.track-title {
    flex: 1;
}

.download-section {
    padding: 1.75rem;
    background-color: #f1f5f9;
    border-top: 1px solid #e2e8f0;
}

.download-links {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    margin-top: 1rem;
}

.download-link {
    display: inline-flex;
    align-items: center;
    padding: 0.85rem 1.5rem;
    background-color: #3b82f6;
    color: white;
    text-decoration: none;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: all 0.25s;
    width: 100%;
    justify-content: center;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.download-link:hover {
    background-color: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(59, 130, 246, 0.15);
}

.download-link i {
    margin-right: 0.75rem;
    font-size: 1.1rem;
}

.album-info {
    background-color: #f8fafc;
    padding: 1.75rem;
    border-radius: 0.5rem;
    margin-bottom: 2rem;
    line-height: 1.8;
    border-left: 4px solid #3b82f6;
}

.sidebar-section {
    padding: 1.75rem;
    border-bottom: 1px solid #e2e8f0;
}

.sidebar-section-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e293b;
    display: flex;
    align-items: center;
}

.sidebar-section-title i {
    margin-right: 0.5rem;
    color: #3b82f6;
}

.no-downloads {
    color: #64748b;
    text-align: center;
    font-style: italic;
    padding: 1rem;
}

/* Responsive Design for Song Details */
@media (max-width: 992px) {
    .song-details {
        grid-template-columns: 1fr;
        max-width: 700px;
        margin: 0 auto;
    }
    
    .song-title {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .song-info {
        padding: 1.5rem;
    }
    
    .song-title {
        font-size: 1.75rem;
    }
    
    .sidebar-section,
    .download-section {
        padding: 1.25rem;
    }
}