/* 卡片通用样式 */
.card {
    background-color: var(--bg-card);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: transform var(--transition-normal) ease, box-shadow var(--transition-normal) ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

/* 专辑卡片 */
.album-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.album-cover-container {
    position: relative;
    padding-top: 100%; /* 1:1 比例 */
    overflow: hidden;
}

.album-cover {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal) ease;
}

.album-card:hover .album-cover {
    transform: scale(1.05);
}

.album-info {
    padding: var(--spacing-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.album-title {
    font-weight: 600;
    font-size: var(--font-size-md);
    margin-bottom: var(--spacing-xs);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.album-artist {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.album-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.album-year {
    display: flex;
    align-items: center;
}

.album-tracks {
    display: flex;
    align-items: center;
}

.album-actions {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    display: flex;
    gap: var(--spacing-sm);
    opacity: 0;
    transition: opacity var(--transition-normal) ease, transform var(--transition-normal) ease;
    z-index: 1;
}

.album-card:hover .album-actions {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.album-action-btn {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: background-color var(--transition-fast) ease, transform var(--transition-fast) ease;
}

.album-action-btn:hover {
    background-color: var(--primary-light);
    transform: scale(1.1);
}

.album-action-btn.play {
    width: 55px;
    height: 55px;
    font-size: var(--font-size-lg);
}

.album-action-btn.more {
    background-color: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(5px);
}

.album-cover-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0);
    transition: background-color var(--transition-normal) ease;
}

.album-card:hover .album-cover-overlay {
    background-color: rgba(0, 0, 0, 0.5);
}

/* 热门专辑样式 */
.featured-album {
    display: flex;
    flex-direction: column;
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    background-color: var(--bg-card);
    box-shadow: var(--shadow-md);
    position: relative;
    height: 350px;
}

.featured-album-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.featured-album-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.6) 30%, rgba(0, 0, 0, 0) 60%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-xl);
    color: white;
}

.featured-album-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.featured-album-artist {
    font-size: var(--font-size-md);
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    opacity: 0.9;
}

.featured-album-buttons {
    display: flex;
    gap: var(--spacing-md);
}

.featured-album-button {
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast) ease;
}

.featured-album-button.primary {
    background-color: var(--primary-color);
    color: white;
    border: none;
}

.featured-album-button.primary:hover {
    background-color: var(--primary-light);
    transform: translateY(-2px);
}

.featured-album-button.secondary {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(10px);
}

.featured-album-button.secondary:hover {
    background-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* 艺术家卡片 */
.artist-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-md);
}

.artist-image-container {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    overflow: hidden;
    margin-bottom: var(--spacing-md);
    position: relative;
}

.artist-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal) ease;
}

.artist-card:hover .artist-image {
    transform: scale(1.1);
}

.artist-name {
    font-weight: 600;
    font-size: var(--font-size-md);
    margin-bottom: var(--spacing-xs);
}

.artist-genre {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
}

.artist-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.artist-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.artist-stat-value {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.artist-stat-label {
    font-size: var(--font-size-xs);
}

.artist-follow-btn {
    margin-top: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-lg);
    border-radius: var(--border-radius-full);
    background-color: var(--bg-light);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast) ease;
}

.artist-follow-btn:hover {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.artist-follow-btn.following {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* 大型艺术家专区 */
.featured-artist {
    display: flex;
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    background-color: var(--bg-card);
    box-shadow: var(--shadow-md);
    position: relative;
    height: 250px;
}

.featured-artist-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.3;
    filter: blur(10px);
}

.featured-artist-content {
    position: relative;
    z-index: 1;
    display: flex;
    width: 100%;
    align-items: center;
}

.featured-artist-image {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 var(--spacing-xl);
    border: 4px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-lg);
}

.featured-artist-info {
    flex: 1;
    padding-right: var(--spacing-xl);
}

.featured-artist-name {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.featured-artist-genre {
    font-size: var(--font-size-md);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.featured-artist-stats {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.featured-artist-buttons {
    display: flex;
    gap: var(--spacing-md);
}

.featured-artist-button {
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast) ease;
}

.featured-artist-button.primary {
    background-color: var(--primary-color);
    color: white;
    border: none;
}

.featured-artist-button.primary:hover {
    background-color: var(--primary-light);
    transform: translateY(-2px);
}

.featured-artist-button.secondary {
    background-color: var(--bg-light);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.featured-artist-button.secondary:hover {
    background-color: var(--bg-hover);
    transform: translateY(-2px);
}

/* 网格布局 */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.cards-row {
    display: flex;
    overflow-x: auto;
    padding: var(--spacing-sm) 0;
    scrollbar-width: thin;
    gap: var(--spacing-md);
}

.cards-row::-webkit-scrollbar {
    height: 6px;
}

.cards-row::-webkit-scrollbar-track {
    background-color: var(--bg-light);
    border-radius: var(--border-radius-full);
}

.cards-row::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: var(--border-radius-full);
}

.cards-row .album-card,
.cards-row .artist-card {
    min-width: 180px;
    max-width: 180px;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .featured-artist {
        height: auto;
        flex-direction: column;
        padding: var(--spacing-lg);
    }
    
    .featured-artist-content {
        flex-direction: column;
        text-align: center;
    }
    
    .featured-artist-image {
        margin: var(--spacing-lg) 0;
        width: 150px;
        height: 150px;
    }
    
    .featured-artist-info {
        padding-right: 0;
    }
    
    .featured-artist-stats {
        justify-content: center;
    }
    
    .featured-artist-buttons {
        justify-content: center;
    }
    
    .featured-album {
        height: 280px;
    }
}

@media (max-width: 768px) {
    .cards-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    }
    
    .artist-image-container {
        width: 120px;
        height: 120px;
    }
    
    .featured-album-title {
        font-size: var(--font-size-lg);
    }
    
    .featured-album-artist {
        font-size: var(--font-size-md);
    }
}

@media (max-width: 576px) {
    .cards-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }
    
    .cards-row .album-card,
    .cards-row .artist-card {
        min-width: 140px;
    }
    
    .artist-image-container {
        width: 100px;
        height: 100px;
    }
    
    .featured-album-overlay {
        padding: var(--spacing-md);
    }
    
    .featured-album-buttons {
        flex-wrap: wrap;
    }
}