/* ============================================
   歌手列表页面样式
   ============================================ */

/* 页面标题区 */
.page-header-section {
    padding: 40px 24px 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.page-header {
    text-align: center;
    padding: 40px 0;
}

.page-header h1 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 12px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-header p {
    font-size: 16px;
    color: var(--text-secondary);
}

/* 字母索引导航 */
.alphabet-section {
    padding: 0 24px 30px;
    max-width: 1400px;
    margin: 0 auto;
}

.alphabet-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
}

.alphabet-item {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-elevated);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition-fast);
}

.alphabet-item:hover {
    background: var(--bg-card);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.alphabet-item.active {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(255,51,102,0.3);
}

/* 筛选工具栏 */
.toolbar-section {
    padding: 0 24px 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    padding: 16px 24px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
}

.filter-chips {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.filter-chip {
    padding: 8px 20px;
    background: var(--bg-elevated);
    border: none;
    border-radius: var(--radius-xl);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.filter-chip:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}

.filter-chip.active {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(255,51,102,0.3);
}

.region-filter,
.sort-options {
    display: flex;
    align-items: center;
    gap: 10px;
}

.region-filter span,
.sort-options span {
    font-size: 14px;
    color: var(--text-secondary);
}

.region-select,
.sort-select {
    padding: 8px 16px;
    background: var(--bg-elevated);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
    outline: none;
    transition: var(--transition-fast);
}

.region-select:focus,
.sort-select:focus {
    border-color: var(--accent-pink);
}

/* 统计栏 */
.stats-section {
    padding: 0 24px 30px;
    max-width: 1400px;
    margin: 0 auto;
}

.stats-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    padding: 16px 24px;
    background: linear-gradient(135deg, rgba(255,51,102,0.1) 0%, rgba(139,92,246,0.1) 100%);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255,51,102,0.1);
}

.stats-text {
    font-size: 15px;
    color: var(--text-secondary);
}

.stats-text strong {
    color: var(--accent-pink);
    font-size: 20px;
    font-weight: 700;
}

.stats-tags {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.stats-tag {
    padding: 6px 14px;
    background: var(--bg-elevated);
    border-radius: var(--radius-xl);
    font-size: 13px;
    color: var(--text-secondary);
}

.stats-tag i {
    color: var(--accent-pink);
    margin-right: 6px;
}

/* 歌手区块 */
.artists-section {
    padding: 30px 24px;
    max-width: 1400px;
    margin: 0 auto;
}

/* 大卡片网格 */
.artists-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.artist-large-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-normal);
    border: 1px solid transparent;
}

.artist-cover {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
}

.artist-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.artist-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(transparent 40%, rgba(0,0,0,0.8));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    padding-bottom: 20px;
    opacity: 0;
    transition: var(--transition-normal);
}

.play-btn-large {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    margin-bottom: 12px;
    transform: scale(0.5);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 30px rgba(255,51,102,0.5);
}

.mv-count {
    padding: 6px 16px;
    background: rgba(0,0,0,0.8);
    border-radius: var(--radius-xl);
    font-size: 13px;
    font-weight: 600;
}

.artist-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 28px;
    height: 28px;
    background: var(--accent-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
}

.artist-badge.verified {
    background: var(--accent-cyan);
}

.artist-info {
    padding: 20px;
}

.artist-info h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 6px;
}

.artist-genre {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.artist-stats {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.artist-stats span {
    font-size: 13px;
    color: var(--text-muted);
}

.artist-stats i {
    margin-right: 6px;
    color: var(--accent-pink);
}

.artist-large-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255,51,102,0.2);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4), 0 0 30px rgba(255,51,102,0.1);
}

.artist-large-card:hover .artist-cover img {
    transform: scale(1.1);
}

.artist-large-card:hover .artist-overlay {
    opacity: 1;
}

.artist-large-card:hover .play-btn-large {
    transform: scale(1);
}

/* 歌手列表 */
.artists-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.artist-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 24px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
    border: 1px solid transparent;
}

.artist-avatar-small {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    position: relative;
}

.artist-avatar-small::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: var(--gradient-primary);
    border-radius: 50%;
    z-index: -1;
    opacity: 0;
    transition: var(--transition-normal);
}

.artist-avatar-small img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 2px solid transparent;
    transition: var(--transition-normal);
}

.artist-item-info {
    flex: 1;
    min-width: 0;
}

.artist-item-info h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.verified-icon {
    color: var(--accent-cyan);
    font-size: 14px;
}

.artist-item-info p {
    font-size: 13px;
    color: var(--text-secondary);
}

.btn-follow {
    padding: 10px 20px;
    background: var(--bg-elevated);
    border: none;
    border-radius: var(--radius-xl);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 6px;
}

.btn-follow:hover {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(255,51,102,0.3);
}

.btn-follow.following {
    background: var(--accent-cyan);
    color: white;
}

.artist-item:hover {
    background: var(--bg-card);
    border-color: rgba(255,51,102,0.2);
    transform: translateX(8px);
}

.artist-item:hover .artist-avatar-small::before {
    opacity: 1;
}

.artist-item:hover .artist-avatar-small img {
    border-color: var(--accent-pink);
}

/* 分页 */
.pagination-section {
    padding: 40px 24px;
    max-width: 1400px;
    margin: 0 auto;
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.page-btn {
    min-width: 44px;
    height: 44px;
    padding: 0 16px;
    background: var(--bg-secondary);
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-btn:hover:not(:disabled) {
    background: var(--bg-card);
    color: var(--text-primary);
}

.page-btn.active {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(255,51,102,0.3);
}

.page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-ellipsis {
    color: var(--text-muted);
    padding: 0 8px;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .artists-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .artists-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .toolbar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-chips {
        justify-content: center;
    }
    
    .region-filter,
    .sort-options {
        justify-content: center;
    }
}

@media (max-width: 600px) {
    .page-header h1 {
        font-size: 28px;
    }
    
    .alphabet-item {
        width: 32px;
        height: 32px;
        font-size: 12px;
    }
    
    .artists-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .artist-info {
        padding: 16px;
    }
    
    .artist-info h3 {
        font-size: 15px;
    }
    
    .artist-item {
        padding: 12px 16px;
    }
    
    .artist-avatar-small {
        width: 48px;
        height: 48px;
    }
    
    .btn-follow {
        padding: 8px 14px;
        font-size: 12px;
    }
    
    .stats-bar {
        flex-direction: column;
        text-align: center;
    }
}

/* 入场动画 */
.artist-large-card,
.artist-item {
    animation: fadeInUp 0.6s ease-out backwards;
}

.artist-large-card:nth-child(1) { animation-delay: 0.05s; }
.artist-large-card:nth-child(2) { animation-delay: 0.1s; }
.artist-large-card:nth-child(3) { animation-delay: 0.15s; }
.artist-large-card:nth-child(4) { animation-delay: 0.2s; }
.artist-large-card:nth-child(5) { animation-delay: 0.25s; }
.artist-large-card:nth-child(6) { animation-delay: 0.3s; }
.artist-large-card:nth-child(7) { animation-delay: 0.35s; }
.artist-large-card:nth-child(8) { animation-delay: 0.4s; }

.artist-item:nth-child(1) { animation-delay: 0.05s; }
.artist-item:nth-child(2) { animation-delay: 0.1s; }
.artist-item:nth-child(3) { animation-delay: 0.15s; }
.artist-item:nth-child(4) { animation-delay: 0.2s; }
.artist-item:nth-child(5) { animation-delay: 0.25s; }
.artist-item:nth-child(6) { animation-delay: 0.3s; }