/* ===========================================
   Top50顶尖棋手页面专业样式
   =========================================== */

/* ===========================================
   1. 页面标题样式
   =========================================== */
.topplayers-page-header {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.topplayers-page-title {
    position: relative;
    display: inline-block;
    margin-bottom: 10px;
}

.topplayers-page-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #ffc107 0%, #ff9800 100%);
    border-radius: 2px;
}

.topplayers-page-title i {
    color: #ffc107;
    margin-right: 10px;
    text-shadow: 0 2px 4px rgba(255, 193, 7, 0.3);
}

.topplayers-subtitle {
    font-size: 1rem;
    color: #6c757d;
    margin-top: 15px;
}

.topplayers-subtitle-link {
    color: #0d6efd;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.topplayers-subtitle-link:hover {
    color: #0a58ca;
    transform: translateX(2px);
}

/* ===========================================
   2. 棋手网格布局
   =========================================== */
.topplayers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
    padding: 20px 0;
}

/* ===========================================
   3. 棋手卡片样式
   =========================================== */
.topplayer-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border: 1px solid #e9ecef;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    position: relative;
}

.topplayer-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #0d6efd 0%, #20c997 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.topplayer-card:hover::before {
    opacity: 1;
}

.topplayer-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    border-color: #0d6efd;
}

/* 排名徽章 */
.topplayer-rank-badge {
    position: absolute;
    top: 6px;
    left: 6px;
    background: linear-gradient(135deg, #ffc107 0%, #ff9800 100%);
    color: white;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
    box-shadow: 0 3px 10px rgba(255, 193, 7, 0.5);
    z-index: 10;
}

/* 头像容器 */
.topplayer-avatar-container {
    position: relative;
    overflow: hidden;
    background: #f8f9fa;
    aspect-ratio: 3/4;
}

.topplayer-avatar {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    transition: all 0.3s ease;
    /* 优化低像素显示 */
    image-rendering: auto;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.topplayer-card:hover .topplayer-avatar {
    transform: scale(1.08);
}

/* 卡片主体 */
.topplayer-body {
    padding: 10px 8px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

/* 棋手名称和国旗 */
.topplayer-header {
    display: flex;
    align-items: center;
    gap: 5px;
    justify-content: center;
}

.topplayer-flag {
    width: 18px;
    height: 13px;
    border-radius: 2px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    border: 1px solid #dee2e6;
    flex-shrink: 0;
}

.topplayer-name {
    font-size: 0.85rem;
    font-weight: 700;
    color: #212529;
    text-decoration: none;
    transition: color 0.3s ease;
    text-align: center;
    line-height: 1.2;
}

.topplayer-name:hover {
    color: #0d6efd;
}

.topplayer-enname {
    font-size: 0.7rem;
    color: #6c757d;
    line-height: 1.2;
    text-align: center;
}

/* 棋手信息 */
.topplayer-info {
    display: flex;
    justify-content: center;
    gap: 5px;
    font-size: 0.7rem;
    color: #6c757d;
    text-align: center;
    flex-wrap: wrap;
    line-height: 1.2;
}

.topplayer-info-item {
    white-space: nowrap;
}

.topplayer-info-separator {
    color: #dee2e6;
}

/* 底部操作区 */
.topplayer-footer {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding-top: 6px;
    border-top: 1px solid #e9ecef;
}

.topplayer-rank-display {
    text-align: center;
    font-weight: 700;
    color: #0d6efd;
    font-size: 0.75rem;
    line-height: 1.2;
}

.topplayer-rating-btn {
    width: 100%;
    padding: 5px 8px;
    background: linear-gradient(135deg, #0d6efd 0%, #0dcaf0 100%);
    border: none;
    border-radius: 6px;
    color: white;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.7rem;
    transition: all 0.3s ease;
    text-align: center;
    display: block;
    box-shadow: 0 2px 6px rgba(13, 110, 253, 0.3);
}

.topplayer-rating-btn:hover {
    background: linear-gradient(135deg, #0a58ca 0%, #20c997 100%);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(13, 110, 253, 0.4);
}

/* ===========================================
   4. 响应式设计
   =========================================== */
@media (max-width: 1200px) {
    .topplayers-grid {
        grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    }
}

@media (max-width: 992px) {
    .topplayers-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 10px;
    }
}

@media (max-width: 768px) {
    .topplayers-page-header {
        padding: 20px;
        margin-bottom: 20px;
    }

    .topplayers-grid {
        grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
        gap: 8px;
        padding: 15px 0;
    }

    .topplayer-rank-badge {
        width: 24px;
        height: 24px;
        font-size: 0.7rem;
        top: 5px;
        left: 5px;
    }

    .topplayers-page-title {
        font-size: 1.3rem;
    }

    .topplayers-subtitle {
        font-size: 0.9rem;
    }

    .topplayer-body {
        padding: 8px 6px;
        gap: 5px;
    }

    .topplayer-name {
        font-size: 0.8rem;
    }

    .topplayer-enname {
        font-size: 0.65rem;
    }

    .topplayer-info {
        font-size: 0.65rem;
    }

    .topplayer-rating-btn {
        font-size: 0.65rem;
        padding: 4px 6px;
    }

    .topplayer-rank-display {
        font-size: 0.7rem;
    }
}

@media (max-width: 576px) {
    .topplayers-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: 8px;
    }

    .topplayer-body {
        padding: 6px 5px;
        gap: 4px;
    }

    .topplayer-name {
        font-size: 0.75rem;
    }

    .topplayer-enname {
        font-size: 0.6rem;
    }

    .topplayer-info {
        font-size: 0.6rem;
        gap: 3px;
    }

    .topplayer-rating-btn {
        font-size: 0.6rem;
        padding: 4px;
    }

    .topplayer-rank-display {
        font-size: 0.65rem;
    }

    .topplayer-rank-badge {
        width: 22px;
        height: 22px;
        font-size: 0.65rem;
    }
}

/* ===========================================
   5. 暗黑主题适配
   =========================================== */
[data-bs-theme="dark"],
[data-bs-theme="dark-small"] {
    --topplayers-bg-start: #2d3238;
    --topplayers-bg-end: #343a40;
    --topplayers-card-bg: #343a40;
    --topplayers-card-hover-bg: #495057;
    --topplayers-border: rgba(255, 255, 255, 0.1);
    --topplayers-text-primary: #f8f9fa;
    --topplayers-text-secondary: #adb5bd;
}

[data-bs-theme="dark"] .topplayers-page-header,
[data-bs-theme="dark-small"] .topplayers-page-header {
    background: linear-gradient(135deg, var(--topplayers-bg-start) 0%, var(--topplayers-bg-end) 100%);
    border-color: var(--topplayers-border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

[data-bs-theme="dark"] .topplayers-page-title,
[data-bs-theme="dark-small"] .topplayers-page-title {
    color: var(--topplayers-text-primary);
}

[data-bs-theme="dark"] .topplayers-page-title i,
[data-bs-theme="dark-small"] .topplayers-page-title i {
    color: #ffc107;
}

[data-bs-theme="dark"] .topplayers-subtitle,
[data-bs-theme="dark-small"] .topplayers-subtitle {
    color: var(--topplayers-text-secondary);
}

[data-bs-theme="dark"] .topplayers-subtitle-link,
[data-bs-theme="dark-small"] .topplayers-subtitle-link {
    color: #0dcaf0;
}

[data-bs-theme="dark"] .topplayers-subtitle-link:hover,
[data-bs-theme="dark-small"] .topplayers-subtitle-link:hover {
    color: #20c997;
}

[data-bs-theme="dark"] .topplayer-card,
[data-bs-theme="dark-small"] .topplayer-card {
    background: var(--topplayers-card-bg);
    border-color: var(--topplayers-border);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

[data-bs-theme="dark"] .topplayer-card:hover,
[data-bs-theme="dark-small"] .topplayer-card:hover {
    background: var(--topplayers-card-hover-bg);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.4);
}

[data-bs-theme="dark"] .topplayer-avatar-container,
[data-bs-theme="dark-small"] .topplayer-avatar-container {
    background: #495057;
}

[data-bs-theme="dark"] .topplayer-avatar,
[data-bs-theme="dark-small"] .topplayer-avatar {
    filter: brightness(0.9);
}

[data-bs-theme="dark"] .topplayer-name,
[data-bs-theme="dark-small"] .topplayer-name {
    color: var(--topplayers-text-primary);
}

[data-bs-theme="dark"] .topplayer-name:hover,
[data-bs-theme="dark-small"] .topplayer-name:hover {
    color: #0dcaf0;
}

[data-bs-theme="dark"] .topplayer-enname,
[data-bs-theme="dark-small"] .topplayer-enname,
[data-bs-theme="dark"] .topplayer-info,
[data-bs-theme="dark-small"] .topplayer-info {
    color: var(--topplayers-text-secondary);
}

[data-bs-theme="dark"] .topplayer-footer,
[data-bs-theme="dark-small"] .topplayer-footer {
    border-top-color: var(--topplayers-border);
}

[data-bs-theme="dark"] .topplayer-rank-display,
[data-bs-theme="dark-small"] .topplayer-rank-display {
    color: #0dcaf0;
}

[data-bs-theme="dark"] .topplayer-rating-btn,
[data-bs-theme="dark-small"] .topplayer-rating-btn {
    background: linear-gradient(135deg, #0dcaf0 0%, #20c997 100%);
    box-shadow: 0 2px 6px rgba(13, 202, 240, 0.4);
}

[data-bs-theme="dark"] .topplayer-rating-btn:hover,
[data-bs-theme="dark-small"] .topplayer-rating-btn:hover {
    background: linear-gradient(135deg, #20c997 0%, #10b981 100%);
    box-shadow: 0 4px 10px rgba(32, 201, 151, 0.4);
}

[data-bs-theme="dark"] .topplayer-flag,
[data-bs-theme="dark-small"] .topplayer-flag {
    border-color: var(--topplayers-border);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}