/* ===========================================
   棋谱收录统计页面专业样式
   =========================================== */

/* ===========================================
   1. 页面容器样式
   =========================================== */
.kifu-container {
    min-height: calc(100vh - 200px);
}

/* ===========================================
   2. 标题样式
   =========================================== */
.kifu-page-title {
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
}

.kifu-page-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #0d6efd 0%, #20c997 100%);
    border-radius: 2px;
}

.kifu-page-title i {
    color: #20c997;
    margin-right: 10px;
    text-shadow: 0 2px 4px rgba(32, 201, 151, 0.3);
}

/* ===========================================
   3. 统计信息卡片
   =========================================== */
.kifu-stats-header {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.kifu-stat-item {
    text-align: center;
    padding: 15px;
    background: white;
    border-radius: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.kifu-stat-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.kifu-stat-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: #0d6efd;
    line-height: 1;
    margin-bottom: 5px;
}

.kifu-stat-label {
    font-size: 0.85rem;
    color: #6c757d;
    font-weight: 600;
}

/* ===========================================
   4. 棋手列表容器
   =========================================== */
.kifu-player-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 15px;
    padding: 20px 0;
}

/* ===========================================
   5. 棋手卡片样式
   =========================================== */
.kifu-player-card {
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    padding: 15px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    gap: 12px;
}

.kifu-player-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(135deg, #0d6efd 0%, #20c997 100%);
    transition: width 0.3s ease;
}

.kifu-player-card:hover {
    transform: translateY(-3px);
    border-color: #0d6efd;
    box-shadow: 0 6px 20px rgba(13, 110, 253, 0.15);
}

.kifu-player-card:hover::before {
    width: 6px;
}

/* 棋手头像 */
.kifu-player-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 3px solid #e9ecef;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    flex-shrink: 0;
    cursor: pointer;
}

.kifu-player-card:hover .kifu-player-avatar {
    border-color: #0d6efd;
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.3);
}

/* 棋手信息 */
.kifu-player-info {
    flex: 1;
    min-width: 0;
}

.kifu-player-name {
    font-size: 1rem;
    font-weight: 700;
    color: #212529;
    text-decoration: none;
    transition: color 0.3s ease;
    display: block;
    margin-bottom: 5px;
}

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

.kifu-player-meta {
    font-size: 0.8rem;
    color: #6c757d;
    line-height: 1.5;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.kifu-player-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 3px;
}

/* 国旗图标 */
.kifu-flag-icon {
    border-radius: 2px;
    object-fit: cover;
    border: 1px solid #ccc;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.kifu-player-card:hover .kifu-flag-icon {
    transform: scale(1.1);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

/* 性别图标 */
.kifu-gender-icon {
    font-size: 1rem;
}

/* 棋谱数量 */
.kifu-game-count {
    background: linear-gradient(135deg, #0d6efd 0%, #20c997 100%);
    color: white;
    padding: 8px 12px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.9rem;
    text-align: center;
    min-width: 60px;
    box-shadow: 0 2px 8px rgba(13, 110, 253, 0.3);
    flex-shrink: 0;
}

.kifu-game-count-number {
    font-size: 1.1rem;
    display: block;
}

.kifu-game-count-label {
    font-size: 0.7rem;
    opacity: 0.9;
}

/* ===========================================
   6. 更多链接样式
   =========================================== */
.kifu-more-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
    color: white;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(220, 53, 69, 0.3);
    position: relative;
    overflow: hidden;
}

.kifu-more-link::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.5s ease, height 0.5s ease;
}

.kifu-more-link:hover::before {
    width: 300px;
    height: 300px;
}

.kifu-more-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(220, 53, 69, 0.4);
    color: white;
}

.kifu-more-link i {
    transition: transform 0.3s ease;
}

.kifu-more-link:hover i {
    transform: translateX(4px);
}

/* ===========================================
   7. 响应式设计
   =========================================== */
@media (max-width: 1200px) {
    .kifu-player-list {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 12px;
    }

    .kifu-player-card {
        padding: 12px;
    }
}

@media (max-width: 992px) {
    .kifu-player-list {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        gap: 10px;
    }

    .kifu-player-avatar {
        width: 45px;
        height: 45px;
    }

    .kifu-stat-number {
        font-size: 1.5rem;
    }
}

@media (max-width: 768px) {
    .kifu-container {
        width: 95% !important;
    }

    .kifu-player-list {
        grid-template-columns: 1fr;
        gap: 10px;
        padding: 15px 0;
    }

    .kifu-player-card {
        padding: 12px;
    }

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

    .kifu-stats-header {
        padding: 15px;
        margin-bottom: 20px;
    }

    .kifu-stat-item {
        padding: 10px;
    }

    .kifu-stat-number {
        font-size: 1.3rem;
    }

    .kifu-stat-label {
        font-size: 0.75rem;
    }
}

@media (max-width: 576px) {
    .kifu-player-avatar {
        width: 40px;
        height: 40px;
    }

    .kifu-player-name {
        font-size: 0.9rem;
    }

    .kifu-player-meta {
        font-size: 0.75rem;
    }

    .kifu-game-count {
        padding: 6px 10px;
        font-size: 0.8rem;
        min-width: 50px;
    }

    .kifu-game-count-number {
        font-size: 1rem;
    }
}

/* ===========================================
   8. 暗黑主题适配
   =========================================== */
[data-bs-theme="dark"],
[data-bs-theme="dark-small"] {
    --kifu-container-bg: #212529;
    --kifu-card-bg: #343a40;
    --kifu-card-hover-bg: #495057;
    --kifu-border: rgba(255, 255, 255, 0.1);
    --kifu-text-primary: #f8f9fa;
    --kifu-text-secondary: #adb5bd;
    --kifu-text-muted: #6c757d;
    --kifu-link-color: #0dcaf0;
    --kifu-stats-header-bg-start: #2d3238;
    --kifu-stats-header-bg-end: #343a40;
    --kifu-stat-item-bg: #495057;
}

[data-bs-theme="dark"] .kifu-stats-header,
[data-bs-theme="dark-small"] .kifu-stats-header {
    background: linear-gradient(135deg, var(--kifu-stats-header-bg-start) 0%, var(--kifu-stats-header-bg-end) 100%);
    border-color: var(--kifu-border);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

[data-bs-theme="dark"] .kifu-stat-item,
[data-bs-theme="dark-small"] .kifu-stat-item {
    background: var(--kifu-stat-item-bg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

[data-bs-theme="dark"] .kifu-stat-item:hover,
[data-bs-theme="dark-small"] .kifu-stat-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

[data-bs-theme="dark"] .kifu-stat-number,
[data-bs-theme="dark-small"] .kifu-stat-number {
    color: var(--kifu-link-color);
}

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

[data-bs-theme="dark"] .kifu-player-card,
[data-bs-theme="dark-small"] .kifu-player-card {
    background: var(--kifu-card-bg);
    border-color: var(--kifu-border);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

[data-bs-theme="dark"] .kifu-player-card:hover,
[data-bs-theme="dark-small"] .kifu-player-card:hover {
    background: var(--kifu-card-hover-bg);
    border-color: var(--kifu-link-color);
    box-shadow: 0 6px 20px rgba(13, 202, 240, 0.3);
}

[data-bs-theme="dark"] .kifu-player-card::before,
[data-bs-theme="dark-small"] .kifu-player-card::before {
    background: linear-gradient(135deg, #0dcaf0 0%, #20c997 100%);
}

[data-bs-theme="dark"] .kifu-player-avatar,
[data-bs-theme="dark-small"] .kifu-player-avatar {
    border-color: var(--kifu-border);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

[data-bs-theme="dark"] .kifu-player-card:hover .kifu-player-avatar,
[data-bs-theme="dark-small"] .kifu-player-card:hover .kifu-player-avatar {
    border-color: var(--kifu-link-color);
    box-shadow: 0 4px 12px rgba(13, 202, 240, 0.4);
}

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

[data-bs-theme="dark"] .kifu-player-name:hover,
[data-bs-theme="dark-small"] .kifu-player-name:hover {
    color: var(--kifu-link-color);
}

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

[data-bs-theme="dark"] .kifu-flag-icon,
[data-bs-theme="dark-small"] .kifu-flag-icon {
    border-color: #6c757d;
    box-shadow: 0 1px 3px rgba(255, 255, 255, 0.1);
}

[data-bs-theme="dark"] .kifu-player-card:hover .kifu-flag-icon,
[data-bs-theme="dark-small"] .kifu-player-card:hover .kifu-flag-icon {
    box-shadow: 0 2px 6px rgba(255, 255, 255, 0.2);
}

[data-bs-theme="dark"] .kifu-game-count,
[data-bs-theme="dark-small"] .kifu-game-count {
    background: linear-gradient(135deg, #0dcaf0 0%, #20c997 100%);
    box-shadow: 0 2px 8px rgba(13, 202, 240, 0.4);
}

[data-bs-theme="dark"] .kifu-page-title::after,
[data-bs-theme="dark-small"] .kifu-page-title::after {
    background: linear-gradient(90deg, #0dcaf0 0%, #20c997 100%);
}

[data-bs-theme="dark"] .kifu-more-link,
[data-bs-theme="dark-small"] .kifu-more-link {
    background: linear-gradient(135deg, #dc3545 0%, #b02a37 100%);
    box-shadow: 0 4px 12px rgba(220, 53, 69, 0.4);
}

[data-bs-theme="dark"] .kifu-more-link:hover,
[data-bs-theme="dark-small"] .kifu-more-link:hover {
    box-shadow: 0 6px 20px rgba(220, 53, 69, 0.5);
}