/* ============================================
   NEWS.CSS | 新闻模块专用样式
   含：新闻列表页、分页组件、类别筛选
   ============================================ */

/* ============================================
   新闻列表页 - 筛选栏
   ============================================ */
.news-filter-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    padding: 12px 16px;
    background: var(--white-pure);
    border-radius: 8px;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-card);
}

.filter-btn {
    padding: 6px 18px;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    background: transparent;
    border: 1px solid var(--border-light);
    border-radius: 20px;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-sans);
}
.filter-btn:hover {
    color: var(--primary);
    border-color: var(--border-cyan);
    background: var(--cyan-mist);
}
.filter-btn.active {
    color: var(--text-white);
    background: var(--primary);
    border-color: var(--primary);
}
.filter-btn.active:hover {
    background: var(--primary-hover);
}

.filter-count {
    margin-left: auto;
    font-size: var(--font-size-xs);
    color: var(--text-light);
}

/* ============================================
   新闻列表项
   ============================================ */
.news-list-page {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.news-list-page .news-item {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: 14px;
    transition: background var(--transition-fast);
}
.news-list-page .news-item:last-child {
    border-bottom: none;
}
.news-list-page .news-item:hover {
    background: var(--cyan-mist);
}

.news-list-page .news-date {
    flex-shrink: 0;
    min-width: 88px;
    padding: 3px 12px;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    background: var(--white-matte);
    border: 1px solid var(--border-light);
    border-radius: 4px;
    text-align: center;
    transition: all var(--transition-fast);
}
.news-list-page .news-item:hover .news-date {
    background: var(--cyan-light);
    color: var(--primary);
    border-color: var(--border-cyan);
}

.news-list-page .news-title {
    flex: 1;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: color var(--transition-fast);
}
.news-list-page .news-item:hover .news-title {
    color: var(--primary);
}

.news-list-page .news-cat-tag {
    flex-shrink: 0;
    font-size: var(--font-size-xs);
    color: var(--text-light);
    padding: 2px 10px;
    border-radius: 3px;
    background: var(--white-matte);
    border: 1px solid var(--border-light);
}

/* ============================================
   分页组件
   ============================================ */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 20px 0 10px;
}

.page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 34px;
    height: 34px;
    padding: 0 10px;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    background: var(--white-pure);
    border: 1px solid var(--border-light);
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-sans);
    user-select: none;
}
.page-btn:hover {
    color: var(--primary);
    border-color: var(--border-cyan);
    background: var(--cyan-mist);
}
.page-btn.active {
    color: var(--text-white);
    background: var(--primary);
    border-color: var(--primary);
}
.page-btn.disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

.page-ellipsis {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    color: var(--text-light);
    font-size: var(--font-size-sm);
    user-select: none;
}

.page-info {
    margin: 0 8px;
    font-size: var(--font-size-xs);
    color: var(--text-light);
}

.page-jump {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-left: 10px;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}
.page-jump input {
    width: 44px;
    height: 30px;
    text-align: center;
    border: 1px solid var(--border-light);
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: var(--font-size-xs);
    color: var(--text-primary);
    outline: none;
    transition: border-color var(--transition-fast);
}
.page-jump input:focus {
    border-color: var(--primary-light);
}
.page-jump button {
    padding: 4px 10px;
    height: 30px;
    background: var(--white-pure);
    border: 1px solid var(--border-light);
    border-radius: 4px;
    cursor: pointer;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    transition: all var(--transition-fast);
    font-family: var(--font-sans);
}
.page-jump button:hover {
    color: var(--primary);
    border-color: var(--border-cyan);
    background: var(--cyan-mist);
}

/* ============================================
   新闻详情页
   ============================================ */
.news-detail-header {
    text-align: center;
    padding-bottom: 20px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border-light);
}

.news-detail-header h1 {
    font-size: var(--font-size-2xl);
    color: var(--text-dark);
    margin-bottom: 10px;
    line-height: 1.4;
}

.news-detail-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.news-detail-body {
    font-size: var(--font-size-md);
    line-height: 1.9;
    color: var(--text-primary);
}

.news-detail-body p {
    margin-bottom: 16px;
}

.news-detail-body img {
    max-width: 100%;
    height: auto;
    margin: 20px 0;
    border-radius: 6px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

/* ============================================
   新闻为空 / 加载状态
   ============================================ */
.news-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-light);
    font-size: var(--font-size-sm);
}

.news-loading {
    text-align: center;
    padding: 30px 20px;
    color: var(--text-light);
    font-size: var(--font-size-sm);
}
.news-loading::after {
    content: '';
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-left: 8px;
    border: 2px solid var(--border-light);
    border-top-color: var(--primary-light);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    vertical-align: middle;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================
   响应式
   ============================================ */
@media (max-width: 768px) {
    .news-filter-bar {
        flex-wrap: wrap;
        gap: 6px;
        padding: 10px 12px;
    }
    .filter-btn {
        font-size: var(--font-size-xs);
        padding: 4px 12px;
    }
    .news-list-page .news-item {
        flex-wrap: wrap;
        gap: 8px;
        padding: 10px 12px;
    }
    .news-list-page .news-date {
        min-width: 76px;
        font-size: 11px;
        padding: 2px 8px;
    }
    .news-list-page .news-cat-tag {
        display: none;
    }
    .pagination {
        flex-wrap: wrap;
        gap: 4px;
    }
    .page-btn {
        min-width: 30px;
        height: 30px;
        font-size: var(--font-size-xs);
    }
    .page-jump {
        margin-left: 4px;
    }
    .news-detail-header h1 {
        font-size: var(--font-size-lg);
    }
}