/* 子比主题每日资源更新 - 前端样式 */
/* 适配子比主题风格 */

.zdr-frontend-wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding: 30px 20px;
}

/* 网站信息头部 */
.zdr-site-header {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px;
    background: #fff;
    border-radius: 16px;
    margin-bottom: 25px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
}

.zdr-site-header .site-logo-link {
    flex-shrink: 0;
}

.zdr-site-header .site-logo {
    max-height: 50px;
    max-width: 180px;
    display: block;
}

.zdr-site-header .site-info {
    flex: 1;
}

.zdr-site-header .site-name {
    margin: 0 0 5px;
    font-size: 22px;
    font-weight: 700;
}

.zdr-site-header .site-name a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s;
}

.zdr-site-header .site-name a:hover {
    color: #667eea;
}

.zdr-site-header .site-desc {
    margin: 0;
    color: #666;
    font-size: 14px;
}

/* 页面标题区域 */
.zdr-page-header {
    text-align: center;
    margin-bottom: 40px;
    padding: 40px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 16px;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.zdr-page-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
    pointer-events: none;
}

.zdr-page-header h1 {
    margin: 0 0 15px;
    font-size: 32px;
    font-weight: 700;
    position: relative;
}

.zdr-page-header .subtitle {
    font-size: 16px;
    opacity: 0.9;
    position: relative;
}

.zdr-date-display {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.2);
    padding: 10px 25px;
    border-radius: 30px;
    margin-top: 20px;
    font-size: 15px;
    position: relative;
}

/* 筛选工具栏 */
.zdr-filter-bar {
    background: #fff;
    border-radius: 12px;
    padding: 20px 25px;
    margin-bottom: 25px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: center;
}

.zdr-filter-bar .filter-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.zdr-filter-bar label {
    font-weight: 600;
    color: #333;
    white-space: nowrap;
}

.zdr-filter-bar input[type="date"],
.zdr-filter-bar select {
    padding: 10px 15px;
    border: 2px solid #e8e8e8;
    border-radius: 10px;
    font-size: 14px;
    transition: all 0.3s;
    min-width: 150px;
}

.zdr-filter-bar input[type="date"]:focus,
.zdr-filter-bar select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.zdr-filter-bar .zdr-btn {
    padding: 10px 25px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.zdr-filter-bar .zdr-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

/* 快速分类筛选 */
.zdr-quick-filter {
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 25px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 15px;
}

.zdr-quick-filter .filter-label {
    font-weight: 600;
    color: #333;
}

.zdr-quick-filter .filter-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.zdr-quick-filter .filter-tag {
    padding: 8px 18px;
    background: #f5f5f5;
    border: 2px solid transparent;
    border-radius: 25px;
    cursor: pointer;
    font-size: 14px;
    color: #666;
    transition: all 0.3s;
}

.zdr-quick-filter .filter-tag:hover {
    border-color: #667eea;
    color: #667eea;
}

.zdr-quick-filter .filter-tag.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border-color: transparent;
}

.zdr-quick-filter .filter-tag em {
    font-style: normal;
    opacity: 0.8;
    margin-left: 3px;
}

/* 日期选择器（保留旧样式兼容） */
.zdr-date-picker {
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 30px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    align-items: center;
}

.zdr-date-picker label {
    font-weight: 600;
    color: #333;
}

.zdr-date-picker input[type="date"] {
    padding: 12px 20px;
    border: 2px solid #e8e8e8;
    border-radius: 10px;
    font-size: 15px;
    transition: all 0.3s;
}

.zdr-date-picker input[type="date"]:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.zdr-date-picker .zdr-btn {
    padding: 12px 25px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.zdr-date-picker .zdr-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

/* 统计概览 */
.zdr-stats-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.zdr-stat-item {
    background: #fff;
    border-radius: 12px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s;
}

.zdr-stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.zdr-stat-item .icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 24px;
}

.zdr-stat-item .icon.purple {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.zdr-stat-item .icon.green {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
}

.zdr-stat-item .icon.blue {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.zdr-stat-item .number {
    font-size: 28px;
    font-weight: 700;
    color: #333;
    margin-bottom: 5px;
}

.zdr-stat-item .label {
    color: #666;
    font-size: 14px;
}

/* 分类卡片 */
.zdr-category-section {
    margin-bottom: 35px;
}

.zdr-category-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f0f0f0;
}

.zdr-category-title h2 {
    margin: 0;
    font-size: 22px;
    font-weight: 600;
    color: #333;
    display: flex;
    align-items: center;
    gap: 12px;
}

.zdr-category-title h2::before {
    content: '';
    width: 5px;
    height: 25px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 3px;
}

.zdr-category-title .count {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
}

/* 资源网格 */
.zdr-resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
}

.zdr-resource-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
}

.zdr-resource-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.zdr-resource-thumb {
    position: relative;
    padding-top: 56.25%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    overflow: hidden;
}

.zdr-resource-thumb img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.zdr-resource-card:hover .zdr-resource-thumb img {
    transform: scale(1.1);
}

.zdr-resource-thumb .no-thumb {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    color: rgba(255, 255, 255, 0.5);
}

.zdr-resource-content {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.zdr-resource-content h3 {
    margin: 0 0 12px;
    font-size: 17px;
    font-weight: 600;
    line-height: 1.4;
}

.zdr-resource-content h3 a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s;
}

.zdr-resource-content h3 a:hover {
    color: #667eea;
}

.zdr-resource-excerpt {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 15px;
    flex: 1;
}

.zdr-resource-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid #f0f0f0;
    font-size: 13px;
    color: #999;
}

.zdr-resource-meta .date {
    display: flex;
    align-items: center;
    gap: 5px;
}

.zdr-resource-meta .author {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* 列表视图 */
.zdr-resources-list {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
}

.zdr-list-item {
    display: flex;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid #f0f0f0;
    transition: background 0.3s;
}

.zdr-list-item:last-child {
    border-bottom: none;
}

.zdr-list-item:hover {
    background: #f9f9ff;
}

.zdr-list-item .item-number {
    width: 35px;
    height: 35px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    flex-shrink: 0;
}

.zdr-list-item .item-content {
    flex: 1;
    margin-left: 20px;
}

.zdr-list-item .item-title {
    font-weight: 600;
    color: #333;
    margin-bottom: 5px;
}

.zdr-list-item .item-title a {
    color: inherit;
    text-decoration: none;
}

.zdr-list-item .item-title a:hover {
    color: #667eea;
}

.zdr-list-item .item-meta {
    font-size: 13px;
    color: #999;
}

.zdr-list-item .item-action {
    flex-shrink: 0;
}

.zdr-list-item .visit-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 8px 16px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border-radius: 20px;
    font-size: 13px;
    text-decoration: none;
    transition: all 0.3s;
}

.zdr-list-item .visit-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

/* 空状态 */
.zdr-empty {
    text-align: center;
    padding: 80px 20px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
}

.zdr-empty .empty-icon {
    font-size: 80px;
    margin-bottom: 25px;
    opacity: 0.5;
}

.zdr-empty h3 {
    color: #333;
    font-size: 22px;
    margin-bottom: 15px;
}

.zdr-empty p {
    color: #666;
    font-size: 15px;
}

/* 加载状态 */
.zdr-loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 60px 20px;
}

.zdr-loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid #f0f0f0;
    border-top-color: #667eea;
    border-radius: 50%;
    animation: zdr-spin 1s linear infinite;
}

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

/* 官网引导 */
.zdr-site-cta {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 16px;
    padding: 40px;
    margin-top: 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    box-shadow: 0 10px 40px rgba(102, 126, 234, 0.3);
}

.zdr-site-cta .cta-content {
    color: #fff;
}

.zdr-site-cta .cta-content h3 {
    margin: 0 0 10px;
    font-size: 24px;
    font-weight: 700;
}

.zdr-site-cta .cta-content p {
    margin: 0;
    opacity: 0.9;
    font-size: 15px;
}

.zdr-site-cta .cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 15px 35px;
    background: #fff;
    color: #667eea;
    text-decoration: none;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    white-space: nowrap;
    transition: all 0.3s;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.zdr-site-cta .cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .zdr-page-header h1,
    .zdr-page-header h2 {
        font-size: 24px;
    }
    
    .zdr-site-header {
        flex-direction: column;
        text-align: center;
    }
    
    .zdr-filter-bar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .zdr-filter-bar .filter-item {
        flex-direction: column;
        align-items: stretch;
    }
    
    .zdr-filter-bar input[type="date"],
    .zdr-filter-bar select {
        width: 100%;
    }
    
    .zdr-quick-filter {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .zdr-resources-grid {
        grid-template-columns: 1fr;
    }
    
    .zdr-date-picker {
        flex-direction: column;
    }
    
    .zdr-list-item {
        flex-direction: column;
        text-align: center;
    }
    
    .zdr-list-item .item-content {
        margin-left: 0;
        margin-top: 15px;
    }
    
    .zdr-list-item .item-action {
        margin-top: 15px;
    }
    
    .zdr-site-cta {
        flex-direction: column;
        text-align: center;
        padding: 30px 20px;
    }
    
    .zdr-site-cta .cta-content {
        margin-bottom: 20px;
    }
}

/* 暗色模式支持（适配子比主题） */
.dark-theme .zdr-frontend-wrap,
[data-theme="dark"] .zdr-frontend-wrap {
    background: transparent;
}

.dark-theme .zdr-resource-card,
.dark-theme .zdr-stat-item,
.dark-theme .zdr-date-picker,
.dark-theme .zdr-resources-list,
.dark-theme .zdr-empty,
.dark-theme .zdr-site-header,
.dark-theme .zdr-filter-bar,
.dark-theme .zdr-quick-filter,
[data-theme="dark"] .zdr-resource-card,
[data-theme="dark"] .zdr-stat-item,
[data-theme="dark"] .zdr-date-picker,
[data-theme="dark"] .zdr-resources-list,
[data-theme="dark"] .zdr-empty,
[data-theme="dark"] .zdr-site-header,
[data-theme="dark"] .zdr-filter-bar,
[data-theme="dark"] .zdr-quick-filter {
    background: #1e1e2f;
    color: #e0e0e0;
}

.dark-theme .zdr-resource-content h3 a,
.dark-theme .zdr-list-item .item-title,
.dark-theme .zdr-category-title h2,
.dark-theme .zdr-site-header .site-name a,
.dark-theme .zdr-filter-bar label,
.dark-theme .zdr-quick-filter .filter-label,
[data-theme="dark"] .zdr-resource-content h3 a,
[data-theme="dark"] .zdr-list-item .item-title,
[data-theme="dark"] .zdr-category-title h2,
[data-theme="dark"] .zdr-site-header .site-name a,
[data-theme="dark"] .zdr-filter-bar label,
[data-theme="dark"] .zdr-quick-filter .filter-label {
    color: #e0e0e0;
}

.dark-theme .zdr-resource-excerpt,
.dark-theme .zdr-resource-meta,
.dark-theme .zdr-list-item .item-meta,
.dark-theme .zdr-site-header .site-desc,
[data-theme="dark"] .zdr-resource-excerpt,
[data-theme="dark"] .zdr-resource-meta,
[data-theme="dark"] .zdr-list-item .item-meta,
[data-theme="dark"] .zdr-site-header .site-desc {
    color: #999;
}

.dark-theme .zdr-filter-bar input[type="date"],
.dark-theme .zdr-filter-bar select,
.dark-theme .zdr-quick-filter .filter-tag,
[data-theme="dark"] .zdr-filter-bar input[type="date"],
[data-theme="dark"] .zdr-filter-bar select,
[data-theme="dark"] .zdr-quick-filter .filter-tag {
    background: #2a2a3d;
    border-color: #3a3a4d;
    color: #e0e0e0;
}

.dark-theme .zdr-quick-filter .filter-tag:hover,
[data-theme="dark"] .zdr-quick-filter .filter-tag:hover {
    border-color: #667eea;
    color: #667eea;
}