/**
 * 文章列表页面样式
 */

/* 面包屑导航 */
.breadcrumb {
    background: rgba(10, 14, 39, 0.5);
    border-bottom: 1px solid rgba(0, 180, 255, 0.1);
    padding: 15px 0;
}

.breadcrumb .container {
    max-width: 1500px;
    margin: 0 auto;
    padding: 0 20px;
}

.breadcrumb-item {
    color: #A0A8C0;
    font-size: 14px;
}

.breadcrumb-item a {
    color: #A0A8C0;
    text-decoration: none;
    transition: color 0.3s;
}

.breadcrumb-item a:hover {
    color: #00B4FF;
}

.breadcrumb-separator {
    margin: 0 10px;
    color: #4A5568;
}

.breadcrumb-item.active {
    color: #00B4FF;
}

/* 列表页面 */
.article-list-page {
    padding: 60px 0 80px;
    min-height: 60vh;
}

.article-list-page .container {
    max-width: 1500px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 页面标题 */
.page-header {
    text-align: center;
    margin-bottom: 50px;
}

.page-title {
    font-size: 36px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 15px;
    background: linear-gradient(135deg, #00B4FF, #00E5FF);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-subtitle {
    font-size: 16px;
    color: #A0A8C0;
    margin: 0;
}

/* 文章列表 */
.article-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

/* 文章卡片 */
.article-card {
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.8), rgba(22, 33, 62, 0.8));
    border: 1px solid rgba(0, 180, 255, 0.15);
    border-radius: 12px;
    padding: 30px;
    transition: all 0.3s;
    cursor: pointer;
}

.article-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 180, 255, 0.3);
    box-shadow: 0 10px 40px rgba(0, 180, 255, 0.15);
}

.article-card-header {
    margin-bottom: 15px;
}

.article-card-title {
    font-size: 18px;
    font-weight: 600;
    color: #ffffff;
    margin: 0 0 10px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card-meta {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 13px;
    color: #A0A8C0;
}

.article-card-meta .meta-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.article-card-summary {
    font-size: 14px;
    color: #A0A8C0;
    line-height: 1.8;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 15px;
    border-top: 1px solid rgba(0, 180, 255, 0.1);
}

.read-more {
    color: #00B4FF;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all 0.3s;
}

.article-card:hover .read-more {
    color: #00E5FF;
    gap: 10px;
}

.article-tags {
    display: flex;
    gap: 8px;
}

.article-tag {
    padding: 4px 12px;
    background: rgba(0, 180, 255, 0.1);
    border: 1px solid rgba(0, 180, 255, 0.2);
    border-radius: 20px;
    font-size: 12px;
    color: #00B4FF;
}

/* 分页 */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-top: 50px;
}

.page-btn {
    padding: 10px 20px;
    background: rgba(0, 180, 255, 0.1);
    border: 1px solid rgba(0, 180, 255, 0.2);
    border-radius: 8px;
    color: #00B4FF;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
}

.page-btn:hover:not(:disabled) {
    background: rgba(0, 180, 255, 0.2);
    border-color: rgba(0, 180, 255, 0.4);
}

.page-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.page-numbers {
    display: flex;
    gap: 8px;
}

.page-number {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 180, 255, 0.1);
    border: 1px solid rgba(0, 180, 255, 0.2);
    border-radius: 8px;
    color: #A0A8C0;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s;
}

.page-number:hover {
    background: rgba(0, 180, 255, 0.2);
    border-color: rgba(0, 180, 255, 0.4);
    color: #ffffff;
}

.page-number.active {
    background: linear-gradient(135deg, #00B4FF, #00E5FF);
    border-color: #00B4FF;
    color: #0A0E27;
    font-weight: 600;
}

/* 加载占位 */
.loading-placeholder {
    text-align: center;
    padding: 80px 20px;
    color: #A0A8C0;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    margin: 0 auto 20px;
    border: 3px solid rgba(0, 180, 255, 0.1);
    border-top-color: #00B4FF;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: #A0A8C0;
}

.empty-state-icon {
    font-size: 64px;
    margin-bottom: 20px;
    opacity: 0.3;
}

.empty-state-text {
    font-size: 16px;
    margin: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .page-title {
        font-size: 28px;
    }

    .article-list {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .article-card {
        padding: 20px;
    }

    .pagination {
        flex-wrap: wrap;
    }

    .page-numbers {
        order: 3;
        width: 100%;
        justify-content: center;
        margin-top: 15px;
    }
}

@media (max-width: 480px) {
    .page-title {
        font-size: 24px;
    }

    .page-subtitle {
        font-size: 14px;
    }

    .article-card-title {
        font-size: 16px;
    }
}