/* ==========================================
   frontend.css - 前台页面专用样式
   ========================================== */

/* ========== 1. 搜索头部区域 ========== */
.search-box {
    background: var(--gradient-primary);
    padding: 60px 0;
    margin-bottom: 30px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

.search-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.35);
    z-index: 0;
}

.search-box > .container {
    position: relative;
    z-index: 1;
}

.search-input {
    height: 50px;
    border-radius: var(--radius-xl) 0 0 var(--radius-xl);
    border: none;
    padding: 0 20px;
    font-size: 16px;
    background: var(--bg-warm-white);
}

.search-input:focus {
    box-shadow: none;
    outline: none;
}

.search-btn {
    height: 50px;
    border-radius: 0 var(--radius-xl) var(--radius-xl) 0;
    background: var(--primary-dark);
    border: none;
    color: white;
    padding: 0 30px;
    font-size: 16px;
    font-weight: 500;
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    white-space: nowrap;
}

.search-btn:hover {
    background: #A67B8B;
    color: white;
}

/* ========== 2. Logo 样式 ========== */
.site-logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: white;
    margin-bottom: 25px;
    transition: all var(--transition-normal);
}

.site-logo:hover {
    opacity: 0.9;
    color: white;
}

.logo-icon {
    width: 52px;
    height: 52px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.logo-icon i {
    color: white;
}

.logo-text {
    text-align: left;
}

.logo-text h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0;
    letter-spacing: 2px;
}

.logo-text span {
    font-size: 0.75rem;
    opacity: 0.85;
    letter-spacing: 1px;
}

/* ========== 3. 分类导航 ========== */
.category-nav {
    background: var(--bg-warm-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: 20px;
    position: sticky;
    top: 20px;
    box-shadow: var(--shadow-sm);
}

.category-nav h5 {
    margin-bottom: 15px;
    font-weight: 600;
    color: var(--text-dark);
}

.category-item {
    display: inline-block;
    margin: 5px 10px 5px 0;
}

.category-item a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-medium);
    text-decoration: none;
    padding: 6px 14px;
    border-radius: var(--radius-xl);
    background: var(--bg-soft-gray);
    transition: all var(--transition-normal);
    font-size: 0.9rem;
}

.category-item a:hover {
    background: var(--primary);
    color: white;
}

.category-item a.active {
    background: var(--gradient-primary);
    color: white;
}

.category-item a i {
    font-size: 0.85rem;
}

/* ========== 4. 资源卡片 ========== */
.resource-card {
    background: var(--bg-warm-white);
    border: none;
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    overflow: hidden;
}

.resource-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.resource-card .card-body {
    padding: var(--spacing-lg);
}

.resource-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.resource-title a {
    color: var(--text-dark);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.resource-title a:hover {
    color: var(--primary);
}

.resource-desc {
    color: var(--text-medium);
    font-size: 0.9rem;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.6;
}

.resource-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-light);
}

.view-count {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.view-count i {
    font-size: 0.8rem;
}

/* ========== 5. 侧边栏 ========== */
.sidebar-box {
    background: var(--bg-warm-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}

.sidebar-box h5 {
    margin-bottom: 15px;
    font-weight: 600;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 8px;
}

.sidebar-box h5 i {
    color: var(--primary);
}

.sidebar-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-list li {
    margin-bottom: 8px;
}

.sidebar-list a {
    color: var(--text-medium);
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.sidebar-list a:hover {
    background: var(--bg-light-pink);
    color: var(--primary);
}

.sidebar-list .view-count {
    font-size: 0.75rem;
    color: var(--text-light);
}

/* ========== 6. 面包屑 ========== */
.breadcrumb-box {
    background: var(--bg-warm-white);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}

.breadcrumb-box .breadcrumb {
    margin-bottom: 0;
}

.breadcrumb-box .breadcrumb-item a {
    color: var(--text-medium);
}

.breadcrumb-box .breadcrumb-item a:hover {
    color: var(--primary);
}

.breadcrumb-box .breadcrumb-item.active {
    color: var(--primary);
}

/* ========== 7. 详情页样式 ========== */
.detail-card {
    background: var(--bg-warm-white);
    border: none;
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.detail-card .card-header {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 15px 20px;
    font-weight: 600;
    font-size: 1rem;
}

.detail-card .card-body {
    padding: 25px;
}

.resource-title-detail {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.resource-meta-detail {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    color: var(--text-medium);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.resource-meta-detail span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.resource-meta-detail i {
    color: var(--primary);
}

.resource-description {
    color: var(--text-dark);
    line-height: 1.8;
    padding: 15px;
    background: var(--bg-soft-gray);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.resource-description img {
    max-width: 100%;
    height: auto;
    margin: 10px 0;
    border-radius: var(--radius-md);
}

.resource-description table {
    width: 100%;
    border-collapse: collapse;
    margin: 15px 0;
}

.resource-description th,
.resource-description td {
    border: 1px solid var(--border-light);
    padding: 8px 12px;
    text-align: left;
}

.resource-description th {
    background: var(--bg-light-pink);
    font-weight: 600;
}

/* ========== 8. 网盘链接 ========== */
.link-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    margin-bottom: 10px;
    transition: all var(--transition-normal);
    background: var(--bg-warm-white);
}

.link-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.disk-name {
    font-weight: 600;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 8px;
}

.disk-name i {
    color: var(--primary);
}

.extract-code {
    background: var(--bg-soft-gray);
    padding: 3px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--text-medium);
    margin-left: 10px;
}

.download-btn {
    background: var(--gradient-warm);
    color: white;
    padding: 8px 20px;
    border-radius: var(--radius-xl);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: white;
}

/* ========== 9. 返回按钮 ========== */
.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 15px;
    color: var(--text-medium);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.back-btn:hover {
    color: var(--primary);
}

/* ========== 10. 页脚 ========== */
.site-footer {
    background: var(--bg-soft-gray);
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-xxl);
    border-top: 1px solid var(--border-light);
}

.site-footer p {
    margin-bottom: var(--spacing-sm);
}

/* ========== 11. 无结果提示 ========== */
.no-result {
    text-align: center;
    color: var(--text-light);
    padding: var(--spacing-xxl);
}

.no-result i {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-light);
}

/* ========== 12. 分页样式覆盖 ========== */
.page-link {
    color: var(--primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm) !important;
    margin: 0 2px;
    transition: all var(--transition-fast);
}

.page-link:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary-dark);
}

.page-item.active .page-link {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
}

.page-item.disabled .page-link {
    background: var(--bg-soft-gray);
    color: var(--text-light);
}

/* PC端分页样式 */
.frontend-pagination {
    background: var(--bg-warm-white);
    padding: 12px 16px;
    margin-top: 16px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.frontend-pagination .pagination {
    margin-bottom: 0;
}

.main-content-area {
    padding-bottom: 20px;
}

/* ========== 13. 响应式调整 ========== */
@media (max-width: 991.98px) {
    .search-box {
        padding: 40px 0;
    }

    .category-nav {
        position: static;
        margin-bottom: 20px;
    }

    .logo-text h1 {
        font-size: 1.5rem;
    }

    .resource-title-detail {
        font-size: 1.25rem;
    }
}

@media (max-width: 575.98px) {
    .search-input,
    .search-btn {
        height: 45px;
        font-size: 14px;
    }

    .logo-icon {
        width: 44px;
        height: 44px;
    }

    .logo-text h1 {
        font-size: 1.3rem;
    }

    .link-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .download-btn {
        width: 100%;
        justify-content: center;
    }
}

/* ========== 14. 移动端分页样式 ========== */
@media (max-width: 767.98px) {
    /* 分页包装器 - 保持原始位置 */
    .pagination-wrapper {
        margin-top: 20px;
        min-height: 60px;
    }

    /* 移动端分页 - 现代简约设计 */
    .frontend-pagination {
        padding: 0;
        z-index: 99;
    }
    .frontend-pagination.is-sticky {
        position: fixed;
        bottom: 56px;
        left: 0;
        right: 0;
        padding: 12px 20px;
        background: rgba(255, 255, 255, 0.96);
        box-shadow: 0 -2px 16px rgba(0, 0, 0, 0.08);
    }
    .frontend-pagination .pagination {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0;
        background: transparent;
        padding: 0;
        box-shadow: none;
        border-radius: 0;
    }
    .frontend-pagination .page-item:not(.page-prev):not(.page-next):not(.page-info) {
        display: none;
    }
    .frontend-pagination .page-item.active {
        display: none !important;
    }

    /* 按钮基础样式 */
    .frontend-pagination .page-prev,
    .frontend-pagination .page-next {
        width: auto;
        height: auto;
    }
    .frontend-pagination .page-prev .page-link,
    .frontend-pagination .page-next .page-link {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-width: 72px;
        height: 40px;
        padding: 0 16px;
        border-radius: 20px;
        border: none;
        background: var(--bg-warm-white);
        color: var(--primary-dark);
        font-size: 0.9rem;
        font-weight: 500;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
        transition: all 0.2s ease;
    }
    .frontend-pagination .page-prev .page-link:active,
    .frontend-pagination .page-next .page-link:active {
        transform: scale(0.96);
        background: var(--primary-light);
    }
    .frontend-pagination .page-item.disabled .page-link {
        opacity: 0.4;
        background: var(--bg-soft-gray);
        color: var(--text-light);
        box-shadow: none;
    }

    /* 页码信息 - 核心设计 */
    .frontend-pagination .page-info {
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0 16px;
        min-width: 80px;
    }
    .frontend-pagination .page-info span {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 6px 14px;
        background: var(--gradient-primary);
        color: white;
        font-size: 0.95rem;
        font-weight: 600;
        border-radius: 16px;
        box-shadow: 0 2px 8px rgba(232, 168, 124, 0.3);
    }
    .frontend-pagination .page-info span::before {
        content: '';
    }

    .main-content-area {
        padding-bottom: 100px;
    }
}