/*
Theme Name: PureText Resource
Theme URI: https://github.com/puretext
Author: PureText Team
Description: 在线资源站主题，天蓝绿色系设计，支持资源文章类型、分类、SEO 优化、响应式、PC+移动端适配
Version: 1.0.0
License: GPL v2 or later
Tags: resource, download, seo, responsive, custom-post-types
*/
/* =====================================================
   CSS 变量 / Design Tokens
   ===================================================== */
:root {
    --color-primary:      #0EA5E9;
    --color-primary-dark: #0284C7;
    --color-secondary:    #10B981;
    --color-bg:           #F0FAFB;
    --color-card:         #FFFFFF;
    --color-text:         #0F172A;
    --color-text-muted:   #64748B;
    --color-text-light:   #94A3B8;
    --color-border:       #E2E8F0;
    --color-tag-bg:       #F0F9FF;
    --color-tag-text:     #0EA5E9;
    --color-badge-free:   #10B981;
    --color-badge-hot:    #EF4444;
    --color-badge-vip:    #F59E0B;
    --color-rank-1:       #F59E0B;
    --color-rank-2:       #94A3B8;
    --color-rank-3:       #CD7F32;
    --color-nav-bg:       #0F172A;
    --color-nav-text:     #FFFFFF;
    --radius-sm:          4px;
    --radius-md:          8px;
    --radius-lg:          12px;
    --radius-full:        999px;
    --shadow-card:        0 2px 8px rgba(0,0,0,0.07);
    --shadow-hover:       0 6px 20px rgba(14,165,233,0.15);
    --font-main:          'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
    --transition:         all 0.2s ease;
}
/* =====================================================
   Reset & Base
   ===================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
    font-family: var(--font-main);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; transition: var(--transition); }
a:hover { color: var(--color-primary); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
/* =====================================================
   Layout
   ===================================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}
.main-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 20px;
    padding: 20px 0;
}
.main-content { min-width: 0; }
.sidebar { min-width: 0; }
/* =====================================================
   Header / Navigation
   ===================================================== */
.site-header {
    background: var(--color-nav-bg);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.header-inner {
    display: flex;
    align-items: center;
    height: 56px;
    gap: 20px;
}
.site-logo {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-primary);
    white-space: nowrap;
    flex-shrink: 0;
}
.site-logo span { color: #fff; }
.main-nav { display: flex; gap: 4px; flex: 1; }
.main-nav a {
    color: rgba(255,255,255,0.85);
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    white-space: nowrap;
}
.main-nav a:hover, .main-nav a.active {
    background: var(--color-primary);
    color: #fff;
}
.header-search {
    display: flex;
    align-items: center;
    background: rgba(255,255,255,0.12);
    border-radius: var(--radius-full);
    padding: 4px 12px;
    gap: 8px;
    flex-shrink: 0;
}
.header-search input {
    background: none;
    border: none;
    outline: none;
    color: #fff;
    font-size: 0.875rem;
    width: 160px;
}
.header-search input::placeholder { color: rgba(255,255,255,0.5); }
.header-search button {
    background: none;
    border: none;
    cursor: pointer;
    color: rgba(255,255,255,0.7);
    padding: 0;
    font-size: 1rem;
}
/* =====================================================
   Section Title
   ===================================================== */
.section-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--color-border);
}
.section-title::before {
    content: '';
    display: block;
    width: 4px;
    height: 18px;
    background: var(--color-primary);
    border-radius: 2px;
}
/* =====================================================
   Resource Card (Grid)
   ===================================================== */
.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}
.resource-card {
    background: var(--color-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    border: 1px solid var(--color-border);
}
.resource-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
    border-color: var(--color-primary);
}
.resource-card-cover {
    height: 100px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    position: relative;
}
.resource-card-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    background: var(--color-badge-free);
    color: #fff;
    font-size: 0.68rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: var(--radius-full);
}
.resource-card-badge.hot { background: var(--color-badge-hot); }
.resource-card-badge.vip { background: var(--color-badge-vip); }
.resource-card-body { padding: 12px; }
.resource-card-title {
    font-size: 0.92rem;
    font-weight: 700;
    margin-bottom: 6px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.resource-card-meta {
    display: flex;
    gap: 8px;
    font-size: 0.72rem;
    color: var(--color-text-muted);
    margin-bottom: 6px;
    flex-wrap: wrap;
}
.resource-card-desc {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
/* =====================================================
   Resource Detail Page
   ===================================================== */
.resource-detail {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-card);
    margin-bottom: 20px;
}
.resource-detail-header {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    align-items: flex-start;
}
.resource-icon-wrap {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    flex-shrink: 0;
}
.resource-info { flex: 1; }
.resource-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}
.resource-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 10px;
}
.resource-tag {
    background: var(--color-tag-bg);
    color: var(--color-tag-text);
    font-size: 0.78rem;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    border: 1px solid rgba(14,165,233,0.2);
}
.resource-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}
.resource-actions {
    display: flex;
    gap: 10px;
    margin-top: 14px;
    flex-wrap: wrap;
}
.btn-download {
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-full);
    padding: 10px 28px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}
.btn-download:hover { background: var(--color-primary-dark); color: #fff; }
.btn-preview {
    background: var(--color-card);
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-full);
    padding: 10px 24px;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}
.btn-preview:hover { background: var(--color-tag-bg); }
/* =====================================================
   File Info Box
   ===================================================== */
.file-info-box {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 16px;
    margin-bottom: 16px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
}
.file-info-item { display: flex; flex-direction: column; gap: 4px; }
.file-info-label { font-size: 0.75rem; color: var(--color-text-muted); }
.file-info-value { font-size: 0.9rem; font-weight: 700; color: var(--color-text); }
/* =====================================================
   Breadcrumb
   ===================================================== */
.fan-breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    color: var(--color-text-muted);
    padding: 12px 0;
    flex-wrap: wrap;
}
.fan-breadcrumb a { color: var(--color-text-muted); }
.fan-breadcrumb a:hover { color: var(--color-primary); }
.fan-breadcrumb span { color: var(--color-text-light); }
/* =====================================================
   Sidebar Widgets
   ===================================================== */
.sidebar-widget {
    background: var(--color-card);
    border-radius: var(--radius-md);
    padding: 16px;
    box-shadow: var(--shadow-card);
    margin-bottom: 16px;
}
.rank-list { display: flex; flex-direction: column; gap: 10px; }
.rank-item { display: flex; align-items: center; gap: 10px; }
.rank-num {
    width: 22px;
    height: 22px;
    border-radius: 4px;
    background: var(--color-bg);
    color: var(--color-text-muted);
    font-size: 0.78rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.rank-num.r1 { background: var(--color-rank-1); color: #fff; }
.rank-num.r2 { background: var(--color-rank-2); color: #fff; }
.rank-num.r3 { background: var(--color-rank-3); color: #fff; }
.rank-info { flex: 1; min-width: 0; }
.rank-title {
    font-size: 0.85rem;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.rank-pop { font-size: 0.75rem; color: var(--color-text-muted); }
/* =====================================================
   Pagination
   ===================================================== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    padding: 20px 0;
    flex-wrap: wrap;
}
.pagination a, .pagination .current {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    font-size: 0.88rem;
    color: var(--color-text-muted);
    transition: var(--transition);
}
.pagination a:hover { border-color: var(--color-primary); color: var(--color-primary); }
.pagination .current { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
/* =====================================================
   Footer
   ===================================================== */
.site-footer {
    background: var(--color-nav-bg);
    color: rgba(255,255,255,0.6);
    text-align: center;
    padding: 20px 0;
    font-size: 0.82rem;
    margin-top: 40px;
}
.site-footer a { color: rgba(255,255,255,0.8); }
.site-footer a:hover { color: var(--color-primary); }
/* =====================================================
   Mobile Bottom Nav
   ===================================================== */
.mobile-nav {
    display: none;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    background: var(--color-card);
    border-top: 1px solid var(--color-border);
    z-index: 200;
    box-shadow: 0 -2px 8px rgba(0,0,0,0.08);
}
.mobile-nav-inner { display: flex; height: 56px; }
.mobile-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    font-size: 0.68rem;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: var(--transition);
}
.mobile-nav-item.active, .mobile-nav-item:hover { color: var(--color-primary); }
.mobile-nav-item .nav-icon { font-size: 1.3rem; line-height: 1; }
/* =====================================================
   Hero Banner
   ===================================================== */
.hero-banner {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    color: #fff;
    margin-bottom: 24px;
    text-align: center;
}
.hero-banner h1 { font-size: 1.8rem; font-weight: 700; margin-bottom: 8px; }
.hero-banner p { font-size: 1rem; opacity: 0.9; margin-bottom: 16px; }
.hero-search {
    display: flex;
    max-width: 480px;
    margin: 0 auto;
    gap: 0;
    border-radius: var(--radius-full);
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}
.hero-search input {
    flex: 1;
    border: none;
    padding: 12px 20px;
    font-size: 1rem;
    outline: none;
}
.hero-search button {
    background: var(--color-nav-bg);
    color: #fff;
    border: none;
    padding: 12px 24px;
    font-size: 1rem;
    cursor: pointer;
    font-weight: 700;
}
/* =====================================================
   Category Nav
   ===================================================== */
.cat-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}
.cat-nav-item {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    padding: 6px 16px;
    font-size: 0.88rem;
    color: var(--color-text-muted);
    transition: var(--transition);
    cursor: pointer;
}
.cat-nav-item:hover, .cat-nav-item.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}
/* =====================================================
   Responsive
   ===================================================== */
@media (max-width: 900px) {
    .main-layout { grid-template-columns: 1fr; }
    .sidebar { display: none; }
    .resource-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .resource-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .resource-detail-header { flex-direction: column; align-items: center; text-align: center; }
    .resource-actions { justify-content: center; }
    .header-search { display: none; }
    .main-nav { display: none; }
    .mobile-nav { display: block; }
    body { padding-bottom: 56px; }
}