/*
Theme Name: OneNav Lite
Theme URI: https://example.com/onenav-lite
Author: AI Assistant
Author URI: https://example.com
Description: 轻量级WordPress导航主题，集网址、资源、资讯于一体，参考 nav.iowen.cn 设计风格
Version: 1.0.0
License: GPL v2
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: onenav-lite
*/

/* ==================== CSS Variables ==================== */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #8b5cf6;
    --accent: #f59e0b;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-card: #ffffff;
    
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    --radius-sm: 6px;
    --radius: 10px;
    --radius-md: 14px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-card: #1e293b;
    
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    
    --border-color: #334155;
    --border-light: #1e293b;
}

/* ==================== Reset & Base ==================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: var(--transition);
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

img {
    max-width: 100%;
    height: auto;
}

/* ==================== Layout ==================== */
.site-wrapper {
    display: flex;
    min-height: 100vh;
}

/* ==================== Sidebar ==================== */
.sidebar {
    width: 260px;
    background: var(--bg-card);
    border-right: 1px solid var(--border-color);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid var(--border-light);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    font-weight: 700;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-nav {
    padding: 16px 12px;
}

.nav-section {
    margin-bottom: 24px;
}

.nav-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    padding: 0 12px 8px;
}

.nav-list {
    list-style: none;
}

.nav-item {
    margin-bottom: 2px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 14px;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    background: var(--bg-tertiary);
    color: var(--primary);
}

.nav-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-badge {
    margin-left: auto;
    font-size: 11px;
    padding: 2px 8px;
    background: var(--bg-tertiary);
    border-radius: 10px;
    color: var(--text-muted);
}

/* ==================== Main Content ==================== */
.main-content {
    flex: 1;
    margin-left: 260px;
    min-height: 100vh;
}

/* ==================== Header ==================== */
.top-header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-search {
    flex: 1;
    max-width: 500px;
}

.search-box {
    display: flex;
    align-items: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 10px 16px;
    gap: 12px;
    transition: var(--transition);
}

.search-box:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.search-box input {
    flex: 1;
    border: none;
    background: none;
    outline: none;
    font-size: 14px;
    color: var(--text-primary);
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition);
}

.btn-icon:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-primary {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* ==================== Hero Section ==================== */
.hero-section {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    padding: 60px 24px;
    text-align: center;
    color: white;
}

.hero-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 12px;
}

.hero-subtitle {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 32px;
}

.hero-search {
    max-width: 600px;
    margin: 0 auto;
}

.hero-search .search-box {
    background: rgba(255, 255, 255, 0.95);
    border: none;
    padding: 16px 24px;
}

.search-engines {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.engine-btn {
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius);
    color: white;
    font-size: 13px;
    transition: var(--transition);
}

.engine-btn:hover,
.engine-btn.active {
    background: rgba(255, 255, 255, 0.3);
}

/* ==================== Content Area ==================== */
.content-area {
    padding: 24px;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.section-title {
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
}

.section-actions {
    display: flex;
    gap: 8px;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    transition: var(--transition);
}

.btn-sm:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* ==================== Cards Grid ==================== */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.card-header {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
}

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.card-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: var(--radius);
}

.card-info {
    flex: 1;
    min-width: 0;
}

.card-title {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 6px;
}

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

.card-badge {
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 500;
}

.badge-hot {
    background: #fef2f2;
    color: #dc2626;
}

.badge-new {
    background: #f0fdf4;
    color: #16a34a;
}

.badge-rec {
    background: #fefce8;
    color: #ca8a04;
}

[data-theme="dark"] .badge-hot {
    background: rgba(220, 38, 38, 0.2);
}

[data-theme="dark"] .badge-new {
    background: rgba(22, 163, 74, 0.2);
}

[data-theme="dark"] .badge-rec {
    background: rgba(202, 138, 4, 0.2);
}

.card-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 12px;
    border-top: 1px solid var(--border-light);
    margin-top: 12px;
}

.card-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.card-tag {
    font-size: 11px;
    padding: 3px 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    color: var(--text-muted);
}

.card-action {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: var(--transition);
}

.card-action:hover {
    background: var(--primary);
    color: white;
}

/* 首页卡片：div 结构 + 透明内部链接 */
.card.link-card {
    display: flex;
    flex-direction: column;
    cursor: pointer;
}
.card-main-link {
    display: block;
    text-decoration: none;
    color: inherit;
    flex: 1;
}
.card-main-link:hover .card-title { color: var(--primary); }

/* 直达按钮（首页卡片底部）- 小巧胶囊样式 */
.card-direct-btn {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 3px 8px;
    background: var(--primary);
    color: #fff !important;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
    text-decoration: none;
    white-space: nowrap;
    width: auto !important;
    height: auto !important;
    min-width: unset !important;
    min-height: unset !important;
    line-height: 1.2;
    transition: all .2s ease;
}
.card-direct-btn:hover {
    opacity: .9;
    transform: translateY(-1px);
    background: var(--primary) !important;
    color: #fff !important;
}
.card-direct-btn::after {
    content: '↗';
    font-size: 10px;
    opacity: .8;
}

/* 卡片元信息（时间/分类） */
.card-meta {
    margin-top: 6px;
    font-size: 11px;
    color: var(--text-muted);
}
.card-time::before {
    content: '🕐 ';
}

/* ==================== Hot List ==================== */
.hot-list {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.hot-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
}

.hot-tab {
    padding: 14px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
    transition: var(--transition);
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
}

.hot-tab:hover {
    color: var(--text-primary);
}

.hot-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.hot-content {
    padding: 16px;
}

.hot-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-light);
}

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

.hot-rank {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.hot-rank.top1 {
    background: #fef2f2;
    color: #dc2626;
}

.hot-rank.top2 {
    background: #fff7ed;
    color: #ea580c;
}

.hot-rank.top3 {
    background: #fefce8;
    color: #ca8a04;
}

.hot-rank.normal {
    background: var(--bg-tertiary);
    color: var(--text-muted);
}

.hot-title {
    flex: 1;
    font-size: 14px;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

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

.hot-heat {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ==================== Two Column Layout ==================== */
.two-column {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 24px;
}

@media (max-width: 1024px) {
    .two-column {
        grid-template-columns: 1fr;
    }
}

/* ==================== Footer ==================== */
.site-footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 40px 24px;
    margin-top: 40px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.footer-links a {
    font-size: 14px;
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary);
}

.footer-copyright {
    font-size: 13px;
    color: var(--text-muted);
}

/* ==================== Mobile Responsive ==================== */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .top-header {
        padding: 12px 16px;
    }
    
    .header-search {
        display: none;
    }
    
    .hero-section {
        padding: 40px 16px;
    }
    
    .hero-title {
        font-size: 24px;
    }
    
    .content-area {
        padding: 16px;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    .search-engines {
        gap: 8px;
    }
    
    .engine-btn {
        padding: 6px 12px;
        font-size: 12px;
    }
}

/* ==================== Scrollbar ==================== */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ==================== Loading Animation ==================== */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.loading {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* ==================== Utility Classes ==================== */
.text-gradient {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}