/*
Theme Name: CodeHub Premium 商业版
Theme URI: https://codehub.tabbit.ai
Author: Tabbit Premium Themes
Author URI: https://tabbit.ai
Description: 专为开发者、站长和AI从业者打造的高品质WordPress商业主题。支持AI工具导航、编程教程博客、代码片段库和数字化开发资源下载站。内置全套中文字符集适配、亮/暗色双模式一键切换、极速轻量体验、代码一键复制以及一键自动导入演示配套数据功能。
Version: 1.1.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: codehub
*/

:root {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --border-color: #e2e8f0;
    --card-bg: #ffffff;
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --code-bg: #0f172a;
    --code-text: #38bdf8;
    --code-inner-bg: #1e293b;
    --success: #10b981;
}

[data-theme="dark"] {
    --bg-primary: #0b0f19;
    --bg-secondary: #111827;
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --accent: #3b82f6;
    --accent-hover: #60a5fa;
    --border-color: #1f2937;
    --card-bg: #1f2937;
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --code-bg: #030712;
    --code-text: #38bdf8;
    --code-inner-bg: #111827;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Helvetica, Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--accent-hover);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo span {
    color: var(--accent);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-menu ul {
    display: flex;
    list-style: none;
    gap: 20px;
}

.nav-menu a {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 15px;
}

.nav-menu a:hover {
    color: var(--accent);
}

.theme-toggle-btn {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Hero section */
.hero {
    background-color: var(--bg-secondary);
    padding: 80px 0;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.hero h1 {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.hero h1 span {
    color: var(--accent);
}

.hero p {
    color: var(--text-secondary);
    font-size: 18px;
    max-width: 700px;
    margin: 0 auto 32px;
}

.search-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    gap: 12px;
}

.search-input {
    flex-grow: 1;
    padding: 14px 24px;
    border: 1px solid var(--border-color);
    border-radius: 30px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: 16px;
    outline: none;
}

.search-submit {
    background-color: var(--accent);
    color: white;
    border: none;
    padding: 14px 28px;
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
}

.search-submit:hover {
    background-color: var(--accent-hover);
}

/* Main layouts */
.section {
    padding: 60px 0;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    border-left: 4px solid var(--accent);
    padding-left: 12px;
}

.section-title {
    font-size: 26px;
    font-weight: 700;
}

.view-all {
    font-size: 14px;
    font-weight: 600;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

/* Cards */
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--card-shadow);
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.card-badge {
    background-color: rgba(37, 99, 235, 0.1);
    color: var(--accent);
    padding: 4px 10px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
}

.card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.4;
}

.card h3 a {
    color: var(--text-primary);
}

.card h3 a:hover {
    color: var(--accent);
}

.card-desc {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 20px;
    flex-grow: 1;
    line-height: 1.5;
}

.card-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
    padding-top: 15px;
}

/* Single page custom blocks */
.single-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    padding: 40px 0;
}

@media (max-width: 768px) {
    .single-container {
        grid-template-columns: 1fr;
    }
}

.post-content {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 40px;
}

.post-header {
    margin-bottom: 30px;
}

.post-title {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.3;
}

.post-meta-details {
    display: flex;
    gap: 20px;
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 20px;
}

/* Code highlight block */
.code-wrapper {
    background-color: var(--code-bg);
    border-radius: 8px;
    overflow: hidden;
    margin: 24px 0;
    border: 1px solid var(--border-color);
}

.code-header {
    background-color: var(--code-inner-bg);
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 12px;
}

.code-header span {
    font-family: monospace;
    font-weight: 600;
}

.code-copy-btn {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.2s;
}

.code-copy-btn:hover {
    background-color: var(--accent);
    color: white;
}

.code-wrapper pre {
    margin: 0;
    padding: 20px;
    overflow-x: auto;
}

.code-wrapper code {
    font-family: Consolas, Monaco, "Courier New", Courier, monospace;
    color: var(--code-text);
}

/* Download metadata block */
.download-meta-box {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 24px;
    margin: 24px 0;
}

.download-fields {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 20px;
}

.field-item {
    font-size: 14px;
}

.field-label {
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: 4px;
}

.field-value {
    color: var(--text-primary);
    font-weight: 700;
}

.download-actions {
    display: flex;
    gap: 16px;
}

.btn-primary {
    background-color: var(--accent);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 700;
    text-align: center;
    display: inline-block;
    cursor: pointer;
    border: none;
    transition: background-color 0.2s;
}

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

.btn-secondary {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 700;
    text-align: center;
    display: inline-block;
    transition: background-color 0.2s;
}

.btn-secondary:hover {
    background-color: var(--bg-primary);
}

/* Sidebar */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.widget {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
}

.widget-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--accent);
}

/* Footer */
footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 40px 0;
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    font-size: 20px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.footer-logo span {
    color: var(--accent);
}

.footer-links-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links-list a {
    color: var(--text-secondary);
}

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

.footer-bottom {
    text-align: center;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}