/*
Theme Name: AIOMAKER
Theme URI: https://aiomaker.com
Author: AIOMAKER
Author URI: https://aiomaker.com
Description: 一个干净、现代、响应式的 WordPress 主题，专注于内容展示和用户体验。
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: aiomaker
Tags: responsive, clean, modern, custom-logo, custom-menu, featured-images
*/

/* ========================================
   重置与基础样式
   ======================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --primary-color: #2563eb;
    --secondary-color: #64748b;
    --text-color: #1e293b;
    --text-light: #64748b;
    --bg-color: #ffffff;
    --bg-light: #f8fafc;
    --border-color: #e2e8f0;
    --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);
    --radius: 8px;
    --container-width: 1200px;
    --transition: all 0.2s ease;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: #1d4ed8;
}

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

/* ========================================
   布局容器
   ======================================== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1rem;
}

/* ========================================
   页眉
   ======================================== */
.site-header {
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    gap: 2rem;
}

.site-logo {
    flex-shrink: 0;
}

.site-logo a {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
}

.site-logo img {
    max-height: 50px;
    width: auto;
}

.site-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

/* 主导航 */
.main-navigation {
    flex: 1;
}

.main-navigation ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.main-navigation li {
    position: relative;
}

.main-navigation a {
    display: block;
    padding: 0.5rem 0;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
}

.main-navigation a:hover {
    color: var(--primary-color);
}

.main-navigation ul ul {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    min-width: 200px;
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    flex-direction: column;
    gap: 0;
}

.main-navigation li:hover > ul {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.main-navigation ul ul a {
    padding: 0.5rem 1rem;
}

/* 移动菜单按钮 */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-color);
    margin: 5px 0;
    transition: var(--transition);
}

/* ========================================
   主内容区
   ======================================== */
.site-main {
    padding: 2rem 0;
    min-height: calc(100vh - 200px);
}

.content-area {
    display: flex;
    gap: 2rem;
}

.content-wrapper {
    flex: 1;
    min-width: 0;
}

/* ========================================
   文章列表
   ======================================== */
.posts-list {
    display: grid;
    gap: 2rem;
}

.post-card {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

.post-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.post-thumbnail {
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.post-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.post-card:hover .post-thumbnail img {
    transform: scale(1.05);
}

.post-content {
    padding: 1.5rem;
}

.post-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.post-title a {
    color: var(--text-color);
}

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

.post-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.post-excerpt {
    color: var(--text-light);
    line-height: 1.6;
}

/* ========================================
   文章详情
   ======================================== */
.single-post .entry-header {
    margin-bottom: 2rem;
}

.entry-title {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
}

.entry-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.entry-content {
    line-height: 1.8;
}

.entry-content h2,
.entry-content h3,
.entry-content h4 {
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.entry-content p {
    margin-bottom: 1.5rem;
}

.entry-content ul,
.entry-content ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.entry-content img {
    border-radius: var(--radius);
    margin: 1.5rem 0;
}

/* ========================================
   页面
   ======================================== */
.page-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
}

.page-content {
    line-height: 1.8;
}

/* ========================================
   侧边栏
   ======================================== */
.widget-area {
    width: 300px;
    flex-shrink: 0;
}

.widget {
    background: var(--bg-light);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.widget-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color);
}

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

.widget li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.widget li:last-child {
    border-bottom: none;
}

.widget a {
    color: var(--text-color);
}

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

/* ========================================
   分页
   ======================================== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 3rem;
}

.pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
}

.pagination .page-numbers:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.pagination .page-numbers.current {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* ========================================
   页脚
   ======================================== */
.site-footer {
    background: var(--bg-light);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 1.5rem;
    margin-top: 3rem;
}

.footer-widgets {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-info {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-light);
    font-size: 0.875rem;
}

/* ========================================
   404 页面
   ======================================== */
.error-404 {
    text-align: center;
    padding: 4rem 1rem;
}

.error-404 h1 {
    font-size: 6rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.error-404 p {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

/* ========================================
   搜索表单
   ======================================== */
.search-form {
    display: flex;
    gap: 0.5rem;
}

.search-form input[type="search"] {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 1rem;
}

.search-form button {
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

.search-form button:hover {
    background: #1d4ed8;
}

/* ========================================
   评论
   ======================================== */
.comments-area {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.comments-title {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.comment-list {
    list-style: none;
    padding: 0;
}

.comment {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.comment:last-child {
    border-bottom: none;
}

.comment-author {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.comment-author img {
    border-radius: 50%;
}

.comment-meta {
    font-size: 0.875rem;
    color: var(--text-light);
}

.comment-content {
    margin-top: 1rem;
    line-height: 1.6;
}

/* ========================================
   响应式
   ======================================== */
@media (max-width: 968px) {
    .content-area {
        flex-direction: column;
    }
    
    .widget-area {
        width: 100%;
    }
    
    .main-navigation {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-color);
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow);
    }
    
    .main-navigation.active {
        display: block;
    }
    
    .main-navigation ul {
        flex-direction: column;
        padding: 1rem;
    }
    
    .main-navigation ul ul {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        padding-left: 1rem;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
}

@media (max-width: 640px) {
    .header-inner {
        flex-wrap: wrap;
    }
    
    .entry-title {
        font-size: 1.5rem;
    }
    
    .page-title {
        font-size: 1.5rem;
    }
    
    .footer-widgets {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   工具类
   ======================================== */
.screen-reader-text {
    clip: rect(1px, 1px, 1px, 1px);
    position: absolute !important;
    height: 1px;
    width: 1px;
    overflow: hidden;
    word-wrap: normal !important;
}

.screen-reader-text:focus {
    background-color: #f1f1f1;
    border-radius: 3px;
    box-shadow: 0 0 2px 2px rgba(0, 0, 0, 0.6);
    clip: auto !important;
    color: #21759b;
    display: block;
    font-size: 14px;
    font-size: 0.875rem;
    font-weight: 700;
    height: auto;
    left: 5px;
    line-height: normal;
    padding: 15px 23px 14px;
    text-decoration: none;
    top: 5px;
    width: auto;
    z-index: 100000;
}

.read-more {
    display: inline-block;
    margin-top: 1rem;
    color: var(--primary-color);
    font-weight: 500;
}

.read-more:hover {
    color: #1d4ed8;
}