<?php
/**
 * shywh 主题 - 主样式表
 *
 * @package shywh
 * @version 1.0.0
 */

/**
 * --------------------------------------------------------------
 * 主题信息（WordPress 必需，勿删）
 * --------------------------------------------------------------
 */
/*
Theme Name: shywh
Theme URI: https://shy.sanmi.vip
Author: shywh
Author URI: https://shy.sanmi.vip
Description: shywh 自定义主题，一个轻量、响应式、语义化的 WordPress 起始主题。
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: shywh
Tags: blog, custom-logo, custom-menu, featured-images, translation-ready, responsive-layout
*/

/**
 * --------------------------------------------------------------
 * CSS 变量 - 全局设计令牌
 * 修改这里即可整体换肤
 * --------------------------------------------------------------
 */
:root {
	--shywh-color-primary: #2c3e50;
	--shywh-color-accent: #3498db;
	--shywh-color-text: #333333;
	--shywh-color-text-light: #666666;
	--shywh-color-border: #e1e1e1;
	--shywh-color-bg: #ffffff;
	--shywh-color-bg-alt: #f7f7f7;

	--shywh-font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
		"Hiragino Sans GB", "Microsoft YaHei", sans-serif;
	--shywh-font-heading: inherit;

	--shywh-max-width: 1200px;
	--shywh-content-width: 720px;
	--shywh-spacing: 1.5rem;
	--shywh-radius: 4px;
}

/**
 * --------------------------------------------------------------
 * 基础重置
 * --------------------------------------------------------------
 */
*,
*::before,
*::after {
	box-sizing: border-box;
}

body {
	margin: 0;
	padding: 0;
	font-family: var(--shywh-font-body);
	font-size: 16px;
	line-height: 1.7;
	color: var(--shywh-color-text);
	background-color: var(--shywh-color-bg);
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

img,
picture,
video,
canvas,
svg {
	display: block;
	max-width: 100%;
	height: auto;
}

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

a:hover,
a:focus {
	color: var(--shywh-color-primary);
	text-decoration: underline;
}

h1,
h2,
h3,
h4,
h5,
h6 {
	font-family: var(--shywh-font-heading);
	margin: 0 0 1rem;
	line-height: 1.3;
	color: var(--shywh-color-primary);
	font-weight: 600;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.6rem; }
h3 { font-size: 1.3rem; }
h4 { font-size: 1.1rem; }

p {
	margin: 0 0 1.2rem;
}

ul,
ol {
	margin: 0 0 1.2rem;
	padding-left: 1.5rem;
}

/* 无障碍：跳转链接 */
.screen-reader-text {
	border: 0;
	clip: rect(1px, 1px, 1px, 1px);
	clip-path: inset(50%);
	height: 1px;
	margin: -1px;
	overflow: hidden;
	padding: 0;
	position: absolute;
	width: 1px;
	word-wrap: normal !important;
}

.screen-reader-text:focus {
	background-color: var(--shywh-color-bg-alt);
	clip: auto !important;
	clip-path: none;
	color: var(--shywh-color-primary);
	display: block;
	font-size: 0.9rem;
	height: auto;
	left: 0.5rem;
	line-height: normal;
	padding: 0.8rem 1.2rem;
	text-decoration: none;
	top: 0.5rem;
	width: auto;
	z-index: 100000;
}

.skip-link:focus {
	outline: 2px solid var(--shywh-color-accent);
}

/* 对齐辅助类 */
.alignleft { float: left; margin: 0 1.5rem 1rem 0; }
.alignright { float: right; margin: 0 0 1rem 1.5rem; }
.aligncenter { display: block; margin-left: auto; margin-right: auto; }

:focus-visible {
	outline: 2px solid var(--shywh-color-accent);
	outline-offset: 2px;
}

/**
 * --------------------------------------------------------------
 * 布局容器
 * --------------------------------------------------------------
 */
.site {
	display: flex;
	flex-direction: column;
	min-height: 100vh;
}

.container {
	width: 100%;
	max-width: var(--shywh-max-width);
	margin: 0 auto;
	padding: 0 var(--shywh-spacing);
}

.site-content {
	flex: 1 0 auto;
	padding: 2.5rem 0;
}

.content-area {
	display: grid;
	grid-template-columns: 1fr;
	gap: 2.5rem;
}

/* 有侧边栏时（页面/单页可加 class） */
@media (min-width: 900px) {
	.content-area.has-sidebar {
		grid-template-columns: minmax(0, 1fr) 300px;
	}
}

/**
 * --------------------------------------------------------------
 * 站点头部
 * --------------------------------------------------------------
 */
.site-header {
	background-color: var(--shywh-color-bg);
	border-bottom: 1px solid var(--shywh-color-border);
	padding: 1.2rem 0;
}

.site-header .container {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
}

.site-branding {
	display: flex;
	align-items: center;
	gap: 0.8rem;
}

.site-logo img {
	max-height: 48px;
	width: auto;
}

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

.site-title a {
	color: var(--shywh-color-primary);
	text-decoration: none;
}

.site-description {
	margin: 0.2rem 0 0;
	font-size: 0.9rem;
	color: var(--shywh-color-text-light);
}

/* 导航菜单 */
.main-navigation ul {
	display: flex;
	flex-wrap: wrap;
	gap: 1.5rem;
	list-style: none;
	margin: 0;
	padding: 0;
}

.main-navigation a {
	color: var(--shywh-color-text);
	font-weight: 500;
	padding: 0.3rem 0;
}

.main-navigation a:hover,
.main-navigation .current-menu-item > a {
	color: var(--shywh-color-accent);
}

.main-navigation .sub-menu {
	display: none;
}

/* 移动端菜单按钮 */
.menu-toggle {
	display: none;
	background: none;
	border: 1px solid var(--shywh-color-border);
	border-radius: var(--shywh-radius);
	padding: 0.5rem 0.9rem;
	cursor: pointer;
	font-size: 0.95rem;
	color: var(--shywh-color-text);
}

@media (max-width: 768px) {
	.menu-toggle {
		display: block;
	}

	.main-navigation {
		width: 100%;
	}

	.main-navigation ul {
		display: none;
		flex-direction: column;
		gap: 0.5rem;
		width: 100%;
		padding-top: 1rem;
	}

	.main-navigation.toggled ul {
		display: flex;
	}
}

/**
 * --------------------------------------------------------------
 * 文章 / 列表
 * --------------------------------------------------------------
 */
.post,
.page {
	margin-bottom: 2.5rem;
}

.entry-header {
	margin-bottom: 1rem;
}

.entry-title {
	margin: 0 0 0.5rem;
	font-size: 1.8rem;
}

.entry-title a {
	color: var(--shywh-color-primary);
	text-decoration: none;
}

.entry-title a:hover {
	color: var(--shywh-color-accent);
}

.entry-meta {
	font-size: 0.85rem;
	color: var(--shywh-color-text-light);
	display: flex;
	flex-wrap: wrap;
	gap: 1rem;
}

.entry-meta a {
	color: var(--shywh-color-text-light);
}

.entry-meta a:hover {
	color: var(--shywh-color-accent);
}

.post-thumbnail {
	margin-bottom: 1rem;
}

.post-thumbnail img {
	border-radius: var(--shywh-radius);
	width: 100%;
}

.entry-summary,
.entry-content {
	max-width: var(--shywh-content-width);
}

.entry-content img {
	border-radius: var(--shywh-radius);
}

.entry-footer {
	margin-top: 1rem;
	font-size: 0.9rem;
	color: var(--shywh-color-text-light);
}

/* 文章卡片式列表（首页） */
.post-list {
	display: grid;
	gap: 2rem;
}

.post-card {
	padding-bottom: 2rem;
	border-bottom: 1px solid var(--shywh-color-border);
}

.post-card:last-child {
	border-bottom: none;
}

.more-link {
	display: inline-block;
	margin-top: 0.5rem;
	font-weight: 600;
}

/* 分页 */
.pagination,
.post-navigation {
	margin-top: 2rem;
}

.pagination .nav-links {
	display: flex;
	gap: 0.5rem;
	flex-wrap: wrap;
}

.pagination .page-numbers {
	padding: 0.5rem 0.9rem;
	border: 1px solid var(--shywh-color-border);
	border-radius: var(--shywh-radius);
}

.pagination .page-numbers.current {
	background-color: var(--shywh-color-accent);
	border-color: var(--shywh-color-accent);
	color: #fff;
}

.post-navigation .nav-links {
	display: flex;
	justify-content: space-between;
	gap: 1rem;
}

/**
 * --------------------------------------------------------------
 * 归档 / 搜索页头
 * --------------------------------------------------------------
 */
.page-header {
	margin-bottom: 2rem;
	padding-bottom: 1rem;
	border-bottom: 1px solid var(--shywh-color-border);
}

.page-title {
	margin: 0;
	font-size: 1.5rem;
}

.archive-description {
	margin-top: 0.5rem;
	color: var(--shywh-color-text-light);
}

/**
 * --------------------------------------------------------------
 * 侧边栏 & 小工具
 * --------------------------------------------------------------
 */
.widget-area .widget {
	margin-bottom: 2rem;
	padding: 1.2rem;
	background-color: var(--shywh-color-bg-alt);
	border-radius: var(--shywh-radius);
}

.widget-title {
	margin: 0 0 1rem;
	font-size: 1.1rem;
}

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

.widget ul li {
	padding: 0.4rem 0;
	border-bottom: 1px solid var(--shywh-color-border);
}

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

/**
 * --------------------------------------------------------------
 * 表单 / 评论
 * --------------------------------------------------------------
 */
input[type="text"],
input[type="email"],
input[type="url"],
input[type="search"],
input[type="password"],
textarea {
	width: 100%;
	padding: 0.6rem 0.8rem;
	border: 1px solid var(--shywh-color-border);
	border-radius: var(--shywh-radius);
	font-family: inherit;
	font-size: 1rem;
}

textarea {
	min-height: 140px;
}

button,
input[type="submit"],
.wp-block-button__link {
	background-color: var(--shywh-color-accent);
	color: #fff;
	border: none;
	border-radius: var(--shywh-radius);
	padding: 0.7rem 1.4rem;
	font-size: 1rem;
	cursor: pointer;
	transition: background-color 0.2s ease;
}

button:hover,
input[type="submit"]:hover {
	background-color: var(--shywh-color-primary);
}

.search-form {
	display: flex;
	gap: 0.5rem;
}

.search-form label {
	flex: 1;
}

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

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

.comment-list li {
	margin-bottom: 1.5rem;
}

.comment-body {
	padding: 1rem;
	background-color: var(--shywh-color-bg-alt);
	border-radius: var(--shywh-radius);
}

/**
 * --------------------------------------------------------------
 * 站点底部
 * --------------------------------------------------------------
 */
.site-footer {
	background-color: var(--shywh-color-primary);
	color: rgba(255, 255, 255, 0.85);
	padding: 2rem 0;
	margin-top: auto;
}

.site-footer a {
	color: #fff;
}

.site-footer .container {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
}

.site-info {
	font-size: 0.9rem;
	margin: 0;
}

.footer-navigation ul {
	display: flex;
	gap: 1.2rem;
	list-style: none;
	margin: 0;
	padding: 0;
	font-size: 0.9rem;
}

/**
 * --------------------------------------------------------------
 * 404 页面
 * --------------------------------------------------------------
 */
.error-404 {
	text-align: center;
	padding: 3rem 0;
}

.error-404 .search-form {
	max-width: 400px;
	margin: 1.5rem auto 0;
}

/**
 * --------------------------------------------------------------
 * 响应式调整
 * --------------------------------------------------------------
 */
@media (max-width: 600px) {
	.entry-title { font-size: 1.5rem; }
	.site-content { padding: 1.5rem 0; }
	:root { --shywh-spacing: 1rem; }
}