/**
 * duskjoy 主题主样式。
 * 三配色模式：html[data-theme="light|sepia|dark"]，由 JS 预置避免闪白。
 */

/* ---------- 设计变量 ---------- */
:root,
html[data-theme="light"] {
	color-scheme: light;
	--bg: #ffffff;
	--bg-soft: #f6f7f9;
	--bg-code: #f2f4f7;
	--text: #24292f;
	--muted: #59636e;
	--border: #e4e7ec;
	--accent: #b45309;
	--accent-strong: #92400e;
	--mark-bg: #fff3d6;
	--shadow: 0 1px 3px rgba(16, 24, 40, 0.08);
	--header-bg: rgba(255, 255, 255, 0.92);
}

html[data-theme="sepia"] {
	color-scheme: light;
	--bg: #e6efe3;
	--bg-soft: #dbe8d8;
	--bg-code: #d3e2cf;
	--text: #29342a;
	--muted: #55624f;
	--border: #c3d4bf;
	--accent: #2f6b3a;
	--accent-strong: #24522d;
	--mark-bg: #cfe3c8;
	--shadow: 0 1px 3px rgba(30, 50, 30, 0.08);
	--header-bg: rgba(230, 239, 227, 0.92);
}

html[data-theme="dark"] {
	color-scheme: dark;
	--bg: #101418;
	--bg-soft: #171c22;
	--bg-code: #1a2129;
	--text: #d6dae0;
	--muted: #8b949e;
	--border: #262d36;
	--accent: #e8964a;
	--accent-strong: #f0a95f;
	--mark-bg: #3d3220;
	--shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
	--header-bg: rgba(16, 20, 24, 0.92);
}

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

html { -webkit-text-size-adjust: 100%; }

body {
	margin: 0;
	background: var(--bg);
	color: var(--text);
	font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", "Segoe UI", sans-serif;
	font-size: 16px;
	line-height: 1.75;
	-webkit-font-smoothing: antialiased;
	transition: background-color 0.25s ease, color 0.25s ease;
}

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

a {
	color: var(--accent);
	text-decoration: none;
	text-underline-offset: 3px;
}
a:hover { color: var(--accent-strong); text-decoration: underline; }

.wrap {
	max-width: 1120px;
	margin: 0 auto;
	padding: 0 20px;
}

/* 布局：内容列 + 侧边栏 */
.layout {
	display: grid;
	grid-template-columns: minmax(0, 1fr) 280px;
	gap: 48px;
	padding-top: 32px;
	padding-bottom: 48px;
}

.content-col { min-width: 0; }

.screen-reader-text {
	position: absolute !important;
	width: 1px; height: 1px;
	margin: -1px; padding: 0;
	overflow: hidden;
	clip: rect(0 0 0 0);
	white-space: nowrap;
	border: 0;
}

.skip-link:focus {
	position: fixed;
	top: 8px; left: 8px;
	z-index: 100;
	width: auto; height: auto;
	clip: auto;
	padding: 10px 16px;
	background: var(--accent);
	color: #fff;
	border-radius: 6px;
}

/* ---------- 头部 ---------- */
.site-header {
	position: sticky;
	top: 0;
	z-index: 50;
	background: var(--header-bg);
	-webkit-backdrop-filter: blur(10px);
	backdrop-filter: blur(10px);
	border-bottom: 1px solid var(--border);
}

.header-inner {
	display: flex;
	align-items: center;
	gap: 24px;
	height: 60px;
}

.brand-link {
	display: inline-flex;
	align-items: center;
	gap: 9px;
	font-size: 1.3rem;
	font-weight: 800;
	letter-spacing: -0.01em;
	line-height: 1;
	color: var(--text);
}
.brand-link:hover { color: var(--text); text-decoration: none; }
.brand-mark { display: block; flex: none; color: var(--muted); }
.brand-text { transform: translateY(1px); /* 光学对齐：文字与图标基线微调 */ }
.brand-joy { font-style: normal; color: var(--accent); }
.brand-link:hover .brand-joy { color: var(--accent-strong); }

.site-nav {
	display: block; /* 覆盖 hidden 属性的 UA 隐藏，保证桌面端始终可见 */
	margin-left: auto;
}

.nav-list {
	display: flex;
	gap: 4px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.nav-list a {
	display: block;
	padding: 6px 12px;
	border-radius: 6px;
	color: var(--muted);
	font-size: 0.95rem;
}
.nav-list a:hover {
	color: var(--accent);
	background: var(--bg-soft);
	text-decoration: none;
}

.header-actions {
	display: flex;
	align-items: center;
	gap: 4px;
	margin-left: 8px;
}

.icon-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 38px; height: 38px;
	padding: 0;
	border: 0;
	border-radius: 8px;
	background: transparent;
	color: var(--muted);
	cursor: pointer;
}
.icon-btn:hover { background: var(--bg-soft); color: var(--accent); }
.icon-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* 三模式图标：只显示当前模式对应图标（仅作用于主题切换按钮，勿用 .icon-btn 命中所有按钮图标） */
.theme-toggle .icon { display: none; }
html[data-theme="light"] .icon-light { display: block; }
html[data-theme="sepia"] .icon-sepia { display: block; }
html[data-theme="dark"] .icon-dark { display: block; }

.nav-toggle { display: none; }

.header-search {
	border-top: 1px solid var(--border);
	padding: 12px 0;
	background: var(--bg);
}

/* ---------- 搜索表单（含 WP 核心搜索挂件标记） ---------- */
.search-form {
	display: flex;
	gap: 8px;
}

.search-form label { flex: 1; min-width: 0; display: flex; }
.search-form label .screen-reader-text { flex: 0; }

.search-input,
.search-form input[type="search"] {
	flex: 1;
	width: 100%;
	min-width: 0;
	padding: 9px 14px;
	border: 1px solid var(--border);
	border-radius: 8px;
	background: var(--bg-soft);
	color: var(--text);
	font-size: 0.95rem;
	font-family: inherit;
}
.search-input:focus,
.search-form input[type="search"]:focus {
	outline: 2px solid var(--accent);
	outline-offset: -1px;
}

.search-submit {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 0 16px;
	min-width: 42px;
	border: 1px solid var(--border);
	border-radius: 8px;
	background: var(--bg-soft);
	color: var(--muted);
	font-family: inherit;
	font-size: 0.9rem;
	cursor: pointer;
}
.search-submit:hover { color: var(--accent); }

/* WP 核心搜索挂件（input 提交按钮形态） */
.search-form input.search-submit[type="submit"] {
	padding: 0 16px;
}

/* 块挂件（widget_block）形态的搜索框与按钮 */
.widget_block .wp-block-search__label { display: none; }
.widget_block .wp-block-search__inside-wrapper {
	display: flex;
	gap: 8px;
	width: 100%;
}
.widget_block .wp-block-search__input {
	flex: 1;
	min-width: 0;
	padding: 9px 14px;
	border: 1px solid var(--border);
	border-radius: 8px;
	background: var(--bg-soft);
	color: var(--text);
	font-size: 0.95rem;
	font-family: inherit;
}
.widget_block .wp-block-search__input:focus {
	outline: 2px solid var(--accent);
	outline-offset: -1px;
}
.widget_block .wp-block-search__button.wp-element-button {
	padding: 9px 16px;
	border: 1px solid var(--border);
	border-radius: 8px;
	background: var(--bg-soft);
	color: var(--muted);
	font-size: 0.9rem;
	font-family: inherit;
	cursor: pointer;
}
.widget_block .wp-block-search__button.wp-element-button:hover {
	color: var(--accent);
}

/* ---------- 首页 ---------- */
.home-hero {
	padding: 8px 0 28px;
	border-bottom: 1px solid var(--border);
	margin-bottom: 28px;
}

.home-title {
	margin: 0 0 6px;
	font-size: 1.9rem;
	font-weight: 800;
	letter-spacing: 0.01em;
}

.home-desc {
	margin: 0;
	color: var(--muted);
}

/* ---------- 文章列表 ---------- */
.post-list { display: flex; flex-direction: column; }

.post-card {
	padding: 22px 0;
	border-bottom: 1px solid var(--border);
}

.post-card:first-child { padding-top: 0; }

.post-card-title {
	margin: 0 0 8px;
	font-size: 1.22rem;
	font-weight: 700;
	line-height: 1.5;
}

.post-card-title a {
	color: var(--text);
}
.post-card-title a:hover {
	color: var(--accent);
	text-decoration: none;
}

.post-card-meta,
.entry-meta {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 8px;
	margin: 0;
	color: var(--muted);
	font-size: 0.85rem;
}

.post-card-meta a,
.entry-meta a { color: var(--muted); }
.post-card-meta a:hover,
.entry-meta a:hover { color: var(--accent); }

.meta-cat { color: var(--accent) !important; }

.post-card-excerpt {
	margin: 10px 0 0;
	color: var(--muted);
	font-size: 0.95rem;
	line-height: 1.8;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

/* 有图/占位卡片：摘要（左）+ 缩略图或首字磁贴（右） */
.post-card-body {
	display: flex;
	align-items: flex-start;
	gap: 14px;
}
.post-card-body .post-card-excerpt {
	flex: 1;
	min-width: 0;
}
.post-card-thumb {
	flex: none;
	display: block;
}
.post-card-thumb img {
	display: block;
	width: 96px;
	height: 96px;
	object-fit: cover;
	border-radius: 6px;
	border: 1px solid var(--border);
	background: var(--surface, transparent);
}
/* 无图占位：标题首字渐变磁贴（6 色按文章 ID 轮换） */
.post-card-thumb.ph {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 96px;
	height: 96px;
	border-radius: 6px;
	color: #fff;
	font-size: 2rem;
	font-weight: 700;
	line-height: 1;
	user-select: none;
}
.ph-0 { background: linear-gradient(135deg, #f97316, #f59e0b); }
.ph-1 { background: linear-gradient(135deg, #0ea5e9, #6366f1); }
.ph-2 { background: linear-gradient(135deg, #10b981, #14b8a6); }
.ph-3 { background: linear-gradient(135deg, #8b5cf6, #d946ef); }
.ph-4 { background: linear-gradient(135deg, #f43f5e, #fb7185); }
.ph-5 { background: linear-gradient(135deg, #64748b, #94a3b8); }
@media (max-width: 640px) {
	.post-card-thumb img,
	.post-card-thumb.ph { width: 72px; height: 72px; }
	.post-card-thumb.ph { font-size: 1.5rem; }
	.post-card-body { gap: 10px; }
}

/* ---------- 分页 ---------- */
.pagination,
.navigation.pagination {
	margin: 32px 0 0;
}

.nav-links {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	justify-content: center;
}

.page-numbers {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 38px;
	height: 38px;
	padding: 0 10px;
	border: 1px solid var(--border);
	border-radius: 8px;
	color: var(--muted);
	font-size: 0.9rem;
}
.page-numbers:hover {
	color: var(--accent);
	border-color: var(--accent);
	text-decoration: none;
}
.page-numbers.current {
	background: var(--accent);
	border-color: var(--accent);
	color: #fff;
}
.page-numbers.dots { border: 0; }

/* ---------- 归档头 ---------- */
.archive-header {
	margin-bottom: 8px;
}

.archive-title {
	margin: 0 0 8px;
	font-size: 1.6rem;
	font-weight: 800;
}

.archive-desc {
	margin: 0 0 6px;
	color: var(--muted);
}

.archive-count {
	margin: 0 0 12px;
	color: var(--muted);
	font-size: 0.9rem;
}

/* ---------- 面包屑 ---------- */
.breadcrumbs { margin-bottom: 20px; }

.breadcrumbs ol {
	display: flex;
	flex-wrap: wrap;
	gap: 4px 8px;
	margin: 0;
	padding: 0;
	list-style: none;
	color: var(--muted);
	font-size: 0.85rem;
}

.breadcrumbs li + li::before {
	content: "/";
	margin-right: 8px;
	color: var(--border);
}

.breadcrumbs a { color: var(--muted); }
.breadcrumbs a:hover { color: var(--accent); }
.breadcrumbs [aria-current="page"] { color: var(--muted); }

/* ---------- 文章详情 ---------- */
.entry-header {
	margin-bottom: 28px;
}

.entry-title {
	margin: 0 0 14px;
	font-size: 1.75rem;
	font-weight: 800;
	line-height: 1.4;
	letter-spacing: 0.01em;
}

.entry-content {
	font-family: Georgia, "Noto Serif CJK SC", "Source Han Serif SC", "Songti SC", SimSun, serif;
	font-size: 1.0625rem;
	line-height: 1.9;
	word-wrap: break-word;
	overflow-wrap: break-word;
}

/* 正文元素排版 */
.entry-content p { margin: 0 0 1.25em; }

.entry-content h2,
.entry-content h3,
.entry-content h4 {
	font-family: inherit;
	line-height: 1.5;
	margin: 2em 0 0.8em;
	scroll-margin-top: 80px;
}
.entry-content h2 {
	font-size: 1.35rem;
	padding-bottom: 0.3em;
	border-bottom: 1px solid var(--border);
}
.entry-content h3 { font-size: 1.15rem; }
.entry-content h4 { font-size: 1.05rem; }

.entry-content a { text-decoration: underline; }

.entry-content ul,
.entry-content ol { margin: 0 0 1.25em; padding-left: 1.8em; }
.entry-content li { margin-bottom: 0.4em; }

.entry-content img {
	border-radius: 6px;
	border: 1px solid var(--border);
}

.entry-content blockquote {
	margin: 1.5em 0;
	padding: 0.8em 1.2em;
	border-left: 4px solid var(--accent);
	background: var(--bg-soft);
	border-radius: 0 6px 6px 0;
	color: var(--muted);
}
.entry-content blockquote p:last-child { margin-bottom: 0; }

/* 代码块：等宽 + 横向滚动 */
.entry-content code {
	font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
	font-size: 0.88em;
	padding: 0.15em 0.4em;
	background: var(--bg-code);
	border: 1px solid var(--border);
	border-radius: 4px;
	-webkit-box-decoration-break: clone;
	box-decoration-break: clone;
}

.entry-content pre {
	margin: 1.5em 0;
	padding: 1em 1.2em;
	background: var(--bg-code);
	border: 1px solid var(--border);
	border-radius: 8px;
	overflow-x: auto;
	line-height: 1.6;
}

.entry-content pre code {
	padding: 0;
	background: transparent;
	border: 0;
	font-size: 0.88rem;
}

.entry-content table {
	width: 100%;
	border-collapse: collapse;
	margin: 1.5em 0;
	font-size: 0.95rem;
}
.entry-content th,
.entry-content td {
	border: 1px solid var(--border);
	padding: 8px 12px;
	text-align: left;
}
.entry-content th { background: var(--bg-soft); }

.entry-content hr {
	border: 0;
	border-top: 1px solid var(--border);
	margin: 2em 0;
}

/* 旧文兼容：2013 年内容里的行内样式/小字体 */
.entry-content font { font-family: inherit; font-size: inherit; }

/* 文章页脚：标签 */
.entry-footer { margin-top: 32px; }

.entry-tags {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin: 0;
}

.tag-pill {
	display: inline-block;
	padding: 3px 12px;
	border: 1px solid var(--border);
	border-radius: 999px;
	color: var(--muted);
	font-size: 0.82rem;
}
.tag-pill:hover {
	color: var(--accent);
	border-color: var(--accent);
	text-decoration: none;
}

/* 上一篇 / 下一篇 */
.post-nav {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 16px;
	margin-top: 36px;
	padding-top: 24px;
	border-top: 1px solid var(--border);
}

.post-nav-item {
	display: flex;
	flex-direction: column;
	gap: 4px;
	padding: 14px 16px;
	border: 1px solid var(--border);
	border-radius: 10px;
	color: var(--text);
	transition: border-color 0.15s ease;
}
.post-nav-item:hover {
	border-color: var(--accent);
	text-decoration: none;
}
.post-nav-next { text-align: right; }
.post-nav-item.is-empty { visibility: hidden; }

.post-nav-label {
	color: var(--muted);
	font-size: 0.8rem;
}

.post-nav-title {
	font-size: 0.95rem;
	font-weight: 600;
	line-height: 1.5;
}

/* 相关文章 */
.related-posts { margin-top: 40px; }

.section-title {
	margin: 0 0 16px;
	font-size: 1.15rem;
	font-weight: 700;
}

.related-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 12px;
}

.related-item {
	display: flex;
	flex-direction: column;
	gap: 6px;
	padding: 14px 16px;
	border: 1px solid var(--border);
	border-radius: 10px;
	color: var(--text);
}
.related-item:hover {
	border-color: var(--accent);
	text-decoration: none;
}

.related-title {
	font-size: 0.92rem;
	font-weight: 600;
	line-height: 1.5;
}

.related-date {
	color: var(--muted);
	font-size: 0.8rem;
}

/* ---------- 评论 ---------- */
.comments-area { margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--border); }

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

.comment-list ol.children {
	list-style: none;
	padding-left: 28px;
	border-left: 2px solid var(--border);
}

.comment-list .comment {
	padding: 16px 0;
	border-bottom: 1px solid var(--border);
}
.comment-list .comment:last-child { border-bottom: 0; }

.comment-meta {
	display: flex;
	align-items: center;
	gap: 10px;
	margin-bottom: 8px;
	color: var(--muted);
	font-size: 0.85rem;
}

.comment-meta .avatar { border-radius: 50%; }

.comment-author .fn { font-weight: 600; color: var(--text); font-style: normal; }

.comment-content { font-size: 0.95rem; }
.comment-content p { margin: 0 0 0.6em; }

.reply { font-size: 0.82rem; }

/* 评论表单 */
.comment-respond { margin-top: 28px; }

.comment-form p { margin: 0 0 16px; }

.comment-form label {
	display: block;
	margin-bottom: 6px;
	font-size: 0.9rem;
	color: var(--muted);
}

.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
	width: 100%;
	padding: 10px 14px;
	border: 1px solid var(--border);
	border-radius: 8px;
	background: var(--bg-soft);
	color: var(--text);
	font-family: inherit;
	font-size: 0.95rem;
}
.comment-form input:focus,
.comment-form textarea:focus {
	outline: 2px solid var(--accent);
	outline-offset: -1px;
}

.comment-form .submit {
	padding: 10px 28px;
	border: 0;
	border-radius: 8px;
	background: var(--accent);
	color: #fff;
	font-size: 0.95rem;
	font-family: inherit;
	cursor: pointer;
}
.comment-form .submit:hover { background: var(--accent-strong); }

.comment-notes { color: var(--muted); font-size: 0.85rem; }

.no-comments { color: var(--muted); }

/* ---------- 侧边栏 ---------- */
.sidebar-col { min-width: 0; }

.sidebar-sticky {
	position: sticky;
	top: 84px;
	display: flex;
	flex-direction: column;
	gap: 24px;
}

.widget {
	padding: 18px;
	border: 1px solid var(--border);
	border-radius: 12px;
	background: var(--bg-soft);
}

.widget-title {
	margin: 0 0 12px;
	font-size: 0.95rem;
	font-weight: 700;
	color: var(--text);
}

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

.plain-list li {
	padding: 7px 0;
	border-bottom: 1px dashed var(--border);
	font-size: 0.9rem;
}
.plain-list li:last-child { border-bottom: 0; }
.plain-list a { color: var(--text); }
.plain-list a:hover { color: var(--accent); }
.plain-list .count { color: var(--muted); font-size: 0.8rem; }

/* ---------- 广告位 ---------- */
.ad-slot {
	margin: 24px 0;
	text-align: center;
}
.ad-slot-ad-sidebar { margin: 0; }

/* ---------- 无结果 / 404 ---------- */
.no-results {
	max-width: 640px;
	margin: 40px auto;
	text-align: center;
	padding: 0 20px;
}

.code-404 {
	margin: 0;
	font-size: 5rem;
	font-weight: 800;
	color: var(--border);
	letter-spacing: 0.05em;
	line-height: 1;
}

.no-results h1 {
	margin: 12px 0 8px;
	font-size: 1.5rem;
}

.no-results p { color: var(--muted); }
.no-results .search-form { margin: 24px auto; max-width: 420px; }
.no-results .section-title { margin-top: 36px; text-align: left; }
.no-results .recent-fallback { text-align: left; }

/* ---------- 页脚 ---------- */
.site-footer {
	border-top: 1px solid var(--border);
	padding: 28px 0 36px;
	margin-top: 24px;
}

.footer-inner {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
}

.footer-copy { margin: 0; color: var(--muted); font-size: 0.88rem; }
.footer-copy a { color: var(--muted); font-weight: 600; }
.footer-copy a:hover { color: var(--accent); }
.footer-desc { margin-left: 10px; }

.footer-nav {
	display: flex;
	flex-wrap: wrap;
	gap: 4px 18px;
	font-size: 0.88rem;
}
.footer-nav a { color: var(--muted); }
.footer-nav a:hover { color: var(--accent); }

/* ---------- 回到顶部 ---------- */
.back-to-top {
	position: fixed;
	right: 24px;
	bottom: 28px;
	z-index: 60;
	width: 44px; height: 44px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	border: 1px solid var(--border);
	border-radius: 50%;
	background: var(--bg);
	color: var(--muted);
	box-shadow: var(--shadow);
	cursor: pointer;
}
.back-to-top:hover { color: var(--accent); border-color: var(--accent); }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
	.layout {
		grid-template-columns: minmax(0, 1fr);
		gap: 0;
	}
	.sidebar-col {
		border-top: 1px solid var(--border);
		padding-top: 24px;
		margin-top: 32px;
	}
	.sidebar-sticky { position: static; }
}

@media (max-width: 768px) {
	.nav-toggle { display: inline-flex; }
	.site-nav {
		position: absolute;
		top: 60px;
		left: 0;
		right: 0;
		background: var(--bg);
		border-bottom: 1px solid var(--border);
		padding: 8px 20px 16px;
		display: none;
	}
	.site-nav[hidden] { display: none; }
	.site-nav:not([hidden]) { display: block; }

	.nav-list { flex-direction: column; gap: 2px; }
	.nav-list a { padding: 10px 12px; font-size: 1rem; }

	.header-actions { margin-left: auto; }

	.entry-title { font-size: 1.45rem; }
	.home-title { font-size: 1.6rem; }

	.related-grid { grid-template-columns: 1fr; }
	.post-nav { grid-template-columns: 1fr; }
	.post-nav-next { text-align: left; }

	.back-to-top { right: 16px; bottom: 20px; }
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
	*,
	*::before,
	*::after {
		animation-duration: 0.01ms !important;
		transition-duration: 0.01ms !important;
		scroll-behavior: auto !important;
	}
}