/*
Theme Name: 日记本
Theme URI: https://wordpress.org/
Author: 自定义
Author URI: https://wordpress.org/
Description: 轻量、漂亮、移动端优先的中文日记主题。纸张质感界面、日历日期牌、朱砂红点缀，适合记录生活。支持在后台「外观 → 自定义 → 页脚与备案信息」中设置 ICP 备案号，并自动显示在前台页脚。
Version: 1.0.0
Requires at least: 5.5
Requires PHP: 7.2
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: riji
Tags: blog, diary, one-column, custom-menu, featured-images, threaded-comments, translation-ready, responsive
*/

/* ==========================================================================
   日记本主题 —— 移动端优先，轻量无依赖
   ========================================================================== */

:root {
	--paper:       #f4eee2;
	--card:        #fffdf7;
	--card-warm:   #fbf6ea;
	--ink:         #3b342a;
	--ink-body:    #574e40;
	--ink-soft:    #8b8070;
	--accent:      #c0564b;   /* 朱砂红 */
	--accent-dark: #a6443a;
	--gold:        #c9a24b;
	--line:        #e7ddc9;
	--radius:      18px;
	--shadow:      0 4px 18px rgba(90, 70, 40, .06);
	--shadow-hover:0 10px 28px rgba(90, 70, 40, .10);
	--serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", Georgia, serif;
	--sans:  -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

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

body {
	margin: 0;
	font-family: var(--sans);
	font-size: 16px;
	line-height: 1.75;
	color: var(--ink-body);
	background:
		radial-gradient(circle at 12% -8%, rgba(192, 86, 75, .07), transparent 42%),
		radial-gradient(circle at 108% 6%, rgba(201, 162, 75, .09), transparent 46%),
		var(--paper);
	min-height: 100vh;
	word-wrap: break-word;
}

img { max-width: 100%; height: auto; border-radius: 10px; }

a { color: var(--accent-dark); text-decoration: none; transition: color .15s ease; }
a:hover { color: var(--accent); }

h1, h2, h3, h4 { font-family: var(--serif); color: var(--ink); font-weight: 700; }

.wp-caption, .wp-caption-text { color: var(--ink-soft); font-size: 13px; text-align: center; }
.aligncenter { margin: 1.2em auto; }
.alignright { float: right; margin: .4em 0 1em 1.4em; }
.alignleft { float: left; margin: .4em 1.4em 1em 0; }

/* --------------------------------------------------------------------------
   页头
   -------------------------------------------------------------------------- */

.site-header {
	padding: 38px 18px 6px;
	text-align: center;
}

.header-inner { max-width: 760px; margin: 0 auto; }

.site-branding {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 6px;
}

.site-branding .custom-logo {
	border-radius: 50%;
	border: 2px solid #fff;
	box-shadow: var(--shadow);
	margin-bottom: 4px;
}

.site-title {
	margin: 0;
	font-family: var(--serif);
	font-size: 30px;
	font-weight: 700;
	letter-spacing: 3px;
	line-height: 1.3;
}

.site-title a { color: var(--ink); }
.site-title a:hover { color: var(--accent); }

.site-description {
	margin: 0;
	color: var(--ink-soft);
	font-size: 14px;
	letter-spacing: 1.5px;
}

.header-ornament {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 10px;
	margin: 14px auto 0;
	color: var(--gold);
	font-size: 12px;
}

.header-ornament::before,
.header-ornament::after {
	content: "";
	width: 46px;
	height: 1px;
	background: linear-gradient(90deg, transparent, var(--line));
}

.header-ornament::after {
	background: linear-gradient(90deg, var(--line), transparent);
}

/* 导航 */
.site-nav { margin-top: 14px; }

.nav-menu,
.nav-menu ul {
	list-style: none;
	margin: 0;
	padding: 0;
}

.nav-menu {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 4px;
}

.nav-menu a {
	display: inline-block;
	padding: 7px 16px;
	border-radius: 999px;
	color: var(--ink-soft);
	font-size: 15px;
	letter-spacing: 1px;
}

.nav-menu a:hover,
.nav-menu .current-menu-item > a,
.nav-menu .current_page_item > a {
	background: var(--card);
	color: var(--accent-dark);
	box-shadow: var(--shadow);
}

/* --------------------------------------------------------------------------
   主体容器
   -------------------------------------------------------------------------- */

.content-area {
	max-width: 760px;
	margin: 0 auto;
	padding: 22px 16px 50px;
}

/* 首页欢迎卡 */
.diary-hero {
	background: var(--card);
	border: 1px solid var(--line);
	border-radius: var(--radius);
	padding: 28px 24px;
	text-align: center;
	margin-bottom: 24px;
	box-shadow: var(--shadow);
}

.diary-hero h2 {
	margin: 0 0 8px;
	font-size: 21px;
	letter-spacing: 1px;
}

.diary-hero p {
	margin: 0;
	color: var(--ink-soft);
	font-size: 14px;
	line-height: 1.9;
}

.diary-hero .hero-stamp {
	display: inline-block;
	margin-top: 12px;
	font-family: var(--serif);
	font-size: 13px;
	color: var(--accent);
	border: 1px solid rgba(192, 86, 75, .35);
	border-radius: 6px;
	padding: 2px 10px;
	letter-spacing: 2px;
	transform: rotate(-2deg);
}

/* 归档 / 搜索标题 */
.archive-header {
	text-align: center;
	margin-bottom: 22px;
	padding: 6px 0;
}

.archive-title {
	margin: 0;
	font-family: var(--serif);
	font-size: 22px;
	letter-spacing: 1px;
	color: var(--ink);
}

.archive-desc {
	margin: 8px 0 0;
	color: var(--ink-soft);
	font-size: 14px;
}

/* --------------------------------------------------------------------------
   日记列表卡片
   -------------------------------------------------------------------------- */

.diary-list {
	display: flex;
	flex-direction: column;
	gap: 16px;
}

.diary-card {
	display: flex;
	gap: 15px;
	background: var(--card);
	border: 1px solid var(--line);
	border-radius: var(--radius);
	padding: 18px 18px 16px;
	box-shadow: var(--shadow);
	transition: transform .15s ease, box-shadow .15s ease;
}

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

/* 日期牌 */
.diary-date {
	flex: 0 0 auto;
	width: 60px;
	min-height: 76px;
	border: 1px solid var(--line);
	border-radius: 14px;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 1px;
	background: linear-gradient(180deg, #fff, var(--card-warm));
	align-self: flex-start;
}

.diary-date .date-month { font-size: 12px; color: var(--accent); font-weight: 600; }
.diary-date .date-day   { font-family: var(--serif); font-size: 26px; font-weight: 700; line-height: 1.15; color: var(--ink); }
.diary-date .date-week  { font-size: 11px; color: var(--ink-soft); }

.diary-body { min-width: 0; flex: 1; }

.diary-title {
	margin: 0 0 6px;
	font-family: var(--serif);
	font-size: 19px;
	font-weight: 700;
	line-height: 1.55;
}

.diary-title a { color: var(--ink); }
.diary-title a:hover { color: var(--accent); }

.diary-excerpt {
	margin: 0;
	font-size: 15px;
	line-height: 1.85;
	color: var(--ink-body);
}

.diary-excerpt .more-link {
	white-space: nowrap;
	font-weight: 600;
	margin-left: 4px;
}

.diary-meta {
	margin-top: 10px;
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	align-items: center;
	font-size: 12.5px;
	color: var(--ink-soft);
}

.meta-pill {
	display: inline-block;
	padding: 1px 10px;
	border-radius: 999px;
	background: var(--card-warm);
	border: 1px solid var(--line);
	color: var(--ink-soft);
	font-size: 12.5px;
	line-height: 1.7;
}

a.meta-pill:hover { color: var(--accent-dark); border-color: rgba(192, 86, 75, .4); }

/* --------------------------------------------------------------------------
   单篇日记 / 页面
   -------------------------------------------------------------------------- */

.diary-single,
.page-single,
.error-404 {
	background: var(--card);
	border: 1px solid var(--line);
	border-radius: var(--radius);
	padding: 30px 22px;
	box-shadow: var(--shadow);
}

.single-header { text-align: center; margin-bottom: 22px; }

.single-date {
	color: var(--accent);
	font-size: 13px;
	letter-spacing: 1.5px;
}

.single-title {
	margin: 8px 0 10px;
	font-size: 26px;
	line-height: 1.5;
	letter-spacing: 1px;
}

.single-meta {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 8px;
}

.single-content {
	font-family: var(--serif);
	font-size: 16.5px;
	line-height: 2;
	color: #463e33;
}

.single-content p { margin: 0 0 1.15em; }

.single-content h2 { font-size: 22px; margin: 1.4em 0 .7em; }
.single-content h3 { font-size: 19px; margin: 1.3em 0 .6em; }

.single-content blockquote {
	margin: 1.2em 0;
	padding: 10px 18px;
	border-left: 3px solid var(--accent);
	background: var(--card-warm);
	border-radius: 0 12px 12px 0;
	color: #5c5346;
}

.single-content blockquote p:last-child { margin-bottom: 0; }

.single-content ul, .single-content ol { padding-left: 1.6em; margin: 0 0 1.15em; }
.single-content li { margin: .35em 0; }

.single-content pre {
	overflow: auto;
	padding: 14px 16px;
	background: #2f2a23;
	color: #f4ecd8;
	border-radius: 12px;
	font-size: 14px;
	line-height: 1.7;
}

.single-content code {
	font-family: Consolas, "Courier New", monospace;
	font-size: .92em;
	background: var(--card-warm);
	padding: 1px 6px;
	border-radius: 5px;
}

.single-content pre code { background: none; padding: 0; }

.single-content hr {
	border: none;
	height: 1px;
	background: var(--line);
	margin: 2em auto;
	width: 60%;
}

.single-content table { width: 100%; border-collapse: collapse; font-size: 15px; }
.single-content th, .single-content td { border: 1px solid var(--line); padding: 8px 10px; }

.single-footer { margin-top: 24px; }

.tag-links { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.tag-links .meta-pill { font-family: var(--sans); }

/* 上一篇 / 下一篇 */
.post-nav {
	display: flex;
	justify-content: space-between;
	gap: 12px;
	margin-top: 26px;
	padding-top: 18px;
	border-top: 1px dashed var(--line);
	font-size: 14px;
}

.post-nav .nav-next { text-align: right; }

/* --------------------------------------------------------------------------
   分页
   -------------------------------------------------------------------------- */

.pagination {
	margin-top: 30px;
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 6px;
}

.page-numbers {
	display: inline-flex;
	min-width: 38px;
	height: 38px;
	align-items: center;
	justify-content: center;
	padding: 0 13px;
	border-radius: 999px;
	background: var(--card);
	border: 1px solid var(--line);
	color: var(--ink-soft);
	font-size: 14px;
}

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

a.page-numbers:hover { color: var(--accent-dark); border-color: rgba(192, 86, 75, .45); }

/* 无内容 */
.diary-empty,
.page-content.nothing {
	text-align: center;
	color: var(--ink-soft);
	padding: 40px 20px;
	background: var(--card);
	border: 1px dashed var(--line);
	border-radius: var(--radius);
}

/* --------------------------------------------------------------------------
   留言
   -------------------------------------------------------------------------- */

.comments-area {
	margin-top: 28px;
	padding-top: 22px;
	border-top: 1px dashed var(--line);
}

.comments-title,
.comment-respond-title {
	font-family: var(--serif);
	font-size: 18px;
	margin: 0 0 16px;
	color: var(--ink);
}

.comment-list { list-style: none; margin: 0 0 24px; padding: 0; }
.comment-list .children { list-style: none; margin: 16px 0 0 20px; padding: 0; }

.comment-body {
	background: var(--card-warm);
	border: 1px solid var(--line);
	border-radius: 14px;
	padding: 14px 16px;
	margin-bottom: 14px;
	font-size: 15px;
}

.comment-author { font-weight: 600; color: var(--ink); }
.comment-author .avatar { border-radius: 50%; margin-right: 8px; vertical-align: middle; }
.comment-metadata { font-size: 12.5px; color: var(--ink-soft); margin: 2px 0 8px; }
.comment-reply-link { font-size: 13px; }

.comment-form label { display: block; font-size: 14px; color: var(--ink-soft); margin-bottom: 4px; }
.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
	width: 100%;
	padding: 10px 13px;
	border: 1px solid var(--line);
	border-radius: 10px;
	background: #fffdf8;
	font-family: inherit;
	font-size: 15px;
	color: var(--ink);
	margin-bottom: 12px;
}

.comment-form input:focus,
.comment-form textarea:focus {
	outline: none;
	border-color: var(--accent);
	box-shadow: 0 0 0 3px rgba(192, 86, 75, .12);
}

.comment-form .form-submit { margin: 4px 0 0; }

.comment-form input[type="submit"],
.submit {
	background: var(--accent);
	color: #fff;
	border: none;
	border-radius: 999px;
	padding: 10px 30px;
	font-size: 15px;
	letter-spacing: 2px;
	cursor: pointer;
	transition: background .15s ease;
}

.comment-form input[type="submit"]:hover,
.submit:hover { background: var(--accent-dark); }

.comment-notes, .logged-in-as { font-size: 13px; color: var(--ink-soft); }

/* --------------------------------------------------------------------------
   404
   -------------------------------------------------------------------------- */

.error-404 { text-align: center; padding: 56px 22px; }
.error-404 .error-code { font-family: var(--serif); font-size: 68px; color: var(--accent); margin: 0; line-height: 1.2; }
.error-404 p { color: var(--ink-soft); margin: 8px 0 20px; }
.back-home {
	display: inline-block;
	background: var(--accent);
	color: #fff !important;
	border-radius: 999px;
	padding: 9px 28px;
	font-size: 15px;
}
.back-home:hover { background: var(--accent-dark); }

/* --------------------------------------------------------------------------
   页脚
   -------------------------------------------------------------------------- */

.site-footer {
	border-top: 1px solid var(--line);
	padding: 26px 18px 36px;
	text-align: center;
	color: var(--ink-soft);
	font-size: 13px;
	background: rgba(255, 253, 247, .65);
}

.footer-inner {
	max-width: 760px;
	margin: 0 auto;
	display: flex;
	flex-direction: column;
	gap: 6px;
	align-items: center;
}

.site-footer p { margin: 0; }
.site-footer a { color: var(--ink-soft); }
.site-footer a:hover { color: var(--accent); }

.footer-icp a {
	display: inline-flex;
	align-items: center;
	gap: 5px;
}

.footer-icp .icp-icon { color: var(--accent); font-weight: 700; }

/* --------------------------------------------------------------------------
   桌面端增强
   -------------------------------------------------------------------------- */

@media (min-width: 768px) {
	.site-header { padding-top: 48px; }
	.site-title { font-size: 34px; }
	.content-area { padding-top: 28px; }
	.diary-card { padding: 22px 24px; gap: 20px; }
	.diary-date { width: 66px; min-height: 82px; }
	.diary-date .date-day { font-size: 30px; }
	.diary-title { font-size: 20px; }
	.diary-single,
	.page-single,
	.error-404 { padding: 40px 44px; }
	.single-title { font-size: 30px; }
	.single-content { font-size: 17px; }
	.diary-hero { padding: 34px 30px; }
	.diary-hero h2 { font-size: 23px; }
}