@import url("https://fontsapi.zeoseven.com/92/main/result.css");

/**
 * ENOTE English Theme Styles
 * 英语学习记录主题 — 类默认 Typecho Tab 导航
 * 遵循 WCAG 2.1 AA 可访问规范
 */

:root {
    --color-bg: #fbfaf9;
    --color-surface: #ffffff;
    --color-surface-soft: #f5f4f1;
    --color-border: #e5e3df;
    --color-border-light: #f0eeea;
    --color-text: #1f1f1f;
    --color-text-secondary: #555;
    --color-text-muted: #6e6e6e;
    --color-primary: #1e4d8b;
    --color-primary-dark: #153766;
    --color-primary-soft: #e8eff8;
    --color-accent: #4a7a62;
    --color-accent-soft: #e8f0ec;
    --color-quote-border: #c4a35a;
    --color-quote-bg: #faf7f0;
    --color-focus: #3a7bc8;
    --color-focus-ring: rgba(58, 123, 200, 0.35);
    --color-error: #b42318;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    --font-serif: Georgia, "Times New Roman", "Liberation Serif", "Songti SC", "Noto Serif SC", serif;
    --font-mono: "SF Mono", "Fira Code", "Fira Mono", Consolas, "Liberation Mono", Monaco, "Noto Sans Mono", monospace;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --space-xs: 0.375rem;
    --space-sm: 0.75rem;
    --space-md: 1.25rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 5rem;
    --container-max: 1100px;
    --content-width: 680px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #161616;
        --color-surface: #1e1e1e;
        --color-surface-soft: #262626;
        --color-border: #303030;
        --color-text: #f0f0f0;
        --color-text-secondary: #a0a0a0;
        --color-text-muted: #737373;
        --color-primary: #7aa9e8;
        --color-primary-dark: #a8c9f2;
        --color-primary-soft: #1e2f45;
        --color-accent: #7bb89c;
        --color-accent-soft: #1e2e26;
        --color-quote-border: #bfa05c;
        --color-quote-bg: #23221e;
        --color-focus: #6fa1e6;
        --color-focus-ring: rgba(111, 161, 230, 0.35);
        --color-error: #f87171;
    }
}

*, *::before, *::after { box-sizing: border-box; }
html { font-size: 17px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}
body { margin: 0; font-family: var(--font-sans); font-size: 1rem; line-height: 1.75; color: var(--color-text); background: var(--color-bg); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; word-wrap: break-word; overflow-wrap: break-word; }
img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: var(--color-primary); text-decoration: none; transition: color 0.12s ease; }
a:hover { color: var(--color-primary-dark); text-decoration: underline; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; box-shadow: none; border-radius: var(--radius-sm); }
input:focus-visible, textarea:focus-visible, select:focus-visible { outline: none; border-color: var(--color-focus); box-shadow: 0 0 0 3px var(--color-focus-ring); border-radius: var(--radius-sm); }
.skip-link:focus { outline: 2px solid #fff; outline-offset: 2px; box-shadow: none; }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; top: -100%; left: var(--space-md); z-index: 10000; padding: var(--space-sm) var(--space-md); background: var(--color-primary); color: #fff; border-radius: var(--radius-sm); font-weight: 600; }
.skip-link:focus { top: var(--space-md); }
.clearfix::after { content: ""; display: table; clear: both; }

.container { width: 100%; max-width: var(--container-max); margin-left: auto; margin-right: auto; padding-left: var(--space-md); padding-right: var(--space-md); }
.site-body { padding-top: var(--space-xl); padding-bottom: var(--space-2xl); min-height: calc(100vh - 200px); }
.site-body-inner { display: grid; gap: var(--space-xl); }
.site-body-inner.has-sidebar { grid-template-columns: 1fr; }
.site-main { min-width: 0; }

/* 头部 — 默认 Typecho 风格 */
.site-header { padding-top: var(--space-xl); border-bottom: 1px solid var(--color-border); background: var(--color-bg); }
.site-header-top { display: grid; grid-template-columns: 1fr; gap: var(--space-md); }
.site-name { min-width: 0; }
#logo { display: inline-block; color: #1a202c; font-size: 2rem; font-weight: 700; line-height: 1.4; font-family: 'Smiley Sans Oblique', sans-serif; letter-spacing: 2px; }
#logo img { max-height: 48px; width: auto; }
#logo:hover { color: var(--color-primary); text-decoration: none; }
.description { margin: 0.4em 0 0; color: var(--color-text-muted); font-style: italic; font-size: 0.9375rem; }

.site-search { justify-self: end; margin-top: 0.4rem; position: relative; }
.site-search input { width: 280px; max-width: 100%; padding: 0.5rem 2.2rem 0.5rem 0.75rem; border: 1px solid var(--color-border); border-radius: var(--radius-sm); background: var(--color-bg); font-size: 0.875rem; }
.site-search input:focus { border-color: var(--color-focus); }
.site-search .submit { position: absolute; right: 0.5rem; top: 50%; transform: translateY(-50%); display: flex; align-items: center; justify-content: center; width: 28px; height: 28px; padding: 0; background: transparent; border: none; color: var(--color-text-muted); }
.site-search .submit:hover { color: var(--color-primary); }

.site-header-bottom { position: relative; margin-top: var(--space-lg); }
.menu-toggle { display: flex; flex-direction: column; justify-content: center; gap: 5px; width: 44px; height: 44px; padding: 0; background: var(--color-surface-soft); border: 1px solid var(--color-border); border-radius: var(--radius-sm); margin-bottom: var(--space-sm); }
.menu-bar { display: block; width: 20px; height: 2px; background: var(--color-text); margin: 0 auto; border-radius: 1px; transition: transform 0.2s, opacity 0.2s; }
.menu-toggle[aria-expanded="true"] .menu-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-bar:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] .menu-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

#nav-menu { display: none; flex-wrap: wrap; margin: 0; padding: 0; }
#nav-menu.is-open { display: flex; }
#nav-menu a { display: block; padding: 0.55rem 1.1rem; margin-right: -1px; margin-bottom: -1px; border: 1px solid var(--color-border); border-bottom: none; color: var(--color-text-secondary); font-size: 0.9375rem; font-weight: 500; transition: background 0.12s, color 0.12s; }
#nav-menu a:hover { color: var(--color-text); background: var(--color-surface-soft); text-decoration: none; }
#nav-menu a.current { color: var(--color-text); background: var(--color-surface-soft); font-weight: 600; }

@media (min-width: 768px) {
    .menu-toggle { display: none; }
    #nav-menu { display: flex !important; }
    .site-header-top { grid-template-columns: 1fr auto; align-items: end; }
    .site-search { margin-top: 0; }
}
@media (min-width: 1024px) {
    .site-body-inner.has-sidebar { grid-template-columns: minmax(0, 1fr) 280px; gap: var(--space-2xl); }
}

/* 文章列表 — 线性分隔 */
.post-list { border-top: none; }
.post-item { padding: var(--space-xl) 0; border-bottom: 1px solid var(--color-border-light); }
.post-item:first-child { padding-top: 0; }
.post-item:last-child { border-bottom-color: var(--color-border); }
.post-meta-header { margin-bottom: var(--space-sm); }
.post-title { font-size: 1.4rem; font-weight: 600; line-height: 1.35; margin: 0 0 var(--space-xs); letter-spacing: -0.02em; }
.post-title a { color: var(--color-text); }
.post-title a:hover { color: var(--color-primary); text-decoration: none; }
.post-meta { display: flex; flex-wrap: wrap; gap: var(--space-sm) var(--space-md); font-size: 0.8125rem; color: var(--color-text-muted); }
.post-meta a { color: var(--color-text-secondary); }
.post-meta a:hover { color: var(--color-primary); }
.post-excerpt { color: var(--color-text-secondary); line-height: 1.8; margin: var(--space-md) 0 0; }
.post-excerpt p { margin: 0; }
.post-item-footer { margin-top: var(--space-md); }
.read-more { font-size: 0.875rem; font-weight: 500; color: var(--color-primary); }
.read-more:hover { color: var(--color-primary-dark); text-decoration: underline; }

.archive-header { margin-bottom: var(--space-xl); }
.archive-title { font-size: 1.5rem; font-weight: 600; margin: 0; color: var(--color-text); }
.archive-description { margin-top: var(--space-sm); color: var(--color-text-secondary); }

/* 文章详情页 — 极简阅读 */
.post-single { max-width: var(--content-width); margin: 0 auto; }
.post-single .post-meta-header { margin-bottom: var(--space-lg); padding-bottom: var(--space-md); border-bottom: 1px solid var(--color-border-light); }
.post-single .post-title { font-size: 1.8rem; margin-bottom: var(--space-sm); }
.post-content { font-size: 1.0625rem; line-height: 1.85; color: var(--color-text); }

/* 中英混排优化：英文默认左对齐，避免无断字时产生河流空白 */
.post-content p { margin: 0 0 1.5em; text-align: left; }
.post-content p:lang(en) {
    font-family: var(--font-serif);
    letter-spacing: 0.01em;
    word-spacing: 0.04em;
    hyphens: auto;
    -webkit-hyphens: auto;
    overflow-wrap: break-word;
}
.post-content em, .post-content blockquote { font-family: var(--font-serif); letter-spacing: 0.01em; word-spacing: 0.04em; }
.post-content h2, .post-content h3, .post-content h4, .post-content h5, .post-content h6 { font-family: var(--font-sans); color: var(--color-text); margin-top: 2.2em; margin-bottom: 0.8em; line-height: 1.3; font-weight: 600; }
.post-content h2 { font-size: 1.4rem; }
.post-content h3 { font-size: 1.2rem; }
.post-content h4 { font-size: 1.05rem; }
.post-content h2 a, .post-content h3 a, .post-content h4 a { color: var(--color-text); }
.post-content ul, .post-content ol { margin: 0 0 1.5em; padding-left: 1.6em; }
.post-content li { margin-bottom: 0.5em; }
.post-content li > ul, .post-content li > ol { margin-top: 0.5em; }
.post-content strong { color: var(--color-text); font-weight: 600; }
.post-content em { font-style: italic; }
.post-content code { font-family: var(--font-mono); font-size: 0.88em; background: var(--color-surface-soft); padding: 0.15em 0.35em; border-radius: var(--radius-sm); color: var(--color-text); }
.post-content pre { font-family: var(--font-mono); font-size: 0.95em; background: var(--color-surface-soft); padding: var(--space-md); border-radius: var(--radius-sm); overflow-x: auto; margin: 0 0 1.5em; line-height: 1.6; }
.post-content pre code { background: transparent; padding: 0; }
.post-content mark {
    position: relative;
    color: #111;
    background: none;
    background-color: transparent;
    padding: 0 0.08em;
    z-index: 0;
}
.post-content mark::before {
    content: '';
    position: absolute;
    top: 0;
    right: -0.1em;
    bottom: 0;
    left: -0.1em;
    background-color: #facc15;
    transform: skewX(-8deg);
    z-index: -1;
}
.post-content a { text-decoration: underline; text-underline-offset: 0.2em; text-decoration-thickness: 1px; }
.post-content a:hover { text-decoration: none; }
.post-content img { border-radius: var(--radius-sm); margin: 1.5em 0; }
.post-content figure { margin: 1.5em 0; }
.post-content figcaption { font-size: 0.875rem; color: var(--color-text-muted); text-align: center; margin-top: 0.5em; }
.post-content hr { border: 0; border-top: 1px solid var(--color-border); margin: 2.5em 0; }
.post-content table { width: 100%; border-collapse: collapse; margin: 0 0 1.5em; font-size: 0.95em; }
.post-content th, .post-content td { padding: 0.625em; border-bottom: 1px solid var(--color-border); text-align: left; }
.post-content th { font-weight: 600; border-bottom-width: 2px; }

/* 引用块 — 优雅英文展示 */
.post-content blockquote { position: relative; margin: 1.8em 0; padding: 0.2em 0 0.2em 1.4em; border-left: 3px solid var(--color-quote-border); font-family: var(--font-serif); color: var(--color-text-secondary); line-height: 1.8; }
.post-content blockquote::before { content: "“"; position: absolute; top: -0.1em; left: 0.15em; font-size: 2.5em; color: var(--color-quote-border); opacity: 0.25; font-family: var(--font-serif); line-height: 1; }
.post-content blockquote p { margin: 0 0 0.8em; }
.post-content blockquote p:last-child { margin-bottom: 0; }
.post-content blockquote cite { display: block; margin-top: 0.8em; font-size: 0.9em; font-style: normal; color: var(--color-text-muted); font-family: var(--font-sans); }
.post-content blockquote cite::before { content: "— "; }
.post-content blockquote em, .post-content blockquote i { font-style: normal; }
.post-content blockquote strong { font-weight: 600; }

.post-tags { margin-top: var(--space-xl); padding-top: var(--space-md); border-top: 1px solid var(--color-border-light); }
.post-tags-label { font-weight: 600; color: var(--color-text-secondary); margin-right: var(--space-sm); }
.post-tags a { display: inline-block; padding: 0.2em 0.6em; margin: 0.25em 0.25em 0.25em 0; background: var(--color-surface-soft); border-radius: var(--radius-sm); font-size: 0.8125rem; color: var(--color-text-secondary); }
.post-tags a:hover { background: var(--color-primary-soft); color: var(--color-primary); text-decoration: none; }

.post-near { display: grid; gap: var(--space-md); margin-top: var(--space-xl); padding-top: var(--space-md); border-top: 1px solid var(--color-border); }
.post-near-label { display: block; font-size: 0.75rem; font-weight: 600; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 0.25em; }
.post-near a { font-weight: 500; color: var(--color-text); }
.post-near a:hover { color: var(--color-primary); }

@media (min-width: 768px) {
    .post-near { grid-template-columns: 1fr 1fr; }
    .post-near-next { text-align: right; }
    .post-title { font-size: 1.5rem; }
    .post-single .post-title { font-size: 2rem; }
}

/* 分页 */
.pagination { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: var(--space-sm); margin-top: var(--space-xl); }
.pagination a, .pagination span { display: inline-flex; align-items: center; justify-content: center; min-width: 40px; min-height: 40px; padding: 0 0.6em; color: var(--color-text-secondary); border-bottom: 2px solid transparent; }
.pagination a:hover { color: var(--color-primary); border-bottom-color: var(--color-border); text-decoration: none; }
.pagination .page-current { color: var(--color-primary); border-bottom-color: var(--color-primary); font-weight: 600; }
.pagination .page-text { color: var(--color-text-muted); }

.site-sidebar { display: flex; flex-direction: column; gap: var(--space-xl); padding-top: var(--space-xs); }
.widget { padding-top: 0; }
.widget-title { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.15em; margin: 0 0 var(--space-md); color: var(--color-text-muted); font-family: 'Smiley Sans Oblique', sans-serif; }
.widget-list { list-style: none; margin: 0; padding: 0; }
.widget-list li { display: flex; justify-content: space-between; align-items: baseline; gap: var(--space-sm); padding: var(--space-xs) 0; border-bottom: 1px solid var(--color-border-light); }
.widget-list li:last-child { border-bottom: none; }
.widget-list a {
    flex: 1 1 auto;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--color-text);
    font-size: 0.9375rem;
}
.widget-list a:hover { color: var(--color-primary); }
.widget-list time { font-size: 0.75rem; color: var(--color-text-muted); font-variant-numeric: tabular-nums; white-space: nowrap; }
.widget-list .children { width: 100%; margin-top: var(--space-xs); padding-left: var(--space-md); }
.widget-list .children li { border-bottom: none; padding: var(--space-xs) 0; }
.widget-list .children li:first-child { padding-top: 0; }
.widget-comments li { display: block; }
.widget-comments strong { color: var(--color-primary); font-weight: 600; }
.widget-tags { display: flex; flex-wrap: wrap; gap: var(--space-xs); }
.tag-link { display: inline-block; padding: 0.25em 0.6em; border-radius: var(--radius-sm); background: var(--color-surface-soft); font-size: 0.8125rem; color: var(--color-text-secondary); }
.tag-link:hover { background: var(--color-accent-soft); color: var(--color-accent); text-decoration: none; }
.tag-link.size-10 { font-size: 0.75rem; }
.tag-link.size-20 { font-size: 0.875rem; }
.tag-link.size-30 { font-size: 0.9375rem; background: var(--color-primary-soft); color: var(--color-primary); }

/* 评论区 */
.comments-area { margin-top: var(--space-xl); padding-top: var(--space-md); border-top: 1px solid var(--color-border); }
.comments-title { font-size: 1.125rem; font-weight: 600; margin-bottom: var(--space-lg); }
.comment-list { list-style: none; margin: 0; padding: 0; }
.comment-list .comment-list { margin-top: var(--space-md); margin-left: var(--space-lg); padding-left: var(--space-md); border-left: 2px solid var(--color-border-light); }
.comment-body { padding: var(--space-md) 0; margin-bottom: var(--space-md); border-bottom: 1px solid var(--color-border-light); }
.comment-author { font-weight: 600; color: var(--color-text); }
.comment-author .avatar { border-radius: 50%; margin-right: var(--space-sm); }
.comment-meta { font-size: 0.8125rem; color: var(--color-text-muted); margin: 0.2em 0; }
.comment-content { line-height: 1.7; color: var(--color-text-secondary); }
.comment-content p { margin: 0 0 0.8em; }
.comment-reply { margin-top: var(--space-sm); }
.comment-reply a { font-size: 0.8125rem; font-weight: 500; }
.comment-by-author .comment-author { color: var(--color-primary); }
.comments-pagination { margin-top: var(--space-lg); }

.respond { margin-top: var(--space-xl); }
.respond h3 { margin-top: 0; font-size: 1.125rem; font-weight: 600; }
.form-row { margin-bottom: var(--space-md); }
.form-row label { display: block; margin-bottom: var(--space-xs); font-size: 0.875rem; font-weight: 500; color: var(--color-text-secondary); }
.form-row label.required::after { content: " *"; color: var(--color-error); }
.form-row input, .form-row textarea { width: 100%; padding: 0.625rem; border: 1px solid var(--color-border); border-radius: var(--radius-sm); background: var(--color-surface); }
.form-row input:focus, .form-row textarea:focus { border-color: var(--color-focus); }
.form-row textarea { resize: vertical; min-height: 120px; }
.form-submit { margin-bottom: 0; text-align: right; }
.submit { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0.625rem 1.25rem; border: none; border-radius: var(--radius-sm); background: var(--color-text); color: #fff; font-weight: 500; }
.submit:hover { background: var(--color-primary); }
.comment-login-info { font-size: 0.875rem; color: var(--color-text-secondary); }
.cancel-comment-reply { margin-bottom: var(--space-md); }
.cancel-comment-reply a { font-size: 0.8125rem; }

/* 404 页 */
.error-page { text-align: center; padding: var(--space-2xl) var(--space-md); }
.error-title { font-size: 4rem; font-weight: 700; color: var(--color-border); margin: 0; }
.error-message { font-size: 1.25rem; font-weight: 500; color: var(--color-text); margin: var(--space-md) 0; }
.error-description { color: var(--color-text-secondary); margin-bottom: var(--space-lg); }
.error-search { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-sm); max-width: 420px; margin: 0 auto var(--space-lg); }
.error-search input { flex: 1 1 200px; padding: 0.625rem; border: 1px solid var(--color-border); border-radius: var(--radius-sm); }
.error-search .submit { padding: 0.625rem 1rem; }
.error-back { margin-top: var(--space-lg); }

/* 页脚 */
.site-footer { padding: var(--space-xl) var(--space-md); border-top: 1px solid var(--color-border); color: var(--color-text-muted); font-size: 0.8125rem; }
.footer-custom { margin-bottom: var(--space-md); color: var(--color-text-secondary); }
.footer-custom > *:last-child { margin-bottom: 0; }

.footer-info { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-xs) var(--space-sm); margin-bottom: var(--space-md); }
.footer-info a { color: var(--color-text-muted); }
.footer-info a:hover { color: var(--color-primary); text-decoration: underline; }
.footer-info-separator { color: var(--color-border); user-select: none; }

.footer-bottom { display: flex; flex-wrap: wrap; gap: var(--space-sm) var(--space-md); justify-content: space-between; align-items: center; }
.footer-copyright p { margin: 0; }
.footer-copyright a { color: var(--color-text-muted); }
.footer-copyright a:hover { color: var(--color-primary); }

.footer-meta { display: flex; flex-wrap: wrap; gap: var(--space-xs) var(--space-md); }
.footer-icp { display: inline-flex; align-items: center; gap: 0.35em; color: var(--color-text-muted); }
.footer-icp:hover { color: var(--color-primary); }
.footer-placeholder, .footer-placeholder-link { color: var(--color-text-muted); font-style: italic; }
.footer-placeholder-link:hover { color: var(--color-primary); }

@media (max-width: 767px) {
    .footer-bottom { flex-direction: column; align-items: flex-start; }
    .footer-meta { flex-direction: column; gap: var(--space-xs); }
}

/* 响应式 */
@media (min-width: 768px) {
    .post-content { font-size: 1.125rem; }
}

@media print {
    .site-header, .site-sidebar, .site-footer, .comments-area, .post-near, .pagination { display: none; }
    .site-body { padding: 0; }
    .post-single { max-width: 100%; }
    .post-content a { text-decoration: underline; color: var(--color-text); }
}