/* ==========================================================================
   Blog theme
   ========================================================================== */

:root {
  --bg: #ffffff;
  --bg-soft: #f7f7f5;
  --bg-hover: #f1f1ef;
  --text: #2a2a28;
  --text-strong: #121212;
  --text-muted: #73726e;
  --text-faint: #a3a29e;
  --border: #ebebea;
  --border-strong: #dcdcd9;
  --accent: #e8573a;
  --accent-soft: #fdeee9;
  --link: #2b6cb0;
  --code-bg: #f6f6f4;
  --inline-code: #c7452b;
  --shadow: 0 1px 2px rgba(15, 15, 15, .04), 0 8px 24px rgba(15, 15, 15, .06);
  --radius: 10px;
  --header-h: 60px;
  --content-w: 720px;
  --font: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "D2Coding", monospace;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --bg: #191919;
  --bg-soft: #202020;
  --bg-hover: #2a2a2a;
  --text: #d9d9d6;
  --text-strong: #f3f3f1;
  --text-muted: #9b9a97;
  --text-faint: #6f6e6b;
  --border: #2f2f2f;
  --border-strong: #3a3a3a;
  --accent: #ff7a59;
  --accent-soft: #3a2620;
  --link: #79b8ff;
  --code-bg: #222222;
  --inline-code: #ff9b80;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .35);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 24px); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  word-break: keep-all;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
  transition: background-color .2s, color .2s;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }
button { font: inherit; color: inherit; }
kbd {
  font-family: var(--font);
  font-size: 11px;
  padding: 1px 6px;
  border: 1px solid var(--border-strong);
  border-radius: 5px;
  color: var(--text-muted);
  background: var(--bg);
}
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 16px; top: 12px; z-index: 100; background: var(--bg); padding: 8px 12px; border-radius: 8px; box-shadow: var(--shadow); }

.container { max-width: var(--content-w); margin: 0 auto; padding: 0 20px; }

/* ── Reading progress ───────────────────────────────────────────── */
.progress { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 60; pointer-events: none; }
.progress span { display: block; height: 100%; width: 0; background: var(--accent); transition: width .08s linear; }
body:not(.layout-post) .progress { display: none; }

/* ── Header ─────────────────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 50;
  height: var(--header-h);
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
}
.site-header.is-scrolled { border-bottom-color: var(--border); }
.site-header-inner {
  max-width: 1120px; height: 100%; margin: 0 auto; padding: 0 20px;
  display: flex; align-items: center; gap: 24px;
}
.site-logo { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 17px; color: var(--text-strong); letter-spacing: -.01em; }
.site-logo img { border-radius: 6px; }
.site-nav { display: flex; gap: 4px; }
.site-nav a { padding: 6px 10px; border-radius: 8px; color: var(--text-muted); font-size: 15px; font-weight: 500; }
.site-nav a:hover { background: var(--bg-hover); color: var(--text-strong); }
.site-nav a[aria-current="page"] { color: var(--text-strong); }
.site-actions { margin-left: auto; display: flex; align-items: center; gap: 6px; }
.search-trigger {
  display: flex; align-items: center; gap: 8px;
  height: 34px; padding: 0 8px 0 12px;
  border: 1px solid var(--border); border-radius: 9px;
  background: var(--bg-soft); color: var(--text-muted); cursor: pointer;
  font-size: 14px; min-width: 180px;
}
.search-trigger:hover { border-color: var(--border-strong); }
.search-trigger kbd { margin-left: auto; }
.icon-btn {
  width: 34px; height: 34px; display: grid; place-items: center;
  border: 0; border-radius: 9px; background: transparent; color: var(--text-muted); cursor: pointer;
}
.icon-btn:hover { background: var(--bg-hover); color: var(--text-strong); }
.i-moon { display: none; }
[data-theme="dark"] .i-sun { display: none; }
[data-theme="dark"] .i-moon { display: block; }

/* ── Footer ─────────────────────────────────────────────────────── */
.site-footer { border-top: 1px solid var(--border); margin-top: 96px; }
.site-footer-inner {
  max-width: 1120px; margin: 0 auto; padding: 28px 20px 40px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 14px; color: var(--text-faint);
}
.site-footer p { margin: 0; }
.site-footer-links { display: flex; gap: 16px; }
.site-footer-links a:hover { color: var(--text-strong); }

/* ── Home hero ──────────────────────────────────────────────────── */
.hero { max-width: var(--content-w); margin: 0 auto; padding: 56px 20px 36px; display: flex; align-items: center; gap: 28px; }
.hero-image { flex: none; display: block; width: 120px; height: 120px; object-fit: contain; }
.hero-body { min-width: 0; }
.hero-title { margin: 0 0 12px; font-size: 26px; line-height: 1.35; font-weight: 500; letter-spacing: -.02em; color: var(--text-muted); }
.hero-text { margin: 0 0 16px; font-size: 17px; color: var(--text-muted); }
.hero-links { display: flex; gap: 8px; margin: 0; flex-wrap: wrap; }
.hero-links a {
  font-size: 13px; font-weight: 500; padding: 4px 12px; border-radius: 999px;
  border: 1px solid var(--border); color: var(--text-muted);
}
.hero-links a:hover { color: var(--text-strong); border-color: var(--border-strong); background: var(--bg-soft); }

/* ── Category chips ─────────────────────────────────────────────── */
.chips {
  display: flex; gap: 6px; flex-wrap: wrap;
  padding: 0 0 20px; margin-bottom: 8px; border-bottom: 1px solid var(--border);
}
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px; border-radius: 999px; font-size: 14px; font-weight: 500;
  background: var(--bg-soft); color: var(--text-muted); border: 1px solid transparent;
  transition: background-color .15s, color .15s;
}
.chip span { font-size: 12px; color: var(--text-faint); font-variant-numeric: tabular-nums; }
.chip:hover { background: var(--bg-hover); color: var(--text-strong); }
.chip.is-active { background: var(--text-strong); color: var(--bg); }
.chip.is-active span { color: color-mix(in srgb, var(--bg) 70%, transparent); }
.chip-sub::before { content: "↳"; color: var(--text-faint); margin-right: -2px; }

/* ── Post list ──────────────────────────────────────────────────── */
.post-list { list-style: none; margin: 0; padding: 0; }
.post-row { border-bottom: 1px solid var(--border); }
.post-row:last-child { border-bottom: 0; }
.post-row > a {
  display: flex; gap: 28px; align-items: center;
  padding: 28px 0;
}
.post-row-body { flex: 1; min-width: 0; }
.post-row-meta { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-faint); margin-bottom: 6px; }
.post-row-cat { color: var(--accent); font-weight: 600; }
.post-row-cat::after { content: "·"; color: var(--text-faint); margin-left: 8px; font-weight: 400; }
.post-row-title {
  margin: 0 0 8px; font-size: 20px; line-height: 1.45; font-weight: 700; letter-spacing: -.02em; color: var(--text-strong);
  transition: color .15s;
}
.post-row > a:hover .post-row-title { color: var(--accent); }
.post-row-excerpt {
  margin: 0; font-size: 15px; line-height: 1.65; color: var(--text-muted);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.post-row-thumb {
  flex: none; width: 168px; aspect-ratio: 4 / 3; border-radius: var(--radius); overflow: hidden;
  background: var(--bg-soft); border: 1px solid var(--border);
}
.post-row-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.post-row > a:hover .post-row-thumb img { transform: scale(1.04); }

/* ── Archive header ─────────────────────────────────────────────── */
.archive-header { padding: 64px 0 28px; }
.archive-kicker { margin: 0 0 6px; font-size: 14px; font-weight: 600; color: var(--accent); }
.archive-title { margin: 0 0 6px; font-size: 34px; line-height: 1.25; font-weight: 800; letter-spacing: -.03em; color: var(--text-strong); }
.archive-count { margin: 0; color: var(--text-muted); font-size: 15px; }

.tag-cloud { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.tag-cloud a {
  display: inline-flex; gap: 6px; align-items: center;
  padding: 7px 14px; border-radius: 999px; background: var(--bg-soft); font-size: 15px; color: var(--text);
}
.tag-cloud a span { font-size: 12px; color: var(--text-faint); }
.tag-cloud a:hover { background: var(--accent-soft); color: var(--accent); }

.search-page-form input {
  width: 100%; height: 48px; padding: 0 16px; font: inherit; font-size: 16px;
  border: 1px solid var(--border-strong); border-radius: var(--radius); background: var(--bg); color: var(--text-strong);
  margin-bottom: 8px;
}

.empty-state { text-align: center; padding-top: 96px; }
.empty-code { font-size: 64px; font-weight: 800; color: var(--accent); margin: 0; letter-spacing: -.04em; }
.btn {
  display: inline-block; padding: 9px 18px; border-radius: 9px; border: 1px solid var(--text-strong);
  background: var(--text-strong); color: var(--bg); font-weight: 600; font-size: 15px; cursor: pointer;
}
.btn-ghost { background: transparent; color: var(--text-strong); border-color: var(--border-strong); }

/* ── Post layout ────────────────────────────────────────────────── */
.post-layout {
  max-width: 1120px; margin: 0 auto; padding: 0 20px;
  display: grid; grid-template-columns: minmax(0, var(--content-w)) 220px; gap: 64px; justify-content: center;
}
.post { min-width: 0; }
.post-header { padding: 64px 0 36px; border-bottom: 1px solid var(--border); margin-bottom: 40px; }
.post-breadcrumb { display: flex; gap: 6px; align-items: center; font-size: 14px; font-weight: 600; margin-bottom: 14px; }
.post-breadcrumb a { color: var(--accent); }
.post-breadcrumb a:hover { text-decoration: underline; text-underline-offset: 3px; }
.post-breadcrumb span { color: var(--text-faint); }
.post-title { margin: 0 0 18px; font-size: 38px; line-height: 1.3; font-weight: 800; letter-spacing: -.03em; color: var(--text-strong); }
.post-meta { display: flex; flex-wrap: wrap; gap: 6px; font-size: 14px; color: var(--text-muted); }
.post-meta .dot { color: var(--text-faint); }
.post-tags { list-style: none; padding: 0; margin: 18px 0 0; display: flex; flex-wrap: wrap; gap: 6px; }
.post-tags a { display: inline-block; font-size: 13px; padding: 3px 10px; border-radius: 6px; background: var(--bg-soft); color: var(--text-muted); }
.post-tags a:hover { background: var(--accent-soft); color: var(--accent); }

/* ── TOC ────────────────────────────────────────────────────────── */
.toc { position: sticky; top: calc(var(--header-h) + 40px); align-self: start; margin-top: 180px; max-height: calc(100vh - var(--header-h) - 80px); overflow: auto; }
.toc-title { margin: 0 0 10px; font-size: 12px; font-weight: 700; letter-spacing: .06em; color: var(--text-faint); }
.toc ol { list-style: none; margin: 0; padding: 0 0 0 12px; border-left: 1px solid var(--border); }
.toc li a {
  display: block; padding: 4px 0; font-size: 13px; line-height: 1.5; color: var(--text-faint);
  transition: color .15s;
}
.toc li.depth-3 a { padding-left: 12px; }
.toc li.depth-4 a { padding-left: 24px; }
.toc li a:hover { color: var(--text-strong); }
.toc li a.is-active { color: var(--accent); font-weight: 600; }

/* ── Post content ───────────────────────────────────────────────── */
.post-content { font-size: 17px; line-height: 1.85; color: var(--text); }
.post-content > :first-child { margin-top: 0; }
.post-content p { margin: 0 0 1.1em; }
.post-content p.spacer { margin: 0; height: .4em; overflow: hidden; }
.post-content p[data-ke-size="size14"] { font-size: 15px; }
.post-content p[data-ke-size="size18"] { font-size: 18px; }
.post-content h1, .post-content h2, .post-content h3, .post-content h4 {
  color: var(--text-strong); letter-spacing: -.02em; line-height: 1.4; font-weight: 700;
}
.post-content h2 { font-size: 1.6em; margin: 2.2em 0 .8em; padding-bottom: .35em; border-bottom: 1px solid var(--border); }
.post-content h3 { font-size: 1.3em; margin: 1.9em 0 .6em; }
.post-content h4 { font-size: 1.12em; margin: 1.6em 0 .5em; }
.post-content h2 + h3, .post-content h3 + h4 { margin-top: .9em; }
.post-content .heading-anchor { margin-left: 6px; color: var(--text-faint); opacity: 0; font-weight: 400; transition: opacity .15s; }
.post-content :is(h2, h3, h4):hover .heading-anchor { opacity: 1; }
.post-content a { color: var(--link); text-decoration: underline; text-decoration-color: color-mix(in srgb, var(--link) 35%, transparent); text-underline-offset: 3px; }
.post-content a:hover { text-decoration-color: var(--link); }
.post-content strong, .post-content b { color: var(--text-strong); font-weight: 700; }
.post-content ul, .post-content ol { margin: 0 0 1.1em; padding-left: 1.5em; }
.post-content li { margin: .3em 0; }
.post-content li::marker { color: var(--text-faint); }
.post-content ol > li::marker { font-weight: 600; }
.post-content li > ul, .post-content li > ol { margin: .3em 0 .3em; }
/* Highlights carried over from the original posts stay readable in dark mode. */
.post-content span[style*="background-color"] { color: #1f1f1f; border-radius: 3px; padding: 0 2px; }
[data-theme="dark"] .post-content span[style*="color"]:not([style*="background-color"]) { filter: brightness(1.5) saturate(.9); }

/* Inline code */
.post-content :not(pre) > code {
  font-family: var(--mono); font-size: .86em; padding: .15em .4em; border-radius: 5px;
  background: var(--code-bg); color: var(--inline-code); border: 1px solid var(--border);
}

/* Code blocks */
.post-content pre {
  position: relative; margin: 1.5em 0; padding: 0; border-radius: var(--radius);
  background: var(--code-bg); border: 1px solid var(--border); overflow: hidden;
}
.post-content pre code {
  display: block; padding: 18px 20px; overflow-x: auto; background: none !important;
  font-family: var(--mono); font-size: 14px; line-height: 1.65; color: var(--text); tab-size: 2;
}
.code-toolbar { position: absolute; top: 8px; right: 8px; display: flex; gap: 6px; align-items: center; opacity: 0; transition: opacity .15s; }
.post-content pre:hover .code-toolbar, .code-toolbar:focus-within { opacity: 1; }
.code-lang { font-size: 11px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--text-faint); }
.code-copy {
  font-size: 12px; padding: 3px 9px; border-radius: 6px; cursor: pointer;
  border: 1px solid var(--border-strong); background: var(--bg); color: var(--text-muted);
}
.code-copy:hover { color: var(--text-strong); }
@media (hover: none) { .code-toolbar { opacity: 1; } }

/* highlight.js tokens (GitHub-like, light + dark) */
.hljs-comment, .hljs-quote { color: #6e7781; font-style: italic; }
.hljs-keyword, .hljs-selector-tag, .hljs-type, .hljs-meta .hljs-keyword, .hljs-doctag { color: #cf222e; }
.hljs-string, .hljs-regexp, .hljs-addition, .hljs-meta .hljs-string { color: #0a3069; }
.hljs-number, .hljs-literal, .hljs-variable.language_, .hljs-attr, .hljs-attribute, .hljs-selector-attr, .hljs-selector-class, .hljs-selector-id { color: #0550ae; }
.hljs-title, .hljs-title.class_, .hljs-title.function_, .hljs-section { color: #8250df; }
.hljs-built_in, .hljs-symbol, .hljs-name, .hljs-tag { color: #116329; }
.hljs-params, .hljs-variable, .hljs-template-variable { color: #953800; }
.hljs-meta { color: #6e7781; }
.hljs-deletion { color: #82071e; background: #ffebe9; }
[data-theme="dark"] .hljs-comment, [data-theme="dark"] .hljs-quote, [data-theme="dark"] .hljs-meta { color: #8b949e; }
[data-theme="dark"] .hljs-keyword, [data-theme="dark"] .hljs-selector-tag, [data-theme="dark"] .hljs-type, [data-theme="dark"] .hljs-doctag { color: #ff7b72; }
[data-theme="dark"] .hljs-string, [data-theme="dark"] .hljs-regexp, [data-theme="dark"] .hljs-addition { color: #a5d6ff; }
[data-theme="dark"] .hljs-number, [data-theme="dark"] .hljs-literal, [data-theme="dark"] .hljs-attr, [data-theme="dark"] .hljs-attribute, [data-theme="dark"] .hljs-selector-class, [data-theme="dark"] .hljs-selector-id { color: #79c0ff; }
[data-theme="dark"] .hljs-title, [data-theme="dark"] .hljs-title.class_, [data-theme="dark"] .hljs-title.function_, [data-theme="dark"] .hljs-section { color: #d2a8ff; }
[data-theme="dark"] .hljs-built_in, [data-theme="dark"] .hljs-symbol, [data-theme="dark"] .hljs-name, [data-theme="dark"] .hljs-tag { color: #7ee787; }
[data-theme="dark"] .hljs-params, [data-theme="dark"] .hljs-variable, [data-theme="dark"] .hljs-template-variable { color: #ffa657; }
[data-theme="dark"] .hljs-deletion { color: #ffdcd7; background: #67060c; }

/* Blockquotes (Notion-like quote / callout) */
.post-content blockquote {
  margin: 1.5em 0; padding: 2px 0 2px 18px; border-left: 3px solid var(--text-strong); color: var(--text);
}
.post-content blockquote p:last-child { margin-bottom: 0; }
.post-content blockquote[data-ke-style="style2"] { border-left-color: var(--accent); }
.post-content blockquote[data-ke-style="style3"] {
  border: 0; border-radius: var(--radius); background: var(--bg-soft); padding: 16px 20px 16px 50px; position: relative;
}
.post-content blockquote[data-ke-style="style3"]::before { content: "💡"; position: absolute; left: 18px; top: 16px; }

/* Dividers */
.post-content hr { border: 0; height: 1px; background: var(--border); margin: 3em 0; }
.post-content hr[data-ke-style="style5"], .post-content hr[data-ke-style="style6"] {
  height: auto; background: none; text-align: center; color: var(--text-faint); letter-spacing: .6em;
}
.post-content hr[data-ke-style="style5"]::after, .post-content hr[data-ke-style="style6"]::after { content: "···"; font-size: 20px; }

/* Tables */
.table-wrap { overflow-x: auto; margin: 1.5em 0; border: 1px solid var(--border); border-radius: var(--radius); }
.post-content table { width: 100% !important; height: auto !important; border-collapse: collapse; font-size: 15px; line-height: 1.6; }
.post-content th, .post-content td {
  border: 0; border-bottom: 1px solid var(--border); padding: 10px 14px; text-align: left; vertical-align: top;
  width: auto !important; height: auto !important; background: none !important;
}
.post-content tr:last-child td { border-bottom: 0; }
.post-content th, .post-content thead td, .post-content tr:first-child > td[style*="background"] { background: var(--bg-soft) !important; color: var(--text-strong); font-weight: 600; }
.post-content th + th, .post-content td + td { border-left: 1px solid var(--border); }
.post-content td p, .post-content th p { margin: 0; }

/* Images */
.post-content figure { margin: 2em 0; }
.post-content figure.imageblock { text-align: center; }
.post-content figure.imageblock.alignLeft { text-align: left; }
.post-content figure.imageblock p { margin: 0; }
.post-content figure img { border-radius: 8px; cursor: zoom-in; }
.post-content figcaption { margin-top: 10px; font-size: 14px; color: var(--text-muted); text-align: center; }
.post-content figure.imagegridblock .image-container { display: flex; gap: 10px; align-items: flex-start; }
.post-content figure.imagegridblock .image-container > span { flex: 1; margin: 0 !important; width: auto !important; }
.post-content figure.imagegridblock img { width: 100%; }

/* Link bookmark (Notion-style) */
.post-content figure[data-ke-type="opengraph"] { margin: 1.5em 0; }
.post-content figure[data-ke-type="opengraph"] a {
  display: flex; flex-direction: row-reverse; overflow: hidden; text-decoration: none; color: inherit;
  border: 1px solid var(--border); border-radius: var(--radius); transition: background-color .15s;
}
.post-content figure[data-ke-type="opengraph"] a:hover { background: var(--bg-soft); }
.post-content .og-image { flex: none; width: 30%; max-width: 220px; min-height: 110px; background-size: cover; background-position: center; border-left: 1px solid var(--border); }
.post-content .og-image[style*="url('')"] { display: none; }
.post-content .og-text { flex: 1; min-width: 0; padding: 14px 16px; }
.post-content .og-text p { margin: 0; }
.post-content .og-title { font-size: 15px; font-weight: 600; color: var(--text-strong); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.post-content .og-desc { margin-top: 4px !important; font-size: 13px; line-height: 1.55; color: var(--text-muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.post-content .og-host { margin-top: 8px !important; font-size: 12px; color: var(--text-faint); }
.post-content .og-host::before { content: "🔗 "; }

/* Attachments */
.post-content figure.fileblock { margin: 1.5em 0; }
.post-content figure.fileblock.has-video { text-align: center; margin: 2em 0; }
.post-content figure.fileblock video { display: inline-block; max-width: 100%; max-height: 560px; width: auto; height: auto; border-radius: var(--radius); background: #000; vertical-align: top; }
.post-content figure.fileblock a {
  display: flex; align-items: center; gap: 12px; padding: 12px 16px; text-decoration: none;
  border: 1px solid var(--border); border-radius: var(--radius); color: inherit;
}
.post-content figure.fileblock a:hover { background: var(--bg-soft); }
.post-content figure.fileblock .image { width: 32px; height: 32px; flex: none; border-radius: 8px; background: var(--accent-soft); position: relative; }
.post-content figure.fileblock .image::after { content: "↓"; position: absolute; inset: 0; display: grid; place-items: center; color: var(--accent); font-weight: 700; }
.post-content figure.fileblock .desc { display: flex; justify-content: space-between; flex: 1; gap: 12px; font-size: 14px; }
.post-content figure.fileblock .size { color: var(--text-faint); }

/* Toggle (more / less) */
.post-content div[data-ke-type="moreLess"] { margin: 1.2em 0; border-radius: var(--radius); }
.post-content .btn-toggle-moreless {
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-weight: 600;
  color: var(--text-strong) !important; text-decoration: none !important; padding: 4px 8px 4px 4px; border-radius: 6px;
}
.post-content .btn-toggle-moreless:hover { background: var(--bg-hover); }
.post-content .btn-toggle-moreless::before { content: "▸"; display: inline-block; transition: transform .15s; color: var(--text-muted); }
.post-content div[data-ke-type="moreLess"].open .btn-toggle-moreless::before { transform: rotate(90deg); }
.post-content .moreless-toggle-row { margin: 0; }
.post-content .moreless-content { display: none; padding: 8px 0 0 22px; }
.post-content div[data-ke-type="moreLess"].open > .moreless-content { display: block; }

/* ── Post footer ────────────────────────────────────────────────── */
.post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 64px 0 0; padding-top: 32px; border-top: 1px solid var(--border); }
.post-nav-item {
  display: flex; flex-direction: column; gap: 4px; padding: 16px 18px;
  border: 1px solid var(--border); border-radius: var(--radius); transition: border-color .15s, background-color .15s;
}
.post-nav-item:hover { border-color: var(--border-strong); background: var(--bg-soft); }
.post-nav-item.next { text-align: right; grid-column: 2; }
.post-nav-label { font-size: 13px; color: var(--text-faint); }
.post-nav-title { font-weight: 600; color: var(--text-strong); line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.related { margin-top: 56px; }
.related-title { font-size: 17px; font-weight: 700; color: var(--text-strong); margin: 0 0 16px; }
.related-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.related-grid a { display: flex; flex-direction: column; gap: 8px; }
.related-thumb {
  aspect-ratio: 4 / 3; border-radius: 8px; overflow: hidden; background: var(--bg-soft); border: 1px solid var(--border);
  display: grid; place-items: center; font-size: 28px; font-weight: 800; color: var(--text-faint);
}
.related-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.related-grid a:hover .related-thumb img { transform: scale(1.04); }
.related-name { font-size: 14px; font-weight: 600; line-height: 1.45; color: var(--text-strong); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-grid a:hover .related-name { color: var(--accent); }
.related-grid time { font-size: 12px; color: var(--text-faint); margin-top: -4px; }
.comments { margin-top: 56px; }

/* ── Search modal ───────────────────────────────────────────────── */
.search-modal { position: fixed; inset: 0; z-index: 100; display: flex; justify-content: center; align-items: flex-start; padding: 12vh 16px 16px; }
.search-modal[hidden] { display: none; }
.search-backdrop { position: absolute; inset: 0; background: rgba(15, 15, 15, .45); backdrop-filter: blur(2px); }
.search-panel {
  position: relative; width: 100%; max-width: 600px; max-height: 70vh; display: flex; flex-direction: column;
  background: var(--bg); border: 1px solid var(--border); border-radius: 14px; box-shadow: 0 24px 64px rgba(0, 0, 0, .25); overflow: hidden;
}
.search-input-row { display: flex; align-items: center; gap: 10px; padding: 0 16px; border-bottom: 1px solid var(--border); color: var(--text-muted); }
.search-input-row input {
  flex: 1; height: 56px; border: 0; outline: 0; background: transparent; font: inherit; font-size: 17px; color: var(--text-strong);
}
.search-input-row input::-webkit-search-cancel-button { display: none; }
.search-input-row kbd { cursor: pointer; }
.search-results { list-style: none; margin: 0; padding: 8px; overflow-y: auto; }
.search-results:empty { display: none; }
.search-results a { display: block; padding: 10px 12px; border-radius: 9px; }
.search-results li.is-active a, .search-results a:hover { background: var(--bg-hover); }
.search-results .sr-title { display: block; font-weight: 600; color: var(--text-strong); }
.search-results .sr-meta { display: block; font-size: 12px; color: var(--text-faint); margin-top: 2px; }
.search-results .sr-snippet { display: block; font-size: 13px; color: var(--text-muted); margin-top: 4px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.search-results mark, .post-list mark { background: var(--accent-soft); color: var(--accent); border-radius: 3px; padding: 0 1px; }
.search-empty { padding: 28px 12px; text-align: center; color: var(--text-faint); font-size: 14px; }

/* ── Lightbox ───────────────────────────────────────────────────── */
.lightbox { position: fixed; inset: 0; z-index: 110; background: rgba(10, 10, 10, .85); display: grid; place-items: center; padding: 24px; cursor: zoom-out; animation: fade .15s ease-out; }
.lightbox img { max-width: 100%; max-height: 100%; border-radius: 8px; box-shadow: 0 16px 48px rgba(0, 0, 0, .4); }
@keyframes fade { from { opacity: 0; } }

/* ── Back to top ────────────────────────────────────────────────── */
.to-top {
  position: fixed; right: 24px; bottom: 24px; z-index: 40; width: 42px; height: 42px; border-radius: 50%;
  display: grid; place-items: center; cursor: pointer;
  border: 1px solid var(--border); background: var(--bg); color: var(--text-muted); box-shadow: var(--shadow);
  opacity: 0; transform: translateY(8px); pointer-events: none; transition: opacity .2s, transform .2s;
}
.to-top.is-visible { opacity: 1; transform: none; pointer-events: auto; }
.to-top:hover { color: var(--text-strong); }

/* ── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .post-layout { grid-template-columns: minmax(0, var(--content-w)); }
  .toc { display: none; }
}
@media (max-width: 720px) {
  :root { --header-h: 56px; }
  .site-header-inner { gap: 12px; padding: 0 16px; }
  .site-logo span { display: none; }
  .site-nav a { padding: 6px 8px; }
  .search-trigger { min-width: 0; padding: 0 10px; border: 0; background: transparent; }
  .search-trigger-label, .search-trigger kbd { display: none; }
  .container, .post-layout, .hero { padding-left: 16px; padding-right: 16px; }
  .hero { padding-top: 36px; gap: 18px; }
  .hero-image { width: 88px; height: 88px; }
  .hero-title { font-size: 22px; }
  .chips { flex-wrap: nowrap; overflow-x: auto; margin: 0 -16px 8px; padding: 0 16px 16px; scrollbar-width: none; }
  .chips::-webkit-scrollbar { display: none; }
  .chip { flex: none; }
  .post-row > a { gap: 16px; padding: 22px 0; align-items: flex-start; }
  .post-row-title { font-size: 17px; }
  .post-row-excerpt { font-size: 14px; }
  .post-row-thumb { width: 92px; margin-top: 26px; }
  .archive-header { padding-top: 44px; }
  .archive-title { font-size: 28px; }
  .post-header { padding-top: 40px; margin-bottom: 32px; }
  .post-title { font-size: 28px; }
  .post-content { font-size: 16px; }
  .post-content pre code { font-size: 13px; padding: 16px; }
  .post-content .og-image { display: none; }
  .post-nav { grid-template-columns: 1fr; }
  .post-nav-item.next { grid-column: 1; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .to-top { right: 16px; bottom: 16px; }
  .search-modal { padding-top: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}