/* ============================================================
   CloudsArk — Design Tokens
   ============================================================ */
:root {
  --font-sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* Light theme */
  --bg: #ffffff;
  --bg-subtle: #f6f7f9;
  --bg-sunken: #eef1f5;
  --surface: #ffffff;
  --surface-hover: #f9fafb;
  --border: #e3e7ed;
  --border-strong: #cdd4de;
  --text: #0d1420;
  --text-secondary: #3d4757;
  --text-muted: #6b7686;
  --accent: #2257e6;
  --accent-hover: #1845c4;
  --accent-soft: #eaf0ff;
  --accent-text: #2257e6;
  --focus: #2257e6;
  --shadow-sm: 0 1px 2px rgba(13, 20, 32, 0.05);
  --shadow-md: 0 4px 16px -4px rgba(13, 20, 32, 0.10);
  --shadow-lg: 0 20px 50px -16px rgba(13, 20, 32, 0.22);

  /* Category hues */
  --c-linux: #c2820a;
  --c-linux-soft: #fbf3e0;
  --c-k8s: #2257e6;
  --c-k8s-soft: #eaf0ff;
  --c-openshift: #d23b32;
  --c-openshift-soft: #fcebe9;
  --c-mlops: #7a45d6;
  --c-mlops-soft: #f2ecfc;

  /* Code token colors */
  --code-bg: #0f141b;
  --code-text: #d7dee8;
  --code-comment: #6b7686;
  --code-kw: #c98cff;
  --code-str: #8fd18a;
  --code-num: #f0a96b;
  --code-fn: #6db3ff;
  --code-attr: #f0c674;
  --code-line: #1e2733;

  /* Layout */
  --maxw: 1240px;
  --radius: 10px;
  --radius-sm: 7px;
  --radius-lg: 16px;
}

html[data-theme="dark"] {
  --bg: #0a0d12;
  --bg-subtle: #0f141b;
  --bg-sunken: #070a0e;
  --surface: #12181f;
  --surface-hover: #161d26;
  --border: #1f2832;
  --border-strong: #2c3744;
  --text: #e8eef5;
  --text-secondary: #b3bdca;
  --text-muted: #76828f;
  --accent: #5b9dff;
  --accent-hover: #79b0ff;
  --accent-soft: #14233d;
  --accent-text: #79b0ff;
  --focus: #5b9dff;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 28px -8px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 24px 60px -16px rgba(0, 0, 0, 0.7);

  --c-linux: #e3b04b;
  --c-linux-soft: #241d0e;
  --c-k8s: #5b9dff;
  --c-k8s-soft: #11203a;
  --c-openshift: #f06a62;
  --c-openshift-soft: #2a1311;
  --c-mlops: #b18cf0;
  --c-mlops-soft: #1c1430;

  --code-bg: #070a0e;
  --code-line: #161d26;
}

/* ============================================================
   Reset / Base
   ============================================================ */
* { margin: 0; padding: 0; box-sizing: border-box; }
html {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 15px;
  transition: background-color 0.2s ease, color 0.2s ease;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input { font-family: inherit; }
::selection { background: var(--accent); color: #fff; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 4px; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
.mono { font-family: var(--font-mono); }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}
mark {
  background: var(--accent-soft);
  color: var(--accent-text);
  border-radius: 3px;
  padding: 0 2px;
  font-weight: 600;
}

/* ============================================================
   Header
   ============================================================ */
header.site {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(150%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 60px;
}
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.glyph {
  width: 30px; height: 30px;
  display: grid; gap: 3px; align-content: center;
  padding: 6px;
  border-radius: 8px;
  background: var(--accent);
}
.glyph span { display: block; height: 3px; border-radius: 2px; background: #fff; }
.glyph span:nth-child(1) { width: 100%; opacity: 1; }
.glyph span:nth-child(2) { width: 70%; opacity: 0.85; }
.glyph span:nth-child(3) { width: 45%; opacity: 0.6; }
.brand .name { font-weight: 600; font-size: 17px; letter-spacing: -0.01em; }
.brand .name b { color: var(--accent-text); font-weight: 600; }

nav.primary { display: flex; align-items: center; gap: 2px; }
nav.primary a {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 7px 11px;
  border-radius: var(--radius-sm);
  transition: color 0.12s, background 0.12s;
}
nav.primary a:hover { color: var(--text); background: var(--surface-hover); }
nav.primary a.is-active { color: var(--accent-text); }

.header-tools { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.search-mini {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 9px;
  color: var(--text-muted);
  font-size: 13px;
  min-width: 200px;
  transition: border-color 0.12s;
}
.search-mini:hover { border-color: var(--border-strong); }
.search-mini kbd {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
  color: var(--text-muted);
}
.icon-btn {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-subtle);
  color: var(--text-secondary);
  transition: border-color 0.12s, color 0.12s;
}
.icon-btn:hover { border-color: var(--border-strong); color: var(--text); }
.icon-btn svg { width: 17px; height: 17px; }
.theme-toggle .sun { display: none; }
html[data-theme="dark"] .theme-toggle .sun { display: block; }
html[data-theme="dark"] .theme-toggle .moon { display: none; }
.menu-btn { display: none; }

/* ============================================================
   Mobile Drawer
   ============================================================ */
.ca-drawer-backdrop {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(8,11,16,.5); backdrop-filter: blur(2px);
  opacity: 0; pointer-events: none; transition: opacity .22s ease;
}
.ca-drawer-backdrop.open { opacity: 1; pointer-events: auto; }
.ca-drawer {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 301;
  width: min(340px, 86vw);
  background: var(--bg); border-left: 1px solid var(--border);
  box-shadow: -16px 0 50px -20px rgba(0,0,0,.45);
  transform: translateX(100%);
  transition: transform .26s cubic-bezier(.4,0,.2,1);
  display: flex; flex-direction: column;
}
.ca-drawer.open { transform: translateX(0); }
.ca-drawer-head {
  display: flex; align-items: center; justify-content: space-between;
  height: 60px; padding: 0 18px; border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.ca-drawer-head .brand { display: flex; align-items: center; gap: 10px; }
.ca-drawer-head .glyph { width: 28px; height: 28px; display: grid; gap: 3px; align-content: center; padding: 6px; border-radius: 8px; background: var(--accent); }
.ca-drawer-head .glyph span { display: block; height: 3px; border-radius: 2px; background: #fff; }
.ca-drawer-head .glyph span:nth-child(1){width:100%}.ca-drawer-head .glyph span:nth-child(2){width:70%;opacity:.85}.ca-drawer-head .glyph span:nth-child(3){width:45%;opacity:.6}
.ca-drawer-head .name { font-weight: 600; font-size: 16px; letter-spacing: -.01em; }
.ca-drawer-head .name b { color: var(--accent-text); }
.ca-drawer-close {
  width: 36px; height: 36px; display: grid; place-items: center;
  border-radius: var(--radius-sm); border: 1px solid var(--border);
  background: var(--bg-subtle); color: var(--text-secondary); cursor: pointer;
}
.ca-drawer-close:hover { color: var(--text); border-color: var(--border-strong); }
.ca-drawer-close svg { width: 17px; height: 17px; }
.ca-drawer-body { flex: 1; overflow-y: auto; padding: 18px; display: flex; flex-direction: column; gap: 22px; }
.ca-drawer-search {
  display: flex; align-items: center; gap: 10px; width: 100%;
  background: var(--bg-subtle); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 12px 14px;
  color: var(--text-muted); font-size: 14px; cursor: pointer; transition: border-color .12s;
}
.ca-drawer-search:hover { border-color: var(--border-strong); }
.ca-drawer-search svg { width: 17px; height: 17px; }
.ca-drawer-search kbd {
  margin-left: auto; font-family: var(--font-mono); font-size: 11px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 4px; padding: 1px 6px;
}
.ca-drawer-sec .ca-drawer-label {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: 8px; padding: 0 4px;
}
.ca-drawer-nav { display: flex; flex-direction: column; gap: 2px; }
.ca-drawer-nav a {
  display: flex; align-items: center; gap: 12px; padding: 11px 12px;
  border-radius: var(--radius-sm); font-size: 15px; font-weight: 500;
  color: var(--text-secondary); transition: background .12s, color .12s;
}
.ca-drawer-nav a:hover { background: var(--surface-hover); color: var(--text); }
.ca-drawer-nav a.active { background: var(--accent-soft); color: var(--accent-text); }
.ca-drawer-nav a .nd { width: 9px; height: 9px; border-radius: 3px; flex-shrink: 0; }
.ca-drawer-nav a .ndi { width: 9px; height: 9px; flex-shrink: 0; color: var(--text-muted); display: grid; place-items: center; }
.ca-drawer-nav a .ndi svg { width: 16px; height: 16px; }
.ca-drawer-nav a .ncount { margin-left: auto; font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); }
.ca-drawer-foot {
  border-top: 1px solid var(--border); padding: 14px 18px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: space-between;
}
.ca-drawer-foot .tl { font-size: 13.5px; color: var(--text-secondary); display: flex; align-items: center; gap: 9px; }
.ca-drawer-foot .tl svg { width: 16px; height: 16px; color: var(--text-muted); }
.ca-theme-switch { display: inline-flex; border: 1px solid var(--border); border-radius: 100px; overflow: hidden; }
.ca-theme-switch button {
  padding: 7px 14px; font-size: 12.5px; font-weight: 500; color: var(--text-muted);
  display: flex; align-items: center; gap: 6px; cursor: pointer; background: none; border: none;
}
.ca-theme-switch button svg { width: 14px; height: 14px; }
.ca-theme-switch button.on { background: var(--accent-soft); color: var(--accent-text); }
html[data-theme="dark"] .ca-theme-switch .tsw-l { color: var(--text-muted); }
html[data-theme="dark"] .ca-theme-switch .tsw-l.on, html:not([data-theme="dark"]) .ca-theme-switch .tsw-d.on { background: var(--accent-soft); color: var(--accent-text); }

/* ============================================================
   Footer
   ============================================================ */
footer.site {
  border-top: 1px solid var(--border);
  background: var(--bg-subtle);
  padding: 56px 0 36px;
  margin-top: 8px;
}
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr 1fr; gap: 32px; }
.foot-brand .brand { margin-bottom: 14px; }
.foot-brand p { font-size: 13.5px; color: var(--text-muted); max-width: 30ch; }
.foot-col h5 {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--text-muted); margin-bottom: 14px; font-weight: 500;
}
.foot-col a { display: block; font-size: 13.5px; color: var(--text-secondary); padding: 5px 0; transition: color 0.12s; }
.foot-col a:hover { color: var(--accent-text); }
.foot-bottom {
  margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  font-size: 12.5px; color: var(--text-muted);
}
.foot-bottom .mono { font-family: var(--font-mono); font-size: 12px; }

/* ============================================================
   Ad placeholders
   ============================================================ */
.ad-slot { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
.ad-inner {
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  background: var(--bg-subtle);
  min-height: 96px;
  display: grid; place-items: center; gap: 4px; text-align: center;
}
.ad-inner .alabel { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); }
.ad-inner .ahint { font-size: 12px; color: var(--text-muted); }
.ad-inline {
  margin: 36px 0; border: 1px dashed var(--border-strong); border-radius: var(--radius);
  background: var(--bg-subtle); min-height: 110px; display: grid; place-items: center; gap: 4px; text-align: center;
}
.ad-inline .alabel { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); }
.ad-inline .ahint { font-size: 12px; color: var(--text-muted); }
.ad-side {
  border: 1px dashed var(--border-strong); border-radius: var(--radius);
  background: var(--bg-subtle); min-height: 250px; display: grid; place-items: center; gap: 4px; text-align: center;
}
.ad-side .alabel { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); }
.ad-side .ahint { font-size: 11.5px; color: var(--text-muted); }
.ad-row {
  margin: 24px 0; border: 1px dashed var(--border-strong); border-radius: var(--radius);
  background: var(--bg-subtle); min-height: 100px; display: grid; place-items: center; gap: 4px; text-align: center;
}
.ad-row .alabel { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); }
.ad-row .ahint { font-size: 12px; color: var(--text-muted); }

/* ============================================================
   Shared card/list components
   ============================================================ */
.tag-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.pill {
  font-family: var(--font-mono); font-size: 11px; font-weight: 500;
  padding: 3px 8px; border-radius: 5px;
  background: var(--cc-soft); color: var(--cc);
}
.dot-sep { color: var(--text-muted); font-size: 12px; }
.meta-mono { font-family: var(--font-mono); font-size: 12px; color: var(--text-muted); }
.crumbs {
  display: flex; align-items: center; gap: 7px; flex-wrap: wrap;
  font-size: 13px; color: var(--text-muted);
}
.crumbs a { transition: color 0.12s; }
.crumbs a:hover { color: var(--accent-text); }
.crumbs .sep { opacity: 0.5; }
.crumbs .cur { color: var(--text-secondary); }

.see-all {
  font-size: 13.5px; font-weight: 500; color: var(--accent-text);
  display: inline-flex; align-items: center; gap: 5px; flex-shrink: 0;
}
.see-all svg { width: 14px; height: 14px; }
.see-all:hover { text-decoration: underline; }

.cat-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--cc); flex-shrink: 0; }
.cat-name { font-family: var(--font-mono); font-size: 11.5px; color: var(--text-muted); }

/* Sidebar article list */
.side-box { border-top: 1px solid var(--border); padding-top: 24px; }
.side-box .side-title, .toc-box .toc-title {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--text-muted); font-weight: 500; margin-bottom: 14px;
}
.side-list { display: flex; flex-direction: column; }
.side-art { display: flex; gap: 11px; padding: 11px 0; border-top: 1px solid var(--border); }
.side-art:first-child { border-top: none; padding-top: 0; }
.side-art .sn { font-family: var(--font-mono); font-size: 12px; color: var(--text-muted); flex-shrink: 0; }
.side-art h4 { font-size: 13.5px; font-weight: 500; line-height: 1.4; transition: color 0.12s; }
.side-art:hover h4 { color: var(--accent-text); }
.side-art .sm { margin-top: 3px; font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); }

/* ============================================================
   Homepage — Hero
   ============================================================ */
.hero {
  border-bottom: 1px solid var(--border);
  background: radial-gradient(80% 120% at 50% -20%, var(--accent-soft) 0%, transparent 60%), var(--bg);
  padding: 72px 0 56px;
  text-align: center;
}
.hero .eyebrow { margin-bottom: 18px; }
.hero h1 {
  font-size: clamp(30px, 4.4vw, 50px);
  line-height: 1.08;
  letter-spacing: -0.025em;
  font-weight: 600;
  max-width: 14ch;
  margin: 0 auto;
  text-wrap: balance;
}
.hero h1 .grad { color: var(--accent-text); }
.hero p.sub {
  margin: 20px auto 0;
  max-width: 62ch;
  font-size: 17px;
  color: var(--text-secondary);
  text-wrap: pretty;
}
.search-big {
  margin: 36px auto 0;
  max-width: 620px;
  display: flex; align-items: center; gap: 12px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 14px 18px;
  box-shadow: var(--shadow-md);
  transition: border-color 0.12s, box-shadow 0.12s;
}
.search-big:focus-within { border-color: var(--accent); }
.search-big svg { width: 20px; height: 20px; color: var(--text-muted); flex-shrink: 0; }
.search-big input {
  flex: 1; border: none; background: none; outline: none;
  font-family: var(--font-sans); font-size: 16px; color: var(--text);
}
.search-big input::placeholder { color: var(--text-muted); }
.search-big .go {
  font-family: var(--font-mono); font-size: 12px; color: var(--text-muted);
  border: 1px solid var(--border); border-radius: 5px; padding: 3px 7px;
}
.search-suggest {
  margin: 18px auto 0; max-width: 620px;
  display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; align-items: center;
}
.search-suggest .lbl { font-family: var(--font-mono); font-size: 12px; color: var(--text-muted); }
.chip {
  font-size: 12.5px; font-weight: 500;
  padding: 5px 11px; border-radius: 100px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text-secondary);
  transition: border-color 0.12s, color 0.12s;
}
.chip:hover { border-color: var(--border-strong); color: var(--text); }

/* Homepage search suggestions dropdown */
.home-search-wrap {
  position: relative;
  max-width: 620px;
  margin: 36px auto 0;
}
.home-search-wrap .search-big {
  margin: 0;
  max-width: none;
  transition: border-color 0.12s, box-shadow 0.12s, border-radius 0.12s;
}
.home-search-wrap.hsd-open .search-big {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-md);
}
.home-search-drop {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 200;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-top: none;
  border-bottom-left-radius: 12px;
  border-bottom-right-radius: 12px;
  box-shadow: 0 8px 24px rgba(0,0,0,.12);
  max-height: 440px;
  overflow-y: auto;
}
.search-suggestion-item {
  display: block;
  padding: 12px 16px;
  text-decoration: none;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  transition: background 0.1s;
}
.search-suggestion-item:last-child { border-bottom: none; }
.search-suggestion-item:hover,
.search-suggestion-item.hsd-active { background: var(--surface-raised); }
.suggestion-title {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.35;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.suggestion-title b { font-weight: 700; color: var(--accent); }
.suggestion-meta {
  display: block;
  margin-top: 3px;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--text-muted);
}
.suggestion-summary {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.search-suggestion-item.view-all {
  display: block;
  padding: 11px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: none;
  transition: background 0.1s;
}
.search-suggestion-item.view-all:hover { background: var(--surface-raised); }

/* ============================================================
   Homepage — Section scaffolding
   ============================================================ */
section.band { padding: 56px 0; }
section.band + section.band { border-top: 1px solid var(--border); }
.section-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 20px; margin-bottom: 28px;
}
.section-head h2 { font-size: 23px; font-weight: 600; letter-spacing: -0.02em; }
.section-head .eyebrow { margin-bottom: 7px; }

/* ============================================================
   Homepage — Category grid
   ============================================================ */
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.cat-card {
  position: relative; display: flex; flex-direction: column;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 22px; overflow: hidden;
  transition: border-color 0.14s, transform 0.14s, box-shadow 0.14s;
}
.cat-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: var(--cc);
}
.cat-card:hover { border-color: var(--border-strong); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.cat-card .cat-mark {
  width: 38px; height: 38px; border-radius: 9px; display: grid; place-items: center;
  font-family: var(--font-mono); font-weight: 600; font-size: 15px;
  background: var(--cc-soft); color: var(--cc); margin-bottom: 16px;
}
.cat-card h3 { font-size: 17px; font-weight: 600; letter-spacing: -0.01em; }
.cat-card .count { font-family: var(--font-mono); font-size: 12px; color: var(--text-muted); margin-top: 3px; }
.cat-card .subcats { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 6px; }
.cat-card .subcats span {
  font-size: 11.5px; color: var(--text-secondary);
  background: var(--bg-subtle); border: 1px solid var(--border); border-radius: 5px; padding: 2px 7px;
}
.cat-card .arrow {
  margin-top: auto; padding-top: 16px;
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 500; color: var(--cc);
}
.cat-card .arrow svg { width: 14px; height: 14px; }

/* ============================================================
   Homepage — Featured
   ============================================================ */
.featured-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 16px; }
.feat-main, .feat-side {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: border-color 0.14s, box-shadow 0.14s;
}
.feat-main:hover, .feat-side:hover { border-color: var(--border-strong); box-shadow: var(--shadow-md); }
.feat-main { display: flex; flex-direction: column; }
.feat-thumb {
  height: 220px;
  background: repeating-linear-gradient(135deg, var(--bg-subtle) 0 11px, var(--bg-sunken) 11px 22px);
  border-bottom: 1px solid var(--border);
  display: grid; place-items: center; position: relative;
}
.feat-thumb .ph {
  font-family: var(--font-mono); font-size: 12px; color: var(--text-muted);
  background: var(--surface); border: 1px solid var(--border); padding: 5px 10px; border-radius: 6px;
}
.feat-body { padding: 24px; display: flex; flex-direction: column; gap: 12px; }
.feat-main h3 { font-size: 25px; font-weight: 600; letter-spacing: -0.02em; line-height: 1.18; }
.feat-main p { color: var(--text-secondary); font-size: 15px; }
.feat-side { display: flex; flex-direction: column; }
.feat-side .feat-thumb { height: 120px; }
.feat-side .feat-body { padding: 18px; gap: 9px; }
.feat-side h3 { font-size: 17px; font-weight: 600; letter-spacing: -0.01em; line-height: 1.25; }

/* ============================================================
   Homepage — Article lists (popular/latest)
   ============================================================ */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.art-list { display: flex; flex-direction: column; }
.art-row {
  display: flex; gap: 16px; align-items: baseline;
  padding: 16px 0; border-top: 1px solid var(--border);
}
.art-row:first-of-type { border-top: none; }
.art-row .rank { font-family: var(--font-mono); font-size: 13px; font-weight: 600; color: var(--text-muted); width: 22px; flex-shrink: 0; }
.art-row .art-body { flex: 1; min-width: 0; }
.art-row h4 { font-size: 15px; font-weight: 500; line-height: 1.35; transition: color 0.12s; }
.art-row:hover h4 { color: var(--accent-text); }
.art-row .art-meta { margin-top: 5px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.latest-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.art-card {
  display: flex; flex-direction: column; gap: 11px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
  transition: border-color 0.14s, transform 0.14s, box-shadow 0.14s;
}
.art-card:hover { border-color: var(--border-strong); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.art-card h4 { font-size: 16px; font-weight: 600; letter-spacing: -0.01em; line-height: 1.3; }
.art-card p { font-size: 13.5px; color: var(--text-muted); line-height: 1.5; }
.art-card .art-meta { margin-top: auto; padding-top: 4px; display: flex; align-items: center; gap: 8px; }

/* ============================================================
   Homepage — Learning paths
   ============================================================ */
.path-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.path-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 22px;
  display: flex; flex-direction: column; gap: 14px;
  transition: border-color 0.14s, box-shadow 0.14s;
}
.path-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow-md); }
.path-card .ptop { display: flex; align-items: center; justify-content: space-between; }
.path-card .lvl {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--cc); background: var(--cc-soft); padding: 3px 8px; border-radius: 5px;
}
.path-card h3 { font-size: 17px; font-weight: 600; letter-spacing: -0.01em; }
.path-steps { display: flex; flex-direction: column; gap: 9px; }
.path-step { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--text-secondary); }
.path-step .si {
  width: 18px; height: 18px; border-radius: 50%; flex-shrink: 0;
  border: 1.5px solid var(--border-strong); display: grid; place-items: center;
  font-family: var(--font-mono); font-size: 9px; color: var(--text-muted);
}
.path-card .pfoot {
  margin-top: 6px; padding-top: 14px; border-top: 1px solid var(--border);
  font-family: var(--font-mono); font-size: 12px; color: var(--text-muted);
  display: flex; justify-content: space-between; align-items: center;
}

/* ============================================================
   Homepage — Trending topics
   ============================================================ */
.topic-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.topic-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13.5px; font-weight: 500; padding: 8px 14px;
  border-radius: 8px; border: 1px solid var(--border); background: var(--surface);
  transition: border-color 0.12s, transform 0.12s;
}
.topic-tag:hover { border-color: var(--border-strong); transform: translateY(-1px); }
.topic-tag .tcount { font-family: var(--font-mono); font-size: 11.5px; color: var(--text-muted); }
.topic-tag .tdot { width: 7px; height: 7px; border-radius: 50%; background: var(--cc); }

/* ============================================================
   Article — Layout
   ============================================================ */
.progress { position: fixed; top: 0; left: 0; height: 2.5px; width: 0; background: var(--accent); z-index: 200; transition: width 0.05s linear; }

.article-shell {
  max-width: var(--maxw); margin: 0 auto; padding: 0 28px;
  display: grid; grid-template-columns: minmax(0, 1fr) 268px; gap: 56px;
}
.article-main { min-width: 0; padding: 34px 0 64px; }
.article-col { max-width: 760px; }

/* Article header */
.article-head { padding-bottom: 26px; border-bottom: 1px solid var(--border); margin-bottom: 32px; }
.article-head .tag-row { display: flex; align-items: center; gap: 9px; margin-bottom: 16px; }
.article-head h1 { font-size: clamp(28px, 4vw, 40px); line-height: 1.12; letter-spacing: -0.025em; font-weight: 600; text-wrap: balance; }
.article-head .summary { margin-top: 18px; font-size: 18px; line-height: 1.55; color: var(--text-secondary); text-wrap: pretty; }
.article-meta { margin-top: 22px; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; font-family: var(--font-mono); font-size: 12.5px; color: var(--text-muted); }
.article-meta .mi { display: inline-flex; align-items: center; gap: 6px; }
.article-meta svg { width: 14px; height: 14px; opacity: 0.7; }
.article-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--border-strong); }
.tags-line { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 7px; }
.tag {
  font-size: 12.5px; color: var(--text-secondary);
  background: var(--bg-subtle); border: 1px solid var(--border);
  border-radius: 100px; padding: 3px 11px;
  transition: border-color 0.12s, color 0.12s;
}
.tag:hover { border-color: var(--border-strong); color: var(--accent-text); }
.tag::before { content: "#"; color: var(--text-muted); }

/* Prose */
.prose { font-size: 16px; line-height: 1.72; color: var(--text-secondary); }
.prose > * + * { margin-top: 20px; }
.prose h2 { font-size: 25px; font-weight: 600; letter-spacing: -0.02em; color: var(--text); margin-top: 48px; line-height: 1.25; scroll-margin-top: 80px; }
.prose h3 { font-size: 19px; font-weight: 600; letter-spacing: -0.01em; color: var(--text); margin-top: 34px; scroll-margin-top: 80px; }
.prose h2 + p, .prose h3 + p { margin-top: 12px; }
.prose p { text-wrap: pretty; }
.prose strong { color: var(--text); font-weight: 600; }
.prose a:not(.tag) { color: var(--accent-text); font-weight: 500; text-decoration: underline; text-decoration-color: color-mix(in srgb, var(--accent) 35%, transparent); text-underline-offset: 2px; }
.prose a:not(.tag):hover { text-decoration-color: var(--accent); }
.prose ul, .prose ol { padding-left: 24px; }
.prose li { margin-top: 8px; padding-left: 4px; }
.prose li::marker { color: var(--text-muted); }
.prose code:not(pre code) { font-family: var(--font-mono); font-size: 0.86em; background: var(--bg-subtle); border: 1px solid var(--border); border-radius: 5px; padding: 1px 6px; color: var(--text); white-space: nowrap; }
.prose h2 code, .prose h3 code { font-size: 0.82em; }
.prose pre { margin-top: 22px; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border-strong); background: var(--code-bg); box-shadow: var(--shadow-sm); padding: 16px 0; overflow-x: auto; font-family: var(--font-mono); font-size: 13.5px; line-height: 1.7; }
.prose pre code { display: block; padding: 0 18px; color: var(--code-text); background: none; border: none; white-space: pre; font-size: inherit; border-radius: 0; }

/* Section anchors */
.anchor-h { display: inline-flex; align-items: center; gap: 8px; }
.anchor-h .alink { opacity: 0; font-size: 0.7em; color: var(--text-muted); transition: opacity 0.12s; }
.anchor-h:hover .alink { opacity: 1; }

/* Tables */
.table-scroll { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
.prose table { width: 100%; border-collapse: collapse; font-size: 14px; }
.prose thead th { text-align: left; font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--text-muted); font-weight: 500; background: var(--bg-subtle); padding: 11px 16px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.prose tbody td { padding: 13px 16px; border-bottom: 1px solid var(--border); color: var(--text-secondary); vertical-align: top; }
.prose tbody tr:last-child td { border-bottom: none; }
.prose tbody td:first-child { color: var(--text); font-weight: 500; }
.prose tbody td code { white-space: nowrap; }

/* Code blocks */
.codeblock { margin-top: 22px; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border-strong); background: var(--code-bg); box-shadow: var(--shadow-sm); }
.code-head { display: flex; align-items: center; justify-content: space-between; padding: 9px 14px; background: color-mix(in srgb, var(--code-bg) 80%, #fff 4%); border-bottom: 1px solid color-mix(in srgb, #fff 8%, transparent); }
.code-lang { font-family: var(--font-mono); font-size: 11px; font-weight: 500; letter-spacing: 0.05em; text-transform: uppercase; color: #8b98a8; display: flex; align-items: center; gap: 8px; }
.code-lang .ld { width: 8px; height: 8px; border-radius: 2px; background: var(--accent); }
.copy-btn { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: 11.5px; color: #b3bdca; padding: 4px 9px; border-radius: 6px; border: 1px solid color-mix(in srgb, #fff 10%, transparent); transition: background 0.12s, color 0.12s; }
.copy-btn:hover { background: color-mix(in srgb, #fff 8%, transparent); color: #fff; }
.copy-btn svg { width: 13px; height: 13px; }
.copy-btn.copied { color: #8fd18a; border-color: color-mix(in srgb, #8fd18a 40%, transparent); }
.codeblock pre { margin: 0; padding: 16px 0; overflow-x: auto; font-family: var(--font-mono); font-size: 13.5px; line-height: 1.7; }
.codeblock pre code { display: block; padding: 0 18px; color: var(--code-text); background: none; border: none; white-space: pre; }
.codeblock.wrap-lines pre code { white-space: pre-wrap; word-break: break-word; }

/* hljs token theming */
.hljs-comment, .hljs-meta { color: var(--code-comment); font-style: italic; }
.hljs-keyword, .hljs-built_in, .hljs-selector-tag { color: var(--code-kw); }
.hljs-string, .hljs-attr, .hljs-symbol, .hljs-bullet { color: var(--code-str); }
.hljs-number, .hljs-literal { color: var(--code-num); }
.hljs-title, .hljs-section, .hljs-function .hljs-title, .hljs-name { color: var(--code-fn); }
.hljs-attribute, .hljs-variable, .hljs-template-variable { color: var(--code-attr); }
.hljs-meta .hljs-keyword, .hljs-type { color: var(--code-fn); }

/* Callouts */
.callout { margin-top: 24px; display: flex; gap: 14px; padding: 16px 18px; border-radius: var(--radius); border: 1px solid var(--border); border-left-width: 3px; background: var(--bg-subtle); }
.callout .ci { flex-shrink: 0; width: 22px; height: 22px; display: grid; place-items: center; }
.callout .ci svg { width: 19px; height: 19px; }
.callout .cbody { font-size: 14.5px; line-height: 1.6; }
.callout .cbody strong { display: block; font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 4px; font-weight: 600; }
.callout.note { border-left-color: var(--c-k8s); background: var(--c-k8s-soft); }
.callout.note .ci, .callout.note .cbody strong { color: var(--c-k8s); }
.callout.tip { border-left-color: #1f9d6b; background: color-mix(in srgb, #1f9d6b 8%, var(--bg)); }
.callout.tip .ci, .callout.tip .cbody strong { color: #1f9d6b; }
html[data-theme="dark"] .callout.tip { background: #0e1f18; }
html[data-theme="dark"] .callout.tip .ci, html[data-theme="dark"] .callout.tip .cbody strong { color: #4cc794; }
.callout.warn { border-left-color: var(--c-openshift); background: var(--c-openshift-soft); }
.callout.warn .ci, .callout.warn .cbody strong { color: var(--c-openshift); }

/* Article Sidebar */
.article-aside { padding: 34px 0 64px; }
.aside-sticky { position: sticky; top: 80px; display: flex; flex-direction: column; gap: 28px; }
.toc { display: flex; flex-direction: column; gap: 2px; border-left: 1px solid var(--border); }
.toc a { font-size: 13px; color: var(--text-muted); padding: 5px 0 5px 14px; margin-left: -1px; border-left: 2px solid transparent; line-height: 1.4; transition: color 0.12s, border-color 0.12s; }
.toc a.sub { padding-left: 26px; font-size: 12.5px; }
.toc a:hover { color: var(--text); }
.toc a.active { color: var(--accent-text); border-left-color: var(--accent); font-weight: 500; }

/* Article footer */
.article-foot { border-top: 1px solid var(--border); margin-top: 8px; }
.prevnext { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding: 36px 0; }
.pn { display: flex; flex-direction: column; gap: 6px; padding: 18px 20px; border: 1px solid var(--border); border-radius: var(--radius); transition: border-color 0.14s, box-shadow 0.14s; }
.pn:hover { border-color: var(--border-strong); box-shadow: var(--shadow-md); }
.pn.next { text-align: right; align-items: flex-end; }
.pn .pn-label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.05em; text-transform: uppercase; color: var(--text-muted); display: flex; align-items: center; gap: 6px; }
.pn .pn-label svg { width: 13px; height: 13px; }
.pn h4 { font-size: 15px; font-weight: 600; letter-spacing: -0.01em; line-height: 1.3; }

/* Related cards */
.related { padding: 8px 0 56px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 24px; }
.rel-card { display: flex; flex-direction: column; gap: 10px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; transition: border-color 0.14s, transform 0.14s, box-shadow 0.14s; }
.rel-card:hover { border-color: var(--border-strong); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.rel-card .rpill { font-family: var(--font-mono); font-size: 10.5px; font-weight: 500; padding: 2px 8px; border-radius: 5px; background: var(--cc-soft); color: var(--cc); align-self: flex-start; }
.rel-card h4 { font-size: 15px; font-weight: 600; letter-spacing: -0.01em; line-height: 1.3; }
.rel-card .rm { margin-top: auto; font-family: var(--font-mono); font-size: 11.5px; color: var(--text-muted); }

/* ============================================================
   Category — Hero
   ============================================================ */
.cat-hero {
  border-bottom: 1px solid var(--border);
  background: radial-gradient(70% 130% at 12% -30%, var(--cc-soft) 0%, transparent 55%), var(--bg);
  padding: 30px 0 36px;
}
.cat-hero .crumbs { margin-bottom: 24px; }
.hero-row { display: flex; align-items: flex-start; gap: 22px; }
.hero-mark { width: 60px; height: 60px; border-radius: 14px; display: grid; place-items: center; font-family: var(--font-mono); font-weight: 600; font-size: 26px; background: var(--cc-soft); color: var(--cc); flex-shrink: 0; }
.hero-text h1 { font-size: clamp(30px, 4vw, 42px); font-weight: 600; letter-spacing: -0.025em; line-height: 1.08; }
.hero-text p { margin-top: 12px; font-size: 17px; color: var(--text-secondary); max-width: 64ch; text-wrap: pretty; }
.hero-stats { margin-top: 22px; display: flex; gap: 28px; flex-wrap: wrap; }
.hero-stats .st { display: flex; flex-direction: column; gap: 2px; }
.hero-stats .st b { font-size: 20px; font-weight: 600; letter-spacing: -0.01em; }
.hero-stats .st span { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--text-muted); }

/* Category — Sticky subnav */
.subnav { position: sticky; top: 60px; z-index: 90; background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
.subnav-inner { display: flex; gap: 4px; overflow-x: auto; padding: 10px 0; scrollbar-width: none; }
.subnav-inner::-webkit-scrollbar { display: none; }
.subpill { white-space: nowrap; font-size: 13.5px; font-weight: 500; color: var(--text-secondary); padding: 7px 14px; border-radius: 100px; border: 1px solid transparent; transition: all 0.12s; }
.subpill:hover { color: var(--text); background: var(--surface-hover); }
.subpill.active { color: var(--cc); background: var(--cc-soft); border-color: color-mix(in srgb, var(--cc) 30%, transparent); }
.subpill .cnt { font-family: var(--font-mono); font-size: 11px; opacity: 0.65; margin-left: 5px; }

/* Category — Shell layout */
.shell { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; display: grid; grid-template-columns: minmax(0,1fr) 280px; gap: 48px; align-items: start; }
.main { min-width: 0; padding: 32px 0 56px; }
.aside { padding: 32px 0 56px; }
.aside-sticky-cat { position: sticky; top: 130px; display: flex; flex-direction: column; gap: 28px; }

/* Category — Pinned article */
.pinned { display: flex; gap: 18px; background: var(--surface); border: 1px solid var(--border); border-left: 3px solid var(--cc); border-radius: var(--radius-lg); padding: 22px; margin-bottom: 30px; transition: border-color 0.14s, box-shadow 0.14s; }
.pinned:hover { box-shadow: var(--shadow-md); }
.pinned .pin-icon { flex-shrink: 0; width: 40px; height: 40px; border-radius: 10px; background: var(--cc-soft); color: var(--cc); display: grid; place-items: center; }
.pinned .pin-icon svg { width: 20px; height: 20px; }
.pinned .pin-body { flex: 1; }
.pinned .pin-tag { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--cc); font-weight: 600; }
.pinned h3 { font-size: 19px; font-weight: 600; letter-spacing: -0.01em; margin-top: 6px; }
.pinned p { font-size: 14px; color: var(--text-muted); margin-top: 7px; }
.pinned .pin-meta { margin-top: 12px; font-family: var(--font-mono); font-size: 11.5px; color: var(--text-muted); }

/* Category — Filter bar */
.filterbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-bottom: 16px; border-bottom: 1px solid var(--border); margin-bottom: 6px; }
.filterbar .count { font-size: 13.5px; color: var(--text-muted); }
.filterbar .count b { color: var(--text); font-weight: 600; }
.sort { display: flex; align-items: center; gap: 8px; }
.sort label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.05em; text-transform: uppercase; color: var(--text-muted); }
.sort .seg { display: flex; gap: 2px; background: var(--bg-subtle); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 3px; }
.sort .seg button { font-size: 12.5px; font-weight: 500; color: var(--text-secondary); padding: 5px 11px; border-radius: 5px; transition: all 0.12s; }
.sort .seg button.active { background: var(--surface); color: var(--text); box-shadow: var(--shadow-sm); }

/* Category — Article rows */
.list { display: flex; flex-direction: column; }
.row { display: flex; gap: 18px; padding: 22px 0; border-bottom: 1px solid var(--border); transition: background 0.1s; }
.row .rmark { flex-shrink: 0; width: 38px; height: 38px; border-radius: 9px; background: var(--bg-subtle); border: 1px solid var(--border); display: grid; place-items: center; color: var(--text-muted); }
.row .rmark svg { width: 17px; height: 17px; }
.row .rbody { flex: 1; min-width: 0; }
.row .rtop { display: flex; align-items: center; gap: 9px; margin-bottom: 7px; flex-wrap: wrap; }
.subtag { font-family: var(--font-mono); font-size: 10.5px; font-weight: 500; padding: 2px 8px; border-radius: 5px; background: var(--cc-soft); color: var(--cc); }
.typetag { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--text-muted); border: 1px solid var(--border); border-radius: 5px; padding: 2px 7px; }
.row h3 { font-size: 17px; font-weight: 600; letter-spacing: -0.01em; line-height: 1.3; transition: color 0.12s; }
.row:hover h3 { color: var(--accent-text); }
.row p { font-size: 14px; color: var(--text-muted); margin-top: 6px; line-height: 1.5; max-width: 70ch; }
.row .rmeta { margin-top: 10px; display: flex; align-items: center; gap: 12px; font-family: var(--font-mono); font-size: 11.5px; color: var(--text-muted); }
.row .rmeta .mdot { width: 3px; height: 3px; border-radius: 50%; background: var(--border-strong); }

/* Category — Pagination */
.pager { display: flex; align-items: center; justify-content: center; gap: 6px; margin-top: 36px; }
.pager a, .pager span { min-width: 36px; height: 36px; display: grid; place-items: center; border-radius: var(--radius-sm); font-size: 13.5px; font-weight: 500; border: 1px solid var(--border); color: var(--text-secondary); padding: 0 6px; transition: all 0.12s; }
.pager a:hover { border-color: var(--border-strong); color: var(--text); }
.pager .cur { background: var(--accent); border-color: var(--accent); color: #fff; }
.pager .dots { border: none; color: var(--text-muted); }
.pager .nav svg { width: 15px; height: 15px; }

/* Category — Sidebar extras */
.cluster { display: flex; flex-wrap: wrap; gap: 8px; }
.cluster a { font-size: 12.5px; font-weight: 500; padding: 5px 11px; border-radius: 100px; border: 1px solid var(--border); background: var(--surface); color: var(--text-secondary); transition: all 0.12s; }
.cluster a:hover { border-color: var(--cc); color: var(--cc); }
.relcat { display: flex; flex-direction: column; gap: 8px; }
.relcat a { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius-sm); transition: all 0.12s; }
.relcat a:hover { border-color: var(--border-strong); }
.relcat .rd { width: 9px; height: 9px; border-radius: 3px; flex-shrink: 0; }
.relcat .rn { font-size: 13.5px; font-weight: 500; }
.relcat .rc { margin-left: auto; font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); }

/* ============================================================
   Search
   ============================================================ */
.search-top { border-bottom: 1px solid var(--border); background: var(--bg); padding: 36px 0 0; }
.search-box {
  display: flex; align-items: center; gap: 14px;
  background: var(--surface); border: 1.5px solid var(--border-strong);
  border-radius: 12px; padding: 15px 18px;
  box-shadow: var(--shadow-md); transition: border-color 0.12s, box-shadow 0.12s;
}
.search-box:focus-within { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.search-box > svg { width: 21px; height: 21px; color: var(--text-muted); flex-shrink: 0; }
.search-box input { flex: 1; border: none; background: none; outline: none; font-size: 18px; color: var(--text); }
.search-box input::placeholder { color: var(--text-muted); }
.search-box .clear { display: none; width: 26px; height: 26px; border-radius: 50%; background: var(--bg-subtle); place-items: center; color: var(--text-muted); flex-shrink: 0; }
.search-box .clear svg { width: 13px; height: 13px; }
.search-box.has-value .clear { display: grid; }
.search-box .clear:hover { color: var(--text); background: var(--bg-sunken); }
.search-stat { display: flex; align-items: center; gap: 10px; font-family: var(--font-mono); font-size: 12.5px; color: var(--text-muted); padding: 16px 2px 18px; min-height: 22px; }
.search-stat b { color: var(--text); font-weight: 600; }
.kbd-hint { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.kbd-hint .kh { display: inline-flex; align-items: center; gap: 5px; }
.kbd-hint kbd { font-family: var(--font-mono); font-size: 11px; background: var(--surface); border: 1px solid var(--border); border-bottom-width: 2px; border-radius: 5px; padding: 2px 6px; color: var(--text-secondary); min-width: 20px; text-align: center; }

.search-shell { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 40px; padding: 28px 0 64px; }
.filters { padding-top: 4px; }
.filters-sticky { position: sticky; top: 84px; display: flex; flex-direction: column; gap: 26px; }
.fgroup .ftitle { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-muted); font-weight: 500; margin-bottom: 12px; display: flex; align-items: center; justify-content: space-between; }
.fgroup .clear-f { font-size: 11px; color: var(--accent-text); text-transform: none; letter-spacing: 0; cursor: pointer; }
.fopt { display: flex; align-items: center; gap: 10px; padding: 6px 0; cursor: pointer; font-size: 13.5px; color: var(--text-secondary); transition: color 0.12s; }
.fopt:hover { color: var(--text); }
.fbox { width: 17px; height: 17px; border-radius: 5px; border: 1.5px solid var(--border-strong); flex-shrink: 0; display: grid; place-items: center; transition: all 0.12s; }
.fbox svg { width: 11px; height: 11px; color: #fff; opacity: 0; }
.fopt.on .fbox { background: var(--accent); border-color: var(--accent); }
.fopt.on .fbox svg { opacity: 1; }
.fopt.on { color: var(--text); }
.fopt .fdot { width: 8px; height: 8px; border-radius: 3px; }
.fopt .fcount { margin-left: auto; font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); }
.ftags { display: flex; flex-wrap: wrap; gap: 6px; }
.ftag { font-size: 12px; font-weight: 500; padding: 4px 10px; border-radius: 100px; border: 1px solid var(--border); background: var(--surface); color: var(--text-secondary); cursor: pointer; transition: all 0.12s; }
.ftag:hover { border-color: var(--border-strong); color: var(--text); }
.ftag.on { background: var(--accent); border-color: var(--accent); color: #fff; }

.results { min-width: 0; display: flex; flex-direction: column; }
.result { display: flex; gap: 16px; padding: 18px; border: 1px solid transparent; border-radius: var(--radius); cursor: pointer; transition: background 0.1s, border-color 0.1s; }
.result + .result { margin-top: 2px; }
.result.active { background: var(--surface); border-color: var(--border); box-shadow: var(--shadow-sm); }
.result .rmark { flex-shrink: 0; width: 36px; height: 36px; border-radius: 9px; display: grid; place-items: center; background: var(--cc-soft); color: var(--cc); }
.result .rmark svg { width: 17px; height: 17px; }
.result .rbody { flex: 1; min-width: 0; }
.result .rpath { display: flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); margin-bottom: 5px; }
.result .rpath .pd { opacity: 0.5; }
.result .rpath .pcat { color: var(--cc); font-weight: 500; }
.result h3 { font-size: 16px; font-weight: 600; letter-spacing: -0.01em; line-height: 1.3; }
.result.active h3 { color: var(--accent-text); }
.result p { font-size: 13.5px; color: var(--text-muted); margin-top: 5px; line-height: 1.5; }
.result .rmeta { margin-top: 9px; display: flex; align-items: center; gap: 10px; font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); }
.result .renter { display: flex; align-items: center; align-self: center; opacity: 0; flex-shrink: 0; color: var(--text-muted); }
.result .renter svg { width: 16px; height: 16px; }
.result.active .renter { opacity: 1; }

.state { padding: 24px 4px; }
.state .stitle { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-muted); font-weight: 500; margin-bottom: 16px; }
.pop-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.pop-item { display: flex; align-items: center; gap: 12px; padding: 13px 15px; border: 1px solid var(--border); border-radius: var(--radius); cursor: pointer; transition: all 0.12s; }
.pop-item:hover { border-color: var(--border-strong); background: var(--surface-hover); }
.pop-item .pi { width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center; background: var(--cc-soft); color: var(--cc); flex-shrink: 0; }
.pop-item .pi svg { width: 15px; height: 15px; }
.pop-item .pt { font-size: 14px; font-weight: 500; }
.pop-item .ps { font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); margin-top: 1px; }
.recent { display: flex; flex-wrap: wrap; gap: 8px; }
.recent .rq { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; padding: 6px 12px; border-radius: 100px; border: 1px solid var(--border); background: var(--surface); color: var(--text-secondary); cursor: pointer; transition: all 0.12s; }
.recent .rq:hover { border-color: var(--border-strong); color: var(--text); }
.recent .rq svg { width: 13px; height: 13px; color: var(--text-muted); }
.noresults { text-align: center; padding: 56px 20px; }
.noresults .nr-ic { width: 56px; height: 56px; margin: 0 auto 18px; border-radius: 14px; background: var(--bg-subtle); display: grid; place-items: center; color: var(--text-muted); }
.noresults .nr-ic svg { width: 26px; height: 26px; }
.noresults h3 { font-size: 18px; font-weight: 600; }
.noresults p { color: var(--text-muted); margin-top: 8px; font-size: 14px; }
.noresults .nr-q { color: var(--text); font-weight: 600; }

/* ============================================================
   Tags page
   ============================================================ */
.tags-page { padding: 48px 0 64px; }
.tags-page h1 { font-size: 32px; font-weight: 600; letter-spacing: -0.025em; margin-bottom: 32px; }
.tags-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.tag-item { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 500; padding: 8px 16px; border-radius: 100px; border: 1px solid var(--border); background: var(--surface); transition: all 0.12s; }
.tag-item:hover { border-color: var(--border-strong); background: var(--surface-hover); }
.tag-item .tcount { font-family: var(--font-mono); font-size: 11.5px; color: var(--text-muted); }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1080px) {
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .path-grid { grid-template-columns: repeat(2, 1fr); }
  .latest-grid { grid-template-columns: repeat(2, 1fr); }
  nav.primary { display: none; }
  .search-mini { min-width: 150px; }
  .article-shell { grid-template-columns: 1fr; gap: 0; }
  .article-aside { display: none; }
  .shell { grid-template-columns: 1fr; gap: 0; }
  .aside { display: none; }
}
@media (max-width: 920px) {
  .search-shell { grid-template-columns: 1fr; gap: 0; }
  .filters { display: none; }
  .kbd-hint { display: none; }
}
@media (max-width: 860px) {
  .featured-grid { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; gap: 36px; }
  .related-grid { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .foot-brand { grid-column: 1 / -1; }
}
@media (max-width: 620px) {
  .wrap { padding: 0 18px; }
  .ad-slot { padding: 0 18px; }
  .article-shell { padding: 0 18px; }
  .shell { padding: 0 18px; }
  .search-mini { display: none; }
  .menu-btn { display: grid; }
  .cat-grid, .latest-grid, .path-grid { grid-template-columns: 1fr; }
  .hero { padding: 52px 0 40px; }
  section.band { padding: 44px 0; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .prevnext { grid-template-columns: 1fr; }
  .article-head h1 { font-size: 27px; }
  .hero-row { flex-direction: column; gap: 16px; }
  .hero-mark { width: 50px; height: 50px; font-size: 22px; }
  .filterbar { flex-direction: column; align-items: flex-start; gap: 12px; }
  .pop-grid { grid-template-columns: 1fr; }
  .search-box input { font-size: 16px; }
}

/* ============================================================
   Consent banner
   ============================================================ */
.consent-banner {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 48px);
  max-width: 680px;
  z-index: 9999;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  box-shadow: 0 8px 32px rgba(0,0,0,.15);
  padding: 20px 24px;
}
.consent-inner {
  display: flex;
  align-items: center;
  gap: 24px;
}
.consent-text { flex: 1; }
.consent-text strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}
.consent-text p {
  margin: 0;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}
.consent-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}
.consent-btn {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  border: 1px solid var(--border-strong);
  transition: background 0.1s, color 0.1s;
}
.consent-decline {
  background: transparent;
  color: var(--text-muted);
}
.consent-decline:hover { background: var(--surface-raised); color: var(--text); }
.consent-accept {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.consent-accept:hover { opacity: 0.9; }
@media (max-width: 620px) {
  .consent-inner { flex-direction: column; align-items: flex-start; gap: 14px; }
  .consent-actions { width: 100%; }
  .consent-btn { flex: 1; text-align: center; }
}