/* DistantRace Docs — redesign per Claude Design handoff (DistantRace Docs.dc.html) */

@import url("https://fonts.googleapis.com/css2?family=Archivo:wght@500;600;700;800;900&family=Inter+Tight:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600;700&display=swap");

/* ---------- design tokens ---------- */

:root {
  --dr-black: #0a0a0a;
  --dr-ink: #111114;
  --dr-graphite: #1a1a1e;
  --dr-carbon: #24242a;
  --dr-steel: #3a3a42;
  --dr-smoke: #6a6a74;
  --dr-mist: #9a9aa4;
  --dr-bone: #e8e6e1;
  --dr-paper: #f4f2ed;
  --dr-white: #ffffff;
  --dr-red: #ff2d1f;
  --dr-red-deep: #c01a10;
  --dr-yellow: #ffd60a;
  --dr-blue: #2b4bff;
  --dr-blue-soft: #6c7cff;
  --dr-green: #00e57a;

  --dr-font-display: "Archivo", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --dr-font-body: "Inter Tight", "Helvetica Neue", system-ui, sans-serif;
  --dr-font-mono: "JetBrains Mono", ui-monospace, Menlo, monospace;

  --dr-shadow-card: 0 10px 30px rgba(0, 0, 0, 0.5);
  --dr-shadow-panel: 0 20px 60px rgba(0, 0, 0, 0.4);
  --dr-glow-red: 0 8px 24px rgba(255, 45, 31, 0.55), 0 0 0 5px rgba(255, 45, 31, 0.15);
  --dr-ease: cubic-bezier(0.4, 0, 0.2, 1);

  --header-h: 64px;
}

[data-doc-theme="dark"] {
  --doc-bg: #0a0a0a;
  --doc-surface: #0e0e12;
  --doc-elev: rgba(255, 255, 255, 0.035);
  --doc-border: rgba(255, 255, 255, 0.09);
  --doc-border-soft: rgba(255, 255, 255, 0.06);
  --doc-fg: #ffffff;
  --doc-fg-2: rgba(255, 255, 255, 0.62);
  --doc-fg-3: rgba(255, 255, 255, 0.42);
  --doc-hover: rgba(255, 255, 255, 0.06);
  --doc-input: rgba(255, 255, 255, 0.05);
  --doc-scrim: rgba(0, 0, 0, 0.74);
}

[data-doc-theme="light"] {
  --doc-bg: #f4f2ed;
  --doc-surface: #ffffff;
  --doc-elev: #ffffff;
  --doc-border: rgba(0, 0, 0, 0.09);
  --doc-border-soft: rgba(0, 0, 0, 0.05);
  --doc-fg: #111114;
  --doc-fg-2: #55555f;
  --doc-fg-3: #8a8a92;
  --doc-hover: rgba(0, 0, 0, 0.045);
  --doc-input: #ffffff;
  --doc-scrim: rgba(10, 10, 10, 0.55);
}

/* ---------- base ---------- */

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-padding-top: 80px; }

body {
  min-height: 100vh;
  background: var(--doc-bg);
  color: var(--doc-fg);
  font-family: var(--dr-font-body);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--dr-yellow); color: #0a0a0a; }
a { color: inherit; text-decoration: none; }

/* blue links only inside running text; components set their own colors */
.doc-content a, .search-summary a, .toc-lang-note a, .admonition a {
  color: var(--dr-blue);
}
.doc-content a:hover, .search-summary a:hover, .admonition a:hover {
  color: var(--dr-blue-soft);
}
[data-doc-theme="dark"] .doc-content a,
[data-doc-theme="dark"] .search-summary a,
[data-doc-theme="dark"] .admonition a { color: var(--dr-blue-soft); }
[data-doc-theme="dark"] .doc-content a:hover,
[data-doc-theme="dark"] .search-summary a:hover { color: #8b98ff; }

button { font-family: var(--dr-font-body); }

.mono-label {
  font-family: var(--dr-font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--doc-fg-3);
}

kbd.dr-kbd {
  font-family: var(--dr-font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  padding: 2px 6px;
  border-radius: 6px;
  background: var(--doc-hover);
  border: 1px solid var(--doc-border);
  color: var(--doc-fg-2);
}

/* signature animations */
@keyframes dr-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.4); }
}
@keyframes dr-slideup {
  from { transform: translateY(24px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.dr-live-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--dr-red);
  position: relative;
  margin-inline-end: 6px;
  flex-shrink: 0;
}
.dr-live-dot::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: var(--dr-red);
  animation: dr-pulse 1.6s infinite;
}

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 0 22px;
  background: color-mix(in srgb, var(--doc-surface) 82%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--doc-border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0;
  flex-shrink: 0;
  color: var(--doc-fg);
}
.brand:hover { color: var(--doc-fg); }
.brand .wm-bold {
  font-family: var(--dr-font-display);
  font-weight: 800;
  font-size: 21px;
  letter-spacing: -0.03em;
}
.brand .wm-light {
  font-family: var(--dr-font-display);
  font-weight: 400;
  font-size: 21px;
  letter-spacing: -0.02em;
  color: var(--doc-fg-2);
}
.brand .wm-rule {
  width: 26px;
  height: 3px;
  border-radius: 2px;
  background: var(--dr-blue);
  margin-inline-start: 2px;
  align-self: flex-end;
  margin-bottom: 7px;
}

.docs-pill {
  font-family: var(--dr-font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--doc-fg-3);
  border: 1px solid var(--doc-border);
  border-radius: 999px;
  padding: 3px 9px;
  text-transform: uppercase;
  flex-shrink: 0;
}

.header-search {
  margin-inline-start: 8px;
  flex: 1;
  max-width: 420px;
  display: flex;
  align-items: center;
  gap: 10px;
  height: 38px;
  padding: 0 12px;
  background: var(--doc-input);
  border: 1px solid var(--doc-border);
  border-radius: 12px;
  cursor: text;
  color: var(--doc-fg-3);
  font-size: 13.5px;
  transition: border-color 0.15s;
}
.header-search:hover { border-color: var(--dr-blue); }
.header-search span { flex: 1; text-align: start; }

.right-controls {
  margin-inline-start: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.ctrl-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 38px;
  padding: 0 11px;
  background: transparent;
  border: 1px solid var(--doc-border);
  border-radius: 11px;
  cursor: pointer;
  color: var(--doc-fg);
  font-size: 13px;
}
.ctrl-btn:hover { background: var(--doc-hover); }
.ctrl-btn.icon-only { width: 38px; padding: 0; justify-content: center; }

.open-app {
  display: flex;
  align-items: center;
  height: 38px;
  padding: 0 15px;
  background: var(--dr-red);
  color: #fff;
  border-radius: 11px;
  font-family: var(--dr-font-display);
  font-weight: 800;
  font-size: 12.5px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.open-app:hover { filter: brightness(1.08); color: #fff; }

/* language dropdown */

.lang-wrap { position: relative; }

.lang-panel {
  position: absolute;
  top: 46px;
  inset-inline-end: 0;
  width: 230px;
  max-height: 340px;
  overflow: auto;
  background: var(--doc-surface);
  border: 1px solid var(--doc-border);
  border-radius: 14px;
  box-shadow: var(--dr-shadow-panel);
  padding: 6px;
  z-index: 60;
  display: none;
}
.lang-panel.open { display: block; }
.lang-panel .panel-label {
  font-family: var(--dr-font-mono);
  font-size: 9.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--doc-fg-3);
  padding: 8px 10px 6px;
}
.lang-item {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 9px 10px;
  border: 0;
  background: transparent;
  border-radius: 9px;
  cursor: pointer;
  color: var(--doc-fg);
  text-align: start;
}
.lang-item:hover { background: var(--doc-hover); color: var(--doc-fg); }
.lang-item.active { background: var(--doc-hover); }
.lang-item .li-names { display: flex; flex-direction: column; line-height: 1.25; }
.lang-item .li-native { font-size: 13.5px; font-weight: 500; }
.lang-item.active .li-native { font-weight: 600; }
.lang-item .li-label { font-size: 11px; color: var(--doc-fg-3); }
.lang-item .li-code {
  font-family: var(--dr-font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--doc-fg-3);
}
.lang-item.active .li-code { color: var(--dr-blue); }
[data-doc-theme="dark"] .lang-item.active .li-code { color: var(--dr-blue-soft); }

/* ---------- home ---------- */

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--doc-border);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 80% at 82% -20%, rgba(255, 45, 31, 0.16), transparent 60%),
    radial-gradient(90% 70% at 10% 120%, rgba(43, 75, 255, 0.12), transparent 55%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  max-width: 1160px;
  margin: 0 auto;
  padding: 80px 24px 64px;
  text-align: center;
}
.hero-eyebrow {
  font-family: var(--dr-font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--dr-red);
  margin-bottom: 18px;
}
.hero h1 {
  font-family: var(--dr-font-display);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 0.98;
  font-size: clamp(38px, 6vw, 66px);
  margin: 0 0 16px;
}
.hero-sub {
  max-width: 560px;
  margin: 0 auto 34px;
  font-size: 17px;
  color: var(--doc-fg-2);
}
.hero-search {
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 14px;
  height: 58px;
  padding: 0 20px;
  background: var(--doc-surface);
  border: 1px solid var(--doc-border);
  border-radius: 16px;
  cursor: text;
  color: var(--doc-fg-3);
  box-shadow: var(--dr-shadow-card);
  font-size: 16px;
}
.hero-search:hover { border-color: var(--dr-red); }
.hero-search span { flex: 1; text-align: start; }
.hero-note {
  margin-top: 14px;
  font-family: var(--dr-font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--doc-fg-3);
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: center;
}

.home-body {
  max-width: 1160px;
  margin: 0 auto;
  padding: 56px 24px 90px;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 20px;
}
.section-head h2, .home-body > h2 {
  font-family: var(--dr-font-display);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.02em;
  margin: 0;
}
.home-body > h2 { margin-bottom: 20px; }
.section-head .head-note {
  font-family: var(--dr-font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--doc-fg-3);
}

.visited-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 64px;
}
.visited-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 18px;
  background: var(--doc-elev);
  border: 1px solid var(--doc-border);
  border-radius: 14px;
  color: var(--doc-fg);
  transition: transform 0.12s, border-color 0.15s;
}
.visited-card:hover {
  border-color: var(--dr-yellow);
  transform: translateY(-2px);
  color: var(--doc-fg);
}
.visited-card .vc-n {
  font-family: var(--dr-font-display);
  font-weight: 800;
  font-size: 22px;
  color: var(--dr-yellow);
  min-width: 34px;
}
.visited-card .vc-body { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.visited-card .vc-title { font-weight: 600; font-size: 15px; letter-spacing: -0.01em; }
.visited-card .vc-cat {
  font-family: var(--dr-font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--doc-fg-3);
}
.visited-card.featured-card:hover { border-color: var(--dr-red); }
.visited-card .vc-ico {
  min-width: 34px;
  color: var(--dr-red);
  display: flex;
  align-items: center;
}

.cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.cat-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px;
  background: var(--doc-elev);
  border: 1px solid var(--doc-border);
  border-radius: 18px;
  color: var(--doc-fg);
  transition: transform 0.12s, border-color 0.15s;
  min-height: 158px;
}
.cat-card:hover {
  border-color: var(--dr-red);
  transform: translateY(-3px);
  color: var(--doc-fg);
}
.cat-card .cc-ico {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cat-card .cc-title {
  font-family: var(--dr-font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
}
.cat-card .cc-desc { font-size: 13.5px; color: var(--doc-fg-2); line-height: 1.5; flex: 1; }
.cat-card .cc-count {
  font-family: var(--dr-font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--doc-fg-3);
}

.tint-red { background: color-mix(in srgb, var(--dr-red) 16%, transparent); color: var(--dr-red); }
.tint-blue { background: color-mix(in srgb, var(--dr-blue) 18%, transparent); color: var(--dr-blue-soft); }
.tint-yellow { background: color-mix(in srgb, var(--dr-yellow) 20%, transparent); color: var(--dr-yellow); }
.tint-green { background: color-mix(in srgb, var(--dr-green) 16%, transparent); color: var(--dr-green); }
.tint-neutral { background: var(--doc-hover); color: var(--doc-fg); }
[data-doc-theme="light"] .tint-yellow { color: #a07c00; }
[data-doc-theme="light"] .tint-green { color: #008a4a; }

/* ---------- article layout ---------- */

.article-grid {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr) 240px;
  align-items: start;
}

.sidebar {
  position: sticky;
  top: var(--header-h);
  height: calc(100vh - var(--header-h));
  overflow: auto;
  padding: 26px 14px 40px 24px;
  border-inline-end: 1px solid var(--doc-border);
}
.sidebar .nav-section-block { margin-bottom: 22px; }
.sidebar .nav-section-label {
  font-family: var(--dr-font-mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--doc-fg-3);
  padding: 0 12px;
  margin-bottom: 8px;
  display: block;
  text-decoration: none;
}
a.nav-section-label:hover { color: var(--doc-fg); }
.sidebar .nav-item {
  display: block;
  padding: 7px 12px;
  border-radius: 9px;
  font-size: 13.5px;
  color: var(--doc-fg-2);
  font-weight: 400;
  border-inline-start: 2px solid transparent;
  margin-bottom: 1px;
}
.sidebar .nav-item:hover { background: var(--doc-hover); color: var(--doc-fg); }
.sidebar .nav-item.active {
  color: var(--dr-red);
  background: color-mix(in srgb, var(--dr-red) 12%, transparent);
  font-weight: 600;
  border-inline-start-color: var(--dr-red);
}
.sidebar .nav-sub { padding-inline-start: 10px; }

.article-main {
  min-width: 0;
  padding: 34px clamp(24px, 4vw, 64px) 90px;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--dr-font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--doc-fg-3);
  margin-bottom: 20px;
}
.breadcrumbs a { color: var(--doc-fg-3); }
.breadcrumbs a:hover { color: var(--doc-fg); }
.breadcrumbs .crumb-here { color: var(--doc-fg); }

.article-title {
  font-family: var(--dr-font-display);
  font-weight: 800;
  font-size: clamp(30px, 4.4vw, 44px);
  letter-spacing: -0.03em;
  line-height: 1.02;
  margin: 0 0 16px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  padding-bottom: 22px;
  margin-bottom: 30px;
  border-bottom: 1px solid var(--doc-border);
  font-family: var(--dr-font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--doc-fg-3);
}
.article-meta span { display: flex; align-items: center; gap: 6px; }

.translation-banner { margin-bottom: 26px; }

/* ---------- markdown content ---------- */

.doc-content { font-size: 15px; }
.doc-content > p:first-of-type { font-size: 17px; line-height: 1.7; color: var(--doc-fg); }
.doc-content p { color: var(--doc-fg-2); margin: 0 0 18px; }
.doc-content strong { color: var(--doc-fg); }
.doc-content h1 { display: none; } /* page.html renders the title */
.doc-content h2 {
  font-family: var(--dr-font-display);
  font-weight: 800;
  font-size: 26px;
  letter-spacing: -0.02em;
  margin: 40px 0 14px;
  scroll-margin-top: 80px;
  color: var(--doc-fg);
}
.doc-content h3 {
  font-family: var(--dr-font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.01em;
  margin: 30px 0 12px;
  scroll-margin-top: 80px;
  color: var(--doc-fg);
}
.doc-content h4 {
  font-family: var(--dr-font-display);
  font-weight: 700;
  font-size: 16px;
  margin: 24px 0 10px;
  scroll-margin-top: 80px;
  color: var(--doc-fg);
}
.doc-content .header-anchor {
  opacity: 0;
  margin-inline-start: 8px;
  font-size: 0.8em;
  color: var(--doc-fg-3);
  font-family: var(--dr-font-mono);
  font-weight: 400;
}
.doc-content h2:hover .header-anchor,
.doc-content h3:hover .header-anchor,
.doc-content h4:hover .header-anchor { opacity: 1; }

.doc-content ul, .doc-content ol { margin: 0 0 18px; padding-inline-start: 22px; color: var(--doc-fg-2); }
.doc-content li { margin-bottom: 8px; }

.doc-content img {
  max-width: 100%;
  border-radius: 14px;
  border: 1px solid var(--doc-border);
}

.doc-content code {
  font-family: var(--dr-font-mono);
  font-size: 0.86em;
  background: var(--doc-hover);
  border: 1px solid var(--doc-border-soft);
  padding: 2px 6px;
  border-radius: 6px;
  color: var(--doc-fg);
}

.doc-content pre {
  position: relative;
  margin: 0 0 24px;
  padding: 18px 16px;
  background: #0d0d10;
  border: 1px solid var(--doc-border);
  border-radius: 14px;
  box-shadow: var(--dr-shadow-card);
  overflow: auto;
}
.doc-content pre code {
  background: none;
  border: 0;
  padding: 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: #e8e6e1;
}
.copy-btn {
  position: absolute;
  top: 10px;
  inset-inline-end: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 4px 9px;
  cursor: pointer;
  color: rgba(255, 255, 255, 0.6);
  font-family: var(--dr-font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.copy-btn:hover { color: #fff; }

.doc-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.doc-content .table-wrap {
  overflow: auto;
  border: 1px solid var(--doc-border);
  border-radius: 14px;
  margin: 0 0 24px;
}
.doc-content thead tr { background: var(--doc-hover); }
.doc-content th {
  text-align: start;
  padding: 12px 16px;
  font-family: var(--dr-font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--doc-fg-3);
  font-weight: 500;
}
.doc-content td {
  padding: 12px 16px;
  color: var(--doc-fg-2);
  border-top: 1px solid var(--doc-border);
}
.doc-content td:first-child { font-weight: 600; color: var(--doc-fg); }

.doc-content blockquote {
  margin: 0 0 18px;
  padding: 4px 18px;
  border-inline-start: 3px solid var(--doc-border);
  color: var(--doc-fg-2);
}

.doc-content hr { border: 0; border-top: 1px solid var(--doc-border); margin: 32px 0; }

/* callouts (admonitions) */

.admonition {
  display: flex;
  gap: 14px;
  padding: 16px 18px;
  border-radius: 14px;
  margin: 0 0 26px;
}
.admonition .adm-icon { flex-shrink: 0; margin-top: 1px; }
.admonition .adm-body { min-width: 0; }
.admonition .admonition-title {
  font-family: var(--dr-font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 0 0 4px;
  font-weight: 500;
}
.admonition p { font-size: 14px; color: var(--doc-fg); margin: 0 0 6px; }
.admonition p:last-child { margin-bottom: 0; }

.admonition-tip {
  background: color-mix(in srgb, var(--dr-green) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--dr-green) 40%, transparent);
}
.admonition-tip .admonition-title, .admonition-tip .adm-icon { color: var(--dr-green); }
[data-doc-theme="light"] .admonition-tip .admonition-title,
[data-doc-theme="light"] .admonition-tip .adm-icon { color: #008a4a; }

.admonition-warning {
  background: color-mix(in srgb, var(--dr-yellow) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--dr-yellow) 45%, transparent);
}
.admonition-warning .admonition-title, .admonition-warning .adm-icon { color: var(--dr-yellow); }
[data-doc-theme="light"] .admonition-warning .admonition-title,
[data-doc-theme="light"] .admonition-warning .adm-icon { color: #8a6d00; }

.admonition-note {
  background: color-mix(in srgb, var(--dr-blue) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--dr-blue) 35%, transparent);
}
.admonition-note .admonition-title, .admonition-note .adm-icon { color: var(--dr-blue-soft); }

.admonition-danger {
  background: color-mix(in srgb, var(--dr-red) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--dr-red) 40%, transparent);
}
.admonition-danger .admonition-title, .admonition-danger .adm-icon { color: var(--dr-red); }

/* ---------- feedback + pager ---------- */

.feedback-box {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  padding: 22px 24px;
  border: 1px solid var(--doc-border);
  border-radius: 16px;
  background: var(--doc-elev);
  margin: 40px 0;
  scroll-margin-top: 80px;
}
.feedback-box .fb-q {
  font-family: var(--dr-font-display);
  font-weight: 700;
  font-size: 16px;
}
.feedback-box .fb-buttons { display: flex; gap: 10px; }
.fb-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 18px;
  background: transparent;
  border: 1.5px solid var(--doc-border);
  border-radius: 11px;
  cursor: pointer;
  color: var(--doc-fg);
  font-family: var(--dr-font-display);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.fb-btn.fb-yes:hover { border-color: var(--dr-green); color: var(--dr-green); }
.fb-btn.fb-no:hover { border-color: var(--dr-red); color: var(--dr-red); }
.fb-thanks {
  display: none;
  align-items: center;
  gap: 10px;
  color: var(--dr-green);
  font-weight: 600;
}
[data-doc-theme="light"] .fb-thanks { color: #008a4a; }
.feedback-box.done .fb-thanks { display: flex; }
.feedback-box.done .fb-pending { display: none; }

.pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.pager-card {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 18px 20px;
  border: 1px solid var(--doc-border);
  border-radius: 14px;
  color: var(--doc-fg);
}
.pager-card:hover { border-color: var(--dr-blue); color: var(--doc-fg); }
.pager-card.next { text-align: end; }
.pager-card .pg-label {
  font-family: var(--dr-font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--doc-fg-3);
}
.pager-card .pg-title { font-weight: 600; }
.pager-card.empty { visibility: hidden; }

/* ---------- right TOC ---------- */

.toc {
  position: sticky;
  top: var(--header-h);
  height: calc(100vh - var(--header-h));
  overflow: auto;
  padding: 34px 24px 40px 8px;
}
.toc .toc-label {
  font-family: var(--dr-font-mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--doc-fg-3);
  margin-bottom: 12px;
}
.toc-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-inline-start: 1px solid var(--doc-border);
  margin-bottom: 26px;
}
.toc-list a {
  padding: 5px 0 5px 14px;
  margin-inline-start: -1px;
  border-inline-start: 2px solid transparent;
  font-size: 12.5px;
  color: var(--doc-fg-3);
}
.toc-list a:hover { color: var(--doc-fg); }
.toc-list a.active { border-inline-start-color: var(--dr-red); color: var(--doc-fg); }
.toc-list a.toc-l3 { padding-inline-start: 26px; }

.toc-lang-card {
  padding: 16px;
  border: 1px solid var(--doc-border);
  border-radius: 14px;
  background: var(--doc-elev);
}
.toc-lang-card .panel-label {
  font-family: var(--dr-font-mono);
  font-size: 9.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--doc-fg-3);
  margin-bottom: 8px;
}
.toc-lang-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 9px 11px;
  background: var(--doc-hover);
  border: 1px solid var(--doc-border);
  border-radius: 10px;
  cursor: pointer;
  color: var(--doc-fg);
  font-size: 13px;
}
.toc-lang-btn:hover { border-color: var(--dr-blue); }
.toc-lang-btn span { flex: 1; text-align: start; }
.toc-lang-note { margin-top: 10px; font-size: 11.5px; color: var(--doc-fg-3); line-height: 1.5; }

/* ---------- search modal ---------- */

.search-overlay {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: var(--doc-scrim);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 12vh 20px 20px;
}
.search-overlay.open { display: flex; }

.search-panel {
  width: 100%;
  max-width: 620px;
  background: var(--doc-surface);
  border: 1px solid var(--doc-border);
  border-radius: 18px;
  box-shadow: var(--dr-shadow-panel);
  overflow: hidden;
  animation: dr-slideup 0.18s var(--dr-ease);
}
.search-panel .sp-input-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--doc-border);
}
.search-panel .sp-input-row .sp-ico { color: var(--dr-red); display: flex; }
.search-panel input {
  flex: 1;
  background: transparent;
  border: 0;
  outline: none;
  color: var(--doc-fg);
  font-family: var(--dr-font-body);
  font-size: 16px;
}
.search-panel .sp-results { max-height: 52vh; overflow: auto; padding: 8px; }
.search-panel .sp-section-label {
  font-family: var(--dr-font-mono);
  font-size: 9.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--doc-fg-3);
  padding: 10px 10px 6px;
}
.sp-result {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px;
  border-radius: 11px;
  color: var(--doc-fg);
}
.sp-result:hover, .sp-result.selected { background: var(--doc-hover); color: var(--doc-fg); }
.sp-result .sr-ico {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--doc-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--dr-red);
}
.sp-result .sr-body { min-width: 0; flex: 1; }
.sp-result .sr-title { display: block; font-weight: 600; font-size: 14.5px; }
.sp-result .sr-snippet {
  display: block;
  font-size: 12.5px;
  color: var(--doc-fg-2);
  margin-top: 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sp-result .sr-score {
  flex-shrink: 0;
  font-family: var(--dr-font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--dr-green);
  padding-top: 3px;
}
[data-doc-theme="light"] .sp-result .sr-score { color: #008a4a; }
.sp-empty { padding: 18px 12px; font-size: 13.5px; color: var(--doc-fg-3); }

.search-panel .sp-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 16px;
  border-top: 1px solid var(--doc-border);
  font-family: var(--dr-font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--doc-fg-3);
}
.search-panel .sp-footer span { display: flex; align-items: center; gap: 7px; }

/* ---------- search results page (no-JS fallback) ---------- */

.search-page {
  max-width: 760px;
  margin: 0 auto;
  padding: 44px 24px 90px;
}
.search-page h1 {
  font-family: var(--dr-font-display);
  font-weight: 800;
  font-size: 32px;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
}
.search-summary { color: var(--doc-fg-2); margin: 0 0 26px; }
.semantic-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-inline-start: 10px;
  font-family: var(--dr-font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--doc-fg-3);
}
.search-results { list-style: none; margin: 0; padding: 0; }
.search-results li { margin-bottom: 12px; }
.search-results li a.result-block {
  display: block;
  padding: 16px 18px;
  background: var(--doc-elev);
  border: 1px solid var(--doc-border);
  border-radius: 14px;
  color: var(--doc-fg);
}
.search-results li a.result-block:hover { border-color: var(--dr-yellow); color: var(--doc-fg); }
.result-title { font-weight: 600; font-size: 15.5px; }
.result-snippet { margin: 4px 0 0; color: var(--doc-fg-2); font-size: 13.5px; }
.no-results { color: var(--doc-fg-3); }

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--doc-border);
  padding: 26px 22px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-family: var(--dr-font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--doc-fg-3);
}
.site-footer a { color: var(--doc-fg-3); }
.site-footer a:hover { color: var(--doc-fg); }

/* ---------- responsive ---------- */

@media (max-width: 1180px) {
  .toc { display: none; }
  .article-grid { grid-template-columns: 250px minmax(0, 1fr); }
}
@media (max-width: 900px) {
  .sidebar { display: none; }
  .article-grid { grid-template-columns: minmax(0, 1fr); }
  .header-search { display: none; }
}
@media (max-width: 640px) {
  .cat-grid { grid-template-columns: 1fr; }
  .visited-grid { grid-template-columns: 1fr; }
  .right-controls .dr-hide-sm { display: none; }
  .pager { grid-template-columns: 1fr; }
}
@media (min-width: 641px) and (max-width: 980px) {
  .visited-grid, .cat-grid { grid-template-columns: repeat(2, 1fr); }
}

/* scrollbars */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--doc-border); border-radius: 8px; }
::-webkit-scrollbar-track { background: transparent; }