/* Certification notes — standalone dark-editorial theme.
   Loaded only by the notes templates (which bypass baseof). Mirrors the
   homepage's accent (#6f72ff) with Fraunces / Manrope / JetBrains Mono. */

:root {
  --bg: #0a0a0a;
  --bg-2: #111111;
  --fg: #ededed;
  --fg-dim: #8a8a8a;
  --fg-faint: #5a5a5a;
  --rule: #1d1d1d;
  --accent: #6f72ff;
  --tag-bg: rgba(255,255,255,0.04);
  --tag-border: rgba(255,255,255,0.10);
  --font-display: "Fraunces", "Times New Roman", serif;
  --font-body: "Manrope", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}
html[data-theme="light"] {
  --bg: #f6f4ef; --bg-2: #ffffff; --fg: #161616; --fg-dim: #6a6a6a;
  --fg-faint: #a0a0a0; --rule: #e0dcd4;
  --tag-bg: rgba(0,0,0,0.035); --tag-border: rgba(0,0,0,0.10);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg); color: var(--fg);
  font-size: 16px; line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color .25s, color .25s;
}
a { color: inherit; text-decoration: none; }

/* ===== Layout ===== */
.page {
  max-width: 1040px;
  margin: 0 auto;
  padding: 64px 28px 120px;
  display: grid;
  grid-template-columns: minmax(0,1fr) 230px;
  gap: 64px;
  align-items: start;
}
.page > main { min-width: 0; }
.doc-narrow {
  max-width: 760px;
  margin: 0 auto;
  padding: 64px 28px 120px;
}
@media (max-width: 880px) {
  .page { grid-template-columns: 1fr; gap: 0; }
  .toc { display: none; }
}

/* ===== Breadcrumb ===== */
.crumb {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-dim);
  letter-spacing: 0.04em;
  margin-bottom: 44px;
  display: flex; align-items: center; gap: 10px;
}
.crumb a:hover { color: var(--accent); }
.crumb .sl { color: var(--fg-faint); }
.crumb .cur { color: var(--fg); }
.crumb .spacer { flex: 1; }
.theme-btn {
  width: 34px; height: 34px; border-radius: 999px;
  border: 1px solid var(--rule); background: transparent;
  color: var(--fg-dim); cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  transition: border-color .2s, color .2s, transform .2s;
}
.theme-btn:hover { color: var(--fg); border-color: var(--fg-dim); transform: rotate(-12deg); }
.theme-btn svg { width: 15px; height: 15px; }

/* ===== Document head (cert hero) ===== */
.doc-title {
  display: flex; align-items: center; gap: 16px;
  margin: 0 0 14px;
}
.doc-title h1 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 48px;
  line-height: 1;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--accent);
}
.doc-title .topic-h1 { font-size: 34px; }
.status-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-dim);
  border: 1px solid var(--tag-border);
  background: var(--tag-bg);
  padding: 4px 9px;
  border-radius: 4px;
  white-space: nowrap;
}
.doc-sub { font-size: 17px; color: var(--fg-dim); margin: 0 0 24px; }
.doc-intro {
  font-size: 17px; color: var(--fg);
  max-width: 62ch; text-wrap: pretty;
  margin: 0 0 18px;
}
.doc-meta {
  font-family: var(--font-mono);
  font-size: 12px; color: var(--fg-faint);
  letter-spacing: 0.04em;
  margin-bottom: 32px;
}
.doc-meta .dot { margin: 0 8px; }
.callout {
  border-left: 2px solid var(--rule);
  padding: 4px 0 4px 20px;
  color: var(--fg-dim);
  font-size: 14.5px;
  max-width: 62ch;
  text-wrap: pretty;
  margin-bottom: 64px;
}

/* ===== Content: domains + blocks (from the render hook + markdown) ===== */
.notes-content > .domain-head {
  display: flex; align-items: baseline; gap: 16px;
  margin: 56px 0 8px;
  scroll-margin-top: 32px;
}
.notes-content > .domain-head:first-child { margin-top: 0; }
.notes-content .domain-head .dnum {
  font-family: var(--font-mono);
  font-size: 13px; color: var(--accent);
  letter-spacing: 0.04em;
  flex: 0 0 auto;
}
.notes-content .domain-head h2 {
  font-family: var(--font-display);
  font-weight: 400; font-size: 28px;
  letter-spacing: -0.005em;
  margin: 0; color: var(--fg);
}
.notes-content .domain-weight {
  font-size: 14px; color: var(--fg-dim);
  margin: 0 0 18px;
}
.notes-content .domain-weight b {
  color: var(--fg); font-weight: 600;
  font-family: var(--font-mono); font-size: 12.5px;
}
.notes-content hr {
  border: none; border-top: 1px solid var(--rule);
  margin: 0 0 28px;
}

.notes-content .block-title {
  font-size: 15.5px; font-weight: 600; color: var(--fg);
  font-family: var(--font-body);
  border-left: 2px solid var(--rule);
  padding-left: 14px;
  margin: 0 0 12px;
  scroll-margin-top: 32px;
}
.notes-content ul {
  list-style: none; margin: 0 0 30px; padding: 0;
}
.notes-content .block-title.accent + ul {
  border-left: 2px solid var(--accent);
  padding-left: 18px;
}
.notes-content li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 12px;
  font-size: 15px;
  color: var(--fg);
  max-width: 70ch;
  text-wrap: pretty;
  line-height: 1.6;
}
.notes-content li::before {
  content: "·";
  position: absolute; left: 2px; top: -1px;
  color: var(--fg-faint);
  font-weight: 700;
}
.notes-content li strong, .notes-content li b { font-weight: 600; color: var(--fg); }
.notes-content code {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--fg-dim);
  background: var(--tag-bg);
  border: 1px solid var(--tag-border);
  padding: 1px 6px;
  border-radius: 3px;
  white-space: nowrap;
}
.notes-content a { color: var(--accent); }
.notes-content a:hover { text-decoration: underline; }

/* ===== TOC (sticky, scrollspy via notes.js) ===== */
.toc { position: sticky; top: 48px; align-self: start; }
.toc-label {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-faint);
  margin-bottom: 16px;
}
.toc nav#TableOfContents ul { list-style: none; margin: 0; padding: 0; }
.toc nav#TableOfContents a {
  display: block;
  font-size: 13px;
  line-height: 1.4;
  color: var(--fg-dim);
  padding: 5px 0 5px 14px;
  border-left: 1px solid var(--rule);
  transition: color .15s, border-color .15s;
}
.toc nav#TableOfContents ul ul a {
  padding-left: 26px;
  font-size: 12.5px;
  color: var(--fg-faint);
}
.toc nav#TableOfContents a:hover { color: var(--fg); }
.toc nav#TableOfContents a.active { color: var(--accent); border-left-color: var(--accent); }

/* ===== Back link ===== */
.back {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 12px;
  color: var(--fg-dim); margin-top: 24px;
  transition: color .2s, gap .2s;
}
.back:hover { color: var(--accent); gap: 12px; }

/* ===== Notes index (cards) ===== */
.cert-list { display: flex; flex-direction: column; }
.cert-row {
  display: block;
  padding: 24px 0;
  border-top: 1px solid var(--rule);
  transition: padding-left .25s ease;
}
.cert-row:last-child { border-bottom: 1px solid var(--rule); }
.cert-row:hover { padding-left: 8px; }
.cert-row-top { display: flex; align-items: center; gap: 14px; }
.cert-name {
  font-family: var(--font-display);
  font-size: 26px; font-weight: 400;
  color: var(--accent);
  letter-spacing: -0.01em;
}
.cert-full { color: var(--fg); font-size: 15px; margin-top: 6px; }
.cert-sum { color: var(--fg-dim); font-size: 14px; margin-top: 4px; max-width: 64ch; text-wrap: pretty; }
.cert-row:hover .cert-name { text-decoration: none; }

/* ===== Multi-page hub: domain/topic list ===== */
.domain-list { display: flex; flex-direction: column; }
.domain-row {
  display: block;
  padding: 22px 0;
  border-top: 1px solid var(--rule);
  transition: padding-left .25s ease;
}
.domain-row:last-child { border-bottom: 1px solid var(--rule); }
.domain-row:hover { padding-left: 8px; }
.domain-row .rownum {
  font-family: var(--font-mono); font-size: 13px;
  color: var(--accent); margin-right: 12px;
}
.domain-row .rowtitle {
  font-family: var(--font-display); font-size: 22px; font-weight: 400; color: var(--fg);
}
.domain-row:hover .rowtitle { color: var(--accent); }
.domain-row .rowdesc { color: var(--fg-dim); font-size: 14px; margin-top: 6px; max-width: 66ch; text-wrap: pretty; }

/* ===== Topic page: other topics ===== */
.other-topics {
  display: flex; flex-wrap: wrap; align-items: baseline;
  gap: 8px 18px;
  font-family: var(--font-mono); font-size: 12px;
  padding: 16px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  margin-bottom: 40px;
}
.other-topics .ol { color: var(--fg-faint); text-transform: uppercase; letter-spacing: 0.08em; }
.other-topics a { color: var(--fg-dim); }
.other-topics a:hover { color: var(--accent); }
.other-topics .cur { color: var(--fg); }