/* ═══════════════════════════════════════════════════════════════
   Streak.js Documentation
   Typefaces: Mona Sans (headings), Manrope (body), JetBrains Mono (code)
   Palette:   Electric Indigo #6171FF · Space Black #0A1521
              Space Blue #122235 · Secure Blue #3182FC
              Signal Red #FF4F4F · Status Amber #FFCC33
   ═══════════════════════════════════════════════════════════════ */

/* ─── Color System ────────────────────────────────────────────── */
:root {
  /* Primaries */
  --bg: #FFFFFF;
  --bg-sidebar: #F2F5F9;
  --bg-code: #0A1521;
  --bg-code-border: #122235;
  --bg-topbar: rgba(255, 255, 255, 0.92);
  --border: #D5DDE6;
  --border-subtle: #EBF0F5;
  /* Space Black for text, Slate Grey for muted + sidebar nav */
  --text: #0A1521;
  --text-muted: #6B7380;
  --text-sidebar: #6B7380;
  /* Electric Indigo as primary accent */
  --accent: #6171FF;
  --accent-hover: #4D5EF0;
  --accent-bg: #F0F1FF;
  --accent-border: #B0B7FF;
  --accent-glow: rgba(97, 113, 255, 0.15);
  /* Functional UI — Status Amber, Signal Red, Secure Blue, Velocity Green */
  --warning-bg: #FFFBEB;
  --warning-border: #FFCC33;
  --warning-text: #7A5C00;
  --danger-bg: #FFF2F2;
  --danger-border: #FF4F4F;
  --danger-text: #991B1B;
  --info-bg: #EEF5FF;
  --info-border: #3182FC;
  --info-text: #1E3A8A;
  --tip-bg: #F0FDF8;
  --tip-border: #33CC99;
  --tip-text: #065F46;
  --inline-code-bg: #EBF0F5;
  --inline-code-text: #4D5EF0;
  --inline-code-border: #D5DDE6;
  --topbar-height: 60px;
  --sidebar-width: 260px;
  --toc-width: 210px;
  --content-max: 780px;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow-sm: 0 1px 3px rgba(10, 21, 33, 0.05);
  --shadow-md: 0 4px 16px rgba(10, 21, 33, 0.07);
  --shadow-lg: 0 12px 40px rgba(10, 21, 33, 0.12);
  --shadow-glow: 0 0 0 1px var(--accent), 0 0 12px var(--accent-glow);
  /* Mona Sans is self-hosted; Manrope loaded via Google Fonts as fallback */
  --font-body: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-heading: "Mona Sans", "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", "Cascadia Code", Menlo, monospace;
  --noise: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E");
}

[data-theme="dark"] {
  /* Space Black bg, Space Blue sidebar */
  --bg: #0A1521;
  --bg-sidebar: #122235;
  --bg-code: #0A1521;
  --bg-code-border: #263244;
  --bg-topbar: rgba(10, 21, 33, 0.94);
  --border: #263244;
  --border-subtle: #1A2B3D;
  /* Space White text, Cool Steel for muted + sidebar nav */
  --text: #E6EDF3;
  --text-muted: #9DA7B3;
  --text-sidebar: #9DA7B3;
  /* Electric Indigo in dark mode */
  --accent: #6171FF;
  --accent-hover: #7B88FF;
  --accent-bg: #0D0F2E;
  --accent-border: #2D3580;
  --accent-glow: rgba(97, 113, 255, 0.2);
  /* Functional UI dark variants */
  --warning-bg: #1C1500;
  --warning-border: #FFCC33;
  --warning-text: #FFCC33;
  --danger-bg: #1C0808;
  --danger-border: #FF4F4F;
  --danger-text: #FF8F8F;
  --info-bg: #0A1530;
  --info-border: #3182FC;
  --info-text: #7BB5FD;
  --tip-bg: #051A10;
  --tip-border: #33CC99;
  --tip-text: #5DDBA8;
  --inline-code-bg: #122235;
  --inline-code-text: #6171FF;
  --inline-code-border: #263244;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
}

/* ─── Reset ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 15px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
  transition: background .25s ease, color .25s ease;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color .15s ease;
}
a:hover { color: var(--accent-hover); }

::selection {
  background: var(--accent);
  color: #fff;
}

/* ─── Topbar ──────────────────────────────────────────────────── */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--topbar-height);
  background: var(--bg-topbar);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.03);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  z-index: 100;
}

[data-theme="dark"] .topbar {
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.15);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: .75rem;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: .5rem;
}

.logo {
  display: flex;
  align-items: center;
}
.logo:hover { opacity: .85; }

.logo-img {
  display: block;
  height: 28px;
  width: auto;
}
[data-theme="light"] .logo-img--dark { display: none; }
[data-theme="dark"]  .logo-img--light { display: none; }

/* hamburger */
.menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.menu-btn span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: background .2s;
}

/* search trigger */
.search-trigger {
  display: flex;
  align-items: center;
  gap: .5rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 7px 14px 7px 14px;
  cursor: pointer;
  color: var(--text-muted);
  font-size: .82rem;
  font-family: var(--font-body);
  transition: border-color .2s, box-shadow .2s, background .2s;
  min-width: 220px;
}
.search-trigger:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.search-trigger-text { flex: 1; text-align: left; }

.search-kbd {
  font-family: var(--font-body);
  font-size: .65rem;
  font-weight: 600;
  background: var(--bg-sidebar);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* GitHub link */
.topbar-icon-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: var(--text-muted);
  transition: background .2s, color .2s;
}
.topbar-icon-link:hover {
  background: var(--border-subtle);
  color: var(--text);
}

/* theme toggle */
.theme-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  cursor: pointer;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s, color .2s, border-color .2s, box-shadow .2s;
}
.theme-btn:hover {
  background: var(--border-subtle);
  color: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.theme-btn svg { width: 16px; height: 16px; }

[data-theme="light"] .icon-moon { display: none; }
[data-theme="dark"]  .icon-sun  { display: none; }

/* ─── Layout ──────────────────────────────────────────────────── */
.layout {
  display: flex;
  margin-top: var(--topbar-height);
  min-height: calc(100vh - var(--topbar-height));
}

/* ─── Sidebar ─────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  border-right: 1px solid var(--border);
  background: var(--bg-sidebar);
  background-image: var(--noise);
  background-size: 256px 256px;
  position: sticky;
  top: var(--topbar-height);
  height: calc(100vh - var(--topbar-height));
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.sidebar-inner {
  padding: 1.25rem 1rem;
}

.sidebar-section {
  margin-bottom: 1.5rem;
}

.sidebar-section-label {
  font-family: var(--font-heading);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0 .5rem;
  margin-bottom: .4rem;
}

.sidebar-link {
  display: block;
  padding: .4rem .75rem;
  border-radius: var(--radius-sm);
  font-size: .85rem;
  font-weight: 400;
  color: var(--text-sidebar);
  transition: all .15s ease;
  line-height: 1.5;
  border-left: 2.5px solid transparent;
  margin-left: 2px;
}
.sidebar-link:hover {
  background: var(--border-subtle);
  color: var(--text);
  border-left-color: var(--border);
}
.sidebar-link.active {
  background: rgba(97, 113, 255, 0.1);
  color: var(--accent-hover);
  font-weight: 600;
  border-left-color: var(--accent);
}
[data-theme="dark"] .sidebar-link.active {
  background: rgba(97, 113, 255, 0.12);
  color: var(--accent);
}

.sidebar-group {
  margin-bottom: .25rem;
}

.sidebar-group-label {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-family: var(--font-heading);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: .35rem .5rem;
  margin-top: .85rem;
  cursor: pointer;
  border-radius: var(--radius-sm);
  list-style: none;
  transition: background .15s, color .15s;
  user-select: none;
}

.sidebar-group-label::-webkit-details-marker { display: none; }

.sidebar-group-label::before {
  content: "▸";
  font-size: .6rem;
  transition: transform .2s ease;
  display: inline-block;
  color: var(--text-muted);
}

details[open] > .sidebar-group-label::before {
  transform: rotate(90deg);
}

.sidebar-group-label:hover {
  background: var(--border-subtle);
  color: var(--text);
}

.sidebar-group-items {
  padding-left: .25rem;
}

.sidebar-overlay {
  display: none;
}

/* ─── Content ─────────────────────────────────────────────────── */
.content {
  flex: 1;
  min-width: 0;
  padding: 2.25rem 2.75rem 3.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: linear-gradient(180deg, var(--accent-bg) 0%, transparent 160px);
}
[data-theme="dark"] .content {
  background: linear-gradient(180deg, rgba(97, 113, 255, 0.04) 0%, transparent 160px);
}

/* ─── Breadcrumbs ─────────────────────────────────────────────── */
.breadcrumbs {
  width: 100%;
  max-width: var(--content-max);
  font-family: var(--font-body);
  font-size: .78rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
}
.breadcrumbs a {
  color: var(--text-muted);
  transition: color .15s;
}
.breadcrumbs a:hover {
  color: var(--accent);
}
.breadcrumb-sep {
  margin: 0 .4rem;
  color: var(--border);
  font-size: .7rem;
}
.breadcrumb-current {
  color: var(--text);
  font-weight: 500;
}

/* ─── Prose ───────────────────────────────────────────────────── */
.prose {
  width: 100%;
  max-width: var(--content-max);
  animation: fadeIn .4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.prose h1 {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.12;
  margin-bottom: .75rem;
  letter-spacing: -.04em;
  color: var(--text);
  background: linear-gradient(135deg, var(--text) 0%, var(--text) 55%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.prose h2 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  margin-top: 2.75rem;
  margin-bottom: .75rem;
  padding-bottom: .6rem;
  border-bottom: 1px solid var(--border);
  border-image: linear-gradient(90deg, var(--border) 0%, transparent 100%) 1;
  letter-spacing: -.03em;
  scroll-margin-top: calc(var(--topbar-height) + 1.5rem);
}

.prose h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  margin-top: 2.25rem;
  margin-bottom: .5rem;
  letter-spacing: -.02em;
  scroll-margin-top: calc(var(--topbar-height) + 1.5rem);
}

.prose h4 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  margin-top: 1.75rem;
  margin-bottom: .4rem;
  scroll-margin-top: calc(var(--topbar-height) + 1.5rem);
}

/* heading anchors */
.prose h2, .prose h3, .prose h4 { position: relative; }
.heading-anchor {
  position: absolute;
  left: -1.25em;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  opacity: 0;
  transition: opacity .2s ease, color .15s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}
.heading-anchor-icon {
  display: inline-flex;
  align-items: center;
}
.prose h2:hover .heading-anchor,
.prose h3:hover .heading-anchor,
.prose h4:hover .heading-anchor {
  opacity: .7;
}
.heading-anchor:hover {
  opacity: 1 !important;
  color: var(--accent-hover);
  filter: drop-shadow(0 0 4px var(--accent-glow));
}

.prose p {
  margin-bottom: 1.15rem;
  color: var(--text);
  line-height: 1.8;
}

.prose ul, .prose ol {
  margin-bottom: 1.15rem;
  padding-left: 1.5rem;
}
.prose li {
  margin-bottom: .35rem;
  line-height: 1.75;
}
.prose li::marker {
  color: var(--accent);
}

.prose strong { font-weight: 600; }
.prose em { font-style: italic; }

.prose hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2.25rem 0;
}

/* blockquotes / callouts */
.prose blockquote {
  border-left: 4px solid var(--accent);
  padding: .95rem 1.25rem;
  margin: 1.5rem 0;
  background: var(--accent-bg);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--text);
  font-size: .925rem;
  box-shadow: var(--shadow-sm);
}
.prose blockquote p:last-child { margin-bottom: 0; }

.prose blockquote[data-callout="warning"] {
  border-left-color: var(--warning-border);
  background: var(--warning-bg);
}
.prose blockquote[data-callout="warning"] strong { color: var(--warning-text); }

.prose blockquote[data-callout="danger"] {
  border-left-color: var(--danger-border);
  background: var(--danger-bg);
}
.prose blockquote[data-callout="danger"] strong { color: var(--danger-text); }

.prose blockquote[data-callout="note"],
.prose blockquote[data-callout="info"] {
  border-left-color: var(--info-border);
  background: var(--info-bg);
}
.prose blockquote[data-callout="note"] strong,
.prose blockquote[data-callout="info"] strong { color: var(--info-text); }

.prose blockquote[data-callout="tip"] {
  border-left-color: var(--tip-border);
  background: var(--tip-bg);
}
.prose blockquote[data-callout="tip"] strong { color: var(--tip-text); }

/* inline code */
.prose code {
  font-family: var(--font-mono);
  font-size: .82em;
  background: var(--inline-code-bg);
  color: var(--inline-code-text);
  border: 1px solid var(--inline-code-border);
  border-radius: 5px;
  padding: .15em .4em;
  font-variant-ligatures: none;
  transition: background .15s ease, border-color .15s ease;
}
.prose code:hover {
  border-color: var(--accent);
  background: var(--accent-bg);
}

/* code blocks (Shiki) — always dark */
.prose pre {
  background: var(--bg-code);
  border: none;
  border-top: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
  margin: 1.5rem 0;
  font-size: .84rem;
  line-height: 1.75;
  position: relative;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.08);
}
[data-theme="dark"] .prose pre {
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(97, 113, 255, 0.06);
}
.prose pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: inherit;
  color: #E8E6E3;
}

/* Shiki dual theme — force dark rendering always */
pre.shiki,
.prose pre.shiki {
  background-color: var(--bg-code) !important;
  color: var(--shiki-dark) !important;
}
.shiki span {
  color: var(--shiki-dark) !important;
  background-color: transparent !important;
}

/* Language label */
.prose pre[data-language]::before {
  content: attr(data-language);
  position: absolute;
  top: .5rem;
  left: 1rem;
  font-family: var(--font-body);
  font-size: .65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: #8A8780;
  pointer-events: none;
  opacity: 0;
  transition: opacity .2s;
}
.prose pre[data-language]:hover::before {
  opacity: 1;
}

/* Copy button */
.copy-btn {
  position: absolute;
  top: .55rem;
  right: .65rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: 4px 12px;
  font-size: .7rem;
  font-family: var(--font-body);
  font-weight: 500;
  color: #8A8780;
  cursor: pointer;
  opacity: 0;
  transition: opacity .2s, background .15s, color .15s, border-color .15s;
  z-index: 2;
}
.prose pre:hover .copy-btn { opacity: 1; }
.copy-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(97, 113, 255, 0.1);
}
.copy-btn.copied {
  color: var(--accent);
  border-color: var(--accent);
  opacity: 1;
}

/* tables */
.prose table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 1.5rem 0;
  font-size: .875rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.prose th {
  background: var(--bg-sidebar);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: .82rem;
  text-align: left;
  padding: .65rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
.prose th:not(:last-child),
.prose td:not(:last-child) {
  border-right: 1px solid var(--border);
}
.prose td {
  padding: .6rem 1rem;
  border-bottom: 1px solid var(--border);
}
.prose tr:last-child td { border-bottom: none; }
.prose tr:nth-child(even) td { background: rgba(0, 0, 0, 0.015); }

[data-theme="dark"] .prose tr:nth-child(even) td { background: rgba(255, 255, 255, 0.015); }

/* ─── Edit link ───────────────────────────────────────────────── */
.edit-link {
  width: 100%;
  max-width: var(--content-max);
  margin-top: 2.5rem;
}
.edit-link a {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .8rem;
  color: var(--text-muted);
  transition: color .15s;
}
.edit-link a:hover { color: var(--accent); }

/* ─── Page nav (prev / next) ──────────────────────────────────── */
.page-nav {
  width: 100%;
  max-width: var(--content-max);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.75rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border);
}

.page-nav-prev,
.page-nav-next {
  display: flex;
  flex-direction: column;
  gap: .25rem;
  padding: .85rem 1.15rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  transition: all .2s ease;
  min-width: 0;
  flex: 1;
  max-width: 48%;
}
.page-nav-prev:hover,
.page-nav-next:hover {
  border-color: var(--accent);
  background: var(--accent-bg);
  box-shadow: var(--shadow-sm), 0 0 0 3px var(--accent-glow);
  transform: translateY(-1px);
}

.page-nav-next { text-align: right; margin-left: auto; }

.page-nav-label {
  font-family: var(--font-heading);
  font-size: .7rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.page-nav-title {
  font-size: .9rem;
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ─── Table of Contents (right side) ──────────────────────────── */
.toc {
  width: var(--toc-width);
  flex-shrink: 0;
  position: sticky;
  top: var(--topbar-height);
  height: calc(100vh - var(--topbar-height));
  overflow-y: auto;
  scrollbar-width: none;
  padding: 2.25rem .75rem 2rem 0;
}
.toc::-webkit-scrollbar { display: none; }

.toc-inner {
  padding-left: 1.15rem;
  border-left: 1px solid var(--border);
}

.toc-title {
  font-family: var(--font-heading);
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
  margin-bottom: .85rem;
}

.toc-link {
  display: block;
  font-size: .78rem;
  color: var(--text-muted);
  padding: .25rem 0 .25rem .85rem;
  border-left: 2px solid transparent;
  margin-left: -1.15rem;
  transition: all .2s ease;
  line-height: 1.5;
}
.toc-link:hover {
  color: var(--text);
}
.toc-link.active {
  color: var(--accent);
  border-left-color: var(--accent);
  font-weight: 500;
  background: rgba(97, 113, 255, 0.1);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding-top: .3rem;
  padding-bottom: .3rem;
}
.toc-link.toc-h3 {
  padding-left: 1.6rem;
  font-size: .74rem;
}

/* ─── Search Modal ────────────────────────────────────────────── */
.search-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 200;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 18vh;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease;
}
.search-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.search-modal {
  width: 100%;
  max-width: 560px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: scale(.96) translateY(-12px);
  transition: transform .2s cubic-bezier(0.16, 1, 0.3, 1);
}
.search-overlay.open .search-modal {
  transform: scale(1) translateY(0);
}

.search-input-wrap {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .85rem 1.15rem;
  border-bottom: 1px solid var(--border);
}

.search-icon { color: var(--text-muted); flex-shrink: 0; }

.search-input {
  flex: 1;
  border: none;
  background: none;
  font-size: 1rem;
  font-family: var(--font-body);
  color: var(--text);
  outline: none;
}
.search-input::placeholder { color: var(--text-muted); }

.search-esc {
  font-family: var(--font-body);
  font-size: .62rem;
  font-weight: 600;
  background: var(--bg-sidebar);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 7px;
  color: var(--text-muted);
}

.search-results {
  max-height: 380px;
  overflow-y: auto;
}

.search-result {
  display: flex;
  flex-direction: column;
  gap: .15rem;
  padding: .7rem 1.15rem;
  border-bottom: 1px solid var(--border-subtle);
  transition: background .12s;
  color: var(--text);
}
.search-result:last-child { border-bottom: none; }
.search-result:hover,
.search-result.focused {
  background: var(--accent-bg);
}

.search-result-title {
  font-family: var(--font-heading);
  font-size: .875rem;
  font-weight: 600;
}

.search-result-section {
  font-family: var(--font-heading);
  font-size: .68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--accent);
}

.search-result-excerpt {
  font-size: .78rem;
  color: var(--text-muted);
  line-height: 1.55;
}

.search-empty {
  padding: 2.5rem 1rem;
  text-align: center;
  color: var(--text-muted);
  font-size: .875rem;
}

/* ─── Footer ──────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.75rem 2rem;
  text-align: center;
  font-size: .78rem;
  color: var(--text-muted);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
}
.footer-sep { color: var(--border); }
.site-footer a {
  color: var(--text-muted);
  transition: color .15s;
}
.site-footer a:hover { color: var(--accent); }

/* ─── Mobile ──────────────────────────────────────────────────── */

/* Hide TOC below 1100px */
@media (max-width: 1100px) {
  .toc { display: none; }
}

@media (max-width: 768px) {
  .menu-btn { display: flex; }

  .search-trigger-text { display: none; }
  .search-trigger { min-width: auto; border-radius: 50%; padding: 8px; }
  .search-kbd { display: none; }

  .sidebar {
    position: fixed;
    top: var(--topbar-height);
    left: 0;
    height: calc(100vh - var(--topbar-height));
    transform: translateX(-100%);
    transition: transform .3s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 90;
  }
  .sidebar.open { transform: translateX(0); }

  .sidebar-overlay {
    display: block;
    position: fixed;
    inset: var(--topbar-height) 0 0;
    background: rgba(0, 0, 0, .45);
    z-index: 89;
    opacity: 0;
    pointer-events: none;
    transition: opacity .3s;
  }
  .sidebar-overlay.show { opacity: 1; pointer-events: auto; }

  .content { padding: 1.5rem 1.15rem 2.5rem; }

  .prose h1 { font-size: 1.85rem; }
  .prose h2 { font-size: 1.35rem; }

  .page-nav { flex-direction: column; }
  .page-nav-prev,
  .page-nav-next { max-width: 100%; }
  .page-nav-next { text-align: left; margin-left: 0; }

  .search-modal { margin: 0 .75rem; max-width: calc(100vw - 1.5rem); }
  .search-overlay { padding-top: 8vh; }
}