/* AxoraCMS Docs — base styles */
:root {
  --bg: #fbfbfc;
  --bg-elev: #ffffff;
  --bg-soft: #f3f4f6;
  --bg-code: #f6f7f9;
  --text: #16181d;
  --text-soft: #4b5160;
  --text-mute: #80869a;
  --border: #e6e8ee;
  --border-strong: #d3d7e0;
  --accent: #e11d48;
  --accent-soft: #fff1f3;
  --accent-text: #be123c;
  --dev: #4f46e5;
  --dev-soft: #eef0ff;
  --dev-text: #4338ca;
  --ok: #059669;
  --ok-soft: #ecfdf5;
  --warn: #b45309;
  --warn-soft: #fffbeb;
  --danger: #dc2626;
  --danger-soft: #fef2f2;
  --shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 4px 16px rgba(16, 24, 40, .06);
  --radius: 12px;
  --header-h: 60px;
  --sidebar-w: 280px;
  --toc-w: 220px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0e1015;
    --bg-elev: #151820;
    --bg-soft: #1b1f29;
    --bg-code: #12151c;
    --text: #e8eaf0;
    --text-soft: #b3b8c6;
    --text-mute: #7d8496;
    --border: #252a36;
    --border-strong: #333a49;
    --accent: #fb7185;
    --accent-soft: #2a1219;
    --accent-text: #fda4af;
    --dev: #818cf8;
    --dev-soft: #1a1c38;
    --dev-text: #a5b4fc;
    --ok: #34d399;
    --ok-soft: #0f2a21;
    --warn: #fbbf24;
    --warn-soft: #2a2110;
    --danger: #f87171;
    --danger-soft: #2c1414;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 4px 16px rgba(0, 0, 0, .3);
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg: #0e1015;
  --bg-elev: #151820;
  --bg-soft: #1b1f29;
  --bg-code: #12151c;
  --text: #e8eaf0;
  --text-soft: #b3b8c6;
  --text-mute: #7d8496;
  --border: #252a36;
  --border-strong: #333a49;
  --accent: #fb7185;
  --accent-soft: #2a1219;
  --accent-text: #fda4af;
  --dev: #818cf8;
  --dev-soft: #1a1c38;
  --dev-text: #a5b4fc;
  --ok: #34d399;
  --ok-soft: #0f2a21;
  --warn: #fbbf24;
  --warn-soft: #2a2110;
  --danger: #f87171;
  --danger-soft: #2c1414;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 4px 16px rgba(0, 0, 0, .3);
  color-scheme: dark;
}

body[data-section="dev"] {
  --accent: var(--dev);
  --accent-soft: var(--dev-soft);
  --accent-text: var(--dev-text);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-padding-top: calc(var(--header-h) + 16px); -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15.5px/1.65 var(--font);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-text); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

img, video { max-width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 20px;
  background: color-mix(in srgb, var(--bg-elev) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 16px;
  color: var(--text);
  white-space: nowrap;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #e11d48, #7c3aed);
  color: #fff;
  font-size: 15px;
  font-weight: 800;
}
.brand small { font-weight: 500; color: var(--text-mute); font-size: 13px; }

.section-switch {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: var(--bg-soft);
  border-radius: 10px;
  border: 1px solid var(--border);
}
.section-switch a {
  padding: 5px 12px;
  border-radius: 7px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-soft);
  white-space: nowrap;
}
.section-switch a:hover { text-decoration: none; color: var(--text); }
.section-switch a.active { background: var(--bg-elev); color: var(--text); box-shadow: var(--shadow); }
.section-switch .short { display: none; }
.section-switch a.active[data-s="admin"] { color: #e11d48; }
.section-switch a.active[data-s="dev"] { color: #4f46e5; }
:root[data-theme="dark"] .section-switch a.active[data-s="admin"] { color: #fb7185; }
:root[data-theme="dark"] .section-switch a.active[data-s="dev"] { color: #a5b4fc; }

.header-spacer { flex: 1; }

.search-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 220px;
  padding: 7px 10px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text-mute);
  border-radius: 9px;
  font: inherit;
  font-size: 13.5px;
  cursor: pointer;
}
.search-btn kbd { margin-left: auto; }

kbd {
  font-family: var(--mono);
  font-size: 11.5px;
  padding: 1px 6px;
  border-radius: 5px;
  border: 1px solid var(--border-strong);
  background: var(--bg-elev);
  color: var(--text-soft);
}

.icon-btn {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text-soft);
  border-radius: 9px;
  cursor: pointer;
}
.icon-btn:hover { color: var(--text); border-color: var(--border-strong); }
.icon-btn svg { width: 18px; height: 18px; }
.menu-toggle { display: none; }

/* ---------- Layout ---------- */
.layout {
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr) var(--toc-w);
  max-width: 1480px;
  margin: 0 auto;
}
body.no-toc .layout { grid-template-columns: var(--sidebar-w) minmax(0, 1fr); }
body.home .layout { display: block; max-width: none; }

.sidebar {
  position: sticky;
  top: var(--header-h);
  height: calc(100vh - var(--header-h));
  overflow-y: auto;
  padding: 24px 14px 40px 20px;
  border-right: 1px solid var(--border);
}
.sidebar h4 {
  margin: 22px 10px 6px;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-mute);
  font-weight: 600;
}
.sidebar h4:first-child { margin-top: 0; }
.sidebar a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 8px;
  color: var(--text-soft);
  font-size: 14px;
}
.sidebar a:hover { background: var(--bg-soft); color: var(--text); text-decoration: none; }
.sidebar a.active { background: var(--accent-soft); color: var(--accent-text); font-weight: 600; }
.sidebar .badge { margin-left: auto; }
.sidebar .nav-ico { width: 17px; height: 17px; flex: none; opacity: .65; }
.sidebar a:hover .nav-ico, .sidebar a.active .nav-ico { opacity: 1; }

.content {
  min-width: 0;
  padding: 36px 48px 80px;
}
.content > article { max-width: 860px; }

.toc {
  position: sticky;
  top: var(--header-h);
  height: calc(100vh - var(--header-h));
  overflow-y: auto;
  padding: 36px 20px 40px 8px;
  font-size: 13px;
}
.toc p { margin: 0 0 8px; font-weight: 600; color: var(--text-mute); font-size: 11.5px; text-transform: uppercase; letter-spacing: .06em; }
.toc a { display: block; padding: 4px 0 4px 12px; color: var(--text-mute); border-left: 2px solid var(--border); }
.toc a.lvl-3 { padding-left: 24px; }
.toc a:hover { color: var(--text); text-decoration: none; }
.toc a.active { color: var(--accent-text); border-left-color: var(--accent); }

/* ---------- Typography ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--accent-text);
  background: var(--accent-soft);
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
}
article h1 { font-size: 34px; line-height: 1.2; letter-spacing: -.02em; margin: 0 0 12px; }
article .lead { font-size: 17px; color: var(--text-soft); margin: 0 0 28px; }
article h2 {
  font-size: 23px;
  letter-spacing: -.01em;
  margin: 56px 0 14px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
  padding-top: 32px;
}
article h2:first-of-type { border-top: 0; padding-top: 0; margin-top: 36px; }
article h3 { font-size: 18px; margin: 32px 0 10px; }
article p, article li { color: var(--text-soft); }
article strong { color: var(--text); }
article ul, article ol { padding-left: 22px; }
article li { margin: 4px 0; }
.anchor { margin-left: 8px; opacity: 0; color: var(--text-mute); font-weight: 400; }
h2:hover .anchor, h3:hover .anchor { opacity: 1; }

code, pre, kbd {
  font-variant-ligatures: none;
  font-feature-settings: "liga" 0, "calt" 0;
}

code {
  font-family: var(--mono);
  font-size: .86em;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 6px;
  color: var(--text);
}

.ui {
  font-weight: 600;
  color: var(--text);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 1px 7px;
  border-radius: 6px;
  font-size: .92em;
  white-space: nowrap;
}

.path {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
  font-size: 14px;
  padding: 8px 12px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-soft);
}
.path span + span::before { content: "›"; margin-right: 4px; color: var(--text-mute); }
.path span:last-child { color: var(--text); font-weight: 600; }

/* ---------- Code blocks ---------- */
pre {
  position: relative;
  margin: 16px 0 22px;
  padding: 16px 18px;
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
  font: 13.3px/1.65 var(--mono);
  color: var(--text);
}
pre code { background: none; border: 0; padding: 0; font-size: inherit; }
pre[data-lang]::before {
  content: attr(data-lang);
  position: absolute;
  top: 8px;
  right: 54px;
  font: 11px var(--font);
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-mute);
}
.copy-btn {
  position: absolute;
  top: 6px;
  right: 6px;
  padding: 3px 8px;
  font: 12px var(--font);
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text-soft);
  border-radius: 6px;
  cursor: pointer;
}
.copy-btn:hover { color: var(--text); }
.tok-k { color: #c026d3; }
.tok-s { color: #059669; }
.tok-c { color: var(--text-mute); font-style: italic; }
.tok-v { color: #2563eb; }
.tok-f { color: #d97706; }
:root[data-theme="dark"] .tok-k { color: #e879f9; }
:root[data-theme="dark"] .tok-s { color: #6ee7b7; }
:root[data-theme="dark"] .tok-v { color: #93c5fd; }
:root[data-theme="dark"] .tok-f { color: #fcd34d; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .tok-k { color: #e879f9; }
  :root:not([data-theme="light"]) .tok-s { color: #6ee7b7; }
  :root:not([data-theme="light"]) .tok-v { color: #93c5fd; }
  :root:not([data-theme="light"]) .tok-f { color: #fcd34d; }
}

/* ---------- Steps ---------- */
ol.steps { list-style: none; padding: 0; counter-reset: step; margin: 18px 0 24px; }
ol.steps > li {
  position: relative;
  counter-increment: step;
  padding: 0 0 18px 46px;
  margin: 0;
}
ol.steps > li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: -1px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-text);
  background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
}
ol.steps > li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 13.5px;
  top: 32px;
  bottom: 4px;
  width: 1px;
  background: var(--border);
}

/* ---------- Callouts ---------- */
.callout {
  display: flex;
  gap: 12px;
  padding: 14px 16px;
  margin: 18px 0;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elev);
  font-size: 14.5px;
}
.callout p { margin: 0; }
.callout p + p { margin-top: 6px; }
.callout .ico { flex: none; display: flex; padding-top: 2px; }
.callout .ico svg { width: 19px; height: 19px; }
.callout.tip .ico { color: var(--ok); }
.callout.warn .ico { color: var(--warn); }
.callout.danger .ico { color: var(--danger); }
.callout.info .ico { color: var(--accent); }
.callout.tip { background: var(--ok-soft); border-color: color-mix(in srgb, var(--ok) 30%, transparent); }
.callout.warn { background: var(--warn-soft); border-color: color-mix(in srgb, var(--warn) 30%, transparent); }
.callout.danger { background: var(--danger-soft); border-color: color-mix(in srgb, var(--danger) 30%, transparent); }
.callout.info { background: var(--accent-soft); border-color: color-mix(in srgb, var(--accent) 25%, transparent); }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; margin: 16px 0 24px; border: 1px solid var(--border); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { background: var(--bg-soft); font-weight: 600; color: var(--text); font-size: 13px; }
tr:last-child td { border-bottom: 0; }
td { color: var(--text-soft); }
td code, article p code, article li code, .callout code { overflow-wrap: anywhere; }

/* ---------- Badges ---------- */
.badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  padding: 1px 7px;
  border-radius: 999px;
  background: var(--bg-soft);
  color: var(--text-mute);
  border: 1px solid var(--border);
  vertical-align: middle;
}
.badge.opt { color: var(--warn); background: var(--warn-soft); border-color: transparent; }
.badge.req { color: var(--danger); background: var(--danger-soft); border-color: transparent; }

/* ---------- Screenshots ---------- */
figure.shot {
  margin: 18px 0 26px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elev);
  overflow: hidden;
  box-shadow: var(--shadow);
}
figure.shot .frame { position: relative; display: block; cursor: zoom-in; background: var(--bg-soft); }
figure.shot .frame::before {
  content: "";
  display: block;
  height: 26px;
  background:
    radial-gradient(circle at 14px 13px, #ff5f57 4.5px, transparent 5px),
    radial-gradient(circle at 30px 13px, #febc2e 4.5px, transparent 5px),
    radial-gradient(circle at 46px 13px, #28c840 4.5px, transparent 5px),
    var(--bg-soft);
  border-bottom: 1px solid var(--border);
}
figure.shot img { display: block; width: 100%; height: auto; }
figure.shot figcaption {
  padding: 10px 14px;
  font-size: 13.5px;
  color: var(--text-mute);
  border-top: 1px solid var(--border);
}
.placeholder {
  aspect-ratio: 16 / 10;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 24px;
  color: var(--text-mute);
  font-size: 13.5px;
  background:
    repeating-linear-gradient(45deg, transparent 0 12px, color-mix(in srgb, var(--border) 45%, transparent) 12px 13px),
    var(--bg-soft);
}
.placeholder strong { display: block; color: var(--text-soft); font-size: 15px; margin-bottom: 4px; }
.placeholder code { font-size: 12px; }

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  place-items: center;
  padding: 24px;
  background: rgba(8, 10, 14, .82);
  cursor: zoom-out;
}
.lightbox.open { display: grid; }
.lightbox img { max-height: 92vh; border-radius: 10px; box-shadow: 0 20px 60px rgba(0, 0, 0, .5); }

/* ---------- Videos ---------- */
.videos {
  margin-top: 64px;
  padding: 28px;
  border-radius: 16px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
}
.videos > h2 { margin-top: 0 !important; border-top: 0 !important; padding-top: 0 !important; }
.video-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 20px; }
.video-card { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--bg); }
.video-card video, .video-card .placeholder { display: block; width: 100%; aspect-ratio: 16 / 10; background: #000; }
.video-card .placeholder { display: grid; background: var(--bg-soft); }
.video-card .meta { padding: 12px 14px; }
.video-card h4 { margin: 0 0 2px; font-size: 14.5px; }
.video-card p { margin: 0; font-size: 13px; color: var(--text-mute); }

/* ---------- Cards (index pages) ---------- */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; margin: 20px 0 32px; }
.card {
  display: block;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elev);
  color: var(--text);
  transition: border-color .15s, transform .15s, box-shadow .15s;
}
.card:hover { text-decoration: none; border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); transform: translateY(-1px); box-shadow: var(--shadow); }
.card .card-ico {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  margin-bottom: 12px;
  border-radius: 10px;
  color: var(--accent);
  background: var(--accent-soft);
}
.card .card-ico svg { width: 20px; height: 20px; }
.card h3 { margin: 0 0 4px !important; font-size: 15.5px; }
.card p { margin: 0; font-size: 13.5px; color: var(--text-mute); line-height: 1.5; }

/* ---------- Home ---------- */
.hero {
  padding: 72px 24px 40px;
  text-align: center;
  max-width: 880px;
  margin: 0 auto;
}
.hero h1 { font-size: clamp(32px, 5vw, 52px); line-height: 1.08; letter-spacing: -.03em; margin: 0 0 16px; }
.hero h1 em {
  font-style: normal;
  background: linear-gradient(90deg, #e11d48, #7c3aed);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p { font-size: 18px; color: var(--text-soft); margin: 0 auto; max-width: 620px; }

.paths {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  max-width: 1080px;
  margin: 24px auto 0;
  padding: 0 24px;
}
.path-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 30px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.path-card:hover { text-decoration: none; border-color: var(--border-strong); }
.path-card::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: var(--c);
}
.path-card.admin { --c: #e11d48; --cs: #fff1f3; }
.path-card.dev { --c: #4f46e5; --cs: #eef0ff; }
.path-card .pc-ico {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--c) 12%, transparent);
  color: var(--c);
  margin-bottom: 18px;
}
.path-card .pc-ico svg { width: 24px; height: 24px; }
.path-card h2 { margin: 0 0 8px; font-size: 24px; letter-spacing: -.01em; }
.path-card > p { margin: 0 0 18px; color: var(--text-soft); }
.path-card ul { list-style: none; padding: 0; margin: 0 0 24px; display: grid; gap: 6px; }
.path-card li { font-size: 14px; color: var(--text-soft); padding-left: 22px; position: relative; }
.path-card li::before { content: "✓"; position: absolute; left: 0; color: var(--c); font-weight: 700; }
.path-card .go { margin-top: auto; font-weight: 600; color: var(--c); }

.home-modules { max-width: 1080px; margin: 56px auto 80px; padding: 0 24px; }
.home-modules h3 { text-align: center; font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--text-mute); margin: 0 0 18px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.chips a {
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text-soft);
  font-size: 14px;
}
.chips a:hover { text-decoration: none; color: var(--text); border-color: var(--border-strong); }

.site-footer { border-top: 1px solid var(--border); padding: 24px; text-align: center; font-size: 13px; color: var(--text-mute); }

/* ---------- Pager ---------- */
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 56px; }
.pager a { padding: 14px 16px; border: 1px solid var(--border); border-radius: var(--radius); color: var(--text); background: var(--bg-elev); }
.pager a:hover { text-decoration: none; border-color: var(--border-strong); }
.pager small { display: block; color: var(--text-mute); font-size: 12px; }
.pager .next { text-align: right; grid-column: 2; }

/* ---------- Search dialog ---------- */
.search-dialog {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 10vh 16px 16px;
  background: rgba(8, 10, 14, .5);
}
.search-dialog.open { display: flex; }
.search-panel {
  width: 100%;
  max-width: 620px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, .3);
  overflow: hidden;
}
.search-panel input {
  width: 100%;
  padding: 16px 18px;
  font: inherit;
  font-size: 16px;
  border: 0;
  border-bottom: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  outline: none;
}
.search-results { max-height: 60vh; overflow-y: auto; padding: 8px; }
.search-results a { display: block; padding: 10px 12px; border-radius: 9px; color: var(--text); }
.search-results a:hover, .search-results a.sel { background: var(--accent-soft); text-decoration: none; }
.search-results small { display: block; color: var(--text-mute); font-size: 12.5px; }
.search-results .tag { font-size: 11px; font-weight: 600; margin-right: 6px; }
.search-results .tag.admin { color: #e11d48; }
.search-results .tag.dev { color: #4f46e5; }
.search-empty { padding: 24px; text-align: center; color: var(--text-mute); font-size: 14px; }

/* ---------- Responsive ---------- */
@media (max-width: 1200px) {
  .layout { grid-template-columns: var(--sidebar-w) minmax(0, 1fr); }
  .toc { display: none; }
}

@media (max-width: 900px) {
  :root { --header-h: 56px; }
  .site-header { padding: 0 16px; gap: 10px; }
  .menu-toggle { display: grid; }
  .brand small, .search-btn span, .search-btn kbd { display: none; }
  .search-btn { min-width: 0; width: 36px; height: 36px; padding: 0; justify-content: center; }
  .layout, body.no-toc .layout { display: block; }
  .sidebar {
    position: fixed;
    top: var(--header-h);
    left: 0;
    z-index: 30;
    width: min(320px, 86vw);
    background: var(--bg-elev);
    transform: translateX(-100%);
    transition: transform .2s ease;
    box-shadow: var(--shadow);
  }
  body.nav-open .sidebar { transform: none; }
  .content { padding: 24px 16px 64px; }
  article h1 { font-size: 27px; }
  .paths { grid-template-columns: 1fr; padding: 0 16px; }
  .hero { padding: 48px 16px 24px; }
  .videos { padding: 18px; }
  .video-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .site-header { gap: 8px; padding: 0 12px; }
  .section-switch a { padding: 5px 8px; font-size: 12.5px; }
  .section-switch .full { display: none; }
  .section-switch .short { display: inline; }
  .brand > span:not(.brand-mark) { display: none; }
}

/* ---------- Server-rendered header bits ---------- */
.search-btn svg { width: 16px; height: 16px; flex: none; }
.theme-btn .theme-sun { display: none; }
.theme-btn.is-dark .theme-sun { display: block; }
.theme-btn.is-dark .theme-moon { display: none; }
.paths--single { grid-template-columns: minmax(0, 620px); justify-content: center; }

/* ---------- Error page ---------- */
.error-page { min-height: calc(100vh - var(--header-h)); display: grid; place-items: center; text-align: center; padding: 48px 16px; }
.error-page .code { font: 800 96px/1 var(--mono); background: linear-gradient(90deg, #e11d48, #7c3aed); -webkit-background-clip: text; background-clip: text; color: transparent; }
.error-page h1 { margin: 12px 0 8px; font-size: 26px; }
.error-page p { color: var(--text-soft); margin: 0 0 22px; }
.error-page a.btn { display: inline-block; padding: 10px 18px; border-radius: 10px; background: var(--accent); color: #fff; font-weight: 600; }
.error-page a.btn:hover { text-decoration: none; opacity: .92; }