/* =====================================================================
   MintJams Documentation — shared stylesheet
   Inherits the homepage design system (tokens, nav, buttons, footer)
   and adds the documentation hub (landing) layer on top.
   ===================================================================== */

:root {
  --bg: #FFFFFF;
  --surface: #FFFFFF;
  --surface-2: #F7F8FA;
  --surface-3: #EFF1F5;
  --ink: #0B1220;
  --ink-2: #1F2937;
  --ink-soft: #4B5563;
  --ink-mute: #9CA3AF;
  --border: #E5E7EB;
  --border-strong: #D1D5DB;

  --brand: #00B894;
  --brand-2: #00D6A7;
  --brand-ink: #00715A;
  --brand-soft: #D6F4EB;

  --accent: #2D6BFF;
  --accent-2: #4A88FF;
  --accent-soft: #DDE9FF;
  --accent-ink: #1949C2;

  --purple: #A855F7;
  --purple-ink: #6B21A8;
  --purple-soft: #F3E8FF;

  --code-bg: #0B1220;
  --code-ink: #E5E7EB;
  --code-mute: #6B7280;
  --code-green: #5EEAD4;
  --code-blue: #93C5FD;
  --code-yellow: #FCD34D;
  --code-pink: #F0ABFC;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Noto Sans JP", "IBM Plex Sans", system-ui, sans-serif;
  font-feature-settings: "palt" 1;
  -webkit-font-smoothing: antialiased;
  line-height: 1.7;
}
.latin { font-family: "IBM Plex Sans", "Noto Sans JP", system-ui, sans-serif; }
.mono { font-family: "IBM Plex Mono", ui-monospace, monospace; }

h1, h2, h3 { line-height: 1.22; letter-spacing: -0.015em; font-weight: 700; margin: 0; }
p { margin: 0; text-wrap: pretty; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
ul { margin: 0; padding: 0; list-style: none; }

.wrap { max-width: 1280px; margin: 0 auto; padding: 0 32px; }

/* === NAV (shared with homepage) === */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(14px) saturate(1.6);
  -webkit-backdrop-filter: blur(14px) saturate(1.6);
  border-bottom: 1px solid color-mix(in oklab, var(--border) 70%, transparent);
}
.nav-inner {
  display: flex; align-items: center; gap: 40px;
  padding: 14px 32px;
  max-width: 1280px; margin: 0 auto;
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 16px; letter-spacing: -0.01em; }
.logo-mark {
  width: 26px; height: 26px; border-radius: 2px;
  display: block; object-fit: cover;
  box-shadow: 0 2px 7px -2px color-mix(in oklab, var(--brand) 50%, transparent);
}
.nav-links { display: flex; gap: 28px; font-size: 14px; color: var(--ink-soft); }
.nav-links a { transition: color .15s; }
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--ink); font-weight: 500; }
.nav-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }

/* === BUTTONS (shared) === */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px; border-radius: 8px;
  font-size: 14px; font-weight: 500;
  border: 1px solid transparent;
  transition: transform .15s, background .15s, border-color .15s, box-shadow .15s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--ink); color: #fff;
  box-shadow: 0 1px 0 rgba(255,255,255,.15) inset, 0 4px 10px -2px rgba(0,0,0,.15);
}
.btn-primary:hover { background: #000; }
.btn-secondary {
  background: var(--surface); color: var(--ink);
  border-color: var(--border-strong);
}
.btn-secondary:hover { border-color: var(--ink); }
.btn-brand {
  background: linear-gradient(135deg, var(--brand-2) 0%, var(--brand) 100%);
  color: #fff;
  box-shadow: 0 1px 0 rgba(255,255,255,.3) inset, 0 6px 14px -4px color-mix(in oklab, var(--brand) 60%, transparent);
}
.btn-brand:hover { transform: translateY(-1px); box-shadow: 0 1px 0 rgba(255,255,255,.3) inset, 0 10px 20px -4px color-mix(in oklab, var(--brand) 60%, transparent); }
.btn-lg { padding: 14px 22px; font-size: 15px; }
.arrow { display: inline-block; transition: transform .15s; }
.btn:hover .arrow { transform: translateX(3px); }

/* === GITHUB MINI (shared) === */
.gh-mini {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--ink-soft);
  padding: 7px 11px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--surface);
}
.gh-mini:hover { border-color: var(--border-strong); }

/* === LANGUAGE SWITCH (shared) === */
.lang-switch {
  display: inline-flex; align-items: center; gap: 2px;
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}
.lang-switch .lang-opt {
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 12px; font-weight: 600; letter-spacing: 0.03em;
  color: var(--ink-mute);
  padding: 5px 10px; border-radius: 6px;
  transition: color .15s, background .15s;
}
.lang-switch .lang-opt:hover { color: var(--ink); }
.lang-switch .lang-opt.active { background: var(--ink); color: #fff; }

/* === DOCS HERO === */
.docs-hero { position: relative; padding: 64px 0 32px; overflow: hidden; }
.docs-hero::before {
  content: ""; position: absolute; inset: -20% 25% 50% 25%;
  background: radial-gradient(50% 50% at 50% 50%, color-mix(in oklab, var(--brand) 16%, transparent) 0%, transparent 70%);
  filter: blur(40px);
  z-index: 0;
}
.docs-hero .inner { position: relative; z-index: 1; max-width: 760px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--brand-ink);
  background: var(--brand-soft);
  border: 1px solid color-mix(in oklab, var(--brand) 35%, transparent);
  padding: 6px 12px; border-radius: 999px;
  font-weight: 500;
}
.eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--brand); box-shadow: 0 0 0 3px color-mix(in oklab, var(--brand) 25%, transparent); }
.docs-hero h1 {
  font-size: clamp(32px, 4.4vw, 50px);
  margin: 22px 0 18px;
  letter-spacing: -0.025em;
}
.docs-hero h1 .gradient {
  background: linear-gradient(110deg, var(--brand) 0%, var(--accent) 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.docs-hero p.lead { font-size: 17px; color: var(--ink-soft); max-width: 600px; }

/* "rolling out in phases" notice */
.phase-note {
  display: inline-flex; align-items: center; gap: 10px;
  margin-top: 24px;
  font-size: 13px; color: var(--ink-soft);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 16px;
}
.phase-note .badge {
  font-size: 11px; font-weight: 600; letter-spacing: 0.04em;
  color: var(--brand-ink); background: var(--brand-soft);
  border: 1px solid color-mix(in oklab, var(--brand) 30%, transparent);
  padding: 2px 8px; border-radius: 999px;
}

/* === SECTION SCAFFOLD === */
.docs-section { padding: 48px 0; }
.docs-section .sec-head { max-width: 760px; margin: 0 0 28px; }
.docs-section .sec-head .label {
  font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--brand-ink); font-weight: 500;
  display: inline-flex; align-items: center; gap: 8px;
}
.docs-section .sec-head .label::before {
  content: ""; width: 6px; height: 6px; background: var(--brand); border-radius: 50%;
}
.docs-section .sec-head h2 {
  font-size: clamp(24px, 3vw, 32px);
  margin: 12px 0 10px;
  letter-spacing: -0.02em;
}
.docs-section .sec-head p { color: var(--ink-soft); font-size: 15.5px; }

/* === PRODUCT HUBS === */
.hub-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 980px) { .hub-grid { grid-template-columns: 1fr; } }
.hub {
  position: relative;
  display: flex; flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 26px;
  transition: border-color .15s, transform .15s, box-shadow .15s;
}
a.hub:hover { border-color: var(--border-strong); transform: translateY(-2px); box-shadow: 0 18px 40px -24px rgba(11,18,32,.25); }
.hub .h-icon {
  width: 46px; height: 46px; border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.hub.platform .h-icon { background: var(--brand-soft); color: var(--brand-ink); }
.hub.commerce .h-icon { background: var(--accent-soft); color: var(--accent-ink); }
.hub.ichigo   .h-icon { background: var(--purple-soft); color: var(--purple-ink); }
.hub .h-icon svg { width: 24px; height: 24px; stroke-width: 1.8; fill: none; stroke: currentColor; }
.hub h3 { font-size: 20px; font-weight: 700; margin-bottom: 6px; letter-spacing: -0.01em; display: flex; align-items: center; gap: 10px; }
.hub h3 .latin { font-weight: 500; color: var(--ink-mute); font-size: 12px; }
.hub > p { color: var(--ink-soft); font-size: 14px; margin-bottom: 16px; }
.hub ul.toc { margin-top: auto; padding-top: 14px; border-top: 1px dashed var(--border); display: flex; flex-direction: column; gap: 9px; }
.hub ul.toc li { font-size: 13.5px; color: var(--ink-soft); display: flex; align-items: center; gap: 10px; }
.hub ul.toc li::before { content: ""; flex: none; width: 6px; height: 6px; border-radius: 50%; background: currentColor; opacity: .4; }

/* === CATEGORY CARDS (role-based, inside a product) === */
.cat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
@media (max-width: 760px) { .cat-grid { grid-template-columns: 1fr; } }
.cat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
}
.cat .c-head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.cat .c-icon {
  width: 38px; height: 38px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--ink);
}
.cat .c-icon svg { width: 19px; height: 19px; stroke-width: 1.8; fill: none; stroke: currentColor; }
.cat h4 { font-size: 16px; font-weight: 600; margin: 0; }
.cat h4 .latin { display: block; font-weight: 500; color: var(--ink-mute); font-size: 11px; letter-spacing: 0.04em; margin-top: 2px; }
.cat ul.leaves { display: flex; flex-direction: column; }
.cat ul.leaves li { border-top: 1px solid var(--border); }
.cat ul.leaves li:first-child { border-top: 0; }
.cat ul.leaves a, .cat ul.leaves span.leaf {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 0; font-size: 13.5px; color: var(--ink-soft);
  transition: color .15s;
}
.cat ul.leaves a:hover { color: var(--brand-ink); }
.cat ul.leaves a .arrow { color: var(--brand); opacity: 0; transition: opacity .15s, transform .15s; }
.cat ul.leaves a:hover .arrow { opacity: 1; }

/* "Coming soon" marker for not-yet-published pages */
.soon {
  flex: none;
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 10.5px; font-weight: 600; letter-spacing: 0.03em;
  color: var(--ink-mute);
  background: var(--surface-3);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 1px 8px;
}
span.leaf { color: var(--ink-mute); cursor: default; }

/* === FOOTER (shared) === */
footer {
  padding: 60px 0 40px;
  border-top: 1px solid var(--border);
  margin-top: 80px;
}
.foot-grid {
  display: grid; grid-template-columns: 2fr repeat(4, 1fr); gap: 40px;
  margin-bottom: 40px;
}
@media (max-width: 900px) { .foot-grid { grid-template-columns: 1fr 1fr; } }
.foot-grid h5 { font-size: 12px; font-weight: 600; color: var(--ink); text-transform: uppercase; letter-spacing: 0.08em; margin: 0 0 14px; }
.foot-grid ul { display: flex; flex-direction: column; gap: 8px; }
.foot-grid a { color: var(--ink-soft); font-size: 14px; }
.foot-grid a:hover { color: var(--ink); }
.foot-brand { max-width: 280px; }
.foot-brand p { color: var(--ink-soft); font-size: 14px; margin-top: 14px; line-height: 1.65; }
.foot-bottom {
  display: flex; align-items: center; justify-content: space-between;
  border-top: 1px solid var(--border);
  padding-top: 24px;
  font-size: 13px; color: var(--ink-mute);
}

/* === Reveal on scroll (shared) === */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s, transform .7s; }
.reveal.in { opacity: 1; transform: none; }

/* =====================================================================
   ARTICLE SHELL — sidebar | article | on-this-page
   Used by every documentation content page.
   ===================================================================== */

.docs-layout {
  display: grid;
  grid-template-columns: 268px minmax(0, 1fr) 220px;
  gap: 0;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 32px;
  align-items: start;
}
@media (max-width: 1180px) { .docs-layout { grid-template-columns: 252px minmax(0, 1fr); } }
@media (max-width: 880px)  { .docs-layout { grid-template-columns: 1fr; padding: 0 20px; } }

/* --- left sidebar --- */
.docs-sidebar {
  position: sticky; top: 57px;
  align-self: start;
  height: calc(100vh - 57px);
  overflow-y: auto;
  padding: 28px 28px 48px 0;
  border-right: 1px solid var(--border);
  font-size: 14px;
}

/* sidebar search */
.sb-search { position: relative; margin-bottom: 20px; }
.sb-search .sb-input-wrap { position: relative; }
.sb-search input {
  width: 100%;
  font-family: inherit; font-size: 13.5px;
  padding: 8px 30px 8px 32px;
  border: 1px solid var(--border-strong); border-radius: 9px;
  background: var(--surface); color: var(--ink);
  outline: none; transition: border-color .15s, box-shadow .15s;
}
.sb-search input:focus { border-color: var(--brand); box-shadow: 0 0 0 3px color-mix(in oklab, var(--brand) 18%, transparent); }
.sb-search .sb-ico {
  position: absolute; left: 10px; top: 50%; transform: translateY(-50%);
  width: 14px; height: 14px; color: var(--ink-mute); pointer-events: none;
}
.sb-search .sb-kbd {
  position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  font-family: "IBM Plex Mono", monospace; font-size: 11px; color: var(--ink-mute);
  border: 1px solid var(--border); border-radius: 4px; padding: 0 5px; background: var(--surface-2);
}
.sb-search input:focus + .sb-kbd { display: none; }
.sb-results { display: none; margin-top: 10px; }
.sb-results.show { display: block; }
.sb-results .sb-rcount { font-size: 11px; color: var(--ink-mute); margin: 2px 0 8px; }
.sb-results a {
  display: block; padding: 9px 12px; border-radius: 9px;
  border: 1px solid transparent; text-decoration: none; margin-bottom: 2px;
}
.sb-results a:hover, .sb-results a.active { background: var(--surface-2); border-color: var(--border); }
.sb-results .r-top { display: flex; align-items: center; gap: 8px; }
.sb-results .r-title { font-size: 13.5px; font-weight: 600; color: var(--ink); }
.sb-results .r-tag {
  flex: none; font-size: 10px; font-weight: 600; letter-spacing: 0.03em;
  color: var(--brand-ink); background: var(--brand-soft);
  border: 1px solid color-mix(in oklab, var(--brand) 25%, transparent);
  border-radius: 999px; padding: 0 7px;
}
.sb-results .r-tag.commerce { color: var(--accent-ink); background: var(--accent-soft); border-color: color-mix(in oklab, var(--accent) 25%, transparent); }
.sb-results .r-tag.ichigo { color: var(--purple-ink); background: var(--purple-soft); border-color: color-mix(in oklab, #A855F7 25%, transparent); }
.sb-results .r-snip { font-size: 12px; color: var(--ink-soft); margin-top: 3px; line-height: 1.5; }
.sb-results .r-snip mark, .sb-results .r-title mark { background: color-mix(in oklab, var(--brand) 30%, transparent); color: inherit; border-radius: 2px; padding: 0 1px; }
.sb-results .sb-empty { font-size: 13px; color: var(--ink-mute); padding: 8px 0; }
.docs-sidebar.searching .sb-groups { display: none; }

/* sidebar version footer */
.sb-version {
  margin-top: 28px; padding-top: 16px; border-top: 1px dashed var(--border);
  font-family: "IBM Plex Mono", monospace; font-size: 11px; color: var(--ink-mute);
}
.docs-sidebar .sb-group { margin-bottom: 22px; }
.docs-sidebar .sb-title {
  font-size: 11px; font-weight: 600; letter-spacing: 0.07em; text-transform: uppercase;
  color: var(--ink-mute);
  margin: 0 0 8px;
}
.docs-sidebar ul.sb-list { display: flex; flex-direction: column; gap: 1px; }
.docs-sidebar ul.sb-list a, .docs-sidebar ul.sb-list span.sb-soon {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 6px 12px; border-radius: 7px;
  color: var(--ink-soft); font-size: 13.5px;
  transition: background .12s, color .12s;
}
.docs-sidebar ul.sb-list a:hover { background: var(--surface-2); color: var(--ink); }
.docs-sidebar ul.sb-list a.current {
  background: var(--brand-soft); color: var(--brand-ink); font-weight: 600;
}
.docs-sidebar span.sb-soon { color: var(--ink-mute); cursor: default; }
.docs-sidebar .sb-soon-tag {
  flex: none; font-size: 10px; font-weight: 600; letter-spacing: 0.03em;
  color: var(--ink-mute); background: var(--surface-3);
  border: 1px solid var(--border); border-radius: 999px; padding: 0 7px;
}

/* sidebar mobile drawer */
.sb-toggle {
  display: none;
  align-items: center; gap: 8px;
  margin: 16px 0 0; padding: 9px 14px;
  border: 1px solid var(--border-strong); border-radius: 9px;
  background: var(--surface); color: var(--ink); font-size: 13.5px; font-weight: 500;
}
.sb-toggle svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 2; }
.sb-backdrop { display: none; }

@media (max-width: 880px) {
  .docs-sidebar {
    position: fixed; top: 0; left: 0; bottom: 0; z-index: 80;
    width: 300px; max-width: 86vw; height: 100vh;
    background: var(--surface);
    border-right: 1px solid var(--border);
    padding: 24px 20px 48px;
    transform: translateX(-100%); transition: transform .25s ease;
    box-shadow: 0 24px 60px -20px rgba(11,18,32,.3);
  }
  .docs-sidebar.open { transform: none; }
  .sb-toggle { display: inline-flex; }
  .sb-backdrop.show {
    display: block; position: fixed; inset: 0; z-index: 70;
    background: rgba(11,18,32,.4); backdrop-filter: blur(2px);
  }
}

/* --- center article --- */
.docs-article {
  min-width: 0;
  padding: 32px 48px 80px;
}
@media (max-width: 1180px) { .docs-article { padding: 32px 32px 80px; } }
@media (max-width: 880px)  { .docs-article { padding: 8px 0 64px; } }

.breadcrumb {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  font-size: 12.5px; color: var(--ink-mute);
  margin-bottom: 20px;
}
.breadcrumb a { color: var(--ink-mute); transition: color .12s; }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb .sep { color: var(--border-strong); }
.breadcrumb .here { color: var(--ink-soft); }

/* prose */
.prose { font-size: 15.5px; color: var(--ink-2); }
.prose > *:first-child { margin-top: 0; }
.prose h1 { font-size: clamp(28px, 4vw, 38px); letter-spacing: -0.025em; margin: 0 0 8px; }
.prose h2 {
  font-size: 24px; letter-spacing: -0.02em;
  margin: 48px 0 14px; padding-top: 14px;
  border-top: 1px solid var(--border);
}
.prose h3 { font-size: 18.5px; letter-spacing: -0.015em; margin: 32px 0 10px; }
.prose h4 { font-size: 15.5px; margin: 24px 0 8px; font-weight: 700; }
.prose p { margin: 14px 0; line-height: 1.8; }
.prose a {
  color: var(--brand-ink); text-decoration: underline;
  text-decoration-color: color-mix(in oklab, var(--brand) 40%, transparent);
  text-underline-offset: 2px;
}
.prose a:hover { text-decoration-color: var(--brand); }
.prose ul, .prose ol { margin: 14px 0; padding-left: 24px; }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li { margin: 7px 0; line-height: 1.75; }
.prose li::marker { color: var(--ink-mute); }
.prose strong { font-weight: 700; color: var(--ink); }
.prose hr { border: 0; border-top: 1px solid var(--border); margin: 40px 0; }
.prose img { max-width: 100%; height: auto; border-radius: 12px; border: 1px solid var(--border); margin: 18px 0; }

/* lead paragraph (first paragraph after h1) */
.prose h1 + p { font-size: 17px; color: var(--ink-soft); line-height: 1.7; }

/* inline + block code */
.prose code {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.88em;
  background: var(--surface-3);
  padding: 2px 6px; border-radius: 5px;
  color: var(--ink);
}
.prose pre {
  margin: 18px 0; padding: 18px 20px;
  background: var(--code-bg);
  border: 1px solid #1F2937; border-radius: 12px;
  overflow-x: auto;
  box-shadow: 0 18px 40px -24px rgba(11,18,32,.4);
}
.prose pre code {
  background: none; padding: 0; border-radius: 0;
  color: var(--code-ink); font-size: 13px; line-height: 1.75;
}

/* blockquote → note callout */
.prose blockquote {
  margin: 18px 0; padding: 14px 18px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--brand);
  border-radius: 10px;
  color: var(--ink-soft); font-size: 14.5px;
}
.prose blockquote p { margin: 6px 0; }
.prose blockquote > *:first-child { margin-top: 0; }
.prose blockquote > *:last-child { margin-bottom: 0; }

/* tables */
.prose .table-wrap { overflow-x: auto; margin: 18px 0; }
.prose table { width: 100%; border-collapse: collapse; font-size: 14px; }
.prose th, .prose td { text-align: left; padding: 10px 14px; border: 1px solid var(--border); vertical-align: top; }
.prose thead th { background: var(--surface-2); font-weight: 600; color: var(--ink); }
.prose tbody tr:nth-child(even) { background: var(--surface-2); }

/* heading anchor offset for sticky nav */
.prose h2[id], .prose h3[id] { scroll-margin-top: 76px; }

/* prev / next */
.doc-pager {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
  margin-top: 56px; padding-top: 28px; border-top: 1px solid var(--border);
}
@media (max-width: 560px) { .doc-pager { grid-template-columns: 1fr; } }
.doc-pager a {
  display: flex; flex-direction: column; gap: 4px;
  padding: 16px 18px; border: 1px solid var(--border); border-radius: 12px;
  transition: border-color .15s, transform .15s;
}
.doc-pager a:hover { border-color: var(--border-strong); transform: translateY(-1px); }
.doc-pager .dir { font-size: 12px; color: var(--ink-mute); }
.doc-pager .ttl { font-size: 14.5px; font-weight: 600; color: var(--ink); }
.doc-pager a.next { text-align: right; align-items: flex-end; }
.doc-pager a.next:only-child { grid-column: 2; }

/* --- right: on this page --- */
.docs-toc {
  position: sticky; top: 57px;
  align-self: start;
  max-height: calc(100vh - 57px);
  overflow-y: auto;
  padding: 36px 0 48px 24px;
  font-size: 13px;
}
@media (max-width: 1180px) { .docs-toc { display: none; } }
.docs-toc .toc-title {
  font-size: 11px; font-weight: 600; letter-spacing: 0.07em; text-transform: uppercase;
  color: var(--ink-mute); margin-bottom: 10px;
}
.docs-toc ul { display: flex; flex-direction: column; gap: 2px; border-left: 1px solid var(--border); }
.docs-toc a {
  display: block; padding: 5px 0 5px 14px; margin-left: -1px;
  border-left: 2px solid transparent;
  color: var(--ink-mute); line-height: 1.45;
  transition: color .12s, border-color .12s;
}
.docs-toc a.lvl-3 { padding-left: 26px; font-size: 12.5px; }
.docs-toc a:hover { color: var(--ink-soft); }
.docs-toc a.active { color: var(--brand-ink); border-left-color: var(--brand); font-weight: 500; }

/* loading / error states */
.docs-loading { color: var(--ink-mute); font-size: 14px; padding: 20px 0; }
.docs-error {
  padding: 16px 18px; border: 1px solid #FCA5A5; background: #FEF2F2;
  border-radius: 10px; color: #B91C1C; font-size: 14px;
}

/* === Mobile === */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .docs-section { padding: 36px 0; }
  .docs-hero { padding-top: 36px; }
}