/* Claude Code Notes — Swiss shell
   Біле поле, великий гротеск, червоний акцент, чорний рейл. */

:root {
  --bg: #fafaf8;
  --paper: #ffffff;
  --ink: #111111;
  --ink-2: #55554f;
  --ink-3: #8b8b85;
  --ink-4: #b5b5b0;
  --line: #e2e2de;
  --line-2: #c8c8c3;
  --line-soft: #ecece8;
  --tint: #f3f3f0;
  --tint-2: #f6f6f3;
  --rail: #111111;
  --rail-tile: #1c1c1c;
  --rail-line: #2a2a2a;
  --red: oklch(0.6 0.22 28);
  --code-bg: #141414;
  --code-line: #2a2a2a;
  --c-plain: #e8e8e8;
  --c-str: oklch(0.85 0.13 150);
  --c-key: oklch(0.8 0.11 260);
  --c-com: #8b8b85;
  --c-bool: oklch(0.82 0.13 60);
  --what: oklch(0.5 0.19 260);
  --eff: oklch(0.48 0.13 150);
  --note: oklch(0.45 0.12 150);
  --warn: oklch(0.5 0.12 70);
  --danger: oklch(0.52 0.2 28);
  --g: var(--red);
  --sans: 'Hanken Grotesk', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --pad: 56px;
  --bar-h: 55px;
  --sec-gap: 56px;
}
body[data-page="agents"]   { --g: oklch(0.6 0.21 28); }
body[data-page="settings"] { --g: oklch(0.55 0.19 260); }
body[data-page="skills"]   { --g: oklch(0.58 0.15 150); }
body[data-page="plugins"]  { --g: oklch(0.6 0.17 300); }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
body.locked { overflow: hidden; }
a { color: var(--red); text-decoration: none; }
a:hover { color: var(--ink); }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
:focus-visible { outline: 2px solid var(--g); outline-offset: 2px; }
.mono { font-family: var(--mono); }

/* ── LAYOUT ─────────────────────────────────────────── */
.app { display: flex; min-height: 100vh; }
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.main > main { flex: 1; }

/* ── RAIL ───────────────────────────────────────────── */
.rail {
  width: 72px; flex-shrink: 0;
  position: sticky; top: 0; height: 100vh;
  background: var(--rail);
  display: flex; flex-direction: column; align-items: center;
  padding: 16px 0; gap: 6px;
}
.rail-item {
  width: 72px; position: relative;
  display: flex; flex-direction: column; align-items: center; gap: 5px;
  padding: 6px 0;
  font-family: var(--mono); font-size: 9px; line-height: 1.2; color: var(--ink-3);
}
.rail-item:hover { color: #fff; }
.rail-item::before {
  content: ''; position: absolute; left: 0; top: 8px;
  width: 3px; height: 38px; background: transparent;
}
.rail-item.on { color: #fff; }
.rail-item.on::before { background: var(--c); }
.rail-tile {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--sans); font-size: 17px; line-height: 1;
  color: var(--c); background: var(--rail-tile); border: 1px solid var(--rail-line);
}
.rail-item.on .rail-tile { color: #fff; background: var(--c); border-color: var(--c); }
.rail-home { padding: 4px 0 8px; }
.rail-home::before { display: none; }
.rail-home .rail-tile { width: 38px; height: 38px; font-size: 16px; color: #fff; background: var(--red); border: 0; }
.rail-sep { width: 28px; height: 1px; background: var(--rail-line); margin: 4px 0 6px; }
.rail-search { margin-top: auto; }
.rail-search::before { display: none; }
.rail-search .rail-tile { font-family: var(--mono); font-size: 11px; color: #fff; background: transparent; }
.rail-search:hover .rail-tile { border-color: #fff; }

/* ── PANEL ──────────────────────────────────────────── */
.panel {
  width: 268px; flex-shrink: 0;
  position: sticky; top: 0; height: 100vh;
  background: var(--paper); border-right: 1px solid var(--line);
  display: flex; flex-direction: column;
}
body[data-page="home"] .panel { display: none; }
.panel-head {
  padding: 24px 22px 20px; border-bottom: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 7px;
}
.eyebrow { font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--g); line-height: 1.4; }
.panel-title { font-size: 24px; font-weight: 800; letter-spacing: -0.03em; line-height: 1.1; }
.panel-desc { font-size: 14px; color: var(--ink-2); line-height: 1.45; }
.panel-meta { font-family: var(--mono); font-size: 10px; color: var(--ink-3); margin-top: 3px; line-height: 1.4; }
.panel-nav { flex: 1; overflow-y: auto; padding: 6px 0 20px; scrollbar-width: thin; }
.panel-foot { padding: 14px 22px; border-top: 1px solid var(--line); font-family: var(--mono); font-size: 10px; color: var(--ink-3); line-height: 1.4; }

.nav-group {
  padding: 16px 22px 5px;
  font-family: var(--mono); font-size: 9px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-3); line-height: 1.4;
}
.nav-item {
  display: flex; align-items: baseline; gap: 10px;
  padding: 7px 22px 7px 20px;
  font-size: 14px; line-height: 1.3; color: var(--ink-2);
  border-left: 3px solid transparent;
}
.nav-item:hover { color: var(--ink); }
.nav-n { font-family: var(--mono); font-size: 10px; color: var(--ink-3); min-width: 16px; }
.nav-item.on { color: var(--ink); background: var(--tint); border-left-color: var(--g); font-weight: 700; }
.nav-item.on .nav-n { color: var(--g); }

/* ── TOP BAR ────────────────────────────────────────── */
.bar { position: sticky; top: 0; z-index: 30; background: var(--bg); }
.topbar {
  height: 52px; border-bottom: 1px solid var(--line);
  display: flex; align-items: center; gap: 8px; padding: 0 28px;
  font-family: var(--mono); font-size: 11px; color: var(--ink-3); line-height: 1.3;
  white-space: nowrap;
}
.topbar .host { color: var(--ink-2); }
.topbar .host:hover { color: var(--ink); }
.crumbs { display: flex; gap: 8px; min-width: 0; overflow: hidden; }
.crumbs .slug { color: var(--g); }
.crumbs .cur { color: var(--ink); overflow: hidden; text-overflow: ellipsis; }
.top-search {
  margin-left: auto; width: 260px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: space-between;
  border: 1px solid var(--line-2); background: var(--paper); padding: 6px 10px;
  font-family: var(--mono); font-size: 11px; color: var(--ink-3);
}
.top-search:hover { border-color: var(--ink); }
.kbd { border: 1px solid var(--line); padding: 0 5px; color: var(--ink-2); font-family: var(--mono); }
.progress { height: 3px; background: var(--line-soft); }
.progress span { display: block; height: 3px; width: 0; background: var(--g); transition: width 0.1s linear; }

.mbar { display: none; }

/* ── HERO ───────────────────────────────────────────── */
.hero { padding: 64px var(--pad) 52px; border-bottom: 2px solid var(--ink); }
.hero-meta {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  margin-bottom: 26px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); line-height: 1.5;
}
.hero-tag { background: var(--g); color: #fff; padding: 3px 10px; font-size: 10px; }
.hero h1 {
  font-size: clamp(48px, 4.7vw, 68px); font-weight: 800; line-height: 1; letter-spacing: -0.045em;
  margin: 0 0 24px; max-width: 900px; text-wrap: balance;
}
.hero h1 .accent { color: var(--g); }
.lead { font-size: 20px; color: var(--ink-2); line-height: 1.5; max-width: 660px; margin: 0; text-wrap: pretty; }

/* ── HOME ───────────────────────────────────────────── */
.home-hero { padding: 64px var(--pad) 52px; }
.home-hero .hero-meta { margin-bottom: 28px; }
.home-hero h1 { font-size: clamp(56px, 6.4vw, 92px); line-height: 0.98; max-width: 980px; margin-bottom: 26px; }
.home-hero .lead { max-width: 640px; margin-bottom: 32px; }
.big-search {
  width: 100%; max-width: 560px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  border: 2px solid var(--ink); background: var(--paper); padding: 14px 16px; text-align: left;
}
.big-search:hover { background: var(--tint); }
.big-search span:first-child { font-size: 16px; color: var(--ink-2); }
.big-search .kbd { font-size: 12px; border-color: var(--line-2); padding: 1px 7px; }

.block { padding: 48px var(--pad) 72px; }
.block-head {
  display: flex; align-items: baseline; justify-content: space-between;
  font-family: var(--mono); font-size: 11px; line-height: 1.4;
}
.block-head .label { font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; }
.block-head .count { color: var(--ink-3); }
.cards {
  margin-top: 18px;
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px; background: var(--line); border: 1px solid var(--line);
}
@media (min-width: 1180px) {
  .cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .cards:has(> .card:nth-child(3n+1):last-child)::after { content: ''; grid-column: span 2; background: var(--paper); }
  .cards:has(> .card:nth-child(3n+2):last-child)::after { content: ''; background: var(--paper); }
}
@media (min-width: 820px) and (max-width: 1179px) {
  .cards:has(> .card:last-child:nth-child(odd))::after { content: ''; background: var(--paper); }
}
.card {
  background: var(--paper); color: var(--ink);
  padding: 26px 24px 22px; min-height: 250px;
  display: flex; flex-direction: column; gap: 12px; line-height: 1.5;
}
.card:hover { background: var(--tint-2); color: var(--ink); }
.card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.card-no { font-size: 56px; font-weight: 800; letter-spacing: -0.05em; line-height: 0.9; color: var(--c); }
.card-tag {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; line-height: 1.5;
  padding: 2px 7px; color: var(--ink-2); background: var(--paper); border: 1px solid var(--line-2);
}
.card-tag.draft { color: var(--c); background: color-mix(in oklch, var(--c) 10%, #fff); border-color: var(--c); }
.card-title { font-size: 26px; font-weight: 800; letter-spacing: -0.03em; line-height: 1.1; margin-top: 8px; }
.card-desc { font-size: 15px; color: var(--ink-2); flex: 1; }
.card-foot {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 14px; border-top: 1px solid var(--line);
  font-family: var(--mono); font-size: 11px;
}
.card-foot .meta { color: var(--ink-3); }
.card-foot .cta { color: var(--c); font-weight: 700; }

.updates-head { margin-top: 56px; padding-bottom: 12px; border-bottom: 2px solid var(--ink); }
.upd {
  display: grid; grid-template-columns: 120px 150px minmax(0, 1fr); gap: 6px 20px; align-items: baseline;
  padding: 14px 0; border-bottom: 1px solid var(--line); color: var(--ink); line-height: 1.5;
}
.upd:hover { background: var(--tint-2); color: var(--ink); }
.upd-date { font-family: var(--mono); font-size: 11px; color: var(--ink-3); }
.upd-guide { font-family: var(--mono); font-size: 11px; font-weight: 700; color: var(--c); }
.upd-text { font-size: 16px; }

/* ── GUIDE BODY ─────────────────────────────────────── */
.guide { padding: 0 var(--pad) 72px; max-width: 900px; }
.sec { padding-top: var(--sec-gap); scroll-margin-top: calc(var(--bar-h) - var(--sec-gap) + 8px); }
.sec-head {
  border-top: 2px solid var(--ink); padding-top: 16px; margin-bottom: 22px;
  display: flex; align-items: baseline; gap: 16px;
}
.sec-n { font-family: var(--mono); font-size: 12px; font-weight: 700; color: var(--g); min-width: 24px; }
.sec-titles { flex: 1; min-width: 0; }
.sec h2 { font-size: 32px; font-weight: 800; letter-spacing: -0.03em; line-height: 1.12; margin: 0; text-wrap: balance; }
.sec h2 code { font-size: 0.8em; }
.sec-sub { margin: 6px 0 0; font-size: 15px; color: var(--ink-2); line-height: 1.45; }
.sec-anchor { font-family: var(--mono); font-size: 15px; color: var(--ink-4); padding: 0 4px; }
.sec-anchor:hover { color: var(--ink); }

.guide h3 { font-size: 20px; font-weight: 700; letter-spacing: -0.02em; margin: 30px 0 10px; line-height: 1.25; }
.guide p { margin: 0 0 16px; text-wrap: pretty; }
.guide strong { font-weight: 700; color: var(--ink); }
.guide em { font-style: italic; }
.dim { color: var(--ink-3); }
.guide code {
  font-family: var(--mono); font-size: 0.8em; font-weight: 500;
  background: #f0f0ec; border: 1px solid var(--line); padding: 1px 5px;
  color: oklch(0.5 0.2 28); overflow-wrap: anywhere;
}
.guide ol, .guide ul { list-style: none; margin: 0 0 18px; padding: 0; }
.guide ol { counter-reset: li; }
.guide li { position: relative; padding: 5px 0 5px 30px; }
.guide ol > li { counter-increment: li; }
.guide ol > li::before {
  content: counter(li) '.'; position: absolute; left: 0; top: 8px;
  font-family: var(--mono); font-size: 12px; font-weight: 700; line-height: 1.5; color: var(--g);
}
.guide ul > li::before {
  content: ''; position: absolute; left: 2px; top: 16px;
  width: 6px; height: 6px; background: var(--g);
}

/* callout */
.callout { background: var(--tint); border-top: 3px solid var(--g); padding: 16px 20px; margin: 22px 0; font-size: 15.5px; line-height: 1.6; }
.callout-label {
  font-family: var(--mono); font-size: 10px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--g); margin-bottom: 6px; line-height: 1.5;
}
.callout .code { margin-bottom: 4px; }

/* code */
.code { margin: 18px 0 22px; background: var(--code-bg); }
.code-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 8px 10px 8px 16px; border-bottom: 1px solid var(--code-line);
  font-family: var(--mono); font-size: 11px; line-height: 1.5; color: var(--ink-4);
}
.code-file { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.code-copy {
  flex-shrink: 0; font-family: var(--mono); font-size: 11px; line-height: 1.5;
  color: var(--ink-4); border: 1px solid #3a3a3a; padding: 3px 10px;
}
.code-copy:hover { border-color: #fff; color: #fff; }
.code-copy.done { color: var(--c-str); }
.code pre, .diagram {
  margin: 0; padding: 16px 18px;
  font-family: var(--mono); font-size: 12.5px; line-height: 1.7;
  overflow-x: auto; white-space: pre; color: var(--c-plain); tab-size: 2;
}
.code .str { color: var(--c-str); }
.code .key, .code .acc, .code .fn, .code .dir { color: var(--c-key); }
.code .kw, .code .bool, .code .num { color: var(--c-bool); }
.code .cm, .code .cmt, .code .comment { color: var(--c-com); font-style: italic; }
.code .file-commit { color: var(--c-str); }
.code .file-no { color: oklch(0.72 0.17 28); }
.code-trace pre { color: var(--ink-4); }
.code-trace .key, .code-trace .str { font-style: normal; }

/* diagram (light, monospace scheme) */
.diagram {
  background: var(--paper); border: 1px solid var(--line); border-left: 3px solid var(--g);
  color: var(--ink-2); margin: 18px 0 22px;
}
.diagram .node { color: var(--ink); font-weight: 700; }
.diagram .acc { color: var(--g); font-weight: 700; }
.diagram .arrow { color: var(--ink-4); }
.diagram .label, .diagram .cm { color: var(--ink-3); font-style: italic; }
.diagram .result { color: var(--ink); font-weight: 700; }

/* tables */
.table-wrap { margin: 18px 0 22px; overflow-x: auto; border: 1px solid var(--line); background: var(--paper); }
.table-wrap table { width: 100%; border-collapse: collapse; font-size: 14px; line-height: 1.5; }
.table-wrap th {
  text-align: left; padding: 10px 14px; border-bottom: 2px solid var(--ink);
  font-family: var(--mono); font-size: 10px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3);
  white-space: nowrap;
}
.table-wrap td { padding: 10px 14px; border-bottom: 1px solid var(--line-soft); vertical-align: top; color: var(--ink-2); }
.table-wrap tr:last-child td { border-bottom: 0; }
.table-wrap td:first-child { color: var(--ink); font-weight: 600; }
.table-wrap td code { white-space: nowrap; }
.badge {
  display: inline-block; margin-right: 4px;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.04em; line-height: 1.5;
  padding: 1px 7px; border: 1px solid var(--line-2); color: var(--ink-2); white-space: nowrap;
}
.badge-gold { background: var(--ink); color: #fff; border-color: var(--ink); }
.badge-blue { color: var(--what); border-color: currentColor; }
.badge-green { color: var(--eff); border-color: currentColor; }

/* checklist */
.checklist { margin: 18px 0 22px; border-top: 1px solid var(--line); }
.checklist-item { display: flex; gap: 14px; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 15.5px; line-height: 1.55; }
.check-icon {
  flex-shrink: 0; width: 22px; height: 22px; margin-top: 1px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-size: 12px; font-weight: 700; color: #fff;
}
.check-icon.yes { background: var(--eff); }
.check-icon.no { background: var(--danger); }
.check-text { color: var(--ink-2); }

/* token comparison */
.token-compare { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin: 18px 0 12px; }
.token-box { background: var(--paper); padding: 16px 18px; }
.box-title { font-family: var(--mono); font-size: 10px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 8px; }
.token-box.bad .box-title { color: var(--danger); }
.token-box.good .box-title { color: var(--eff); }
.token-row { display: flex; justify-content: space-between; gap: 12px; padding: 6px 0; border-bottom: 1px solid var(--line-soft); font-size: 14px; line-height: 1.45; color: var(--ink-2); }
.tval { font-family: var(--mono); font-size: 13px; color: var(--ink); white-space: nowrap; }
.token-total { border-bottom: 0; border-top: 2px solid var(--ink); margin-top: 4px; font-weight: 700; color: var(--ink); }
.token-box.bad .token-total .tval { color: var(--danger); font-weight: 700; }
.token-box.good .token-total .tval { color: var(--eff); font-weight: 700; }
.saving-badge {
  display: inline-block; margin: 0 0 22px; padding: 4px 12px;
  background: var(--eff); color: #fff;
  font-family: var(--mono); font-size: 12px; font-weight: 700; letter-spacing: 0.04em;
}

/* resources */
.resources { margin: 18px 0 22px; border-top: 2px solid var(--ink); }
.resource-link {
  display: block; padding: 12px 0; overflow-wrap: anywhere;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono); font-size: 13px; line-height: 1.5; color: var(--ink);
}
.resource-link::before { content: '↗'; color: var(--g); font-weight: 700; margin-right: 12px; }
.resource-link:hover { background: var(--tint-2); color: var(--g); }

/* settings params */
.param { background: var(--paper); border: 1px solid var(--line); margin: 0 0 18px; transition: box-shadow 0.3s; }
.param { scroll-margin-top: calc(var(--bar-h) + 16px); }
.param.flash { box-shadow: 0 0 0 3px color-mix(in oklch, var(--g) 35%, transparent); }
.param-top { padding: 14px 18px; display: flex; align-items: center; flex-wrap: wrap; gap: 10px; line-height: 1.4; }
.param-key { font-family: var(--mono); font-size: 14px; font-weight: 700; overflow-wrap: anywhere; }
.param-type { font-family: var(--mono); font-size: 10px; padding: 2px 7px; border: 1px solid var(--line-2); color: var(--ink-2); }
.param-managed { font-family: var(--mono); font-size: 10px; padding: 2px 7px; background: var(--ink); color: #fff; }
.param-explain { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 1px; background: var(--line); border-top: 1px solid var(--line); }
.explain-box { overflow-wrap: anywhere; background: var(--paper); padding: 14px 18px; font-size: 15px; line-height: 1.55; }
.explain-box p { margin: 0; color: var(--ink-2); }
.explain-label { font-family: var(--mono); font-size: 10px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 6px; line-height: 1.5; }
.explain-what .explain-label { color: var(--what); }
.explain-effect .explain-label { color: var(--eff); }
.param-body {
  border-top: 1px solid var(--line); background: var(--tint-2); padding: 16px 18px;
  display: flex; flex-direction: column; gap: 10px;
}
.param-body > * { margin: 0; }
.case-label {
  align-self: flex-start;
  font-family: var(--mono); font-size: 10px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; line-height: 1.5;
  padding: 3px 9px; border: 1px solid var(--ink);
}
.etable-wrap { overflow-x: auto; }
.etable { width: 100%; border-collapse: collapse; background: var(--paper); border: 1px solid var(--line); font-size: 14px; line-height: 1.5; }
.etable td { padding: 10px 14px; border-bottom: 1px solid var(--line-soft); vertical-align: top; color: var(--ink-2); }
.etable td:first-child { width: 38%; font-family: var(--mono); font-size: 12px; font-weight: 700; color: var(--ink); overflow-wrap: anywhere; }
.etable tr:last-child td { border-bottom: 0; }
.note, .warn, .dnote {
  --nc: var(--note);
  font-family: var(--mono); font-size: 12px; line-height: 1.55; padding: 9px 12px;
  color: var(--nc); background: color-mix(in oklch, var(--nc) 8%, #fff); border: 1px solid color-mix(in oklch, var(--nc) 30%, #fff);
}
.warn { --nc: var(--warn); }
.dnote { --nc: var(--danger); }
.note code, .warn code, .dnote code { background: transparent; border: 0; padding: 0; color: inherit; font-size: 1em; }

.placeholder {
  height: 96px; border: 1px dashed var(--line-2);
  background: repeating-linear-gradient(135deg, var(--tint) 0 10px, var(--line-soft) 10px 20px);
  display: flex; align-items: center; justify-content: center; padding: 0 16px; text-align: center;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; color: var(--ink-3);
}

/* prev / next */
.pn { margin-top: 72px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 1px; background: var(--line); border-top: 2px solid var(--ink); }
.pn a { background: var(--bg); display: flex; flex-direction: column; gap: 6px; line-height: 1.3; }
.pn a:hover { background: var(--tint); }
.pn-prev { padding: 20px 4px 20px 0; }
.pn-next { padding: 20px 0 20px 16px; align-items: flex-end; text-align: right; }
.pn-label { font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-3); }
.pn-title { font-size: 24px; font-weight: 800; letter-spacing: -0.03em; }

/* footer */
.foot {
  border-top: 1px solid var(--line); padding: 22px var(--pad);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px;
  font-family: var(--mono); font-size: 11px; line-height: 1.5; color: var(--ink-3);
}

/* ── DRAWER (mobile) ────────────────────────────────── */
.drawer { position: fixed; inset: 0; z-index: 50; display: none; }
.drawer.open { display: block; }
.scrim { position: absolute; inset: 0; background: rgba(17, 17, 17, 0.5); }
.drawer-box {
  position: absolute; left: 0; top: 0; bottom: 0; width: 86%; max-width: 320px;
  background: var(--paper); display: flex; flex-direction: column;
}
.drawer-body { flex: 1; overflow-y: auto; padding-bottom: 24px; }
.drawer .nav-group { padding: 16px 18px 5px; }
.drawer-label { padding: 18px 18px 6px; }
.dg {
  display: flex; align-items: center; gap: 12px; min-height: 48px; padding: 0 18px 0 15px;
  border-left: 3px solid transparent; color: var(--ink); line-height: 1.3;
}
.dg:hover { color: var(--ink); }
.dg.on { border-left-color: var(--c); background: var(--tint); }
.dg-icon { width: 28px; height: 28px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-size: 13px; color: #fff; background: var(--c); }
.dg-title { font-size: 16px; font-weight: 700; letter-spacing: -0.01em; }
.dg-no { margin-left: auto; font-family: var(--mono); font-size: 10px; color: var(--ink-3); }
.drawer-nav { margin-top: 10px; border-top: 1px solid var(--line); }
.drawer .nav-item { align-items: center; min-height: 44px; padding: 0 18px 0 15px; font-size: 15px; }
.drawer .nav-n { min-width: 18px; }

.mhead {
  height: 56px; flex-shrink: 0; background: var(--rail); color: #fff;
  display: flex; align-items: center; gap: 12px; padding: 0 12px 0 16px;
}
.mlogo { width: 30px; height: 30px; flex-shrink: 0; background: var(--red); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 14px; }
.mbrand { display: flex; flex-direction: column; min-width: 0; line-height: 1.15; color: #fff; }
.mbrand:hover { color: #fff; }
.mbrand b { font-size: 14px; font-weight: 800; letter-spacing: -0.02em; }
.mbrand small { font-family: var(--mono); font-size: 10px; color: var(--ink-4); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mbtn {
  height: 40px; padding: 0 12px; border: 1px solid var(--rail-line); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-size: 11px;
}
.mbtn.icon { width: 44px; padding: 0; font-size: 18px; font-family: var(--sans); }
.mhead .push { margin-left: auto; }

/* ── SEARCH ─────────────────────────────────────────── */
.search { position: fixed; inset: 0; z-index: 60; display: none; justify-content: center; align-items: flex-start; padding: 88px 24px 24px; }
.search.open { display: flex; }
.search .scrim { background: rgba(17, 17, 17, 0.45); }
.search-box {
  position: relative; width: 100%; max-width: 640px; max-height: 100%;
  background: var(--paper); border: 2px solid var(--ink);
  display: flex; flex-direction: column;
}
.search-row { display: flex; align-items: center; gap: 12px; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.search-row::before { content: ''; width: 10px; height: 10px; flex-shrink: 0; background: var(--red); }
.search-row input {
  flex: 1; min-width: 0; border: 0; outline: 0; background: transparent;
  font-family: var(--sans); font-size: 20px; color: var(--ink);
}
.search-row input::placeholder { color: var(--ink-4); }
.search-row input::-webkit-search-cancel-button { display: none; }
.search-esc { font-family: var(--mono); font-size: 11px; border: 1px solid var(--line-2); padding: 2px 7px; color: var(--ink-2); }
.res-title {
  padding: 10px 16px 4px;
  font-family: var(--mono); font-size: 9px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-3);
}
.res-list { overflow-y: auto; max-height: 420px; padding-bottom: 6px; }
.res {
  display: flex; align-items: center; gap: 12px; padding: 11px 16px 11px 13px;
  border-left: 3px solid transparent; color: var(--ink); line-height: 1.35;
}
.res:hover { color: var(--ink); }
.res.on { background: var(--tint); border-left-color: var(--c); }
.res-dot { width: 8px; height: 8px; flex-shrink: 0; background: var(--c); }
.res-main { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.res-main b { font-size: 15px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.res-main small { font-family: var(--mono); font-size: 11px; color: var(--ink-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.res-kind { font-family: var(--mono); font-size: 10px; color: var(--ink-3); text-transform: uppercase; letter-spacing: 0.08em; }
.res-empty { padding: 24px 16px; font-size: 15px; color: var(--ink-2); }
.search-hints {
  border-top: 1px solid var(--line); padding: 9px 16px;
  display: flex; gap: 16px; font-family: var(--mono); font-size: 10px; color: var(--ink-3);
}

.toast {
  position: fixed; left: 50%; bottom: 24px; z-index: 70; transform: translateX(-50%);
  background: var(--ink); color: #fff; font-family: var(--mono); font-size: 12px; line-height: 1.4;
  padding: 10px 16px; white-space: nowrap; max-width: calc(100vw - 32px); overflow: hidden; text-overflow: ellipsis;
  opacity: 0; pointer-events: none; transition: opacity 0.15s;
}
.toast.show { opacity: 1; }

/* ── MOBILE (< 820px) ───────────────────────────────── */
@media (max-width: 819px) {
  :root { --pad: 20px; --bar-h: 59px; --sec-gap: 40px; }
  .rail, .panel, .topbar { display: none; }
  .mbar { display: block; }
  .hero { padding: 36px var(--pad) 32px; }
  .hero h1 { font-size: 40px; }
  .home-hero h1 { font-size: 46px; }
  .lead { font-size: 18px; }
  .block { padding: 32px var(--pad) 48px; }
  .cards { grid-template-columns: 1fr; }
  .upd { grid-template-columns: 1fr; }
  .guide { padding: 0 var(--pad) 48px; }
  .sec h2 { font-size: 24px; }
  .param-explain, .token-compare { grid-template-columns: minmax(0, 1fr); }
  .etable, .etable tbody, .etable tr, .etable td { display: block; width: auto; }
  .etable td:first-child { width: auto; padding-bottom: 2px; border-bottom: 0; }
  .etable td:last-child { padding-top: 0; }
  .etable tr { border-bottom: 1px solid var(--line-soft); }
  .etable tr:last-child { border-bottom: 0; }
  .etable td { border-bottom: 0; }
  .pn { grid-template-columns: 1fr; }
  .pn-next { align-items: flex-start; text-align: left; padding: 20px 0; }
  .foot { padding: 20px; }
  .search { padding: 12px; }
  .search-hints, .big-search .kbd { display: none; }
  .code pre, .diagram { font-size: 12px; }
  .table-wrap table:has(th:nth-child(4)) { min-width: 640px; }
  .table-wrap table:has(th:nth-child(5)) { min-width: 760px; }
}

@media (prefers-reduced-motion: reduce) {
  .progress span, .toast { transition: none; }
}