/* CodeRelay Hub — graphite + signal blue. Every selector carries the ch- prefix. */
:root {
  --ch-canvas: #f3f4f6;
  --ch-sheet: #ffffff;
  --ch-raise: #f8f9fb;
  --ch-ink: #1d2126;
  --ch-ink-soft: #3b424b;
  --ch-quiet: #697380;
  --ch-rule: #d8dce2;
  --ch-rule-soft: #e7e9ee;
  --ch-signal: #0969da;
  --ch-signal-deep: #0752aa;
  --ch-signal-wash: #e5effb;
  --ch-on-signal: #ffffff;
  --ch-good: #17784a;
  --ch-good-wash: #e3f3ea;
  --ch-caution: #9c5a00;
  --ch-caution-wash: #fbf0de;
  --ch-fault: #bf2930;
  --ch-fault-wash: #fbe7e8;
  --ch-term-bg: #15181d;
  --ch-term-ink: #d9dfe7;
  --ch-term-dim: #7c8694;
  --ch-term-ok: #5fc58e;
  --ch-claude: #a5571f;
  --ch-gpt: #1c7b63;
  --ch-week: #6b4fb8;
  --ch-team: #3f5b85;
  --ch-radius: 6px;
  --ch-radius-lg: 10px;
  --ch-shadow: 0 1px 0 rgba(20, 24, 30, 0.04), 0 6px 18px -10px rgba(20, 24, 30, 0.18);
  --ch-font: "Work Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --ch-mono-font: "Fira Code", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-ch-mode="light"]) {
    --ch-canvas: #0e1013; --ch-sheet: #161a1f; --ch-raise: #1c2026; --ch-ink: #e3e7ec; --ch-ink-soft: #c2c8d0;
    --ch-quiet: #8d96a2; --ch-rule: #2b3139; --ch-rule-soft: #22272e; --ch-signal: #4c9bf0; --ch-signal-deep: #74b2f5;
    --ch-signal-wash: #13263d; --ch-on-signal: #0b1320; --ch-good: #57c08a; --ch-good-wash: #11291d; --ch-caution: #e1a54a;
    --ch-caution-wash: #2d2210; --ch-fault: #f07178; --ch-fault-wash: #331618; --ch-term-bg: #0a0c0f;
    --ch-claude: #e09a62; --ch-gpt: #4fc2a3; --ch-week: #a891f0; --ch-team: #8aa9d6;
    --ch-shadow: 0 1px 0 rgba(0, 0, 0, 0.3), 0 8px 22px -12px rgba(0, 0, 0, 0.6);
    color-scheme: dark;
  }
}
:root[data-ch-mode="dark"] {
  --ch-canvas: #0e1013; --ch-sheet: #161a1f; --ch-raise: #1c2026; --ch-ink: #e3e7ec; --ch-ink-soft: #c2c8d0;
  --ch-quiet: #8d96a2; --ch-rule: #2b3139; --ch-rule-soft: #22272e; --ch-signal: #4c9bf0; --ch-signal-deep: #74b2f5;
  --ch-signal-wash: #13263d; --ch-on-signal: #0b1320; --ch-good: #57c08a; --ch-good-wash: #11291d; --ch-caution: #e1a54a;
  --ch-caution-wash: #2d2210; --ch-fault: #f07178; --ch-fault-wash: #331618; --ch-term-bg: #0a0c0f;
  --ch-claude: #e09a62; --ch-gpt: #4fc2a3; --ch-week: #a891f0; --ch-team: #8aa9d6;
  --ch-shadow: 0 1px 0 rgba(0, 0, 0, 0.3), 0 8px 22px -12px rgba(0, 0, 0, 0.6);
  color-scheme: dark;
}

.ch-body, .ch-body *, .ch-body *::before, .ch-body *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body.ch-body {
  margin: 0; background: var(--ch-canvas); color: var(--ch-ink); font-family: var(--ch-font);
  font-size: 15.5px; line-height: 1.6; font-feature-settings: "tnum" 1;
}
.ch-body a { color: var(--ch-signal); text-decoration: none; }
.ch-body a:hover { text-decoration: underline; text-underline-offset: 3px; }
.ch-body code, .ch-mono { font-family: var(--ch-mono-font); font-size: 0.9em; }
.ch-body img { max-width: 100%; }
.ch-skip { position: absolute; left: -999px; top: 8px; background: var(--ch-sheet); padding: 6px 10px; z-index: 50; }
.ch-skip:focus { left: 12px; }
.ch-wrap { max-width: 1180px; margin: 0 auto; padding: 0 16px; }
.ch-offscreen { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.ch-inline { display: inline; margin: 0; }

/* ---- top bar ---- */
.ch-top { background: var(--ch-sheet); border-bottom: 1px solid var(--ch-rule); position: sticky; top: 0; z-index: 20; }
.ch-top-row { display: flex; align-items: center; gap: 18px; min-height: 58px; flex-wrap: wrap; }
.ch-brand { display: inline-flex; align-items: center; gap: 9px; color: var(--ch-ink) !important; text-decoration: none !important; }
.ch-mark { width: 28px; height: 28px; flex: none; }
.ch-mark-tile { fill: var(--ch-ink); }
.ch-mark-core { fill: var(--ch-signal); }
.ch-mark-spoke { stroke: var(--ch-canvas); stroke-width: 1.8; stroke-linecap: round; fill: none; }
.ch-brand-word { font-weight: 700; letter-spacing: -0.01em; font-size: 17px; }
.ch-brand-tail { font-family: var(--ch-mono-font); font-weight: 500; font-size: 0.78em; margin-left: 4px; padding: 1px 6px;
  border: 1px solid var(--ch-rule); border-radius: 4px; color: var(--ch-quiet); }
.ch-brand-quiet .ch-brand-word { font-size: 16px; }
.ch-nav { display: flex; gap: 4px; flex-wrap: wrap; }
.ch-nav a { color: var(--ch-ink-soft); padding: 6px 10px; border-radius: var(--ch-radius); font-weight: 500; font-size: 14.5px; }
.ch-nav a:hover { background: var(--ch-raise); text-decoration: none; }
.ch-nav a[aria-current] { color: var(--ch-ink); box-shadow: inset 0 -2px 0 var(--ch-signal); border-radius: 0; }
.ch-tools { margin-left: auto; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.ch-langs { position: relative; }
.ch-langs summary { list-style: none; cursor: pointer; font-size: 13.5px; padding: 5px 9px; border: 1px solid var(--ch-rule);
  border-radius: var(--ch-radius); color: var(--ch-ink-soft); user-select: none; }
.ch-langs summary::-webkit-details-marker { display: none; }
.ch-langs-code { font-family: var(--ch-mono-font); font-size: 11.5px; color: var(--ch-quiet); }
.ch-langs ul { position: absolute; right: 0; top: calc(100% + 6px); background: var(--ch-sheet); border: 1px solid var(--ch-rule);
  border-radius: var(--ch-radius); box-shadow: var(--ch-shadow); list-style: none; margin: 0; padding: 4px; min-width: 150px; z-index: 30; }
.ch-langs li a { display: block; padding: 6px 10px; border-radius: 4px; color: var(--ch-ink); }
.ch-langs li a[aria-current] { background: var(--ch-signal-wash); }
.ch-theme { background: none; border: 1px solid var(--ch-rule); color: var(--ch-ink-soft); border-radius: var(--ch-radius);
  width: 32px; height: 30px; cursor: pointer; font-size: 15px; }
.ch-toplink { color: var(--ch-ink-soft) !important; font-size: 14px; }
.ch-who { display: inline-flex; align-items: center; gap: 6px; font-family: var(--ch-mono-font); font-size: 13px; color: var(--ch-ink) !important; }
.ch-who-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ch-good); display: inline-block; }
.ch-tag { font-family: var(--ch-mono-font); font-size: 11px; padding: 1px 6px; border-radius: 4px; background: var(--ch-raise); border: 1px solid var(--ch-rule); }
.ch-tag-maint { color: var(--ch-caution); border-color: var(--ch-caution); background: var(--ch-caution-wash); }
.ch-linkbtn { background: none; border: 0; padding: 0; color: var(--ch-signal); cursor: pointer; font: inherit; font-size: 14px; }
.ch-linkbtn:hover { text-decoration: underline; }
.ch-danger { color: var(--ch-fault); }

/* ---- buttons ---- */
.ch-btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 9px 16px; border-radius: var(--ch-radius);
  border: 1px solid var(--ch-rule); background: var(--ch-sheet); color: var(--ch-ink) !important; font: inherit; font-weight: 600;
  font-size: 14.5px; cursor: pointer; text-decoration: none !important; line-height: 1.2; }
.ch-btn:hover { border-color: var(--ch-quiet); }
.ch-btn-pri { background: var(--ch-signal); border-color: var(--ch-signal); color: var(--ch-on-signal) !important; }
.ch-btn-pri:hover { background: var(--ch-signal-deep); border-color: var(--ch-signal-deep); }
.ch-btn-ghost { background: transparent; }
.ch-btn-sm { padding: 6px 12px; font-size: 13.5px; }
.ch-btn-block { width: 100%; }
.ch-cta-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }

/* ---- type ---- */
.ch-h1 { font-size: clamp(30px, 4.4vw, 46px); line-height: 1.12; letter-spacing: -0.02em; margin: 14px 0 14px; font-weight: 700; }
.ch-h1-page { font-size: clamp(26px, 3.4vw, 36px); }
.ch-h2 { font-size: clamp(21px, 2.4vw, 27px); letter-spacing: -0.01em; margin: 4px 0 12px; line-height: 1.25; }
.ch-h3 { font-size: 17px; margin: 0 0 12px; }
.ch-lede { font-size: 17.5px; color: var(--ch-ink-soft); max-width: 62ch; margin: 0; }
.ch-sub { color: var(--ch-ink-soft); max-width: 70ch; margin: 0 0 20px; }
.ch-note { color: var(--ch-quiet); font-size: 13.5px; margin: 12px 0 0; }
.ch-kicker { font-family: var(--ch-mono-font); font-size: 12.5px; color: var(--ch-signal); margin: 0; letter-spacing: 0.01em; }
.ch-kicker::before { content: "$ "; color: var(--ch-quiet); }
.ch-empty { color: var(--ch-quiet); padding: 18px; border: 1px dashed var(--ch-rule); border-radius: var(--ch-radius); text-align: center; }

/* ---- hub hero: three agent configuration cards ---- */
.ch-hub { padding: 46px 0 40px; border-bottom: 1px solid var(--ch-rule);
  background-image: radial-gradient(var(--ch-rule) 1px, transparent 1px); background-size: 22px 22px; background-color: var(--ch-canvas); }
.ch-hub-head { max-width: 760px; margin-bottom: 26px; }
.ch-hub-head .ch-h1 { margin-top: 0; }
.ch-agents { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.ch-agent { background: var(--ch-sheet); border: 1px solid var(--ch-rule); border-radius: var(--ch-radius-lg); box-shadow: var(--ch-shadow);
  display: flex; flex-direction: column; overflow: hidden; border-top: 3px solid var(--ch-agent-hue, var(--ch-signal)); }
.ch-agent-claude { --ch-agent-hue: var(--ch-claude); }
.ch-agent-codex { --ch-agent-hue: var(--ch-gpt); }
.ch-agent-gemini { --ch-agent-hue: var(--ch-signal); }
.ch-agent-top { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; padding: 12px 16px; border-bottom: 1px solid var(--ch-rule-soft); flex-wrap: wrap; }
.ch-agent-name { font-weight: 700; font-size: 16px; }
.ch-agent-file { font-size: 11.5px; color: var(--ch-quiet); }
.ch-agent-conf { margin: 0; padding: 12px 16px; display: grid; gap: 8px; background: var(--ch-raise); border-bottom: 1px solid var(--ch-rule-soft); }
.ch-agent-conf dt { font-family: var(--ch-mono-font); font-size: 11.5px; color: var(--ch-agent-hue, var(--ch-quiet)); font-weight: 500; }
.ch-agent-conf dd { margin: 0; font-family: var(--ch-mono-font); font-size: 12.5px; word-break: break-all; }
.ch-agent-facts { margin: 0; padding: 12px 16px 4px; display: grid; gap: 4px; font-size: 13.5px; }
.ch-agent-facts div { display: flex; justify-content: space-between; gap: 10px; }
.ch-agent-facts dt { color: var(--ch-quiet); }
.ch-agent-facts dd { margin: 0; text-align: right; }
.ch-agent-note { margin: auto 0 0; padding: 8px 16px 14px; font-size: 12.5px; color: var(--ch-ink-soft); }
.ch-hub-foot { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 18px; margin-top: 22px; }
.ch-hub-facts { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.ch-hub-foot .ch-cta-row { margin-top: 0; }
.ch-gift { margin: 0; font-weight: 600; color: var(--ch-signal); background: var(--ch-signal-wash); border: 1px solid var(--ch-signal); border-radius: var(--ch-radius); padding: 6px 12px; font-size: 14px; }
.ch-hook { margin: 0; font-family: var(--ch-mono-font); font-size: 13.5px; color: var(--ch-ink); border: 1px dashed var(--ch-rule); border-radius: var(--ch-radius); padding: 6px 12px; background: var(--ch-sheet); }

/* ---- sections ---- */
.ch-sec { padding: 56px 0; }
.ch-sec-alt { background: var(--ch-sheet); border-top: 1px solid var(--ch-rule); border-bottom: 1px solid var(--ch-rule); }
.ch-pagehead { padding: 44px 0 30px; border-bottom: 1px solid var(--ch-rule); background: var(--ch-sheet); }
.ch-matrix .ch-rowhead { font-family: var(--ch-mono-font); font-size: 13px; font-weight: 500; white-space: nowrap; }
.ch-matrix code { font-size: 12px; }
.ch-facts { margin: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border: 1px solid var(--ch-rule); border-radius: var(--ch-radius-lg); background: var(--ch-canvas); }
.ch-facts div { padding: 18px; border-right: 1px solid var(--ch-rule); }
.ch-facts div:last-child { border-right: 0; }
.ch-facts dt { font-size: 24px; font-weight: 600; color: var(--ch-signal); }
.ch-facts dd { margin: 6px 0 0; color: var(--ch-ink-soft); font-size: 13.5px; }
.ch-endlinks { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.ch-endlink { display: flex; flex-direction: column; gap: 4px; padding: 20px; border: 1px solid var(--ch-rule); border-radius: var(--ch-radius-lg);
  background: var(--ch-sheet); color: var(--ch-ink) !important; text-decoration: none !important; }
.ch-endlink:hover { border-color: var(--ch-signal); }
.ch-endlink span { color: var(--ch-signal); font-size: 12px; }
.ch-endlink b { font-size: 17px; }
.ch-endlink small { color: var(--ch-quiet); font-size: 13.5px; }
.ch-cols3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.ch-cols2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.ch-card { background: var(--ch-sheet); border: 1px solid var(--ch-rule); border-radius: var(--ch-radius-lg); padding: 20px; }
.ch-card h3 { margin: 0 0 8px; font-size: 16.5px; }
.ch-card p { margin: 0; color: var(--ch-ink-soft); }
.ch-final-box { background: var(--ch-ink); color: var(--ch-canvas); border-radius: var(--ch-radius-lg); padding: 36px; text-align: center; }
.ch-final-inline { margin: 36px 0 56px; padding: 26px; }
.ch-final-inline .ch-h3 { color: inherit; }

/* ---- tables ---- */
.ch-tablewrap { overflow-x: auto; border: 1px solid var(--ch-rule); border-radius: var(--ch-radius-lg); background: var(--ch-sheet); }
.ch-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.ch-table th, .ch-table td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--ch-rule-soft); vertical-align: top; }
.ch-table thead th { font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ch-quiet); background: var(--ch-raise); font-weight: 600; white-space: nowrap; }
.ch-table tbody tr:last-child td, .ch-table tbody tr:last-child th { border-bottom: 0; }
.ch-table-dense th, .ch-table-dense td { padding: 7px 12px; }
.ch-num { text-align: right !important; font-family: var(--ch-mono-font); white-space: nowrap; }
.ch-cmp .ch-rowhead { font-weight: 600; width: 22%; }
.ch-cmp .ch-cmp-us { color: var(--ch-signal); }
.ch-cmp td:last-child { background: var(--ch-signal-wash); }
.ch-model { font-weight: 500; }
.ch-model-id { color: var(--ch-quiet); font-size: 12px; }
.ch-row-dead td { color: var(--ch-quiet); }
.ch-neg { color: var(--ch-fault); }
.ch-pos { color: var(--ch-good); }

/* ---- plans ---- */
.ch-plangroups { display: flex; flex-direction: column; gap: 30px; }
.ch-plangroup-h { display: flex; align-items: center; gap: 8px; font-size: 15px; margin: 0 0 12px; }
.ch-dot { width: 9px; height: 9px; border-radius: 2px; display: inline-block; }
.ch-dot-claude { background: var(--ch-claude); } .ch-dot-gpt { background: var(--ch-gpt); }
.ch-dot-week { background: var(--ch-week); } .ch-dot-team { background: var(--ch-team); }
.ch-plancards { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 14px; }
.ch-plan { background: var(--ch-sheet); border: 1px solid var(--ch-rule); border-radius: var(--ch-radius-lg); padding: 18px; display: flex; flex-direction: column; gap: 10px; }
.ch-plan-head { display: flex; justify-content: space-between; gap: 8px; align-items: flex-start; }
.ch-plan-name { font-size: 13px; font-weight: 600; word-break: break-all; }
.ch-plan-price strong { font-size: 25px; font-family: var(--ch-mono-font); font-weight: 600; }
.ch-plan-term { color: var(--ch-quiet); margin-left: 6px; font-size: 13px; }
.ch-plan-list { font-size: 13px; color: var(--ch-quiet); display: flex; gap: 8px; align-items: center; }
.ch-plan-cut { color: var(--ch-good); background: var(--ch-good-wash); padding: 0 6px; border-radius: 4px; font-weight: 600; }
.ch-spec { margin: 0; display: grid; gap: 4px; font-size: 13.5px; }
.ch-spec div { display: flex; justify-content: space-between; border-bottom: 1px dotted var(--ch-rule); padding-bottom: 3px; }
.ch-spec dt { color: var(--ch-quiet); }
.ch-spec dd { margin: 0; font-family: var(--ch-mono-font); }
.ch-plan-blurb { font-size: 13.5px; color: var(--ch-ink-soft); margin: 0; flex: 1; }
.ch-chip { font-family: var(--ch-mono-font); font-size: 11px; padding: 1px 7px; border-radius: 4px; border: 1px solid var(--ch-rule); background: var(--ch-raise); white-space: nowrap; }
.ch-chip-claude { color: var(--ch-claude); border-color: currentColor; }
.ch-chip-gpt { color: var(--ch-gpt); border-color: currentColor; }
.ch-chip-balance { color: var(--ch-signal); border-color: currentColor; }
.ch-chip-cap { color: var(--ch-week); border-color: currentColor; }
.ch-chip-st-pending { color: var(--ch-caution); } .ch-chip-st-approved { color: var(--ch-signal); }
.ch-chip-st-paid { color: var(--ch-good); } .ch-chip-st-rejected { color: var(--ch-fault); }
.ch-rules { margin-top: 26px; border: 1px solid var(--ch-rule); border-radius: var(--ch-radius-lg); padding: 18px 22px; background: var(--ch-raise); }
.ch-rules-h { margin: 0 0 8px; font-size: 15px; }
.ch-rules ol { margin: 0; padding-left: 20px; color: var(--ch-ink-soft); font-size: 14px; }
.ch-rules li { margin: 4px 0; }

/* ---- docs ---- */
.ch-basebox { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 18px; padding: 8px 12px; border: 1px solid var(--ch-rule); border-radius: var(--ch-radius); background: var(--ch-canvas); max-width: 100%; }
.ch-basebox code { word-break: break-all; }
.ch-docs { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 36px; padding-top: 30px; padding-bottom: 56px; }
.ch-toc { position: sticky; top: 76px; align-self: start; font-size: 14px; }
.ch-toc-h { font-family: var(--ch-mono-font); font-size: 12px; color: var(--ch-quiet); margin: 0 0 6px; }
.ch-toc ol { margin: 0; padding-left: 18px; }
.ch-toc li { margin: 4px 0; }
.ch-docsec { padding-bottom: 26px; margin-bottom: 26px; border-bottom: 1px solid var(--ch-rule); }
.ch-docsec:last-child { border-bottom: 0; }
.ch-code { border: 1px solid #262b33; border-radius: var(--ch-radius); overflow: hidden; margin: 12px 0; background: var(--ch-term-bg); }
.ch-code-bar { display: flex; justify-content: space-between; align-items: center; padding: 5px 10px; border-bottom: 1px solid #262b33;
  font-family: var(--ch-mono-font); font-size: 11.5px; color: var(--ch-term-dim); }
.ch-code pre { margin: 0; padding: 12px 14px; overflow-x: auto; color: var(--ch-term-ink); font-size: 12.8px; line-height: 1.65; }
.ch-code code { font-size: inherit; }
.ch-copybtn { background: none; border: 1px solid #3a414b; color: var(--ch-term-ink); border-radius: 4px; font: inherit; font-size: 11px; padding: 2px 8px; cursor: pointer; }
.ch-copyable { cursor: copy; border-bottom: 1px dashed var(--ch-rule); }
.ch-callout { border-left: 3px solid var(--ch-caution); background: var(--ch-caution-wash); padding: 10px 14px; border-radius: 0 var(--ch-radius) var(--ch-radius) 0; font-size: 14.5px; }
.ch-kv { margin: 12px 0; display: grid; gap: 6px; }
.ch-kv div { display: grid; grid-template-columns: 160px 1fr; gap: 12px; align-items: baseline; }
.ch-kv dt { font-family: var(--ch-mono-font); font-size: 13px; color: var(--ch-quiet); }
.ch-kv dd { margin: 0; word-break: break-word; }
.ch-kv-wide div { grid-template-columns: 220px 1fr; }
.ch-list { padding-left: 20px; }
.ch-list li { margin: 4px 0; }

/* ---- digest ---- */
.ch-filter { display: flex; flex-wrap: wrap; gap: 6px; padding: 22px 0 6px; }
.ch-filter a { border: 1px solid var(--ch-rule); padding: 5px 11px; border-radius: 999px; font-size: 13.5px; color: var(--ch-ink-soft); background: var(--ch-sheet); }
.ch-filter a[aria-current] { border-color: var(--ch-signal); color: var(--ch-signal); }
.ch-count { font-family: var(--ch-mono-font); font-size: 11.5px; color: var(--ch-quiet); }
.ch-postlist { list-style: none; padding: 0; margin: 14px 0 0; border-top: 1px solid var(--ch-rule); }
.ch-postrow { padding: 16px 0; border-bottom: 1px solid var(--ch-rule); }
.ch-postmeta { display: flex; flex-wrap: wrap; gap: 12px; font-size: 12.5px; color: var(--ch-quiet); }
.ch-posttitle { font-size: 18px; margin: 4px 0; line-height: 1.35; }
.ch-posttitle a { color: var(--ch-ink); }
.ch-postsum { margin: 0; color: var(--ch-ink-soft); font-size: 14.5px; }
.ch-article-wrap { max-width: 820px; padding-top: 26px; }
.ch-crumb { font-size: 14px; margin: 0 0 8px; }
.ch-prose { font-size: 16.5px; line-height: 1.75; }
.ch-prose h2 { font-size: 21px; margin: 30px 0 10px; }
.ch-prose h3 { font-size: 18px; margin: 24px 0 8px; }
.ch-prose ul, .ch-prose ol { padding-left: 22px; }
.ch-prose blockquote { margin: 16px 0; padding: 6px 16px; border-left: 3px solid var(--ch-rule); color: var(--ch-ink-soft); }
.ch-related { margin-top: 34px; border-top: 1px solid var(--ch-rule); padding-top: 20px; }
.ch-related ul { padding-left: 18px; }
.ch-terms section { margin-bottom: 22px; }
.ch-terms h2 { font-size: 18px; margin: 28px 0 8px; }
.ch-narrow { max-width: 780px; padding-top: 26px; padding-bottom: 56px; }

/* ---- forms ---- */
.ch-form { display: flex; flex-direction: column; gap: 14px; }
.ch-form-row { flex-direction: row; flex-wrap: wrap; align-items: flex-end; }
.ch-form-row .ch-field { flex: 1 1 200px; }
.ch-field { display: flex; flex-direction: column; gap: 5px; font-size: 14px; }
.ch-field > span { font-weight: 600; font-size: 13.5px; }
.ch-field small { color: var(--ch-quiet); font-size: 12.5px; }
.ch-field input, .ch-field select, .ch-field textarea { font: inherit; font-size: 14.5px; padding: 9px 11px; border-radius: var(--ch-radius);
  border: 1px solid var(--ch-rule); background: var(--ch-sheet); color: var(--ch-ink); width: 100%; }
.ch-field input:focus, .ch-field select:focus, .ch-field textarea:focus { outline: 2px solid var(--ch-signal-wash); border-color: var(--ch-signal); }
.ch-flash { padding: 10px 14px; border-radius: var(--ch-radius); margin: 0 0 16px; font-size: 14.5px; border: 1px solid; }
.ch-flash-ok { background: var(--ch-good-wash); border-color: var(--ch-good); color: var(--ch-good); }
.ch-flash-bad { background: var(--ch-fault-wash); border-color: var(--ch-fault); color: var(--ch-fault); }
.ch-flash-warn { background: var(--ch-caution-wash); border-color: var(--ch-caution); color: var(--ch-caution); }
.ch-flash-info { background: var(--ch-signal-wash); border-color: var(--ch-signal); }
.ch-authwrap { display: grid; grid-template-columns: minmax(0, 440px) minmax(0, 1fr); gap: 46px; padding-top: 40px; padding-bottom: 60px; }
.ch-auth { background: var(--ch-sheet); border: 1px solid var(--ch-rule); border-radius: var(--ch-radius-lg); padding: 26px; }
.ch-authside { align-self: center; color: var(--ch-ink-soft); }
.ch-ticks { list-style: none; padding: 0; }
.ch-ticks li { padding: 6px 0 6px 24px; position: relative; }
.ch-ticks li::before { content: "→"; position: absolute; left: 0; color: var(--ch-signal); font-family: var(--ch-mono-font); }
.ch-authalt { font-size: 14px; margin: 16px 0 0; }
.ch-bonus { background: var(--ch-signal-wash); color: var(--ch-signal); padding: 8px 12px; border-radius: var(--ch-radius); font-weight: 600; font-size: 14px; }
.ch-invited { background: var(--ch-good-wash); color: var(--ch-good); padding: 8px 12px; border-radius: var(--ch-radius); font-size: 14px; }
.ch-workline { font-family: var(--ch-mono-font); font-size: 12px; color: var(--ch-quiet); margin: 0; }
.ch-guest { text-align: left; }

/* ---- workspace ---- */
.ch-ws { display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: 28px; padding-top: 26px; padding-bottom: 60px; }
.ch-ws-side { position: sticky; top: 76px; align-self: start; }
.ch-ws-id { display: flex; align-items: center; gap: 8px; padding: 8px 10px; margin-bottom: 10px; border: 1px solid var(--ch-rule); border-radius: var(--ch-radius); background: var(--ch-sheet); }
.ch-ws-nav { display: flex; flex-direction: column; gap: 2px; }
.ch-ws-nav a { padding: 7px 10px; border-radius: var(--ch-radius); color: var(--ch-ink-soft); font-size: 14.5px; display: flex; justify-content: space-between; }
.ch-ws-nav a:hover { background: var(--ch-sheet); text-decoration: none; }
.ch-ws-nav a[aria-current] { background: var(--ch-sheet); color: var(--ch-ink); box-shadow: inset 2px 0 0 var(--ch-signal); font-weight: 600; }
.ch-pill { background: var(--ch-fault); color: #fff; border-radius: 999px; font-size: 11px; padding: 0 7px; font-family: var(--ch-mono-font); }
.ch-ws-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.ch-panel { background: var(--ch-sheet); border: 1px solid var(--ch-rule); border-radius: var(--ch-radius-lg); padding: 20px; margin-bottom: 16px; }
.ch-tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }
.ch-tile { background: var(--ch-sheet); border: 1px solid var(--ch-rule); border-radius: var(--ch-radius-lg); padding: 14px 16px; display: flex; flex-direction: column; gap: 2px; }
.ch-tile span { font-size: 12.5px; color: var(--ch-quiet); }
.ch-tile b { font-size: 21px; font-weight: 600; }
.ch-tile small { font-size: 12px; color: var(--ch-quiet); }
.ch-tile-bad b { color: var(--ch-fault); }
.ch-bars { display: grid; grid-template-columns: repeat(14, 1fr); gap: 6px; align-items: end; height: 150px; padding-top: 8px; }
.ch-bar { display: flex; flex-direction: column; justify-content: flex-end; align-items: center; height: 100%; gap: 4px; }
.ch-bar span { width: 100%; background: var(--ch-signal); border-radius: 3px 3px 0 0; min-height: 2px; opacity: 0.85; }
.ch-bar:hover span { opacity: 1; }
.ch-bar i { font-style: normal; font-family: var(--ch-mono-font); font-size: 10px; color: var(--ch-quiet); }
.ch-shortcuts { display: flex; flex-wrap: wrap; gap: 8px; }
.ch-grants { margin-bottom: 16px; }
.ch-grant-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }
.ch-grant { background: var(--ch-sheet); border: 1px solid var(--ch-rule); border-radius: var(--ch-radius-lg); padding: 14px 16px; }
.ch-grant-top { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 8px; }
.ch-grant-top code { font-weight: 600; font-size: 13px; }
.ch-grant-days { margin-left: auto; font-size: 12.5px; color: var(--ch-quiet); }
.ch-warn { color: var(--ch-caution) !important; font-weight: 600; }
.ch-meter { height: 8px; background: var(--ch-raise); border: 1px solid var(--ch-rule-soft); border-radius: 999px; overflow: hidden; }
.ch-meter span { display: block; height: 100%; background: var(--ch-signal); }
.ch-meter-thin { height: 5px; margin-top: 8px; }
.ch-meter-thin span { background: var(--ch-week); }
.ch-grant-line { font-size: 12.5px; color: var(--ch-ink-soft); margin: 4px 0 0; font-family: var(--ch-mono-font); }
.ch-secret code { font-size: 12.5px; }
.ch-state-on { color: var(--ch-good); font-weight: 600; font-size: 13px; }
.ch-state-off { color: var(--ch-fault); font-size: 13px; }
.ch-wire { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.ch-modelgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 8px; }
.ch-modelcell { border: 1px solid var(--ch-rule-soft); border-radius: var(--ch-radius); padding: 10px 12px; background: var(--ch-raise); font-size: 13.5px; }
.ch-modelcell code { font-size: 12px; }
.ch-modelmeta { display: flex; justify-content: space-between; color: var(--ch-quiet); font-size: 12px; margin-top: 4px; gap: 8px; }
.ch-bigline { font-size: 15px; margin: 0 0 14px; }
.ch-bigline b { font-size: 20px; }
.ch-chiprow { list-style: none; padding: 0; margin: 14px 0 0; display: flex; flex-wrap: wrap; gap: 6px; }
.ch-chiprow li { font-size: 12px; border: 1px solid var(--ch-rule); border-radius: 4px; padding: 2px 8px; color: var(--ch-ink-soft); }
.ch-thread { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
.ch-issue { border: 1px solid var(--ch-rule-soft); border-radius: var(--ch-radius); padding: 12px 14px; }
.ch-issue-head { display: flex; gap: 10px; align-items: center; font-size: 12.5px; color: var(--ch-quiet); }
.ch-issue-body { margin: 8px 0 0; white-space: pre-wrap; word-break: break-word; }
.ch-issue-reply { margin-top: 10px; padding: 10px 12px; border-left: 3px solid var(--ch-signal); background: var(--ch-signal-wash); border-radius: 0 var(--ch-radius) var(--ch-radius) 0; }
.ch-issue-reply span { font-size: 12px; color: var(--ch-quiet); }
.ch-issue-reply p { margin: 4px 0 0; white-space: pre-wrap; }

/* ---- footer: one quiet line ---- */
.ch-foot { border-top: 1px solid var(--ch-rule); padding: 18px 0 22px; font-size: 12.5px; color: var(--ch-quiet); background: var(--ch-canvas); }
.ch-foot-line { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; }
.ch-foot-line a { color: var(--ch-quiet) !important; }
.ch-foot-line a:hover { color: var(--ch-ink) !important; }
.ch-foot .ch-langs summary { border: 0; padding: 0 2px; font-size: 12.5px; color: var(--ch-quiet); }
.ch-foot .ch-langs ul { top: auto; bottom: calc(100% + 6px); left: 0; right: auto; }

/* ---- new structure (BRIEF 7.11) ---- */
.ch-btn-line { background: transparent; border-color: var(--ch-signal); color: var(--ch-signal) !important; }
.ch-btn-line:hover { background: var(--ch-signal-wash); }
.ch-textlink { font-weight: 600; font-size: 14.5px; }
.ch-hub-foot { justify-content: flex-start; }
.ch-agent-more { display: block; padding: 0 16px 14px; font-size: 13px; font-weight: 600; }
.ch-agent-name { margin: 0; }
.ch-quiet { color: var(--ch-quiet); }
.ch-narrowtext p { max-width: 72ch; }
.ch-agenttable .ch-rowhead { font-weight: 700; white-space: nowrap; width: 18%; }
.ch-plantable td { vertical-align: middle; }
.ch-plantable .ch-plan-name { white-space: nowrap; }
.ch-docnext { margin-top: 30px; padding-top: 16px; border-top: 1px solid var(--ch-rule); text-align: right; font-weight: 600; }
.ch-doc .ch-h2 { margin-top: 30px; }
.ch-toc a[aria-current] { font-weight: 700; color: var(--ch-ink); }
.ch-changelog-wrap { max-width: 900px; padding-bottom: 56px; }
.ch-changelog { margin-top: 18px; }
.ch-cl-day { display: grid; grid-template-columns: 130px minmax(0, 1fr); gap: 18px; padding: 18px 0; border-top: 1px solid var(--ch-rule); }
.ch-cl-date { margin: 0; font-family: var(--ch-mono-font); font-size: 13px; color: var(--ch-quiet); font-weight: 500; }
.ch-cl-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.ch-cl-entry { display: grid; grid-template-columns: auto auto minmax(0, 1fr); gap: 4px 10px; align-items: baseline; }
.ch-cl-tag { font-family: var(--ch-mono-font); font-size: 11px; padding: 1px 7px; border-radius: 999px; border: 1px solid var(--ch-rule); color: var(--ch-ink-soft) !important; white-space: nowrap; }
.ch-cl-lang { font-family: var(--ch-mono-font); font-size: 11px; color: var(--ch-quiet); }
.ch-cl-title { font-weight: 600; color: var(--ch-ink) !important; }
.ch-cl-sum { margin: 2px 0 0; font-size: 13.5px; color: var(--ch-ink-soft); }
.ch-slim { max-width: 340px; margin: 0 auto; padding: 36px 16px 60px; text-align: center; }
.ch-slim-mark { width: 44px; height: 44px; }
.ch-slim-h { font-size: 23px; font-weight: 400; letter-spacing: -0.01em; margin: 14px 0 6px; }
.ch-slim-sub { font-size: 13.5px; color: var(--ch-signal); margin: 0 0 12px; }
.ch-slim-box { text-align: left; background: var(--ch-raise); border: 1px solid var(--ch-rule); border-radius: var(--ch-radius); padding: 16px; margin: 14px 0 0; }
.ch-slim-alt { text-align: center; background: transparent; font-size: 14px; }
.ch-slim-fine { font-size: 12px; color: var(--ch-quiet); margin-top: 14px; }
.ch-slim .ch-flash { text-align: left; margin-top: 12px; }
.ch-more summary { cursor: pointer; font-size: 13px; color: var(--ch-ink-soft); }
.ch-more[open] summary { margin-bottom: 10px; }
.ch-ws-grp { margin: 16px 0 4px; padding: 0 10px; font-size: 11.5px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ch-quiet); }

/* ---- maintainer ---- */
.ch-body-maint { font-size: 14px; }
.ch-maint { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 22px; padding-top: 20px; padding-bottom: 50px; }
.ch-maint-nav { display: flex; flex-direction: column; gap: 2px; position: sticky; top: 76px; align-self: start; }
.ch-maint-nav a { padding: 6px 10px; border-radius: var(--ch-radius); color: var(--ch-ink-soft); }
.ch-maint-nav a[aria-current] { background: var(--ch-sheet); color: var(--ch-ink); font-weight: 600; box-shadow: inset 2px 0 0 var(--ch-caution); }
.ch-maint .ch-table input, .ch-maint .ch-table select { width: 76px; font: inherit; font-size: 12.5px; padding: 3px 5px; border: 1px solid var(--ch-rule); border-radius: 4px; background: var(--ch-sheet); color: var(--ch-ink); }
.ch-maint .ch-table input.ch-wide { width: 180px; }
.ch-maint-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 16px; }
.ch-health-ok { color: var(--ch-good); font-weight: 600; }
.ch-health-bad { color: var(--ch-fault); font-weight: 600; }
.ch-pre { white-space: pre-wrap; word-break: break-word; background: var(--ch-raise); padding: 10px; border-radius: var(--ch-radius); font-family: var(--ch-mono-font); font-size: 12.5px; }

/* ---- responsive ---- */
@media (max-width: 960px) {
  .ch-docs, .ch-authwrap, .ch-ws, .ch-maint { grid-template-columns: minmax(0, 1fr); }
  .ch-cols3, .ch-agents, .ch-endlinks { grid-template-columns: minmax(0, 1fr); }
  .ch-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ch-facts div { border-bottom: 1px solid var(--ch-rule); }
  .ch-toc, .ch-ws-side, .ch-maint-nav { position: static; }
  .ch-ws-nav { flex-direction: row; flex-wrap: wrap; }
  .ch-wire { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .ch-tiles, .ch-maint-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ch-cols2 { grid-template-columns: minmax(0, 1fr); }
  .ch-cl-day { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .ch-cl-entry { grid-template-columns: auto minmax(0, 1fr); }
  .ch-cl-body { grid-column: 1 / -1; }
  .ch-nav { order: 3; width: 100%; overflow-x: auto; flex-wrap: nowrap; }
  .ch-kv div, .ch-kv-wide div { grid-template-columns: 1fr; gap: 2px; }
  .ch-hub { padding: 30px 0; }
  .ch-sec { padding: 40px 0; }
  .ch-bars { gap: 3px; }
  .ch-bar i { display: none; }
}
.ch-verb { font-family: var(--ch-mono-font); font-size: 11px; font-weight: 600; padding: 1px 6px; border-radius: 4px; background: var(--ch-signal-wash); color: var(--ch-signal); }