/* Agent Swarm docs - cool-dark editorial design system. Plain CSS, no build. */

:root {
  color-scheme: dark;
  --paper: #0d0f15;
  --raised: #161a23;
  --sunken: #0a0c11;
  --ink: #eaecf3;
  --body: #c0c5d3;
  --soft: #838aa0;
  --faint: #5f6678;
  --rule: #222634;
  --rule-soft: #191c27;
  --acc: #d488a6;
  --acc-deep: #e6abc2;
  --green: #6fd3a3;
  --green-wash: #10231a;
  --blue: #7fb7e0;
  --term-bg: #090b10;
  --term-rule: #1c2230;
  --shadow: 0 16px 44px rgba(0, 0, 0, 0.45);
  --fs-text: 1.125rem;
  --fs-text-sm: 1rem;
  --fs-mono: 0.86rem;
  --fs-label: 0.72rem;
  --serif: "Source Serif 4", Georgia, serif;
  --display: "Spectral", Georgia, serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

html[data-theme="light"] {
  color-scheme: light;
  --paper: #f6f7f9;
  --raised: #ffffff;
  --sunken: #eef0f4;
  --ink: #15171f;
  --body: #3a3f4d;
  --soft: #646b7d;
  --faint: #8b91a3;
  --rule: #e2e4ec;
  --rule-soft: #edeef4;
  --acc: #a83f68;
  --acc-deep: #8f2f54;
  --green: #2f7d5b;
  --green-wash: #e3f0e9;
  --blue: #3a6ea5;
  --term-bg: #090b10;
  --term-rule: #1c2230;
  --shadow: 0 14px 40px rgba(20, 22, 40, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  margin: 0;
  background:
    radial-gradient(1100px 460px at 78% -10%, rgba(212, 136, 166, 0.07), transparent 70%),
    var(--paper);
  color: var(--body);
  font-family: var(--serif);
  font-size: var(--fs-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--acc); color: var(--paper); }
a { color: var(--acc-deep); text-decoration: none; }
a:hover { color: var(--acc); }
:focus-visible { outline: 2px solid var(--acc); outline-offset: 2px; border-radius: 4px; }

.skip { position: absolute; left: -999px; top: 8px; z-index: 99; background: var(--raised); padding: 8px 14px; }
.skip:focus { left: 8px; }

/* masthead */
.masthead { position: sticky; top: 0; z-index: 40; background: color-mix(in srgb, var(--paper) 86%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--rule); }
.masthead-inner { display: flex; align-items: center; gap: 14px; width: min(1340px, 100% - 48px); margin-inline: auto; padding: 13px 0; }
.brand { font-family: var(--display); font-weight: 600; font-size: 1.4rem; color: var(--ink); text-decoration: none; }
.brand-tag { font-family: var(--mono); font-weight: 450; font-size: var(--fs-label); color: var(--soft); letter-spacing: 0.18em; text-transform: uppercase; margin-left: 9px; vertical-align: 0.22em; }
.search-btn { display: flex; align-items: center; gap: 26px; margin-left: auto; border: 1px solid var(--rule); border-radius: 7px; background: var(--raised); color: var(--soft); font-family: var(--mono); font-size: 0.82rem; padding: 8px 10px 8px 14px; cursor: pointer; }
.search-btn:hover { border-color: var(--soft); color: var(--ink); }
.search-btn kbd { font-family: var(--mono); font-size: 0.72rem; border: 1px solid var(--rule); border-radius: 4px; background: var(--sunken); padding: 1px 7px; }
.masthead-tools { display: flex; align-items: center; gap: 12px; }
.masthead-tools .gh { font-family: var(--mono); font-size: 0.8rem; color: var(--soft); text-decoration: none; }
.masthead-tools .gh:hover { color: var(--ink); }
.theme-btn, .menu-btn { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; border: 1px solid var(--rule); border-radius: 7px; background: var(--raised); color: var(--soft); cursor: pointer; padding: 0; }
.theme-btn:hover, .menu-btn:hover { color: var(--ink); border-color: var(--soft); }
.theme-btn svg, .menu-btn svg { width: 15px; height: 15px; display: block; }
.theme-btn .icon-sun, html[data-theme="light"] .theme-btn .icon-moon { display: none; }
html[data-theme="light"] .theme-btn .icon-sun { display: block; }
.menu-btn { display: none; }

/* frame */
.frame { display: grid; grid-template-columns: 248px minmax(0, 1fr) 226px; gap: 54px; width: min(1340px, 100% - 48px); margin-inline: auto; padding: 42px 0 90px; }

/* sidebar */
.sidebar { position: sticky; top: 92px; align-self: start; max-height: calc(100vh - 120px); overflow-y: auto; scrollbar-width: thin; scrollbar-color: var(--rule) transparent; padding-bottom: 20px; font-size: var(--fs-text-sm); }
.nav-group { margin-bottom: 24px; }
.nav-group-title { margin: 0 0 9px; font-family: var(--mono); font-size: var(--fs-label); font-weight: 500; letter-spacing: 0.2em; text-transform: uppercase; color: var(--faint); }
.sidebar a { display: flex; align-items: baseline; gap: 9px; padding: 4px 0; color: var(--body); text-decoration: none; border-radius: 4px; }
.sidebar a .n { font-family: var(--mono); font-size: 0.72rem; color: var(--faint); min-width: 2.3em; }
.sidebar a:hover { color: var(--acc-deep); }
.sidebar a[aria-current="page"] { color: var(--acc-deep); font-weight: 600; }
.sidebar a[aria-current="page"] .n { color: var(--acc); }
.sidebar .ext::after { content: "↗"; font-family: var(--mono); font-size: 0.7em; color: var(--faint); margin-left: 4px; }

/* article */
.article-col { min-width: 0; max-width: 72ch; }
.kicker { margin: 0 0 14px; font-family: var(--mono); font-size: var(--fs-label); font-weight: 500; letter-spacing: 0.2em; text-transform: uppercase; color: var(--soft); }
.kicker .n { color: var(--acc); margin-right: 6px; }
h1 { margin: 0 0 18px; font-family: var(--display); font-size: clamp(2rem, 5vw, 2.7rem); font-weight: 600; line-height: 1.1; letter-spacing: -0.015em; color: var(--ink); }
.lede { margin: 0 0 10px; font-size: 1.34rem; line-height: 1.55; color: var(--soft); }
.lede em { color: var(--body); font-style: italic; }
article > section { margin-top: 46px; }
h2 { position: relative; margin: 0 0 18px; padding-bottom: 10px; font-family: var(--display); font-size: 1.7rem; font-weight: 600; line-height: 1.25; color: var(--ink); border-bottom: 1px solid var(--rule); }
h3 { margin: 26px 0 10px; font-family: var(--display); font-size: 1.35rem; font-weight: 600; color: var(--ink); }
.anchor { margin-left: 8px; font-family: var(--mono); font-size: 0.78em; color: var(--faint); text-decoration: none; opacity: 0; }
h2:hover .anchor, h3:hover .anchor { opacity: 1; }
.anchor:hover { color: var(--acc); }
p { margin: 0 0 16px; }
p, li { font-size: var(--fs-text); }
ul, ol { padding-left: 1.3em; }
li { margin: 5px 0; }
li::marker { color: var(--acc); }
strong { color: var(--ink); }

/* inline + block code */
code { font-family: var(--mono); font-size: 0.82em; background: var(--sunken); border: 1px solid var(--rule-soft); border-radius: 4px; padding: 0.1em 0.38em; color: var(--ink); }
.snippet { position: relative; margin: 20px 0; }
pre { margin: 0; overflow-x: auto; background: var(--term-bg); color: #cdd6e4; border: 1px solid var(--term-rule); border-radius: 9px; padding: 15px 18px; font-family: var(--mono); font-size: var(--fs-mono); line-height: 1.65; scrollbar-width: thin; scrollbar-color: var(--term-rule) transparent; }
pre code { background: transparent; border: 0; padding: 0; color: inherit; font-size: 1em; white-space: pre; }
pre .c { color: var(--soft); }
pre .k { color: var(--acc-deep); }
pre .s { color: var(--green); }
.copy-btn { position: absolute; top: 8px; right: 8px; border: 1px solid var(--term-rule); border-radius: 5px; background: var(--term-bg); color: var(--soft); font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; padding: 4px 9px; cursor: pointer; opacity: 0; transition: opacity 120ms ease; }
.snippet:hover .copy-btn, .copy-btn:focus-visible { opacity: 1; }
.copy-btn:hover { color: #cdd6e4; }
.copy-btn.done { color: var(--green); border-color: var(--green); opacity: 1; }

/* anatomy strip */
.anat { display: flex; align-items: center; gap: 10px; padding: 14px 16px; background: var(--raised); border: 1px solid var(--rule); border-radius: 10px; margin: 22px 0; font-family: var(--mono); font-size: 0.78rem; color: var(--body); flex-wrap: wrap; }
.anat b { color: var(--ink); }
.anat .step { color: var(--blue); }
.anat .ar { color: var(--soft); }

/* synthesis card */
.verdict { margin: 24px 0; border: 1px solid var(--rule); border-radius: 12px; background: var(--raised); padding: 18px; }
.verdict-top { display: flex; justify-content: space-between; gap: 12px; font-family: var(--mono); font-size: var(--fs-label); letter-spacing: 0.16em; text-transform: uppercase; color: var(--soft); margin-bottom: 12px; }
.verdict-rec { font-family: var(--display); font-weight: 600; font-size: 1.3rem; line-height: 1.3; color: var(--ink); margin: 0 0 16px; }
.verdict-rec .mark { color: var(--acc); }
.mrow { display: flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 0.8rem; color: var(--body); margin: 8px 0; }
.mrow .lab { width: 88px; color: var(--soft); }
.pips { display: flex; gap: 3px; }
.pip { width: 18px; height: 9px; border-radius: 2px; background: var(--rule); }
.pip.on { background: var(--green); }
.pip.dim { background: var(--acc); opacity: 0.5; }
.level { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; border: 1px solid currentColor; border-radius: 4px; padding: 2px 8px; }
.level[data-level="high"] { color: var(--green); }
.level[data-level="medium"] { color: var(--blue); }
.level[data-level="low"] { color: var(--soft); }
.vopen { margin-top: 13px; padding-top: 12px; border-top: 1px solid var(--rule); font-size: 0.95rem; color: var(--body); }
.vopen .q { display: block; font-family: var(--mono); font-size: var(--fs-label); letter-spacing: 0.14em; text-transform: uppercase; color: var(--soft); margin-bottom: 3px; }

/* swarm gallery */
.gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; margin: 22px 0; }
.swarm { display: block; border: 1px solid var(--rule); border-radius: 11px; padding: 16px 16px 14px; background: var(--raised); text-decoration: none; color: inherit; transition: transform 0.12s ease, border-color 0.12s ease; }
.swarm:hover { transform: translateY(-2px); border-color: var(--acc); text-decoration: none; }
.swarm .nm { font-family: var(--display); font-weight: 600; font-size: 1.15rem; color: var(--ink); margin: 0 0 3px; }
.swarm .roles { font-family: var(--mono); font-size: 0.72rem; color: var(--soft); margin: 0 0 9px; }
.swarm .desc { font-size: 0.95rem; line-height: 1.5; color: var(--body); margin: 0 0 12px; }
.vtokens { display: flex; gap: 6px; flex-wrap: wrap; }
.tok { font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.04em; padding: 3px 7px; border-radius: 5px; border: 1px solid var(--rule); color: var(--soft); }
.tok.go { color: var(--green); border-color: color-mix(in srgb, var(--green) 40%, var(--rule)); }
.swarm.build { background: linear-gradient(160deg, color-mix(in srgb, var(--acc) 12%, var(--raised)), var(--raised)); border-color: color-mix(in srgb, var(--acc) 40%, var(--rule)); }
.swarm.build .nm { color: var(--acc); }
.swarm.build .desc code { font-size: 0.82em; }

/* callouts */
.callout { position: relative; margin: 24px 0; border: 1px solid var(--rule); border-radius: 9px; padding: 18px; background: var(--raised); }
.callout-label { position: absolute; top: -0.72em; left: 14px; font-family: var(--mono); font-size: var(--fs-label); font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; background: var(--raised); border: 1px solid currentColor; border-radius: 3px; padding: 1px 8px; }
.callout p { margin: 0; font-size: 1rem; }
.callout[data-kind="note"] { border-color: color-mix(in srgb, var(--blue) 35%, var(--rule)); }
.callout[data-kind="note"] .callout-label { color: var(--blue); }
.callout[data-kind="warn"] { border-color: color-mix(in srgb, var(--acc) 40%, var(--rule)); }
.callout[data-kind="warn"] .callout-label { color: var(--acc); }

/* tables */
.table-wrap { overflow-x: auto; margin: 20px 0; }
table.opts { width: 100%; border-collapse: collapse; font-size: var(--fs-text-sm); }
table.opts th { font-family: var(--mono); font-size: var(--fs-label); font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; color: var(--faint); text-align: left; padding: 6px 14px 6px 0; border-bottom: 1px solid var(--rule); }
table.opts td { padding: 8px 14px 8px 0; border-bottom: 1px solid var(--rule-soft); vertical-align: baseline; color: var(--body); }
table.opts td:first-child { font-family: var(--mono); font-size: var(--fs-mono); color: var(--ink); white-space: nowrap; }

/* toc */
.toc-col { position: sticky; top: 92px; align-self: start; max-height: calc(100vh - 120px); overflow-y: auto; font-size: var(--fs-text-sm); scrollbar-width: thin; scrollbar-color: var(--rule) transparent; }
.toc-title { margin: 0 0 10px; font-family: var(--mono); font-size: var(--fs-label); letter-spacing: 0.2em; text-transform: uppercase; color: var(--faint); }
#toc { border-left: 1px solid var(--rule); }
#toc a { display: block; padding: 4px 0 4px 14px; margin-left: -1px; color: var(--soft); text-decoration: none; border-left: 1px solid transparent; line-height: 1.45; }
#toc a:hover { color: var(--ink); }
#toc a.active { color: var(--acc-deep); border-left-color: var(--acc); font-weight: 600; }
#toc a.sub { padding-left: 26px; font-size: 0.9rem; }

/* pager */
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 60px; border-top: 1px solid var(--rule); padding-top: 8px; }
.pager a { display: grid; gap: 3px; padding: 16px 4px; text-decoration: none; }
.pager a.next { text-align: right; }
.pager .dir { font-family: var(--mono); font-size: var(--fs-label); letter-spacing: 0.16em; text-transform: uppercase; color: var(--faint); }
.pager .t { font-family: var(--display); font-weight: 600; color: var(--ink); }
.pager a:hover .t { color: var(--acc-deep); }

/* search palette */
.palette-backdrop { position: fixed; inset: 0; z-index: 80; background: color-mix(in srgb, #000 50%, transparent); backdrop-filter: blur(2px); }
.palette { position: fixed; z-index: 81; top: 14vh; left: 50%; transform: translateX(-50%); width: min(620px, calc(100vw - 32px)); background: var(--raised); border: 1px solid var(--rule); border-radius: 10px; box-shadow: var(--shadow); overflow: hidden; }
.palette::before { content: ""; display: block; border-top: 3px solid var(--acc); }
.palette input { width: 100%; border: 0; border-bottom: 1px solid var(--rule); background: transparent; color: var(--ink); font-family: var(--mono); font-size: 1.05rem; padding: 15px 18px; outline: none; }
.palette input::placeholder { color: var(--faint); }
.palette-results { max-height: 46vh; overflow-y: auto; padding: 8px; scrollbar-width: thin; }
.palette-results a { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; align-items: baseline; padding: 9px 12px; border-radius: 6px; text-decoration: none; color: var(--body); font-size: var(--fs-text-sm); }
.palette-results a .where { font-family: var(--mono); font-size: var(--fs-label); letter-spacing: 0.08em; text-transform: uppercase; color: var(--faint); white-space: nowrap; }
.palette-results a.sel, .palette-results a:hover { background: color-mix(in srgb, var(--acc) 16%, transparent); color: var(--acc-deep); }
.palette-results .empty { padding: 16px 12px; font-family: var(--mono); font-size: 0.9rem; color: var(--faint); }

/* colophon */
.colophon { border-top: 1px solid var(--rule); margin-top: 30px; }
.colophon-inner { width: min(1340px, 100% - 48px); margin-inline: auto; padding: 22px 0 36px; display: flex; gap: 18px; align-items: baseline; font-family: var(--mono); font-size: 0.82rem; color: var(--faint); }
.colophon a { color: var(--soft); }

/* entrance */
@media (prefers-reduced-motion: no-preference) {
  article > * { animation: rise 420ms cubic-bezier(0.2, 0.7, 0.3, 1) both; }
  article > *:nth-child(2) { animation-delay: 40ms; }
  article > *:nth-child(3) { animation-delay: 80ms; }
  article > *:nth-child(4) { animation-delay: 120ms; }
  article > *:nth-child(5) { animation-delay: 160ms; }
  article > *:nth-child(n + 6) { animation-delay: 200ms; }
  @keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
}

/* responsive */
@media (max-width: 1180px) {
  .frame { grid-template-columns: 240px minmax(0, 1fr); gap: 44px; }
  .toc-col { display: none; }
}
@media (max-width: 880px) {
  .menu-btn { display: inline-flex; }
  .search-btn span { display: none; }
  .search-btn { gap: 0; padding: 8px 10px; }
  .masthead-tools .gh { display: none; }
  .frame { display: block; padding-top: 26px; }
  .sidebar { position: fixed; inset: 0; top: 61px; z-index: 60; max-height: none; background: var(--paper); padding: 26px 24px 40px; transform: translateX(-102%); transition: transform 200ms ease; border-right: 1px solid var(--rule); }
  body.nav-open .sidebar { transform: none; }
  body.nav-open { overflow: hidden; }
  .article-col { max-width: none; }
  .gallery { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .masthead-inner, .colophon-inner { width: calc(100% - 32px); }
  h1 { font-size: 1.78rem; }
  pre { font-size: 0.84rem; padding: 12px 14px; }
  .pager { grid-template-columns: 1fr; }
  .pager a.next { text-align: left; }
}