/* Three Tissue - a scan-report look: cool paper and teal ink by day, radiograph dark by night. */
:root {
  --bg: #eef2f1; --card: #ffffff; --ink: #142120; --muted: #56635f; --line: #d3dcd9; --soft: #e5ecea;
  --accent: #0a6c6a; --accent-ink: #ffffff; --focus: #0a6c6a;
  --lean: #168a7d; --fat: #d9822f; --bone: #a68b55; --head: #c9d3d0; --nodata: #e7ecea; --hatch: #a9b5b2;
  --clear-bg: #dcf1e4; --clear-fg: #1d5e37; --watch-bg: #fbeccb; --watch-fg: #7a4d00; --ask-bg: #fbdcd8; --ask-fg: #8f1d15;
  --note-bg: #e3e9e8; --note-fg: #34423f;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color-scheme: light;
}
:root[data-theme="dark"] {
  --bg: #0c1416; --card: #131f22; --ink: #e4eeec; --muted: #9db0ac; --line: #28393d; --soft: #1a2a2e;
  --accent: #4fc8b8; --accent-ink: #062320; --focus: #4fc8b8;
  --lean: #3bb8a6; --fat: #f0a05a; --bone: #e3d6b6; --head: #33474b; --nodata: #1c2c30; --hatch: #4a5f63;
  --clear-bg: #173a27; --clear-fg: #8fe0b0; --watch-bg: #3d2f10; --watch-fg: #f5cd78; --ask-bg: #44191a; --ask-fg: #ffaaa3;
  --note-bg: #22343a; --note-fg: #c6d6d3;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font: 15px/1.55 var(--sans); }
a { color: var(--accent); }
code { font-family: var(--mono); font-size: 0.86em; background: var(--soft); padding: 0 4px; border-radius: 4px; }
.hidden { display: none !important; }
.small { font-size: 13px; } .muted { color: var(--muted); } .mono { font-family: var(--mono); }
.warn { color: var(--watch-fg); }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

.bar { display: flex; align-items: center; gap: 12px; padding: 10px 20px; border-bottom: 1px solid var(--line); background: var(--card); position: sticky; top: 0; z-index: 5; flex-wrap: wrap; }
.back { font-size: 13px; text-decoration: none; color: var(--muted); }
.brand { display: flex; align-items: center; gap: 8px; font-family: var(--serif); font-size: 18px; margin-right: auto; }
.logo { width: 26px; height: 26px; }
.lg-bone { fill: var(--bone); } .lg-lean { fill: var(--lean); } .lg-fat { fill: var(--fat); }
.session { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.pill { font: 600 13px var(--sans); border: 1px solid var(--line); background: var(--card); color: var(--ink); border-radius: 999px; padding: 6px 14px; cursor: pointer; text-decoration: none; display: inline-block; }
.pill:hover:not(:disabled) { border-color: var(--accent); }
.pill.solid { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.pill.ghost { background: transparent; cursor: default; }
.pill.big { font-size: 15px; padding: 10px 22px; }
.pill.tiny { font-size: 12px; padding: 3px 10px; }
.pill:disabled { opacity: 0.5; cursor: not-allowed; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 18px 20px 40px; }
.hero { padding: 18px 0 8px; }
.kicker { text-transform: uppercase; letter-spacing: 0.12em; font-size: 12px; color: var(--accent); margin: 0 0 6px; font-weight: 700; }
h1 { font-family: var(--serif); font-weight: 600; font-size: clamp(28px, 4.4vw, 44px); line-height: 1.12; margin: 0 0 10px; }
h1 em { font-style: italic; color: var(--accent); }
h2 { font-family: var(--serif); font-weight: 600; font-size: 21px; margin: 0 0 10px; display: flex; align-items: center; gap: 10px; }
h3 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin: 16px 0 8px; }
.lede { max-width: 760px; font-size: 16px; margin: 0 0 14px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.chips-label { font-size: 13px; color: var(--muted); }
.chip { font: 600 13px var(--sans); border: 1px dashed var(--accent); background: transparent; color: var(--accent); padding: 6px 12px; border-radius: 6px; cursor: pointer; }
.chip.on { background: var(--accent); color: var(--accent-ink); border-style: solid; }

.card { background: var(--card); border: 1px solid var(--line); border-top: 3px solid var(--accent); border-radius: 8px; padding: 18px; margin: 14px 0; }
.two { display: grid; grid-template-columns: 1.25fr 1fr; gap: 14px; }
.two .card { margin: 14px 0 0; }
.stepno { display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; border: 2px solid var(--accent); color: var(--accent); font: 700 13px var(--sans); }
textarea, input, select { width: 100%; font: 14px var(--sans); color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: 8px 10px; }
#scans { font-family: var(--mono); font-size: 13px; }
.f { display: block; font-size: 13px; font-weight: 600; margin: 8px 0; }
.f input, .f select, .f textarea { margin-top: 4px; font-weight: 400; }
.opt { font-weight: 400; color: var(--muted); font-size: 12px; }
.grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.drop { border-radius: 8px; }
.drop.over { outline: 2px dashed var(--accent); outline-offset: 4px; }
.drop-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-top: 6px; }
.filebtn { font-size: 13px; color: var(--accent); cursor: pointer; text-decoration: underline; }
.filebtn input { display: none; }
.notes { list-style: none; padding: 0; margin: 10px 0; }
.notes li { padding: 6px 10px; border-left: 3px solid var(--line); margin: 4px 0; font-size: 13px; background: var(--soft); border-radius: 0 6px 6px 0; }
.notes li.warn { border-color: var(--watch-fg); color: var(--ink); }
.notes li.ok { border-color: var(--clear-fg); }
.notes li.info { border-color: var(--muted); }

.disp-top { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.disp-top h2 { margin: 0; margin-right: auto; }
.verdict-tag, .stamp { font: 700 12px var(--sans); text-transform: uppercase; letter-spacing: 0.06em; padding: 5px 10px; border-radius: 4px; background: var(--note-bg); color: var(--note-fg); }
.v-clear, .v-keep { background: var(--clear-bg); color: var(--clear-fg); }
.v-watch, .v-adjust { background: var(--watch-bg); color: var(--watch-fg); }
.v-ask, .v-rethink { background: var(--ask-bg); color: var(--ask-fg); }
.mapgrid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 18px; align-items: start; }
.bodybox { background: var(--soft); border-radius: 8px; padding: 8px; }
.bodymap { width: 100%; height: auto; display: block; max-height: 560px; }
.bv-head { fill: var(--head); }
.bv-lean { fill: var(--lean); }
.bv-fat { fill: var(--fat); opacity: 0.92; }
.bv-nodata-bg { fill: var(--nodata); } .bv-hatch { stroke: var(--hatch); stroke-width: 2; }
.bv-outline { fill: none; stroke: var(--ink); stroke-width: 1.2; opacity: 0.55; }
.bv-outline.bv-st-lopsided { stroke: var(--watch-fg); stroke-width: 3; stroke-dasharray: 6 4; opacity: 1; }
.bv-outline.bv-st-balanced { opacity: 0.8; }
.bv-label { font: 11px var(--sans); fill: var(--ink); }
.bv-lname { font-weight: 700; }
.bv-gap { font: 600 11px var(--sans); fill: var(--muted); }
.bv-gap.over { fill: var(--watch-fg); }
.bv-foot { font: 10px var(--sans); fill: var(--muted); }
.tbar { width: 100%; height: auto; display: block; }
.tb-bone { fill: var(--bone); } .tb-lean { fill: var(--lean); } .tb-fat { fill: var(--fat); }
.tb-label { font: 600 11px var(--sans); fill: var(--ink); } .tb-note { font: 10px var(--sans); fill: var(--muted); }
.flags { list-style: none; padding: 0; margin: 0; }
.flag, .finding { display: flex; gap: 10px; align-items: flex-start; padding: 8px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.flag:last-child, .finding:last-child { border-bottom: 0; }
.lvl { flex: none; font: 700 11px var(--sans); text-transform: uppercase; letter-spacing: 0.05em; padding: 2px 7px; border-radius: 4px; background: var(--note-bg); color: var(--note-fg); min-width: 50px; text-align: center; }
.lv-ask .lvl { background: var(--ask-bg); color: var(--ask-fg); }
.lv-watch .lvl { background: var(--watch-bg); color: var(--watch-fg); }
.legend { list-style: none; display: flex; flex-wrap: wrap; gap: 6px 16px; padding: 0; margin: 12px 0 0; color: var(--muted); }
.legend li { display: flex; align-items: center; gap: 6px; }
.sw { width: 14px; height: 14px; border-radius: 3px; display: inline-block; }
.sw-lean { background: var(--lean); } .sw-fat { background: var(--fat); } .sw-bone { background: var(--bone); }
.sw-nodata { background: repeating-linear-gradient(45deg, var(--nodata) 0 3px, var(--hatch) 3px 5px); }
.sw-lop { border: 2px dashed var(--watch-fg); }
.sp-head { margin-top: 18px; }
.sparks { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 10px; }
.sp-card { border: 1px solid var(--line); border-radius: 6px; padding: 8px 10px; background: var(--bg); }
.sp-top { display: flex; justify-content: space-between; gap: 6px; align-items: baseline; }
.sp-name { font-size: 12px; color: var(--muted); font-weight: 600; }
.sp-val { font: 700 14px var(--mono); }
.spark { width: 100%; height: 34px; display: block; margin: 4px 0; }
.sp-line { fill: none; stroke: var(--accent); stroke-width: 1.6; }
.sp-dot { fill: var(--accent); opacity: 0.6; } .sp-last { fill: var(--accent); }
.sp-delta { color: var(--muted); }
.rules { margin-top: 14px; font-size: 13px; }
.rules summary { cursor: pointer; color: var(--accent); font-weight: 600; }
.rules li { margin: 4px 0; }

.lanes { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 6px; }
.lane { font: 600 14px var(--sans); padding: 8px 14px; border-radius: 6px; border: 1px solid var(--line); background: var(--bg); color: var(--ink); cursor: pointer; }
.lane.on { border-color: var(--accent); box-shadow: inset 0 -3px 0 var(--accent); }
.lane-n { display: inline-grid; place-items: center; width: 20px; height: 20px; border-radius: 4px; background: var(--accent); color: var(--accent-ink); font-size: 12px; margin-right: 4px; }
.gate { background: var(--soft); padding: 8px 12px; border-radius: 6px; font-size: 14px; }
.runrow { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-top: 10px; }
.steps { list-style: none; padding: 0; margin: 8px 0; }
.step { padding: 3px 0; color: var(--muted); font-size: 14px; }
.step.done { color: var(--clear-fg); } .step.active { color: var(--ink); font-weight: 700; }
.step-ic { font-family: var(--mono); display: inline-block; width: 14px; }
.ptitle { font-weight: 700; margin: 0; }
.raw { white-space: pre-wrap; font: 12px var(--mono); max-height: 360px; overflow: auto; }

.rhead { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.rhead h2 { margin: 0; }
.summary { font-size: 16px; }
.tcards { list-style: none; padding: 0; margin: 12px 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.tcard { border: 1px solid var(--line); border-left: 6px solid var(--line); border-radius: 6px; padding: 10px 12px; background: var(--bg); }
.tcard p { margin: 6px 0 0; font-size: 14px; }
.tc-bone { border-left-color: var(--bone); } .tc-lean { border-left-color: var(--lean); } .tc-fat { border-left-color: var(--fat); }
.tc-top { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.tc-name { font: 700 15px var(--serif); text-transform: capitalize; }
.trend { font: 700 11px var(--sans); text-transform: uppercase; letter-spacing: 0.05em; padding: 2px 7px; border-radius: 4px; background: var(--note-bg); color: var(--note-fg); }
.twocol { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.regions, .qs, .targets, .lines-plain, .actions, .findings { list-style: none; padding: 0; margin: 0; }
.region { display: flex; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.region p { margin: 2px 0 0; font-size: 14px; }
.region b { text-transform: capitalize; }
.rs { flex: none; font: 700 11px var(--sans); text-transform: uppercase; padding: 2px 7px; border-radius: 4px; background: var(--clear-bg); color: var(--clear-fg); height: fit-content; min-width: 74px; text-align: center; }
.rs-lopsided { background: var(--watch-bg); color: var(--watch-fg); }
.rs-no-data { background: var(--note-bg); color: var(--note-fg); }
.finding p { margin: 2px 0 0; }
.topic { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.qs li { padding: 6px 0 6px 22px; position: relative; }
.qs li::before { content: "?"; position: absolute; left: 0; top: 6px; font: 700 13px var(--serif); color: var(--accent); }
.handoff { margin: 16px 0 6px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.recon { margin-top: 10px; }
.action { border: 1px solid var(--line); border-radius: 6px; padding: 10px 12px; margin: 8px 0; background: var(--bg); }
.action p { margin: 6px 0 0; color: var(--muted); }
.ac-top { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; }
.ac-text { flex: 1 1 260px; font-weight: 600; }
.stance { font: 700 11px var(--sans); text-transform: uppercase; padding: 2px 8px; border-radius: 4px; background: var(--note-bg); color: var(--note-fg); min-width: 62px; text-align: center; }
.st-keep .stance { background: var(--clear-bg); color: var(--clear-fg); }
.st-change .stance { background: var(--watch-bg); color: var(--watch-fg); }
.st-drop .stance { background: var(--ask-bg); color: var(--ask-fg); }
.st-add .stance { background: var(--accent); color: var(--accent-ink); }
.ev { font: 600 11px var(--sans); padding: 2px 8px; border-radius: 999px; border: 1px solid var(--line); color: var(--ink); white-space: nowrap; }
.ev-strong { border-color: var(--clear-fg); color: var(--clear-fg); }
.ev-moderate { border-color: var(--accent); color: var(--accent); }
.ev-low { border-color: var(--watch-fg); color: var(--watch-fg); }
.ev-very-low { border-color: var(--ask-fg); color: var(--ask-fg); }
.targets li, .lines-plain li { padding: 5px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.nextscan { font-weight: 600; margin-top: 10px; }
.none { color: var(--muted); font-style: italic; padding: 4px 0; }
.empty { padding: 30px; text-align: center; }
.tools { display: flex; gap: 8px; flex-wrap: wrap; }
.hist { list-style: none; padding: 0; margin: 10px 0 0; }
.hrow { display: flex; gap: 8px; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--line); }
.hinfo { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.foot { max-width: 1120px; margin: 0 auto; padding: 10px 20px 40px; font-size: 13px; color: var(--muted); }
.toasts { position: fixed; bottom: 16px; right: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 20; max-width: min(380px, calc(100vw - 32px)); }
.toast { background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--clear-fg); padding: 10px 12px; border-radius: 6px; font-size: 14px; box-shadow: 0 4px 16px rgba(0,0,0,0.15); transition: opacity 0.5s; }
.toast.err { border-left-color: var(--ask-fg); }
.toast.gone { opacity: 0; }

@media (max-width: 860px) {
  .two, .mapgrid, .twocol { grid-template-columns: 1fr; }
  .tcards { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .wrap { padding: 12px 16px 32px; }
  .bar { padding: 8px 16px; }
  .card { padding: 14px; }
  .grid3 { grid-template-columns: 1fr 1fr; }
  .grid3 .f:last-child { grid-column: span 2; }
  .sparks { grid-template-columns: 1fr 1fr; }
  .back { display: none; }
}

/* Docs pages (api.html, tokens.html). */
.doc { max-width: 920px; margin: 0 auto; padding: 24px 16px 48px; }
.doc h1 { font-size: 2rem; line-height: 1.2; }
.doc h2 { font-size: 1.35rem; margin-top: 32px; }
.doc h3 { font-size: 1rem; text-transform: none; letter-spacing: 0; color: var(--ink); margin-top: 22px; }
.doc pre { background: var(--soft); border: 1px solid var(--line); border-radius: 8px; padding: 12px; overflow-x: auto; font: 12.5px/1.45 var(--mono); max-width: 100%; }
.doc pre code { background: none; padding: 0; white-space: pre; }
.doc table { border-collapse: collapse; width: 100%; font-size: 14px; display: block; overflow-x: auto; }
.doc th, .doc td { text-align: left; padding: 6px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.doc td code { white-space: normal; }
.codegroup .tabs { display: flex; gap: 4px; flex-wrap: wrap; margin: 12px 0 0; }
.codegroup .tab { font: 600 12px var(--sans); padding: 4px 10px; border: 1px solid var(--line); background: var(--card); color: var(--ink); border-radius: 6px 6px 0 0; cursor: pointer; }
.codegroup .tab.active { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.codegroup pre { margin-top: 0; border-top-left-radius: 0; }
.statebox { border: 1px solid var(--line); border-radius: 8px; padding: 10px 14px; background: var(--card); }
.tokenrow { display: flex; gap: 8px; flex-wrap: wrap; margin: 8px 0; }
.tokenbox { font-family: var(--mono); font-size: 13px; background: var(--soft); padding: 8px 12px; border-radius: 6px; overflow-wrap: anywhere; flex: 1; }
.tb-legend { list-style: none; padding: 0; margin: 8px 0 0; display: flex; flex-wrap: wrap; gap: 4px 16px; font-size: 13px; font-weight: 600; }
.tb-legend li { display: flex; align-items: center; gap: 6px; }