:root {
  color-scheme: light;
  --paper: #f3f5f3;
  --surface: #ffffff;
  --sunk: #e9edea;
  --ink: #17201d;
  --muted: #5a6762;
  --rule: #d4dbd7;
  --accent: #2b5c8f;
  --accent-soft: #dfe8f2;
  --label: #f1c84b;
  --label-ink: #2a2206;
  --good: #2f7a4b;
  --good-soft: #dcefe2;
  --warn: #a86b12;
  --warn-soft: #f6e7cc;
  --bad: #b23b3b;
  --bad-soft: #f6dcdc;
  --ui: "IBM Plex Sans Condensed", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --read: "Source Serif 4", Georgia, "Times New Roman", serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --head-h: 56px;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --paper: #0f1412;
    --surface: #171d1b;
    --sunk: #1d2522;
    --ink: #e3e9e6;
    --muted: #93a19b;
    --rule: #2a3330;
    --accent: #86aedb;
    --accent-soft: #1d2b3b;
    --label: #d8b23e;
    --label-ink: #1f1903;
    --good: #6cc08b;
    --good-soft: #17301f;
    --warn: #e0a84a;
    --warn-soft: #33260f;
    --bad: #e57c7c;
    --bad-soft: #3a1c1c;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 15px/1.45 var(--ui); padding-top: env(safe-area-inset-top, 0px); }
[hidden] { display: none !important; }
button, input, textarea, select { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
a { color: var(--accent); }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
h1, h2, h3 { text-wrap: balance; margin: 0; line-height: 1.15; }
.muted { color: var(--muted); }

/* ---------- top bar ---------- */
.top { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 10; background: var(--paper); border-bottom: 1px solid var(--rule); }
.top-inner { max-width: 1280px; margin: 0 auto; padding: 8px 16px; min-height: var(--head-h); display: flex; flex-wrap: wrap; align-items: center; gap: 8px 22px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; color: var(--ink); text-decoration: none; }
.brand-mark { background: var(--label); color: var(--label-ink); font-size: 13px; padding: 2px 6px; border-radius: 3px; letter-spacing: 0.06em; }
.nav { display: flex; gap: 4px; flex: 1; }
.nav a { color: var(--muted); text-decoration: none; font-weight: 600; font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase; padding: 6px 10px; border-radius: 5px; }
.nav a[aria-current="page"] { color: var(--paper); background: var(--ink); }
.linkish { background: none; border: 0; color: var(--muted); cursor: pointer; font-size: 13px; padding: 4px 0; }
.linkish:hover { color: var(--ink); }

.wrap { max-width: 1280px; margin: 0 auto; padding-inline: 16px; padding-block: 20px 56px; }
.page-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.page-head h1 { font-size: 28px; }
.page-head p { margin: 6px 0 0; color: var(--muted); max-width: 70ch; }
.section-title { font-size: 12px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin: 28px 0 10px; }

/* ---------- buttons & forms ---------- */
.btn { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--ink); background: var(--ink); color: var(--paper); border-radius: 5px; padding: 8px 14px; font-weight: 600; cursor: pointer; text-decoration: none; font-size: 14px; }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.small { padding: 4px 10px; font-size: 13px; }
.btn.danger { background: transparent; color: var(--bad); border-color: var(--bad); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.form { display: grid; gap: 14px; max-width: 760px; }
.field { display: grid; gap: 5px; }
.field > label, .lbl { font-size: 11px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.field .hint { font-size: 12px; color: var(--muted); }
.field input[type=text], .field input[type=password], .field input[type=number], .field input[type=search], .field select, .field textarea, .input {
  width: 100%; border: 1px solid var(--rule); background: var(--surface); border-radius: 5px; padding: 7px 9px; font-size: 14px;
}
.field textarea { resize: vertical; min-height: 70px; line-height: 1.45; }
.field textarea.code, .code { font-family: var(--mono); font-size: 13px; }
.grid2 { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.check { display: flex; gap: 8px; align-items: flex-start; cursor: pointer; }
.check input { margin-top: 3px; }
.error-box { background: var(--bad-soft); color: var(--bad); padding: 10px 12px; border-radius: 6px; }
.panel { background: var(--surface); border: 1px solid var(--rule); border-radius: 8px; padding: 16px; }

/* ---------- login ---------- */
.login { max-width: 380px; margin: 12vh auto 0; display: grid; gap: 16px; }
.login h1 { font-size: 30px; display: flex; align-items: center; gap: 10px; }

/* ---------- lists / tables ---------- */
.table-scroll { overflow-x: auto; border: 1px solid var(--rule); border-radius: 8px; background: var(--surface); }
table.list { border-collapse: collapse; width: 100%; font-size: 14px; font-variant-numeric: tabular-nums; }
table.list th, table.list td { padding: 9px 12px; border-bottom: 1px solid var(--rule); text-align: left; vertical-align: middle; }
table.list thead th { font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); font-weight: 600; background: var(--sunk); white-space: nowrap; }
table.list tbody tr:last-child td { border-bottom: 0; }
table.list td.num, table.list th.num { text-align: right; font-family: var(--mono); }
table.list tr.off td { color: var(--muted); }
.chip { display: inline-block; font-size: 11px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; padding: 2px 7px; border-radius: 3px; background: var(--sunk); color: var(--muted); white-space: nowrap; }
.chip.on { background: var(--good-soft); color: var(--good); }
.chip.warn { background: var(--warn-soft); color: var(--warn); }
.chip.bad { background: var(--bad-soft); color: var(--bad); }
.chip.accent { background: var(--accent-soft); color: var(--accent); }
.newer { font-size: 12px; color: var(--warn); background: none; border: 0; padding: 0; cursor: pointer; text-decoration: underline; }

.runs { display: grid; gap: 10px; }
.run-card { display: grid; gap: 8px; grid-template-columns: minmax(0, 1fr) auto; align-items: center; background: var(--surface); border: 1px solid var(--rule); border-radius: 8px; padding: 14px 16px; color: var(--ink); text-decoration: none; }
.run-card:hover { border-color: var(--muted); }
.run-card .title { font-weight: 700; font-size: 16px; }
.run-card .meta { font-size: 13px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 4px 14px; }
.run-card .right { display: grid; gap: 6px; justify-items: end; }
.meter { display: flex; height: 6px; width: 180px; max-width: 40vw; background: var(--sunk); border-radius: 3px; overflow: hidden; }
.meter i { display: block; height: 100%; }
.meter .m-done { background: var(--good); }
.meter .m-fail { background: var(--bad); }
.meter .m-scored { background: var(--accent); }
.empty { padding: 36px 0; color: var(--muted); }

/* ---------- new run ---------- */
.pick { display: grid; gap: 6px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.pick label { display: flex; gap: 8px; align-items: flex-start; background: var(--surface); border: 1px solid var(--rule); border-radius: 6px; padding: 8px 10px; cursor: pointer; }
.pick label:has(input:checked) { border-color: var(--ink); }
.pick .sub { display: block; font-size: 12px; color: var(--muted); }
.estimate { font-size: 14px; }

/* ---------- run view ---------- */
.run-status { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; font-size: 13px; color: var(--muted); }
.progress { display: flex; align-items: center; gap: 10px; min-width: 200px; flex: 1; }
.bar { flex: 1; height: 6px; background: var(--sunk); border-radius: 3px; overflow: hidden; max-width: 320px; }
.bar i { display: block; height: 100%; width: 0; background: var(--accent); transition: width .3s ease; }
.tabs { display: flex; gap: 6px; border-bottom: 1px solid var(--rule); margin: 18px 0 0; }
.tabs button { border: 0; border-bottom: 3px solid transparent; background: none; padding: 8px 12px; cursor: pointer; font-weight: 600; font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.tabs button[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--ink); }

.tasks { display: flex; gap: 8px; overflow-x: auto; padding: 16px 0 4px; }
.task-tab { flex: 0 0 auto; text-align: left; cursor: pointer; border: 1px solid var(--rule); background: var(--surface); border-radius: 6px; padding: 8px 12px; display: grid; gap: 2px; min-width: 160px; }
.task-tab .tid { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.task-tab .ttl { font-weight: 600; font-size: 14px; }
.task-tab .tp { font-size: 12px; color: var(--muted); }
.task-tab[aria-selected="true"] { border-color: var(--ink); box-shadow: inset 0 -3px 0 var(--ink); }
.task-tab.done .tp { color: var(--good); }

.brief { margin-top: 16px; display: grid; gap: 14px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 900px) { .brief { grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); align-items: start; } }
.brief-main { display: grid; gap: 10px; }
.kind { justify-self: start; font-size: 11px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; padding: 2px 8px; border-radius: 3px; background: var(--accent-soft); color: var(--accent); }
.kind.stretch { background: var(--warn-soft); color: var(--warn); }
.brief h2 { font-size: 26px; font-weight: 700; }
.prompt { margin: 0; padding: 12px 14px; background: var(--surface); border: 1px solid var(--rule); border-radius: 6px; font-family: var(--read); font-size: 16px; line-height: 1.55; max-width: 70ch; }
.files { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; font-size: 12px; color: var(--muted); }
.files code { font-family: var(--mono); background: var(--sunk); padding: 1px 6px; border-radius: 3px; color: var(--ink); }
.keycard { background: var(--surface); border: 1px solid var(--rule); border-radius: 6px; }
.keycard summary { cursor: pointer; padding: 10px 14px; font-weight: 600; font-size: 13px; letter-spacing: 0.05em; text-transform: uppercase; }
.keycard .kbody { padding: 0 14px 12px; display: grid; gap: 10px; font-size: 14px; }
.keycard h3 { font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); font-weight: 600; margin-bottom: 4px; }
.keycard ul { margin: 0; padding-left: 18px; display: grid; gap: 4px; }
.keycard .traps li::marker { color: var(--bad); }
.jump { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-top: 16px; font-size: 12px; color: var(--muted); }
.jump a { font-family: var(--mono); font-size: 13px; text-decoration: none; color: var(--ink); border: 1px solid var(--rule); border-radius: 3px; padding: 2px 7px; background: var(--surface); }
.jump a.scored { background: var(--label); border-color: var(--label); color: var(--label-ink); }
.jump a.pending { color: var(--muted); border-style: dashed; }

.samples { display: grid; gap: 22px; margin-top: 18px; }
.sample { display: grid; grid-template-columns: minmax(0, 1fr); background: var(--surface); border: 1px solid var(--rule); border-radius: 8px; scroll-margin-top: calc(var(--head-h) + 20px); }
@media (min-width: 900px) { .sample { grid-template-columns: minmax(0, 1fr) 300px; } }
.sample-body { padding: 16px 18px 20px; min-width: 0; }
.sample-head { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 10px; }
.code-tag { font-family: var(--mono); font-weight: 500; font-size: 15px; letter-spacing: 0.08em; background: var(--label); color: var(--label-ink); padding: 3px 9px; border-radius: 3px; }
.sample-head .meta { font-size: 12px; color: var(--muted); }
.who { font-size: 13px; font-weight: 600; color: var(--accent); }
.who .cost { font-family: var(--mono); font-weight: 400; color: var(--muted); margin-left: 6px; }
.note-stop { font-size: 13px; color: var(--warn); background: var(--warn-soft); padding: 6px 10px; border-radius: 4px; margin: 0 0 10px; }
.waiting { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 14px; padding: 10px 0; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); animation: pulse 1.2s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: 0.25; } }

.prose { font-family: var(--read); font-size: 16.5px; line-height: 1.6; max-width: 72ch; overflow-wrap: anywhere; }
.prose > :first-child { margin-top: 0; }
.prose h1, .prose h2, .prose h3, .prose h4 { font-family: var(--ui); line-height: 1.25; margin: 1.2em 0 0.4em; }
.prose h1 { font-size: 21px; } .prose h2 { font-size: 19px; } .prose h3, .prose h4 { font-size: 17px; }
.prose p, .prose ul, .prose ol { margin: 0.6em 0; }
.prose li + li { margin-top: 0.2em; }
.prose code { font-family: var(--mono); font-size: 0.86em; background: var(--sunk); padding: 1px 4px; border-radius: 3px; }
.prose pre { font-family: var(--mono); font-size: 13px; line-height: 1.5; background: var(--sunk); padding: 10px 12px; border-radius: 5px; overflow-x: auto; }
.prose pre code { background: none; padding: 0; }
.prose blockquote { margin: 0.8em 0; padding-left: 12px; border-left: 3px solid var(--rule); color: var(--muted); }
.prose hr { border: 0; border-top: 1px solid var(--rule); margin: 1.2em 0; }
.tablewrap { overflow-x: auto; margin: 0.8em 0; }
.prose table { border-collapse: collapse; font-family: var(--ui); font-size: 14px; font-variant-numeric: tabular-nums; }
.prose th, .prose td { border: 1px solid var(--rule); padding: 5px 8px; text-align: left; vertical-align: top; }
.prose th { background: var(--sunk); }

.sheet { padding: 16px 16px 18px; border-top: 1px dashed var(--rule); background: var(--paper); display: grid; gap: 14px; align-content: start; border-radius: 0 0 8px 8px; }
@media (min-width: 900px) {
  .sheet { border-top: 0; border-left: 1px dashed var(--rule); border-radius: 0 8px 8px 0; position: sticky; top: calc(env(safe-area-inset-top, 0px) + var(--head-h) + 12px); align-self: start; }
}
.sheet fieldset { border: 0; padding: 0; margin: 0; display: grid; gap: 6px; }
.sheet legend { padding: 0; font-size: 11px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.seg { display: grid; gap: 4px; position: relative; }
.seg.v4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.seg.t3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.seg.q5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg label { display: block; text-align: center; cursor: pointer; user-select: none; border: 1px solid var(--rule); background: var(--surface); border-radius: 4px; padding: 6px 4px; font-size: 13px; font-weight: 500; }
.seg label:hover { border-color: var(--muted); }
.seg input:focus-visible + label { outline: 2px solid var(--accent); outline-offset: 1px; }
.seg input:checked + label { color: var(--paper); border-color: transparent; background: var(--ink); }
.seg input[value="ship"]:checked + label, .seg input[value="avoided"]:checked + label { background: var(--good); }
.seg input[value="light"]:checked + label { background: var(--accent); }
.seg input[value="heavy"]:checked + label, .seg input[value="partly"]:checked + label { background: var(--warn); }
.seg input[value="reject"]:checked + label, .seg input[value="fell"]:checked + label { background: var(--bad); }
.seg.q5 label { font-family: var(--mono); }
.sheet textarea { width: 100%; min-height: 64px; resize: vertical; border: 1px solid var(--rule); border-radius: 4px; background: var(--surface); padding: 6px 8px; font-size: 14px; }
.saved { font-size: 12px; color: var(--muted); min-height: 1.2em; margin: 0; }
.saved.err { color: var(--bad); }
.manual { margin-top: 22px; }
.manual summary { cursor: pointer; font-weight: 600; font-size: 14px; color: var(--accent); }

/* ---------- scorecard ---------- */
.gate { margin-top: 18px; display: grid; gap: 12px; max-width: 720px; }
.gate-row { display: grid; grid-template-columns: 44px minmax(0, 1fr) auto; gap: 10px; align-items: center; font-size: 14px; }
.confirm { display: grid; gap: 10px; padding: 12px; border-radius: 6px; background: var(--warn-soft); }
.confirm p { margin: 0; }
.pill { display: inline-block; min-width: 3.4em; text-align: center; padding: 1px 6px; border-radius: 3px; font-family: var(--mono); font-size: 13px; }
.pill.p3 { background: var(--good-soft); color: var(--good); }
.pill.p2 { background: var(--accent-soft); color: var(--accent); }
.pill.p1 { background: var(--warn-soft); color: var(--warn); }
.pill.p0 { background: var(--bad-soft); color: var(--bad); }
.pill.na { color: var(--muted); }
.q { font-family: var(--mono); font-size: 12px; color: var(--muted); margin-left: 4px; }
.trapflag { color: var(--bad); font-weight: 700; margin-left: 3px; }
.routes { margin-top: 22px; display: grid; gap: 10px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.route { background: var(--surface); border: 1px solid var(--rule); border-radius: 8px; padding: 12px 14px; display: grid; gap: 4px; }
.route .tid { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.route .best { font-weight: 700; font-size: 16px; }
.route .alt { font-size: 13px; color: var(--muted); }
.legend { font-size: 12px; color: var(--muted); margin-top: 10px; }

/* ---------- models ---------- */
.providers { display: grid; gap: 10px; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.provider { background: var(--surface); border: 1px solid var(--rule); border-radius: 8px; padding: 12px 14px; display: grid; gap: 6px; }
.provider .name { font-weight: 700; font-size: 16px; }
.provider .meta { font-size: 13px; color: var(--muted); overflow-wrap: anywhere; }
.editor { margin-top: 16px; }
.catalog { border: 1px solid var(--rule); border-radius: 6px; background: var(--surface); max-height: 320px; overflow-y: auto; }
.catalog button { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2px 12px; width: 100%; text-align: left; border: 0; border-bottom: 1px solid var(--rule); background: none; padding: 7px 10px; cursor: pointer; }
.catalog button:hover, .catalog button:focus-visible { background: var(--accent-soft); }
.catalog .cid { font-family: var(--mono); font-size: 13px; overflow-wrap: anywhere; }
.catalog .cname { font-size: 12px; color: var(--muted); }
.catalog .cmeta { font-family: var(--mono); font-size: 12px; color: var(--muted); text-align: right; grid-row: span 2; align-self: center; white-space: nowrap; }
.test-out { font-size: 13px; }

/* ---------- tasks ---------- */
.file-edit { display: grid; gap: 6px; background: var(--surface); border: 1px solid var(--rule); border-radius: 6px; padding: 10px; }
.file-edit textarea { min-height: 140px; }

.toast { position: fixed; left: 50%; bottom: calc(16px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%); background: var(--ink); color: var(--paper); padding: 8px 14px; border-radius: 6px; font-size: 14px; z-index: 20; max-width: calc(100vw - 32px); }

@media (max-width: 700px) {
  .top { position: static; }
  .sample { scroll-margin-top: 12px; }
  .brief h2, .page-head h1 { font-size: 22px; }
  .run-card { grid-template-columns: minmax(0, 1fr); }
  .run-card .right { justify-items: start; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }