:root {
  color-scheme: light;
  --paper: #f4f2ed;
  --surface: #fffdfa;
  --ink: #15231f;
  --muted: #65716c;
  --line: #d9ddd8;
  --teal: #0b7667;
  --teal-soft: #e2f1ec;
  --amber: #96691d;
  --amber-soft: #f6ecd8;
  --red: #a24032;
  --shadow: 0 12px 32px rgba(28, 40, 35, .07);
  font-family: Inter, "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); }
button, select { font: inherit; }

.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 20; background: var(--ink); color: white; padding: .7rem 1rem; }
.skip-link:focus { top: 1rem; }
.topbar { min-height: 76px; padding: 14px clamp(20px, 4vw, 64px); display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--line); background: rgba(255, 253, 250, .94); position: sticky; top: 0; z-index: 10; }
.brand-lockup { display: flex; gap: 12px; align-items: center; }
.brand-mark { width: 40px; height: 40px; border-radius: 10px; background: var(--ink); color: white; display: grid; place-items: center; font-weight: 750; letter-spacing: -.04em; }
.brand-lockup div { display: grid; gap: 2px; }
.brand-lockup span:last-child { font-size: 12px; color: var(--muted); letter-spacing: .06em; text-transform: uppercase; }
.controls { display: flex; gap: 12px; }
.controls label { font-size: 12px; color: var(--muted); display: grid; gap: 4px; }
.controls select { min-width: 180px; border: 1px solid var(--line); border-radius: 8px; padding: 8px 34px 8px 10px; background: var(--surface); color: var(--ink); }

main { max-width: 1440px; margin: auto; padding: 28px clamp(20px, 4vw, 64px) 80px; }
.hero { margin-bottom: 16px; }
.hero-copy { max-width: 1120px; }
.eyebrow, .section-kicker { text-transform: uppercase; letter-spacing: .1em; font-size: 11px; font-weight: 700; color: var(--teal); }
h1 { font-size: clamp(34px, 4vw, 52px); letter-spacing: -.045em; line-height: 1; margin: .15em 0; }
.lede { font-size: 16px; line-height: 1.6; color: var(--muted); margin: 0; }
.status-panel { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr); gap: 28px; padding: 24px 26px; margin-bottom: 12px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); box-shadow: var(--shadow); }
.status-line { display: flex; align-items: center; gap: 12px; margin: 7px 0 8px; }
.status-line h2 { margin: 0; font-size: clamp(25px, 3vw, 36px); letter-spacing: -.035em; }
.status-badge { flex: 0 0 auto; border-radius: 999px; padding: 6px 10px; color: #31534a; background: #e6eeeb; font-size: 12px; font-weight: 700; }
.status-badge[data-state="awaiting_input"] { color: #66501f; background: #f3ecd9; }
.status-badge[data-state="closed"] { color: #4f5753; background: #eceeec; }
.status-summary { color: var(--muted); line-height: 1.6; margin: 0; }
.next-action { align-self: stretch; display: grid; align-content: center; gap: 8px; padding: 18px 20px; border-radius: 12px; background: #edf5f1; border-left: 3px solid var(--teal); }
.next-action span, .retest-strip span { color: var(--muted); font-size: 12px; }
.next-action strong { font-size: 17px; line-height: 1.55; }
.retest-strip { display: grid; grid-template-columns: auto auto minmax(0, 1fr); gap: 20px; align-items: center; padding: 13px 18px; margin-bottom: 12px; border: 1px solid #e4d9be; border-radius: 11px; background: #faf6ec; }
.retest-strip div { display: grid; gap: 3px; min-width: 112px; }
.retest-strip strong { font-size: 14px; }
.retest-strip p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.5; }
.section-nav { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.section-nav a { color: var(--muted); text-decoration: none; font-size: 12px; padding: 7px 10px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,253,250,.6); }
.section-nav a:hover, .section-nav a:focus-visible { color: var(--teal); border-color: #9fc6ba; }

.measurement-strip { margin-bottom: 18px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 11px; background: rgba(255, 253, 250, .66); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.measurement-strip div { min-width: 0; display: grid; gap: 4px; }
.measurement-strip strong { font-size: 13px; }
.measurement-strip span { color: var(--muted); font-size: 12px; line-height: 1.45; }
.quiet-button, .text-button { border: 0; background: none; color: var(--teal); font-weight: 650; cursor: pointer; }
.quiet-button { border: 1px solid var(--line); background: var(--surface); border-radius: 8px; padding: 9px 13px; white-space: nowrap; }

.dashboard-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 18px; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 26px; box-shadow: var(--shadow); }
.panel h2 { font-size: 23px; line-height: 1.25; margin: 8px 0 10px; letter-spacing: -.02em; }
.panel p { line-height: 1.65; }
.panel-summary { color: var(--muted); }

.recognition-panel { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(280px, .85fr) minmax(440px, 1.15fr); gap: 42px; align-items: start; }
.recognition-copy .text-button { margin-top: 8px; }
.metric-list { display: grid; gap: 3px; }
.metric { display: grid; grid-template-columns: minmax(150px, 1fr) auto; align-items: center; gap: 16px; padding: 14px 0; border-top: 1px solid var(--line); }
.metric:first-child { border-top: 0; padding-top: 2px; }
.metric strong { font-size: 18px; font-weight: 650; color: #3d4b46; }
.metric span { display: block; color: var(--muted); font-size: 12px; line-height: 1.45; margin-top: 3px; }

.intents-panel, .discovery-panel { grid-column: 1 / -1; }
.discovery-premise { margin-top: 20px; border: 1px solid #d6dce0; background: #f1f4f6; border-radius: 10px; padding: 15px 18px; display: flex; align-items: center; gap: 18px; }
.discovery-premise strong { flex: 0 0 auto; font-size: 18px; font-weight: 650; color: #53646c; }
.discovery-premise div, .discovery-result div { display: grid; gap: 3px; }
.discovery-premise b, .discovery-result b { font-size: 14px; }
.discovery-premise span, .discovery-result span { font-size: 12px; color: var(--muted); }
.discovery-results { margin: 12px 0 16px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.discovery-result { padding: 16px 18px; border: 1px solid var(--line); border-radius: 10px; display: flex; align-items: center; gap: 18px; }
.discovery-result strong { flex: 0 0 auto; min-width: 72px; font-size: 19px; font-weight: 650; color: #3d4b46; }
.inline-warning, .notice { background: var(--amber-soft); color: #624617; border-radius: 8px; padding: 12px 14px; font-size: 13px; }
.notice { margin-bottom: 18px; }
.evidence-panel { grid-column: span 7; }
.findings-panel { grid-column: span 5; }
.decision-panel { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 32px; }
.decision-why { border-left: 2px solid var(--teal); padding-left: 14px; color: var(--ink); }
.decision-state { display: grid; align-content: center; gap: 7px; padding: 18px; border-radius: 11px; background: #f1f4f1; }
.decision-state span, .decision-state small { color: var(--muted); font-size: 12px; }
.decision-state strong { font-size: 20px; }
.history-panel { grid-column: 1 / -1; }
.history-list { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; margin-top: 18px; }
.history-item { padding: 15px 17px; border: 1px solid var(--line); border-radius: 10px; background: #f7f8f5; }
.history-item h3 { margin: 0 0 5px; font-size: 15px; }
.history-item p { margin: 0; color: var(--muted); font-size: 13px; }
dl { display: grid; grid-template-columns: minmax(150px, .6fr) minmax(0,1.4fr); gap: 7px 14px; font: 12px ui-monospace, SFMono-Regular, Consolas, monospace; overflow-wrap: anywhere; }
dt { color: var(--muted); } dd { margin: 0; }

.hidden { display: none !important; }
.error-banner { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--red); color: white; padding: 12px 18px; border-radius: 8px; }
dialog { width: min(760px, calc(100vw - 32px)); max-height: min(84vh, 900px); border: 1px solid var(--line); border-radius: 14px; padding: 0; box-shadow: 0 30px 100px rgba(0, 0, 0, .22); }
dialog::backdrop { background: rgba(10, 25, 20, .46); }
dialog form { padding: 30px; position: relative; }
.dialog-close { position: absolute; right: 16px; top: 12px; border: 0; background: none; font-size: 28px; cursor: pointer; }

@media (max-width: 980px) {
  .recognition-panel { grid-template-columns: 1fr; gap: 22px; }
  .evidence-panel, .findings-panel { grid-column: 1 / -1; }
	.status-panel, .decision-panel { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
  .topbar { align-items: stretch; flex-direction: column; position: relative; }
  .controls { display: grid; grid-template-columns: 1fr 1fr; }
  .controls select { min-width: 0; width: 100%; }
  main { padding-top: 30px; }
  .measurement-strip { align-items: flex-start; flex-direction: column; gap: 12px; }
	.retest-strip { grid-template-columns: 1fr 1fr; }
	.retest-strip p { grid-column: 1 / -1; }
}

@media (max-width: 540px) {
  .controls, .discovery-results { grid-template-columns: 1fr; }
  .executive-summary { font-size: 19px; }
  .discovery-premise, .discovery-result { align-items: flex-start; }
  .panel { padding: 20px; }
	.status-panel { padding: 20px; }
	.status-line { align-items: flex-start; flex-direction: column; }
	.history-list { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }