:root {
  --paper: #e7e0d4;
  --sheet: #f6f2ea;
  --ink: #241e18;
  --muted: #6d645b;
  --faint: #8a8076;
  --line: rgba(36, 30, 24, 0.12);
  --pine: #1f3f38;
  --pine-ink: #f3eee4;
  --moss: #2f6a52;
  --moss-soft: #e5f0e8;
  --sand: #f4e7cf;
  --amber: #8d5b24;
  --clay: #8c3d32;
  --clay-soft: #f8e7e2;
  --serif: "Songti SC", "STSong", "Noto Serif SC", "Iowan Old Style", Palatino, "Palatino Linotype", serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Avenir Next", "Segoe UI", sans-serif;
  --shadow: 0 24px 60px rgba(48, 36, 22, 0.08);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
}

body {
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  background:
    radial-gradient(1200px 500px at 50% -10%, rgba(255, 252, 246, 0.9), transparent 60%),
    var(--paper);
}

button, input { font: inherit; color: inherit; }

button { cursor: pointer; }

::selection { background: #d5e4dc; }

.frame {
  width: min(760px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 72px;
}

.sheet {
  background: var(--sheet);
  border: 1px solid rgba(36, 30, 24, 0.08);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: 42px 44px 32px;
}

.kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.mark {
  width: 16px;
  height: 16px;
  border: 1.5px solid var(--pine);
  border-radius: 50%;
  position: relative;
  flex: none;
}

.mark::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 3px;
  width: 1.5px;
  height: 8px;
  background: var(--pine);
}

h1, h2, h3 { font-family: var(--serif); font-weight: 500; letter-spacing: -0.02em; }

h1 {
  margin: 0;
  font-size: clamp(40px, 6vw, 62px);
  line-height: 1.08;
}

.lead {
  max-width: 38em;
  margin: 18px 0 0;
  font-size: 17px;
  color: #3c342c;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 28px;
}

.meta span, .chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 10px;
  color: var(--muted);
  font-size: 13px;
}

.actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }

.primary, .ghost {
  border-radius: 999px;
  padding: 12px 22px;
  border: 1px solid transparent;
}

.primary {
  background: var(--pine);
  color: var(--pine-ink);
}

.primary:hover { background: #18332d; }

.primary:disabled {
  background: #c9c1b6;
  color: #6e675f;
  cursor: not-allowed;
}

.ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}

.ghost:hover { background: rgba(36, 30, 24, 0.04); }

.index {
  list-style: none;
  margin: 36px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 32px;
}

.index li {
  display: grid;
  grid-template-columns: 2.2em 1fr;
  gap: 8px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.index b {
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  color: var(--faint);
}

.fine {
  margin: 22px 0 0;
  color: var(--faint);
  font-size: 13px;
}

.field { margin: 22px 0; }

.field label, .section-label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.08em;
}

input[type="text"] {
  width: 100%;
  border: none;
  border-bottom: 1px solid rgba(36, 30, 24, 0.28);
  background: transparent;
  padding: 8px 0 10px;
  font-family: var(--serif);
  font-size: 28px;
  outline: none;
}

input[type="text"]:focus { border-bottom-color: var(--pine); }

.choices { display: grid; gap: 8px; }
.choices.split { grid-template-columns: 1fr 1fr; }

.choice {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  text-align: left;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: transparent;
}

.choice[aria-pressed="true"] {
  background: var(--pine);
  color: var(--pine-ink);
  border-color: var(--pine);
}

.choice i {
  font-style: normal;
  font-variant-numeric: tabular-nums;
  color: var(--faint);
  font-size: 13px;
}

.choice[aria-pressed="true"] i { color: rgba(243, 238, 228, 0.7); }

.hint { min-height: 1.4em; margin: 8px 0 0; color: var(--clay); font-size: 14px; }

.progress {
  height: 2px;
  background: rgba(36, 30, 24, 0.1);
  border-radius: 99px;
  margin-bottom: 22px;
}

.progress span {
  display: block;
  height: 100%;
  background: var(--pine);
  border-radius: inherit;
}

.q-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  color: var(--muted);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.question {
  margin: 14px 0 22px;
  font-family: var(--serif);
  font-size: clamp(26px, 4vw, 36px);
  line-height: 1.35;
  letter-spacing: -0.02em;
}

.prompt {
  margin: -8px 0 18px;
  color: var(--muted);
  font-size: 14px;
}

.options { display: grid; gap: 6px; }

.option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  text-align: left;
  padding: 13px 14px;
  border-radius: 12px;
  border: 1px solid transparent;
  background: transparent;
  font-size: 17px;
}

.option:hover { background: rgba(36, 30, 24, 0.04); }

.option[aria-checked="true"] {
  background: var(--pine);
  color: var(--pine-ink);
}

.option small {
  font-variant-numeric: tabular-nums;
  color: var(--faint);
}

.option[aria-checked="true"] small { color: rgba(243, 238, 228, 0.72); }

.nav {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 22px;
}

.verdict {
  margin: 8px 0 22px;
  padding: 16px 18px;
  border-radius: 14px;
  background: var(--moss-soft);
}

.verdict.positive { background: var(--sand); }

.verdict.urgent { background: var(--clay-soft); }

.verdict strong {
  display: block;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 500;
  margin-bottom: 4px;
}

.verdict p { margin: 0; }

.who {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 8px 0 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.who span { display: block; color: var(--faint); font-size: 12px; letter-spacing: 0.06em; }
.who b { display: block; margin-top: 4px; font-weight: 500; font-family: var(--serif); font-size: 18px; }

.metrics {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px 12px;
  margin: 4px 0 14px;
  padding-top: 4px;
}

.metric b {
  display: block;
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
}

.metric span { display: block; margin-top: 2px; color: var(--muted); font-size: 12px; line-height: 1.4; }

.flag {
  display: inline-block;
  margin-top: 4px;
  color: var(--clay);
  font-size: 12px;
}

.rules { list-style: none; margin: 18px 0; padding: 0; }

.rules li {
  display: grid;
  grid-template-columns: 4.5em 1fr;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.rules li:last-child { border-bottom: 1px solid var(--line); }

.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 24px;
  border-radius: 999px;
  font-size: 12px;
  background: var(--moss-soft);
  color: var(--moss);
}

.pill.hit { background: var(--clay-soft); color: var(--clay); }

h2 { font-size: 28px; margin: 28px 0 6px; }

.sub { margin: 0 0 8px; color: var(--muted); font-size: 14px; }

.factor { padding: 16px 0; border-top: 1px solid var(--line); }

.factor header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
}

.factor h3 { margin: 0; font-size: 20px; }

.factor header em { font-style: normal; color: var(--muted); font-size: 13px; }

.level { font-size: 13px; color: var(--moss); }
.level.mild { color: var(--amber); }
.level.moderate, .level.severe { color: var(--clay); }

.bar {
  position: relative;
  height: 8px;
  margin: 12px 0 8px;
  border-radius: 99px;
  background: rgba(36, 30, 24, 0.08);
}

.bar i, .bar b {
  position: absolute;
  top: 0;
  height: 100%;
  border-radius: inherit;
}

.bar b { left: 0; background: var(--moss); }
.bar b.mild { background: #c48a3a; }
.bar b.moderate { background: #b15a34; }
.bar b.severe { background: var(--clay); }

.bar .cut, .bar .norm {
  width: 1.5px;
  top: -3px;
  height: 14px;
  border-radius: 0;
  background: var(--ink);
}

.bar .norm { background: var(--faint); }

.scale-note { color: var(--faint); font-size: 12px; font-variant-numeric: tabular-nums; }

.factor p { margin: 8px 0 0; }

.about { display: block; margin-top: 4px; color: var(--muted); font-size: 14px; font-style: normal; }

.guidance { margin: 8px 0 0; padding-left: 1.1em; }
.guidance li { margin: 8px 0; }

.symptoms { list-style: none; margin: 8px 0 0; padding: 0; }

.symptoms li {
  display: grid;
  grid-template-columns: 2.4em 1fr auto;
  gap: 8px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.symptoms b { font-weight: 500; font-variant-numeric: tabular-nums; color: var(--faint); }

.ledger { margin-top: 18px; }

.ledger summary { cursor: pointer; color: var(--muted); }

.ledger ol { margin: 12px 0 0; padding: 0; list-style: none; }

.ledger li {
  display: grid;
  grid-template-columns: 2.4em 1fr auto;
  gap: 8px;
  padding: 6px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}

.formulas {
  margin-top: 22px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: 13px;
}

.formulas p { margin: 6px 0; }

@media (max-width: 720px) {
  .sheet { padding: 28px 20px 22px; border-radius: 18px; }
  .frame { width: min(760px, calc(100% - 20px)); padding-top: 20px; }
  .who, .metrics { grid-template-columns: 1fr 1fr; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .index { grid-template-columns: 1fr; }
  .metric b { font-size: 24px; }
}

@media print {
  body { background: white; }
  .sheet { box-shadow: none; border: none; }
  .actions, .nav, .primary, .ghost, .sc-share { display: none !important; }
}