:root {
  --bg: #fff7ed;
  --surface: #ffffff;
  --text: #1f2937;
  --muted: #64748b;
  --line: #fed7aa;
  --brand: #f97316;
  --brand-dark: #c2410c;
  --severe: #dc2626;
  --moderate: #d97706;
  --low: #15803d;
  --unknown: #64748b;
  --shadow: 0 18px 45px rgba(124, 45, 18, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: linear-gradient(180deg, #fff7ed 0%, #fffbeb 55%, #ffffff 100%);
  color: var(--text);
  font-family: "Noto Sans TC", "Microsoft JhengHei", system-ui, sans-serif;
  line-height: 1.6;
}

.shell {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 44px;
}

.hero {
  padding: 24px 0 18px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--brand-dark);
  font-size: 0.95rem;
  font-weight: 700;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 12px;
  font-size: clamp(2rem, 7vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 4px;
  font-size: 1.25rem;
}

.lead {
  max-width: 760px;
  margin-bottom: 0;
  color: #475569;
  font-size: 1.08rem;
}

.scope-note {
  max-width: 820px;
  margin: 14px 0 0;
  border-left: 4px solid var(--brand);
  border-radius: 8px;
  background: rgba(255, 237, 213, 0.72);
  color: #7c2d12;
  padding: 10px 12px;
  font-size: 0.96rem;
}

.lookup-panel,
.summary,
.notes,
.follow-panel,
.result-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.lookup-panel {
  padding: 18px;
}

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.panel-head p,
footer p {
  margin-bottom: 0;
  color: var(--muted);
}

.limit-badge {
  flex: 0 0 auto;
  border-radius: 999px;
  background: #ffedd5;
  color: var(--brand-dark);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 5px 10px;
}

.inputs {
  display: grid;
  gap: 12px;
}

.field label {
  display: block;
  margin-bottom: 6px;
  font-weight: 700;
}

.field input {
  width: 100%;
  min-height: 48px;
  border: 1px solid #fdba74;
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--text);
  font: inherit;
  background: #fff;
}

.field input:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.18);
  outline: none;
}

.suggestions {
  display: none;
  margin-top: 6px;
  border: 1px solid #fed7aa;
  border-radius: 8px;
  background: #fff;
  overflow: hidden;
}

.suggestions.is-open {
  display: block;
}

.suggestion {
  width: 100%;
  border: 0;
  border-bottom: 1px solid #ffedd5;
  padding: 9px 10px;
  background: #fff;
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.suggestion:last-child {
  border-bottom: 0;
}

.suggestion small {
  display: block;
  color: var(--muted);
}

.actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

button {
  min-height: 44px;
  border: 0;
  border-radius: 8px;
  background: var(--brand);
  color: #fff;
  font: inherit;
  font-weight: 800;
  padding: 10px 16px;
  cursor: pointer;
}

button.secondary {
  border: 1px solid #fdba74;
  background: #fff;
  color: var(--brand-dark);
}

.summary {
  margin-top: 16px;
  padding: 16px;
}

.summary strong {
  color: var(--brand-dark);
}

.results {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.result-card {
  padding: 16px;
}

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.card-top h3 {
  margin-bottom: 2px;
  font-size: 1.08rem;
}

.matched {
  color: var(--muted);
  font-size: 0.92rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  color: #fff;
  font-size: 0.88rem;
  font-weight: 800;
  line-height: 1;
  padding: 7px 10px;
  white-space: nowrap;
}

.pill.severe {
  background: var(--severe);
}

.pill.moderate {
  background: var(--moderate);
}

.pill.low {
  background: var(--low);
}

.pill.unknown {
  background: var(--unknown);
}

.advice {
  margin-bottom: 10px;
  font-weight: 700;
}

.next-action {
  margin: 0 0 10px;
  border-radius: 8px;
  background: #fff7ed;
  border: 1px solid #fed7aa;
  padding: 10px 12px;
}

.next-action strong {
  color: var(--brand-dark);
}

.detail,
.source {
  margin-bottom: 0;
  color: #475569;
  font-size: 0.96rem;
}

.source {
  margin-top: 8px;
  color: var(--muted);
}

.notes {
  margin-top: 18px;
  padding: 16px;
}

.follow-panel {
  display: grid;
  gap: 16px;
  margin-top: 18px;
  padding: 16px;
}

.follow-panel p {
  margin-bottom: 0;
  color: #475569;
}

.follow-links {
  display: grid;
  gap: 10px;
}

.follow-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border: 1px solid #fdba74;
  border-radius: 8px;
  background: #fff7ed;
  color: var(--brand-dark);
  font-weight: 800;
  text-decoration: none;
}

.follow-links a:hover,
.follow-links a:focus {
  background: var(--brand);
  color: #fff;
  outline: none;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0 12px;
}

footer {
  padding: 18px 0 0;
}

@media (min-width: 720px) {
  .inputs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .field:first-child {
    grid-column: 1 / -1;
  }

  .follow-panel {
    grid-template-columns: minmax(0, 1fr) minmax(260px, 0.8fr);
    align-items: center;
  }

  .follow-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .shell {
    width: min(100% - 24px, 960px);
    padding-top: 18px;
  }

  .panel-head,
  .card-top,
  .actions {
    flex-direction: column;
  }

  .actions button {
    width: 100%;
  }
}