:root {
  --ink: #172033;
  --muted: #5f6b7a;
  --line: #dce2e8;
  --panel: #ffffff;
  --canvas: #f6f8f7;
  --brand: #0f766e;
  --brand-dark: #115e59;
  --brand-soft: #ccfbf1;
  --accent: #d97706;
  --accent-soft: #fef3c7;
  --danger: #b42318;
  --shadow: 0 14px 35px rgba(20, 34, 50, .08);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: linear-gradient(180deg, #fff 0, var(--canvas) 42%, #fff 100%);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.62;
}
button, input, select { font: inherit; }
a { color: var(--brand-dark); }
.site-shell { width: min(1180px, calc(100% - 34px)); margin: 0 auto; }
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 24px 0 18px;
  border-bottom: 1px solid var(--line);
}
.site-name { color: #000; font-size: 1.38rem; font-weight: 900; text-decoration: none; letter-spacing: -.03em; }
.breadcrumb { display: flex; align-items: center; flex-wrap: wrap; justify-content: flex-end; gap: 9px; color: var(--muted); font-size: .86rem; }
.breadcrumb a { color: var(--muted); text-decoration: none; }
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: start;
  padding: 48px 0 30px;
}
.hero h1 { margin: 5px 0 13px; max-width: 850px; font-size: clamp(2.2rem, 5vw, 4rem); line-height: 1.02; letter-spacing: -.05em; }
.hero-copy { max-width: 750px; margin: 0; color: var(--muted); font-size: 1.08rem; }
.eyebrow, .section-kicker, .result-kicker { margin: 0; color: var(--brand); font-size: .73rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.archetype-pill, .tool-type { display: inline-flex; border-radius: 999px; padding: 7px 11px; background: var(--accent-soft); color: #92400e; font-size: .75rem; font-weight: 850; }
.quick-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 20px; }
.quick-fact { padding: 12px 13px; border: 1px solid var(--line); border-radius: 12px; background: rgba(255,255,255,.82); }
.quick-fact span, .metric span { display: block; color: var(--muted); font-size: .72rem; font-weight: 750; text-transform: uppercase; letter-spacing: .04em; }
.quick-fact strong, .metric strong { display: block; margin-top: 3px; font-size: .92rem; }
.workspace { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 18px; align-items: start; }
.panel, .content-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
  box-shadow: var(--shadow);
}
.panel { padding: 24px; }
.panel-title { margin: 0 0 4px; font-size: 1.4rem; }
.panel-note { margin: 0 0 20px; color: var(--muted); }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 15px; }
.field { min-width: 0; }
.field.full { grid-column: 1 / -1; }
.field label { display: block; margin-bottom: 6px; font-size: .86rem; font-weight: 800; }
.field input, .field select {
  width: 100%;
  min-height: 45px;
  border: 1px solid #cbd5df;
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  padding: 10px 11px;
}
.field input:focus, .field select:focus { outline: 3px solid rgba(15,118,110,.15); border-color: var(--brand); }
.field-help { margin: 5px 0 0; color: var(--muted); font-size: .74rem; }
.actions, .result-actions { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 20px; }
button { cursor: pointer; }
.primary, .secondary, .copy-button {
  border: 0;
  border-radius: 10px;
  padding: 11px 16px;
  font-weight: 850;
}
.primary { background: var(--brand); color: #fff; }
.primary:hover { background: var(--brand-dark); }
.secondary, .copy-button { border: 1px solid var(--line); background: #fff; color: var(--ink); }
.error { margin-top: 12px; color: var(--danger); font-weight: 700; }
.inline-warning { margin: 0 0 17px; padding: 12px 14px; border-left: 4px solid var(--accent); border-radius: 9px; background: var(--accent-soft); font-size: .86rem; }
.result-panel { min-height: 480px; position: sticky; top: 16px; }
.result-empty { min-height: 430px; display: grid; place-items: center; text-align: center; color: var(--muted); }
.result-empty-icon { width: 58px; height: 58px; display: grid; place-items: center; margin: 0 auto 10px; border-radius: 16px; background: var(--brand-soft); color: var(--brand-dark); font-size: 1.6rem; }
.result-primary { margin: 4px 0 8px; font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1.05; letter-spacing: -.04em; }
.result-detail { color: var(--muted); }
.metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin: 20px 0; }
.metrics-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.metrics-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.metric { border: 1px solid var(--line); border-radius: 12px; padding: 12px; background: #fbfcfc; }
.metric strong { font-size: 1.02rem; word-break: break-word; }
.bar-chart { display: grid; gap: 9px; margin: 18px 0; }
.bar-row { display: grid; grid-template-columns: minmax(90px, .65fr) minmax(150px, 2fr) auto; gap: 10px; align-items: center; font-size: .8rem; }
.bar-track { height: 13px; border-radius: 999px; overflow: hidden; background: #e8edef; }
.bar-fill { height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--brand), #2dd4bf); }
.result-table { width: 100%; border-collapse: collapse; margin-top: 17px; font-size: .82rem; }
.result-table th, .result-table td { padding: 9px; border-bottom: 1px solid var(--line); text-align: left; }
.result-audit { margin-top: 18px; }
.result-audit summary { cursor: pointer; font-weight: 800; }
.result-audit dl { display: grid; grid-template-columns: 1fr 1fr; gap: 7px 14px; }
.result-audit dt { color: var(--muted); font-size: .75rem; }
.result-audit dd { margin: 0; font-weight: 750; }
.content-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 18px; margin: 28px 0 55px; }
.article { display: grid; gap: 18px; }
.content-card { padding: 25px; box-shadow: 0 8px 24px rgba(31,41,55,.05); }
.content-card h2 { margin: 5px 0 12px; font-size: 1.55rem; line-height: 1.18; }
.content-card p:last-child { margin-bottom: 0; }
.method-box { border-left: 5px solid var(--brand); }
.warning-box { border-left: 5px solid var(--accent); }
.formula-box { margin: 15px 0; padding: 15px; border-radius: 10px; background: #f1f5f4; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .86rem; overflow-wrap: anywhere; }
.steps, .check-list { padding-left: 1.25rem; }
.steps li, .check-list li { margin: 8px 0; }
.faq-list { display: grid; gap: 9px; }
.faq-list details { border: 1px solid var(--line); border-radius: 11px; padding: 12px 14px; }
.faq-list summary { cursor: pointer; font-weight: 800; }
.faq-answer { color: var(--muted); }
.reviewed-date { color: var(--muted); font-size: .76rem; }
.site-footer { border-top: 1px solid var(--line); padding: 25px 0; color: var(--muted); font-size: .82rem; }
.footer-inner { width: min(1180px, calc(100% - 34px)); margin: auto; display: flex; justify-content: space-between; gap: 20px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 14px; }
.footer-links a { color: var(--muted); text-decoration: none; }
.category-tools { display: grid; grid-template-columns: 1.2fr 1fr auto; gap: 13px; align-items: end; margin: 0 0 24px; padding: 18px; border: 1px solid var(--line); border-radius: 15px; background: #fff; }
.category-tools label { display: block; margin-bottom: 5px; font-size: .78rem; font-weight: 800; }
.category-tools input, .category-tools select { width: 100%; min-height: 43px; border: 1px solid #cbd5df; border-radius: 9px; padding: 9px 10px; background: #fff; }
.category-tools p { margin: 0 0 10px; color: var(--muted); font-weight: 800; white-space: nowrap; }
@media (max-width: 860px) {
  .hero, .workspace { grid-template-columns: 1fr; }
  .result-panel { position: static; }
  .category-tools { grid-template-columns: 1fr 1fr; }
  .category-tools p { grid-column: 1 / -1; margin: 0; }
}
@media (max-width: 600px) {
  .site-shell { width: min(100% - 22px, 1180px); }
  .site-header, .footer-inner { align-items: flex-start; flex-direction: column; }
  .breadcrumb { justify-content: flex-start; }
  .hero { padding-top: 30px; }
  .hero h1 { font-size: 2.25rem; }
  .quick-facts, .form-grid, .metrics, .metrics-2, .metrics-4, .category-tools { grid-template-columns: 1fr; }
  .panel, .content-card { padding: 19px; border-radius: 14px; }
  .bar-row { grid-template-columns: 1fr; gap: 4px; }
  .result-audit dl { grid-template-columns: 1fr; }
}
@media print {
  .site-header, .input-panel, .result-actions, .site-footer { display: none !important; }
  body { background: #fff; }
  .workspace { display: block; }
  .result-panel, .content-card { box-shadow: none; break-inside: avoid; }
}

/* Intent-specific content components */
.input-guide{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:18px 0 0}.input-guide>div{border:1px solid var(--line);border-radius:12px;padding:12px;background:#fbfdfc}.input-guide dt{font-weight:800;color:var(--ink);font-size:.9rem}.input-guide dd{margin:5px 0 0;color:var(--muted);font-size:.84rem;line-height:1.5}.example-calculation{border-left:4px solid var(--accent);background:#fffbeb;border-radius:0 12px 12px 0;padding:14px 16px;margin:14px 0}.example-calculation p{margin:0}.example-calculation p+p{margin-top:8px}.section-reference a{font-weight:800}.section-reference p:last-child{margin-bottom:0}.section-ordering{border-top:4px solid #99f6e4}@media(max-width:640px){.input-guide{grid-template-columns:1fr}}