/* FinCalc board and calculators. Tokens sit on top of the starter. */

body {
  --paper: #f6f4ef;
  --ink: #1c1917;
  --muted: #5c564c;
  --accent: #1f4d3a;
  --soft: #efeae2;
  --line: #e3ddd2;
  --focus: #1d5fd1;
  --radius: 2px;
  --display: Georgia, "Iowan Old Style", "Palatino Linotype", Palatino, "Times New Roman", serif;
  --sans: "Segoe UI", Candara, system-ui, sans-serif;
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
}

h1, h2, h3, .brand, .metric-value { font-family: var(--display); }
.container { width: min(1120px, calc(100% - 32px)); }
.site-header { height: auto; min-height: 72px; padding: 16px 0; }
.brand-name { letter-spacing: 0.04em; }
.intro { padding: 36px 0 8px; max-width: 40rem; }
.intro .lead { font-size: 1.05rem; color: var(--muted); max-width: 38rem; }
.board { display: grid; grid-template-columns: 1fr; gap: 18px; padding: 28px 0 64px; }
.topic { border: 1px solid var(--line); background: #fff; padding: 22px 22px 8px; }
.topic h2 { font-size: 1.7rem; margin-bottom: 8px; }
.topic > p { color: var(--muted); margin-bottom: 8px; }
.topic ol { list-style: none; margin: 0; padding: 0; }
.topic li { border-top: 1px solid var(--line); }
.topic li a { display: flex; flex-direction: column; gap: 2px; padding: 12px 0; min-height: 44px; justify-content: center; }
.topic li a span, .topic li span { color: var(--muted); font-size: 0.875rem; font-family: var(--sans); }
.topic li a:hover { color: var(--accent); }
.page-heading { padding: 36px 0 8px; }
.page-heading h1 { font-size: clamp(2rem, 4vw, 3.2rem); }
.example { font-size: 0.8125rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); margin: 8px 0 18px; }
.calc-layout { display: grid; grid-template-columns: 1fr; gap: 22px; align-items: start; padding-bottom: 12px; }
.calc-fields fieldset { border: 0; margin: 0 0 18px; padding: 0; }
.calc-fields legend { font-family: var(--display); font-size: 1.15rem; padding: 0; margin-bottom: 8px; }
.field { display: flex; flex-direction: column; gap: 6px; margin: 0 0 12px; font-size: 0.875rem; }
.field span { color: var(--muted); }
.field input, .field select, .debts input { width: 100%; min-height: 44px; border: 1px solid var(--line); background: #fff; padding: 10px 12px; font-variant-numeric: tabular-nums; }
.assume { color: var(--muted); font-size: 0.875rem; }
.result { background: var(--soft); padding: 22px; border: 1px solid var(--line); }
.metric-value { font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -0.03em; margin: 4px 0 10px; font-variant-numeric: tabular-nums; }
.result-detail { color: var(--muted); }
.metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 16px; margin: 18px 0 0; }
.metrics div, .compare dl div { display: flex; flex-direction: column; gap: 2px; }
.metrics dt, .compare dt { color: var(--muted); font-size: 0.75rem; }
.metrics dd, .compare dd { margin: 0; font-variant-numeric: tabular-nums; }
.compare { display: grid; grid-template-columns: 1fr; gap: 10px; margin-top: 18px; }
.compare-col { background: #fff; border: 1px solid var(--line); padding: 14px; }
.compare-col.winner { border-color: var(--accent); }
.compare-col h2 { font-size: 1.15rem; margin-bottom: 8px; }
.compare dl { margin: 0; display: grid; gap: 8px; }
.table-wrap { overflow-x: auto; margin-top: 18px; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; font-size: 0.875rem; background: #fff; }
caption { text-align: left; font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { font-weight: 600; font-size: 0.75rem; color: var(--muted); }
.debts { overflow-x: auto; }
.debts-head, .debts-row { display: grid; grid-template-columns: 1.2fr 1fr 0.7fr 0.9fr; gap: 8px; margin-bottom: 8px; }
.debts-head { font-size: 0.75rem; color: var(--muted); }
.calc { padding-bottom: 48px; }
@media (min-width: 800px) {
  .board { grid-template-columns: 1fr 1fr; gap: 22px; }
  .calc-layout { grid-template-columns: minmax(260px, 360px) 1fr; gap: 36px; }
  .compare { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
}
@media (max-width: 560px) {
  .metrics { grid-template-columns: 1fr; }
  .nav { gap: 16px; }
  .footer-top, .footer-bottom, .footer-links { flex-direction: column; align-items: flex-start; }
}