/* Calculator pages (race-time-predictor, pace-calculator, triathlon-time-calculator, tools). */
.tool-hero { background: var(--navy-800); color: var(--on-dark); padding: 64px 0 48px; }
.tool-hero h1 { font-size: clamp(2.4rem, 4.6vw, 3.6rem); color: var(--on-dark); max-width: 18ch; }
.tool-hero .lead { color: var(--muted-on-dark); margin: 0; max-width: 62ch; font-size: 1.12rem; }
.tool-crumbs { font-family: var(--font-mono); font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted-on-dark); margin-bottom: 18px; }
.tool-crumbs a { color: var(--on-dark-soft); text-decoration: none; }
.tool-crumbs a:hover { color: var(--on-dark); }

.tool-section { padding: 48px 0 24px; }
.tool-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; max-width: 920px; margin: 0 auto; }
.tool-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 18px; align-items: start; }
.tool-field label { display: block; font-family: var(--font-mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tool-field input, .tool-field select {
  width: 100%; height: 48px; padding: 0 14px; border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  background: var(--white); color: var(--ink); font: 600 1.05rem var(--font); font-variant-numeric: tabular-nums;
}
.tool-field input:focus, .tool-field select:focus { outline: none; border-color: var(--orange); box-shadow: 0 0 0 3px rgba(247,153,41,.35); }
.tool-field .hint { display: block; font-size: .82rem; color: var(--muted); margin-top: 6px; font-family: var(--font); text-transform: none; letter-spacing: 0; }
.tool-seg { display: flex; width: 100%; border: 1px solid var(--border-strong); border-radius: var(--radius-sm); overflow: hidden; height: 48px; }
.tool-seg button { flex: 1; border: 0; background: var(--white); color: var(--ink-soft); font: 600 .95rem var(--font); padding: 0 10px; cursor: pointer; white-space: nowrap; }
.tool-seg button[aria-pressed="true"] { background: var(--navy-800); color: var(--on-dark); }
.tool-error { color: #8A2E22; font-weight: 600; margin: 14px 0 0; display: none; }
.tool-error.show { display: block; }

.tool-result { margin-top: 26px; display: none; }
.tool-result.show { display: block; }
.tool-table-wrap { overflow-x: auto; }
.tool-table { width: 100%; border-collapse: collapse; font-size: 1rem; font-variant-numeric: tabular-nums; }
.tool-table th, .tool-table td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--border); vertical-align: top; }
.tool-table thead th { font-family: var(--font-mono); font-weight: 500; font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); background: var(--cream-2); }
.tool-table td.num, .tool-table th.num { text-align: right; white-space: nowrap; }
.tool-table tr.is-input td { background: var(--orange-tint); font-weight: 600; }
.tool-table td.sub { color: var(--muted); font-size: .92rem; }
.tool-kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin: 0 0 20px; }
.tool-kpi { background: var(--cream); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 14px 16px; }
.tool-kpi b { display: block; font-family: var(--font-display); font-size: 1.9rem; line-height: 1; color: var(--ink); font-variant-numeric: tabular-nums; }
.tool-kpi span { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.tool-note { color: var(--muted); font-size: .94rem; margin: 14px 0 0; }

.tool-next { margin-top: 24px; background: var(--navy-800); color: var(--on-dark); border-radius: var(--radius); padding: 24px 26px; display: flex; gap: 22px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.tool-next .eyebrow { color: var(--orange); display: block; margin-bottom: 6px; }
.tool-next h3 { color: var(--on-dark); margin: 0 0 4px; font-size: 1.3rem; }
.tool-next p { color: var(--on-dark-soft); margin: 0; max-width: 46ch; }

.tool-prose { max-width: 780px; margin: 0 auto; padding: 24px 0 8px; }
.tool-prose h2 { font-size: 1.9rem; margin-top: 44px; }
.tool-prose h3 { font-size: 1.12rem; margin-top: 28px; }
.tool-prose p, .tool-prose li { color: var(--ink-soft); font-size: 1rem; }
.tool-prose ul { padding-left: 22px; }
.tool-prose a { color: var(--teal); text-decoration: underline; }
.tool-formula { display: block; background: var(--navy-800); color: #fff; border-radius: var(--radius-sm); padding: 16px 20px; margin: 20px 0; font-weight: 600; font-family: var(--font-mono); font-size: .95rem; }
.tool-prose .tool-table { margin: 18px 0 8px; }
.tool-updated { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-top: 36px; }
.tool-related { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin: 18px 0 0; }
.tool-related a { display: block; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 16px 18px; color: var(--ink); text-decoration: none; font-weight: 600; }
.tool-related a:hover { border-color: var(--orange); }
.tool-related small { display: block; color: var(--muted); font-weight: 400; margin-top: 4px; }
.tool-faq { padding: 24px 0 64px; }

@media (max-width: 620px) {
  .tool-card { padding: 20px; }
  .tool-next { padding: 20px; }
  .tool-kpi b { font-size: 1.6rem; }
}
.tool-field select { text-overflow: ellipsis; }
/* With "Calculators" in the nav the links wrap between 620 and 860px; hide them there as the 620px rule does below. */
@media (max-width: 860px) { .nav-links { display: none; } }