/* Public tools and guides use the same paper, ink and type as the home page. */
.content-page .nav {
  position: sticky;
  top: 0;
}
.content-page .nav-right {
  display: flex;
}
.content-page .nav-inner {
  gap: 1rem;
}
.content-main {
  max-width: 1040px;
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
}
.breadcrumbs,
.article-meta {
  font: 0.75rem var(--mono);
  color: var(--muted);
  margin-bottom: 1.5rem;
}
.breadcrumbs a,
.prose a,
.related a,
.content-footer a {
  color: var(--primary);
  text-underline-offset: 0.2em;
}
.content-main h1 {
  font: 600 clamp(2.1rem, 5vw, 3.6rem)/1.12 var(--serif);
  letter-spacing: -0.035em;
  max-width: 900px;
  margin: 1rem 0 1.5rem;
}
.lede {
  color: var(--muted);
  font-size: 1.15rem;
  max-width: 740px;
  margin-bottom: 2rem;
}
.prose {
  max-width: 760px;
  margin: 2.5rem auto;
  font-size: 1.05rem;
}
.prose h2,
.related h2,
.calculator h2 {
  font: 600 1.7rem/1.25 var(--serif);
  margin: 2.5rem 0 1rem;
}
.prose h3 {
  margin: 1.5rem 0 0.6rem;
}
.prose p,
.prose ul,
.prose ol {
  margin: 0 0 1.2rem;
}
.prose li {
  margin: 0.5rem 0 0.5rem 1.4rem;
}
.prose code {
  font-family: var(--mono);
  font-size: 0.85em;
  overflow-wrap: anywhere;
}
.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin: 1.5rem 0;
}
.prose th,
.prose td {
  text-align: left;
  padding: 0.8rem 0.5rem;
  border-bottom: 1px solid var(--rule);
  overflow-wrap: anywhere;
}
.prose th {
  background: var(--tint);
}
.table-wrap {
  max-width: 100%;
  overflow-x: auto;
}
.note,
.article-cta {
  background: var(--tint);
  border-left: 3px solid var(--stamp);
  padding: 1.5rem;
  margin: 2rem 0;
}
.article-cta h2 {
  margin-top: 0;
}
.article-cta .btn-primary {
  color: var(--paper);
  text-decoration: none;
  margin: 0.5rem 0.5rem 0.5rem 0;
}
.related {
  border-top: 1px solid var(--rule);
  padding-top: 1rem;
}
.related ul {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 2rem;
  padding: 0;
  list-style: none;
}
.content-footer {
  border-top: 1px solid var(--rule);
  padding: 2rem 1.5rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}
.content-footer p {
  margin: 0.6rem 0;
}
.guide-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.guide-card {
  padding: 1.7rem;
  background: var(--paper-raise);
  border: 1px solid var(--rule);
  box-shadow: var(--shadow-hard-sm);
}
.guide-card h2 {
  font: 600 1.5rem/1.3 var(--serif);
  margin-bottom: 1rem;
}
.guide-card a {
  color: var(--primary);
}
.calculator {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}
.calc-panel {
  padding: 1.5rem;
  border: 1px solid var(--rule);
  background: var(--paper-raise);
  box-shadow: var(--shadow-hard);
  min-width: 0;
}
.calculator h2 {
  margin: 0 0 1.4rem;
}
.segment-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  border: 0;
  margin-bottom: 1.5rem;
}
.segment-tabs legend,
.direction-toggle legend {
  font: 0.75rem var(--mono);
  color: var(--muted);
  margin-bottom: 0.6rem;
}
.segment-tabs label,
.direction-toggle label {
  position: relative;
  cursor: pointer;
}
.segment-tabs input,
.direction-toggle input {
  position: absolute;
  opacity: 0;
}
.segment-tabs span,
.direction-toggle span {
  display: block;
  border: 1px solid var(--rule);
  padding: 0.65rem;
  text-align: center;
  font-size: 0.85rem;
}
.segment-tabs input:checked + span,
.direction-toggle input:checked + span {
  background: var(--primary);
  color: var(--paper);
  border-color: var(--primary);
}
.segment-tabs input:focus-visible + span,
.direction-toggle input:focus-visible + span {
  outline: 3px solid var(--stamp);
  outline-offset: 3px;
}
.calc-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.calc-fields label {
  font-size: 0.9rem;
  display: block;
}
.calc-fields input {
  display: block;
  width: 100%;
  min-width: 0;
  padding: 0.75rem;
  margin-top: 0.4rem;
  border: 1px solid var(--rule);
  background: var(--paper);
  color: var(--ink);
  font: 1rem var(--mono);
  border-radius: 0;
}
.direction-toggle {
  border: 0;
  display: flex;
  gap: 0.5rem;
  margin-top: 1.4rem;
}
.direction-toggle label {
  flex: 1;
}
.calc-note {
  font-size: 0.82rem;
  color: var(--muted);
  margin: 1rem 0;
}
.calc-error {
  color: var(--red);
  margin-top: 1rem;
}
.charge-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.3rem 1rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--rule-soft);
}
.charge-row dt {
  font-size: 0.9rem;
}
.charge-row dd {
  font: 500 0.95rem var(--mono);
  text-align: right;
  overflow-wrap: anywhere;
}
.charge-row small {
  display: block;
  font-size: 0.73rem;
  color: var(--muted);
  font-family: var(--font);
  line-height: 1.5;
  margin-top: 0.2rem;
}
.charge-row.total {
  border-top: 2px solid var(--ink);
  margin-top: 0.6rem;
}
.charge-row.net {
  font-weight: 700;
}
.positive {
  color: var(--green);
}
.negative {
  color: var(--red);
}
[aria-disabled="true"] {
  opacity: 0.6;
  pointer-events: none;
}
@media (max-width: 700px) {
  .content-main {
    padding: 2rem 1.25rem 3rem;
  }
  .calculator,
  .guide-grid,
  .related ul {
    grid-template-columns: 1fr;
  }
  .calc-panel {
    padding: 1.1rem;
  }
  .prose {
    font-size: 1rem;
  }
  .prose th,
  .prose td {
    padding: 0.6rem 0.35rem;
    font-size: 0.78rem;
  }
  .article-cta {
    padding: 1.2rem;
  }
}