/* Calculator pages. Tokens come from site.css; every box has a full border or none. */
.calc-main { max-width: 1040px; margin-inline: auto; padding: var(--space-xl) var(--space-md) var(--space-2xl); }
@media (min-width: 1024px) { .calc-main { padding-inline: 40px; } }
.calc-lede { color: var(--on-surface-variant); max-width: 68ch; }

.calc-nav { display: flex; flex-wrap: wrap; gap: var(--space-sm); margin-bottom: var(--space-lg); }
.calc-nav a {
  display: inline-flex; align-items: center; min-height: 36px; padding: 4px 14px;
  border: 1px solid var(--outline); border-radius: 6px; font-size: 0.875rem; font-weight: 500;
  color: var(--on-surface); text-decoration: none; background: var(--surface);
}
.calc-nav a:hover { background: var(--surface-container); }
.calc-nav a[aria-current="page"] { background: var(--primary-container); color: var(--on-primary-container); border-color: var(--primary); }

.calc-grid { display: grid; gap: var(--space-lg); margin-top: var(--space-lg); align-items: start; }
@media (min-width: 900px) { .calc-grid { grid-template-columns: 340px minmax(0, 1fr); } }

.calc-form { background: var(--surface-container-low); border: 1px solid var(--outline-variant); border-radius: 8px; padding: var(--space-md); display: flex; flex-direction: column; gap: var(--space-md); }
.calc-form fieldset { border: 0; margin: 0; padding: 0; min-width: 0; display: flex; flex-direction: column; gap: var(--space-sm); }
.calc-form legend { padding: 0; font-size: 0.8125rem; font-weight: 600; margin-bottom: var(--space-xs); }
.f { display: flex; flex-direction: column; gap: 2px; font-size: 0.8125rem; color: var(--on-surface-variant); }
.f small { font-size: 0.75rem; }
.calc-form input[type="text"], .calc-form select {
  font: inherit; font-size: 0.9375rem; color: var(--on-surface); background: var(--surface);
  border: 1px solid var(--outline); border-radius: 6px; min-height: 40px; padding: 4px 10px; width: 100%;
}
.calc-form input[type="text"]:disabled, .calc-form select:disabled { opacity: 0.6; }
.pick { display: flex; align-items: flex-start; gap: var(--space-sm); font-size: 0.875rem; color: var(--on-surface); line-height: 1.4; }
.pick input { margin-top: 3px; flex: none; }
.pick small { display: block; color: var(--on-surface-variant); font-size: 0.75rem; }
.calc-form details { font-size: 0.8125rem; color: var(--on-surface-variant); }
.calc-form details summary { cursor: pointer; color: var(--primary); }
.calc-form details p { margin-top: var(--space-xs); max-width: none; }

.calc-out { min-width: 0; }
.notice { border: 1px solid var(--outline); border-radius: 8px; background: var(--surface-container-low); padding: var(--space-sm) var(--space-md); font-size: 0.875rem; margin-bottom: var(--space-md); max-width: none; }
.notice.warn { border-color: var(--primary); background: var(--primary-container); color: var(--on-primary-container); }

.headline { border: 1px solid var(--outline); border-radius: 8px; padding: var(--space-md); margin-bottom: var(--space-md); display: flex; flex-wrap: wrap; gap: var(--space-sm) var(--space-xl); align-items: baseline; }
.headline .k { font-size: 0.8125rem; color: var(--on-surface-variant); display: block; }
.headline .v { font-size: 1.5rem; font-weight: 600; letter-spacing: -0.01em; font-variant-numeric: tabular-nums; }

.calc-table { width: 100%; min-width: 0; border-collapse: separate; border-spacing: 0; border: 1px solid var(--outline-variant); border-radius: 8px; overflow: hidden; font-size: 0.875rem; margin: 0 0 var(--space-md); }
.calc-table th, .calc-table td { border: 0; padding: 8px 12px; vertical-align: top; }
.calc-table thead th { background: var(--surface-container-low); font-size: 0.8125rem; border: 0; }
.calc-table tbody tr:nth-child(even) td { background: var(--surface-container-low); }
.calc-table td.num, .calc-table th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.calc-table tr.group td { background: var(--surface-container); font-weight: 600; font-size: 0.8125rem; }
.calc-table tr.total td { font-weight: 600; background: var(--surface-container); }
.calc-table tr.final td { font-weight: 600; background: var(--primary-container); color: var(--on-primary-container); }
.calc-table tr.final a { color: inherit; }
.calc-table .law { font-size: 0.8125rem; }
.calc-table .law span { display: block; color: var(--on-surface-variant); }
.calc-table tr.final .law span { color: inherit; }

.calc-table.mini { margin-top: var(--space-sm); }
.calc-table.mini td:first-child { width: 60%; }

h2.calc-h { font-size: 1.125rem; margin: var(--space-lg) 0 var(--space-sm); }
.calc-out > h2.calc-h:first-child { margin-top: 0; }
.explain { font-size: 0.875rem; color: var(--on-surface-variant); }
.explain p { max-width: 72ch; }
.disclaimer { margin-top: var(--space-lg); font-size: 0.8125rem; color: var(--on-surface-variant); max-width: none; }
.assumptions { font-size: 0.8125rem; color: var(--on-surface-variant); padding-left: 1.1em; margin: 0 0 var(--space-md); }

@media (max-width: 767px) {
  .calc-table { border: 0; border-radius: 0; overflow: visible; }
  .calc-table tbody tr { display: block; border: 1px solid var(--outline-variant); border-radius: 8px; padding: var(--space-xs) 0; margin-bottom: var(--space-sm); background: var(--surface); }
  .calc-table tbody tr td { display: block; width: 100%; padding: 2px 12px; background: none !important; text-align: left !important; white-space: normal; }
  .calc-table tbody td::before { margin-bottom: 0; }
  .calc-table tr.group { border: 0; padding: 0; margin: var(--space-md) 0 var(--space-xs); background: none; }
  .calc-table tr.group td { padding: 0 2px; }
  .calc-table tr.group td::before, .calc-table td.nolabel::before { display: none; }
  .calc-table tr.total { background: var(--surface-container); }
  .calc-table tr.final { background: var(--primary-container); }
  .calc-table.mini td:first-child { width: 100%; }
}
.calc-table.mini td.num { white-space: normal; }
.calc-table.mini td:last-child { min-width: 170px; }
@media (max-width: 767px) {
  .calc-table tbody td::before { display: inline; margin-right: 6px; }
  .calc-table tbody td::before { content: attr(data-label) ": "; font-size: 0.75rem; }
}