/* Running-cost calculator. Inputs left, live result right; one column on phones. Tokens from tokens.json. */

.calc { padding-block: var(--space-6, 24px) var(--space-12, 48px); }
.calc__intro h1 { margin: 0 0 var(--space-2, 8px); }
.calc__intro p { margin: 0; max-width: 62ch; color: var(--color-slate, #536763); }
.calc__layout { display: grid; gap: var(--space-5, 20px); margin-top: var(--space-6, 24px); align-items: start; }
@media (min-width: 1024px) {
  .calc__layout { grid-template-columns: minmax(0, 1fr) minmax(0, 420px); }
  .calc-result { position: sticky; top: var(--space-4, 16px); }
}
.calc__steps { display: grid; gap: var(--space-4, 16px); }

.calc-card { background: var(--color-surface, #fff); border: 1px solid var(--color-line, #D5DEDC); border-radius: var(--radius-sm, 4px); padding: var(--space-4, 16px); }
.calc-card .field { margin: 0 0 var(--space-4, 16px); }
.calc-card .field:last-child { margin-bottom: 0; }
.calc-card__h { display: flex; align-items: center; gap: 10px; margin: 0 0 var(--space-4, 16px); font-size: 18px; line-height: 24px; }
.calc-step { display: grid; place-items: center; flex: none; width: 28px; height: 28px; border: 2px solid var(--color-accent); color: var(--color-primary, #0F5E57); font-size: 14px; font-weight: 800; }

.calc-chips { display: flex; flex-wrap: wrap; gap: var(--space-2, 8px); margin-top: var(--space-2, 8px); }
.calc-chip { min-height: 44px; padding: 0 14px; font: inherit; font-weight: 600; color: var(--color-primary, #0F5E57); background: var(--color-surface, #fff); border: 2px solid var(--color-line-strong, #7A8B88); border-radius: var(--radius-sm, 4px); cursor: pointer; transition: background-color 150ms ease-out; }
.calc-chip:hover { background: var(--color-primary-tint, #E7F0EE); }
.calc-chip[aria-pressed="true"] { background: var(--color-primary, #0F5E57); border-color: var(--color-primary, #0F5E57); color: #fff; }
.calc-chip:focus-visible { outline: 2px solid var(--color-primary, #0F5E57); outline-offset: 2px; }

.calc-grid { display: grid; gap: var(--space-4, 16px); }
@media (min-width: 640px) { .calc-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.calc-grid .field { margin: 0; }

.calc-unit { position: relative; display: flex; align-items: center; }
.calc-unit .input { width: 100%; min-height: 48px; font-size: 16px; font-variant-numeric: tabular-nums; padding-right: 84px; }
.calc-unit span { position: absolute; right: 12px; color: var(--color-slate, #536763); font-size: 14px; pointer-events: none; }
.calc-unit--rs b { position: absolute; left: 12px; font-weight: 600; color: var(--color-slate, #536763); pointer-events: none; }
.calc-unit--rs .input { padding-left: 40px; }
.calc-unit [aria-invalid="true"] { border-color: var(--color-error, #B42318); }
.calc-tag { display: inline-block; margin-left: 6px; padding: 0 6px; font-size: 13px; font-weight: 700; color: var(--color-ink, #233B39); background: var(--color-accent-tint, #FBF5E1); border-radius: var(--radius-sm, 4px); vertical-align: 1px; }
.calc-msg { margin: 6px 0 0; font-size: 14px; }
.calc-msg:empty { display: none; }
.calc-msg--warn { color: var(--color-ink, #233B39); border-left: 3px solid var(--color-accent); padding-left: 8px; }
.calc-msg--bad { color: var(--color-error, #B42318); font-weight: 600; }

.calc-settings { margin-top: var(--space-4, 16px); border-top: 1px solid var(--color-line, #D5DEDC); padding-top: var(--space-3, 12px); }
.calc-settings summary { display: flex; align-items: center; min-height: 44px; font-weight: 700; color: var(--color-primary, #0F5E57); cursor: pointer; }
.calc-settings .calc-grid { margin-top: var(--space-3, 12px); }

.calc-result { display: grid; gap: var(--space-4, 16px); }
.calc-big { background: var(--color-primary, #0F5E57); color: #fff; border-radius: var(--radius-sm, 4px); padding: var(--space-5, 20px); border-top: 3px solid var(--color-accent); }
.calc-big p { margin: 0; }
.calc-big__k { font-size: 14px; font-weight: 700; }
.calc-big__v { font-size: 40px; line-height: 48px; font-weight: 800; font-variant-numeric: tabular-nums; margin-top: 4px !important; }
.calc-big__v--neg::before { content: "+ "; }
.calc-big__sub { margin-top: 6px !important; font-size: 14px; }

.calc-tiles { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2, 8px); }
.calc-tile { background: var(--color-mist, #F2F5F4); border-radius: var(--radius-sm, 4px); padding: var(--space-3, 12px); }
.calc-tile--asi { background: var(--color-primary-tint, #E7F0EE); border-left: 3px solid var(--color-accent); }
.calc-tile p { margin: 0; }
.calc-tile__k { font-size: 13px; color: var(--color-slate, #536763); }
.calc-tile__v { font-size: 24px; line-height: 32px; font-weight: 800; color: var(--color-ink, #233B39); font-variant-numeric: tabular-nums; }
.calc-tile--asi .calc-tile__v { color: var(--color-primary, #0F5E57); }

.calc-table { width: 100%; margin-top: var(--space-4, 16px); border-collapse: collapse; font-size: 14px; font-variant-numeric: tabular-nums; }
.calc-table th, .calc-table td { padding: 8px 4px; border-bottom: 1px solid var(--color-line, #D5DEDC); text-align: right; }
.calc-table th:first-child { text-align: left; font-weight: 400; }
.calc-table thead th { font-size: 13px; font-weight: 700; color: var(--color-slate, #536763); }
.calc-table td:last-child { color: var(--color-primary, #0F5E57); }
.calc-table__total th, .calc-table__total td { font-weight: 800 !important; border-bottom: 2px solid var(--color-ink, #233B39); }

.calc-fine { margin: var(--space-2, 8px) 0 0; font-size: 13px; line-height: 18px; color: var(--color-slate, #536763); }
.calc-rec { margin: 0; padding: var(--space-3, 12px); border-left: 3px solid var(--color-accent); background: var(--color-mist, #F2F5F4); font-size: 15px; }
.calc-be { margin: 0 0 var(--space-3, 12px); }
.calc-range { width: 100%; min-height: 44px; accent-color: var(--color-primary, #0F5E57); }

.calc-actions { display: grid; gap: var(--space-2, 8px); }
.calc-actions .btn { width: 100%; text-align: center; }

.calc-basis { margin-top: var(--space-10, 40px); }
.calc-basis ol { padding-left: 20px; display: grid; gap: 4px; max-width: 75ch; }
.calc-basis > p { max-width: 75ch; }
.calc-life caption { text-align: left; font-weight: 700; padding-bottom: 8px; }
.calc-life table { width: 100%; border-collapse: collapse; font-size: 14px; }
.calc-life th, .calc-life td { padding: 8px; border-bottom: 1px solid var(--color-line, #D5DEDC); text-align: left; vertical-align: top; }
.calc-life thead th { background: var(--color-mist, #F2F5F4); }
/* Phone: each row becomes a card, no sideways scrolling */
@media (max-width: 767px) {
  .calc-life thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .calc-life tr { display: block; padding: 8px 0; border-bottom: 1px solid var(--color-line, #D5DEDC); }
  .calc-life th, .calc-life td { display: block; border: 0; padding: 2px 0; }
  .calc-life td::before { content: attr(data-label) ": "; font-weight: 700; color: var(--color-slate, #536763); }
}

.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
[hidden] { display: none !important; }
@media (prefers-reduced-motion: reduce) { .calc-chip { transition: none; } }