/* Calculators on /tools/ (layouts/seo.njk pages): GST calculator and PTR / PTS calculator.
   The form sits inside .prose; the logic is in /assets/js/tools.js. */

.calc { margin: 1.6em 0 2em; padding: clamp(16px, 3vw, 26px); border: 1px solid #d6e6ff; border-radius: 16px; background: var(--surface-soft); }
.prose .calc-title { margin: 0 0 14px; font-size: clamp(1.2rem, 1.05rem + .5vw, 1.5rem); }
.calc-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 22px; }
.calc-wide { grid-column: 1 / -1; }
.calc fieldset { margin: 0; padding: 0; border: 0; min-width: 0; }
.calc-label { display: block; margin: 0 0 6px; padding: 0; font-weight: 700; color: var(--navy); font-size: .98rem; line-height: 1.35; }
.calc-sub { display: block; margin: 10px 0 6px; font-size: .92rem; font-weight: 600; color: #333; line-height: 1.4; }
.prose .calc-hint { margin: 6px 0 0; font-size: .86rem; color: var(--muted); line-height: 1.45; }
.prose .calc-error { margin: 4px 0 0; min-height: 0; font-size: .88rem; font-weight: 600; color: #b3261e; line-height: 1.4; }
.prose .calc-error:empty { display: none; }

/* text inputs */
.calc input[type="text"] { display: block; width: 100%; height: 48px; padding: 0 14px; border: 1px solid #a9bbd8; border-radius: 10px; background: #fff; color: #111; font: inherit; font-size: 1.1rem; font-variant-numeric: tabular-nums; }
.calc input[type="text"]:focus { outline: 3px solid rgba(0, 140, 255, .35); outline-offset: 1px; border-color: var(--blue); }
.calc input[aria-invalid="true"] { border-color: #b3261e; }
.calc-money { position: relative; }
.calc-money span { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: #444; font-size: 1.1rem; pointer-events: none; }
.calc-money input[type="text"] { padding-left: 32px; }
.calc-other { margin-top: 4px; max-width: 22rem; }

/* radio rows */
.calc-opt { display: flex; align-items: flex-start; gap: 10px; margin: 0 0 8px; padding: 10px 12px; border: 1px solid #d6e0ef; border-radius: 10px; background: #fff; cursor: pointer; line-height: 1.45; font-size: .97rem; }
.calc-opt input { flex: none; width: 18px; height: 18px; margin: 3px 0 0; accent-color: var(--blue); }
.calc-opt:has(input:checked) { border-color: var(--blue); box-shadow: 0 0 0 1px var(--blue) inset; }
.calc-opt:has(input:focus-visible) { outline: 3px solid rgba(0, 140, 255, .35); outline-offset: 1px; }

/* rate chips (radio buttons that look like pills) */
.calc-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.calc-chip { position: relative; display: inline-flex; cursor: pointer; }
.calc-chip input { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: pointer; }
.calc-chip span { display: inline-block; min-width: 58px; padding: 9px 14px; border: 1px solid #a9bbd8; border-radius: 999px; background: #fff; color: var(--navy); font-weight: 700; font-size: .95rem; text-align: center; line-height: 1.2; }
.calc-chip input:checked + span { background: var(--blue); border-color: var(--blue); color: #fff; }
.calc-chip input:focus-visible + span { outline: 3px solid rgba(0, 140, 255, .45); outline-offset: 2px; }
.calc-chip:hover span { border-color: var(--blue); }

/* results */
.calc-out { margin-top: 20px; padding: clamp(14px, 2.4vw, 20px); border: 1px solid #dfe5f0; border-radius: 12px; background: #fff; }
.prose .calc-results { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 170px), 1fr)); gap: 10px; margin: 0; }
.calc-results > div { padding: 10px 12px; border-radius: 10px; background: #f3f6fb; }
.calc-results dt { margin: 0; font-size: .85rem; color: #444; line-height: 1.35; }
.calc-results dd { margin: 3px 0 0; font-size: 1.3rem; font-weight: 800; color: var(--navy); font-variant-numeric: tabular-nums; line-height: 1.25; overflow-wrap: anywhere; }
.calc-results dd small { display: block; margin-top: 2px; font-size: .8rem; font-weight: 500; color: #555; }
.calc-results > .is-total { background: var(--navy); }
.calc-results > .is-total dt, .calc-results > .is-total dd { color: #fff; }
.calc-results > .calc-wide-row { grid-column: 1 / -1; }
.calc [hidden] { display: none !important; }
.calc.is-blank .calc-results dd, .calc.is-blank .calc-steps { opacity: .35; }
.prose .calc-steps-title { margin: 18px 0 6px; font-size: 1.02rem; }
.prose .calc-steps { margin: 0; padding-left: 1.3em; font-size: .95rem; line-height: 1.6; font-variant-numeric: tabular-nums; }
.prose .calc-steps li { margin: .25em 0; }
.calc-actions { margin-top: 14px; }
.calc-actions .btn { min-height: 44px; }
.prose .calc-note { margin: 12px 0 0; font-size: .92rem; color: #b3261e; }

@media (max-width: 640px) {
  .calc { padding: 14px 12px; }
  .calc-grid { grid-template-columns: minmax(0, 1fr); }
  .calc-out { padding: 12px 10px; }
  /* one result per row: label on the left, amount on the right */
  .prose .calc-results { grid-template-columns: minmax(0, 1fr); gap: 6px; }
  .calc-results > div { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; padding: 9px 10px; }
  .calc-results dt { flex: 1 1 auto; }
  .calc-results dd { flex: 0 1 auto; margin: 0; font-size: 1.1rem; text-align: right; overflow-wrap: normal; }
  .calc-results > .calc-wide-row { display: block; }
  .calc-results > .calc-wide-row dd { margin-top: 3px; text-align: left; }
  .calc-chip span { min-width: 52px; padding: 9px 12px; }
}