/* Калькуляторы /kalkulyator/ — дополнение к style.css */
.calc-page article { max-width: 960px; }
.calc-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin: 6px 0 8px; }
.calc-tabs .btn { min-height: 42px; font-size: 15px; }

.calc { scroll-margin-top: 84px; border-top: 2px solid var(--ink); margin-top: 40px; padding-top: 8px; }
.calc > p { color: var(--ink-2); }
.calc-box {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start;
  background: #f7f8fb; border: 1px solid var(--rule); border-radius: var(--radius); padding: 24px; margin: 18px 0 20px;
}
.calc-box .field { margin-bottom: 14px; }
.calc-box .field input, .calc-box .field select { background: #fff; }
.field .hint { font-size: 13px; color: var(--ink-3); margin: 0; }
.field .err { font-size: 13.5px; color: #b42318; margin: 0; min-height: 0; }
.field input[aria-invalid="true"] { border-color: #b42318; }

.choice { border: 0; margin: 0 0 14px; padding: 0; display: grid; gap: 8px; min-width: 0; }
.choice legend { font-size: 14px; font-weight: 600; margin-bottom: 6px; padding: 0; }
.choice label {
  display: flex; gap: 10px; align-items: flex-start; padding: 11px 14px; cursor: pointer;
  background: #fff; border: 1.5px solid var(--rule); border-radius: 10px; font-size: 15px; line-height: 1.4;
}
.choice label:has(input:checked) { border-color: var(--stamp); background: var(--stamp-soft); }
.choice input, .check input { margin-top: 3px; width: 18px; height: 18px; accent-color: var(--stamp); flex: none; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 14.5px; color: var(--ink-2); cursor: pointer; }

.calc-out { background: var(--sheet); border: 1px solid var(--rule); border-radius: 12px; padding: 20px 22px; min-height: 140px; }
.calc-out p { margin: 0 0 10px; font-size: 15px; }
.calc-sum { display: grid; gap: 2px; }
.calc-sum span { font-size: 14px; color: var(--ink-3); }
.calc-sum b { font: 600 clamp(28px, 4vw, 36px)/1.15 var(--mono); color: var(--stamp-ink); letter-spacing: -.02em; overflow-wrap: anywhere; }
.page .calc-formula { font: 400 14px/1.5 var(--mono); color: var(--ink); background: #f3f4f8; padding: 8px 10px; border-radius: 8px; overflow-wrap: anywhere; }
.page .calc-basis { font-size: 13.5px; color: var(--ink-3); }
.page .calc-fine { color: var(--ink); }
.page .calc-note, .page .calc-hint { font-size: 14px; color: var(--ink-2); }
.calc-note { border-left: 3px solid var(--free); padding-left: 10px; }

.calc-table { width: 100%; border-collapse: collapse; font-size: 14.5px; margin: 8px 0 18px; }
.calc-table th, .calc-table td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--rule); vertical-align: top; }
.calc-table th { font-weight: 600; background: #f7f8fb; }
.calc-table td:last-child { font-family: var(--mono); font-size: 13.5px; }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }

.calc-cta {
  margin: 44px 0 10px; background: var(--ink); color: #e4e7f1; border-radius: var(--radius); padding: 30px 32px;
}
.page .calc-cta h2 { color: #fff; margin-top: 0; font-size: 24px; }
.page .calc-cta p { color: #c3c8da; }
.calc-cta .cta { margin-top: 18px; }
.calc-cta .btn-line { background: transparent; color: #fff; border-color: rgba(255,255,255,.3); }
.calc-cta .btn-line:hover { border-color: #fff; color: #fff; }

.calc-links { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 18px; font-size: 15.5px; }

@media (max-width: 760px) {
  .calc-box { grid-template-columns: 1fr; padding: 18px 16px; gap: 14px; }
}
@media (max-width: 680px) {
  .calc-cta { padding: 24px 18px; }
  .calc-tabs .btn, .calc-cta .btn { flex: 1 1 100%; }
  .calc-out { padding: 16px; }
}
.calc-page article { margin: 0 auto; }