/* PREPOROD — kalkulator rekonstitucije */
.section--calculator { padding-top: 32px; }
.calc {
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-card);
  box-shadow: var(--shadow-sm); overflow: hidden; position: relative;
}
.calc::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--color-primary); }
.calc__form { display: grid; grid-template-columns: 1fr; gap: 4px 24px; padding: 32px 32px 16px; }
@media (min-width: 640px) { .calc__form { grid-template-columns: 1fr 1fr; } }
.calc__results { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--color-border); border-top: 1px solid var(--color-border); }
@media (min-width: 768px) { .calc__results { grid-template-columns: repeat(4, 1fr); } }
.calc__result { background: var(--color-bg); padding: 24px 20px; display: flex; flex-direction: column; gap: 6px; }
.calc__result--primary { background: var(--color-primary-light); }
.calc__label { font-size: 11px; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-text-secondary); }
.calc__value { font-family: var(--font-serif); font-size: 36px; line-height: 1; letter-spacing: 0.02em; color: var(--color-text); font-variant-numeric: tabular-nums; }
.calc__result--primary .calc__value { color: var(--color-primary-dark); }
.calc__value small { font-family: var(--font-sans); font-size: 12px; color: var(--color-text-secondary); letter-spacing: 0.04em; }
.calc__warning { grid-column: 1 / -1; background: rgba(201, 133, 0, 0.08); color: var(--color-accent); font-size: 13px; padding: 12px 20px; margin: 0; }
.calc__actions { padding: 16px 32px; display: flex; justify-content: flex-end; border-top: 1px solid var(--color-border); }
.calc__notes { margin-top: 48px; }
.calc__notes h3 { font-size: 26px; }