.calculator { padding: 28px; margin-bottom: 36px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); }
.calc-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; margin-bottom: 25px; }
.calc-top h2 { margin-bottom: 12px; font-size: 28px; }
.calc-top p { max-width: 720px; color: var(--muted); margin: 0; font-size: 14px; }
.calc-badge { flex-shrink: 0; border-radius: 4px; background: var(--lime); font-size: 11px; font-weight: 700; padding: 6px 9px; }
.calc-settings { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; margin-bottom: 26px; }
.calc-field { display: flex; flex-direction: column; min-width: 0; gap: 7px; }
.calc-field > span { font-size: 12px; font-weight: 700; line-height: 1.5; }
.calc-field small, .calc-hint, .calc-privacy { font-size: 12px; line-height: 1.65; color: var(--muted); }
.calc-optional { font-weight: 400; }
.calc-field input, .calc-field select { min-width: 0; width: 100%; min-height: 46px; padding: 10px; border: 1px solid #bac3b6; border-radius: 6px; color: var(--ink); background: #fff; font: inherit; font-size: 14px; }
.calc-field input[aria-invalid="true"] { border-color: #a72f23; outline: 1px solid #a72f23; }
.calc-entry-set { min-width: 0; margin: 0; padding: 0; border: 0; }
.calc-entry-set legend { margin-bottom: 14px; font-size: 17px; font-weight: 700; }
.calc-rows { display: grid; gap: 12px; margin-bottom: 16px; }
.calc-row { min-width: 0; display: grid; grid-template-columns: 1.4fr .6fr 1fr 1fr 1fr auto; align-items: end; gap: 10px; padding: 16px; border: 1px solid var(--line); border-radius: 9px; background: #fff; }
.calc-row[data-payment] { grid-template-columns: 1fr 1.5fr 1fr auto; }
.calc-row .calc-field input { background: #fff; }
.calc-remove { min-width: 44px; min-height: 46px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 6px; color: #505b52; background: white; font: inherit; font-size: 12px; }
.calc-remove:hover { border-color: var(--ink); color: var(--ink); }
.calc-empty { margin: 0; padding: 16px; border: 1px dashed #b8c1b1; border-radius: 9px; font-size: 13px; color: var(--muted); }
.calc-hint { margin: 12px 0 22px; max-width: 900px; }
.calc-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; padding-top: 20px; border-top: 1px solid var(--line); }
.calculator .button { gap: 10px; min-height: 46px; }
.calculator button:disabled { cursor: not-allowed; opacity: .5; }
.calc-reset { min-height: 44px; padding: 8px 10px; border: 0; background: transparent; font: inherit; font-size: 12px; text-decoration: underline; text-underline-offset: 4px; }
.calc-results { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px; margin-top: 24px; }
.calc-results > p { grid-column: 1/-1; font-size: 14px; margin: 0; }
.calc-result { min-width: 0; padding: 20px; border: 1px solid var(--line); border-radius: 9px; background: white; }
.calc-result.is-key { background: var(--ink); color: white; border-color: var(--ink); }
.calc-result span { display: block; font-size: 11px; line-height: 1.6; margin-bottom: 8px; }
.calc-result strong { display: block; overflow-wrap: anywhere; font-size: clamp(23px,3vw,34px); line-height: 1.15; letter-spacing: -.04em; font-weight: 700; }
.calc-result small { display: block; margin-top: 8px; font-size: 11px; line-height: 1.6; }
.calc-error { padding: 14px 16px; border: 1px solid #d9aaa3; border-radius: 6px; background: #fff4f1; color: #852a20; font-size: 13px; margin: 18px 0 0; }
.calc-privacy { margin: 18px 0 0; }
.calc-reading-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 42px; margin-bottom: 40px; }
.calc-explainer { margin-bottom: 38px; max-width: 920px; }
.calc-explainer h2 { font-size: 28px; margin-bottom: 20px; }
.calc-explainer p, .calc-explainer li { color: var(--muted); font-size: 15px; line-height: 1.85; }
.calc-explainer strong { color: var(--ink); }
.calc-explainer a { text-decoration: underline; text-underline-offset: 4px; color: var(--ink); }
.calc-explainer li { margin-bottom: 8px; }
.calc-explainer ul { padding-left: 20px; }
@media (max-width: 1080px) {
  .calc-row { grid-template-columns: 1.25fr .6fr 1fr 1fr 1fr; }
  .calc-row .calc-remove { grid-column: 1/-1; justify-self: end; min-height: 36px; padding: 7px 12px; }
  .calc-row[data-payment] { grid-template-columns: 1fr 1.5fr 1fr; }
}
@media (max-width: 700px) {
  .calculator { padding: 18px; }
  .calc-top { flex-direction: column; gap: 12px; }
  .calc-top h2, .calc-explainer h2 { font-size: 25px; }
  .calc-settings { grid-template-columns: 1fr; gap: 16px; }
  .calc-row, .calc-row[data-payment] { grid-template-columns: 1fr 1fr; gap: 12px; padding: 14px; }
  .calc-row .calc-field:first-child { grid-column: 1/-1; }
  .calc-row[data-payment] .calc-field:first-child { grid-column: auto; }
  .calc-results { grid-template-columns: 1fr; }
  .calc-result { padding: 17px; }
  .calc-result strong { font-size: 29px; }
  .calc-reading-grid { grid-template-columns: 1fr; gap: 0; margin-bottom: 0; }
  .calc-actions > .button { width: 100%; }
}