.special-tool {
  --special-blue: var(--blue, #3b82f6);
  --special-ink: var(--ink, #12233f);
  --special-soft: var(--ink-soft, #475569);
  --special-line: var(--line, #cbd5e1);
  --special-surface: var(--surface, #fff);
  --special-muted: var(--surface-muted, #eff6ff);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 16px;
  margin: 28px 0 20px;
  color: var(--special-ink);
}
.special-tool__head,
.special-tool__form,
.special-tool__result { min-width: 0; }
.special-tool__head {
  grid-column: 1;
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 14px;
  padding: 24px 26px 0;
}
.special-tool__head h2 { margin: 0; font-size: 25px; letter-spacing: -.035em; line-height: 1.12; }
.special-tool__head p:not(.special-tool__eyebrow) { margin: 5px 0 0; color: var(--special-soft); font-size: 14px; }
.special-tool__eyebrow { margin: 0 0 8px; color: var(--blue-dark, #2563eb); font-size: 11px; font-weight: 850; letter-spacing: .09em; text-transform: uppercase; }
.special-tool__form {
  grid-column: 1;
  grid-row: 2;
  padding: 0 26px 26px;
  border: 1px solid var(--special-line);
  border-top: 0;
  border-radius: 0 0 16px 16px;
  background: var(--special-surface);
  box-shadow: var(--shadow-soft, 0 4px 16px rgba(15,23,42,.05));
}
.special-tool__fieldset { margin: 20px 0 0; padding: 0; border: 0; }
.special-tool__fieldset legend { margin-bottom: 11px; color: var(--special-ink); font-size: 14px; font-weight: 800; }
.special-tool__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px 17px; }
.special-tool__field { display: grid; gap: 5px; min-width: 0; }
.special-tool__field label { color: var(--special-ink); font-size: 13px; font-weight: 760; }
.special-tool__field input,
.special-tool__field select { width: 100%; min-height: 42px; padding: 8px 10px; border: 1px solid var(--special-line); border-radius: 8px; color: var(--special-ink); background: #fff; font: inherit; }
.special-tool__field input:focus,
.special-tool__field select:focus { border-color: var(--special-blue); outline: 2px solid rgba(59,130,246,.18); }
.special-tool__field input[aria-invalid="true"],
.special-tool__field select[aria-invalid="true"] { border-color: #dc2626; outline-color: rgba(220,38,38,.18); }
.special-tool__field small { min-height: 15px; margin-top: -2px; color: var(--special-soft); font-size: 11px; line-height: 1.35; }
.special-tool__note { margin: 19px 0 0; padding: 12px 14px; border-left: 4px solid var(--amber, #b45309); border-radius: 0 8px 8px 0; color: #78350f; background: var(--amber-pale, #fffbeb); font-size: 12px; }
.special-tool__error { margin: 17px 0 0; padding: 10px 12px; border: 1px solid #fecaca; border-radius: 8px; color: #991b1b; background: #fef2f2; font-size: 13px; }
.special-tool__actions { display: flex; gap: 10px; align-items: center; margin-top: 21px; }
.special-tool__reset { flex: 0 0 auto; padding: 5px 0; border: 0; color: var(--blue-dark, #2563eb); background: transparent; font-size: 13px; text-decoration: underline; }
.special-tool__result {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: start;
  min-height: 100%;
  padding: 26px;
  border: 1px solid var(--special-line);
  border-radius: 16px;
  background: linear-gradient(135deg, #fff, #f8fbff);
  box-shadow: var(--shadow-soft, 0 4px 16px rgba(15,23,42,.05));
}
.special-tool__result-head { display: flex; align-items: start; justify-content: space-between; gap: 12px; }
.special-tool__result h3 { margin: 0; font-size: 22px; letter-spacing: -.03em; }
.special-tool__pill { display: inline-flex; align-items: center; padding: 6px 9px; border: 1px solid #a7f3d0; border-radius: 999px; color: #047857; background: #ecfdf5; font-size: 11px; font-weight: 780; white-space: nowrap; }
.special-tool__metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin: 22px 0 16px; }
.special-tool__metric { min-width: 0; padding: 14px 12px; border: 1px solid #e2e8f0; border-radius: 10px; background: #fff; }
.special-tool__metric strong { display: block; overflow-wrap: anywhere; font-size: 21px; letter-spacing: -.035em; line-height: 1.15; }
.special-tool__metric span { display: block; margin-top: 5px; color: var(--special-soft); font-size: 11px; line-height: 1.3; }
.special-tool__detail { margin-top: 15px; padding: 13px 14px; border-radius: 9px; color: var(--special-soft); background: #f8fafc; font-size: 12px; line-height: 1.5; }
.special-tool__formula { margin: 22px 0 0; padding-top: 15px; border-top: 1px solid #e2e8f0; color: var(--special-soft); font-size: 12px; line-height: 1.5; }
.special-tool__assumption { margin: 12px 0 0; color: var(--special-soft); font-size: 12px; line-height: 1.5; }
.special-tool__live { min-height: 17px; margin: 13px 0 0; color: #047857; font-size: 12px; font-weight: 700; }
.special-tool--development .special-tool__fieldset:nth-of-type(2) { margin-top: 16px; }
.special-tool--development:not(.is-blended) .special-tool__fieldset:first-of-type { opacity: .58; }
.special-tool--development.is-blended .special-tool__fieldset:nth-of-type(2) { opacity: .58; }
.special-tool--development.is-blended .special-tool__fieldset:nth-of-type(2) input { pointer-events: none; }
.special-tool [hidden] { display: none; }
@media (max-width: 920px) {
  .special-tool { grid-template-columns: 1fr; }
  .special-tool__head, .special-tool__form, .special-tool__result { grid-column: 1; }
  .special-tool__head { grid-row: 1; }
  .special-tool__form { grid-row: 2; border-top: 0; }
  .special-tool__result { grid-row: 3; min-height: 0; }
}
@media (max-width: 620px) {
  .special-tool__head { padding: 19px 18px 0; }
  .special-tool__form { padding: 0 18px 19px; }
  .special-tool__result { padding: 19px 18px; }
  .special-tool__grid { grid-template-columns: 1fr; gap: 12px; }
  .special-tool__metrics { grid-template-columns: 1fr 1fr; }
  .special-tool__metric:last-child { grid-column: span 2; }
  .special-tool__result-head { align-items: start; flex-direction: column; }
}