/* Position sizing uses the same editorial tokens as every secondary page. */
.page-calculator *,
.page-calculator *::before,
.page-calculator *::after { box-sizing: border-box; }

.page-calculator { margin: 0; }
.page-calculator .page-header p { max-width: 65ch; }

.page-calculator .calculator-box {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px 24px;
  margin: 32px 0 48px;
  padding: 32px;
  border: 1px solid var(--page-line);
  border-radius: 14px;
  background: var(--bg-secondary);
}

.page-calculator .input-group { min-width: 0; }
.page-calculator .input-group label {
  display: block;
  margin-bottom: 10px;
  color: var(--text-primary);
  font-size: var(--cs-text-body, 15px);
  font-weight: 600;
  line-height: 1.5;
}

.page-calculator .input-group input {
  display: block;
  width: 100%;
  min-height: 50px;
  padding: 12px 14px;
  border: 1px solid var(--page-line);
  border-radius: 8px;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--cs-font-body, 'Manrope', sans-serif);
  font-size: 16px;
  font-variant-numeric: tabular-nums;
  line-height: 1.5;
  transition: border-color .2s ease, background .2s ease;
}

.page-calculator .input-group input::placeholder { color: var(--text-tertiary); opacity: 1; }
.page-calculator .input-group input:hover { border-color: rgba(139, 229, 227, .35); }
.page-calculator .input-group input:focus-visible { border-color: var(--accent-cyan); outline-offset: 3px; }
.page-calculator .input-group .unit {
  margin-top: 8px;
  color: var(--text-tertiary);
  font-size: var(--cs-text-small, 12px);
  line-height: 1.65;
}

.page-calculator .result-box {
  grid-column: 1 / -1;
  padding: 24px;
  border: 1px solid rgba(139, 229, 227, .26);
  border-radius: 10px;
  background: rgba(139, 229, 227, .045);
  text-align: left;
}
.page-calculator .result-label {
  margin-bottom: 10px;
  color: var(--text-tertiary);
  font-size: var(--cs-text-small, 12px);
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.page-calculator .result-value {
  color: var(--accent-cyan);
  font-family: var(--cs-font-display, 'Space Grotesk', sans-serif);
  font-size: 36px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.04em;
  line-height: 1.25;
  overflow-wrap: anywhere;
}
.page-calculator .result-detail {
  margin-top: 12px;
  color: var(--text-secondary);
  font-size: var(--cs-text-body, 15px);
  line-height: 1.75;
}

.page-calculator .formula-box {
  max-width: 100%;
  margin: 28px 0;
  padding: 24px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  border: 1px solid var(--page-line);
  border-radius: 10px;
  background: var(--bg-secondary);
  color: var(--accent-cyan);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 13px;
  line-height: 1.9;
  overflow-wrap: anywhere;
}

.page-calculator .disclaimer-box {
  margin-top: 40px;
  padding: 24px;
  font-size: var(--cs-text-small, 12px);
  line-height: 1.8;
}

@media (max-width: 600px) {
  .page-calculator .calculator-box { grid-template-columns: minmax(0, 1fr); gap: 24px; padding: 20px; }
  .page-calculator .result-box,
  .page-calculator .formula-box,
  .page-calculator .disclaimer-box { padding: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-calculator .input-group input { transition: none; }
}