.calc{margin:32px 0;padding:20px;border-radius:22px;background:var(--color-bg-elevated);border:1px solid var(--color-hairline);box-shadow:var(--shadow-sm)}.calc__field{display:flex;flex-direction:column;gap:6px;min-width:0}.calc__field+.calc__field,.calc__field+.calc__row,.calc__row+.calc__row{margin-top:16px}.calc__row{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:12px 16px;margin-top:16px}.calc__row .calc__field+.calc__field{margin-top:0}.calc__label{font-size:15px;font-weight:600;color:var(--color-ink)}.calc__hint{margin:0;font-size:14px;line-height:20px;color:var(--color-ink-muted)}.prose .calc__hint{margin-top:0}.prose .calc__row+.calc__hint{margin-top:8px}.calc__input{width:100%;min-width:0;box-sizing:border-box;font:inherit;font-size:16px;line-height:24px;padding:10px 12px;border-radius:12px;border:1px solid var(--color-hairline-strong);background:var(--color-bg);color:var(--color-ink)}.calc__input--area{resize:vertical;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:16px}.calc__input:focus-visible,.calc__button:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.calc__actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.calc__actions[hidden]{display:none}.calc__button{font:inherit;font-size:14px;font-weight:550;padding:8px 14px;border-radius:999px;border:1px solid var(--color-hairline-strong);background:transparent;color:var(--color-ink-soft);cursor:pointer}.calc__button:hover{color:var(--color-ink)}.calc__results{margin-top:20px;padding-top:18px;border-top:1px solid var(--color-hairline)}.calc__figures{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px;margin:0}.calc__figure dt{font-size:13px;font-weight:600;letter-spacing:.02em;color:var(--color-ink-muted)}.calc__figure dd{margin:4px 0 0;display:flex;flex-direction:column;gap:2px}.calc__value{font-size:26px;line-height:32px;font-weight:620;letter-spacing:-.02em;color:var(--color-ink);font-variant-numeric:tabular-nums}.calc__figure--lead .calc__value{color:var(--color-accent)}.calc__detail{font-size:14px;line-height:20px;color:var(--color-ink-muted)}.calc__formula{margin:14px 0 0;font-size:15px;line-height:24px;color:var(--color-ink-soft);overflow-wrap:anywhere}.calc__note{margin:12px 0 0;font-size:14px;line-height:20px;color:var(--color-warn)}.calc__note:empty{display:none}.calc__chart{margin:22px 0 0}.calc__legend{display:flex;flex-wrap:wrap;gap:6px 16px;margin-top:10px;font-size:13px;line-height:18px;color:var(--color-ink-muted)}.calc__legend span{display:inline-flex;align-items:center;gap:6px}.calc__swatch{display:inline-block;width:12px;height:12px;border-radius:3px}.calc__swatch--under{background:var(--color-accent)}.calc__swatch--over{background:var(--color-warn)}.calc__swatch--p85{width:3px;height:14px;border-radius:0;background:var(--color-ink)}.calc__swatch--limit{width:0;height:14px;border-radius:0;border-left:2px dashed var(--color-ink-muted)}.hist__plot{position:relative;display:flex;align-items:flex-end;gap:3px;height:196px;padding-top:56px;border-bottom:1px solid var(--color-hairline-strong)}.hist__col{flex:1 1 0;min-width:0;height:100%;display:flex;align-items:flex-end}.hist__bar{position:relative;width:100%;height:100%;display:flex;flex-direction:column;justify-content:flex-end}.hist__seg{display:block;width:100%}.hist__seg--under{background:var(--color-accent);border-radius:0}.hist__seg--over{background:var(--color-warn);border-radius:4px 4px 0 0}.hist__count{position:absolute;left:0;right:0;text-align:center;font-size:12px;line-height:16px;color:var(--color-ink-muted);font-variant-numeric:tabular-nums}.hist__marker{position:absolute;top:0;bottom:0;width:0;pointer-events:none}.hist__marker--p85{border-left:2px solid var(--color-ink)}.hist__marker--limit{border-left:2px dashed var(--color-ink-muted)}.hist__marker span{position:absolute;top:0;left:4px;font-size:12px;line-height:16px;font-weight:600;white-space:nowrap;color:var(--color-ink);padding:0 3px;border-radius:4px;background:var(--color-bg-elevated)}.hist__marker--limit span{top:19px;color:var(--color-ink-muted)}.hist__axis{position:relative;height:20px;margin-top:4px}.hist__tick{position:absolute;top:0;transform:translate(-50%);font-size:12px;line-height:16px;color:var(--color-ink-muted);font-variant-numeric:tabular-nums}.hist__tick:first-child{transform:none}.hist__tick:last-child{transform:translate(-100%)}.hist__unit{margin:0;font-size:12px;line-height:16px;color:var(--color-ink-muted)}.hist__empty{margin:0;padding:40px 0;text-align:center;font-size:14px;color:var(--color-ink-muted)}