.calc{font-family:var(--font-ui);grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);align-items:start;gap:20px;margin:24px 0 8px;display:grid}.calc__form{border:1px solid var(--sf-hairline);border-radius:var(--r-plate);background:var(--sf-canvas);grid-template-columns:repeat(2,minmax(0,1fr));align-content:start;gap:14px 16px;padding:18px;display:grid}.calc__result{border:1px solid var(--sf-hairline);border-top:4px solid var(--sf-primary);border-radius:var(--r-plate);background:var(--sf-paper);font-variant-numeric:tabular-nums;padding:18px 20px;position:sticky;top:16px}.calc__result-title{font-family:var(--font-ui);letter-spacing:.06em;text-transform:uppercase;color:var(--sf-muted);margin:0 0 8px;font-size:.85rem;font-weight:800}.calc-field{flex-direction:column;gap:4px;min-width:0;display:flex}.calc-field--wide,.calc-choice,.calc-sub{grid-column:1/-1}.calc-field>label,.calc-choice legend,.calc-sub__title{color:var(--sf-ink);font-size:.97rem;font-weight:750}.calc-hint{color:var(--sf-muted);margin:0;font-size:.88rem;line-height:1.4}.calc-input{align-items:stretch;display:flex}.calc-input input,.calc-field select{font-variant-numeric:tabular-nums;border-radius:var(--r-control);border:1px solid var(--sf-control);background:var(--sf-paper);width:100%;min-width:0;min-height:44px;font-size:1rem}.calc-input input:focus-visible,.calc-field select:focus-visible,.calc-choice input:focus-visible+span{outline:3px solid var(--sf-primary);outline-offset:2px}.calc-input input[aria-invalid=true]{border-color:var(--sf-coral-text);border-width:2px}.calc-unit{border:1px solid var(--sf-control);border-radius:0 var(--r-control) var(--r-control) 0;background:var(--sf-paper);color:var(--sf-muted);white-space:nowrap;border-left:0;align-items:center;margin-left:-1px;padding:0 10px;font-size:.9rem;display:flex}.calc-input:has(.calc-unit) input{border-radius:var(--r-control) 0 0 var(--r-control);border-right:0}.calc-input--vol{max-width:340px}.calc-input--vol select{border-radius:var(--r-control);border:1px solid var(--sf-control);background:var(--sf-paper);flex:none;width:auto;min-height:44px;margin-left:6px;padding:0 8px}.calc-error{color:var(--sf-coral-text);margin:0;font-size:.9rem;font-weight:700}.calc-error:before{content:"! "}.calc-choice{border:0;min-width:0;margin:0;padding:0}.calc-choice legend{margin-bottom:6px;padding:0}.calc-choice__row{flex-wrap:wrap;gap:6px;display:flex}.calc-choice label{display:inline-flex;position:relative}.calc-choice input{opacity:0;cursor:pointer;width:100%;height:100%;margin:0;position:absolute;inset:0}.calc-choice span{border:1px solid var(--sf-control);border-radius:var(--r-control);background:var(--sf-paper);align-items:center;min-height:44px;padding:0 14px;font-size:.97rem;font-weight:650;display:inline-flex}.calc-choice input:checked+span{background:var(--sf-primary);border-color:var(--sf-primary);color:#fff;box-shadow:inset 0 -3px #0b2a4a}.calc-choice input:checked+span:before{content:"✓";margin-right:6px}.calc-sub{border-top:1px solid var(--sf-hairline);grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 16px;padding-top:12px;display:grid}.calc-sub__title{grid-column:1/-1;margin:0}.calc-big{flex-direction:column;margin:0 0 12px;display:flex}.calc-big__label{color:var(--sf-muted);font-size:.95rem;font-weight:700}.calc-big__value{font-family:var(--font-display);color:var(--sf-ink);font-variant-numeric:tabular-nums lining-nums;font-size:clamp(1.9rem,4vw,2.5rem);font-weight:700;line-height:1.15}.calc-big__unit{font-family:var(--font-ui);color:var(--sf-muted);font-size:1.05rem;font-weight:700}.calc-rows{margin:0;font-size:.97rem}.calc-rows>div{border-top:1px solid var(--sf-hairline);justify-content:space-between;gap:12px;padding:7px 0;display:flex}.calc-rows dt{color:var(--sf-muted)}.calc-rows dd{text-align:right;margin:0;font-weight:750}.calc-need{color:var(--sf-muted);margin:0}.calc-flag{border-radius:var(--r-plate);align-items:flex-start;gap:8px;margin:12px 0 0;padding:10px 12px;font-size:.95rem;line-height:1.45;display:flex}.calc-flag__mark{color:#fff;border-radius:4px;flex:0 0 22px;place-items:center;height:22px;font-size:.85rem;font-weight:900;display:inline-grid}.calc-flag--ok{background:var(--sf-ok-tint);color:var(--sf-ok)}.calc-flag--ok .calc-flag__mark{background:var(--sf-ok);border-radius:50%}.calc-flag--caution{background:var(--sf-caution-tint);color:var(--sf-caution)}.calc-flag--caution .calc-flag__mark{background:var(--sf-caution);clip-path:polygon(50% 0,100% 100%,0 100%);border-radius:0;padding-top:4px}.calc-flag--danger{background:var(--sf-coral-tint);color:var(--sf-coral-text)}.calc-flag--danger .calc-flag__mark{background:var(--sf-coral-text)}.calc-days{margin:10px 0 0;padding:0;font-size:.95rem;list-style:none}.calc-days li{border-top:1px solid var(--sf-hairline);padding:7px 0}.calc-days strong{font-family:var(--font-display)}.calc-formula{border:1px solid var(--sf-hairline);border-left:4px double var(--sf-primary);border-radius:var(--r-plate);max-width:var(--measure);margin:12px 0;padding:4px 18px 12px}.calc-formula__maths{font-family:var(--font-ui);flex-direction:column;gap:4px;margin:8px 0 0;font-size:.92rem;display:flex}.calc-formula__maths code{background:var(--sf-canvas);overflow-wrap:anywhere;border-radius:3px;padding:2px 6px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.calc-example{font-family:var(--font-reading);max-width:var(--measure)}.calc-example ol{padding-left:1.3em}.calc-more{font-family:var(--font-ui);grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:0 24px;margin:8px 0 0;padding:0;list-style:none;display:grid}.calc-more li{border-bottom:1px solid var(--sf-hairline);flex-direction:column;gap:2px;padding:10px 0;display:flex}.calc-more a{font-weight:750}.calc-more span{color:var(--sf-muted);font-size:.9rem}.calc-conv{grid-column:1/-1;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px 14px;display:grid}.calc-devices{grid-column:1/-1;gap:10px;display:grid}.calc-device{border-bottom:1px solid var(--sf-hairline);grid-template-columns:minmax(0,2fr) minmax(0,1fr) minmax(0,1fr) auto;align-items:end;gap:8px;padding-bottom:10px;display:grid}.calc-device .calc-field>label{font-size:.88rem}.calc-btn{border:1px solid var(--sf-control);border-radius:var(--r-control);background:var(--sf-paper);min-height:44px;color:var(--sf-primary);cursor:pointer;padding:0 14px;font-weight:750}.calc-btn:hover{background:var(--sf-canvas)}.calc-btn:focus-visible{outline:3px solid var(--sf-primary);outline-offset:2px}.calc-btn--primary{background:var(--sf-primary);color:#fff;border-color:var(--sf-primary)}.calc-btn--primary:hover{background:#174d86}.calc-picker{grid-column:1/-1;align-items:end;gap:8px;display:flex}.calc-picker .calc-field{flex:1}.calc-stock{grid-column:1/-1;margin:0;padding:0;list-style:none}.calc-stock li{border-bottom:1px solid var(--sf-hairline);justify-content:space-between;align-items:center;gap:8px;padding:6px 0;display:flex}.calc-stock small{color:var(--sf-muted);display:block}.calc-findings{margin:8px 0 0;padding:0;font-size:.95rem;list-style:none}.calc-findings li{border-top:1px solid var(--sf-hairline);padding:8px 0}.calc-findings strong{display:block}.calc-order{margin:8px 0 0;padding-left:1.4em;font-size:.95rem}.calc-result-h{font-family:var(--font-display);margin:18px 0 4px;font-size:1.1rem;font-weight:700}.calc-index h2{margin-top:28px}.calc-index__list{font-family:var(--font-ui);grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px;margin:8px 0 0;padding:0;list-style:none;display:grid}.calc-index__list a{border:1px solid var(--sf-hairline);border-left:4px solid var(--sf-primary);border-radius:var(--r-plate);height:100%;color:var(--sf-ink);background:var(--sf-paper);flex-direction:column;gap:4px;padding:14px 16px;text-decoration:none;display:flex}.calc-index__list a:hover{background:var(--sf-canvas)}.calc-index__list strong{font-family:var(--font-display);color:var(--sf-primary);font-size:1.1rem}.calc-index__list span{color:var(--sf-muted);font-size:.95rem}@media (max-width:860px){.calc{grid-template-columns:minmax(0,1fr)}.calc__result{position:static}}@media (max-width:520px){.calc__form,.calc-sub{grid-template-columns:minmax(0,1fr);padding:14px}.calc-sub{padding:12px 0 0}.calc-device{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.calc-device>.calc-field:first-child{grid-column:1/-1}.calc-picker{flex-direction:column;align-items:stretch}}.calc-text{border-radius:var(--r-control);border:1px solid var(--sf-control);background:var(--sf-paper);width:100%;min-width:0;min-height:44px}.calc-text:focus-visible{outline:3px solid var(--sf-primary);outline-offset:2px}.calc-checks{border:0;grid-column:1/-1;margin:0;padding:0}.calc-checks legend{margin-bottom:6px;padding:0;font-weight:750}.calc-checks label{cursor:pointer;align-items:center;gap:8px;min-height:44px;margin-right:16px;display:inline-flex}.calc-checks input{width:20px;height:20px;accent-color:var(--sf-primary)}.calc__result .calc-rows+.calc-hint,.calc__result>div+div{margin-top:16px}