:root{--calc-error:#b42318;--calc-error-soft:#fdecec;--calc-warn:#b45309;--calc-warn-soft:#fff6e5;--calc-ok:#1f6b3a;--calc-ok-soft:#e6f4ea;--calc-control-border:#c6cec6;--calc-control-radius:10px;--calc-field-bg:#f3f5f0}.calc-page{padding-top:28px;padding-bottom:56px}.calc-breadcrumb{color:var(--color-muted);margin-bottom:20px;font-size:.9rem}.calc-breadcrumb ol{flex-wrap:wrap;align-items:center;margin:0;padding:0;list-style:none;display:flex}.calc-breadcrumb li{align-items:center;display:inline-flex}.calc-breadcrumb li+li:before{content:"›";color:var(--color-border-strong);margin:0 8px}.calc-breadcrumb a{color:var(--color-muted);align-items:center;min-height:32px;text-decoration:none;display:inline-flex}.calc-breadcrumb a:hover{color:var(--color-accent-strong);text-decoration:underline}.calc-breadcrumb [aria-current=page]{color:var(--color-text-2)}.calc-hero{margin-bottom:28px}.calc-hero h1{margin:0 0 8px;font-size:clamp(1.7rem,1.35rem + 1.5vw,2.25rem)}.calc-lede{color:var(--color-text-2);max-width:44em;margin:0;font-size:1.05rem;line-height:1.65}.calc-static{max-width:44em}.calc-nojs{background:var(--calc-warn-soft);border-left:3px solid var(--calc-warn);border-radius:var(--calc-control-radius);color:#5a3a00;margin:0 0 20px;padding:12px 16px;font-weight:500}.calc-static__heading{margin:0 0 10px;font-size:1.05rem}.calc-static-fields{gap:8px;margin:0 0 16px;padding:0;list-style:none;display:grid}.calc-static-fields li{border:1px solid var(--color-border);border-radius:var(--calc-control-radius);background:var(--color-surface);padding:10px 14px}.calc{grid-template-columns:minmax(0,1fr);align-items:start;gap:20px;display:grid}@media (width>=900px){.calc{grid-template-columns:minmax(300px,380px) minmax(0,1fr);gap:28px}}.calc-form{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);min-width:0;box-shadow:var(--shadow-sm);padding:20px}.calc-fieldset,.calc-subfieldset{border:0;min-width:0;margin:0;padding:0}.calc-legend{border-bottom:1px solid var(--color-border);width:100%;margin:0 0 16px;padding:0 0 12px 14px;font-size:1.05rem;font-weight:700;position:relative}.calc-legend:before{content:"";background:var(--color-accent);border-radius:2px;width:4px;height:1em;position:absolute;top:.3em;left:0}.calc-subfieldset,.calc-field{margin-bottom:18px}.calc-label{color:var(--color-text-2);margin-bottom:6px;font-size:.92rem;font-weight:600;line-height:1.4;display:block}.calc-hint{color:var(--color-muted);margin:6px 0 0;font-size:.82rem;line-height:1.5}.calc-input-wrap{border:1px solid var(--calc-control-border);border-radius:var(--calc-control-radius);background:var(--color-surface);align-items:stretch;transition:border-color .12s;display:flex;overflow:hidden}.calc-input-wrap:hover{border-color:var(--color-muted)}.calc-input-wrap:focus-within{border-color:var(--color-accent);outline:3px solid var(--color-accent);outline-offset:2px}.calc-input{min-width:0;min-height:44px;font:inherit;font-variant-numeric:tabular-nums;text-align:right;color:var(--color-text);background:0 0;border:0;flex:auto;padding:8px 12px;font-size:1.0625rem;font-weight:500}.calc-input:focus{outline:none}.calc-input-suffix{border-left:1px solid var(--color-border);background:var(--calc-field-bg);min-width:3em;color:var(--color-muted);white-space:nowrap;justify-content:center;align-items:center;padding:0 12px;font-size:.85rem;font-weight:600;display:flex}.calc-field--error .calc-input-wrap{border-color:var(--calc-error)}.calc-field--error .calc-input-wrap:focus-within{outline-color:var(--calc-error)}.calc-error{color:var(--calc-error);margin:6px 0 0;font-size:.88rem;line-height:1.5}.calc-select{border:1px solid var(--calc-control-border);border-radius:var(--calc-control-radius);background:var(--color-surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%235d6b64' stroke-width='1.6'/%3E%3C/svg%3E") no-repeat right 12px center;width:100%;min-height:44px;font:inherit;color:var(--color-text);-webkit-appearance:none;appearance:none;padding:8px 36px 8px 12px;font-size:1rem;display:block}.calc-select:hover{border-color:var(--color-muted)}.calc-select:focus-visible{border-color:var(--color-accent)}.calc-segmented{border:1px solid var(--calc-control-border);border-radius:var(--calc-control-radius);background:var(--calc-field-bg);gap:2px;padding:2px;display:flex}.calc-seg{flex:1 1 0;margin:0;position:relative}.calc-seg input{opacity:0;cursor:pointer;margin:0;position:absolute;inset:0}.calc-seg span{min-height:40px;color:var(--color-text-2);cursor:pointer;border-radius:8px;justify-content:center;align-items:center;padding:0 8px;font-size:.95rem;transition:background-color .12s,color .12s,box-shadow .12s;display:flex}.calc-seg input:checked+span{background:var(--color-surface);color:var(--color-accent-strong);box-shadow:var(--shadow-sm), inset 0 0 0 1px var(--color-accent-soft), inset 0 -2px 0 var(--color-accent);font-weight:700}.calc-seg input:focus-visible+span{outline:3px solid var(--color-accent);outline-offset:-3px}.calc-actions{gap:12px;margin-top:22px;display:flex}.calc-btn{border-radius:var(--calc-control-radius);border:1px solid var(--calc-control-border);background:var(--color-surface);min-height:44px;color:var(--color-text);font:inherit;cursor:pointer;padding:0 20px;font-size:1rem;font-weight:600;transition:background-color .12s,border-color .12s,color .12s}.calc-btn:hover{border-color:var(--color-accent);color:var(--color-accent-strong);background:var(--color-accent-tint)}.calc-btn--primary{background:var(--color-accent);border-color:var(--color-accent);color:#fff;flex:auto;box-shadow:inset 0 1px #ffffff24}.calc-btn--primary:hover{background:var(--color-accent-strong);border-color:var(--color-accent-strong);color:#fff}.calc-results{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);min-width:0;box-shadow:var(--shadow-sm);padding:20px 22px 16px}.calc-results__head{border-bottom:1px solid var(--color-border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:8px;padding-bottom:12px;display:flex}.calc-results__title{margin:0;padding-left:14px;font-size:1.05rem;position:relative}.calc-results__title:before{content:"";background:var(--color-accent);border-radius:2px;width:4px;height:1em;position:absolute;top:.3em;left:0}.calc-status{white-space:nowrap;border-radius:999px;padding:3px 10px;font-size:.82rem;font-weight:600;line-height:1.4}.calc-status--example{color:var(--color-accent-strong);background:var(--color-accent-soft)}.calc-status--computed{color:var(--calc-ok);background:var(--calc-ok-soft)}.calc-status--outdated{color:#7a4b00;background:var(--calc-warn-soft)}.calc-status--invalid{color:var(--calc-error);background:var(--calc-error-soft)}.calc-empty{border-radius:var(--calc-control-radius);background:var(--calc-field-bg);color:var(--color-muted);text-align:center;margin:12px 0 0;padding:20px 16px;line-height:1.6}@media (width>=900px){.calc-results--empty{flex-direction:column;align-self:stretch;display:flex}.calc-results--empty .calc-empty{flex:auto;justify-content:center;align-items:center;display:flex}}.calc-ledger{margin:4px 0 0;padding:0}.calc-ledger__row{border-top:1px dashed var(--color-border);justify-content:space-between;align-items:baseline;gap:12px;padding:12px 0;display:flex}.calc-ledger__row:first-child{border-top:0}.calc-ledger dt{color:var(--color-muted);flex:auto;align-items:baseline;margin:0;font-size:.95rem;display:flex}.calc-ledger dt:after{content:"";border-bottom:1px dotted var(--color-border-strong);flex:16px;min-width:16px;margin:0 10px;transform:translateY(-.3em)}.calc-ledger dd{font-variant-numeric:tabular-nums;text-align:right;overflow-wrap:anywhere;margin:0;font-size:1.15rem;font-weight:600}.calc-ledger__row--primary{background:var(--color-accent-tint);border-radius:var(--calc-control-radius);border-top:0;margin:4px -16px;padding:14px 16px 16px}.calc-ledger__row--primary+.calc-ledger__row{border-top:0}.calc-ledger__row--primary dt{color:var(--color-accent-strong);font-weight:600}.calc-ledger__row--primary dt:after{border-bottom-color:var(--color-accent-soft)}.calc-ledger__row--primary dd{color:var(--color-accent-strong);letter-spacing:-.01em;font-size:clamp(1.5rem,1.15rem + 1.4vw,2.1rem);font-weight:800}.calc-unit{color:var(--color-muted);letter-spacing:0;margin-left:.35em;font-size:.62em;font-weight:500}.calc-negative{color:var(--calc-error)}.calc-overflow{color:var(--calc-warn);font-size:.85rem;font-weight:500}@media (width<=420px){.calc-ledger__row{flex-direction:column;align-items:flex-start;gap:2px}.calc-ledger dt:after{display:none}.calc-ledger dd{text-align:left}.calc-ledger__row--primary{margin-inline:-12px;padding-inline:12px}.calc-table th,.calc-table td{padding:8px;font-size:.88rem}.calc-results{padding:16px 16px 12px}.calc-form{padding:16px}}.calc-notice{border-radius:var(--calc-control-radius);border-left:3px solid;margin:12px 0 0;padding:10px 14px;font-size:.92rem;line-height:1.6}.calc-notice--info{background:var(--color-accent-soft);border-color:var(--color-accent);color:var(--color-accent-strong)}.calc-notice--warn{background:var(--calc-warn-soft);border-color:var(--calc-warn);color:#5a3a00}.calc-assumptions{color:var(--color-muted);margin:16px 0 0;font-size:.9rem;line-height:1.6}.calc-not-advice{color:var(--color-muted);border-top:1px solid var(--color-border);margin:20px 0 0;padding-top:12px;font-size:.85rem;line-height:1.6}.calc-visual{margin-top:22px}.calc-visual__title{color:var(--color-text-2);margin:0 0 10px;font-size:.95rem;font-weight:700}.calc-chart{width:100%;height:280px}.calc-table-wrap{-webkit-overflow-scrolling:touch;border:1px solid var(--color-border);border-radius:var(--calc-control-radius);max-height:26rem;overflow:auto}.calc-table{border-collapse:collapse;font-variant-numeric:tabular-nums;width:100%;font-size:.92rem}.calc-table th,.calc-table td{border-bottom:1px solid var(--color-border);text-align:right;white-space:nowrap;padding:8px 12px}.calc-table th:first-child,.calc-table td:first-child{text-align:left}.calc-table thead th{background:var(--color-accent-tint);color:var(--color-accent-strong);z-index:1;font-weight:600;position:sticky;top:0}.calc-table tbody th{font-weight:500}.calc-table tbody tr:nth-child(2n) th,.calc-table tbody tr:nth-child(2n) td{background:#fafbf8}.calc-table tbody tr:last-child th,.calc-table tbody tr:last-child td{border-bottom:0;font-weight:600}.calc-table .calc-unit{font-size:.8em}