:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--paper:#f3f1ea;--sheet:#fff;--ink:#1d1d1b;--muted:#5b5b57;--line:#1d1d1b;--rule:#c9c6bc;--field:#fbfaf6;--brand-yellow:#f5b700;--brand-blue:#14304d;--accent:var(--brand-blue);--accent-ink:#fff;--on:var(--brand-blue);--on-ink:#fff;--appbar-top:env(safe-area-inset-top);--warn:#8a5a00;--warn-bg:#fff4d6;--error:#b42318;--error-bg:#fde8e6;--info-bg:#e8f1fb;--appbar:52px;--summary:64px;color:var(--ink);background:var(--paper);font-family:Helvetica Neue,Helvetica,Arial,system-ui,sans-serif;line-height:1.4}@media (prefers-color-scheme:dark){:root{--lightningcss-light: 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input:checked+.check-box:after{content:"✕";font-size:1.05rem;font-weight:700;line-height:1}.check input:focus-visible+.check-box{outline:3px solid var(--accent);outline-offset:2px}.choice{flex-wrap:wrap;gap:0 20px;display:flex}.inline-fields{flex-wrap:wrap;gap:0 16px;display:flex}.inline-fields .field{flex:200px}.inline-fields .field-label{min-width:auto}.group{container-type:inline-size}.groups .group+.group{border-top:1.5px solid var(--line)}.vhead,.vrow{grid-template-columns:minmax(0,1fr) repeat(3,minmax(64px,96px)) 44px;align-items:center;gap:6px;display:grid}.vhead{color:var(--muted);margin-top:8px;font-size:.75rem}.vhead span{text-align:right;padding-right:4px}.vrow{padding:4px 0}.vrow-name{grid-template-columns:minmax(0,1fr) 72px;gap:6px;display:grid}.vrow-name select{padding:8px 4px}.vcell{margin:0}.vcell .field-label{display:none}.vrow-sum output,.vrow-sum .vcell{border:1px solid var(--rule);font-variant-numeric:tabular-nums;justify-content:flex-end;align-items:baseline;gap:4px;min-height:44px;padding:10px;font-size:1.05rem;display:flex}.vrow-sum .strong{border:2.5px solid var(--line);font-weight:700}.vrow-sum small{color:var(--muted);font-size:.75rem}@container (width<=520px){.vhead{display:none}.vrow{border-bottom:1px solid var(--rule);grid-template-columns:repeat(3,minmax(0,1fr)) 44px;padding:8px 0}.vrow-name{grid-column:1/4}.vrow>.icon-btn,.vrow>.vrow-spacer{grid-area:1/4}.vrow .vcell .field-label{min-width:0;color:var(--muted);font-size:.72rem;display:block}.vrow .vcell .field-row{flex-direction:column;align-items:stretch;gap:2px}.vrow-noname .vcell{grid-row:1}.vrow-sum{border-bottom:0}.vrow-sum>.vrow-name{display:none}.vrow-sum>output{grid-row:1}}.icon-btn{width:44px;height:44px;color:var(--muted);cursor:pointer;background:0 0;border:0;font-size:1.5rem}.add-btn{min-height:44px;color:var(--accent);cursor:pointer;background:0 0;border:0;padding:0 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1fr;align-items:center;gap:8px;display:grid}.disc-station{color:var(--muted);grid-column:1/-1;font-size:.82rem}.calc{flex-direction:column;gap:14px;display:flex}.calc-title{text-transform:uppercase;letter-spacing:.06em;margin:4px 0 0;font-size:1.15rem}.tabs{border:1px solid var(--line);display:flex}.tabs button{background:var(--sheet);cursor:pointer;border:0;flex:1;min-height:44px}.tabs button[aria-selected=true]{background:var(--on);color:var(--on-ink);font-weight:700}.calc-settings{flex-direction:column;gap:10px;display:flex}.segmented{border:0;margin:0;padding:0}.segmented-head{justify-content:space-between;align-items:center;display:flex}.segmented legend{float:left;font-size:.85rem;font-weight:600}.segmented-options{border:1px solid var(--line);background:var(--sheet);flex-wrap:wrap;display:flex}.segmented-options label{border-right:1px solid var(--rule);cursor:pointer;white-space:nowrap;flex:auto;place-items:center;min-width:44px;min-height:44px;padding:0 8px;font-size:.95rem;display:grid}.segmented-options label:last-child{border-right:0}.segmented-options label.on{background:var(--on);color:var(--on-ink);font-weight:700}.segmented-options input{opacity:0;width:1px;height:1px;position:absolute}.segmented-options label:has(input:focus-visible){outline:3px solid var(--accent);outline-offset:-3px}.calc-empty{border:1px dashed var(--line);background:var(--sheet);padding:14px}.keys{grid-template-columns:1fr 1fr;gap:8px;display:grid}.key{border:2.5px solid var(--line);background:var(--sheet);flex-direction:column;padding:10px 12px;display:flex}.key-label{color:var(--muted);font-size:.8rem}.key-value{font-variant-numeric:tabular-nums;font-size:2.2rem;font-weight:700;line-height:1.1}.key-value small{font-size:.9rem;font-weight:400}.key-sub{color:var(--muted);font-size:.78rem}.key-warn{border-color:var(--warn);background:var(--warn-bg)}.calc-section{border:1px solid var(--rule);background:var(--sheet);padding:10px 12px}.calc-section 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22px;place-items:center;font-size:.8rem;font-weight:700;display:grid}.msg-ref{color:var(--muted);font-size:.78rem;display:block}.steps{margin:0;padding:0;list-style:none}.steps li{border-bottom:1px solid var(--rule);padding:6px 0}.steps li:last-child{border-bottom:0}.step-line{justify-content:space-between;gap:8px;font-weight:600;display:flex}.step-result{font-variant-numeric:tabular-nums;white-space:nowrap}.step-expr{font-variant-numeric:tabular-nums;overflow-wrap:anywhere;font-size:.85rem}.step-ref{color:var(--muted);font-size:.75rem}.factors{margin:0;padding:0;list-style:none}.factors li{font-variant-numeric:tabular-nums;justify-content:space-between;padding:4px 0;display:flex}.factors li.limiting{font-weight:700}.factors li.limiting span:first-child:before{content:"▸ "}.overview{border-collapse:collapse;font-variant-numeric:tabular-nums;width:100%}.overview th,.overview td{border-bottom:1px solid var(--rule);text-align:left;padding:6px 8px}.overview thead th{color:var(--muted);font-size:.78rem;font-weight:400}.overview tr.selected{background:var(--info-bg);font-weight:700}.overview small{color:var(--muted);font-weight:400}.footer{width:100%;max-width:860px;color:var(--muted);text-align:center;font-size:.8rem}.footer p{margin:4px 0}.segmented-tables .segmented-options{grid-template-columns:repeat(9,minmax(0,1fr));display:grid}.segmented-tables .segmented-options label{min-width:0;padding:0}.vrow-loco .vrow-name{grid-template-columns:minmax(0,1fr) 56px}.vrow-name select{font-weight:600}.category{border:1.5px solid var(--line);font-variant-numeric:tabular-nums;place-items:center;min-height:44px;font-weight:700;display:grid}.category-g{background:var(--brand-yellow);color:var(--brand-blue);border-color:var(--brand-blue)}.vrow-label{align-items:center;min-height:44px;font-size:.95rem;display:flex}.vrow:not(.vrow-loco) .vrow-name{grid-template-columns:1fr}input[readonly]{border-color:var(--rule);background:0 0;border-bottom-style:dotted}.g-note{text-align:right;margin:0 0 4px}.appbar-actions{align-items:center;gap:8px;display:flex}.status-chip{background:var(--brand-yellow);color:var(--brand-blue);border-radius:999px;padding:4px 10px;font-size:.85rem;font-weight:700}.update-btn{background:var(--brand-yellow);color:var(--brand-blue);font-weight:700}