.calc{--paper:#070a1f;--paper-raised:#0d1130;--surface-input:#111637;--surface-deep:#0a0e2a;--heading:#ffffff;--ink:#e6e9f5;--ink-soft:#b9c0d9;--muted:#8b93b2;--line:#1f2550;--line-strong:#2d3567;--green:#10d078;--green-deep:#0cb567;--green-ink:#04170d;--amber:#ffb627;--amber-deep:#f0a10c;--amber-hover:#ffc54d;--amber-wash:rgb(255 182 39/0.1);--ok-bg:rgb(16 208 120/0.07);--warn-bg:rgb(255 182 39/0.09);--warn-border:#f0a10c;--error-bg:rgb(255 92 77/0.1);--error-border:#ff5c4d;--radius:16px;--radius-sm:10px;--shadow:0 1px 2px rgb(0 0 0/0.25),0 8px 28px rgb(0 0 0/0.25);--shadow-lift:0 2px 4px rgb(0 0 0/0.3),0 18px 48px rgb(0 0 0/0.4);--font-body:var(--font-inter);--font-mono:var(--font-jetbrains)}.calc *{box-sizing:border-box}.calc{scroll-behavior:smooth;margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-body),system-ui,sans-serif;font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}.calc .container{max-width:1020px;margin:0 auto;padding:40px 20px 56px}.calc h1,.calc h2,.calc h3{font-family:var(--font-display),Georgia,serif;font-weight:600;line-height:1.2;letter-spacing:-.01em;color:var(--heading)}.calc h1{font-size:clamp(1.9rem,5.5vw,2.7rem);margin:.2em 0 .45em}.calc h1 em{font-style:italic;color:var(--green)}.calc h2{font-size:clamp(1.25rem,3.4vw,1.55rem);margin:2em 0 .6em}.calc p{margin:.7em 0}.calc a{color:var(--green)}.calc a:not(.btn-primary):not(.btn-secondary):not(.btn-cta):not(.card-link){text-decoration:underline;text-decoration-color:color-mix(in srgb,var(--green) 35%,transparent);text-underline-offset:3px}.calc a:hover{text-decoration-color:var(--green)}.calc .mono{font-family:var(--font-mono),ui-monospace,monospace;font-variant-numeric:tabular-nums;font-size:.94em}.calc .muted{color:var(--muted)}.calc .lead{font-size:1.08rem;color:var(--ink-soft);max-width:760px}.calc .hero{position:relative}.calc .hero:before{content:"";position:absolute;inset:-40px -50vw 0;background-image:linear-gradient(var(--line) 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var(--green);border-radius:var(--radius-sm);padding:9px 18px;font-size:.9rem;font-weight:600;cursor:pointer;text-decoration:none;display:inline-block}.calc .btn-secondary:hover{background:var(--ok-bg)}.calc .configurator form{background:var(--paper-raised);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;margin:26px 0}.calc .form-grid{display:grid;grid-template-columns:140px 1fr 1fr;gap:14px}@media (max-width:720px){.calc .form-grid{grid-template-columns:1fr 1fr}}@media (max-width:460px){.calc .form-grid{grid-template-columns:1fr}}.calc .grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}@media (max-width:520px){.calc .grid-2{grid-template-columns:1fr}}.calc .field-hint{font-size:.76rem;font-weight:500;color:var(--muted);min-height:1em}.calc .configurator label,.calc .picker label{display:flex;flex-direction:column;font-size:.85rem;font-weight:600;gap:5px;color:var(--ink-soft)}.calc .configurator input,.calc 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.extracting-note{font-size:.88rem;color:var(--muted);background:var(--amber-wash);border-left:4px solid var(--amber);padding:10px 14px;margin-top:12px}.calc .picker{border:1px solid var(--line);border-radius:var(--radius-sm);padding:12px 16px 16px;margin:0 0 14px;background:var(--surface-input)}.calc .picker legend{font-family:var(--font-display),Georgia,serif;font-weight:600;font-size:1rem;padding:0 8px;color:var(--heading)}.calc .picker-grid{display:grid;grid-template-columns:1fr 140px 1.5fr;gap:12px}@media (max-width:720px){.calc .picker-grid{grid-template-columns:1fr}}.calc .picker-manual{grid-column:span 2}@media (max-width:720px){.calc .picker-manual{grid-column:auto}}.calc .field{display:flex;flex-direction:column;gap:5px;font-size:.85rem;font-weight:600;color:var(--ink-soft)}.calc .msel{width:100%}.calc .msel-trigger{width:100%;display:flex;align-items:center;justify-content:space-between;gap:8px;font-family:inherit;font-size:1rem;font-weight:500;text-align:left;padding:11px 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