:root{--blue:#073b78;--blue2:#0b5bb5;--yellow:#ffd21f;--ink:#142033;--muted:#66758a;--line:#dbe3ee;--bg:#f3f7fb;--white:#fff;--ok:#08775c;--shadow:0 18px 50px rgba(7,59,120,.12)}
    *{box-sizing:border-box} body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.45 Inter,Arial,sans-serif}
    button,input,select{font:inherit} header{background:var(--blue);color:#fff;padding:18px clamp(18px,4vw,58px);display:flex;align-items:center;justify-content:space-between;gap:20px}
    .brand{display:flex;align-items:center;gap:12px;font-size:1.55rem;font-weight:850;letter-spacing:-.04em}.mark{width:42px;height:42px;border-radius:13px;background:var(--yellow);display:grid;place-items:center;color:var(--blue);font-size:22px}.brand em{color:var(--yellow);font-style:normal}.step{font-size:.9rem;color:#dceaff}
    main{max-width:1240px;margin:0 auto;padding:32px 22px 60px}.intro{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:24px}.intro h1{font-size:clamp(1.8rem,4vw,3.1rem);letter-spacing:-.055em;line-height:1.02;margin:0 0 10px}.intro p{margin:0;color:var(--muted);max-width:720px}.badge{white-space:nowrap;background:#e5f0ff;color:var(--blue);padding:9px 13px;border-radius:999px;font-weight:750;font-size:.86rem}
    .workspace{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(320px,.8fr);gap:22px;align-items:start}.panel{background:var(--white);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}.form{padding:26px}.section{padding:0 0 24px;margin-bottom:24px;border-bottom:1px solid var(--line)}.section:last-child{border:0;margin:0;padding:0}.section h2{font-size:1.05rem;margin:0 0 17px;display:flex;align-items:center;gap:9px}.num{width:28px;height:28px;border-radius:9px;background:var(--blue);color:#fff;display:grid;place-items:center;font-size:.8rem}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.wide{grid-column:1/-1}label{display:block;font-weight:720;font-size:.86rem;margin-bottom:6px;color:#314158}input,select{width:100%;border:1px solid #c8d3e1;border-radius:11px;padding:12px 13px;background:#fff;color:var(--ink);outline:none}input:focus,select:focus{border-color:var(--blue2);box-shadow:0 0 0 3px rgba(11,91,181,.12)}.hint{font-size:.78rem;color:var(--muted);margin-top:5px}.check{display:flex;align-items:center;gap:9px;border:1px solid var(--line);padding:11px 12px;border-radius:11px}.check input{width:auto}.check label{margin:0;font-weight:650}.checks{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
    .result{position:sticky;top:20px;overflow:hidden}.result-head{background:linear-gradient(135deg,var(--blue),#0b5daf);color:#fff;padding:25px}.result-head small{color:#dceaff}.money{font-size:clamp(2.5rem,5vw,4rem);font-weight:880;letter-spacing:-.06em;line-height:1;margin:9px 0}.money span{font-size:1rem;letter-spacing:0;font-weight:650}.annual{font-weight:700}.result-body{padding:22px}.row{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--line)}.row span{color:var(--muted)}.row strong{text-align:right}.range{margin:18px 0;background:#eef5ff;padding:15px;border-radius:13px}.range b{display:block;color:var(--blue);font-size:1.1rem;margin-top:3px}.notice{font-size:.78rem;color:var(--muted);padding-top:15px}.status{display:inline-flex;align-items:center;gap:7px;color:var(--ok);font-size:.82rem;font-weight:750;margin-bottom:11px}.dot{width:8px;height:8px;background:var(--ok);border-radius:50%}
    .footer-note{margin-top:22px;padding:18px 21px;border-left:4px solid var(--yellow);background:#fff;border-radius:0 13px 13px 0;color:#45546a;font-size:.9rem}
    @media(max-width:850px){.workspace{grid-template-columns:1fr}.result{position:static}.intro{align-items:start;flex-direction:column}.badge{white-space:normal}.step{display:none}}@media(max-width:560px){main{padding:24px 14px 40px}.form{padding:19px}.grid,.checks{grid-template-columns:1fr}.wide{grid-column:auto}.brand{font-size:1.3rem}}
  button{cursor:pointer;border:1px solid #bed0e4;border-radius:10px;background:#edf4fd;color:#073b78;padding:11px 16px;font-weight:700;margin:12px 0}button.primary{background:var(--blue);color:white;border-color:var(--blue)}button:disabled{opacity:.5;cursor:not-allowed}a{color:#095caf}details{margin-top:16px}summary{font-weight:700;cursor:pointer;font-size:.93rem}details p{font-size:.88rem}.hint,.notice{font-size:.875rem}.callout{padding:14px;background:#edf4fd;border-radius:10px;font-size:.9rem;margin:10px 0}.check{margin-top:13px}#loadStatus,#searchStatus{font-size:.9rem}#candidates{display:grid;gap:8px}#candidates button{margin:0;text-align:left}#candidates small{display:block;font-weight:400;font-size:.85rem;margin-top:5px}table{width:100%;border-collapse:collapse;margin:16px 0;font-size:.9rem}th,td{padding:9px 7px;border-bottom:1px solid var(--line);text-align:left}tr.selected{background:#fff5c6}#zoneInfo{white-space:pre-line}#zone{margin-top:5px}input,select{min-height:46px}button:focus-visible,summary:focus-visible,a:focus-visible{outline:3px solid #0b5bb5;outline-offset:3px}[hidden]{display:none!important}.result .status{color:var(--muted)}.money{overflow-wrap:anywhere}.workspace{grid-template-columns:minmax(0,1.55fr) minmax(330px,.8fr)}@media(max-width:850px){.workspace{grid-template-columns:1fr}}@media print{header,form,details,button{display:none}.workspace{display:block}.result{position:static;box-shadow:none;margin-top:20px}body{background:white}}

fieldset{border:0;padding:0;margin:18px 0}legend{font-weight:750;color:var(--blue);margin-bottom:10px}.checks .check{margin-top:0;align-items:flex-start}.check input[type=checkbox]{min-height:20px;width:20px;flex-shrink:0;margin-top:2px;accent-color:var(--blue)}.check label{font-size:14px}.money{font-size:clamp(1.8rem,3.5vw,2.8rem);line-height:1.2}#surfaceDetail{overflow-x:auto}#classification{font-weight:650}select:disabled{opacity:1;background:#f3f7fb;color:var(--ink)}

#calculationSheet h3{font-size:1rem;margin-top:24px}#calculationSheet table{font-size:.85rem}#calculationSheet td:last-child{text-align:right}#calculationSheet tr:last-child{font-weight:800;background:#fff5c6}

.surface-inputs{display:grid;gap:12px}.surface-entry{border:1px solid var(--line);border-radius:12px;padding:14px}.surface-entry>label{font-size:1rem;color:var(--blue);margin-bottom:10px}.surface-columns{display:grid;grid-template-columns:minmax(100px,1.1fr) minmax(80px,.8fr) minmax(90px,.9fr);gap:12px;align-items:center}.surface-column-label{display:block;font-size:.875rem;color:var(--muted);margin-bottom:5px}.surface-columns output{font-weight:750;display:block;padding:10px 0;overflow-wrap:anywhere}.surface-note:empty{display:none}#surfaceDetail{font-weight:750} @media(max-width:420px){.surface-columns{grid-template-columns:1fr 1fr}.surface-columns>div:first-child{grid-column:1/-1}}

.input-error{color:#a21919;font-size:.875rem;margin:8px 0}.input-error:empty{display:none}input[aria-invalid=true]{border-color:#b52727;background:#fff8f8}

/* Parametri in ordine verticale, come la scheda. */
#parameters{display:grid;grid-template-columns:1fr;}#essentials{align-items:start;}#manualZonePanel{padding:14px;border:1px solid #b8c6d8;border-radius:8px;margin-bottom:16px;}#manualZonePanel summary{cursor:pointer;font-weight:600;}#normalHome{margin:12px 0;}

#openManualZone{display:block;margin:0 0 16px;padding:12px 18px;font-weight:700;}#parameters{display:flex;flex-direction:column;}#parameters .check{width:100%;}