:root{--navy:#0f2a4a;--em:#047857;--amb:#d97706;--bg:#f8fafc;--tx:#1e293b}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--tx);font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
.wrap{max-width:1100px;margin:0 auto;padding:0 16px}
.top{position:sticky;top:0;z-index:10;background:var(--navy);color:#fff}
.bar{display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:56px;flex-wrap:wrap}
.top nav a{color:#cbd5e1;text-decoration:none;margin-left:14px;font-size:.95rem}
.top nav a:hover{color:#fff}
.tabs{display:flex;gap:6px;margin:18px 0;overflow-x:auto}
.tabs button{border:0;background:#e2e8f0;color:var(--navy);padding:10px 16px;border-radius:10px;font:inherit;font-weight:600;cursor:pointer;white-space:nowrap}
.tabs button.on{background:var(--navy);color:#fff}
.tab{display:none}.tab.on{display:block}
.card{background:#fff;border-radius:16px;box-shadow:0 2px 14px rgba(15,42,74,.08);padding:20px;margin-bottom:16px}
h2{color:var(--navy);margin:.2em 0 .6em;font-size:1.3rem}h3{color:var(--navy);margin:0 0 .6em;font-size:1.05rem}
.grid{display:grid;grid-template-columns:minmax(0,380px) minmax(0,1fr);gap:16px;align-items:start}
label{display:block;font-weight:600;font-size:.9rem;margin-bottom:12px}
input,select{display:block;width:100%;margin-top:4px;padding:10px;border:1px solid #cbd5e1;border-radius:8px;font:inherit;background:#fff}
input:focus,select:focus,button:focus-visible{outline:3px solid #6ee7b7;outline-offset:1px}
.chk{display:flex;gap:8px;align-items:center}.chk input{width:auto;margin:0}
small{display:block;color:#64748b;font-size:.8rem;margin:-6px 0 12px}
.hero{background:var(--em);color:#fff}
.hero span{font-size:.95rem;opacity:.9}.hero b{display:block;font-size:2.6rem;line-height:1.15;margin:4px 0}
.hero small{color:#d1fae5;margin:0}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin-bottom:16px}
.kpi{background:#fff;border-radius:16px;box-shadow:0 2px 14px rgba(15,42,74,.08);padding:14px 16px;border-left:4px solid var(--navy)}
.kpi.a{border-color:var(--amb)}
.kpi span{display:block;color:#64748b;font-size:.82rem}.kpi b{font-size:1.25rem;color:var(--navy)}.kpi small{margin:2px 0 0}
.donut{display:flex;gap:20px;align-items:center;flex-wrap:wrap}.donut svg{width:150px;height:150px}
.leg div{font-size:.9rem}.leg i{display:inline-block;width:12px;height:12px;border-radius:3px;margin-right:6px}
.steps{padding-left:20px;margin:0}.steps li{padding:5px 0;border-bottom:1px dashed #e2e8f0}
.btn{background:var(--em);color:#fff;border:0;padding:12px 22px;border-radius:10px;font:inherit;font-weight:700;cursor:pointer;margin-top:12px}
.btn:hover{background:#065f46}
.disc{background:#fffbeb;border:1px solid var(--amb);border-radius:12px;padding:12px 16px;font-size:.9rem}
.scroll{overflow-x:auto}
table{width:100%;border-collapse:collapse;min-width:560px}
th,td{padding:9px 10px;text-align:right;border-bottom:1px solid #e2e8f0;font-variant-numeric:tabular-nums}
th:first-child,td:first-child{text-align:left}th{background:var(--navy);color:#fff;font-size:.85rem}
tfoot td{font-weight:700;background:#f1f5f9}
.chart svg,#cmpOut svg{width:100%;height:auto;margin-top:12px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.two>div{background:#f8fafc;border-radius:12px;padding:14px}
.out{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-top:14px}
.prose p{max-width:75ch}
details{border-bottom:1px solid #e2e8f0;padding:10px 0}summary{cursor:pointer;font-weight:600;color:var(--navy)}
.err{color:#b91c1c;font-weight:600}
@media(max-width:820px){.grid{grid-template-columns:1fr}.hero b{font-size:2.1rem}}
@media(max-width:480px){.two{grid-template-columns:1fr}.top nav a{margin:0 10px 0 0}}
@media print{
 @page{size:A4;margin:12mm}
 body{background:#fff;font-size:11px}
 .top,.tabs,.btn,.disc,#scenari,#guida,.chart,small{display:none!important}
 #calc,#tabella{display:block!important}
 .grid{grid-template-columns:1fr 1fr;gap:8px}
 .card,.kpi{box-shadow:none;border:1px solid #cbd5e1;padding:8px;margin-bottom:8px;break-inside:avoid}
 .hero{background:#fff!important;color:#000}.hero b{font-size:1.6rem;color:var(--em)}
 #form label{margin-bottom:4px}input,select{padding:2px;border:0}
 table{min-width:0;font-size:10px}th{background:#e2e8f0!important;color:#000}
 .donut{display:none}
}