/* ============================================================
   Aegis · shell condivisa pagine-strumento (/strumenti/*)
   Token allineati al design system Aegis. Vedi strumenti/README.md
   ============================================================ */
:root{
  --bg:#eff1f5; --card:#fff; --border:#bcc0cc; --text:#4c4f69; --muted:#6c6f85;
  --primary:#0084d1; --primary-h:#0073b8;
  --ok-bg:#dcfce7; --ok-fg:#166534;
  --warn-bg:#fef9c3; --warn-fg:#854d0e;
  --err-bg:#fee2e2; --err-fg:#991b1b;
  --r:12px; --r-sm:6px;
  --f:'Montserrat',system-ui,-apple-system,sans-serif;
  --mono:'Fira Code',ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--f);color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
button{cursor:pointer;font-family:var(--f)}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:2px}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums}
.wrap{max-width:720px;margin:0 auto;padding:0 16px}

/* ── header ── */
.hd{background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}
.hd-in{display:flex;align-items:center;justify-content:space-between;height:60px;max-width:720px;margin:0 auto;padding:0 16px}
.brand{font-size:20px;font-weight:700;letter-spacing:-.02em;color:var(--text)}
.brand:hover{text-decoration:none}

/* ── buttons ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border-radius:var(--r-sm);font-weight:600;font-size:14px;border:1.5px solid transparent;transition:background .15s,border-color .15s;line-height:1}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-h);text-decoration:none}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--border)}
.btn-outline:hover{border-color:var(--primary);text-decoration:none}
.btn-lg{padding:13px 22px;font-size:15px}
.btn-sm{padding:8px 14px;font-size:13px}

/* ── layout ── */
main{padding:28px 0 48px}
.intro{margin-bottom:24px}
h1{font-size:26px;font-weight:700;letter-spacing:-.02em;line-height:1.25;margin-bottom:10px}
.intro p{color:var(--muted);font-size:15px}
.section{margin-top:40px}
.section > h2{font-size:20px;font-weight:700;letter-spacing:-.02em;margin-bottom:14px}
.section p.lead{color:var(--muted);font-size:14.5px;margin-bottom:18px}

.card{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:20px;margin-bottom:16px}
.card > h2{font-size:13px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);margin-bottom:16px}

/* ── form ── */
.grid{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:560px){.grid-2{grid-template-columns:1fr 1fr}}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:13px;font-weight:600;color:var(--text)}
.field .hint{font-size:12px;color:var(--muted);font-weight:400}
input,select{font-family:var(--f);font-size:15px;color:var(--text);background:#fff;border:1.5px solid var(--border);border-radius:var(--r-sm);padding:11px 12px;width:100%;transition:border-color .15s}
input[type=number]{font-family:var(--mono)}
input:focus,select:focus{border-color:var(--primary);outline:none}
input:focus-visible,select:focus-visible{outline:none}
.field.invalid input{border-color:var(--err-fg)}
.field-err{font-size:12px;color:var(--err-fg);font-weight:500;min-height:0}
.check{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;line-height:1.4;color:var(--text);cursor:pointer}
.check input{width:auto;flex:0 0 auto;margin-top:2px;accent-color:var(--primary)}
/* opzioni avanzate (sempre visibili) */
.adv{margin-top:16px;border:1px solid var(--border);border-radius:var(--r-sm);background:#fff}
.adv-head{font-size:13px;font-weight:600;color:var(--text);padding:12px 14px;border-bottom:1px solid var(--border)}
.adv-body{padding:14px;display:grid;gap:14px}
@media(min-width:560px){.adv-body.cols{grid-template-columns:1fr 1fr}}
/* selettore segmentato (regime / direzione) */
.seg-label{font-size:13px;font-weight:600;color:var(--text)}
.seg{display:flex;flex-wrap:wrap;gap:8px}
.seg button{flex:1 1 auto;padding:11px 12px;font-size:13.5px;font-weight:600;color:var(--muted);background:#fff;border:1.5px solid var(--border);border-radius:var(--r-sm);transition:all .15s;text-align:center}
.seg button:hover{border-color:var(--primary)}
.seg button[aria-pressed="true"]{background:var(--primary);color:#fff;border-color:var(--primary)}

/* ── note / avvisi ── */
.note{border-radius:var(--r-sm);padding:12px 14px;font-size:13.5px;line-height:1.55;display:flex;gap:10px;align-items:flex-start}
.note::before{content:"";flex:0 0 4px;align-self:stretch;border-radius:2px}
.note.warn{background:var(--warn-bg);color:var(--warn-fg)}
.note.warn::before{background:var(--warn-fg)}
.note.err{background:var(--err-bg);color:var(--err-fg)}
.note.err::before{background:var(--err-fg)}
.note.info{background:var(--bg);color:var(--muted)}
.note.info::before{background:var(--border)}
.note b{font-weight:600}
.note-inps{margin-top:16px}

/* ── risultato ── */
[hidden]{display:none!important}
.res-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:18px}
.res-cell{border:1px solid var(--border);border-radius:var(--r-sm);padding:12px 14px;background:#fff}
.res-cell .k{font-size:11.5px;font-weight:600;letter-spacing:.03em;text-transform:uppercase;color:var(--muted);margin-bottom:4px}
.res-cell .v{font-family:var(--mono);font-size:18px;font-weight:600;color:var(--text)}
.res-cell .sub{font-size:12px;color:var(--muted);font-weight:400;margin-top:2px;font-family:var(--f)}
.res-cell.total{grid-column:1 / -1;background:#f0f9ff;border-color:var(--primary)}
.res-cell.total .v{font-size:26px;color:var(--primary)}

.detail{background:var(--bg);border-radius:var(--r-sm);padding:14px;font-size:13.5px;line-height:1.7;margin-bottom:18px}
.detail .row{display:flex;flex-wrap:wrap;gap:6px;align-items:baseline}
.detail .row + .row{margin-top:8px}
.detail .lbl{font-weight:600;min-width:78px}
.detail .calc{font-family:var(--mono);font-size:13px;color:var(--text)}

/* ── tabelle (F24 + info) ── */
.f24-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.f24-head h3{font-size:14px;font-weight:700;color:var(--text)}
.f24-actions{display:flex;gap:8px;align-items:center}
table.tbl{width:100%;border-collapse:collapse;font-size:14px}
table.tbl th,table.tbl td{padding:10px 8px;text-align:left;border-bottom:1px solid var(--border);vertical-align:top}
table.tbl th{font-size:11.5px;font-weight:600;letter-spacing:.03em;text-transform:uppercase;color:var(--muted)}
table.tbl td.code,table.tbl td.amt{font-family:var(--mono);font-variant-numeric:tabular-nums}
table.tbl td.amt,table.tbl th.amt{text-align:right}
table.tbl tr.tot td{font-weight:600;border-bottom:none;border-top:2px solid var(--border);padding-top:12px}
.copied{font-size:12.5px;color:var(--ok-fg);font-weight:600}

/* ── CTA contestuale nel risultato ── */
.res-cta{border:1px solid var(--primary);background:#f0f9ff;border-radius:var(--r-sm);padding:16px;margin-top:18px;display:flex;flex-direction:column;gap:12px}
.res-cta p{font-size:14px;line-height:1.5}
.res-cta .reassure{font-size:12.5px;color:var(--muted);margin:0}

/* ── CTA finale ── */
.cta{background:#f0f9ff;border:1px solid var(--primary);border-radius:var(--r);padding:20px;margin-top:40px;text-align:center}
.cta p{font-size:15px;line-height:1.55;color:var(--text);margin-bottom:14px}
.cta b{font-weight:600}
.cta .reassure{font-size:12.5px;color:var(--muted);margin-top:10px}

/* ── FAQ ── */
.faq details{border:1px solid var(--border);border-radius:var(--r-sm);background:#fff;margin-bottom:10px}
.faq summary{font-weight:600;font-size:14.5px;padding:14px 16px;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--muted);font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq details[open] summary{border-bottom:1px solid var(--border)}
.faq .answer{padding:14px 16px;font-size:14px;line-height:1.6;color:var(--text)}

/* ── hub ── */
.tool-list{display:grid;grid-template-columns:1fr;gap:14px}
@media(min-width:560px){.tool-list{grid-template-columns:1fr 1fr}}
.tool-card{display:block;border:1px solid var(--border);border-radius:var(--r);background:#fff;padding:18px;transition:border-color .15s,box-shadow .15s}
.tool-card:hover{border-color:var(--primary);box-shadow:0 4px 12px rgba(45,45,83,.08);text-decoration:none}
.tool-card h3{font-size:16px;font-weight:700;color:var(--text);margin-bottom:6px}
.tool-card p{font-size:13.5px;color:var(--muted);line-height:1.5}
.tool-card .go{display:inline-block;margin-top:10px;font-size:13px;font-weight:600;color:var(--primary)}

/* ── footer ── */
footer{border-top:1px solid var(--border);padding:24px 0 32px;font-size:13px;color:var(--muted)}
footer .wrap{display:flex;flex-direction:column;gap:8px}
footer .frow{display:flex;gap:16px;flex-wrap:wrap;align-items:center}
footer .disc{font-size:12px;line-height:1.5}

@media print{
  .hd,.cta,.res-cta,footer,.f24-actions,.intro p,.note-inps,form,.section{display:none!important}
  body{background:#fff}
  .card{border:none;padding:0;margin:0 0 16px}
  main{padding:0}
}