/* CalcolaPIVA - design system "Editoriale" (2026-08-29) */

@font-face{
  font-family:'Newsreader';font-style:normal;font-weight:200 800;font-display:swap;
  src:url(/assets/fonts/newsreader.woff2) format('woff2');
}
@font-face{
  font-family:'Newsreader';font-style:italic;font-weight:200 800;font-display:swap;
  src:url(/assets/fonts/newsreader-italic.woff2) format('woff2');
}
@font-face{
  font-family:'Source Sans 3';font-style:normal;font-weight:200 900;font-display:swap;
  src:url(/assets/fonts/source-sans-3.woff2) format('woff2');
}
@font-face{
  font-family:'IBM Plex Mono';font-style:normal;font-weight:500;font-display:swap;
  src:url(/assets/fonts/ibm-plex-mono-500.woff2) format('woff2');
}
@font-face{
  font-family:'IBM Plex Mono';font-style:normal;font-weight:600;font-display:swap;
  src:url(/assets/fonts/ibm-plex-mono-600.woff2) format('woff2');
}

:root{
  --paper:#f6f1e7; --card:#fffdf8; --sheet:#fffefb;
  --ink:#2a2317; --ink-soft:#6f6452; --ink-faint:#8a7f68;
  --line:#e2d8c3; --line-soft:#efe8d7;
  --green:#17604a; --green-dark:#114a39; --green-soft:#e3eee4;
  --amber-bg:#f9edd2; --amber-line:#ddc487; --amber-ink:#6b501a; --amber-strong:#57400f;
  --chip-bg:#efe9da; --backdrop:#ece2cd;
  --serif:'Newsreader',Georgia,'Times New Roman',serif;
  --sans:'Source Sans 3','Segoe UI','Helvetica Neue',Arial,sans-serif;
  --mono:'IBM Plex Mono','SF Mono',Menlo,Consolas,monospace;
  --radius:12px;
}

*{box-sizing:border-box}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:16px;line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--green)}
a:hover{color:var(--green-dark)}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.wrap-wide{max-width:1400px;margin:0 auto;padding:0 24px}
.wrap-narrow{max-width:820px;margin:0 auto;padding:0 24px}

/* ---------- header / footer ---------- */
header.site{background:var(--card);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:baseline;gap:16px;padding-top:20px;padding-bottom:20px;flex-wrap:wrap}
.logo{font-family:var(--serif);font-size:26px;font-weight:600;letter-spacing:-.01em;color:var(--ink);text-decoration:none}
.logo span{color:var(--green)}
.tagline{font-size:14px;color:var(--ink-soft)}
header.site nav{margin-left:auto;display:flex;gap:26px;font-size:14.5px;font-weight:600}
header.site nav a{text-decoration:none}

footer.site{background:var(--card);border-top:1px solid var(--line);margin-top:60px}
footer.site .wrap{display:flex;justify-content:space-between;align-items:baseline;gap:24px;padding-top:26px;padding-bottom:30px;flex-wrap:wrap}
.footer-id{display:flex;flex-direction:column;gap:4px}
.footer-logo{font-family:var(--serif);font-size:19px;font-weight:600}
.footer-logo span{color:var(--green)}
.footer-note{font-size:13.5px;color:var(--ink-faint);max-width:560px}
.footer-links{display:flex;gap:22px;font-size:14px}

/* ---------- typography ---------- */
h1{font-family:var(--serif);font-weight:500;font-size:clamp(30px,3.4vw,46px);line-height:1.14;letter-spacing:-.015em;margin:0}
h2{font-family:var(--serif);font-weight:500;font-size:clamp(23px,2.4vw,30px);letter-spacing:-.01em;line-height:1.2;margin:0}
h3{font-family:var(--serif);font-weight:500;font-size:20px;margin:0}
.kicker{display:flex;align-items:center;gap:12px;flex-wrap:wrap;text-transform:uppercase;letter-spacing:.14em;font-size:12.5px;font-weight:700;color:var(--green)}
.kicker .dot{color:#b3a98f}
p.lead{margin:0;font-size:18.5px;color:var(--ink-soft);max-width:800px}
.section-label{text-transform:uppercase;letter-spacing:.13em;font-size:12.5px;font-weight:700;color:var(--green)}
code{font-family:var(--mono);font-size:.88em;font-weight:500;background:var(--chip-bg);border-radius:5px;padding:1px 6px;white-space:nowrap}

.hero{display:flex;flex-direction:column;gap:18px;padding-top:48px;padding-bottom:36px}
.trust-row{display:flex;gap:14px 32px;flex-wrap:wrap;margin-top:8px}
.trust-row .item{display:flex;align-items:center;gap:9px;font-size:15px;font-weight:600}
.trust-row svg{flex:none}

/* ---------- notices / boxes ---------- */
.notice{border-radius:var(--radius);padding:18px 22px;display:flex;gap:15px;align-items:flex-start;margin:8px 0 0}
.notice svg{flex:none;margin-top:2px}
.notice p{margin:0;font-size:15px}
.notice.warn{background:var(--amber-bg);border:1px solid var(--amber-line)}
.notice.warn p{color:var(--amber-ink)}
.notice.warn strong{color:var(--amber-strong)}
.box{border-radius:var(--radius);padding:16px 20px;margin:18px 0}
.box p{margin:.4em 0;font-size:15px}
.box.info{background:var(--green-soft);border:1px solid #c9ddcb}
.box.warn{background:var(--amber-bg);border:1px solid var(--amber-line)}
.box.warn p{color:var(--amber-ink)}
.result-note{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px 18px;font-size:14px;color:var(--ink-soft);margin:20px 0 0}
.result-note strong{color:var(--ink)}

/* ---------- workspace ---------- */
.workspace{display:grid;grid-template-columns:620px minmax(0,1fr);gap:36px;align-items:start;margin-top:26px}
.form-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:30px;display:flex;flex-direction:column;gap:0}
.form-card>h2{font-size:24px;margin-bottom:6px}
.form-section{display:flex;flex-direction:column;gap:12px;padding:22px 0}
.form-section+.form-section{border-top:1px solid var(--line-soft)}
fieldset.form-section{border:0;margin:0;padding-left:0;padding-right:0;min-width:0}
fieldset.form-section legend{padding:0;margin-bottom:12px}

.field{display:flex;flex-direction:column;gap:6px}
label{font-size:13.5px;font-weight:600;color:var(--ink-soft)}
input[type=text],input[type=date],input[type=number],textarea{
  width:100%;padding:10px 14px;border:1px solid #d8cdb4;border-radius:8px;
  font:inherit;font-size:15.5px;background:var(--sheet);color:var(--ink);
}
input[type=text],input[type=date],input[type=number]{height:44px}
textarea{resize:vertical}
select{width:100%;height:44px;padding:0 12px;border:1px solid #d8cdb4;border-radius:8px;font:inherit;font-size:15px;background:var(--sheet);color:var(--ink)}
input:focus,textarea:focus,select:focus{outline:2px solid var(--green);outline-offset:1px;border-color:var(--green)}
input::placeholder,textarea::placeholder{color:#a89b83}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.hint{font-size:13px;color:var(--ink-faint);margin:0}

/* line items table (structure required by the script) */
table.righe{width:100%;border-collapse:separate;border-spacing:0 8px;margin:0}
table.righe th{font-size:12.5px;font-weight:600;color:var(--ink-faint);text-align:left;padding:0 4px}
table.righe td{padding:0 4px 0 0;vertical-align:middle}
table.righe td:nth-child(2){width:88px}
table.righe td:nth-child(3){width:134px}
table.righe td:nth-child(2) input,table.righe td:nth-child(3) input{text-align:right}
table.righe td:last-child{width:48px;padding-right:0}
button.del{width:44px;height:44px;border:1px solid var(--line);border-radius:8px;background:transparent;color:#a05540;font-size:18px;cursor:pointer;padding:0}

/* options as switches (real checkboxes underneath) */
.opzioni label{display:flex;gap:14px;align-items:flex-start;font-size:15px;font-weight:400;color:var(--ink);margin:0}
.opzioni label+label{margin-top:16px}
.opzioni .opt-text{display:flex;flex-direction:column;gap:3px}
.opzioni .opt-text strong{font-size:15px}
.opzioni .opt-text .opt-hint{font-size:13.5px;color:var(--ink-faint)}
.opzioni input[type=checkbox]{
  appearance:none;-webkit-appearance:none;flex:none;margin:2px 0 0;
  width:42px;height:24px;border-radius:999px;background:#d8cdb4;border:0;
  position:relative;cursor:pointer;transition:background .15s ease;
}
.opzioni input[type=checkbox]::after{
  content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;
  border-radius:999px;background:var(--card);transition:left .15s ease;
}
.opzioni input[type=checkbox]:checked{background:var(--green)}
.opzioni input[type=checkbox]:checked::after{left:21px}
.opzioni input[type=checkbox]:focus-visible{outline:2px solid var(--green);outline-offset:2px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:10px;height:48px;padding:0 26px;font:inherit;font-size:16px;font-weight:700;cursor:pointer}
.btn.primary{background:var(--green);color:var(--card)}
.btn.primary:hover{background:var(--green-dark)}
.btn.ghost{background:transparent;color:var(--ink-soft);border:1.5px solid #d8cdb4;font-weight:600;font-size:15px}
.btn.ghost:hover{border-color:var(--ink-faint)}
.btn.small{height:40px;padding:0 16px;font-size:14px;border:1.5px solid var(--green);color:var(--green);background:transparent;border-radius:8px}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin:0 0 12px}

/* ---------- live preview ---------- */
.preview-col{display:flex;flex-direction:column;gap:12px;position:sticky;top:20px}
.preview-head{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:0 6px;flex-wrap:wrap}
.preview-head h2{font-family:var(--sans);font-size:12.5px;font-weight:700;text-transform:uppercase;letter-spacing:.13em;color:var(--ink-soft)}
.preview-live{display:flex;align-items:center;gap:7px;font-size:13px;font-weight:600;color:var(--green)}
.preview-live .pulse{width:8px;height:8px;border-radius:999px;background:var(--green)}
.preview-backdrop{background:var(--backdrop);border-radius:16px;padding:clamp(14px,2.5vw,34px)}

#anteprima{
  background:var(--sheet);border-radius:3px;padding:clamp(22px,3.5vw,48px);
  box-shadow:0 22px 44px rgba(74,58,26,.18),0 2px 8px rgba(74,58,26,.10);
  max-width:660px;margin:0 auto;
}
#anteprima .fat-testa{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
#anteprima h4{margin:0 0 3px;font-family:var(--serif);font-size:19px;font-weight:600}
#anteprima .spett{font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-faint);font-weight:600;margin:0 0 3px}
#anteprima .blocco{font-size:13.5px;color:#56503f;white-space:pre-line}
#anteprima .fat-titolo{font-family:var(--serif);font-size:21px;font-weight:600;border-top:2px solid var(--ink);margin-top:18px;padding-top:16px}
#anteprima table.fat{width:100%;border-collapse:collapse;margin:14px 0;font-size:13.5px;font-variant-numeric:tabular-nums}
#anteprima table.fat th{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-faint);font-weight:600;text-align:left;border-bottom:1.5px solid var(--ink);padding:6px 4px}
#anteprima table.fat td{border-bottom:1px solid #e8e0cd;padding:9px 4px}
#anteprima table.fat .num,#anteprima table.fat th.num{text-align:right;white-space:nowrap}
#anteprima .totali{margin-left:auto;max-width:310px;font-size:14px;font-variant-numeric:tabular-nums}
#anteprima .totali div{display:flex;justify-content:space-between;gap:18px;padding:3px 0}
#anteprima .totali div span:first-child{color:#56503f}
#anteprima .totali .tot{border-top:2px solid var(--ink);font-weight:700;font-size:16px;margin-top:4px;padding-top:8px}
#anteprima .totali .tot span:first-child{color:var(--ink)}
#anteprima .diciture{border-top:1px solid #e8e0cd;margin-top:16px;padding-top:12px;font-size:12px;color:#56503f}
#anteprima .diciture p{margin:.45em 0}
#anteprima .cortesia{margin-top:14px;font-size:11px;font-style:italic;color:var(--ink-faint)}

/* ---------- mode tabs / radio rows (calculators) ---------- */
[hidden]{display:none !important}
.mode-tabs{display:flex;flex-wrap:wrap;gap:8px}
.mode-tab{position:relative;margin:0}
.mode-tab input{position:absolute;opacity:0;pointer-events:none}
.mode-tab span{display:inline-flex;align-items:center;height:40px;padding:0 16px;border:1.5px solid #d8cdb4;border-radius:999px;font-size:14.5px;font-weight:600;color:var(--ink-soft);cursor:pointer;background:var(--sheet)}
.mode-tab input:checked+span{background:var(--green);border-color:var(--green);color:var(--card)}
.mode-tab input:focus-visible+span{outline:2px solid var(--green);outline-offset:2px}
.radio-rows{display:flex;flex-direction:column;gap:10px}
.radio-row{display:flex;gap:10px;align-items:flex-start;font-size:15px;font-weight:400;color:var(--ink);margin:0;cursor:pointer;line-height:1.45}
.radio-row input{margin:3px 0 0;accent-color:var(--green);width:16px;height:16px;flex:none}

/* ---------- reference tables / chips ---------- */
.chip{display:inline-flex;padding:5px 12px;border-radius:999px;background:var(--chip-bg);color:var(--ink-soft);font-size:12.5px;font-weight:700;white-space:nowrap}
.chip.green{background:var(--green-soft);color:var(--green)}
.chip.amber{background:#f7ead0;color:#8a651c}

section.blocco-testo{margin-top:56px;display:flex;flex-direction:column;gap:16px}
section.blocco-testo>p{margin:0;font-size:16px;max-width:820px}
section.blocco-testo>p.intro{font-size:16.5px;color:var(--ink-soft)}

.tab-scroll{overflow-x:auto}
table.tab-ref{width:100%;min-width:720px;border-collapse:collapse;background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;font-size:14.5px}
table.tab-ref th{background:var(--card);text-align:left;font-size:12.5px;text-transform:uppercase;letter-spacing:.09em;color:var(--ink-faint);font-weight:700;padding:14px 20px;border-bottom:1px solid var(--line)}
table.tab-ref td{padding:16px 20px;border-bottom:1px solid var(--line-soft);vertical-align:top}
table.tab-ref tr:last-child td{border-bottom:0}
table.tab-ref td:first-child{font-family:var(--serif);font-style:italic;font-size:16px;line-height:1.45}
table.tab-ref td .fonte{font-style:normal;font-family:var(--sans)}
table.tab-ref.codici td:first-child{font-style:normal;font-family:var(--sans)}
table.tab-ref .stato-note{margin:.55em 0 0;font-size:13.5px;color:var(--ink-soft);font-family:var(--sans);font-style:normal}

details{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 20px;margin:22px 0 0}
details p{font-size:15px;color:var(--ink-soft)}
summary{cursor:pointer;font-weight:700;font-size:15px}

/* ---------- comparison page ---------- */
.filtri{display:flex;gap:18px 36px;flex-wrap:wrap;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 20px}
.filtri-gruppo{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.filtri-label{font-size:12.5px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-faint)}
.filtri select{width:auto;height:40px;font-size:14.5px}
table.confronto-tab{min-width:1150px}
table.confronto-tab td{font-size:14px}
table.confronto-tab td:first-child{min-width:250px}
table.confronto-tab .chip{font-size:11.5px}

/* ---------- fonti band ---------- */
.fonti-band{background:#efe7d6;border-top:1px solid var(--line);margin-top:60px}
.fonti-band .wrap{display:flex;flex-direction:column;gap:16px;padding-top:40px;padding-bottom:44px}
.fonti-head{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.stamp{display:inline-flex;align-items:center;gap:7px;padding:6px 14px;border-radius:999px;background:var(--green-soft);color:var(--green);font-size:13px;font-weight:700}
ul.fonti{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 36px}
ul.fonti li{font-size:14px;color:#56503f}
.fonti-band h3{font-family:var(--sans);font-size:14px;font-weight:700;margin-top:6px}
ul.changelog{margin:0;padding:0;list-style:none}
ul.changelog li{font-size:13.5px;color:var(--ink-faint)}

/* ---------- homepage ---------- */
.tools{display:flex;flex-direction:column;gap:14px;margin-top:26px}
a.tool,div.tool{display:flex;flex-direction:column;gap:5px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px 24px;text-decoration:none;color:var(--ink)}
a.tool:hover{border-color:var(--green);color:var(--ink)}
.tool h2{font-family:var(--serif);font-size:22px;color:var(--green)}
.tool p{margin:0;font-size:15px;color:var(--ink-soft)}
.tool.presto h2{color:var(--ink-faint)}
.badge{display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:#8a651c;background:#f7ead0;border-radius:999px;padding:3px 10px;vertical-align:2px;margin-left:6px}

/* ---------- document pages (privacy, note legali) ---------- */
.doc{padding-top:40px}
.doc h1{font-size:clamp(28px,3vw,38px)}
.doc h2{font-size:22px;margin-top:1.8em}
.doc p{max-width:72ch}
.doc .updated{color:var(--ink-faint);font-size:14px}
.todo{background:var(--amber-bg);border:1px solid var(--amber-line);border-radius:10px;padding:12px 16px;font-size:14px;color:var(--amber-ink)}

/* ---------- responsive ---------- */
@media(max-width:1180px){
  .workspace{grid-template-columns:minmax(0,1fr);gap:28px}
  .preview-col{position:static}
}
@media(max-width:700px){
  .grid2{grid-template-columns:1fr}
  header.site .wrap{gap:10px}
  header.site nav{margin-left:0;gap:18px}
  .hero{padding-top:32px}
  .form-card{padding:20px}
  ul.fonti{grid-template-columns:1fr}
  footer.site .wrap{flex-direction:column}
}

/* ---------- print: only the courtesy copy ---------- */
@media print{
  body{background:#fff}
  body>:not(main){display:none !important}
  main>:not(.workspace){display:none !important}
  .workspace{display:block;margin:0;padding:0;max-width:none}
  .workspace>:not(.preview-col){display:none !important}
  .preview-col{position:static;display:block}
  .preview-col>:not(#print-zone){display:none !important}
  .preview-backdrop,#print-zone{background:#fff;padding:0;border-radius:0}
  #anteprima{box-shadow:none;border-radius:0;padding:0;max-width:none}
}