/* Manuale QUICKCONTO - stile responsive (chiaro / scuro / stampa) */
:root{
  --bg:#f5f6f8; --surface:#ffffff; --surface-2:#eef0f4; --text:#1a2230; --muted:#5b6678; --line:#dde1e8;
  --accent:#803f49; --accent-2:#9a4b57; --accent-soft:#f6e9eb; --accent-text:#ffffff; --link:#8a2c3b;
  --info:#1e6fb8; --info-bg:#e8f2fb; --warn:#b4540a; --warn-bg:#fdf0e3; --tip:#1d7a4d; --tip-bg:#e6f5ec;
  --shadow:0 1px 2px rgba(20,30,50,.06),0 6px 20px rgba(20,30,50,.07);
  --radius:12px; --side:300px; --toc:230px; --top:60px;
  color-scheme:light;
}
:root[data-theme="dark"]{
  --bg:#12161d; --surface:#1a2029; --surface-2:#222a36; --text:#e6e9ef; --muted:#9aa5b8; --line:#2d3646;
  --accent:#c4707d; --accent-2:#d58591; --accent-soft:#2e2024; --accent-text:#1a1015; --link:#e59aa5;
  --info:#6db3f2; --info-bg:#152533; --warn:#f0a35e; --warn-bg:#33261a; --tip:#6fd0a0; --tip-bg:#15291f;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 6px 20px rgba(0,0,0,.35);
  color-scheme:dark;
}
@media (prefers-color-scheme:dark){
  :root[data-theme="auto"]{
    --bg:#12161d; --surface:#1a2029; --surface-2:#222a36; --text:#e6e9ef; --muted:#9aa5b8; --line:#2d3646;
    --accent:#c4707d; --accent-2:#d58591; --accent-soft:#2e2024; --accent-text:#1a1015; --link:#e59aa5;
    --info:#6db3f2; --info-bg:#152533; --warn:#f0a35e; --warn-bg:#33261a; --tip:#6fd0a0; --tip-bg:#15291f;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 6px 20px rgba(0,0,0,.35);
    color-scheme:dark;
  }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--top) + 16px);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;text-rendering:optimizeLegibility}
a{color:var(--link);text-underline-offset:2px}
a:hover{text-decoration-thickness:2px}
img{max-width:100%;height:auto}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-999px;top:8px;background:var(--accent);color:var(--accent-text);padding:8px 14px;border-radius:8px;z-index:200}
.skip:focus{left:8px}
.muted{color:var(--muted)}

/* ---------- barra superiore ---------- */
.topbar{position:sticky;top:0;z-index:50;height:var(--top);display:flex;align-items:center;gap:12px;padding:0 16px;background:var(--surface);border-bottom:1px solid var(--line)}
.icon-btn{display:inline-grid;place-items:center;width:40px;height:40px;border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:10px;cursor:pointer;flex:none}
.icon-btn:hover{background:var(--surface-2)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);flex:none}
.brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:9px;background:var(--accent);color:var(--accent-text);font-weight:800;font-size:15px;letter-spacing:.5px}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text strong{font-size:16px;letter-spacing:.3px}
.brand-text small{color:var(--muted);font-size:12px}
.search{position:relative;flex:1;max-width:560px;margin-left:auto;display:flex;align-items:center}
.search svg{position:absolute;left:12px;color:var(--muted);pointer-events:none}
.search input{width:100%;height:40px;padding:0 14px 0 38px;border:1px solid var(--line);border-radius:10px;background:var(--surface-2);color:var(--text);font:inherit;font-size:15px}
.search input:focus{background:var(--surface);border-color:var(--accent)}
.risultati{position:absolute;top:46px;left:0;right:0;max-height:70vh;overflow:auto;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);z-index:60}
.risultati a{display:block;padding:10px 14px;text-decoration:none;color:var(--text);border-bottom:1px solid var(--line)}
.risultati a:last-child{border-bottom:0}
.risultati a:hover,.risultati a[aria-selected="true"]{background:var(--accent-soft)}
.risultati strong{display:block;font-size:15px;color:var(--link)}
.risultati span{display:block;font-size:13px;color:var(--muted);line-height:1.4;margin-top:2px}
.risultati .vuoto{padding:14px;color:var(--muted)}
mark{background:#ffe38a;color:#1a1a1a;border-radius:3px;padding:0 1px}

/* ---------- layout ---------- */
.layout{display:grid;grid-template-columns:var(--side) minmax(0,1fr) var(--toc);align-items:start;max-width:1680px;margin:0 auto}
.home-layout{grid-template-columns:var(--side) minmax(0,1fr)}
.sidebar{position:sticky;top:var(--top);height:calc(100vh - var(--top));overflow:auto;padding:16px 12px 40px 16px;border-right:1px solid var(--line);background:var(--surface)}
.side-title{margin:0 0 8px;font-size:12px;text-transform:uppercase;letter-spacing:.08em;font-weight:700}
.side-title a{color:var(--muted);text-decoration:none}
.tree,.tree ul{list-style:none;margin:0;padding:0}
.tree ul{margin-left:12px;padding-left:10px;border-left:1px solid var(--line)}
.tree a{display:block;padding:6px 8px;border-radius:8px;text-decoration:none;color:var(--text);font-size:14.5px;line-height:1.35}
.tree a:hover{background:var(--surface-2)}
.tree a[aria-current="page"]{background:var(--accent);color:var(--accent-text);font-weight:600}
.tree summary{cursor:pointer;list-style:none;display:flex;align-items:center}
.tree summary::-webkit-details-marker{display:none}
.tree summary::before{content:"";flex:none;width:7px;height:7px;margin:0 6px 0 4px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(-45deg);transition:transform .15s}
.tree details[open]>summary::before{transform:rotate(45deg)}
.tree summary a{flex:1;font-weight:600}
.main{padding:28px clamp(16px,4vw,48px) 40px;min-width:0}
.toc-wrap{position:sticky;top:var(--top);max-height:calc(100vh - var(--top));overflow:auto;padding:28px 16px 40px 0}
.toc-title{margin:0 0 8px;font-size:12px;text-transform:uppercase;letter-spacing:.08em;font-weight:700;color:var(--muted)}
.toc ul{list-style:none;margin:0;padding:0;border-left:2px solid var(--line)}
.toc a{display:block;padding:4px 0 4px 12px;margin-left:-2px;border-left:2px solid transparent;font-size:13.5px;line-height:1.35;color:var(--muted);text-decoration:none}
.toc a:hover{color:var(--text)}
.toc a.on{color:var(--link);border-left-color:var(--accent);font-weight:600}
.toc .l3 a{padding-left:24px;font-size:13px}

/* ---------- briciole / articolo ---------- */
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:4px;margin:0 0 14px;padding:0;font-size:13.5px;color:var(--muted)}
.crumbs li+li::before{content:"›";margin-right:4px;color:var(--muted)}
.crumbs a{color:var(--muted)}
.articolo{max-width:860px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(18px,3.5vw,40px);box-shadow:var(--shadow)}
.articolo h1{margin:0 0 6px;font-size:clamp(1.7rem,3.2vw,2.3rem);line-height:1.2;letter-spacing:-.01em}
.subtitle{margin:0 0 18px;color:var(--muted);font-size:1.05rem}
.articolo h2{margin:2.1em 0 .6em;padding-bottom:.35em;font-size:1.4rem;line-height:1.3;border-bottom:2px solid var(--accent-soft)}
.articolo h3{margin:1.7em 0 .5em;font-size:1.12rem;color:var(--accent)}
.articolo p{margin:0 0 1em}
.articolo p.lead,.lead{font-size:1.12rem;color:var(--text);line-height:1.7}
.articolo .nota-piccola{font-size:.9rem;color:var(--muted)}
.articolo ul,.articolo ol{margin:0 0 1.1em;padding-left:1.4em}
.articolo li{margin:.3em 0}
.articolo li::marker{color:var(--accent)}
code{font:.88em/1.4 ui-monospace,SFMono-Regular,Consolas,"Liberation Mono",monospace;background:var(--surface-2);border:1px solid var(--line);border-radius:6px;padding:1px 6px;overflow-wrap:anywhere}
strong{font-weight:650}

/* ---------- immagini ---------- */
figure{margin:1.4em 0;text-align:center}
figure img{display:block;margin:0 auto;border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);background:#fff;cursor:zoom-in}
img.icon{display:inline-block;vertical-align:middle;margin:0 4px;border:0;box-shadow:none;cursor:default;border-radius:4px;background:transparent}
figcaption{margin-top:.6em;font-size:.9rem;color:var(--muted)}
.lightbox{position:fixed;inset:0;z-index:300;display:grid;place-items:center;padding:16px;background:rgba(8,10,16,.88);cursor:zoom-out}
.lightbox img{max-width:100%;max-height:100%;border-radius:8px;background:#fff;box-shadow:0 10px 40px rgba(0,0,0,.5)}

/* ---------- riquadri ---------- */
.callout{margin:1.3em 0;padding:14px 16px 14px 18px;border-radius:10px;border-left:5px solid var(--info);background:var(--info-bg)}
.callout.warn{border-left-color:var(--warn);background:var(--warn-bg)}
.callout.tip{border-left-color:var(--tip);background:var(--tip-bg)}
.callout-title{display:block;margin-bottom:4px;font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--info)}
.callout.warn .callout-title{color:var(--warn)}
.callout.tip .callout-title{color:var(--tip)}
.callout-body>*:last-child{margin-bottom:0}

/* ---------- elenchi opzioni ---------- */
dl.opzioni{margin:1.2em 0;border:1px solid var(--line);border-radius:10px;overflow:hidden}
dl.opzioni>div{display:grid;grid-template-columns:minmax(150px,32%) 1fr;gap:6px 18px;padding:12px 16px;border-bottom:1px solid var(--line)}
dl.opzioni>div:nth-child(even){background:var(--surface-2)}
dl.opzioni>div:last-child{border-bottom:0}
dl.opzioni dt{font-weight:650;line-height:1.4}
dl.opzioni dd{margin:0}
.chip{display:inline-block;margin-right:6px;padding:0 7px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;vertical-align:1px}
:root[data-theme="dark"] .chip{color:var(--link)}

/* ---------- passaggi numerati ---------- */
ol.passi{list-style:none;counter-reset:passo;padding:0;margin:1.2em 0}
ol.passi>li{position:relative;padding:0 0 1.1em 48px;margin:0;counter-increment:passo}
ol.passi>li::before{content:attr(value);position:absolute;left:0;top:0;width:32px;height:32px;display:grid;place-items:center;border-radius:50%;background:var(--accent);color:var(--accent-text);font-weight:700;font-size:.95rem}
ol.passi>li:not(:last-child)::after{content:"";position:absolute;left:15px;top:36px;bottom:4px;width:2px;background:var(--line)}
ol.passi .passo-testo{padding-top:3px}
ol.passi figure{margin:.8em 0 0;text-align:left}
ol.passi figure img{margin:0}

/* ---------- tabelle ---------- */
.table-scroll{overflow-x:auto;margin:1.2em 0;border:1px solid var(--line);border-radius:10px}
table.variabili{width:100%;border-collapse:collapse;font-size:.92rem}
table.variabili th{position:sticky;top:0;text-align:left;background:var(--surface-2);padding:8px 12px;border-bottom:1px solid var(--line)}
table.variabili td{padding:6px 12px;border-bottom:1px solid var(--line);vertical-align:top}
table.variabili tr:last-child td{border-bottom:0}
table.variabili td:first-child{white-space:nowrap}

/* ---------- elenchi capitoli / vedi anche ---------- */
.cards-list{list-style:none;padding:0!important;display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}
.cards-list li{margin:0}
.cards-list a{display:flex;flex-direction:column;gap:4px;height:100%;padding:14px 16px;border:1px solid var(--line);border-radius:10px;text-decoration:none;color:var(--text);background:var(--surface-2)}
.cards-list a:hover{border-color:var(--accent);background:var(--accent-soft)}
.cards-list strong{color:var(--link)}
.cards-list span{font-size:.88rem;color:var(--muted);line-height:1.4}
.see ul{list-style:none;padding:0!important;display:flex;flex-wrap:wrap;gap:8px}
.see a{display:inline-block;padding:6px 12px;border:1px solid var(--line);border-radius:999px;text-decoration:none;background:var(--surface-2)}
.see a:hover{border-color:var(--accent);background:var(--accent-soft)}
.prevnext{display:grid;grid-template-columns:1fr 1fr;gap:12px;max-width:860px;margin:18px 0 0}
.pn{display:flex;flex-direction:column;gap:2px;padding:14px 16px;border:1px solid var(--line);border-radius:10px;background:var(--surface);text-decoration:none;color:var(--text)}
.pn:hover{border-color:var(--accent)}
.pn span{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.pn strong{color:var(--link);font-size:.98rem}
.pn.next{text-align:right}
.footer{max-width:860px;margin-top:28px;padding-top:16px;border-top:1px solid var(--line);font-size:.88rem;color:var(--muted)}
.footer p{margin:0 0 4px}

/* ---------- home ---------- */
.hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:28px;align-items:center;margin-bottom:34px;padding:clamp(20px,4vw,40px);background:linear-gradient(135deg,var(--accent-soft),var(--surface));border:1px solid var(--line);border-radius:16px}
.eyebrow{margin:0 0 6px;font-size:.8rem;text-transform:uppercase;letter-spacing:.12em;font-weight:700;color:var(--accent)}
.hero h1{margin:0 0 12px;font-size:clamp(1.9rem,4vw,2.9rem);line-height:1.1;letter-spacing:-.02em}
.hero .lead{margin:0 0 20px;color:var(--muted)}
.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin:0}
.btn{display:inline-block;padding:11px 18px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--text);text-decoration:none;font-weight:600}
.btn:hover{border-color:var(--accent)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-text)}
.btn.primary:hover{background:var(--accent-2)}
.hero-fig{margin:0}
.hero-fig img{cursor:default}
.main section>h2{margin:0 0 14px;font-size:1.5rem}
.main section{margin-bottom:34px}
.paths{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}
.path,.card{padding:18px;border:1px solid var(--line);border-radius:12px;background:var(--surface);box-shadow:var(--shadow)}
.path h3,.card h3{margin:0 0 4px;font-size:1.05rem}
.path p,.card p{margin:0 0 10px;color:var(--muted);font-size:.92rem;line-height:1.5}
.path ol{margin:0;padding-left:1.3em;font-size:.94rem}
.path li,.card li{margin:.2em 0}
.path ol li::marker{color:var(--accent);font-weight:700}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}
.card h3 a{color:var(--link);text-decoration:none}
.card h3 a:hover{text-decoration:underline}
.card{border-top:4px solid var(--accent)}
.card ul{margin:0;padding-left:1.1em;font-size:.93rem}
.card .more{list-style:none;margin-left:-1.1em;font-weight:600}
.help-box{padding:20px 22px;border:1px solid var(--line);border-left:5px solid var(--accent);border-radius:12px;background:var(--surface)}
.help-box h2{font-size:1.15rem!important;margin-bottom:6px!important}
.help-box p{margin:0}

/* ---------- responsive ---------- */
.overlay{position:fixed;inset:var(--top) 0 0 0;background:rgba(8,10,16,.5);z-index:40}
@media (max-width:1280px){
  .layout{grid-template-columns:var(--side) minmax(0,1fr)}
  .toc-wrap{display:none}
}
@media (max-width:900px){
  :root{--side:min(86vw,340px)}
  .layout,.home-layout{grid-template-columns:minmax(0,1fr)}
  .sidebar{position:fixed;left:0;top:var(--top);z-index:45;width:var(--side);transform:translateX(-102%);transition:transform .2s ease;box-shadow:var(--shadow)}
  body.menu-open .sidebar{transform:none}
  .brand-text small{display:none}
  .hero{grid-template-columns:1fr}
  dl.opzioni>div{grid-template-columns:1fr;gap:2px}
  .prevnext{grid-template-columns:1fr}
  .articolo{border-radius:10px}
}
@media (max-width:560px){
  .topbar{gap:8px;padding:0 10px}
  .brand-text{display:none}
  body{font-size:15.5px}
  ol.passi>li{padding-left:42px}
}
@media (min-width:901px){
  #btnMenu{display:none}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* ---------- stampa ---------- */
@media print{
  .topbar,.sidebar,.toc-wrap,.prevnext,.overlay,.crumbs,.hero-actions,.skip{display:none!important}
  body{background:#fff;color:#000;font-size:11pt}
  .layout{display:block}
  .articolo{border:0;box-shadow:none;padding:0;max-width:none}
  figure{break-inside:avoid}
  figure img{box-shadow:none;max-width:100%}
  a{color:#000;text-decoration:none}
  .articolo a[href^="http"]::after{content:" (" attr(href) ")";font-size:.85em;color:#555}
  h2,h3{break-after:avoid}
  .callout,dl.opzioni>div{break-inside:avoid}
}