:root{--bg:#f6f8fb;--surface:#fff;--text:#1f2937;--muted:#64748b;--primary:#e34f26;--primary-dark:#b43a1d;--primary-soft:#fff1eb;--accent:#f06529;--border:#e6e8ee;--soft:#fff7f2;--code:#172033;--radius:18px;--shadow:0 14px 35px rgba(179,58,29,.13)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);background:var(--bg);line-height:1.65}a{color:inherit;text-decoration:none}code{background:#f1f5f9;border:1px solid #e2e8f0;border-radius:6px;padding:1px 5px}.container{width:min(1140px,calc(100% - 32px));margin:0 auto}.topbar{background:rgba(255,255,255,.95);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:30;backdrop-filter:blur(10px)}.nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;flex-direction:column;line-height:1.12;font-weight:900;letter-spacing:-.025em}.brand span:first-child{color:var(--primary);font-size:1.28rem}.brand span:last-child{color:var(--muted);font-size:.82rem;font-weight:700}.nav-links{display:flex;align-items:center;gap:18px;font-size:.95rem;color:var(--muted)}.nav-links a:hover{color:var(--primary)}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:11px 18px;font-weight:800;border:1px solid transparent;transition:.2s ease}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px)}.btn-secondary{background:#fff;border-color:var(--border);color:var(--text)}.btn-secondary:hover{border-color:#f6b59f;color:var(--primary)}.hero{padding:64px 0 44px;background:radial-gradient(circle at top left,rgba(227,79,38,.18),transparent 34%),linear-gradient(180deg,#fff 0%,var(--bg) 100%);border-bottom:1px solid var(--border)}.hero-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(300px,.75fr);gap:34px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--primary-soft);color:var(--primary-dark);border:1px solid #f6b59f;border-radius:999px;padding:7px 12px;font-size:.9rem;font-weight:800;margin-bottom:18px}h1{font-size:clamp(2.15rem,5vw,4.2rem);line-height:1.03;letter-spacing:-.055em;margin:0 0 18px}h2{letter-spacing:-.04em}.lead{color:var(--muted);font-size:1.17rem;max-width:760px;margin:0 0 26px}.search-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:12px;display:flex;gap:10px;max-width:760px}.search-box input{flex:1;border:0;outline:0;font-size:1rem;padding:12px 14px;min-width:0}.quick-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.chip{background:#fff;color:var(--muted);border:1px solid var(--border);border-radius:999px;padding:8px 12px;font-size:.92rem}.chip:hover{color:var(--primary);border-color:#f6b59f;background:var(--primary-soft)}.panel,.box,.side-card,.toc{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 8px 20px rgba(15,23,42,.045)}.panel{padding:28px}.check-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}.check-list li{display:grid;grid-template-columns:28px 1fr;gap:10px;color:var(--muted)}.check-list strong{color:var(--text)}.icon{width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:var(--primary-soft);color:var(--primary);font-weight:900}section{padding:54px 0}.section-title{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:24px}.section-title h2{font-size:clamp(1.65rem,3vw,2.45rem);line-height:1.1;margin:0}.section-title p{color:var(--muted);margin:0;max-width:560px}.guide-grid,.exercise-grid,.example-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.guide-card,.exercise-card,.example-card{display:block;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:0 8px 20px rgba(15,23,42,.045);transition:.2s ease}.guide-card:hover,.exercise-card:hover,.example-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#f6b59f}.tag{color:var(--primary);font-weight:900;font-size:.8rem;text-transform:uppercase;letter-spacing:.06em}.guide-card h3,.exercise-card h3,.example-card h3{margin:8px 0 8px;font-size:1.16rem;line-height:1.25;letter-spacing:-.025em}.guide-card p,.exercise-card p,.example-card p{margin:0 0 14px;color:var(--muted);font-size:.96rem}.read-more{color:var(--primary);font-weight:900}.layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:30px;align-items:start;padding:42px 0 62px}.article{display:grid;gap:22px}.box{padding:28px}.box h2{font-size:clamp(1.45rem,3vw,2rem);line-height:1.18;margin:0 0 14px}.box h3{font-size:1.18rem;letter-spacing:-.025em;margin:24px 0 8px}.box p{margin:0 0 14px}.box ul,.box ol{margin:12px 0 0;padding-left:22px}.box li{margin-bottom:8px}.code-block{background:var(--code);color:#e6edf6;border-radius:14px;padding:16px;overflow-x:auto;font-family:Consolas,Monaco,monospace;font-size:.95rem;line-height:1.55;margin:16px 0}.note{background:#fff8e7;border:1px solid #f4d58d;border-radius:16px;padding:16px;color:#6f4e00;margin-top:14px}.answer{background:var(--primary-soft);border:1px solid #f6b59f;border-radius:22px;padding:24px;box-shadow:var(--shadow)}.toc{padding:20px;position:sticky;top:92px}.toc strong{display:block;margin-bottom:10px;color:var(--primary-dark)}.toc a{display:block;padding:8px 0;color:var(--muted);border-bottom:1px solid var(--border);font-size:.94rem}.toc a:last-child{border-bottom:0}.toc a:hover{color:var(--primary)}.side-card{padding:20px;margin-top:18px}.side-card h3{margin:0 0 8px;letter-spacing:-.03em}.side-card p{color:var(--muted);margin:0 0 14px;font-size:.95rem}.adbox{background:linear-gradient(135deg,#fff7f2,#fff);border:1px dashed #f6b59f;border-radius:16px;padding:18px}.adbox small{display:block;color:var(--muted);font-weight:800;text-transform:uppercase;letter-spacing:.08em;margin-bottom:8px}.cta{background:linear-gradient(135deg,#e34f26 0%,#b43a1d 100%);color:#fff;border-radius:28px;padding:30px;display:flex;align-items:center;justify-content:space-between;gap:24px}.cta h2{margin:0 0 8px;font-size:1.65rem}.cta p{margin:0;color:#ffe5dc;max-width:700px}.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;color:var(--muted);font-size:.92rem;margin-bottom:22px}.breadcrumb a{color:var(--primary-dark);font-weight:800}.diagnosis-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.diagnosis-card{display:block;background:#fff;border:1px solid var(--border);border-radius:18px;padding:18px;transition:.2s}.diagnosis-card:hover{border-color:#f6b59f;background:var(--primary-soft);transform:translateY(-2px)}.diagnosis-card strong{display:block;color:var(--primary-dark);margin-bottom:6px}.diagnosis-card span{color:var(--muted);font-size:.93rem}.footer{padding:34px 0;border-top:1px solid var(--border);background:#fff;color:var(--muted);font-size:.95rem}.footer-inner{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}.hide{display:none!important}@media(max-width:980px){.hero-grid,.layout{grid-template-columns:1fr}.toc{position:static}.guide-grid,.exercise-grid,.example-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.diagnosis-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:680px){.nav{align-items:flex-start;flex-direction:column;padding:18px 0}.nav-links{flex-wrap:wrap}.search-box,.cta{flex-direction:column;align-items:flex-start}.guide-grid,.exercise-grid,.example-grid,.diagnosis-grid{grid-template-columns:1fr}.section-title{align-items:flex-start;flex-direction:column}.box,.answer{padding:22px}}
/* Fix box codice esempio */
pre,
pre code,
.codice,
.code,
.example-code {
  color: #f8f8f2;
}

pre {
  background: #1e1e1e;
  border: 1px solid #3a3a3a;
  border-radius: 10px;
  padding: 16px 18px;
  overflow-x: auto;
  line-height: 1.5;
  font-family: Consolas, Monaco, "Courier New", monospace;
  font-size: 0.95rem;
}

pre code {
  background: transparent;
  color: inherit;
}

/* Spaziatura pulsanti affiancati (anche nelle CTA finali Precedente/Successiva) */
.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.cta .hero-actions {
  justify-content: flex-end;
}

/* Lettura pulita dei blocchi di codice su fondo scuro */
.code-block code,
pre code {
  display: block;
  border: 0;
  padding: 0;
  box-shadow: none;
  text-decoration: none;
  text-decoration-line: none;
  white-space: pre;
}

.code-block a,
pre a {
  color: inherit;
  text-decoration: none;
  border: 0;
}

@media(max-width:680px){
  .hero-actions {
    width: 100%;
    align-items: stretch;
  }
  .hero-actions .btn {
    flex: 1 1 160px;
  }
  .cta .hero-actions {
    justify-content: flex-start;
  }
}


/* Schede didattiche per pagine singole di esempi ed esercizi */
.related{display:grid;gap:10px;margin-top:12px}.related a{display:block;border:1px solid var(--border);border-radius:14px;padding:12px 14px;background:#fff;color:var(--primary-dark);font-weight:800}.related a:hover{border-color:#f6b59f;background:var(--primary-soft)}
.code-block code .commento{color:#a7f3d0}.box .check-list{padding-left:0}.box .check-list li{margin-bottom:0}.box table{width:100%;border-collapse:collapse;margin:16px 0;background:#fff}.box th,.box td{border:1px solid var(--border);padding:10px;text-align:left}.box th{background:var(--primary-soft);color:var(--primary-dark)}
pre, pre *, .code-block, .code-block * { text-decoration: none !important; text-decoration-line: none !important; }

/* Fix layout colonne: i blocchi di codice non devono allargare la colonna principale */
.layout > *,
.article,
.box,
.answer,
.cta {
  min-width: 0;
}

.code-block,
pre {
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
}

.code-block code,
pre code {
  max-width: 100%;
}

/* Pubblicità inserita nel flusso della pagina, non solo in fondo alla sidebar */
.ad-inline {
  padding: 0;
  overflow: hidden;
}

.ad-inline .adbox {
  border-radius: var(--radius);
  border-style: dashed;
}

@media(max-width:980px){
  .layout { gap: 22px; }
}