/* Le Favole di MetaCometa — STORYBOOK (raster) deck.
   Layout due pannelli: testo a sinistra, illustrazione QUADRATA alta 100vh a destra.
   Mobile: quadrato sopra, testo sotto. Mai sovrapposti.
   I font (Young Serif / DM Sans / Caveat) sono caricati dal documento (favole.php). */
:root{--crema:#FBF5EE;--crema2:#F4E9DB;--viola:#4F2D7F;--viola-soft:#6B4A9E;--arancio:#E97E3A;--ink:#241a2e;--space:8px}
*{box-sizing:border-box}html,body{margin:0;height:100%}
body.fv-sb{font-family:'DM Sans',system-ui,sans-serif;background:var(--crema);color:var(--ink);overflow:hidden}
.sb-deck{position:relative;width:100vw;height:100dvh;overflow:hidden}
.sb-slide{position:absolute;inset:0;display:flex;flex-direction:row;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .6s ease;background:var(--crema)}
.sb-slide.is-on{opacity:1;visibility:visible;pointer-events:auto}
/* illustrazione: quadrato 100vh fisso a destra (no deformazione) */
.sb-art{order:2;flex:0 0 auto;height:100dvh;aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;background:var(--crema);overflow:hidden}
.sb-art img{display:block;width:100%;height:100%;object-fit:cover;object-position:center}
.sb-slide.is-on .sb-art img{animation:sb-kb 26s ease-out forwards}
@keyframes sb-kb{from{transform:scale(1)}to{transform:scale(1.04)}}
/* lettura: nessun bordo, stessa pagina crema */
.sb-read{order:1;flex:1 1 0;min-width:300px;overflow-y:auto;display:flex;flex-direction:column;justify-content:stretch;
  padding:clamp(24px,3.2vw,60px) clamp(22px,3vw,52px) calc(100px + env(safe-area-inset-bottom));background:var(--crema)}
.sb-inner{max-width:32em;margin:0;width:100%;flex:1;display:flex;flex-direction:column}
.sb-child{flex:1;display:flex;flex-direction:column;justify-content:center}
.sb-kicker{font-family:'Caveat',cursive;font-size:clamp(1.45rem,2.3vw,2.05rem);color:#C75E22;line-height:1;margin:0 0 .35em;transform:rotate(-1.5deg)}
.sb-title{font-family:'Young Serif',Georgia,serif;font-weight:400;font-size:clamp(1.6rem,2.9vw,2.5rem);color:var(--viola);line-height:1.08;margin:0 0 calc(var(--space)*2);letter-spacing:-.01em}
.sb-text{font-size:clamp(1.08rem,1.45vw,1.4rem);line-height:1.6;font-weight:500;margin:0 0 calc(var(--space)*2);color:#2c2236;max-width:34ch}
.sb-gen{border-left:4px solid var(--arancio);background:rgba(79,45,127,.05);border-radius:0 12px 12px 0;padding:.65em 1em .75em 1.1em;margin-top:var(--space)}
.sb-gen .sb-lbl{display:inline-flex;align-items:center;gap:.4em;font-size:.7rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--viola-soft);margin:0 0 .35em}
.sb-gen .sb-lbl::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--arancio)}
.sb-gen p{margin:0;font-size:.88rem;line-height:1.5;color:#4a3f57}
.sb-gen-fin{margin-top:calc(var(--space)*2);display:flex;flex-direction:column}
/* attestato (parte bambino) */
.sb-att{background:#fff;border:2px dashed var(--arancio);border-radius:16px;padding:.9em 1em 1em;margin:0 0 calc(var(--space)*1.5)}
.sb-att label{display:block;font-weight:600;font-size:.95rem;color:var(--viola);margin:0 0 .55em}
.sb-attrow{display:flex;gap:8px;flex-wrap:wrap}
.sb-att input{flex:1 1 150px;min-height:44px;border:2px solid rgba(79,45,127,.3);border-radius:10px;padding:0 .8em;font:inherit;font-size:1rem}
.sb-att input:focus-visible{outline:3px solid var(--arancio);outline-offset:1px;border-color:var(--arancio)}
.sb-att button{min-height:44px;border:none;border-radius:10px;background:var(--viola);color:#fff;font-weight:700;padding:0 1.2em;cursor:pointer;font:inherit;transition:transform .15s ease}
.sb-att button:hover{transform:translateY(-1px)}
.sb-att button:focus-visible{outline:3px solid var(--arancio);outline-offset:2px}
.sb-certmsg{margin:.8em 0 0;padding:.7em .9em;background:rgba(233,126,58,.12);border-radius:10px;font-size:.92rem;line-height:1.45;color:#7a3d12}
.sb-certmsg a{color:var(--arancio);font-weight:700;text-decoration:none}
.sb-cert-preview{margin:.9em 0 0;border-radius:12px;overflow:hidden;background:#FBF5EE;box-shadow:0 8px 28px rgba(79,45,127,.16)}
.sb-cert-preview svg{display:block;width:100%;height:auto}
.sb-cert-actions{margin-top:.7em}
.sb-att button.sb-ghost{background:#fff;color:var(--viola);border:2px solid var(--viola)}
.sb-att button.sb-ghost:hover{background:rgba(79,45,127,.06)}
/* dona (parte genitore) */
.sb-actions{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-top:.7em}
.sb-cta{display:inline-flex;background:var(--arancio);color:#fff;font-weight:700;text-decoration:none;border-radius:999px;padding:.8em 1.5em;box-shadow:0 6px 14px rgba(233,126,58,.4);transition:transform .18s ease}
.sb-cta:hover{transform:translateY(-2px)}
.sb-back{display:inline-block;margin:0;color:var(--viola-soft);text-decoration:none;font-weight:600;font-size:.95rem}
.sb-back:hover{color:var(--viola);text-decoration:underline}
/* logo top-right bianco 50% sopra l'illustrazione */
.sb-logo{position:fixed;top:16px;right:20px;height:30px;width:auto;z-index:50;filter:brightness(0) invert(1) drop-shadow(0 1px 3px rgba(0,0,0,.35));opacity:.55;pointer-events:none}
/* barra controllo unica in basso */
.sb-ctrl{position:fixed;left:50%;bottom:calc(16px + env(safe-area-inset-bottom));transform:translateX(-50%);z-index:50;
  display:flex;align-items:center;gap:6px;background:rgba(255,255,255,.94);backdrop-filter:blur(6px);
  border:1px solid rgba(79,45,127,.1);border-radius:999px;padding:6px 8px;box-shadow:0 8px 24px rgba(58,31,94,.16)}
.sb-btn{width:44px;height:44px;border-radius:50%;border:none;background:transparent;color:var(--viola);font-size:1.5rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s ease}
.sb-btn:hover{background:rgba(79,45,127,.08)}.sb-btn:disabled{opacity:.28;cursor:default}
.sb-btn:focus-visible{outline:3px solid var(--arancio);outline-offset:2px}
.sb-dots{display:flex;align-items:center;gap:7px;padding:0 6px}
.sb-dot{width:9px;height:9px;border-radius:50%;background:var(--viola);opacity:.26;border:none;cursor:pointer;padding:0;transition:all .2s ease}
.sb-dot.on{opacity:1;background:var(--arancio);transform:scale(1.4)}
.sb-dot:focus-visible{outline:2px solid var(--arancio);outline-offset:2px}
.sb-counter{font-family:'Caveat',cursive;font-size:1.25rem;color:var(--viola-soft);padding:0 8px;min-width:58px;text-align:center;white-space:nowrap}
/* mobile: quadrato sopra, testo sotto */
@media (max-width:820px), (orientation:portrait){
  body.fv-sb{overflow:auto}.sb-deck{height:auto;min-height:100dvh;overflow:visible}
  .sb-slide{position:absolute;flex-direction:column}
  .sb-slide:not(.is-on){display:none}.sb-slide.is-on{position:relative;min-height:100dvh}
  .sb-art{order:1;flex:0 0 auto;width:100%;height:auto;aspect-ratio:1/1}
  .sb-read{order:2;flex:1 1 auto;justify-content:flex-start;padding:14px 20px calc(140px + env(safe-area-inset-bottom))}
  .sb-inner{max-width:100%}
  .sb-logo{top:12px;right:14px;height:26px}
  .sb-counter{min-width:52px}
}
@media print{
  body.fv-sb,.sb-deck{height:auto;overflow:visible}
  .sb-slide{position:relative!important;opacity:1!important;visibility:visible!important;page-break-after:always}
  .sb-ctrl,.sb-logo{display:none!important}
  /* modalità attestato: stampa SOLO l'anteprima dell'attestato */
  body.sb-print-cert *{visibility:hidden!important}
  body.sb-print-cert #sb-cert-preview,body.sb-print-cert #sb-cert-preview *{visibility:visible!important}
  body.sb-print-cert #sb-cert-preview{position:fixed!important;left:0;top:0;width:100%!important;margin:0!important;border-radius:0;box-shadow:none;page-break-after:avoid}
}
@media print{@page{size:landscape;margin:8mm}}
@media (prefers-reduced-motion:reduce){.sb-slide.is-on .sb-art img{animation:none}.sb-slide{transition:none}}