.csbtn{appearance:none;border:0;cursor:pointer;display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#241303;background:linear-gradient(135deg,#EBA45E,#D07E32);border-radius:20px;padding:8px 13px;box-shadow:0 6px 18px rgba(224,147,78,.3);animation:csIn .45s cubic-bezier(.22,1,.36,1) backwards,csP 2.6s ease-in-out .45s infinite;flex:none;transition:transform .18s,box-shadow .18s}
  .csbtn:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(224,147,78,.5)}
  .csbtn.big{font-size:12.5px;padding:13px 22px;border-radius:26px;margin-top:14px}
  .match .csbtn{margin-left:10px}
  @keyframes csIn{from{opacity:0;transform:scale(.7)}to{opacity:1;transform:scale(1)}}
  @keyframes csP{0%,100%{box-shadow:0 6px 18px rgba(224,147,78,.26)}50%{box-shadow:0 8px 26px rgba(224,147,78,.5)}}
  @media(prefers-reduced-motion:reduce){.csbtn{animation:none}}
  /* Anteprima del foglio: scalata per stare INTERA a video, senza scroll.
     La dimensione reale (880px di larghezza, altezza = contenuto) e la scala
     vengono impostate da showSheet()/fit(); qui solo cornice e centratura. */
  .cso{position:fixed;inset:0;z-index:999;background:rgba(5,8,9,.86);display:flex;align-items:center;justify-content:center;overflow:hidden;padding:16px}
  .cso-wrap{position:relative;flex:none}
  .cso iframe{position:absolute;top:0;left:0;border:0;border-radius:12px;background:#fff;box-shadow:0 30px 90px rgba(0,0,0,.6)}
  .csox{position:fixed;top:16px;right:16px;width:44px;height:44px;border:1px solid rgba(237,232,221,.3);border-radius:50%;background:rgba(10,22,20,.85);color:var(--bone);font-size:24px;cursor:pointer;z-index:2}
  .csox:hover{border-color:var(--teal);color:var(--teal)}

/* comando di stampa dell'anteprima: fuori dal foglio, quindi non rimpicciolito
   dalla scala. 44px di altezza come tutti i bersagli del sito. */
.csoprint{position:fixed;top:16px;left:16px;min-height:44px;padding:0 18px;
  border:0;border-radius:26px;background:#0F6E56;color:#fff;
  font:600 13px/1 'Inter',system-ui,Arial,sans-serif;letter-spacing:.04em;
  cursor:pointer;z-index:2;display:inline-flex;align-items:center;gap:8px}
.csoprint:hover{background:#0d5f4a}
@media(max-width:520px){.csoprint{font-size:12.5px;padding:0 14px}}