:root {
  --fondo: #070814;
  --pannello: #11132a;
  --bordo: #262a52;
  --testo: #e8e9ff;
  --tenue: #9a9cc8;
  --blu: #4c7dff;
  --viola: #9b5cff;
  --lavanda: #c9b8ff;
  --ambra: #ffb347;
  --rosso: #ff5a6e;
  --verde: #47d6a0;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; background: var(--fondo); color: var(--testo); }
body {
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 24px 16px calc(24px + env(safe-area-inset-bottom));
}
main { width: 100%; max-width: 420px; display: grid; gap: 16px; text-align: center; }
h1 { margin: 0; font-weight: 300; letter-spacing: .4em; text-transform: uppercase; color: var(--lavanda); }
h2 { margin: 8px 0 0; font-size: 14px; font-weight: 500; color: var(--tenue); text-align: left; }
section { display: grid; gap: 12px; }

.nucleo { position: relative; width: 140px; height: 140px; margin: 8px auto 0; }
.nucleo span {
  position: absolute; inset: 0; border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, var(--blu), transparent 60%),
              radial-gradient(circle at 65% 65%, var(--viola), transparent 60%);
  filter: blur(12px); opacity: .75;
  animation: respiro 6s ease-in-out infinite;
}
.nucleo span:nth-child(2) { animation-delay: -2s; transform: scale(.8); background: radial-gradient(circle, var(--lavanda), transparent 65%); }
.nucleo span:nth-child(3) { animation-delay: -4s; inset: 30%; background: radial-gradient(circle, var(--ambra), transparent 70%); opacity: .35; }
@keyframes respiro { 0%, 100% { transform: scale(.92); } 50% { transform: scale(1.06); } }
@media (prefers-reduced-motion: reduce) { .nucleo span { animation: none; } }

button {
  font: inherit; border-radius: 14px; padding: 14px 18px; cursor: pointer;
  border: 1px solid var(--bordo); background: var(--pannello); color: var(--testo);
}
button.primario { border: 0; background: linear-gradient(135deg, var(--blu), var(--viola)); font-weight: 600; }
button.secondario { background: transparent; color: var(--tenue); }
button.pericolo { border-color: var(--rosso); color: var(--rosso); background: transparent; font-weight: 600; }
button:focus-visible, input:focus-visible { outline: 2px solid var(--lavanda); outline-offset: 2px; }

form { display: grid; gap: 12px; text-align: left; }
label { display: grid; gap: 6px; font-size: 14px; color: var(--tenue); }
input {
  font: inherit; padding: 12px 14px; border-radius: 12px; width: 100%;
  border: 1px solid var(--bordo); background: var(--pannello); color: var(--testo);
}

.saluto { margin: 0; color: var(--tenue); }
.tessere { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.tessera { background: var(--pannello); border: 1px solid var(--bordo); border-radius: 14px; padding: 14px; text-align: left; }
.tessera small { display: block; color: var(--tenue); font-size: 12px; }
.tessera strong { font-size: 17px; font-weight: 600; }
.ok { color: var(--verde); }
.attenzione { color: var(--ambra); }

ol { list-style: none; margin: 0; padding: 0; text-align: left; font-size: 14px; color: var(--tenue);
  background: var(--pannello); border: 1px solid var(--bordo); border-radius: 14px; }
ol li { padding: 8px 14px; border-top: 1px solid var(--bordo); overflow-wrap: anywhere; }
ol li:first-child { border-top: 0; }

#messaggio { min-height: 1.5em; margin: 0; color: var(--lavanda); }
#messaggio.errore { color: var(--rosso); }

/* Pagine di solo testo (informativa sulla privacy). */
.documento { text-align: left; }
.documento h1 { text-align: center; }
.documento h2 { margin-top: 0; font-size: 18px; color: var(--testo); }
.documento p { margin: 0; color: var(--tenue); }
.documento .nota { font-size: 13px; }
.documento a { color: var(--lavanda); }