/* NEON — 03 Tela. Vetro sopra il canvas, nero sotto. */
:root{
  --fondo:#050507;
  --carta:#f3f3ee;
  --tenue:rgba(243,243,238,.52);
  --filo:rgba(243,243,238,.16);
  --tinta:#38e8ff;
  --mono:"Plex Mono",ui-monospace,monospace;
  --sans:"Space Grotesk",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html,body{height:100%}
body{
  margin:0;overflow:hidden;background:var(--fondo);color:var(--carta);
  font-family:var(--sans);-webkit-font-smoothing:antialiased;
}
h1,p{margin:0}
a{color:inherit}
button{font:inherit;color:inherit}
:focus-visible{outline:1px solid var(--tinta);outline-offset:3px}

#campo{
  position:fixed;inset:0;width:100vw;height:100dvh;display:block;
  background:radial-gradient(80% 60% at 50% 40%,#0b0b12,#050507 70%);
  cursor:none;touch-action:none;
}
.nucleo{
  position:fixed;left:0;top:0;width:440px;height:440px;margin:-220px 0 0 -220px;z-index:1;
  border-radius:50%;pointer-events:none;mix-blend-mode:screen;opacity:.55;
  background:radial-gradient(circle,color-mix(in srgb,var(--tinta) 26%,transparent) 0%,
    color-mix(in srgb,var(--tinta) 8%,transparent) 42%,transparent 70%);
  transition:opacity .5s ease;will-change:transform;
}
.nucleo.spento{opacity:0}
.velo{
  position:fixed;inset:0;z-index:2;pointer-events:none;
  background:
    radial-gradient(120% 90% at 50% 46%,transparent 48%,rgba(0,0,0,.55) 100%),
    repeating-linear-gradient(to bottom,rgba(0,0,0,.16) 0 1px,transparent 1px 3px);
  opacity:.75;
}

/* ---------- testata ---------- */
.testa{
  position:fixed;left:0;right:0;top:0;z-index:10;display:flex;align-items:flex-start;gap:20px;
  padding:20px 24px;pointer-events:none;
}
.testa > *{pointer-events:auto}
.marchio{display:flex;align-items:center;gap:10px;text-decoration:none;flex:none;padding-top:4px}
.marchio-segno{
  display:grid;place-items:center;width:28px;height:28px;border:1px solid var(--tinta);
  color:var(--tinta);font-family:var(--mono);font-size:13px;font-weight:600;
  box-shadow:0 0 18px color-mix(in srgb,var(--tinta) 30%,transparent);
  background:rgba(5,5,7,.5);backdrop-filter:blur(6px);
}
.marchio-parola{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;color:var(--tenue);
  text-transform:uppercase}
.marchio-parola span{color:var(--tinta)}
.titolo{max-width:520px}
.titolo h1{font-family:var(--sans);font-weight:400;font-size:clamp(26px,3.6vw,44px);line-height:1;
  letter-spacing:-.03em}
.titolo p{margin-top:6px;font-size:12px;line-height:1.5;color:var(--tenue);max-width:42ch}
.azioni{margin-left:auto;display:flex;flex-wrap:wrap;gap:6px;justify-content:flex-end}
.azioni button{
  background:rgba(9,9,13,.55);border:1px solid var(--filo);color:var(--carta);
  font-family:var(--mono);font-size:9px;letter-spacing:.14em;text-transform:uppercase;
  padding:8px 11px;cursor:pointer;backdrop-filter:blur(10px);transition:border-color .18s,color .18s;
}
.azioni button:hover{border-color:var(--tinta);color:var(--tinta)}
.azioni button[aria-pressed="true"]{border-color:var(--tinta);color:var(--tinta);background:rgba(9,9,13,.8)}

/* ---------- pannello ---------- */
.comandi{
  position:fixed;left:22px;bottom:22px;z-index:10;width:296px;padding:13px;
  background:rgba(8,8,12,.66);border:1px solid var(--filo);backdrop-filter:blur(18px);
  display:flex;flex-direction:column;gap:9px;box-shadow:0 24px 60px rgba(0,0,0,.5);
}
.comandi-testa{display:flex;align-items:center;justify-content:space-between;
  font-family:var(--mono);font-size:9px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--tenue);margin-bottom:2px}
.comandi-testa .mono{color:var(--tinta);letter-spacing:.1em}
.comandi-etichetta{font-family:var(--mono);font-size:8.5px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--tenue);margin-top:4px}
.controllo{display:flex;flex-direction:column;gap:4px}
.controllo-nome{display:flex;justify-content:space-between;font-family:var(--mono);font-size:9.5px;
  letter-spacing:.06em;color:var(--tenue)}
.controllo output{color:var(--carta);font-variant-numeric:tabular-nums}
.controllo input[type="range"]{-webkit-appearance:none;appearance:none;width:100%;height:16px;
  background:transparent;cursor:pointer}
.controllo input[type="range"]::-webkit-slider-runnable-track{height:2px;
  background:linear-gradient(90deg,var(--tinta),rgba(243,243,238,.12))}
.controllo input[type="range"]::-moz-range-track{height:2px;background:rgba(243,243,238,.2)}
.controllo input[type="range"]::-webkit-slider-thumb{-webkit-appearance:none;width:9px;height:13px;
  background:var(--carta);border:1px solid #050507;margin-top:-6px}
.controllo input[type="range"]::-moz-range-thumb{width:9px;height:13px;background:var(--carta);
  border:1px solid #050507;border-radius:0}

.tavolozze{display:grid;grid-template-columns:1fr 1fr;gap:5px;margin-top:2px}
.tav{display:flex;align-items:center;gap:6px;background:rgba(243,243,238,.03);
  border:1px solid var(--filo);padding:6px 7px;cursor:pointer;font-family:var(--mono);font-size:8.5px;
  letter-spacing:.1em;text-transform:uppercase;color:var(--tenue);transition:border-color .15s,color .15s}
.tav span{width:16px;height:10px;flex:none;border:1px solid rgba(0,0,0,.3)}
.tp-nebbia span{background:linear-gradient(90deg,#38e8ff,#52ffa8)}
.tp-magma span{background:linear-gradient(90deg,#ff2d9b,#ffb347)}
.tp-ghiaccio span{background:linear-gradient(90deg,#9fd6ff,#5f8cff)}
.tp-oro span{background:linear-gradient(90deg,#ffd166,#ff9f1c)}
.tav:hover{color:var(--carta);border-color:rgba(243,243,238,.3)}
.tav[aria-checked="true"]{border-color:var(--tinta);color:var(--carta);
  background:color-mix(in srgb,var(--tinta) 12%,transparent)}

.comandi-riga{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:4px}
.interruttore{display:inline-flex;align-items:center;gap:7px;cursor:pointer;font-family:var(--mono);
  font-size:9px;letter-spacing:.1em;text-transform:uppercase;color:var(--tenue);user-select:none}
.interruttore input{position:absolute;opacity:0;width:1px;height:1px}
.leva{position:relative;width:26px;height:13px;border:1px solid var(--filo);background:rgba(243,243,238,.04);
  flex:none;transition:background .2s,border-color .2s}
.leva::after{content:"";position:absolute;left:1px;top:1px;width:9px;height:9px;
  background:var(--tenue);transition:transform .2s,background .2s}
.interruttore input:checked + .leva{border-color:var(--tinta);background:color-mix(in srgb,var(--tinta) 16%,transparent)}
.interruttore input:checked + .leva::after{transform:translateX(13px);background:var(--tinta);
  box-shadow:0 0 8px var(--tinta)}
.interruttore input:focus-visible + .leva{outline:1px solid var(--tinta);outline-offset:2px}
.microfono{background:rgba(243,243,238,.04);border:1px solid var(--filo);cursor:pointer;
  font-family:var(--mono);font-size:8.5px;letter-spacing:.12em;text-transform:uppercase;
  padding:6px 9px;color:var(--tenue);transition:border-color .15s,color .15s}
.microfono:hover{border-color:var(--tinta);color:var(--tinta)}
.microfono[aria-pressed="true"]{border-color:var(--tinta);color:var(--tinta)}
.audio-nota{font-family:var(--mono);font-size:9px;line-height:1.5;color:#ffb347;letter-spacing:.02em}

/* ---------- letture ---------- */
.letture{
  position:fixed;right:24px;bottom:22px;z-index:10;display:flex;align-items:center;gap:16px;
  font-family:var(--mono);font-size:9px;letter-spacing:.12em;text-transform:uppercase;color:var(--tenue);
  pointer-events:none;
}
.letture b{color:var(--carta);font-weight:400;font-variant-numeric:tabular-nums}
.nav-pagine{display:flex;gap:14px;pointer-events:auto;margin-left:6px}
.nav-pagine a{text-decoration:none;color:var(--tenue);border-bottom:1px solid transparent;padding-bottom:2px}
.nav-pagine a:hover{color:var(--tinta);border-bottom-color:var(--tinta)}

/* ---------- cursore ---------- */
.cursore{
  position:fixed;left:0;top:0;z-index:30;width:20px;height:20px;margin:-10px 0 0 -10px;
  border:1px solid var(--tinta);border-radius:50%;pointer-events:none;opacity:0;
  transition:opacity .2s,width .15s,height .15s,margin .15s;
  mix-blend-mode:screen;
}
.cursore::before,.cursore::after{content:"";position:absolute;background:var(--tinta)}
.cursore::before{left:9px;top:-4px;width:1px;height:5px}
.cursore::after{left:-4px;top:9px;width:5px;height:1px}
.cursore.visibile{opacity:.9}
.cursore.premuto{width:34px;height:34px;margin:-17px 0 0 -17px;opacity:.6}

/* ---------- messaggio ---------- */
.messaggio{
  position:fixed;left:50%;bottom:22px;transform:translateX(-50%);z-index:20;
  background:rgba(8,8,12,.8);border:1px solid var(--filo);backdrop-filter:blur(12px);
  padding:8px 12px;font-family:var(--mono);font-size:9.5px;letter-spacing:.06em;color:var(--carta);
  max-width:min(520px,88vw);animation:entra .2s ease-out;
}
@keyframes entra{from{opacity:0;transform:translate(-50%,6px)}}

@media (max-width:900px){
  .letture{bottom:auto;top:auto;right:22px;bottom:calc(22px + 296px);flex-direction:column;align-items:flex-end;gap:4px}
  .nav-pagine{display:none}
}
@media (max-width:760px){
  .testa{flex-wrap:wrap;padding:14px 14px 0;gap:10px}
  .titolo{order:3;width:100%;max-width:none}
  .titolo h1{font-size:30px}
  .titolo p{display:none}
  .azioni{margin-left:auto}
  .azioni button{padding:7px 9px;font-size:8.5px}
  .comandi{left:10px;right:10px;bottom:10px;width:auto;max-height:52dvh;overflow:auto;
    padding:11px;gap:7px}
  .letture{display:none}
  .messaggio{bottom:calc(10px + 40dvh)}
}
@media (max-width:460px){
  .marchio-parola{display:none}
  .azioni button:nth-child(2){display:none}
  .controllo-nome{font-size:9px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms!important;animation-duration:.001ms!important}
}