:root{
  --fondo:#07080c; --nebbia:#0d1016; --testo:#e8edf7; --tenue:#7d8799;
  --vivo:#5bc8ff; --caldo:#ffb35b; --male:#ff6b6b;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; background:radial-gradient(1200px 800px at 50% 18%, #111726 0%, var(--fondo) 62%);
  color:var(--testo); font:16px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,system-ui,sans-serif;
  display:flex; align-items:center; justify-content:center; overflow:hidden;
}
.schermo{
  width:100%; min-height:100%; display:flex; flex-direction:column;
  align-items:center; justify-content:center; gap:26px; padding:32px 20px;
}
.nascosto{display:none !important}

/* ---- l'icona ---- */
.orb{position:relative; width:230px; height:230px; cursor:pointer; flex:0 0 auto}
.orb.piccolo{width:110px;height:110px;cursor:default}
.volto{
  position:absolute; inset:19%; width:62%; height:62%; border-radius:50%;
  object-fit:cover; user-select:none; -webkit-user-drag:none;
  box-shadow:0 0 0 1px rgba(255,255,255,.10), 0 10px 40px rgba(0,0,0,.55);
  transition:transform .35s ease, filter .5s ease;
}
.alone{
  position:absolute; inset:15%; border-radius:50%; pointer-events:none;
  box-shadow:0 0 40px 6px rgba(91,200,255,.20), inset 0 0 30px rgba(91,200,255,.10);
  transition:box-shadow .5s ease;
}
.anello{
  position:absolute; inset:2%; border-radius:50%;
  border:1px solid rgba(91,200,255,.28); opacity:0; transform:scale(.74);
}
.orb.acceso .anello{animation:onda 3s ease-out infinite}
.orb.acceso .a2{animation-delay:1s}
.orb.acceso .a3{animation-delay:2s}
@keyframes onda{0%{opacity:.65;transform:scale(.72)}100%{opacity:0;transform:scale(1.16)}}

/* in pausa: il volto e un po spento */
.orb:not(.acceso) .volto{filter:grayscale(.45) brightness(.82)}

/* ascolta: respiro lento e alone azzurro vivo */
.orb.ascolta .volto{animation:respiro 2.6s ease-in-out infinite}
.orb.ascolta .alone{box-shadow:0 0 60px 10px rgba(91,200,255,.34), inset 0 0 34px rgba(91,200,255,.16)}
@keyframes respiro{0%,100%{transform:scale(1)}50%{transform:scale(1.045)}}

/* pensa: alone caldo */
.orb.pensa .volto{animation:respiro 1.2s ease-in-out infinite; filter:saturate(1.05)}
.orb.pensa .alone{box-shadow:0 0 64px 12px rgba(255,179,91,.36), inset 0 0 34px rgba(255,179,91,.18)}
.orb.pensa .anello{border-color:rgba(255,179,91,.30)}

/* parla: pulsa deciso */
.orb.parla .volto{animation:voce .6s ease-in-out infinite}
.orb.parla .alone{box-shadow:0 0 78px 16px rgba(91,200,255,.50), inset 0 0 40px rgba(91,200,255,.20)}
@keyframes voce{0%,100%{transform:scale(1)}50%{transform:scale(1.055)}}

.stato{margin:0; color:var(--tenue); font-size:14px; letter-spacing:.06em; text-transform:lowercase; min-height:20px}

.dialogo{max-width:640px; width:100%; text-align:center; min-height:96px}
.mio{margin:0 0 10px; color:var(--tenue); font-size:15px}
.suo{margin:0; font-size:19px; line-height:1.55}

.piede{display:flex; align-items:center; gap:14px; position:fixed; bottom:22px}
.piatto{
  background:transparent; border:1px solid rgba(255,255,255,.14); color:var(--tenue);
  padding:7px 14px; border-radius:999px; font-size:13px; cursor:pointer;
}
.piatto:hover{color:var(--testo); border-color:rgba(255,255,255,.3)}
.tempo{color:#4d5565; font-size:12px; font-variant-numeric:tabular-nums}

/* ---- ingresso ---- */
#modulo-password{display:flex; flex-direction:column; align-items:center; gap:14px}
input[type=password]{
  background:var(--nebbia); border:1px solid rgba(255,255,255,.12); color:var(--testo);
  padding:12px 16px; border-radius:12px; font-size:16px; width:240px; text-align:center; outline:none;
}
input[type=password]:focus{border-color:var(--vivo)}
button[type=submit]{
  background:var(--vivo); border:0; color:#04121c; font-weight:600;
  padding:11px 26px; border-radius:999px; font-size:15px; cursor:pointer;
}
.errore{color:var(--male); font-size:14px; min-height:20px; margin:0}

@media (max-width:480px){ .orb{width:175px;height:175px} .suo{font-size:17px} }
@media (prefers-reduced-motion:reduce){ .nucleo,.anello{animation:none !important} }

/* ---- scrivere, quando il microfono non c'e o non serve ---- */
.scrivi{display:flex; gap:10px; width:100%; max-width:520px}
.scrivi input{
  flex:1; background:var(--nebbia); border:1px solid rgba(255,255,255,.12); color:var(--testo);
  padding:12px 16px; border-radius:999px; font-size:16px; outline:none;
}
.scrivi input:focus{border-color:var(--vivo)}