/* Stella: notte profonda, una sola luce ambra. La presenza è il centro di tutto. */
:root {
  --notte: #0B1226;
  --notte-2: #101A35;
  --superficie: #17233F;
  --superficie-alta: #203055;
  --bordo: #283A66;
  --testo: #EAEEF8;
  --attenuato: #93A0C2;
  --luce: #F5B04C;
  --luce-tenue: rgba(245, 176, 76, 0.16);
  --errore: #FF8A7A;
  --font: 'Sora', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'Cascadia Mono', Consolas, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  background: radial-gradient(120% 80% at 50% 0%, var(--notte-2) 0%, var(--notte) 60%);
  color: var(--testo);
  font: 400 16px/1.55 var(--font);
  -webkit-font-smoothing: antialiased;
}
[hidden] { display: none !important; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--luce); outline-offset: 2px; }

.marchio, .marchio-piccolo {
  font-weight: 300;
  letter-spacing: .32em;
  text-transform: uppercase;
}

/* ---------- Accesso ---------- */
.login {
  min-height: 100dvh;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 8px;
  padding: 24px;
}
.presenza-login { width: 220px; height: 220px; }
.marchio { font-size: 1.6rem; margin: 0 0 18px; padding-left: .32em; }
.login-form { display: grid; gap: 10px; width: min(320px, 86vw); }
.login-form label { color: var(--attenuato); font-size: .875rem; }
.login-form input, .campo select {
  background: var(--superficie);
  border: 1px solid var(--bordo);
  border-radius: 10px;
  padding: 12px 14px;
}
.errore { color: var(--errore); min-height: 1.5em; margin: 0; font-size: .9rem; }

.primario {
  background: var(--luce);
  color: #1B1405;
  border: 0;
  border-radius: 10px;
  padding: 12px 16px;
  font-weight: 600;
}
.secondario {
  background: transparent;
  border: 1px solid var(--bordo);
  border-radius: 10px;
  padding: 10px 14px;
}

/* ---------- Struttura ---------- */
.app {
  height: 100dvh;
  display: grid;
  grid-template-rows: auto auto 1fr;
}
.barra {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: calc(8px + env(safe-area-inset-top)) 10px 8px;
}
.titolo { display: grid; justify-items: center; line-height: 1.2; }
.marchio-piccolo { font-size: .95rem; padding-left: .32em; }
.stato { color: var(--attenuato); font-size: .78rem; min-height: 1.2em; }
.azioni { display: flex; gap: 2px; }
.icona {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  background: none; border: 0; border-radius: 10px;
  color: var(--attenuato);
}
.icona:hover { background: var(--superficie); color: var(--testo); }
.icona svg, .invia svg, .microfono svg {
  width: 22px; height: 22px;
  fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
}
.interruttore[aria-pressed="true"] { color: var(--luce); background: var(--luce-tenue); }

/* La scena con la presenza */
.scena { display: grid; justify-items: center; padding: 0 16px; }
.presenza-tocco {
  background: none; border: 0; padding: 0;
  border-radius: 50%;
  -webkit-tap-highlight-color: transparent;
}
.presenza { display: block; width: min(56vw, 30dvh, 300px); aspect-ratio: 1; }
.trascrizione {
  margin: 0;
  min-height: 1.5em;
  max-width: 40ch;
  text-align: center;
  color: var(--luce);
  font-size: .95rem;
  font-weight: 300;
}

/* Pannello ragionamenti */
.processi {
  width: 100%;
  max-width: 560px;
  margin: 6px 0 4px;
  border: 1px solid var(--bordo);
  border-radius: 12px;
  background: rgba(16, 26, 53, .6);
}
.processi summary {
  cursor: pointer;
  list-style: none;
  padding: 8px 12px;
  font-size: .8rem;
  color: var(--attenuato);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.processi summary::-webkit-details-marker { display: none; }
.processi summary::after { content: " +"; }
.processi[open] summary::after { content: " –"; }
.processi-lista {
  list-style: none;
  margin: 0;
  padding: 0 12px 10px;
  max-height: 22dvh;
  overflow-y: auto;
  font: 400 .76rem/1.5 var(--mono);
  color: var(--attenuato);
  display: grid;
  gap: 3px;
}
.processi-lista li { display: grid; grid-template-columns: 4.2em 1fr; gap: 8px; }
.processi-lista .ora { color: rgba(147, 160, 194, .6); }
.processi-lista .passo { color: var(--testo); }
.processi-lista .fatto { color: var(--luce); }
.processi-lista .pensiero {
  display: block;
  grid-column: 1 / -1;
  white-space: pre-wrap;
  border-left: 1px solid var(--luce-tenue);
  padding-left: 10px;
  color: rgba(147, 160, 194, .85);
  font-style: italic;
}
.processi-lista .vuoto { grid-column: 1 / -1; }

/* Dialogo */
.dialogo {
  min-height: 0;
  display: grid;
  grid-template-rows: 1fr auto;
  width: 100%;
  max-width: 820px;
  justify-self: center;
}
.messaggi {
  overflow-y: auto;
  padding: 12px 16px 8px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.vuoto-chat {
  margin: auto;
  text-align: center;
  color: var(--attenuato);
  max-width: 30ch;
  font-size: .95rem;
}
.vuoto-chat strong { display: block; color: var(--testo); font-weight: 400; font-size: 1.15rem; margin-bottom: 4px; }

.msg { max-width: 72ch; overflow-wrap: anywhere; }
.msg p { margin: 0 0 .7em; }
.msg p:last-child { margin-bottom: 0; }
.msg code { background: var(--superficie-alta); border-radius: 4px; padding: 1px 5px; font-size: .9em; }
.msg.utente {
  align-self: flex-end;
  background: var(--superficie);
  border: 1px solid var(--bordo);
  border-radius: 16px 16px 4px 16px;
  padding: 9px 14px;
  max-width: 85%;
}
.msg.utente.vocale::before {
  content: "🎙 ";
  font-size: .8em;
  opacity: .6;
}
.msg.assistente { align-self: flex-start; padding-left: 14px; border-left: 2px solid var(--luce-tenue); }
.msg.assistente.errore-msg { border-left-color: var(--errore); color: var(--errore); }
.attivita { list-style: none; margin: 0 0 6px; padding: 0; display: grid; gap: 3px; }
.attivita li { color: var(--attenuato); font-size: .82rem; display: flex; gap: 8px; align-items: baseline; }
.attivita li::before {
  content: ""; flex: none; width: 6px; height: 6px; border-radius: 50%;
  background: var(--luce); transform: translateY(-1px);
}
.attivita li.in-corso::before { animation: lampeggio 1s ease-in-out infinite; }
@keyframes lampeggio { 50% { opacity: .25; } }

/* Invio */
.invio {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 8px 12px calc(10px + env(safe-area-inset-bottom));
}
.invio textarea {
  flex: 1;
  resize: none;
  max-height: 160px;
  background: var(--superficie);
  border: 1px solid var(--bordo);
  border-radius: 14px;
  padding: 11px 14px;
  line-height: 1.4;
}
.invio textarea:focus { border-color: var(--luce); outline: none; }
.invia, .microfono {
  width: 46px; height: 46px; flex: none;
  display: grid; place-items: center;
  border-radius: 50%;
}
.invia { border: 0; background: var(--luce); color: #1B1405; }
.invia:disabled { opacity: .45; cursor: default; }
.microfono { background: var(--superficie); border: 1px solid var(--bordo); color: var(--testo); }
.microfono.attivo { background: var(--luce); border-color: var(--luce); color: #1B1405; animation: lampeggio 1.2s ease-in-out infinite; }

/* Schermi larghi: presenza e ragionamenti a sinistra, dialogo a destra */
@media (min-width: 900px) {
  .app {
    grid-template-columns: minmax(340px, 40%) 1fr;
    grid-template-rows: auto 1fr;
  }
  .barra { grid-column: 1 / -1; padding-inline: 16px; }
  .scena { align-content: start; padding: 12px 24px; border-right: 1px solid var(--bordo); min-height: 0; overflow: hidden; }
  .presenza { width: min(30vw, 46dvh, 380px); }
  .processi-lista { max-height: 34dvh; }
  .dialogo { max-width: none; padding: 0 3vw; }
}

@media (prefers-reduced-motion: reduce) {
  .attivita li.in-corso::before, .microfono.attivo { animation: none; }
}

/* ---------- Menu laterale ---------- */
.menu { position: fixed; inset: 0; z-index: 10; }
.velo { position: absolute; inset: 0; background: rgba(4, 7, 16, .65); }
.menu-pannello {
  position: absolute;
  inset: 0 auto 0 0;
  width: min(84vw, 330px);
  background: var(--notte);
  border-right: 1px solid var(--bordo);
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: calc(16px + env(safe-area-inset-top)) 14px calc(16px + env(safe-area-inset-bottom));
  animation: entra .2s ease-out;
}
@keyframes entra { from { transform: translateX(-100%); } }
@media (prefers-reduced-motion: reduce) { .menu-pannello { animation: none; } }
.menu-pannello h2 { font-size: .85rem; font-weight: 500; color: var(--attenuato); margin: 8px 4px 0; }
.lista-conv { list-style: none; margin: 0; padding: 0; overflow-y: auto; flex: 1; display: grid; align-content: start; gap: 2px; }
.lista-conv li { display: flex; align-items: center; border-radius: 10px; }
.lista-conv li.attiva { background: var(--superficie); }
.lista-conv .apri {
  flex: 1; min-width: 0; text-align: left;
  background: none; border: 0; padding: 10px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.lista-conv .elimina, .lista-mem .elimina {
  background: none; border: 0; color: var(--attenuato);
  padding: 8px 10px; font-size: .85rem;
}
.lista-conv .elimina:hover, .lista-mem .elimina:hover { color: var(--errore); }
.spesa { color: var(--attenuato); font-size: .8rem; margin: 0 4px; }
.menu-piede { display: flex; gap: 8px; }
.menu-piede button { flex: 1; }

/* ---------- Finestre (memoria, impostazioni) ---------- */
.finestra {
  width: min(560px, 92vw);
  max-height: 84dvh;
  background: var(--notte);
  color: var(--testo);
  border: 1px solid var(--bordo);
  border-radius: 16px;
  padding: 20px;
}
.finestra::backdrop { background: rgba(4, 7, 16, .7); }
.finestra h2 { margin: 0 0 6px; font-weight: 500; font-size: 1.2rem; }
.nota { color: var(--attenuato); font-size: .88rem; margin: 0 0 14px; }
.nota strong { color: var(--testo); font-weight: 500; }
.avviso { color: var(--luce); }
.campo { display: grid; gap: 6px; margin-bottom: 14px; min-width: 0; }
.campo select { width: 100%; min-width: 0; text-overflow: ellipsis; }
.campo label { color: var(--attenuato); font-size: .875rem; display: flex; justify-content: space-between; }
.campo input[type="range"] { accent-color: var(--luce); }
.spunta { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 12px; font-size: .92rem; }
.spunta input { accent-color: var(--luce); margin-top: 4px; }
.riga-bottoni { display: flex; justify-content: space-between; gap: 8px; margin-top: 8px; }
.riga-bottoni form { margin: 0; }
.lista-mem { list-style: none; padding: 0; margin: 0 0 16px; display: grid; gap: 8px; }
.lista-mem li {
  display: flex; gap: 10px; align-items: flex-start;
  background: var(--superficie); border-radius: 10px;
  padding: 10px 4px 10px 12px;
}
.lista-mem .cat { color: var(--luce); font-size: .78rem; display: block; }
.lista-mem .testo-mem { flex: 1; }