:root {
  --bg: #0d0f13;
  --panel: #14171e;
  --panel-2: #1b1f29;
  --border: #262b37;
  --text: #e8e6df;
  --muted: #8b90a0;
  --gold: #e8b64c;
  --gold-2: #ffd77a;
  --purple: #7c5cff;
  --ok: #3ecf8e;
  --danger: #e5484d;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(1100px 520px at 12% -10%, #1c1f2b 0%, var(--bg) 58%);
  color: var(--text);
  line-height: 1.55;
  height: 100%;
  overflow: hidden;
}
.hidden { display: none !important; }

/* ============ Avatar = mascotte Nous Girl (bianco/nero) ============ */
.stage {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 16px 0 4px;
}
.avatar-wrap { position: relative; width: 150px; height: 134px; }
/* la mascotte Nous Girl è già bianco/nero: mostrata al naturale */
.avatar-wrap img, .lock-avatar img {
  width: 100%; height: 100%; object-fit: contain;
  filter: none;
  transition: filter .3s;
}
/* alone dorato dietro l'avatar */
.avatar-wrap::before, .lock-avatar::before {
  content: ""; position: absolute; inset: -8px; z-index: -1;
  background: radial-gradient(circle, rgba(232,182,76,.30), rgba(232,182,76,0) 68%);
  filter: blur(6px); border-radius: 50%;
}
.avatar-wrap.speaking::before, .lock-avatar.speaking::before { animation: halo 1.15s ease-out infinite; }
@keyframes halo {
  0%   { transform: scale(.92); opacity: .85; }
  70%  { transform: scale(1.25); opacity: 0; }
  100% { transform: scale(1.25); opacity: 0; }
}
.avatar-wrap.speaking img, .lock-avatar.speaking img {
  animation: avatarbob .5s ease-in-out infinite alternate;
  filter: drop-shadow(0 0 9px rgba(255,255,255,.4));
}
@keyframes avatarbob {
  from { transform: translateY(-1px); }
  to   { transform: translateY(-6px); }
}
.stage-name { color: var(--muted); font-size: 13px; letter-spacing: .05em; }

/* ============ Schermata di accesso ============ */
.lock { height: 100%; display: grid; place-items: center; padding: 20px; }
.lock-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 20px;
  padding: 36px 34px; width: min(380px, 100%); text-align: center;
  box-shadow: 0 24px 60px rgba(0,0,0,.45);
}
.lock-card .logo { margin: 0 auto 10px; }
.lock-avatar { width: 118px; height: 106px; }
.brand, .meta h1 { letter-spacing: -.02em; font-weight: 700; }
.brand { font-size: 30px; }
.meta h1 { font-size: 22px; }
.brand-name { color: var(--gold-2); }
.brand-gold { color: var(--gold); }
.tag { color: var(--muted); font-size: 13.5px; margin: 4px 0 22px; }
#lock-form { display: flex; flex-direction: column; gap: 12px; }
#lock-input {
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 10px;
  color: var(--text); padding: 13px 14px; font-size: 15px; text-align: center; outline: none;
  transition: border-color .15s, box-shadow .15s;
}
#lock-input:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(232,182,76,.15); }
.lock-msg { min-height: 20px; margin-top: 12px; font-size: 13px; color: var(--danger); }

/* ============ Layout chat ============ */
.app { height: 100%; display: flex; flex-direction: column; max-width: 900px; margin: 0 auto; }
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 14px 18px; border-bottom: 1px solid var(--border);
  background: rgba(20,23,30,.6); backdrop-filter: blur(8px);
}
.identity { display: flex; align-items: center; gap: 14px; }
.meta h1 { font-size: 22px; letter-spacing: -.01em; }
.status { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; color: var(--muted); }
#status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 0 rgba(62,207,142,.5); }
#status-dot.listening { background: var(--danger); animation: pulse 1.3s infinite; }
#status-dot.working { background: var(--gold); animation: pulse 1.1s infinite; }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(255,255,255,.35); }
  70% { box-shadow: 0 0 0 9px rgba(255,255,255,0); }
  100% { box-shadow: 0 0 0 0 rgba(255,255,255,0); }
}
.actions { display: flex; align-items: center; gap: 10px; }
.btn {
  border: none; border-radius: 10px; padding: 12px 16px; font-size: 14.5px; font-weight: 600;
  cursor: pointer; color: #101114; background: var(--gold);
  transition: filter .15s, transform .05s;
}
.btn:hover { filter: brightness(1.07); }
.btn:active { transform: translateY(1px); }
.ghost {
  border: 1px solid var(--border); background: transparent; color: var(--muted);
  border-radius: 10px; padding: 8px 12px; font-size: 13px; font-weight: 500; cursor: pointer; transition: all .15s;
}
.ghost:hover { color: var(--text); border-color: var(--gold); }
.mic {
  display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%;
  border: 1px solid var(--border); background: var(--panel-2); color: var(--text); cursor: pointer;
  transition: all .18s;
}
.mic:hover { border-color: var(--gold); color: var(--gold); }
.mic.off { color: var(--muted); border-color: var(--border); opacity: .65; }
.mic.off:hover { color: var(--muted); border-color: var(--border); }
.mic.active { background: var(--danger); border-color: var(--danger); color: #fff; box-shadow: 0 0 0 0 rgba(229,72,77,.5); animation: pulse 1.3s infinite; }

/* ============ Messaggi ============ */
.messages {
  flex: 1; overflow-y: auto; padding: 22px 18px; display: flex; flex-direction: column; gap: 12px;
}
.bubble { max-width: 78%; padding: 12px 15px; border-radius: 16px; font-size: 15px; white-space: pre-wrap; word-wrap: break-word; }
.bubble.bot {
  background: var(--panel); border: 1px solid var(--border);
  border-bottom-left-radius: 5px; align-self: flex-start;
}
.bubble.user {
  background: linear-gradient(135deg, #6b4eff, #4f7cff); color: #fff;
  border-bottom-right-radius: 5px; align-self: flex-end;
}
.bubble.welcome { background: rgba(124,92,255,.12); border-color: rgba(124,92,255,.35); }
.bubble.thinking { color: var(--muted); font-style: italic; }
.bubble.error { border-color: var(--danger); color: #ffb4b6; }
.bubble.mic-note { font-size: 12.5px; color: var(--muted); align-self: center; background: transparent; border: none; }
.bubble .typing {
  display: inline-flex; gap: 4px; align-items: center;
}
.bubble .typing i { width: 6px; height: 6px; border-radius: 50%; background: var(--muted); animation: blink 1.2s infinite; }
.bubble .typing i:nth-child(2){ animation-delay:.2s } .bubble .typing i:nth-child(3){ animation-delay:.4s }
@keyframes blink { 0%,80%,100%{opacity:.25} 40%{opacity:1} }

/* ============ Composer ============ */
.composer {
  display: flex; gap: 12px; align-items: flex-end; padding: 14px 18px 10px;
}
.composer-actions { display: flex; gap: 10px; align-items: center; }
.composer textarea {
  flex: 1; resize: none; background: var(--panel-2); border: 1px solid var(--border); border-radius: 14px;
  color: var(--text); padding: 13px 16px; font-size: 15px; font-family: inherit; outline: none;
  max-height: 150px; transition: border-color .15s;
}
.composer textarea:focus { border-color: var(--gold); }
.send {
  display: grid; place-items: center; width: 47px; height: 47px; border-radius: 50%;
  border: 1px solid rgba(232,182,76,.5); background: var(--panel-2); color: var(--gold);
  cursor: pointer; transition: border-color .15s, color .15s, transform .05s;
}
.send:hover { border-color: var(--gold); color: var(--gold-2); }
.send:active { transform: translateY(1px); }
.composer .mic { width: 47px; height: 47px; }
.hint { text-align: center; color: var(--muted); font-size: 11.5px; padding: 0 18px 12px; }
kbd { background: var(--panel-2); border: 1px solid var(--border); border-radius: 4px; padding: 1px 5px; font-family: inherit; }