@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@300;400;600;700&family=Exo+2:wght@200;300;400&display=swap');

*{margin:0;padding:0;box-sizing:border-box}
:root{
  --neon:#3AA8FF;
  --gold:#FFB840;
  --font-hud:'Orbitron',monospace;
  --font-body:'Exo 2',sans-serif;
}
html,body{
  width:100%;height:100%;
  background:#000206;
  overflow:hidden;
  font-family:var(--font-body);
  color:rgba(170,210,255,0.7);
}

/* Deep void */
.void{
  position:fixed;inset:0;z-index:0;
  background:radial-gradient(ellipse 60% 55% at 50% 46%,#001028 0%,#000308 65%,#000206 100%);
}
#stars{position:fixed;inset:0;z-index:1;width:100%;height:100%;pointer-events:none;}

/* Shell */
.shell{
  position:relative;z-index:2;
  width:100%;height:100vh;
  display:flex;flex-direction:column;align-items:center;
  justify-content:space-between;
  padding:20px 24px 16px;
}

/* ── LOGO centered top ─────────────────────────────── */
.logo-wrap{
  width:100%;display:flex;justify-content:center;
  padding-top:6px;
  position:relative;z-index:5;
}
.logo{
  height:62px;width:auto;max-width:88%;
  object-fit:contain;
  filter:drop-shadow(0 0 24px rgba(58,168,255,0.35));
  /* blend into the dark page — multiply removes the black box */
  mix-blend-mode:screen;
}

/* ── BRAIN STAGE ───────────────────────────────────── */
.brain-stage{
  flex:1;
  display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  position:relative;width:100%;
  margin-top:-6px;
}
.brain-halo{
  position:absolute;
  width:440px;height:440px;border-radius:50%;
  background:radial-gradient(circle,rgba(40,140,255,0.18) 0%,rgba(20,90,220,0.06) 45%,transparent 70%);
  filter:blur(20px);
  animation:halo-breathe 4s ease-in-out infinite;
  z-index:1;
}
@keyframes halo-breathe{
  0%,100%{transform:scale(1);opacity:.6}
  50%{transform:scale(1.12);opacity:1}
}
.brain-halo.listen{background:radial-gradient(circle,rgba(0,200,255,0.3) 0%,rgba(0,140,255,0.1) 45%,transparent 70%);animation-duration:1.4s;}
.brain-halo.speak{background:radial-gradient(circle,rgba(150,90,255,0.28) 0%,rgba(110,50,230,0.1) 45%,transparent 70%);animation-duration:1s;}
.brain-halo.think{background:radial-gradient(circle,rgba(255,184,64,0.18) 0%,rgba(220,140,30,0.06) 45%,transparent 70%);animation-duration:2s;}

.brain-holder{
  position:relative;z-index:2;
  width:min(420px,80vw);
  height:min(480px,52vh);
  display:flex;align-items:center;justify-content:center;
  animation:brain-float 5s ease-in-out infinite;
}
@keyframes brain-float{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-16px)}
}
.brain-img,.brain-vid{
  position:absolute;
  width:100%;height:100%;
  object-fit:contain;
  transition:opacity .8s ease;
}
.brain-img{
  opacity:1;
  filter:drop-shadow(0 0 30px rgba(40,150,255,0.5)) drop-shadow(0 0 70px rgba(20,100,255,0.25));
  animation:brain-glow 3s ease-in-out infinite;
}
@keyframes brain-glow{
  0%,100%{filter:drop-shadow(0 0 28px rgba(40,150,255,0.45)) drop-shadow(0 0 60px rgba(20,100,255,0.2));}
  50%{filter:drop-shadow(0 0 50px rgba(60,180,255,0.8)) drop-shadow(0 0 110px rgba(30,120,255,0.4));}
}
.brain-vid{
  opacity:0;
  border-radius:50%;
  filter:drop-shadow(0 0 50px rgba(60,180,255,0.7));
}
/* When active, show video, hide still */
.brain-holder.active .brain-img{opacity:0;}
.brain-holder.active .brain-vid{opacity:1;}
/* State-specific glow on the holder */
.brain-holder.listen{animation:brain-float 2.5s ease-in-out infinite;}
.brain-holder.speak .brain-vid{filter:drop-shadow(0 0 60px rgba(150,90,255,0.7)) hue-rotate(40deg);}

/* State label */
.state-label{
  position:absolute;bottom:-6px;
  font-family:var(--font-hud);font-size:9px;letter-spacing:5px;
  color:rgba(58,168,255,0.4);text-transform:uppercase;
  z-index:3;
  transition:color .4s;
}
.state-label.listen{color:rgba(0,210,255,0.8);}
.state-label.speak{color:rgba(160,100,255,0.8);}
.state-label.think{color:rgba(255,184,64,0.7);}

/* ── RESPONSE ──────────────────────────────────────── */
.response-wrap{
  width:100%;max-width:640px;
  display:flex;justify-content:center;
  min-height:56px;padding:0 10px;
  position:relative;z-index:5;
}
.response-text{
  font-family:var(--font-body);
  font-size:14px;font-weight:300;line-height:1.75;
  color:rgba(190,225,255,0.78);
  text-align:center;font-style:italic;letter-spacing:.4px;
  text-shadow:0 0 22px rgba(40,150,255,0.2);
  transition:opacity .5s;
}

/* ── BOTTOM ────────────────────────────────────────── */
.bottom{
  width:100%;max-width:660px;
  display:flex;flex-direction:column;align-items:center;gap:9px;
  position:relative;z-index:5;
}
.lang-row{display:flex;gap:8px;}
.lc{background:transparent;border:none;font-size:18px;cursor:pointer;opacity:.3;transition:opacity .2s;padding:2px 4px;}
.lc.active,.lc:hover{opacity:1;}

.input-row{width:100%;display:flex;align-items:center;gap:10px;}
.mic{
  flex-shrink:0;width:56px;height:56px;border-radius:50%;
  background:rgba(40,150,255,0.05);
  border:1.5px solid rgba(58,168,255,0.25);
  cursor:pointer;outline:none;
  display:flex;align-items:center;justify-content:center;font-size:23px;
  position:relative;transition:all .3s;
  animation:mic-breathe 4s ease-in-out infinite;
}
@keyframes mic-breathe{0%,100%{box-shadow:0 0 14px rgba(40,150,255,0.08)}50%{box-shadow:0 0 26px rgba(40,150,255,0.2)}}
.mic::before{content:'';position:absolute;inset:-10px;border-radius:50%;border:1px solid rgba(58,168,255,0.08);animation:mic-ring 4s ease-out infinite;}
@keyframes mic-ring{0%{opacity:.5;transform:scale(.85)}100%{opacity:0;transform:scale(1.35)}}
.mic:hover{background:rgba(40,150,255,0.12);border-color:rgba(58,168,255,0.5);box-shadow:0 0 30px rgba(40,150,255,0.25);}
.mic.on{background:rgba(0,200,255,0.12);border-color:#00C8FF;animation:mic-on .9s ease-in-out infinite;}
@keyframes mic-on{0%,100%{box-shadow:0 0 20px rgba(0,200,255,0.4)}50%{box-shadow:0 0 44px rgba(0,220,255,0.8),0 0 80px rgba(0,200,255,0.3)}}
.mic.speak{border-color:rgba(150,90,255,0.7);animation:mic-speak .8s ease-in-out infinite;}
@keyframes mic-speak{0%,100%{box-shadow:0 0 20px rgba(120,60,255,0.4)}50%{box-shadow:0 0 50px rgba(170,100,255,0.8)}}

.type-bar{
  flex:1;height:50px;
  background:rgba(40,150,255,0.04);
  border:1px solid rgba(58,168,255,0.16);
  border-radius:25px;padding:0 22px;
  color:rgba(200,230,255,0.9);
  font-family:var(--font-body);font-size:13px;letter-spacing:.3px;
  outline:none;transition:border-color .25s,box-shadow .25s;
}
.type-bar::placeholder{color:rgba(58,168,255,0.28);}
.type-bar:focus{border-color:rgba(58,168,255,0.4);box-shadow:0 0 22px rgba(40,150,255,0.1);}

.send{
  flex-shrink:0;width:44px;height:44px;border-radius:50%;
  background:rgba(40,150,255,0.08);border:1px solid rgba(58,168,255,0.2);
  color:var(--neon);font-size:16px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:all .2s;
}
.send:hover{background:rgba(40,150,255,0.16);border-color:var(--neon);}

.transcript{font-size:11px;color:rgba(58,168,255,0.45);font-style:italic;min-height:16px;text-align:center;letter-spacing:.3px;}

.key-row{
  display:flex;align-items:center;gap:5px;flex-wrap:wrap;justify-content:center;
  padding-top:3px;border-top:1px solid rgba(58,168,255,0.05);width:100%;
}
.key-in{
  flex:1;min-width:150px;max-width:210px;height:30px;
  background:rgba(40,150,255,0.03);border:1px solid rgba(58,168,255,0.1);
  border-radius:6px;padding:0 10px;color:rgba(200,230,255,0.7);font-size:10px;outline:none;
}
.key-in::placeholder{color:rgba(58,168,255,0.2);}
.key-in:focus{border-color:rgba(58,168,255,0.3);}
.key-btn{
  height:30px;padding:0 11px;background:rgba(40,150,255,0.07);
  border:1px solid rgba(58,168,255,0.15);border-radius:6px;
  font-family:var(--font-hud);font-size:8px;letter-spacing:1px;
  color:var(--neon);cursor:pointer;white-space:nowrap;transition:all .2s;
}
.key-btn:hover{background:rgba(40,150,255,0.14);}
.key-st{font-family:var(--font-hud);font-size:8px;letter-spacing:.5px;color:rgba(0,255,136,0.6);}

@media(max-width:600px){
  .shell{padding:14px 14px 12px;}
  .logo{height:46px;}
  .brain-holder{width:88vw;height:46vh;}
  .response-text{font-size:12px;}
  .type-bar{font-size:11px;padding:0 16px;}
}