#backFxWrap,
#sceneWrap,
#frontFxWrap{
  position:fixed;
  inset:0;
  width:100vw;
  height:100vh;
  pointer-events:none;
  z-index:0;
}

#sceneWrap{ z-index:1; }
#frontFxWrap{ z-index:2; }

#backFxCanvas,
#frontFxCanvas{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  display:block;
}

.back-vignette{
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 50% 30%, transparent 0%, rgba(0,0,0,.05) 48%, rgba(0,0,0,.22) 100%),
    linear-gradient(180deg, rgba(4,6,13,0), rgba(4,6,13,.08));
}

.front-fade{
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 50% 50%, transparent 0%, transparent 60%, rgba(4,6,13,.05) 100%);
}

.page-transition{
  position:fixed;
  inset:0;
  z-index:9998;
  pointer-events:none;
  opacity:0;
  background:
    radial-gradient(circle at 50% 50%, rgba(255,255,255,.03), transparent 30%),
    radial-gradient(circle at 50% 50%, rgba(90,8,18,.08), transparent 42%),
    rgba(4,6,13,.94);
  transition:opacity .42s ease;
}

.page-transition.active{
  opacity:1;
}

#musicToggle{
  position:fixed;
  left:14px;
  bottom:14px;
  z-index:80;
  width:54px;
  height:54px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.10);
  background:radial-gradient(circle at 35% 30%, rgba(255,255,255,.08), transparent 45%), linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  color:#fff;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 12px 32px rgba(0,0,0,.20);
  font-size:22px;
  cursor:pointer;
}

#chatToggle{
  position:fixed;
  right:14px;
  bottom:14px;
  z-index:80;
  width:58px;
  height:58px;
  border-radius:18px;
  border:1px solid rgba(255,255,255,.10);
  background:linear-gradient(180deg, rgba(90,8,18,.14), rgba(255,255,255,.04));
  color:#fff;
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:0 16px 40px rgba(0,0,0,.22);
  cursor:pointer;
  display:grid;
  place-items:center;
}

#chatToggle svg{
  width:28px;
  height:28px;
  display:block;
}

#chatPanel{
  position:fixed;
  right:14px;
  bottom:84px;
  z-index:80;
  width:min(340px,calc(100vw - 20px));
  border-radius:26px;
  border:1px solid rgba(255,255,255,.10);
  background:linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.035));
  box-shadow:0 20px 50px rgba(0,0,0,.28);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  opacity:0;
  visibility:hidden;
  transform:translateY(18px) scale(.98);
  transition:opacity .28s ease, transform .28s ease, visibility .28s ease;
  overflow:hidden;
}

#chatPanel.open{
  opacity:1;
  visibility:visible;
  transform:translateY(0) scale(1);
}

.chat-head{
  padding:16px 16px 14px;
  border-bottom:1px solid rgba(255,255,255,.08);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}

.chat-head strong{
  font-size:15px;
}

.chat-close{
  border:none;
  background:transparent;
  color:#fff;
  font-size:20px;
  line-height:1;
  cursor:pointer;
}

.chat-body{
  padding:16px;
  display:grid;
  gap:12px;
}

.chat-bubble{
  padding:14px;
  border-radius:18px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.08);
  color:rgba(245,247,255,.78);
  line-height:1.75;
  font-size:14px;
}

.chat-actions{
  display:grid;
  gap:10px;
}

.chat-link{
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:48px;
  border-radius:16px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.06);
  color:#fff;
  font-weight:800;
}

::-webkit-scrollbar{
  width:8px;
}

::-webkit-scrollbar-track{
  background:#02040a;
}

::-webkit-scrollbar-thumb{
  background:rgba(255,255,255,.15);
  border-radius:20px;
}

::-webkit-scrollbar-thumb:hover{
  background:rgba(255,255,255,.25);
}