:root{
  --accent:#7c5cff;
  --accent2:#2fdcff;
  --text:#cfd6ff;
}

*{box-sizing:border-box;margin:0;padding:0}

body{
  height:100vh;
  background:radial-gradient(circle at top,#0b0f2a,#05060d);
  font-family:system-ui,sans-serif;
  color:var(--text);
  overflow:hidden;
}



.app{
  display:flex;
  height:100%;
}

.sidebar{
  width:64px;
  background:rgba(10,12,30,.85);
  border-right:1px solid rgba(255,255,255,.05);
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  padding:12px 0;
}

.nav-group{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:14px;
}

.nav-btn{
  width:42px;
  height:42px;
  border-radius:12px;
  background:transparent;
  border:1px solid rgba(255,255,255,.1);
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--text);
  transition:.2s;
}

.nav-btn svg{
  width:20px;
  height:20px;
  fill:currentColor;
}

.nav-btn:hover{
  background:rgba(124,92,255,.15);
  box-shadow:0 0 12px rgba(124,92,255,.6);
  color:#fff;
}

.main{
  flex:1;
  position:relative;
}

.home{
  position:absolute;
  inset:0;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  text-align:center;
}

.logo{
  width:96px;
  height:96px;
  border-radius:50%;
  border:2px solid var(--accent);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--accent2);
  box-shadow:
    0 0 25px rgba(124,92,255,.7),
    inset 0 0 20px rgba(47,220,255,.25);
  margin-bottom:22px;
}

.logo img{
  width:80px;
  height:80px;
  fill:none;
  stroke:currentColor;
  stroke-width:3;
  filter:drop-shadow(0 0 10px rgba(47,220,255,.9));
}

.title{
  font-size:44px;
  letter-spacing:4px;
  color:var(--accent);
}

.subtitle{
  margin-top:12px;
  color:var(--accent2);
  font-size:14px;
}


iframe,
#htmlContainer{
  width:100%;
  height:100%;
  border:none;
  display:none;
  background:#000;
}

#htmlContainer{
  overflow:auto;
}