*{
  margin:0;
  padding:0;
  box-sizing:border-box;
  font-family:'Montserrat',sans-serif;
}

body{
  min-height:100vh;
  background:#020617;
  color:white;
  overflow-x:hidden;
}

canvas{
  position:fixed;
  inset:0;
  z-index:-1;
}

.container{
  display:flex;
  justify-content:center;
  align-items:center;
  min-height:100vh;
  padding:40px;
}

.card{
  background:rgba(15,23,42,.88);
  border:1px solid rgba(56,189,248,.3);
  border-radius:20px;
  padding:40px;
  max-width:900px;
  width:100%;
  box-shadow:0 0 40px rgba(56,189,248,.25);
  transition:.2s;
  will-change:transform;
}

h1{
  text-align:center;
  margin-bottom:10px;
  color:white;
  text-shadow:0 0 12px #38bdf8;
}

.subtitle{
  text-align:center;
  color:#94a3b8;
  margin-bottom:25px;
}

input{
  width:100%;
  padding:14px;
  border-radius:10px;
  border:1px solid #334155;
  background:#020617;
  color:white;
  margin-bottom:12px;
}

input:focus{
  outline:none;
  border-color:#38bdf8;
  box-shadow:0 0 10px #38bdf8;
}

.group{
  margin-bottom:20px;
}

h3{
  margin-bottom:10px;
  color:#e0f2fe;
}

.options{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
  gap:10px;
}

.option{
  padding:14px;
  border-radius:14px;
  border:1px solid rgba(56,189,248,.4);
  text-align:center;
  cursor:pointer;
  transition:.3s;
  background:rgba(2,6,23,.8);
}

.option:hover{
  box-shadow:0 0 20px #38bdf8;
  transform:translateY(-3px) scale(1.05);
}

.option.selected{
  background:#38bdf8;
  color:#020617;
  box-shadow:0 0 25px #38bdf8;
}

button{
  width:100%;
  padding:16px;
  background:linear-gradient(90deg,#38bdf8,#0ea5e9);
  border:none;
  border-radius:16px;
  color:#020617;
  font-size:16px;
  cursor:pointer;
  transition:.3s;
  margin-top:10px;
  font-weight:600;
}

button:hover{
  box-shadow:0 0 35px #38bdf8;
  transform:scale(1.03);
}

.loader{
  display:none;
  text-align:center;
  margin-top:15px;
  color:#38bdf8;
}

.success{
  display:none;
  text-align:center;
  margin-top:15px;
  color:#4ade80;
}