*{margin:0;padding:0;box-sizing:border-box}
body{
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:#0b0b0f;
  color:#fff;
  min-height:100vh;
  display:flex;
  justify-content:center;
  align-items:center;
  padding:40px 16px;
}

.container{
  width:100%;
  max-width:640px;
  background: rgba(18,18,22,0.9);
  border:1px solid rgba(160,80,255,0.25);
  border-radius:18px;
  padding:28px;
  box-shadow: 0 0 50px rgba(0,0,0,0.65);
}

h1{
  font-size:54px;
  line-height:1;
  text-align:center;
  margin-bottom:10px;
  color:#a855f7;
  text-shadow: 0 0 18px rgba(168,85,247,0.35);
}

.sub{
  text-align:center;
  opacity:0.8;
  margin-bottom:22px;
}

.panel{
  background: rgba(255,255,255,0.04);
  border:1px solid rgba(255,255,255,0.06);
  border-radius:14px;
  padding:18px;
  margin-top:16px;
}

h2{
  font-size:22px;
  margin-bottom:12px;
  color:#c4b5fd;
}

label{
  display:block;
  font-size:14px;
  opacity:0.9;
  margin:10px 0 6px;
}

input{
  width:100%;
  padding:12px 12px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,0.12);
  background: rgba(0,0,0,0.35);
  color:#fff;
  outline:none;
}
input:focus{
  border-color: rgba(168,85,247,0.6);
  box-shadow: 0 0 0 3px rgba(168,85,247,0.18);
}

.btn{
  width:100%;
  margin-top:12px;
  padding:12px 14px;
  border-radius:10px;
  border:none;
  cursor:pointer;
  font-size:16px;
  font-weight:600;
}

.btn-primary{ background:#6d28d9; color:#fff; }
.btn-primary:hover{ filter:brightness(1.1); }

.btn-blue{ background:#1677ff; color:#fff; }
.btn-blue:hover{ filter:brightness(1.08); }

.btn-ghost{
  background: transparent;
  border:1px solid rgba(255,255,255,0.16);
  color:#fff;
}
.btn-ghost:hover{
  border-color: rgba(168,85,247,0.55);
  box-shadow: 0 0 18px rgba(168,85,247,0.15);
}

.hint{
  margin-top:10px;
  font-size:14px;
  opacity:0.85;
  min-height:18px;
}