:root{
  --bg:#f6f8fa;
  --card:#ffffff;
  --accent:#0b74de;
  --text:#0f1720;
  --muted:#6b7280;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,"Helvetica Neue",Arial;
  background:linear-gradient(180deg,var(--bg),#ffffff);
  color:var(--text);
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
}

.container{
  width:100%;
  max-width:420px;
  background:var(--card);
  border-radius:12px;
  box-shadow:0 6px 24px rgba(15,23,32,0.08);
  padding:24px;
}

h1{
  margin:0 0 16px 0;
  font-size:18px;
  font-weight:600;
}

form{
  display:grid;
  gap:10px;
}

label{
  font-size:13px;
  color:var(--muted);
}

input[type="text"],
input[type="email"],
input[type="password"]{
  width:100%;
  padding:10px 12px;
  border-radius:8px;
  border:1px solid #e6e9ee;
  background:#fff;
  font-size:14px;
  outline:none;
  transition:box-shadow .12s, border-color .12s;
}

input:focus{
  border-color:var(--accent);
  box-shadow:0 0 0 4px rgba(11,116,222,0.08);
}

button{
  margin-top:6px;
  padding:10px 12px;
  border-radius:10px;
  background:var(--accent);
  color:#fff;
  border:0;
  font-weight:600;
  cursor:pointer;
  transition:transform .06s ease,opacity .08s;
}

button:active{ transform:translateY(1px) }
button[disabled]{ opacity:.6; cursor:default }

#status{
  margin-top:8px;
  font-size:13px;
  min-height:20px;
}

.notes{
  margin-top:14px;
  text-align:center;
  color:var(--muted);
}