body {
  background: #0b0f14;
  color: #e5e7eb;
  font-family: monospace, system-ui;
  min-height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
}
.box {
  background: #111827;
  padding: 24px;
  border-radius: 12px;
  width: 320px;
  box-shadow: 0 0 30px rgba(0,0,0,.5);
  text-align: center;
  margin: auto;
}
input, button {
  width: 100%;
  padding: 10px;
  margin-top: 10px;
  border-radius: 8px;
  border: none;
  font-size: 16px;
  box-sizing: border-box;
}
input { background: #0b1220; color: #fff; outline: none; }
button { background: #2563eb; color: #fff; cursor: pointer; transition: background 0.2s; }
button:hover, button:focus { background: #1e40af; }

footer {
  text-align: center;
  color: #818cf8;
  margin-top: 32px;
  padding: 8px 0 0 0;
  font-size: 13px;
}

a {
  color: #60a5fa;
  text-decoration: underline;
}