body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: #0f172a;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.login-container {
  background: white;
  padding: 40px;
  border-radius: 12px;
  width: 320px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

input {
  width: 100%;
  padding: 12px;
  margin: 10px 0;
  border-radius: 6px;
  border: 1px solid #ddd;
}

button {
  width: 100%;
  padding: 12px;
  background: #2563eb;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

button:hover {
  background: #1d4ed8;
}

.error {
  color: red;
  font-size: 14px;
}