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

body {
  height: 100vh;
  background: linear-gradient(135deg, #991b1b, #7f1d1d);
  display: flex;
  justify-content: center;
  align-items: center;
}

.login-box {
  background: #fff;
  width: 350px;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
  text-align: center;
}

.login-box h2 {
  margin-bottom: 20px;
  color: #991b1b;
}

.login-box input {
  width: 100%;
  padding: 12px;
  margin-bottom: 15px;
  border-radius: 8px;
  border: 1px solid #ccc;
  font-size: 15px;
}

.login-box button {
  width: 100%;
  padding: 12px;
  background: #991b1b;
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  cursor: pointer;
  transition: 0.3s;
}

.login-box button:hover {
  background: #7f1d1d;
}