body {
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, #e0f7fa, #80deea);
  height: 135vh;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-box {
  background: white;
  padding: 40px;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
  text-align: center;
  width: 300px;
}

input, button {
  display: block;
  margin: 15px auto;
  padding: 12px;
  width: 90%;
  font-size: 16px;
  border-radius: 10px;
  border: 1px solid #ccc;
  box-sizing: border-box;
}

button {
  background-color: #00acc1;
  color: white;
  cursor: pointer;
  transition: background 0.3s ease;
}

button:hover {
  background-color: #00838f;
}