* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(to right, #0f2027, #203a43, #2c5364);
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

.login-container {
  background-color: white;
  padding: 40px 30px;
  border-radius: 12px;
  box-shadow: 0px 0px 20px rgba(0, 0, 0, 0.4);
  width: 300px;
  text-align: center;
}

.login-container h1 {
  margin-bottom: 10px;
  color: #2c5364;
  font-size: 24px;
}

.login-container h2 {
  margin-bottom: 20px;
  font-weight: normal;
  color: #555;
}

.login-container input[type="text"],
.login-container input[type="password"],
.login-container button {
  width: 100%;
  padding: 10px;
  margin: 8px 0;
  font-size: 14px;
  border-radius: 6px;
  font-family: inherit;
}

.login-container input[type="text"],
.login-container input[type="password"] {
  border: 1px solid #ccc;
  background-color: #f5f9ff;
}

.login-container button {
  background-color: #2c5364;
  border: none;
  color: white;
  font-size: 16px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.login-container button:hover {
  background-color: #203a43;
}

.error-message {
  color: red;
  font-size: 14px;
  margin-top: 10px;
}