body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background: linear-gradient(135deg, #1a1a2e, #16213e);
  color: #f0f0f0;
}

.login-container {
  margin-bottom: 15%;
  background-color: #222831;
  padding: 20px 30px;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.7);
  width: 100%;
  max-width: 400px;
  text-align: center;
}

h2 {
  margin-bottom: 20px;
  font-size: 1.8rem;
  color: #f0f0f0;
  font-family: Verdana, sans-serif;
}

.error-message {
  color: #ff6b6b;
  font-size: 0.9rem;
  margin-bottom: 10px;
}

form {
  display: flex;
  flex-direction: column;
}

.form-group {
  margin-bottom: 15px;
  text-align: left;
}

label {
  font-size: 0.9rem;
  color: #d3d3d3;
}

input[type="text"],
input[type="password"] {
  width: 100%;
  padding-top: 10px;
  padding-bottom: 10px;
  margin-top: 5px;
  font-size: 1rem;
  background-color: #393e46;
  color: #f0f0f0;
  border: 1px solid #4e4e50;
  border-radius: 5px;
  transition: border-color 0.3s ease-in-out;
}

input[type="text"]:focus,
input[type="password"]:focus {
  border-color: #00adb5;
  outline: none;
}

button[type="submit"] {
  padding: 10px;
  font-size: 1rem;
  color: #fff;
  background-color: #00adb5;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s ease-in-out;
}

button[type="submit"]:hover {
  background-color: #007d86;
}

@media (max-width: 480px) {
  .login-container {
      padding: 15px;
  }

  h2 {
      font-size: 1.5rem;
  }
}