body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    height: 100vh;
}

.login-container {
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    padding: 30px;
    margin: 10% auto;
    width: 320px;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

h1 {
    text-align: center;
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 5px;
}

input[type="email"], input[type="text"], input[type="password"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 3px;
    margin-bottom: 15px;
    box-sizing: border-box;
}

button {
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    width: 100%;
    font-size: 16px;
}

button:hover {
    opacity: 0.85;
}

#error-message {
    background-color: #F08080;
    color: white;
    padding: 10px;
    border-radius: 3px;
    margin-bottom: 15px;
    text-align: center;
}