body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: linear-gradient(135deg, #e0eafc, #cfdef3);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
}

.container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem 1rem;
}

.login-form {
    background-color: rgba(255, 255, 255, 0.8);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.login-form h2 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #34495e;
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    box-sizing: border-box;
}

button {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 25px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #2980b9;
}

#login-message {
    margin-top: 1rem;
    color: #e74c3c;
}

footer {
    background-color: #2c3e50;
    color: white;
    text-align: center;
    padding: 1rem;
    margin-top: auto;
}

@media (max-width: 767px) {
    .login-form {
        padding: 1.5rem;
    }
    .form-group input {
        padding: 0.5rem;
    }
    button {
        width: 100%;
        padding: 0.75rem;
    }
}