body {
    font-family: 'Arial', sans-serif;
    background-color: #f5f5f5;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}
.login-container {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    width: 300px;
}
h1 {
    text-align: center;
    color: #333;
    margin-bottom: 1.5rem;
}
.form-group {
    margin-bottom: 1rem;
}
label {
    display: block;
    margin-bottom: 0.5rem;
    color: #555;
}
input {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
}
button {
    width: 100%;
    padding: 0.75rem;
    background-color: #4285f4;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    margin-top: 0.5rem;
}
button:hover {
    background-color: #3367d6;
}
.register-link {
    text-align: center;
    margin-top: 1rem;
}
a {
    color: #4285f4;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}
#error-message {
    color: #d32f2f;
    text-align: center;
    margin-top: 1rem;
    display: none;
}