body {
    margin: 0;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #f4f4f4;
    font-family: Arial, sans-serif;
}

.login-box {
    background-color: white;
    padding: 30px 40px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.2);
    width: 300px;
}

h2 {
    text-align: center;
    margin-bottom: 20px;
}

form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

input[type="text"],
input[type="password"],
button {
    width: 100%;
    padding: 10px;
    box-sizing: border-box;
    border-radius: 5px;
    border: 1px solid #ccc;
}

button {
    background-color: #4285f4;
    color: white;
    border: none;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

button:hover {
    background-color: #3271d4;
}

.error {
    color: red;
    margin-bottom: 15px;
    text-align: center;
}