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

.login-container {
    background: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.2);
    width: 300px;
    text-align: center;
}

input[type="text"], input[type="password"] {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border-radius: 4px;
    border: 1px solid #ccc;
}

button {
    width: 100%;
    padding: 12px;
    background-color: #007BFF;
    color: white;
    border: none;
    font-weight: bold;
    border-radius: 4px;
    cursor: pointer;
}

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