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

.container {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    max-width: 400px;
    width: 100%;
}

.header {
    text-align: center;
    margin-bottom: 30px;
}

.header img {
    width: 60px;
}

.header h1 {
    color: #007bff;
    font-size: 28px;
    margin-top: 10px;
}

.form-group {
    margin-bottom: 20px;
}

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

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

.login-button {
    width: 100%;
    padding: 10px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    font-size: 16px;
}

.login-button:hover {
    background-color: #0056b3;
}

.error-message {
    color: red;
    font-size: 14px;
    margin-bottom: 20px;
    text-align: center;
}