/* Reset cơ bản */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Thiết lập giao diện cơ bản cho trang */
body
{
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container 
{
    background-color: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    max-width: 400px;
    width: 100%;
}

h1 {margin-bottom: 20px; text-align: center;}

label {display: block; margin-bottom: 10px;}

input[type="text"],
input[type="email"],
input[type="password"] 
{
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 20px;
}

button 
{
    width: 100%;
    padding: 10px;
    background-color: #007bff;
    border: none;
    color: #fff;
    border-radius: 20px;
    cursor: pointer;
    font-size: 16px;
}

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

p {text-align: center;}

a {color: #007bff; text-decoration: none;}

a:hover {text-decoration: underline;}