* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: Arial, sans-serif;
    background: #f2f2f2;

    min-height: 100vh;

    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    background: white;

    width: 90%;
    max-width: 500px;

    padding: 40px;

    border-radius: 12px;

    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);

    text-align: center;
}

h1 {
    margin-bottom: 15px;
}

p {
    margin-bottom: 25px;
    color: #555;
}

label {
    display: block;

    text-align: left;

    margin-bottom: 8px;

    font-weight: bold;
}

input {
    width: 100%;

    padding: 12px;

    border: 1px solid #ccc;

    border-radius: 6px;

    margin-bottom: 15px;

    font-size: 16px;
}

button {
    width: 100%;

    padding: 12px;

    border: none;

    border-radius: 6px;

    background: #222;

    color: white;

    font-size: 16px;

    cursor: pointer;
}

button:hover {
    background: #444;
}

.qr-container {
    display: flex;
    justify-content: center;
    align-items: center;

    margin: 25px 0;
}

.qr-container img {
    max-width: 300px;
    width: 100%;

    border: 1px solid #ddd;
    padding: 10px;

    background: white;
}

.link-qr {
    font-size: 13px;
    word-break: break-all;
    color: #666;
}