* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;

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

    font-family: Arial, sans-serif;

    background: linear-gradient(
        135deg,
        #111827,
        #1e3a8a
    );

    color: white;
}

.card {
    width: 90%;
    max-width: 420px;

    padding: 40px 25px;

    text-align: center;

    background: rgba(255, 255, 255, 0.08);

    border: 1px solid rgba(255, 255, 255, 0.15);

    border-radius: 20px;
}

.logo {
    font-size: 24px;
    font-weight: bold;

    margin-bottom: 30px;
}

h1 {
    margin-bottom: 10px;
}

.description {
    color: #d1d5db;
}

.button {
    display: inline-block;

    margin-top: 20px;
    padding: 13px 25px;

    background: #2563eb;
    color: white;

    text-decoration: none;

    border-radius: 10px;
}

.button:hover {
    background: #1d4ed8;
}

.id-display {
    margin-top: 25px;
    color: #9ca3af;
    font-size: 14px;
}