body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #0f172a;
    color: white;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.box {
    background: #1e293b;
    padding: 40px 60px;
    border-radius: 14px;
    text-align: center;
    box-shadow: 0 0 20px #00000050;
}

h1 {
    margin: 0;
    color: #38bdf8;
    font-size: 28px;
}

footer {
    text-align: center;
    padding: 14px 0;
    background: #020617;
    color: #94a3b8;
    font-size: 14px;
}