body {
    padding: 2rem;
    font-family: -apple-system, BlinkMacSystemFont, "Arial", sans-serif;
    margin: 0;
    min-height: 100vh;
    position: relative;
    padding-bottom: 40px;
}

.footer {
    border-radius: 8px;
    text-align: center;
    font-size: 12px;
    color: #fff;
    position: fixed;
    left: 8px;
    bottom: 8px;
    z-index: 10;
    background: rgba(0, 0, 0, 0.8);
    padding: 4px 8px;
}

.footer-logo {
    width: 16px;
    height: 16px;
    vertical-align: middle;
    display: inline-block;
    margin-right: 3px;
    filter: brightness(0) invert(1);
}

.footer a {
    color: #fff;
    text-decoration: underline;
}