html, body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    height: 100%;
    background: #0f172a;
    font-family: Segoe UI, sans-serif;
}

#lavaCanvas {
    position: fixed;
    inset: 0;
}

.overlay {
    position: fixed;
    top: 20px;
    left: 20px;

    padding: 14px 16px;

    background: rgba(15,23,42,0.6);
    backdrop-filter: blur(10px);

    border: 1px solid rgba(56,189,248,0.3);
    border-radius: 14px;

    color: #f8fafc;
}

.overlay h1 {
    margin: 0 0 6px 0;
    color: #38bdf8;
    font-size: 1.1rem;
}

.overlay p {
    margin: 0 0 8px 0;
    font-size: 0.9rem;
    opacity: 0.8;
}

.overlay a {
    color: #38bdf8;
    text-decoration: none;
}