html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    background: #1e1e1e;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

#out {
    height: 100vh;
    width: 100vw;
}

.app-splash {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    color: #e6e6e6;
    text-align: center;
}

.app-splash-inner {
    max-width: 30rem;
    padding: 1.5rem;
}

.app-splash h1 {
    margin: 0 0 0.5rem;
    font-size: 2rem;
    letter-spacing: 0.02em;
}

.app-splash p {
    margin: 0.35rem 0;
    color: #b0b0b0;
}

.app-splash-note {
    font-size: 0.85rem;
    margin-top: 1rem !important;
}

.app-splash a {
    color: #4ea1ff;
}

.app-splash-spinner {
    margin: 1.5rem auto 0;
    width: 2.5rem;
    height: 2.5rem;
    border: 3px solid #3a3a3a;
    border-top-color: #4ea1ff;
    border-radius: 50%;
    animation: app-splash-spin 0.9s linear infinite;
}

@keyframes app-splash-spin {
    to { transform: rotate(360deg); }
}