html, body { width: 100%; height: 100%; margin: 0; background: #101419; color: #f6f7f9; }
iframe { display: block; width: 100%; height: 100%; border: 0; }
.unavailable { display: grid; place-items: center; font-family: system-ui, sans-serif; }
.unavailable main { padding: 1.5rem; text-align: center; }
.unavailable h1 { font-size: 1.35rem; }
.unavailable p { color: #c4cbd3; line-height: 1.5; }