:root{--bg: #ffffff;--fg: #1f2328;--muted: #59636e;color-scheme:light}@media(prefers-color-scheme:dark){:root{--bg: #1e1e1e;--fg: #e6e6e6;--muted: #a0a0a0;color-scheme:dark}}html,body{margin:0;height:100%;background:var(--bg);color:var(--fg);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.placeholder{box-sizing:border-box;min-height:100%;display:grid;place-content:center;justify-items:center;gap:.5rem;padding:2rem 1rem;text-align:center}.mark{border-radius:16px}h1{margin:.5rem 0 0;font-size:2rem;font-weight:600}.lede{margin:0;font-size:1.125rem}.note{margin:0;max-width:32rem;color:var(--muted)}