:root{--fg: #1a1a1a;--muted: #666;--accent: #2f6feb;--error: #b3261e;--bg: #ffffff;color-scheme:light dark}@media(prefers-color-scheme:dark){:root{--fg: #ececec;--muted: #a0a0a0;--accent: #7aa2f7;--error: #f2b8b5;--bg: #16171a}}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,sans-serif;color:var(--fg);background:var(--bg)}.centered{max-width:32rem;margin:0 auto;padding:4rem 1.5rem;display:flex;flex-direction:column;align-items:flex-start;gap:.75rem}.muted{color:var(--muted)}.error{color:var(--error)}.button,button{display:inline-block;padding:.6rem 1rem;border:0;border-radius:.5rem;background:var(--accent);color:#fff;font:inherit;text-decoration:none;cursor:pointer}