:root{--tsk-ink: #0f3d3e;--tsk-accent: #f2b705;--tsk-paper: #fbfaf7;--tsk-muted: #5a6b6b;color-scheme:light}*{box-sizing:border-box}body{margin:0;background:var(--tsk-paper);color:var(--tsk-ink);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.55}.app-shell{max-width:45rem;margin:0 auto;padding:3rem 1.5rem}.tagline{color:var(--tsk-muted);margin-top:0}.placeholder{border:1px solid rgb(15 61 62 / 15%);border-radius:.75rem;padding:1.5rem;background:#fff}.placeholder .meta{color:var(--tsk-muted);font-size:.9rem}.placeholder button{font:inherit;padding:.6rem 1.25rem;border-radius:999px;border:0;background:var(--tsk-ink);color:#fff}.placeholder button:disabled{opacity:.55;cursor:not-allowed}