:root { color-scheme: light dark; font-family: system-ui, sans-serif; }
body { margin: 0; display: grid; grid-template-rows: auto 1fr auto; min-height: 100vh; }
header, footer { padding: 12px 20px; }
h1 { margin: 0 0 4px; font-size: 1.4rem; }
.lede { margin: 0 0 10px; max-width: 70ch; }
.bar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.bar button { padding: 6px 14px; font: inherit; cursor: pointer; }
#note { margin-left: 8px; }
main { min-height: 0; padding: 0 20px; }
#designer { height: 78vh; min-height: 560px; border: 1px solid #8884; }
footer { font-size: 0.9rem; }