:root {
  color-scheme: light dark;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--tg-theme-bg-color, #fff);
  color: var(--tg-theme-text-color, #17212b);
}
body { margin: 0; padding: 16px; }
main { max-width: 680px; margin: auto; }
h1, h2, p { margin-top: 0; }
h1 { font-size: 28px; margin-bottom: 6px; }
h2 { font-size: 18px; margin-bottom: 6px; }
section { margin-top: 24px; }
.eyebrow { color: var(--tg-theme-button-color, #2481cc); font-size: 12px; font-weight: 700; letter-spacing: .1em; }
.muted { color: var(--tg-theme-hint-color, #708499); }
.notice { background: color-mix(in srgb, var(--tg-theme-button-color, #2481cc) 12%, transparent); border-radius: 10px; padding: 12px; }
.section-title { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
button { border: 0; border-radius: 8px; background: var(--tg-theme-button-color, #2481cc); color: var(--tg-theme-button-text-color, #fff); padding: 8px 12px; font: inherit; }
.cards { display: grid; gap: 8px; list-style: none; margin: 0; padding: 0; }
.cards li, .help { border: 1px solid var(--tg-theme-section-separator-color, #d9e2ea); border-radius: 10px; padding: 12px; }
.state { float: right; font-size: 13px; color: var(--tg-theme-hint-color, #708499); }
code { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }