:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--tg-theme-bg-color, #1c1c1e);color:var(--tg-theme-text-color, #ffffff);margin:0;padding:0}*{box-sizing:border-box}body{margin:0;padding:0;min-height:100vh;overflow-x:hidden}.app{padding:24px 16px;max-width:720px;margin:0 auto}.app h1{font-size:24px;margin:0 0 12px}.app .muted{opacity:.6;font-size:14px}