body{margin:0;font-family:system-ui,-apple-system,sans-serif;background:#f6f7f9;color:#111}.app-shell{max-width:480px;margin:0 auto}.bottom-nav{left:0;right:0}.desktop-wordmark{display:none}@media (min-width:720px){body{background:#111}.desktop-wordmark{display:flex;align-items:center;justify-content:center;gap:8px;padding:28px 0 4px}.app-shell{background:#f6f7f9;margin:12px auto 40px;border-radius:20px;box-shadow:0 24px 64px rgba(0,0,0,.4);min-height:calc(100vh - 140px)}.bottom-nav{max-width:480px;left:50%;right:auto;transform:translateX(-50%);border-radius:0 0 20px 20px}}