body{margin:0;font-family:system-ui,-apple-system,sans-serif;background:var(--tg-theme-bg-color, #fff);color:var(--tg-theme-text-color, #000)}.header{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px}.header h1{margin:0;font-size:20px;font-weight:600;line-height:1.25;flex:1;min-width:0}.nav-outline-btn{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;min-height:32px;padding:5px 11px;border:1px solid var(--tg-theme-button-color, #2481cc);border-radius:6px;background:transparent;color:var(--tg-theme-text-color, #111);font:inherit;font-size:13px;font-weight:500;line-height:1.2;text-decoration:none;cursor:pointer;touch-action:manipulation;white-space:nowrap}.nav-outline-btn:active{opacity:.7}