.demo-modes{display:flex;flex-wrap:wrap;gap:8px}.demo-modes [aria-pressed=true]{border-color:var(--accent);box-shadow:inset 0 -3px var(--accent)}.demo-device{width:100%;max-width:1200px;margin:24px auto;border:8px solid var(--line);border-radius:18px;overflow:hidden;min-height:540px;background:var(--bg);transition:max-width .3s ease,border-radius .3s ease}.demo-device[data-mode=tablet]{max-width:768px;border-radius:24px}.demo-device[data-mode=phone]{max-width:390px;border-radius:32px}.demo-device iframe{height:720px;border:0}.demo-device [hidden]{display:none!important}.demo-fallback{min-height:540px;padding:clamp(20px,4vw,60px);display:flex;flex-direction:column;justify-content:center;align-items:flex-start;gap:18px;background:var(--bg);color:var(--fg)}.demo-fallback strong{font-size:clamp(22px,3vw,36px);line-height:1.2}.demo-fallback a{color:var(--accent);font-weight:700}.demo-fallback p{color:var(--muted)}#menu-demo:fullscreen .demo-actions{position:sticky;top:0;z-index:10;background:var(--bg);padding:12px;border-bottom:1px solid var(--line)}.demo-actions button,.demo-modes button,.demo-switch button{transition:background .2s,box-shadow .2s}.demo-actions button:hover,.demo-modes button:hover,.demo-switch button:hover{background:var(--surface)}@media(max-width:600px){.demo-modes button{flex:1;padding:12px 8px}.demo-device{border-width:5px}.demo-fallback{padding:20px;overflow-wrap:anywhere}.demo-actions a{overflow-wrap:anywhere}}@media(prefers-reduced-motion:reduce){.demo-device,.demo-actions button,.demo-modes button,.demo-switch button{transition:none}}
/* Fullscreen removes only presentation framing; data-mode stays unchanged. */
#menu-demo:fullscreen{position:fixed;inset:0;box-sizing:border-box;width:100dvw;height:100dvh;max-width:none;max-height:none;margin:0;padding:0;border:0;border-radius:0;overflow:hidden;background:var(--bg)}
#menu-demo:fullscreen>.demo-switch,#menu-demo:fullscreen>.demo-modes,#menu-demo:fullscreen>.note{display:none}
#menu-demo:fullscreen .demo-device{position:absolute;inset:0;box-sizing:border-box;width:100dvw;height:100dvh;min-width:0;min-height:0;max-width:none;max-height:none;aspect-ratio:auto;margin:0;padding:0;border:0;border-radius:0;transition:none}
#menu-demo:fullscreen .demo-device iframe{box-sizing:border-box;display:block;width:100%;height:100%;min-width:0;min-height:0;max-width:none;max-height:none;aspect-ratio:auto;margin:0;padding:0;border:0;border-radius:0}
#menu-demo:fullscreen .demo-actions{position:absolute;top:env(safe-area-inset-top,0px);right:env(safe-area-inset-right,0px);z-index:20;display:flex;flex-wrap:wrap;gap:8px;max-width:calc(100% - env(safe-area-inset-left,0px) - env(safe-area-inset-right,0px));margin:0;padding:8px;box-sizing:border-box;border:1px solid var(--line);border-radius:0 0 0 12px;background:var(--bg);box-shadow:0 3px 18px #0003}
#menu-demo:fullscreen>[role=status]{position:absolute;bottom:env(safe-area-inset-bottom,0px);left:env(safe-area-inset-left,0px);z-index:20;max-width:calc(100% - env(safe-area-inset-left,0px) - env(safe-area-inset-right,0px));box-sizing:border-box;margin:0;padding:8px 12px;background:var(--bg);border:1px solid var(--line);font-size:12px;pointer-events:none}
#menu-demo:fullscreen .demo-fallback{box-sizing:border-box;width:100%;height:100%;min-height:0;padding:100px max(24px,env(safe-area-inset-right,0px)) 70px max(24px,env(safe-area-inset-left,0px));overflow:auto}

/* Direct client examples: the remote menu host may reject iframe embedding. */
#menu-demo [hidden]{display:none!important}
#menu-demo .demo-direct-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
#menu-demo .demo-direct-link{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:64px;padding:16px 18px;border:1px solid var(--line);border-radius:14px;background:var(--bg);color:var(--fg);font-weight:700;text-decoration:none;transition:border-color .2s ease,transform .2s ease}
#menu-demo .demo-direct-link span:last-child{flex:none;font-size:22px;line-height:1}
#menu-demo .demo-direct-link:hover,#menu-demo .demo-direct-link:focus-visible{border-color:var(--accent);transform:translateY(-2px);outline-offset:3px}
#menu-demo.qr-arrival .demo-direct-link[data-kind=qr]{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
@media(max-width:760px){#menu-demo .demo-direct-links{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){#menu-demo .demo-direct-link{transition:none}#menu-demo .demo-direct-link:hover,#menu-demo .demo-direct-link:focus-visible{transform:none}}