*{box-sizing:border-box}html,body{margin:0;padding:0;width:100%;height:100%;overflow:hidden;background-color:#0c043a}body{font-family:Arial,sans-serif}#app{width:100%;height:100%;min-height:0;overflow:hidden;position:relative}#app canvas{display:block;width:100%;height:100%}.portal-btn{position:fixed;z-index:10000;padding:5px 12px;font-family:Arial,sans-serif;font-size:11px;font-weight:700;letter-spacing:.04em;color:#fff;background:linear-gradient(135deg,#ff7ab8,#b288ff);border:1px solid rgba(255,255,255,.35);border-radius:999px;cursor:pointer;box-shadow:0 2px 8px #0000004d;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}.portal-btn:hover,.portal-btn:focus-visible{filter:brightness(1.12);outline:none}.portal-btn:active{transform:translateY(1px)}.portal-btn-top-right{top:max(8px,env(safe-area-inset-top));right:max(8px,env(safe-area-inset-right))}.portal-btn-bottom-left{bottom:max(8px,env(safe-area-inset-bottom));left:max(8px,env(safe-area-inset-left))}