:root{font-family:system-ui,-apple-system,Segoe UI,sans-serif;color-scheme:light}html,body{margin:0;padding:0;height:100%;overflow:hidden;background:#fff;color:#111;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;overscroll-behavior:none}#app{position:fixed;inset:0;width:100%;height:100%}#render-canvas{display:block;width:100%;height:100%;outline:none;touch-action:none}#ui-root{position:absolute;inset:0;pointer-events:none}.ui-button{pointer-events:auto;position:absolute;min-width:44px;min-height:44px;padding:.6rem 1rem;border:none;border-radius:999px;background:#f5f5f7eb;color:#1a1a1a;font-size:.95rem;font-weight:500;letter-spacing:.01em;cursor:pointer;transition:background-color .12s ease,transform 80ms ease,box-shadow .12s ease;box-shadow:0 2px 8px #0000001f,0 1px 2px #00000014;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);-webkit-tap-highlight-color:transparent}.ui-button:active{transform:scale(.97);background:#f0f0f0fa;box-shadow:0 1px 4px #00000026}.ui-button--icon{width:48px;height:48px;min-width:48px;min-height:48px;padding:0;display:inline-flex;align-items:center;justify-content:center}.ui-button--icon svg{width:24px;height:24px;display:block;pointer-events:none}.ui-button__label{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.ui-button--reset{top:env(safe-area-inset-top,16px);right:env(safe-area-inset-right,16px);top:max(16px,env(safe-area-inset-top));right:max(16px,env(safe-area-inset-right))}.ui-button--fullscreen{top:max(16px,env(safe-area-inset-top,16px));left:max(16px,env(safe-area-inset-left,16px))}.ui-logo{position:absolute;bottom:max(16px,env(safe-area-inset-bottom,16px));right:max(16px,env(safe-area-inset-right,16px));width:48px;height:48px;border-radius:50%;background:#f5f5f7eb;box-shadow:0 2px 8px #0000001f,0 1px 2px #00000014;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);pointer-events:none;user-select:none;-webkit-user-drag:none}.ui-status{pointer-events:auto;position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem;background:#ffffffd9;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}.ui-status__message{margin:0;font-size:1rem;color:#333;text-align:center;max-width:30ch}.ui-status__spinner{width:42px;height:42px;border:3px solid rgba(0,0,0,.15);border-top-color:#000000bf;border-radius:50%;animation:ui-spin .9s linear infinite}.ui-status__retry{position:static}@keyframes ui-spin{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){.ui-status__spinner{animation-duration:3s}}