:root{--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--color-surface: rgba(255, 255, 255, .92);--color-overlay: rgba(0, 0, 0, .55);--color-accent: #ffffff;--transition-sheet: transform .2s ease-out}html{overscroll-behavior:none;-webkit-text-size-adjust:100%;text-size-adjust:100%;-webkit-tap-highlight-color:transparent;scrollbar-width:none}body{overscroll-behavior:none;touch-action:manipulation;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}::-webkit-scrollbar{width:0;height:0;display:none}img{-webkit-user-drag:none;-webkit-touch-callout:none;user-select:none}input,textarea,[contenteditable=true]{-webkit-user-select:text;user-select:text}button{-webkit-tap-highlight-color:transparent;transition:opacity .12s ease}button:active:not(:disabled){opacity:.6}@keyframes spin{to{transform:rotate(360deg)}}.spinner{width:40px;height:40px;border:3px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}.ar-overlay-fade{transition:opacity .2s ease-out}.ar-overlay-fade.hidden{opacity:0;pointer-events:none}