.gem-tree{pointer-events:none;position:absolute;inset:0}.gem-tree>.gem-ob{pointer-events:auto}.gem-ob{box-sizing:border-box;white-space:pre;position:absolute}.gem-left{justify-content:flex-start;align-items:center;display:flex}.gem-center{justify-content:center;align-items:center;display:flex}.gem-right{justify-content:flex-end;align-items:center;display:flex}.gem-small{font-size:9px;line-height:8px}.gem-click{cursor:inherit}.gem-selected{filter:invert()}.gem-disabled{opacity:.45}.gem-checked:before{content:"✓";position:absolute;left:2px}.gem-img{image-rendering:pixelated;display:block}.gem-text{position:relative}.gem-cursor{vertical-align:top;outline:1px solid #000;width:0;height:16px;margin-right:-1px;animation:1s step-end infinite blink;display:inline-block}@keyframes blink{50%{outline-color:#0000}}.gem-alert{background:#fff;position:absolute;box-shadow:inset 0 0 0 2px #000,0 0 0 2px #fff,0 0 0 3px #000}.gem-alert-line{white-space:pre;position:absolute}.gem-alert-icon{box-sizing:border-box;border:2px solid #000;justify-content:center;align-items:center;width:32px;height:32px;font-weight:700;display:flex;position:absolute;top:14px;left:12px}.gem-icon-1{clip-path:polygon(50% 0,100% 100%,0 100%);color:#fff;background:#000;border:0;padding-top:10px}.gem-icon-2{border-radius:4px}.gem-icon-3{clip-path:polygon(30% 0,70% 0,100% 30%,100% 70%,70% 100%,30% 100%,0 70%,0 30%);color:#fff;background:#000;border:0;font-size:9px}.gem-menubar{pointer-events:none;position:absolute;inset:0}.gem-menu-bar{box-sizing:border-box;pointer-events:auto;background:#fff;border-bottom:1px solid #000;width:640px;height:19px;position:absolute;top:0;left:0}.gem-menu-title{white-space:pre;background:#fff;height:18px;line-height:19px;position:absolute;top:0}.gem-menu-info{white-space:pre;opacity:.5;height:16px;position:absolute;top:1px}.gem-dropdown{pointer-events:auto;background:#fff;position:absolute;box-shadow:0 0 0 1px #000,2px 2px 0 1px #000}.gem-menu-item{white-space:pre;line-height:16px;position:absolute}.gem-menu-item:not(.gem-disabled):hover{filter:invert();background:#fff}.sound-hint{color:#fff;font-family:var(--font);pointer-events:none;background:#000;padding:2px 8px;position:absolute;bottom:8px;right:10px}.pause-box{letter-spacing:4px;background:#fff;justify-content:center;align-items:center;width:120px;height:32px;font-weight:700;display:flex;position:absolute;top:184px;left:260px;box-shadow:inset 0 0 0 2px #000,0 0 0 2px #fff,0 0 0 3px #000}