.canvas-resize-handle.top{top:-17px}.canvas-resize-handle.bottom{bottom:-17px}.canvas-resize-handle.left{left:-17px}.canvas-resize-handle.right{right:-17px}
.handle-n{left:50%;top:-5px;transform:translateX(-50%);cursor:ns-resize}.handle-e{right:-5px;top:50%;transform:translateY(-50%);cursor:ew-resize}.handle-s{left:50%;bottom:-5px;transform:translateX(-50%);cursor:ns-resize}.handle-w{left:-5px;top:50%;transform:translateY(-50%);cursor:ew-resize}
.marquee-selection{position:absolute;z-index:110;border:1px solid #168cff;background:rgba(22,140,255,.12);pointer-events:none}.multi-selection-box{position:absolute;z-index:70;border:1px dashed #168cff;background:rgba(22,140,255,.04);pointer-events:none}.multi-selection-badge{position:absolute;left:0;top:-19px;background:#168cff;color:#fff;border-radius:4px;padding:2px 6px;font-size:8px;white-space:nowrap}
.property-section.collapsible{padding-bottom:0}.property-section.collapsible>summary{cursor:pointer;list-style:none;font-size:13px;color:#5f6c66;font-weight:700;padding:4px 0 14px}.property-section.collapsible>summary::after{content:"＋";float:right;color:#7d8983}.property-section.collapsible[open]>summary::after{content:"－"}.property-section.collapsible>summary::-webkit-details-marker{display:none}.property-section.collapsible .details-body{padding-bottom:14px}
.group-ratio-row{display:flex;align-items:center;gap:8px;margin:9px 0 15px;font-size:12px}.group-ratio-row input{accent-color:var(--green)}
.multi-selection-box .selection-handle{display:block;pointer-events:auto}
.multi-selection-box.group-selected{border-color:#8b5cf6;border-style:solid}.multi-selection-box.group-selected .multi-selection-badge{background:#7c3aed}.canvas-element.collision-box{outline:1px dashed #ff9d24;outline-offset:2px}.collision-toggle-active{background:#fff3df!important;border-color:#f2a12a!important;color:#9a5b00!important}
.transform-buttons{display:grid;grid-template-columns:1fr 1fr;gap:6px}.transform-buttons button{height:36px;border:1px solid #d4ddd8;background:#fff;border-radius:6px;font-size:11px;color:#52605a}.transform-buttons button:hover{border-color:var(--green);background:#e9f5ef;color:var(--green)}