*{box-sizing:border-box}html,body,#root{width:100%;height:100%;margin:0;padding:0}html,body{overflow:hidden}#root{position:relative}.bim-page{width:100vw;height:100vh;position:relative;overflow:hidden}.bim-viewport{width:100%;height:100%;position:absolute;inset:0}.bim-viewport canvas{display:block;width:100%!important;height:100%!important}.bim-toolbar{z-index:10;position:absolute;top:16px;left:16px}.bim-toolbar button{color:#fff;cursor:pointer;background:#1f2933;border:1px solid #444;border-radius:6px;padding:10px 16px;font-size:14px}.bim-toolbar button:hover{background:#2d3b47}.bim-toolbar button:disabled{opacity:.6;cursor:default}.model-panel{z-index:20;color:#fff;background:#1f2933f5;border:1px solid #4b5563;border-radius:8px;width:280px;font-family:Arial,sans-serif;position:absolute;top:200px;right:16px;overflow:hidden}.model-panel-header{border-bottom:1px solid #4b5563;justify-content:space-between;align-items:center;padding:12px 14px;display:flex}.model-panel-empty{color:#b8c0c8;padding:16px;font-size:13px}.model-list{max-height:420px;overflow-y:auto}.model-section+.model-section{border-top:1px solid #596875}.model-section-title{color:#b8c0c8;letter-spacing:.05em;text-transform:uppercase;background:#ffffff0b;padding:7px 10px;font-size:10px;font-weight:700}.model-row{border-bottom:1px solid #3d4954;align-items:center;gap:8px;padding:9px 10px;display:flex}.model-row:last-child{border-bottom:none}.model-row-hidden{opacity:.58}.model-info{flex:1;min-width:0}.model-name{text-overflow:ellipsis;white-space:nowrap;font-size:13px;overflow:hidden}.model-source{color:#9ca3af;margin-top:3px;font-size:10px}.model-visibility-button,.model-remove-button{color:#fff;cursor:pointer;background:0 0;border:none;border-radius:4px;width:30px;height:30px}.model-visibility-button:hover,.model-remove-button:hover{background:#ffffff1a}.model-remove-button{font-size:20px}.model-clear-button{color:#fff;cursor:pointer;background:0 0;border:1px solid #596875;border-radius:5px;width:calc(100% - 20px);margin:10px;padding:8px}.model-clear-button:hover{background:#ffffff1a}.model-context-menu{z-index:1400;color:#fff;background:#111827fa;border:1px solid #596875;border-radius:6px;min-width:190px;max-width:280px;padding:6px;font-family:Arial,sans-serif;position:fixed;box-shadow:0 10px 30px #00000059}.model-context-title{color:#b8c0c8;text-overflow:ellipsis;white-space:nowrap;padding:6px 8px 8px;font-size:11px;overflow:hidden}.model-context-action{color:#fff;cursor:pointer;text-align:left;background:0 0;border:none;border-radius:4px;align-items:center;gap:8px;width:100%;padding:8px 10px;display:flex}.model-context-action:hover{background:#ffffff1a}.view-cube-container{z-index:30;pointer-events:auto;flex-direction:column;align-items:center;width:150px;height:165px;display:flex;position:absolute;top:20px;right:24px}.view-cube-actions{align-items:center;gap:6px;display:flex;position:absolute;top:135px}.view-cube-iso{cursor:pointer;background:#fff;border:1px solid #8a969f;border-radius:4px;padding:3px 10px;font-size:11px;position:static}.view-cube-projection{cursor:pointer;background:#fff;border:1px solid #8a969f;border-radius:4px;width:28px;height:24px;padding:0;font-size:11px;font-weight:700}.view-cube-projection:hover,.view-cube-iso:hover{background:#e5e9ed}.view-compass{pointer-events:none;border:2px solid #a0aab48c;border-radius:50%;width:128px;height:128px;transition:transform 80ms linear;position:absolute;top:0}.view-compass-label{color:#d7dde2;cursor:pointer;pointer-events:auto;background:0 0;border:none;outline:none;justify-content:center;align-items:center;width:28px;height:28px;padding:0;font-size:15px;font-weight:700;line-height:1;transition:color .15s,transform 80ms linear;display:flex;position:absolute}.view-compass-label:hover{color:#ffc533}.view-compass-north{top:-14px;left:calc(50% - 14px)}.view-compass-east{top:calc(50% - 14px);right:-14px}.view-compass-south{bottom:-14px;left:calc(50% - 14px)}.view-compass-west{top:calc(50% - 14px);left:-14px}.view-cube{width:64px;height:64px;transform-style:preserve-3d;transition:transform 80ms linear;position:absolute;top:32px;left:43px}.view-cube-face{cursor:pointer;backface-visibility:hidden;background:#e1e8eeeb;border:1px solid #8895a0;justify-content:center;align-items:center;width:64px;height:64px;font-size:10px;font-weight:600;display:flex;position:absolute}.view-cube-face:hover{background:#ffcd46f2}.view-cube-front{transform:translateZ(32px)}.view-cube-back{transform:rotateY(180deg)translateZ(32px)}.view-cube-right{transform:rotateY(90deg)translateZ(32px)}.view-cube-left{transform:rotateY(-90deg)translateZ(32px)}.view-cube-top{transform:rotateX(90deg)translateZ(32px)}.view-cube-bottom{transform:rotateX(-90deg)translateZ(32px)}.view-cube-iso:hover{background:#e5e9ed}.layer-panel{z-index:25;color:#fff;background:#1f2933f5;border:1px solid #4b5563;border-radius:8px;width:360px;font-family:Arial,sans-serif;position:absolute;bottom:16px;left:16px;overflow:hidden}.layer-panel-header{border-bottom:1px solid #4b5563;justify-content:space-between;align-items:center;padding:10px 12px;display:flex}.layer-add-button,.layer-active-button,.layer-state-button,.layer-snap-button,.layer-remove-button,.layer-name-button{color:#fff;cursor:pointer;background:0 0;border:none}.layer-add-button{border-radius:4px;width:28px;height:28px;font-size:20px}.layer-add-button:hover,.layer-active-button:hover,.layer-state-button:hover,.layer-snap-button:hover,.layer-remove-button:hover,.layer-name-button:hover{background:#ffffff1a}.layer-list{max-height:260px;overflow-y:auto}.layer-row{border-bottom:1px solid #3d4954;grid-template-columns:28px 30px 30px 30px 1fr 28px;align-items:center;gap:4px;padding:6px 8px;display:grid}.layer-row:last-child{border-bottom:none}.layer-row-active{background:#ffffff14}.layer-active-button,.layer-state-button,.layer-snap-button,.layer-remove-button{border-radius:4px;width:28px;height:28px}.layer-active-button{font-size:12px}.layer-snap-button{opacity:.45;font-size:12px;font-weight:700}.layer-snap-enabled{opacity:1}.layer-name-button{text-align:left;text-overflow:ellipsis;white-space:nowrap;border-radius:4px;min-width:0;padding:6px 8px;font-size:12px;overflow:hidden}.layer-remove-button{font-size:18px}.layer-assign-button{color:#fff;cursor:pointer;background:0 0;border:1px solid #596875;border-radius:5px;width:calc(100% - 16px);margin:8px;padding:8px}.layer-assign-button:hover{background:#ffffff1a}.model-layer-select{color:#fff;background:#111827;border:1px solid #596875;border-radius:4px;width:100%;margin-top:6px;padding:4px 6px;font-size:11px}.workplane-button{font-weight:700}.workplane-button-off{opacity:.62}.workplane-edit-button-active{outline-offset:1px;outline:2px solid}.workplane-edit-status{color:#fff;vertical-align:middle;background:#1f2933eb;border-radius:5px;max-width:360px;margin-left:8px;padding:7px 10px;font-size:12px;display:inline-block}body:has(input[accept=".step,.stp,.ifc"])>div[style*="left: 392px"][style*="width: 360px"][style*="z-index: 45"]{left:424px!important}.bim-toolbar>button:first-of-type{display:none}.layer-panel-collapsed{width:150px}.layer-panel-collapsed .layer-panel-header{border-bottom:none}.layer-toggle-button{color:#fff;cursor:pointer;min-width:0;font:inherit;background:0 0;border:none;border-radius:4px;align-items:center;gap:7px;padding:5px 6px;display:inline-flex}.layer-toggle-button:hover{background:#ffffff1a}.layer-toggle-icon{color:#cbd5df;flex:0 0 12px;width:12px;font-size:12px;line-height:1}