html,body{height:100%;overflow:hidden;overscroll-behavior:none;touch-action:none}body{margin:0;--tools-panel-height: 56px;--tools-panel-safe-bottom: env(safe-area-inset-bottom, 0px);--tools-panel-offset: calc(var(--tools-panel-height) + var(--tools-panel-safe-bottom))}#container{position:absolute;top:0;left:0;width:100%;height:100%}.scene-container{position:fixed;top:0;right:0;bottom:0;left:0;width:100%;height:100%;box-sizing:border-box;padding-bottom:var(--tools-panel-offset);touch-action:none}canvas{touch-action:none}#objectListContainer{position:fixed;top:0;left:0;bottom:0;width:300px;overflow-y:auto;overflow-x:hidden;border-right:1px solid #ccc;background-color:#fff;z-index:1000;-webkit-user-select:none;user-select:none}#objectList{position:absolute;top:10px;left:10px;background-color:#fffc;padding:10px;border-radius:5px;max-width:400px;font-family:Arial,sans-serif;font-size:14px;z-index:1000}.object-item{cursor:pointer;padding:5px 0;font-weight:700}.object-item ul{padding-left:15px;margin:0;display:none}.object-item.open>ul{display:block}.object-item>span{font-weight:400;cursor:pointer}#errorMessage{color:red}.tools-panel{position:fixed;left:0;right:0;bottom:0;background:#ffffffe6;padding:8px 10px calc(8px + var(--tools-panel-safe-bottom));min-height:var(--tools-panel-height);box-sizing:border-box;z-index:1100;overflow-x:auto;overflow-y:hidden}.tools-panel__content{min-width:100%;width:max-content;margin:0 auto;display:flex;justify-content:center;align-items:center;gap:8px;white-space:nowrap}.measure-controls,.explosion-controls,.cut-controls{display:flex;align-items:center;gap:8px}.tool-button{height:52px;min-width:74px;padding:6px 10px;box-sizing:border-box;border:1px solid #d4d4d4;border-radius:10px;background:#fff;color:#303030;display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer;flex:0 0 auto;transition:background-color .16s ease,border-color .16s ease,color .16s ease}.tool-button:hover{background:#f3f7ff;border-color:#a9c2ff}.tool-button.active{background:#e8f0ff;border-color:#4f7ff1;color:#1f4bbd}.tool-button__icon{display:inline-flex;align-items:center;justify-content:center;font-size:20px;line-height:1}.tool-button__label{font-size:11px;line-height:1;font-weight:500}.tool-button--secondary{min-width:80px;background:#f8f8f8}.explosion-controls,.cut-controls{position:relative}.cut-status{position:absolute;left:50%;transform:translate(-50%);bottom:calc(100% + 8px);padding:6px 8px;border-radius:8px;border:1px solid #d4d4d4;background:#fffffff7;font-size:12px}.explosion-slider{position:absolute;left:50%;transform:translate(-50%);bottom:calc(100% + 8px);width:180px;padding:8px 10px;border-radius:10px;border:1px solid #d4d4d4;background:#fffffff7}.explosion-slider label{display:block;margin-bottom:6px;font-size:12px}.object-list{position:absolute;top:60px;left:10px;background:#fffc;padding:10px;border-radius:5px;max-height:80vh;overflow-y:auto;display:none}.tools-panel input[type=range]{width:100%;margin-top:0}.view-select-wrapper{display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;flex:0 0 auto;height:52px;min-width:84px;padding:6px 10px;box-sizing:border-box;border:1px solid #d4d4d4;border-radius:10px;background:#fff}.view-select-icon{font-size:20px;cursor:default;opacity:.9;line-height:1}.view-select{max-width:84px;font-size:11px}.category-hide-button.is-disabled{opacity:.5;cursor:not-allowed}#scene-category-hide-panel .category-panel-header{display:flex;align-items:center;justify-content:space-between;gap:8px}#scene-category-hide-panel .category-panel-close{width:28px;height:28px;border:1px solid #d7dde6;border-radius:8px;background:#fff;color:#1f2937;font-size:18px;line-height:1;cursor:pointer}#scene-category-hide-panel .category-panel-close:hover{background:#f3f7ff;border-color:#a9c2ff}#scene-category-hide-panel .category-panel-divider{height:1px;background:#e5e7eb;margin:10px 0}#scene-category-hide-panel .category-item{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:8px;padding:6px 4px;border-radius:8px}#scene-category-hide-panel .category-item:hover{background:#4f7ff114}#scene-category-hide-panel .category-checkbox{margin:0;width:14px;height:14px}#scene-category-hide-panel .category-label{font-size:13px;color:#111827;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}#scene-category-hide-panel .category-count{font-size:12px;color:#6b7280}#scene-category-hide-panel .panel-actions{display:flex;justify-content:flex-end;gap:8px}#scene-category-hide-panel .btn-primary,#scene-category-hide-panel .btn-secondary{height:30px;padding:0 10px;border-radius:8px;border:1px solid #d4d4d4;font-size:12px;cursor:pointer}#scene-category-hide-panel .btn-primary{background:#2f6df6;border-color:#2f6df6;color:#fff}#scene-category-hide-panel .btn-primary:hover{background:#2459cb;border-color:#2459cb}#scene-category-hide-panel .btn-secondary{background:#fff;color:#374151}#scene-category-hide-panel .btn-secondary:hover{background:#f3f4f6}#scene-light-shadow-panel .light-shadow-panel-header{display:flex;align-items:center;justify-content:space-between;gap:8px}#scene-light-shadow-panel .light-shadow-panel-close{width:28px;height:28px;border:1px solid #d7dde6;border-radius:8px;background:#fff;color:#1f2937;font-size:18px;line-height:1;cursor:pointer}#scene-light-shadow-panel .light-shadow-panel-close:hover{background:#f3f7ff;border-color:#a9c2ff}#scene-light-shadow-panel .light-shadow-panel-divider{height:1px;background:#e5e7eb;margin:10px 0}#scene-light-shadow-panel .light-shadow-section{display:grid;gap:10px}#scene-light-shadow-panel .light-shadow-section__title{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:#6b7280}#scene-light-shadow-panel .light-shadow-field{display:grid;gap:6px}#scene-light-shadow-panel .light-shadow-checkbox-row{display:inline-flex;align-items:center;gap:8px}#scene-light-shadow-panel .light-shadow-checkbox{margin:0;width:14px;height:14px}#scene-light-shadow-panel .light-shadow-field__head{display:flex;justify-content:space-between;align-items:center;gap:8px}#scene-light-shadow-panel .light-shadow-field__label{color:#111827;font-size:12px}#scene-light-shadow-panel .light-shadow-field__value{color:#4b5563;font-size:12px;font-variant-numeric:tabular-nums}#scene-light-shadow-panel .light-shadow-range{width:100%}#scene-light-shadow-panel .light-shadow-select,#scene-light-shadow-panel .light-shadow-color{width:100%;height:32px;border:1px solid #d4d4d4;border-radius:8px;background:#fff}#scene-light-shadow-panel .light-shadow-panel-actions{display:flex;justify-content:flex-end}#scene-light-shadow-panel .btn-secondary{height:30px;padding:0 10px;border-radius:8px;border:1px solid #d4d4d4;font-size:12px;cursor:pointer;background:#fff;color:#374151}#scene-light-shadow-panel .btn-secondary:hover{background:#f3f4f6}