:root{--bg:#2b2b2b;--scene:#383838;--panel:#161618f7;--border:#333338;--text:#f4f4f5;--muted:#a1a1aa;--accent:#6366f1;--accent-dim:#6366f12e;--accent-hover:#818cf8;--danger:#f87171;--mono:ui-monospace, "Cascadia Code", Menlo, monospace;--sans:system-ui, "Segoe UI", Roboto, "Inter", sans-serif;--rp:11px;--rc:7px;--shadow:0 10px 36px #0009}*{box-sizing:border-box}html,body{height:100%;font-family:var(--sans);color:var(--text);background:var(--bg);margin:0;font-size:13px;overflow:hidden}#c{touch-action:none;width:100%;height:100%;display:block}#ui{z-index:2;border-radius:var(--rp);background:var(--panel);border:1px solid var(--border);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);width:min(224px,100vw - 24px);max-height:calc(100vh - 24px);box-shadow:var(--shadow);padding:11px 13px;position:fixed;top:12px;left:12px;overflow-y:auto}header{justify-content:space-between;align-items:center;gap:6px;margin-bottom:8px;display:flex}header h1{letter-spacing:-.02em;flex:1;margin:0;font-size:13px;font-weight:700}.help-btn{border:1px solid var(--border);width:18px;height:18px;color:var(--muted);cursor:pointer;background:#ffffff0d;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;padding:0;font-size:10px;font-weight:700;line-height:1;display:flex}.help-btn:hover{color:var(--text);background:#ffffff1a}.help-btn.active{background:var(--accent-dim);border-color:var(--accent);color:#e0e7ff}.shortcuts-panel{border-top:1px solid var(--border);padding:6px 0 4px}.shortcuts-panel table{border-collapse:collapse;width:100%}.shortcuts-panel td{vertical-align:middle;padding:2px 0;font-size:10px;line-height:1.35}.shortcuts-panel td:first-child{color:var(--text);white-space:nowrap;padding-right:10px}.shortcuts-panel td:last-child{color:var(--muted)}.panel{border-top:1px solid var(--border);padding:7px 0}.panel-subhead{letter-spacing:.08em;text-transform:uppercase;color:var(--muted);opacity:.6;margin:0 0 5px;font-size:9px}.toggle-label{color:var(--muted);cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:5px;font-size:11px;display:flex}.panel:first-of-type{border-top:none;padding-top:0}.ctrl-row{align-items:center;gap:8px;padding:2px 0;display:flex}.ctrl-label{color:var(--muted);white-space:nowrap;flex:0 0 52px;font-size:11px}.file-btn{text-align:center;border-radius:var(--rc);border:1px solid var(--border);width:100%;color:var(--muted);cursor:pointer;-webkit-user-select:none;user-select:none;background:#ffffff0f;margin-top:6px;padding:6px 12px;font-size:11px;transition:background .15s,color .15s;display:block}.file-btn:first-child{margin-top:0}.file-btn:hover{color:var(--text);background:#ffffff1c}.file-btn-primary{border-color:var(--accent);background:var(--accent-dim);color:#e0e7ff}.file-btn-primary:hover{color:#fff;background:#6366f147}#file-splat{display:none}.seg{flex:1;gap:3px;display:flex}.seg button{border-radius:var(--rc);border:1px solid var(--border);color:var(--text);cursor:pointer;white-space:nowrap;background:#ffffff0a;flex:1;padding:4px 5px;font-size:11px;line-height:1.4}.seg button:hover{background:#ffffff14}.seg button.active{border-color:var(--accent);background:var(--accent-dim);color:#e0e7ff}.color-input{border:1px solid var(--border);cursor:pointer;background:0 0;border-radius:5px;flex-shrink:0;width:36px;height:22px;padding:0}.num-input{border:1px solid var(--border);width:74px;color:var(--text);font-family:var(--mono);background:#ffffff0d;border-radius:5px;flex-shrink:0;padding:3px 6px;font-size:11px}.ctrl-row input[type=range]{accent-color:var(--accent);flex:1;margin:0}#gui-fly-speed,.dp-row input[type=range]{appearance:none;background:0 0;height:14px}#gui-fly-speed::-webkit-slider-runnable-track{background:#6366f13d;border-radius:999px;height:3px}.dp-row input[type=range]::-webkit-slider-runnable-track{background:#6366f13d;border-radius:999px;height:3px}#gui-fly-speed::-webkit-slider-thumb{appearance:none;background:var(--accent);cursor:pointer;border:1px solid #e0e7ff8c;border-radius:50%;width:10px;height:10px;margin-top:-3.5px}.dp-row input[type=range]::-webkit-slider-thumb{appearance:none;background:var(--accent);cursor:pointer;border:1px solid #e0e7ff8c;border-radius:50%;width:10px;height:10px;margin-top:-3.5px}#gui-fly-speed::-moz-range-track{background:#6366f13d;border-radius:999px;height:3px}.dp-row input[type=range]::-moz-range-track{background:#6366f13d;border-radius:999px;height:3px}#gui-fly-speed::-moz-range-thumb{background:var(--accent);cursor:pointer;border:1px solid #e0e7ff8c;border-radius:50%;width:10px;height:10px}.dp-row input[type=range]::-moz-range-thumb{background:var(--accent);cursor:pointer;border:1px solid #e0e7ff8c;border-radius:50%;width:10px;height:10px}.hint-line{color:var(--muted);margin:3px 0 1px;font-size:10px;line-height:1.4}.hint-line strong{color:var(--text);font-weight:600}kbd{font-family:var(--mono);background:#0006;border:1px solid #ffffff14;border-radius:4px;padding:1px 4px;font-size:10px}button.primary{border:1px solid var(--accent);border-radius:var(--rc);background:var(--accent-dim);color:#e0e7ff;cursor:pointer;width:100%;margin-top:1px;padding:7px 12px;font-size:12px;font-weight:600;box-shadow:0 3px 12px #6366f12e}button.primary:hover{color:#fff;background:#6366f147}.panel-export{padding-bottom:0}.status{color:var(--muted);margin:5px 0 0;font-size:10px;line-height:1.35}.status:empty{display:none}.status.error{color:var(--danger)}#hierarchy{z-index:2;border-radius:var(--rp);background:var(--panel);border:1px solid var(--border);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);width:min(194px,100vw - 24px);max-height:calc(100vh - 24px);box-shadow:var(--shadow);flex-direction:column;display:flex;position:fixed;top:12px;right:12px;overflow:hidden}.hier-header{border-bottom:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;padding:8px 10px 7px;display:flex}.hier-title{color:var(--text);letter-spacing:.01em;text-transform:uppercase;font-size:11px;font-weight:700}.hier-global-btns{gap:3px;display:flex}.hier-global-btn{border:1px solid var(--border);width:22px;height:20px;color:var(--muted);cursor:pointer;background:#ffffff0a;border-radius:5px;justify-content:center;align-items:center;padding:0;line-height:1;display:flex}.hier-global-btn:hover{color:var(--text);background:#ffffff17}.hier-list{flex:1;padding:4px 0;overflow-y:auto}.hier-empty{color:var(--muted);text-align:center;padding:16px 10px;font-size:11px}.hier-item{cursor:pointer;-webkit-user-select:none;user-select:none;border-radius:6px;align-items:center;gap:1px;margin:0 3px;padding:3px 6px 3px 8px;display:flex}.hier-item:hover{background:#ffffff0d}.hier-item.is-selected{background:var(--accent-dim)}.hier-item-name{color:var(--text);text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;padding-right:2px;font-size:11px;overflow:hidden}.hier-item.is-hidden .hier-item-name{opacity:.35}.hier-item.is-locked .hier-item-name{opacity:.55}.hier-btn{width:20px;height:20px;color:var(--muted);cursor:pointer;opacity:.38;background:0 0;border:none;border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;padding:0;transition:opacity .1s,background .1s;display:flex}.hier-btn:hover{opacity:1;background:#ffffff1a}.hier-item.is-hidden .hier-vis-btn{opacity:.55}.hier-item.is-locked .hier-lock-btn{opacity:1;color:#f59e0b}#depth-panel{z-index:200;pointer-events:none;flex-direction:column-reverse;align-items:flex-end;gap:6px;display:flex;position:fixed;bottom:16px;right:16px}#depth-panel-toggle{pointer-events:all;border:1px solid var(--border);background:var(--panel);color:var(--muted);cursor:pointer;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-radius:20px;padding:5px 11px;font-size:11px;transition:color .15s,background .15s}#depth-panel-toggle:hover{color:var(--text)}#depth-panel-toggle.active{color:var(--text);border-color:var(--accent)}#depth-panel-body{pointer-events:all;background:var(--panel);border:1px solid var(--border);border-radius:var(--rp);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);width:238px;box-shadow:var(--shadow);padding:10px 12px;overflow:hidden}#depth-panel-body[hidden]{display:none}.dp-head{letter-spacing:.08em;text-transform:uppercase;color:var(--muted);opacity:.55;margin:8px 0 4px;font-size:9px}.dp-head:first-child{margin-top:0}.dp-row{align-items:center;gap:8px;padding:2px 0;display:flex}.dp-lbl{color:var(--muted);white-space:nowrap;flex:0 0 72px;font-size:11px}.dp-num{border:1px solid var(--border);border-radius:var(--rc);width:52px;color:var(--text);text-align:right;background:#ffffff0f;padding:3px 5px;font-size:11px}.dp-row input[type=range]{width:0;min-width:0;max-width:100%;accent-color:var(--accent);flex:1;margin:0}.dp-row input[type=checkbox]{accent-color:var(--accent);cursor:pointer;width:13px;height:13px}.dp-color{border:1px solid var(--border);border-radius:var(--rc);cursor:pointer;background:#ffffff0f;width:52px;height:22px;padding:1px 2px}