:root{--bg: #16171b;--bg-grad: radial-gradient(1200px 800px at 60% 35%, #20222a 0%, #16171b 70%);--panel: #1c1e23;--panel-2: #24262d;--panel-3: #2d3038;--line: #33373f;--line-soft: #2a2d34;--text: #e9ebef;--dim: #969ca6;--accent: #4c9ffe;--accent-2: #2f7fe0;--accent-weak: rgba(76, 159, 254, .16);--danger: #ff6a60;--ok: #5cc98a;--radius: 9px;--radius-sm: 6px;--shadow: 0 6px 24px rgba(0, 0, 0, .4);--font: "Segoe UI", "Malgun Gothic", -apple-system, system-ui, sans-serif}*{box-sizing:border-box}[hidden]{display:none!important}html,body{margin:0;height:100%}body{font-family:var(--font);background:var(--bg);color:var(--text);overflow:hidden;user-select:none;-webkit-font-smoothing:antialiased}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:#3a3e47;border-radius:6px;border:2px solid transparent;background-clip:content-box}::-webkit-scrollbar-thumb:hover{background:#474c57;background-clip:content-box}::-webkit-scrollbar-track{background:transparent}#app{display:flex;height:100vh;width:100vw}#sidebar{width:300px;min-width:300px;background:var(--panel);border-right:1px solid var(--line-soft);display:flex;flex-direction:column}.sidebar-head{padding:16px 16px 12px;border-bottom:1px solid var(--line-soft)}.sidebar-head h1{font-size:14px;font-weight:650;margin:0 0 12px;letter-spacing:.3px;display:flex;align-items:center;gap:8px;color:var(--text)}.sidebar-head h1:before{content:"";width:10px;height:10px;border-radius:3px;background:linear-gradient(135deg,var(--accent),#7b5cff);box-shadow:0 0 10px var(--accent-weak)}.mode-switch{display:flex;gap:3px;margin:0 0 12px;background:var(--panel-2);border-radius:8px;padding:3px;border:1px solid var(--line-soft)}.ms-btn{flex:1;padding:8px;border:none;background:transparent;color:var(--dim);border-radius:6px;cursor:pointer;font-size:13px;font-weight:550;transition:all .12s}.ms-btn:hover{color:var(--text)}.ms-btn.active{background:var(--accent-2);color:#fff;box-shadow:0 2px 8px #2f7fe059}.btn{display:block;width:100%;padding:9px 10px;border-radius:var(--radius-sm);border:1px solid var(--line);background:var(--panel-2);color:var(--text);font-size:12.5px;cursor:pointer;transition:background .12s,border-color .12s;white-space:nowrap;text-align:center}.mp-row>.btn{flex:1;width:auto}.mp-row>input,.mp-row>select{flex:1;width:auto}.btn:hover{background:var(--panel-3)}.btn:active{transform:translateY(1px)}.btn.primary{background:var(--accent-2);border-color:var(--accent);color:#fff;font-weight:600}.btn.primary:hover{background:var(--accent)}.btn.toggle-btn.active{background:var(--accent-2);border-color:var(--accent);color:#fff;box-shadow:0 0 0 1px var(--accent-weak)}.btn:disabled{opacity:.4;cursor:default}.btn:disabled:hover{background:var(--panel-2)}.mini{background:var(--panel-2);color:var(--text);border:1px solid var(--line);border-radius:5px;padding:4px 9px;font-size:12px;cursor:pointer}.mini:hover{background:var(--panel-3)}input[type=number],input[type=text],select{background:#171921;border:1px solid var(--line);color:var(--text);border-radius:var(--radius-sm);padding:7px 9px;font-size:12.5px;width:100%;outline:none}input[type=number]:focus,input[type=text]:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-weak)}.tree-wrap{display:flex;flex-direction:column;flex:1;min-height:0;overflow:hidden}#right-panel{width:300px;min-width:300px;background:var(--panel);border-left:1px solid var(--line-soft);display:flex;flex-direction:column}.rp-head{padding:14px 16px;font-size:13px;font-weight:650;letter-spacing:.3px;border-bottom:1px solid var(--line-soft);display:flex;align-items:center;gap:8px}.rp-head:before{content:"";width:8px;height:8px;border-radius:2px;background:var(--accent)}.rp-body{flex:1;overflow:auto;padding:14px}.mp-section{margin-bottom:12px;padding:12px;border-radius:var(--radius);background:var(--panel-2);border:1px solid var(--line-soft)}.mp-title{font-size:11px;color:var(--dim);text-transform:uppercase;letter-spacing:.6px;margin-bottom:9px;font-weight:600}.mp-row{display:flex;gap:6px;align-items:center}.mp-row .btn{padding:8px 6px}.mp-add{flex:1}.solid-list{display:flex;flex-direction:column;gap:4px;max-height:190px;overflow:auto}.solid-item{display:flex;align-items:center;gap:8px;padding:7px 9px;border-radius:var(--radius-sm);background:#191b21;cursor:pointer;font-size:13px;border:1px solid transparent;transition:all .1s}.solid-item:hover{background:var(--panel-3)}.solid-item.selected{border-color:var(--accent);background:var(--accent-weak)}.solid-item .sw{width:12px;height:12px;border-radius:3px;flex:0 0 auto;box-shadow:inset 0 0 0 1px #ffffff26}.solid-item .order{margin-left:auto;font-size:11px;font-weight:700;color:var(--accent)}#param-fields{display:grid;grid-template-columns:auto 1fr;gap:7px 10px;align-items:center;font-size:12.5px}#param-fields label{color:var(--dim)}#param-fields input[type=color]{width:100%;height:28px;padding:2px;background:#171921;border:1px solid var(--line);border-radius:var(--radius-sm);cursor:pointer}#model-status{margin-top:8px;font-size:12px;color:var(--accent);min-height:15px;padding:0 2px}.tree-head{display:flex;align-items:center;justify-content:space-between;padding:12px 16px 8px;font-size:11px;color:var(--dim);text-transform:uppercase;letter-spacing:.6px;font-weight:600}.tree-head-actions{display:flex;gap:4px}.tree{flex:1;overflow:auto;padding:4px 8px 12px}.node{font-size:13px}.node-row{display:flex;align-items:center;gap:5px;padding:4px 5px;border-radius:var(--radius-sm);cursor:pointer;white-space:nowrap}.node-row:hover{background:var(--panel-2)}.node-row.selected{background:var(--accent-weak);box-shadow:inset 0 0 0 1px var(--accent-weak)}.node-caret{width:14px;text-align:center;color:var(--dim);transition:transform .12s;flex:0 0 auto;font-size:10px}.node-caret.collapsed{transform:rotate(-90deg)}.node-caret.leaf{visibility:hidden}.node-eye{width:16px;flex:0 0 auto;opacity:.85}.node-eye.off{opacity:.3}.node-swatch{width:12px;height:12px;border-radius:3px;flex:0 0 auto;border:1px solid rgba(255,255,255,.25);cursor:pointer}.node-name{overflow:hidden;text-overflow:ellipsis}.node-children{margin-left:15px}.node-children.collapsed{display:none}#viewer-open-group #btn-open{margin-bottom:6px}.sidebar-head #viewer-open-group{display:flex;flex-direction:column}.sidebar-foot{padding:12px 16px;font-size:11px;color:var(--dim);border-top:1px solid var(--line-soft);line-height:1.7}#viewport{flex:1;position:relative;overflow:hidden;background:var(--bg-grad)}#canvas{display:block;width:100%;height:100%}#toolbar{position:absolute;top:12px;left:54px;right:12px;display:flex;gap:4px 6px;z-index:5;flex-wrap:wrap;justify-content:center;align-items:center;background:#1c1e23d1;backdrop-filter:blur(12px);padding:6px 10px;border-radius:12px;border:1px solid var(--line);box-shadow:var(--shadow)}.tool-group{display:flex;gap:2px;padding:0 6px;border-right:1px solid var(--line-soft)}.tool-group:last-child{border-right:none}.tool{background:transparent;color:var(--text);border:1px solid transparent;border-radius:7px;padding:6px 9px;font-size:12px;cursor:pointer;white-space:nowrap;transition:background .1s}#toolbar-toggle{position:absolute;top:12px;left:12px;z-index:6;width:34px;height:34px;background:#1c1e23d9;backdrop-filter:blur(12px);color:var(--text);border:1px solid var(--line);border-radius:9px;cursor:pointer;font-size:12px;box-shadow:var(--shadow)}#toolbar-toggle:hover{background:var(--panel-3)}#panel-toggle{position:fixed;top:66px;z-index:7;width:22px;height:56px;background:#1c1e23eb;backdrop-filter:blur(12px);color:var(--text);border:1px solid var(--line);border-radius:8px 0 0 8px;cursor:pointer;font-size:12px;box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;transition:right .16s}#panel-toggle:hover,.tool:hover{background:var(--panel-3)}.tool:disabled{opacity:.4;cursor:default}.tool.toggle.active{background:var(--accent-2);border-color:var(--accent);color:#fff}.floating-panel{position:absolute;z-index:6;background:#1c1e23f0;border:1px solid var(--line);border-radius:var(--radius);padding:13px;box-shadow:var(--shadow);font-size:13px;min-width:230px}#section-panel{top:66px;right:14px}#measure-panel{bottom:14px;left:14px;display:flex;flex-direction:column;gap:9px;align-items:stretch;min-width:250px}.floating-panel .row{display:flex;align-items:center;gap:8px;margin:6px 0}.floating-panel label{width:34px;color:var(--dim)}.floating-panel select,.floating-panel input[type=range]{flex:1}.measure-modes{display:flex;gap:4px}.measure-modes .mmode{flex:1}.mmode.active{background:var(--accent-2);border-color:var(--accent);color:#fff}#measure-readout{font-variant-numeric:tabular-nums;line-height:1.5}#note-input{position:absolute;z-index:8;width:210px;background:#1e4682f5;color:#fff;border:1px solid var(--accent);border-radius:var(--radius-sm);padding:8px 11px;font-size:13px;outline:none;box-shadow:var(--shadow)}#note-input::placeholder{color:#fff9}.drop-hint{position:absolute;inset:0;z-index:4;display:flex;align-items:center;justify-content:center;pointer-events:none;transition:opacity .2s}.drop-hint.dragover{background:var(--accent-weak)}.drop-hint.dragover .drop-inner{border-color:var(--accent);background:var(--accent-weak)}.drop-inner{text-align:center;padding:44px 66px;border:2px dashed var(--line);border-radius:16px;color:var(--dim)}.drop-inner p{margin:6px 0}.drop-inner strong{color:var(--text)}.drop-icon{font-size:46px;margin-bottom:10px;opacity:.8}.dim{color:var(--dim);font-size:12px}.loading{position:absolute;inset:0;z-index:20;display:flex;flex-direction:column;gap:16px;align-items:center;justify-content:center;background:#16171bd1;backdrop-filter:blur(3px)}.spinner{width:44px;height:44px;border-radius:50%;border:4px solid var(--line);border-top-color:var(--accent);animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}#loading-text{color:var(--text);font-size:13px;text-align:center}#hud{position:absolute;bottom:12px;right:14px;z-index:5;font-size:11px;color:var(--dim);text-align:right;pointer-events:none;line-height:1.6;text-shadow:0 1px 3px rgba(0,0,0,.7)}.head-links{display:flex;gap:6px;margin:0 0 12px}.link-btn{flex:1;padding:7px 8px;border:1px solid var(--line);background:var(--panel-2);color:var(--dim);border-radius:7px;cursor:pointer;font-size:12px;font-weight:550;transition:all .12s;font-family:var(--font)}.link-btn:hover{color:var(--text);background:var(--panel-3);border-color:var(--accent)}.modal-overlay{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;background:#06070a9e;backdrop-filter:blur(3px);padding:24px}.modal{width:min(760px,100%);max-height:min(86vh,900px);display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);border-radius:14px;box-shadow:0 20px 70px #0009;position:relative;overflow:hidden}.modal-close{position:absolute;top:12px;right:12px;z-index:2;width:30px;height:30px;border:1px solid var(--line);background:var(--panel-2);color:var(--dim);border-radius:8px;cursor:pointer;font-size:14px;line-height:1}.modal-close:hover{color:var(--text);background:var(--panel-3);border-color:var(--danger)}.modal-tabs{display:flex;gap:3px;padding:14px 56px 12px 16px;border-bottom:1px solid var(--line-soft);flex-wrap:wrap;background:var(--panel)}.modal-tab{padding:7px 12px;border:1px solid transparent;background:transparent;color:var(--dim);border-radius:8px;cursor:pointer;font-size:12.5px;font-weight:550;font-family:var(--font);white-space:nowrap}.modal-tab:hover{color:var(--text)}.modal-tab.active{color:var(--text);background:var(--accent-weak);border-color:var(--accent)}.modal-body{overflow-y:auto;padding:4px 24px 20px;user-select:text}.modal-pane{display:none}.modal-pane.active{display:block}.modal-foot{padding:12px 24px;border-top:1px solid var(--line-soft);font-size:11px}.modal-body h2{font-size:18px;margin:18px 0 6px;color:var(--text)}.modal-body h3{font-size:14px;margin:20px 0 6px;color:var(--accent)}.modal-body p,.modal-body li{font-size:13px;line-height:1.7;color:var(--text)}.modal-body p.lead{color:var(--text);background:var(--panel-2);border:1px solid var(--line-soft);padding:12px 14px;border-radius:9px}.modal-body p.dim,.modal-body .dim{color:var(--dim)}.modal-body ul{margin:6px 0;padding-left:20px}.modal-body li{margin:3px 0}.modal-body a{color:var(--accent);text-decoration:none}.modal-body a:hover{text-decoration:underline}.modal-body b{color:var(--text);font-weight:650}.lic-table{width:100%;border-collapse:collapse;margin:10px 0;font-size:12.5px}.lic-table th,.lic-table td{border:1px solid var(--line-soft);padding:8px 10px;text-align:left;vertical-align:top}.lic-table th{background:var(--panel-2);color:var(--dim);font-weight:600}.title-row{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:0 0 12px}.title-row h1{margin:0}.lang-toggle{flex:none;padding:4px 10px;border:1px solid var(--line);background:var(--panel-2);color:var(--dim);border-radius:999px;cursor:pointer;font-size:11px;font-weight:650;letter-spacing:.4px;font-family:var(--font);transition:all .12s;white-space:nowrap}.lang-toggle:hover{color:var(--text);background:var(--panel-3);border-color:var(--accent)}.head-links{margin-top:0}.rp-head{justify-content:space-between}.rp-head span{flex:1}.adv-toggle{flex:none;padding:4px 10px;border:1px solid var(--line);background:var(--panel-2);color:var(--dim);border-radius:999px;cursor:pointer;font-size:11px;font-weight:650;font-family:var(--font);transition:all .12s;white-space:nowrap}.adv-toggle:hover{color:var(--text);background:var(--panel-3);border-color:var(--accent)}#right-panel.adv .adv-toggle{color:var(--accent);border-color:var(--accent);background:var(--accent-weak)}#right-panel:not(.adv) .adv-only{display:none!important}