:root{--bg-main: #0b0e14;--bg-panel: #12161f;--bg-panel-soft: #161b26;--bg-control: #1c2330;--border-subtle: rgba(120, 150, 190, .12);--border-active: rgba(56, 189, 248, .45);--text-main: #cdd6e4;--text-muted: #8b97ab;--text-dim: #5c6a82;--accent: #38bdf8;--accent-bg: rgba(56, 189, 248, .14);--success: #34d399;--warning: #f5a524;--danger: #e5484d;--shadow-panel: 0 4px 16px rgba(0, 0, 0, .35);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 12px;--font: "Inter", "Segoe UI", system-ui, sans-serif;--mono: "JetBrains Mono", "Cascadia Code", Consolas, monospace;--bg: var(--bg-main);--panel: var(--bg-panel);--panel-border: var(--border-subtle);--panel-header: var(--bg-panel-soft);--text: var(--text-main);--text-faint: var(--text-dim);--accent-soft: var(--accent-bg);--good: var(--success);--warn: var(--warning);--input-bg: var(--bg-control);--input-border: var(--border-subtle);--radius: var(--radius-md)}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;overflow:hidden}body{font-family:var(--font);font-size:12.5px;color:var(--text-main);background:var(--bg-main);-webkit-user-select:none;user-select:none;-webkit-font-smoothing:antialiased}#app{display:flex;flex-direction:column;height:100vh}#topbar{display:flex;align-items:center;gap:18px;height:46px;flex:0 0 46px;padding:0 14px;background:var(--bg-panel-soft);border-bottom:1px solid var(--border-subtle);z-index:30}.tb-group{display:flex;align-items:center;gap:6px}.tb-brand{gap:9px;margin-right:8px}.logo{width:22px;height:22px;color:var(--accent);flex-shrink:0}.app-name{font-weight:700;letter-spacing:1.5px;font-size:13px;color:#e8eef8}.app-version{font-size:10.5px;color:var(--text-dim);font-family:var(--mono);margin-top:2px}.tb-right{margin-left:auto}.tb-btn{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 10px;background:transparent;border:1px solid transparent;border-radius:var(--radius-sm);color:var(--text-muted);font-family:var(--font);font-size:12px;cursor:pointer;white-space:nowrap;transition:background .12s ease,color .12s ease,border-color .12s ease}.tb-btn:hover{background:var(--bg-control);color:var(--text-main);border-color:var(--border-subtle)}.tb-btn.active{background:var(--accent-bg);color:var(--accent);border-color:var(--border-active)}.tb-btn svg{width:14px;height:14px}.tb-btn .caret{width:8px;height:8px}.tb-dropdown{position:relative}.tb-menu{position:absolute;top:32px;left:0;min-width:170px;background:var(--bg-panel);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);padding:4px;display:none;flex-direction:column;z-index:50;box-shadow:var(--shadow-panel)}.tb-menu.open{display:flex}.tb-menu button{background:none;border:none;color:var(--text-main);font-family:var(--font);font-size:12px;text-align:left;padding:7px 10px;border-radius:4px;cursor:pointer}.tb-menu button:hover{background:var(--accent-bg);color:var(--accent)}.app-shell{position:relative;flex:1;display:grid;grid-template-columns:44px 280px 1fr 260px;overflow:hidden;min-height:0}.app-shell:has(.viewport-area:only-child){grid-template-columns:1fr}#app.preview-mode .app-shell,#app.infinite-mode .app-shell{grid-template-columns:1fr}.icon-rail{display:flex;flex-direction:column;align-items:center;gap:4px;padding:10px 6px;background:var(--bg-panel);border-right:1px solid var(--border-subtle);z-index:12}.icon-rail-btn{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border:1px solid transparent;border-radius:var(--radius-sm);background:transparent;color:var(--text-dim);cursor:pointer;transition:background .12s ease,color .12s ease,border-color .12s ease}.icon-rail-btn svg{width:18px;height:18px}.icon-rail-btn:hover{background:var(--bg-control);color:var(--text-muted);border-color:var(--border-subtle)}.icon-rail-btn.active{background:var(--accent-bg);color:var(--accent);border-color:var(--border-active)}.left-control-panel{display:flex;flex-direction:column;min-height:0;background:var(--bg-panel);border-right:1px solid var(--border-subtle);z-index:11}.left-control-scroll{flex:1;overflow-y:auto;overflow-x:hidden;padding:10px;display:flex;flex-direction:column;gap:8px}.left-control-scroll::-webkit-scrollbar{width:6px}.left-control-scroll::-webkit-scrollbar-thumb{background:#ffffff14;border-radius:3px}.right-inspector-panel{display:flex;flex-direction:column;min-height:0;background:var(--bg-panel);border-left:1px solid var(--border-subtle);z-index:11}.right-inspector-scroll{flex:1;overflow-y:auto;padding:10px;display:flex;flex-direction:column;gap:8px}.right-inspector-scroll::-webkit-scrollbar{width:6px}.right-inspector-scroll::-webkit-scrollbar-thumb{background:#ffffff14;border-radius:3px}.control-section{background:var(--bg-panel-soft);border:1px solid var(--border-subtle);border-radius:var(--radius-md);overflow:hidden;flex-shrink:0}.control-section-header{display:flex;align-items:center;justify-content:space-between;width:100%;padding:10px 12px;background:var(--bg-panel-soft);border:none;cursor:pointer;color:var(--text-muted);font-family:var(--font);text-align:left;transition:background .12s ease}.control-section-header:hover{background:var(--bg-control)}.control-section-left{display:flex;align-items:center;gap:8px;min-width:0}.control-section-icon{display:flex;align-items:center;color:var(--accent);flex-shrink:0}.control-section-icon svg{width:15px;height:15px}.control-section-title{font-size:10px;font-weight:700;letter-spacing:1.3px;color:var(--text-muted)}.control-section-dot{width:6px;height:6px;border-radius:50%;background:var(--text-dim);flex-shrink:0}.control-section-dot.active{background:var(--accent)}.control-section-chevron{display:flex;color:var(--text-dim);transition:transform .15s ease}.control-section-chevron.open{transform:rotate(180deg)}.control-section-body{padding:4px 12px 12px;border-top:1px solid var(--border-subtle)}.control-section-body.collapsed{display:none}.subsection-label{font-size:9.5px;font-weight:700;letter-spacing:1.1px;text-transform:uppercase;color:var(--accent);margin:12px 0 8px;padding-bottom:4px;border-bottom:1px solid var(--border-subtle)}.subsection-label:first-child{margin-top:4px}.section-hint{font-size:11px;color:var(--text-dim);line-height:1.5;padding:4px 0}#main{position:relative;flex:1;overflow:hidden;min-height:0}.viewport-area{position:relative;min-width:0;min-height:0;background:var(--bg-main);overflow:hidden}#viewport{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;display:block}.panel{background:var(--bg-panel-soft);border:1px solid var(--border-subtle);border-radius:var(--radius-md);box-shadow:var(--shadow-panel);overflow:hidden}.panel-header{display:flex;align-items:center;justify-content:space-between;padding:9px 12px;font-size:10.5px;font-weight:700;letter-spacing:1.2px;color:var(--text-muted);background:var(--bg-panel-soft);border-bottom:1px solid var(--border-subtle)}.collapse-btn{background:none;border:none;color:var(--text-dim);cursor:pointer;font-size:14px;line-height:1;padding:2px 6px;border-radius:4px}.collapse-btn:hover{background:var(--bg-control);color:var(--text-main)}.panel-body{padding:10px 12px}.panel-body.collapsed{display:none}.row{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px}.row label{color:var(--text-muted);font-size:12px;flex:1}.row input[type=number],.row input[type=text],.row select{width:92px;height:26px;padding:0 7px;background:var(--bg-control);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-main);font-family:var(--mono);font-size:11px;outline:none}.row input:focus,.row select:focus{border-color:var(--border-active)}.row input[readonly]{color:var(--text-muted)}.row select{font-family:var(--font);cursor:pointer}.row select option{background:var(--bg-panel-soft)}.field-label{display:block;font-size:12px;color:var(--text-muted);margin-bottom:5px}.ctl{margin-bottom:10px}.ctl-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:5px}.ctl-top label{color:var(--text-muted);font-size:12px}.ctl-val{width:64px;height:22px;text-align:right;padding:0 6px;background:var(--bg-control);border:1px solid var(--border-subtle);border-radius:4px;color:var(--text-main);font-family:var(--mono);font-size:10.5px;outline:none}.ctl-val:focus{border-color:var(--border-active)}.slider-track-wrap{position:relative;height:16px;display:flex;align-items:center}.slider-track-bg{position:absolute;left:0;right:0;height:3px;background:var(--bg-control);border-radius:2px;pointer-events:none}.slider-track-fill{position:absolute;left:0;height:3px;background:var(--accent);border-radius:2px;pointer-events:none}.slider-input{-webkit-appearance:none;-moz-appearance:none;appearance:none;position:relative;z-index:1;width:100%;height:16px;background:transparent;cursor:pointer;margin:0}.slider-input::-webkit-slider-runnable-track{height:3px;background:transparent}.slider-input::-webkit-slider-thumb{-webkit-appearance:none;width:12px;height:12px;margin-top:-4.5px;border-radius:50%;background:#dfe9f5;border:2px solid var(--accent);box-shadow:0 1px 3px #0006}.slider-input::-moz-range-track{height:3px;background:transparent}.slider-input::-moz-range-thumb{width:10px;height:10px;border-radius:50%;background:#dfe9f5;border:2px solid var(--accent)}.toggle-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:9px}.toggle-row label{color:var(--text-muted);font-size:12px}.toggle{position:relative;width:32px;height:17px;border-radius:10px;background:var(--bg-control);border:1px solid var(--border-subtle);cursor:pointer;transition:background .15s ease}.toggle:after{content:"";position:absolute;top:2px;left:2px;width:11px;height:11px;border-radius:50%;background:#aab6c8;transition:left .15s ease,background .15s ease}.toggle.on{background:var(--accent);border-color:var(--accent)}.toggle.on:after{left:17px;background:#fff}.action-btn,.wide-btn{display:flex;align-items:center;justify-content:center;gap:7px;width:100%;height:30px;margin-top:4px;background:var(--bg-control);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-main);font-family:var(--font);font-size:12px;cursor:pointer;transition:background .12s ease,border-color .12s ease}.action-btn:hover,.wide-btn:hover{background:#242d3d;border-color:#ffffff24}.action-btn.primary,.wide-btn.primary{background:var(--accent-bg);border-color:var(--border-active);color:var(--accent)}.action-btn.primary:hover,.wide-btn.primary:hover{background:#38bdf838}.action-btn svg,.wide-btn svg{width:14px;height:14px}.icon-btn{display:flex;align-items:center;justify-content:center;width:28px;height:26px;border-radius:var(--radius-sm);background:var(--bg-control);border:1px solid var(--border-subtle);color:var(--text-muted);cursor:pointer;flex-shrink:0}.icon-btn:hover{color:var(--accent);border-color:var(--border-active)}.icon-btn svg{width:14px;height:14px}.seed-row{margin-bottom:8px}.seed-input-wrap{display:flex;gap:6px}.seed-input-wrap input{flex:1;height:26px;padding:0 8px;background:var(--bg-control);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-main);font-family:var(--mono);font-size:11px;outline:none}.seed-input-wrap input:focus{border-color:var(--border-active)}.color-field{display:flex;align-items:center;justify-content:space-between;margin-bottom:7px}.color-field label{font-size:12px;color:var(--text-muted)}.color-field input[type=color]{width:32px;height:22px;padding:0;border:1px solid var(--border-subtle);border-radius:4px;background:var(--bg-control);cursor:pointer}.palette-block{display:flex;flex-direction:column;gap:10px}.palette-preview-wrap{display:flex;align-items:center;gap:8px}.palette-preview{flex:1;height:22px;border-radius:var(--radius-sm);border:1px solid var(--border-subtle);box-shadow:inset 0 1px 3px #00000040}.palette-preview-hint{font-size:10px;color:var(--text-dim);font-family:var(--mono);white-space:nowrap}.palette-generator{padding:10px;border-radius:var(--radius-md);background:var(--bg-panel-soft);border:1px solid var(--border-subtle);display:flex;flex-direction:column;gap:8px}.palette-generator-head{display:flex;align-items:center;justify-content:space-between}.palette-generator-title{font-size:11px;font-weight:600;color:var(--text-main);letter-spacing:.3px}.palette-generator .seed-row{display:flex;flex-direction:column;gap:4px;margin-bottom:0}.palette-generator .seed-row>label{font-size:11px;color:var(--text-muted)}.palette-generate-btn{width:100%;justify-content:center;margin-top:2px}.palette-preset-row{margin-top:2px}.palette-groups{display:flex;flex-direction:column;gap:4px}.palette-group{border-radius:var(--radius-sm);border:1px solid var(--border-subtle);background:var(--bg-control);overflow:hidden}.palette-group-header{display:flex;align-items:center;gap:8px;width:100%;padding:7px 10px;background:transparent;border:none;color:var(--text-muted);font-family:var(--font);font-size:11px;cursor:pointer;text-align:left;transition:background .12s ease,color .12s ease}.palette-group-header:hover{background:#7896be0f;color:var(--text-main)}.palette-group-dots{display:flex;gap:2px;flex-shrink:0}.palette-group-dot{width:10px;height:10px;border-radius:2px;border:1px solid rgba(0,0,0,.2)}.palette-group-label{flex:1;font-weight:500}.palette-group-chevron{display:flex;color:var(--text-dim);transition:transform .15s ease}.palette-group-chevron.open{transform:rotate(180deg)}.palette-group-body{padding:4px 6px 6px;border-top:1px solid var(--border-subtle);display:flex;flex-direction:column;gap:2px}.palette-color-row{display:flex;align-items:center;gap:8px;padding:5px 6px;border-radius:var(--radius-sm);cursor:pointer;position:relative;transition:background .1s ease}.palette-color-row:hover{background:#7896be14}.palette-color-chip{width:28px;height:22px;border-radius:5px;border:1px solid rgba(255,255,255,.12);box-shadow:inset 0 1px 2px #0003;flex-shrink:0}.palette-color-name{flex:1;font-size:11px;color:var(--text-muted)}.palette-color-row:hover .palette-color-name{color:var(--text-main)}.palette-color-input{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;opacity:0;cursor:pointer}.palette-tuning{margin-top:2px}.palette-io{display:flex;gap:6px;margin-top:2px}.palette-io .action-btn{flex:1;justify-content:center}.planet-preset-block{margin-bottom:4px}.stat-row{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:7px;font-size:12px}.stat-label{color:var(--text-muted);flex-shrink:0}.stat-value{color:var(--text-main);text-align:right}.stat-value.stat-mono{font-family:var(--mono);font-size:11px}.stat-value.stat-truncate{max-width:130px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.stat-fps{padding:1px 8px;border-radius:4px;background:#34d39924;color:var(--success);border:1px solid rgba(52,211,153,.3);font-family:var(--mono);font-size:11px}.stat-fps.low{background:#f5a52424;color:var(--warning);border-color:#f5a5244d}#help-card{position:absolute;top:16px;left:16px;z-index:5;background:var(--bg-panel);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:14px 18px;display:flex;flex-direction:column;gap:12px;box-shadow:var(--shadow-panel);transition:opacity .4s ease}#help-card.hidden{opacity:0;pointer-events:none}.help-row{display:flex;align-items:center;gap:10px;color:var(--text-muted);font-size:12px}.help-ic{font-size:14px;width:18px;text-align:center}.lod-row{display:flex;align-items:center;gap:8px;margin-bottom:7px;font-size:12px}.lod-dot{width:9px;height:9px;border-radius:2.5px;flex:0 0 9px}.lod-name{color:var(--text-main);flex:1}.lod-count{color:var(--text-muted);font-family:var(--mono);font-size:11px}.lod-summary{display:flex;align-items:center;gap:14px;margin-top:10px;padding-top:10px;border-top:1px solid var(--border-subtle)}.lod-donut{width:60px;height:60px}.lod-total-num{font-size:22px;font-weight:700;color:#e8eef8;font-family:var(--mono)}.lod-total-label{font-size:10.5px;color:var(--text-muted);line-height:1.45}.lod-grid-label{display:block;color:var(--text-dim);font-family:var(--mono);font-size:10px}.minimap-wrap{position:relative;width:100%;aspect-ratio:1;border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--border-subtle);background:var(--bg-main)}.minimap-wrap canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%}.minimap-caption{margin-top:7px;font-size:10.5px;color:var(--text-dim);text-align:center;font-family:var(--mono)}.viewport-camera-bar{position:absolute;bottom:18px;left:50%;transform:translate(-50%);z-index:10;display:flex;gap:2px;padding:4px;background:var(--bg-panel);border:1px solid var(--border-subtle);border-radius:999px;box-shadow:var(--shadow-panel)}.camera-bar-btn{display:flex;align-items:center;gap:7px;height:32px;padding:0 14px;border-radius:999px;background:transparent;border:1px solid transparent;color:var(--text-muted);font-family:var(--font);font-size:12px;cursor:pointer;transition:background .12s ease,color .12s ease,border-color .12s ease}.camera-bar-btn svg{width:14px;height:14px}.camera-bar-btn:hover{background:var(--bg-control);color:var(--text-main)}.camera-bar-btn.active{background:var(--accent-bg);color:var(--accent);border-color:var(--border-active)}#bottom-toolbar{display:none}#statusbar{display:flex;align-items:center;justify-content:space-between;height:26px;flex:0 0 26px;padding:0 14px;background:var(--bg-panel);border-top:1px solid var(--border-subtle);font-size:11px;color:var(--text-muted);font-family:var(--mono);z-index:30}.sb-group{display:flex;align-items:center;gap:10px}.sb-sep{width:1px;height:12px;background:#ffffff1a}.status-dot{width:7px;height:7px;border-radius:50%;background:var(--success)}.status-dot.busy{background:var(--warning)}.fps-badge{padding:1px 8px;border-radius:4px;background:#34d39924;color:var(--success);border:1px solid rgba(52,211,153,.3)}.fps-badge.low{background:#f5a52424;color:var(--warning);border-color:#f5a5244d}.modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;background:#05080cb8;display:flex;align-items:center;justify-content:center}.modal.hidden{display:none}.modal-card{width:380px;max-height:80vh;overflow-y:auto;background:var(--bg-panel);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);box-shadow:0 12px 40px #00000080}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;font-weight:600;font-size:13.5px;color:#e8eef8;border-bottom:1px solid var(--border-subtle);background:var(--bg-panel-soft)}.modal-header button{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:13px}.modal-header button:hover{color:var(--text-main)}.modal-body{padding:16px 18px}.settings-modal-card{display:flex;flex-direction:column;width:min(780px,94vw);max-height:86vh;background:var(--bg-panel);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);box-shadow:0 16px 48px #0000008c;overflow:hidden}.settings-modal-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;background:var(--bg-panel-soft);border-bottom:1px solid var(--border-subtle);flex-shrink:0}.settings-modal-title{display:flex;align-items:center;gap:10px;font-weight:700;font-size:14px;letter-spacing:.06em;text-transform:uppercase;color:#e8eef8}.settings-modal-title svg{color:var(--accent)}.settings-modal-close{display:flex;align-items:center;justify-content:center;width:30px;height:30px;border:1px solid var(--border-subtle);border-radius:var(--radius-sm);background:var(--bg-control);color:var(--text-muted);cursor:pointer;transition:background .12s ease,color .12s ease,border-color .12s ease}.settings-modal-close:hover{background:var(--bg-panel-soft);color:var(--text-main);border-color:var(--border-active)}.settings-modal-toolbar{padding:12px 20px;border-bottom:1px solid var(--border-subtle);background:var(--bg-panel);flex-shrink:0}.settings-search-wrap{display:flex;align-items:center;gap:10px;padding:0 12px;height:36px;background:var(--bg-control);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);transition:border-color .12s ease}.settings-search-wrap:focus-within{border-color:var(--border-active)}.settings-search-wrap svg{color:var(--text-dim);flex-shrink:0}.settings-search-input{flex:1;height:100%;border:none;background:transparent;color:var(--text-main);font-family:var(--font);font-size:13px;outline:none}.settings-search-input::placeholder{color:var(--text-dim)}.settings-search-clear{background:none;border:none;color:var(--text-dim);cursor:pointer;font-size:12px;padding:2px 4px;border-radius:3px}.settings-search-clear:hover{color:var(--text-main);background:var(--bg-panel-soft)}.settings-tabs{display:flex;gap:4px;padding:10px 20px 0;background:var(--bg-panel);border-bottom:1px solid var(--border-subtle);flex-shrink:0;overflow-x:auto}.settings-tabs::-webkit-scrollbar{height:0}.settings-tab{height:34px;padding:0 14px;border:1px solid transparent;border-bottom:none;border-radius:var(--radius-sm) var(--radius-sm) 0 0;background:transparent;color:var(--text-muted);font-family:var(--font);font-size:12px;font-weight:600;letter-spacing:.04em;cursor:pointer;white-space:nowrap;transition:background .12s ease,color .12s ease,border-color .12s ease;margin-bottom:-1px}.settings-tab:hover{background:var(--bg-control);color:var(--text-main)}.settings-tab.active{background:var(--bg-panel-soft);color:var(--accent);border-color:var(--border-subtle);border-bottom-color:var(--bg-panel-soft)}.settings-modal-body{flex:1;overflow-y:auto;padding:18px 20px 22px;background:var(--bg-panel-soft);min-height:0}.settings-modal-body::-webkit-scrollbar{width:8px}.settings-modal-body::-webkit-scrollbar-thumb{background:#ffffff14;border-radius:4px}.settings-tab-panel,.settings-search-results{display:flex;flex-direction:column;gap:4px;max-width:680px}.settings-field{padding:10px 12px;background:var(--bg-panel);border:1px solid var(--border-subtle);border-radius:var(--radius-sm)}.settings-field .ctl,.settings-field .row,.settings-field .toggle-row{margin-bottom:0}.settings-field-tab{display:inline-block;font-size:9px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);background:var(--accent-bg);border:1px solid var(--border-subtle);border-radius:3px;padding:2px 6px;margin-bottom:8px}.settings-note{font-size:11.5px;color:var(--text-muted);padding:8px 12px;background:var(--bg-panel);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);font-family:var(--mono)}.settings-search-hint{font-size:10px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--text-dim);margin-bottom:8px}.settings-empty{color:var(--text-muted);font-size:13px;padding:24px 0;text-align:center}.settings-field .perf-reset-btn{margin-top:0}.settings-section-title{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin:14px 0 10px;padding-bottom:5px;border-bottom:1px solid var(--border-subtle)}.settings-section-title:first-child{margin-top:0}.settings-subtitle{font-size:11.5px;font-weight:600;color:#c6d2e2;margin:12px 0 8px}.perf-note{font-size:11px;color:var(--text-muted);margin:-2px 0 10px;font-style:italic}.lod-multi-val{pointer-events:none}.lod-multi-track{position:relative;height:26px;margin:4px 6px 12px;border-radius:3px}.lod-multi-track:before{content:"";position:absolute;left:0;right:0;top:11px;height:4px;background:var(--bg-control);border-radius:2px}.lod-multi-thumb{position:absolute;top:4px;width:18px;height:18px;margin-left:-9px;border-radius:50%;background:var(--bg-panel-soft);border:2px solid var(--accent);cursor:grab;touch-action:none;z-index:1}.lod-multi-thumb:hover{background:var(--accent-bg)}.lod-multi-thumb:active{cursor:grabbing;background:#38bdf847}.lod-multi-tag{position:absolute;top:17px;left:50%;transform:translate(-50%);font-size:9px;color:var(--text-muted);pointer-events:none}.perf-reset-btn{width:100%;margin-top:12px;padding:8px 0;background:#f5a52414;color:var(--warning);border:1px solid rgba(245,165,36,.3);border-radius:var(--radius-sm);font-family:var(--font);font-size:12px;cursor:pointer}.perf-reset-btn:hover{background:#f5a52429}.settings-field .action-btn.perf-reset-btn{background:#f5a52414;color:var(--warning);border-color:#f5a5244d}.settings-field .action-btn.perf-reset-btn:hover{background:#f5a52429}.perf-estimate{margin-top:12px;padding:7px 10px;font-size:11.5px;color:var(--text-muted);background:var(--accent-bg);border:1px solid var(--border-subtle);border-radius:7px}#toast{position:fixed;bottom:64px;left:50%;transform:translate(-50%) translateY(10px);background:var(--bg-panel);border:1px solid var(--border-active);color:var(--text-main);border-radius:var(--radius-sm);padding:9px 16px;font-size:12.5px;opacity:0;pointer-events:none;transition:opacity .25s ease,transform .25s ease;z-index:200;box-shadow:var(--shadow-panel)}#toast.show{opacity:1;transform:translate(-50%) translateY(0)}#app.preview-mode .icon-rail,#app.preview-mode .left-control-panel,#app.preview-mode .right-inspector-panel,#app.preview-mode #help-card,#app.preview-mode .viewport-camera-bar{display:none}.infinite-mode .icon-rail,.infinite-mode .left-control-panel,.infinite-mode .right-inspector-panel,.infinite-mode #help-card,.infinite-mode .viewport-camera-bar{display:none!important}#fps-crosshair{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:15;pointer-events:none;opacity:.7}#fps-info{position:absolute;top:18px;left:18px;z-index:15;background:var(--bg-panel);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:12px 16px;min-width:180px;box-shadow:var(--shadow-panel);display:none}.infinite-mode #fps-info{display:block}.fps-info-row{display:flex;justify-content:space-between;gap:16px;margin-bottom:5px;font-size:11px}.fps-info-row:last-child{margin-bottom:0}.fps-info-label{color:var(--accent);font-weight:700;letter-spacing:1px;font-size:10px;font-family:var(--mono)}.fps-info-val{color:var(--text-main);font-family:var(--mono);font-size:11px}#fps-speed-bar{position:absolute;bottom:22px;left:50%;transform:translate(-50%);z-index:15;display:none;align-items:center;gap:8px;background:var(--bg-panel);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:8px 18px;box-shadow:var(--shadow-panel);font-family:var(--mono);font-size:12px;color:var(--text-main)}.infinite-mode #fps-speed-bar{display:flex}#fps-speed-bar svg{color:var(--accent)}.fps-speed-hint{color:var(--text-dim);font-size:10px;font-family:var(--font);margin-left:6px}#fps-controls-hint{position:absolute;bottom:22px;left:18px;z-index:15;display:none;font-size:11px;color:var(--text-dim);background:var(--bg-panel);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);padding:8px 14px;box-shadow:var(--shadow-panel)}.infinite-mode #fps-controls-hint{display:block}#fps-controls-hint span{color:var(--accent);font-family:var(--mono);font-weight:600;font-size:10.5px;letter-spacing:.5px}#fps-return-btn{position:absolute;top:18px;right:18px;z-index:15;display:none;align-items:center;gap:7px;height:34px;padding:0 16px;border-radius:var(--radius-sm);background:var(--accent-bg);border:1px solid var(--border-active);color:var(--accent);font-family:var(--font);font-size:12.5px;cursor:pointer;transition:background .15s ease;box-shadow:var(--shadow-panel)}.infinite-mode #fps-return-btn{display:flex}#fps-return-btn:hover{background:#38bdf838}#fps-return-btn svg{width:14px;height:14px}#fps-settings-panel{position:absolute;top:18px;right:18px;z-index:15;display:none;background:var(--bg-panel);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:14px 16px;min-width:200px;box-shadow:var(--shadow-panel)}.infinite-mode #fps-settings-panel{display:block}.fps-setting-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px;font-size:11.5px}.fps-setting-row:last-child{margin-bottom:0}.fps-setting-label{color:var(--text-muted);font-size:11px;font-weight:600;letter-spacing:.5px}.fps-setting-value{color:var(--accent);font-family:var(--mono);font-size:11px;font-weight:600}.fps-planet-actions{display:flex;gap:6px;margin:4px 0 8px}.fps-mini-btn{flex:1;height:24px;font-size:10px;background:var(--bg-control);border:1px solid var(--border-subtle);border-radius:4px;color:var(--text-muted);cursor:pointer}.fps-mini-btn:hover{color:var(--text-main);border-color:var(--border-active)}.fps-select{height:24px;padding:0 8px;background:var(--bg-control);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-main);font-family:var(--font);font-size:11px;cursor:pointer;outline:none}.fps-select:focus{border-color:var(--border-active)}.fps-select option{background:var(--bg-panel-soft)}.fps-slider{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;height:14px;background:transparent;cursor:pointer;margin-bottom:8px}.fps-slider::-webkit-slider-runnable-track{height:3px;border-radius:2px;background:var(--bg-control)}.fps-slider::-webkit-slider-thumb{-webkit-appearance:none;width:12px;height:12px;margin-top:-4.5px;border-radius:50%;background:#dfe9f5;border:2px solid var(--accent);box-shadow:0 1px 3px #0006}.fps-slider::-moz-range-track{height:3px;border-radius:2px;background:var(--bg-control)}.fps-slider::-moz-range-thumb{width:10px;height:10px;border-radius:50%;background:#dfe9f5;border:2px solid var(--accent)}.fps-info-dim{color:var(--text-dim);font-size:10px}.fps-info-culled{color:var(--warning)}.sb-quality{padding:1px 8px;border-radius:4px;background:var(--accent-bg);color:var(--accent);border:1px solid var(--border-subtle);font-size:10px;text-transform:capitalize}@media (max-width: 1280px){.app-shell{grid-template-columns:40px 248px 1fr 228px}}@media (max-width: 1100px){.app-shell{grid-template-columns:40px 220px 1fr 200px}.right-inspector-scroll,.left-control-scroll{padding:8px}}