.viewer-page{--bg: color-mix(in oklab, var(--sand) 62%, var(--bg-base));--bg-2: color-mix(in oklab, var(--surface-strong) 62%, var(--bg-base));--panel: color-mix(in oklab, var(--surface-strong) 90%, var(--foam));--panel-2: color-mix(in oklab, var(--surface) 92%, var(--foam));--border: color-mix(in oklab, var(--line) 86%, var(--lagoon-deep) 14%);--border-soft: color-mix(in oklab, var(--line) 92%, transparent);--text: var(--sea-ink);--text-muted: var(--sea-ink-soft);--text-dim: color-mix(in oklab, var(--sea-ink-soft) 84%, var(--sea-ink) 16%);--accent: var(--brand-primary);--accent-2: var(--brand-hover);--accent-ink: var(--icon-accent);--accent-ink-hover: var(--link-hover);--danger: #e11d48;--danger-2: #be123c;--ok: color-mix(in oklab, #22c55e 62%, #10b981 38%);--ok-bg: color-mix(in oklab, var(--surface-strong) 70%, #10b981 30%);--warn: #f59e0b;--scene-bg: #e9eef3;--cad-body: #c3cbd5;--cad-edge: #000000;--cad-hover-face: #ffb000;--cad-hover-edge: #d98a00;--cad-selected-face: #168bff;--cad-selected-edge: #006fcc;--context-menu-bg: #ffffff;--context-menu-hover: #eef6ef;--hover: color-mix( in oklab, var(--surface-strong) 84%, var(--lagoon-deep) 16% );--selected: color-mix( in oklab, var(--surface-strong) 62%, var(--lagoon-deep) 38% );font-family:var(--font-sans);color:var(--text);background:var(--bg);text-rendering:geometricPrecision;-webkit-font-smoothing:antialiased}:root.dark .viewer-page,:root[data-theme=dark] .viewer-page{--panel: var(--surface-strong);--panel-2: var(--surface);--border: color-mix(in oklab, var(--line) 94%, var(--brand-soft) 6%);--border-soft: color-mix(in oklab, var(--line) 96%, transparent);--ok-bg: color-mix( in oklab, var(--surface-strong) 82%, var(--brand-primary) 18% );--scene-bg: #171c22;--context-menu-bg: #171d24;--context-menu-hover: #232b34;--hover: color-mix( in oklab, var(--surface-strong) 90%, var(--brand-soft) 10% );--selected: color-mix( in oklab, var(--surface-strong) 72%, var(--brand-primary) 28% )}.viewer-page,.viewer-page *{box-sizing:border-box}.viewer-page{width:100%;height:100%;min-height:0;margin:0;overflow:hidden}.viewer-app{position:relative;width:100%;height:100%;min-height:0;--layout-gap: 10px;--command-bar-height: 50px;--content-top: calc(var(--command-bar-height) + (var(--layout-gap) * 2));--workspace-rail-width: 64px;--left-panel-width: 320px;--panel-left: calc(var(--workspace-rail-width) + (var(--layout-gap) * 2));--viewport-left: calc( var(--workspace-rail-width) + var(--left-panel-width) + (var(--layout-gap) * 3) );--viewport-right: var(--layout-gap);background:radial-gradient(circle at 0% 0%,color-mix(in oklab,var(--lagoon) 16%,transparent) 0%,transparent 35%),radial-gradient(circle at 100% 100%,color-mix(in oklab,var(--palm) 14%,transparent) 0%,transparent 35%),var(--bg)}:root.dark .viewer-app,:root[data-theme=dark] .viewer-app{background:radial-gradient(circle at 0% 0%,rgba(148,163,184,.07) 0%,transparent 35%),radial-gradient(circle at 100% 100%,rgba(71,85,105,.08) 0%,transparent 35%),var(--bg)}#viewport{position:absolute;top:var(--content-top);bottom:var(--layout-gap);left:var(--viewport-left);right:var(--viewport-right);min-width:0;min-height:calc(100% - var(--content-top) - var(--layout-gap));margin:0;overflow:hidden;border:0;border-radius:8px;background:var(--scene-bg)}#viewport canvas{width:100%;height:100%;display:block}.viewer-grid-readout{position:absolute;right:14px;bottom:14px;z-index:5;display:grid;gap:2px;min-width:220px;padding:9px 11px;color:var(--text);pointer-events:none;background:color-mix(in oklab,var(--panel) 88%,transparent);border:1px solid color-mix(in oklab,var(--border) 82%,transparent);border-radius:7px;box-shadow:0 8px 24px #0000001f;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.viewer-grid-readout[hidden]{display:none}.viewer-grid-readout-title{font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-dim)}.viewer-grid-readout-values{font-size:12px;font-variant-numeric:tabular-nums;letter-spacing:.01em}.viewer-grid-readout small{font-size:10px;color:var(--text-muted)}.viewer-grid-labels{position:absolute;inset:0;z-index:4;overflow:hidden;pointer-events:none}.viewer-grid-labels[hidden]{display:none}.viewer-grid-axis-label{position:absolute;top:0;left:0;color:color-mix(in oklab,var(--text) 78%,var(--text-muted));font-size:10px;font-variant-numeric:tabular-nums;line-height:1;white-space:nowrap;text-shadow:0 1px 2px var(--scene-bg),0 0 4px var(--scene-bg);will-change:transform}.viewer-grid-axis-label.is-title{font-size:12px;font-weight:800}.viewer-grid-axis-label.is-title[data-axis=x]{color:#e05b5b}.viewer-grid-axis-label.is-title[data-axis=y]{color:#4faf72}.viewer-grid-axis-label.is-title[data-axis=z]{color:#4c8fdc}.viewer-cad-pivot-marker{position:absolute;z-index:6;width:18px;height:18px;border:2px solid #ffb000;border-radius:50%;opacity:0;pointer-events:none;transform:translate(-50%,-50%) scale(.7);box-shadow:0 0 0 1px #000000a6,0 0 8px #ffb000bf}.viewer-cad-pivot-marker:before,.viewer-cad-pivot-marker:after{position:absolute;top:50%;left:50%;content:"";background:#ffb000;transform:translate(-50%,-50%)}.viewer-cad-pivot-marker:before{width:24px;height:1px}.viewer-cad-pivot-marker:after{width:1px;height:24px}.viewer-cad-pivot-marker.is-visible{animation:cad-pivot-marker .85s ease-out forwards}.viewer-box-selection{position:absolute;z-index:12;border:1px solid #38bdf8;background:color-mix(in oklab,#38bdf8 16%,transparent);box-shadow:inset 0 0 0 1px color-mix(in oklab,white 24%,transparent);pointer-events:none}.viewer-box-selection:after{position:absolute;top:-28px;left:0;padding:4px 7px;color:#e0f2fe;font-size:10px;font-weight:700;line-height:1;white-space:nowrap;content:"Window · Replace";background:color-mix(in oklab,#075985 88%,transparent);border:1px solid color-mix(in oklab,#38bdf8 60%,transparent);border-radius:5px;box-shadow:0 4px 12px color-mix(in oklab,black 24%,transparent)}.viewer-box-selection[data-operation=add]:after{content:"Window · Add"}.viewer-box-selection[data-operation=subtract]:after{content:"Window · Subtract"}.viewer-box-selection[data-operation=toggle]:after{content:"Window · Toggle"}.viewer-box-selection[data-mode=crossing]{border-color:#22c55e;border-style:dashed;background:color-mix(in oklab,#22c55e 15%,transparent)}.viewer-box-selection[data-mode=crossing]:after{color:#dcfce7;content:"Crossing · Replace";background:color-mix(in oklab,#14532d 88%,transparent);border-color:color-mix(in oklab,#22c55e 60%,transparent)}.viewer-box-selection[data-mode=crossing][data-operation=add]:after{content:"Crossing · Add"}.viewer-box-selection[data-mode=crossing][data-operation=subtract]:after{content:"Crossing · Subtract"}.viewer-box-selection[data-mode=crossing][data-operation=toggle]:after{content:"Crossing · Toggle"}.viewer-box-selection[hidden]{display:none}.viewer-box-selection-guide{position:absolute;top:50%;right:18px;z-index:11;max-width:min(360px,calc(100% - 36px));color:var(--text);font-size:11px;pointer-events:auto;transform:translateY(-50%);animation:box-selection-guide-in .18s ease-out}.viewer-box-selection-guide-trigger{display:flex;gap:7px;align-items:center;margin-left:auto;padding:7px 9px;color:var(--text);font:inherit;font-weight:650;background:color-mix(in oklab,var(--panel) 90%,transparent);border:1px solid var(--border);border-radius:8px;box-shadow:0 8px 22px color-mix(in oklab,black 16%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);cursor:pointer}.viewer-box-selection-guide-trigger:hover,.viewer-box-selection-guide-trigger[aria-expanded=true]{background:color-mix(in oklab,var(--panel) 82%,#38bdf8 18%);border-color:color-mix(in oklab,var(--border) 55%,#38bdf8 45%)}.viewer-box-selection-guide-trigger b{display:grid;width:16px;height:16px;place-items:center;color:#38bdf8;font-size:10px;border:1px solid currentColor;border-radius:50%}.viewer-box-selection-guide i{display:block;flex:0 0 auto;width:10px;height:10px;background:color-mix(in oklab,#38bdf8 28%,transparent);border:1px solid #38bdf8;border-radius:2px}.viewer-box-selection-guide i[data-box-guide-swatch=crossing]{background:color-mix(in oklab,#22c55e 26%,transparent);border-color:#22c55e;border-style:dashed}.viewer-box-selection-guide-content{display:grid;gap:10px;width:min(330px,calc(100vw - 54px));margin-top:7px;padding:12px;background:color-mix(in oklab,var(--panel) 92%,transparent);border:1px solid var(--border);border-radius:10px;box-shadow:0 12px 30px color-mix(in oklab,black 22%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.viewer-box-selection-guide-content[hidden]{display:none}.viewer-box-selection-guide-head,.viewer-box-selection-guide-rule{display:flex;gap:9px;align-items:center}.viewer-box-selection-guide-head{justify-content:space-between;font-size:12px}.viewer-box-selection-guide-head button{display:grid;width:22px;height:22px;padding:0;place-items:center;color:var(--text-muted);font:inherit;font-size:17px;line-height:1;background:transparent;border:0;border-radius:5px;cursor:pointer}.viewer-box-selection-guide-head button:hover{color:var(--text);background:var(--hover)}.viewer-box-selection-guide-rule>span{display:grid;gap:1px}.viewer-box-selection-guide-rule small,.viewer-box-selection-guide-content>p,.viewer-box-selection-guide-keys small{color:var(--text-muted)}.viewer-box-selection-guide-content>p{margin:0;padding-top:8px;border-top:1px solid var(--border-soft)}.viewer-box-selection-guide-keys{display:grid;grid-template-columns:auto 1fr auto 1fr auto 1fr;gap:6px;align-items:center}.viewer-box-selection-guide kbd{min-width:30px;padding:2px 5px;color:var(--text);font:inherit;font-weight:700;text-align:center;background:var(--surface-raised, var(--panel));border:1px solid var(--border);border-radius:5px;box-shadow:0 1px 0 var(--border)}.viewer-box-selection-guide[hidden]{display:none}.context-help{position:relative;display:grid;gap:7px}.context-help-trigger{display:flex;gap:7px;align-items:center;width:100%;padding:7px 8px;color:var(--text-muted);font:inherit;font-size:11px;font-weight:700;text-align:left;background:transparent;border:1px solid transparent;border-radius:7px;cursor:pointer;list-style:none}.context-help-trigger::-webkit-details-marker{display:none}.context-help-trigger svg{width:14px;height:14px;color:var(--accent)}.context-help-trigger:hover,.context-help[open] .context-help-trigger{color:var(--text);background:color-mix(in oklab,var(--accent) 7%,transparent);border-color:color-mix(in oklab,var(--accent) 18%,var(--border-soft))}.context-help-content{display:grid;gap:9px;padding:10px;color:var(--text);background:color-mix(in oklab,var(--panel-2) 88%,var(--panel) 12%);border:1px solid var(--border-soft);border-radius:8px;animation:context-help-in .16s ease-out}.context-help-head{display:flex;gap:8px;align-items:center;justify-content:space-between;font-size:12px}.context-help-head>svg{width:13px;height:13px;padding:0;color:var(--text-muted)}.context-help-rules{display:grid;gap:7px}.context-help-rules>p{display:grid;grid-template-columns:minmax(70px,auto) 1fr;gap:8px;margin:0;line-height:1.35}.context-help-rules strong{color:var(--text);font-size:10px}.context-help-rules span,.context-help-content>small{color:var(--text-muted);font-size:10px;line-height:1.4}.context-help-content>small{padding-top:8px;border-top:1px solid var(--border-soft)}.context-help[data-placement=panel]{margin:0 8px 8px}.context-help[data-placement=panel] .context-help-trigger{justify-content:center;border-color:var(--border-soft);background:color-mix(in oklab,var(--panel) 70%,transparent)}@keyframes context-help-in{0%{opacity:0;transform:translateY(-3px)}to{opacity:1;transform:translateY(0)}}@keyframes box-selection-guide-in{0%{opacity:0;transform:translate(6px,-50%)}to{opacity:1;transform:translateY(-50%)}}@keyframes cad-pivot-marker{0%,70%{opacity:1;transform:translate(-50%,-50%) scale(1)}to{opacity:0;transform:translate(-50%,-50%) scale(.85)}}.viewer-app:not(.has-model) #viewport>div{display:none!important}.viewport-empty-state{position:absolute;z-index:7;top:var(--content-top);bottom:var(--layout-gap);left:var(--viewport-left);right:var(--viewport-right);display:grid;place-items:center;padding:20px;pointer-events:none}.viewer-app.has-model .viewport-empty-state{display:none}.viewport-loading-state{position:absolute;z-index:9;top:var(--content-top);bottom:var(--layout-gap);left:var(--viewport-left);right:var(--viewport-right);display:grid;place-items:center;padding:20px;background:color-mix(in oklab,var(--bg) 52%,transparent);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.viewport-loading-panel{width:min(420px,100%);padding:30px;border:1px solid color-mix(in oklab,var(--border) 78%,transparent);border-radius:14px;background:color-mix(in oklab,var(--panel) 94%,transparent);box-shadow:0 20px 55px color-mix(in oklab,#0f172a 18%,transparent);text-align:center}.viewport-loading-icon{display:grid;place-items:center;width:42px;height:42px;margin:0 auto 14px;border-radius:12px;background:color-mix(in oklab,var(--accent) 13%,var(--panel));color:var(--accent)}.viewport-loading-icon svg{width:22px;height:22px}.viewport-loading-state[data-phase=downloading] .viewport-loading-icon svg,.viewport-loading-state[data-phase=preparing] .viewport-loading-icon svg{animation:viewport-loading-spin 1s linear infinite}.viewport-loading-state[data-phase=ready] .viewport-loading-icon{background:color-mix(in oklab,var(--ok) 13%,var(--panel));color:var(--ok)}.viewport-loading-state[data-phase=error] .viewport-loading-icon{background:color-mix(in oklab,#e11d48 12%,var(--panel));color:#e11d48}.viewport-loading-kicker{margin:0 0 7px;color:var(--muted);font-size:.72rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase}.viewport-loading-panel h1{margin:0;color:var(--text);font-size:clamp(1.3rem,2vw,1.65rem);line-height:1.2}.viewport-loading-copy{min-height:1.4em;margin:10px 0 18px;color:var(--muted);font-size:.86rem;line-height:1.5}.viewport-loading-progress{position:relative;height:6px;overflow:hidden;border-radius:999px;background:color-mix(in oklab,var(--accent) 12%,var(--border))}.viewport-loading-progress span{display:block;height:100%;border-radius:inherit;background:var(--accent);transition:width .18s ease}.viewport-loading-progress.is-indeterminate span{width:38%;animation:viewport-loading-indeterminate 1.25s ease-in-out infinite}.viewport-loading-retry{display:inline-flex;align-items:center;gap:7px}.viewport-loading-retry svg{width:15px;height:15px}@keyframes viewport-loading-spin{to{transform:rotate(360deg)}}@keyframes viewport-loading-indeterminate{0%{transform:translate(-115%)}to{transform:translate(300%)}}@media(prefers-reduced-motion:reduce){.viewport-loading-state .viewport-loading-icon svg,.viewport-loading-progress.is-indeterminate span{animation:none}}.viewport-assembly-panel{position:absolute;z-index:7;top:calc(var(--content-top) + 12px);right:calc(var(--viewport-right) + 12px);width:min(310px,calc(100% - var(--viewport-left) - var(--viewport-right) - 24px));max-height:calc(100% - (var(--layout-gap) * 2) - 128px);border-radius:8px;overflow:hidden;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.viewer-app:not(.has-model) .viewport-assembly-panel{display:none}.viewport-assembly-panel>summary{display:grid;grid-template-columns:18px minmax(0,1fr) 14px;align-items:center;gap:8px;min-height:42px;padding:8px 10px;cursor:pointer;list-style:none}.viewport-assembly-panel>summary::-webkit-details-marker{display:none}.viewport-assembly-panel>summary>svg{width:16px;height:16px;color:var(--accent-ink)}.viewport-assembly-panel>summary>span{display:grid;min-width:0;gap:1px}.viewport-assembly-panel>summary strong{color:var(--text);font-size:.72rem}.viewport-assembly-panel>summary small{overflow:hidden;color:var(--text-dim);font-size:.58rem;font-weight:650;text-overflow:ellipsis;white-space:nowrap}.viewport-assembly-panel .viewport-assembly-chevron{color:var(--text-muted);transition:transform .16s ease}.viewport-assembly-panel[open] .viewport-assembly-chevron{transform:rotate(180deg)}.viewport-assembly-body{display:grid;max-height:calc(100vh - 150px);gap:6px;border-top:1px solid var(--border-soft);padding:7px;overflow:hidden}.viewport-assembly-panel .assembly-tree{max-height:min(390px,calc(100vh - 200px))}.viewport-assembly-options{display:flex;align-items:center;justify-content:space-between;gap:8px}.viewport-assembly-options>small{color:var(--text-dim);font-size:.58rem}.viewport-dev-tools{position:absolute;z-index:8;right:calc(var(--viewport-right) + 12px);bottom:calc(var(--layout-gap) + 12px);left:calc(var(--viewport-left) + 12px);display:flex;width:max-content;max-width:calc(100% - var(--viewport-left) - var(--viewport-right) - 24px);margin-inline:auto;gap:6px}.viewport-dev-tool{position:relative;min-width:0;background:color-mix(in oklab,var(--panel) 90%,transparent);box-shadow:0 1px 0 var(--inset-glint) inset,0 8px 20px #0000002e;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.viewport-dev-tool>summary{grid-template-columns:18px max-content 12px;gap:6px;min-height:34px;padding:6px 9px}.viewport-dev-tool>summary>svg{width:14px;height:14px}.viewport-dev-tool>summary strong{font-size:.66rem}.viewport-dev-tool>summary small{display:none}.viewport-dev-tools .source-preview-actions{position:absolute;z-index:2;bottom:calc(100% + 7px);width:280px;border:1px solid var(--border);border-radius:8px;background:color-mix(in oklab,var(--panel) 96%,transparent);box-shadow:0 14px 30px #0003;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.viewport-dev-tools .source-preview-actions{left:0;padding:8px}.viewport-empty-panel{display:grid;width:min(420px,100%);gap:10px;border:1px solid var(--border);border-radius:8px;padding:16px;background:color-mix(in oklab,var(--panel) 88%,transparent);box-shadow:0 1px 0 var(--inset-glint) inset,0 18px 40px #0f172a29;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);pointer-events:auto}.viewport-empty-kicker{margin:0;color:var(--text-dim);font-size:.62rem;font-weight:900;letter-spacing:.12em;line-height:1;text-transform:uppercase}.viewport-empty-panel h1{margin:0;color:var(--text);font-size:1.08rem;font-weight:850;line-height:1.15}.viewport-empty-panel p{margin:0;color:var(--text-muted);font-size:.76rem;line-height:1.45}.viewport-empty-actions{display:grid;gap:8px}.viewport-empty-actions[hidden]{display:none}.viewport-empty-actions .btn{width:100%}.viewport-empty-action{display:grid;grid-template-columns:34px minmax(0,1fr);align-items:center;justify-content:initial;gap:10px;min-height:52px;padding:8px 10px;cursor:pointer;text-align:left;text-transform:none}.viewport-empty-action-icon{display:grid;width:34px;height:34px;place-items:center;border-radius:8px;background:color-mix(in oklab,currentColor 12%,transparent)}.viewport-empty-action-icon svg{width:18px;height:18px}.viewport-empty-action-copy{display:grid;gap:2px;min-width:0}.viewport-empty-action-copy strong{font-size:.76rem;line-height:1.15}.viewport-empty-action-copy small{color:color-mix(in oklab,currentColor 72%,transparent);font-size:.66rem;font-weight:650;line-height:1.25}.panel-shell{border:1px solid var(--border);background:linear-gradient(165deg,var(--panel),color-mix(in oklab,var(--panel) 86%,var(--bg) 14%));box-shadow:0 1px 0 var(--inset-glint) inset,0 14px 32px #00000038}.new-model-confirm-backdrop{position:fixed;z-index:100;inset:0;display:grid;place-items:center;padding:20px;background:color-mix(in oklab,#07111f 48%,transparent);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.new-model-confirm{display:grid;grid-template-columns:38px minmax(0,1fr);width:min(460px,100%);gap:12px;border-radius:10px;padding:18px}.new-model-confirm-icon{display:grid;width:38px;height:38px;place-items:center;border:1px solid color-mix(in oklab,var(--warn) 42%,var(--border));border-radius:9px;background:color-mix(in oklab,var(--warn) 12%,var(--panel));color:color-mix(in oklab,var(--warn) 72%,var(--text))}.new-model-confirm-icon svg{width:19px;height:19px}.new-model-confirm-copy{display:grid;gap:7px}.new-model-confirm-copy h2,.new-model-confirm-copy p{margin:0}.new-model-confirm-copy h2{color:var(--text);font-size:.95rem;line-height:1.2}.new-model-confirm-copy p{color:var(--text-muted);font-size:.72rem;line-height:1.5}.new-model-confirm-actions{display:flex;grid-column:1 / -1;justify-content:flex-end;gap:8px;padding-top:4px}.topbar{position:absolute;z-index:6;top:var(--content-top);left:var(--panel-left);bottom:var(--layout-gap);width:var(--left-panel-width);border-radius:8px;display:flex;flex-direction:column;gap:8px;padding:8px;align-items:stretch;overflow:auto;contain:layout paint}.left-panel-workspace-head{position:sticky;top:0;z-index:3;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:start;gap:8px;margin:-2px -2px 0;padding:10px;border:1px solid color-mix(in oklab,var(--border-soft) 82%,transparent);border-radius:7px;background:color-mix(in oklab,var(--panel) 92%,transparent);box-shadow:0 1px 0 var(--inset-glint) inset;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.left-panel-workspace-title{display:grid;min-width:0;gap:2px}.left-panel-eyebrow{margin:0;color:var(--accent-ink);font-size:.66rem;font-weight:900;letter-spacing:.1em;text-transform:uppercase}.left-panel-workspace-head h2,.left-panel-workspace-head 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svg{width:15px;height:15px}.left-panel-actions-popover{position:absolute;z-index:8;top:calc(100% + 6px);right:0;display:grid;width:190px;gap:5px;border:1px solid var(--border);border-radius:8px;padding:6px;background:var(--panel);box-shadow:0 14px 32px #0003}.left-panel-actions-popover>span{padding:3px 5px 1px;color:var(--text-dim);font-size:.53rem;font-weight:850;letter-spacing:.07em;text-transform:uppercase}.new-model-action{display:inline-flex;align-items:center;justify-content:flex-start;gap:5px;min-height:30px;width:100%;border:1px solid transparent;border-radius:6px;padding:6px 9px;background:transparent;color:var(--text-muted);cursor:pointer;font-size:.68rem;font-weight:750;white-space:nowrap}.new-model-action:hover{border-color:var(--border-soft);background:var(--hover);color:var(--text)}.new-model-action:focus-visible{outline:2px solid var(--focus-ring);outline-offset:1px}.new-model-action svg{width:14px;height:14px}.left-panel-nav{position:sticky;top:0;z-index:2;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px;margin:-2px -2px 0;padding:2px;border:1px solid color-mix(in oklab,var(--border-soft) 82%,transparent);border-radius:7px;background:color-mix(in oklab,var(--panel) 88%,transparent);box-shadow:0 1px 0 var(--inset-glint) inset;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.left-panel-tab{display:grid;grid-template-columns:auto minmax(0,1fr);grid-template-areas:"icon label";column-gap:6px;row-gap:1px;align-items:center;min-width:0;border:1px solid transparent;border-radius:5px;padding:6px 7px;background:transparent;color:var(--text-muted);cursor:pointer;text-align:left;transition:background .15s ease,border-color .15s ease,color .15s ease,box-shadow .15s ease}.left-panel-tab:hover{border-color:var(--border-soft);background:var(--hover);color:var(--text)}.left-panel-tab.is-active{border-color:color-mix(in oklab,var(--accent) 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