:root{--appearance-bg:#f5f7f8;--appearance-surface:#ffffff;--appearance-soft:#edf2f5;--appearance-ink:#223641;--appearance-muted:#526673;--appearance-border:#b8c6cf;--appearance-selected:#dceef0;--appearance-accent:#175e68}html[data-theme=dark]{--appearance-bg:#101b24;--appearance-surface:#182833;--appearance-soft:#223742;--appearance-ink:#eff5f7;--appearance-muted:#b3c6ce;--appearance-border:#4b6675;--appearance-selected:#285465;--appearance-accent:#a3e2e4}.appearance-toggle,.explorer .appearance-toggle{display:inline-flex;align-items:center;justify-content:center;gap:.45rem;flex:0 0 auto;min-height:38px;padding:.5rem .75rem;border:1px solid var(--appearance-border);border-radius:5px;background:var(--appearance-surface);color:var(--appearance-ink);font:600 .875rem/1.2 Arial,Helvetica,sans-serif;cursor:pointer;white-space:nowrap}.appearance-toggle:hover,.explorer .appearance-toggle:hover{background:var(--appearance-soft)}.appearance-toggle:focus-visible{outline:2px solid var(--appearance-accent);outline-offset:3px}html :is(.masthead,.studio-masthead,.br-masthead){height:auto;min-height:92px;flex-wrap:wrap}@media screen{html[data-theme=dark] body{background:var(--appearance-bg);color:var(--appearance-ink)}html[data-theme=dark] :is(.explorer,.system-studio,.br-studio){background:var(--appearance-bg);color:var(--appearance-ink)}html[data-theme=dark] :is(.masthead,.studio-masthead,.br-masthead,.explorer>footer,.studio-footer,.br-footer,.system-tabs,.br-system-tabs,.br-interior-tabs,.br-lesson,.br-timeline,.br-left-rail,.br-lesson-tabs){background:var(--appearance-surface);color:var(--appearance-ink);border-color:var(--appearance-border)}html[data-theme=dark] :is(.masthead-rule,.studio-journeys){background:var(--appearance-border)}html[data-theme=dark] :is(.review-badge,.studio-local,.studio-masthead>div:nth-child(2)){color:var(--appearance-muted);border-color:var(--appearance-border)}html[data-theme=dark] :is(.eyebrow,.studio-eyebrow,.hint,.part-role,.explorer dt,.component-id,.parts-list small,.studio-plates,.studio-note,.studio-journeys button>span,.studio-footer,.explorer>footer){color:var(--appearance-muted)}html[data-theme=dark] :is(.layer-panel,.explorer .inspector,.studio-detail,.studio-visibility,.br-delivery,.br-package-label,.br-canonical-caption,.br-finish-house,.br-cinematic-ui>div,.br-walk-help,.br-welcome){background:var(--appearance-surface);color:var(--appearance-ink);border-color:var(--appearance-border)}html[data-theme=dark] :is(.view-toolbar button,.detail-toolbar button,.explorer .secondary,.explorer select,.parts-list button,.explorer .intro button,.explorer .error button,.studio-journeys button,.studio-visibility button,.studio-detail [data-variant=outline],.studio-bottom button,.br-view-tools button,.br-walk-buttons button,.br-walk-help button,.br-cinematic-ui button,.br-speed select,.br-studio [data-variant=outline]){background:var(--appearance-soft);color:var(--appearance-ink);border-color:var(--appearance-border)}html[data-theme=dark] :is(.detail-toolbar button.active,.parts-list button[aria-pressed=true],.studio-journeys button[aria-pressed=true],.studio-visibility button[aria-pressed=true],.buck-steps button[aria-pressed=true],.br-view-tools button[aria-pressed=true],.br-interior-tabs button[aria-pressed=true]){background:var(--appearance-selected);color:#ffffff;border-color:#79b5c0}html[data-theme=dark] :is(.parts-list button:hover,.view-toolbar button:hover,.br-lesson-tabs button:hover,.br-detail-links button:hover){background:var(--appearance-selected);color:var(--appearance-ink)}html[data-theme=dark] :is(.system-tabs [data-slot=tabs-trigger],.br-system-tabs [data-slot=tabs-trigger]){color:var(--appearance-muted);border-color:var(--appearance-border)}html[data-theme=dark] :is(.system-tabs [data-active],.system-tabs [data-state=active],.br-system-tabs [data-slot=tabs-trigger][data-active],.br-system-tabs [data-slot=tabs-trigger][data-state=active]){background:var(--appearance-selected);color:#ffffff;border-color:#79b5c0}html[data-theme=dark] :is(.br-system-tabs [data-slot=tabs-trigger] small,.br-lesson-tabs button,.br-lesson-tabs button span,.br-intro,.br-actions li,.br-delivery span,.br-delivery p,.br-delivery .br-pace,.br-speed,.br-timeline-note,.br-stage-label,.br-stage-label b,.br-footer,.br-left-rail>p,.br-left-rail>p small,.br-finish-house p,.br-finish-note,.br-overview-note,.br-walk-help>span,.br-welcome p,.br-welcome small,.br-interior-tabs p,.br-mixed-note,.br-mixed-note strong){color:var(--appearance-muted)}html[data-theme=dark] :is(.br-lesson-tabs button.selected,.br-left-rail button.selected){background:var(--appearance-selected);color:#ffffff;border-color:#79b5c0}html[data-theme=dark] :is(.br-lesson-tabs button,.br-left-rail button,.br-detail-links button,.studio-plates,.studio-interior-control,.br-delivery .br-pace){border-color:var(--appearance-border)}html[data-theme=dark] :is(.br-actions li>span,.br-phase,.br-step-track,.br-lesson-progress){background:var(--appearance-soft);color:var(--appearance-ink)}html[data-theme=dark] :is(.br-detail-links button[aria-pressed=true],.br-footer a,.br-stages .current .br-stage-label,.br-stages .completed .br-stage-label,.br-delivery>svg){color:var(--appearance-accent)}html[data-theme=dark] :is(.br-step-track>span,.br-lesson-progress>span){background:#8ac8b0}html[data-theme=dark] .br-studio{--br-ink:var(--appearance-ink);--br-muted:var(--appearance-muted);--br-line:var(--appearance-border);--ring:#9ddac8}html[data-theme=dark] .studio-detail .studio-back{color:var(--appearance-muted);background:transparent;border-color:var(--appearance-border)}html[data-theme=dark] :is(.loading,.error,.studio-loading,.br-loading){color:var(--appearance-ink);background:var(--appearance-bg)}html[data-theme=dark] .intro{color:var(--appearance-ink);background:linear-gradient(90deg,#101b24f2,#101b2480)}html[data-theme=dark] .intro span{color:var(--appearance-muted)}html[data-theme=dark] .part-mark{color:#ffaaa0}html[data-theme=dark] .studio-intro>span{color:var(--appearance-ink);background:#182833ed}html[data-theme=dark] :is(.model-caption,.navigation-hint,.studio-bottom,.br-scene-heading,.br-orbit-hint,.br-stage-counter){color:var(--appearance-ink);background:#182833ed;border-radius:4px;padding:7px 10px;text-shadow:none}html[data-theme=dark] :is(.model-caption span,.studio-bottom>p,.br-scene-heading .br-eyebrow){color:var(--appearance-muted)}html[data-theme=dark] :is(.masthead>img,.studio-logo,.br-brand>img){background:#fff;border-radius:4px}}@media (max-width:700px){html :is(.masthead,.studio-masthead,.br-masthead){gap:10px 14px}.appearance-toggle{margin-left:auto}}@media print{.appearance-toggle{display:none!important}}