.builder-tabs{border:1px solid var(--line);background:#ffffff5c;border-radius:12px;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px;margin-top:22px;padding:4px;display:grid}.builder-tabs button{color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:9px;padding:10px 12px;font-weight:800}.builder-tabs button:hover{background:#ffffff94}.builder-tabs button.active{background:var(--accent);color:#fff}.builder-tabs button:focus-visible{outline-offset:2px;outline:3px solid #9e25203d}.builder-tab-panel{margin-top:18px}.builder-tab-panel .milestone-editor-heading{margin-top:0}.theme-tab-panel .theme-builder{border-top:0;margin-top:0;padding-top:0}@media (min-width:981px){.preview-panel{position:sticky;top:20px}}@media (max-width:620px){.builder-tabs{margin-top:18px}.builder-tabs button{padding:9px 8px}}