.stc-tabbed-content{font-family:sans-serif;--stc-active:#fff;--stc-inactive:#ddd}
.stc-tabs{display:flex;gap:8px;margin-bottom:10px}
.stc-tab{padding:6px 12px;border:1px solid #ccc;background:var(--stc-inactive);cursor:pointer}
.stc-tab.active{background:var(--stc-active)}
.stc-panel{display:none;border:1px solid #eee;padding:10px;background:#fafafa}
.stc-panel.active{display:block}