.tab-bar { display:flex; gap:4px; margin-bottom:12px; flex-wrap:wrap; }
.tab-btn { font-family:'JetBrains Mono',monospace; font-size: 14px; padding:5px 12px; border-radius:4px; cursor:pointer; border:1px solid var(--border2); background:transparent; color:var(--ink3); transition:background 0.12s,color 0.12s; }
.tab-btn.active { background:var(--accent2); color:#fff; border-color:var(--accent2); }