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24px;background:var(--bg-surface);border-bottom:1px solid var(--border)}.cluster,.topbar{display:flex;align-items:center}.cluster{gap:12px}.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:16px}.dot{width:8px;height:8px;border-radius:50%}.dot,.tab{display:inline-block}.tab{padding:8px 14px;border-radius:var(--r-md);color:var(--text-secondary);background:none;border:none;font-size:14px;text-decoration:none}.tab--active{background:var(--bg-elevated);color:var(--text-primary);font-weight:600}.chip{display:flex;padding:6px 10px;background:var(--bg-elevated);color:var(--text-secondary);font-size:12px}.btn,.chip{align-items:center;gap:6px;border-radius:var(--r-md)}.btn{display:inline-flex;padding:9px 14px;border:none;font-size:14px;font-weight:600}.btn--accent{background:var(--accent);color:var(--on-accent)}.btn--ghost{background:var(--bg-elevated);color:var(--text-secondary);font-weight:400}.btn--danger-outline{background:none;border:1px solid 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