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var(--studio-border);border-radius:var(--studio-radius-md);color:var(--studio-text-primary);font-size:14px;font-weight:500;cursor:pointer;transition:var(--studio-transition-fast);position:relative}.header-btn:hover{background:var(--studio-bg-secondary);border-color:var(--studio-text-secondary)}.header-btn.active{background:var(--studio-accent-primary);border-color:var(--studio-accent-primary)}.header-btn .badge{position:absolute;top:-4px;right:-4px;min-width:18px;height:18px;padding:0 5px;background:var(--studio-error);border-radius:var(--studio-radius-full);font-size:11px;font-weight:600;display:flex;align-items:center;justify-content:center}.recording-indicator{display:flex;align-items:center;gap:var(--studio-spacing-sm);padding:var(--studio-spacing-xs) var(--studio-spacing-md);background:var(--studio-error);border-radius:var(--studio-radius-full);font-family:SF Mono,Monaco,monospace;font-size:14px;animation:pulse 2s 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