Lub Dub Valves -

.lub-btn background: #c2571a; border-bottom: 3px solid #ffaa70; .dub-btn background: #1a6c9e; border-bottom: 3px solid #70c8ff; .auto-btn background: #2b5e3b; border-bottom: 3px solid #8bc34a;

.bpm-control display: flex; align-items: center; justify-content: space-between; margin-top: 1rem; gap: 1rem; background: #00000044; padding: 0.5rem 1rem; border-radius: 60px; lub dub valves

// ----- Auto Cycle (normal lub-dub rhythm) ----- let autoInterval = null; let isAuto = false; const bpmSlider = document.getElementById('bpmSlider'); const bpmValueSpan = document.getElementById('bpmValue'); .lub-btn background: #c2571a