.btn { flex: 1; padding: 12px 20px; border: none; border-radius: 8px; font-size: 16px; cursor: pointer; transition: all 0.3s; font-weight: 600; }
.btn.primary:hover { background: #5a67d8; transform: translateY(-2px); box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4); } eric tts
.preset-btn:hover { background: #667eea; color: white; border-color: #667eea; } .btn { flex: 1