.controls { display: flex; flex-direction: column; gap: 15px; margin-bottom: 20px; }
.controls label { display: flex; align-items: center; gap: 10px; }
.controls input[type="number"] { width: 100px; padding: 8px; }
.number-output { font-size: 2rem; font-weight: bold; padding: 30px; text-align: center; background: var(--bg-secondary); border-radius: 8px; min-height: 100px; display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 15px; }