.header-right{display:flex;gap:8px;align-items:center}.target-sum{background:var(--score-bg);color:var(--score-text);border-radius:6px;padding:6px 16px;text-align:center;min-width:70px;font-size:1.3rem;font-weight:700;font-variant-numeric:tabular-nums}.moves{background:var(--score-bg);color:var(--score-text);border-radius:6px;padding:6px 16px;text-align:center;min-width:60px;font-size:1rem;font-weight:600}#game-canvas{cursor:pointer}#number-picker{display:none;position:absolute;z-index:50;background:var(--overlay-bg);border-radius:8px;padding:8px;box-shadow:0 4px 12px #00000026}#number-picker.active{display:flex;flex-wrap:wrap;gap:4px;justify-content:center;max-width:200px}.picker-btn{width:44px;height:44px;border:none;border-radius:6px;font-size:1.1rem;font-weight:700;cursor:pointer;background:var(--btn-secondary-bg);color:var(--btn-secondary-text);transition:opacity .15s}.picker-btn:active{opacity:.8}.picker-btn.clear-btn{background:var(--btn-primary-bg);color:var(--btn-primary-text)}.picker-btn.picker-btn-conflict{opacity:.45;border:2px solid #e74c3c}.difficulty-option.selected{border-left:3px solid #5b8c6f}@media(max-height:600px){.target-sum{font-size:1rem;padding:4px 12px}.moves{font-size:.85rem;padding:4px 10px}}