.nn-target{font:700 2.3rem/1 var(--game-font-display);padding:10px 24px;color:var(--game-accent-yellow);text-align:center}.nn-expr-display{width:100%;max-width:340px;min-height:48px;background:var(--game-bg-surface);border:2px solid var(--game-border-color);border-radius:var(--game-radius-md);padding:10px 14px;font:700 1.3rem/1.4 var(--game-font-mono);color:var(--game-text-primary);text-align:center;word-break:break-all;margin:12px auto}.nn-keypad{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;width:100%;max-width:340px;margin:0 auto}.nn-key{min-height:48px;background:var(--game-bg-surface);border:var(--game-border-thick) solid var(--game-border-color);border-radius:var(--game-radius-sm);color:var(--game-text-primary);font:800 1.1rem/1 var(--game-font-mono);cursor:pointer}.nn-key:active{transform:scale(.92)}.nn-key--op{color:var(--game-accent-blue)}.nn-actions-row{display:flex;gap:10px;width:100%;max-width:340px;margin:12px auto 0}.nn-actions-row .game-btn{flex:1}#nn-normal-round[hidden],#nn-recall-round[hidden],.nn-recall-choice[hidden],#nn-recall-input-row[hidden]{display:none}#nn-normal-round,#nn-recall-round{width:100%;display:flex;flex-direction:column;align-items:center}.nn-recall-choice{display:flex;gap:10px;width:100%;max-width:320px;margin-top:12px}.nn-recall-choice .game-btn{flex:1}#nn-recall-question{text-align:center;max-width:340px}#nn-recall-input-row{width:100%;display:flex;flex-direction:column;align-items:center;margin-top:12px}@media(max-height:700px){.nn-target{padding:10px 20px;font-size:2rem}.nn-expr-display{min-height:40px;padding:6px 12px;margin:8px auto}}@media(max-height:580px){.nn-target{padding:6px 16px;font-size:1.6rem}.nn-expr-display{min-height:34px;padding:4px 10px;margin:6px auto;font-size:1.1rem}}