*{box-sizing:border-box}body{margin:0;min-height:100vh;display:flex;flex-direction:column;align-items:center;background:#ccc;color:#1f2933;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}h1{margin:24px 0 16px;font-size:2rem;font-weight:600;letter-spacing:.02em}.game-area{display:flex;gap:24px;align-items:flex-start}canvas{background:#f1fefe;border:4px solid black;image-rendering:pixelated}.display{display:flex;flex-direction:column;gap:16px;padding:16px 20px;border-radius:14px;background:#fff;box-shadow:0 6px 18px #0000000f}.display label{display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:1.12rem;color:#546079}.display input{width:96px;border:none;background:transparent;outline:none;text-align:right;font-size:1.3rem;font-weight:600;color:#111827}.display input:read-only{cursor:default}.modal-overlay{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:#0f172a8c;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);opacity:0;pointer-events:none;transition:opacity .25s ease;z-index:100}.modal-overlay.active{opacity:1;pointer-events:auto}.modal{background:#fff;border-radius:5px;padding:28px 32px;width:min(90vw,360px);box-shadow:0 20px 40px #00000026,0 4px 12px #00000014;text-align:center}.modal-title{margin:0 0 12px;font-size:1.6rem;font-weight:700;color:#111827}.modal-score{margin-bottom:24px;font-size:1.15rem;color:#4b5563}.modal-score span{font-weight:700;color:#111827}.modal-button{width:100%;padding:12px 0;border:none;border-radius:12px;background:#111827;color:#fff;font-size:1.05rem;font-weight:600;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .15s ease}.modal-button:hover{background:#1f2937;transform:translateY(-1px);box-shadow:0 6px 14px #0000002e}.modal-button:active{transform:translateY(0);box-shadow:0 3px 8px #00000026}@media(max-width:800px){.game-area{flex-direction:column;align-items:center}.display{width:100%;max-width:360px;flex-direction:row;justify-content:space-between}.display label{flex-direction:column;align-items:flex-start;gap:4px}.display input{text-align:left}}@media(max-width:500px){canvas{width:90vw;height:90vw;max-width:420px;max-height:420px}h1{font-size:1.6rem}}