.game-snake{max-width:440px;margin:0 auto;text-align:center;font-family:-apple-system,"Segoe UI",Roboto,"Microsoft JhengHei",sans-serif;}
.title-snake{font-size:1.5rem;margin:0 0 12px;}
.bar-snake{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:center;margin-bottom:12px;font-size:.95rem;}
.bar-snake select{padding:6px 8px;border:1px solid #d0d0d0;border-radius:6px;}
.bar-snake #start-snake{padding:8px 18px;border:none;border-radius:8px;background:#16a34a;color:#fff;cursor:pointer;}
#canvas-snake{background:#0f172a;border-radius:12px;width:100%;max-width:400px;height:auto;touch-action:none;}
.msg-snake{min-height:24px;margin:10px 0;font-size:.95rem;color:#444;}
.pad-snake{display:inline-flex;flex-direction:column;align-items:center;gap:6px;margin-top:6px;}
.pad-snake>div{display:flex;gap:6px;}
.pad-snake button{width:60px;height:48px;font-size:1.2rem;border:1px solid #cbd5e1;background:#f1f5f9;border-radius:10px;cursor:pointer;}
.pad-snake button:active{background:#e2e8f0;}
.tip-snake{font-size:.82rem;color:#888;margin-top:10px;}