.playfield{min-height:calc(100dvh - 56px);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-4);padding:var(--space-5)}.speed-meter{display:flex;align-items:baseline;gap:var(--space-2);padding:var(--space-2) var(--space-4);border:var(--outline);border-radius:var(--radius);background:var(--stock-2);font-size:var(--step-1)}.speed-meter__label{opacity:.6}.speed-meter__value{font-size:var(--step-4);font-weight:700;color:var(--meter-ink, var(--jade));animation:speed-pulse var(--pulse-duration, 1.1s) ease-in-out infinite}.speed-meter[data-tier=calm]{--meter-ink: var(--jade)}.speed-meter[data-tier=brisk]{--meter-ink: var(--sun)}.speed-meter[data-tier=danger]{--meter-ink: var(--pink)}@keyframes speed-pulse{0%,to{opacity:1}50%{opacity:.45}}@media (prefers-reduced-motion: reduce){.speed-meter__value{animation:none}}.speed-board{width:min(100%,640px);aspect-ratio:640 / 384;background:var(--stock-2);border:var(--outline);border-radius:var(--radius);touch-action:none}.speed-board:focus-visible{outline:2px solid var(--ink);outline-offset:4px}.speed-hint{opacity:.6;font-size:var(--step-0);text-align:center}