html,body{margin:0;width:100%;height:100%;background:#191e21;color:#eceeef;font:1rem/1.4 system-ui,sans-serif}#game-page{box-sizing:border-box;position:relative;height:100dvh}#game{position:absolute;inset:0;min-width:0;min-height:0;overflow:hidden}#game canvas{display:block;width:100%;height:100%;touch-action:none}#start-gate{position:absolute;inset:0;z-index:3;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.75rem;padding:1rem;background:#111719b8;text-align:center}#start-gate[hidden]{display:none}#start{min-width:10rem;min-height:52px;padding:.8rem 1.5rem;border:1px solid #b4bcb580;border-radius:4px;background:#273b32;color:#edf0e9;font:inherit;cursor:pointer;touch-action:manipulation}#start:active{background:#344c3e}#start:disabled{opacity:.65;cursor:default}#start:focus-visible{outline:2px solid #d5ddc8;outline-offset:4px}#start-note{margin:0;max-width:24rem;color:#bcc4c0;font-size:.8rem}.game-navigation{position:absolute;z-index:4;left:0;right:0;bottom:0;display:flex;align-items:center;justify-content:space-between;padding:.25rem max(.75rem,env(safe-area-inset-right)) max(.25rem,env(safe-area-inset-bottom)) max(.75rem,env(safe-area-inset-left));background:linear-gradient(transparent,#10141699);text-shadow:0 1px 3px #000}.feedback-controls{display:flex;gap:.25rem}#stage{min-height:44px;min-width:0;padding:.4rem .2rem;border:0;border-radius:3px;background:#172023cc;color:#eceeef;font:inherit;font-size:.8rem;cursor:pointer}#stage:disabled{opacity:.6;cursor:default}#stage:focus-visible{outline:2px solid currentColor}.feedback-controls button{min-height:44px;padding:.5rem;border:0;background:transparent;color:#c9d0d2;font:inherit;font-size:.8rem;cursor:pointer}.feedback-controls button:disabled{color:#7b8387;cursor:default}.feedback-controls button:focus-visible{outline:2px solid currentColor}#inspection{position:absolute;top:.5rem;left:.5rem;z-index:1;padding:.5rem;background:#101416dd;color:#d5dddf;font:11px/1.5 monospace;white-space:pre-line;pointer-events:none}.game-navigation a{display:inline-flex;align-items:center;box-sizing:border-box;min-height:44px;padding:.5rem;color:inherit;font-size:.875rem}.game-navigation a:focus-visible{outline:2px solid currentColor;outline-offset:2px}