html,body{background:var(--color-bg-deep);width:100%;height:100%;color:var(--color-ink);font-family:var(--font-mono);-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;margin:0;padding:0;overflow:hidden}#game{touch-action:none;width:100vw;height:100dvh;display:block;position:fixed;inset:0}@supports not (height:100dvh){#game{height:100vh}}:root{--game-accent:#f5d79a;--game-accent-dim:#f5d79a99}.upgrade-options{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.upgrade-btn{border:2px solid var(--game-accent-dim);min-width:130px;color:var(--color-ink);cursor:pointer;touch-action:manipulation;background:#0a0e18b3;border-radius:10px;flex-direction:column;align-items:center;gap:4px;padding:14px 16px;display:flex}.upgrade-btn:hover,.upgrade-btn:focus-visible{border-color:var(--game-accent)}.upgrade-btn-title{letter-spacing:.08em;color:var(--game-accent);font:700 14px Space Mono,monospace}.upgrade-btn-sub{color:#ffffffa6;font-size:11px}.controls{z-index:20;pointer-events:none;justify-content:space-between;align-items:flex-end;padding:0 18px;display:flex;position:fixed;bottom:18px;left:0;right:0}.controls .dpad{pointer-events:none;grid-template-rows:repeat(3,56px);grid-template-columns:repeat(3,56px);grid-template-areas:".up.""left.right"".down.";gap:8px;display:grid}.dpad-up{grid-area:up}.dpad-left{grid-area:left}.dpad-right{grid-area:right}.dpad-down{grid-area:down}.controls button{pointer-events:auto;width:72px;height:72px;color:var(--color-ink);touch-action:manipulation;background:#0a0e188c;border:1px solid #ffffff40;border-radius:50%;font-size:26px}.controls .dpad button{width:56px;height:56px;font-size:19px}.controls button:active{background:#e03a2f59}.controls #fire{color:#f5d79a;border-color:#f5d79a8c}.controls #fire:active{background:#f5d79a59}@media (width>=900px){.controls{display:none}}