.game-canvas{display:block;width:100%;height:100%;background:#0a0a1a;image-rendering:pixelated;image-rendering:crisp-edges;cursor:crosshair}.app{width:100vw;height:100dvh;display:flex;justify-content:center;align-items:center;background:#0a0a0a;margin:0;padding:0;font-family:monospace;color:#fff;overflow:hidden}.game-container{position:relative;height:100dvh;max-height:844px;aspect-ratio:390 / 844;max-width:100vw;background:#1a1a2e;border:2px solid #333;box-sizing:border-box;overflow:hidden}.game-canvas{display:block;width:100%;height:100%}.hud{position:absolute;top:0;left:0;right:0;pointer-events:none;z-index:10}.debug-info{background:#000000b3;padding:8px;font-size:12px;color:#0f0;border-bottom:1px solid #333;line-height:1.4}.gate-open{color:#0f0;font-weight:700;font-size:14px;margin-top:4px}.controls{position:absolute;bottom:8px;left:8px;right:8px;display:flex;gap:6px;justify-content:space-between;pointer-events:auto;z-index:20}.control-btn{flex:1 1 0;min-width:0;min-height:48px;padding:6px 2px;background:#333;border:1px solid #555;color:#fff;font-family:monospace;font-size:12px;font-weight:700;cursor:pointer;border-radius:4px;touch-action:manipulation}.control-btn:active{background:#555;border-color:#777}.control-btn:hover{background:#444}*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden}#root{width:100%;height:100%}.onboarding-modal{position:fixed;top:0;left:0;right:0;bottom:0;transform:translateZ(0);background:#000000e6;display:flex;align-items:center;justify-content:center;z-index:9999}.onboarding-content{background:linear-gradient(160deg,#1a1a2e,#0a0a14);border:1px solid rgba(100,200,255,.22);border-radius:6px;padding:26px 22px 22px;max-width:360px;max-height:80vh;overflow-y:auto;position:relative;box-shadow:0 10px 40px #0009}.onboarding-title{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#64c8ff;font-size:17px;letter-spacing:1px;margin-bottom:14px;text-align:center;font-weight:600}.onboarding-body p{margin-bottom:10px;font-size:13px;line-height:1.55;color:#fff}.onboarding-body strong{color:#64c8ff}.onboarding-dots{display:flex;justify-content:center;gap:6px;margin:14px 0}.onboarding-dot{width:6px;height:6px;border-radius:50%;background:#64c8ff40}.onboarding-dot.active{background:#64c8ff}.onboarding-close{width:100%;padding:12px;background:linear-gradient(160deg,#64c8ff,#3da8d9);color:#000;border:none;border-radius:4px;font-weight:700;font-size:13px;letter-spacing:.5px;cursor:pointer;-webkit-user-select:none;user-select:none}.onboarding-close:active{opacity:.85;transform:scale(.98)}.info-button{position:fixed;top:12px;right:12px;width:44px;height:44px;padding:0;background:#333;color:#fff;border:1px solid #555;border-radius:4px;font-weight:600;font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;-webkit-user-select:none;user-select:none;transition:all .2s;z-index:9998}.info-button:active{transform:scale(.95);background:#444}