body,html{margin:0;padding:0;width:100%;height:100%;overflow:hidden;background-color:#111;color:#fff;font-family:sans-serif}#webgpu-canvas{width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0}#top-ui-container{position:absolute;top:0;left:0;width:100%;display:flex;justify-content:space-between;align-items:flex-start;padding:10px;box-sizing:border-box;z-index:1}#cookie-stats{display:flex;flex-direction:column;align-items:flex-start;background-color:#00000080;padding:10px;border-radius:5px;pointer-events:none}#cookie-counter,#cps-display,#click-power-display{font-size:20px;text-shadow:2px 2px 4px rgba(0,0,0,.7);margin-bottom:5px}#game-controls{background-color:#00000080;padding:10px;border-radius:5px;display:flex;gap:10px;pointer-events:auto}#debug-controls{position:absolute;top:60px;right:10px;background-color:#00000080;padding:10px;border-radius:5px;display:flex;align-items:center;z-index:1;pointer-events:auto}#upgrade-area{position:absolute;bottom:10px;left:10px;background-color:#00000080;padding:10px;border-radius:5px;display:flex;flex-direction:column;align-items:flex-start;z-index:1;pointer-events:auto}#notification-area{position:absolute;bottom:30px;left:50%;transform:translate(-50%);font-size:28px;font-weight:700;color:gold;text-shadow:3px 3px 6px rgba(0,0,0,.8);pointer-events:none;transition:opacity 1s ease-in-out;opacity:0;z-index:1}#upgrade-button{padding:8px 15px;font-size:18px;cursor:pointer;background-color:#4caf50;color:#fff;border:none;border-radius:5px;margin-bottom:5px}#upgrade-button:disabled{background-color:#888;cursor:not-allowed}#upgrade-effect{font-size:16px;color:#eee}#notification-area.show{opacity:1}