html,body{margin:0;height:100%;background:#000;overflow:hidden}#game-container{width:100%;height:100%;background:#000}#game-container canvas{display:block;image-rendering:auto!important}.knobs-panel{position:fixed;box-sizing:border-box;overflow-y:auto;padding:6px;background:#000c;color:#ddd;font:11px/1.3 monospace;z-index:10}.knobs-panel details.knob-group{margin:0}.knobs-panel details.knob-group>summary{margin:10px 0 4px;font-size:12px;color:#ffd800;border-bottom:1px solid #444;cursor:pointer;-webkit-user-select:none;user-select:none}.knobs-panel details.knob-subgroup{margin:0 0 2px 6px}.knobs-panel details.knob-subgroup>summary{margin:4px 0 2px;font-size:11px;color:#aaa;cursor:pointer;-webkit-user-select:none;user-select:none}.knob-row{position:relative;margin-bottom:6px}.knob-info{display:inline-block;width:12px;height:12px;margin-left:4px;border-radius:50%;background:#445;color:#ddd;font:italic 700 9px/12px serif;text-align:center;vertical-align:1px;cursor:help}.knob-info:hover,.knob-info:focus{background:#ffd800;color:#000;outline:none}.knob-tip{display:none;position:absolute;top:16px;left:0;right:0;z-index:1;padding:6px 8px;border:1px solid #ffd800;border-radius:4px;background:#111;color:#eee;font:11px/1.4 sans-serif;white-space:normal;box-shadow:0 2px 8px #0009}.knob-info:hover+.knob-tip,.knob-info:focus+.knob-tip{display:block}.knob-header{display:flex;gap:6px;align-items:center}.knob-label{flex:1}.knob-value{color:#8cf;white-space:nowrap}.knob-row input[type=range]{width:100%;margin:0}.knob-color{display:flex;gap:4px}.knob-hex{width:7em;font:inherit}.knob-reset{padding:0 4px;font:inherit;cursor:pointer}.knobs-panel summary .knob-copy{float:right;padding:0 4px;font:10px monospace;cursor:pointer}.knob-readout{color:#8cf;margin-bottom:6px}.knobs-reset{display:block;width:100%;height:44px;font:700 14px monospace;color:#fff;background:#b00020;border:0;cursor:pointer}.knobs-restart{position:fixed;transform:translate(-50%);z-index:10;padding:2px 16px;font:700 12px monospace;cursor:pointer}#custom-maze-prompt{position:fixed;inset:0;display:flex;flex-direction:column;align-items:center;gap:8px;padding:12px;background:#000;color:#ddd;font:12px/1.3 monospace;z-index:20}#custom-maze-prompt textarea{font:12px/1 monospace;background:#111;color:#fff}