html,body{margin:0;padding:0;width:100%;height:100%;background:#0a0a0a;overflow:hidden}#app{position:relative;width:100%;height:100%;display:flex;align-items:center;justify-content:center}#game{image-rendering:pixelated;image-rendering:crisp-edges;background:#000}.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#0a0a0ad1;font-family:monospace;color:#fff}.overlay.hidden{display:none}.overlay-panel{display:flex;flex-direction:column;align-items:center;gap:10px;width:min(90vw,420px);padding:24px 28px;background:#14100c;border:3px solid #ffe08a;text-align:center}.overlay-panel h2{margin:0 0 4px;color:#ffe08a;font-size:1.1em;letter-spacing:.05em}.osd-row{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 10px;background:#241c14;border:2px solid #4a3c2a;color:#fff;font-family:monospace;font-size:.95em;cursor:pointer}button.osd-row:focus{outline:none;border-color:#ffe08a;color:#ffe08a}.osd-volume-row{cursor:default}.osd-volume-row input[type=range]{flex:1;margin-left:12px}.osd-volume-row input[type=range]:focus{outline:2px solid #ffe08a}#osd-main-rows,.osd-confirm{display:flex;flex-direction:column;align-items:center;gap:10px;width:100%}#osd-main-rows.hidden,.osd-confirm.hidden{display:none}.osd-confirm-text{margin:0 0 4px;font-size:.85em;line-height:1.4;color:#ffcf9e}.osd-quit-row{justify-content:center;border-color:#7a2a22;color:#ff9a8f}button.osd-quit-row:focus{border-color:#ff6a5a;color:#ff6a5a}.osd-close-hint{margin:-4px 0 4px;font-size:.75em;color:#fff9}.osd-help{width:100%;margin:8px 0 0;padding:8px 0 0;border-top:1px solid #4a3c2a;font-size:.7em;line-height:1.5;color:#ffffffbf;text-align:left;white-space:pre-wrap}