:root{color-scheme:light;--bg: #f3f5f8;--grid: #ffffff;--line: #d8dee7;--line-strong: #aab4c2;--ink: #151515;--accent: #e94f37}*,*:before,*:after{box-sizing:border-box}html,body{width:100%;height:100%}body{margin:0;overflow:hidden;background:var(--bg);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;letter-spacing:0}.stage{position:fixed;inset:0;touch-action:none;background:linear-gradient(45deg,#e9edf3 25%,transparent 25%),linear-gradient(-45deg,#e9edf3 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#e9edf3 75%),linear-gradient(-45deg,transparent 75%,#e9edf3 75%);background-position:0 0,0 10px,10px -10px,-10px 0;background-size:20px 20px}#gridCanvas{display:block;width:100%;height:100%;cursor:grab;image-rendering:pixelated;outline:none}#gridCanvas.dragging{cursor:grabbing}.mini-map{position:absolute;right:14px;bottom:14px;width:160px;height:160px;border:1px solid rgba(21,21,21,.2);border-radius:6px;background:#ffffffeb;box-shadow:0 12px 30px #1515151f;cursor:crosshair;image-rendering:pixelated}@media(max-width:600px){.mini-map{right:10px;bottom:10px;width:124px;height:124px}}.help-button{position:absolute;top:14px;left:14px;width:38px;height:38px;padding:0;border:1px solid rgba(21,21,21,.2);border-radius:50%;background:#ffffffeb;color:var(--ink);font-family:inherit;font-size:20px;font-weight:600;line-height:1;cursor:pointer;box-shadow:0 12px 30px #1515151f;z-index:10}.help-button:hover{border-color:var(--accent);color:var(--accent)}.help-button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.help-dialog{width:min(460px,calc(100vw - 28px));padding:24px 26px 22px;border:1px solid var(--line-strong);border-radius:12px;background:var(--grid);color:var(--ink);box-shadow:0 24px 60px #15151540}.help-dialog::backdrop{background:#15151559}.help-dialog h2{margin:0 30px 12px 0;font-size:20px}.help-dialog h3{margin:20px 0 6px;font-size:14px;text-transform:uppercase;letter-spacing:.04em;color:var(--line-strong)}.help-dialog p{margin:0 0 6px;font-size:14px;line-height:1.5}.help-dialog pre{margin:0;padding:12px 14px;background:var(--bg);border:1px solid var(--line);border-radius:8px;overflow-x:auto}.help-dialog code{font-family:ui-monospace,SFMono-Regular,SF Mono,Menlo,Consolas,monospace;font-size:12.5px}.help-dialog p code{padding:1px 5px;background:var(--bg);border-radius:4px}.help-note{margin-top:16px;font-size:13px;color:var(--line-strong)}.help-links{margin-top:18px}.help-links a{color:var(--accent);text-decoration:none;font-weight:600}.help-links a:hover{text-decoration:underline}.help-links span{margin:0 8px;color:var(--line-strong)}.help-close{position:absolute;top:12px;right:14px;width:30px;height:30px;padding:0;border:none;border-radius:6px;background:transparent;color:var(--line-strong);font-size:24px;line-height:1;cursor:pointer}.help-close:hover{color:var(--ink);background:var(--bg)}