:root{color:#e8f5ff;background:#071426;font-family:Inter,ui-sans-serif,system-ui,sans-serif}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0;display:grid;place-items:center}main{width:min(100vw,1180px);padding:16px}.app-shell{display:flex;align-items:flex-start;justify-content:center;gap:14px}.game-column{width:min(100%,800px)}.game-toolbar{display:flex;justify-content:flex-end;gap:8px;margin:0 0 8px}.game-toolbar button{border:1px solid #447b9b;border-radius:7px;background:#173a55;color:#e8f5ff;cursor:pointer;font:inherit;font-size:14px;padding:7px 10px}.game-toolbar button:hover{background:#214d6d}.game-toolbar button:disabled{opacity:.55;cursor:default}#game{overflow:hidden;border:1px solid #2d607e;border-radius:14px;box-shadow:0 20px 70px #0008}canvas{display:block;width:100%!important;height:auto!important}#debug-panel{width:300px;max-height:640px;overflow:auto;border:1px solid #2d607e;border-radius:14px;background:#0a1c2d;box-shadow:0 20px 70px #0008;padding:16px}.debug-heading{display:flex;align-items:baseline;justify-content:space-between;gap:10px;border-bottom:1px solid #28546f;padding-bottom:10px}.debug-heading h2{color:#91efff;font-size:17px;margin:0}.debug-heading span{color:#8daaba;font-size:11px;white-space:nowrap}#debug-content{color:#d9efff;font:12px/1.6 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;margin:13px 0 0;white-space:pre-wrap}@media(max-width:1080px){.app-shell{align-items:stretch;flex-direction:column}.game-column{width:100%}#debug-panel{width:100%;max-height:340px}}