.embed-mode { overflow:hidden; }
.embed-mode body { min-height:100vh; background:radial-gradient(circle at 85% 5%,rgba(124,92,255,.18),transparent 28%),#09090b; }
.embed-mode .site-header,.embed-mode .game-header,.embed-mode .site-footer { display:none; }
.embed-mode .container { width:100%; max-width:none; }
.embed-mode .game-layout { display:block; padding:0; }
.embed-mode .play-card { min-height:100%; border:0; border-radius:0; box-shadow:none; padding:14px; }
.embed-mode .info-stack { display:none; }
.embed-mode .board-wrap { padding:10px 0 4px; overflow:hidden; }
.embed-mode .gomoku-board { width:min(600px,calc(100vw - 40px)); max-width:600px; }
.embed-mode .canvas-card { border-radius:0; min-height:100vh; }

.embed-mode body.caro-page { background:#f8fafc; }
.embed-mode body.caro-page .play-card { background:#fff; }
.embed-mode body.caro-page .gomoku-board { width:min(760px,calc(100vw - 40px)); max-width:760px; grid-template-columns:repeat(20,minmax(0,1fr)); grid-template-rows:repeat(20,minmax(0,1fr)); }