.chess-shell{max-width:900px;margin:auto;padding:10px;background:var(--plc-game-bg,#080d1d);color:#fff}.game-top{display:flex;align-items:center;gap:8px}.game-top>div{flex:1;text-align:center}.game-top small{display:block;color:#9ca8c7}.game-top button,.chess-actions button{border:1px solid #344263;border-radius:10px;background:#151e38;color:#fff;padding:10px;font-weight:900}.chess-lobby{padding:16px}.chess-lobby>div{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}.chess-lobby label{display:grid;gap:5px;font-size:11px}.chess-lobby input,.chess-lobby select{padding:10px;border:1px solid #344263;border-radius:8px;background:#080d1d;color:#fff}.chess-lobby .plc-primary{width:100%;margin-top:12px;padding:12px;border:0;border-radius:10px;background:var(--plc-game-accent,#2ad884);font-weight:900}.chess-status{display:grid;grid-template-columns:1fr 2fr 1fr;align-items:center;text-align:center;margin:10px 0}.chess-status>div{background:#111a32;padding:8px}.chess-status small{display:block;color:#9ca8c7}.chess-board{display:grid;grid-template-columns:repeat(8,1fr);width:min(92vw,680px);margin:auto;border:6px solid #382d20}.chess-square{aspect-ratio:1;border:0;font-size:clamp(24px,7vw,52px);display:grid;place-items:center}.chess-square.light{background:#f0d9b5}.chess-square.dark{background:#769656}.chess-square.selected{outline:5px solid #ffd54a;z-index:2}.chess-square.legal::after{content:'';width:25%;height:25%;border-radius:50%;background:#0007;position:absolute}.chess-square{position:relative}.chess-square.last{box-shadow:inset 0 0 0 5px #ffdd4a88}.chess-actions{display:flex;justify-content:center;gap:8px;margin:12px}@media(max-width:600px){.chess-lobby>div{grid-template-columns:1fr 1fr}.chess-board{width:100%;border-width:3px}.game-top{position:sticky;top:0;z-index:5;background:#080d1df2;padding:5px}.chess-square{font-size:clamp(22px,10vw,42px)}}

/* PLC Game font compatibility */
#plc-304,#plc-blackjack,#plc-chess,#plc-sos,#lm-app,#lc-app,#rl2-app,#plc-304 button,#plc-blackjack button,#plc-chess button,#plc-sos button,#lm-app button,#lc-app button,#rl2-app button,#plc-304 input,#plc-blackjack input,#plc-chess input,#plc-sos input,#lm-app input,#lc-app input,#rl2-app input,#plc-304 select,#plc-blackjack select,#plc-chess select,#plc-sos select,#lm-app select,#lc-app select,#rl2-app select{font-family:var(--plc-game-font,"Poppins",ui-sans-serif,system-ui,sans-serif)!important;}