.chess-container{max-width:1400px;margin:0 auto;padding:10px}@media(min-width:900px){.game-content{flex-direction:row;align-items:start;justify-content:center;gap:20px}}.left-column{width:100%;max-width:600px}@media(min-width:900px){.left-column{width:300px;flex-shrink:0;display:flex;flex-direction:column;gap:20px}}@media(max-width:899px){.left-column{display:contents}.game-info{order:1}.board-wrapper{order:2}.move-history{order:3}.about-box{order:4;margin-top:20px}}.game-info{background:#d0d8e0;padding:20px;border-radius:10px;display:flex;flex-direction:column;gap:15px;box-shadow:0 4px 20px #00d4ff4d,0 0 40px #00b4d81a;border:1px solid rgba(0,212,255,.3);width:100%;max-width:600px}@media(max-width:899px){.game-info{flex-direction:row;justify-content:space-between;align-items:center;flex-wrap:wrap}}.status{font-size:1.2rem;font-weight:600;color:#2a4a6a;text-shadow:none}@media(max-width:899px){.status{flex:1;min-width:200px}}.ai-status{font-size:.9rem;font-weight:500}.model-loaded{color:#0a7050;background:#10b98126;padding:6px 12px;border-radius:5px;border:1px solid rgba(16,185,129,.3);font-weight:600}.model-loading{color:#8b5a00;background:#f59e0b26;padding:6px 12px;border-radius:5px;border:1px solid rgba(245,158,11,.3);font-weight:600}.model-failed{color:#c41e3a;background:#dc262626;padding:6px 12px;border-radius:5px;border:1px solid rgba(220,38,38,.3);font-weight:600}.button-group{display:flex;gap:10px;align-items:center}.reset-button{padding:10px 20px;font-size:1rem;background:#2a4a6a;color:#fff;border:2px solid #2a4a6a;border-radius:5px;cursor:pointer;transition:all .3s;box-shadow:0 2px 8px #2a4a6a4d}.reset-button:hover{background:#3a5a7a;box-shadow:0 4px 12px #2a4a6a66}.toggle-hints-button{padding:10px 20px;font-size:1rem;background:#fff;color:#4a5a6a;border:2px solid #4a5a6a;border-radius:5px;cursor:pointer;transition:all .3s;font-weight:500}.toggle-hints-button.active{background:#2a4a6a;color:#fff;border-color:#2a4a6a}.toggle-hints-button:hover{background:#f5f5f5;border-color:#3a4a5a}.toggle-hints-button.active:hover{background:#3a5a7a;border-color:#3a5a7a}.game-content{display:flex;flex-direction:column;gap:20px;align-items:center}@media(min-width:900px){.game-content{flex-direction:row;align-items:start;justify-content:flex-start;max-width:1200px;margin:0 auto;position:relative}}.board-wrapper{display:flex;justify-content:center;flex-shrink:0}.move-history{background:#d0d8e0;padding:20px;border-radius:10px;box-shadow:0 4px 20px #00d4ff4d,0 0 40px #00b4d81a;border:1px solid rgba(0,212,255,.3);height:fit-content;width:100%;max-width:600px}@media(min-width:900px){.move-history{width:300px;max-width:none}}.board{display:grid;grid-template-columns:repeat(8,1fr);grid-template-rows:repeat(8,1fr);gap:0;width:600px;height:600px;border:2px solid #2a3a4a;box-shadow:0 0 30px #00d4ff80,0 10px 50px #00000080;flex-shrink:0}.square{width:100%;height:100%;display:flex;justify-content:center;align-items:center;cursor:pointer;position:relative;transition:all .2s;overflow:hidden}.square.light{background:#d0d8e0}.square.dark{background:#4a5a6a}.square:hover{filter:brightness(.9)}.square.selected{background:#5a9fb5!important;box-shadow:inset 0 0 0 3px #2a4a6a}.square.possible-move{background:#88c0a0!important;box-shadow:inset 0 0 0 2px #0a7050}.square.last-move-from{background:#c9b658!important;box-shadow:inset 0 0 0 2px #7d7020}.square.last-move-to{background:#d9c968!important;box-shadow:inset 0 0 0 2px #8d8030}.piece-img{width:68%;height:auto;max-width:68px;-webkit-user-select:none;user-select:none;pointer-events:none;filter:drop-shadow(0 2px 2px rgba(0,0,0,.35))}.move-indicator{position:absolute;width:25%;height:25%;background:#0f86;border-radius:50%;box-shadow:0 0 10px #0f89}.move-history h3{margin-top:0;margin-bottom:15px;color:#2a4a6a;font-size:1.3rem;text-shadow:none}.moves{max-height:500px;overflow-y:auto;text-align:left;display:grid;grid-template-columns:repeat(2,1fr);gap:5px 15px}@media(max-width:899px){.moves{max-height:200px;grid-template-columns:repeat(3,1fr)}}.move{font-family:Courier New,monospace;color:#555;padding:2px 0}.no-moves{color:#999;font-style:italic;text-align:center;padding:20px;grid-column:1 / -1}.about-box{background:#d0d8e0;padding:20px;border-radius:10px;box-shadow:0 4px 20px #00d4ff4d,0 0 40px #00b4d81a;border:1px solid rgba(0,212,255,.3)}.about-box h3{margin-top:0;margin-bottom:12px;color:#2a4a6a;font-size:1.2rem;text-shadow:none}.about-box p{margin:0 0 10px;color:#555;font-size:.95rem;line-height:1.5}.about-box p:last-child{margin-bottom:0}.promotion-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000b3;display:flex;justify-content:center;align-items:center;z-index:1000}.promotion-dialog{background:#d0d8e0;padding:30px;border-radius:15px;box-shadow:0 8px 40px #00000080;border:2px solid rgba(0,212,255,.5);text-align:center}.promotion-dialog h3{margin-top:0;margin-bottom:20px;color:#2a4a6a;font-size:1.4rem}.promotion-choices{display:flex;gap:15px;justify-content:center;flex-wrap:wrap}.promotion-piece{padding:12px 14px;background:#2a4a6a;color:#fff;border:2px solid #2a4a6a;border-radius:10px;cursor:pointer;transition:all .3s;font-weight:600;min-width:110px;display:flex;flex-direction:column;gap:6px;align-items:center}.promotion-piece:hover{background:#3a5a7a;transform:scale(1.05);box-shadow:0 4px 15px #2a4a6a66}.promotion-piece img{width:48px;height:auto;filter:drop-shadow(0 1px 1px rgba(0,0,0,.25))}.promotion-piece span{font-size:.95rem}@media(max-width:768px){.chess-container{padding:10px}.board{width:min(600px,100vw - 40px);height:min(600px,100vw - 40px)}.piece-img{width:64%;max-width:60px}.game-info{flex-direction:column;align-items:stretch;gap:15px;padding:15px}.status{text-align:center;min-width:unset}.ai-status{text-align:center}.button-group{flex-direction:row;width:100%;justify-content:center}.move-history{margin-top:20px}.status{font-size:1rem}.toggle-hints-button,.reset-button{font-size:.9rem;padding:8px 16px}}.app{text-align:center}.app-header{margin-bottom:15px;color:#00d4ff}.app-header h1{font-size:2.5rem;margin-bottom:10px;text-shadow:0 0 20px rgba(0,212,255,.8),0 0 40px rgba(0,180,216,.5)}.speech-bubble-container{display:flex;align-items:center;justify-content:center;gap:15px;margin-bottom:10px}.pawn-speaker{width:56px;height:56px;display:flex;align-items:center;justify-content:center;filter:drop-shadow(0 2px 4px rgba(0,0,0,.3));animation:float 3s ease-in-out infinite}.pawn-speaker img{width:100%;height:100%;object-fit:contain;image-rendering:auto}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.speech-bubble{position:relative;background:#d0d8e0;border-radius:12px;padding:12px 20px;max-width:600px;color:#2a4a6a;font-size:1rem;box-shadow:0 2px 8px #00000026}.speech-bubble:before{content:"";position:absolute;left:-10px;top:50%;transform:translateY(-50%);width:0;height:0;border-top:10px solid transparent;border-bottom:10px solid transparent;border-right:10px solid #d0d8e0}.app-header p{font-size:1rem;color:#89a;opacity:.9}.app-main{display:flex;justify-content:center;align-items:center;margin-bottom:10px}.app-footer{color:#89a;opacity:.8;font-size:.9rem}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-image:url(/chess/img/background.png);background-size:cover;background-position:center;background-attachment:fixed;background-repeat:no-repeat;min-height:100vh;display:flex;justify-content:center;align-items:center}#root{width:100%;max-width:1200px;padding:20px}