@import "https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&display=swap";:root{--bg-gradient:linear-gradient(135deg, #0f172a 0%, #1e293b 100%);--board-border:#ffffff1a;--glass-bg:#ffffff0d;--glass-border:#ffffff1a;--square-light:#e2e8f0;--square-dark:#64748b;--square-highlight:#38bdf866;--text-primary:#f8fafc;--text-secondary:#94a3b8}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-gradient);color:var(--text-primary);justify-content:center;align-items:flex-start;min-height:100vh;font-family:Outfit,sans-serif;display:flex;overflow:hidden auto}#root{flex-direction:column;justify-content:flex-start;align-items:center;width:100%;min-height:100%;display:flex}.app-container{flex-direction:row;justify-content:center;align-items:flex-start;gap:2rem;width:100%;max-width:1400px;padding:2rem;display:flex}.sidebar{background:var(--glass-bg);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:24px;flex-direction:column;gap:2rem;min-width:300px;padding:2rem;display:flex;box-shadow:0 25px 50px -12px #00000080}.main-content{flex:1;justify-content:center;align-items:center;display:flex}.header{text-align:center}.header h1{background:linear-gradient(90deg,#38bdf8,#818cf8);-webkit-text-fill-color:transparent;letter-spacing:-1px;-webkit-background-clip:text;margin-bottom:.5rem;font-size:3rem;font-weight:800}.header p{color:var(--text-secondary);font-size:1.1rem}.board-container{background:var(--glass-bg);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:24px;flex-direction:column;justify-content:center;align-items:center;gap:1rem;padding:1.5rem;display:flex;position:relative;box-shadow:0 25px 50px -12px #00000080}.board-container:before{content:"";z-index:-1;opacity:.3;background:linear-gradient(45deg,#38bdf8,#0000,#818cf8);border-radius:26px;position:absolute;inset:-2px}.chess-board{border:2px solid var(--board-border);border-radius:8px;grid-template-rows:repeat(16,minmax(0,1fr));grid-template-columns:repeat(16,minmax(0,1fr));width:80vmin;max-width:800px;height:80vmin;max-height:800px;display:grid;overflow:hidden;box-shadow:inset 0 0 20px #00000080}.board-layout{flex-direction:row;display:flex}.rank-labels-container{height:80vmin;max-height:800px;color:var(--text-secondary);text-align:right;grid-template-rows:repeat(16,1fr);align-items:center;margin-right:.5rem;font-weight:600;display:grid}.board-and-files{flex-direction:column;display:flex}.file-labels-container{width:80vmin;max-width:800px;color:var(--text-secondary);text-align:center;grid-template-columns:repeat(16,1fr);margin-top:.5rem;font-weight:600;display:grid}.axis-label{opacity:.8;justify-content:center;align-items:center;font-size:.85rem;display:flex}.rank-labels-container .axis-label{justify-content:flex-end}.square{cursor:pointer;-webkit-user-select:none;user-select:none;justify-content:center;align-items:center;font-size:3.5vmin;transition:all .2s;display:flex;position:relative}.square.light{background-color:var(--square-light);color:#1e293b}.square.dark{background-color:var(--square-dark);color:#f8fafc}.square:hover:after{content:"";background:var(--square-highlight);z-index:10;position:absolute;inset:0}.square.selected{background-color:#eab30880}.square.valid-move:after{content:"";z-index:1;background:#22c55e33;position:absolute;inset:0}.move-indicator{z-index:2;background-color:#22c55e99;border-radius:50%;width:25%;height:25%;position:absolute}.capture-indicator{z-index:4;border:4px solid #22c55e99;border-radius:50%;width:85%;height:85%;position:absolute}.piece{z-index:5;filter:drop-shadow(0 4px 4px #0000004d);transition:transform .2s cubic-bezier(.34,1.56,.64,1)}.piece-pawn{font-size:.8em}.piece-white{color:#f8fafc;text-shadow:0 2px 4px #00000080}.piece-black{color:#0f172a;text-shadow:0 2px 4px #fff3}.square:hover .piece{transform:scale(1.15)translateY(-2px)}.captured-panels{flex-direction:column;gap:1.5rem;display:flex}.captured-panel{flex-direction:column;gap:.5rem;display:flex}.captured-panel h3{color:var(--text-secondary);border-bottom:1px solid var(--glass-border);margin-bottom:.5rem;padding-bottom:.5rem;font-size:1rem}.captured-pieces{flex-wrap:wrap;gap:4px;min-height:40px;display:flex}.captured-piece{opacity:.8;font-size:1.5rem}.game-status-banner{text-align:center;flex-direction:column;align-items:center;gap:1rem;display:flex}.game-status-banner h2{color:#fca5a5;font-size:1.5rem}.reset-button{color:#fff;cursor:pointer;background:linear-gradient(90deg,#3b82f6,#8b5cf6);border:none;border-radius:8px;padding:.5rem 1.5rem;font-weight:700;transition:opacity .2s}.reset-button:hover{opacity:.9}.modal-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;background:#0f172acc;justify-content:center;align-items:flex-start;width:100vw;height:100vh;padding:2rem 0;animation:.3s ease-out forwards fadeIn;display:flex;position:fixed;top:0;left:0;overflow-y:auto}.setup-modal,.victory-modal{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:24px;flex-direction:column;gap:1.5rem;min-width:400px;padding:3rem;animation:.4s cubic-bezier(.16,1,.3,1) forwards slideUp;display:flex;box-shadow:0 25px 50px -12px #00000080}.setup-modal h2,.victory-modal h1{text-align:center;background:linear-gradient(90deg,#38bdf8,#818cf8);-webkit-text-fill-color:transparent;-webkit-background-clip:text}.victory-modal p{text-align:center;color:var(--text-secondary);font-size:1.2rem}.input-group{flex-direction:column;gap:.5rem;display:flex}.input-group label{color:var(--text-secondary);font-weight:600}.input-group input{border:1px solid var(--glass-border);color:#fff;background:#0f172a80;border-radius:8px;padding:.75rem;font-family:inherit;font-size:1rem}.input-group input:focus{border-color:#38bdf8;outline:none}.start-button{color:#fff;cursor:pointer;background:linear-gradient(90deg,#38bdf8,#818cf8);border:none;border-radius:8px;margin-top:1rem;padding:1rem;font-size:1.1rem;font-weight:700;transition:transform .2s,box-shadow .2s}.start-button:hover{transform:translateY(-2px);box-shadow:0 10px 25px -5px #38bdf880}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media 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