@import"https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700;800&display=swap";:root{--bg-dark: #312e2b;--bg-gradient: none;--text-main: #ffffff;--text-muted: #989795;--brand-yellow: #f5c736;--brand-yellow-hover: #fae17b;--highlight-yellow: rgba(245, 199, 54, .5);--player1-bg: #f8f8f8;--player1-border: #d4d4d4;--player2-bg: #262421;--player2-border: #111111;--board-bg: #262421;--board-line: #989795;--panel-bg: #262421;--panel-border: rgba(255, 255, 255, .1);--panel-shadow: 0 4px 12px rgba(0, 0, 0, .5)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Montserrat,-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;background:var(--bg-dark);color:var(--text-main);min-height:100vh;display:flex;flex-direction:column}.glass-panel{background-color:var(--panel-bg);border:1px solid var(--panel-border);box-shadow:var(--panel-shadow);border-radius:8px;-webkit-backdrop-filter:none;backdrop-filter:none}@keyframes pulseGlow{0%{transform:scale(1);opacity:1}50%{transform:scale(1.05);opacity:.8}to{transform:scale(1);opacity:1}}.pulse-anim{animation:pulseGlow 2s infinite ease-in-out}.glow-text-p1{color:#fff;display:inline-flex;align-items:center;gap:8px;text-shadow:none}.glow-text-p1:before{content:"";display:inline-block;width:14px;height:14px;background-color:var(--player1-bg);border-radius:50%;border:1px solid var(--player1-border);box-shadow:inset 0 -2px 3px #0000001a}.glow-text-p2{color:#fff;display:inline-flex;align-items:center;gap:8px;text-shadow:none}.glow-text-p2:before{content:"";display:inline-block;width:14px;height:14px;background-color:var(--player2-bg);border-radius:50%;border:1px solid #111;box-shadow:inset 0 -2px 3px #00000080}:root{--sidebar-w: 200px;--bg-darker: #21201d;--bg-main: #262421;--card-bg: #2b2926;--brand-yellow: #f5c736;--brand-yellow-hover: #ffd147;--brand-yellow-dark: #b58d1b;--chess-shadow: rgba(0, 0, 0, .4);--board-bg: #262421;--board-line: rgba(255, 255, 255, .15);--board-accent: #3c3a34}.app-container{display:flex;flex-direction:row;min-height:100vh;width:100%}.btn-chess{border:none;border-radius:4px;font-weight:800;cursor:pointer;transition:all .1s ease;position:relative;display:flex;align-items:center;justify-content:center;gap:.75rem;text-transform:none;font-family:inherit;box-shadow:0 4px #0003;padding:1rem 2rem;font-size:1.1rem}.btn-chess:active{transform:translateY(3px);box-shadow:0 1px #0003}.btn-chess-primary{background:var(--brand-yellow);color:#000;border-bottom:6px solid var(--brand-yellow-dark)}.btn-chess-primary:hover{background:var(--brand-yellow-hover)}.btn-chess-secondary{background:#3c3a34;color:#fff;border-bottom:6px solid #2b2a24}.btn-chess-secondary:hover{background:#4a4841}.sidebar{width:var(--sidebar-w);background-color:var(--bg-darker);display:flex;flex-direction:column;justify-content:space-between;padding:0;border-right:1px solid rgba(255,255,255,.05);z-index:1000;position:fixed;top:0;left:0;bottom:0;overflow:visible;transition:all .3s ease}@media(max-width:768px){.sidebar{width:280px;height:100vh;position:fixed;top:0;left:-280px;bottom:0;z-index:9000;flex-direction:column;border-right:1px solid rgba(255,255,255,.1);box-shadow:20px 0 50px #00000080;visibility:hidden}.sidebar.open{left:0;visibility:visible}.sidebar-brand.mobile-hide{display:none}.sidebar-nav{flex-direction:column;height:auto;width:100%;align-items:stretch;padding:0 .5rem;gap:.2rem}.sidebar-btn{flex-direction:row;justify-content:flex-start;align-items:center;gap:1rem;padding:1rem .75rem;font-size:1rem;height:auto}.sidebar-btn span{display:block!important}.sidebar-bottom{display:block}}.sidebar-brand{display:flex;align-items:center;padding:1.5rem 1rem;margin-bottom:1rem;cursor:pointer}.sidebar-logo{height:40px;width:auto}.sidebar-nav{display:flex;flex-direction:column;gap:.2rem;padding:0 .5rem}.sidebar-btn{display:flex;align-items:center;gap:1rem;background:transparent;border:none;color:#fff9;font-weight:700;font-size:1rem;padding:1.25rem 1rem;cursor:pointer;border-radius:4px;transition:all .1s ease;width:100%;text-align:left}.sidebar-btn:hover{background:#ffffff0d;color:#fff}.sidebar-btn.active{background:#ffffff14;color:#fff;border-right:4px solid var(--brand-yellow)}.nav-item-with-menu{position:relative}.hover-menu{position:absolute;left:100%;top:0;width:220px;background:#2b2b2b;border-radius:8px;box-shadow:15px 15px 40px #0009;display:none;flex-direction:column;gap:.25rem;z-index:2000;border:1px solid #3c3a34;margin-left:0;padding:.5rem .5rem .5rem .8rem}.hover-menu:before{content:"";position:absolute;left:-20px;top:0;width:20px;height:100%;background:transparent}.nav-item-with-menu:hover .hover-menu{display:flex}@media(max-width:768px){.hover-menu{left:0;top:auto;bottom:70px;width:100%;border-radius:8px 8px 0 0;margin-left:0;padding-left:.5rem}}.menu-item{display:flex;align-items:center;gap:.75rem;padding:.8rem 1rem;background:transparent;border:none;color:#fffc;font-weight:700;border-radius:4px;cursor:pointer;width:100%;text-align:left}.menu-item:hover{background:#ffffff0f;color:#fff}.sidebar-bottom{padding:.5rem;background:var(--bg-darker);border-top:1px solid rgba(255,255,255,.03)}.profile-compact{display:flex;align-items:center;gap:.75rem;padding:.75rem;cursor:pointer;border-radius:4px}.profile-compact:hover{background:#ffffff08}.avatar-small{width:36px;height:36px;background:#666;color:#fff;border-radius:4px;display:flex;align-items:center;justify-content:center;font-weight:800;overflow:hidden}.player-img-avatar{width:100%;height:100%;object-fit:cover}.profile-name{color:#fffc;font-weight:700;font-size:.95rem}.utility-icons{display:flex;justify-content:center;gap:.5rem;padding:.5rem 0}.util-btn{background:transparent;border:none;color:#fff6;cursor:pointer;padding:.6rem;border-radius:4px}.util-btn:hover{color:#fff;background:#ffffff0d}.app-content{flex:1;margin-left:var(--sidebar-w);display:flex;flex-direction:column;height:100vh;background-color:var(--bg-main);position:relative;overflow-y:auto;transition:margin-left .3s ease}@media(max-width:1000px){:root{--sidebar-w: 70px}}@media(max-width:768px){:root{--sidebar-w: 0px}.app-content{margin-left:0;padding-top:60px;padding-bottom:0}}.main-layout{display:flex;height:100%;width:100%;background:var(--bg-main);transition:all .3s ease;overflow:hidden}.main-layout.focus-mode{padding:0}.game-center{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:1rem;position:relative;background-color:#161512;overflow:hidden}.player-strip{width:100%;max-width:600px;display:flex;justify-content:space-between;align-items:center;padding:.5rem 0;margin:0}.player-meta{display:flex;align-items:center;gap:.75rem}.player-name-badges{display:flex;align-items:center;gap:.5rem}.player-name{font-weight:700;font-size:.95rem;color:#bababa}.rating-badge{background:#3c3a34;padding:.1rem .4rem;border-radius:2px;font-size:.75rem;color:#fff6;font-weight:700}.player-flag{font-size:.8rem;opacity:.8}.board-container-wrapper{display:flex;align-items:center;justify-content:center;width:100%;max-width:600px;position:relative;margin:.5rem 0}.board-sidebar-controls{display:flex;flex-direction:column;gap:1rem}.voice-controls-vertical{display:flex;flex-direction:column;gap:8px;margin-top:12px}.voice-start-btn{color:#4b86e0}.voice-start-btn:hover{background:#4b86e01a}.icon-btn.active{color:#81b64c;background:#81b64c1a}.icon-btn.muted{color:#fa412d;background:#fa412d1a}.voice-stop-btn{color:#fa412d}.voice-stop-btn:hover{background:#fa412d1a}.icon-btn{background:none;border:none;color:#fff3;cursor:pointer;padding:.5rem;transition:color .1s ease}.icon-btn:hover{color:#fff}.match-center-panel{width:360px;background:var(--bg-darker);border-left:1px solid rgba(255,255,255,.05);display:flex;flex-direction:column;transition:transform .3s ease}@media(max-width:1150px){.match-center-panel{width:300px}}@media(max-width:1000px){.match-center-panel{position:fixed;right:0;top:0;bottom:0;z-index:2000;transform:translate(100%);box-shadow:-10px 0 30px #00000080}.match-center-panel.open{transform:translate(0)}}.panel-tabs{display:flex;background:#0003}.tab{flex:1;border:none;background:none;color:#fff6;padding:1rem;font-weight:800;cursor:pointer;font-size:.9rem}.tab.active{color:#fff;border-bottom:3px solid var(--brand-yellow);background:#ffffff0d}.panel-content{flex:1;padding:1.5rem;display:flex;flex-direction:column;gap:2rem}.game-action-buttons{display:flex;gap:.75rem}.panel-footer{padding:1.5rem;border-top:1px solid rgba(255,255,255,.05)}.focus-layout-active{background-color:#12110f!important;padding:0;display:grid;grid-template-columns:140px 1fr 140px;height:100vh;width:100vw;position:fixed;top:0;left:0;z-index:5000;animation:fadeIn .4s ease-out}@media(max-width:900px){.focus-layout-active{grid-template-columns:80px 1fr 80px}}@media(max-width:768px){.focus-layout-active{grid-template-columns:1fr;grid-template-rows:auto 1fr auto;overflow-y:auto}.focus-sidebar-left{flex-direction:row;height:70px;width:100%;padding:0 1.5rem;border-right:none;border-bottom:1px solid rgba(255,255,255,.05)}.focus-sidebar-right{flex-direction:row;height:70px;width:100%;padding:0 1.5rem;border-left:none;border-top:1px solid rgba(255,255,255,.05)}.focus-avatar-box{flex-direction:row!important;gap:.5rem}.piece-stats-badge{padding:.2rem .4rem;min-width:60px}}.focus-sidebar-left{background:#0006;display:flex;flex-direction:column;justify-content:space-between;align-items:center;padding:4rem 0;border-right:1px solid rgba(255,255,255,.05)}.focus-sidebar-right{background:#0006;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:2.5rem;padding:4rem 0;border-left:1px solid rgba(255,255,255,.05)}.focus-avatar-box{display:flex;flex-direction:column;align-items:center;gap:1rem;width:100%}.piece-stats-badge{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);padding:.4rem .8rem;border-radius:4px;display:flex;flex-direction:column;align-items:center;gap:.2rem;font-size:.75rem;color:#ffffff80;min-width:80px}.piece-stats-badge .val{color:var(--brand-yellow);font-weight:800;font-size:.9rem}.avatar-med{width:56px;height:56px;background:#3c3a34;color:#fff;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:800;box-shadow:0 4px #0000004d}.focus-btn{background:#ffffff0d;border:none;color:#ffffff4d;width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease}.focus-btn:hover{background:#ffffff1a;color:#fff;transform:scale(1.1)}.focus-action-btn{background:#3c3a34;border:none;border-bottom:4px solid #2b2a24;color:#fff9;width:56px;height:56px;border-radius:8px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .1s ease}.focus-action-btn:hover{background:#4a4841;color:#fff}.focus-action-btn:active{transform:translateY(2px);border-bottom-width:2px}.focus-action-btn .fraction{font-size:1.6rem;font-weight:800}.txt-bold{font-weight:800;font-size:1.1rem}.focus-layout-active .game-center{background-color:transparent!important;padding:0;display:flex;flex-direction:column;justify-content:center;align-items:center;position:relative}.game-over-modal{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#000000e6;display:flex;align-items:center;justify-content:center;z-index:10000;animation:modalPop .3s cubic-bezier(.175,.885,.32,1.275)}@keyframes modalPop{0%{transform:scale(.8);opacity:0}to{transform:scale(1);opacity:1}}.modal-content{background:#262421;padding:3rem;border-radius:12px;text-align:center;box-shadow:0 20px 40px #0009;border:1px solid rgba(255,255,255,.1);max-width:450px;width:90%}.modal-icon{font-size:4rem;margin-bottom:1.5rem}.modal-content h1{font-size:2.5rem;margin-bottom:1rem;color:var(--brand-yellow);font-weight:900;text-transform:uppercase}.modal-content p{font-size:1.1rem;color:#fff9;margin-bottom:2rem}.elo-update-summary{background:#0003;padding:1rem;border-radius:8px;margin-bottom:2rem;border:1px solid rgba(255,255,255,.05)}.elo-update-summary .current-rating{font-size:1.1rem;color:#fff}.elo-update-summary .current-rating strong{color:var(--brand-yellow)}.modal-actions{display:flex;flex-direction:column;gap:1rem}.focus-layout-active .board-container-wrapper{max-width:80vh}.mobile-header{position:fixed;top:0;left:0;right:0;height:60px;background:#262421;display:flex;align-items:center;justify-content:space-between;padding:0 1rem;z-index:4000;border-bottom:1px solid rgba(255,255,255,.05)}.header-left,.header-right{display:flex;align-items:center;gap:.5rem}.mobile-logo{display:flex;align-items:center;gap:.4rem;margin-left:.5rem}.mobile-logo .sidebar-logo{height:32px;width:auto}.pawn-icon{font-size:1.8rem;color:#81b64c;line-height:1}.logo-text{font-weight:800;font-size:1.25rem;color:#fff}.inbox-btn{position:relative}.notification-badge{position:absolute;top:4px;right:4px;background:#fa4132;color:#fff;width:16px;height:16px;border-radius:50%;font-size:.65rem;font-weight:800;display:flex;align-items:center;justify-content:center;border:2px solid #262421}.sidebar-overlay{position:fixed;inset:0;background:#000000b3;z-index:8000;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);animation:fadeIn .2s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.sidebar-overlay.mobile-only{display:none}@media(max-width:768px){.sidebar-overlay.mobile-only{display:block}}.mobile-only,.mobile-only-btn{display:none!important}@media(max-width:1000px){.mobile-only,.mobile-only-btn{display:flex!important}}.panel-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#0009;z-index:1999}.panel-header{padding:1rem;display:flex;justify-content:flex-end;border-bottom:1px solid rgba(255,255,255,.05)}.close-panel-btn{background:none;border:none;color:#fff;cursor:pointer}.chess-card{background:var(--card-bg);border-radius:8px;box-shadow:0 8px #00000026;padding:1.5rem}.piece{width:85%;height:85%;border-radius:50%;box-shadow:0 4px 6px #0006;transition:all .2s ease-out;display:flex;align-items:center;justify-content:center;z-index:20}.piece-inner{display:none}.piece-p1{background-color:var(--player1-bg);border:2px solid var(--player1-border);box-shadow:inset 0 -4px 6px #00000026,0 4px 6px #0006}.piece-p2{background-color:var(--player2-bg);border:2px solid var(--player2-border);box-shadow:inset 0 -4px 6px #000c,0 4px 6px #0006}.piece:before{content:"";display:block;width:60%;height:60%;border-radius:50%;border:1px solid rgba(0,0,0,.1)}.piece-p2:before{border:1px solid rgba(255,255,255,.08)}.piece-active{transform:scale(1.15) translateY(-2px);box-shadow:inset 0 -4px 6px #0003,0 8px 12px #00000080,0 0 0 3px var(--brand-yellow);border-color:var(--brand-yellow);z-index:30}.piece-mill{background-color:var(--brand-yellow)!important;border-color:#d1a517!important;box-shadow:0 0 20px #f5c73680,inset 0 -4px 6px #0006,0 4px 6px #0009!important;z-index:25}.piece-mill:before{border:1px solid rgba(255,255,255,.4)!important}.pulse-anim{animation:none}.board-outer-container{flex:0 1 auto;width:100%;max-width:600px;width:min(90vw,600px);aspect-ratio:1 / 1;padding:min(1.5rem,4vw);background-color:#2b2926;border-radius:4px;box-shadow:0 4px #0009;transition:all .2s ease;display:flex;align-items:center;justify-content:center}.board-container{position:relative;width:100%;height:100%;background-color:#262421;box-shadow:inset 0 0 40px #0000004d;box-sizing:border-box;overflow:visible;-webkit-user-select:none;user-select:none;cursor:default}.board-lines{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;overflow:visible}.mill-glow-line{filter:drop-shadow(0 0 6px rgba(245,199,54,.9))}.board-node{position:absolute;width:8%;height:8%;transform:translate(-50%,-50%);border-radius:50%;background-color:transparent;cursor:pointer;z-index:10;display:flex;justify-content:center;align-items:center;transition:all .2s ease}.empty-node{background-color:#ffffff08}.empty-node:hover{background-color:#ffffff14}.empty-node:after{content:"";width:6px;height:6px;background-color:#fff3;border-radius:50%;transition:all .2s ease}.empty-node:hover:after{background-color:#fff6;transform:scale(1.2)}.node-label{position:absolute;top:-12px;left:-12px;font-size:.65rem;font-weight:700;color:#ffffff40;pointer-events:none;transition:all .2s ease;font-family:Inter,system-ui,sans-serif}.board-node:hover .node-label{color:#ffffffb3;transform:translateY(-2px)}.board-node:before{content:"";position:absolute;width:150%;height:150%;border-radius:50%;background:transparent;z-index:5}.move-target-dot{width:35%;height:35%;border-radius:50%;background-color:#0006;z-index:15;pointer-events:none}.valid-move-indicator:hover .move-target-dot{width:45%;height:45%;transition:all .1s ease}.board-node.valid-move-indicator.occupied-node:after{content:"";position:absolute;width:110%;height:110%;border-radius:50%;border:4px solid var(--highlight-yellow);z-index:15;pointer-events:none}.board-node.removal-target:after{content:"";position:absolute;width:110%;height:110%;border-radius:50%;border:4px solid #ef4444;box-shadow:0 0 10px #ef444499;z-index:15;pointer-events:none;animation:pulseGlow 1.5s infinite alternate ease-in-out}.status-panel-minimal{display:flex;flex-direction:column;gap:1.5rem;color:#fff}.phase-badge{background:var(--brand-yellow);color:#000;display:inline-block;padding:.25rem .75rem;border-radius:4px;font-weight:800;font-size:.75rem;text-transform:uppercase;letter-spacing:.5px;margin-bottom:1rem}.instruction-box{background:#ffffff0d;padding:1.25rem;border-radius:8px;font-size:.95rem;line-height:1.5;display:flex;gap:.75rem;border-left:4px solid var(--brand-yellow)}.instruction-icon{font-size:1.2rem}.winner-banner{background:var(--brand-yellow);color:#000;padding:1.5rem;border-radius:8px;font-size:1.25rem;font-weight:900;text-align:center;box-shadow:0 4px 15px #f5c7364d}.compact-stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.stat-item{background:#0003;padding:1rem;border-radius:6px;display:flex;flex-direction:column;align-items:center;gap:.25rem}.stat-item .label{font-size:.75rem;color:#fff6;font-weight:700;text-transform:uppercase}.stat-item .value{font-weight:800;font-size:1.1rem;color:var(--brand-yellow)}.pulse-anim{animation:pulse 2s infinite}.moves-panel{flex:1;display:flex;flex-direction:column}.moves-title{font-size:.9rem;font-weight:800;color:#fff6;text-transform:uppercase;margin-bottom:1rem}.moves-list{display:flex;flex-direction:column;gap:.5rem;max-height:50vh;overflow-y:auto;padding-right:.5rem}.moves-list::-webkit-scrollbar{width:4px}.moves-list::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:4px}.move-item{display:flex;gap:.75rem;padding:.6rem;background:#ffffff08;border-radius:4px;font-family:Courier New,Courier,monospace;font-size:.9rem}.move-num{color:var(--brand-yellow);font-weight:700;width:20px}.no-moves{color:#fff3;font-style:italic;text-align:center;margin-top:2rem}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.02)}to{transform:scale(1)}}.learn-container{display:flex;flex-direction:column;gap:2rem;width:100%;max-width:1200px;margin:0 auto;padding:2rem 2rem 4rem}.learn-header{text-align:center;margin-bottom:2rem}.learn-header h1{font-size:2.5rem;font-weight:800;color:var(--brand-yellow);text-transform:uppercase;letter-spacing:2px;margin-bottom:1rem}.learn-header p{font-size:1.1rem;color:var(--text-muted);max-width:600px;margin:0 auto;line-height:1.6}.lessons-grid{display:grid;grid-template-columns:1fr;gap:1.5rem}@media(min-width:768px){.lessons-grid{grid-template-columns:repeat(2,1fr)}}@media(min-width:1024px){.lessons-grid{grid-template-columns:repeat(3,1fr)}}.lesson-card{background-color:var(--panel-bg);border:1px solid var(--panel-border);box-shadow:var(--panel-shadow);border-radius:12px;padding:2rem;display:flex;flex-direction:column;justify-content:space-between;cursor:pointer;transition:all .2s ease;position:relative;overflow:hidden}.lesson-card:hover{transform:translateY(-4px);border-color:#f5c7364d;box-shadow:0 8px 24px #0009}.lesson-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--brand-yellow);opacity:0;transition:opacity .2s ease}.lesson-card:hover:before{opacity:1}.lesson-card-content h2{font-size:1.25rem;color:var(--text-main);margin-bottom:1rem}.lesson-card-content p{color:var(--text-muted);font-size:.95rem;line-height:1.5;margin-bottom:2rem}.start-lesson-btn{background:transparent;color:var(--brand-yellow);border:1px solid var(--brand-yellow);padding:.75rem 1.5rem;border-radius:6px;font-weight:700;font-family:Montserrat,sans-serif;cursor:pointer;width:100%;transition:all .2s ease}.lesson-card:hover .start-lesson-btn{background:var(--brand-yellow);color:var(--bg-dark)}.interactive-lesson-layout{display:flex;flex-direction:column;width:100%;max-width:1200px;margin:0 auto;padding:2rem 2rem 5rem;gap:1.5rem;min-height:100vh;box-sizing:border-box}@media(min-width:900px){.interactive-lesson-layout{flex-direction:row;align-items:stretch}}.lesson-left-col{flex:1;display:flex;justify-content:center;align-items:center;background:var(--bg-dark);border-radius:4px;overflow:hidden}.full-size-board{width:100%;max-width:min(650px,75vh);height:auto;aspect-ratio:1 / 1;background:transparent;padding:0;border:none;box-shadow:none}.full-size-board .board-outer-container{width:100%;height:100%;max-width:none}.lesson-right-col{width:100%;background-color:#262421;border-radius:8px;display:flex;flex-direction:column;box-shadow:0 4px 12px #0006;overflow:hidden}@media(max-width:900px){.selection-view .lesson-left-col{display:none}}@media(min-width:900px){.lesson-right-col{width:380px;height:min(650px,75vh);flex-shrink:0}}.lesson-panel-header{display:flex;align-items:center;padding:1rem;background-color:#00000026;border-bottom:1px solid 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svg{width:18px;height:18px}.sound-toggle-btn.muted{color:#ef4444}.lesson-panel-body{flex:1;padding:1.5rem;display:flex;flex-direction:column;justify-content:flex-start;position:relative;overflow-y:auto;background:linear-gradient(135deg,#262421 25%,#2a2825 25% 50%,#262421 50% 75%,#2a2825 75% 100%);background-size:40px 40px}.lesson-panel-body::-webkit-scrollbar{width:10px}.lesson-panel-body::-webkit-scrollbar-track{background:#0000001a}.lesson-panel-body::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:5px;border:2px solid #262421}.lesson-panel-body::-webkit-scrollbar-thumb:hover{background:#ffffff26}.coach-section{display:flex;gap:1rem;align-items:flex-start;z-index:2}.coach-avatar{width:60px;height:60px;flex-shrink:0;border-radius:4px;overflow:hidden;background:#3b3936}.avatar-img{width:100%;height:100%;object-fit:cover;transform:scale(1.1)}.coach-bubble-wrapper{position:relative;flex:1}.coach-bubble-wrapper:before{content:"";position:absolute;left:-8px;top:20px;border-top:8px solid transparent;border-bottom:8px solid transparent;border-right:8px solid #ffffff}.coach-bubble{background:#fff;color:#333;padding:1rem;border-radius:8px;font-size:.95rem;font-weight:500;line-height:1.4;box-shadow:0 4px 6px #0000001a}.coach-bubble p{margin:0}.success-text{margin-top:.5rem!important;color:var(--brand-yellow)!important;font-weight:700}.lesson-panel-footer{padding:1rem 1.5rem;background-color:#0003;border-top:1px solid rgba(255,255,255,.05);display:flex;flex-direction:column;gap:1rem}.footer-title 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.roadmap-meta{color:var(--bg-dark)}.difficulty-badge{padding:.2rem .6rem;border-radius:4px;font-size:.75rem;font-weight:800;text-transform:uppercase;background:#ffffff1a;color:#fff}.difficulty-badge.easy{background:#4caf50}.difficulty-badge.medium{background:#ff9800}.difficulty-badge.hard{background:#f44336}.difficulty-text-easy{color:#4caf50}.difficulty-text-medium{color:#ff9800}.difficulty-text-hard{color:#f44336}.roadmap-item.locked .roadmap-label{color:#fff3}.auth-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000000e0;display:flex;align-items:center;justify-content:center;z-index:2000}.auth-card{width:100%;max-width:440px;padding:2.5rem;border-radius:8px;background:#2b2926;box-shadow:0 10px #0003;animation:slideUp .3s ease-out}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.auth-header{text-align:center;margin-bottom:2rem}.auth-header 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ease}.auth-submit-btn:hover{background:var(--brand-yellow-hover)}.auth-submit-btn:active{transform:translateY(2px);border-bottom-width:3px}.auth-footer{margin-top:1.5rem;text-align:center;color:#ffffff80;font-size:.95rem}.auth-toggle-btn{background:none;border:none;color:#fff;font-weight:800;cursor:pointer;margin-left:.5rem;padding:0;text-decoration:underline;text-underline-offset:4px}.auth-toggle-btn:hover{color:var(--brand-yellow)}.glass-morphism{background:#2b2926;border-radius:8px;box-shadow:0 8px #0000001a}.play-online-container{padding:1rem;max-width:1100px;margin:0 auto;color:#fff}@media(min-width:769px){.play-online-container{padding:2.5rem}}.play-online-header{margin-bottom:2rem;text-align:center}@media(max-width:600px){.play-online-header h1{font-size:1.75rem}.play-online-header p{font-size:.9rem}}.play-online-header h1{font-size:2.5rem;font-weight:800;margin-bottom:.5rem}.play-online-header p{color:#ffffff80;font-size:1.1rem}.list-header{margin-bottom:1.5rem;display:flex;justify-content:space-between;align-items:center}.list-header h2{font-size:1.5rem;font-weight:800}@media(max-width:600px){.list-header h2{font-size:1.25rem}}.players-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.5rem}@media(max-width:400px){.players-grid{grid-template-columns:1fr;gap:1rem}}.player-challenge-card{display:flex;align-items:center;justify-content:space-between;padding:1rem;transition:transform .1s ease;flex-wrap:wrap;gap:1rem}@media(max-width:450px){.player-challenge-card{flex-direction:column;align-items:stretch}.challenge-btn{width:100%}}.player-info{display:flex;align-items:center;gap:1rem}.player-avatar{width:48px;height:48px;background:#3c3a34;color:#fff;border-radius:4px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.25rem;position:relative;border-bottom:3px solid #1a1917}.status-dot{position:absolute;bottom:-2px;right:-2px;width:12px;height:12px;border-radius:50%;border:2px solid #2b2926}.status-dot.available{background:var(--chess-green)}.status-dot.in_game{background:#fa4132}.player-details{display:flex;flex-direction:column}.player-name{font-weight:800;font-size:1.1rem}.player-elo{font-size:.9rem;color:var(--brand-yellow);font-weight:700}.player-status{font-size:.85rem;color:#fff6;font-weight:700;text-transform:uppercase;letter-spacing:.5px}.challenge-btn{padding:.8rem 1.25rem!important;font-size:1rem!important;border-radius:4px!important}.challenge-btn:disabled{opacity:.5;cursor:not-allowed;filter:grayscale(1)}.empty-state{grid-column:1 / -1;text-align:center;padding:4rem;display:flex;flex-direction:column;align-items:center;gap:1rem;background:#0000001a;border:2px dashed rgba(255,255,255,.05)!important;box-shadow:none!important}.empty-state p{font-size:1.25rem;font-weight:800;margin:0}.empty-state .subtitle{color:#fff6;font-weight:700}.challenge-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000000d9;display:flex;justify-content:center;align-items:center;z-index:10000}.challenge-card{text-align:center;display:flex;flex-direction:column;align-items:center;gap:1.5rem;border-radius:12px!important}.challenge-icon-ring{width:80px;height:80px;background:#f5c7361a;border-radius:50%;display:flex;align-items:center;justify-content:center;border:4px solid var(--brand-yellow)}.challenge-sword-icon{color:var(--brand-yellow)}.challenge-content h2{font-size:2rem;font-weight:800;margin-bottom:.5rem}.challenge-content p{color:#fff9;font-size:1.1rem}.challenger-name{color:#fff;font-weight:800}.challenge-actions{display:flex;gap:1rem;width:100%}.challenge-actions 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#0003}.card-preview{padding:1.5rem;background:#00000026}.card-footer{padding:1.25rem;background:#21201d;color:#fff;font-weight:800;font-size:1.25rem;text-align:center}.square-card:hover .card-footer{color:var(--brand-yellow)}@media(max-width:800px){.dashboard-header{flex-direction:column;align-items:flex-start;gap:2rem}}.match-timer{background:#3c3a34;color:#ffffffb3;padding:.5rem .85rem;border-radius:4px;display:flex;align-items:center;gap:.5rem;font-family:Montserrat,sans-serif;font-weight:800;font-size:1.1rem;border-bottom:3px solid rgba(0,0,0,.2);transition:all .2s ease;min-width:90px}.match-timer.active{background:#fff;color:#000;border-bottom-color:#d1d1d1}.match-timer.low{background:#fa4132;color:#fff;border-bottom-color:#b32a1e}.match-timer.low.active{animation:pulse-red 1s infinite}@keyframes pulse-red{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1)}}.time-display{letter-spacing:.5px}.setup-padding{padding:1.5rem 1.5rem 10rem!important;display:flex;flex-direction:column;gap:2rem}.setup-section-plain{display:flex;flex-direction:column;gap:.75rem}.section-label-simple{font-size:.85rem;font-weight:800;color:#fff6;text-transform:uppercase;letter-spacing:1px}.custom-dropdown-container{position:relative;width:100%}.dropdown-trigger{width:100%;background:#1e1d1a;border:1px solid rgba(255,255,255,.05);border-radius:8px;padding:.75rem 1rem;display:flex;align-items:center;justify-content:space-between;cursor:pointer;color:#fff;transition:all .2s}.dropdown-trigger:hover{border-color:#ffffff26;background:#262421}.selected-info{display:flex;align-items:center;gap:1rem}.icon-wrapper{width:36px;height:36px;border-radius:6px;display:flex;align-items:center;justify-content:center;background:#ffffff0d}.icon-wrapper.bullet{color:#f59e0b;background:#f59e0b1a}.icon-wrapper.blitz{color:#ef4444;background:#ef44441a}.icon-wrapper.rapid{color:#10b981;background:#10b9811a}.icon-wrapper.classical{color:#3b82f6;background:#3b82f61a}.text-info{display:flex;flex-direction:column;align-items:flex-start}.text-info .val{font-weight:800;font-size:1.1rem}.text-info .type{font-size:.75rem;font-weight:700;opacity:.5;text-transform:uppercase}.chevron{transition:transform .2s;opacity:.4}.chevron.open{transform:rotate(180deg)}.dropdown-menu{position:absolute;top:calc(100% + 4px);left:0;right:0;background:#2b2a24;border:1px solid rgba(255,255,255,.1);border-radius:8px;box-shadow:0 10px 30px #00000080;z-index:1000;padding:.5rem;display:flex;flex-direction:column;gap:.25rem}.dropdown-item{width:100%;background:transparent;border:none;border-radius:6px;padding:.6rem .75rem;display:flex;align-items:center;gap:1rem;cursor:pointer;color:#fff;transition:all .2s}.dropdown-item:hover{background:#ffffff0d}.dropdown-item.active{background:#f5c7361a;border:1px solid rgba(245,199,54,.2)}.players-stack{display:flex;flex-direction:column;gap:1rem}.player-input-box{background:#1e1d1a;border:1px solid rgba(255,255,255,.05);border-radius:6px;padding:.75rem 1rem;display:flex;align-items:center;gap:.75rem}.player-input-box input{background:transparent;border:none;color:#fff;font-family:inherit;font-weight:700;width:100%;font-size:1rem}.player-input-box input:focus{outline:none}.input-icon{color:#ffffff4d}@media(max-width:1000px){.bot-selection-left{display:none!important}.bot-selection-right{width:100%!important;min-width:100%!important;border-left:none!important}}.bot-selection-view{height:100%;width:100%;display:flex;background:#161512}.bot-selection-layout{display:flex;width:100%;height:100%}.bot-selection-left{flex:1;display:flex;align-items:center;justify-content:center;background:#161512;padding:2rem}@media(max-width:1000px){.bot-selection-left{display:none}}.selection-board-wrapper{width:100%;max-width:600px;aspect-ratio:1;background:#262421;border-radius:8px;padding:2rem;box-shadow:0 10px 30px #00000080}.bot-selection-right{width:400px;min-width:400px;background:#262421;display:flex;flex-direction:column;border-left:1px solid rgba(255,255,255,.05)}.bot-selection-header{padding:1.5rem;border-bottom:1px solid rgba(255,255,255,.05)}@media(max-width:600px){.bot-selection-header{padding:1rem}.bot-selection-header h1{font-size:1.25rem}}.back-link{background:none;border:none;color:#ffffff80;display:flex;align-items:center;gap:.5rem;font-weight:700;cursor:pointer;margin-bottom:.5rem;padding:0}.back-link:hover{color:#fff}.bot-selection-header h1{font-size:1.5rem;font-weight:800;margin:0;color:#fff}.selected-bot-hero{padding:1.5rem;background:#0000004d;display:flex;gap:1.25rem;border-bottom:1px solid rgba(255,255,255,.05)}@media(max-width:600px){.selected-bot-hero{padding:1rem;flex-direction:column;align-items:center;text-align:center}.hero-avatar{width:80px;height:80px}.hero-name-row{justify-content:center}}.hero-avatar{width:100px;height:100px;background:#3c3a34;border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:2.5rem;font-weight:800;color:#fff;border-bottom:4px solid #1a1917;overflow:hidden}.hero-avatar img{width:100%;height:100%;object-fit:cover}.hero-details{flex:1}.hero-name-row{display:flex;align-items:center;gap:.5rem;margin-bottom:.75rem}.hero-name{font-size:1.5rem;font-weight:800;color:#fff}.hero-rating{color:#fff6;font-weight:700;font-size:1.1rem}.hero-quote-box{display:flex;gap:.5rem;background:#ffffff0d;padding:.75rem;border-radius:4px}.quote-icon{color:var(--brand-yellow);flex-shrink:0;margin-top:2px}.hero-quote-box p{margin:0;font-size:.95rem;font-style:italic;color:#bababa;line-height:1.4}.selection-scroll-area{flex:1;overflow-y:auto;padding:1rem 1.5rem}@media(max-width:1000px){.selection-scroll-area{max-height:400px}}.category-section{margin-bottom:.5rem;border-radius:8px;transition:all .2s ease}.category-section.is-expanded{background:#0003;margin-bottom:1rem}.category-header-btn{width:100%;display:flex;align-items:center;justify-content:space-between;padding:1rem;background:#ffffff08;border:none;cursor:pointer;transition:background .2s ease;color:#fff}.category-header-btn:hover{background:#ffffff14}.cat-header-left{display:flex;align-items:center;gap:1rem}.cat-icon-avatar{width:40px;height:40px;border-radius:4px;overflow:hidden;background:#3c3a34}.cat-icon-avatar img{width:100%;height:100%;object-fit:cover}.cat-name{font-size:1.1rem;font-weight:800}.cat-header-right{display:flex;align-items:center;gap:.75rem;color:#ffffff80}.cat-count{font-size:.9rem;font-weight:600}.bots-grid-compact{display:grid;grid-template-columns:repeat(auto-fill,minmax(64px,1fr));gap:.75rem;padding:1rem}.bot-item-wrapper{position:relative;display:flex;justify-content:center}.bot-tooltip{position:absolute;bottom:110%;left:50%;transform:translate(-50%);background:#000;color:#fff;padding:.4rem .8rem;border-radius:4px;font-size:.85rem;font-weight:700;white-space:nowrap;z-index:100;box-shadow:0 4px 12px #00000080;display:flex;align-items:center;gap:.5rem;pointer-events:none}.bot-tooltip:after{content:"";position:absolute;top:100%;left:50%;transform:translate(-50%);border-width:5px;border-style:solid;border-color:#000 transparent transparent transparent}.bot-tooltip .flag{font-size:1rem}.bot-mini-card{width:64px;height:64px;aspect-ratio:1;background:#312e2b;border:3px solid transparent;border-radius:8px;padding:0;cursor:pointer;position:relative;overflow:hidden;transition:transform .1s ease}.bot-mini-card:hover{transform:scale(1.05)}.bot-mini-card.active{border-color:var(--brand-yellow);box-shadow:0 0 0 2px #ffd40033}.bot-mini-avatar{width:100%;height:100%}.bot-mini-avatar img{width:100%;height:100%;object-fit:cover}.selection-indicator{position:absolute;bottom:0;left:0;right:0;height:4px;background:var(--brand-yellow)}.selection-footer{padding:1.5rem;border-top:1px solid rgba(255,255,255,.05);background:#262421}.btn-large{padding:1.25rem!important;font-size:1.25rem!important;font-weight:900!important;text-transform:uppercase}.full-w{width:100%}.lab-overlay{position:fixed;inset:0;background:#000000d9;display:flex;align-items:center;justify-content:center;z-index:1000;padding:2rem;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.lab-modal{width:100%;max-width:500px;background:#262421;border-radius:12px;border:1px solid rgba(255,255,255,.1);box-shadow:0 20px 50px #00000080;overflow:hidden;animation:modalScale .3s cubic-bezier(.34,1.56,.64,1)}@keyframes modalScale{0%{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}}.lab-modal-header{padding:1.5rem;background:#ffffff08;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.05)}.lab-modal-header h2{margin:0;font-size:1.25rem;color:var(--brand-yellow)}.close-lab-btn{background:none;border:none;color:#ffffff80;font-size:2rem;line-height:1;cursor:pointer;padding:0}.close-lab-btn:hover{color:#fff}.bot-intelligence-lab-content{padding:2rem}.lab-stats-summary{display:flex;gap:1rem;margin-bottom:2rem}.stat-pill{flex:1;background:#0000004d;padding:1rem;border-radius:8px;display:flex;flex-direction:column;align-items:center;gap:.25rem;border:1px solid rgba(255,255,255,.05)}.stat-pill .label{font-size:.75rem;color:#fff6;font-weight:700;text-transform:uppercase}.stat-pill .value{font-size:1.5rem;font-weight:900;color:#fff}.weights-grid{display:flex;flex-direction:column;gap:1.25rem;margin-bottom:2.5rem}.weight-bar-item{display:flex;flex-direction:column;gap:.6rem}.weight-info{display:flex;justify-content:space-between;font-size:.9rem;font-weight:700;color:#fffc}.bar-bg{height:6px;background:#ffffff0d;border-radius:3px;overflow:hidden}.bar-fill{height:100%;background:var(--brand-yellow);box-shadow:0 0 10px #ffd4004d;transition:width .8s ease-in-out}.lab-actions{border-top:1px solid rgba(255,255,255,.05);padding-top:1.5rem}.lab-help-text{font-size:.85rem;color:#fff6;line-height:1.5;margin-bottom:1.5rem;text-align:center}.reset-intelligence-btn{width:100%;background:#ff4d4d1a;border:1px solid rgba(255,77,77,.2);color:#ff4d4d;padding:1rem;border-radius:6px;font-size:.9rem;font-weight:800;cursor:pointer;transition:all .2s;text-transform:uppercase}.reset-intelligence-btn:hover{background:#ff4d4d33;border-color:#ff4d4d;transform:translateY(-2px)}.bot-settings-btn{background:#ffffff0d;border:none;color:#ffffff80;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s;margin-left:.5rem}.bot-settings-btn:hover{background:#ffffff1a;color:#fff;transform:rotate(45deg)}.lab-loading{padding:3rem;text-align:center;color:#fff6;font-style:italic;font-weight:600;animation:pulse 1.5s infinite ease-in-out}@keyframes pulse{0%{opacity:.4}50%{opacity:.8}to{opacity:.4}}.selection-scroll-area::-webkit-scrollbar{width:6px}.selection-scroll-area::-webkit-scrollbar-track{background:transparent}.selection-scroll-area::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:3px}.selection-scroll-area::-webkit-scrollbar-thumb:hover{background:#fff3}