:root{font-family:DM Sans,sans-serif;color:#e9efe8;background:#0c0f0e;font-synthesis:none;-webkit-font-smoothing:antialiased;--bg:#0c0f0e;--side:#0e1210;--panel:#151a17;--panel2:#191f1b;--muted:#899489;--line:#28302a;--soft:#1f2621;--lime:#baf08a;--bright:#d8f5bc;--display:"Space Grotesk",sans-serif}*{box-sizing:border-box}body{margin:0;min-width:320px}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{opacity:.36;cursor:not-allowed}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--lime);outline-offset:3px}::selection{background:#baf08a;color:#111}.app-shell{display:flex;min-height:100vh;background:radial-gradient(ellipse at 70% 0%,#151c16 0%,#0d100f 39%,var(--bg) 74%)}.sidebar{width:267px;min-width:267px;background:#0d120ff7;border-right:1px solid #252c25;padding:27px 17px 18px;display:flex;flex-direction:column;min-height:100vh;position:sticky;top:0;height:100vh;z-index:20}.brand{display:flex;align-items:center;gap:10px;padding:2px 9px 0}.brand-mark{width:43px;height:43px;background:var(--lime);border-radius:11px;color:#132015;font-family:Georgia,serif;font-size:39px;line-height:44px;text-align:center;transform:rotate(-4deg);flex-shrink:0}.brand-copy{display:flex;flex-direction:column;gap:5px;font-family:var(--display)}.brand-copy>span{font-size:17px;font-weight:700;letter-spacing:-.9px}.brand-copy small{font-size:9px;color:#71816e;font-weight:700;letter-spacing:1.42px}.brand-copy small span{color:#baf08a;padding:0 2px}.nav-group-label{font-size:10px;color:#667468;letter-spacing:1.4px;font-weight:800;margin:47px 15px 16px}.nav-list{display:flex;flex-direction:column;gap:6px}.nav-item{border:0;background:transparent;color:#9da89f;display:flex;align-items:center;gap:13px;width:100%;text-align:left;padding:13px 15px;border-radius:9px;font-size:13px;font-weight:600;position:relative;transition:background .15s,color .15s}.nav-item:hover,.nav-item.secondary:hover{color:#ecf6e9;background:#222922}.nav-item.active{background:#293429;color:var(--lime)}.nav-item.active svg{stroke-width:2.3}.active-pin{position:absolute;right:11px;width:5px;height:5px;border-radius:50%;background:var(--lime)}.sidebar-rule{border-top:1px solid var(--line);margin:26px 12px -25px}.nav-item.secondary{padding:11px 15px}.sidebar-spacer{flex:1;min-height:30px}.sidebar-card{background:linear-gradient(145deg,#253427,#19221b);border:1px solid #364938;padding:19px 17px;border-radius:13px;position:relative;overflow:hidden}.sidebar-card:after{content:"♜";position:absolute;font-size:110px;right:-13px;top:28px;color:#3d4b3d;opacity:.26;transform:rotate(-13deg)}.sidebar-card-icon{background:#41563f;color:var(--lime);width:34px;height:34px;display:grid;place-items:center;border-radius:8px;margin-bottom:17px}.sidebar-card strong{position:relative;z-index:1;display:block;font:700 15px var(--display);letter-spacing:-.4px}.sidebar-card p{position:relative;z-index:1;line-height:1.55;color:#b1bdb2;font-size:12px;margin:9px 0 17px;max-width:182px}.sidebar-card button{position:relative;z-index:1;border:0;background:none;color:var(--lime);display:flex;gap:9px;align-items:center;font-size:12px;font-weight:700;padding:0}.sidebar-footer{display:flex;align-items:center;gap:11px;margin:23px 4px 1px;padding:18px 7px 2px;border-top:1px solid var(--line)}.footer-avatar{height:36px;width:36px;border-radius:10px;background:#293a2d;color:var(--lime);display:grid;place-items:center;font:bold 16px var(--display)}.sidebar-footer>div:nth-child(2){flex:1}.sidebar-footer strong{font-size:12px;display:block}.sidebar-footer small{font-size:10px;color:#748276;display:block;margin-top:4px}.sidebar-footer>svg{color:#758275}.main-area{flex:1;min-width:0}.topbar{height:78px;padding:0 52px;border-bottom:1px solid #262d27;display:flex;align-items:center;justify-content:space-between}.breadcrumbs{display:flex;align-items:center;gap:13px;font-size:12px}.breadcrumbs>span{font-weight:800;color:#667367;letter-spacing:1.25px;font-size:10px}.breadcrumbs>svg{color:#566259}.breadcrumbs strong{font-weight:650;color:#cad5c9}.topbar-right{display:flex;align-items:center;gap:18px}.engine-badge{display:inline-flex;gap:9px;align-items:center;border:1px solid #2c3b2a;border-radius:30px;background:#172119;padding:8px 12px;font-size:11px;color:#9ed98e;font-weight:700}.engine-badge i,.live-dot{width:7px;height:7px;background:var(--lime);border-radius:50%;display:inline-block;box-shadow:0 0 9px #baf08a80;flex-shrink:0}.engine-loading{color:#e0c68c;background:#28251d;border-color:#383223}.engine-loading i{background:#edc478}.engine-error{color:#eb9d97;border-color:#5a302e;background:#2b1c1b}.engine-error i{background:#e88f8f}.avatar{width:32px;height:32px;background:#bfe59b;color:#203321;border-radius:50%;display:grid;place-items:center;font:bold 13px var(--display)}.mobile-menu{display:none!important}.page-body{max-width:1590px;margin:0 auto;padding:37px 52px 22px;min-height:calc(100vh - 78px)}.hero-panel{display:grid;grid-template-columns:1.16fr .84fr;min-height:372px;border:1px solid #3c4e33;border-radius:17px;background:linear-gradient(110deg,#203326,#223629 45%,#18241c);overflow:hidden;position:relative}.hero-panel:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at 63% 110%,#476545 0%,transparent 37%),radial-gradient(circle at 0 0,#364b30 0%,transparent 38%);opacity:.5;pointer-events:none}.hero-copy{padding:41px 0 30px 45px;position:relative;z-index:2}.hero-chip{border:1px solid #56714d;display:inline-flex;align-items:center;gap:9px;border-radius:30px;color:#c6e9b9;font-size:10px;font-weight:800;letter-spacing:1px;padding:9px 12px;background:#324734}.hero-panel h1{font:700 clamp(40px,4vw,62px)/1.04 var(--display);letter-spacing:-3px;margin:26px 0 14px}.hero-panel h1 em{font-style:normal;color:var(--lime)}.hero-copy>p{color:#c0d3bb;font-size:13px;line-height:1.8;max-width:480px;margin:0 0 25px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px}.btn{border:none;border-radius:9px;padding:13px 17px;font-weight:800;font-size:12px;display:inline-flex;align-items:center;justify-content:center;gap:11px;white-space:nowrap;transition:transform .15s,background .15s}.btn:hover:not(:disabled){transform:translateY(-2px)}.btn-primary{color:#162417;background:var(--lime);box-shadow:0 4px 24px #a5dd7d1c}.btn-primary:hover{background:#d0faaa}.btn-outline{background:transparent;border:1px solid #4c674d;color:#dbedcf}.btn-outline:hover{background:#263b2b}.wide{width:100%}.hero-bottom{display:flex;gap:22px;margin-top:35px;color:#a6c19c;font-size:11px;font-weight:650}.hero-bottom span{display:flex;align-items:center;gap:7px}.hero-bottom svg{color:#bff198}.hero-art{position:relative;min-width:0;overflow:hidden}.hero-ring{position:absolute;border:1px solid #5b8159;border-radius:50%;left:50%;top:50%;transform:translate(-50%,-50%) rotate(-21deg);opacity:.65}.ring-one{width:266px;height:266px}.ring-two{width:352px;height:352px;opacity:.4}.ring-three{width:446px;height:446px;opacity:.2}.hero-art:before{content:"";position:absolute;width:1px;height:100%;left:50%;top:0;background:#4a6c4b;opacity:.4}.hero-art:after{content:"";position:absolute;width:100%;height:1px;left:0;top:50%;background:#4a6c4b;opacity:.4}.hero-knight{font-family:Georgia,serif;line-height:1;font-size:clamp(220px,23vw,340px);color:#c6e6af;position:absolute;left:48%;top:43%;transform:translate(-50%,-50%) rotate(-12deg);text-shadow:16px 18px 2px #102318,23px 26px 33px #070e0b88;z-index:2;filter:drop-shadow(6px 13px 4px #0005)}.hero-art-note{position:absolute;color:#88af82;z-index:3;letter-spacing:1.8px;font-size:9px;font-weight:800}.note-top{right:23px;top:20px}.note-bottom{left:17px;bottom:19px;transform:rotate(-90deg);transform-origin:left bottom}.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:22px}.stat-card{background:#161c18;border:1px solid #29322b;border-radius:12px;padding:20px 24px;min-height:143px}.stat-top{display:flex;justify-content:space-between;color:#8b998c;font-size:10px;font-weight:800;letter-spacing:1px}.stat-top svg{color:#728775}.stat-value{font:700 37px var(--display);margin:19px 0 4px;letter-spacing:-2px}.stat-value span{font:700 14px var(--display);margin-left:5px;color:var(--lime);letter-spacing:0}.stat-foot{font-size:11px;color:#7f8d81}.area-header{display:flex;align-items:end;justify-content:space-between;margin:47px 0 21px}.eyebrow{font-size:10px;font-weight:800;color:var(--lime);letter-spacing:1.7px}.area-header h2{font:700 26px var(--display);letter-spacing:-1px;margin:10px 0 7px}.area-header p{color:#879586;font-size:12px;margin:0}.text-link{border:0;background:none;display:flex;align-items:center;gap:8px;color:var(--lime);font-weight:800;font-size:12px;padding:8px}.text-link:hover{color:#d9f7c5}.opening-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.opening-card{min-width:0;text-align:left;padding:20px;border:1px solid #303b32;border-radius:12px;background:#171e19;color:#e5ece2;position:relative;transition:transform .17s,border-color .17s,background .17s;overflow:hidden}.opening-card:hover{border-color:#5b7951;background:#1e2920;transform:translateY(-4px)}.opening-card-top{display:flex;align-items:start;justify-content:space-between}.opening-icon{width:44px;height:44px;border-radius:11px;display:grid;place-items:center;font:38px Georgia,serif;color:var(--accent);background:color-mix(in srgb,var(--accent) 14%,transparent);line-height:1}.opening-eco{color:#8b9b89;background:#263028;border:1px solid #303b33;font:800 10px var(--display);letter-spacing:.4px;border-radius:5px;padding:5px 7px}.opening-card-name{font:700 17px var(--display);margin:21px 0 4px;letter-spacing:-.6px}.opening-english{font-size:11px;color:#809181}.card-moves{display:flex;gap:4px;margin:18px 0;overflow:hidden;white-space:nowrap}.card-moves span{font:600 10px var(--display);color:#b9c6b6;background:#262e28;border-radius:4px;padding:5px}.opening-card-bottom{border-top:1px solid #303a32;padding-top:15px;display:flex;align-items:center;gap:13px}.opening-card-bottom>span:first-child{color:#97a89a;font-size:10px;font-weight:700}.pips{display:flex;gap:4px;flex:1}.pips span{width:5px;height:5px;border-radius:50%;background:#4d594e}.pips span.filled{background:#b0d789}.opening-card-bottom>svg{color:var(--lime)}.studied-dot{position:absolute;top:14px;left:69px;width:7px;height:7px;border-radius:50%;background:var(--lime)}.home-lower{display:grid;grid-template-columns:1fr 1fr;gap:17px;margin-top:20px}.spotlight-card,.how-card{min-height:280px;border:1px solid #344633;border-radius:13px;padding:26px 29px;position:relative;overflow:hidden}.spotlight-card{background:linear-gradient(120deg,#2d4532,#1e2b21)}.spotlight-title{font:700 25px/1.23 var(--display);margin:15px 0 10px;letter-spacing:-.9px;position:relative;z-index:1}.spotlight-card p{color:#bbcdb8;font-size:12px;line-height:1.65;max-width:360px;position:relative;z-index:1}.spotlight-card .btn{margin-top:13px;position:relative;z-index:1}.spotlight-piece{font:200px Georgia,serif;color:#d0f0b219;position:absolute;right:-13px;bottom:-65px;transform:rotate(-18deg)}.how-card{background:#171e19;border-color:#29342c}.how-card h3{font:700 19px var(--display);margin:12px 0 21px}.how-steps>div{display:flex;gap:19px;padding:11px 0;border-top:1px solid #2b372e}.how-steps>div>span{color:var(--lime);font:700 11px var(--display);padding-top:3px}.how-steps strong{font-size:12px}.how-steps p{color:#8d9d8f;font-size:11px;margin:4px 0}.app-footer{display:flex;justify-content:space-between;gap:15px;color:#637062;font-size:9px;letter-spacing:.7px;font-weight:700;border-top:1px solid #252e27;padding:25px 0 2px;margin-top:52px}.footer-dot{color:var(--lime);font-size:8px;margin:0 7px}.section-heading{display:flex;justify-content:space-between;gap:20px;align-items:center;margin:9px 0 31px}.section-heading h1{font:700 clamp(28px,3.5vw,40px) var(--display);letter-spacing:-1.8px;margin:13px 0 8px}.section-heading p{color:#859286;font-size:13px;line-height:1.55;margin:0}.page-status{font-size:10px;letter-spacing:1px;color:#b8dbaa;border-radius:99px;background:#1a2d1c;border:1px solid #375039;padding:10px 13px;white-space:nowrap;display:flex;align-items:center;gap:9px;font-weight:800}.library-toolbar{display:flex;gap:15px;align-items:center;justify-content:space-between;margin-bottom:24px;flex-wrap:wrap}.searchbox{background:#171e19;border:1px solid #323d34;display:flex;align-items:center;gap:11px;border-radius:10px;min-width:320px;padding:0 14px;min-height:45px;flex:1;max-width:490px;color:#7f9481}.searchbox:focus-within{border-color:#91b878}.searchbox input{border:0;outline:0;background:transparent;color:#e7f1e2;font-size:12px;width:100%}.searchbox input::placeholder{color:#6f7c70}.filter-pills{display:flex;gap:6px;flex-wrap:wrap}.filter-pills button{background:#171e19;border:1px solid #323d34;border-radius:8px;font-size:11px;font-weight:700;color:#93a294;padding:11px 14px}.filter-pills button.selected{background:#2d402a;color:var(--lime);border-color:#526d48}.study-layout{display:grid;grid-template-columns:263px minmax(0,1fr);gap:17px;align-items:start}.study-index,.study-detail,.panel{border:1px solid #2b352d;border-radius:13px;background:#161c18}.study-index{overflow:hidden;max-height:870px}.study-index-head{display:flex;justify-content:space-between;padding:19px;border-bottom:1px solid #2c372e}.study-index-head strong{font:700 13px var(--display)}.study-index-head span{font-size:10px;color:#8a998a}.study-options{max-height:755px;overflow-y:auto;padding:8px}.study-option{display:flex;align-items:center;gap:11px;width:100%;border:1px solid transparent;background:transparent;border-radius:9px;color:#b7c4b7;padding:11px 9px;text-align:left;transition:background .15s}.study-option:hover{background:#222e24}.study-option.selected{background:#2b3c2b;border-color:#496449}.study-option-info{display:flex;flex-direction:column;gap:5px;flex:1;min-width:0}.study-option-info strong{font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.study-option-info small{font-size:10px;color:#788979}.study-icon{font:30px Georgia,serif;color:var(--accent);width:31px;text-align:center;flex-shrink:0}.study-option>svg{color:#748773}.study-detail{overflow:hidden}.study-detail-header{padding:28px 31px 24px;border-bottom:1px solid #303b32;display:flex;align-items:center;justify-content:space-between;gap:20px;background:linear-gradient(105deg,#1a251b,#18201b)}.study-detail-header h2{font:700 27px var(--display);letter-spacing:-1px;margin:10px 0}.study-detail-header p{font-size:12px;max-width:610px;line-height:1.7;color:#9baa9c;margin:0 0 15px}.tag-row{display:flex;flex-wrap:wrap;gap:6px}.tag{display:inline-block;font-size:10px;font-weight:800;border:1px solid #405342;border-radius:6px;color:#adc4a5;background:#29382b;padding:5px 8px}.tag-green{background:#2a422d;color:#bff6a4;border-color:#4d764c}.detail-big-icon{font:83px Georgia,serif;opacity:.75}.study-content{display:grid;grid-template-columns:minmax(230px,.94fr) minmax(220px,1.06fr);padding:26px;gap:30px}.study-board-col{min-width:0}.board-caption{display:flex;justify-content:space-between;align-items:center;font-size:10px;color:#8d9f8c;font-weight:800;letter-spacing:1.1px;margin-bottom:12px}.caption-control{display:flex;align-items:center;gap:7px;background:none;border:0;color:#a6b5a7;font-size:11px;font-weight:700}.caption-control:hover{color:var(--lime)}.board-container{width:100%;aspect-ratio:1;position:relative;overflow:hidden;border-radius:7px;box-shadow:0 18px 47px #0000003b}.board-controls{display:flex;align-items:center;justify-content:space-between;gap:5px;margin-top:14px;background:#212a23;border:1px solid #323c33;border-radius:9px;padding:5px}.board-controls button{border:0;background:transparent;color:#bdc9b9;width:33px;height:32px;border-radius:6px;display:grid;place-items:center}.board-controls button:not(:disabled):hover{background:#334335;color:var(--lime)}.board-controls span{font-size:10px;color:#a4b3a4;font-weight:700;white-space:nowrap}.inner-title{display:flex;align-items:center;gap:10px;margin:1px 0 14px}.inner-title strong{font:700 15px var(--display)}.inner-title.spaced{margin-top:25px}.number-accent{background:#2b412a;border:1px solid #436443;border-radius:6px;font-size:10px;color:#b8ec98;padding:7px;font-weight:900}.number-accent.warning{background:#3b3226;color:#e7bf83;border-color:#51432b}.plan-list>div{display:flex;align-items:flex-start;gap:11px;margin:10px 0}.plan-check{background:#2d422d;color:var(--lime);border:1px solid #425e41;border-radius:50%;height:23px;width:23px;display:grid;place-items:center;flex-shrink:0}.plan-list p{color:#aab9a9;font-size:11px;line-height:1.6;margin:3px 0}.mistake-list{display:flex;flex-direction:column;gap:10px}.mistake-list>div{background:#302a21;border:1px solid #45392a;color:#cbbca4;border-radius:7px;padding:10px;display:flex;gap:10px;align-items:center;font-size:11px;line-height:1.5}.mistake-list svg{color:#dabb7c;flex-shrink:0}.movelist{background:#101612;border:1px solid #2c342e;border-radius:8px;max-height:166px;overflow-y:auto;padding:8px}.move-pair{display:grid;grid-template-columns:30px 1fr 1fr;gap:9px;padding:7px 10px;font-size:12px}.move-pair:nth-child(odd){background:#1c261f;border-radius:4px}.move-number{color:#718274}.move-san{font:600 12px var(--display);color:#d2ddce}.move-list-empty{color:#718273;line-height:1.6;font-size:11px;background:#121812;border:1px solid #2b362d;border-radius:9px;padding:18px}.study-text-col>.wide{margin-top:20px}.game-layout{display:grid;grid-template-columns:minmax(350px,1fr) minmax(305px,365px);gap:25px;align-items:start;max-width:1150px;margin:0 auto}.play-main{min-width:0}.player-line{height:58px;display:flex;gap:12px;align-items:center;padding:0 5px;margin:0 0 13px}.player-line.bottom{margin:13px 0 5px}.player-symbol{display:grid;place-items:center;width:44px;height:44px;border-radius:10px;font:700 29px Georgia,serif}.player-symbol.bot{background:#283529;color:#b8d9a9}.player-symbol.human{background:#d4edc0;color:#263522;font-size:20px;font-family:var(--display)}.player-line>div:nth-child(2){display:flex;flex-direction:column;gap:6px;flex:1;min-width:0}.player-line strong{font:700 14px var(--display)}.player-line small{font-size:11px;color:#8e9c90;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.player-chip{border:1px solid #38513c;background:#1f2d22;border-radius:5px;color:#a2bb9e;font-size:9px;padding:7px 9px;font-weight:800;letter-spacing:.8px}.player-you{color:#d2e9c9}.muted{color:#819181;font-weight:500}.play-board-wrap{width:100%;max-width:650px;margin:auto}.board-action-row{display:flex;gap:7px;flex-wrap:wrap;justify-content:center;margin-top:19px}.control-btn{border:1px solid #354036;background:#1b241d;padding:10px 11px;color:#b4c2b6;font-size:11px;font-weight:700;border-radius:8px;display:flex;align-items:center;gap:7px}.control-btn:not(:disabled):hover{background:#2a392d;color:#eaf8df}.game-aside{display:flex;flex-direction:column;gap:16px}.panel{padding:20px}.panel-heading{display:flex;align-items:center;justify-content:space-between;font:700 14px var(--display);margin-bottom:24px;gap:10px}.panel-heading>span:first-child{display:flex;align-items:center;gap:10px}.panel-heading svg{color:#b5e88d}.panel-heading>span:last-child:not(:first-child){font-size:10px;color:#92a492}.field-label{color:#8b9d8d;font-weight:800;font-size:10px;letter-spacing:1px;display:block;margin:20px 0 10px}.select-wrap{position:relative}.select-wrap select{width:100%;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:#222b23;border:1px solid #3c473e;color:#e9f2e6;border-radius:8px;padding:13px 35px 13px 12px;outline:none;font-size:12px;font-weight:650}.select-wrap>svg{position:absolute;right:12px;top:13px;color:#9fb39d;pointer-events:none}.two-choice{display:grid;grid-template-columns:1fr 1fr;gap:9px}.two-choice button{background:#202922;color:#a8b8a6;border:1px solid #354336;border-radius:8px;padding:11px;display:flex;align-items:center;justify-content:center;gap:10px;font-weight:700;font-size:12px}.two-choice button.chosen{background:#2f472d;color:var(--lime);border-color:#729369}.mini-piece{font:25px Georgia,serif}.white-piece{color:#f8fff0}.black-piece{color:#a9bca6}.field-title-row{display:flex;align-items:center;justify-content:space-between}.field-title-row .field-label{margin-bottom:10px}.elo-value{font:700 21px var(--display);color:var(--lime)}.elo-value small{font:800 9px var(--display)}.range-control{width:100%;-webkit-appearance:none;-moz-appearance:none;appearance:none;height:5px;background:linear-gradient(90deg,#5d9861,#b8eb85);border-radius:4px;cursor:pointer;margin:6px 0 3px}.range-control::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:16px;height:16px;border-radius:50%;background:#d6fdba;border:3px solid #314a32;box-shadow:0 0 0 2px #bdf290}.range-control::-moz-range-thumb{height:12px;width:12px;border-radius:50%;background:#d6fdba;border:2px solid #314a32}.range-ends{display:flex;justify-content:space-between;color:#809082;font-size:10px}.style-label{margin-top:22px}.styles-choice{display:flex;flex-direction:column;gap:7px}.styles-choice button{background:#1e2720;border:1px solid #344336;border-radius:9px;padding:12px 11px;display:flex;gap:10px;align-items:center;text-align:left;color:#8c9e8e}.styles-choice button.active{border-color:#678e59;background:#2b3c29;color:var(--lime)}.styles-choice button>svg{flex-shrink:0}.styles-choice button>div{flex:1}.styles-choice strong{display:block;color:#e4efdf;font-size:11px;margin-bottom:3px}.styles-choice small{display:block;color:#8fa28e;font-size:10px;line-height:1.4}.radio-ring{width:14px;height:14px;border:1.6px solid #657568;border-radius:50%;flex-shrink:0}.styles-choice button.active .radio-ring{border:4px solid var(--lime)}.start-button{margin-top:18px;padding:14px}.start-button svg:last-child{margin-left:auto}.subtle-link{border:0;background:none;color:#b6c7b3;font-size:11px;display:block;width:100%;padding:10px}.subtle-link:hover{color:var(--lime)}.elo-disclaimer{color:#778a78;font-size:9px;line-height:1.5;margin-top:12px}.coach-panel{background:linear-gradient(145deg,#233326,#19241d);border-color:#43583f}.coach-panel .panel-heading{margin-bottom:15px}.coach-flash{display:flex;align-items:center;gap:7px;color:var(--lime)!important;font-size:9px!important;letter-spacing:.8px}.coach-flash .live-dot{width:6px;height:6px}.coach-icon{color:var(--lime);background:#364d35;width:36px;height:36px;display:grid;place-items:center;border-radius:8px;margin-bottom:13px}.coach-panel>strong{font:700 14px var(--display)}.coach-panel>p{color:#b4c8b0;font-size:11px;line-height:1.6}.coach-theory{margin-top:15px;border-top:1px solid #425542;padding-top:13px;display:flex;justify-content:space-between;gap:5px}.coach-theory span{font-size:9px;letter-spacing:.7px;color:#93a993;font-weight:800}.coach-theory strong{font-size:10px;color:#c6e8b8}.compact-moves .panel-heading{margin-bottom:13px}.compact-moves .movelist{max-height:210px}.empty-note{font-size:11px;color:#829683;padding:15px;line-height:1.6}.lab-board-top{display:flex;align-items:center;justify-content:space-between;margin:0 0 12px;color:#a8b9a7;font-size:10px;font-weight:800;letter-spacing:1px;padding-left:23px}.lab-board-top>span{display:flex;align-items:center;gap:9px}.lab-board-top svg{color:#b9ea8f}.lab-board-row{display:flex;gap:13px;align-items:stretch}.lab-board-row .play-board-wrap{flex:1;min-width:0}.eval-track{width:15px;background:#f1f1e5;border-radius:5px;position:relative;overflow:hidden;flex-shrink:0;align-self:stretch}.eval-black{width:100%;position:absolute;top:0;background:#28302a;transition:height .35s}.eval-label{position:absolute;bottom:7px;left:50%;transform:translate(-50%);writing-mode:vertical-rl;rotate:180deg;color:#27362a;font:bold 9px var(--display)}.eval-header{display:flex;justify-content:space-between;gap:15px}.eval-header>div:first-child{display:flex;flex-direction:column}.eval-header span{font-size:10px;letter-spacing:.6px;color:#89988c;font-weight:800}.eval-header strong{font:700 39px var(--display);letter-spacing:-2px;margin:9px 0 5px}.eval-header small{font-size:10px;color:#6d846f}.eval-emblem{font:54px Georgia,serif;color:#bddfae}.eval-gradient{height:8px;border-radius:7px;background:#454e46;margin-top:19px;overflow:hidden}.eval-gradient>div{height:100%;background:var(--lime);transition:width .3s}.eval-sides{display:flex;justify-content:space-between;color:#7c8d7c;font-size:9px;margin-top:9px}.analysis-separator{height:1px;background:#344036;margin:22px 0 5px}.tiny-status{font-size:10px;color:#9fb2a0}.engine-lines{display:flex;flex-direction:column;gap:7px}.engine-line{background:#212d23;border:1px solid #354638;display:flex;align-items:center;gap:11px;color:#e6f0e3;width:100%;padding:12px;text-align:left;border-radius:8px}.engine-line:hover{background:#324434}.variation-num{background:#3c523a;color:#c8ecba;border-radius:5px;padding:7px 9px;font:800 12px var(--display)}.engine-line>div{display:flex;flex-direction:column;gap:5px;min-width:0;flex:1}.variation-score{color:var(--lime);font-size:11px;font-weight:800}.variation-san{font:600 11px var(--display);overflow:hidden;white-space:nowrap;text-overflow:ellipsis;color:#b1c2ae}.engine-line>svg{color:#8ba58b}.analysis-hint{display:flex;align-items:center;gap:8px;color:#738b75;font-size:10px;margin-top:18px;line-height:1.5}.fen-panel .panel-heading{margin-bottom:12px}.fen-panel textarea{background:#121914;border:1px solid #39473a;color:#caddc4;width:100%;resize:vertical;min-height:75px;border-radius:7px;padding:11px;font:11px/1.6 var(--display)}.fen-panel .btn{margin-top:11px;border-color:#4c634a}.fen-panel .field-label{margin-top:17px}.field-help{font-size:10px;color:#7d947e;line-height:1.6;margin:12px 0 0}.form-error{color:#f0a497;font-size:11px;margin-top:8px}.promotion-shade{position:absolute;top:0;right:0;bottom:0;left:0;z-index:10;background:#101a12b9;display:grid;place-items:center;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.promotion-card{background:#1c2820;border:1px solid #627d5a;border-radius:12px;padding:22px 19px 20px;text-align:center;position:relative;max-width:94%;box-shadow:0 24px 65px #000a}.promotion-card h3{font:700 22px var(--display);margin:10px 0 15px}.promotion-close{position:absolute;right:6px;top:6px}.promotion-pieces{display:flex;gap:8px}.promotion-pieces button{border:1px solid #3d563c;background:#334333;border-radius:8px;font:49px Georgia,serif;color:#e8f1e3;width:64px;height:70px}.promotion-pieces button:hover{background:#506b4c;color:var(--lime)}.icon-btn{border:0;background:transparent;color:#d3dfcc;width:33px;height:33px;display:grid;place-items:center}.nav-backdrop{display:none}@media(max-width:1380px){.sidebar{width:238px;min-width:238px}.topbar{padding:0 31px}.page-body{padding:33px 31px 20px}.study-layout{grid-template-columns:235px minmax(0,1fr)}.study-content{gap:19px;padding:20px}.hero-panel h1{font-size:50px}.hero-copy{padding-left:35px}}@media(max-width:1170px){.opening-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.study-content{grid-template-columns:1fr}.study-board-col{max-width:520px;width:100%;margin:0 auto}.game-layout{grid-template-columns:minmax(0,1fr) 320px;gap:15px}.hero-panel{grid-template-columns:1.15fr .85fr}.hero-copy{padding-left:30px}.hero-panel h1{font-size:43px}.hero-knight{font-size:240px}}@media(max-width:980px){.sidebar{position:fixed;transform:translate(-103%);transition:transform .22s;height:100vh}.sidebar.sidebar-open{transform:translate(0)}.nav-backdrop{position:fixed;display:block;top:0;right:0;bottom:0;left:0;border:0;background:#020503b9;z-index:19}.mobile-menu{display:grid!important}.topbar{padding:0 22px}.page-body{padding:26px 22px}.breadcrumbs{margin-right:auto;margin-left:15px}.game-layout{grid-template-columns:minmax(0,1fr) 315px;gap:16px}.study-layout{grid-template-columns:225px minmax(0,1fr)}}@media(max-width:720px){.topbar{height:65px}.engine-badge{font-size:0;gap:0;padding:9px;border-radius:50%}.engine-badge i{width:9px;height:9px}.breadcrumbs>span{display:none}.breadcrumbs>svg{display:none}.topbar-right{gap:10px}.page-body{padding:19px 13px}.hero-panel{grid-template-columns:1fr}.hero-copy{padding:28px 23px}.hero-panel h1{font-size:40px;letter-spacing:-2px}.hero-art{display:none}.hero-bottom{flex-wrap:wrap;margin-top:27px}.stat-grid{grid-template-columns:1fr 1fr;gap:10px}.stat-grid .stat-card:last-child{grid-column:1/-1}.stat-card{padding:17px;min-height:115px}.stat-value{font-size:29px;margin-top:13px}.opening-grid{grid-template-columns:1fr 1fr;gap:9px}.opening-card{padding:13px}.opening-card-name{font-size:14px;margin-top:14px}.opening-english{font-size:9px}.card-moves{margin:13px 0}.card-moves span{font-size:9px;padding:4px}.area-header h2{font-size:21px}.area-header p{font-size:11px}.text-link{font-size:10px}.home-lower{grid-template-columns:1fr}.section-heading{margin:9px 0 22px}.section-heading h1{font-size:29px;letter-spacing:-1.3px}.section-heading p{font-size:11px}.page-status{display:none}.library-toolbar{align-items:stretch}.searchbox{max-width:none;min-width:0}.filter-pills{overflow-x:auto;white-space:nowrap;flex-wrap:nowrap;padding-bottom:2px}.filter-pills button{flex-shrink:0}.study-layout{grid-template-columns:1fr}.study-index{max-height:270px}.study-options{max-height:205px}.study-content{padding:15px}.study-detail-header{padding:22px 20px}.study-detail-header h2{font-size:23px}.detail-big-icon{font-size:54px}.game-layout{grid-template-columns:1fr;gap:23px}.game-aside{display:flex;flex-direction:column}.player-line{margin-bottom:8px}.player-line.bottom{margin-bottom:0}.app-footer{flex-wrap:wrap;font-size:8px;line-height:1.4}.promotion-pieces button{width:54px;height:61px;font-size:44px}}@media(max-width:390px){.opening-grid{grid-template-columns:1fr}.hero-actions{flex-direction:column;align-items:stretch}.hero-bottom{gap:12px}.stat-top{font-size:8px}.board-action-row{gap:5px}.control-btn{font-size:10px;padding:9px}.hero-panel h1{font-size:36px}}:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#ededed;background:#050505;--bg:#050505;--side:#080808;--panel:#101010;--panel2:#181818;--muted:#a1a1a1;--line:#292929;--soft:#191919;--lime:#b8d6a2;--bright:#dbebcf;--display:Inter,ui-sans-serif,system-ui,-apple-system,sans-serif}.app-shell{background:#050505}.sidebar{background:#0a0a0a;border-right:1px solid #252525}.topbar{background:#080808;border-bottom:1px solid #242424}.nav-item.active{background:#20231f;color:#d0e1c4}.nav-item:hover,.nav-item.secondary:hover{background:#191919;color:#f4f4f4}.brand-mark{background:#c8d9be;color:#121810;transform:none}.brand-copy small,.nav-group-label,.breadcrumbs>span,.breadcrumbs>svg{color:#888}.sidebar-rule,.sidebar-footer{border-color:#292929}.sidebar-card,.sidebar-card:after{display:none}.sidebar-footer .footer-avatar,.avatar{background:#202020;color:#ddd}.engine-badge{background:#151915;border-color:#283029}.opening-card,.how-card,.stat-card,.spotlight-card,.panel,.study-detail,.study-index,.searchbox,.filter-pills button{background:#111!important;border-color:#292929!important;box-shadow:none!important}.opening-card:hover{background:#181818!important;border-color:#525a51!important;transform:translateY(-2px)}.opening-eco,.card-moves span,.tag,.study-icon,.board-controls button,.control-btn{background:#202020!important;border-color:#353535!important;color:#ddd}.app-footer{color:#8a8a8a;border-color:#272727}.section-heading p,.area-header p,.opening-english,.stat-foot{color:#a0a0a0}.hero-panel,.spotlight-card,.sidebar-card{background:#121212!important}.hero-panel:before,.spotlight-card:before{display:none!important}.btn-primary{background:#b8d6a2;color:#151515;box-shadow:none}.btn-primary:hover{background:#cfe6c0}.btn-outline{border-color:#444;background:#141414;color:#eee}.btn-outline:hover{background:#202020}.range-control{accent-color:#b8d6a2}.eyebrow{color:#b8d6a2}.board-container{box-shadow:none;border:1px solid #333;border-radius:6px}.page-body{max-width:1530px}.ks-page-head{margin:4px 0 28px}.ks-page-head>span,.ks-game-title>div:first-child>span{display:block;font-size:11px;color:#b8d6a2;letter-spacing:1.5px;font-weight:800}.ks-page-head h1,.ks-game-title h1{font:750 clamp(30px,3vw,43px)/1.15 var(--display);margin:10px 0 8px;letter-spacing:-1.4px}.ks-page-head p{color:#a6a6a6;font-size:14px;margin:0}.ks-panel{background:#111;border:1px solid #292929;border-radius:13px;padding:24px;min-width:0}.ks-panel>label,.ks-setup label{display:flex;gap:6px;align-items:center;justify-content:space-between;font-size:12px;color:#bbb;font-weight:650;margin:16px 0 10px}.ks-panel label:first-child{margin-top:0}.ks-panel select,.ks-search input{border:1px solid #393939;border-radius:9px;background:#1a1a1a;color:#f1f1f1;padding:12px;width:100%;outline:none}.ks-panel select:focus,.ks-search:focus-within{border-color:#9db392}.ks-primary,.ks-secondary,.ks-return{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 17px;border:1px solid transparent;border-radius:9px;font-weight:750;font-size:13px;cursor:pointer;transition:background .14s,border-color .14s}.ks-primary{background:#b8d6a2;color:#111}.ks-primary:hover{background:#d1e8bf}.ks-secondary{background:#1c1c1c;color:#ececec;border-color:#353535}.ks-secondary:hover{background:#272727}.ks-primary:disabled,.ks-secondary:disabled{opacity:.4}.ks-note,.ks-help,.ks-shortcut{color:#9d9d9d;font-size:12px;line-height:1.6;margin:13px 0 0}.ks-panel-head{display:flex;justify-content:space-between;align-items:center;gap:10px;padding-bottom:17px;border-bottom:1px solid #2b2b2b;font-size:14px}.ks-panel-head span{color:#8c8c8c;font-size:11px}.ks-panel input[type=range]{accent-color:#b8d6a2;width:100%}.ks-segment{display:flex;gap:8px}.ks-segment button,.ks-time-grid button{background:#1a1a1a;color:#c5c5c5;border:1px solid #363636;border-radius:8px;padding:12px;font-weight:700;cursor:pointer;font-size:12px;flex:1}.ks-segment button:hover,.ks-time-grid button:hover{background:#242424}.ks-segment button.on,.ks-time-grid button.on{background:#253026;border-color:#829b78;color:#e2f2d7}.ks-segment button:disabled{opacity:.32;cursor:not-allowed}.ks-setup{display:grid;grid-template-columns:minmax(300px,1.25fr) minmax(260px,.75fr);gap:20px}.ks-time-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px}.ks-time-grid button{min-height:48px}.ks-setup-side .ks-primary{width:100%;margin-top:24px}.ks-game-title{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px}.ks-game-title h1{font-size:28px}.ks-header-actions{display:flex;gap:8px}.ks-header-actions button,.ks-move-controls button{border:1px solid #373737;background:#1c1c1c;color:#d2d2d2;border-radius:8px;min-width:36px;min-height:36px;display:grid;place-items:center}.ks-header-actions button:hover,.ks-move-controls button:hover{background:#2a2a2a}.ks-game-layout{display:grid;grid-template-columns:minmax(320px,650px) minmax(250px,1fr);gap:23px;align-items:start}.ks-board-column{min-width:0}.ks-game-board{width:100%;max-width:650px}.ks-player{display:flex;align-items:center;gap:11px;padding:10px 1px;min-height:72px}.ks-player-icon{height:40px;width:40px;background:#222;border:1px solid #333;border-radius:9px;display:grid;place-items:center;font-size:30px}.ks-player-icon.human{background:#283327;color:#e7f4dc}.ks-player strong,.ks-player small{display:block}.ks-player strong{font-size:14px}.ks-player small{color:#8d8d8d;font-size:11px;margin-top:4px}.ks-clock{margin-left:auto;background:#1b1b1b;border:1px solid #353535;min-width:100px;text-align:center;padding:12px 15px;border-radius:8px;font:750 23px/1 var(--display);font-variant-numeric:tabular-nums;letter-spacing:-.5px}.ks-clock.running{background:#b8d6a2;color:#121912;border-color:#b8d6a2}.ks-game-sidebar{display:flex;flex-direction:column;gap:14px}.ks-move-list{margin:14px 0;max-height:350px;min-height:130px;overflow:auto}.ks-move-list>p{color:#858585;font-size:13px;text-align:center;padding:22px}.ks-move-row{display:grid;grid-template-columns:44px minmax(0,1fr) minmax(0,1fr);align-items:center;font-size:13px}.ks-move-row>span:first-child{color:#888;text-align:center}.ks-move-row button{border:0;border-radius:5px;background:transparent;color:#ddd;font-size:13px;font-weight:650;text-align:left;padding:10px;cursor:pointer}.ks-move-row:nth-child(odd){background:#171717}.ks-move-row button.selected{background:#3a4738;color:#eaf5e2}.ks-move-row button:hover{background:#282828}.ks-move-controls{border-top:1px solid #2a2a2a;padding-top:12px;display:flex;gap:7px;align-items:center;justify-content:center}.ks-move-controls button:disabled{opacity:.35;cursor:not-allowed}.ks-actions-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}.ks-actions-grid button{display:flex;align-items:center;justify-content:center;gap:7px;padding:13px 10px;border:1px solid #3a3a3a;background:#1b1b1b;color:#e0e0e0;border-radius:8px;cursor:pointer;font-weight:650;font-size:12px}.ks-actions-grid button:hover{background:#252525}.ks-actions-grid button:disabled{opacity:.4;cursor:not-allowed}.ks-actions .ks-secondary{margin-top:16px;width:100%}.ks-return{background:#1f2920;color:#d6e6d0;border-color:#3b4b3e;margin-top:14px;width:100%;font-size:12px}.ks-result{background:#172218;border:1px solid #425345;border-radius:11px;padding:18px;margin-top:10px}.ks-result strong{font-size:24px}.ks-result p{color:#c3ccc0;font-size:12px}.ks-result button{background:#b8d6a2;color:#131713;border:0;border-radius:7px;padding:10px 16px;cursor:pointer;font-weight:750}.ks-learning-layout{display:grid;grid-template-columns:minmax(185px,245px) minmax(275px,495px) minmax(230px,1fr);gap:18px;align-items:start}.ks-lesson-library{padding:13px;max-height:780px;overflow:auto}.ks-library-head{display:flex;justify-content:space-between;padding:10px 9px 15px;font-size:13px}.ks-library-head span{color:#8c8c8c;font-size:11px}.ks-search{display:flex;align-items:center;gap:8px;border:1px solid #303030;background:#191919;color:#8d8d8d;border-radius:9px;padding:0 10px;margin-bottom:12px}.ks-search input{border:0;background:transparent;font-size:12px;padding:10px 2px}.ks-library-item{width:100%;display:flex;align-items:center;gap:10px;padding:12px 8px;background:transparent;border:0;border-radius:8px;color:#dedede;text-align:left;cursor:pointer}.ks-library-item:hover{background:#202020}.ks-library-item.current{background:#283028}.ks-library-item>span:nth-child(2){flex:1;min-width:0}.ks-library-item strong,.ks-library-item small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ks-library-item strong{font-size:12px}.ks-library-item small{color:#989898;font-size:10px;margin-top:3px}.ks-library-symbol{width:32px;height:32px;background:#242424;color:#b8d6a2;display:grid;place-items:center;border-radius:7px;font-size:25px}.ks-library-item svg{color:#b8d6a2}.ks-lesson-center{min-width:0}.ks-lesson-progress{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}.ks-lesson-progress>div:first-child{display:flex;justify-content:space-between;gap:9px;font-size:11px;color:#9a9a9a}.ks-lesson-progress strong{color:#c8c8c8}.ks-progress-track{height:4px;background:#303030;overflow:hidden;border-radius:8px}.ks-progress-track>div{height:100%;background:#b8d6a2;transition:width .2s}.ks-lesson-nav{border:0;gap:15px;margin-top:11px}.ks-lesson-nav>span{color:#999;font-size:12px}.ks-lesson-instruction{min-height:350px}.ks-lesson-type{color:#b8d6a2;display:flex;align-items:center;gap:7px;font-size:10px;letter-spacing:1.2px;font-weight:800}.ks-lesson-instruction h2{font:750 23px/1.2 var(--display);letter-spacing:-.6px;margin:22px 0 11px}.ks-lesson-instruction>p{font-size:13px;line-height:1.8;color:#c4c4c4}.ks-instruction-hint{display:flex;gap:9px;align-items:start;color:#b9cbb4;background:#1b231b;border:1px solid #2e3d2e;border-radius:9px;padding:14px;margin:23px 0 15px;font-size:12px;line-height:1.6}.ks-instruction-hint svg{flex-shrink:0}.ks-lesson-actions{display:flex;gap:7px;flex-wrap:wrap}.ks-lesson-actions button{background:#202020;border:1px solid #363636;border-radius:7px;color:#ddd;padding:9px 11px;display:flex;gap:7px;align-items:center;font-size:12px;cursor:pointer}.ks-hint,.ks-feedback{background:#1d1d1d;border-left:2px solid #9ebd90;padding:10px 13px;font-size:12px;color:#ced7ca;line-height:1.6}.ks-feedback{border-color:#c0b287}.ks-lesson-success{display:flex;gap:8px;align-items:center;color:#c8e2bb;font-size:13px;padding:15px}.ks-lesson-footer{display:flex;flex-direction:column;gap:9px;margin-top:28px}.ks-lesson-footer button{width:100%}.ks-home-hero{background:#101010;border:1px solid #292929;border-radius:16px;padding:50px 40px;min-height:315px}.ks-home-hero>span{font-size:10px;color:#b8d6a2;letter-spacing:1.5px;font-weight:800}.ks-home-hero h1{font:780 clamp(36px,4vw,57px)/1.07 var(--display);letter-spacing:-2.1px;margin:23px 0 13px}.ks-home-hero p{font-size:14px;color:#aaa;max-width:490px;line-height:1.75}.ks-home-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}.ks-quick-stats{display:flex;gap:24px;flex-wrap:wrap;margin:20px 0 6px;color:#999;font-size:12px}.ks-quick-stats span{display:flex;gap:8px;align-items:center}.ks-home-next{margin-top:20px;border:1px solid #2b2b2b;background:#111;padding:24px;border-radius:12px;display:flex;align-items:center;justify-content:space-between;gap:18px}.ks-home-next strong{font-size:16px}.ks-home-next p{color:#9b9b9b;font-size:12px;margin:8px 0 0;line-height:1.7}@media(max-width:1240px){.ks-learning-layout{grid-template-columns:210px minmax(250px,1fr)}.ks-lesson-instruction{grid-column:2}.ks-game-layout{grid-template-columns:minmax(280px,1.25fr) minmax(240px,.75fr)}}@media(max-width:810px){.ks-setup,.ks-game-layout,.ks-learning-layout{grid-template-columns:1fr}.ks-lesson-instruction{grid-column:auto}.ks-lesson-library{max-height:220px;overflow:auto}.ks-board-column,.ks-lesson-center,.ks-game-sidebar{max-width:580px;margin:auto;width:100%}.ks-home-hero{padding:30px 22px}.ks-home-next{flex-direction:column;align-items:start}}@media(max-width:480px){.ks-panel{padding:16px}.ks-time-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.ks-time-grid button{padding:10px 5px}.ks-home-hero h1{letter-spacing:-1.1px}.ks-player{min-height:60px}.ks-clock{min-width:86px;padding:10px;font-size:19px}.ks-game-title h1{font-size:23px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;animation:none!important;scroll-behavior:auto!important}}.ks-opening-side{display:flex;align-items:flex-start;gap:8px;flex-wrap:wrap;margin:12px 0 2px;font-size:10px;color:#aeb6af;line-height:1.45}.ks-opening-side>span:first-child{padding:3px 7px;border:1px solid #4b594a;border-radius:6px;color:#d4e5cd;background:#222b22;font-weight:750;white-space:nowrap}.ks-opening-side>span:last-child{flex:1;min-width:138px}.ks-opening-mode{padding:11px 13px;background:#192319;border:1px solid #344534;border-radius:8px;color:#c9dec1;font-size:12px;line-height:1.55;margin:10px 0 20px}.ks-lesson-move-note{color:#9cac98!important;font-size:12px!important}@media(max-width:560px){.ks-opening-side>span:last-child{min-width:100%}}.ks-game-modes{margin:8px 0 16px}.ks-game-modes button{min-height:48px;white-space:normal;line-height:1.4}.ks-free-description{margin:0 0 20px;padding:13px 15px;border:1px solid #313a32;border-radius:9px;background:#171b17;color:#bac6b8;font-size:12px;line-height:1.7}@media(max-width:400px){.ks-game-modes button{padding:11px 8px;font-size:11px}}.ks-board-overlay-parent{position:relative;isolation:isolate}.ks-end-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:5;display:flex;align-items:center;justify-content:center;background:#020302ab;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);padding:14px}.ks-end-dialog{width:min(100%,335px);padding:27px 22px 22px;border:1px solid #41473f;border-radius:16px;background:#191b19;box-shadow:0 20px 65px #000b;color:#f2f2f0;position:relative;text-align:center}.ks-end-dismiss{position:absolute;top:13px;right:13px;background:transparent;border:0;color:#979d96;display:grid;place-items:center;padding:7px;border-radius:7px}.ks-end-dismiss:hover{background:#292c28;color:#f2f2f0}.ks-end-emblem{display:grid;place-items:center;margin:1px auto 16px;width:56px;height:56px;border-radius:50%;color:#e8eee5;background:#2b3529;border:1px solid #4d6548}.ks-end-emblem.lost{color:#c5c5c5;background:#303030;border-color:#454545}.ks-end-emblem.draw{background:#2d2d2d;border-color:#4a4a4a}.ks-end-dialog h2{font:750 26px/1.25 var(--display);letter-spacing:-.65px;margin:0}.ks-end-dialog>p{margin:8px 0 19px;color:#a4aba2;font-size:13px}.ks-end-score{padding:13px 10px;border-top:1px solid #343834;border-bottom:1px solid #343834;display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:21px}.ks-end-score span{color:#9da59a;font-size:11px}.ks-end-score strong{font-size:16px;font-weight:750;font-variant-numeric:tabular-nums}.ks-end-action{display:flex;align-items:center;justify-content:center;gap:10px;margin:0 0 9px;width:100%;padding:13px 10px}.ks-end-action:disabled{opacity:.5}.ks-end-secondary{background:#292d28;border:1px solid #484c45;color:#eee;border-radius:8px;padding:12px 10px;width:100%;display:flex;align-items:center;gap:9px;justify-content:center;font-size:13px;font-weight:700}.ks-end-secondary:hover{background:#333931}.ks-result-bar{margin-top:9px;border:1px solid #363a34;border-radius:8px;background:#161916;color:#d3d9d0;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 14px;font-size:13px}.ks-result-bar button{border:1px solid #49534a;color:#d0e4c8;background:#273026;border-radius:6px;padding:8px 10px;font-size:12px}.ks-sidebar-tabs{display:flex;gap:5px;padding-bottom:13px;margin-bottom:14px;border-bottom:1px solid #303330}.ks-sidebar-tabs button{flex:1;padding:11px;border:0;border-radius:7px;color:#adb4ab;background:transparent;cursor:pointer;font-size:13px;font-weight:700}.ks-sidebar-tabs button.active{background:#303d2e;color:#dbefd5}.ks-sidebar-tabs button:hover{background:#2a2d29}.ks-review-loading{text-align:center;color:#bfc8b9;padding:35px 5px;display:flex;flex-direction:column;gap:12px;align-items:center}.ks-review-loading p{color:#9da59a;font-size:12px;line-height:1.6;margin:0}.ks-review-loading small{color:#8e988d;font-size:11px}.ks-review-loading .ks-progress-track{width:100%;margin:5px 0}.ks-review-spinner{width:25px;height:25px;border-radius:50%;border:2px solid #303b31;border-top-color:#b8d6a2;animation:ks-spin .8s linear infinite}@keyframes ks-spin{to{transform:rotate(360deg)}}.ks-review-content{display:flex;flex-direction:column;gap:15px}.ks-review-heading .ks-review-kicker{color:#b6d3a5;font-size:10px;letter-spacing:1px;font-weight:800;display:flex;align-items:center;gap:6px;margin-bottom:10px}.ks-review-heading strong{font:750 20px var(--display);letter-spacing:-.4px;display:block}.ks-review-heading p{font-size:11px;line-height:1.65;color:#969e94;margin:6px 0 0}.ks-review-graph{padding:10px;border-radius:9px;background:#171a17;border:1px solid #303a30}.ks-review-graph svg{display:block;width:100%;height:125px;overflow:visible}.ks-review-caption{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:10px;color:#929e91}.ks-review-summary{display:flex;gap:8px;flex-wrap:wrap}.ks-review-summary span{display:flex;gap:5px;align-items:center;border:1px solid #333b32;background:#1e261c;padding:8px;border-radius:7px;color:#bbc9b7;font-size:10px}.ks-review-moments h3,.ks-review-moves h3{font-size:13px;margin:5px 0 12px;font-weight:750}.ks-review-moments button{width:100%;background:transparent;border:0;border-bottom:1px solid #303330;display:flex;align-items:center;text-align:left;gap:9px;color:#e7ede4;padding:11px 3px}.ks-review-moments button:hover{background:#252a23}.ks-review-moments button>span:nth-child(2){min-width:0;flex:1}.ks-review-moments strong,.ks-review-moments small{display:block;font-size:12px}.ks-review-moments small{font-size:10px;color:#a4b0a0;margin-top:5px}.ks-review-grade{font-weight:850;font-size:12px;display:inline-grid;place-items:center;min-width:26px;height:24px;border-radius:6px;background:#3a4d35;color:#bce1b2}.grade-excellent,.grade-good{background:#253a2d;color:#b7dca8}.grade-inaccuracy{background:#51492e;color:#f2d589}.grade-mistake{background:#5b3927;color:#ffb77f}.grade-blunder{background:#562e30;color:#ff9299}.ks-review-move-grid{display:grid;grid-template-columns:1fr 1fr;gap:5px}.ks-review-move-grid button{min-width:0;display:flex;align-items:center;gap:6px;padding:9px 5px;background:#1b1e1b;border:1px solid #303430;border-radius:6px;color:#e4e8e2;text-align:left}.ks-review-move-grid button:hover{background:#30372f;border-color:#637861}.ks-review-move-grid button>span:first-child{font-size:10px;color:#929b92}.ks-review-move-grid button strong{flex:1;font-size:11px}.ks-review-note{color:#8f9a8e;font-size:10px;line-height:1.6;margin:0}.ks-postgame-actions{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:14px}.ks-postgame-actions button:first-child{background:#b8d6a2;color:#131a13;border-color:#b8d6a2}.ks-postgame-actions button:last-child{grid-column:1/-1}@media(max-width:520px){.ks-end-dialog{max-width:310px;padding:22px 17px}.ks-end-emblem{width:46px;height:46px;margin-bottom:10px}.ks-end-dialog h2{font-size:23px}}@media(prefers-reduced-motion:reduce){.ks-review-spinner{animation:none}}.ks-review-focused{display:flex;gap:11px;align-items:flex-start;border:1px solid #465940;border-radius:9px;background:#222d20;padding:13px 11px}.ks-review-focused>.ks-review-grade{flex-shrink:0}.ks-review-focused>div{flex:1;min-width:0}.ks-review-focused strong{font-size:12px;color:#ebf5e7;line-height:1.5}.ks-review-focused p{font-size:11px;line-height:1.7;margin:6px 0 0;color:#bacdb3}