.BoundaryFirstChess-module__BV9ySq__chessInstrument{background:linear-gradient(#ffffff0a,#0000 14%),#0e151e;border:1px solid #f0d68161;gap:12px;width:min(100%,760px);padding:13px;display:grid;box-shadow:inset 0 0 0 1px #ffffff06,0 18px 50px #00000057}.BoundaryFirstChess-module__BV9ySq__chessInstrumentTopline{justify-content:space-between;align-items:center;gap:18px;padding:4px 4px 2px;display:flex}.BoundaryFirstChess-module__BV9ySq__chessInstrumentTopline>div{gap:5px;display:grid}.BoundaryFirstChess-module__BV9ySq__chessInstrumentTopline span,.BoundaryFirstChess-module__BV9ySq__chessLensReadout>p,.BoundaryFirstChess-module__BV9ySq__chessStatement>p,.BoundaryFirstChess-module__BV9ySq__chessSectionLead>p,.BoundaryFirstChess-module__BV9ySq__chessAnalyzerLead>p,.BoundaryFirstChess-module__BV9ySq__chessEvidenceHeader p,.BoundaryFirstChess-module__BV9ySq__chessClaimFirewall>p,.BoundaryFirstChess-module__BV9ySq__chessReleaseCopy>p:first-child,.BoundaryFirstChess-module__BV9ySq__chessReleaseState>span{color:#e8c96e;letter-spacing:.14em;text-transform:uppercase;font:800 .49rem/1 ui-monospace,SFMono-Regular,Menlo,monospace}.BoundaryFirstChess-module__BV9ySq__chessInstrumentTopline strong{color:#d6dde4;font-family:Georgia,Times New Roman,serif;font-size:.84rem;font-weight:500}.BoundaryFirstChess-module__BV9ySq__chessInstrumentLamp{background:#79a77b;border:1px solid #0009;border-radius:50%;width:9px;height:9px;box-shadow:0 0 12px #79a77b73}.BoundaryFirstChess-module__BV9ySq__chessLensControls{grid-template-columns:repeat(5,minmax(0,1fr));gap:4px;display:grid}.BoundaryFirstChess-module__BV9ySq__chessLensControls button{color:#aab4c0;letter-spacing:.08em;cursor:pointer;background:#161f2b;border:1px solid #f0d68133;min-height:35px;padding:6px;font:800 .48rem/1 ui-monospace,SFMono-Regular,Menlo,monospace}.BoundaryFirstChess-module__BV9ySq__chessLensControls button[aria-pressed=true]{color:#19140a;background:#d8b754;border-color:#d8b754;box-shadow:inset 0 1px #ffffff61}.BoundaryFirstChess-module__BV9ySq__chessBoardStage{grid-template-columns:minmax(300px,1.12fr) minmax(220px,.88fr);gap:12px;display:grid}.BoundaryFirstChess-module__BV9ySq__chessBoard{aspect-ratio:1;border:1px solid #06090d;grid-template-columns:repeat(8,1fr);display:grid;overflow:hidden;box-shadow:0 0 0 6px #202936,0 0 0 7px #f0d68142,0 16px 34px #00000057}.BoundaryFirstChess-module__BV9ySq__chessSquare{place-items:center;min-width:0;transition:box-shadow .16s,filter .16s,transform .16s;display:grid;position:relative}.BoundaryFirstChess-module__BV9ySq__chessSquareLight{background:#c9bfa7}.BoundaryFirstChess-module__BV9ySq__chessSquareDark{background:#56606a}.BoundaryFirstChess-module__BV9ySq__chessSquarePrimary{z-index:2;box-shadow:inset 0 0 0 4px #f0cf6a,inset 0 0 22px #f0cf6a52}.BoundaryFirstChess-module__BV9ySq__chessSquareSecondary{box-shadow:inset 0 0 0 2px #68aebbe6}.BoundaryFirstChess-module__BV9ySq__chessSquarePrimary.BoundaryFirstChess-module__BV9ySq__chessSquareSecondary{box-shadow:inset 0 0 0 4px #f0cf6a,inset 0 0 0 6px #68aebbd1,inset 0 0 24px #f0cf6a4d}.BoundaryFirstChess-module__BV9ySq__chessPiece{z-index:3;color:#111821;text-shadow:0 1px #ffffff80;font-family:Segoe UI Symbol,Arial Unicode MS,serif;font-size:clamp(1.65rem,3.1vw,3.2rem);line-height:1;position:relative}.BoundaryFirstChess-module__BV9ySq__chessSquare[data-square$="7"] .BoundaryFirstChess-module__BV9ySq__chessPiece,.BoundaryFirstChess-module__BV9ySq__chessSquare[data-square$="8"] .BoundaryFirstChess-module__BV9ySq__chessPiece,.BoundaryFirstChess-module__BV9ySq__chessSquare[data-square=c6] .BoundaryFirstChess-module__BV9ySq__chessPiece,.BoundaryFirstChess-module__BV9ySq__chessSquare[data-square=d6] .BoundaryFirstChess-module__BV9ySq__chessPiece,.BoundaryFirstChess-module__BV9ySq__chessSquare[data-square=e5] .BoundaryFirstChess-module__BV9ySq__chessPiece,.BoundaryFirstChess-module__BV9ySq__chessSquare[data-square=f6] .BoundaryFirstChess-module__BV9ySq__chessPiece,.BoundaryFirstChess-module__BV9ySq__chessSquare[data-square=c5] .BoundaryFirstChess-module__BV9ySq__chessPiece{color:#0b0d10;text-shadow:0 1px #ffffff1f}.BoundaryFirstChess-module__BV9ySq__chessCoordinate{z-index:4;color:#0f141ab8;font:800 .43rem/1 ui-monospace,SFMono-Regular,Menlo,monospace;position:absolute;bottom:3px;left:4px}.BoundaryFirstChess-module__BV9ySq__chessSquareDark .BoundaryFirstChess-module__BV9ySq__chessCoordinate{color:#ffffffa6}.BoundaryFirstChess-module__BV9ySq__chessLensReadout{background:linear-gradient(#ffffff09,#0000 28%),#111a25;border:1px solid #f0d6813d;flex-direction:column;justify-content:center;min-width:0;padding:clamp(16px,2.2vw,28px);display:flex}.BoundaryFirstChess-module__BV9ySq__chessLensReadout h2{color:#fff;letter-spacing:-.035em;margin:11px 0 12px;font-family:Georgia,Times New Roman,serif;font-size:clamp(1.45rem,2vw,2.25rem);font-weight:500;line-height:.98}.BoundaryFirstChess-module__BV9ySq__chessLensReadout>span{color:#aeb7c1;font-size:.72rem;line-height:1.52}.BoundaryFirstChess-module__BV9ySq__chessLensReadout blockquote{color:#f0d98e;border-top:1px solid #f0d6813d;margin:22px 0 0;padding:14px 0 0;font-family:Georgia,Times New Roman,serif;font-size:.88rem;line-height:1.42}.BoundaryFirstChess-module__BV9ySq__chessLensReadout small{color:#74808d;margin-top:18px;font-size:.58rem;line-height:1.4}.BoundaryFirstChess-module__BV9ySq__chessMethodSection,.BoundaryFirstChess-module__BV9ySq__chessFieldGuideSection,.BoundaryFirstChess-module__BV9ySq__chessAnalyzerSection,.BoundaryFirstChess-module__BV9ySq__chessEvidenceSection,.BoundaryFirstChess-module__BV9ySq__chessReleaseSection{scroll-margin-top:62px}.BoundaryFirstChess-module__BV9ySq__chessMethodSection{background:radial-gradient(circle at 84% 20%,#c6a14c1f,#0000 24%),#efe9dc;padding:clamp(54px,7vw,100px) clamp(28px,7vw,112px)}.BoundaryFirstChess-module__BV9ySq__chessStatement{max-width:1100px}.BoundaryFirstChess-module__BV9ySq__chessStatement blockquote{color:#111923;letter-spacing:-.055em;max-width:1080px;margin:12px 0 18px;font-family:Georgia,Times New Roman,serif;font-size:clamp(2.5rem,5.4vw,6.7rem);line-height:.92}.BoundaryFirstChess-module__BV9ySq__chessStatement>span{color:#55606b;max-width:760px;font-size:.9rem;line-height:1.6;display:block}.BoundaryFirstChess-module__BV9ySq__chessGrammarRail{background:#25303c;border:1px solid #25303c;grid-template-columns:repeat(5,minmax(0,1fr));gap:1px;margin-top:48px;display:grid}.BoundaryFirstChess-module__BV9ySq__chessGrammarRail article{background:#fbf7ee;min-height:210px;padding:20px 18px}.BoundaryFirstChess-module__BV9ySq__chessGrammarRail article>span{color:#92731f;font:800 .5rem/1 ui-monospace,SFMono-Regular,Menlo,monospace}.BoundaryFirstChess-module__BV9ySq__chessGrammarRail strong{color:#121a24;margin:34px 0 10px;font-family:Georgia,Times New Roman,serif;font-size:1.25rem;display:block}.BoundaryFirstChess-module__BV9ySq__chessGrammarRail p{color:#5e6872;margin:0;font-size:.72rem;line-height:1.5}.BoundaryFirstChess-module__BV9ySq__chessSeeingCourse{border-top:1px solid #1d2732;border-bottom:1px solid #1d2732;grid-template-columns:auto minmax(0,1fr) auto;align-items:baseline;gap:24px;margin-top:28px;padding:18px 22px;display:grid}.BoundaryFirstChess-module__BV9ySq__chessSeeingCourse span{color:#92731f;letter-spacing:.13em;font:800 .49rem/1 ui-monospace,SFMono-Regular,Menlo,monospace}.BoundaryFirstChess-module__BV9ySq__chessSeeingCourse strong,.BoundaryFirstChess-module__BV9ySq__chessSeeingCourse em{color:#1b2430;font-family:Georgia,Times New Roman,serif;font-size:clamp(1rem,1.6vw,1.5rem);font-weight:500}.BoundaryFirstChess-module__BV9ySq__chessSeeingCourse em{color:#80641d}.BoundaryFirstChess-module__BV9ySq__chessFieldGuideSection{background:linear-gradient(90deg,#ffffff80,#0000 30%),#d9d0bd;padding:clamp(56px,7vw,104px) clamp(28px,7vw,112px)}.BoundaryFirstChess-module__BV9ySq__chessSectionLead,.BoundaryFirstChess-module__BV9ySq__chessAnalyzerLead{grid-template-columns:minmax(180px,.3fr) minmax(0,.95fr) minmax(260px,.65fr);align-items:end;gap:30px;margin-bottom:34px;display:grid}.BoundaryFirstChess-module__BV9ySq__chessSectionLead h2,.BoundaryFirstChess-module__BV9ySq__chessAnalyzerLead h2,.BoundaryFirstChess-module__BV9ySq__chessEvidenceHeader h2,.BoundaryFirstChess-module__BV9ySq__chessReleaseCopy h2{color:#111923;letter-spacing:-.05em;margin:0;font-family:Georgia,Times New Roman,serif;font-size:clamp(2.4rem,4.2vw,5.3rem);font-weight:500;line-height:.92}.BoundaryFirstChess-module__BV9ySq__chessSectionLead>span,.BoundaryFirstChess-module__BV9ySq__chessAnalyzerLead>span{color:#56616c;font-size:.8rem;line-height:1.58}.BoundaryFirstChess-module__BV9ySq__chessGuideDesk{background:repeating-linear-gradient(0deg,#ffffff09 0 1px,#0000 1px 12px),#27313b;border:1px solid #252d36;grid-template-columns:minmax(300px,.72fr) minmax(0,1.28fr);align-items:stretch;gap:18px;padding:18px;display:grid;box-shadow:0 18px 42px #1f252b29}.BoundaryFirstChess-module__BV9ySq__chessGuideCover{color:#fff;background:radial-gradient(circle at 72% 18%,#e5c5692e,#0000 26%),linear-gradient(145deg,#192432,#0a1017 72%);border:1px solid #f0d6816b;flex-direction:column;justify-content:flex-end;min-height:520px;padding:34px;display:flex;position:relative;overflow:hidden}.BoundaryFirstChess-module__BV9ySq__chessGuideCover:before{content:"";pointer-events:none;border:1px solid #f0d68138;position:absolute;inset:22px}.BoundaryFirstChess-module__BV9ySq__chessGuideCover small{z-index:2;color:#e7cc7d;letter-spacing:.16em;margin-bottom:auto;font:800 .55rem/1 ui-monospace,SFMono-Regular,Menlo,monospace;position:relative}.BoundaryFirstChess-module__BV9ySq__chessGuideCover strong{z-index:2;letter-spacing:-.05em;max-width:440px;font-family:Georgia,Times New Roman,serif;font-size:clamp(2.4rem,4.2vw,5.2rem);font-weight:500;line-height:.9;position:relative}.BoundaryFirstChess-module__BV9ySq__chessGuideCover>span{z-index:2;color:#d2b861;letter-spacing:.1em;margin-top:24px;font:800 .48rem/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;position:relative}.BoundaryFirstChess-module__BV9ySq__chessGuideMark{color:#f0d68129;font-size:clamp(8rem,14vw,15rem);line-height:1;position:absolute;top:66px;right:34px}.BoundaryFirstChess-module__BV9ySq__chessGuideObjects{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.BoundaryFirstChess-module__BV9ySq__chessGuideObjects article{background:linear-gradient(#ffffffb3,#0000 35%),#e9e0cf;border:1px solid #7d7668;flex-direction:column;min-height:250px;padding:20px;display:flex}.BoundaryFirstChess-module__BV9ySq__chessGuideObjects article>span{color:#8a6d21;font:800 .5rem/1 ui-monospace,SFMono-Regular,Menlo,monospace}.BoundaryFirstChess-module__BV9ySq__chessGuideObjects article small{color:#65707a;letter-spacing:.1em;margin-top:10px;font:800 .47rem/1 ui-monospace,SFMono-Regular,Menlo,monospace}.BoundaryFirstChess-module__BV9ySq__chessGuideObjects article strong{color:#151d26;margin-top:auto;padding-top:26px;font-family:Georgia,Times New Roman,serif;font-size:1.35rem}.BoundaryFirstChess-module__BV9ySq__chessGuideObjects article p{color:#5c646d;margin:9px 0 0;font-size:.72rem;line-height:1.5}.BoundaryFirstChess-module__BV9ySq__chessAnalyzerSection{color:#fff;background:radial-gradient(circle at 14% 16%,#c6a14c1c,#0000 22%),#111925;padding:clamp(56px,7vw,104px) clamp(28px,7vw,112px)}.BoundaryFirstChess-module__BV9ySq__chessAnalyzerLead h2{color:#fff}.BoundaryFirstChess-module__BV9ySq__chessAnalyzerLead>span{color:#aeb8c3}.BoundaryFirstChess-module__BV9ySq__chessAnalyzerStack{gap:8px;max-width:1120px;margin-left:auto;display:grid}.BoundaryFirstChess-module__BV9ySq__chessAnalyzerStack details{background:#ffffff09;border:1px solid #f0d68136}.BoundaryFirstChess-module__BV9ySq__chessAnalyzerStack summary{cursor:pointer;grid-template-columns:180px minmax(0,1fr) auto;align-items:center;gap:18px;min-height:68px;padding:12px 18px;list-style:none;display:grid}.BoundaryFirstChess-module__BV9ySq__chessAnalyzerStack summary::-webkit-details-marker{display:none}.BoundaryFirstChess-module__BV9ySq__chessAnalyzerStack summary span{color:#e2c66f;letter-spacing:.1em;font:800 .5rem/1 ui-monospace,SFMono-Regular,Menlo,monospace}.BoundaryFirstChess-module__BV9ySq__chessAnalyzerStack summary strong{font-family:Georgia,Times New Roman,serif;font-size:1rem;font-weight:500}.BoundaryFirstChess-module__BV9ySq__chessAnalyzerStack summary i{color:#e2c66f;font-family:Arial,sans-serif;font-size:1.2rem;font-style:normal}.BoundaryFirstChess-module__BV9ySq__chessAnalyzerStack details[open] summary i{transform:rotate(45deg)}.BoundaryFirstChess-module__BV9ySq__chessAnalyzerStack details p{color:#aeb8c3;max-width:780px;margin:0;padding:0 18px 20px 216px;font-size:.75rem;line-height:1.55}.BoundaryFirstChess-module__BV9ySq__chessEvidenceSection{background:#f4efe4;padding:clamp(56px,7vw,104px) clamp(28px,7vw,112px)}.BoundaryFirstChess-module__BV9ySq__chessEvidenceHeader{border-bottom:1px solid #8a8170;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);align-items:end;gap:46px;padding-bottom:30px;display:grid}.BoundaryFirstChess-module__BV9ySq__chessEvidenceHeader blockquote{color:#5b4c24;border-left:5px solid #c3a34f;margin:0;padding-left:24px;font-family:Georgia,Times New Roman,serif;font-size:1.15rem;line-height:1.38}.BoundaryFirstChess-module__BV9ySq__chessEvidenceBody{grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);gap:18px;margin-top:22px;display:grid}.BoundaryFirstChess-module__BV9ySq__chessEvidenceGates{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}.BoundaryFirstChess-module__BV9ySq__chessEvidenceGates article{background:#fffaf0;border:1px solid #837b6d;min-height:160px;padding:18px}.BoundaryFirstChess-module__BV9ySq__chessEvidenceGates article>span{color:#8a6d21;font:800 .5rem/1 ui-monospace,SFMono-Regular,Menlo,monospace}.BoundaryFirstChess-module__BV9ySq__chessEvidenceGates strong{color:#17202a;margin:22px 0 7px;font-family:Georgia,Times New Roman,serif;font-size:1.08rem;display:block}.BoundaryFirstChess-module__BV9ySq__chessEvidenceGates p{color:#626b73;margin:0;font-size:.72rem;line-height:1.5}.BoundaryFirstChess-module__BV9ySq__chessClaimFirewall{background:repeating-linear-gradient(135deg,#b45d350e 0 8px,#0000 8px 16px),#fff7ef;border:1px solid #7c4d35;border-top:6px solid #b45d35;padding:20px}.BoundaryFirstChess-module__BV9ySq__chessClaimFirewall>p{color:#9c4e2d}.BoundaryFirstChess-module__BV9ySq__chessClaimFirewall>span{color:#6f5447;border-bottom:1px solid #7c4d352e;padding:11px 0;font-size:.72rem;display:block}.BoundaryFirstChess-module__BV9ySq__chessClaimFirewall>span:last-child{border-bottom:0}.BoundaryFirstChess-module__BV9ySq__chessReleaseSection{color:#fff;background:#0c121a;grid-template-columns:minmax(280px,.55fr) minmax(0,1.45fr);min-height:520px;display:grid}.BoundaryFirstChess-module__BV9ySq__chessReleaseState{background:radial-gradient(circle at 22% 18%,#c6a14c24,#0000 28%),#111a25;border-right:1px solid #f0d68133;flex-direction:column;justify-content:space-between;padding:clamp(34px,5vw,70px);display:flex}.BoundaryFirstChess-module__BV9ySq__chessReleaseState strong{color:#d7dde4;max-width:420px;font-family:Georgia,Times New Roman,serif;font-size:clamp(1.5rem,2.2vw,2.5rem);font-weight:500;line-height:1.05}.BoundaryFirstChess-module__BV9ySq__chessReleaseCopy{flex-direction:column;justify-content:center;padding:clamp(46px,7vw,100px);display:flex}.BoundaryFirstChess-module__BV9ySq__chessReleaseCopy h2{color:#fff;max-width:1000px}.BoundaryFirstChess-module__BV9ySq__chessReleaseCopy>p:not(:first-child){color:#aeb8c3;max-width:760px;margin:22px 0 0;font-size:.86rem;line-height:1.62}.BoundaryFirstChess-module__BV9ySq__chessReleaseActions{flex-wrap:wrap;gap:18px 28px;margin-top:34px;display:flex}.BoundaryFirstChess-module__BV9ySq__chessReleaseActions a{color:#f0d98e;border-bottom:1px solid #c6a14c;align-items:center;gap:12px;padding-bottom:5px;font-family:Georgia,Times New Roman,serif;font-size:.83rem;display:inline-flex}@media (hover:hover) and (pointer:fine){.BoundaryFirstChess-module__BV9ySq__chessLensControls button:hover:not([aria-pressed=true]){color:#fff;border-color:#f0d6818c}.BoundaryFirstChess-module__BV9ySq__chessGuideObjects article:hover{transform:translateY(-2px);box-shadow:0 8px 18px #0000001f}}@media (prefers-reduced-motion:reduce){.BoundaryFirstChess-module__BV9ySq__chessSquare,.BoundaryFirstChess-module__BV9ySq__chessGuideObjects article{transition:none}}@media (max-width:1040px){.BoundaryFirstChess-module__BV9ySq__chessBoardStage,.BoundaryFirstChess-module__BV9ySq__chessGuideDesk,.BoundaryFirstChess-module__BV9ySq__chessEvidenceBody,.BoundaryFirstChess-module__BV9ySq__chessReleaseSection,.BoundaryFirstChess-module__BV9ySq__chessSectionLead,.BoundaryFirstChess-module__BV9ySq__chessAnalyzerLead{grid-template-columns:1fr}.BoundaryFirstChess-module__BV9ySq__chessGrammarRail{grid-template-columns:repeat(2,minmax(0,1fr))}.BoundaryFirstChess-module__BV9ySq__chessGrammarRail article:last-child{grid-column:1/-1}.BoundaryFirstChess-module__BV9ySq__chessReleaseState{border-bottom:1px solid #f0d68133;border-right:0;min-height:300px}}@media (max-width:720px){.BoundaryFirstChess-module__BV9ySq__chessInstrument{padding:9px}.BoundaryFirstChess-module__BV9ySq__chessLensControls{grid-template-columns:repeat(3,minmax(0,1fr))}.BoundaryFirstChess-module__BV9ySq__chessBoardStage{gap:18px}.BoundaryFirstChess-module__BV9ySq__chessPiece{font-size:clamp(1.35rem,8vw,2.45rem)}.BoundaryFirstChess-module__BV9ySq__chessMethodSection,.BoundaryFirstChess-module__BV9ySq__chessFieldGuideSection,.BoundaryFirstChess-module__BV9ySq__chessAnalyzerSection,.BoundaryFirstChess-module__BV9ySq__chessEvidenceSection{padding-left:22px;padding-right:22px}.BoundaryFirstChess-module__BV9ySq__chessStatement blockquote{font-size:clamp(2.2rem,11vw,4.2rem)}.BoundaryFirstChess-module__BV9ySq__chessGrammarRail,.BoundaryFirstChess-module__BV9ySq__chessGuideObjects,.BoundaryFirstChess-module__BV9ySq__chessEvidenceGates{grid-template-columns:1fr}.BoundaryFirstChess-module__BV9ySq__chessGrammarRail article:last-child{grid-column:auto}.BoundaryFirstChess-module__BV9ySq__chessSeeingCourse{grid-template-columns:1fr;gap:10px}.BoundaryFirstChess-module__BV9ySq__chessGuideCover{min-height:430px;padding:28px}.BoundaryFirstChess-module__BV9ySq__chessEvidenceHeader{grid-template-columns:1fr}.BoundaryFirstChess-module__BV9ySq__chessAnalyzerStack summary{grid-template-columns:1fr auto}.BoundaryFirstChess-module__BV9ySq__chessAnalyzerStack summary span{grid-column:1/-1}.BoundaryFirstChess-module__BV9ySq__chessAnalyzerStack details p{padding:0 18px 20px}.BoundaryFirstChess-module__BV9ySq__chessReleaseCopy,.BoundaryFirstChess-module__BV9ySq__chessReleaseState{padding:42px 22px}}
