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auto;min-width:0;font-weight:600;overflow:hidden}.buildUnder__moves{text-overflow:ellipsis;font-variant-numeric:tabular-nums;flex:auto;min-width:0;overflow:hidden}.buildUnder__last{background:var(--good);color:var(--surface);border-radius:4px;padding:1px 4px;font-weight:700}.buildUnder__actions{flex:none;justify-content:flex-end}.buildUnder__actions>*{align-items:center;display:inline-flex}[data-build-column=panel] .explorerTable tbody td:first-child{white-space:normal}@media (max-width:479px){[data-build-column=panel] .explorerMoveInfo{min-width:6.5rem}[data-build-column=panel] .wdlBar{min-width:96px}}.buildUnder__line{flex:auto}@media (max-width:817px){.buildUnder [data-build-actions=board]{display:none}}@media (min-width:818px){.buildBack [data-build-actions=panel]{display:none}}.buildBack{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:0 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tr.paused .ownMoveNote{color:var(--muted)}.buildModePanel,.ownMovePanel{flex-direction:column;gap:8px;display:flex}.ownMoveField{box-sizing:border-box;resize:vertical;width:100%;min-height:6rem}.ownMoveCount--over,.ownMoveError{color:var(--bad)}.ownMoveError{margin:0}.ownMovePoints{flex-direction:column;gap:4px;margin:0;padding-left:1.25rem;display:flex}.buildBar:disabled{cursor:default;opacity:.6}.buildBar--danger{color:var(--bad);border-color:var(--bad)}.buildBar--quiet{background:0 0}.buildTitle:focus:not(:focus-visible){outline:none}:root[data-build-switch] 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a{color:var(--accent)}.dbGameRating{color:var(--muted);font-family:var(--mono);font-variant-numeric:tabular-nums}.dbGameResult{font-family:var(--mono);white-space:nowrap;font-weight:600}.dbGameMeta{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;flex-basis:100%;font-size:11px;overflow:hidden}.dbMyGamesTable{border-collapse:collapse;width:100%;font-size:12px}.dbMyGamesTable th{text-align:left;color:var(--muted);padding:2px 6px;font-size:11px;font-weight:500}.dbMyGamesTable td{border-top:1px solid var(--separator);vertical-align:baseline;padding:4px 6px}.dbMyGamesOpponent{overflow-wrap:anywhere;min-width:0}.dbMyGamesOpponent a{color:var(--accent)}.dbMyGamesMeta{color:var(--muted);white-space:nowrap;font-size:11px}.fxCue{box-sizing:border-box;opacity:0;pointer-events:none;animation-timing-function:ease-out;animation-iteration-count:1;animation-fill-mode:both;position:absolute}.fxCue[data-fx=flash-good]{animation-name:fxFlashGood}.fxCue[data-fx=check]{animation-name:fxCheck;container-type:size}.fxCue[data-fx=flash-soft]{animation-name:fxFlashSoft}.fxCue[data-fx=flash-bad]{animation-name:fxFlashBad}.fxCue[data-fx=pulse]{animation-name:fxPulse}.fxCue[data-fx=edge]{animation-name:fxEdge}.fxCue[data-fx=pop]{animation-name:fxPop}.fxCue[data-fx=ghost]{animation-name:fxGhost;animation-timing-function:ease-in-out}@keyframes fxFlashGood{0%{opacity:0;box-shadow:inset 0 0 0 0 color-mix(in srgb, var(--good) 45%, transparent)}35%{opacity:1;box-shadow:inset 0 0 0 5px color-mix(in srgb, var(--good) 45%, transparent)}to{opacity:0;box-shadow:inset 0 0 0 5px color-mix(in srgb, var(--good) 0%, transparent)}}@keyframes fxCheck{0%{opacity:0;transform:scale(.6)}30%{opacity:1;transform:scale(1)}75%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(1)}}@keyframes fxFlashSoft{0%{opacity:0;box-shadow:inset 0 0 0 0 color-mix(in srgb, var(--good) 30%, transparent)}35%{opacity:1;box-shadow:inset 0 0 0 4px color-mix(in srgb, var(--good) 30%, transparent)}to{opacity:0;box-shadow:inset 0 0 0 4px color-mix(in srgb, var(--good) 0%, transparent)}}@keyframes fxFlashBad{0%{opacity:0;box-shadow:inset 0 0 0 0 color-mix(in srgb, var(--bad) 45%, transparent)}35%{opacity:1;box-shadow:inset 0 0 0 5px color-mix(in srgb, var(--bad) 45%, transparent)}to{opacity:0;box-shadow:inset 0 0 0 5px color-mix(in srgb, var(--bad) 0%, transparent)}}@keyframes fxPulse{0%{opacity:0;box-shadow:inset 0 0 0 2px var(--muted)}50%{opacity:1;box-shadow:inset 0 0 0 5px var(--muted)}to{opacity:0;box-shadow:inset 0 0 0 5px var(--muted)}}@keyframes fxEdge{0%{opacity:0;box-shadow:inset 0 0 0 0 color-mix(in srgb, var(--good) 45%, transparent)}40%{opacity:1;box-shadow:inset 0 0 0 6px color-mix(in srgb, var(--good) 45%, transparent)}to{opacity:0;box-shadow:inset 0 0 0 6px color-mix(in srgb, var(--good) 0%, transparent)}}@keyframes fxPop{0%{opacity:0;box-shadow:inset 0 0 0 3px color-mix(in srgb, var(--foreground) 35%, transparent);transform:scale(.8)}45%{opacity:1;transform:scale(1)}to{opacity:0;box-shadow:inset 0 0 0 3px color-mix(in srgb, var(--foreground) 35%, transparent);transform:scale(1.08)}}@keyframes fxGhost{0%{opacity:0;transform:translate(0)}15%{opacity:.5;transform:translate(0)}85%{opacity:.5;transform:translate(calc(var(--fx-dx,0) * 100%), calc(var(--fx-dy,0) * 100%))}to{opacity:0;transform:translate(calc(var(--fx-dx,0) * 100%), calc(var(--fx-dy,0) * 100%))}}.fxGhostDot{background:color-mix(in srgb, var(--foreground) 45%, transparent);border-radius:50%;width:40%;height:40%;margin:30%;display:block}@keyframes fxShakeA{0%{transform:translate(0)}20%{transform:translate(-6%)}45%{transform:translate(5%)}70%{transform:translate(-3%)}to{transform:translate(0)}}@keyframes fxShakeB{0%{transform:translate(0)}20%{transform:translate(-6%)}45%{transform:translate(5%)}70%{transform:translate(-3%)}to{transform:translate(0)}}.fxBurstDot{opacity:0;pointer-events:none;border-radius:50%;width:6px;height:6px;animation-name:fxBurst;animation-timing-function:ease-out;animation-iteration-count:1;animation-fill-mode:both;position:absolute;top:-3px;left:-3px}@keyframes fxBurst{0%{opacity:0;transform:rotate(var(--fx-angle,0deg)) translateX(0) scale(.6)}15%{opacity:1}to{opacity:0;transform:rotate(var(--fx-angle,0deg)) translateX(34px) scale(1)}}.fxEnter{animation-name:fxEnter;animation-timing-function:ease-out;animation-iteration-count:1;animation-fill-mode:backwards}@keyframes fxEnter{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.fxCheckMark{background:var(--good);width:34%;height:34%;color:var(--background);border-radius:50%;justify-content:center;align-items:center;font-size:22cqw;font-weight:700;line-height:1;display:flex;position:absolute;top:6%;right:6%}@media (prefers-reduced-motion:reduce){.fxCue,.fxBurstDot{animation:none;display:none}.fxEnter{animation:none}}.practiceScreen{flex-wrap:wrap;align-items:flex-start;gap:24px;display:flex}.practiceBoard{flex:360px;min-width:280px;max-width:560px}.practicePanel{flex-direction:column;flex:320px;gap:12px;min-width:280px;display:flex}.practiceBoard{touch-action:pinch-zoom}@media (max-width:700px){.trainingPractice{--practice-bar:69px;--practice-legal:44px;padding:var(--practice-bar) 0 0;gap:0;min-height:100dvh}.trainingPractice>.header,.trainingPractice>.card[role=note]{display:none!important}.trainingPractice>.practiceScreen{height:calc(100dvh - var(--practice-bar) - var(--practice-legal));min-height:0;box-shadow:none;background:0 0;border:0;border-radius:0;flex-flow:column;align-items:stretch;gap:0;padding:0}.practiceBoard{min-width:0;max-width:none;width:min(100%, calc(100dvh - var(--practice-bar) - var(--practice-legal) - 150px));flex:none;margin-inline:auto}.practicePanel{overscroll-behavior:contain;flex:auto;gap:6px;min-width:0;min-height:0;padding:8px 12px 12px;overflow-y:auto}}@media (max-width:700px) and (orientation:landscape){.trainingPractice>.practiceScreen{flex-direction:row;align-items:stretch}.practiceBoard{width:min(55%, calc(100dvh - var(--practice-bar) - var(--practice-legal)));margin-inline:0}}html:has(.practiceScreen){overscroll-behavior:none}.practicePanel{--companion-w:91px;--companion-top:0px;--companion-inline:0px;--companion-reserve:calc(var(--companion-w) + 8px);position:relative}.companionSlot{top:var(--companion-top);pointer-events:none;line-height:0;position:absolute;inset-inline-end:var(--companion-inline)}.practicePanel[data-companion=on] .practiceHeaderRow,.practicePanel[data-companion=on] .practiceDemoRow,.practicePanel[data-companion=on] .practiceLiveRegion{padding-inline-end:var(--companion-reserve)}.practicePanel>*{flex-shrink:0}.practiceLiveRegion{min-height:28px}@media (max-width:700px){.practicePanel{--companion-w:57px;--companion-top:8px;--companion-inline:12px}}.companionBubble{top:var(--bubble-top,36px);border:1px solid var(--border);background:var(--surface);width:max-content;max-width:min(60vw,190px);color:var(--foreground);text-align:start;pointer-events:none;z-index:1;border-radius:10px;padding:5px 10px;font-size:13px;line-height:1.35;animation:.18s ease-out companionBubbleIn;position:absolute;inset-inline-end:calc(100% + 6px)}.companionBubble:after{content:"";background:var(--surface);border-top:1px solid var(--border);border-right:1px solid var(--border);width:8px;height:8px;position:absolute;top:9px;right:-5px;transform:rotate(45deg)}.companionBubble[data-placement=practice]{top:calc(100% + 6px);max-width:min(60vw, calc(var(--companion-reserve) + 110px));inset-inline-end:0}.companionBubble[data-placement=practice]:after{top:-5px;right:calc(var(--companion-w) / 2 - 4px);border-right:0;border-top:1px solid var(--border);border-left:1px solid var(--border)}@keyframes companionBubbleIn{0%{opacity:0}to{opacity:1}}@media (prefers-reduced-motion:reduce){.companionBubble{animation:none}}.summaryHead{justify-content:space-between;align-items:flex-start;gap:12px;min-height:180px;display:flex}.summaryRook{flex:none;width:117px;height:180px;position:relative}.summaryRook .companionSlot[data-companion-slot=summary]{top:auto;position:relative;inset-inline-end:auto}.summaryRook .companionBubble{--bubble-top:44px}@media (max-width:700px){.summaryHead{min-height:140px}.summaryRook{width:91px;height:140px}.summaryRook .companionBubble{--bubble-top:36px;max-width:min(55vw,180px)}}.readH1{margin-bottom:1rem;font-size:1.5rem}.readH1--lead{margin-bottom:.5rem}.readH1--plain{margin-bottom:1.5rem}.readH1--legal{margin-bottom:1.5rem;font-size:1.4rem}.readH2{margin:2rem 0 .75rem;font-size:1.1rem;font-weight:600}.readSection{margin-top:1.5rem}.readH2--section{margin-bottom:.4rem;font-size:1.1rem;font-weight:600}.readH3{margin-bottom:.4rem;font-size:1rem;font-weight:600}.readLead{color:var(--muted);margin-bottom:1.5rem}.readCrumbs{color:var(--muted);margin-bottom:.5rem;font-size:.85rem}.readP{margin:.5rem 0}.readList{margin:.5rem 0;padding-left:1.25rem}.readNote{color:var(--muted);margin-top:1.5rem;font-size:.85rem}.readBack{margin-top:2rem}.readBack--late{margin-top:2.5rem}.readTail{margin-top:2rem}.readFaq{margin:.4rem 0}.readFaq__q{cursor:pointer;font-weight:600}.readFaq__a{margin:.4rem 0 .6rem}.legalH2{margin:1.25rem 0 .4rem;font-size:1rem;font-weight:600}.legalH2--first{margin-top:.83em;margin-bottom:.4rem}.legalMuted{color:var(--muted);font-size:.9rem}.legalMuted--next{margin-top:.75rem}.legalNotice{color:var(--muted);margin-bottom:1.25rem;font-size:.85rem}