.sk-page{--sk-card:#fff;--sk-l:#f0e2c6;--sk-d:#b58863;--sk-frame:#3b2a1f;--sk-shadow:0 22px 48px -30px rgba(10,10,20,.45);--sk-ok-bg:#e7f5ed;--sk-ok:#0f6a3a;--sk-bad-bg:#fdecec;--sk-bad:#a30000;overflow-x:clip}
html[data-theme="dark"] .sk-page{--sk-card:#161618;--sk-l:#dcc8a6;--sk-d:#a27a55;--sk-frame:#2b1f17;--sk-shadow:none;--sk-ok-bg:rgba(47,191,113,.16);--sk-ok:#86e3ae;--sk-bad-bg:rgba(230,57,70,.18);--sk-bad:#ffa3aa}
.sk-page [hidden]{display:none!important}

.sk-hero{background:linear-gradient(180deg,var(--color-bg-soft) 0%,var(--color-bg-soft) 70%,var(--color-bg) 100%);padding:24px 0 36px;border-bottom:1px solid var(--color-hairline)}
.sk-hero__in{--sk-bw:clamp(492px,calc(100vh - 236px),732px);display:grid;grid-template-columns:minmax(0,var(--sk-bw)) minmax(600px,1fr);grid-template-rows:auto minmax(0,1fr);grid-template-areas:"play top" "play side";gap:16px 36px;align-items:start}
.sk-top{grid-area:top;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);grid-template-areas:"title ph";min-width:0;min-height:206px}
.sk-title{grid-area:title;min-width:0;padding:2px 18px 0 0}
.sk-ph{grid-area:ph;position:relative;min-width:0;overflow:hidden;border-radius:18px}
.sk-ph img{position:absolute;inset:0;display:block;width:100%;height:100%;object-fit:cover;object-position:50% 50%;-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 40%);mask-image:linear-gradient(90deg,transparent 0,#000 40%)}
html[data-theme="dark"] .sk-ph img{opacity:.86}
.sk-play{grid-area:play;min-width:0;padding:6px}
.sk-side{grid-area:side;min-width:0;align-self:stretch}
.sk-eyebrow{margin:0 0 8px;font-size:12px;font-weight:800;letter-spacing:.08em;color:var(--color-brand)}
.sk-title h1{margin:0 0 10px;font-size:clamp(32px,2.9vw,46px);line-height:1;letter-spacing:-.025em;font-weight:900;color:var(--color-ink);text-wrap:balance}
.sk-sub{margin:0;font-size:15px;line-height:1.5;color:var(--color-muted)}

.sk-boardbox{position:relative;width:100%;aspect-ratio:1/1}
.sk-board{position:absolute;inset:0;border-radius:6px;box-shadow:0 0 0 6px var(--sk-frame),0 16px 34px rgba(0,0,0,.22);user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;touch-action:manipulation;-webkit-tap-highlight-color:transparent}
.sk-sqs{position:absolute;inset:0;display:grid;grid-template-columns:repeat(8,minmax(0,1fr));grid-template-rows:repeat(8,minmax(0,1fr));border-radius:6px;overflow:hidden}
.sk-sq{position:relative;min-width:0}
.sk-l{background-color:var(--sk-l)}
.sk-d{background-color:var(--sk-d)}
.sk-cr,.sk-cf{position:absolute;font-size:clamp(9px,1.25vw,12px);font-weight:800;line-height:1;pointer-events:none;font-family:var(--font-body)}
.sk-cr{left:3px;top:3px}
.sk-cf{right:3px;bottom:3px}
.sk-l .sk-cr,.sk-l .sk-cf{color:var(--sk-d)}
.sk-d .sk-cr,.sk-d .sk-cf{color:var(--sk-l)}
.sk-sq.is-last{background-image:linear-gradient(rgba(178,0,0,.24),rgba(178,0,0,.24))}
.sk-sq.is-hint{background-image:linear-gradient(rgba(25,105,215,.45),rgba(25,105,215,.45))}
.sk-sq.is-sel{background-image:linear-gradient(rgba(20,120,70,.5),rgba(20,120,70,.5))}
.sk-sq.is-check{background-image:radial-gradient(circle,rgba(255,30,30,1) 0,rgba(235,0,0,.75) 32%,rgba(200,0,0,0) 74%)}
.sk-sq.is-over{box-shadow:inset 0 0 0 4px rgba(255,255,255,.75)}
.sk-sq.is-dot::after{content:"";position:absolute;left:36%;top:36%;width:28%;height:28%;border-radius:50%;background:rgba(0,0,0,.24)}
.sk-sq.is-cap::after{content:"";position:absolute;inset:0;background:radial-gradient(circle,transparent 0,transparent 70%,rgba(0,0,0,.28) 71%)}
.sk-pcs{position:absolute;inset:0;pointer-events:none;z-index:2}
.sk-p{position:absolute;left:0;top:0;width:12.5%;height:12.5%;background:center/100% 100% no-repeat;transform:translate(calc(var(--x) * 100%),calc(var(--y) * 100%));transition:transform .22s cubic-bezier(.2,.7,.3,1),opacity .15s;pointer-events:auto;z-index:1}
.sk-p.is-drag{transition:none;z-index:6;cursor:grabbing;filter:drop-shadow(0 8px 8px rgba(0,0,0,.35))}
.sk-p.is-move{z-index:4}
.sk-p.is-gone{opacity:0}
.sk-board.is-live[data-me="w"] .sk-pw,.sk-board.is-live[data-me="b"] .sk-pb{touch-action:none;cursor:grab}
.sk-wK{background-image:url(../images/skaki/wK.svg)}
.sk-wQ{background-image:url(../images/skaki/wQ.svg)}
.sk-wR{background-image:url(../images/skaki/wR.svg)}
.sk-wB{background-image:url(../images/skaki/wB.svg)}
.sk-wN{background-image:url(../images/skaki/wN.svg)}
.sk-wP{background-image:url(../images/skaki/wP.svg)}
.sk-bK{background-image:url(../images/skaki/bK.svg)}
.sk-bQ{background-image:url(../images/skaki/bQ.svg)}
.sk-bR{background-image:url(../images/skaki/bR.svg)}
.sk-bB{background-image:url(../images/skaki/bB.svg)}
.sk-bN{background-image:url(../images/skaki/bN.svg)}
.sk-bP{background-image:url(../images/skaki/bP.svg)}

.sk-promo{position:absolute;inset:0;z-index:20;background:rgba(10,10,12,.5);border-radius:6px}
.sk-promo__col{position:absolute;width:12.5%;display:flex;flex-direction:column;gap:0}
.sk-promo__col button{display:block;width:100%;aspect-ratio:1/1;border:0;padding:0;border-radius:50%;background-color:#fff;background-position:center;background-size:86% 86%;background-repeat:no-repeat;box-shadow:0 4px 12px rgba(0,0,0,.35);cursor:pointer;transition:transform .12s,background-color .12s}
.sk-promo__col button:hover,.sk-promo__col button:focus-visible{background-color:#ffe7a8;transform:scale(1.04);outline:0}

.sk-over{position:absolute;inset:0;z-index:15;display:grid;place-items:center;padding:16px;background:rgba(12,12,14,.42);border-radius:6px}
.sk-over__card{display:grid;gap:6px;width:100%;max-width:330px;padding:20px 18px 16px;border-radius:18px;background:var(--sk-card);color:var(--color-ink);text-align:center;box-shadow:0 22px 50px rgba(0,0,0,.38)}
.sk-over__k{margin:0;font-size:11px;font-weight:800;letter-spacing:.09em;color:var(--color-brand)}
.sk-over__t{margin:0;font-size:28px;font-weight:900;line-height:1.1}
.sk-over__d{margin:0 0 6px;font-size:14px;line-height:1.45;color:var(--color-muted)}
.sk-over__q{margin:6px 0 2px;font-size:12px;font-weight:800;color:var(--color-meta)}
.sk-over__c,.sk-newbox__c{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}
.sk-over__c button,.sk-newbox__c button{min-height:44px;border:0;border-radius:12px;background:var(--color-ink);color:var(--color-bg);font-size:14px;font-weight:800}
.sk-over__c button:hover,.sk-newbox__c button:hover{background:var(--color-brand);color:#fff}
.sk-over__x{min-height:44px;margin-top:4px;border:0;background:transparent;color:var(--color-muted);font-size:14px;font-weight:700;text-decoration:underline;text-underline-offset:3px}

.sk-side{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 18px;padding:16px;background:var(--sk-card);border:1px solid var(--color-border);border-radius:18px;box-shadow:var(--sk-shadow)}
.sk-side__a,.sk-side__b{display:flex;flex-direction:column;gap:14px;min-width:0}
.sk-side__b .sk-moves{display:flex;flex-direction:column;flex:1 1 auto;min-height:0}
.sk-who{display:grid;gap:6px}
.sk-who__row{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:44px;padding:8px 12px;border-radius:12px;background:var(--color-bg-soft);color:var(--color-ink);font-size:14px}
.sk-who__n{min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sk-who__row b{font-weight:800}
.sk-who__row em{display:inline-flex;align-items:center;gap:6px;font-style:normal;font-size:13px;font-weight:800;color:var(--color-muted);white-space:nowrap}
.sk-who__row.is-me{background:var(--color-ink);color:var(--color-bg)}
.sk-who__row.is-me em{color:inherit}
.sk-who__row.is-turn em::before{content:"";width:8px;height:8px;border-radius:50%;background:#2fbf71;box-shadow:0 0 0 3px rgba(47,191,113,.25)}
.sk-who__row.is-think em::before{background:#f2a516;box-shadow:0 0 0 3px rgba(242,165,22,.25);animation:sk-pulse 1s ease-in-out infinite}
@keyframes sk-pulse{50%{opacity:.35}}
.sk-note{margin:-4px 2px 0;min-height:2.9em;font-size:13.5px;line-height:1.45;color:var(--color-muted)}
.sk-note b{color:var(--color-ink)}
.sk-k{margin:0 0 6px;font-size:11px;font-weight:800;letter-spacing:.08em;color:var(--color-meta)}
.sk-lv__b{display:flex;gap:4px}
.sk-lv__b button{flex:1;min-width:0;min-height:44px;border:0;border-radius:10px;background:var(--color-bg-soft);color:var(--color-muted);font-size:15px;font-weight:800}
.sk-lv__b button:hover{color:var(--color-ink)}
.sk-lv__b button[aria-checked="true"]{background:var(--color-brand);color:#fff}
.sk-ml{display:block;flex:1 1 auto;height:0;min-height:168px;margin:0;padding:6px;overflow-y:auto;list-style:none;background:var(--color-bg-soft);border-radius:12px;font-size:14px;font-variant-numeric:tabular-nums;overscroll-behavior:contain}
.sk-ml li{display:grid;grid-template-columns:34px minmax(0,1fr) minmax(0,1fr);gap:4px;align-items:center;min-height:26px}
.sk-ml li span{padding:2px 6px;border-radius:6px;color:var(--color-ink);font-weight:600;white-space:nowrap}
.sk-ml li .sk-ml__n{color:var(--color-meta);font-weight:700}
.sk-ml li .is-cur{background:rgba(178,0,0,.13);color:var(--color-ink);font-weight:800}
html[data-theme="dark"] .sk-ml li .is-cur{background:rgba(230,57,70,.22)}
.sk-ml li.sk-ml__empty{display:block;padding:6px;color:var(--color-meta);font-size:13px}
.sk-btns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}
.sk-btns button{display:flex;align-items:center;justify-content:center;gap:6px;min-width:0;min-height:44px;padding:8px 6px;border:0;border-radius:12px;background:var(--color-bg-soft);color:var(--color-ink);font-size:13.5px;font-weight:800;line-height:1.15}
.sk-btns button span{min-width:0}
.sk-btns button svg{flex:0 0 auto}
.sk-btns button:hover:not(:disabled){background:var(--color-border)}
.sk-btns button:disabled{opacity:.45;cursor:default}
.sk-btns .sk-btn-pri{grid-column:1/-1;background:var(--color-ink);color:var(--color-bg)}
.sk-btns .sk-btn-pri:hover:not(:disabled){background:var(--color-brand);color:#fff}
.sk-btns button.is-armed{background:var(--color-brand);color:#fff}
.sk-btns button.is-busy svg{animation:sk-pulse 1s ease-in-out infinite}
.sk-newbox{display:grid;gap:8px;padding:12px;border-radius:14px;background:var(--color-bg-soft)}
.sk-newbox .sk-k{margin:0}
.sk-newbox__x{min-height:40px;border:0;background:transparent;color:var(--color-muted);font-size:13.5px;font-weight:700;text-decoration:underline;text-underline-offset:3px}
.sk-stats{padding-top:12px;border-top:1px solid var(--color-hairline)}
.sk-side__b .sk-stats{padding-top:0;border-top:0}
.sk-stats__k{display:flex;align-items:baseline;justify-content:space-between;gap:8px;margin:0;font-size:13px;font-weight:700;color:var(--color-muted)}
.sk-stats__k small{font-size:12px;font-weight:700;color:var(--color-meta);white-space:nowrap}
.sk-stats__v{margin:2px 0 4px;font-size:24px;font-weight:900;color:var(--color-ink);font-variant-numeric:tabular-nums}
.sk-stats__all summary{display:flex;align-items:center;min-height:40px;font-size:13.5px;font-weight:700;color:var(--color-muted);cursor:pointer}
.sk-stats__t{width:100%;border-collapse:collapse;font-size:13.5px;font-variant-numeric:tabular-nums}
.sk-stats__t th,.sk-stats__t td{padding:6px 4px;border-top:1px solid var(--color-hairline);text-align:center;color:var(--color-ink)}
.sk-stats__t th[scope="row"],.sk-stats__t thead th:first-child{text-align:left;font-weight:700}
.sk-stats__t thead th{font-size:11px;font-weight:800;letter-spacing:.06em;color:var(--color-meta);border-top:0}

.sk-adw{min-width:0}
.sk-ad{margin:28px auto 0}

.sk-body{padding-bottom:60px}
.sk-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:6px 20px;padding-bottom:10px;margin-bottom:18px;border-bottom:2px solid var(--color-ink)}
.sk-h2{display:flex;gap:10px;align-items:center;margin:0;font-size:clamp(20px,2vw,26px);font-weight:900;color:var(--color-ink);text-wrap:balance}
.sk-h2::before{content:"//";color:var(--color-brand)}
.sk-pz{margin-top:44px}
.sk-pz__date{margin:0;font-size:14px;font-weight:700;color:var(--color-meta);font-variant-numeric:tabular-nums}
.sk-pz__in{display:grid;grid-template-columns:minmax(0,532px) minmax(0,1fr);gap:36px;align-items:stretch}
.sk-pz__boardbox{position:relative;width:calc(100% - 12px);aspect-ratio:1/1;margin:6px;align-self:start}
.sk-pz__card{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.92fr);min-width:0;overflow:hidden;background:var(--sk-card);border:1px solid var(--color-border);border-radius:18px;box-shadow:var(--sk-shadow)}
.sk-pz__body{grid-column:1;grid-row:1;display:grid;gap:12px;align-content:start;min-width:0;padding:22px}
.sk-pz__ph{grid-column:2;grid-row:1;position:relative;min-width:0;min-height:240px}
.sk-pz__ph img{position:absolute;inset:0;display:block;width:100%;height:100%;object-fit:cover;object-position:58% 50%;-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 42%);mask-image:linear-gradient(90deg,transparent 0,#000 42%)}
html[data-theme="dark"] .sk-pz__ph img{opacity:.86}
.sk-pz__type{margin:0;font-size:12px;font-weight:800;letter-spacing:.08em;color:var(--color-brand)}
.sk-pz__task{margin:0;font-size:clamp(20px,2vw,24px);line-height:1.25;font-weight:800;color:var(--color-ink);text-wrap:balance}
.sk-pz__last{margin:0;font-size:14px;color:var(--color-muted);font-variant-numeric:tabular-nums}
.sk-pz__fb{margin:0;display:flex;align-items:center;min-height:52px;padding:10px 14px;border-radius:12px;background:var(--color-bg-soft);color:var(--color-ink);font-size:15px;font-weight:700;line-height:1.35}
.sk-pz__fb.is-ok{background:var(--sk-ok-bg);color:var(--sk-ok)}
.sk-pz__fb.is-bad{background:var(--sk-bad-bg);color:var(--sk-bad)}
.sk-pz__btns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.sk-pz__btns button{min-height:44px;padding:8px 10px;border:0;border-radius:12px;background:var(--color-bg-soft);color:var(--color-ink);font-size:14px;font-weight:800}
.sk-pz__btns button:hover:not(:disabled){background:var(--color-border)}
.sk-pz__btns button:disabled{opacity:.45;cursor:default}
.sk-pz__sol summary{display:flex;align-items:center;min-height:40px;font-size:14px;font-weight:700;color:var(--color-muted);cursor:pointer}
.sk-pz__sol p{margin:0 0 4px;font-size:16px;font-weight:800;color:var(--color-ink);font-variant-numeric:tabular-nums}
.sk-pz__stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:0}
.sk-pz__stats>div{min-width:0;padding:10px 12px;border-radius:12px;background:var(--color-bg-soft)}
.sk-pz__stats dt{margin:0 0 4px;font-size:10.5px;font-weight:800;letter-spacing:.06em;color:var(--color-meta)}
.sk-pz__stats dd{margin:0;font-size:22px;font-weight:900;color:var(--color-ink);font-variant-numeric:tabular-nums}
.sk-pz__note{margin:0;font-size:13px;line-height:1.5;color:var(--color-meta)}

.sk-how{margin-top:48px}
.sk-how .sk-h2{padding-bottom:10px;margin-bottom:16px;border-bottom:2px solid var(--color-ink)}
.sk-how ul{margin:0;padding:0;list-style:none;columns:2 420px;column-gap:56px}
.sk-how li{position:relative;padding-left:20px;margin:0 0 12px;font-size:16px;line-height:1.6;color:var(--color-text);break-inside:avoid}
.sk-how li::before{content:"";position:absolute;left:2px;top:.65em;width:7px;height:7px;border-radius:50%;background:var(--color-brand)}
.sk-how b{color:var(--color-ink)}

html[data-theme="dark"] .sk-who__row:not(.is-me),html[data-theme="dark"] .sk-lv__b button:not([aria-checked="true"]),html[data-theme="dark"] .sk-btns button:not(.sk-btn-pri):not(.is-armed),html[data-theme="dark"] .sk-ml,html[data-theme="dark"] .sk-newbox,html[data-theme="dark"] .sk-pz__btns button,html[data-theme="dark"] .sk-pz__stats>div,html[data-theme="dark"] .sk-pz__fb:not(.is-ok):not(.is-bad){background:#232327}
html[data-theme="dark"] .sk-btns button:hover:not(:disabled):not(.sk-btn-pri),html[data-theme="dark"] .sk-pz__btns button:hover:not(:disabled){background:#2e2e33}

@media (prefers-reduced-motion:reduce){.sk-p{transition:none}.sk-who__row.is-think em::before,.sk-btns button.is-busy svg{animation:none}}

@media (min-width:1200px) and (max-height:860px){
.sk-hero{padding-top:18px}
.sk-hero__in{--sk-bw:clamp(492px,calc(100vh - 226px),732px);gap:12px 32px}
.sk-top{min-height:172px}
.sk-title h1{font-size:clamp(32px,2.6vw,40px);margin-bottom:8px}
.sk-sub{font-size:14px;line-height:1.45}
.sk-side{padding:14px;gap:10px 16px}
.sk-side__a,.sk-side__b{gap:10px}
.sk-note{min-height:2.8em}
}
@media (max-width:1199px){
.sk-hero__in{--sk-bw:clamp(400px,calc(100vh - 236px),620px);grid-template-columns:minmax(0,var(--sk-bw)) minmax(290px,1fr);gap:14px 28px}
.sk-top{grid-template-columns:minmax(0,1fr);grid-template-areas:"ph" "title";min-height:0;gap:6px}
.sk-ph{height:150px}
.sk-ph img{-webkit-mask-image:linear-gradient(#000 42%,transparent);mask-image:linear-gradient(#000 42%,transparent)}
.sk-title{padding:0}
.sk-sub{margin-bottom:4px}
.sk-side{grid-template-columns:minmax(0,1fr)}
.sk-side__b .sk-stats{padding-top:12px;border-top:1px solid var(--color-hairline)}
.sk-ml{flex:none;height:150px;min-height:0}
.sk-pz__in{grid-template-columns:minmax(0,440px) minmax(0,1fr);gap:28px}
.sk-pz__card{grid-template-columns:minmax(0,1fr);grid-template-rows:auto 1fr}
.sk-pz__ph{grid-column:1;grid-row:1;min-height:0;height:170px}
.sk-pz__body{grid-column:1;grid-row:2}
.sk-pz__ph img{object-position:55% 64%;-webkit-mask-image:linear-gradient(#000 40%,transparent);mask-image:linear-gradient(#000 40%,transparent)}
.sk-pz__body{padding-top:4px}
}
@media (max-width:899px){
.sk-hero{padding:0 0 30px}
.sk-hero__in{grid-template-columns:minmax(0,640px);grid-template-rows:none;grid-template-areas:"top" "play" "side";justify-content:center;gap:10px}
.sk-top{margin:0 calc(50% - 50vw);gap:0}
.sk-ph{height:clamp(150px,30vw,230px);border-radius:0}
.sk-ph img{-webkit-mask-image:linear-gradient(#000 45%,transparent);mask-image:linear-gradient(#000 45%,transparent)}
.sk-title{width:min(640px,calc(100vw - 40px));margin:0 auto}
.sk-title h1{font-size:clamp(30px,6vw,40px)}
.sk-sub{margin-bottom:6px}
.sk-side{margin-top:10px}
.sk-ml{height:120px}
.sk-pz__in{grid-template-columns:minmax(0,1fr);gap:20px;max-width:640px;margin:0 auto}
.sk-pz__ph{height:clamp(150px,34vw,220px)}
.sk-head{max-width:640px;margin-left:auto;margin-right:auto}
.sk-how{max-width:640px;margin-left:auto;margin-right:auto}
.sk-how ul{columns:1}
}
@media (max-width:767px){.sk-ad:not(.is-filled){min-height:280px}}
@media (max-width:520px){
.sk-hero{padding:0 0 26px}
.sk-ph{height:150px}
.sk-play{padding:6px 0;margin:0 -8px}
.sk-title h1{font-size:30px;margin-bottom:6px}
.sk-sub{font-size:14px}
.sk-side{padding:12px;border-radius:16px}
.sk-btns button{font-size:13px;gap:6px;padding:8px 6px}
.sk-pz__body{padding:4px 16px 16px}
.sk-pz__ph{height:150px}
.sk-how li{font-size:15px}
}
@media (max-width:380px){.sk-title h1{font-size:27px}}