/* Chess. The shell (header, buttons, dialogs, type) comes from classics.css; this is the board,
   the panel beside it and the rating section under it. --sq (one square, whole pixels) is set by
   game.js so the board stays crisp at every size. */
:root{
  --sq:64px;--panel:320px;--gap:36px;
  --sq-l:#ebe2cf;--sq-d:#b39b7a;
  --mark-l:color-mix(in srgb,var(--red) 24%,var(--sq-l));--mark-d:color-mix(in srgb,var(--red) 24%,var(--sq-d));
  --pick-l:color-mix(in srgb,var(--red) 40%,var(--sq-l));--pick-d:color-mix(in srgb,var(--red) 40%,var(--sq-d));
  --check-l:color-mix(in srgb,var(--red) 72%,var(--sq-l));--check-d:color-mix(in srgb,var(--red) 72%,var(--sq-d));
  --dot:#1d1b1838;
  --pc-w:#fffdf8;--pc-b:#2b2723;--pc-line:#1d1b18;--pc-detail:#f1ece2;
}
.cl-main{max-width:1240px}
.sprite{position:absolute;width:0;height:0;overflow:hidden}

/* Pieces: one symbol per kind, coloured through variables so both sides share the drawing. */
.pc{display:block;width:100%;height:100%}
.pc.w{--pf:var(--pc-w);--ps:var(--pc-line);--pd:var(--pc-line)}
.pc.b{--pf:var(--pc-b);--ps:var(--pc-line);--pd:var(--pc-detail);--pseam:var(--pc-detail)}
.pb{fill:var(--pf);stroke:var(--ps);stroke-width:3;stroke-linejoin:round}
.pd{fill:none;stroke:var(--pd);stroke-width:2;stroke-linecap:round}
.pd-x{stroke-width:3}
.ps{fill:none;stroke:var(--pseam,none);stroke-width:2;stroke-linecap:round}
.pe{fill:var(--pd);stroke:none}

/* Layout: a column on phones, board beside a panel on wide screens. */
.play{display:grid;grid-template-columns:calc(var(--sq) * 8);justify-content:center;align-items:start}
.board-wrap{position:relative;width:calc(var(--sq) * 8);height:calc(var(--sq) * 8)}
.panel{display:flex;flex-direction:column;min-width:0;container-type:inline-size}
/* .wide is set by game.js from the same query it sizes the board with. */
.play{visibility:hidden}.ready .play{visibility:visible}
.wide .play{grid-template-columns:calc(var(--sq) * 8) var(--panel);grid-template-rows:auto minmax(0,1fr) auto;column-gap:var(--gap);height:calc(var(--sq) * 8)}
.wide .board-wrap{grid-column:1;grid-row:1/4}
.wide .side-top{grid-column:2;grid-row:1}
.wide .panel{grid-column:2;grid-row:2;align-self:stretch;min-height:0;border-top:2px solid var(--ink);border-bottom:1px solid var(--rule)}
.wide .side-bottom{grid-column:2;grid-row:3}
.wide .moves-wrap{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain}

/* The board. */
.board{position:relative;display:grid;grid-template-columns:repeat(8,var(--sq));grid-template-rows:repeat(8,var(--sq));border-radius:6px;overflow:hidden;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}
.brow{display:contents}
.sq{position:relative;touch-action:manipulation;outline:none}
.sq.mine{touch-action:none;cursor:grab}
.sq.l{background:var(--sq-l)}.sq.d{background:var(--sq-d)}
.sq.l.last{background:var(--mark-l)}.sq.d.last{background:var(--mark-d)}
.sq.l.pick{background:var(--pick-l)}.sq.d.pick{background:var(--pick-d)}
.sq.l.check{background:var(--check-l)}.sq.d.check{background:var(--check-d)}
.pcs{position:absolute;inset:0;z-index:1}
.pcs .pc.slide{transition:transform .15s cubic-bezier(.2,.7,.3,1);position:relative;z-index:3}
.sq.lift .pc{opacity:.28}
.sq.dot:after{content:'';position:absolute;z-index:2;left:50%;top:50%;width:28%;height:28%;margin:-14% 0 0 -14%;border-radius:50%;background:var(--dot);pointer-events:none}
.sq.cap:after{content:'';position:absolute;z-index:2;inset:3%;border-radius:50%;border:calc(var(--sq) * .075) solid var(--dot);pointer-events:none}
.sq.hover:before{content:'';position:absolute;z-index:2;inset:0;border:3px solid var(--ink);opacity:.55;pointer-events:none}
.sq:focus-visible:before{content:'';position:absolute;z-index:4;inset:0;border:3px solid var(--red);pointer-events:none}
.co{position:absolute;z-index:2;font-size:max(8.5px,calc(var(--sq) * .155));font-weight:700;line-height:1;pointer-events:none;font-variant-numeric:tabular-nums}
.co-r{left:4%;top:4%}.co-f{right:4%;bottom:3%}
.sq.l .co{color:var(--sq-d)}.sq.d .co{color:var(--sq-l)}
.ghost{position:absolute;left:0;top:0;z-index:8;width:calc(var(--sq) * 1.1);height:calc(var(--sq) * 1.1);pointer-events:none;will-change:transform}
.board-wrap.frozen .board{cursor:default}

/* Promotion: the four pieces stacked over the promotion file. */
.promo-scrim{position:absolute;inset:0;z-index:9;background:#1d1b1824;border-radius:6px}
.promo{position:absolute;z-index:10;display:flex;flex-direction:column;width:var(--sq);background:var(--paper);border-radius:8px;box-shadow:0 10px 28px #1d1b1847;overflow:hidden}
.promo.top{top:0}.promo.bottom{bottom:0;flex-direction:column-reverse}
.promo button{width:var(--sq);height:var(--sq);padding:8%;border:0;background:transparent;border-radius:0}
.promo button:hover,.promo button:focus-visible{background:var(--sand);outline:none}

/* Players: the side at the top of the board and the side at the bottom. */
.side{display:flex;align-items:center;gap:10px;min-height:48px;padding:6px 0;min-width:0}
.chip{flex:none;width:14px;height:14px;border-radius:4px;border:1.5px solid var(--ink)}
.chip.w{background:var(--pc-w)}.chip.b{background:var(--pc-b)}
.who{display:flex;align-items:baseline;gap:8px;min-width:0}
.who strong{font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.who .r{flex:none;font-size:15px;font-weight:600;color:var(--muted);font-variant-numeric:tabular-nums}
.side .state{flex:none;font-size:14px;font-weight:600;color:var(--ink-2)}
.side .state.turn{color:var(--red-ink)}
.side .state .pulse{display:inline-block;width:7px;height:7px;margin-right:6px;border-radius:50%;background:var(--red);vertical-align:1px;animation:pulse 1s ease-in-out infinite alternate}
@keyframes pulse{from{opacity:.25}to{opacity:1}}
.side .retry{min-height:30px;padding:4px 12px;font-size:14px}
.taken{display:flex;align-items:center;margin-left:auto;min-width:0}
.taken .pc{width:22px;height:22px;margin-left:-7px;flex:none}
.taken .pc:first-child{margin-left:0}
.taken .adv{margin-left:6px;font-size:13px;font-weight:700;color:var(--muted);font-variant-numeric:tabular-nums}

/* Panel: the setup before a game, the moves during one. */
.game-meta{padding:10px 0 4px;font-size:14px;color:var(--muted)}
.moves-wrap{position:relative}
.moves{display:grid;align-content:start}
.moves li{display:grid;grid-template-columns:40px 1fr 1fr;align-items:center;border-bottom:1px solid var(--rule)}
.moves .n{font-size:13px;font-weight:600;color:var(--muted);font-variant-numeric:tabular-nums}
.mv{justify-self:start;min-height:32px;padding:4px 9px;border:0;border-radius:6px;background:none;text-align:left;font-size:15px;font-weight:600;font-variant-numeric:tabular-nums;white-space:nowrap}
.mv:hover{background:var(--sand)}
.mv.on{background:var(--ink);color:var(--paper)}
.moves-empty{padding:12px 0;color:var(--muted);font-size:15px}
.controls{display:flex;align-items:center;gap:2px;padding:8px 0}
.controls-gap{flex:1}
.controls .btn{gap:6px;padding-left:9px;padding-right:11px;font-size:14px}
.controls .icon-btn{width:36px;padding:0}
.browse-note{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 0;font-size:14px;color:var(--ink-2)}
.browse-note button{border:0;background:none;padding:4px 0;font-weight:700;color:var(--red-ink);text-decoration:underline;text-underline-offset:3px}

.setup{display:grid;gap:16px;padding:16px 0}
.setup-row{display:flex;flex-wrap:wrap;gap:8px}
.setup-label{font-size:14px;font-weight:600;color:var(--muted)}
.setup-rated{display:grid;gap:4px}
.setup-opp{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:10px 0 12px;border-bottom:1px solid var(--rule)}
.setup-opp strong{font-size:22px;font-weight:800;font-stretch:90%;letter-spacing:-.02em;line-height:1.15}
.setup-opp span{font-size:22px;font-weight:800;font-stretch:90%;color:var(--muted);font-variant-numeric:tabular-nums}
.setup-note{font-size:15px;color:var(--ink-2)}
.setup-casual{display:grid;gap:8px}
.select{position:relative}
.select:after{content:'';position:absolute;right:16px;top:50%;width:8px;height:8px;margin-top:-6px;border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);transform:rotate(45deg);pointer-events:none}
.select select{width:100%;min-height:44px;padding:8px 40px 8px 14px;border:1.5px solid var(--ink);border-radius:12px;background:var(--paper);color:var(--ink);font:600 16px var(--font);appearance:none;-webkit-appearance:none}
.btn-play{width:100%;min-height:50px;font-size:17px}
.recent{margin-top:6px}
.recent h3{font-size:14px;font-weight:600;color:var(--muted)}
.recent ol{margin-top:6px;border-top:1px solid var(--rule)}
.recent li{display:grid;grid-template-columns:44px minmax(0,1fr) auto;gap:10px;align-items:baseline;padding:7px 0;border-bottom:1px solid var(--rule);font-size:14px}
.recent .res{font-weight:700}.recent .res.won{color:var(--good)}.recent .res.lost{color:var(--red-ink)}
.recent .opp{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--ink-2)}
.recent .meta{color:var(--muted);white-space:nowrap}
#again-btn{min-height:36px;padding:6px 14px}

/* Your rating, placed among the models. */
.standing{margin-top:56px;padding-top:18px;border-top:2px solid var(--ink)}
.standing-head{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px 20px}
.standing-head h2{font-size:clamp(28px,3.2vw,42px);font-weight:800;font-stretch:90%;letter-spacing:-.03em;line-height:1.05}
.standing-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:56px;margin-top:22px;align-items:start}
.you .big{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.you .num{font-size:clamp(64px,8vw,104px);font-weight:800;font-stretch:85%;letter-spacing:-.045em;line-height:.9;font-variant-numeric:tabular-nums}
.you .pm{font-size:22px;font-weight:700;color:var(--muted);font-variant-numeric:tabular-nums}
.you .tag{display:inline-block;padding:1px 10px;border-radius:999px;background:var(--sand);font-size:13px;font-weight:600;color:var(--ink-2);vertical-align:middle}
.you p{margin-top:12px;max-width:44ch;color:var(--ink-2)}
.you .place{font-size:19px;color:var(--ink);font-weight:600;line-height:1.35}
.you .none{font-size:clamp(30px,3.6vw,44px);font-weight:800;font-stretch:90%;letter-spacing:-.03em;line-height:1.05;color:var(--ink)}
.you .btn{margin-top:18px}
.you .split{display:grid;grid-template-columns:auto auto 1fr;gap:4px 18px;margin-top:20px;padding-top:14px;border-top:1px solid var(--rule);font-size:15px;color:var(--ink-2);max-width:360px}
.you .split dt{font-weight:600;color:var(--ink)}
.you .split dd{font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums}
.you .split span{color:var(--muted);font-variant-numeric:tabular-nums}
.ladder{border-top:2px solid var(--ink)}
.ladder li{display:grid;grid-template-columns:minmax(0,1fr) minmax(90px,38%) 58px;align-items:center;gap:16px;min-height:42px;padding:6px 0;border-bottom:1px solid var(--rule)}
.ladder .name{min-width:0;font-size:16px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ladder a.name{text-decoration:none}.ladder a.name:hover{color:var(--red-ink)}
.ladder .anchor .name{font-weight:500;color:var(--muted)}
.ladder .val{text-align:right;font-size:20px;font-weight:800;font-stretch:90%;letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.ladder .anchor .val{font-size:17px;font-weight:700;color:var(--muted)}
.ladder .track{position:relative;height:14px}
.ladder .track i{position:absolute;top:6px;height:2px;border-radius:2px;background:var(--ink-2)}
.ladder .track b{position:absolute;top:3px;width:8px;height:8px;margin-left:-4px;border-radius:50%;background:var(--ink)}
.ladder .anchor .track b{background:transparent;border:1.5px solid var(--muted);top:3px}
.ladder .me{background:var(--paper-2)}
.ladder .me .name,.ladder .me .val{color:var(--red-ink)}
.ladder .me .track i{background:var(--red);opacity:.45;height:4px;top:5px}
.ladder .me .track b{background:var(--red);width:10px;height:10px;top:2px;margin-left:-5px}
.ladder-more{margin-top:12px;padding:4px 0;border:0;background:none;font-size:15px;font-weight:600;border-bottom:2px solid var(--red)}
.standing-note{margin-top:28px;max-width:80ch;font-size:14px;color:var(--muted)}
.standing-note a{color:var(--ink-2)}

/* Dialogs. */
.cl-dialog h3{margin-top:22px;font-size:17px;font-weight:700}
.cl-dialog h2:focus{outline:none}
.cl-dialog .rules strong{color:var(--ink)}
.dlg-small{font-size:14px}
.over-rating{display:flex;align-items:baseline;flex-wrap:wrap;gap:6px 14px;margin-top:18px;padding-top:14px;border-top:1px solid var(--rule)}
.over-rating .from{font-size:22px;font-weight:700;color:var(--muted);font-variant-numeric:tabular-nums}
.over-rating .to{font-size:44px;font-weight:800;font-stretch:88%;letter-spacing:-.03em;line-height:1;font-variant-numeric:tabular-nums}
.over-rating .delta{font-size:17px;font-weight:700;font-variant-numeric:tabular-nums}
.over-rating .delta.up{color:var(--good)}.over-rating .delta.down{color:var(--red-ink)}
.over-rating p{flex-basis:100%;margin-top:4px}

html:not(.wide) .panel .moves-wrap{order:1;overflow-x:auto;scrollbar-width:none;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
html:not(.wide) .panel .moves-wrap::-webkit-scrollbar{display:none}
html:not(.wide) .panel .controls{order:2}
html:not(.wide) .panel .game-meta{order:0}
html:not(.wide) .panel .setup{order:3}
html:not(.wide) .panel .browse-note{order:1}
html:not(.wide) .moves{display:flex;width:max-content;min-height:44px;align-items:center}
html:not(.wide) .moves li{display:flex;grid-template-columns:none;border:0;gap:2px;margin-right:6px}
html:not(.wide) .moves .n{padding-left:4px}
html:not(.wide) .mv{min-height:36px;padding:4px 6px}
html:not(.wide) .moves-empty{padding:11px 0}
html:not(.wide) .standing-grid{grid-template-columns:minmax(0,1fr);gap:28px}
@media(max-width:560px){
  html:not(.wide) .play{width:calc(100% + var(--gutter) * 2);margin:0 calc(var(--gutter) * -1);grid-template-columns:100%}
  html:not(.wide) .board-wrap{margin:0 auto}
  html:not(.wide) .board{border-radius:0}
  html:not(.wide) .side,html:not(.wide) .panel{padding-left:var(--gutter);padding-right:var(--gutter)}
  html:not(.wide) .panel{padding:0}
  html:not(.wide) .panel .moves-wrap,html:not(.wide) .panel .controls,html:not(.wide) .panel .setup,html:not(.wide) .panel .game-meta,html:not(.wide) .panel .browse-note{padding-left:var(--gutter);padding-right:var(--gutter)}
  html:not(.wide) .cl-main{padding-top:6px}
  html:not(.wide) .ladder li{grid-template-columns:minmax(0,1fr) 52px;gap:10px}
  html:not(.wide) .ladder .track{display:none}
  html:not(.wide) .standing{margin-top:40px}
}
@container (max-width:329px){
  .controls .btn:not(#again-btn) span{display:none}
  .controls .btn:not(#again-btn){width:40px;padding:0}
}
@media(prefers-reduced-motion:reduce){.side .state .pulse{animation:none;opacity:1}}