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span{font-size:.55rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.friend-challenge-banner strong{font:800 1rem Georgia,serif}.friend-challenge-banner small{color:var(--theme-text-muted-800);font-size:.6rem}.friend-challenge-result{padding:8px;border:1px solid var(--line);background:var(--theme-selection-soft);font-weight:900}.resume-challenge-button{width:100%;min-height:46px;display:grid;grid-template-columns:1fr auto;align-items:center;gap:2px 10px;margin-top:8px;padding:8px 12px;border:2px solid var(--line);background:var(--theme-surface);color:var(--ink);box-shadow:4px 4px 0 var(--bot-accent-deep);font-size:.65rem;font-weight:900;text-align:left;cursor:pointer;transition:translate .14s ease,box-shadow .14s ease,background .14s ease}.resume-challenge-button:hover:not(:disabled){translate:-1px -1px;box-shadow:6px 6px 0 var(--bot-accent-deep)}.resume-challenge-button:active:not(:disabled){translate:2px 2px;box-shadow:1px 1px 0 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loader-spin{to{transform:rotate(360deg)}}@keyframes loading-dots{to{opacity:.42;transform:translateY(-2px)}}.challenge-start-panel>small{display:block;margin-top:18px;color:var(--theme-text-muted-725);font-size:.6rem}.challenge-start-panel>small a{border-bottom:1px solid currentColor;font-weight:900}.play-board{position:relative;width:100%;aspect-ratio:1;display:grid;grid-template-columns:repeat(8,1fr);grid-template-rows:repeat(8,minmax(0,1fr));overflow:hidden;container-type:inline-size;background:var(--line);user-select:none;-webkit-user-select:none}.play-square{position:relative;width:100%;height:100%;display:grid;place-items:center;min-width:0;padding:0;overflow:hidden;border:0;border-radius:0;cursor:pointer;isolation:isolate;touch-action:none;-webkit-tap-highlight-color:transparent}.play-square.board-light{--board-tile-color: var(--player-board-light,var(--theme-sky-board-light));--board-opposite-color:var(--player-board-dark,var(--theme-sky-board));background:var(--board-tile-color)}.play-square.board-dark{--board-tile-color: var(--player-board-dark,var(--theme-sky-board));--board-opposite-color:var(--player-board-light,var(--theme-sky-board-light));background:var(--board-tile-color)}.play-square.last-move,.play-square.last-move-from,.play-square.last-move-to{background:color-mix(in srgb,var(--board-opposite-color) 55%,var(--board-tile-color));box-shadow:none}.play-square.last-move-from{background:color-mix(in srgb,var(--board-opposite-color) 32%,var(--board-tile-color));box-shadow:none}.play-square.last-move:before,.play-square.last-move-from:before,.play-square.last-move-to:before{background:transparent}.play-square.selected:before{background:transparent}.play-square.selected{background:color-mix(in srgb,var(--board-opposite-color) 46%,var(--board-tile-color));box-shadow:inset 0 0 0 3px color-mix(in 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.15)}.game-piece:active{cursor:grabbing}.piece-being-dragged{opacity:0}.move-animation-destination{visibility:hidden}.moving-piece{position:absolute;z-index:12;width:12.5%;height:12.5%;display:grid;place-items:center;pointer-events:none;animation:move-piece-glide .26s cubic-bezier(.22,.72,.2,1) both;will-change:transform}.dragged-game-piece{position:fixed;left:0;top:0;z-index:1000;width:clamp(54px,8vw,92px);height:clamp(54px,8vw,92px);display:grid;place-items:center;pointer-events:none;transform:translate3d(var(--drag-x),var(--drag-y),0) translate(-50%,-50%) scale(1.06);transition:none;will-change:transform;cursor:grabbing;filter:drop-shadow(0 9px 5px rgb(var(--theme-rgb-ink) / .24))}.game-piece[aria-hidden=true]{touch-action:none}.white-game-piece{color:var(--theme-surface);text-shadow:-1px -1px 0 var(--theme-ink),1px -1px 0 var(--theme-ink),-1px 1px 0 var(--theme-ink),1px 1px 0 var(--theme-ink),0 2px 0 var(--theme-ink)}.black-game-piece{color:var(--theme-ink)}.move-marker{position:absolute;z-index:3;width:22%;aspect-ratio:1;border:2px solid rgb(var(--theme-rgb-surface) / .5);border-radius:50%;background:rgb(var(--theme-rgb-ink) / .48);box-shadow:0 1px 4px rgb(var(--theme-rgb-ink) / .24);pointer-events:none}.capture-marker{position:absolute;inset:11%;z-index:3;border:clamp(2px,.35vw,5px) solid rgb(var(--theme-rgb-ink) / .38);border-radius:50%;box-shadow:0 0 0 1px rgb(var(--theme-rgb-surface) / .42);pointer-events:none}@keyframes move-piece-glide{0%{transform:translate(calc(var(--move-animation-x) * 100%),calc(var(--move-animation-y) * 100%))}to{transform:translate(0)}}@keyframes king-danger{0%{box-shadow:inset 0 0 0 2px rgb(var(--theme-rgb-check-deep) / .55)}to{box-shadow:inset 0 0 0 7px rgb(var(--theme-rgb-check-deep) / .9)}}.rank-label,.file-label{position:absolute;z-index:4;font-size:clamp(.5rem,2.8cqi,1.4rem);font-weight:900;line-height:1;pointer-events:none}.rank-label{top:6px;left:6px}.file-label{right:6px;bottom:5px}.board-light .rank-label,.board-light .file-label,.board-dark .rank-label,.board-dark .file-label{color:var(--board-opposite-color)}.game-sidebar{min-height:100%;display:flex;flex-direction:column;border:2px solid var(--line);background:var(--theme-surface);box-shadow:8px 8px 0 var(--bot-accent-deep)}.game-mode-row{min-height:52px;display:flex;align-items:center;justify-content:space-between;gap:15px;padding:10px 15px;border-bottom:2px solid var(--line);font-size:.7rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase;user-select:none;-webkit-user-select:none}.mode-tag{padding:5px 8px;border:1px solid var(--line);background:var(--bot-accent-soft);color:var(--bot-accent-deep)}.daily-attempt-indicator{display:grid;justify-items:center;gap:4px;color:var(--bot-accent-deep);font-size:.52rem;line-height:1}.daily-attempt-indicator>span{display:flex;gap:4px}.daily-attempt-indicator i{width:8px;height:8px;display:block;border:1px solid var(--bot-accent-deep);border-radius:50%;background:var(--theme-surface)}.daily-attempt-indicator i.complete{background:var(--bot-accent-soft)}.daily-attempt-indicator i.current{background:var(--bot-accent-deep);box-shadow:0 0 0 2px var(--bot-accent-soft)}.turn-card{min-height:67px;display:flex;align-items:center;gap:10px;padding:8px 12px;border-bottom:2px solid var(--line);background:var(--theme-surface);transition:background-color .18s ease,box-shadow .18s 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