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0;border:0;border-radius:4px;min-height:32px;margin:0;text-decoration:underline;text-decoration-thickness:1px;display:inline}.line-move--best{color:var(--good);font-weight:600}.line-move--refutation{color:var(--bad);font-weight:600}.line-move--line{color:var(--info)}.line-move--likely{color:var(--info);font-weight:600}.line-panel{margin:var(--s-1) 0 0}.line-panel[hidden]{display:none}.line-panel__head{align-items:center;gap:var(--s-2);flex-wrap:wrap;display:flex}.line-panel .line-kind{width:auto}.line-panel .line-list{margin-top:var(--s-1)}.line-note{margin:var(--s-1) 0 0;color:var(--muted);font-size:var(--fs-sm)}.line-move.current{background:var(--gold-tint-2);text-decoration-thickness:2px}.line-move:focus-visible{outline:2px solid var(--gold);outline-offset:1px}.line-steps{align-items:center;gap:var(--s-2);margin-top:var(--s-2);flex-wrap:wrap;display:flex}.line-steps .ui-btn{min-height:36px}.line-steps-label{color:var(--muted);font-size:var(--fs-sm)}.solution-step{align-items:center;gap:var(--s-2);display:flex}.solution-step-text{flex:1;min-width:0}.puzzle-controls .best-moves-toggle[aria-checked=true]{color:var(--good);border-color:var(--good)}.sq-ring{box-sizing:border-box;border-radius:var(--r-sm);pointer-events:none;z-index:0;position:absolute;inset:0}.sq-ring--focus{border:3px solid var(--arrow-best)}.sq-ring--danger{border:3px dashed var(--arrow-threat)}.sq-badge{z-index:3;box-sizing:border-box;border-radius:0 0 0 var(--r-sm);min-width:1.5em;color:var(--on-badge);text-align:center;pointer-events:none;padding:0 3px;font-size:clamp(9px,2.8vw,13px);font-weight:800;line-height:1.5;position:absolute;top:0;right:0}.sq-badge--warn{background:var(--warn)}.sq-badge--bad{background:var(--bad)}.sq-badge--great{background:var(--info)}.game-over{padding:0 var(--s-1);z-index:6;pointer-events:none;position:absolute;left:0;right:0}.game-over--bottom{bottom:0}.game-over--top{top:0}.game-over--hidden{display:none}.game-over__card{pointer-events:auto;padding:var(--s-1) var(--s-3);border-radius:var(--r-md);background:var(--surface);border:var(--hairline) solid var(--line);box-shadow:var(--shadow-sheet);position:relative}.game-over__title{margin:0 var(--s-7) var(--s-1) 0;font:600 var(--fs-lg)/var(--lh-tight) var(--font-display);color:var(--text)}.game-over__actions{gap:var(--s-2);display:flex}.game-over__actions .ui-btn{min-width:0;padding-inline:var(--s-1);font-size:var(--fs-sm);white-space:nowrap;flex:1 1 0}.game-over__close{top:calc(-1 * var(--s-3));border-radius:var(--r-pill);width:44px;height:44px;color:var(--muted);font-size:var(--fs-lg);cursor:pointer;background:0 0;border:0;position:absolute;right:0}.bar[data-side=top]{position:relative}.board-bubble{margin:var(--s-1) 0;z-index:5;padding:var(--s-1) var(--s-3);border:var(--hairline) solid var(--line);border-left:4px solid var(--line);border-radius:var(--r-sm);background:var(--surface);color:var(--text);font:inherit;font-size:var(--fs-sm);text-align:left;white-space:nowrap;text-overflow:ellipsis;box-shadow:var(--shadow-sheet);cursor:pointer;grid-area:1/1/-1/-2;font-weight:600;display:block;position:absolute;inset:0;overflow:hidden}.board-bubble.inaccuracy{border-left-color:var(--warn)}.board-bubble.mistake,.board-bubble.blunder{border-left-color:var(--bad)}.board-bubble.best,.board-bubble.good{border-left-color:var(--good)}