.reciprocal-board,.reciprocal-static,.reciprocal-strip-board,.reciprocal-pair-list{gap:1rem;width:100%;min-width:0;max-width:43rem;margin-inline:auto;display:grid}.reciprocal-board p,.reciprocal-static p{font-size:var(--text-support);margin:0;line-height:1.9}.reciprocal-card,.reciprocal-unpaired{border:1px solid var(--line-strong);border-radius:var(--radius-small);background:var(--surface-soft);min-width:0;padding:.7rem}.reciprocal-unpaired{border-style:dashed}.reciprocal-board .reciprocal-pairs,.reciprocal-static .reciprocal-pairs{gap:.6rem;margin:0;padding:0;list-style:none;display:grid}.reciprocal-pairs>.reciprocal-card{margin:0}.reciprocal-members{font-size:var(--text-body);flex-wrap:wrap;align-items:center;gap:.7rem;font-weight:600;display:flex}.reciprocal-pairs .reciprocal-card>p{margin-top:.45rem}.reciprocal-proof{border-left:3px solid var(--accent);gap:.7rem;padding:.8rem;display:grid}.reciprocal-proof p{flex-wrap:wrap;align-items:center;gap:.3rem;display:flex}.reciprocal-strip-board{max-width:30rem}.reciprocal-strip{width:100%;height:180px;position:relative}.reciprocal-unit{border:1px solid var(--line-strong);background:var(--surface-soft);width:100%;height:40px;position:absolute;left:0}.reciprocal-unit-top{top:20px}.reciprocal-unit-bottom{top:110px}.reciprocal-part{border:2px solid var(--ink);height:40px;font-size:var(--text-body);box-sizing:border-box;justify-content:center;align-items:center;font-weight:700;display:flex;position:absolute}.reciprocal-part-a{background:color-mix(in srgb,var(--accent) 18%,var(--surface))}.reciprocal-part-b{background:color-mix(in srgb,var(--diagram-first) 18%,var(--surface))}.reciprocal-ghost{border:2px dashed var(--line-strong);background:0 0}.reciprocal-path{width:100%;height:180px;position:absolute;inset:0;overflow:visible}.reciprocal-path path{fill:none;stroke:var(--accent);stroke-width:2px;vector-effect:non-scaling-stroke;stroke-linejoin:round}.reciprocal-board .pattern-slider{margin:0}.reciprocal-choice{min-height:48px;line-height:1.7;font-size:var(--text-support);align-items:center;gap:.65rem;display:flex}.reciprocal-choice input{width:22px;height:22px;accent-color:var(--accent);flex:0 0 22px}.reciprocal-answer{min-width:0}.reciprocal-answer>summary{cursor:pointer;min-height:48px}.reciprocal-answer>.reciprocal-pair-list{width:auto;margin:1rem}.reciprocal-board .reciprocal-total,.reciprocal-static .reciprocal-total{font-weight:700;font-size:var(--text-body);overflow-wrap:anywhere}.reciprocal-hint,.reciprocal-static figcaption{color:var(--muted);font-size:var(--text-support);line-height:1.8}