.ac-tool{border:1px solid var(--line);background:var(--surface);border-radius:16px;margin:18px 0;padding:clamp(16px,3vw,26px)}.ac-fields{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.ac-fields label,.ac-exercise-select{gap:6px;font-weight:700;display:grid}.ac-tool select,.ac-tool input[type=number]{border:1px solid var(--green);width:100%;min-width:0;min-height:44px;font:inherit;background:var(--surface);color:var(--ink);border-radius:8px;padding:8px 12px}.ac-tool fieldset{border:0;min-width:0;margin:18px 0;padding:0}.ac-tool legend{font-weight:700}.ac-tool .ac-small{font-size:.9rem;line-height:1.7}.ac-digits{flex-wrap:wrap;gap:8px;display:flex}.ac-digits label{border:1px solid var(--line);cursor:pointer;border-radius:8px;justify-content:center;align-items:center;gap:6px;min-width:48px;min-height:44px;padding:4px 8px;display:flex}.ac-digits label:has(input:checked){background:var(--green-tint);border-color:var(--green)}.ac-digits input{accent-color:var(--green);width:18px;height:18px}.ac-actions{flex-wrap:wrap;gap:10px;display:flex}.ac-actions button,.ac-play{border:1px solid var(--green);min-height:44px;font:inherit;cursor:pointer;border-radius:8px;padding:10px 16px;font-weight:700}.ac-actions button{background:var(--surface);color:var(--green)}.ac-actions .ac-primary,.ac-tool a.ac-play{background:var(--green);color:#fff}.ac-play{margin:16px 0;text-decoration:none;display:inline-block}.ac-results{background:var(--green-tint);border-radius:10px;margin-top:20px;padding:4px 16px 12px}.ac-results ul{flex-wrap:wrap;gap:8px 20px;margin:0;padding:0;list-style:none;display:flex}.ac-results li{font-variant-numeric:tabular-nums;margin:0}.ac-tool details{border-top:1px solid var(--line);padding:12px 0}.ac-tool summary{cursor:pointer;min-height:44px;padding:10px 0;font-weight:700}.ac-tool :is(button,input,select,summary,a):focus-visible{outline:3px solid var(--green);outline-offset:3px}