.practice-lab{margin:3rem 0;padding:clamp(16px,3vw,28px);border-top:3px solid #28664d;background:#f6f4e7;scroll-margin-top:24px;min-width:0}.practice-lab h2{margin-top:.25rem}.practice-lab h3{font-size:1.13rem}.lab-select{display:grid;gap:.4rem;margin:1rem 0}.lab-select select{font:inherit;width:100%;max-width:100%;padding:10px;background:#fffdf4;border:1px solid #789080;border-radius:4px}.lab-premise,.lab-question{font-weight:600}.practice-lab .lab-caption{font-size:.8rem;color:#58675d;line-height:1.7}.lab-board-wrap{max-width:458px;margin:20px auto;container-type:inline-size}.lab-col-labels{display:grid;grid-template-columns:repeat(9,1fr);margin-left:20px;text-align:center;font-size:12px}.lab-board-line{display:flex}.lab-row-labels{display:grid;grid-template-rows:repeat(9,1fr);width:20px;flex-shrink:0;text-align:center;font-size:12px}.lab-row-labels span{align-self:center}.lab-board{width:100%;aspect-ratio:1;display:grid;grid-template:repeat(9,minmax(0,1fr))/repeat(9,minmax(0,1fr));border:2px solid #4e6955;box-sizing:border-box}.practice-lab .lab-cell{position:relative;display:flex;align-items:center;justify-content:center;min-width:0;min-height:0;padding:0;border:0;border-right:1px solid #d4d9c6;border-bottom:1px solid #d4d9c6;border-radius:0;background:#fffef5;color:#183d31;font:inherit;box-sizing:border-box;box-shadow:none;margin:0}.practice-lab button.lab-cell{cursor:pointer}.practice-lab .lab-right{border-right:2px solid #4e6955}.practice-lab .lab-bottom{border-bottom:2px solid #4e6955}.lab-value{font-size:clamp(16px,5.5cqw,27px);font-weight:600}.lab-notes{display:grid;grid-template:repeat(3,1fr)/repeat(3,1fr);width:88%;height:88%;font:500 clamp(8px,2.8cqw,13px)/1.1 sans-serif;text-align:center;align-items:center}.lab-notes s{color:#a55247;text-decoration-thickness:2px}.lab-dot{color:#c6cdbd}.practice-lab .lab-evidence{box-shadow:inset 0 0 0 2px #468564;background:#edf4e6}.practice-lab .lab-selected{outline:3px solid #b17e20;outline-offset:-3px;z-index:1}.practice-lab .lab-assumed{background:#eee6f6;color:#6a3786}.lab-try{position:absolute;bottom:1px;font-size:clamp(7px,2.1cqw,10px)}.lab-empty{font-size:24px;color:#a13030}.practice-lab .lab-cage{border-top:1px dashed #695838;border-bottom:1px dashed #695838}.lab-total{position:absolute;top:0;left:2px;background:#fffdf0;font-size:10px;line-height:1}.lab-steps,.lab-options,.lab-actions{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0}.practice-lab button:not(.lab-cell){font:inherit;min-height:42px;border:1px solid #859a82;border-radius:4px;padding:8px 12px;background:#fffdf5;color:#244a38;cursor:pointer;box-shadow:none}.practice-lab button[aria-pressed=true]:not(.lab-cell){background:#275f49;color:#fff}.practice-lab button:focus-visible,.practice-lab select:focus-visible,.practice-lab summary:focus-visible{outline:3px solid #a77419;outline-offset:3px}.practice-lab button:disabled{opacity:.55;cursor:default}.lab-candidate-panel{display:flex;flex-wrap:wrap;align-items:center;gap:8px;min-height:52px}.lab-candidate-panel button{min-width:44px}.lab-feedback{min-height:28px;color:#245c42;font-weight:500}.practice-lab details{border-top:1px solid #becbb5;padding:12px 0}.practice-lab summary{cursor:pointer;font-weight:600}.lab-play{margin-top:24px;border-left:3px solid #a9ba93;padding-left:16px}.lab-play p,.lab-refs{font-size:.85rem}.lab-refs a{overflow-wrap:anywhere}.lab-step-note{min-height:1.5em}.lab-options{flex-direction:column;align-items:stretch}.lab-options button{text-align:left}.practice-lab noscript{display:block}.lab-heading .eyebrow{font-size:.72rem}@media(max-width:480px){.practice-lab{padding:12px}.lab-actions button{flex:1 1 130px}.lab-steps button{flex:1 1 100px}.lab-caption{font-size:.75rem}}#technique-button:target{outline:3px solid #aa791c;outline-offset:4px}