.resource-start{margin-top:18px;min-height:40px;padding:8px 18px;font-size:14px}.resource-knowledge{display:block;margin-top:14px}.practice-panel{max-width:920px;margin-inline:auto}.practice-heading{display:flex;gap:20px;justify-content:space-between;align-items:flex-start}.practice-heading h2{font-size:23px;line-height:1.6}.practice-heading .eyebrow{margin-bottom:10px}.practice-progress{display:flex;gap:18px;align-items:center;margin:28px 0 18px}.practice-progress progress{flex:1;width:0;height:10px;accent-color:var(--accent)}.practice-progress span{white-space:nowrap;color:var(--muted);font-size:13px}.practice-navigation{border-block:1px solid var(--line);padding:12px 0;margin-bottom:24px}.practice-navigation summary{cursor:pointer;color:var(--muted);font-size:13px}.practice-question-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(38px,1fr));gap:8px;padding-top:14px}.practice-question-grid button{padding:8px 0;background:white;border:1px solid var(--line);border-radius:8px;color:var(--ink)}.practice-question-grid button.answered{background:var(--accent-pale);border-color:var(--accent-line)}.practice-question-grid button[aria-current=step]{border:2px solid var(--accent);font-weight:750}.practice-question-meta{display:flex;justify-content:space-between;gap:15px;color:var(--muted);font-size:13px}.practice-prompt{margin:18px 0 24px;white-space:pre-wrap;font-size:21px;line-height:1.9;overflow-wrap:anywhere}.practice-diagram{display:block;max-width:100%;max-height:320px;object-fit:contain;margin:0 auto 22px}.practice-choices{display:grid;gap:12px}.practice-choice{padding:16px;text-align:left;border:1px solid var(--line);background:#fff;border-radius:12px;font:inherit;color:var(--ink)}.practice-choice[aria-pressed=true]{background:var(--accent-pale);border:2px solid var(--accent)}.practice-fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:20px}.practice-field label,.practice-working label{display:block;font-size:14px;font-weight:650;margin-bottom:8px}.practice-field input,.practice-working textarea{width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:11px;background:#fff;font:inherit;color:var(--ink)}.practice-working{margin-top:26px}.practice-working textarea{resize:vertical;line-height:1.7}.practice-hint{font-size:12px;line-height:1.8;color:var(--muted);margin-top:14px}.practice-actions{display:flex;justify-content:space-between;gap:20px;align-items:center;margin:24px 0 16px}.practice-actions>div{display:flex;gap:24px}.practice-actions .primary-button{min-height:44px;padding:10px 20px;width:auto}.practice-abandon{margin-top:18px;color:#ae4935}.practice-confirmation{border:1px solid var(--accent-line);padding:20px;background:var(--accent-pale);border-radius:14px;margin:20px 0}.practice-confirmation p{margin:10px 0 18px;line-height:1.8}.practice-confirmation button+button{margin-left:24px}.practice-confirmation .primary-button{display:inline-block;width:auto;padding:10px 20px;min-height:42px}.practice-danger{border:1px solid #d7a699;border-radius:10px;padding:9px 18px;background:#fff2ec;color:#a23926;font:inherit}.practice-resume{border:1px solid var(--accent-line);padding:16px 20px;border-radius:12px;background:var(--accent-pale);margin-top:20px}.practice-resume p{font-weight:650;line-height:1.8;margin-bottom:12px}.practice-resume button+button{margin-left:22px}.practice-result-score{font-size:46px;font-weight:800;color:var(--accent-dark);margin:24px 0 10px}.practice-review-heading{font-size:18px;margin:30px 0 18px}.practice-result-questions{display:grid;gap:12px}.practice-review{border:1px solid var(--line);border-radius:13px;padding:16px 19px;background:#fff}.practice-review.incorrect{border-color:#efc7b5;background:#fffaf6}.practice-review summary{cursor:pointer;font-weight:650;line-height:1.7}.practice-review p{font-size:14px;line-height:1.9;margin-top:12px;white-space:pre-wrap;overflow-wrap:anywhere}.practice-review-prompt{font-weight:650}.practice-review .practice-explanation{color:var(--muted)}
@media(max-width:640px){.practice-heading h2{font-size:18px}.practice-heading{gap:12px}.practice-heading .text-button{white-space:nowrap;font-size:11px}.practice-progress{gap:12px}.practice-prompt{font-size:18px}.practice-actions{flex-wrap:wrap}.practice-actions>div{width:100%;justify-content:space-between}.practice-actions .primary-button{width:100%}.practice-fields{grid-template-columns:1fr}.practice-confirmation{padding:15px}.practice-question-grid{grid-template-columns:repeat(6,1fr)}.practice-result-score{font-size:35px}}
.practice-hints{padding:15px 18px;margin:0 0 22px;border:1px solid #e7cf99;border-radius:12px;background:#fffaf0}.practice-hints summary{cursor:pointer;font-size:13px;color:#886429;font-weight:650}.practice-hints ol{font-size:14px;line-height:1.9;margin:12px 0 0;padding-left:22px}.practice-hints li+li{margin-top:9px}.practice-question-grid button.challenge{border-color:#d9b96b}