.practice-entry{display:flex;flex-direction:column;gap:6px;border-left:3px solid var(--accent);padding:12px 18px;margin:0 0 28px;background:var(--accent-soft);font-size:13px}.practice-entry span{font-weight:650}.practice-lab{border-top:2px solid var(--line);margin:48px 0;padding-top:32px;font-family:Inter,ui-sans-serif,system-ui,sans-serif;font-size:15px;line-height:1.65;scroll-margin-top:90px}.practice-lab [hidden]{display:none!important}.practice-lab h2{font-family:var(--reader-font);font-size:30px;line-height:1.2;margin:8px 0 16px}.practice-lab h3{font-size:17px;line-height:1.45}.practice-note,.practice-footer,.practice-evidence{font-size:12px;color:var(--muted)}.objective-guides{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:26px 0}.objective-guide{padding:16px;border:1px solid var(--line);border-radius:10px;background:var(--canvas)}.objective-guide h3{font-size:14px;margin:0 0 10px}.objective-guide p{font-size:12px}.objective-guide a{display:block;font-size:12px;padding:6px 0}.objective-practice-state{font-size:11px;display:block;color:var(--muted);margin:12px 0 4px}.learning-support{border:1px solid var(--line);border-radius:10px;margin:24px 0;background:var(--canvas)}.practice-lab summary{cursor:pointer;min-height:44px;padding:14px 16px;font-weight:600}.practice-lab summary:hover{background:var(--accent-soft)}.practice-lab summary:focus-visible,.practice-lab button:focus-visible,.practice-lab textarea:focus-visible,.practice-lab select:focus-visible,.practice-lab input:focus-visible{outline:3px solid #d69c52;outline-offset:3px}.practice-visual,.worked-example{margin:18px;padding:22px;background:var(--paper);border:1px solid var(--line);border-radius:8px}.practice-visual h3,.worked-example h3{margin-top:0}.concept-flow{list-style:none;padding:0;margin:24px 0;display:grid;gap:28px}.concept-flow li{position:relative;background:var(--accent-soft);padding:14px 18px;border:1px solid var(--accent);border-radius:8px}.concept-flow li+li::before{content:'↓';position:absolute;top:-30px;left:calc(50% - 7px);color:var(--accent);font-size:22px;line-height:28px}.concept-flow strong{display:block;font-size:14px}.concept-flow span{display:block;font-size:13px;margin-top:5px}.practice-evidence{display:flex;flex-wrap:wrap;gap:6px 12px;border-top:1px solid var(--line);padding-top:12px;margin-top:18px;overflow-wrap:anywhere}.practice-evidence>span{flex-basis:100%;font-weight:650}.practice-evidence a{padding:4px 0}.worked-steps{padding-left:22px}.worked-steps li{padding-left:5px;margin:14px 0}.worked-steps p{margin:4px 0}.example-outcome{padding:14px;background:var(--accent-soft);border-radius:7px}.practice-toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:30px}.practice-toolbar span{font-size:12px;color:var(--muted)}.practice-scenario{border:1px solid var(--line);border-radius:10px;margin:12px 0;scroll-margin-top:90px;overflow:hidden}.practice-scenario>summary{display:flex;gap:14px;align-items:center;list-style:none}.practice-scenario>summary::-webkit-details-marker{display:none}.practice-scenario>summary::after{content:'+';margin-left:auto}.practice-scenario[open]>summary::after{content:'−'}.scenario-number{background:var(--accent-soft);color:var(--strong);padding:4px 11px;border-radius:50%;font-size:12px}.scenario-status{display:block;font-size:11px;color:var(--muted);font-weight:400;margin-top:3px}.scenario-body{padding:4px 20px 22px;border-top:1px solid var(--line)}.scenario-objective{font-size:11px;color:var(--muted)}.scenario-prompt{font-size:16px}.practice-lab label{display:block;font-size:13px;margin:10px 0 6px}.practice-lab label>span:not(:only-child){font-weight:400}.practice-answer{width:100%;resize:vertical;min-height:110px;background:var(--paper);color:var(--ink);border:1px solid var(--line);border-radius:6px;padding:12px;font:inherit;line-height:1.6}.practice-answer:disabled{opacity:.8}.practice-confidence{min-height:44px;border:1px solid var(--line);border-radius:6px;background:var(--paper);color:var(--ink);padding:8px 12px;font:inherit;max-width:100%}.practice-hint{margin:16px 0;background:var(--canvas);border-radius:6px}.practice-hint p{padding:0 16px 16px;margin:0}.practice-solution{border-top:1px solid var(--line)}.practice-solution>summary{color:var(--accent)}.solution-body{padding:0 10px}.misconception{border-left:3px solid var(--warm);padding:12px 16px;background:var(--canvas);font-size:13px}.self-rubric{border:1px solid var(--line);border-radius:6px;padding:12px 16px;margin:20px 0}.self-rubric legend{font-size:13px;padding:0 6px;font-weight:600}.self-rubric label{display:flex;align-items:flex-start;gap:8px;min-height:36px;padding:6px 0;cursor:pointer}.self-rubric input{width:18px;height:18px;flex-shrink:0;accent-color:var(--accent);margin-top:3px}.practice-lab button{min-height:44px;font:inherit;font-size:13px;border:1px solid var(--accent);border-radius:7px;padding:10px 14px;color:var(--paper);background:var(--accent);cursor:pointer;margin:6px 8px 6px 0}.practice-lab button:disabled{opacity:.5;cursor:default}.practice-lab .retry-practice,.practice-lab .secondary-button{background:transparent;color:var(--accent)}.attempt-note{font-size:12px;color:var(--muted)}.practice-variant{background:var(--canvas);margin-top:18px;border-radius:6px}.practice-variant p{padding:0 16px 12px}.attempt-history{margin-top:20px;font-size:12px;color:var(--muted)}.attempt-history ol{padding-left:20px}.attempt-history li{padding:12px 0;border-top:1px solid var(--line);overflow-wrap:anywhere}.attempt-history blockquote{margin:8px 0;white-space:pre-wrap;color:var(--ink)}.practice-footer{margin-top:24px;border-top:1px solid var(--line);padding-top:16px}.practice-footer>a{display:inline-block;padding:12px 0}.practice-lab :target{scroll-margin-top:90px}@media(max-width:600px){.objective-guides{grid-template-columns:1fr}.practice-visual,.worked-example{padding:16px;margin:12px}.scenario-body{padding:4px 14px 18px}.solution-body{padding:0}.practice-toolbar{align-items:start}.practice-lab h2{font-size:27px}}@media print{.practice-answer,.practice-confidence,.save-practice,.retry-practice,#clear-practice{display:none}}
body[data-book-id="dp600"] .scenario-prompt,
body[data-book-id="dp600"] .solution-body > p:first-child {
  white-space: pre-line;
}