/* Focused practice and resource previews: no external dependencies. */
.practice-panel{border:1px solid #334155;background:#1b2434;border-radius:16px;padding:clamp(16px,4vw,24px);margin:24px 0;color:#edf2f7}
.practice-panel h2{margin:0 0 12px;font-size:22px;line-height:1.3}.practice-panel h3{font-size:17px;margin:14px 0 8px}
.practice-panel p{line-height:1.7;color:#c5cbd6}.practice-panel a{color:#a7d8d4;text-underline-offset:3px}.practice-nav{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}
.practice-nav a,.practice-panel .practice-button{display:inline-flex;justify-content:center;align-items:center;min-height:44px;padding:10px 15px;border-radius:9px;border:1px solid #a7d8d4;background:#a7d8d4;color:#111827;font:inherit;font-size:14px;font-weight:600;line-height:1.4;text-decoration:none;cursor:pointer;white-space:normal}
.practice-nav a.secondary{background:transparent;color:#a7d8d4}.practice-panel :focus-visible,.practice-nav a:focus-visible{outline:3px solid #f1c982;outline-offset:4px}
.counter-groups{display:flex;gap:14px;flex-wrap:wrap;margin:16px 0}.counter-group{display:grid;grid-template-columns:repeat(4,14px);gap:7px;padding:12px;border:1px solid #91c9b0;border-radius:10px}.counter{width:14px;height:14px;background:#91c9b0;border-radius:50%}
.fact-array{display:grid;grid-template-columns:repeat(8,14px);gap:7px;margin:18px 0;width:max-content;max-width:100%}.fact-array .extra{background:#f1c982}
.practice-panel table{width:100%;border-collapse:collapse;margin:16px 0}.practice-panel th,.practice-panel td{border:1px solid #536174;padding:10px;text-align:center}.practice-panel th{background:#243d45;color:#e8faf8}
.practice-panel ol{padding-left:24px}.practice-panel li{padding:12px 0}.practice-panel label{display:block;font-weight:600;margin-bottom:8px;line-height:1.6}.practice-input{width:100%;max-width:170px;min-height:44px;background:#111827;color:#fff;border:1px solid #929bac;border-radius:8px;padding:10px;font:inherit}
.practice-panel details{margin:12px 0;border-top:1px solid #334155;padding-top:12px}.practice-panel summary{cursor:pointer;min-height:44px;padding:10px 0;color:#a7d8d4}.practice-feedback{min-height:1.4em;margin-top:8px;font-size:14px}.practice-feedback[data-result="correct"]{color:#b9ecd2}.practice-feedback[data-result="wrong"]{color:#f1c982}.practice-score{font-weight:600;margin:14px 0}.practice-actions{display:flex;gap:10px;flex-wrap:wrap}
.flashcard-samples{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.flashcard-sample{padding:16px;background:#111827;border:1px solid #536174;border-radius:12px}.practice-panel figure{margin:16px 0}.practice-panel img{display:block;max-width:100%;height:auto;border-radius:8px;margin:auto}.practice-panel figcaption{font-size:13px;color:#c5cbd6;line-height:1.6;margin-top:10px}
@media(max-width:480px){.flashcard-samples{grid-template-columns:1fr}.practice-nav a{flex:1 1 140px}.practice-panel th,.practice-panel td{padding:7px}.practice-panel h2{font-size:20px}}

.practice-panel [data-js-control][hidden]{display:none}
@media(max-width:480px){.practice-panel table{font-size:13px}.practice-panel th,.practice-panel td{padding:6px 4px}}