/* R72/R73 additions use the existing design system. */
.dg-topic-practice,.dg-project-note{margin:1.5rem 0;padding:1.4rem;border:1px solid var(--border,#35404f);border-radius:18px;background:var(--card,#171e2b)}
.dg-topic-controls{display:flex;flex-wrap:wrap;gap:1rem;align-items:end}
.dg-topic-controls label{display:grid;gap:.55rem;flex:1 1 24rem;min-width:0;font-weight:650}
.dg-topic-controls select{box-sizing:border-box;width:100%;max-width:100%;padding:.85rem .65rem;font:inherit;border-radius:9px;border:1px solid #64748b;background:#101827;color:#f8fafc}
.dg-topic-controls button{min-height:46px;white-space:normal}
.dg-topic-practice [role=status]{min-height:1.5em;font-size:.95rem}
.dg-project-note a{font-weight:700;text-decoration:underline;color:inherit}
@media(max-width:600px){.dg-topic-controls{display:block}.dg-topic-controls button{width:100%;margin-top:.8rem}.dg-topic-practice,.dg-project-note{padding:1rem}.dg-topic-controls select{font-size:16px}}

/* R73: category practice and explicit, local progress. */
.dg-category-practice{border:1px solid #ddd3e5;border-radius:16px;padding:clamp(16px,3vw,28px);margin:22px 0;background:white}
.dg-category-controls{display:grid;grid-template-columns:minmax(0,2fr) minmax(130px,1fr);gap:16px;align-items:end}
.dg-category-controls label{display:grid;gap:8px;font-weight:700;min-width:0}
.dg-category-controls select{width:100%;max-width:100%;min-height:46px;border:1px solid #64748b;border-radius:8px;background:#101827;color:#f8fafc;padding:10px;font:inherit}
.dg-category-actions{display:flex;flex-wrap:wrap;gap:12px;margin:16px 0}
.dg-category-note{margin:12px 0;line-height:1.55;overflow-wrap:anywhere}
.dg-category-progress{display:block;width:100%;height:16px;margin:10px 0;accent-color:#714885}
.dg-question-bank [data-bank-filter]{display:grid;gap:8px;margin:18px 0}
.dg-question-bank [data-bank-filter] select{max-width:100%;min-height:44px;padding:8px;font:inherit}
.dg-category-practice button:focus-visible,.dg-category-practice select:focus-visible{outline:3px solid #86549d;outline-offset:3px}
@media(max-width:580px){.dg-category-controls{grid-template-columns:minmax(0,1fr)}.dg-category-actions button{width:100%;white-space:normal}}

.dg-category-progress[hidden],.dg-question-bank [data-bank-filter][hidden],.dg-reference-question[hidden]{display:none}