.practice-dialog{width:min(560px,calc(100vw - 28px));max-height:85dvh;box-sizing:border-box;overflow:auto;border:1px solid #dce4f2;border-radius:20px;padding:22px;color:#18314e;background:#fff}.practice-dialog::backdrop{background:#182d4e55}.practice-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.practice-heading strong{font-size:21px}.practice-dialog button{cursor:pointer}.practice-dialog textarea{box-sizing:border-box;width:100%;padding:12px;margin:8px 0;border:1px solid #ccd6e6;border-radius:12px;font:inherit;font-size:16px;resize:vertical}.practice-count{display:flex;justify-content:space-between;gap:12px;margin-top:16px}.practice-topics{display:grid;grid-template-columns:1fr 1fr;gap:10px}.practice-topics button{padding:14px;text-align:left;min-height:48px;background:#f3f6ff;border:1px solid #dce4f2;border-radius:12px;color:#27496e}.practice-set h3{font-size:1.15em}.practice-question{padding:16px 0;border-top:1px solid #e0e7f1}.practice-question img{display:block;width:100%;max-width:460px;height:auto;margin:12px auto}.practice-source{font-size:13px;color:#66768e;overflow-wrap:anywhere}.practice-source a{color:#426cab}.practice-question summary{cursor:pointer;min-height:36px;color:#355b9b}.answer-actions{flex-wrap:wrap}.practice-count select{font:inherit;min-height:40px}.practice-dialog [role=status]{font-size:14px;color:#62728a;line-height:1.6}