.practice-status{padding:14px 18px;margin-bottom:18px;border:1px solid var(--line,#d9dff0);border-radius:10px;background:var(--surface,#f6f7fb);font-weight:600;line-height:1.7}.optional-materials{margin:24px 0}.optional-materials>summary{cursor:pointer;padding:14px 0;line-height:1.7}.optional-materials[open]>.online-grid{margin-top:16px}.active-practice{border-inline-start:4px solid var(--accent,#3159e6)}.online-bubble:target{outline:2px solid var(--accent,#3159e6)}#remaining-time{font-variant-numeric:tabular-nums}.online-compact .practice-confirm>.button{margin-top:8px}