.practice-card{background:var(--card);border:1px solid var(--line);border-radius:13px;padding:21px 22px;margin-top:18px}.practice-prompt{font-size:16px;font-weight:600;margin:17px 0;color:var(--ink)}.practice-options{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.practice-option{border:1px solid var(--line);background:#fbfcff;border-radius:9px;padding:12px 14px;text-align:left;cursor:pointer;color:#4e5a6e;font:inherit}.practice-option:hover{border-color:#8bb0ff;background:#f3f7ff}.practice-option.selected{border-color:var(--blue);background:#edf3ff;color:var(--blue-dark);box-shadow:0 0 0 2px #e9f0ff}.practice-option.correct{border-color:#3db477;background:#eaf9f0;color:#177346}.practice-option.wrong{border-color:#ed8b8b;background:#fff1f1;color:#b33d3d}.practice-actions{display:flex;align-items:center;gap:10px;margin-top:17px}.practice-actions .primary-button,.practice-actions .ghost-button{padding:8px 13px}.practice-actions span{font-size:13px;font-weight:600}.practice-actions span.success{color:#16804b}.practice-actions span.error{color:#b33d3d}.practice-solution{margin-top:15px;background:#f7f8fb;border-left:3px solid var(--blue);padding:12px 14px;color:#5a667a}.practice-solution.hidden{display:none}@media(max-width:640px){.practice-options{grid-template-columns:1fr}.practice-actions{flex-wrap:wrap}}