.practice-shell[data-astro-cid-fbtkqadv]{max-width:980px;margin:0 auto;padding:46px 24px 100px}.practice-top[data-astro-cid-fbtkqadv]{color:var(--muted);justify-content:space-between;font:11px DM Mono,monospace;display:flex}.practice-top[data-astro-cid-fbtkqadv] a[data-astro-cid-fbtkqadv]:hover,.session-actions[data-astro-cid-fbtkqadv] a[data-astro-cid-fbtkqadv]:hover{color:var(--teal)}.practice-heading[data-astro-cid-fbtkqadv]{padding:70px 0 34px}.practice-kicker[data-astro-cid-fbtkqadv]{color:var(--teal);letter-spacing:.15em;font:10px DM Mono,monospace}.practice-heading[data-astro-cid-fbtkqadv] h1[data-astro-cid-fbtkqadv]{letter-spacing:-.07em;margin:17px 0;font-size:clamp(40px,6vw,66px);line-height:1.05}.practice-heading[data-astro-cid-fbtkqadv] h1[data-astro-cid-fbtkqadv] span[data-astro-cid-fbtkqadv]{color:var(--teal)}.practice-heading[data-astro-cid-fbtkqadv] p[data-astro-cid-fbtkqadv],.practice-footnote[data-astro-cid-fbtkqadv]{color:var(--muted);max-width:610px}.practice-panel[data-astro-cid-fbtkqadv]{border:1px solid var(--line);background:linear-gradient(145deg,#10212a,#0b151d);border-radius:20px;min-height:310px;padding:clamp(22px,5vw,48px)}.practice-stats[data-astro-cid-fbtkqadv]{grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:42px;display:grid}.practice-stats[data-astro-cid-fbtkqadv] div[data-astro-cid-fbtkqadv]{border:1px solid var(--line);border-radius:12px;gap:4px;padding:14px;display:grid}.practice-stats[data-astro-cid-fbtkqadv] strong[data-astro-cid-fbtkqadv]{color:var(--teal);font-size:24px}.practice-stats[data-astro-cid-fbtkqadv] span[data-astro-cid-fbtkqadv],.quiz-meta[data-astro-cid-fbtkqadv],.quiz-progress-row[data-astro-cid-fbtkqadv],.quiz-concepts[data-astro-cid-fbtkqadv]{color:var(--muted);letter-spacing:.06em;font:10px DM Mono,monospace}.practice-start[data-astro-cid-fbtkqadv] h2[data-astro-cid-fbtkqadv],.session-complete[data-astro-cid-fbtkqadv] h2[data-astro-cid-fbtkqadv]{letter-spacing:-.04em;margin-bottom:8px;font-size:30px}.practice-start[data-astro-cid-fbtkqadv] p[data-astro-cid-fbtkqadv],.session-complete[data-astro-cid-fbtkqadv] p[data-astro-cid-fbtkqadv]{color:var(--muted);max-width:600px}.practice-button[data-astro-cid-fbtkqadv]{border:1px solid var(--teal);background:var(--teal);color:#061513;cursor:pointer;border-radius:9px;padding:13px 18px;font-weight:750}.practice-button[data-astro-cid-fbtkqadv]:disabled{opacity:.45;cursor:not-allowed}.practice-button[data-astro-cid-fbtkqadv] span[data-astro-cid-fbtkqadv]{margin-left:16px}.quiz-progress-row[data-astro-cid-fbtkqadv]{justify-content:space-between;display:flex}.quiz-track[data-astro-cid-fbtkqadv]{background:#23363d;border-radius:9px;height:5px;margin:13px 0 27px;overflow:hidden}.quiz-track[data-astro-cid-fbtkqadv] span[data-astro-cid-fbtkqadv]{background:var(--teal);height:100%;transition:width .2s;display:block}.quiz-meta[data-astro-cid-fbtkqadv]{justify-content:space-between;display:flex}.quiz-prompt[data-astro-cid-fbtkqadv]{letter-spacing:-.035em;margin:20px 0 9px;font-size:clamp(21px,3vw,30px);line-height:1.3}.quiz-hint[data-astro-cid-fbtkqadv]{color:var(--muted);font-size:13px}.quiz-options[data-astro-cid-fbtkqadv]{gap:10px;margin:25px 0;display:grid}.quiz-option[data-astro-cid-fbtkqadv]{text-align:left;border:1px solid var(--line);color:var(--text);cursor:pointer;background:#0c1921;border-radius:11px;align-items:center;gap:13px;padding:15px;display:flex}.quiz-option[data-astro-cid-fbtkqadv]:hover,.quiz-option[data-astro-cid-fbtkqadv].selected{border-color:var(--teal);background:#12302f}.quiz-option-mark[data-astro-cid-fbtkqadv]{border:1px solid #6b858a;border-radius:50%;flex:none;width:17px;height:17px}.quiz-option[data-astro-cid-fbtkqadv].selected .quiz-option-mark[data-astro-cid-fbtkqadv]{background:var(--teal);border-color:var(--teal);box-shadow:inset 0 0 0 4px #12302f}.quiz-option[data-astro-cid-fbtkqadv].answer-correct{border-color:#4adcc8}.quiz-option[data-astro-cid-fbtkqadv].answer-wrong{border-color:#d98777}.quiz-controls[data-astro-cid-fbtkqadv]{justify-content:space-between;align-items:center;gap:15px;margin-top:24px;display:flex}.quiz-concepts[data-astro-cid-fbtkqadv]{max-width:60%;line-height:1.8}.answer-feedback[data-astro-cid-fbtkqadv]{border-radius:11px;margin:18px 0;padding:16px}.answer-feedback[data-astro-cid-fbtkqadv] p[data-astro-cid-fbtkqadv]{margin:5px 0 0}.answer-feedback[data-astro-cid-fbtkqadv].is-correct{background:#12332d;border:1px solid #286d5b}.answer-feedback[data-astro-cid-fbtkqadv].is-incorrect{background:#352522;border:1px solid #875447}.session-complete[data-astro-cid-fbtkqadv]{padding:32px 0}.session-complete[data-astro-cid-fbtkqadv] h2[data-astro-cid-fbtkqadv]{color:var(--teal);margin-top:16px;font-size:48px}.session-actions[data-astro-cid-fbtkqadv]{align-items:center;gap:22px;margin-top:28px;font-size:13px;display:flex}.practice-footnote[data-astro-cid-fbtkqadv]{margin-top:18px;font-size:11px}@media (width<=620px){.practice-shell[data-astro-cid-fbtkqadv]{padding:28px 18px 70px}.practice-heading[data-astro-cid-fbtkqadv]{padding:50px 0 26px}.practice-stats[data-astro-cid-fbtkqadv]{gap:7px}.practice-stats[data-astro-cid-fbtkqadv] div[data-astro-cid-fbtkqadv]{padding:10px}.practice-stats[data-astro-cid-fbtkqadv] strong[data-astro-cid-fbtkqadv]{font-size:20px}.quiz-controls[data-astro-cid-fbtkqadv],.session-actions[data-astro-cid-fbtkqadv]{flex-direction:column;align-items:stretch}.quiz-concepts[data-astro-cid-fbtkqadv]{max-width:none}.quiz-controls[data-astro-cid-fbtkqadv] .practice-button[data-astro-cid-fbtkqadv]{width:100%}}.fill-label[data-astro-cid-fbtkqadv]{color:var(--muted);margin:24px 0 8px;font-size:12px;display:block}.fill-answer[data-astro-cid-fbtkqadv],.matching-row[data-astro-cid-fbtkqadv] select[data-astro-cid-fbtkqadv]{border:1px solid var(--line);width:100%;color:var(--text);font:inherit;background:#0c1921;border-radius:9px;padding:14px}.fill-answer[data-astro-cid-fbtkqadv]:focus,.matching-row[data-astro-cid-fbtkqadv] select[data-astro-cid-fbtkqadv]:focus{outline:2px solid var(--teal);outline-offset:2px}.matching-list[data-astro-cid-fbtkqadv],.ordering-list[data-astro-cid-fbtkqadv]{gap:10px;margin:24px 0;display:grid}.matching-row[data-astro-cid-fbtkqadv]{border:1px solid var(--line);background:#0c1921;border-radius:10px;grid-template-columns:1fr minmax(180px,.8fr);align-items:center;gap:14px;padding:12px;display:grid}.matching-row[data-astro-cid-fbtkqadv] span[data-astro-cid-fbtkqadv]{font-size:13px}.ordering-row[data-astro-cid-fbtkqadv]{border:1px solid 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