.practice-header[data-astro-cid-aobaddg5]{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem;margin-bottom:2rem}.pq-card[data-astro-cid-aobaddg5]{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius);padding:1.75rem;margin-bottom:1.5rem;transition:var(--transition)}.pq-num[data-astro-cid-aobaddg5]{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:var(--accent-light);color:var(--accent);font-size:.85rem;font-weight:800;border:1.5px solid var(--card-border);flex-shrink:0;margin-right:.75rem}.pq-header[data-astro-cid-aobaddg5]{display:flex;align-items:flex-start;margin-bottom:1rem}.pq-q[data-astro-cid-aobaddg5]{font-size:.95rem;color:var(--white);line-height:1.65;flex:1}.pq-options[data-astro-cid-aobaddg5]{display:flex;flex-direction:column;gap:.6rem;margin-bottom:1rem}.pq-opt[data-astro-cid-aobaddg5]{display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;background:#ffffff08;border:1.5px solid var(--glass-border);border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition);font-size:.9rem;color:var(--grey-200)}.pq-opt[data-astro-cid-aobaddg5]:hover{border-color:var(--accent);color:var(--white);background:var(--accent-light)}.pq-opt[data-astro-cid-aobaddg5].correct{border-color:var(--green-ok);background:#2ed5731a;color:#2ed573}.pq-opt[data-astro-cid-aobaddg5].wrong{border-color:var(--red-alert);background:#ff47571a;color:var(--red-alert)}.pq-opt[data-astro-cid-aobaddg5].disabled{pointer-events:none}.opt-letter[data-astro-cid-aobaddg5]{width:26px;height:26px;border-radius:50%;background:var(--glass);border:1px solid var(--glass-border);display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;flex-shrink:0}.correct[data-astro-cid-aobaddg5] .opt-letter[data-astro-cid-aobaddg5]{background:var(--green-ok);color:var(--primary);border:none}.wrong[data-astro-cid-aobaddg5] .opt-letter[data-astro-cid-aobaddg5]{background:var(--red-alert);color:#fff;border:none}.pq-explanation[data-astro-cid-aobaddg5]{display:none;background:#060a1f99;border:1px solid var(--glass-border);border-radius:var(--radius-sm);padding:1rem 1.25rem;font-size:.88rem;color:var(--grey-200);margin-top:.5rem}.pq-explanation[data-astro-cid-aobaddg5].show{display:block;animation:fadeIn .3s ease}.pq-explanation[data-astro-cid-aobaddg5] .exp-label[data-astro-cid-aobaddg5]{color:var(--accent);font-weight:700;font-size:.8rem;text-transform:uppercase;letter-spacing:.07em;margin-bottom:.4rem}.score-panel[data-astro-cid-aobaddg5]{position:sticky;top:88px;z-index:100;background:#060a1ff2;backdrop-filter:blur(10px);border:1px solid var(--card-border);border-radius:var(--radius);padding:1rem 1.5rem;display:flex;align-items:center;gap:2rem;flex-wrap:wrap}.score-panel[data-astro-cid-aobaddg5] .sp-item[data-astro-cid-aobaddg5]{text-align:center}.score-panel[data-astro-cid-aobaddg5] .sp-val[data-astro-cid-aobaddg5]{font-size:1.5rem;font-weight:800;color:var(--accent)}.score-panel[data-astro-cid-aobaddg5] .sp-label[data-astro-cid-aobaddg5]{font-size:.73rem;color:var(--grey-300);font-weight:600;text-transform:uppercase;letter-spacing:.05em}.set-divider[data-astro-cid-aobaddg5]{display:flex;align-items:center;gap:1rem;margin:2.5rem 0 1.5rem}.set-divider[data-astro-cid-aobaddg5]:before,.set-divider[data-astro-cid-aobaddg5]:after{content:"";flex:1;height:1px;background:var(--glass-border)}.set-divider-label[data-astro-cid-aobaddg5]{padding:.4rem 1.25rem;border-radius:20px;font-size:.82rem;font-weight:700;white-space:nowrap}.level-sel[data-astro-cid-aobaddg5]{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1.5rem}.level-btn[data-astro-cid-aobaddg5]{padding:.4rem 1rem;border-radius:20px;border:1.5px solid var(--glass-border);background:transparent;color:var(--grey-300);font-size:.82rem;font-weight:700;cursor:pointer;transition:var(--transition)}.level-btn[data-astro-cid-aobaddg5].active{background:var(--accent);border-color:var(--accent);color:var(--primary)}.level-btn[data-astro-cid-aobaddg5]:not(.active):hover{border-color:var(--accent);color:var(--accent)}.countdown-wrap[data-astro-cid-aobaddg5]{display:flex;align-items:center;gap:1rem;flex-wrap:wrap}.countdown-display[data-astro-cid-aobaddg5]{font-family:var(--font-mono);font-size:1.4rem;font-weight:800;color:var(--accent)}.countdown-input[data-astro-cid-aobaddg5]{width:70px;background:#060a1f99;border:1.5px solid var(--card-border);border-radius:var(--radius-sm);padding:.4rem .6rem;color:var(--white);font-family:var(--font-mono);font-size:1rem;outline:none}