.pq-wrap{max-width:820px;margin:0 auto;padding:20px 16px 60px}.pq-wrap h1{font-size:1.8rem;font-weight:800;margin-bottom:4px}.pq-sub{font-size:.8rem;color:var(--text-muted);font-family:var(--font-mono);margin-bottom:28px}.pq-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px;margin-bottom:32px}.pq-deck-btn{display:flex;flex-direction:column;gap:6px;padding:16px;border-radius:12px;border:2px solid var(--border2);background:var(--surface);cursor:pointer;text-align:left;transition:all .15s}.pq-deck-btn:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 4px 16px var(--shadow)}.pq-deck-icon{font-size:2rem}.pq-deck-name{font-weight:700;font-size:.95rem;color:var(--text)}.pq-deck-meta{font-size:.75rem;color:var(--text-muted);font-family:var(--font-mono)}.pq-deck-count{display:inline-block;background:var(--border2);border-radius:6px;padding:1px 7px;font-size:.7rem;font-weight:700;color:var(--text-muted);margin-top:2px}.pq-area{display:none}.pq-area.active{display:block}.pq-topbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:16px}.pq-quiz-name{font-weight:700;font-size:.9rem;color:var(--text)}.pq-back-btn{font-family:var(--font-mono);font-size:12px;padding:5px 14px;border-radius:99px;border:1.5px solid var(--border2);background:var(--surface);color:var(--text-muted);cursor:pointer;transition:all .15s}.pq-back-btn:hover{background:var(--surface2);color:var(--text)}.pq-progress-bar{height:6px;border-radius:99px;background:var(--border2);margin-bottom:6px;overflow:hidden}.pq-progress-fill{height:100%;border-radius:99px;background:#6366f1;transition:width .3s}.pq-progress-text{display:flex;justify-content:space-between;font-size:.75rem;color:var(--text-muted);font-family:var(--font-mono);margin-bottom:20px}.pq-score-live{color:#22c55e;font-weight:700}.pq-question-card{background:var(--surface);border:2px solid var(--border2);border-radius:16px;padding:28px 28px 22px;margin-bottom:20px}.pq-q-num{font-size:.7rem;font-family:var(--font-mono);color:var(--text-muted);margin-bottom:10px;text-transform:uppercase;letter-spacing:1px}.pq-q-text{font-size:1.1rem;font-weight:600;line-height:1.5;color:var(--text);margin-bottom:22px}.pq-options{display:flex;flex-direction:column;gap:10px}.pq-option{display:flex;align-items:flex-start;gap:12px;padding:12px 16px;border-radius:10px;border:2px solid var(--border2);background:var(--surface2);cursor:pointer;text-align:left;width:100%;font-size:.95rem;color:var(--text);line-height:1.4;transition:border-color .12s,background .12s}.pq-option:hover:not(:disabled){border-color:#6366f1;background:var(--surface)}.pq-option:disabled{cursor:default}.pq-option-letter{min-width:26px;height:26px;border-radius:50%;background:var(--border2);color:var(--text-muted);display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:800;font-family:var(--font-mono);flex-shrink:0;margin-top:1px;transition:background .12s,color .12s}.pq-option.correct{border-color:#22c55e;background:#f0fdf4}.pq-option.correct .pq-option-letter{background:#22c55e;color:#fff}.pq-option.wrong{border-color:#ef4444;background:#fef2f2}.pq-option.wrong .pq-option-letter{background:#ef4444;color:#fff}html[data-theme=dark] .pq-option.correct{background:#22c55e1f}html[data-theme=dark] .pq-option.wrong{background:#ef44441f}.pq-explain{display:none;margin-top:16px;padding:14px 16px;border-radius:10px;border-left:4px solid #6366f1;background:var(--surface2);font-size:.88rem;line-height:1.55;color:var(--text-muted)}.pq-explain.visible{display:block}.pq-explain strong{color:var(--text)}.pq-next-btn{display:none;margin-top:14px;font-family:var(--font-mono);font-size:13px;font-weight:700;padding:10px 28px;border-radius:99px;background:#6366f1;color:#fff;border:none;cursor:pointer;transition:opacity .15s}.pq-next-btn:hover{opacity:.88}.pq-next-btn.visible{display:inline-flex;align-items:center;gap:6px}.pq-kbd{font-size:.72rem;color:var(--text-muted);font-family:var(--font-mono);margin-top:6px}.pq-kbd kbd{background:var(--border2);border-radius:4px;padding:1px 6px}.pq-results{display:none;text-align:center;padding:40px 16px}.pq-results.active{display:block}.pq-result-score{font-size:4.5rem;font-weight:800;line-height:1}.pq-result-of{font-size:1rem;color:var(--text-muted);margin-bottom:6px}.pq-result-msg{font-size:1rem;color:var(--text-muted);margin-bottom:28px}.pq-result-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:32px}.pq-r-btn{font-family:var(--font-mono);font-size:13px;font-weight:700;padding:10px 26px;border-radius:99px;border:2px solid var(--border2);background:var(--surface);color:var(--text);cursor:pointer;transition:all .15s}.pq-r-btn:hover{background:var(--surface2)}.pq-r-btn.primary{background:#6366f1;color:#fff;border-color:#6366f1}.pq-review{text-align:left;max-width:640px;margin:0 auto}.pq-review h3{font-size:.85rem;font-family:var(--font-mono);color:var(--text-muted);margin-bottom:14px;text-transform:uppercase}.pq-review-item{padding:14px 16px;border-radius:10px;border:1.5px solid var(--border2);background:var(--surface);margin-bottom:10px}.pq-review-item.correct-r{border-color:#22c55e}.pq-review-item.wrong-r{border-color:#ef4444}.pq-review-q{font-size:.88rem;font-weight:600;color:var(--text);margin-bottom:4px}.pq-review-ans{font-size:.8rem;color:var(--text-muted);font-family:var(--font-mono)}.pq-review-exp{font-size:.8rem;color:var(--text-muted);margin-top:4px}@media (max-width: 600px){.pq-question-card{padding:20px 16px 16px}.pq-q-text{font-size:1rem}.pq-option{font-size:.88rem}}