.mega-quiz{--mq-accent:var(--tf-accent-yellow,#fbbf24);--mq-accent-hover:#d4911a;--mq-accent-text:#1a1000;--mq-bg:var(--tf-bg-card);--mq-bg-alt:var(--tf-bg-card-hover,#1a2332);--mq-border:var(--tf-border);--mq-text:var(--tf-text-primary);--mq-text-muted:var(--tf-text-secondary);--mq-success-bg:#10b98126;--mq-success-text:#10b981;--mq-danger-bg:#ef444426;--mq-danger-text:#ef4444;--mq-info-bg:#22d3ee1f;--mq-info-text:var(--tf-primary);--mq-warn-bg:#fbbf241f;--mq-warn-text:var(--tf-accent-yellow);width:100%;max-width:100%;padding:0;font-family:inherit}.mega-quiz .mq-hdr{text-align:center;margin-bottom:1.5rem}.mega-quiz .mq-hdr-tag{color:var(--mq-info-text);letter-spacing:.08em;text-transform:uppercase;margin-bottom:.4rem;font-size:11px;font-weight:600}.mega-quiz .mq-hdr h2{color:var(--mq-text);margin:0;font-size:clamp(1.35rem,4vw,1.75rem);font-weight:700}.mega-quiz .mq-hdr h2 span{color:var(--mq-accent)}.mega-quiz .mq-hdr p{color:var(--mq-text-muted);margin-top:.3rem;font-size:13px}.mega-quiz .mq-filter-row{flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;margin-bottom:1rem;display:flex}.mega-quiz .mq-filter-row label{color:var(--mq-text-muted);font-size:13px}.mega-quiz .mq-fl-btn{border:1px solid var(--mq-border);cursor:pointer;background:var(--tf-bg-dark);color:var(--mq-text-muted);border-radius:20px;padding:6px 14px;font-size:12px;transition:all .15s}.mega-quiz .mq-fl-btn.active{background:var(--mq-accent);border-color:var(--mq-accent);color:var(--mq-accent-text);font-weight:600}.mega-quiz .mq-cats{grid-template-columns:repeat(auto-fill,minmax(145px,1fr));gap:10px;display:grid}.mega-quiz .mq-cat-card{background:var(--mq-bg);border:1px solid var(--mq-border);cursor:pointer;text-align:center;border-radius:14px;padding:1.1rem .9rem;transition:border-color .15s,background .15s,transform .15s}.mega-quiz .mq-cat-card:hover{border-color:var(--tf-primary);background:var(--mq-bg-alt);transform:translateY(-2px)}.mega-quiz .mq-cat-icon{margin-bottom:.5rem;font-size:26px}.mega-quiz .mq-cat-name{color:var(--mq-text);font-size:13px;font-weight:600}.mega-quiz .mq-cat-count{color:var(--mq-text-muted);margin-top:.2rem;font-size:11px}.mega-quiz .mq-lvl-badge{border-radius:6px;margin:2px 1px;padding:2px 6px;font-size:10px;font-weight:500;display:inline-block}.mega-quiz .mq-lp{background:var(--mq-success-bg);color:var(--mq-success-text)}.mega-quiz .mq-ls{background:var(--mq-info-bg);color:var(--mq-info-text)}.mega-quiz .mq-lu{background:var(--mq-warn-bg);color:var(--mq-warn-text)}.mega-quiz .mq-back-btn{border:1px solid var(--mq-border);cursor:pointer;color:var(--mq-text-muted);background:0 0;border-radius:8px;align-items:center;gap:5px;margin-bottom:1rem;padding:6px 12px;font-size:12px;display:inline-flex}.mega-quiz .mq-back-btn:hover{background:var(--mq-bg-alt);color:var(--mq-text)}.mega-quiz .mq-q-meta{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:6px;margin-bottom:.8rem;display:flex}.mega-quiz .mq-q-title{color:var(--mq-text);font-size:16px;font-weight:600}.mega-quiz .mq-prog-row{align-items:center;gap:8px;margin-bottom:1.2rem;display:flex}.mega-quiz .mq-prog-bar{background:var(--mq-border);border-radius:4px;flex:1;min-width:0;height:4px;overflow:hidden}.mega-quiz .mq-prog-fill{background:var(--mq-accent);border-radius:4px;height:100%;transition:width .3s}.mega-quiz .mq-prog-txt,.mega-quiz .mq-score-live{color:var(--mq-text-muted);white-space:nowrap;font-size:12px}.mega-quiz .mq-qcard{background:var(--mq-bg);border:1px solid var(--mq-border);border-radius:14px;padding:1.25rem}.mega-quiz .mq-q-subj{color:var(--mq-text-muted);letter-spacing:.04em;margin-bottom:.4rem;font-size:11px;font-weight:600}.mega-quiz .mq-q-txt{color:var(--mq-text);margin-bottom:1.1rem;font-size:15px;font-weight:500;line-height:1.55}.mega-quiz .mq-opts{flex-direction:column;gap:7px;display:flex}.mega-quiz .mq-opt{background:var(--mq-bg-alt);border:1px solid var(--mq-border);text-align:left;cursor:pointer;color:var(--mq-text);border-radius:8px;align-items:flex-start;gap:8px;width:100%;padding:.65rem .9rem;font-size:13px;line-height:1.4;transition:all .15s;display:flex}.mega-quiz .mq-opt:hover:not(:disabled){border-color:var(--tf-primary)}.mega-quiz .mq-opt.correct{background:var(--mq-success-bg);border-color:var(--mq-success-text);color:var(--mq-success-text)}.mega-quiz .mq-opt.wrong{background:var(--mq-danger-bg);border-color:var(--mq-danger-text);color:var(--mq-danger-text)}.mega-quiz .mq-opt.reveal{background:var(--mq-success-bg);border-color:var(--mq-success-text);color:var(--mq-success-text);opacity:.75}.mega-quiz .mq-opt-ltr{background:var(--mq-border);border-radius:50%;justify-content:center;align-items:center;width:20px;min-width:20px;height:20px;margin-top:1px;font-size:10px;font-weight:600;display:flex}.mega-quiz .mq-exp{background:var(--mq-bg-alt);color:var(--mq-text-muted);border-radius:8px;margin-top:.9rem;padding:.65rem .9rem;font-size:12px;line-height:1.6}.mega-quiz .mq-nxt{background:var(--mq-accent);cursor:pointer;color:var(--mq-accent-text);border:none;border-radius:8px;width:100%;margin-top:1rem;padding:.65rem 1.4rem;font-size:13px;font-weight:600}.mega-quiz .mq-nxt:hover{background:var(--mq-accent-hover)}.mega-quiz .mq-res-wrap{text-align:center;padding:1.5rem 0}.mega-quiz .mq-score-circle{background:var(--mq-bg-alt);border:3px solid var(--mq-accent);border-radius:50%;flex-direction:column;justify-content:center;align-items:center;width:100px;height:100px;margin:0 auto 1.2rem;display:flex}.mega-quiz .mq-sc-num{color:var(--mq-text);font-size:26px;font-weight:600}.mega-quiz .mq-sc-den{color:var(--mq-text-muted);font-size:12px}.mega-quiz .mq-res-msg{color:var(--mq-text);margin-bottom:.3rem;font-size:17px;font-weight:600}.mega-quiz .mq-res-sub{color:var(--mq-text-muted);margin-bottom:1.5rem;font-size:13px}.mega-quiz .mq-res-btns{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.mega-quiz .mq-rb{border:1px solid var(--mq-border);cursor:pointer;background:var(--mq-bg);color:var(--mq-text);border-radius:8px;align-items:center;gap:5px;padding:.6rem 1.1rem;font-size:13px;display:inline-flex}.mega-quiz .mq-rb.pri{background:var(--mq-accent);border-color:var(--mq-accent);color:var(--mq-accent-text);font-weight:600}.mega-quiz .mq-rb:hover{background:var(--mq-bg-alt)}.mega-quiz .mq-rb.pri:hover{background:var(--mq-accent-hover)}@media (max-width:575px){.mega-quiz .mq-cats{grid-template-columns:repeat(auto-fill,minmax(130px,1fr))}.mega-quiz .mq-filter-row{justify-content:flex-start}}