.quiz{--q-bg:#f0eee6;--q-card:#fffdf9;--q-ink:#262624;--q-muted:#6b6a63;--q-line:#e3ddd0;--q-chip:#f5efe4;--q-accent:#cc785c;--q-accent-strong:#b35f45;--q-good:#2f7d59;--q-good-soft:#e6f2ea;--q-bad:#b3402f;--q-bad-soft:#f6e5e1;color:var(--q-ink)}.dark .quiz{--q-bg:#262624;--q-card:#2f2e2b;--q-ink:#f0eee6;--q-muted:#b5b2a6;--q-line:#46443e;--q-chip:#3a3833;--q-accent:#e0956f;--q-accent-strong:#eeb290;--q-good:#7fc7a1;--q-good-soft:#2b3a33;--q-bad:#e8a08f;--q-bad-soft:#3d2c2a}.quiz-warning{border:1px solid var(--q-line);background:var(--q-chip);color:var(--q-ink);border-radius:.9rem;margin-bottom:1.5rem;padding:.9rem 1.1rem;font-size:.9rem;line-height:1.5}.quiz-warning strong{color:var(--q-accent-strong)}.quiz-muted{color:var(--q-muted)}.quiz-grid{gap:1.25rem;display:grid}@media (width>=640px){.quiz-grid.cols-2{grid-template-columns:1fr 1fr}}.quiz-card{background:var(--q-card);border:1px solid var(--q-line);box-shadow:var(--shadow-card);border-radius:1rem;padding:1.5rem}.quiz-card h2{letter-spacing:-.01em;font-size:1.15rem;font-weight:700}.quiz-card p.desc{color:var(--q-muted);margin-top:.4rem;font-size:.92rem;line-height:1.55}.quiz-btn{cursor:pointer;border:1px solid #0000;border-radius:.7rem;justify-content:center;align-items:center;gap:.5rem;padding:.6rem 1.1rem;font-size:.92rem;font-weight:600;transition:transform .15s,background .15s;display:inline-flex}.quiz-btn:hover{transform:translateY(-1px)}.quiz-btn-primary{background:var(--q-accent);color:#fff}.quiz-btn-ghost{border-color:var(--q-line);color:var(--q-ink);background:0 0}.quiz-btn:disabled{opacity:.45;cursor:not-allowed;transform:none}.quiz-chip{border:1px solid var(--q-line);background:var(--q-chip);color:var(--q-muted);border-radius:999px;align-items:center;gap:.35rem;padding:.2rem .6rem;font-size:.72rem;font-weight:600;display:inline-flex}.quiz-progress{color:var(--q-muted);font-size:.85rem;font-weight:600}.quiz-timer{font-variant-numeric:tabular-nums;border:1px solid var(--q-line);background:var(--q-chip);border-radius:.6rem;padding:.3rem .7rem;font-size:.95rem;font-weight:700}.quiz-timer.low{color:var(--q-bad);border-color:var(--q-bad)}.quiz-stem{margin-top:.75rem;font-size:1.05rem;font-weight:600;line-height:1.55}.quiz-stem code,.quiz-opt code,.quiz-exp code{background:var(--q-chip);border:1px solid var(--q-line);border-radius:4px;padding:.05rem .3rem;font-size:.85em}.quiz-options{gap:.6rem;margin-top:1.1rem;display:grid}.quiz-opt{text-align:left;border:1px solid var(--q-line);background:var(--q-card);width:100%;color:var(--q-ink);cursor:pointer;border-radius:.7rem;align-items:flex-start;gap:.75rem;padding:.8rem .95rem;font-size:.95rem;line-height:1.5;transition:border-color .12s,background .12s;display:flex}.quiz-opt:hover:not(:disabled){border-color:var(--q-accent)}.quiz-opt[aria-checked=true]{border-color:var(--q-accent);background:var(--q-chip)}.quiz-opt:disabled{cursor:default}.quiz-opt .letter{border:1px solid var(--q-line);background:var(--q-chip);border-radius:.45rem;flex:none;place-items:center;width:1.6rem;height:1.6rem;font-size:.8rem;font-weight:700;display:grid}.quiz-opt.correct{border-color:var(--q-good);background:var(--q-good-soft)}.quiz-opt.correct .letter{background:var(--q-good);color:#fff;border-color:var(--q-good)}.quiz-opt.wrong{border-color:var(--q-bad);background:var(--q-bad-soft)}.quiz-opt.wrong .letter{background:var(--q-bad);color:#fff;border-color:var(--q-bad)}.quiz-exp{border:1px solid var(--q-line);border-radius:.7rem;margin-top:1rem;overflow:hidden}.quiz-exp .row{border-top:1px solid var(--q-line);padding:.75rem .95rem;font-size:.9rem;line-height:1.55}.quiz-exp .row:first-child{border-top:none}.quiz-exp .row.good{background:var(--q-good-soft)}.quiz-exp .row .lab{font-weight:700}.quiz-exp .row.good .lab{color:var(--q-good)}.quiz-exp .row.why .lab{color:var(--q-muted)}.quiz-nav{flex-wrap:wrap;align-items:center;gap:.6rem;margin-top:1.4rem;display:flex}.quiz-nav .spacer{flex:1}.quiz-topbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem;display:flex}.quiz-navigator{flex-wrap:wrap;gap:.35rem;margin-top:1rem;display:flex}.quiz-navigator button{border:1px solid var(--q-line);background:var(--q-card);width:2rem;height:2rem;color:var(--q-muted);cursor:pointer;border-radius:.4rem;font-size:.75rem;font-weight:700}.quiz-navigator button.answered{background:var(--q-chip);color:var(--q-ink);border-color:var(--q-accent)}.quiz-navigator button.flagged{border-color:var(--q-bad);color:var(--q-bad)}.quiz-navigator button.current{outline:2px solid var(--q-accent);outline-offset:1px}.quiz-score{letter-spacing:-.02em;font-size:2.6rem;font-weight:800}.quiz-verdict{font-size:1.05rem;font-weight:700}.quiz-verdict.pass{color:var(--q-good)}.quiz-verdict.fail{color:var(--q-bad)}.quiz-bar{background:var(--q-chip);border-radius:999px;height:.5rem;overflow:hidden}.quiz-bar>span{background:var(--q-accent);height:100%;display:block}.quiz-dommetric{gap:.4rem;display:grid}.quiz-dommetric .lbl{justify-content:space-between;font-size:.85rem;display:flex}.quiz-cta{border:1px solid var(--q-line);background:var(--q-chip);border-radius:1rem;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem;margin-top:1.5rem;padding:1.1rem 1.25rem;display:flex}.quiz-cta p{color:var(--q-ink);max-width:34rem;font-size:.9rem}.quiz-cta p strong{color:var(--q-accent-strong)}