.quiz-shell{max-width:52rem;margin:auto}
.quiz-head{margin-bottom:1.5rem}.quiz-head h1{font-size:clamp(2rem,5vw,3.5rem)}
.quiz-progress{display:grid;gap:.5rem;color:var(--muted);font-weight:700}
.quiz-progress-track{display:block;overflow:hidden;height:.55rem;border-radius:999px;background:var(--line)}
.quiz-progress-track i{display:block;width:0;height:100%;border-radius:inherit;background:var(--blue);transition:width .2s ease}
.quiz-form{max-width:none!important}
.quiz-question{margin:0;padding:clamp(1.25rem,4vw,2rem);border:1px solid var(--line);border-radius:1rem;background:#fff;box-shadow:0 12px 30px rgba(20,33,61,.06);scroll-margin-top:1rem}
.quiz-question legend{display:flex;align-items:start;gap:.85rem;width:100%;padding:0 0 1rem;font-size:clamp(1.1rem,2.5vw,1.35rem);font-weight:800;line-height:1.4}
.question-number{display:grid;flex:none;place-items:center;width:2rem;height:2rem;border-radius:50%;background:var(--blue);color:#fff;font-size:.9rem}
.quiz-choices{display:grid;gap:.75rem}
.quiz-choice{display:flex!important;align-items:center;gap:.85rem;padding:1rem;border:1px solid var(--line);border-radius:.75rem;background:#fff;font-size:1rem!important;font-weight:600!important;cursor:pointer;transition:border-color .15s,background .15s,transform .15s}
.quiz-choice:hover{border-color:#9db7f5;background:var(--pale);transform:translateY(-1px)}
.quiz-choice:has(input:checked){border-color:var(--blue);background:var(--pale);box-shadow:0 0 0 2px #1d4ed820}
.quiz-choice input{flex:none;width:1.15rem!important;height:1.15rem;margin:0;accent-color:var(--blue)}
.question-status{margin:1rem 0 0;color:var(--muted);font-size:.85rem}.question-status.is-answered{color:#14753c;font-weight:800}
.quiz-actions{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.75rem;margin-top:1rem}.quiz-actions button:last-child{margin-left:auto}
.quiz-review{padding:clamp(1.25rem,4vw,2rem);border:1px solid var(--line);border-radius:1rem;background:#fff}.quiz-review h2{margin:.25rem 0}
.quiz-review-grid{display:grid;gap:.65rem;margin-top:1.25rem}
.quiz-review-item{padding:.85rem;border:1px solid var(--line);border-radius:.65rem;background:#fff;color:var(--ink);font:inherit;font-weight:750;text-align:left;cursor:pointer}
.quiz-review-item.is-answered{border-left:4px solid #22a14c}.quiz-review-item.is-unanswered{border-left:4px solid #d97706;background:#fffbeb}
.quiz-result{display:grid;gap:.35rem;padding:1.5rem;border:1px solid #a7e3bd;border-radius:1rem;background:#f0fdf4}.quiz-result strong{font-size:1.35rem}.quiz-result span{font-size:1.1rem}.quiz-result small{color:var(--muted)}
.quiz-form.is-enhanced .quiz-question[hidden],.quiz-form.is-enhanced .quiz-review[hidden],.quiz-form.is-enhanced .quiz-actions button[hidden]{display:none}
@media(max-width:560px){.quiz-actions{display:grid;grid-template-columns:1fr}.quiz-actions .button,.quiz-actions button:last-child{width:100%;margin-left:0;text-align:center}}