.mcq-page{--mcq-line:#c7d7df;--mcq-muted:#385269;--mcq-accent:#075ba4}.mcq-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:32px}.mcq-heading h1{margin-bottom:12px}.mcq-heading p,.mcq-history>p{color:var(--mcq-muted)}.mcq-page h2{margin:0 0 20px}.mcq-page h3{font-size:1.2rem;line-height:1.6}.mcq-page fieldset{min-width:0;border:0;padding:0;margin:0}.mcq-page legend{font-size:1.1rem;font-weight:700;padding:0;margin:0 0 12px}.mcq-page select,.mcq-page input[type=search]{font:inherit;color:inherit;background:var(--surface,#fff);border:1px solid var(--mcq-line);border-radius:8px;padding:10px;min-height:44px;max-width:100%}.mcq-page input[type=checkbox],.mcq-page input[type=radio]{accent-color:var(--mcq-accent);width:20px;height:20px;flex-shrink:0}.mcq-page button{font:inherit;cursor:pointer;min-height:44px}.mcq-page button:disabled{cursor:default;opacity:.6}.mcq-page button:not(.primary){border:1px solid var(--mcq-line);border-radius:8px;background:var(--surface,#fff);color:var(--ink,#152b4c);padding:9px 16px}.mcq-page :focus-visible{outline:3px solid var(--mcq-accent);outline-offset:4px}.mcq-page ::selection{background:#bfdbef;color:#102e46}.mcq-page input{caret-color:var(--mcq-accent)}.mcq-page [hidden]{display:none!important}#mcqSetup{padding:28px;background:var(--surface,#fff);border-radius:14px}.mcq-search{display:flex;gap:12px;align-items:center;margin-bottom:16px}.mcq-search input{flex:1;min-width:0}#mcqChapters{max-height:360px;overflow:auto;scrollbar-color:#7895aa transparent;scrollbar-width:thin;border-block:1px solid var(--mcq-line);padding:12px 0}#mcqChapters label{display:flex;align-items:center;gap:12px;min-height:48px;line-height:1.7;padding:8px 4px}#mcqChapters label span{flex:1}#mcqChapters small{color:var(--mcq-muted);white-space:nowrap}.mcq-settings{display:flex;flex-wrap:wrap;gap:24px;margin:24px 0 12px}.mcq-settings label{display:grid;gap:8px;flex:1;min-width:130px}.mcq-page p{line-height:1.8}.mcq-history{margin-top:48px}.mcq-record{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 0;border-bottom:1px solid var(--mcq-line)}.mcq-record p{margin:4px 0}.mcq-record small,.mcq-meta{color:var(--mcq-muted)}.mcq-record strong{font-variant-numeric:tabular-nums}.mcq-workspace-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:20px 0}.mcq-question-nav{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}.mcq-question-nav button{width:44px;padding:6px!important}.mcq-question-nav button[aria-current=true]{background:#075ba4!important;color:#fff!important}.mcq-question{background:var(--surface,#fff);padding:28px;border-radius:14px;max-width:900px;margin:20px auto}.mcq-stem{font-size:1.25rem;line-height:1.8;margin-bottom:20px}.mcq-material{padding:20px;background:#f1f6fa;margin:20px 0;white-space:pre-wrap;line-height:1.9}.mcq-options{display:grid;gap:10px}.mcq-options label{display:flex;align-items:flex-start;gap:14px;padding:14px;border:1px solid var(--mcq-line);border-radius:8px;line-height:1.9;cursor:pointer}.mcq-options label:has(input:checked){border-color:var(--mcq-accent);background:#eaf3fa}.mcq-options input{margin-top:5px}.mcq-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;margin-top:24px}.mcq-feedback{border-top:1px solid var(--mcq-line);margin-top:28px;padding-top:24px}.mcq-feedback h3{margin:0 0 12px}.mcq-diagnostic{padding:16px 0;border-bottom:1px solid var(--mcq-line)}.mcq-diagnostic summary{cursor:pointer;min-height:44px;line-height:1.8;font-weight:600}.mcq-diagnostic p{margin:10px 0}.mcq-diagnostic blockquote{margin:12px 0;padding:12px 18px;background:#f1f6fa;line-height:1.8}.mcq-diagnostic a{overflow-wrap:anywhere;text-underline-offset:4px}.mcq-confirm{padding:20px;background:#edf3fa;margin:20px 0}.mcq-score{font-size:1.5rem;font-weight:700;font-variant-numeric:tabular-nums}#mcqError{padding:16px 20px;background:#fff1e9;color:#773516;margin-bottom:20px}.mcq-page .primary{border-radius:8px}.mcq-teacher{background:#f3f6f9;color:#152b4c}.mcq-teacher main{max-width:1440px}.mcq-teacher .mcq-settings{align-items:end}.mcq-teacher .mcq-settings label{min-width:140px}.mcq-review-layout{display:grid;grid-template-columns:minmax(240px,340px) minmax(0,1fr);gap:28px;margin-top:24px}.mcq-review-list{max-height:80vh;overflow:auto}.mcq-review-row{border-bottom:1px solid var(--mcq-line);padding:14px 0;display:grid;grid-template-columns:24px 1fr;gap:10px;align-items:start}.mcq-review-row button{text-align:left;width:100%;border:0!important;line-height:1.7}.mcq-review-row small{display:block;color:var(--mcq-muted)}.mcq-review-detail{min-width:0}.mcq-teacher .mcq-question{margin-top:0}.mcq-teacher-source{margin:16px 0;border-block:1px solid var(--mcq-line);padding:16px 0}.mcq-teacher textarea{font:inherit;max-width:100%;width:100%;padding:12px;min-height:90px;border:1px solid var(--mcq-line);border-radius:8px}.mcq-stats-table{overflow:auto;scrollbar-color:#7895aa transparent}.mcq-stats-table table{border-collapse:collapse;width:100%;font-variant-numeric:tabular-nums}.mcq-stats-table th,.mcq-stats-table td{padding:12px;text-align:left;border-bottom:1px solid var(--mcq-line)}.mcq-teacher .mcq-status-text{color:var(--mcq-muted)}.mcq-teacher a{color:#075ba4}.mcq-pagination{display:flex;align-items:center;gap:12px;margin:16px 0}.mcq-exam-list .mcq-question{max-width:none}.mcq-summary{border-bottom:1px solid var(--mcq-line);padding-bottom:20px;margin-bottom:24px}
@media(max-width:767px){.mcq-heading{display:block;margin-bottom:24px}.mcq-heading>a{display:inline-block;margin-top:12px}#mcqSetup,.mcq-question{padding:20px}.mcq-search{display:grid}.mcq-settings{gap:16px}.mcq-settings label{min-width:calc(50% - 16px)}.mcq-workspace-head{align-items:flex-start}.mcq-record{align-items:flex-start}.mcq-review-layout{grid-template-columns:1fr}.mcq-review-list{max-height:360px}.mcq-actions>button{flex:1}.mcq-options label{padding:12px;gap:10px}.mcq-material{padding:14px}.mcq-teacher .mcq-heading{padding-top:8px}}
.mcq-page .sr-only{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.mcq-stem{white-space:pre-line}.mcq-question-nav button.has-answer{text-decoration:underline;text-underline-offset:5px}
.mcq-stats-table table{min-width:64rem}.mcq-scroll-hint{color:var(--mcq-muted);font-size:.9rem}.mcq-stats-table:focus-visible{outline:3px solid var(--mcq-accent);outline-offset:4px}