.meb-page-hero{margin-bottom:22px;background:linear-gradient(135deg,var(--card),var(--card-alt))}.meb-page-hero .subtitle{max-width:820px}.meb-library-card{padding:24px}.meb-library-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:18px}.meb-eyebrow{margin:0 0 7px;color:var(--brand-soft);font-size:.76rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.meb-library-heading h2{margin:0 0 8px}.meb-library-heading p{margin:0;color:var(--muted);line-height:1.6}.meb-source-link{flex:0 0 auto;padding:10px 14px;border:1px solid var(--btn-primary-border);border-radius:12px;color:var(--brand-soft);background:var(--btn-primary-bg);font-weight:700}.meb-source-link:hover{background:var(--cta-bg-hover)}
.meb-toolbar{display:grid;grid-template-columns:minmax(240px,1fr) 180px auto;gap:12px;padding:14px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.025)}.meb-field{display:grid;gap:6px}.meb-field label{color:var(--muted);font-size:.78rem;font-weight:700}.meb-field input,.meb-field select{width:100%;min-height:44px;padding:10px 12px;border:1px solid var(--line-strong);border-radius:10px;color:var(--text);background:var(--card-alt);font:inherit}.meb-subject-buttons{display:flex;align-items:end;gap:7px;flex-wrap:wrap}.meb-filter-button{min-height:44px;padding:9px 12px;border:1px solid var(--line-strong);border-radius:10px;color:var(--muted);background:var(--card-alt);cursor:pointer;font:inherit;font-weight:700}.meb-filter-button:hover,.meb-filter-button.is-active{color:var(--text);border-color:var(--btn-primary-border);background:var(--btn-primary-bg)}
.meb-result-summary{display:flex;justify-content:space-between;gap:16px;margin:14px 2px;color:var(--muted);font-size:.9rem}.meb-subject-section+.meb-subject-section{margin-top:22px}.meb-subject-title{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:0 0 10px;font-size:1.25rem}.meb-count-badge{display:inline-flex;min-width:32px;align-items:center;justify-content:center;padding:4px 9px;border-radius:999px;color:var(--brand-soft);background:var(--tag-bg);border:1px solid var(--tag-border);font-size:.75rem}.meb-grade-block{margin-bottom:14px;border:1px solid var(--line);border-radius:14px;overflow:hidden}.meb-grade-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 16px;background:rgba(255,255,255,.035)}.meb-grade-heading{margin:0;padding:13px 0;font-size:1rem}.meb-grade-answer-link{display:inline-flex;align-items:center;gap:8px;padding:7px 11px;border:1px solid rgba(38,166,116,.38);border-radius:9px;color:#16835d;background:rgba(38,166,116,.09);font-size:.78rem;font-weight:800}.meb-grade-answer-link:hover,.meb-grade-answer-link:focus-visible{background:rgba(38,166,116,.2);outline:none}.meb-grade-answer-link span{white-space:nowrap}.meb-topic-group{border-top:1px solid var(--line)}.meb-topic-group summary{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;padding:13px 16px;cursor:pointer;list-style:none;font-weight:700}.meb-topic-group summary::-webkit-details-marker{display:none}.meb-topic-name{min-width:0}.meb-topic-meta{display:flex;align-items:center;justify-content:flex-end;gap:18px}.meb-topic-chevron{display:inline-block;width:16px;color:var(--brand-soft);font-size:1.2rem;text-align:center}.meb-topic-chevron::after{content:"⌄"}.meb-topic-group[open] .meb-topic-chevron::after{content:"⌃"}.meb-topic-group[open] summary{background:rgba(255,255,255,.025)}
.meb-link-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;padding:0 14px 14px}.meb-test-card{display:grid;grid-template-rows:1fr auto;overflow:hidden;border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.02)}.meb-test-link{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:52px;padding:10px 12px}.meb-test-link:hover,.meb-test-link:focus-visible{background:var(--cta-bg-hover);outline:none}.meb-test-card:has(a:focus-visible),.meb-test-card:hover{border-color:var(--btn-primary-border)}.meb-answer-link{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 12px;border-top:1px solid var(--line);color:#68e2b0;background:rgba(38,166,116,.09);font-size:.78rem;font-weight:800}.meb-answer-link:hover,.meb-answer-link:focus-visible{background:rgba(38,166,116,.2);outline:none}.meb-test-label{color:var(--brand-soft);font-size:.78rem;font-weight:800;white-space:nowrap}.meb-test-title{color:var(--text);font-size:.88rem;line-height:1.35}.meb-empty,.meb-error{padding:28px;text-align:center;color:var(--muted)}.meb-error{color:#ff9d9d}
@media(max-width:820px){.meb-library-heading{display:block}.meb-source-link{display:inline-block;margin-top:14px}.meb-toolbar{grid-template-columns:1fr}.meb-subject-buttons{align-items:center}.meb-link-grid{grid-template-columns:1fr}}@media(max-width:520px){.meb-library-card{padding:16px}.meb-result-summary{display:block}.meb-grade-header{align-items:flex-start;flex-direction:column;gap:0;padding-bottom:12px}.meb-grade-answer-link{width:100%;justify-content:space-between}.meb-topic-meta{gap:10px}.meb-test-link{align-items:flex-start;flex-direction:column}}