.catalog-hero{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:38px 6px 32px}.catalog-hero h1{font-size:44px}.catalog-hero h1 span{background:linear-gradient(transparent 65%,var(--accent-soft) 65%)}.catalog-hero p:not(.eyebrow){color:var(--muted);font-size:14px}.header-note{font-size:12px;color:var(--muted)}.book-picker{background:#fff5d9;border:2px solid var(--ink);border-radius:18px;padding:22px 24px}.book-picker h2{font-size:18px}.picker-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:32px;margin:18px 0}.picker-label,.edition-label{display:block;font-size:12px;color:var(--muted);margin-bottom:8px}.grade-options{display:flex;gap:12px}.grade-options button{display:flex;align-items:center;gap:12px;flex:1;border:2px solid #d8ccae;background:white;border-radius:13px;padding:16px;text-align:left}.grade-number{display:grid;place-items:center;border-radius:10px;background:#f7f3ea;width:42px;height:42px;font-size:25px;font-weight:bold;flex:none}.grade-options small{display:block;color:var(--muted);font-size:11px;margin-top:5px}.grade-options button.active{border-color:var(--ink);background:var(--accent-soft);box-shadow:0 3px 0 var(--ink)}.grade-options button.active .grade-number{background:var(--accent)}.semester-options{display:flex;gap:10px;margin-bottom:14px}.semester-options button{border:2px solid #d8ccae;border-radius:10px;padding:8px 24px;background:white;flex:1}.semester-options button.active{background:var(--moss);border-color:var(--moss);color:white;font-weight:bold}.edition-label{font-size:11px;margin:10px 0 5px}select{font:inherit;width:100%;padding:9px;border:1px solid #bcaf8f;border-radius:8px;background:var(--panel);min-height:44px;font-size:13px}select:focus-visible{outline:3px solid var(--moss);outline-offset:3px}.catalog-section{padding-top:32px}.catalog-section h2{font-size:25px}.catalog-section .eyebrow{margin:0 0 8px}.catalog-seal{width:40px;height:40px;border:2px solid #a64432;color:#a64432;border-radius:7px;display:grid;place-items:center;font-size:23px;transform:rotate(-7deg)}.catalog-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:12px}.lesson-card{border:1px solid var(--line);border-radius:16px;padding:20px 22px;background:white;display:flex;flex-direction:column;transition:border-color .15s}.lesson-card:hover{border-color:#9cae92}.lesson-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12px;color:var(--muted)}.lesson-card h3{font-size:20px;margin:12px 0 6px}.lesson-card p{color:var(--muted);font-size:13px;margin:0 0 18px;flex:1}.lesson-bottom{display:flex;align-items:center;justify-content:space-between;gap:10px;border-top:1px solid var(--line);padding-top:10px}.lesson-bottom small{font-size:11px;color:var(--moss)}.lesson-link{border:0;border-radius:8px;background:#edf2e7;color:var(--moss);font-weight:bold;padding:7px 12px;font-size:12px}.lesson-link:hover{background:var(--accent-soft)}.topic-detail{margin-top:26px;padding:24px;border:2px solid var(--ink);border-radius:18px;background:white;scroll-margin-top:20px}.topic-detail h2{font-size:26px}.lesson-route{margin:20px 0;border-left:2px solid #c6d4bd;padding-left:18px}.lesson-route h3{font-size:16px}.lesson-route>div{display:flex;align-items:center;gap:12px;margin:8px 0;background:#f4f6ee;border-radius:10px;padding:10px;font-size:14px}.lesson-route>div span{border-radius:50%;background:#dfe9d4;width:27px;text-align:center;font-size:12px}.start-topic{display:inline-block;margin-top:20px}.availability-note{font-size:13px;color:var(--muted);margin-top:20px}.empty-catalog{grid-column:1/-1;padding:25px;border:1px dashed #c6bda9;border-radius:12px;background:#fffaf0}.empty-catalog p{color:var(--muted);font-size:14px}.topic-heading{display:flex;align-items:center;gap:20px;margin-top:20px}.topic-heading h2{font-size:25px}.topic-heading p{margin:5px 0}.topic-heading a{flex:none;font-size:12px}.topic-heading+.hero{padding-top:16px}.topic-heading+.hero h1{font-size:30px}.topic-heading+.hero .paper-art{transform:rotate(2deg);font-size:12px;padding:12px}.topic-heading+.hero .paper-art p{margin:7px}.topic-heading+.hero .paper-art div{margin:8px}.topic-heading+.hero .eyebrow{display:none}[hidden]{display:none!important}@media(max-width:850px){.catalog-hero{padding:25px 0;display:block}.catalog-hero h1{font-size:34px}.picker-grid{grid-template-columns:1fr;gap:20px}.book-picker{padding:18px}.grade-options button{padding:12px;gap:8px}.catalog-grid{grid-template-columns:1fr}.header-note{max-width:95px;text-align:right;font-size:11px}.topic-heading{display:block}.topic-heading a{display:inline-block;margin-bottom:14px}.lesson-bottom{flex-wrap:wrap}.catalog-section h2{font-size:22px}}@media(max-width:380px){.grade-options{flex-direction:column}.grade-options button{flex:none}.lesson-card{padding:16px}.catalog-hero h1{font-size:30px}}@media print{.topic-heading a{display:none}.catalog-shell .book-picker{display:none}.lesson-card{break-inside:avoid}}
.catalog-shell .grade-options strong{white-space:nowrap}
@media(max-width:600px){.grade-options button{flex-direction:column;align-items:flex-start}.grade-options small{line-height:1.7}.header-note{max-width:85px}}