/* Home-only overrides keep the first-lesson styles byte-frozen. */
[hidden]{display:none!important}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px}.brand{background:none;text-align:left}.preview-label{font-size:11px;color:#587086;border:1px solid #ccdce7;border-radius:20px;padding:5px 9px;white-space:nowrap}.bottom{display:flex}.bottom button{flex:1;min-width:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px}.quick-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.quick{text-decoration:none;color:inherit}.quick-grid .quick:first-child{background:#073e64;color:white}.quick-grid .quick:first-child img{filter:brightness(0) invert(1)}#main{padding-bottom:100px}.scope-note{font-size:12px;color:#587086;margin:22px 0;line-height:1.8}.book-jacket{width:104px;min-height:142px;flex-shrink:0;display:flex;flex-direction:column;justify-content:space-between;padding:12px 10px;background:#dcecf1;border-left:6px solid #7b9fb1;border-radius:2px 7px 7px 2px;color:#073e64;box-shadow:3px 4px 0 #e6edf1}.book:nth-child(2) .book-jacket{background:#e9edf2;border-color:#8196b5}.book-jacket b{font-size:16px}.book-jacket small,.book-jacket>span{font-size:9px}.book{gap:18px}.chapter{width:100%}.chapter>span:nth-child(2){min-width:0}.chapter h3{overflow-wrap:anywhere}.chapter .num{font-size:11px;width:75px;flex-shrink:0}.calendar>small{color:#587086;font-size:11px}.calendar{height:auto}.day.today b{outline:2px solid #1a688d;outline-offset:3px;background:#e6f3f9!important;color:#073e64!important}.brand-sub{display:block}dialog{border:1px solid #ccdce7;border-radius:18px;padding:28px;min-width:240px;color:#073e64;text-align:center}dialog::backdrop{background:#073e6466}dialog p{font-size:22px;font-weight:700;margin-bottom:20px}dialog button{border:1px solid #ccdce7;border-radius:8px;padding:8px 25px}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #d45d46;outline-offset:3px}@media(max-width:650px){.preview-label{font-size:9px;padding:4px 6px}.topbar{gap:4px}.book{gap:12px}.book-jacket{width:80px;min-height:120px}.book h3{font-size:16px}.chapter .num{width:68px;font-size:10px}.hero-tag{font-size:10px}.calendar{margin-bottom:16px}.bottom{padding-bottom:env(safe-area-inset-bottom)}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* Upright mascot card and complete original cover aspect ratios. */
.mascot-card{transform:none}.book .cover{width:84px;height:auto;object-fit:contain;flex-shrink:0}@media(max-width:650px){.book .cover{width:76px;height:auto}}