/* The Study Hub shares the club header and one natural document scroll. */
:root{--club-nav-height:var(--site-header-height,90px)}body{min-height:100svh}
.hub-section-label{font-size:14px;font-weight:800;letter-spacing:.08em;color:#075fae;text-decoration:none}.shell>.topbar{gap:18px;min-height:72px;padding-block:15px;height:auto}.top-actions{gap:14px;flex-wrap:wrap}.hub-pages{display:flex;gap:4px;padding:4px;border:1px solid #cfdfeb;background:#f0f6fb;border-radius:7px}.hub-pages a{font-size:14px;border:0;border-radius:4px;padding:9px 13px;color:#42627f}.hub-pages a[aria-current=page]{background:#fff;color:#075fae;box-shadow:0 1px 5px #0d294815}.admin-link{font-size:13px}.study-hero{scroll-margin-top:var(--club-nav-height)}#gradeTitle{scroll-margin-top:calc(var(--club-nav-height) + 20px)}
.left-rail{position:static;max-height:none;overflow:visible;align-self:start}.side{position:static;max-height:none;overflow:visible;padding:0;background:transparent;border:0;backdrop-filter:none}.side .nav-group{padding:10px;margin-bottom:12px;border:1px solid #d4e4f0;border-radius:10px;background:#fff}.side .nav-group h3{padding:5px 10px 9px;font-size:11px;letter-spacing:.1em;color:#698296}.side .nav-btn{border-radius:5px;min-height:40px;margin:2px 0;padding:10px 12px;color:#375a76;font-size:14px}.side .nav-btn.active{background:#087ac7;color:white}.side .nav-btn:hover:not(.active){background:#edf5fb}.side-note{padding:5px 12px;font-size:13px;line-height:1.6}.lion-watermark{display:none;animation:none}.test-overlay,.media-overlay{z-index:100}.footer{padding-bottom:28px}
@media(max-width:850px){.mobile-nav{position:relative;top:auto;scroll-margin-top:calc(var(--club-nav-height) + 18px)}#mobileSectionList{position:static;margin-top:8px;max-height:none;overflow:visible;overscroll-behavior:auto;box-shadow:none;background:#f3f8fc;border-color:#cbdfea}.mobile-section-menu>summary{border-radius:8px;background:#fff;border:1px solid #bdd8ed;box-shadow:0 3px 9px #14375508}.mobile-nav .nav-group{background:#fff;padding:10px;border-radius:7px;margin-bottom:8px}.mobile-nav .nav-group:last-child{margin-bottom:0}.mobile-nav .nav-btn.active{background:#087ac7;color:white;border-radius:5px}.shell>.topbar{flex-wrap:wrap;gap:12px}.hub-pages a{font-size:13px}.hub-section-label{font-size:12px}.top-actions{gap:10px}}
@media(max-width:400px){.hub-pages a{padding:8px 10px}.admin-link{font-size:12px}.shell>.topbar{padding-block:13px}}