.brand-icon{display:block;width:34px;height:34px;flex:0 0 34px;border-radius:8px;box-shadow:3px 3px 0 #111;object-fit:contain}.brand-lockup.light .brand-icon{box-shadow:3px 3px 0 #fffaf1}
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@media(max-width:820px){.app-shell{display:block}.sidebar{transform:translateX(-105%);transition:transform .2s;width:280px;box-shadow:8px 0 0 var(--orange)}.app-shell.nav-open .sidebar{transform:translateX(0)}.main-wrap{display:block}.mobile-menu{display:grid}.topbar{height:68px;padding:0 20px}.topbar .topbar-title{display:none}.content{padding:28px 20px 64px}.hero-card{min-height:280px;padding:26px}.track-grid,.admin-access-grid{grid-template-columns:1fr}.badge-grid{grid-template-columns:repeat(2,1fr)}.learning-shell{display:block;margin:-28px -20px -64px}.lesson-side{position:relative;top:0;height:auto;border-right:0;border-bottom:2px solid var(--ink);padding:20px}.step-list{display:flex;overflow-x:auto;padding-bottom:5px}.step-button{min-width:max-content}.lesson-side h2,.lesson-side .progress-track{display:none}.lesson-main{padding:36px 20px 70px}.auth-shell{grid-template-columns:1fr}.auth-story{min-height:44vh;padding:34px}.auth-story .brand-lockup{position:static;margin-bottom:55px}.auth-story h1{font-size:56px}.auth-card{padding:28px 20px 50px}}
@media(max-width:560px){.page-head{display:block}.page-head .button{margin-top:16px;width:100%}.hero-card{min-height:360px}.hero-actions .button{width:100%}.stat-stack{grid-template-columns:1fr}.track-card{display:block}.track-card .track-icon{margin-bottom:16px}.module-row{grid-template-columns:42px 1fr;padding:13px}.module-num{width:38px;height:38px}.module-row .score{grid-column:2;text-align:left}.checkpoint{align-items:flex-start;flex-direction:column}.explore-grid,.badge-grid,.staff-grid,.learn-points{grid-template-columns:1fr}.section-title{align-items:flex-start}.lesson-main h1{font-size:38px}.lesson-footer{align-items:stretch;flex-direction:column-reverse}.lesson-footer .button{width:100%}.score-table{display:block;overflow-x:auto}.verify-form{flex-direction:column}.auth-story{min-height:400px}.auth-story h1{font-size:48px}.auth-card-inner{padding:25px 20px;box-shadow:5px 5px 0 var(--ink)}.toast{left:16px;right:16px;bottom:16px}}
@media print{.sidebar,.topbar,.lesson-side,.no-print{display:none!important}.main-wrap{grid-column:1}.content{padding:0}.certificate{box-shadow:none!important;margin:0!important}}