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span:last-child{line-height:1.25}.user-email{white-space:nowrap}@media(max-width:900px){.hero{grid-template-columns:1fr}.lesson-preview{display:none}.features,.list-grid{grid-template-columns:1fr 1fr}.header-inner{grid-template-columns:auto 1fr auto}.user-email{display:none}.import-settings{grid-template-columns:1fr 1fr}.import-settings label:first-child{grid-column:1/-1}.learn-layout{grid-template-columns:1fr}.lesson-checkout{position:static}}@media(max-width:650px){.page-width{width:min(100% - 28px,1180px)}.public-nav{height:72px}.public-nav .button-ghost{display:none}.hero{padding-top:2rem;min-height:auto}.hero-copy h1{font-size:2.75rem}.hero-actions{align-items:stretch;flex-direction:column}.features,.list-grid{grid-template-columns:1fr}.features article{padding:1rem 0}.auth-brand{left:1.5rem}.auth-card{padding:1.6rem}.header-inner{min-height:64px;grid-template-columns:1fr auto;gap:.75rem}.header-inner .desktop-navigation{display:none}.account-menu{gap:.55rem}.mobile-menu-button{display:inline-flex}.mobile-navigation{display:grid;grid-template-columns:1fr 1fr;gap:.5rem;padding:0 0 .8rem}.mobile-navigation a{padding:.72rem .8rem;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--muted);text-decoration:none;font-size:.88rem;font-weight:700}.mobile-navigation a.active{border-color:#a8c7b7;background:var(--mint);color:var(--green-dark)}.heading-with-action,.lesson-launch{align-items:stretch;flex-direction:column}.lesson-size{min-width:0}.word-header{display:none}.word-row{grid-template-columns:1fr 1fr}.row-actions{justify-content:start}.import-settings{grid-template-columns:1fr}.import-settings label:first-child,.check-label{grid-column:auto}.lesson-page{padding-inline:.8rem}.lesson-header{margin-bottom:1.2rem}.exercise-card{padding:1.4rem}.choice-grid{grid-template-columns:1fr}.feedback{grid-template-columns:1fr auto;padding:1rem}.feedback .text-button{display:none}.summary-word{grid-template-columns:25px 1fr 1fr}.summary-word span:last-child{display:none}.source-options,.list-picker,.exercise-type-grid,.size-options{grid-template-columns:1fr}.exercise-heading{grid-template-columns:38px 1fr}.type-actions{grid-column:1/-1;align-items:flex-start;flex-wrap:wrap}}@media(max-width:650px){.summary-word{min-width:600px;grid-template-columns:30px 1fr 1fr 120px}.summary-word span:last-child{display:block}.surprise-image figcaption{align-items:flex-start;flex-direction:column}}@media(max-width:900px){.stats-kpis{grid-template-columns:repeat(3,1fr)}.stats-split{grid-template-columns:1fr}}@media(max-width:650px){.stats-kpis,.mastery-stats{grid-template-columns:1fr 1fr}.stats-section-heading{flex-direction:column}.practice-time{text-align:left}}