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.app-sidebar-toggle__text,.app-shell--sidebar-collapsed .app-shell__sidebar-footer{display:block}.app-role-nav{grid-template-columns:repeat(auto-fit,minmax(9.5rem,1fr))}.lms-overview{grid-template-columns:1fr}}@media(max-width:767px){.app-shell{padding:var(--space-3);gap:var(--space-3)}.register-card,.register-card--wide,.workspace-section,.admin-panel{padding:var(--space-4)}.app-brand--sidebar{align-items:flex-start}.app-role-nav{grid-template-columns:1fr}.lms-overview__hero{flex-direction:column}.lms-overview__metrics{grid-template-columns:1fr}.lms-metric-card,.lms-metric-card:nth-child(3n),.lms-metric-card:nth-last-child(-n+3){border-right:0;border-bottom:1px solid var(--app-border)}.lms-metric-card:last-child{border-bottom:0}.student-course-list__item,.course-list__item,.admin-list__item{flex-direction:column;align-items:stretch}.student-course-list__actions .button,.student-course-list__actions .button-secondary,.course-list__actions .button,.course-list__actions .button-secondary,.button,.button-secondary,.button-danger,.admin-panel button,.auth-actions button{width:100%}}:root{--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-6: 1.5rem;--space-8: 2rem}@media(max-width:767px){.register-card,.app-shell__content{margin:1rem;padding:1.25rem}}