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(padding:max(0px)){body{padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}.sidebar{padding-bottom:max(var(--space-4),env(safe-area-inset-bottom))}}.grid-2col{gap:var(--space-4);grid-template-columns:1fr 1fr;display:grid}.grid-3col{gap:var(--space-4);grid-template-columns:1fr 1fr 1fr;display:grid}.obj-session-type-grid{gap:var(--space-4);grid-template-columns:repeat(3,1fr);align-items:stretch;display:grid}.obj-session-type-grid>button{min-height:72px;box-shadow:var(--shadow-sm);flex-direction:column;justify-content:center;align-items:center;display:flex}@media (max-width:768px){.grid-2col,.grid-3col{grid-template-columns:1fr}.obj-session-type-grid{gap:var(--space-3);grid-template-columns:1fr}}@media (max-width:480px){.grid-2col,.grid-3col{gap:var(--space-3)}.obj-session-type-grid>button{min-height:60px}}.portal__main{overflow-x:hidden}@media 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(max-width:640px){.grid-resp-2col,.grid-resp-2col-md,.grid-resp-3col{grid-template-columns:1fr}.session-save-actions{flex-direction:column}.session-save-actions>*{justify-content:center;width:100%}.results-score-header{flex-direction:column-reverse;align-items:flex-start}.results-score-header .score-ring{align-self:center}}@media (max-width:480px){.session-summary-grid{grid-template-columns:1fr!important}.share-btn-grid{grid-template-columns:1fr 1fr!important}.auth-type-grid{grid-template-columns:1fr!important}}.answer-key-edit-table{-webkit-overflow-scrolling:touch;overflow-x:auto}.answer-key-edit-table>div{min-width:560px}.mobile-nav{display:none;position:relative}.mobile-nav__toggle{cursor:pointer;width:44px;height:44px;color:inherit;border-radius:var(--radius-md);transition:background var(--transition-fast);background:0 0;border:none;justify-content:center;align-items:center;display:flex}.mobile-nav__toggle:hover{background:#ffffff1a}.mobile-nav__dropdown{top:calc(100% + var(--space-2));background:var(--bg-primary);border:1px solid var(--border-light);border-radius:var(--radius-xl);padding:var(--space-2);z-index:1000;gap:var(--space-1);flex-direction:column;min-width:200px;display:flex;position:absolute;right:0;box-shadow:0 8px 32px #0000001f}.mobile-nav__item{align-items:center;gap:var(--space-3);padding:var(--space-3)var(--space-3);border-radius:var(--radius-lg);color:var(--text-primary);font-size:var(--text-sm);transition:background var(--transition-fast);font-weight:500;text-decoration:none;display:flex}.mobile-nav__item:hover{background:var(--bg-secondary)}.mobile-nav__item .app-header__nav-link{justify-content:center;min-width:28px;padding:0}.mobile-nav__item--active{background:var(--primary-50);color:var(--primary-600)}.mobile-nav__item--active:hover{background:var(--primary-100)}.mobile-nav__divider{background:var(--border-light);height:1px;margin:var(--space-1)0}@media (max-width:768px){.app-header--home .app-header__nav{display:none}.app-header--home .mobile-nav{align-items:center;display:flex}}.obj-format-grid{gap:var(--space-3);grid-template-columns:repeat(3,1fr);align-items:stretch;display:grid}.obj-format-grid>button{box-sizing:border-box;width:100%;min-height:72px}@media (max-width:540px){.obj-format-grid{grid-template-columns:repeat(2,1fr)}}