/* Day 3 mobile topbar — compact two-row layout, 2026-08-21 */
@media(max-width:820px){
.day3-topbar{display:grid!important;grid-template-columns:minmax(0,1fr) auto auto!important;grid-template-areas:'brand lang menu' 'nav nav nav'!important;align-items:center!important;gap:8px 7px!important;min-height:auto!important;padding:8px max(10px,env(safe-area-inset-right)) 8px max(10px,env(safe-area-inset-left))!important;overflow:visible!important}
.day3-brand{grid-area:brand!important;min-width:0!important;gap:7px!important}.day3-brand img{width:34px!important;height:34px!important;flex:0 0 34px!important}.day3-brand span{min-width:0!important;font-size:.82rem!important;line-height:1.12!important;white-space:nowrap!important;overflow:hidden!important;text-overflow:ellipsis!important}.day3-brand small{display:none!important}
.day3-language-switcher{grid-area:lang!important;gap:1px!important;padding:2px!important;white-space:nowrap!important}.day3-language-switcher a{min-width:27px!important;min-height:27px!important;padding:0 5px!important;font-size:.68rem!important}
.day3-menu{grid-area:menu!important;min-width:48px!important;min-height:34px!important;margin:0!important;padding:6px 9px!important;border-radius:10px!important;font-size:.76rem!important;white-space:nowrap!important}
.day3-topbar>nav{grid-area:nav!important;display:flex!important;width:100%!important;gap:5px!important;padding:2px 0 0!important;overflow-x:auto!important;overflow-y:hidden!important;scrollbar-width:none!important;-webkit-overflow-scrolling:touch!important;scroll-snap-type:x proximity!important}.day3-topbar>nav::-webkit-scrollbar{display:none!important}.day3-topbar>nav a{flex:0 0 auto!important;min-height:32px!important;padding:7px 10px!important;border:1px solid rgba(38,62,98,.11)!important;border-radius:999px!important;background:rgba(255,255,255,.7)!important;color:#465767!important;font-size:.72rem!important;font-weight:800!important;line-height:1!important;white-space:nowrap!important;scroll-snap-align:start!important}
.day3-page :where(section,article)[id]{scroll-margin-top:118px!important}
}
@media(max-width:390px){.day3-topbar{grid-template-columns:minmax(0,1fr) auto!important;grid-template-areas:'brand menu' 'lang lang' 'nav nav'!important}.day3-language-switcher{justify-self:start!important}.day3-brand span{font-size:.78rem!important}.day3-topbar>nav a{font-size:.7rem!important;padding-inline:9px!important}}