@media (max-width:768px){a,button{min-height:44px;min-width:44px}a:active,button:active{opacity:.8}*{-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent}.prose *,article *{-webkit-touch-callout:text;-webkit-user-select:text;-moz-user-select:text;user-select:text}.mobile-scroll-container{-webkit-overflow-scrolling:touch;overscroll-behavior-y:contain}.mobile-card{touch-action:manipulation;transition:transform .2s ease}.mobile-card:active{transform:scale(.98)}.mobile-nav{position:fixed;bottom:0;left:0;right:0;background:hsl(var(--background));border-top:1px solid hsl(var(--border));z-index:30;padding:.5rem;backdrop-filter:blur(10px)}.safe-area-padding{padding-bottom:env(safe-area-inset-bottom);padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}.mobile-optimized-text{font-size:16px;line-height:1.6}.prose-mobile{font-size:16px}.prose-mobile h1{font-size:1.75rem}.prose-mobile h2{font-size:1.5rem}.prose-mobile h3{font-size:1.25rem}.mobile-spacing{padding-left:1rem;padding-right:1rem}@media (min-width:640px){.mobile-spacing{padding-left:1.5rem;padding-right:1.5rem}}}@media (max-height:500px) and (orientation:landscape){.mobile-header{padding-bottom:.5rem}.mobile-content,.mobile-header{padding-top:.5rem}}@media (min-width:768px) and (max-width:1023px){.tablet-grid{display:grid;grid-template-columns:300px 1fr;gap:1rem}.tablet-sidebar{position:sticky;top:4rem;height:calc(100vh - 4rem);overflow-y:auto}}@media (orientation:portrait){.orientation-transition{transition:all .3s ease}}@media (orientation:landscape){.orientation-transition{transition:all .3s ease}}@media (prefers-contrast:high){.mobile-card{border:2px solid}a:focus,button:focus{outline:3px solid currentColor;outline-offset:2px}}@media (prefers-reduced-motion:reduce){*,:after,:before{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}