*{box-sizing:border-box}html,body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-text-size-adjust:100%}h1{font-size:1.75rem;line-height:1.2}h2{font-size:1.5rem;line-height:1.3}h3{font-size:1.25rem;line-height:1.4}h4{font-size:1.125rem;line-height:1.4}h5{font-size:1rem;line-height:1.5}h6{font-size:.875rem;line-height:1.5}img{max-width:100%;height:auto}button,.btn,a[role=button],input[type=button],input[type=submit]{min-height:44px;min-width:44px;padding:12px 16px;cursor:pointer;border:none;border-radius:8px;font-size:16px;line-height:1.2;transition:all .2s ease;-webkit-tap-highlight-color:transparent}input,textarea,select{font-size:16px;padding:12px 16px;border:1px solid #d1d5db;border-radius:8px;width:100%;max-width:100%}.scroll-container{-webkit-overflow-scrolling:touch;scroll-behavior:smooth}.safe-area-top{padding-top:env(safe-area-inset-top)}.safe-area-bottom{padding-bottom:env(safe-area-inset-bottom)}.safe-area-left{padding-left:env(safe-area-inset-left)}.safe-area-right{padding-right:env(safe-area-inset-right)}.mobile-only{display:none}.desktop-only{display:block}@media (max-width: 768px){.mobile-only{display:block}.desktop-only{display:none}button,.btn,a[role=button]{min-height:48px;padding:14px 20px}.container{padding:16px}h1{font-size:1.5rem}h2{font-size:1.25rem}h3{font-size:1.125rem}}@media (min-width: 769px) and (max-width: 1024px){.tablet-only{display:block}.mobile-only,.desktop-only{display:none}}button:focus,input:focus,textarea:focus,select:focus,a:focus{outline:2px solid #3b82f6;outline-offset:2px}body{overscroll-behavior-y:none}.loading{pointer-events:none;opacity:.6}.spinner{display:inline-block;width:20px;height:20px;border:2px solid #f3f3f3;border-top:2px solid #3498db;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}