:root{color-scheme:light dark;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}body{margin:0;background:var(--tg-theme-bg-color, #ffffff);color:var(--tg-theme-text-color, #111111)}.app-shell{display:flex;flex-direction:column;min-height:100vh}.app-content{flex:1;padding:16px 16px 80px;overflow-x:hidden}.app-loading{padding:24px;text-align:center;opacity:.6}.app-nav{position:fixed;bottom:0;left:0;right:0;display:flex;justify-content:space-around;background:var(--tg-theme-secondary-bg-color, #f4f4f5);border-top:1px solid rgba(0,0,0,.08);padding:8px 0 max(8px,env(safe-area-inset-bottom))}.app-nav-item{display:flex;flex-direction:column;align-items:center;gap:2px;font-size:12px;text-decoration:none;color:var(--tg-theme-hint-color, #707579);padding:4px 12px}.app-nav-item.active{color:var(--tg-theme-link-color, #2481cc)}.app-nav-icon{font-size:20px}