*{box-sizing:border-box}html,body,#root{min-height:100%}body{background:#f6f6f6;margin:0}.app-shell{background:#f6f6f6;min-height:100vh}.app-main{min-height:100vh;padding-bottom:calc(56px + env(safe-area-inset-bottom,0px))}.page-container{width:100%;margin:0 auto}.desktop-only{display:none}.mobile-only{display:block}.reader-side-toolbar{display:none}@media (min-width:768px){body{background:#eef0f2}.app-main{padding-top:64px;padding-bottom:0}.mobile-tabbar,.chat-active .mobile-tabbar{display:none!important}.desktop-only{display:block}.mobile-only{display:none!important}.page-container{background:#f2f3f5;max-width:1080px;min-height:calc(100vh - 64px)}.home-grid-3{grid-template-columns:repeat(6,1fr)!important}.home-list-grid{grid-template-columns:repeat(4,1fr)!important}.category-page{background:#fff;max-width:1080px;margin:0 auto;height:calc(100vh - 64px)!important}.book-detail-page{background:#fff;max-width:900px;min-height:calc(100vh - 64px);margin:0 auto}.book-detail-actions{margin:24px 20px 0;border-top:none!important;padding:0!important;position:static!important}.reader-content{max-width:760px;margin:0 auto}.reader-control-bar{display:none!important}.reader-side-toolbar{z-index:120;flex-direction:column;gap:18px;position:fixed;top:50%;right:28px;transform:translateY(-50%);display:flex!important}.admin-panel{max-width:1180px;margin:0 auto}}.chat-active .mobile-tabbar{display:none!important}.chat-active .app-main{padding-bottom:0!important}