:root{--background-primary:#262421;--background-main:#312e2b;--background-accent:#262522;--sidebar-bg:#211f1d;--color-cta-green:#81b64c;--color-cta-green-hover:#95cb5b;--text-primary:#fff;--text-secondary:#bab9b8;--font-primary:"Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, Helvetica, Arial, sans-serif;--font-game:"Montserrat", var(--font-primary);--nav-rail:#11100e;--border-muted:#3c3b37;--board-light:#ebecd0;--board-dark:#779556;--move-highlight:#9bc70069;--learn-accent-blue:#6b9bd1;--learn-panel-bg:#1f1e1c}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;color:var(--text-primary);background:var(--background-primary);font-family:var(--font-primary);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;margin:0}button,input,select,textarea{font:inherit}button{cursor:pointer}.app-container{background:var(--background-primary);grid-template-columns:220px 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button{width:100%!important;min-width:0!important}.sidebar-user-panel{top:calc(112px + env(safe-area-inset-top))!important}}@media (width<=767px){html body .app-container>.navigation-sidebar{--mobile-sidebar-backdrop:none;-webkit-backdrop-filter:var(--mobile-sidebar-backdrop)!important}html body .app-container .navigation-sidebar>.sidebar-footer{top:calc(8px + env(safe-area-inset-top))!important;position:fixed!important;bottom:auto!important}}@supports ((-webkit-backdrop-filter:blur(0px)) or (backdrop-filter:blur(0px))){@media (width<=767px){html body .app-container>.navigation-sidebar{-webkit-backdrop-filter:var(--mobile-sidebar-backdrop)!important;backdrop-filter:var(--mobile-sidebar-backdrop)!important}}}