.pwa-status{position:fixed;z-index:90;top:calc(80px + env(safe-area-inset-top,0px));left:50%;transform:translate(-50%);width:max-content;max-width:calc(100% - 32px);display:flex;align-items:center;gap:12px;border:2px solid #000;border-radius:10px;padding:8px 12px;background:#ffdf50;color:#111;box-shadow:3px 3px #000;font-size:13px}.pwa-status button{min-height:44px;flex-shrink:0}.pwa-install-dialog{color-scheme:light;color:#111;background:#fff}.pwa-install-dialog p{color:#333;line-height:1.6}@media(max-width:600px){.pwa-status{top:calc(120px + env(safe-area-inset-top,0px));flex-direction:column;align-items:stretch}}.agent-layout-shell{height:100dvh}.whiteboard-editor{box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-right:env(safe-area-inset-right,0px);padding-bottom:env(safe-area-inset-bottom,0px);padding-left:env(safe-area-inset-left,0px)}.whiteboard-editor .board-teacher-panel{overscroll-behavior:contain}.whiteboard-editor .board-teacher-panel :is(textarea,select,input){font-size:16px}.whiteboard-editor .board-teacher-panel form>div{flex-wrap:wrap}@media(max-width:600px),(max-height:500px){.whiteboard-editor .board-teacher-panel{bottom:calc(120px + env(safe-area-inset-bottom,0px));max-height:calc(100dvh - 230px - env(safe-area-inset-top,0px) - env(safe-area-inset-bottom,0px))}.whiteboard-editor .board-teacher-chat{min-height:60px}}@media(max-height:500px){.whiteboard-editor .board-teacher-panel{bottom:60px;max-height:calc(100dvh - 150px)}}.whiteboard-editor .excalidraw.excalidraw--mobile .App-toolbar-container{display:flex;justify-content:flex-start;max-width:calc(100vw - 32px - env(safe-area-inset-left,0px) - env(safe-area-inset-right,0px));overflow-x:auto;overflow-y:hidden;padding:0 3px 6px;scrollbar-width:thin;touch-action:pan-x}.whiteboard-editor .excalidraw.excalidraw--mobile .App-toolbar-container .Island{flex-shrink:0}.whiteboard-editor .excalidraw.excalidraw--mobile .App-toolbar-container :is(.ToolIcon,.ToolIcon__icon){width:44px;height:44px;min-width:44px}