:root{--app-bg: #f8f8f8;--text: #222;--muted: #666;--primary: #4a90e2;--border: rgba(0, 0, 0, .08);--safe-bottom: env(safe-area-inset-bottom)}*{box-sizing:border-box;scrollbar-width:none;-ms-overflow-style:none}*::-webkit-scrollbar{width:0;height:0}html,body{height:100%;margin:0;padding:0;background:var(--app-bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;overflow-x:hidden}#app{height:100%}a{color:inherit;text-decoration:none}button{font:inherit}