:root{--topbar-bg: #2c3540;--logo-bg: #222a33;--sidebar-bg: #ffffff;--active-item-bg: #f4f6f8;--accent-blue: #1a73e8;--border-color: #e2e8f0;--text-dark: #2c3540;--text-muted: #8a99a8;--bg-app: #f4f6f8;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-mono: "Geist Mono", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-app);color:var(--text-dark);font-size:13px;line-height:1.5;overflow:hidden}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:4px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.spin{animation:spin 1s linear infinite}