*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--color-bg:#f2f3f5;--color-bg-secondary:#f9fafb;--color-bg-tertiary:#eceef1;--color-border:#dde0e6;--color-text:#1a1d23;--color-text-secondary:#6b7280;--color-primary:#2563eb;--color-primary-hover:#1d4ed8;--color-primary-light:#eff6ff;--color-success:#10b981;--color-error:#f43f5e;--color-warning:#f59e0b;--font:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--radius:6px;--radius-lg:10px;--sidebar-width:220px;--header-height:56px}body,html{height:100%;background:var(--color-bg);color:var(--color-text);font-family:var(--font);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{cursor:pointer}button,input,textarea{font-family:var(--font)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:3px}