:root{--sidebar-bg:#1f2937;--sidebar-text:#e5e7eb;--sidebar-text-muted:#9ca3af;--sidebar-active:#3b82f6;--sidebar-active-bg:rgba(59,130,246,.1);--header-border:#e5e7eb;--card-bg:#fff;--card-border:#e5e7eb;--text-primary:#111827;--text-secondary:#6b7280;--success:#10b981;--warning:#eab308;--danger:#ef4444;--primary:#3b82f6}*{box-sizing:border-box;margin:0;padding:0}body,html{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:#f9fafb;color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer}@keyframes spin{to{transform:rotate(1turn)}}.spinner-icon{width:32px;height:32px;border:2px solid #eee;border-top:2px solid var(--primary);border-radius:50%;animation:spin .8s linear infinite}