:root{--primary:#0000E5;--primary-hover:#0000b8;--bg-main:#ffffff;--bg-card:#f9f9ff;--bg-subtle:#f0f2ff;--bg-muted:#e6e9ff;--bg-hover:#d4d9ff;--bg-tab-active:#eef0ff;--text-main:#1a1a1a;--text-subtle:#444;--text-muted:#777;--text-light:#aaa;--text-strong:#000;--text-highlight:var(--primary);--text-danger:#e53935;--border:#ccd2ff;--border-light:#e0e5ff;--border-soft:#c0c9ff;--btn-primary:var(--primary);--btn-primary-hover:var(--primary-hover);--btn-secondary:#e3e7ff;--btn-secondary-hover:#cbd4ff;--shadow-soft:0 4px 20px rgba(0,0,229,0.05);--shadow-medium:0 4px 30px rgba(0,0,229,0.08);--shadow-strong:0 4px 24px rgba(0,0,229,0.12)}body{margin:0;padding:0;background-color:var(--bg-main);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--text-main)}*{box-sizing:border-box}