:root{--accent:#4f46e5;--accent-hover:#4338ca;--accent-light:#eef2ff;--bg-page:#f8f9fa;--bg-card:#fff;--bg-subtle:#f9fafb;--bg-hover:#f3f4f6;--border:#e5e7eb;--text-primary:#1a1a1a;--text-secondary:#374151;--text-muted:#6b7280;--text-faint:#9ca3af}*{box-sizing:border-box}body{background:var(--bg-page);color:var(--text-primary);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}input,select,textarea{background:var(--bg-card);color:var(--text-primary)}.center{height:100vh;color:var(--text-muted);justify-content:center;align-items:center;display:flex}