body{margin:0;background:#f0f2f5;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.login-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2)}.login-card{width:400px;padding:40px;background:#fff;border-radius:8px;box-shadow:0 2px 20px #0000001a}.login-card h2{text-align:center;margin-bottom:30px;color:#333}.page-container{padding:24px;max-width:1200px;margin:0 auto}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}