*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}#root{height:100vh}.login-bg{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2)}.login-card{width:400px;padding:40px;background:#fff;border-radius:12px;box-shadow:0 20px 60px #0003}.login-card h1{text-align:center;margin-bottom:8px;font-size:24px;color:#1a1a2e}.login-card .subtitle{text-align:center;color:#888;margin-bottom:32px;font-size:14px}