.login-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);padding:20px}.login-wrapper{width:100%;max-width:400px}.error-message{background-color:#f8d7da;color:#721c24;padding:12px;border-radius:4px;margin-bottom:20px;border:1px solid #f5c6cb;text-align:center}.app{width:100%;min-height:100vh}