.login-container{background:linear-gradient(135deg, #667eea 0%, #764ba2 100%);padding:20px}.card{border-radius:12px;border:none}.form-control{border-radius:8px}.btn-primary{background:#4a5568;border:none;border-radius:8px;padding:10px 0}.btn-primary:hover{background:#2d3748}