body{background: linear-gradient(135deg,#667eea 0%,#764ba2 100%);min-height: 100vh}.card{border-radius: 15px;border: none}.card-header{border-radius: 15px 15px 0 0 !important;padding: 1.5rem}.login-icon{display: inline-block;padding: 20px;background: rgba(102,126,234,0.1);border-radius: 50%}.form-control-lg{padding: 0.75rem 1rem;font-size: 1.1rem}.form-control:focus{border-color: #667eea;box-shadow: 0 0 0 0.2rem rgba(102,126,234,0.25)}.btn-primary{background: linear-gradient(135deg,#667eea 0%,#764ba2 100%);border: none;padding: 0.75rem;font-size: 1.1rem;font-weight: bold}.btn-primary:hover{background: linear-gradient(135deg,#764ba2 0%,#667eea 100%);transform: translateY(-2px);box-shadow: 0 5px 15px rgba(0,0,0,0.3)}.btn-primary:disabled{background: linear-gradient(135deg,#667eea 0%,#764ba2 100%);opacity: 0.7;cursor: not-allowed}.list-unstyled li{padding: 0.5rem 0}.list-unstyled i.fa-check{margin-left: 10px}@media (max-width: 576px){.container{padding: 0 15px}.card-body{padding: 1.5rem !important}.login-icon i{font-size: 3rem !important}}