body{background:#f5f7fa;margin:0;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}.login-card{background:#fff;border-radius:12px;padding:30px;box-shadow:0 4px 20px #00000014}.form-control{border:1px solid #dcdcdc;border-radius:6px;width:100%;margin-bottom:15px;padding:12px}.btn-primary{color:#fff;cursor:pointer;background:#0d6efd;border:none;border-radius:6px;padding:12px}.btn-primary:hover{background:#0b5ed7}