
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Let the universal set \\(U=\mathbb{R}\\), and the sets \\(A=\{x|-1\leqslant x\leqslant 3\}\\), \\(B=\{x|0 < x < 4\}\\), \\(C=\{x|x < a\}\\)  
\\((1)\\) Find \\(A\cap B\\) and \\(A\cup B\\);  
\\((2)\\) If \\(B\subseteq C\\), find the range of the real number \\(a\\).

Present the answer in LaTex format: \boxed{Your answer}
user