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v3.25.2

CONDENSED STATEMENTS OF CHANGES IN SHAREHOLDERS' DEFICIT (Parenthetical) | 3 Months Ended
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Jun. 30, 2025 shares
Private Placement Warrants |
Number of warrants issued | 6,800,000

X
- Definition Represents the number of warrants issued. + References No definition available. + Details
Name: | cgct_NumberOfWarrantsIssued
Namespace Prefix: | cgct_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=cgct_PrivatePlacementWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |