:root,[data-theme=dark],.theme-dark{--bg-main:#0b1120;--bg-card:#131c31;--bg-card-hover:#18233c;--bg-surface:#1e293b;--bg-input:#0f172a;--header-bg:#0f172a;--modal-bg:#131c31;--gate-bg:radial-gradient(circle at 50% 25%, #1e293b 0%, #0b0f19 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