Auth · Payment · Store · Wallet In progress

Brand component group (1:1 from auth-payment-spec). Four columns — Authentication social-login buttons (Continue with Apple #030303 / Google white+border / Facebook #1B74E8, 327×56 r8), Payment Method (Apple Pay / Google Pay / Umico Pay #E72961), Store badges (Google Play / App Store 180×54 #000), Wallet badges (Google Wallet 198×56 #1F1F1F / Apple Wallet 146×44 #000). All icons inline SVG verbatim & brand-accurate (Apple, Google 4-colour, Facebook, Google Play triangle). Radius 8px, SF Pro; DS colours bound to tokens, brand colours kept as documented literals.