/* Approved Architecture identity. Existing semantic colors and layout remain. */
.brand-row .brand img.mark{display:block;width:44px;height:44px;object-fit:contain;border:0;border-radius:0;background:none;flex-shrink:0}
img.splash-mark{display:block;object-fit:contain;padding:0;background:none;border:0;box-shadow:none}
.brand-mark,.login-mark{object-fit:contain;flex-shrink:0}
.chat-compose-row button{display:inline-flex;align-items:center;justify-content:center;gap:6px}
.chat-compose-row button svg{width:18px;height:18px;flex:none}