feat: redesign superadmin agencies list, implement flat design, add date filters, and fix UI bugs

backend/internal/domain/user.go

@@ -36,6 +36,8 @@ type RegisterAgencyRequest struct {
 	Description string `json:"description"`
 	Website     string `json:"website"`
 	Industry    string `json:"industry"`
+	Phone       string `json:"phone"`
+	TeamSize    string `json:"teamSize"`
 	
 	// Endereço
 	CEP          string `json:"cep"`
@@ -46,12 +48,59 @@ type RegisterAgencyRequest struct {
 	Number       string `json:"number"`
 	Complement   string `json:"complement"`
 	
+	// Personalização
+	PrimaryColor      string `json:"primaryColor"`
+	SecondaryColor    string `json:"secondaryColor"`
+	LogoURL           string `json:"logoUrl"`
+	LogoHorizontalURL string `json:"logoHorizontalUrl"`
+	
 	// Admin da Agência
 	AdminEmail    string `json:"adminEmail"`
 	AdminPassword string `json:"adminPassword"`
 	AdminName     string `json:"adminName"`
 }
 
+// PublicRegisterAgencyRequest represents the public signup payload
+type PublicRegisterAgencyRequest struct {
+	// User
+	Email    string `json:"email"`
+	Password string `json:"password"`
+	FullName string `json:"fullName"`
+	Newsletter bool `json:"newsletter"`
+
+	// Company
+	CompanyName string `json:"companyName"`
+	CNPJ        string `json:"cnpj"`
+	RazaoSocial string `json:"razaoSocial"`
+	Description string `json:"description"`
+	Website     string `json:"website"`
+	Industry    string `json:"industry"`
+	TeamSize    string `json:"teamSize"`
+
+	// Address
+	CEP          string `json:"cep"`
+	State        string `json:"state"`
+	City         string `json:"city"`
+	Neighborhood string `json:"neighborhood"`
+	Street       string `json:"street"`
+	Number       string `json:"number"`
+	Complement   string `json:"complement"`
+	
+	// Contacts (simplified for now, taking the first one as phone if available)
+	Contacts []struct {
+		ID       int    `json:"id"`
+		Whatsapp string `json:"whatsapp"`
+	} `json:"contacts"`
+
+	// Domain
+	Subdomain string `json:"subdomain"`
+
+	// Branding
+	PrimaryColor   string `json:"primaryColor"`
+	SecondaryColor string `json:"secondaryColor"`
+	LogoURL        string `json:"logoUrl"`
+}
+
 // RegisterClientRequest represents client registration (ADMIN_AGENCIA only)
 type RegisterClientRequest struct {
 	Email    string `json:"email"`