diff --git a/app/assets/stylesheets/login.css b/app/assets/stylesheets/login.css
new file mode 100644
index 0000000000..a22f4ec6bf
--- /dev/null
+++ b/app/assets/stylesheets/login.css
@@ -0,0 +1,94 @@
+body {
+  background: #efefef;
+  margin: 0;
+  font-family: Arial, sans-serif;
+}
+
+.login-container {
+  width: 90%;
+  max-width: 1100px;
+  height: 500px;
+
+  margin: 40px auto;
+
+  display: flex;
+
+  background: white;
+  border-radius: 10px;
+
+  overflow: hidden;
+}
+
+.login-form {
+  flex: 1;
+
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+
+  padding: 50px;
+}
+
+.login-form h1 {
+  text-align: center;
+  margin-bottom: 40px;
+}
+
+.field {
+  margin-bottom: 20px;
+}
+
+.field label {
+  display: block;
+  margin-bottom: 8px;
+}
+
+.field input {
+  width: 100%;
+  box-sizing: border-box;
+
+  padding: 12px;
+
+  border: 1px solid #ccc;
+  border-radius: 6px;
+}
+
+.btn-login {
+  width: 100%;
+
+  padding: 12px;
+
+  border: none;
+  border-radius: 6px;
+
+  background: #2ecc71;
+  color: white;
+
+  cursor: pointer;
+
+  font-size: 16px;
+}
+
+.btn-login:hover {
+  opacity: 0.9;
+}
+
+.btn-forgot {
+  margin-top: 15px;
+}
+
+.login-banner {
+  flex: 1;
+
+  background: #6d1f6d;
+
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+
+.login-banner h2 {
+  color: white;
+  text-align: center;
+  font-size: 4rem;
+}
\ No newline at end of file
diff --git a/app/assets/stylesheets/redefinir_senha.css b/app/assets/stylesheets/redefinir_senha.css
new file mode 100644
index 0000000000..893bc54580
--- /dev/null
+++ b/app/assets/stylesheets/redefinir_senha.css
@@ -0,0 +1,83 @@
+html,
+body {
+  margin: 0;
+  padding: 0;
+  height: 100%;
+  font-family: Arial, Helvetica, sans-serif;
+  background-color: #f5f5f5;
+}
+
+.password-reset-container {
+  height: 100vh;
+
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+
+.password-reset-box {
+  width: 100%;
+  max-width: 450px;
+
+  background: white;
+
+  padding: 40px;
+
+  border-radius: 10px;
+
+  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
+
+  box-sizing: border-box;
+}
+
+.password-reset-box h1 {
+  text-align: center;
+
+  margin-top: 0;
+  margin-bottom: 30px;
+
+  font-size: 2rem;
+  font-weight: normal;
+}
+
+.field {
+  display: flex;
+  flex-direction: column;
+
+  margin-bottom: 20px;
+}
+
+.field label {
+  margin-bottom: 8px;
+}
+
+.field input {
+  padding: 12px;
+
+  border: 1px solid #d0d0d0;
+  border-radius: 6px;
+
+  font-size: 1rem;
+  box-sizing: border-box;
+}
+
+.btn-submit {
+  width: 100%;
+
+  padding: 12px;
+
+  border: none;
+  border-radius: 6px;
+
+  background-color: #6e1f69;
+  color: white;
+
+  font-size: 1rem;
+  font-weight: bold;
+
+  cursor: pointer;
+}
+
+.btn-submit:hover {
+  opacity: 0.9;
+}
\ No newline at end of file
diff --git a/app/models/discente.rb b/app/models/discente.rb
index d06b0b7772..d76084e48a 100644
--- a/app/models/discente.rb
+++ b/app/models/discente.rb
@@ -1,4 +1,4 @@
 class Discente < Usuario
   validates :curso_id, presence: true  
-  has_and_belongs_to_many :turmas
+  has_and_belongs_to_many :turmas, join_table: "discentes_turmas"
 end
\ No newline at end of file
diff --git a/app/models/docente.rb b/app/models/docente.rb
index bd48475299..8c670c642b 100644
--- a/app/models/docente.rb
+++ b/app/models/docente.rb
@@ -1,4 +1,4 @@
 class Docente < Usuario
   validates :formacao, presence: true
-  has_and_belongs_to_many :turmas
+  has_and_belongs_to_many :turmas, join_table: "docentes_turmas"
 end
\ No newline at end of file
diff --git a/app/models/turma.rb b/app/models/turma.rb
index e189be5359..6015166c43 100644
--- a/app/models/turma.rb
+++ b/app/models/turma.rb
@@ -1,8 +1,8 @@
 class Turma < ApplicationRecord
   belongs_to :disciplina
   has_many :formularios, dependent: :destroy  
-  has_and_belongs_to_many :discentes
-  has_and_belongs_to_many :docentes
+  has_and_belongs_to_many :discentes, join_table: "discentes_turmas"
+  has_and_belongs_to_many :docentes, join_table: "docentes_turmas"
 
   validates :numero_da_turma, presence: true, uniqueness: { 
     scope: [:semestre, :disciplina_id], 
diff --git a/app/views/redefinicao_senhas/new.html.erb b/app/views/redefinicao_senhas/new.html.erb
index 88c31f2ef6..e7234e77f1 100644
--- a/app/views/redefinicao_senhas/new.html.erb
+++ b/app/views/redefinicao_senhas/new.html.erb
@@ -1,12 +1,19 @@
-<h1>Redefinição de senha</h1>
+<div class="password-reset-container">
+  <div class="password-reset-box">
 
-<%= form_with url: redefinir_senha_path do %>
-  <div>
-    <%= label_tag :email, "Email" %>
-    <%= email_field_tag :email %>
-  </div>
+    <h1>Redefinição de senha</h1>
+
+    <%= form_with url: redefinir_senha_path do %>
+
+      <div class="field">
+        <%= label_tag :email, "Email" %>
+        <%= email_field_tag :email %>
+      </div>
+
+      <%= submit_tag "Solicitar redefinição",
+                     class: "btn-submit" %>
+
+    <% end %>
 
-  <div>
-    <%= submit_tag "Solicitar redefinição" %>
   </div>
-<% end %>
+</div>
\ No newline at end of file
diff --git a/app/views/sessions/new.html.erb b/app/views/sessions/new.html.erb
index a8cceae605..8f93b2236a 100644
--- a/app/views/sessions/new.html.erb
+++ b/app/views/sessions/new.html.erb
@@ -1,19 +1,30 @@
-<h1>Login</h1>
+<div class="login-container">
+  <div class="login-form">
+    <h1>LOGIN</h1>
 
-<%= form_with url: login_path do %>
-  <div>
-    <%= label_tag :login, "Email ou matrícula" %>
-    <%= text_field_tag :login %>
-  </div>
+    <%= form_with url: login_path do %>
 
-  <div>
-    <%= label_tag :senha, "Senha" %>
-    <%= password_field_tag :senha %>
-  </div>
+      <div class="field">
+        <%= label_tag :login, "Email ou matrícula" %>
+        <%= text_field_tag :login, nil, placeholder: "aluno@aluno.unb.br" %>
+      </div>
+
+      <div class="field">
+        <%= label_tag :senha, "Senha" %>
+        <%= password_field_tag :senha, nil, placeholder: "Password" %>
+      </div>
 
-  <div>
-    <%= submit_tag "Entrar" %>
+      <%= submit_tag "Entrar", class: "btn-login" %>
+    <% end %>
+
+    <%= button_to "Esqueci minha senha", redefinir_senha_path, method: :get, class: "btn-forgot" %>
   </div>
-<% end %>
 
-<%= button_to "Esqueci minha senha", redefinir_senha_path, method: :get %>
+  <div class="login-banner">
+    <h2>
+      Bem vindo<br>
+      ao<br>
+      Camaar
+    </h2>
+  </div>
+</div>
\ No newline at end of file
diff --git a/config/database.yml b/config/database.yml
index a857bdc858..63ad6ca8d5 100644
--- a/config/database.yml
+++ b/config/database.yml
@@ -13,8 +13,8 @@ default: &default
   adapter: mysql2
   encoding: utf8mb4
   pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %>
-  username: root
-  password: root
+  username: camaar
+  password: senha_do_camaar
   socket: /var/run/mysqld/mysqld.sock
 
 development:
diff --git a/db/seeds.rb b/db/seeds.rb
index 4fbd6ed970..134d68ef30 100644
--- a/db/seeds.rb
+++ b/db/seeds.rb
@@ -1,9 +1,97 @@
-# This file should ensure the existence of records required to run the application in every environment (production,
-# development, test). The code here should be idempotent so that it can be executed at any point in every environment.
-# The data can then be loaded with the bin/rails db:seed command (or created alongside the database with db:setup).
-#
-# Example:
-#
-#   ["Action", "Comedy", "Drama", "Horror"].each do |genre_name|
-#     MovieGenre.find_or_create_by!(name: genre_name)
-#   end
+# This file should ensure the existence of records required to run the application in every environment.
+# The code here should be idempotent so that it can be executed at any point in every environment.
+
+# Departamentos
+dept_cic = Departamento.find_or_create_by!(codigo: "CIC") do |d|
+  d.nome = "Ciência da Computação"
+end
+
+dept_mat = Departamento.find_or_create_by!(codigo: "MAT") do |d|
+  d.nome = "Matemática"
+end
+
+# Cursos
+curso_cc = Curso.find_or_create_by!(codigo: "CC") do |c|
+  c.nome = "Bacharelado em Ciência da Computação"
+  c.departamento = dept_cic
+end
+
+# Disciplinas
+disc_ed = Disciplina.find_or_create_by!(codigo: "CIC0001") do |d|
+  d.nome = "Estrutura de Dados"
+  d.departamento = dept_cic
+end
+
+# Turmas
+turma_a = Turma.find_or_create_by!(numero_da_turma: "A", semestre: "2026.1", disciplina: disc_ed) do |t|
+  t.horario = "35T23"
+end
+
+# Usuários (Docente, Discente, Admin)
+# A migration AjustaNulosParaSti permite que curso e departamento sejam nulos,
+# mas vamos associá-los aos nossos testes para dados mais ricos.
+
+docente = Docente.find_or_initialize_by(email: "docente@teste.com")
+docente.nome ||= "Docente Teste"
+docente.matricula ||= "241000001"
+docente.senha = "teste123"
+docente.senha_confirmation = "teste123"
+docente.departamento = dept_cic
+docente.formacao = "doutorado"
+docente.save!
+
+discente = Discente.find_or_initialize_by(email: "discente@teste.com")
+discente.nome ||= "Discente Teste"
+discente.matricula ||= "241000002"
+discente.senha = "teste123"
+discente.senha_confirmation = "teste123"
+discente.curso = curso_cc
+docente.formacao = "graduacao"
+discente.save!
+
+admin = Administrador.find_or_initialize_by(email: "admin@teste.com")
+admin.nome ||= "Admin Teste"
+admin.matricula ||= "240000003"
+admin.senha = "teste123"
+admin.senha_confirmation = "teste123"
+admin.departamento = dept_cic
+admin.save!
+
+# Vinculando Usuários às Turmas
+discente.turmas << turma_a unless discente.turmas.include?(turma_a)
+docente.turmas << turma_a unless docente.turmas.include?(turma_a)
+
+# Templates, Elementos e Campos (Estrutura base de formulários)
+template = Template.find_or_create_by!(nome: "Avaliação de Disciplina Padrão")
+
+elemento1 = Elemento.find_or_create_by!(enunciado: "Avalie a didática do professor", template: template) do |e|
+  e.ordem = 1
+end
+
+campo1 = Campo.find_or_create_by!(enunciado: "Nota de 1 a 5", elemento: elemento1) do |c|
+  c.ordem = 1
+  c.tipo_elemento = "escala"
+end
+
+# Formulários de Turma, Elementos de Form e Campos de Form
+formulario = Formulario.find_or_create_by!(turma: turma_a)
+
+elemento_form = ElementoForm.find_or_create_by!(enunciado: elemento1.enunciado, formulario: formulario) do |ef|
+  ef.ordem = elemento1.ordem
+end
+
+campo_form = CampoForm.find_or_create_by!(enunciado: campo1.enunciado, elemento_form: elemento_form) do |cf|
+  cf.ordem = campo1.ordem
+end
+
+# Respostas (Simulando uma resposta de um Discente)
+resposta_form = RespostaForm.find_or_create_by!(formulario: formulario, usuario: discente) do |rf|
+  rf.data_submissao = Date.today
+end
+
+RespostaElem.find_or_create_by!(resposta_form: resposta_form, elemento_form: elemento_form) do |re|
+  re.texto_resposta = "5"
+  re.campo_form = campo_form # campo_form_id pode ser nulo pela sua migration, mas passamos aqui
+end
+
+puts "Seeds finalizados com sucesso"
\ No newline at end of file