body.dark-mode {
  background-color: var(--preto);
  color: var(--branco);
  transition: background-color 0.3s, color 0.3s;
}

/* Header */
body.dark-mode header {
  background-color: var(--preto);
  color: var(--branco);
}

/* Menu */
body.dark-mode nav a {
  color: var(--branco);
}

/* Seções */
body.dark-mode section {
  color: var(--branco);
}

/* Formulários */
body.dark-mode form input, 
body.dark-mode form textarea {
  border: 1px solid var(--branco);
  background-color: #1e1e1e;
  color: var(--branco);
}

/* Botões */
body.dark-mode button {
  background-color: var(--branco);
  color: var(--preto);
}

/* Rodapé */
body.dark-mode footer {
  background-color: var(--preto);
  color: var(--branco);
}

/* Logo mantém proporções iguais ao modo claro */
body.dark-mode .logo {
  height: 60px;
  margin-right: 1rem;
}

body.dark-mode .logo-footer {
  height: 50px;
  margin-bottom: 0.5rem;
}

body.dark-mode .footer-logo {
  margin-bottom: 0.5rem;
}

/* Ícone sanduíche no dark mode */
body.dark-mode .menu-toggle {
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--branco);
  cursor: pointer;
  display: none; /* só aparece no mobile */
}

/* Menu responsivo no modo escuro */
@media (max-width: 768px) {
  body.dark-mode header {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  body.dark-mode .menu-toggle {
    display: block; /* mostra ícone no mobile */
  }

  body.dark-mode nav {
    display: none; /* esconde menu por padrão */
    flex-direction: column;
    align-items: center;
    background-color: var(--preto);
    width: 100%;
  }

  body.dark-mode nav.show {
    display: flex; /* mostra menu quando ativado */
  }

  body.dark-mode nav a {
    margin: 1rem 0;
    display: block;
  }

  body.dark-mode .logo {
    margin-bottom: 1rem;
  }
}

body.dark-mode article {
  background-color: #1e1e1e;
  color: var(--branco);
  box-shadow: 0 4px 8px rgba(255,255,255,0.1);
}

body.dark-mode article h2 {
  color: var(--branco);
}

body.dark-mode article small {
  color: #ccc;
}

body.dark-mode .card {
  background: #1e1e1e;
  color: var(--branco);
  box-shadow: 0 0 10px rgba(255,255,255,0.1);
}

body.dark-mode .card h3 {
  color: var(--branco);
}

body.dark-mode .card p {
  color: #ccc;
}

body.dark-mode .card small {
  color: #aaa;
}

body.dark-mode .noticia-card {
  background: #1e1e1e;
  color: var(--branco);
  box-shadow: 0 0 10px rgba(255,255,255,0.1);
}

body.dark-mode .noticia-card .card-title {
  background: rgba(255,255,255,0.2);
  color: var(--branco);
}

body.dark-mode .noticia-card .card-content {
  color: #ccc;
}