/* Estilos globais */
body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  transition: background-color 0.3s, color 0.3s;
}

/* Tema claro (com degradê) */
body.light-theme {
  background: linear-gradient(to bottom, #ffffff, #f2f2f2);
  color: #000000;
}

/* Tema escuro */
body.dark-theme {
  background-color: #121212;
  color: #ffffff;
}

/* Garante que links e elementos específicos sejam afetados */
body.dark-theme p, 
body.dark-theme span {
  color: #ffffff !important;
}

/* Estilo para hover de links no tema escuro */
body.dark-theme a:hover {
  color: #cccccc !important;
}

/* Cabeçalho */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px;
  background: linear-gradient(to right, #ff0000, #0000ff);
  color: white;
  transition: background 0.3s ease;
}

/* Cabeçalho no tema escuro */
body.dark-theme header {
  background: linear-gradient(to right, #1a1a1a, #333333);
}

/* Botão de alternar tema */
#theme-toggle {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: white;
  transition: transform 0.2s ease;
}

#theme-toggle:hover {
  transform: scale(1.1);
}

.logo img {
  max-width: 80px;
}

nav ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 15px;
}

nav ul li {
  display: inline;
}

nav ul li a {
  text-decoration: none;
  color: white;
  padding: 10px 15px;
  transition: background-color 0.3s ease;
}

nav ul li a:hover {
  background-color: #C62828;
  border-radius: 4px;
}

.user-options {
  display: flex;
  align-items: center;
  gap: 15px;
  list-style-type: none;
}

.user-options a {
  color: white;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 5px;
  font-weight: bold;
}

.user-options a i {
  font-size: 30px;
  color: white;
}

/* Seção Sobre */
.sobre-section {
  max-width: 900px;
  margin: 80px auto;
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  background-color: #ffffff;
  transition: background-color 0.3s, color 0.3s;
}

body.dark-theme .sobre-section {
  background-color: #1e1e1e;
  color: #ffffff;
}

.sobre-section h2 {
  color: #E53935; 
  font-size: 2.5em;
  margin-bottom: 20px;
  text-align: center;
}

.sobre-section p {
  font-size: 1.2em;
  color: #666;
  margin-bottom: 20px;
  text-align: justify;
}

body.dark-theme .sobre-section p {
  color: #ddd;
}

/* Imagens na seção sobre */
.sobre-imagens {
  display: flex;
  justify-content: space-between;
  margin: 40px 0;
}

.sobre-imagens img {
  width: 30%;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Rodapé */
footer {
  background-color: #D62828; 
  color: white;
  text-align: center;
  padding: 20px 0;
  position: relative;
  bottom: 0;
  width: 100%;
  font-size: 1.1em;
  transition: background-color 0.3s;
}

body.dark-theme footer {
  background-color: #2a2a2a;
}