/* Reset básico */
body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background-color: #f9fafb;
  color: #111827;
}
/* Adiciona margem lateral de 5cm em todas as ferramentas */
main {
  max-width: calc(100vw - 10cm); /* 5cm de cada lado */
  margin: 40px auto;
  padding: 0 20px;
}

/* NAVBAR */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #2563eb;
  padding: 12px 24px;
  color: white;
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar a {
  color: white;
  text-decoration: none;
  margin: 0 16px;
  font-weight: 500;
}

.navbar a:hover {
  text-decoration: underline;
}

.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-content {
  display: none;
  position: absolute;
  background-color: white;
  color: black;
  min-width: 220px;
  box-shadow: 0px 8px 16px rgba(0,0,0,0.1);
  border-radius: 6px;
  padding: 12px 0;
  top: 100%;
  left: 0;
}

.dropdown-content a {
  color: #111827;
  padding: 10px 20px;
  display: block;
  text-decoration: none;
  font-size: 15px;
}

.dropdown-content a:hover {
  background-color: #f3f4f6;
}

.dropdown:hover .dropdown-content {
  display: block;
}

/* Rodapé */
footer {
  text-align: center;
  padding: 20px;
  font-size: 14px;
  color: #6b7280;
}