/* Cores */
:root {
  --cor-primaria: #FF9900; /* Laranja */
  --cor-secundaria: #000000; /* Preto */
  --cor-terciaria: #FFFFFF; /* Branco */
}

/* Estilo Global */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--cor-secundaria);
  background-color: var(--cor-terciaria);
}

/* Header */
header {
  background-color: var(--cor-primaria);
  color: var(--cor-terciaria);
  padding: 20px;
  text-align: center;
}

header h1 {
  font-size: 36px;
  margin-bottom: 10px;
}

/* Navegação */
nav {
  background-color: var(--cor-secundaria);
  padding: 10px;
  text-align: center;
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

nav li {
  margin-right: 20px;
}

nav a {
  color: var(--cor-terciaria);
  text-decoration: none;
}

nav a:hover {
  color: var(--cor-primaria);
}

/* Main */
main {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px;
}

/* Tabela */
table {
  border-collapse: collapse;
  width: 100%;
  margin-bottom: 20px;
}

th, td {
  border: 1px solid #ddd;
  padding: 10px;
  text-align: left;
}

th {
  background-color: var(--cor-secundaria);
  color: var(--cor-terciaria);
}

tr:nth-child(even) {
  background-color: #f2f2f2;
}

tr:nth-child(odd) {
  background-color: #ffffff;
}

tr:hover {
  background-color: #ddd;
}

td a {
  color: var(--cor-secundaria);
  text-decoration: none;
}

td a:hover {
  color: var(--cor-primaria);
}

/* Responsividade da Tabela */
@media (max-width: 768px) {
  table {
    font-size: 14px;
  }
  th, td {
    padding: 5px;
  }
}

@media (max-width: 480px) {
  table {
    font-size: 12px;
  }
  th, td {
    padding: 2px;
  }
}

/* Footer */
footer {
  background-color: var(--cor-secundaria);
  color: var(--cor-terciaria);
  padding: 10px;
  text-align: center;
  clear: both;
}

/* Botões */
button {
  background-color: var(--cor-primaria);
  color: var(--cor-terciaria);
  padding: 10px 20px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  background-color: var(--cor-secundaria);
}

/* Formulários */
form {
  margin-top: 20px;
}

label {
  display: block;
  margin-bottom: 10px;
}

input[type="text"], input[type="email"], input[type="password"] {
  width: 100%;
  padding: 10px;
  margin-bottom: 20px;
  border: 1px solid var(--cor-secundaria);
}

input[type="submit"] {
  background-color: var(--cor-primaria);
  color: var(--cor-terciaria);
  padding: 10px 20px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

input[type="submit"]:hover {
  background-color: var(--cor-secundaria);
}

/* Responsividade Geral */
@media (max-width: 1200px) {
  main {
    padding: 10px;
  }
  section {
    padding: 10px;
  }
}

@media (max-width: 768px) {
  main {
    padding: 5px;
  }
  section {
    padding: 5px;
  }
}

@media (max-width: 480px) {
  main {
    padding: 2px;
  }
  section {
    padding: 2px;
  }
}