/*
body {
    margin-bottom: 500px;
}
.header-container {
    display: flex;
    height: 100px;
}
.flexbox {
    height: 450px;
    border: 3px solid red;
    display: flex; 
    margin-bottom: 16px;
    justify-content: center;
     align-items: stretch; 
    align-content: flex-end;
    flex-wrap: wrap; 
     align-content: flex-end;
    flex-direction: column;
}

.flexbox div {
    border: 2px solid orange;
    width: 150px;
    height: 150px;
    margin: 15px;
}
.flex-container1 {

}
*/
/* Estilos Gerais */
body {
  font-family: Arial, sans-serif;
  margin: 20px;
}

section {
  margin-bottom: 40px;
}

h2 {
  margin-top: 40px;
  border-bottom: 2px solid #ccc;
  padding-bottom: 10px;
}

.grid-container {
  display: grid;
  background-color: #eee;
  padding: 10px;
  /* cria um espaçamento entre item */
  gap: 5px;
}

.item-grid {
  background-color: #2196f3;
  color: white;
  padding: 20px;
  font-size: 1.2em;
  text-align: center;
  /* margin: 5px; */
}
/* Grid Básico com linhas e Colunas Definidas */
.basico{
    grid-template-columns: 1fr 1fr 1fr;
    grid-auto-rows: 200px;
}
/* Uso de repeat(), minmax() e fr */
.repeat-minmax {
    grid-template-columns: repeat(4, minmax(150px, 1fr));
}

/* 3. Grid Responsivo com auto-fit e minmax() */
.auto-fit {
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  grid-auto-rows: 100px;
  grid-gap: 10px;
}

/* 4. Grid com Posicionamento de Itens e Sobreposição */
.sobreposicao {
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 100px 100px;
  grid-gap: 10px;
  position: relative;
}

.sobreposicao .item-grid {
  background-color: rgba(33, 150, 243, 0.8);
}

.item1 {
  grid-column: 1 / 3;
  grid-row: 1 / 2;
  z-index: 2;
}

.item2 {
  grid-column: 2 / 4;
  grid-row: 1 / 2;
  z-index: 1;
}

.item3 {
  grid-column: 1 / 2;
  grid-row: 2 / 3;
}

.item4 {
    grid-column: 2 / 4;
}

/* 5. Grid com Áreas Nomeadas e Alinhamento */
.areas-nomeadas {
  grid-template-areas:
    "cabecalho cabecalho"
    "menu conteudo"
    "rodape rodape";
  grid-template-columns: 1fr 2fr;
  grid-template-rows: auto;
  grid-gap: 10px;
}

.cabecalho {
  grid-area: cabecalho;
  background-color: #4caf50;
}

.menu { 
  grid-area: menu;
  background-color: #2196f3;
}

.conteudo {
  grid-area: conteudo;
  background-color: #f44336;
}

.rodape {
  grid-area: rodape;
  background-color: #9c27b0;
}

.grid-aninhado {
  grid-template-columns: repeat(2, 1fr);
}

.subgrid-container {
  display: grid;
  gap: 15px;
  grid-template-columns: 1fr 1fr 1fr;
}

.subitem-grid {
  background-color: #ff9800;
}
.layout-pagina {
  grid-template-areas: 
  "header header header"
  "nav main aside"
  "footer footer footer";
  grid-template-columns: 1fr 2fr 1fr;
  grid-template-rows: auto 1fr auto;
  height: 500px;
}

.header {
  grid-area: header;
  background-color: #3f51b5;
}

.nav {
  grid-area: nav;
  background-color: #f44336;
}

.main {
  grid-area: main;
  background-color: #2196f3;
}

.aside {
  grid-area: aside;
  background-color: #ff9800;
}

.footer {
  grid-area: footer;
  background-color: #4caf50;
}

.container {
  background-color: #333;
  border: 3px solid red;
  padding: 15px;
  display: grid;
  gap: 15px;
  grid-template-areas:
  'header header header header'
  'sidebar content content content'
  'footer footer footer footer';
}
.container div {
  background-color: #ccc;
  padding: 20px;
  border: 2px solid blue;
}
.header {
  grid-area: header;
}

.sidebar {
  grid-area: sidebar;
  height: 50vh;
}

.content {
  grid-area: content;
}

.footer {
  grid-area: footer;
}

@media(max-width: 768px) {
  .layout-pagina {
    grid-template-areas: 
    "header"
    "nav" 
    "main"
    "aside"
    "footer";
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
}