/**
 * Siple Gallery, V4b (WIP)
 *
 * V1: https://codepen.io/bramus/pen/pogLgwZ
 * V2: https://codepen.io/bramus/pen/abdjLBx
 * V3: https://codepen.io/bramus/pen/eYJjGgQ
 * V4: https://codepen.io/bramus/pen/GRoaXQJ
 */

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

html {
	scroll-behavior: smooth;
}

ul.gallery {
	--numcolumns: 4;
	--gap: 0.25em;
	--size: calc(100vw / var(--numcolumns));
	display: grid;
	grid-template-columns: repeat(var(--numcolumns), 1fr);
	
	grid-template-rows: auto;
	gap: var(--gap);
	align-items: stretch;
	
	list-style: none;
}

ul.gallery > li {
	display: block;
	height: calc(var(--size) - var(--gap));
	position: relative;
}

ul.gallery > li.wide {
	grid-column: span 2;
}

ul.gallery > li.wider {
	grid-column: span 3;
}

ul.gallery > li.high {
	grid-row: span 2;
	height: auto; /* to undo the height */
}

ul.gallery > li > a.zoomout {
	display: none;
}

ul.gallery > li > a,
ul.gallery > li > a > img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
}

ul.gallery > li > a.zoomin:hover::after,
ul.gallery > li > a.zoomin:focus::after {
	content: '';
	display: block;
	background: rgba(255, 255, 255, 0.2) url(data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiA/PjxzdmcgZmlsbD0ibm9uZSIgaGVpZ2h0PSIyNCIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS1saW5lY2FwPSJyb3VuZCIgc3Ryb2tlLWxpbmVqb2luPSJyb3VuZCIgc3Ryb2tlLXdpZHRoPSIyIiB2aWV3Qm94PSIwIDAgMjQgMjQiIHdpZHRoPSIyNCIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj48Y2lyY2xlIGN4PSIxMSIgY3k9IjExIiByPSI4Ii8+PGxpbmUgeDE9IjIxIiB4Mj0iMTYuNjUiIHkxPSIyMSIgeTI9IjE2LjY1Ii8+PGxpbmUgeDE9IjExIiB4Mj0iMTEiIHkxPSI4IiB5Mj0iMTQiLz48bGluZSB4MT0iOCIgeDI9IjE0IiB5MT0iMTEiIHkyPSIxMSIvPjwvc3ZnPg==) no-repeat 50% 50%;
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	z-index: 10;
}

ul.gallery > li:focus-within,
ul.gallery > li:target {
	overflow: visible;
	z-index: 1;
}

/* Make sure tile of active image is on top */
ul.gallery > li:target {
	z-index: 2;
}

/* Hide zoom in link when the tile is targetted */
ul.gallery > li:target > a.zoomin {
	display: none;
}

/* Show zoom out (close) link when the tile is targetted */
ul.gallery > li:target > a.zoomout {
	display: block;
	top: 0;
	right: 0;
	bottom: 0;
	left: 0;
	position: fixed;
	z-index: 12;
}

/* Stretch out the image */
ul.gallery > li > a.zoomout > img {
	object-fit: contain;
	padding: 1vw;
	top: 0;
	right: 0;
	bottom: 0;
	left: 0;
	position: fixed;
	z-index: 11;
	background: rgba(0, 0, 0, 0.8);
}

/* Put close link on top */
ul.gallery > li:target > a.zoomout::after {
  content: 'Mova as setas para alternar entre as imagens. Clique ou aperte ESC para fechar';
  position: fixed;
  left: 50%;
  bottom: 1vw;
  transform: translateX(-50%);
  font-size: 1rem;
  font-weight: bold;
  color: #fff;
  background-color: #000; /* Cor de fundo preta */
  padding: 10px 20px; /* Espaçamento ao redor do texto */
  z-index: 12;
  text-align: center;
  max-width: 90%;
  border-radius: 5px; /* Bordas arredondadas, se preferir */
}