body {
	font-family: Arial, sans-serif;
	background: #f7f7f7;
	margin: 0;
	padding: 0;
	color: #333;
}

header {
	background-color: white;
	color: black;
	padding: 20px;
	display: flex;
	align-items: center;
	border-bottom: 3px solid black;
}

header img {
	height: 60px;
	margin-right: 20px;
}

main {
	max-width: 100%;
	margin: 10px auto;        /* oben/unten 10px, links/rechts automatisch zentriert */
	background: white;
	padding: 30px;
	border-radius: 10px;
	box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

h1 {
	color: #000;
	font-size: 1.4em;
}

form {
	margin-top: 20px;
}

input[type="file"] {
	margin-top: 10px;
}

input[type="submit"] {
	margin-top: 20px;
	background-color: #D3D3D3;
	color: black;
	border: none;
	padding: 10px 20px;
	border-radius: 5px;
	cursor: pointer;
}

input[type="submit"]:hover {
	background-color: #808080;
}

footer {
	text-align: center;
	padding: 20px;
	font-size: 0.9em;
	color: #666;
	background: #f1f1f1;
}

@media (max-width: 600px) {
	header {
		flex-direction: column;
		align-items: flex-start;
	}

	header img {
		margin-bottom: 10px;
	}
}


label, select, input[type="text"] {
  margin-top: 10px;
  display: block;
  width: 100%;
  max-width: 400px;
}


.form-row {
  margin-bottom: 20px;
}

details {
  padding: 10px;
  background-color: #f1f1f1;
  margin: 20px 0;
}

summary {
  font-weight: bold;
  cursor: pointer;
								
}

summary::marker {
  content: "▶ ";
	 
}

details[open] summary::marker {
  content: "▼ ";
						
}