body {
	font-family: "Arial", sans-serif;
	margin: 0;
	padding: 20px;
	background: linear-gradient(135deg, #e0eafc, #cfdef3);
	min-height: 100vh;
	display: flex;
	justify-content: center;
}
#container {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 20px;
	max-width: 800px;
	width: 100%;
	background: white;
	padding: 20px;
	border-radius: 15px;
	box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}
h1 {
	color: #333;
	font-size: 1.8em;
	margin: 0;
}
#imageCanvas {
	max-width: 100%;
	max-height: 400px;
	border-radius: 10px;
	box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}
#controls {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
	gap: 15px;
	width: 100%;
	padding: 10px;
}
.channel {
	display: flex;
	flex-direction: column;
	align-items: center;
	background: #f9f9f9;
	padding: 10px;
	border-radius: 8px;
}
label {
	font-weight: bold;
	color: #555;
	font-size: 0.9em;
	margin-bottom: 5px;
}
input[type="range"] {
	width: 100%;
	accent-color: #6b7280;
}
#filterOutput {
	width: 100%;
	max-width: 600px;
	margin-top: 20px;
}
textarea {
	width: 100%;
	height: 100px;
	resize: none;
	padding: 10px;
	border: 1px solid #ddd;
	border-radius: 5px;
	font-family: "Courier New", monospace;
	font-size: 0.9em;
	background: #f4f4f4;
	color: #333;
}
@media (max-width: 600px) {
	#container {
		padding: 15px;
	}
	h1 {
		font-size: 1.5em;
	}
	#controls {
		grid-template-columns: 1fr;
	}
	textarea {
		height: 80px;
		font-size: 0.8em;
	}
}