:root {
  color-scheme: dark;
}
body {
  background-color: #121212;
  color: #e0e0e0;
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
}
header {
  background-color: #1e1e1e;
  padding: 20px;
  border-bottom: 1px solid #333;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
h1 {
  margin: 0;
  font-size: 28px;
}
nav {
  display: flex;
  gap: 10px;
}
nav a button {
  background-color: #333;
  color: #f1f1f1;
  border: 1px solid #555;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  transition: background-color 0.2s;
}
nav a button:hover {
  background-color: #444;
}
main {
  padding: 30px;
  max-width: 800px;
  margin: auto;
}
h2 {
  color: #ffffff;
}
textarea {
  width: 100%;
  height: 150px;
  font-family: monospace;
  background-color: #1e1e1e;
  color: #dcdcdc;
  border: 1px solid #444;
  padding: 8px;
  border-radius: 5px;
}
#results {
  font-family: monospace; 
  white-space: pre-wrap;
  margin-top: 20px;
  background-color: #1e1e1e;
  border: 1px solid #444;
  padding: 10px;
  border-radius: 5px;
}
button {
  background-color: #333;
  color: #f1f1f1;
  border: 1px solid #555;
  padding: 8px 16px;
  margin-top: 10px;
  margin-right: 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.2s;
}
button:hover {
  background-color: #444;
}
.image-select {
  margin-top: 10px;
}
canvas {
  margin-top: 10px;
  border: 1px solid #555;
}
label {
  display: block;
  margin: 10px 0 4px;
  font-weight: bold;
}