body {
  font-family: Arial, sans-serif;
  background-color: #fff;
  color: #222;
  padding: 20px;
  max-width: 800px;
  margin: auto;
}

header {
  text-align: center;
}

.yt-logo {
  width: 32px;
  vertical-align: middle;
}

h1 {
  font-size: 1.8em;
  margin: 10px 0;
}

p {
  font-size: 1em;
  margin-bottom: 20px;
}

.category {
  background: #f9f9f9;
  padding: 15px;
  margin-bottom: 20px;
  border: 1px solid #ddd;
  border-radius: 8px;
}

input[type="text"] {
  width: 90%;
  padding: 8px;
  margin: 5px 0;
}

button {
  padding: 10px 20px;
  font-weight: bold;
  background-color: #cc0000;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}