body {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
  background-color: #f5f5f5;
  background-image: url("/static/assets/pattern-30.svg");
  background-repeat: repeat;
  background-size: auto;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.container {
  text-align: center;
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
  max-width: 400px;
}

.channel-image {
  width: 90px;
  height: 90px;
  object-fit: cover;
  border-radius: 50%;
  margin-bottom: 1rem;
}

h1 {
  font-size: 1.8rem;
  margin: 0.5rem 0;
}

p {
  font-size: 1rem;
  color: #333;
}

.join-button {
  display: inline-block;
  margin-top: 1.5rem;
  padding: 0.9rem 1.7rem;
  background-color: #0088cc;
  color: white;
  text-decoration: none;
  font-size: 1.1rem;
  border-radius: 6px;
  transition: background 0.2s ease;
}

.join-button:hover {
  background-color: #006699;
}