body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: white;
}

header {
  background: #0d47a1;
  color: white;
  text-align: center;
  padding: 12px;
  font-size: 20px;
  font-weight: bold;
}

.ad-banner {
  background: #f5f5f5;
  text-align: center;
  padding: 10px;
  border-bottom: 1px solid #ddd;
  font-size: 14px;
}

.container {
  padding: 12px;
}

.channel {
  background: #1976d2;
  color: white;
  padding: 14px;
  margin-bottom: 10px;
  border-radius: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: 0.2s;
}

.channel:hover {
  background: #1565c0;
}

.live {
  background: red;
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: bold;
}

.bottom-ad {
  position: fixed;
  bottom: 0;
  width: 100%;
  background: #f5f5f5;
  text-align: center;
  padding: 8px;
  border-top: 1px solid #ddd;
  font-size: 13px;
}