body {
  font-family: sans-serif;
  text-align: center;
  padding: 20px;
  background: #f2f2f2;
}
h1 { margin-bottom: 20px; }
#busca {
  padding: 10px;
  font-size: 16px;
  width: 80%;
  max-width: 500px;
  margin-bottom: 20px;
}
#canais {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 300px;
  overflow-y: auto;
  margin-bottom: 20px;
}
.canal {
  background: white;
  padding: 10px;
  border-radius: 5px;
  cursor: pointer;
}
.canal:hover {
  background: #e0e0e0;
}
video {
  width: 100%;
  max-width: 700px;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 0 8px rgba(0,0,0,0.2);
}