body {
  font-family: 'Segoe UI', Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #f8f0fa;
  color: #333;
}
header {
  background: #e3b7e3;
  padding: 1em;
  text-align: center;
}
main {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2em 1em;
}
#video-player-container {
  width: 100%;
  max-width: 720px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  padding: 1em;
}
#subtitle-controls {
  margin-top: 1em;
  text-align: left;
}
footer {
  background: #e3b7e3;
  text-align: center;
  padding: 1em;
  position: fixed;
  width: 100%;
  bottom: 0;
}
@media (max-width: 800px) {
  #video-player-container {
    max-width: 100%;
  }
}