.video-player-container {
  max-width: 400px; /* zmniejsz szerokość np. do 400px */
  max-width: 200px;
  margin: 2rem auto;
  background: #000;
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  box-shadow: 0 0 10px rgba(0,0,0,0.5);
}

.video-player-container video {
  width: 100%;
  display: block;
  border-radius: 8px;
}

.fullscreen-btn {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(255,255,255,0.1);
  color: #fff;
  border: none;
  padding: 0.3rem 0.8rem;
  font-size: 0.85rem;
  cursor: pointer;
  border-radius: 4px;
}

.fullscreen-btn:hover {
  background: rgba(255,255,255,0.3);
}

/* Tryb jasny */
body[data-theme="light"] .video-player-container {
  background: #f0f0f0;
}

body[data-theme="light"] .fullscreen-btn {
  background: rgba(0,0,0,0.1);
  color: #333;
}

body[data-theme="light"] .fullscreen-btn:hover {
  background: rgba(0,0,0,0.3);
}