body {
  font-family: 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  background: #f5f7fa;
  color: #333;
  padding: 2rem;
}


header {
  text-align: center;
  margin-bottom: 2rem;
}

.group {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid #ddd;
}


.group h2 {
  margin-bottom: 0.5rem;
}

.group-title::before {
  content: "▸ ";
  display: inline-block;
  margin-right: 0.25rem;
}

.group-title.open::before {
  content: "▾ "; /* Or keep ▸ and rotate it */
}

.subcams {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.cam {
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  padding: 0.75rem;
  transition: transform 0.2s ease;
}

.cam:hover {
  transform: scale(1.01);
}


.cam iframe {
  width: 100%;
  aspect-ratio: 16 / 9;
}
@media (max-width: 600px) {
  .subcams {
    grid-template-columns: 1fr;
  }

  iframe {
    aspect-ratio: 16 / 9;
  }
}