.mergevideo-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.875rem;
}

.mergevideo-card {
  min-width: 0;
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
  background: #fff;
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.mergevideo-card.is-dragging {
  opacity: 0.5;
}

.mergevideo-thumb {
  aspect-ratio: 16 / 9;
  background: #111827;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.mergevideo-thumb video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mergevideo-upload-status .material-symbols-outlined {
  transform: none;
}

@media (max-width: 1024px) {
  .mergevideo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .mergevideo-grid {
    grid-template-columns: 1fr;
  }
}