/* Container for the Long Sequence grid */
#longseq-grid {
    margin-top: 32px;
}

/* Table structure */
#longseq-grid .longseq-video-table {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* 4 columns per row: Input 1 | Ours 1 | Input 2 | Ours 2 */
#longseq-grid .longseq-header-row,
#longseq-grid .longseq-video-row {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
    align-items: center;
}

#longseq-grid .longseq-header-row {
  font-weight: 600;
  font-size: 0.9rem;
  text-align: center;
  border-bottom: 1px solid #ddd;
  padding-bottom: 6px;
  margin-bottom: 4px;
}

#longseq-grid .longseq-header-cell {
  padding: 4px 2px;
}

#longseq-grid .longseq-video-row .longseq-cell {
  background: #fdfdfd;
}

#longseq-grid video {
  width: 100%;
  display: block;
  border-radius: 4px;
  border: 1px solid #ddd;
  background: #000;
}

/* Responsive: fall back to 2 columns on narrow screens */
@media (max-width: 900px) {
  #longseq-grid .longseq-header-row,
  #longseq-grid .longseq-video-row {
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: auto;
  }

  #longseq-grid .longseq-header-row::after {
    content: "Scroll horizontally on small screens.";
    grid-column: 1 / -1;
    font-size: 0.75rem;
    color: #888;
    margin-top: 4px;
  }
}