// ── PROGRAM MODAL ─────────────────────────────────────────────────────────────
function openProgramModal(ch, p) {
  const now = new Date();
  const isLive = p.start <= now && p.stop > now;
  const dur = Math.round((p.stop - p.start) / 60000);
  const ep  = fmtEpisode(p.season, p.episode);
  const genres = formatCategories(p.categories);
  const meta = [p.airDate, p.rating].filter(Boolean).join('  ·  ');

  document.getElementById('pm-title').textContent    = p.title;
  document.getElementById('pm-channel').textContent  = ch.name;
  document.getElementById('pm-subtitle').textContent = p.subtitle || '';
  document.getElementById('pm-subtitle').style.display = p.subtitle ? 'block' : 'none';
  document.getElementById('pm-time').textContent     =
    `${fmtTime(p.start)} — ${fmtTime(p.stop)}  ·  ${dur} ${L.duration_min}` +
    (ep ? `  ·  ${ep}` : '');
  document.getElementById('pm-meta').textContent     = meta;
  document.getElementById('pm-meta').style.display   = meta ? 'block' : 'none';
  document.getElementById('pm-genres').textContent   = genres;
  document.getElementById('pm-genres').style.display = genres ? 'block' : 'none';
  document.getElementById('pm-desc').textContent     = p.desc || '';
  document.getElementById('pm-desc').style.display   = p.desc ? 'block' : 'none';

  // Only show "Watch now" when the program is live and the active source has M3U data.
  const watchBtn = document.getElementById('pm-watch');
  if (isLive && currentM3uUrl) {
    watchBtn.style.display = 'inline-flex';
    watchBtn.onclick = () => { closeProgramModal(); openPip(ch.name, p.title); };
  } else {
    watchBtn.style.display = 'none';
  }

  // IMDb search shortcut.
  document.getElementById('pm-imdb').href =
    `https://www.imdb.com/find/?q=${encodeURIComponent(p.title)}&s=tt`;

  document.getElementById('programModal').classList.add('visible');
}

function closeProgramModal() {
  document.getElementById('programModal').classList.remove('visible');
}

// Close when the overlay itself is clicked.
document.addEventListener('click', e => {
  const modal = document.getElementById('programModal');
  if (e.target === modal) closeProgramModal();
});

// Close on Escape.
document.addEventListener('keydown', e => {
  if (e.key === 'Escape') closeProgramModal();
});