<?php
require_once __DIR__ . '/includes/db.php';
require_once __DIR__ . '/includes/layout.php';

// Determine which video to play
$slug = public_video_slug_from_request();
if (url_rewrite_enabled() && $slug !== '' && isset($_GET['v']) && ((public_route_segments()[0] ?? '') !== 'v')) {
    $target = public_video_url($slug);
    $redirect_page = max(1, (int)($_GET['page'] ?? 1));
    if ($redirect_page > 1) $target = media_append_query($target, ['page' => (string)$redirect_page]);
    header('Location: ' . $target, true, 302);
    exit;
}
$video  = $slug ? get_video_by_slug($slug) : null;

// Latest video as default if none specified
if (!$video) {
    $db = get_db();
    $latest = $db->query("SELECT slug FROM videos WHERE published=1 ORDER BY sort_order ASC, id DESC LIMIT 1")->fetch();
    if ($latest) $video = get_video_by_slug($latest['slug']);
}

if ($video) {
    $video['view_count'] = increment_video_view_count((int)$video['id']);
}

$show_video_views = setting_bool('public_show_video_views', true);
$show_total_views = setting_bool('public_show_total_views', true);
$show_page_stats  = setting_bool('public_show_page_stats', true);
$total_public_views = total_video_views(true);
$public_stats = $show_page_stats ? public_page_stats() : [
    'videos' => 0,
    'sources' => 0,
    'views' => $total_public_views,
];

$per_page = (int)setting('catalogue_per_page', '10');
$page     = max(1, (int)($_GET['page'] ?? 1));
$paged    = get_videos_paginated($page, $per_page);

$player_sources = [];
if ($video && !empty($video['sources'])) {
    foreach ($video['sources'] as $source) {
        $player_source = source_player_data($source, public_media_url());
        if ($player_source) $player_sources[] = $player_source;
    }
}
$primary_player_source = $player_sources[0] ?? null;
$native_player_sources = [];
foreach ($player_sources as $player_source) {
    if (($player_source['kind'] ?? '') !== 'iframe') $native_player_sources[] = $player_source;
}

render_head('Media — TyClifford.com', '
  /* ── Catalogue grid ── */
  .cat-section { display:flex; flex-direction:column; gap:1rem; }
  .cat-header  { display:flex; align-items:center; justify-content:space-between; gap:1rem; flex-wrap:wrap; }
  .cat-search { display:flex; gap:.5rem; flex:1; min-width:240px; max-width:430px; }
  .cat-search input { flex:1; min-width:0; }
  @media(max-width:560px) { .cat-search { min-width:100%; max-width:none; } }
  .cat-grid {
    display:grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap:.85rem;
  }
  @media(min-width:600px)  { .cat-grid { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); } }
  @media(min-width:1000px) { .cat-grid { grid-template-columns: repeat(5, 1fr); } }

  .cat-thumb {
    background:var(--surface-2);
    border:1px solid var(--border);
    border-radius:calc(var(--r)+2px);
    overflow:hidden;
    text-decoration:none;
    color:var(--text);
    display:flex; flex-direction:column;
    transition:border-color .2s, transform .15s, box-shadow .2s;
    position:relative;
    cursor:pointer;
  }
  .cat-thumb:hover { border-color:var(--purple); transform:translateY(-2px); box-shadow:0 6px 24px rgba(176,96,255,.18); }
  .cat-thumb.active { border-color:var(--green); box-shadow:0 0 0 1px var(--green), 0 4px 20px rgba(0,232,122,.2); }
  .cat-thumb-img {
    position:relative; width:100%; padding-top:56.25%; background:#000;
    overflow:hidden;
  }
  .cat-thumb-img img {
    position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
    transition:transform .3s;
  }
  .cat-thumb:hover .cat-thumb-img img { transform:scale(1.04); }
  .cat-thumb-img .no-thumb {
    position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
    font-family:"Share Tech Mono",monospace; font-size:.6rem; color:var(--text-3); letter-spacing:.1em;
    background:var(--surface);
  }
  .cat-thumb-dur {
    position:absolute; bottom:4px; right:6px;
    background:rgba(0,0,0,.75); backdrop-filter:blur(4px);
    font-family:"Share Tech Mono",monospace; font-size:.55rem; letter-spacing:.05em;
    color:#fff; padding:.15em .45em; border-radius:3px;
  }
  .play-overlay {
    position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
    background:rgba(0,0,0,.35); opacity:0; transition:opacity .2s;
  }
  .cat-thumb:hover .play-overlay { opacity:1; }
  .play-overlay svg { filter:drop-shadow(0 2px 8px rgba(0,0,0,.5)); }
  .cat-thumb-body { padding:.55rem .65rem; display:flex; flex-direction:column; gap:.2rem; flex:1; }
  .cat-thumb-title { font-size:.78rem; font-weight:600; color:var(--text); line-height:1.35; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
  .cat-thumb-meta  { font-family:"Share Tech Mono",monospace; font-size:.58rem; color:var(--text-3); letter-spacing:.06em; margin-top:auto; padding-top:.35rem; }
  .cat-active-indicator {
    position:absolute; top:0; left:0; right:0; height:2px;
    background:var(--green); opacity:0; transition:opacity .2s;
  }
  .cat-thumb.active .cat-active-indicator { opacity:1; }

  /* ── Video.js custom skin ── */
  .video-js {
    width:100% !important;
    height:100% !important;
    position:absolute !important;
    inset:0 !important;
  }
  .video-js .vjs-big-play-button {
    background:rgba(176,96,255,.75) !important;
    border:2px solid rgba(176,96,255,.9) !important;
    border-radius:50% !important;
    width:64px !important; height:64px !important;
    top:50% !important; left:50% !important;
    transform:translate(-50%,-50%) !important;
    margin:0 !important;
    line-height:64px !important;
    transition:background .2s !important;
  }
  .video-js:hover .vjs-big-play-button { background:rgba(176,96,255,.95) !important; }
  .video-js .vjs-control-bar {
    background:linear-gradient(transparent,rgba(0,0,0,.85)) !important;
    height:3.2em !important;
  }
  .video-js .vjs-play-progress { background:var(--green) !important; }
  .video-js .vjs-volume-level  { background:var(--green) !important; }
  .video-js .vjs-slider        { background:rgba(255,255,255,.15) !important; }
  .video-js .vjs-load-progress { background:rgba(255,255,255,.1) !important; }
  .video-js .vjs-current-time,
  .video-js .vjs-duration,
  .video-js .vjs-time-divider  { color:rgba(255,255,255,.8) !important; font-size:.7em !important; }
  .provider-embed-frame {
    position:absolute; inset:0;
    display:block; width:100%; height:100%;
    border:0; background:#000;
  }

  /* ── Lower grid ── */
  .lower-grid { display:grid; grid-template-columns:1fr; gap:1rem; }
  @media(min-width:640px)  { .lower-grid { grid-template-columns:1fr 1fr; } }
  @media(min-width:900px)  { .lower-grid { grid-template-columns:2fr 1fr 1fr; } }
  .card-about  { background:var(--surface-2); }
  .card-social { background:var(--surface-2); }
  .stats-list { list-style:none; display:flex; flex-direction:column; gap:.65rem; }
  .stats-list li {
    display:flex; align-items:center; justify-content:space-between; gap:1rem;
    border-bottom:1px solid var(--border-2); padding-bottom:.55rem;
  }
  .stats-list li:last-child { border-bottom:0; padding-bottom:0; }
  .stats-label { font-family:"Share Tech Mono",monospace; font-size:.62rem; letter-spacing:.12em; text-transform:uppercase; color:var(--text-3); }
  .stats-value { font-family:"Share Tech Mono",monospace; font-size:.88rem; color:var(--text); }
  .social-list { list-style:none; display:flex; flex-direction:column; gap:.5rem; }
  .social-list a {
    display:flex; align-items:center; gap:.65rem;
    padding:.6rem .8rem; border:1px solid var(--border-2); border-radius:var(--r);
    font-family:"Share Tech Mono",monospace; font-size:.78rem; color:var(--text-2);
    text-decoration:none; transition:border-color .2s, color .2s, background .2s;
  }
  .social-list a:hover { border-color:var(--green); color:var(--text); background:rgba(0,232,122,.04); }
  .social-list a svg { flex-shrink:0; color:var(--text-3); transition:color .2s; }
  .social-list a:hover svg { color:var(--green); }

  /* empty state */
  .empty-state {
    padding:3rem 1rem; text-align:center; display:flex; flex-direction:column;
    align-items:center; gap:1rem;
  }
  .empty-state svg { color:var(--text-3); opacity:.4; }
  .empty-state p { font-family:"Share Tech Mono",monospace; font-size:.75rem; color:var(--text-3); letter-spacing:.1em; }

  /* no-video placeholder */
  .no-video { display:flex; flex-direction:column; align-items:center; justify-content:center; gap:.75rem; }
  .no-video p { font-family:"Share Tech Mono",monospace; font-size:.7rem; color:var(--text-3); letter-spacing:.1em; }

  /* pagination row */
  .cat-footer { display:flex; align-items:center; justify-content:space-between; gap:1rem; flex-wrap:wrap; }
  .cat-count   { font-family:"Share Tech Mono",monospace; font-size:.65rem; color:var(--text-3); letter-spacing:.06em; }

  /* ── Embed panel ── */
  .embed-panel {
    border-top:1px solid var(--border);
    overflow:hidden;
    max-height:0;
    transition:max-height .35s cubic-bezier(.4,0,.2,1), padding .35s;
    padding:0 1.1rem;
  }
  .embed-panel.open { max-height:320px; padding:.9rem 1.1rem; }
  .embed-panel-inner { display:flex; flex-direction:column; gap:.75rem; }
  .embed-label { font-family:"Share Tech Mono",monospace; font-size:.6rem; letter-spacing:.14em; text-transform:uppercase; color:var(--text-3); }
  .embed-code-wrap { position:relative; }
  .embed-code {
    display:block; width:100%;
    background:var(--surface-2); border:1px solid var(--border-2); border-radius:var(--r);
    padding:.65rem .85rem; padding-right:5.5rem;
    font-family:"Share Tech Mono",monospace; font-size:.68rem; color:var(--text-2);
    white-space:nowrap; overflow-x:auto; line-height:1.6;
    resize:none; cursor:text;
    scrollbar-width:thin;
  }
  .embed-copy-btn {
    position:absolute; right:.4rem; top:50%; transform:translateY(-50%);
    padding:.32rem .7rem; font-size:.65rem; font-weight:600;
    background:rgba(176,96,255,.15); color:var(--purple);
    border:1px solid rgba(176,96,255,.35); border-radius:calc(var(--r) - 1px);
    cursor:pointer; font-family:"Share Tech Mono",monospace; letter-spacing:.06em;
    transition:background .2s, color .2s;
    white-space:nowrap;
  }
  .embed-copy-btn:hover  { background:rgba(176,96,255,.28); }
  .embed-copy-btn.copied { background:rgba(0,232,122,.15); color:var(--green); border-color:rgba(0,232,122,.35); }
  .embed-row { display:flex; gap:.6rem; align-items:center; flex-wrap:wrap; }
  .embed-direct-link {
    font-family:"Share Tech Mono",monospace; font-size:.65rem; color:var(--text-3);
    text-decoration:none; border-bottom:1px solid rgba(255,255,255,.1);
    transition:color .15s, border-color .15s;
  }
  .embed-direct-link:hover { color:var(--green); border-color:rgba(0,232,122,.4); }
  .embed-preview-link {
    font-family:"Share Tech Mono",monospace; font-size:.65rem; color:var(--purple);
    text-decoration:none; border-bottom:1px solid rgba(176,96,255,.2);
    transition:color .15s;
  }
  .embed-preview-link:hover { color:#c880ff; }
  .embed-toggle-btn {
    display:inline-flex; align-items:center; gap:.4rem;
    font-family:"Share Tech Mono",monospace; font-size:.65rem; letter-spacing:.08em;
    color:var(--text-3); background:transparent; border:1px solid var(--border-2);
    border-radius:var(--r); padding:.35rem .7rem; cursor:pointer;
    transition:color .2s, border-color .2s, background .2s;
  }
  .embed-toggle-btn:hover { color:var(--text-2); border-color:var(--purple); background:rgba(176,96,255,.07); }
  .embed-toggle-btn.active { color:var(--purple); border-color:var(--purple); background:rgba(176,96,255,.1); }
');
?>
<main class="page" role="main">

<?php render_topbar('home'); ?>

<!-- ═══════════════════════════ PLAYER CARD ════════════════════════════════ -->
<section class="stream-card" aria-label="Media player">
  <div class="stream-ratio">
    <?php if ($primary_player_source && ($primary_player_source['kind'] ?? '') === 'iframe'): ?>
      <iframe class="provider-embed-frame"
              src="<?= h($primary_player_source['embed']) ?>"
              title="<?= h($video['title']) ?>"
              allow="accelerometer; autoplay; clipboard-write; encrypted-media; fullscreen; gyroscope; picture-in-picture; web-share"
              allowfullscreen
              referrerpolicy="no-referrer-when-downgrade"></iframe>
    <?php elseif ($video && !empty($native_player_sources)): ?>
      <video id="main-player"
             class="video-js vjs-default-skin vjs-big-play-centered"
             controls preload="metadata"
             <?php if ($video['thumbnail']): ?>
               poster="<?= h(public_media_url($video['thumbnail'])) ?>"
             <?php endif; ?>
             data-setup='{"fluid":false,"responsive":true,"playbackRates":[0.5,1,1.25,1.5,2]}'>
        <?php foreach ($native_player_sources as $src): ?>
          <source src="<?= h($src['url']) ?>" type="<?= h($src['mime']) ?>" label="<?= h($src['label']) ?>">
        <?php endforeach; ?>
        <p class="vjs-no-js">Your browser does not support HTML video.</p>
      </video>
    <?php else: ?>
      <div class="no-video">
        <svg width="48" height="48" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" opacity=".25"><rect x="2" y="3" width="20" height="14" rx="2"/><line x1="8" y1="21" x2="16" y2="21"/><line x1="12" y1="17" x2="12" y2="21"/></svg>
        <p>no video selected</p>
      </div>
    <?php endif; ?>
  </div>

  <div class="stream-footer">
    <p class="eyebrow eyebrow-green"><?= $video ? h($video['title']) : 'Media Player' ?></p>
    <?php if ($video && $video['description']): ?>
      <p class="stream-meta" style="font-family:Inter,sans-serif;font-size:.78rem;color:var(--text-2);letter-spacing:0;max-width:60ch;line-height:1.5"><?= h($video['description']) ?></p>
    <?php endif; ?>
    <?php
      $stream_meta = [];
      if ($video && $video['duration']) $stream_meta[] = format_duration((int)$video['duration']);
      if ($video && $show_video_views) $stream_meta[] = view_count_label(video_total_views($video));
    ?>
    <?php if ($stream_meta): ?>
      <p class="stream-meta"><span><?= h(implode(' · ', $stream_meta)) ?></span></p>
    <?php endif; ?>
    <?php if ($video): ?>
      <button class="embed-toggle-btn" id="embed-toggle" aria-expanded="false" aria-controls="embed-panel">
        <svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><polyline points="16 18 22 12 16 6"/><polyline points="8 6 2 12 8 18"/></svg>
        Embed
      </button>
    <?php endif; ?>
  </div>

  <?php if ($video):
    $embed_url   = public_absolute_url('embed.php?v=' . rawurlencode($video['slug']));
    $iframe_code = '<iframe src="' . $embed_url . '" width="560" height="315" frameborder="0" allowfullscreen allow="fullscreen"></iframe>';
  ?>
  <div class="embed-panel" id="embed-panel" role="region" aria-label="Embed code">
    <div class="embed-panel-inner">
      <div class="form-group" style="gap:.35rem;">
        <span class="embed-label">iframe embed code</span>
        <div class="embed-code-wrap">
          <code class="embed-code" id="embed-code-iframe"><?= h($iframe_code) ?></code>
          <button class="embed-copy-btn" data-target="embed-code-iframe" onclick="copyEmbed(this)">Copy</button>
        </div>
      </div>
      <div class="embed-row">
        <span class="embed-label">Direct player URL —</span>
        <a class="embed-direct-link" href="<?= h($embed_url) ?>" target="_blank" rel="noopener">
          <?= h($embed_url) ?>
        </a>
        <a class="embed-preview-link" href="<?= h($embed_url) ?>" target="_blank" rel="noopener">
          ↗ Preview
        </a>
      </div>
      <div>
        <span class="embed-label" style="color:var(--text-3);font-size:.58rem;">
          Recommended: width="560" height="315" — any 16:9 size works. Add style="border:0;border-radius:6px" for no border.
        </span>
      </div>
    </div>
  </div>
  <?php endif; ?>
</section>

<!-- ═══════════════════════════ VIDEO CATALOGUE ═══════════════════════════ -->
<section class="cat-section">
  <div class="cat-header">
    <p class="eyebrow eyebrow-purple">Video Catalogue</p>
    <?php if ($show_total_views): ?>
      <span class="cat-count"><?= h(view_count_label($total_public_views)) ?> total</span>
    <?php endif; ?>
    <form class="cat-search" method="get" action="<?= h(public_catalogue_url()) ?>" role="search">
      <input class="form-input" type="search" name="q" placeholder="Search public videos…">
      <button class="btn btn-secondary btn-sm" type="submit">
        <svg width="13" height="13" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><circle cx="11" cy="11" r="8"/><line x1="21" y1="21" x2="16.65" y2="16.65"/></svg>
        Search
      </button>
    </form>
    <a href="<?= h(public_catalogue_url()) ?>" class="btn btn-secondary btn-sm">Browse all →</a>
  </div>

  <?php if (empty($paged['videos'])): ?>
    <div class="card">
      <div class="empty-state">
        <svg width="40" height="40" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5"><path d="M14 2H6a2 2 0 00-2 2v16a2 2 0 002 2h12a2 2 0 002-2V8z"/><polyline points="14,2 14,8 20,8"/></svg>
        <p>no videos yet</p>
      </div>
    </div>
  <?php else: ?>
    <div class="cat-grid">
      <?php foreach ($paged['videos'] as $v):
        $active  = $video && $video['id'] == $v['id'];
        $vslug   = $v['slug'];
        $vtitle  = $v['title'];
        $vthumb  = $v['thumbnail'];
        $vdur    = (int)$v['duration'];
        $created = substr($v['created_at'], 0, 10);
        $meta_parts = [$created];
        if ($show_video_views) $meta_parts[] = view_count_label(video_total_views($v));
        ?>
        <a class="cat-thumb <?= $active ? 'active' : '' ?>"
           href="<?= h(public_video_url($vslug)) ?>"
           title="<?= h($vtitle) ?>">
          <div class="cat-active-indicator"></div>
          <div class="cat-thumb-img">
            <?php if ($vthumb): ?>
              <img src="<?= h(public_media_url($vthumb)) ?>" alt="<?= h($vtitle) ?>" loading="lazy">
            <?php else: ?>
              <div class="no-thumb">NO THUMB</div>
            <?php endif; ?>
            <?php if ($vdur): ?>
              <span class="cat-thumb-dur"><?= format_duration($vdur) ?></span>
            <?php endif; ?>
            <div class="play-overlay">
              <svg width="28" height="28" viewBox="0 0 24 24" fill="white"><circle cx="12" cy="12" r="12" fill="rgba(0,0,0,.4)"/><polygon points="10,8 18,12 10,16" fill="white"/></svg>
            </div>
          </div>
          <div class="cat-thumb-body">
            <span class="cat-thumb-title"><?= h($vtitle) ?></span>
            <span class="cat-thumb-meta"><?= h(implode(' · ', $meta_parts)) ?></span>
          </div>
        </a>
      <?php endforeach; ?>
    </div>

    <?php if ($paged['total_pages'] > 1): ?>
      <div class="cat-footer">
        <span class="cat-count">
          <?= $paged['total'] ?> video<?= $paged['total'] != 1 ? 's' : '' ?>
          · page <?= $paged['page'] ?> of <?= $paged['total_pages'] ?>
        </span>
        <?php
          render_pagination($paged['page'], $paged['total_pages'], public_player_page_url_pattern($video['slug'] ?? ''));
        ?>
      </div>
    <?php endif; ?>
  <?php endif; ?>
</section>

<!-- ═══════════════════════════ LOWER GRID ════════════════════════════════ -->
<div class="lower-grid">

  <div class="card card-about">
    <p class="eyebrow eyebrow-green" style="margin-bottom:.1rem">About</p>
    <h2 class="card-title">Ty Clifford</h2>
    <p class="card-body">
      Based in <strong>Keyser, West Virginia</strong>. Nerd, tinkerer, and creator.
      Hobbies are my hobby — from tech and podcasting to whatever rabbit hole I fell into this week.
    </p>
  </div>

  <div class="card card-social">
    <p class="eyebrow eyebrow-green" style="margin-bottom:.1rem">Links</p>
    <h2 class="card-title">Places</h2>
    <ul class="social-list" aria-label="Social media links">
      <li>
        <a href="mailto:ty@tyclifford.com">
          <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><rect x="2" y="4" width="20" height="16" rx="2"/><polyline points="2,4 12,13 22,4"/></svg>
          ty@tyclifford.com
        </a>
      </li>
      <li>
        <a href="https://go.tyclifford.com/patreon" target="_blank" rel="noopener">
          <svg width="14" height="14" viewBox="0 0 12 14" fill="currentColor"><ellipse cx="7.5" cy="4.8" rx="4.5" ry="4.5"/><rect x="0" y="0" width="2.8" height="14" rx="1.2"/></svg>
          patreon.com/tyclifford
        </a>
      </li>
    </ul>
  </div>

  <?php if ($show_page_stats): ?>
    <div class="card card-social">
      <p class="eyebrow eyebrow-green" style="margin-bottom:.1rem">Stats</p>
      <h2 class="card-title">Public Library</h2>
      <ul class="stats-list" aria-label="Public library statistics">
        <li>
          <span class="stats-label">Videos</span>
          <strong class="stats-value"><?= h(format_count((int)$public_stats['videos'])) ?></strong>
        </li>
        <?php if ($show_total_views): ?>
          <li>
            <span class="stats-label">Total Views</span>
            <strong class="stats-value"><?= h(format_count((int)$public_stats['views'])) ?></strong>
          </li>
        <?php endif; ?>
        <li>
          <span class="stats-label">Sources</span>
          <strong class="stats-value"><?= h(format_count((int)$public_stats['sources'])) ?></strong>
        </li>
      </ul>
    </div>
  <?php endif; ?>

</div>

<?php render_footer(); ?>
</main>

<script>
// Init Video.js if player exists
document.addEventListener('DOMContentLoaded', function() {
  var el = document.getElementById('main-player');
  if (el) {
    var player = videojs('main-player', {
      controls: true,
      autoplay: false,
      preload: 'metadata',
      fluid: false,
      responsive: true,
      playbackRates: [0.5, 1, 1.25, 1.5, 2],
      controlBar: {
        children: [
          'playToggle','volumePanel','currentTimeDisplay',
          'timeDivider','durationDisplay','progressControl',
          'playbackRateMenuButton','fullscreenToggle'
        ]
      }
    });
  }

  // Embed panel toggle
  var toggleBtn = document.getElementById('embed-toggle');
  var panel     = document.getElementById('embed-panel');
  if (toggleBtn && panel) {
    toggleBtn.addEventListener('click', function() {
      var open = panel.classList.toggle('open');
      toggleBtn.classList.toggle('active', open);
      toggleBtn.setAttribute('aria-expanded', open ? 'true' : 'false');
    });
  }
});

// Copy embed code to clipboard
function copyEmbed(btn) {
  var targetId = btn.getAttribute('data-target');
  var el = document.getElementById(targetId);
  if (!el) return;
  var text = el.textContent || el.innerText;
  navigator.clipboard.writeText(text).then(function() {
    btn.textContent = 'Copied!';
    btn.classList.add('copied');
    setTimeout(function() {
      btn.textContent = 'Copy';
      btn.classList.remove('copied');
    }, 2000);
  }).catch(function() {
    // Fallback for older browsers
    var ta = document.createElement('textarea');
    ta.value = text;
    ta.style.position = 'fixed';
    ta.style.opacity = '0';
    document.body.appendChild(ta);
    ta.select();
    document.execCommand('copy');
    document.body.removeChild(ta);
    btn.textContent = 'Copied!';
    btn.classList.add('copied');
    setTimeout(function() {
      btn.textContent = 'Copy';
      btn.classList.remove('copied');
    }, 2000);
  });
}
</script>
</body>
</html>