<section class="ccb-cpy" aria-label="Copy to clipboard code block demo">
  <div class="ccb-cpy__block">
    <div class="ccb-cpy__bar">install <span class="ccb-cpy__badge">bash</span></div>
    <button class="ccb-cpy__copy" type="button" data-ccb-cpy="btn" aria-label="Copy code to clipboard">
      <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" aria-hidden="true">
        <rect x="9" y="9" width="11" height="11" rx="2"/>
        <path d="M5 15V5a2 2 0 0 1 2-2h10"/>
      </svg>
      <span data-ccb-cpy="txt">Copy</span>
    </button>
    <pre class="ccb-cpy__pre" data-ccb-cpy="code"><code><span class="ccb-cpy__c"># add the codefronts CLI</span>
<span class="ccb-cpy__f">npm</span> install -g <span class="ccb-cpy__s">@codefronts/cli</span>
<span class="ccb-cpy__f">codefronts</span> init --template <span class="ccb-cpy__s">"snippet"</span>
<span class="ccb-cpy__f">codefronts</span> build <span class="ccb-cpy__k">&amp;&amp;</span> codefronts deploy</code></pre>
  </div>
</section>

/* ─── 03 Code Block with Copy to Clipboard Button ──────── */
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=Space+Grotesk:wght@400;600;700&display=swap');

.ccb-cpy {
  --ccb-cpy-bg: #10131a;
  --ccb-cpy-panel: #171b24;
  --ccb-cpy-ink: #e7ecf3;
  --ccb-cpy-muted: #7b8494;
  --ccb-cpy-accent: #5eead4;
  --ccb-cpy-accent-2: #2dd4bf;

  width: 100%;
  min-height: 320px;
  display: flex; align-items: center; justify-content: center;
  background:
    radial-gradient(800px 460px at 110% 0%, rgba(45,212,191,.12), transparent 55%),
    var(--ccb-cpy-bg);
  color: var(--ccb-cpy-ink);
  font-family: 'Space Grotesk', sans-serif;
  padding: 36px 24px;
  box-sizing: border-box;
}
.ccb-cpy *, .ccb-cpy *::before, .ccb-cpy *::after { box-sizing: border-box; }

.ccb-cpy__block {
  position: relative;
  width: 100%; max-width: 600px;
  background: var(--ccb-cpy-panel);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 14px;
  box-shadow: 0 24px 60px -28px rgba(0,0,0,.8);
}
.ccb-cpy__bar {
  display: flex; align-items: center;
  padding: 12px 18px;
  border-bottom: 1px solid rgba(255,255,255,.05);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12.5px; color: var(--ccb-cpy-muted);
  letter-spacing: .05em;
}
.ccb-cpy__badge {
  margin-left: auto;
  color: var(--ccb-cpy-accent);
  border: 1px solid rgba(94,234,212,.3);
  padding: 3px 10px; border-radius: 999px; font-size: 11px;
}
.ccb-cpy__copy {
  position: absolute; top: 50px; right: 16px;
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 14px; border-radius: 9px;
  background: rgba(45,212,191,.12);
  color: var(--ccb-cpy-accent);
  border: 1px solid rgba(94,234,212,.28);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px; cursor: pointer;
  opacity: 0; transform: translateY(-4px);
  transition: opacity .25s ease, transform .25s ease, background .2s;
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.ccb-cpy__block:hover .ccb-cpy__copy,
.ccb-cpy__copy:focus-visible              { opacity: 1; transform: translateY(0); }
.ccb-cpy__copy:hover                      { background: rgba(45,212,191,.22); }
.ccb-cpy__copy:focus-visible              { outline: 2px solid var(--ccb-cpy-accent); outline-offset: 3px; }
.ccb-cpy__copy.is-done                    { background: var(--ccb-cpy-accent-2); color: #06231e; border-color: var(--ccb-cpy-accent-2); }
.ccb-cpy__copy svg                        { width: 14px; height: 14px; }
.ccb-cpy__pre {
  margin: 0; padding: 22px 22px 24px;
  position: relative;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13.5px; line-height: 1.85;
  overflow-x: auto; color: #cdd6e3;
}
.ccb-cpy__k { color: #c792ea; }
.ccb-cpy__f { color: #82aaff; }
.ccb-cpy__s { color: #c3e88d; }
.ccb-cpy__c { color: #546178; font-style: italic; }
.ccb-cpy__pre::-webkit-scrollbar       { height: 8px; }
.ccb-cpy__pre::-webkit-scrollbar-thumb { background: #2a2f3a; border-radius: 8px; }

@media (prefers-reduced-motion: reduce) {
  .ccb-cpy__copy { transition: none; }
}

(() => {
  const root = document.querySelector('.ccb-cpy');
  if (!root) return;
  const btn  = root.querySelector('[data-ccb-cpy="btn"]');
  const txt  = root.querySelector('[data-ccb-cpy="txt"]');
  const code = root.querySelector('[data-ccb-cpy="code"]');
  if (!btn || !txt || !code) return;
  btn.addEventListener('click', async () => {
    const raw = code.innerText;
    try { await navigator.clipboard.writeText(raw); } catch (e) { /* permission denied */ }
    btn.classList.add('is-done');
    txt.textContent = 'Copied!';
    setTimeout(() => {
      btn.classList.remove('is-done');
      txt.textContent = 'Copy';
    }, 1600);
  });
})();