PixelPilot: Instructions file for GitHub Copilot

UI/UX Copy to Clipboard

Copy text to clipboard with visual feedback. Uses Clipboard API with graceful fallback.

---

OVERVIEW

This skill covers:

1. Clipboard API implementation
2. execCommand fallback for older browsers
3. Visual feedback (tooltip, icon change)
4. Token-aware button styling
5. Accessibility announcements

---

HTML STRUCTURE

Basic Copy Button

<button 
  class="copy-btn"
  data-copy="https://example.com/share/abc123"
  aria-label="Copy link to clipboard"
>
  <i data-lucide="copy" class="copy-btn__icon"></i>
  <span class="copy-btn__text">Copy Link</span>
</button>

<!-- Screen reader announcement -->
<div id="copy-status" role="status" aria-live="polite" class="sr-only"></div>

Copy with Input Field

<div class="copy-field">
  <input 
    type="text" 
    class="copy-field__input" 
    value="https://example.com/share/abc123"
    readonly
    aria-label="Shareable link"
  >
  <button 
    class="copy-field__btn"
    aria-label="Copy to clipboard"
  >
    <i data-lucide="copy"></i>
  </button>
</div>

Code Block with Copy

<div class="code-block">
  <div class="code-block__header">
    <span class="code-block__lang">JavaScript</span>
    <button class="code-block__copy" aria-label="Copy code">
      <i data-lucide="copy"></i>
      <span>Copy</span>
    </button>
  </div>
  <pre class="code-block__content"><code>const greeting = "Hello, World!";</code></pre>
</div>

---

CSS STYLES

/* Basic copy button */
.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: background var(--dur-micro), border-color var(--dur-micro);
}

.copy-btn:hover {
  background: var(--bg-hover);
  border-color: var(--border-hover);
}

.copy-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.copy-btn__icon {
  width: 16px;
  height: 16px;
  transition: transform var(--dur-micro);
}

/* Success state */
.copy-btn--success {
  background: var(--color-success-soft);
  border-color: var(--color-success);
  color: var(--color-success);
}

.copy-btn--success .copy-btn__icon {
  transform: scale(1.1);
}

/* Copy with input field */
.copy-field {
  display: flex;
  max-width: 400px;
}

.copy-field__input {
  flex: 1;
  padding: var(--space-3);
  border: 1px solid var(--border);
  border-right: none;
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  background: var(--surface);
  color: var(--text);
  font-size: var(--text-sm);
  font-family: var(--font-mono);
}

.copy-field__input:focus {
  outline: none;
  border-color: var(--accent);
}

.copy-field__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-4);
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: white;
  cursor: pointer;
  transition: background var(--dur-micro);
}

.copy-field__btn:hover {
  background: var(--accent-hover);
}

.copy-field__btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.copy-field__btn svg {
  width: 18px;
  height: 18px;
}

/* Success state for field button */
.copy-field__btn--success {
  background: var(--color-success);
  border-color: var(--color-success);
}

/* Code block */
.code-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.code-block__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.code-block__lang {
  font-size: var(--text-xs);
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.code-block__copy {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-size: var(--text-xs);
  cursor: pointer;
  transition: color var(--dur-micro), background var(--dur-micro);
}

.code-block__copy:hover {
  color: var(--text);
  background: var(--bg-hover);
}

.code-block__copy svg {
  width: 14px;
  height: 14px;
}

.code-block__copy--success {
  color: var(--color-success);
}

.code-block__content {
  padding: var(--space-4);
  margin: 0;
  overflow-x: auto;
}

.code-block__content code {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.6;
}

/* Tooltip feedback */
.copy-btn[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-1) var(--space-2);
  background: var(--text);
  color: var(--bg);
  font-size: var(--text-xs);
  white-space: nowrap;
  border-radius: var(--radius-sm);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-micro);
}

.copy-btn[data-tooltip].show-tooltip::after {
  opacity: 1;
}