.code-block-wrapper {
  position: relative;
}

.copy-code-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 6px;
  color: #cdd9e5;
  font-size: 0.72rem;
  font-weight: 600;
  font-family: 'Open Sans', sans-serif;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s, background 0.15s, color 0.15s;
  backdrop-filter: blur(4px);
  letter-spacing: 0.02em;
}

.code-block-wrapper:hover .copy-code-btn {
  opacity: 1;
}

.copy-code-btn:hover {
  background: rgba(255,255,255,0.16);
  color: #fff;
}

.copy-code-btn.copied {
  opacity: 1;
  background: rgba(0, 200, 120, 0.25);
  border-color: rgba(0, 200, 120, 0.5);
  color: #4ade80;
}

.copy-code-btn svg {
  flex-shrink: 0;
  transition: transform 0.15s;
}

.copy-code-btn.copied svg {
  transform: scale(1.15);
}