.copy-content,
.anchor-copy,
.share-button {
  --cc-size:           30px;
  --cc-radius:         6px;
  --cc-bg:             rgba(20, 20, 20, 0.85);
  --cc-bg-hover:       rgba(20, 20, 20, 0.95);
  --cc-fg:             #ffffff;
  --cc-fg-flash:       #4ade80;
  --cc-duration:       0.15s;
  --cc-idle-opacity:   0.35;
  --cc-offset-x:       8px;
  --cc-offset-y:       8px;
}

.sharing-btn {
  position: absolute;

  top:    var(--cc-corner-top,    var(--cc-offset-y, 8px));
  right:  var(--cc-corner-right,  var(--cc-offset-x, 8px));
  bottom: var(--cc-corner-bottom, auto);
  left:   var(--cc-corner-left,   auto);

  width: var(--cc-size, 30px);
  height: var(--cc-size, 30px);
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;

  border: none;
  border-radius: var(--cc-radius, 6px);
  background: var(--cc-bg, rgba(20, 20, 20, 0.85));
  color: var(--cc-fg, #ffffff);
  cursor: var(--cursor-pointer, pointer);

  opacity: var(--cc-idle-opacity, 0.35);
  transition: opacity var(--cc-duration, 0.15s) ease,
              background-color var(--cc-duration, 0.15s) ease,
              color var(--cc-duration, 0.15s) ease;

  z-index: 2;
}

.copy-content:hover > .sharing-btn,
.copy-content:focus-within > .sharing-btn,
.anchor-copy:hover > .sharing-btn,
.anchor-copy:focus-within > .sharing-btn,
.share-button:hover > .sharing-btn,
.share-button:focus-within > .sharing-btn,
.sharing-btn:focus-visible {
  opacity: 1;
}

.sharing-btn:hover {
  background: var(--cc-bg-hover, rgba(20, 20, 20, 0.95));
}

.sharing-btn.is-flashed {
  color: var(--cc-fg-flash, #4ade80);
  opacity: 1;
}

.sharing-btn svg { display: block; }

.in-editor .sharing-btn {
  opacity: 1;
  outline: 1px dashed rgba(0, 122, 204, 0.5);
  outline-offset: -1px;
}

.sharing-btn--floating {
  position: fixed;
  top: 0;
  left: 0;
  right: auto;
  bottom: auto;
  z-index: 9999;

  opacity: 1;
}

.share-button.is-share-flashed {
  background-color: var(--share-flash, #4ade80) !important;
  color: #0a0a0a !important;
  border-color: var(--share-flash, #4ade80) !important;
  transition: background-color 0.15s ease, color 0.15s ease,
              border-color 0.15s ease;
}

@media (prefers-reduced-motion: reduce) {
  .sharing-btn,
  .share-button.is-share-flashed { transition: none; }
}