.tgcsl-popover {
  position: absolute;
  z-index: 10000;
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 12px;
  box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.12), 0 5px 15px -8px rgba(0, 0, 0, 0.08);
  padding: 0;
  opacity: 0;
  pointer-events: none;
  transform: translateY(4px);
  transition: opacity 0.2s cubic-bezier(0.16, 1, 0.3, 1), transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.7;
  color: #333333;
}

.tgcsl-popover--visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.tgcsl-popover__header {
  padding: 10px 14px 8px 18px;
  font-weight: 700;
  font-size: 15px;
  color: #111111;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.tgcsl-popover__copy-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  color: #888888;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.1s ease;
  outline: none;
}

.tgcsl-popover__copy-btn:hover {
  background-color: #f3f4f6;
  color: #1f2937;
}

.tgcsl-popover__copy-btn:active {
  transform: scale(0.95);
}

.tgcsl-popover__copy-btn--success {
  background-color: #f0fdf4;
}

.tgcsl-popover__copy-btn svg {
  display: block;
}

.tgcsl-popover__body {
  padding: 12px 18px 14px;
  max-height: 220px;
  overflow-y: auto;
}

/* 经文单节布局 */
.tgcsl-popover__verse {
  display: block;
  margin-bottom: 8px;
}

.tgcsl-popover__verse:last-child {
  margin-bottom: 0;
}

.tgcsl-popover__verse sup {
  color: #dd5b56;
  font-weight: 600;
  font-size: 0.75em;
  margin-right: 4px;
  top: -0.2em;
}

.tgcsl-popover__footer {
  padding: 6px 18px 10px;
  text-align: right;
  border-top: 1px solid rgba(0, 0, 0, 0.03);
}

.tgcsl-popover__source {
  font-size: 11px;
  color: #999999;
  letter-spacing: 0.5px;
  text-decoration: none;
  transition: color 0.2s ease;
}

.tgcsl-popover__source:hover {
  color: #dd5b56;
  text-decoration: underline;
}

/* 滚动条优化 */
.tgcsl-popover__body::-webkit-scrollbar {
  width: 6px;
}

.tgcsl-popover__body::-webkit-scrollbar-track {
  background: transparent;
}

.tgcsl-popover__body::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.15);
  border-radius: 3px;
}

.tgcsl-popover__body::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.25);
}