.yuuee-hl {
  background: linear-gradient(transparent 55%, #ffe27a 55%, #ffd84d 92%, transparent 92%);
  border-radius: 2px;
  padding: 0 1px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

body.yuuee-hl-mode .article-container,
body.yuuee-hl-mode article {
  cursor: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='28' height='28' viewBox='0 0 24 24' fill='%23ffcc33' stroke='%23333' stroke-width='1.5'><path d='M12 19l7-7 3 3-7 7-3-3z'/><path d='M18 13l-1.5-7.5L2 2l3.5 14.5L13 18l5-5z'/></svg>") 2 26, text;
}

#yuuee-hl-toolbar {
  position: fixed;
  right: 20px;
  bottom: 90px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

#yuuee-hl-toolbar button {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: none;
  background: var(--card-bg, #fff);
  color: var(--text-color, #333);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.15s, background 0.15s, color 0.15s;
}

#yuuee-hl-toolbar button:hover {
  transform: scale(1.08);
}

#yuuee-hl-toolbar button.active {
  background: #ffd84d;
  color: #222;
}

@media (prefers-color-scheme: dark) {
  #yuuee-hl-toolbar button {
    background: #2a2a2a;
    color: #eee;
  }
  .yuuee-hl {
    background: linear-gradient(transparent 55%, rgba(255, 226, 122, 0.45) 55%, rgba(255, 216, 77, 0.6) 92%, transparent 92%);
    color: inherit;
  }
}