.lc-article-sticky-hub {
  position: fixed;
  left: 16px;
  top: 125px;
  z-index: 500;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 44px;
  max-width: 44px;
  box-sizing: border-box;
}

@media (max-width: 1200px) {
  .lc-article-sticky-hub {
    display: none;
  }
}

.lc-article-nav-home {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: #0f172a;
  color: var(--lc-white);
  border-radius: var(--lc-radius-md);
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
  transition: background-color var(--lc-transition-fast), transform var(--lc-transition-fast);
  box-sizing: border-box;
}

.lc-article-nav-home:hover {
  background: var(--lc-primary);
  color: var(--lc-white);
  transform: translateY(-1px);
}

.lc-slim-home-text {
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--lc-white);
  text-transform: uppercase;
  margin-top: 2px;
  line-height: 1;
}

.lc-font-resizer-pill {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--lc-white);
  border: 1px solid var(--lc-slate-200);
  border-radius: var(--lc-radius-full);
  padding: 6px 0;
  gap: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  width: 34px;
  max-width: 34px;
  box-sizing: border-box;
}

.lc-font-btn {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--lc-text-body);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 12px;
  transition: all var(--lc-transition-fast);
  padding: 0;
  outline: none;
}

.lc-font-btn:hover {
  color: var(--lc-primary);
  background: var(--lc-slate-100);
}

.lc-font-indicator {
  font-size: 10px;
  font-weight: 700;
  color: var(--lc-text-muted);
  user-select: none;
}

.lc-circle-tool-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--lc-slate-200);
  background: var(--lc-white);
  color: var(--lc-text-body);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  transition: all var(--lc-transition-fast);
}

.lc-circle-tool-btn:hover {
  background: var(--lc-primary);
  border-color: var(--lc-primary);
  color: var(--lc-white);
  transform: translateY(-1px);
}

.lc-copy-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: #0f172a;
  color: var(--lc-white);
  padding: 10px 18px;
  border-radius: var(--lc-radius-md);
  font-size: 13px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  z-index: 99999;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.lc-copy-toast.is-show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}