/* ============================================
   Share Button & Toast
   ============================================ */
.share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  transition: var(--transition);
}

.share-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.share-btn svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.toast-notification {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--bg-card);
  color: var(--text-primary);
  padding: 12px 24px;
  border-radius: 30px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  font-size: 0.9rem;
  font-weight: 500;
  z-index: 3000;
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  pointer-events: none;
}

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