/* ========================================================
   macOS Dock 栏样式 (Dock Styles & Fisheye)
   ======================================================== */

#dock-container {
  position: fixed;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9998;
  display: flex;
  align-items: flex-end;
  pointer-events: auto;
}

#dock {
  display: flex;
  align-items: flex-end;
  height: 64px;
  padding: 4px 8px;
  background: var(--dock-bg);
  backdrop-filter: blur(35px) saturate(200%);
  -webkit-backdrop-filter: blur(35px) saturate(200%);
  border-radius: 20px;
  border: 0.5px solid var(--dock-border);
  box-shadow: var(--dock-shadow);
  gap: 10px;
  position: relative;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.dock-item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  cursor: pointer;
  transform-origin: bottom center;
  transition: transform 0.12s cubic-bezier(0.2, 0, 0.2, 1), margin 0.12s ease;
  will-change: transform;
}

.dock-icon-wrapper {
  width: 50px;
  height: 50px;
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: transform 0.12s ease;
}

.dock-icon-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  pointer-events: none;
  border-radius: 12px;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.25));
}

/* 运行中小圆点 */
.dock-dot {
  width: 4px;
  height: 4px;
  background: rgba(0, 0, 0, 0.65);
  border-radius: 50%;
  margin-top: 3px;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.dock-item.running .dock-dot {
  opacity: 1;
}

/* Dock 分隔线 (区分系统核心图标与自定义扩展图标) */
.dock-separator {
  width: 1px;
  height: 42px;
  background: rgba(0, 0, 0, 0.12);
  margin: 0 2px 8px;
  align-self: center;
}

/* macOS 悬浮 Tooltip 气泡 */
.dock-tooltip {
  position: absolute;
  top: -38px;
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: rgba(28, 28, 30, 0.85);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  color: #ffffff;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11.5px;
  font-weight: 500;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease, transform 0.15s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  border: 0.5px solid rgba(255, 255, 255, 0.15);
  z-index: 10005;
}

.dock-tooltip::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 5px solid rgba(28, 28, 30, 0.85);
}

.dock-item:hover .dock-tooltip {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* 点击跳跃动效 (Bounce Animation) */
@keyframes dockBounce {
  0% { transform: translateY(0); }
  30% { transform: translateY(-16px); }
  50% { transform: translateY(0); }
  70% { transform: translateY(-8px); }
  100% { transform: translateY(0); }
}

.dock-item.bouncing {
  animation: dockBounce 0.6s cubic-bezier(0.28, 0.84, 0.42, 1);
}