/*
 * 抽屉手柄优化样式
 * 用于改善抽屉手柄的视觉反馈和交互体验
 */

/* 抽屉手柄基础样式增强 - 苹果地图风格 */
.mobile-drawer-handle {
  width: 50px;
  height: 4px;
  background-color: var(--divider-color);
  border-radius: 4px;
  margin: 8px auto;
  cursor: grab; /* 使用grab光标提示用户可拖动 */
  position: relative;
  z-index: 1060;
  touch-action: none; /* 确保触摸事件不被浏览器处理 */
  user-select: none;
  -webkit-user-select: none;
  transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
  /* 增加点击区域，但保持小把手本身的高度较矮 */
  padding: 8px 0;
  margin-top: 0;
  margin-bottom: 0;
  /* 添加微小的动画效果 */
  animation: handlePulse 2s infinite;
  /* 确保手柄可以被点击和拖动 */
  pointer-events: auto !important;
}

/* 手柄脉动动画 */
@keyframes handlePulse {
  0% {
    transform: scaleX(1);
  }
  50% {
    transform: scaleX(1.05);
  }
  100% {
    transform: scaleX(1);
  }
}

/* 增强抽屉手柄的视觉效果 - 添加上下两条线增强拖拽指示 */
.mobile-drawer-handle::before,
.mobile-drawer-handle::after {
  content: '';
  position: absolute;
  width: 30px;
  height: 2px;
  background-color: var(--divider-color);
  left: 50%;
  transform: translateX(-50%);
  border-radius: 2px;
  transition: all 0.2s ease;
}

.mobile-drawer-handle::before {
  top: 0;
}

.mobile-drawer-handle::after {
  bottom: 0;
}

/* 抽屉各状态下的手柄视觉效果 - 苹果地图风格 */
/* 完全展开状态 */
.mobile-drawer.expanded .mobile-drawer-handle {
  width: 55px;
  background-color: var(--primary-color);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  transform: scaleX(1.1);
}

.mobile-drawer.expanded .mobile-drawer-handle::before,
.mobile-drawer.expanded .mobile-drawer-handle::after {
  background-color: var(--primary-color);
  width: 35px;
}

/* 半开状态 */
.mobile-drawer.half-open .mobile-drawer-handle {
  width: 50px;
  background-color: var(--primary-color);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.mobile-drawer.half-open .mobile-drawer-handle::before,
.mobile-drawer.half-open .mobile-drawer-handle::after {
  background-color: var(--primary-color);
  width: 30px;
}

/* 收起状态 */
.mobile-drawer.collapsed .mobile-drawer-handle {
  width: 45px;
  background-color: var(--divider-color);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.mobile-drawer.collapsed .mobile-drawer-handle::before,
.mobile-drawer.collapsed .mobile-drawer-handle::after {
  background-color: var(--divider-color);
  width: 25px;
}

/* 拖动状态下的手柄样式 */
.mobile-drawer.dragging .mobile-drawer-handle {
  background-color: var(--primary-color);
  width: 60px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.25);
  transform: scale(1.05);
  cursor: grabbing; /* 拖动时改变光标样式 */
}

.mobile-drawer.dragging .mobile-drawer-handle::before,
.mobile-drawer.dragging .mobile-drawer-handle::after {
  background-color: var(--primary-color);
  width: 40px;
}

/* 确保拖动时抽屉的过渡效果被禁用 */
.mobile-drawer.dragging {
  transition: none !important; /* 拖动时禁用过渡效果，确保跟手 */
  will-change: transform; /* 提示浏览器优化性能 */
}

/* 手柄悬停效果 */
.mobile-drawer-handle:hover {
  background-color: var(--primary-color);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
  transform: scale(1.05);
}

.mobile-drawer-handle:hover::before,
.mobile-drawer-handle:hover::after {
  background-color: var(--primary-color);
  width: 35px;
}

/* 手柄激活效果 */
.mobile-drawer-handle:active {
  background-color: var(--primary-dark);
  transform: scale(0.95);
  transition: all 0.1s ease;
}

.mobile-drawer-handle:active::before,
.mobile-drawer-handle:active::after {
  background-color: var(--primary-dark);
}

/* 确保抽屉内容可滚动 */
.mobile-drawer-content {
  overflow-y: auto !important;
  -webkit-overflow-scrolling: touch !important;
  touch-action: pan-y !important;
  overscroll-behavior: contain;
  scroll-behavior: smooth;
}

/* 抽屉过渡效果优化 - 使用苹果地图风格的弹性曲线 */
.mobile-drawer {
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  will-change: transform;
  transform-style: preserve-3d;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

/* 抽屉拖动时使用微小的过渡效果，增强动画感 */
.mobile-drawer.dragging {
  transition: transform 0.05s cubic-bezier(0.1, 0.7, 0.1, 1) !important;
}

/* 抽屉状态变化时的过渡效果 */
.mobile-drawer.to-expanded {
  transition: transform 0.4s cubic-bezier(0.17, 0.89, 0.32, 1.28) !important;
}

.mobile-drawer.to-half-open {
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
}

.mobile-drawer.to-collapsed {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

/* 暗色模式适配 */
.dark-mode .mobile-drawer-handle {
  background-color: rgba(255, 255, 255, 0.3);
}

.dark-mode .mobile-drawer-handle::before,
.dark-mode .mobile-drawer-handle::after {
  background-color: rgba(255, 255, 255, 0.3);
}

.dark-mode .mobile-drawer.expanded .mobile-drawer-handle,
.dark-mode .mobile-drawer.dragging .mobile-drawer-handle,
.dark-mode .mobile-drawer-handle:hover {
  background-color: var(--primary-light);
}

.dark-mode .mobile-drawer.expanded .mobile-drawer-handle::before,
.dark-mode .mobile-drawer.expanded .mobile-drawer-handle::after,
.dark-mode .mobile-drawer.dragging .mobile-drawer-handle::before,
.dark-mode .mobile-drawer.dragging .mobile-drawer-handle::after,
.dark-mode .mobile-drawer-handle:hover::before,
.dark-mode .mobile-drawer-handle:hover::after {
  background-color: var(--primary-light);
}