.default {
  cursor: default;
} /* 默认箭头 */
.pointer {
  cursor: pointer;
} /* 手型，表示可点击 */
.text {
  cursor: text;
} /* 文本输入 */
.move {
  cursor: move;
} /* 移动 */
.not-allowed {
  cursor: not-allowed;
} /* 禁止 */
.wait {
  cursor: wait;
} /* 等待/加载 */
.progress {
  cursor: progress;
} /* 后台处理中 */
.help {
  cursor: help;
} /* 帮助 */
.crosshair {
  cursor: crosshair;
} /* 十字准心 */
.grab {
  cursor: grab;
} /* 抓取 */
.grabbing {
  cursor: grabbing;
} /* 抓取中 */

.resize-ew {
  cursor: ew-resize;
} /* 左右 */
.resize-ns {
  cursor: ns-resize;
} /* 上下 */
.resize-nwse {
  cursor: nwse-resize;
} /* 左上-右下 */
.resize-nesw {
  cursor: nesw-resize;
} /* 右上-左下 */
.col-resize {
  cursor: col-resize;
} /* 列调整 */
.row-resize {
  cursor: row-resize;
} /* 行调整 */

.zoom-in {
  cursor: zoom-in;
}
.zoom-out {
  cursor: zoom-out;
}

.custom {
  cursor: url('/cursors/custom.png'), auto;
}

/* 带热点位置 */
.custom-hotspot {
  cursor:
    url('/cursors/crosshair.png') 16 16,
    crosshair;
}

/* 多个回退 */
.with-fallback {
  cursor: url('/cursors/fancy.cur'), url('/cursors/fancy.png'), pointer;
}

/* 可点击元素 */
button,
a,
[role='button'] {
  cursor: pointer;
}

/* 禁用状态 */
button:disabled,
.disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

/* 拖拽元素 */
.draggable {
  cursor: grab;
}

.draggable:active {
  cursor: grabbing;
}

/* 可调整大小 */
.resizable {
  cursor: nwse-resize;
}

.clickable {
  pointer-events: auto;
} /* 默认：响应事件 */

.non-clickable {
  pointer-events: none;
} /* 不响应事件，事件穿透 */

/* 禁用按钮但保持样式 */
.button-disabled {
  pointer-events: none;
  opacity: 0.5;
}

/* 遮罩层允许点击穿透 */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  pointer-events: none; /* 遮罩不阻挡点击 */
}

.overlay .modal {
  pointer-events: auto; /* 弹窗可点击 */
}

/* 装饰元素不阻挡交互 */
.decoration {
  position: absolute;
  pointer-events: none;
}

/* 加载中禁止交互 */
.loading {
  pointer-events: none;
  opacity: 0.7;
}

.svg-element {
  pointer-events: fill; /* 只响应填充区域 */
  pointer-events: stroke; /* 只响应描边 */
  pointer-events: visible; /* 可见部分响应 */
  pointer-events: painted; /* 填充和描边响应 */
}

.selectable {
  user-select: auto;
} /* 默认 */

.select-all {
  user-select: all;
} /* 点击全选 */

.select-text {
  user-select: text;
} /* 可选文本 */

.no-select {
  user-select: none;
} /* 禁止选择 */

.select-contain {
  user-select: contain;
} /* 选择限制在元素内 */

/* 按钮文字不可选 */
button {
  user-select: none;
}

/* 代码块点击全选 */
.code-block {
  user-select: all;
}

/* 图标不可选 */
.icon {
  user-select: none;
}

/* 可复制的重要信息 */
.copyable {
  user-select: all;
  background: #f3f4f6;
  padding: 8px 12px;
  border-radius: 4px;
  cursor: pointer;
}

/* 防止拖拽时选中文字 */
.draggable-area {
  user-select: none;
}

.resize-both {
  resize: both;
  overflow: auto; /* 必须 */
}

.resize-horizontal {
  resize: horizontal;
  overflow: auto;
}

.resize-vertical {
  resize: vertical;
  overflow: auto;
}

.no-resize {
  resize: none;
}

/* 只允许垂直调整 */
textarea {
  resize: vertical;
  min-height: 100px;
  max-height: 500px;
}

/* 禁止调整 */
textarea.fixed {
  resize: none;
}

/* 自由调整 */
.resizable-box {
  resize: both;
  overflow: auto;
  min-width: 200px;
  min-height: 100px;
  max-width: 100%;
  border: 1px solid #d1d5db;
  padding: 16px;
}

.touch-auto {
  touch-action: auto;
} /* 默认：允许所有 */

.touch-none {
  touch-action: none;
} /* 禁止所有触摸操作 */

.pan-x {
  touch-action: pan-x;
} /* 只允许水平平移 */

.pan-y {
  touch-action: pan-y;
} /* 只允许垂直平移 */

.pinch-zoom {
  touch-action: pinch-zoom;
} /* 只允许缩放 */

.manipulation {
  touch-action: manipulation;
} /* 平移和缩放，禁止双击缩放 */

/* 轮播/滑块 - 只允许水平滑动 */
.carousel {
  touch-action: pan-x;
  overflow-x: auto;
}

/* 垂直滚动列表 - 只允许垂直 */
.vertical-list {
  touch-action: pan-y;
}

/* 画布/地图 - 自定义手势处理 */
.canvas {
  touch-action: none;
}

/* 按钮 - 避免双击缩放延迟 */
button {
  touch-action: manipulation;
}

/* 图片画廊 - 允许缩放和平移 */
.gallery-view {
  touch-action: pan-x pan-y pinch-zoom;
}

input {
  caret-color: #3b82f6;
}

/* 透明光标（隐藏） */
.hidden-caret {
  caret-color: transparent;
}

/* 继承文字颜色 */
.inherit-caret {
  caret-color: auto;
}

:root {
  accent-color: #3b82f6;
}

/* 单独设置 */
input[type='checkbox'] {
  accent-color: #10b981;
}

input[type='radio'] {
  accent-color: #8b5cf6;
}

input[type='range'] {
  accent-color: #f59e0b;
}

progress {
  accent-color: #ef4444;
}

/* 移除默认样式 */
.custom-input {
  appearance: none;
  -webkit-appearance: none;
}

/* 常见用法 */
input[type='number'] {
  appearance: textfield; /* 移除箭头 */
}

select.custom {
  appearance: none;
  background: url('arrow.svg') right center no-repeat;
}

/* 自定义复选框 */
input[type='checkbox'].custom {
  appearance: none;
  width: 20px;
  height: 20px;
  border: 2px solid #d1d5db;
  border-radius: 4px;
  cursor: pointer;
}

input[type='checkbox'].custom:checked {
  background: #3b82f6;
  border-color: #3b82f6;
}

input[type='checkbox'].custom:checked::after {
  content: '✓';
  color: white;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* 自定义单选框 */
input[type='radio'].custom {
  appearance: none;
  width: 20px;
  height: 20px;
  border: 2px solid #d1d5db;
  border-radius: 50%;
  cursor: pointer;
}

input[type='radio'].custom:checked {
  border-color: #3b82f6;
  background: radial-gradient(#3b82f6 50%, transparent 50%);
}

/* 默认有动画 */
.animated {
  transition: transform 0.3s ease;
}

.animated:hover {
  transform: scale(1.05);
}

/* 用户偏好减少动画 */
@media (prefers-reduced-motion: reduce) {
  .animated {
    transition: none;
  }

  .animated:hover {
    transform: none;
  }

  /* 全局禁用动画 */
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

:root {
  --bg: white;
  --text: #1f2937;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1f2937;
    --text: #f9fafb;
  }
}

body {
  background: var(--bg);
  color: var(--text);
}

@media (prefers-contrast: more) {
  :root {
    --border-color: black;
    --text-muted: #1f2937;
  }

  button {
    border: 2px solid black;
  }
}

@media (prefers-contrast: less) {
  :root {
    --border-color: #e5e7eb;
    --text-muted: #9ca3af;
  }
}

.draggable-card {
  cursor: grab;
  user-select: none;
  touch-action: none;
  transition:
    box-shadow 0.2s,
    transform 0.2s;
}

.draggable-card:active {
  cursor: grabbing;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  transform: scale(1.02);
}

.draggable-card.dragging {
  opacity: 0.8;
  pointer-events: none;
}

.image-viewer {
  touch-action: pinch-zoom pan-x pan-y;
  cursor: zoom-in;
  user-select: none;
}

.image-viewer.zoomed {
  cursor: zoom-out;
}

.image-viewer.panning {
  cursor: grabbing;
}

.code-wrapper {
  position: relative;
}

.code-block {
  user-select: all;
  padding: 16px;
  background: #1f2937;
  border-radius: 8px;
  overflow-x: auto;
}

.copy-button {
  position: absolute;
  top: 8px;
  right: 8px;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.2s;
}

.code-wrapper:hover .copy-button {
  opacity: 1;
}

fieldset:disabled {
  pointer-events: none;
  opacity: 0.6;
}

fieldset:disabled * {
  cursor: not-allowed;
}

.form-loading {
  position: relative;
  pointer-events: none;
}

.form-loading::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.7);
  cursor: wait;
}

.slider {
  touch-action: pan-x;
  user-select: none;
  cursor: pointer;
}

.slider-thumb {
  cursor: grab;
}

.slider-thumb:active {
  cursor: grabbing;
}

.slider-track {
  pointer-events: none;
}

/* 基础样式 */
.card {
  transition:
    transform 0.3s,
    box-shadow 0.3s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

/* 减少动画 */
@media (prefers-reduced-motion: reduce) {
  .card {
    transition: none;
  }

  .card:hover {
    transform: none;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
  }
}

/* 高对比度 */
@media (prefers-contrast: more) {
  .card {
    border: 2px solid currentColor;
  }

  .card:hover {
    outline: 3px solid currentColor;
  }
}