/* 滑动验证样式优化 */
.verify-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 9999;
  justify-content: center;
  align-items: center;
  padding: 15px;
}

.verify-container {
  width: 100%;
  max-width: 380px;
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
  overflow: hidden;
  transform: scale(0.95);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.verify-container.active {
  transform: scale(1);
  opacity: 1;
}

.verify-header {
  padding: 15px 20px;
  border-bottom: 1px solid #eee;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.verify-header h3 {
  margin: 0;
  font-size: 16px;
  color: #333;
  font-weight: 600;
}

.verify-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: #999;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.verify-close:hover {
  background-color: #f5f5f5;
  color: #333;
}

.verify-content {
  padding: 20px;
}

.puzzle-container {
  width: 100%;
}

.puzzle-image {
  width: 100%;
  height: 0;
  padding-bottom: 56.25%; /* 16:9 比例 */
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  background-color: #f5f5f5;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ddd' fill-opacity='0.4'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

#puzzle-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
}

#puzzle-img.loaded {
  opacity: 1;
}

.puzzle-piece {
  position: absolute;
  width: 50px;
  height: 50px;
  border: 2px solid rgba(255,255,255,0.9);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
  cursor: grab;
  top: 0;
  left: 0;
  background-repeat: no-repeat;
  background-size: cover;
  z-index: 3;
  border-radius: 6px;
  transition: transform 0.18s ease, left 0.12s ease, box-shadow 0.18s;
}

/* 拼图块形状优化 */
.puzzle-piece::before,
.puzzle-piece::after,
.puzzle-gap::before,
.puzzle-gap::after {
  content: '';
  position: absolute;
  background-color: #fff;
}

.puzzle-piece::before,
.puzzle-gap::before {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  top: 18px;
  right: -7px;
}

.puzzle-piece::after,
.puzzle-gap::after {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  bottom: 18px;
  left: -7px;
}

.refresh-puzzle {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.9);
  border: none;
  color: #666;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  z-index: 3;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.refresh-puzzle:hover {
  background-color: #fff;
  color: #165DFF;
  transform: rotate(180deg);
}

.slider-container {
  margin-top: 20px;
}

/* 修改：滑轨填充由 CSS 变量控制，便于 JS 动态更新 */
.slider-track {
  width: 100%;
  height: 42px;
  background-color: #f5f5f5;
  border-radius: 21px;
  position: relative;
  overflow: hidden;
  --fill-width: 0px; /* 新增变量 */
}

/* 使用变量绘制填充 */
.slider-track::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: var(--fill-width, 0px);
  background-color: rgba(22, 93, 255, 0.12);
  transition: width 0.08s linear;
  z-index: 1;
}

/* 改动：将验证提示放置在滑轨内部居中显示，且不干扰滑块交互（pointer-events: none） */
.verify-message {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%); /* 居中显示在滑轨中间 */
  margin: 0;
  font-size: 14px;
  color: #4E5969;
  z-index: 0; /* 低于滑块 (z-index:2) 但高于背景填充 (::after z-index:1) */
  pointer-events: none; /* 不阻碍滑块的拖动事件 */
  user-select: none;
  transition: color 0.18s ease;
}

.slider {
  position: absolute;
  width: 44px;
  height: 44px;
  background-color: #fff;
  border: 1px solid #e6e6e6;
  border-radius: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(22,93,255,0.08);
  transition: transform 0.18s cubic-bezier(0.4,0,0.2,1), box-shadow 0.18s;
  z-index: 2;
  top: -1px;
  left: -1px;
}

/* 鼠标或触摸拖动时稍微上移，产生突起效果 */
.slider.dragging {
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 10px 22px rgba(22,93,255,0.18);
}

/* 成功状态：变色并旋转图标为确认感 */
.slider.success {
  background-color: #165DFF;
  border-color: rgba(0,0,0,0.05);
  box-shadow: 0 12px 30px rgba(22,93,255,0.22);
}

.slider.success i {
  color: #fff;
  transform: rotate(180deg);
}

/* 拼图缺口（凹陷）视觉增强：内阴影与边缘高亮 */
.puzzle-gap {
  position: absolute;
  width: 50px;
  height: 50px;
  background-color: rgba(0, 0, 0, 0.06);
  z-index: 1;
  border-radius: 6px;
  box-shadow: inset 0 6px 10px rgba(0,0,0,0.12), 0 1px 0 rgba(255,255,255,0.6);
  border: 1px solid rgba(255,255,255,0.12);
}

/* 加载动画 */
.loading-indicator {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.8);
  z-index: 4;
  transition: opacity 0.3s ease-out;
}

.loading-spinner {
  width: 30px;
  height: 30px;
  border: 3px solid rgba(22, 93, 255, 0.2);
  border-radius: 50%;
  border-top-color: #165DFF;
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* 响应式调整 */
@media (max-width: 400px) {
  .puzzle-piece, .puzzle-gap {
    width: 45px;
    height: 45px;
  }
  
  .slider {
    width: 40px;
    height: 40px;
  }
  
  .verify-content {
    padding: 15px;
  }
}