/* 滑动验证码样式 */
.slider-verify-container {
  margin: 20px 0;
}

.slider-track {
  position: relative;
  width: 100%;
  height: 50px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: 2px solid #667eea;
  border-radius: 25px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.slider-track:hover {
  border-color: #5a6fd8;
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
  transform: translateY(-1px);
}

.slider-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  opacity: 0.1;
}

.slider-target {
  position: absolute;
  top: 50%;
  left: 20%;
  transform: translate(-50%, -50%);
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 50%;
  opacity: 0.95;
  transition: all 0.3s ease;
  box-shadow: 
    0 4px 15px rgba(102, 126, 234, 0.4),
    inset 0 2px 4px rgba(255, 255, 255, 0.2);
  border: 3px solid rgba(255, 255, 255, 0.8);
  animation: targetPulse 2s ease-in-out infinite;
}

.slider-target::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 24px;
  height: 24px;
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  opacity: 0.9;
}

.slider-target::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 12px;
  height: 12px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 50%;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.2);
}

@keyframes targetPulse {
  0%, 100% { 
    transform: translate(-50%, -50%) scale(1);
    box-shadow: 
      0 4px 15px rgba(102, 126, 234, 0.4),
      inset 0 2px 4px rgba(255, 255, 255, 0.2);
  }
  50% { 
    transform: translate(-50%, -50%) scale(1.05);
    box-shadow: 
      0 6px 20px rgba(102, 126, 234, 0.6),
      inset 0 2px 4px rgba(255, 255, 255, 0.2);
  }
}

.slider-button {
  position: absolute;
  top: 50%;
  left: 5px;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  border: 3px solid #667eea;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: grab;
  transition: all 0.3s ease;
  z-index: 10;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.slider-button:hover {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
  transform: translateY(-50%) scale(1.05);
}

.slider-button:active {
  cursor: grabbing;
  transform: translateY(-50%) scale(0.95);
  box-shadow: 0 2px 10px rgba(102, 126, 234, 0.6);
}

.slider-button i {
  color: #667eea;
  font-size: 16px;
  transition: all 0.3s ease;
  font-weight: bold;
}

.slider-button.verified {
  background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
  border-color: #28a745;
  box-shadow: 0 4px 15px rgba(40, 167, 69, 0.4);
  animation: successPulse 0.6s ease-in-out;
}

.slider-button.verified i {
  color: #fff;
  animation: successRotate 0.6s ease-in-out;
}

@keyframes successPulse {
  0% { transform: translateY(-50%) scale(1); }
  50% { transform: translateY(-50%) scale(1.1); }
  100% { transform: translateY(-50%) scale(1); }
}

@keyframes successRotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.slider-text {
  text-align: center;
  margin-top: 15px;
  font-size: 14px;
  color: #6c757d;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.slider-text.success {
  color: #28a745;
  font-weight: 600;
}

.slider-text.error {
  color: #dc3545;
  font-weight: 600;
}

.slider-text i {
  font-size: 16px;
  animation: bounce 0.6s ease-in-out;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-5px); }
  60% { transform: translateY(-3px); }
}

/* 移动端优化 */
@media (max-width: 768px) {
  .slider-track {
    height: 45px;
    border-radius: 22.5px;
  }
  
  .slider-button {
    width: 38px;
    height: 38px;
  }
  
  .slider-button i {
    font-size: 14px;
  }
  
  .slider-target {
    width: 40px;
    height: 40px;
    border-radius: 50%;
  }
  
  .slider-target::before {
    width: 20px;
    height: 20px;
  }
  
  .slider-target::after {
    width: 10px;
    height: 10px;
  }
  
  .slider-text {
    font-size: 13px;
    margin-top: 12px;
  }
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
  .slider-button {
    cursor: pointer;
  }
  
  .slider-button:active {
    cursor: pointer;
    transform: translateY(-50%) scale(0.9);
  }
  
  .slider-track {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
  }
}

/* 防止文本选择 */
.slider-track, .slider-button {
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

/* 加载动画 */
.slider-track::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* 验证状态指示器 */
.slider-verify-container.is-valid .slider-track {
  border-color: #28a745;
  box-shadow: 0 4px 15px rgba(40, 167, 69, 0.3);
}

.slider-verify-container.is-invalid .slider-track {
  border-color: #dc3545;
  box-shadow: 0 4px 15px rgba(220, 53, 69, 0.3);
  animation: shake 0.5s ease-in-out;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

/* 响应式设计增强 */
@media (max-width: 480px) {
  .slider-track {
    height: 40px;
    border-radius: 20px;
  }
  
  .slider-button {
    width: 35px;
    height: 35px;
  }
  
  .slider-button i {
    font-size: 13px;
  }
  
  .slider-target {
    width: 35px;
    height: 35px;
    border-radius: 50%;
  }
  
  .slider-target::before {
    width: 18px;
    height: 18px;
  }
  
  .slider-target::after {
    width: 8px;
    height: 8px;
  }
  
  .slider-text {
    font-size: 12px;
    margin-top: 10px;
  }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
  .slider-track {
    background: linear-gradient(135deg, #4a5568 0%, #2d3748 100%);
    border-color: #4a5568;
  }
  
  .slider-button {
    background: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);
    border-color: #4a5568;
  }
  
  .slider-button i {
    color: #e2e8f0;
  }
  
  .slider-text {
    color: #e2e8f0;
  }
}