/* 
 * 高级滚动进度条样式
 * 提供多种现代化、引人注目的滚动进度指示器效果
 */

/* 基础样式调整 */
.scroll-progress-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  /* 稍微增加高度 */
  background: rgba(0, 0, 0, 0.05);
  z-index: 9999;
  overflow: hidden;
}

/* 彩虹渐变效果 */
.scroll-progress-rainbow .scroll-progress-bar {
  height: 100%;
  background: linear-gradient(90deg,
      #ff0000, #ff7300, #fffb00, #48ff00,
      #00ffd5, #002bff, #7a00ff, #ff00c8, #ff0000);
  background-size: 200% 100%;
  animation: rainbow-move 4s linear infinite;
  transform-origin: left;
  will-change: transform;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.3);
}

@keyframes rainbow-move {
  0% {
    background-position: 0% 0;
  }

  100% {
    background-position: 200% 0;
  }
}

/* 脉冲光效果 */
.scroll-progress-pulse .scroll-progress-bar::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  width: 100px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
  animation: pulse-beam 2s infinite;
  transform: translateX(0);
}

@keyframes pulse-beam {
  0% {
    transform: translateX(-100%);
  }

  100% {
    transform: translateX(1000%);
  }
}

/* 霓虹灯效果 */
.scroll-progress-neon .scroll-progress-bar {
  height: 100%;
  background: var(--primary-color);
  transform-origin: left;
  box-shadow: 0 0 10px 1px var(--primary-color),
    0 0 15px 2px var(--primary-color);
  will-change: transform, box-shadow;
}

/* 双层进度条效果 */
.scroll-progress-double {
  height: 8px;
  display: flex;
  flex-direction: column;
}

.scroll-progress-double .scroll-progress-bar {
  height: 50%;
  background: var(--primary-color);
  transform-origin: left;
}

.scroll-progress-double .scroll-progress-secondary {
  height: 50%;
  background: var(--secondary-color);
  transform-origin: left;
  transform: scaleX(0);
  transition-delay: 0.1s;
}

/* 分段进度条 */
.scroll-progress-segmented .scroll-progress-bar {
  height: 100%;
  background-image: repeating-linear-gradient(90deg,
      var(--primary-color) 0px,
      var(--primary-color) 20px,
      var(--secondary-color) 20px,
      var(--secondary-color) 40px);
  transform-origin: left;
  background-size: 200% 100%;
  animation: segment-slide 3s linear infinite;
}

@keyframes segment-slide {
  0% {
    background-position: 0% 0;
  }

  100% {
    background-position: 200% 0;
  }
}

/* 带有百分比指示的进度条 */
.scroll-progress-with-indicator {
  display: flex;
  align-items: center;
  height: auto;
  background: transparent;
}

.scroll-progress-with-indicator .scroll-progress-bar {
  height: 4px;
  flex-grow: 1;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  transform-origin: left;
}

.scroll-progress-with-indicator .scroll-progress-percentage {
  background: var(--primary-color);
  color: white;
  padding: 2px 8px;
  font-size: 12px;
  font-weight: bold;
  border-radius: 10px;
  margin-right: 15px;
  transform: translateY(0);
  opacity: 0;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.scroll-progress-with-indicator .scroll-progress-percentage.active {
  opacity: 1;
  transform: translateY(0);
}

/* 移动端优化 */
@media (max-width: 768px) {
  .scroll-progress-with-indicator .scroll-progress-percentage {
    font-size: 10px;
    padding: 1px 6px;
  }

  .scroll-progress-double {
    height: 6px;
  }
}