/* pages/audio/audio.wxss */
.container {
  min-height: 100vh;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 60rpx 30rpx;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.container::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -20%;
  width: 500rpx;
  height: 500rpx;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  pointer-events: none;
}

.container::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -15%;
  width: 400rpx;
  height: 400rpx;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  pointer-events: none;
}

.header {
  text-align: center;
  margin-bottom: 80rpx;
  position: relative;
  z-index: 1;
}

.cover {
  width: 340rpx;
  height: 340rpx;
  border-radius: 24rpx;
  margin: 0 auto 50rpx;
  box-shadow: 0 20rpx 60rpx rgba(0, 0, 0, 0.4);
  transition: transform 0.3s ease;
  position: relative;
  overflow: hidden;
}

.cover::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.title {
  font-size: 40rpx;
  font-weight: 600;
  margin-bottom: 24rpx;
  text-shadow: 0 2rpx 8rpx rgba(0, 0, 0, 0.2);
  line-height: 1.4;
}

.narrator {
  font-size: 28rpx;
  opacity: 0.9;
  font-weight: 500;
}

.progress-section {
  display: flex;
  align-items: center;
  margin-bottom: 80rpx;
  position: relative;
  z-index: 1;
  gap: 20rpx;
}

.time-text {
  font-size: 26rpx;
  min-width: 90rpx;
  text-align: center;
  font-weight: 500;
  opacity: 0.95;
}

.progress-slider {
  flex: 1;
}

.controls {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 80rpx;
  position: relative;
  z-index: 1;
  gap: 40rpx;
}

.control-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: all 0.3s ease;
  padding: 10rpx;
}

.control-btn:active {
  transform: scale(0.9);
  opacity: 0.8;
}

.control-btn .icon {
  font-size: 64rpx;
  margin-bottom: 12rpx;
  transition: transform 0.3s ease;
}

.control-btn:active .icon {
  transform: scale(1.1);
}

.control-btn .label {
  font-size: 24rpx;
  opacity: 0.9;
  font-weight: 500;
}

.play-btn {
  width: 140rpx;
  height: 140rpx;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(10rpx);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8rpx 24rpx rgba(0, 0, 0, 0.3);
  border: 4rpx solid rgba(255, 255, 255, 0.3);
  transition: all 0.3s ease;
  position: relative;
}

.play-btn::before {
  content: '';
  position: absolute;
  top: -4rpx;
  left: -4rpx;
  right: -4rpx;
  bottom: -4rpx;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.1) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.play-btn:active {
  transform: scale(0.95);
  box-shadow: 0 4rpx 16rpx rgba(0, 0, 0, 0.4);
}

.play-btn:active::before {
  opacity: 1;
}

.play-btn .icon {
  font-size: 88rpx;
  margin: 0;
  text-shadow: 0 2rpx 8rpx rgba(0, 0, 0, 0.2);
}

.settings {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(20rpx);
  border-radius: 24rpx;
  padding: 40rpx;
  border: 2rpx solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 8rpx 32rpx rgba(0, 0, 0, 0.2);
  position: relative;
  z-index: 1;
}

.setting-item {
  margin-bottom: 40rpx;
}

.setting-item:last-child {
  margin-bottom: 0;
}

.setting-label {
  font-size: 30rpx;
  margin-bottom: 24rpx;
  display: block;
  font-weight: 500;
  opacity: 0.95;
}

.speed-slider {
  margin-bottom: 12rpx;
}

.speed-text {
  font-size: 26rpx;
  opacity: 0.9;
  text-align: right;
  display: block;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.2);
  padding: 8rpx 16rpx;
  border-radius: 12rpx;
  display: inline-block;
  float: right;
}

.chapter-list-btn {
  width: 100%;
  height: 88rpx;
  line-height: 88rpx;
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(10rpx);
  color: #fff;
  border-radius: 16rpx;
  font-size: 30rpx;
  font-weight: 500;
  border: 2rpx solid rgba(255, 255, 255, 0.3);
  transition: all 0.3s ease;
  box-shadow: 0 4rpx 16rpx rgba(0, 0, 0, 0.2);
}

.chapter-list-btn::after {
  border: none;
}

.chapter-list-btn:active {
  background: rgba(255, 255, 255, 0.35);
  transform: scale(0.98);
  box-shadow: 0 2rpx 12rpx rgba(0, 0, 0, 0.3);
}

.loading {
  text-align: center;
  padding: 200rpx 40rpx;
  font-size: 28rpx;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 1;
}

.loading text {
  margin-top: 20rpx;
  opacity: 0.9;
}

.loading::before {
  content: '';
  width: 40rpx;
  height: 40rpx;
  border: 4rpx solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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