/* pages/detail/detail.wxss */
page {
  padding: 0;
  margin: 0;
}

.container {
  min-height: 100vh;
  background: linear-gradient(180deg, #f8f9ff 0%, #f5f5f5 100%);
  padding-bottom: 200rpx;
  padding-top: 0;
  margin-top: 0;
}

.header {
  display: flex;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
  padding: 30rpx 20rpx;
  margin-bottom: 24rpx;
  border-bottom: 1rpx solid rgba(102, 126, 234, 0.1);
  padding-top: calc(30rpx + env(safe-area-inset-top));
}

.cover-wrapper {
  width: 220rpx;
  height: 300rpx;
  margin-right: 32rpx;
  flex-shrink: 0;
  border-radius: 16rpx;
  overflow: hidden;
  box-shadow: 0 8rpx 24rpx rgba(102, 126, 234, 0.2);
  position: relative;
}

.cover-wrapper::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;
}

.cover {
  width: 100%;
  height: 100%;
  transition: transform 0.3s ease;
}

.cover-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 16rpx;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24rpx;
  box-sizing: border-box;
  position: relative;
}

.cover-text {
  color: #fff;
  font-size: 26rpx;
  font-weight: 500;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  line-height: 1.5;
}

.info {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-width: 0;
}

.title {
  font-size: 38rpx;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 20rpx;
  line-height: 1.4;
}

.author {
  font-size: 28rpx;
  color: #666;
  margin-bottom: 20rpx;
  font-weight: 500;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12rpx;
  margin-bottom: 20rpx;
}

.meta text {
  font-size: 24rpx;
  color: #667eea;
  padding: 8rpx 18rpx;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
  border-radius: 16rpx;
  font-weight: 500;
}

.publisher {
  font-size: 26rpx;
  color: #8a8a8a;
  font-weight: 500;
}

.description {
  background: #fff;
  padding: 40rpx 20rpx;
  margin: 0 0 24rpx 0;
  border-radius: 0;
  box-shadow: 0 4rpx 20rpx rgba(102, 126, 234, 0.08);
  width: 100%;
  box-sizing: border-box;
}

.section-title {
  font-size: 32rpx;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 24rpx;
  position: relative;
  padding-left: 20rpx;
}

.section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6rpx;
  height: 28rpx;
  background: linear-gradient(180deg, #667eea 0%, #764ba2 100%);
  border-radius: 3rpx;
}

.desc-text {
  font-size: 28rpx;
  color: #666;
  line-height: 1.9;
  text-align: justify;
}

.actions {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  background: #fff;
  padding: 24rpx 30rpx;
  padding-bottom: calc(24rpx + env(safe-area-inset-bottom));
  box-shadow: 0 -4rpx 20rpx rgba(0, 0, 0, 0.1);
  gap: 16rpx;
}

.action-btn {
  flex: 1;
  min-height: 88rpx;
  text-align: center;
  border-radius: 16rpx;
  font-size: 28rpx;
  font-weight: 500;
  border: none;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4rpx;
  padding: 12rpx 8rpx;
  box-sizing: border-box;
}

.action-btn::after {
  border: none;
}

.action-btn.primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  box-shadow: 0 4rpx 16rpx rgba(102, 126, 234, 0.3);
}

.action-btn.primary:active {
  transform: scale(0.98);
  box-shadow: 0 2rpx 12rpx rgba(102, 126, 234, 0.4);
}

.action-btn:not(.primary) {
  background: #fff;
  color: #1a1a1a;
  border: 2rpx solid #c0c0c0;
  font-weight: 600;
}

.action-btn:not(.primary):active {
  background: #f5f5f5;
  border-color: #999;
  transform: scale(0.98);
}

.action-btn.primary {
  flex-direction: row;
  gap: 8rpx;
}

.btn-icon {
  font-size: 40rpx;
  font-weight: bold;
  color: #667eea;
  line-height: 1;
  display: block;
}

.action-btn.primary .btn-icon {
  display: none;
}

.chapter-section {
  background: #fff;
  padding: 40rpx 20rpx;
  margin: 0 0 24rpx 0;
  border-radius: 0;
  box-shadow: 0 4rpx 20rpx rgba(102, 126, 234, 0.08);
  width: 100%;
  box-sizing: border-box;
}

.chapter-section .section-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 32rpx;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 24rpx;
  padding-left: 20rpx;
}

.chapter-count {
  font-size: 26rpx;
  font-weight: normal;
  color: #8a8a8a;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
  padding: 4rpx 14rpx;
  border-radius: 12rpx;
}

.chapter-list,
.chapter-preview {
  max-height: 600rpx;
  overflow-y: auto;
}

.chapter-item {
  display: flex;
  align-items: center;
  padding: 24rpx 0;
  border-bottom: 1rpx solid #f0f0f0;
  transition: all 0.3s ease;
  position: relative;
}

.chapter-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4rpx;
  background: linear-gradient(180deg, #667eea 0%, #764ba2 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.chapter-item:active {
  background: linear-gradient(90deg, rgba(102, 126, 234, 0.05) 0%, transparent 100%);
  padding-left: 12rpx;
}

.chapter-item:active::before {
  opacity: 1;
}

.chapter-item:last-child {
  border-bottom: none;
}

.chapter-number {
  width: 60rpx;
  font-size: 24rpx;
  color: #999;
  text-align: center;
  font-weight: 500;
  flex-shrink: 0;
}

.chapter-title {
  flex: 1;
  font-size: 28rpx;
  color: #333;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin: 0 16rpx;
  font-weight: 500;
}

.chapter-free {
  font-size: 22rpx;
  color: #667eea;
  padding: 6rpx 14rpx;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.15) 0%, rgba(118, 75, 162, 0.15) 100%);
  border-radius: 12rpx;
  font-weight: 500;
  flex-shrink: 0;
}

.no-chapters {
  background: #fff;
  padding: 80rpx 20rpx;
  text-align: center;
  color: #999;
  font-size: 28rpx;
  margin: 0 0 24rpx 0;
  border-radius: 0;
  box-shadow: 0 4rpx 20rpx rgba(102, 126, 234, 0.08);
  width: 100%;
  box-sizing: border-box;
}

.no-chapters::before {
  content: '📑';
  font-size: 80rpx;
  display: block;
  margin-bottom: 20rpx;
  opacity: 0.3;
}

.loading {
  text-align: center;
  padding: 200rpx 40rpx;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.loading text {
  font-size: 28rpx;
  color: #999;
  margin-top: 20rpx;
}

.loading::before {
  content: '';
  width: 40rpx;
  height: 40rpx;
  border: 4rpx solid #f0f0f0;
  border-top-color: #667eea;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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