/**
 * 价格趋势页面样式
 */

page {
  background-color: #f5f5f5;
  height: 100%;
}

.container {
  min-height: 100vh;
  padding-bottom: 120rpx;
}

/* ========== 筛选条件区域 ========== */
.filter-section {
  background: #fff;
  padding: 40rpx 30rpx;
  margin-bottom: 20rpx;
  border-radius: 0 0 24rpx 24rpx;
  box-shadow: 0 2rpx 12rpx rgba(0, 0, 0, 0.06);
}

.section-title {
  font-size: 36rpx;
  font-weight: bold;
  color: #1a1a1a;
  margin-bottom: 32rpx;
  padding-left: 16rpx;
  border-left: 6rpx solid #1890ff;
}

.form-item {
  margin-bottom: 32rpx;
}

.form-label {
  font-size: 28rpx;
  color: #595959;
  margin-bottom: 16rpx;
  font-weight: 500;
}

.form-picker {
  background: #f5f5f5;
  border-radius: 12rpx;
  padding: 24rpx 20rpx;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.picker-text {
  font-size: 30rpx;
  color: #1a1a1a;
}

.picker-text.placeholder {
  color: #bfbfbf;
}

.btn-group {
  display: flex;
  gap: 20rpx;
  margin-top: 40rpx;
}

.btn-primary,
.btn-secondary {
  flex: 1;
  height: 88rpx;
  line-height: 88rpx;
  border-radius: 12rpx;
  font-size: 32rpx;
  font-weight: 500;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, #1890ff 0%, #096dd9 100%);
  color: #fff;
}

.btn-primary[disabled] {
  background: #d9d9d9;
  color: #bfbfbf;
}

.btn-secondary {
  background: #fff;
  color: #595959;
  border: 2rpx solid #d9d9d9;
}

.btn-secondary[disabled] {
  border-color: #f0f0f0;
  color: #bfbfbf;
}

/* ========== 图表区域 ========== */
.chart-section {
  padding: 0 30rpx;
}

.chart-card {
  background: #fff;
  border-radius: 16rpx;
  padding: 32rpx;
  margin-bottom: 24rpx;
  box-shadow: 0 2rpx 12rpx rgba(0, 0, 0, 0.06);
}

.chart-title {
  font-size: 32rpx;
  font-weight: bold;
  color: #1a1a1a;
  margin-bottom: 24rpx;
}

.chart-container {
  width: 100%;
  height: 500rpx;
}

ec-canvas {
  width: 100%;
  height: 100%;
}

/* ========== 统计摘要 ========== */
.stats-summary {
  display: flex;
  justify-content: space-between;
  background: #fff;
  border-radius: 16rpx;
  padding: 32rpx;
  box-shadow: 0 2rpx 12rpx rgba(0, 0, 0, 0.06);
}

.stat-item {
  flex: 1;
  text-align: center;
}

.stat-label {
  font-size: 24rpx;
  color: #8c8c8c;
  margin-bottom: 12rpx;
}

.stat-value {
  font-size: 32rpx;
  font-weight: bold;
  color: #1a1a1a;
}

.stat-value.up {
  color: #ff4d4f;
}

.stat-value.down {
  color: #52c41a;
}

/* ========== 欢迎/空状态 ========== */
.welcome-section,
.empty-section {
  padding: 120rpx 30rpx;
  text-align: center;
}

.welcome-card {
  background: linear-gradient(135deg, #52c41a 0%, #389e0d 100%);
  border-radius: 24rpx;
  padding: 60rpx 40rpx;
  box-shadow: 0 8rpx 24rpx rgba(82, 196, 26, 0.25);
}

.welcome-icon {
  font-size: 120rpx;
  margin-bottom: 24rpx;
}

.welcome-title {
  font-size: 40rpx;
  font-weight: bold;
  color: #fff;
  margin-bottom: 16rpx;
}

.welcome-desc {
  font-size: 28rpx;
  color: rgba(255, 255, 255, 0.9);
}

.empty-icon {
  font-size: 120rpx;
  margin-bottom: 24rpx;
  opacity: 0.5;
}

.empty-text {
  font-size: 30rpx;
  color: #595959;
  margin-bottom: 12rpx;
}

.empty-hint {
  font-size: 26rpx;
  color: #8c8c8c;
}

/* ========== 加载状态 ========== */
.loading-section {
  padding: 120rpx 30rpx;
  text-align: center;
}

.loading-text {
  font-size: 28rpx;
  color: #8c8c8c;
}