/**
 * Business 数据报表页面样式
 * 遵循 ui-style-rules.md 规范
 */

/* ========== 页面头部 ========== */
.reports-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-6);
}

.reports-header__info {
  flex: 1;
}

.reports-header__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin: 0 0 var(--spacing-2) 0;
}

.reports-header__subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0;
}

.reports-header__actions {
  display: flex;
  gap: var(--spacing-3);
}

.reports-header__btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-5);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  border: none;
}

.reports-header__btn--secondary {
  color: var(--color-text-primary);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-primary);
}

.reports-header__btn--secondary:hover {
  background: var(--color-bg-tertiary);
  border-color: var(--color-border-hover);
}

.reports-header__btn-icon {
  font-size: var(--font-size-base);
}

/* ========== 时间筛选 ========== */
.reports-filters {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-6);
  padding: var(--spacing-4);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
}

.reports-filters__period {
  display: flex;
  gap: var(--spacing-2);
}

.reports-filters__btn {
  padding: var(--spacing-2) var(--spacing-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.reports-filters__btn:hover {
  color: var(--color-text-primary);
  border-color: var(--color-border-hover);
}

.reports-filters__btn--active {
  color: var(--color-text-on-primary);
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.reports-filters__custom {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.reports-filters__date {
  padding: var(--spacing-2) var(--spacing-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-md);
}

.reports-filters__date:focus {
  outline: none;
  border-color: var(--color-primary);
}

.reports-filters__separator {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.reports-filters__apply {
  padding: var(--spacing-2) var(--spacing-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-on-primary);
  background: var(--color-primary);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.reports-filters__apply:hover {
  background: var(--color-primary-hover);
}

/* ========== 核心指标 ========== */
.reports-metrics {
  margin-bottom: var(--spacing-6);
}

.reports-metrics__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--spacing-4);
}

.metric-card {
  padding: var(--spacing-4);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-lg);
  transition: box-shadow var(--transition-normal);
}

.metric-card:hover {
  box-shadow: var(--shadow-md);
}

.metric-card__header {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-3);
}

.metric-card__icon {
  font-size: var(--font-size-lg);
}

.metric-card__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.metric-card__value {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-2);
}

.metric-card__trend {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.metric-card__trend--up {
  color: var(--color-success);
}

.metric-card__trend--down {
  color: var(--color-error);
}

/* ========== 趋势图表 ========== */
.reports-chart {
  margin-bottom: var(--spacing-6);
  padding: var(--spacing-5);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-lg);
}

.reports-chart__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-4);
}

.reports-chart__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0;
}

.reports-chart__tabs {
  display: flex;
  gap: var(--spacing-2);
}

.reports-chart__tab {
  padding: var(--spacing-2) var(--spacing-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  background: transparent;
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.reports-chart__tab:hover {
  color: var(--color-text-primary);
  border-color: var(--color-border-hover);
}

.reports-chart__tab--active {
  color: var(--color-primary);
  background: var(--color-primary-bg);
  border-color: var(--color-primary);
}

.reports-chart__container {
  min-height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.reports-chart__placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-2);
  color: var(--color-text-tertiary);
}

.reports-chart__placeholder-icon {
  font-size: 48px;
}

.reports-chart__placeholder-text {
  font-size: var(--font-size-sm);
}

/* 图表柱状图 */
.chart-bars-container {
  width: 100%;
}

.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 200px;
  padding: var(--spacing-4) 0;
}

.chart-bar {
  flex: 1;
  min-width: 8px;
  background: var(--color-primary);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  position: relative;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.chart-bar:hover {
  background: var(--color-primary-hover);
}

.chart-bar__tooltip {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--spacing-1) var(--spacing-2);
  font-size: var(--font-size-xs);
  color: var(--color-text-on-primary);
  background: var(--color-bg-inverse);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast);
}

.chart-bar:hover .chart-bar__tooltip {
  opacity: 1;
  visibility: visible;
}

.chart-labels {
  display: flex;
  justify-content: space-between;
  padding-top: var(--spacing-2);
  border-top: 1px solid var(--color-border-secondary);
}

.chart-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

/* ========== 广告效果排行 ========== */
.reports-ranking {
  margin-bottom: var(--spacing-6);
  padding: var(--spacing-5);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-lg);
}

.reports-ranking__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-4);
}

.reports-ranking__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0;
}

.reports-ranking__select {
  padding: var(--spacing-2) var(--spacing-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-md);
  cursor: pointer;
}

.reports-ranking__list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.ranking-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  padding: var(--spacing-3) var(--spacing-4);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background var(--transition-fast);
}

.ranking-item:hover {
  background: var(--color-bg-tertiary);
}

.ranking-item__rank {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-secondary);
  background: var(--color-bg-primary);
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.ranking-item__rank--1 {
  color: var(--color-warning);
  background: var(--color-warning-bg);
}

.ranking-item__rank--2 {
  color: var(--color-text-secondary);
  background: var(--color-bg-tertiary);
}

.ranking-item__rank--3 {
  color: var(--color-warning);
  background: var(--color-warning-bg);
  opacity: 0.7;
}

.ranking-item__info {
  flex: 1;
  min-width: 0;
}

.ranking-item__name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ranking-item__stats {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

.ranking-item__value {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  white-space: nowrap;
}

/* 骨架屏 */
.ranking-item--skeleton {
  pointer-events: none;
}

.ranking-item--skeleton .ranking-item__rank,
.ranking-item--skeleton .ranking-item__name,
.ranking-item--skeleton .ranking-item__stats,
.ranking-item--skeleton .ranking-item__value {
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
  animation: skeleton-pulse 1.5s ease-in-out infinite;
}

.ranking-item--skeleton .ranking-item__name {
  width: 60%;
  height: 16px;
}

.ranking-item--skeleton .ranking-item__stats {
  width: 40%;
  height: 12px;
}

.ranking-item--skeleton .ranking-item__value {
  width: 60px;
  height: 20px;
}

@keyframes skeleton-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* 空态 */
.reports-ranking__empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-8) var(--spacing-4);
  text-align: center;
}

.reports-ranking__empty-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-3);
}

.reports-ranking__empty-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0;
}

/* ========== 分时数据 ========== */
.reports-hourly {
  margin-bottom: var(--spacing-6);
  padding: var(--spacing-5);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-lg);
}

.reports-hourly__header {
  margin-bottom: var(--spacing-4);
}

.reports-hourly__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0;
}

.reports-hourly__chart {
  min-height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.reports-hourly__placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-2);
  color: var(--color-text-tertiary);
}

.reports-hourly__placeholder-icon {
  font-size: 48px;
}

.reports-hourly__placeholder-text {
  font-size: var(--font-size-sm);
}

/* 分时图表 */
.hourly-chart-container {
  width: 100%;
}

.hourly-bars {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 120px;
}

.hourly-bar {
  flex: 1;
  min-width: 0;
  background: var(--color-info);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  position: relative;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.hourly-bar:hover {
  background: var(--color-info-hover);
}

.hourly-bar__label {
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

/* ========== 响应式 ========== */
@media (max-width: 1200px) {
  .reports-metrics__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 1024px) {
  .reports-metrics__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .reports-header {
    flex-direction: column;
    gap: var(--spacing-4);
  }

  .reports-header__actions {
    width: 100%;
  }

  .reports-header__btn {
    flex: 1;
    justify-content: center;
  }

  .reports-filters__period {
    flex-wrap: wrap;
  }

  .reports-filters__btn {
    flex: 1;
    min-width: calc(50% - var(--spacing-1));
    text-align: center;
  }

  .reports-filters__custom {
    flex-wrap: wrap;
  }

  .reports-filters__date {
    flex: 1;
    min-width: 0;
  }

  .reports-metrics__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .reports-chart__header {
    flex-direction: column;
    gap: var(--spacing-3);
    align-items: flex-start;
  }

  .reports-chart__tabs {
    width: 100%;
    overflow-x: auto;
  }

  .reports-ranking__header {
    flex-direction: column;
    gap: var(--spacing-3);
    align-items: flex-start;
  }

  .reports-ranking__select {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .reports-metrics__grid {
    grid-template-columns: 1fr;
  }
}

/* ========== 辅助类 ========== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}