/**
 * 首页特有样式
 * 项目：上海市中小学校园食材集采平台
 */

/* ========== Banner 轮播 ========== */
.banner-carousel {
  width: 100%;
  position: relative;
  overflow: hidden;
  background: #f3f4f7;
}

.banner-carousel__inner {
  position: relative;
  width: 100%;
  height: 360px;
}

.banner-carousel__item {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease, visibility 0.5s ease;
  z-index: 1;
  background: #f3f4f7;
}

.banner-carousel__item.is-active {
  opacity: 1;
  visibility: visible;
  z-index: 2;
}

.banner-carousel__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
}

.banner-carousel__indicators {
  position: absolute;
  bottom: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-2);
  list-style: none;
  z-index: 10;
}

.banner-carousel__indicator {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.5);
  border: none;
  cursor: pointer;
  transition: background-color var(--duration-fast) var(--ease-default);
}

.banner-carousel__indicator.is-active {
  background: var(--color-bg);
}

.banner-carousel__control {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.3);
  border: none;
  border-radius: var(--radius-full);
  color: var(--color-text-white);
  font-size: 20px;
  cursor: pointer;
  transition: background-color var(--duration-fast) var(--ease-default);
  z-index: 100;
  appearance: none;
  -webkit-appearance: none;
}

.banner-carousel__control:hover {
  background: rgba(0, 0, 0, 0.5);
}

.banner-carousel__control:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.9);
  outline-offset: 2px;
  background: rgba(0, 0, 0, 0.5);
}

.banner-carousel__control:active {
  background: rgba(0, 0, 0, 0.6);
}

.banner-carousel__control .bi {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: inherit;
  font-size: 20px;
  line-height: 1;
  pointer-events: none;
}

.banner-carousel__control--prev {
  left: var(--space-4);
}

.banner-carousel__control--next {
  right: var(--space-4);
}

@media (max-width: 767px) {
  .banner-carousel__inner {
    height: 360px;
  }
}

/* ========== 统计区域 ========== */
.stats-section {
  margin-top: 30px;
  position: relative;
  z-index: var(--z-base);
}

.stats-section__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 992px) {
  .stats-section__grid {
    grid-template-columns: 1fr 200px;
  }
}

/* 统计卡片容器 - 左侧6个卡片 */
.stats-cards-wrapper {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

@media (max-width: 991px) {
  .stats-cards-wrapper {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .stats-cards-wrapper {
    grid-template-columns: 1fr;
  }
}

/* ========== 主内容区布局 ========== */
.main-content {
  margin-top: var(--space-4);
}

.main-content__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

@media (min-width: 992px) {
  .main-content__grid {
    grid-template-columns: 3fr 1fr;
  }
}

/* ========== 内容区块 ========== */
.content-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

/* 图表网格 */
.chart-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

@media (min-width: 768px) {
  .chart-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ========== 侧边栏 ========== */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}