/* 组件容器样式 */
:host {
  display: block;
  width: 100%;
  padding: 15px;
}

.dashboard {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
  background: white;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* 头部样式 */
.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid #eee;
}

.dashboard-header h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 24px;
  color: #2c3e50;
}

.time-display {
  background: #2c3e50;
  color: white;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* 指标网格样式 */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 20px;
}

.metric-card {
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 15px;
}

.metric-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: white;
}

.metric-icon.blue { background: #3498db; }
.metric-icon.green { background: #27ae60; }
.metric-icon.orange { background: #f39c12; }
.metric-icon.purple { background: #9b59b6; }

.metric-data h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 5px;
  color: #2c3e50;
}

.metric-value {
  font-size: 24px;
  font-weight: 700;
  color: #2c3e50;
}

.metric-label {
  font-size: 14px;
  color: #95a5a6;
}

/* 饼图样式 */
.pie-chart {
  display: flex;
  align-items: center;
  gap: 30px;
  padding: 20px 0;
}

.chart-container {
  width: 180px;
  height: 180px;
  position: relative;
  border-radius: 50%;
  background: conic-gradient(
    #27ae60 0% 80%,
    #f39c12 80% 95%,
    #e74c3c 95% 100%
  );
}

.chart-center {
  position: absolute;
  width: 100px;
  height: 100px;
  background: white;
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.chart-legend div {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 15px;
  font-size: 16px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
}

.dot.normal { background: #27ae60; }
.dot.warning { background: #f39c12; }
.dot.danger { background: #e74c3c; }

/* 警报样式 */
.alert-list {
  margin-top: 15px;
}

.alert-item {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 12px 16px;
  border-radius: 6px;
  margin-bottom: 10px;
  background: #f9f9f9;
  border-left: 4px solid;
}

.alert-item.critical {
  border-left-color: #e74c3c;
  background: #fdecea;
}

.alert-item.warning {
  border-left-color: #f39c12;
  background: #fef5e7;
}

.alert-item.info {
  border-left-color: #3498db;
  background: #ebf5fb;
}

.alert-item i {
  font-size: 20px;
}

.alert-item.critical i { color: #e74c3c; }
.alert-item.warning i { color: #f39c12; }
.alert-item.info i { color: #3498db; }

.alert-content {
  flex: 1;
}

.alert-content strong {
  display: block;
  font-weight: 600;
  margin-bottom: 3px;
}

.alert-content span {
  font-size: 13px;
  color: #95a5a6;
}

/* 趋势图样式 */
.trend-graph {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  height: 200px;
  padding: 20px;
  background: #f8fafc;
  border-radius: 6px;
  margin-top: 15px;
}

.graph-bar {
  flex: 1;
  background: #3498db;
  height: calc(var(--height) * 2px);
  border-radius: 4px 4px 0 0;
  position: relative;
}

/* 仪表板行布局 */
.dashboard-row {
  display: flex;
  gap: 20px;
  margin-bottom: 20px;
}

.chart-card, .alert-card {
  flex: 1;
  background: white;
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.trend-card {
  background: white;
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
/* 健康指数趋势卡片样式 */
.trend-card {
  background: white;
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
  border: 1px solid #eaeef2;
  position: relative;
  overflow: hidden;
}

.trend-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.12);
  border-color: #3498db;
}

.trend-card h3 {
  margin: 0 0 15px 0;
  font-size: 18px;
  color: #2c3e50;
  display: flex;
  align-items: center;
  gap: 10px;
}

.trend-card h3 i {
  color: #3498db;
  font-size: 20px;
}

.trend-description {
  font-size: 14px;
  color: #718096;
  margin-bottom: 20px;
  line-height: 1.5;
}

.trend-graph {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  height: 200px;
  padding: 20px;
  background: #f8fafc;
  border-radius: 8px;
  margin-top: 15px;
  position: relative;
}

.graph-bar {
  flex: 1;
  background: linear-gradient(to top, #3498db, #67b7f5);
  height: calc(var(--height) * 1.8px);
  border-radius: 6px 6px 0 0;
  position: relative;
  transition: all 0.4s ease;
  cursor: pointer;
  min-width: 30px;
}

.graph-bar:hover {
  transform: scaleY(1.05);
  box-shadow: 0 -4px 8px rgba(52, 152, 219, 0.3);
}

.graph-bar::after {
  content: attr(data-value);
  position: absolute;
  top: -25px;
  left: 50%;
  transform: translateX(-50%);
  background: #2c3e50;
  color: white;
  padding: 3px 8px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.graph-bar:hover::after {
  opacity: 1;
}

.time-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-size: 12px;
  color: #95a5a6;
  padding: 0 10px;
}

.trend-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 20px;
  padding-top: 15px;
  border-top: 1px solid #eaeef2;
}

.trend-summary {
  font-size: 14px;
  color: #718096;
}

.trend-change {
  display: flex;
  align-items: center;
  gap: 5px;
  font-weight: 600;
  font-size: 14px;
}

.trend-change.positive {
  color: #27ae60;
}

.trend-change.negative {
  color: #e74c3c;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .trend-card {
    padding: 15px;
  }

  .trend-graph {
    height: 160px;
    padding: 15px;
    gap: 8px;
  }

  .graph-bar {
    min-width: 20px;
  }
}