/* ========== 仪表盘网格 ========== */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 18px;
  height: calc(100vh - 260px);
  overflow: hidden;
}

.dashboard-grid .card-lg {
  grid-row: span 2;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.dashboard-grid .card:not(.card-lg) {
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* ========== 实时动态 ========== */
.realtime-feed {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
  overflow-y: auto;
  min-height: 0;
}

.realtime-feed::-webkit-scrollbar {
  width: 3px;
}

.realtime-feed::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

.feed-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid transparent;
  transition: all 0.25s;
  animation: slideIn 0.4s ease;
}

.feed-item:hover {
  background: var(--bg-secondary);
  border-color: var(--border);
}

.feed-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  margin-top: 5px;
  flex-shrink: 0;
}

.feed-dot.danger { background: var(--red); }
.feed-dot.warning { background: var(--amber); }
.feed-dot.info { background: var(--plum); }
.feed-dot.success { background: var(--sage); }

.feed-content {
  flex: 1;
}

.feed-title {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 3px;
}

.feed-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ========== 热力图 ========== */
.heatmap-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 10px;
  flex: 1;
}

.heatmap-cell {
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.25s;
  border: 1px solid var(--border);
  background: var(--bg-card);
  min-height: 0;
}

.heatmap-cell:hover {
  transform: scale(1.06);
  box-shadow: var(--shadow-md);
}

.heatmap-cell .building-name {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.heatmap-cell .health-score {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
}

/* ========== 趋势图 ========== */
.chart-container {
  flex: 1;
  position: relative;
  overflow: visible;
  min-height: 0;
}

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

/* 趋势图交互 */
.trend-svg {
  cursor: crosshair;
}

.trend-point {
  cursor: pointer;
}

.trend-point:hover .trend-dot {
  filter: drop-shadow(0 0 4px rgba(212, 113, 78, 0.6));
}

.trend-tooltip {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.78rem;
  color: var(--text-secondary);
  box-shadow: var(--shadow-md);
  pointer-events: none;
  opacity: 0;
  transform: translateY(4px);
  transition: all 0.2s ease;
  z-index: 10;
  white-space: nowrap;
}

.trend-tooltip.visible {
  opacity: 1;
  transform: translateY(0);
}

.trend-tooltip strong {
  color: var(--text-primary);
  display: block;
  margin-bottom: 4px;
}

.trend-tooltip span {
  color: var(--accent);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.92rem;
}

/* ========== 可点击统计卡片 ========== */
.stat-card.clickable {
  cursor: pointer;
}

.stat-card.clickable:hover {
  border-color: var(--accent);
}

/* ========== 维修工单弹窗 ========== */
.workorder-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.3s ease;
}

.workorder-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(26, 22, 18, 0.6);
  backdrop-filter: blur(8px);
}

.workorder-container {
  position: relative;
  width: 90%;
  max-width: 800px;
  max-height: 80vh;
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  animation: slideUp 0.4s ease;
}

.workorder-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px;
  border-bottom: 1px solid var(--border);
}

.workorder-header h2 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.workorder-header p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.workorder-close {
  width: 36px;
  height: 36px;
  border: none;
  background: var(--bg-hover);
  border-radius: 50%;
  color: var(--text-secondary);
  font-size: 1.2rem;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.workorder-close:hover {
  background: var(--accent-dim);
  color: var(--accent);
  transform: rotate(90deg);
}

.workorder-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 20px 28px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.workorder-stat {
  text-align: center;
}

.workorder-stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.workorder-stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.workorder-list {
  flex: 1;
  overflow-y: auto;
  padding: 20px 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.workorder-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: all 0.2s ease;
}

.workorder-item:hover {
  border-color: var(--accent-border);
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}

.workorder-status {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.workorder-status.completed { background: var(--sage); }
.workorder-status.processing { background: var(--amber); }
.workorder-status.pending { background: var(--red); }

.workorder-info {
  flex: 1;
  min-width: 0;
}

.workorder-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.workorder-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  gap: 12px;
}

.workorder-tag {
  padding: 4px 10px;
  border-radius: 16px;
  font-size: 0.7rem;
  font-weight: 600;
  white-space: nowrap;
}

.workorder-tag.completed {
  background: var(--sage-dim);
  color: var(--sage);
}

.workorder-tag.processing {
  background: var(--amber-dim);
  color: var(--amber);
}

.workorder-tag.pending {
  background: var(--red-dim);
  color: var(--red);
}