/* ===== KPI Grid ===== */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.kpi-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  padding: 20px;
  transition: box-shadow 0.2s, transform 0.15s;
}
.kpi-card:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }
.kpi-card[data-color="blue"] { border-top: 3px solid var(--blue); }
.kpi-card[data-color="amber"] { border-top: 3px solid var(--amber); }
.kpi-card[data-color="red"] { border-top: 3px solid var(--red); }
.kpi-card[data-color="slate"] { border-top: 3px solid var(--slate); }

.kpi-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.kpi-label { font-size: 12px; color: var(--text-tertiary); font-weight: 500; }
.kpi-icon {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
}
.kpi-icon.green-bg { background: none; color: var(--green); }
.kpi-icon.amber-bg { background: none; color: var(--amber); }
.kpi-icon.red-bg { background: none; color: var(--red); }
.kpi-icon.cyan-bg { background: none; color: var(--cyan); }
.kpi-icon.purple-bg { background: none; color: var(--purple); }
.kpi-icon.blue-bg { background: none; color: var(--blue); }
.kpi-icon.pink-bg { background: none; color: var(--pink); }
.green-bg { background: var(--green-bg); color: var(--green); }
.amber-bg { background: var(--amber-bg); color: var(--amber); }
.red-bg { background: var(--red-bg); color: var(--red); }
.cyan-bg { background: var(--cyan-bg); color: var(--cyan); }
.purple-bg { background: var(--purple-bg); color: var(--purple); }
.blue-bg { background: var(--blue-bg); color: var(--blue); }
.pink-bg { background: var(--pink-bg); color: var(--pink); }

.kpi-value {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}
.kpi-value.amber { color: var(--amber-dark); }
.kpi-value.cyan { color: var(--blue); }
.kpi-value.red { color: var(--red); }
.kpi-value.purple { color: var(--slate); }
.kpi-value.blue { color: var(--blue); }
.kpi-unit { font-size: 14px; font-weight: 500; color: var(--text-tertiary); margin-left: 2px; }

.kpi-footer {
  margin-top: 8px;
  font-size: 11px;
  color: var(--text-tertiary);
}

.kpi-progress {
  margin-top: 10px;
  height: 4px;
  border-radius: 2px;
  background: #E5E7EB;
  overflow: hidden;
}
.kpi-progress-bar {
  height: 100%;
  border-radius: 2px;
  transition: width 0.6s ease;
  background: linear-gradient(to right, #3B82F6, #60A5FA);
}

/* ===== Alerts ===== */
.alerts-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.alert-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius);
  font-size: 13px;
}
.alert-item.green { background: #ECFDF5; color: #065F46; }
.alert-item.amber { background: #FFFBEB; color: #92400E; }
.alert-item.red { background: #FEF2F2; color: #991B1B; }
.alert-item.cyan { background: #EFF6FF; color: #1E40AF; }
.alert-strong { font-weight: 600; }