/* 通用 UI 动效：轻量、克制，避免影响业务操作性能。 */
:root {
  --ease-operate: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow-soft: 0 8px 20px rgba(15, 23, 42, 0.08);
  --shadow-hover: 0 12px 26px rgba(15, 23, 42, 0.12);
}

.nav-group {
  padding: 0 0 10px;
}

.nav-group + .nav-group {
  margin-top: 10px;
  padding-top: 12px;
  border-top: 1px solid #eef3f8;
}

.nav-group-title {
  margin: 0 0 4px;
  padding: 0 20px;
  color: #8b98aa;
  font-size: 12px;
  font-weight: 700;
}

.panel-view.active {
  animation: panelEnter 220ms var(--ease-operate) both;
}

.panel-view.active.panel-enter-replay {
  animation: panelEnter 220ms var(--ease-operate) both;
}

@keyframes panelEnter {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.panel-view.active .card,
.panel-view.active .risk-signal,
.panel-view.active .sku-metric-card {
  animation: cardEnter 260ms var(--ease-operate) both;
}

.panel-view.active .card:nth-child(2),
.panel-view.active .risk-signal:nth-child(2),
.panel-view.active .sku-metric-card:nth-child(2) {
  animation-delay: 60ms;
}

.panel-view.active .card:nth-child(3),
.panel-view.active .risk-signal:nth-child(3),
.panel-view.active .sku-metric-card:nth-child(3) {
  animation-delay: 120ms;
}

.panel-view.active .card:nth-child(4),
.panel-view.active .risk-signal:nth-child(4),
.panel-view.active .sku-metric-card:nth-child(4) {
  animation-delay: 180ms;
}

.panel-view.active .card:nth-child(5),
.panel-view.active .risk-signal:nth-child(5),
.panel-view.active .sku-metric-card:nth-child(5) {
  animation-delay: 240ms;
}

@keyframes cardEnter {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.card,
.risk-signal,
.sku-metric-card,
.panel,
.shipping-chart-card,
.shipping-pie-card {
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.card:hover,
.risk-signal:hover,
.sku-metric-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.panel:hover,
.shipping-chart-card:hover,
.shipping-pie-card:hover {
  border-color: #b8c8da;
}

.tab {
  transition: background-color 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

button {
  transition: background-color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

button:hover {
  transform: translateY(-1px);
}

.line-series path,
.chart polyline {
  stroke-dasharray: 1600;
  stroke-dashoffset: 1600;
  animation: drawLine 800ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes drawLine {
  to {
    stroke-dashoffset: 0;
  }
}

.shipping-line-point,
.chart-point {
  opacity: 0;
  animation: fadePoint 360ms ease-out 420ms forwards;
}

@keyframes fadePoint {
  to {
    opacity: 1;
  }
}

.is-refreshing {
  animation: spinRefresh 650ms linear infinite;
}

@keyframes spinRefresh {
  to {
    transform: rotate(360deg);
  }
}

body.is-loading main {
  position: relative;
}

body.is-loading main::before {
  content: "";
  position: fixed;
  top: 56px;
  left: 204px;
  right: 0;
  height: 3px;
  z-index: 30;
  background: linear-gradient(90deg, transparent, #1d75d8, transparent);
  animation: loadingBar 900ms ease-in-out infinite;
}

@keyframes loadingBar {
  from {
    transform: translateX(-70%);
  }
  to {
    transform: translateX(70%);
  }
}

.skeleton-card {
  position: relative;
  overflow: hidden;
}

.skeleton-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.62), transparent);
  transform: translateX(-100%);
  animation: shimmer 1.2s ease-in-out infinite;
}

@keyframes shimmer {
  to {
    transform: translateX(100%);
  }
}

.insight-panel {
  margin-bottom: 14px;
}

.insight-list {
  display: grid;
  gap: 8px;
}

.insight-item {
  display: grid;
  grid-template-columns: 8px 1fr;
  gap: 10px;
  align-items: start;
  padding: 8px 10px;
  border: 1px solid #e4ebf3;
  border-radius: 6px;
  background: #fbfdff;
  color: #45566c;
  font-size: 13px;
}

.insight-item span {
  width: 8px;
  height: 8px;
  margin-top: 6px;
  border-radius: 50%;
  background: #9aa8b8;
}

.insight-item.warning span {
  background: #d97706;
}

.insight-item.danger span {
  background: #d92d20;
}

.insight-item.normal span {
  background: #16885f;
}

.insight-item p {
  margin: 0;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}

.status-pill.ok {
  background: #e8f7f0;
  color: #16885f;
}

.status-pill.warning {
  background: #fff4e5;
  color: #b45309;
}

.status-pill.danger {
  background: #feeceb;
  color: #d92d20;
}

.status-pill.neutral {
  background: #eef3f8;
  color: #667085;
}

.ui-toast {
  position: fixed;
  right: 18px;
  top: 70px;
  z-index: 100;
  padding: 10px 14px;
  border: 1px solid #c9d7e7;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-hover);
  color: #17212f;
  font-size: 13px;
  animation: toastEnter 180ms ease-out both;
}

@keyframes toastEnter {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
}

@media (max-width: 1100px) {
  body.is-loading main::before {
    left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}