:root {
  --z-primary: #0078d4;
  --z-primary-dark: #005a9e;
  --z-success: #107c10;
  --z-warning: #ffb900;
  --z-danger: #d13438;
  --z-info: #2b88d8;

  --z-neutral-900: #201f1e;
  --z-neutral-700: #605e5c;
  --z-neutral-500: #a19f9d;
  --z-neutral-200: #edebe9;
  --z-neutral-100: #f3f2f1;
  --z-surface: #ffffff;
  --z-bg: #faf9f8;

  --z-space-xs: 4px;
  --z-space-sm: 8px;
  --z-space-md: 16px;
  --z-space-lg: 24px;
  --z-space-xl: 32px;

  --z-radius-sm: 4px;
  --z-radius-md: 8px;
  --z-shadow-card: 0 1px 2px rgba(0, 0, 0, 0.06);

  --z-font: "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --z-font-sm: 12px;
  --z-font-md: 14px;
  --z-font-lg: 16px;
  --z-font-xl: 28px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--z-font);
  font-size: var(--z-font-md);
  color: var(--z-neutral-900);
  background: var(--z-bg);
}

.app-shell {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--z-space-lg);
  display: grid;
  gap: var(--z-space-md);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--z-space-md);
  flex-wrap: wrap;
}

.page-title {
  margin: 0 0 var(--z-space-xs);
  font-size: var(--z-font-xl);
  font-weight: 600;
  line-height: 1.2;
}

.page-subtitle {
  margin: 0;
  color: var(--z-neutral-700);
}

.z-card {
  background: var(--z-surface);
  border: 1px solid var(--z-neutral-200);
  border-radius: var(--z-radius-md);
  padding: var(--z-space-md);
  box-shadow: var(--z-shadow-card);
}

.section-title {
  margin: 0 0 var(--z-space-md);
  font-size: var(--z-font-lg);
  font-weight: 600;
}

.filters-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(180px, 1fr));
  gap: var(--z-space-md);
}

.filters-grid-6 {
  grid-template-columns: repeat(6, minmax(150px, 1fr));
}

.z-field {
  display: grid;
  gap: var(--z-space-xs);
}

.z-field span {
  color: var(--z-neutral-700);
  font-size: var(--z-font-sm);
  font-weight: 600;
}

.z-input,
.z-select {
  width: 100%;
  height: 36px;
  border: 1px solid var(--z-neutral-500);
  border-radius: var(--z-radius-sm);
  background: #fff;
  color: var(--z-neutral-900);
  padding: 0 var(--z-space-sm);
  font-family: inherit;
  font-size: var(--z-font-md);
}

.z-input:focus,
.z-select:focus {
  border-color: var(--z-primary);
  outline: 2px solid rgba(0, 120, 212, 0.2);
  outline-offset: 0;
}

.z-btn {
  height: 36px;
  padding: 0 14px;
  border: 1px solid transparent;
  border-radius: var(--z-radius-sm);
  font-family: inherit;
  font-size: var(--z-font-md);
  font-weight: 600;
  cursor: pointer;
}

.z-btn-primary {
  background: var(--z-primary);
  color: #fff;
}

.z-btn-primary:hover {
  background: var(--z-primary-dark);
}

.z-btn-secondary {
  background: #fff;
  color: var(--z-neutral-900);
  border-color: var(--z-neutral-500);
}

.z-btn-secondary:hover {
  background: var(--z-neutral-100);
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(180px, 1fr));
  gap: var(--z-space-md);
}

.kpi-label {
  color: var(--z-neutral-700);
  margin-bottom: var(--z-space-xs);
}

.kpi-value {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: var(--z-space-sm);
}

.z-badge {
  display: inline-block;
  font-size: var(--z-font-sm);
  line-height: 1;
  padding: 6px 8px;
  border-radius: 999px;
  border: 1px solid transparent;
}

.z-badge-warning {
  background: rgba(255, 185, 0, 0.12);
  color: #7a5b00;
}

.z-badge-danger {
  background: rgba(209, 52, 56, 0.12);
  color: #7f1d1f;
}

.z-badge-info {
  background: rgba(43, 136, 216, 0.12);
  color: #11487c;
}

.z-badge-success {
  background: rgba(16, 124, 16, 0.14);
  color: #0a4f0a;
}

.z-badge-neutral {
  background: var(--z-neutral-100);
  color: var(--z-neutral-700);
  border-color: var(--z-neutral-200);
}

.z-alert {
  padding: var(--z-space-sm) var(--z-space-md);
  border-radius: var(--z-radius-sm);
  font-size: var(--z-font-sm);
}

.z-alert-info {
  background: rgba(43, 136, 216, 0.12);
  color: #11487c;
}

.row {
  display: flex;
  align-items: center;
}

.row-space {
  justify-content: space-between;
  gap: var(--z-space-md);
  flex-wrap: wrap;
}

.gap-sm {
  gap: var(--z-space-sm);
}

.top-gap {
  margin-top: var(--z-space-md);
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(220px, 1fr));
  gap: var(--z-space-md);
}

.z-link-btn {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

.inline-field {
  display: inline-flex;
  align-items: center;
  gap: var(--z-space-sm);
  color: var(--z-neutral-700);
  font-size: var(--z-font-sm);
}

.z-select-inline {
  width: auto;
  min-width: 120px;
}

.z-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 3px 8px;
  font-size: var(--z-font-sm);
  line-height: 1.1;
}

.z-pill-neutral {
  background: var(--z-neutral-100);
  color: var(--z-neutral-700);
  border-color: var(--z-neutral-200);
}

.z-pill-depot {
  background: rgba(0, 120, 212, 0.12);
  color: #0f548d;
}

.z-pill-home {
  background: rgba(16, 124, 16, 0.12);
  color: #0a4f0a;
}

.z-pill-public {
  background: rgba(255, 185, 0, 0.15);
  color: #7a5b00;
}

.z-status-text {
  min-height: 18px;
  font-size: var(--z-font-sm);
}

.z-status-loading {
  color: #0f548d;
}

.z-status-ready {
  color: #0a4f0a;
}

.z-status-error {
  color: #7f1d1f;
}

.z-status-stale {
  color: #7a5b00;
}

.chart-help {
  margin: var(--z-space-sm) 0 0;
  color: var(--z-neutral-700);
  font-size: var(--z-font-sm);
}

.table-wrap {
  overflow-x: auto;
}

.z-table {
  width: 100%;
  border-collapse: collapse;
}

.z-table th,
.z-table td {
  text-align: left;
  border-bottom: 1px solid var(--z-neutral-200);
  padding: 10px;
  white-space: nowrap;
}

.z-table th {
  color: var(--z-neutral-700);
  font-size: var(--z-font-sm);
  font-weight: 600;
  background: var(--z-neutral-100);
}

.z-table tbody tr:hover {
  background: #f8fcff;
}

.z-table-empty,
.z-table-error {
  text-align: center;
  white-space: normal;
  padding: 20px;
}

.z-table-empty {
  color: var(--z-neutral-700);
}

.z-table-error {
  color: #7f1d1f;
}

.z-skeleton {
  display: inline-block;
  width: 100%;
  height: 14px;
  border-radius: 5px;
  background: linear-gradient(
    90deg,
    rgba(237, 235, 233, 0.65) 0%,
    rgba(243, 242, 241, 1) 50%,
    rgba(237, 235, 233, 0.65) 100%
  );
  background-size: 200% 100%;
  animation: zShimmer 1.1s linear infinite;
}

.z-chart-empty {
  color: var(--z-neutral-700);
  font-size: var(--z-font-sm);
}

.z-chart-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(44px, 1fr));
  gap: 8px;
  align-items: end;
  min-height: 190px;
}

.z-bar-group {
  display: grid;
  gap: 6px;
  align-items: end;
  border: 0;
  background: transparent;
  padding: 0;
  cursor: pointer;
  transition: transform 120ms ease;
}

.z-bar-group:hover {
  transform: translateY(-2px);
}

.z-bar-stack {
  border-radius: 6px;
  background: rgba(237, 235, 233, 0.35);
  border: 1px solid rgba(161, 159, 157, 0.28);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.z-bar-segment {
  display: block;
  width: 100%;
}

.z-bar-ac {
  background: rgba(0, 120, 212, 0.30);
}

.z-bar-dc {
  background: rgba(209, 52, 56, 0.72);
}

.z-bar-danger {
  background: rgba(209, 52, 56, 0.78);
}

.z-bar-label {
  font-size: 11px;
  color: var(--z-neutral-700);
  text-align: center;
}

.z-chart-rows {
  display: grid;
  gap: 8px;
}

.z-row-chart {
  display: grid;
  grid-template-columns: minmax(130px, 1.2fr) 4fr auto;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--z-neutral-200);
  border-radius: var(--z-radius-sm);
  background: #fff;
  padding: 8px 10px;
  cursor: pointer;
  text-align: left;
}

.z-row-chart:hover {
  background: #f8fcff;
}

.z-row-label {
  font-size: var(--z-font-sm);
  color: var(--z-neutral-900);
}

.z-row-bar {
  height: 10px;
  border-radius: 999px;
  background: rgba(161, 159, 157, 0.22);
  overflow: hidden;
}

.z-row-fill {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #2b88d8, #0078d4);
}

.z-row-fill-danger {
  background: linear-gradient(90deg, #d13438, #a4262c);
}

.z-row-value {
  font-size: var(--z-font-sm);
  color: var(--z-neutral-700);
}

.z-heatmap-grid {
  display: grid;
  grid-template-columns: 48px repeat(24, minmax(16px, 1fr));
  gap: 4px;
  align-items: center;
}

.z-heatmap-header {
  font-size: 10px;
  color: var(--z-neutral-700);
  text-align: center;
}

.z-heat-cell {
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 4px;
  min-height: 20px;
  font-size: 10px;
  color: #5c1a1d;
  cursor: pointer;
}

.z-heat-cell:hover {
  border-color: rgba(209, 52, 56, 0.6);
}

.z-drilldown-label {
  min-height: 18px;
  margin-bottom: 8px;
  color: #0f548d;
  font-size: var(--z-font-sm);
}

.z-drawer {
  margin-top: var(--z-space-md);
  border-top: 1px solid var(--z-neutral-200);
  padding-top: var(--z-space-md);
  display: none;
}

.z-drawer.is-open {
  display: block;
}

.z-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--z-space-sm);
  margin-bottom: var(--z-space-sm);
}

.z-drawer-title {
  margin: 0;
  font-size: var(--z-font-lg);
}

.z-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(180px, 1fr));
  gap: 10px var(--z-space-lg);
}

.z-detail-grid span {
  display: block;
  color: var(--z-neutral-700);
  font-size: var(--z-font-sm);
}

.z-detail-grid strong {
  display: block;
  margin-top: 2px;
  color: var(--z-neutral-900);
  font-size: var(--z-font-md);
}

@keyframes zShimmer {
  from {
    background-position: 0% 50%;
  }
  to {
    background-position: 200% 50%;
  }
}

@media (max-width: 1024px) {
  .filters-grid,
  .kpi-grid,
  .settings-grid {
    grid-template-columns: repeat(2, minmax(180px, 1fr));
  }

  .filters-grid-6 {
    grid-template-columns: repeat(3, minmax(160px, 1fr));
  }

  .z-detail-grid {
    grid-template-columns: 1fr;
  }

  .z-row-chart {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .app-shell {
    padding: var(--z-space-md);
  }

  .filters-grid,
  .kpi-grid,
  .settings-grid {
    grid-template-columns: 1fr;
  }

  .filters-grid-6 {
    grid-template-columns: 1fr;
  }

  .z-chart-grid {
    grid-template-columns: repeat(auto-fit, minmax(28px, 1fr));
  }

  .z-heatmap-grid {
    overflow-x: auto;
    display: block;
  }
}