:root {
  --history-total: #c7d8dc;
  --history-song: #43dfc7;
  --history-lyrics: #47aeea;
  --history-team: #f1bd66;
  --history-daily: #ff9066;
  --history-party: #a98af5;
  --history-space-xs: 4px;
  --history-space-sm: 8px;
  --history-space-md: 12px;
  --history-space-lg: 16px;
  --history-space-xl: 24px;
  --history-space-2xl: 32px;
  --history-space-3xl: 48px;
}

.admin-history-skip-link {
  position: fixed;
  z-index: 30;
  top: var(--history-space-md);
  left: var(--history-space-md);
  transform: translateY(-160%);
  border-radius: 8px;
  padding: var(--history-space-md) var(--history-space-lg);
  color: #031115;
  background: var(--accent);
  font-weight: 800;
  transition: transform 160ms ease-out;
}

.admin-history-skip-link:focus {
  transform: translateY(0);
}

.admin-history-shell {
  width: min(1480px, calc(100% - 32px));
  padding-bottom: max(var(--history-space-3xl), env(safe-area-inset-bottom));
}

.admin-history-header {
  align-items: start;
}

.admin-history-header .request-subtitle {
  max-width: 70ch;
}

.admin-history-header .top-link,
.admin-history-header .language-control select {
  min-height: 44px;
}

.admin-history-panel {
  display: grid;
  gap: var(--history-space-lg);
}

.admin-history-panel .panel {
  box-shadow: none;
}

.admin-history-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--history-space-lg);
  border-block: 1px solid var(--line);
  padding: var(--history-space-md) 0;
}

.admin-history-range-group,
.admin-history-metric-tabs,
.admin-history-legend,
.admin-history-pagination {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--history-space-sm);
}

.admin-history-range-btn,
.admin-history-metric-tab,
.admin-history-legend-btn {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: rgba(5, 16, 23, 0.72);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: border-color 160ms ease-out, color 160ms ease-out, background 160ms ease-out;
}

.admin-history-range-btn {
  padding: 0 var(--history-space-lg);
}

.admin-history-range-btn:hover,
.admin-history-metric-tab:hover,
.admin-history-legend-btn:hover {
  color: var(--text);
  border-color: rgba(67, 223, 199, 0.42);
  background: rgba(67, 223, 199, 0.07);
}

.admin-history-range-btn:focus-visible,
.admin-history-metric-tab:focus-visible,
.admin-history-legend-btn:focus-visible,
.admin-history-chart:focus-visible,
.admin-history-pagination button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.admin-history-range-btn:active,
.admin-history-metric-tab:active,
.admin-history-legend-btn:active {
  background: rgba(67, 223, 199, 0.14);
}

.admin-history-range-btn.is-active,
.admin-history-metric-tab.is-active {
  color: #031115;
  border-color: var(--accent);
  background: var(--accent);
}

.admin-history-freshness {
  display: flex;
  align-items: baseline;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: var(--history-space-sm);
  color: var(--muted);
  font-size: 0.875rem;
  font-variant-numeric: tabular-nums;
}

.admin-history-freshness strong {
  color: var(--text);
  font-size: 0.875rem;
}

.admin-history-freshness-divider {
  width: 1px;
  height: 18px;
  margin-inline: var(--history-space-xs);
  background: var(--line);
}

.admin-history-explorer,
.admin-history-table-panel {
  padding: var(--history-space-xl);
}

.admin-history-explorer-head,
.admin-history-table-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--history-space-lg);
}

.admin-history-explorer h2,
.admin-history-table-panel h2 {
  margin: 0;
  font-family: "Rajdhani", "Exo 2", sans-serif;
  font-size: 1.75rem;
  line-height: 1.15;
}

.admin-history-metric-tabs {
  flex: 0 0 auto;
}

.admin-history-metric-tab {
  padding: 0 var(--history-space-lg);
}

.admin-history-legend {
  margin-top: var(--history-space-xl);
}

.admin-history-legend-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--history-space-sm);
  padding: 0 var(--history-space-md);
}

.admin-history-legend-btn::before {
  content: "";
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  border-radius: 999px;
  background: var(--series-color, var(--muted));
}

.admin-history-legend-btn[aria-pressed="false"] {
  color: var(--dim);
  background: transparent;
}

.admin-history-legend-btn[aria-pressed="false"]::before {
  background: transparent;
  box-shadow: inset 0 0 0 2px var(--series-color, var(--dim));
}

.admin-history-legend-btn:disabled {
  cursor: default;
  opacity: 0.72;
}

.admin-history-visual {
  display: grid;
  gap: var(--history-space-lg);
  margin-top: var(--history-space-lg);
}

.admin-history-chart-column {
  min-width: 0;
}

.admin-history-chart-shell {
  position: relative;
  min-height: 320px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #08151e;
}

.admin-history-chart {
  display: block;
  width: 100%;
  min-height: 320px;
  touch-action: pan-y;
  cursor: crosshair;
}

.admin-history-chart:focus-visible {
  outline-offset: -3px;
  border-radius: 8px;
}

.admin-history-chart-grid-line {
  stroke: rgba(158, 183, 186, 0.14);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.admin-history-chart-axis-label {
  fill: #9eb7ba;
  font-family: "Exo 2", sans-serif;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.admin-history-chart-series {
  fill: none;
  stroke: var(--series-color);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.admin-history-chart-cursor {
  stroke: rgba(237, 248, 246, 0.72);
  stroke-width: 1;
  stroke-dasharray: 4 4;
  vector-effect: non-scaling-stroke;
}

.admin-history-chart-point {
  fill: #08151e;
  stroke: var(--series-color);
  stroke-width: 2.5;
  vector-effect: non-scaling-stroke;
}

.admin-history-chart-skeleton {
  position: absolute;
  inset: var(--history-space-xl);
  display: grid;
  align-content: space-evenly;
  gap: var(--history-space-xl);
  pointer-events: none;
}

.admin-history-chart-skeleton span {
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(158, 183, 186, 0.06), rgba(158, 183, 186, 0.16), rgba(158, 183, 186, 0.06));
  background-size: 220% 100%;
  animation: admin-history-skeleton 1.4s linear infinite;
}

.admin-history-chart-shell:not(.is-loading) .admin-history-chart-skeleton {
  display: none;
}

.admin-history-chart-shell.is-loading .admin-history-chart {
  visibility: hidden;
}

@keyframes admin-history-skeleton {
  to { background-position: -220% 0; }
}

.admin-history-empty {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  gap: var(--history-space-sm);
  padding: var(--history-space-xl);
  text-align: center;
}

.admin-history-empty strong {
  color: var(--text);
  font-size: 1.125rem;
}

.admin-history-empty p {
  max-width: 52ch;
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.admin-history-gap-note {
  margin: var(--history-space-md) 0 0;
  color: #ffe4b4;
  font-size: 0.875rem;
  line-height: 1.55;
}

.admin-history-inspector {
  align-self: stretch;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: var(--history-space-lg);
  background: rgba(8, 21, 30, 0.78);
}

.admin-history-inspector-head {
  display: grid;
  gap: var(--history-space-sm);
  padding-bottom: var(--history-space-lg);
  border-bottom: 1px solid var(--line);
}

.admin-history-inspector-head span {
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 700;
}

.admin-history-inspector-head strong {
  color: var(--text);
  font-size: 1.125rem;
  line-height: 1.35;
  font-variant-numeric: tabular-nums;
}

.admin-history-inspector-values {
  margin: 0;
}

.admin-history-inspector-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--history-space-md);
  min-height: 52px;
  margin: 0;
  border-bottom: 1px solid rgba(158, 183, 186, 0.12);
}

.admin-history-inspector-row dt,
.admin-history-inspector-row dd {
  margin: 0;
}

.admin-history-inspector-row dt {
  display: flex;
  align-items: center;
  gap: var(--history-space-sm);
  min-width: 0;
  color: var(--muted);
  font-size: 0.9375rem;
}

.admin-history-inspector-row dt::before {
  content: "";
  width: 9px;
  height: 9px;
  flex: 0 0 auto;
  border-radius: 999px;
  background: var(--series-color, var(--muted));
}

.admin-history-inspector-row dd {
  color: var(--text);
  font-size: 1.125rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.admin-history-inspector-hint {
  margin: var(--history-space-lg) 0 0;
  color: var(--dim);
  font-size: 0.8125rem;
  line-height: 1.55;
}

.admin-history-table-head {
  align-items: end;
  margin-bottom: var(--history-space-lg);
}

.admin-history-page-status {
  color: var(--muted);
  font-size: 0.875rem;
  font-variant-numeric: tabular-nums;
}

.admin-history-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.admin-history-table {
  width: 100%;
  min-width: 780px;
  border-collapse: collapse;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.admin-history-table th,
.admin-history-table td {
  padding: var(--history-space-md) var(--history-space-lg);
  border-bottom: 1px solid rgba(158, 183, 186, 0.13);
  text-align: right;
  white-space: nowrap;
}

.admin-history-table th:first-child,
.admin-history-table td:first-child {
  position: sticky;
  left: 0;
  z-index: 1;
  text-align: left;
  background: #0b1922;
}

.admin-history-table th {
  color: var(--muted);
  background: rgba(7, 17, 25, 0.94);
  font-size: 0.8125rem;
  font-weight: 800;
}

.admin-history-table td {
  font-size: 0.9375rem;
}

.admin-history-table tbody tr:last-child td {
  border-bottom: 0;
}

.admin-history-table tbody tr:hover td {
  background: rgba(67, 223, 199, 0.05);
}

.admin-history-table tbody tr:hover td:first-child {
  background: #0d222a;
}

.admin-history-table-empty td {
  padding: var(--history-space-2xl);
  color: var(--muted);
  text-align: center !important;
  white-space: normal;
}

.admin-history-pagination {
  justify-content: flex-end;
  margin-top: var(--history-space-lg);
}

.admin-history-pagination .soft-btn {
  min-height: 44px;
  min-width: 88px;
}

.admin-history-pagination .soft-btn:disabled {
  opacity: 0.42;
  cursor: not-allowed;
}

#adminHistoryPageNumber {
  min-width: 112px;
  color: var(--muted);
  text-align: center;
  font-size: 0.875rem;
  font-variant-numeric: tabular-nums;
}

.admin-history-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

@media (min-width: 1280px) {
  .admin-history-visual {
    grid-template-columns: minmax(0, 1fr) 300px;
  }
}

@media (max-width: 920px) {
  .admin-history-toolbar,
  .admin-history-explorer-head,
  .admin-history-table-head {
    align-items: stretch;
    flex-direction: column;
  }

  .admin-history-range-group,
  .admin-history-metric-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: var(--history-space-xs);
  }

  .admin-history-range-btn,
  .admin-history-metric-tab {
    flex: 0 0 auto;
  }

  .admin-history-freshness {
    justify-content: flex-start;
  }
}

@media (max-width: 760px) {
  .admin-history-shell {
    width: min(100% - 20px, 1480px);
    padding-top: var(--history-space-lg);
  }

  .admin-history-explorer,
  .admin-history-table-panel {
    padding: var(--history-space-lg);
  }

  .admin-history-chart-shell {
    min-height: 220px;
  }

  .admin-history-chart {
    min-height: 0;
  }

  .admin-history-table-wrap {
    overflow: visible;
    border: 0;
  }

  .admin-history-table {
    display: block;
    min-width: 0;
  }

  .admin-history-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
  }

  .admin-history-table tbody,
  .admin-history-table tr,
  .admin-history-table td {
    display: block;
  }

  .admin-history-table tbody {
    display: grid;
    gap: var(--history-space-md);
  }

  .admin-history-table tbody tr {
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: var(--history-space-md);
    background: rgba(8, 21, 30, 0.72);
  }

  .admin-history-table td,
  .admin-history-table td:first-child {
    position: static;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--history-space-md);
    padding: var(--history-space-sm) 0;
    border-bottom: 1px solid rgba(158, 183, 186, 0.12);
    background: transparent;
    text-align: right;
    white-space: normal;
  }

  .admin-history-table td:last-child {
    border-bottom: 0;
  }

  .admin-history-table td::before {
    content: attr(data-label);
    color: var(--muted);
    text-align: left;
    font-size: 0.8125rem;
    font-weight: 800;
  }

  .admin-history-table tbody tr:hover td,
  .admin-history-table tbody tr:hover td:first-child {
    background: transparent;
  }

  .admin-history-table-empty td {
    display: block;
    padding: var(--history-space-xl);
    border: 0;
    text-align: center !important;
  }

  .admin-history-table-empty td::before {
    content: none;
  }

  .admin-history-pagination {
    justify-content: space-between;
  }
}

@media (max-width: 560px) {
  .admin-history-header .request-toolbar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .admin-history-header .language-control,
  .admin-history-header #adminHistoryBackLink {
    grid-column: 1 / -1;
  }

  .admin-history-header .language-control select {
    width: min(210px, calc(100vw - 105px));
  }
}

@media (max-width: 520px) {
  .admin-history-range-group,
  .admin-history-metric-tabs {
    display: grid;
    overflow: visible;
  }

  .admin-history-range-group {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .admin-history-metric-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .admin-history-range-btn,
  .admin-history-metric-tab {
    padding-inline: var(--history-space-sm);
  }

  .admin-history-legend-btn {
    flex: 1 1 calc(50% - var(--history-space-sm));
    justify-content: flex-start;
  }

  .admin-history-freshness-divider {
    display: none;
  }

  .admin-history-freshness {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
  }

  .admin-history-inspector-row {
    min-height: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .admin-history-skip-link,
  .admin-history-range-btn,
  .admin-history-metric-tab,
  .admin-history-legend-btn,
  .admin-history-header .top-link,
  .admin-history-pagination .soft-btn {
    transition: none;
    transform: none;
  }

  .admin-history-chart-skeleton span {
    animation: none;
  }
}