/* SPDX-FileCopyrightText: Copyright (c) 2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved. */
/* SPDX-License-Identifier: Apache-2.0 */

/* Match the FPE support matrix's slate surfaces, indigo controls, and typography. */
:root,
[data-theme="dark"] {
  --bg: #0f172a;
  --panel: #1e293b;
  --elevated: #334155;
  --border: #334155;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --dim: #94a3b8;
  --accent: #818cf8;
  --accent-hover: #a5b4fc;
  --accent-soft: rgb(99 102 241 / 10%);
  --aisimulate: #a5b4fc;
  --aic: #5eead4;
  --danger: #fca5a5;
  color-scheme: dark;
}

[data-theme="light"] {
  --bg: #ffffff;
  --panel: #ffffff;
  --elevated: #f1f5f9;
  --border: #e2e8f0;
  --text: #1e293b;
  --muted: #64748b;
  --dim: #64748b;
  --accent: #6366f1;
  --accent-hover: #4f46e5;
  --accent-soft: rgb(99 102 241 / 6%);
  --aisimulate: #4f46e5;
  --aic: #0f766e;
  --danger: #dc2626;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
}

body {
  min-width: 320px;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji",
    "Segoe UI Symbol", "Noto Color Emoji";
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

.shell {
  width: 100%;
  max-width: 1600px;
  margin-inline: auto;
  padding-inline: 24px;
}

.top-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  box-shadow: 0 1px 2px rgb(0 0 0 / 5%);
}

.top-header-inner {
  display: flex;
  padding-block: 12px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  margin-right: auto;
  color: var(--text);
  text-decoration: none;
}

.brand a {
  text-decoration: none;
}

.brand h1 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.25;
}

.page-name {
  color: var(--muted);
  font-size: 14px;
}

.header-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  margin-left: auto;
}

.brand > a {
  flex: 0 0 32px;
}

.brand-logo {
  display: block;
  border-radius: 50%;
}

.source-nav {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 12px;
}

.source-nav a {
  text-decoration: none;
}

.source-nav a:hover,
.source-nav a:focus-visible {
  color: var(--text);
}

.theme-toggle {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  background: var(--elevated);
  color: var(--text);
}

.dashboard {
  padding-block: 24px 48px;
}

.identity-line {
  margin: 0 0 13px;
  color: var(--muted);
  font-size: 12px;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(120px, 1fr)) repeat(2, minmax(260px, 2.08fr));
  gap: 12px;
}

.summary-card,
.loading-card {
  min-height: 116px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
}

.loading-card {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 13px;
}

.summary-label {
  color: var(--muted);
  font-size: 12px;
}

.summary-value {
  margin-top: 8px;
  font-size: 21px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.summary-value.accent {
  color: var(--accent);
}

.accuracy-card {
  min-width: 0;
}

.accuracy-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 13px 30px;
  margin-top: 12px;
}

.accuracy-metric {
  min-width: 0;
}

.accuracy-name {
  display: block;
  margin-bottom: 7px;
  color: var(--aisimulate);
  font-size: 12px;
  font-weight: 600;
}

.accuracy-card.aic .accuracy-name {
  color: var(--aic);
}

.accuracy-number {
  color: var(--aisimulate);
  font-size: 19px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.accuracy-card.aic .accuracy-number {
  color: var(--aic);
}

.accuracy-kind {
  margin-left: 3px;
  color: var(--dim);
  font-size: 10px;
}

.matrix-panel {
  margin-top: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
}

.matrix-panel > h2 {
  margin: 0;
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.table-scroll {
  overflow: auto;
}

table {
  width: 100%;
  min-width: 1280px;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
}

th,
td {
  padding: 9px 16px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: middle;
}

th {
  background: var(--elevated);
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
}

td {
  color: var(--muted);
  font-size: 12px;
}

tbody tr:last-child td {
  border-bottom: 0;
}

.sort-button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  cursor: pointer;
  font: inherit;
  white-space: nowrap;
}

.sort-button span {
  display: inline-block;
  color: var(--dim);
  font-size: 10px;
}

.sort-button[data-sort-direction="desc"] span {
  transform: rotate(180deg);
}

.sort-button:hover,
.sort-button:focus-visible,
.sort-button[data-sort-direction="asc"],
.sort-button[data-sort-direction="desc"] {
  color: var(--text);
}

.sort-button[data-sort-direction="asc"] span,
.sort-button[data-sort-direction="desc"] span {
  display: inline-block;
  color: var(--accent);
}

.numeric,
.metric-cell,
.points-cell,
.count-cell {
  text-align: right;
}

.model-row {
  background: color-mix(in srgb, var(--elevated) 50%, var(--panel));
}

.model-row td {
  color: var(--text);
}

.model-name {
  display: block;
  min-width: 220px;
  max-width: 380px;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.matrix-panel table { min-width: 1000px; }
.mape-heading, .metric-cell { white-space: nowrap; }
.mape-heading { text-align: right; }

.mono {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

.workload-row {
  cursor: pointer;
  transition: background 120ms ease, box-shadow 120ms ease;
}

.workload-row:hover,
.workload-row:focus {
  background: var(--accent-soft);
  box-shadow: inset 3px 0 var(--accent);
  outline: none;
}

.workload-label,
.gpu-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding-left: 16px;
  white-space: nowrap;
}

.row-caret {
  display: inline-block;
  width: 10px;
  color: var(--dim);
  font-size: 9px;
}

.gpu-row {
  background: color-mix(in srgb, var(--bg) 65%, var(--panel));
}

.gpu-row td {
  color: var(--dim);
}

.gpu-label {
  padding-left: 46px;
}

.metric-cell {
  color: var(--text);
}

.loading-cell,
.empty-cell {
  padding: 44px;
  color: var(--muted);
  text-align: center;
}

.public-notes {
  margin-top: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
}

.public-notes summary {
  padding: 13px 16px;
  color: var(--muted);
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
}

.notes-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  padding: 4px 16px 18px;
  border-top: 1px solid var(--border);
}

.notes-grid article {
  padding-top: 14px;
}

.notes-grid h2 {
  margin: 0 0 8px;
  color: var(--text);
  font-size: 14px;
}

.notes-grid p,
.notes-grid li,
#provenance-content {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.notes-grid p {
  margin: 0;
}

.notes-grid ul {
  margin: 8px 0 0;
  padding-left: 18px;
}

#provenance-content code {
  display: block;
  overflow-wrap: anywhere;
  margin-top: 5px;
  color: var(--dim);
  font-size: 10px;
}

.error-banner {
  margin-top: 16px;
  padding: 13px 16px;
  border: 1px solid var(--danger);
  border-radius: 8px;
  color: var(--danger);
  font-size: 12px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 1180px) {
  .summary-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .accuracy-card {
    grid-column: span 2;
  }
}

@media (max-width: 760px) {
  .shell {
    padding-inline: 16px;
  }

  .header-controls {
    width: 100%;
  }

  .summary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .accuracy-card {
    grid-column: 1 / -1;
  }

  .notes-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}

.branch-control {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}

.download-link { display: inline-block; margin-top: 12px; color: var(--accent); }

.topology-control {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
}

select,
.drilldown button {
  max-width: 100%;
  min-width: 0;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--panel);
  color: var(--text);
  font: inherit;
}

select:focus-visible,
button:focus-visible,
.table-scroll:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.branch-status {
  margin: 0 0 12px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--accent-soft);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.migration-context {
  max-width: 1050px;
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.migration-context p { margin: 6px 0; }
.migration-context strong { color: var(--text); }
.matrix-layout { display: grid; gap: 16px; align-items: start; }
.matrix-panel { min-width: 0; }
.drilldown[hidden] { display: none; }
.drilldown {
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
}
.detail-heading { display: flex; justify-content: space-between; align-items: start; gap: 10px; }
.detail-heading h2 { margin: 0; font-size: 15px; line-height: 1.5; }
.detail-heading button { cursor: pointer; }
.detail-scope,
.detail-empty,
.coverage-text { color: var(--muted); font-size: 12px; line-height: 1.6; }
.detail-empty { padding: 12px; background: var(--accent-soft); }
.coverage-text { color: var(--text); }
#detail-permalink { display: inline-block; margin-bottom: 14px; font-size: 12px; }
.topology-control { margin-top: 6px; }
.gpu-button { border: 0; background: transparent; color: var(--text); cursor: pointer; padding: 4px 4px 4px 42px; font: inherit; white-space: nowrap; }
.gpu-row.selected { background: var(--accent-soft); box-shadow: inset 3px 0 var(--accent); }
.error-bars { display: grid; gap: 12px; margin: 20px 0; }
.error-bar { display: grid; grid-template-columns: 125px minmax(40px, 1fr) 55px; gap: 8px; align-items: center; font-size: 11px; }
.error-bar strong { text-align: right; font-variant-numeric: tabular-nums; }
.bar-track { height: 8px; background: var(--elevated); border-radius: 2px; }
.bar { display: block; height: 8px; border-radius: 2px; }
.bar.aisimulate { background: var(--aisimulate); }
.bar.aic { background: var(--aic); }
.chart-legend { display: flex; flex-wrap: wrap; gap: 14px; font-size: 11px; }
.chart-legend .measured { color: var(--text); }
.chart-legend .aisimulate { color: var(--aisimulate); }
.chart-legend .aic { color: var(--aic); }
.curve-chart { margin: 16px 0; }
.curve-chart figcaption { font-size: 13px; font-weight: 600; }
.curve-chart svg { width: 100%; display: block; }
.curve-chart text { fill: var(--muted); font-size: 10px; }
.axis { fill: none; stroke: var(--border); }
.curve { stroke-width: 2; }
.curve.measured { stroke: var(--text); }
.curve.aisimulate { stroke: var(--aisimulate); }
.curve.aic { stroke: var(--aic); stroke-dasharray: 5 3; }
.point.measured { fill: var(--text); }
.point.aisimulate { fill: var(--aisimulate); }
.point.aic { fill: var(--aic); }
.point-details summary { cursor: pointer; font-size: 13px; margin: 14px 0; }
.point-table { min-width: 950px; font-size: 11px; }
.point-table caption { text-align: left; font-size: 11px; color: var(--muted); line-height: 1.5; margin: 10px 0; }
.point-table th { white-space: normal; }
.point-table td { white-space: nowrap; }
a[aria-disabled="true"] { color: var(--dim); pointer-events: none; }

@media (min-width: 1200px) {
  .matrix-layout.has-details { grid-template-columns: minmax(0, 1fr) 460px; }
  .drilldown { position: sticky; top: 80px; max-height: calc(100vh - 92px); overflow-y: auto; }
}

.topology-control select { width: 100%; }

.branch-control select {
  max-width: min(320px, calc(100vw - 108px));
  padding: 4px 8px;
  border: 0;
  background: var(--elevated);
  font-size: 14px;
  font-weight: 400;
  line-height: 20px;
}

.github-link { display: flex; color: var(--muted); }
[data-theme="light"] .theme-sun,
[data-theme="dark"] .theme-moon { display: none; }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }
[data-theme="dark"] ::-webkit-scrollbar-thumb { background: #475569; }

[hidden] { display: none !important; }
.accuracy-tabs, .exclusions, .filter-toolbar, .chart-options, .chart-legend { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; margin-bottom: 16px; }
.accuracy-tabs { border-bottom: 1px solid var(--border); }
.accuracy-tabs button { padding: 12px 18px; border: 0; border-bottom: 3px solid transparent; background: none; color: var(--muted); cursor: pointer; }
.accuracy-tabs button[aria-pressed="true"] { color: var(--accent); border-color: var(--accent); }
.filter-toolbar { padding: 16px; border: 1px solid var(--border); border-radius: 8px; background: var(--panel); }
.filter-toolbar label { display: flex; flex-direction: column; gap: 5px; }
.filter-toolbar select { max-width: 460px; }
select, .chart-legend button, dialog button { background: var(--bg); color: var(--text); border: 1px solid var(--border); border-radius: 4px; padding: 6px; }
.chart-legend button { cursor: pointer; }
.chart-legend .legend-line { display: inline-block; width: 24px; color: inherit; border-top: 2px dotted currentColor; vertical-align: middle; }
.chart-legend .legend-line.measured { border-top-style: solid; }
.chart-legend button[aria-pressed="false"] { opacity: .4; text-decoration: line-through; }
.detail-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin: 16px 0; }
.detail-charts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin: 16px 0; }
.chart-panel { min-width: 0; padding: 14px; border: 1px solid var(--border); border-radius: 8px; }
.chart-panel h3 { margin: 0 0 16px; font-size: 14px; font-weight: 600; }
.chart-panel .chart-options { gap: 12px; margin: 12px 0 0; padding-top: 12px; border-top: 1px solid var(--border); }
.chart-options label { display: flex; flex-direction: column; gap: 4px; min-width: 0; font-size: 11px; color: var(--muted); }
.chart-options select { min-width: 0; max-width: 100%; font-size: 12px; }
.metric-chart svg { display: block; width: 100%; font-size: 13px; }
.metric-chart circle { cursor: pointer; }
.metric-chart circle:focus { stroke: var(--text); stroke-width: 3px; outline: none; }
.drilldown .detail-charts { grid-template-columns: 1fr; }
#details-view { padding: 20px; border: 1px solid var(--border); border-radius: 8px; background: var(--panel); }
dialog { max-width: 95vw; background: var(--panel); color: var(--text); border: 1px solid var(--border); border-radius: 8px; overflow: auto; }
dialog::backdrop { background: #0009; }
@media (max-width: 700px) { .detail-cards { grid-template-columns: 1fr; } .filter-toolbar select { max-width: 85vw; } }
.framework-summary { margin: 20px 0; }
.point-table .prediction-error { min-width: 220px; max-width: 360px; white-space: normal; overflow-wrap: anywhere; }
.framework-summary h2 { font-size: 14px; }
.framework-summary table { min-width: 760px; }
.framework-summary tbody th { background: transparent; color: var(--text); font-weight: 400; }
.framework-summary tbody tr:last-child > * { border-bottom: 1px solid var(--border); }
.framework-summary th[scope="rowgroup"] { vertical-align: top; }
.framework-summary tbody + tbody tr:first-child > * { border-top: 1px solid var(--border); }
#details-view, .filter-toolbar, .detail-cards > * { min-width: 0; }
#details-view { overflow: hidden; }
.metric-chart { width: 100%; }
.metric-chart .point { fill: inherit; }
.metric-chart .point.measured { fill: #f59e0b; }
.metric-chart .point.aisimulate { fill: #818cf8; }
.metric-chart .point.aic { fill: #14b8a6; }
.metric-chart .point[fill="#ec4899"] { fill: #ec4899; }

/* Keep selection and evidence compact so charts remain above the fold. */
.evidence-brief { margin: -4px 0 12px; color: var(--muted); font-size: 12px; }
#detail-filters { display: grid; grid-template-columns: minmax(180px, 2fr) repeat(5, minmax(90px, 1fr)) minmax(180px, 1.8fr); gap: 12px; padding: 12px; margin-bottom: 10px; align-items: end; }
#detail-filters label { min-width: 0; font-size: 12px; color: var(--muted); }
#detail-filters select { width: 100%; max-width: none; min-width: 0; height: 34px; color: var(--text); font-size: 13px; }
.exclusions { gap: 14px; margin-bottom: 14px; color: var(--muted); font-size: 12px; }
.exclusions label { display: inline-flex; align-items: center; gap: 5px; cursor: pointer; }
.exclusions input { margin: 0; accent-color: var(--accent); }
#outlier-count { font-variant-numeric: tabular-nums; }
#details-view h2 { margin: 0 0 6px; font-size: 18px; }
#details-view > p { margin: 6px 0; font-size: 12px; color: var(--muted); }
.public-notes > details > summary { cursor: pointer; color: var(--muted); }
.public-notes .migration-context { margin-top: 14px; }
@media (max-width: 1100px) {
  .detail-charts { grid-template-columns: 1fr; }
  .chart-panel { display: flex; flex-direction: column; align-items: stretch; }
  .chart-panel .metric-chart { max-width: 640px; align-self: center; }
  #detail-filters { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  #detail-filters .filter-topology { grid-column: span 2; }
}
@media (max-width: 600px) {
  #details-view { padding: 12px; }
  .chart-panel { padding: 10px; }
  .metric-chart svg { font-size: 16px; }
  #detail-filters { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  #detail-filters .filter-model, #detail-filters .filter-topology { grid-column: 1 / -1; }
  .exclusions { gap: 10px; }
}