:root {
  --bg: #0d1117;
  --bg-accent: #111827;
  --surface: #161b22;
  --surface-soft: #1c2128;
  --surface-strong: #21262d;
  --border: #30363d;
  --border-soft: rgba(240, 246, 252, 0.08);
  --ink: #e6edf3;
  --muted: #8b949e;
  --paper: #0d1117;
  --paper-strong: #ffffff;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.34);
  --accent-openai: #3fb950;
  --accent-anthropic: #f0883e;
  --accent-google: #58a6ff;
  --accent-deepmind: #8b5cf6;
  --accent-bytedance: #fb7185;
  --accent-deepseek: #22c55e;
  --accent-xai: #bc8cff;
  --accent-inferred: #7d8590;
  --tone-full: #3fb950;
  --tone-partial: #d29922;
  --tone-incorrect: #f85149;
  --tone-neutral: #8b949e;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background:
    radial-gradient(circle at top left, rgba(88, 166, 255, 0.14), transparent 28%),
    radial-gradient(circle at top right, rgba(188, 140, 255, 0.1), transparent 24%),
    linear-gradient(180deg, #0b1016 0%, #0d1117 100%);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(240, 246, 252, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(240, 246, 252, 0.025) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 75%);
}

.app-shell {
  width: min(1480px, calc(100vw - 28px));
  margin: 18px auto 32px;
}

.header {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(320px, 0.6fr);
  gap: 18px;
  padding: 28px;
  margin-bottom: 18px;
  background:
    linear-gradient(135deg, rgba(22, 27, 34, 0.98) 0%, rgba(13, 17, 23, 0.98) 100%);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.header h1 {
  margin: 0;
  font-size: clamp(2rem, 3vw, 3rem);
  line-height: 1.04;
  background: linear-gradient(90deg, var(--accent-google), var(--accent-xai));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.header-copy {
  max-width: 70ch;
  margin: 0.7rem 0 0;
  color: var(--muted);
}

.header-meta {
  display: grid;
  gap: 12px;
  align-content: start;
}

.hero-chip,
.stat-card,
.release-card {
  border: 1px solid var(--border);
  background: rgba(22, 27, 34, 0.96);
  box-shadow: inset 0 1px 0 rgba(240, 246, 252, 0.03);
}

.hero-chip {
  position: relative;
  overflow: hidden;
  padding: 14px 16px;
  border-radius: 12px;
}

.hero-chip strong {
  display: block;
  font-size: 1.2rem;
  margin-bottom: 4px;
}

.source-line {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 1rem;
}

.pill-link,
a {
  color: var(--accent-google);
}

.pill-link {
  display: inline-flex;
  align-items: center;
  padding: 7px 11px;
  border-radius: 999px;
  text-decoration: none;
  background: rgba(88, 166, 255, 0.12);
  border: 1px solid rgba(88, 166, 255, 0.18);
}

.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.stat-card {
  border-radius: 12px;
  padding: 16px 18px;
}

.stat-label {
  display: block;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.stat-value {
  display: block;
  margin-top: 0.35rem;
  font-size: clamp(1.5rem, 2vw, 2.2rem);
  line-height: 1;
  font-weight: 700;
}

.stat-note {
  margin-top: 0.5rem;
  color: var(--muted);
  font-size: 0.84rem;
}

.dashboard {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.card {
  padding: 20px;
  background: rgba(22, 27, 34, 0.96);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
}

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

.card-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.card-header h2,
.section-heading h3 {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 600;
}

.subhead,
.field-note,
.section-heading p,
.insight-list,
.release-note,
.release-meta,
.table-summary {
  color: var(--muted);
}

.card-header .subhead {
  margin: 0.35rem 0 0;
}

.section-heading {
  margin-bottom: 14px;
}

.section-heading p {
  margin: 0.35rem 0 0;
  font-size: 0.88rem;
}

.section-heading-inline {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 12px;
}

.workbench-card {
  position: static;
}

.workbench-shell {
  display: grid;
  gap: 16px;
}

.toolbar-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) repeat(4, minmax(150px, 1fr));
  gap: 12px;
}

.field {
  display: grid;
  gap: 8px;
}

.field-wide {
  grid-column: span 2;
}

.field > span {
  font-size: 0.74rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
}

input[type="search"],
select {
  width: 100%;
  padding: 11px 13px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--ink);
  font: inherit;
}

input[type="search"]::placeholder {
  color: #6e7681;
}

input[type="search"]:focus,
select:focus {
  outline: none;
  border-color: var(--accent-google);
  box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.14);
}

.toggle-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.toggle {
  display: inline-grid;
  grid-template-columns: 18px 1fr;
  gap: 10px;
  align-items: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.toggle input {
  margin: 0;
}

.active-filter-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-soft);
  color: var(--muted);
  font-size: 0.82rem;
}

.filter-pill strong {
  color: var(--ink);
  font-weight: 600;
}

.model-focus-panel {
  padding: 16px;
  border-radius: 12px;
  border: 1px solid var(--border-soft);
  background: rgba(13, 17, 23, 0.52);
}

.model-focus-panel.compact {
  display: grid;
  gap: 12px;
}

.chip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.model-quick-grid,
.model-chip-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 8px;
}

.model-quick-grid {
  margin-top: 2px;
}

.model-chip-grid {
  max-height: 240px;
  overflow: auto;
  padding-right: 4px;
}

.browser-stack {
  display: grid;
  gap: 14px;
  margin-top: 12px;
}

.chip-button,
.ghost-button,
.model-chip {
  font: inherit;
  color: var(--ink);
  border: 1px solid var(--border);
  background: var(--bg);
  cursor: pointer;
  transition:
    transform 140ms ease,
    border-color 140ms ease,
    background 140ms ease,
    opacity 140ms ease;
}

.chip-button:hover,
.ghost-button:hover,
.model-chip:hover,
.release-card:hover,
th:hover {
  transform: translateY(-1px);
}

.chip-button {
  border-radius: 999px;
  padding: 8px 12px;
}

.chip-button.is-active,
.ghost-button.is-active,
.model-chip.is-active {
  background: var(--accent-google);
  border-color: var(--accent-google);
  color: #ffffff;
}

.chip-button[class*="vendor-"]:not(.is-active) {
  border-color: var(--vendor-color, var(--border));
  color: var(--vendor-color, var(--ink));
}

.ghost-button {
  padding: 10px 14px;
  border-radius: 8px;
}

.model-chip {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  text-align: left;
  padding: 12px 14px;
  border-radius: 12px;
  position: relative;
  overflow: hidden;
}

.model-chip.is-quick {
  padding: 10px 12px;
}

.model-chip::before,
.release-card::before,
.hero-chip::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--vendor-color, var(--accent-google));
}

.model-chip-copy {
  display: grid;
  gap: 4px;
}

.model-chip-meta,
.model-chip-count {
  font-size: 0.8rem;
  color: var(--muted);
}

.model-chip.is-active .model-chip-meta,
.model-chip.is-active .model-chip-count {
  color: rgba(255, 255, 255, 0.82);
}

.model-chip.is-dim {
  opacity: 0.56;
}

.advanced-picker,
.advanced-filters {
  margin-top: 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(13, 17, 23, 0.42);
}

.advanced-picker {
  padding: 10px 12px 12px;
}

.advanced-filters {
  padding: 0;
}

.advanced-picker summary,
.advanced-filters summary {
  cursor: pointer;
  list-style: none;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.advanced-filters summary {
  padding: 12px 14px;
}

.advanced-picker[open] summary {
  margin-bottom: 10px;
}

.advanced-filters[open] summary {
  border-bottom: 1px solid var(--border);
}

.filter-stack {
  padding: 14px;
  display: grid;
  gap: 14px;
}

.chart-wrap {
  position: relative;
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border-soft);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.015), rgba(255, 255, 255, 0));
  overflow: hidden;
}

.chart-wrap.timeline {
  min-height: 390px;
}

.chart-wrap.compact {
  min-height: 330px;
}

.chart-wrap.bar {
  min-height: 320px;
}

.chart-wrap.doughnut {
  min-height: 300px;
}

svg {
  display: block;
  width: 100%;
}

.legend-row,
.line-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-soft);
  color: var(--muted);
  font-size: 0.84rem;
}

.legend-swatch {
  width: 20px;
  height: 0;
  border-top: 3px solid currentColor;
  border-radius: 999px;
  position: relative;
}

.legend-swatch::after {
  content: "";
  position: absolute;
  right: -2px;
  top: -4px;
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: currentColor;
}

.insight-box {
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: 12px;
  background: rgba(88, 166, 255, 0.08);
  border: 1px solid rgba(88, 166, 255, 0.2);
}

.insight-list {
  display: grid;
  gap: 10px;
}

.insight-item {
  position: relative;
  padding-left: 16px;
}

.insight-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.58em;
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--accent-google);
}

.tab-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.tab-button {
  padding: 9px 13px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  transition:
    background 140ms ease,
    border-color 140ms ease,
    color 140ms ease,
    transform 140ms ease;
}

.tab-button:hover {
  transform: translateY(-1px);
  color: var(--ink);
}

.tab-button.is-active {
  border-color: var(--accent-google);
  background: rgba(88, 166, 255, 0.14);
  color: var(--ink);
}

.tab-panel[hidden] {
  display: none !important;
}

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

.panel-block h3 {
  margin: 0;
  font-size: 1rem;
}

.panel-block .subhead {
  margin: 0.35rem 0 0;
}

.drilldown-card {
  display: grid;
  gap: 0;
}

.drilldown-panel {
  min-width: 0;
}

.detail-panel .panel-heading,
.detail-panel .detail-block {
  margin-bottom: 14px;
}

.detail-key {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.detail-value {
  margin: 0;
}

.milestone-table-wrap,
.table-container {
  overflow: auto;
  max-height: 620px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(13, 17, 23, 0.5);
}

.milestone-table,
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
}

.milestone-table th,
.milestone-table td,
.data-table th,
.data-table td {
  padding: 11px 12px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--border-soft);
}

.milestone-table th,
.data-table th {
  position: sticky;
  top: 0;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  user-select: none;
}

.data-table th.is-active {
  color: var(--ink);
}

.data-table th.is-active::after {
  content: attr(data-dir);
  margin-left: 6px;
  color: var(--accent-google);
}

.milestone-table tbody tr:hover td,
.data-table tbody tr:hover td {
  background: rgba(255, 255, 255, 0.03);
}

.table-summary {
  font-size: 0.84rem;
}

.table-note {
  max-width: 380px;
  color: var(--muted);
}

.badge {
  display: inline-block;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge.full {
  background: rgba(63, 185, 80, 0.14);
  color: var(--tone-full);
}

.badge.partial {
  background: rgba(210, 153, 34, 0.14);
  color: var(--tone-partial);
}

.badge.incorrect {
  background: rgba(248, 81, 73, 0.14);
  color: var(--tone-incorrect);
}

.badge.other {
  background: rgba(139, 148, 158, 0.14);
  color: var(--tone-neutral);
}

.release-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}

.release-card {
  position: relative;
  border-radius: 12px;
  padding: 14px 14px 14px 16px;
  cursor: pointer;
}

.release-card.is-selected {
  outline: 2px solid var(--accent-google);
  outline-offset: 1px;
}

.release-topline {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 8px;
}

.release-badge {
  color: var(--muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.release-note,
.release-meta {
  margin: 0.35rem 0 0;
  font-size: 0.82rem;
}

.release-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
}

.empty-state {
  padding: 24px;
  color: var(--muted);
}

.vendor-openai {
  --vendor-color: var(--accent-openai);
}

.vendor-anthropic {
  --vendor-color: var(--accent-anthropic);
}

.vendor-google {
  --vendor-color: var(--accent-google);
}

.vendor-google-deepmind {
  --vendor-color: var(--accent-deepmind);
}

.vendor-bytedance-seed {
  --vendor-color: var(--accent-bytedance);
}

.vendor-deepseek {
  --vendor-color: var(--accent-deepseek);
}

.vendor-xai {
  --vendor-color: var(--accent-xai);
}

.vendor-inferred {
  --vendor-color: var(--accent-inferred);
}

@media (max-width: 1180px) {
  .dashboard,
  .header {
    grid-template-columns: 1fr;
  }

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

  .field-wide {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  .app-shell {
    width: min(calc(100vw - 16px), 1480px);
    margin: 8px auto 18px;
  }

  .header,
  .card {
    padding: 16px;
  }

  .stats-bar,
  .dashboard {
    gap: 12px;
  }

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

  .toggle-row {
    flex-direction: column;
    gap: 10px;
  }

  .section-heading-inline {
    flex-direction: column;
  }

  .model-quick-grid,
  .model-chip-grid,
  .release-list {
    grid-template-columns: 1fr;
  }
}