:root {
  color-scheme: light;
  --paper: oklch(97% 0.012 76);
  --paper-deep: oklch(93.5% 0.016 72);
  --surface: oklch(99% 0.006 76);
  --ink: oklch(23% 0.022 52);
  --ink-muted: oklch(49% 0.025 55);
  --line: oklch(79% 0.022 66);
  --line-strong: oklch(42% 0.028 54);
  --accent: oklch(54% 0.14 38);
  --accent-dark: oklch(43% 0.12 36);
  --accent-soft: oklch(92% 0.046 48);
  --positive: oklch(45% 0.09 151);
  --negative: oklch(49% 0.15 27);
  --warning: oklch(62% 0.12 75);
  --shadow: 0 18px 45px oklch(25% 0.03 52 / 8%);
  --serif: "Newsreader", Georgia, serif;
  --sans: "IBM Plex Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

*, *::before, *::after { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

button, select, textarea { font: inherit; }

button, select { cursor: pointer; }

button:disabled, select:disabled, textarea:disabled { cursor: not-allowed; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

::selection { background: var(--accent-soft); }

[hidden] { display: none !important; }

.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;
}

.shell {
  display: flex;
  height: 100vh;
  height: 100dvh;
  flex-direction: column;
  overflow: hidden;
}

.topbar {
  position: relative;
  z-index: 5;
  display: grid;
  grid-template-columns: minmax(300px, 1fr) minmax(280px, 420px) minmax(250px, 1fr);
  align-items: center;
  min-height: 76px;
  padding: 12px 24px;
  border-bottom: 1px solid var(--line-strong);
  background: color-mix(in oklch, var(--paper) 94%, transparent);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .06em;
}

.brand-copy { display: grid; gap: 1px; }

.brand-title { font-family: var(--serif); font-size: 20px; font-weight: 600; }

.eyebrow {
  margin: 0;
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .13em;
  line-height: 1.4;
  text-transform: uppercase;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
  border-top: 1px solid var(--line);
}

.footer-links { display: flex; gap: 18px; }

.footer-links a {
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .13em;
  text-decoration: none;
  text-transform: uppercase;
}

.footer-links a:hover { color: var(--accent); }

.model-control {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.model-control select {
  width: min(310px, 100%);
  min-height: 40px;
  padding: 8px 38px 8px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: var(--surface);
  color: var(--ink);
  font-weight: 500;
}

.status-pill {
  flex: 0 0 auto;
  padding: 4px 7px;
  border: 1px solid var(--line);
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.status-pill[data-status="available"] {
  border-color: color-mix(in oklch, var(--positive) 45%, var(--line));
  background: color-mix(in oklch, var(--positive) 9%, var(--surface));
  color: var(--positive);
}

.status-pill[data-status="error"],
.status-pill[data-status="unavailable"] {
  border-color: color-mix(in oklch, var(--negative) 40%, var(--line));
  color: var(--negative);
}

.telemetry {
  display: flex;
  justify-content: flex-end;
  gap: 18px;
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 10px;
  white-space: nowrap;
}

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

.workspace {
  display: grid;
  flex: 1;
  grid-template-columns: minmax(0, 1fr) auto;
  min-height: 0;
}

.analysis-pane {
  display: flex;
  min-width: 0;
  min-height: 0;
  flex-direction: column;
  border-right: 1px solid var(--line-strong);
}

.activity {
  position: relative;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  scroll-behavior: smooth;
}

.activity::before {
  position: absolute;
  z-index: -1;
  top: 0;
  left: 0;
  width: 100%;
  height: 230px;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 32px 32px;
  content: "";
  opacity: .18;
  mask-image: linear-gradient(to bottom, black, transparent);
  pointer-events: none;
}

.welcome {
  width: min(920px, calc(100% - 64px));
  margin: 0 auto;
  padding: clamp(56px, 8vh, 108px) 0 48px;
}

.welcome-intro { max-width: 750px; }

.welcome h1 {
  max-width: 680px;
  margin: 12px 0 14px;
  font-family: var(--serif);
  font-size: clamp(40px, 5vw, 67px);
  font-weight: 500;
  letter-spacing: -.035em;
  line-height: .98;
}

.lede {
  max-width: 660px;
  margin: 0;
  color: var(--ink-muted);
  font-size: 16px;
}

.action-groups {
  margin-top: clamp(46px, 7vh, 76px);
  border-top: 1px solid var(--line-strong);
}

.action-group {
  display: grid;
  grid-template-columns: minmax(210px, .7fr) minmax(320px, 1.3fr);
  gap: 32px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.action-heading { display: flex; align-items: flex-start; gap: 14px; }

.action-index {
  padding-top: 3px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
}

.action-heading h2 {
  margin: 0 0 3px;
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 600;
}

.action-heading p {
  max-width: 265px;
  margin: 0;
  color: var(--ink-muted);
  font-size: 12px;
}

.action-list { display: grid; align-content: start; }

.action-button {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  width: 100%;
  padding: 10px 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  text-align: left;
  transition: color 140ms ease, padding 140ms ease;
}

.action-button:last-child { border-bottom: 0; }

.action-button:hover:not(:disabled) { padding-left: 8px; color: var(--accent-dark); }

.action-button span:first-child { font-size: 13px; font-weight: 500; }

.action-arrow { color: var(--accent); font-family: var(--mono); }

.transcript {
  display: grid;
  gap: 24px;
  width: min(960px, calc(100% - 64px));
  margin: 0 auto;
  padding: 44px 0 30px;
}

.turn { display: grid; gap: 10px; }

.restored-note {
  margin: 0;
  padding: 0 18px;
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.user-turn {
  justify-self: end;
  max-width: 660px;
  padding: 10px 14px;
  background: var(--paper-deep);
  font-size: 14px;
}

.result-block {
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--line-strong);
  background: color-mix(in oklch, var(--surface) 72%, transparent);
  box-shadow: var(--shadow);
}

.result-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 15px 18px;
  border-bottom: 1px solid var(--line);
}

.result-kicker {
  margin: 0 0 3px;
  color: var(--accent-dark);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.result-header h2 { margin: 0; font-family: var(--serif); font-size: 25px; font-weight: 600; }

.result-meta { color: var(--ink-muted); font-family: var(--mono); font-size: 10px; text-align: right; }

.metrics-table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }

.metrics-table th, .metrics-table td {
  padding: 11px 18px;
  border-bottom: 1px solid var(--line);
  text-align: right;
}

.metrics-table th:first-child, .metrics-table td:first-child { text-align: left; }

.metrics-table thead th {
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .09em;
  text-transform: uppercase;
}

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

.metric-label { font-size: 12px; font-weight: 500; }

.metric-value { font-family: var(--mono); font-size: 14px; font-weight: 500; }

.delta-positive { color: var(--positive); }
.delta-negative { color: var(--negative); }

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

.sensitivity-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
}

.sensitivity-table th,
.sensitivity-table td {
  padding: 11px 18px;
  border-bottom: 1px solid var(--line);
  text-align: right;
  vertical-align: middle;
}

.sensitivity-table th:first-child,
.sensitivity-table td:first-child { text-align: left; }

.sensitivity-table thead th {
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .09em;
  text-transform: uppercase;
}

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

.sensitivity-row-golden {
  background: color-mix(in oklch, var(--accent-soft) 72%, transparent);
}

.sensitivity-row-golden td {
  border-bottom-color: color-mix(in oklch, var(--accent) 28%, var(--line));
}

.sensitivity-input {
  white-space: nowrap;
}

.sensitivity-base-badge {
  display: inline-block;
  margin-left: 8px;
  padding: 1px 5px;
  border: 1px solid var(--accent);
  color: var(--accent-dark);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: .08em;
  vertical-align: middle;
}

.sensitivity-output .sensitivity-bar-track {
  display: block;
  margin-top: 6px;
  height: 3px;
  background: color-mix(in oklch, var(--line) 85%, transparent);
}

.sensitivity-bar {
  display: block;
  height: 100%;
  max-width: 100%;
  background: var(--accent);
}

.solver-constraints {
  padding: 0 18px 10px;
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .02em;
  line-height: 1.45;
}

.solver-constraint-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-bottom: 1px solid var(--line);
}

.solver-constraint-cell {
  padding: 11px 18px;
  border-right: 1px solid var(--line);
}

.solver-constraint-cell:last-child { border-right: 0; }

.solver-constraint-label {
  margin: 0 0 5px;
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.solver-constraint-value {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.45;
}

.solver-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.solver-toolbar-summary {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink);
}

.solver-toolbar-tabs { display: flex; gap: 0; }

.solver-toolbar-tab {
  padding: 4px 10px;
  margin-left: -1px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
  cursor: pointer;
}

.solver-toolbar-tab.is-active {
  border-color: var(--accent);
  background: color-mix(in oklch, var(--accent-soft) 78%, transparent);
  color: var(--accent-dark);
}

.solver-toolbar-tab:hover { border-color: var(--accent); }

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

.solver-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
}

.solver-table th,
.solver-table td {
  padding: 11px 18px;
  border-bottom: 1px solid var(--line);
  text-align: right;
  vertical-align: top;
}

.solver-table th:first-child,
.solver-table td:first-child,
.solver-table th:nth-child(2),
.solver-table td.solver-deviations {
  text-align: left;
}

.solver-table thead th {
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .09em;
  text-transform: uppercase;
}

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

.solver-row-base {
  background: color-mix(in oklch, var(--accent-soft) 72%, transparent);
}

.solver-row-base td {
  border-bottom-color: color-mix(in oklch, var(--accent) 28%, var(--line));
}

.solver-case {
  font-family: var(--mono);
  font-size: 12px;
  white-space: nowrap;
}

.solver-deviations { white-space: normal; }

.solver-base-note {
  color: var(--ink-muted);
  font-size: 12px;
}

.solver-deviation-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.solver-deviation-chip {
  display: inline-block;
  padding: 2px 7px;
  border: 1px solid var(--line-strong);
  background: color-mix(in oklch, var(--paper) 88%, var(--ink) 12%);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.35;
  white-space: nowrap;
}

.solver-dev-count {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.solver-unchanged-panel {
  margin-top: 12px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.solver-unchanged-kicker {
  margin: 0 0 8px;
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.solver-unchanged-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 3px 22px;
  font-size: 11px;
}

.solver-unchanged-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  min-width: 0;
  border-bottom: 1px solid color-mix(in oklch, var(--line) 50%, transparent);
  padding-bottom: 2px;
}

.solver-unchanged-label {
  min-width: 0;
  color: var(--ink-muted);
  overflow-wrap: anywhere;
}

.solver-unchanged-value {
  font-family: var(--mono);
  text-align: right;
  white-space: nowrap;
}

.solver-inputs-cell { white-space: nowrap; }

.solver-expand-toggle {
  padding: 3px 8px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .06em;
  text-transform: uppercase;
  cursor: pointer;
}

.solver-expand-toggle:hover {
  background: color-mix(in oklch, var(--accent-soft) 70%, transparent);
  border-color: var(--accent);
}

.solver-truncation {
  padding: 10px 18px;
  border-top: 1px solid var(--line);
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .02em;
}

.solver-empty { color: var(--ink-muted); }

.solver-empty-body {
  display: grid;
  gap: 12px;
  max-width: 760px;
  padding: 16px 18px;
}

.solver-empty-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.solver-empty-action {
  padding: 5px 10px;
  border: 1px solid var(--line-strong);
  background: color-mix(in oklch, var(--accent-soft) 70%, transparent);
  color: var(--accent-dark);
  font-family: var(--mono);
  font-size: 11px;
  cursor: pointer;
}

.solver-empty-action:hover { border-color: var(--accent); }

.solver-caveat {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 18px;
  border-top: 1px solid var(--line);
  color: var(--ink-muted);
  font-size: 11px;
}

.solver-caveat-meta {
  font-family: var(--mono);
  white-space: nowrap;
}

.solver-boundary-narrative {
  padding: 20px 18px 18px;
  border-bottom: 1px solid var(--line);
}

.solver-boundary-prose {
  margin: 0;
  max-width: 820px;
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.45;
}

.solver-boundary-emph {
  font-family: var(--mono);
  font-size: 17px;
  font-weight: 500;
}

.solver-boundary-emph-accent { border-bottom: 2px solid var(--accent); }

.solver-boundary-strip-section {
  padding: 18px 18px 22px;
  border-bottom: 1px solid var(--line);
}

.solver-boundary-strip-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.solver-boundary-strip-kicker,
.solver-boundary-evidence-kicker {
  margin: 0;
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.solver-boundary-evidence-kicker { padding: 16px 18px 10px; }

.solver-boundary-strip-note {
  margin: 0;
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .04em;
}

.solver-boundary-strip {
  display: grid;
  border-top: 1px solid var(--line-strong);
  overflow-x: auto;
}

.solver-boundary-point {
  padding: 12px 12px 14px;
  border-right: 1px solid var(--line);
  min-width: 110px;
}

.solver-boundary-point:last-child { border-right: 0; }

.solver-boundary-point-base {
  background: color-mix(in oklch, var(--accent-soft) 45%, transparent);
}

.solver-boundary-point-tag {
  margin: 0 0 6px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.solver-boundary-point-base .solver-boundary-point-tag { color: var(--accent-dark); }

.solver-boundary-point-value {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 16px;
  font-weight: 500;
}

.solver-boundary-point-irr {
  margin: 0 0 4px;
  font-family: var(--mono);
  font-size: 14px;
  color: var(--positive);
}

.solver-boundary-point-note {
  margin: 0;
  font-size: 11px;
  color: var(--ink-muted);
  line-height: 1.4;
}

.solver-boundary-strip-caption {
  margin: 12px 0 0;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-muted);
}

.solver-boundary-table { min-width: 760px; }

.solver-changed-count {
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 11px;
}

.result-narrative { max-width: 760px; padding: 18px; font-size: 14px; white-space: pre-wrap; }

.result-narrative--md {
  white-space: normal;
  line-height: 1.55;
  color: var(--ink);
}

.result-narrative--md > :first-child { margin-top: 0; }
.result-narrative--md > :last-child { margin-bottom: 0; }

.result-narrative--md p {
  margin: 0 0 12px;
}

.result-narrative--md .narrative-h3,
.result-narrative--md .narrative-h4 {
  margin: 16px 0 8px;
  font-family: var(--serif);
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
}

.result-narrative--md .narrative-h3 { font-size: 16px; }
.result-narrative--md .narrative-h4 { font-size: 14px; }

.result-narrative--md .narrative-list {
  margin: 0 0 12px;
  padding-left: 1.25em;
}

.result-narrative--md .narrative-list li {
  margin: 0 0 6px;
}

.result-narrative--md code {
  font-family: var(--mono);
  font-size: 12px;
  background: color-mix(in oklch, var(--ink) 6%, var(--surface));
  padding: 1px 5px;
  border: 1px solid var(--line);
}

.result-narrative--md .metrics-table {
  margin: 0 0 14px;
}

.result-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 18px;
  border-top: 1px solid var(--line);
  color: var(--ink-muted);
  font-size: 11px;
}

.text-button {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--accent-dark);
  font-size: 11px;
  font-weight: 600;
}

.result-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.builder-block {
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--line-strong);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.builder-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
}

.builder-header h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: 25px;
  font-weight: 600;
}

.builder-version {
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 10px;
}

.builder-identity {
  display: grid;
  grid-template-columns: 130px minmax(220px, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
}

.builder-identity label {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.builder-identity input,
.builder-table input,
.builder-table select {
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--paper);
  color: var(--ink);
}

.builder-identity input { width: 100%; padding: 6px 9px; font-weight: 500; }

.builder-identity > span {
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 10px;
  text-align: right;
}

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

.builder-table {
  width: 100%;
  min-width: 650px;
  border-collapse: collapse;
}

.builder-table th,
.builder-table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.builder-table th {
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.builder-table th:first-child,
.builder-table td:first-child { width: 180px; }

.builder-table th:last-child,
.builder-table td:last-child { width: 42px; text-align: right; }

.case-name-input { width: 100%; padding: 6px 8px; font-weight: 500; }
.case-name-input:disabled { border-color: transparent; background: transparent; color: var(--ink); opacity: 1; }
.builder-table td > small { display: block; margin-top: 4px; color: var(--ink-muted); font-size: 10px; }

.assumption-stack { display: grid; gap: 8px; }

.assumption-editor {
  display: grid;
  grid-template-columns: minmax(170px, 1.4fr) minmax(100px, .7fr) 80px 30px;
  gap: 7px;
  align-items: center;
}

.assumption-editor select { min-width: 0; padding: 5px 28px 5px 7px; font-size: 11px; }
.assumption-editor input { min-width: 0; width: 100%; padding: 5px 7px; font-family: var(--mono); font-size: 11px; font-variant-numeric: tabular-nums; }

.assumption-unit {
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 10px;
  overflow-wrap: anywhere;
}

.assumption-range {
  grid-column: 2 / 5;
  margin-top: -5px;
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 10px;
}

.empty-assumptions { color: var(--ink-muted); font-size: 11px; }

.row-icon-button {
  position: relative;
  width: 28px;
  height: 28px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ink-muted);
  font-size: 18px;
  line-height: 1;
}

.row-icon-button:hover { color: var(--negative); }

.inline-action {
  width: fit-content;
  min-height: 30px;
  padding: 3px 0;
  border: 0;
  background: transparent;
  color: var(--accent-dark);
  font-size: 10px;
  font-weight: 600;
  text-align: left;
}

.builder-add-case { margin: 10px 18px; }

.builder-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 18px;
  border-top: 1px solid var(--line);
}

.builder-footer p { margin: 0; color: var(--ink-muted); font-size: 10px; }
.builder-footer p[data-tone="success"] { color: var(--positive); }
.builder-footer p[data-tone="error"] { color: var(--negative); font-weight: 500; }

.builder-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }

.secondary-button {
  min-height: 38px;
  padding: 7px 12px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink);
  font-size: 11px;
  font-weight: 600;
}

.secondary-button:hover { border-color: var(--accent-dark); color: var(--accent-dark); }

.activity[aria-busy="true"] .builder-block button,
.activity[aria-busy="true"] .builder-block input,
.activity[aria-busy="true"] .builder-block select {
  pointer-events: none;
  opacity: .58;
}

.comparison-body { display: grid; grid-template-columns: 1fr 1fr; }

.comparison-side { padding: 18px; }
.comparison-side + .comparison-side { border-left: 1px solid var(--line); }
.comparison-side h3 { margin: 0 0 10px; font-family: var(--serif); font-size: 20px; }
.comparison-side dl { display: grid; grid-template-columns: 1fr auto; gap: 6px 20px; margin: 0; font-size: 11px; }
.comparison-side dt { color: var(--ink-muted); }
.comparison-side dd { margin: 0; font-family: var(--mono); }

.error-block {
  padding: 16px 18px;
  border-left: 3px solid var(--negative);
  background: color-mix(in oklch, var(--negative) 6%, var(--surface));
}

.error-block h2 { margin: 0 0 5px; font-family: var(--serif); font-size: 20px; }
.error-block p { margin: 0; color: var(--ink-muted); font-size: 13px; white-space: pre-wrap; }
.error-details { margin-top: 12px; color: var(--ink-muted); font-size: 12px; }
.error-details summary { cursor: pointer; font-weight: 650; }
.error-details pre {
  margin: 8px 0 0;
  padding: 10px;
  overflow-x: auto;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--negative) 4%, var(--paper));
  color: var(--ink-muted);
  font: 11px/1.45 var(--mono);
  white-space: pre-wrap;
}

.working {
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  width: min(960px, calc(100% - 64px));
  margin: 0 auto;
  padding: 0 0 36px;
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 11px;
}

.working:not([hidden]) { display: flex; }

/* agent trace — beautiful-ui Thinking/ToolChips port */
.trace-turn { gap: 0; }
.trace-head {
  display: flex;
  align-items: center;
  gap: 9px;
  width: fit-content;
  padding: 3px 0;
  border: 0;
  background: transparent;
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 11px;
  cursor: pointer;
}
.trace-head:hover { color: var(--ink); }
.trace-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 15px;
  height: 12px;
}
.trace.settled .trace-icon { color: var(--accent); font-size: 10px; }
.trace-label.active {
  background: linear-gradient(90deg, var(--ink-muted) 35%, var(--ink) 50%, var(--ink-muted) 65%);
  background-size: 200% 100%;
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  animation: shimmer-text 1.4s linear infinite;
}
.trace-elapsed { font-variant-numeric: tabular-nums; }
.trace-chevron { font-size: 9px; transition: transform .3s cubic-bezier(.23, 1, .32, 1); }
.trace.open .trace-chevron { transform: rotate(180deg); }
.trace-body {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transition: grid-template-rows .4s cubic-bezier(.23, 1, .32, 1), opacity .3s;
}
.trace.open .trace-body { grid-template-rows: 1fr; opacity: 1; }
.trace-rows {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 5px 0 2px 6px;
  padding-left: 11px;
  border-left: 1px solid var(--line);
}
.trace-item { animation: fade-up .3s cubic-bezier(.23, 1, .32, 1) both; }
.trace-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
  min-width: 0;
  width: fit-content;
  max-width: 100%;
}
button.trace-row {
  padding: 0;
  border: 0;
  background: transparent;
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.trace-row .tick { color: var(--line-strong); font-size: 9px; }
.trace-row .tick.live { color: var(--accent); animation: tick-pulse 1s ease-in-out infinite alternate; }
@keyframes tick-pulse { to { opacity: .3; } }
.trace-row .primary {
  overflow: hidden;
  color: var(--ink);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.trace-row .secondary {
  flex-shrink: 0;
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 10px;
  white-space: nowrap;
}
.trace-row .row-chevron {
  flex-shrink: 0;
  color: var(--ink-muted);
  font-size: 9px;
  opacity: 0;
  transition: opacity .15s, transform .25s cubic-bezier(.23, 1, .32, 1);
}
.trace-row:hover .row-chevron, .trace-item.open .row-chevron { opacity: 1; }
.trace-item.open .row-chevron { transform: rotate(180deg); }
.trace-detail {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transition: grid-template-rows .3s cubic-bezier(.23, 1, .32, 1), opacity .25s;
}
.trace-item.open .trace-detail { grid-template-rows: 1fr; opacity: 1; }
.trace-detail-rows {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 3px 0 5px 5px;
  padding-left: 10px;
  border-left: 1px solid var(--line);
}
.trace-detail-rows .line {
  overflow: hidden;
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 10px;
  text-overflow: ellipsis;
  white-space: nowrap;
}
@keyframes fade-up {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .trace-label.active { animation: none; color: var(--ink-muted); }
}

.pixel-loader {
  display: grid;
  grid-template-columns: repeat(3, 4px);
  gap: 1.5px;
}

.pixel-loader span {
  width: 4px;
  height: 4px;
  border-radius: 1px;
  background: var(--ink);
  opacity: .15;
  animation: pixel-on 650ms ease-in-out infinite;
}

/* chevron wavefront driving right: delay = (col + |row - 1|) * 90ms */
.pixel-loader span:nth-child(1) { animation-delay: 90ms; }
.pixel-loader span:nth-child(2) { animation-delay: 180ms; }
.pixel-loader span:nth-child(3) { animation-delay: 270ms; }
.pixel-loader span:nth-child(4) { animation-delay: 0ms; }
.pixel-loader span:nth-child(5) { animation-delay: 90ms; }
.pixel-loader span:nth-child(6) { animation-delay: 180ms; }
.pixel-loader span:nth-child(7) { animation-delay: 90ms; }
.pixel-loader span:nth-child(8) { animation-delay: 180ms; }
.pixel-loader span:nth-child(9) { animation-delay: 270ms; }

@keyframes pixel-on {
  0%, 100% { opacity: .15; }
  45% { opacity: 1; }
}

#working-label {
  background: linear-gradient(90deg, var(--ink-muted) 35%, var(--ink) 50%, var(--ink-muted) 65%);
  background-size: 200% 100%;
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  animation: shimmer-text 1.4s linear infinite;
}

@keyframes shimmer-text { to { background-position: -200% 0; } }

.working-elapsed { font-variant-numeric: tabular-nums; }

@media (prefers-reduced-motion: reduce) {
  .pixel-loader span, #working-label { animation: none; }
  #working-label { color: var(--ink-muted); }
}

.composer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: end;
  padding: 14px 24px 16px;
  border-top: 1px solid var(--line-strong);
  background: var(--paper);
}

.composer-field { display: grid; gap: 4px; }
.composer-label-row { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }

.shortcut-hint { color: var(--ink-muted); font-family: var(--mono); font-size: 10px; letter-spacing: .04em; }

.composer-field label { font-family: var(--mono); font-size: 10px; font-weight: 600; letter-spacing: .09em; text-transform: uppercase; }

.composer textarea {
  width: 100%;
  max-height: 150px;
  resize: none;
  padding: 5px 0;
  border: 0;
  border-bottom: 1px solid var(--line-strong);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  line-height: 1.45;
}

.composer textarea:focus { outline: 0; border-color: var(--accent); }
.composer textarea:disabled { color: var(--ink-muted); }
.composer-field p { margin: 0; color: var(--ink-muted); font-size: 10px; }

.composer-actions { display: flex; align-items: flex-end; gap: 10px; }

.ghost-button {
  min-height: 42px;
  padding: 8px 14px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink-muted);
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

.ghost-button:hover:not(:disabled) { border-color: var(--accent-dark); color: var(--accent-dark); }
.ghost-button:disabled { opacity: .38; }
.ghost-button[data-confirm="true"] { border-color: var(--negative); color: var(--negative); }

.primary-button {
  min-width: 94px;
  min-height: 42px;
  padding: 8px 16px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  font-weight: 600;
}

.primary-button:hover:not(:disabled) { background: var(--accent-dark); border-color: var(--accent-dark); }
.primary-button:disabled { opacity: .38; }

.evidence-pane {
  position: relative;
  display: flex;
  width: 390px;
  min-width: 0;
  min-height: 0;
  flex-direction: column;
  background: var(--surface);
  transition: width 180ms ease;
}

.evidence-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line-strong);
}

.rail-heading { display: grid; gap: 5px; }

.rail-tabs {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.rail-tab {
  position: relative;
  padding: 0 0 3px;
  border: 0;
  background: transparent;
  color: var(--ink-muted);
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 500;
}

.rail-tab::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  background: transparent;
  content: "";
}

.rail-tab:hover { color: var(--accent-dark); }
.rail-tab.active { color: var(--ink); font-weight: 600; }
.rail-tab.active::after { background: var(--accent); }

.icon-button {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
}

.icon-button:hover { border-color: var(--accent); color: var(--accent-dark); }

.rail-content {
  display: flex;
  flex: 1;
  min-height: 0;
  flex-direction: column;
}

.evidence-body,
.history-body {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
}

.evidence-empty { padding: 42px 24px; }
.evidence-glyph { display: block; margin-bottom: 26px; color: var(--accent); font-family: var(--serif); font-size: 45px; }
.evidence-empty h3 { margin: 0 0 7px; font-family: var(--serif); font-size: 22px; font-weight: 600; }
.evidence-empty p { margin: 0; color: var(--ink-muted); font-size: 12px; }

.evidence-section { padding: 18px; border-bottom: 1px solid var(--line); }
.evidence-section h3 { margin: 0 0 12px; font-family: var(--mono); font-size: 10px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; }
.evidence-section dl { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 7px 16px; margin: 0; font-size: 11px; }
.evidence-section dt { min-width: 0; color: var(--ink-muted); overflow-wrap: anywhere; }
.evidence-section dd { margin: 0; font-family: var(--mono); text-align: right; overflow-wrap: anywhere; }
.evidence-section pre { overflow-x: auto; margin: 0; padding: 10px; background: var(--paper); font-family: var(--mono); font-size: 10px; white-space: pre-wrap; }

.assumption-list { display: grid; gap: 9px; margin: 0; padding: 0; list-style: none; }
.assumption-list li { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; font-size: 11px; }
.assumption-list code { color: var(--ink-muted); font-family: var(--mono); overflow-wrap: anywhere; }
.assumption-list strong { font-family: var(--mono); font-size: 10px; }

.history-intro {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  padding: 18px;
  border-bottom: 1px solid var(--line-strong);
  background: var(--surface);
}

.history-intro h2 {
  margin: 2px 0 0;
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 600;
}

.history-list { border-bottom: 1px solid var(--line-strong); }

.history-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  width: 100%;
  padding: 13px 18px;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  text-align: left;
}

.history-row:last-child { border-bottom: 0; }
.history-row:hover { background: var(--paper); }
.history-row.selected { background: var(--accent-soft); }

.history-row-copy { display: grid; min-width: 0; gap: 2px; }
.history-row-copy strong { overflow: hidden; font-size: 12px; font-weight: 600; text-overflow: ellipsis; white-space: nowrap; }
.history-row-copy span, .history-row time { color: var(--ink-muted); font-family: var(--mono); font-size: 10px; }
.history-row time { max-width: 112px; text-align: right; }

.history-empty { padding: 30px 18px; }
.history-empty h3 { margin: 0 0 5px; font-family: var(--serif); font-size: 20px; }
.history-empty p { margin: 0 0 16px; color: var(--ink-muted); font-size: 11px; }
.history-empty .action-button { margin-top: 8px; }

.history-detail { background: var(--surface); }

.history-detail-header { padding: 18px; border-bottom: 1px solid var(--line); }
.history-detail-header h3 { margin: 2px 0 4px; font-family: var(--serif); font-size: 23px; line-height: 1.1; }
.history-detail-header > p:last-child { margin: 0; color: var(--ink-muted); font-family: var(--mono); font-size: 10px; overflow-wrap: anywhere; }

.history-section { padding: 16px 18px; border-bottom: 1px solid var(--line); }
.history-section h4 { margin: 0 0 10px; font-family: var(--mono); font-size: 10px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; }
.history-section dl { display: grid; grid-template-columns: 1fr auto; gap: 6px 16px; margin: 0; font-size: 10px; }
.history-section dt { color: var(--ink-muted); }
.history-section dd { margin: 0; font-family: var(--mono); text-align: right; overflow-wrap: anywhere; }

.history-case-list { display: grid; gap: 0; margin: 14px 0 0; padding: 0; list-style: none; counter-reset: history-case; }
.history-case-list li { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; padding: 7px 0; border-top: 1px solid var(--line); counter-increment: history-case; font-size: 11px; }
.history-case-list li span::before { margin-right: 7px; color: var(--accent); font-family: var(--mono); font-size: 10px; content: counter(history-case, decimal-leading-zero); }
.history-case-list small { color: var(--ink-muted); font-family: var(--mono); font-size: 10px; }

.history-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 14px 18px; border-bottom: 1px solid var(--line-strong); }
.history-actions .primary-button, .history-actions .secondary-button { min-width: 0; min-height: 38px; padding: 7px 9px; font-size: 10px; }

.history-executions { padding: 0; }
.history-executions h4 { padding: 16px 18px 6px; }

.history-execution {
  display: grid;
  width: 100%;
  padding: 12px 18px;
  border: 0;
  border-top: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  text-align: left;
}

.history-execution:hover { background: var(--paper); }
.history-execution strong { font-size: 11px; }
.history-execution > span:not(.history-execution-arrow) { color: var(--ink-muted); font-family: var(--mono); font-size: 10px; }
.history-execution-arrow { margin-top: 6px; color: var(--accent-dark); font-size: 10px; font-weight: 600; }

.history-section-note, .history-loading, .history-error { margin: 0; padding: 0 18px 18px; color: var(--ink-muted); font-size: 11px; }
.history-loading, .history-error { padding-top: 18px; }
.history-error { color: var(--negative); }

.evidence-pane.collapsed { width: 54px; }
.evidence-pane.collapsed .evidence-header { height: 100%; min-height: 0; flex-direction: column; padding: 16px 9px; }
.evidence-pane.collapsed .rail-heading { display: flex; flex-direction: column; align-items: center; }
.evidence-pane.collapsed .rail-heading .eyebrow { display: none; }
.evidence-pane.collapsed .rail-tabs { margin-top: 10px; writing-mode: vertical-rl; }
.evidence-pane.collapsed .rail-tab { display: none; font-size: 17px; }
.evidence-pane.collapsed .rail-tab.active { display: block; }
.evidence-pane.collapsed .rail-tab.active::after { display: none; }
.evidence-pane.collapsed .icon-button { transform: rotate(180deg); }
.evidence-pane.collapsed .rail-content { display: none; }

.toast {
  position: fixed;
  z-index: 20;
  right: 22px;
  bottom: 22px;
  max-width: 360px;
  padding: 11px 14px;
  border: 1px solid var(--line-strong);
  background: var(--ink);
  color: var(--paper);
  box-shadow: var(--shadow);
  font-size: 12px;
}

.working-hint {
  flex: 1 1 100%;
  padding-left: 19px;
  font-size: 10px;
}

@media print {
  .topbar, .composer, .evidence-pane, .toast, .working, .action-groups, .shortcut-hint { display: none !important; }
  .activity::before { display: none !important; }
  body { background: #fff; }
  .workspace, .analysis-pane { display: block; border-right: 0; }
  .activity { overflow: visible; }
  .welcome { width: 100%; padding: 0 0 24px; }
  .transcript { width: 100%; padding: 0; }
  .result-block, .builder-block, .error-block { box-shadow: none; break-inside: avoid; }
  .user-turn { max-width: none; background: transparent; padding: 8px 0; }
}

@media (max-width: 1080px) {
  .topbar { grid-template-columns: 1fr minmax(260px, 360px); }
  .telemetry { display: none; }
  .evidence-pane { width: 330px; }
  .action-group { grid-template-columns: 1fr; gap: 12px; }
}

@media (max-width: 820px) {
  .shell {
    height: auto;
    min-height: 100vh;
    min-height: 100dvh;
    overflow: visible;
  }
  .topbar { grid-template-columns: 1fr; gap: 12px; padding: 12px 18px; }
  .brand-copy .eyebrow { display: none; }
  .site-footer { padding: 12px 18px; }
  .site-footer .eyebrow { display: none; }
  .model-control { justify-content: stretch; }
  .model-control select { width: 100%; }
  .workspace { display: block; }
  .analysis-pane { min-height: calc(100vh - 128px); margin-right: 48px; border-right: 0; }
  .activity { overflow-y: visible; }
  .welcome, .transcript, .working { width: min(100% - 36px, 720px); }
  .welcome { padding-top: 54px; }
  .welcome h1 { font-size: clamp(38px, 11vw, 56px); }
  .evidence-pane {
    position: fixed;
    z-index: 10;
    inset: 128px 0 0 auto;
    width: min(390px, 92vw);
    border-left: 1px solid var(--line-strong);
    box-shadow: var(--shadow);
  }
  .evidence-pane.collapsed { width: 48px; }

  .solver-constraint-strip,
  .solver-toolbar {
    display: block;
  }

  .solver-constraint-cell {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .solver-constraint-cell:last-child { border-bottom: 0; }

  .solver-toolbar-tabs { margin-top: 8px; }

  .solver-boundary-strip-head { flex-direction: column; gap: 6px; }

  .solver-caveat { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 560px) {
  .brand-title { font-size: 17px; }
  .brand-mark { width: 32px; height: 32px; }
  .welcome, .transcript, .working { width: calc(100% - 28px); }
  .welcome { padding-bottom: 30px; }
  .action-group { padding: 18px 0; }
  .composer { grid-template-columns: 1fr; padding: 12px 14px; }
  .composer-actions { display: grid; grid-template-columns: 1fr 1fr; }
  .composer-actions .primary-button, .composer-actions .ghost-button { min-width: 0; }
  .primary-button { min-height: 38px; }
  .result-header { display: grid; }
  .result-meta { text-align: left; }
  .metrics-table th, .metrics-table td { padding: 9px 10px; }
  .sensitivity-table th, .sensitivity-table td { padding: 9px 10px; }
  .solver-table th, .solver-table td { padding: 9px 10px; }
  .comparison-body { grid-template-columns: 1fr; }
  .comparison-side + .comparison-side { border-top: 1px solid var(--line); border-left: 0; }
  .builder-header, .builder-footer { display: grid; }
  .builder-identity { grid-template-columns: 1fr; }
  .builder-identity > span { text-align: left; }
  .builder-table { min-width: 0; }
  .builder-table thead { display: none; }
  .builder-table tbody, .builder-table tr, .builder-table td { display: block; width: 100% !important; }
  .builder-table tr { padding: 10px 14px; border-bottom: 1px solid var(--line); }
  .builder-table td { padding: 5px 0; border: 0; text-align: left !important; }
  .assumption-editor { grid-template-columns: 1fr minmax(90px, .65fr) 28px; }
  .assumption-unit { display: none; }
  .assumption-range { grid-column: 1 / 4; }
  .builder-actions { justify-content: stretch; }
  .builder-actions button { flex: 1 1 auto; }
  .history-actions { grid-template-columns: 1fr; }
}

@media (pointer: coarse) {
  .row-icon-button, .inline-action, .rail-tab { min-width: 44px; min-height: 44px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
}