:root {
  --paper: #f7f8f5;
  --paper-raised: #ffffff;
  --paper-sunken: #e9eee6;
  --screen: #1a1917;

  --ink: #242925;
  --ink-2: #535e54;

  --ink-3: #5e665e;

  --rule: rgba(28, 27, 25, 0.11);
  --rule-strong: rgba(28, 27, 25, 0.2);

  --brand: 48, 88, 67;

  --brand-ink: #305843;
  --accent: 141, 137, 126;

  --shadow-sm: 0 1px 2px rgba(28, 27, 25, 0.05);
  --shadow: 0 1px 2px rgba(28, 27, 25, 0.04), 0 6px 18px rgba(28, 27, 25, 0.06);
  --shadow-lg:
    0 2px 4px rgba(28, 27, 25, 0.04), 0 16px 40px rgba(28, 27, 25, 0.09);

  --r: 4px;
  --r-sm: 4px;
  --r-screen: 4px;
  --wrap: 1280px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);

  --display: Georgia, serif;
  --sans: Geist, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  font-feature-settings:
    "kern" 1,
    "liga" 1,
    "calt" 1,
    "cv05" 1;
}

::selection {
  background: rgba(193, 95, 60, 0.18);
  color: var(--ink);
}

a {
  color: inherit;
  text-decoration: none;
}
button,
input {
  font: inherit;
  color: inherit;
}
button {
  cursor: pointer;
}

button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 2px solid rgb(var(--brand));
  outline-offset: 2px;
  border-radius: 4px;
}

h1,
h2,
h3 {
  margin: 0;
  text-wrap: balance;
}
p {
  margin: 0;
  text-wrap: pretty;
}

.aurora,
.ambient,
.grain,
.starfield,
.prism,
.scanlines,
.crt {
  display: none;
}

.lab-shell {
  position: relative;
  width: min(var(--wrap), calc(100% - 48px));
  margin: 0 auto;
  padding: 0 0 72px;
}

.lab-nav {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  padding: 26px 2px 18px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--rule);
}

.brand-link {
  display: grid;
  gap: 3px;
}
.brand-mark {
  display: none;
}
.brand-text {
  display: grid;
  gap: 2px;
}
.brand-title {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.42rem;
  letter-spacing: 0;
  color: var(--ink);
}
.brand-sub {
  font-size: 0.78rem;
  color: var(--ink-3);
  letter-spacing: 0;
}

.nav-readout {
  display: flex;
  align-items: baseline;
  gap: 22px;
  margin-left: auto;
  font-size: 0.78rem;
  color: var(--ink-3);
}
.nav-readout i {
  font-style: normal;
  color: var(--ink-3);
}
.nav-readout .nav-rating {
  color: var(--ink-2);
}
.nav-readout .ok {
  color: var(--brand-ink);
}
.nav-readout .nav-aff {
  color: var(--ink-2);
}

.lab-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.lab-actions .text-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}
.controls input[type="range"] {
  border: 0;
  padding: 0;
  background: transparent;
  min-height: 32px;
}
.controls input[type="checkbox"] {
  width: 24px;
  height: 24px;
  min-height: 24px;
  padding: 0;
}
.chip {
  border-radius: 4px;
}

.text-link {
  color: var(--ink-2);
  font-size: 0.82rem;
  font-weight: 500;
  border-bottom: 1px solid transparent;
  transition:
    color 0.18s var(--ease),
    border-color 0.18s var(--ease);
}
.text-link:hover {
  color: var(--brand-ink);
  border-color: rgba(193, 95, 60, 0.4);
}

.text-button {
  padding: 4px 6px;
  background: none;
  border: none;
  color: var(--ink-3);
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: 6px;
  transition:
    color 0.18s var(--ease),
    background 0.18s var(--ease);
}
.text-button:hover {
  color: var(--ink);
  background: var(--paper-sunken);
}

.outline-button,
.solid-button,
.ghost-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 36px;
  padding: 0 16px;
  border-radius: 9px;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.82rem;
  letter-spacing: 0;
  transition:
    background 0.18s var(--ease),
    border-color 0.18s var(--ease),
    color 0.18s var(--ease),
    box-shadow 0.18s var(--ease);
}

.outline-button {
  width: 100%;
  border: 1px solid var(--rule-strong);
  background: var(--paper-raised);
  color: var(--ink);
  box-shadow: var(--shadow-sm);
}
.outline-button:hover {
  border-color: var(--ink-3);
  background: #fff;
}

.solid-button {
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
}
.solid-button:hover {
  background: #000;
}
.solid-button:disabled,
.outline-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  box-shadow: none;
}

.ghost-button {
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid var(--rule);
  background: var(--paper);
  color: var(--ink-2);
  font-size: 0.78rem;
  border-radius: 8px;
}
.ghost-button:hover {
  border-color: var(--ink-3);
  color: var(--ink);
}
.ghost-button.active {
  border-color: rgba(193, 95, 60, 0.55);
  background: rgba(193, 95, 60, 0.08);

  color: var(--brand-ink);
  font-weight: 600;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--ink-3);
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: uppercase;
}
.kicker::before {
  content: "";
  width: 16px;
  height: 1px;
  background: var(--rule-strong);
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 10px;
  color: var(--ink-3);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: uppercase;
}
.mono {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}
.tiny {
  color: var(--ink-3);
  font-size: 0.75rem;
}

.console {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr) 300px;
  gap: 28px;
  align-items: start;
}

.console-rail {
  position: sticky;
  top: 18px;
  max-height: calc(100vh - 36px);
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.rail-head {
  padding: 0 2px 14px;
}
.rail-head .eyebrow {
  margin-bottom: 8px;
}
.rail-head h2 {
  font-family: var(--display);
  font-weight: 500;
  font-size: 1.34rem;
  letter-spacing: 0;
  color: var(--ink);
}
.rail-stats {
  display: flex;
  gap: 16px;
  margin-top: 12px;
  font-size: 0.75rem;
  color: var(--ink-3);
}
.rail-stats strong {
  color: var(--ink);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.rail-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 16px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: transparent;
  color: var(--ink-2);
  font-size: 0.75rem;
  font-weight: 500;
  transition:
    border-color 0.18s var(--ease),
    background 0.18s var(--ease),
    color 0.18s var(--ease);
}
.chip:hover {
  border-color: var(--ink-3);
  color: var(--ink);
}
.chip.active {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}
.chip-n {
  font-variant-numeric: tabular-nums;
  font-size: 0.75rem;
  opacity: 0.7;
}

.rail-group {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 14px 4px 6px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
  color: var(--ink-3);
  background: linear-gradient(180deg, var(--paper) 62%, transparent);
}
.rail-group:first-child {
  padding-top: 4px;
}

.project-list {
  flex: 1 1 auto;
  min-height: 0;
  margin-top: 14px;
  padding-right: 4px;
  border-top: 1px solid var(--rule);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--rule-strong) transparent;
}
.project-list::-webkit-scrollbar {
  width: 7px;
}
.project-list::-webkit-scrollbar-thumb {
  background: var(--rule-strong);
  border-radius: 7px;
}

.project-card {
  position: relative;
  display: grid;
  grid-template-columns: 26px 1fr;
  column-gap: 12px;
  width: 100%;
  padding: 12px 12px 12px 8px;
  border: none;
  border-bottom: 1px solid var(--rule);
  border-left: 2px solid transparent;
  background: none;
  text-align: left;
  transition:
    background 0.16s var(--ease),
    border-color 0.16s var(--ease),
    transform 0.16s var(--ease);
}
.project-card:hover {
  background: var(--paper-raised);
  transform: translateX(2px);
}
.project-card.active {
  background: var(--paper-raised);
  border-left-color: rgb(var(--brand));
}

.card-index {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ink-3);
  padding-top: 2px;
  font-variant-numeric: tabular-nums;
}
.project-card.active .card-index {
  color: var(--brand-ink);
}
.card-body {
  min-width: 0;
  display: grid;
  gap: 3px;
}

.status-line {
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-kicker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ink-3);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0;
}
.card-kicker::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgb(var(--accent));
}

.project-card h2 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.92rem;
  line-height: 1.3;
  letter-spacing: 0;
  color: var(--ink);
}
.project-card p {
  color: var(--ink-2);
  font-size: 0.8rem;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: uppercase;
  color: var(--ink-3);
}
.badge.live {
  color: var(--brand-ink);
}
.badge.live::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgb(var(--brand));
}
.tags {
  display: none;
}

.console-stage {
  display: grid;
  gap: 24px;
  min-width: 0;
}

.viewport-panel,
.detail-grid .panel {
  min-width: 0;
  border: 1px solid var(--rule);
  border-radius: var(--r);
  background: var(--paper-raised);
  box-shadow: var(--shadow);
}
.viewport-panel {
  overflow: hidden;
}

.viewport-header,
.analysis-header,
.control-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 20px 14px;
}
.viewport-header {
  border-bottom: 1px solid var(--rule);
  align-items: center;
}
.viewport-header .kicker {
  margin-bottom: 6px;
}
.viewport-header h3,
.analysis-header h3,
.control-header h3 {
  font-family: var(--display);
  font-weight: 500;
  font-size: 1.34rem;
  letter-spacing: 0;
  color: var(--ink);
}
.analysis-header h3,
.control-header h3 {
  font-size: 1.12rem;
}
.viewport-tools,
.preset-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.console-stage .viewport-stage {
  height: min(54vh, 540px);
  min-height: 380px;
}
.viewport-stage {
  position: relative;
  margin: 16px;
  border-radius: var(--r-screen);
  overflow: hidden;
  background: var(--screen);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
}
.viewport-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.035),
      transparent 12%,
      transparent 86%,
      rgba(0, 0, 0, 0.22)
    ),
    repeating-linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.024) 0 1px,
      transparent 1px 5px
    );
  mix-blend-mode: screen;
  opacity: 0.32;
}
.viewport-stage canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.viewport-caption {
  padding: 0 20px 18px;
  color: var(--ink-2);
  font-size: 0.84rem;
  line-height: 1.55;
}
.viewport-caption b {
  color: var(--ink);
  font-weight: 600;
}

.empty-stage {
  position: relative;
  margin: 16px;
  min-height: 360px;
  display: grid;
  place-items: center;
  padding: 24px;
  border-radius: var(--r-screen);
  color: var(--ink-2);
  text-align: center;
  background: var(--paper-sunken);
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}
.detail-grid .panel {
  padding: 22px;
}
.detail-grid .panel-math {
  grid-column: 1 / -1;
  order: -2;
}
.detail-grid .panel-signals {
  grid-column: 1 / -1;
  order: -1;
  padding: 0;
}
.detail-grid .panel-about {
  order: 0;
}
.detail-grid .panel-future {
  order: 1;
}

.panel .kicker {
  margin-bottom: 12px;
}
.panel h3 {
  margin-bottom: 14px;
  font-family: var(--display);
  font-weight: 500;
  font-size: 1.22rem;
  letter-spacing: 0;
  color: var(--ink);
}

.analysis-header {
  padding: 20px 22px 0;
}
.analysis-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 20px;
  padding: 16px 22px 22px;
}
.chart-wrap {
  height: 220px;
  min-height: 220px;

  min-width: 0;
  border-radius: var(--r-sm);
  overflow: hidden;
  background: var(--screen);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

.chart-wrap canvas {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 220px;
}

#viewportMount,
#detailMount {
  min-width: 0;
}
.viewport-stage canvas {
  max-width: 100%;
}

.metric-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--rule);
}
.metric {
  padding: 12px 4px;
  border-bottom: 1px solid var(--rule);
}
.metric:nth-child(odd) {
  padding-right: 16px;
}
.metric:nth-child(even) {
  padding-left: 16px;
  border-left: 1px solid var(--rule);
}
.metric span {
  display: block;
  color: var(--ink-3);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: uppercase;
}
.metric strong {
  display: block;
  margin-top: 4px;
  font-family: var(--mono);
  font-size: 1.28rem;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}

.log-list {
  grid-column: 1 / -1;
  list-style: none;
  margin: 0;
  padding: 12px 0 0;
  display: grid;
  gap: 5px;
  border-top: 1px solid var(--rule);
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: 0.75rem;
}
.log-list li {
  overflow-wrap: anywhere;
}
.log-list li:first-child {
  color: var(--ink-2);
}

.math-list {
  display: grid;
  gap: 10px;
}
.equation {
  position: relative;
  max-width: 100%;
  min-width: 0;
  overflow-x: auto;
  padding: 14px 16px 14px 18px;
  border: 1px solid var(--rule);
  border-radius: var(--r-sm);
  background: var(--paper);
  color: var(--ink);
  opacity: 0.55;
  transition:
    opacity 0.4s var(--ease),
    border-color 0.4s var(--ease),
    background 0.4s var(--ease);
}
.equation::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 2px;
  border-radius: 2px;
  background: transparent;
  transition: background 0.4s var(--ease);
}
.equation.eq-active {
  opacity: 1;
  background: var(--paper-raised);
  border-color: var(--rule-strong);
}
.equation.eq-active::before {
  background: rgb(var(--brand));
}
.eqk {
  border-radius: 3px;
  padding: 0.02em 0.18em;
  transition:
    background 0.35s var(--ease),
    box-shadow 0.35s var(--ease);
}
.equation.eq-active .eqk {
  background: rgba(193, 95, 60, 0.14);
  box-shadow: inset 0 -2px 0 rgba(193, 95, 60, 0.55);
}
.equation .katex {
  color: var(--ink);
}
.equation .katex-display {
  max-width: 100%;
  margin: 0;
  overflow-x: auto;
  overflow-y: hidden;
}
.equation .katex-mathml {
  display: none !important;
}

.overview-copy {
  color: var(--ink-2);
  font-size: 0.92rem;
  line-height: 1.65;
}
.overview-copy p + p {
  margin-top: 12px;
}

.facts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-top: 18px;
  border-top: 1px solid var(--rule);
}
.fact {
  padding: 11px 0;
  border-bottom: 1px solid var(--rule);
}
.fact:nth-child(odd) {
  padding-right: 16px;
}
.fact:nth-child(even) {
  padding-left: 16px;
  border-left: 1px solid var(--rule);
}
.fact span {
  display: block;
  color: var(--ink-3);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: uppercase;
}
.fact strong {
  display: block;
  margin-top: 4px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink);
}

.steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}
.steps li {
  position: relative;
  padding: 0 0 0 28px;
  color: var(--ink-2);
  font-size: 0.9rem;
  line-height: 1.55;
  overflow-wrap: anywhere;
}
.steps li + li {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--rule);
}
.steps li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.1em;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ink-3);
}
.steps li + li::before {
  top: calc(12px + 0.1em);
}

.control-panel {
  position: sticky;
  top: 18px;
  align-self: start;
  overflow: visible;
  border: 1px solid var(--rule);
  border-radius: var(--r);
  background: var(--paper-raised);
  box-shadow: var(--shadow);
}
.console-controls {
  top: 18px;
}
.control-header {
  padding: 18px 20px 0;
}
.control-header .kicker {
  margin-bottom: 6px;
}
.controls {
  padding: 16px 20px 20px;
  display: grid;
  gap: 18px;
}
.preset-row {
  padding-bottom: 4px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 2px;
}

.control {
  display: grid;
  gap: 10px;
}
.control-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  color: var(--ink-2);
  font-size: 0.8rem;
  font-weight: 500;
}
.control-row output {
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;

  height: 24px;
  background: transparent;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 3px;
  border-radius: 3px;
  background: var(--paper-sunken);
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;

  margin-top: -6.5px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--paper-raised);
  border: 1px solid var(--ink);
  box-shadow: var(--shadow-sm);
  transition: transform 0.12s var(--ease);
}
input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.12);
}
input[type="range"]::-moz-range-thumb {
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--paper-raised);
  border: 1px solid var(--ink);
}
input[type="range"]::-moz-range-track {
  height: 3px;
  border-radius: 3px;
  background: var(--paper-sunken);
}

input[type="number"] {
  width: 100%;
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid var(--rule-strong);
  border-radius: 9px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--mono);
}
input[type="number"]:focus {
  outline: none;
  border-color: var(--ink-3);
}

.toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--ink-2);
  font-size: 0.8rem;
  font-weight: 500;
}
.toggle input {
  width: 38px;
  height: 20px;
  accent-color: rgb(var(--brand));
  cursor: pointer;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 56px;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
  color: var(--ink-3);
  font-size: 0.78rem;
}
.foot-barcode {
  display: none;
}

@media (max-width: 1140px) {
  .console {
    grid-template-columns: 250px minmax(0, 1fr);
    column-gap: 24px;
  }
  .console-controls {
    grid-column: 1 / -1;
    position: static;
    max-width: none;
  }
  .controls {
    grid-template-columns: repeat(2, 1fr);
  }
  .controls .preset-row,
  .controls .control:last-of-type,
  .controls .outline-button {
    grid-column: 1 / -1;
  }
  .nav-readout {
    display: none;
  }
}
@media (max-width: 860px) {
  .lab-shell {
    width: calc(100% - 32px);
  }
  .console {
    grid-template-columns: 1fr;
  }
  .console-rail {
    position: static;
    max-height: none;
  }
  .project-list {
    max-height: 360px;
  }
  .detail-grid,
  .analysis-grid {
    grid-template-columns: 1fr;
  }
  .controls {
    grid-template-columns: 1fr;
  }
  .lab-nav {
    flex-wrap: wrap;
    gap: 12px;
  }
  body {
    background: var(--paper);
  }
}

.lab-actions {
  display: flex;
  gap: 20px;
}
.load-error {
  padding: 20px;
  color: var(--ink);
}
.viewport-card,
.detail-card,
.control-panel {
  box-shadow: none;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}