@font-face {
  font-family: Sacramento;
  src: url("/static/fonts/Sacramento-Regular.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: Geist;
  src: url("/static/fonts/Geist-VariableFont_wght.ttf") format("truetype");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

@font-face {
  font-family: "Geist Mono";
  src: url("/static/fonts/GeistMono-VariableFont_wght.ttf") format("truetype");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --blueprint: #d4d9dc;
  --error: #9f2f2d;
  --grid: #ececec;
  --ink: #0a0a0a;
  --line: #ececec;
  --muted: #737a80;
  --page: #fafafa;
  --paper: #ffffff;
  --panel: #fafafa;
  --teal: #52ff00;
  --teal-soft: #ecffe5;
  --handle-radius: 4;
  --handle-outline: 1.5px;
  --handle-arm: 1px;
  --hint-period: 2400ms;
  --comparison-line: 2px;
  --comparison-glow: 0 0 6px var(--teal), 0 0 18px color-mix(in srgb, var(--teal) 55%, transparent);
}

@property --hint-angle {
  syntax: "<angle>";
  initial-value: 0deg;
  inherits: false;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  block-size: 100%;
}

body {
  background:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    var(--page);
  background-size: 24px 24px;
  block-size: 100%;
  color: var(--ink);
  font-family: Geist, "Helvetica Neue", Arial, sans-serif;
  margin: 0;
}

button,
input {
  font: inherit;
}

button:disabled {
  cursor: not-allowed;
}

a {
  color: var(--ink);
}

.demo-shell {
  block-size: 100dvb;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  overflow: hidden;
}

.demo-header {
  align-items: center;
  display: flex;
  gap: 16px;
  justify-content: space-between;
  min-inline-size: 0;
  padding: 16px clamp(18px, 4vw, 40px);
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-by {
  color: var(--muted);
  font-size: 13px;
}

.wordmark {
  align-items: center;
  display: inline-flex;
  gap: 12px;
  font-family: "Geist Mono", Geist, monospace;
  font-size: 13px;
  font-weight: 750;
  letter-spacing: 0.04em;
  min-inline-size: 0;
  text-decoration: none;
  text-transform: uppercase;
}

.wordmark-name {
  align-items: center;
  block-size: 56px;
  border: 1px solid var(--ink);
  display: inline-flex;
  flex: 0 0 auto;
  font-family: "Geist Mono", monospace;
  font-size: 11px;
  font-weight: 400;
  inline-size: 56px;
  justify-content: center;
  letter-spacing: 0.12em;
  line-height: 1;
  text-transform: uppercase;
}

.wordmark-mark {
  block-size: 28px;
  display: inline-block;
  flex: 0 0 auto;
  inline-size: 28px;
  object-fit: contain;
}

.run-meta {
  align-items: center;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  font-family: "Geist Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 12px;
  gap: 8px 14px;
  justify-content: flex-end;
  text-align: end;
}

.demo-main {
  display: grid;
  grid-template-rows: minmax(0, 1fr);
  min-block-size: 0;
  overflow: hidden;
  padding: clamp(18px, 4vw, 42px);
}

.canvas-column {
  container-type: size;
  display: grid;
  grid-template-rows: minmax(0, 1fr);
  block-size: 100%;
  min-block-size: 0;
  min-inline-size: 0;
  place-items: center;
}

.artboard-shell {
  --image-ratio: 1;
  inline-size: min(100cqw, calc(100cqh * var(--image-ratio)), 1024px);
  max-inline-size: 100%;
}

.artboard {
  aspect-ratio: var(--image-ratio);
  background: var(--paper);
  border: 1px solid color-mix(in srgb, var(--ink) 12%, transparent);
  display: grid;
  inline-size: 100%;
  overflow: hidden;
  position: relative;
}

.empty-state,
.blueprint-image,
.comparison-pane,
.comparison-pixel-grid,
.comparison-divider {
  grid-area: 1 / 1;
}

.empty-state {
  align-self: center;
  color: var(--muted);
  font-size: 13px;
  justify-self: center;
  padding-inline: 16px;
  pointer-events: none;
  text-align: center;
}

.empty-state[hidden] {
  display: none;
}

.blueprint-image {
  block-size: 100%;
  filter: grayscale(1);
  inline-size: 100%;
  mix-blend-mode: multiply;
  object-fit: contain;
  opacity: 0;
  transition: opacity 180ms ease;
}

.blueprint-image.is-visible {
  opacity: 1;
}

.comparison-pane {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.comparison-pane-vector {
  z-index: 2;
  pointer-events: auto;
}

.vector-layer,
.comparison-image,
.comparison-pixel-grid {
  inline-size: 100%;
  block-size: 100%;
}

.vector-layer {
  display: block;
}

.comparison-image {
  object-fit: contain;
  background: var(--paper);
  pointer-events: none;
  image-rendering: pixelated;
}

.comparison-pixel-grid {
  background-image:
    linear-gradient(color-mix(in srgb, var(--ink) 18%, transparent) var(--comparison-grid-line, 1px), transparent var(--comparison-grid-line, 1px)),
    linear-gradient(90deg, color-mix(in srgb, var(--ink) 18%, transparent) var(--comparison-grid-line, 1px), transparent var(--comparison-grid-line, 1px));
  background-size: var(--comparison-grid-x, 8px) var(--comparison-grid-y, 8px);
  background-position: var(--comparison-grid-offset-x, 0) var(--comparison-grid-offset-y, 0);
  opacity: 0;
  pointer-events: none;
  position: absolute;
  inset: 0;
  z-index: 4;
}

.artboard.is-comparing {
  cursor: default;
  touch-action: none;
}

.is-comparing .comparison-pane-raster {
  z-index: 3;
}

.is-comparing.is-pixel-grid-visible .comparison-pixel-grid {
  opacity: 0.42;
}

.comparison-divider {
  position: absolute;
  inset-block: 0;
  inset-inline-start: 50%;
  inline-size: 28px;
  transform: translateX(-50%);
  cursor: default;
  outline: none;
  pointer-events: none;
  z-index: 5;
}

.comparison-divider::before {
  content: "";
  position: absolute;
  inset-block: 0;
  inset-inline-start: calc(50% - var(--comparison-line) / 2);
  inline-size: var(--comparison-line);
  background: var(--teal);
  box-shadow: var(--comparison-glow);
}

.comparison-divider:focus-visible::before {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

.curve-path {
  fill: none;
  stroke: var(--ink);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: var(--trace-stroke-width, 1.35);
  vector-effect: non-scaling-stroke;
}

.curve-path.is-new {
  animation: draw-curve 420ms cubic-bezier(0.16, 1, 0.3, 1);
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
}

.curve-hit {
  fill: none;
  stroke: transparent;
  stroke-width: 10px;
  vector-effect: non-scaling-stroke;
  pointer-events: stroke;
  cursor: crosshair;
}

.curve-controls { pointer-events: none; }
#regionLayer { pointer-events: none; }
#regionLayer path {
  vector-effect: non-scaling-stroke;
}
.vector-layer.has-filled-regions.regions-complete[data-boundary-style="hidden"] #curveLayer .curve-path,
.vector-layer.has-filled-regions.regions-complete #curveLayer .curve-path:not([data-backend-colour="true"]) {
  opacity: 0;
}
.curve-controls polyline {
  fill: none;
  stroke: var(--ink);
  stroke-width: var(--handle-arm);
  vector-effect: non-scaling-stroke;
}
.curve-controls circle,
.curve-controls rect {
  fill: var(--paper);
  stroke: var(--ink);
  stroke-width: var(--handle-outline);
  vector-effect: non-scaling-stroke;
}
.curve-controls circle { r: var(--control-radius, 4px); }
.curve-controls rect {
  x: calc(0px - var(--control-radius, 4px));
  y: calc(0px - var(--control-radius, 4px));
  width: calc(2 * var(--control-radius, 4px));
  height: calc(2 * var(--control-radius, 4px));
}
.curve-controls circle[data-role="control"] { fill: var(--teal); }
.control-points-toggle,
.boundary-style-control { display: inline-flex; align-items: center; gap: 5px; cursor: pointer; }
.control-points-toggle input { margin: 0; accent-color: var(--teal); }
.boundary-style-control {
  color: var(--muted);
  font-size: 12px;
}
.boundary-style-control select {
  appearance: none;
  background: var(--paper);
  border: 1px solid color-mix(in srgb, var(--ink) 28%, transparent);
  border-radius: 999px;
  color: var(--ink);
  font: inherit;
  font-weight: 700;
  padding: 3px 22px 3px 9px;
}
.boundary-style-control select:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

.composer-region {
  background:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    color-mix(in srgb, var(--page) 92%, var(--paper));
  background-size: 24px 24px;
  border-block-start: 1px solid color-mix(in srgb, var(--ink) 12%, transparent);
  display: grid;
  gap: 10px;
  padding: 12px clamp(14px, 3vw, 28px) 16px;
  position: relative;
}

.progress-card {
  background: color-mix(in srgb, var(--panel) 82%, var(--paper));
  border: 1px solid color-mix(in srgb, var(--ink) 12%, transparent);
  min-block-size: 44px;
  overflow: hidden;
  padding: 10px 12px;
  position: relative;
}

.progress-blueprint {
  block-size: 100%;
  filter: grayscale(1);
  inline-size: 100%;
  inset: 0;
  object-fit: cover;
  opacity: 0;
  pointer-events: none;
  position: absolute;
  transition: opacity 180ms ease;
}

.progress-blueprint.is-visible {
  opacity: 0.6;
}

.progress-copy {
  align-items: baseline;
  display: flex;
  gap: 12px;
  justify-content: space-between;
  min-inline-size: 0;
  position: relative;
}

#stageLabel {
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  min-inline-size: max-content;
}

#stageDetail {
  color: var(--muted);
  font-size: 12px;
  overflow: hidden;
  text-align: end;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.progress-track {
  background: color-mix(in srgb, var(--ink) 8%, transparent);
  block-size: 3px;
  inline-size: 100%;
  margin-block-start: 9px;
  overflow: hidden;
  position: relative;
}

.progress-fill {
  background: var(--teal);
  block-size: 100%;
  display: block;
  inline-size: 0%;
  transform-origin: left center;
  transition: inline-size 180ms ease;
}

.progress-track.is-indeterminate .progress-fill {
  animation: indeterminate 1100ms ease-in-out infinite;
  inline-size: 38%;
  position: absolute;
}

.prompt-form {
  align-items: center;
  background: var(--paper);
  border: 1px solid var(--ink);
  display: grid;
  gap: 8px;
  grid-template-columns: 42px auto minmax(0, 1fr) 42px;
  min-block-size: 54px;
  padding: 6px;
}

.upload-button,
.brain-button,
.send-button {
  align-items: center;
  border: 0;
  cursor: pointer;
  display: inline-grid;
  justify-content: center;
  padding: 0;
}

.upload-button {
  position: relative;
  background: var(--teal);
  color: var(--ink);
  min-block-size: 42px;
  min-inline-size: 42px;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.upload-button svg,
.brain-button svg {
  block-size: 19px;
  fill: none;
  inline-size: 19px;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.upload-button:hover:not(:disabled),
.upload-button:focus-visible {
  background: var(--ink);
  color: var(--teal);
}

.upload-button:active:not(:disabled) {
  transform: scale(0.96);
}

.upload-button:disabled {
  background: var(--panel);
  color: var(--muted);
}

.brain-button {
  position: relative;
  z-index: 1;
  background: var(--paper);
  border: 1px solid var(--teal);
  color: var(--ink);
  min-block-size: 42px;
  min-inline-size: 42px;
}

.brain-button[aria-pressed="true"] {
  background: var(--teal);
  color: var(--ink);
}

.action-hint::after {
  content: "";
  position: absolute;
  inset: -3px;
  padding: 2px;
  pointer-events: none;
  background: conic-gradient(from var(--hint-angle), transparent 65%, var(--teal) 85%, transparent);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  filter: drop-shadow(0 0 6px var(--teal));
  animation: action-orbit var(--hint-period) linear infinite;
}

@keyframes action-orbit {
  to { --hint-angle: 360deg; }
}

.brain-button:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

.brain-controls {
  inline-size: 92px;
  block-size: 42px;
  position: relative;
  isolation: isolate;
  z-index: 2;
  transition: inline-size 180ms ease;
}

.brain-controls.is-direct {
  inline-size: 42px;
}

.ratio-button {
  position: absolute;
  inset-inline-start: 50px;
  inset-block-start: 0;
  inline-size: 42px;
  block-size: 42px;
  border: 1px solid var(--teal);
  background: var(--paper);
  color: var(--ink);
  font: 700 12px "Geist Mono", "SFMono-Regular", Consolas, monospace;
  font-variant-numeric: tabular-nums;
  cursor: pointer;
  padding: 0;
  transition: transform 180ms ease, opacity 180ms ease, visibility 180ms;
}

.brain-controls.is-direct .ratio-button {
  transform: translateX(-50px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.ratio-button:disabled { cursor: default; }
.ratio-button:hover:not(:disabled), .ratio-button[aria-expanded="true"] {
  background: var(--teal-soft);
}

.ratio-button:focus-visible, .ratio-menu button:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

.ratio-menu {
  position: absolute;
  inset-block-end: calc(100% + 14px);
  inset-inline-start: 0;
  inline-size: 204px;
  max-block-size: min(320px, 60vh);
  overflow-y: auto;
  padding: 5px;
  border: 1px solid color-mix(in srgb, var(--ink) 12%, transparent);
  background: var(--paper);
  box-shadow: 0 5px 20px color-mix(in srgb, var(--ink) 7%, transparent);
  z-index: 3;
}

.ratio-menu button {
  display: flex;
  align-items: center;
  gap: 14px;
  inline-size: 100%;
  min-block-size: 36px;
  padding: 7px 10px;
  border: 0;
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  font-size: 12px;
  text-align: start;
  cursor: pointer;
}

.ratio-menu b { inline-size: 40px; font-variant-numeric: tabular-nums; }
.ratio-menu button:hover, .ratio-menu button[aria-checked="true"] { background: var(--teal-soft); }

@media (prefers-reduced-motion: reduce) {
  .action-hint::after {
    animation: none;
    background: var(--teal);
  }
  .brain-controls, .ratio-button { transition: none; }
}

/* The refreshed workspace keeps navigation and output tools above the canvas. */
.demo-shell {
  grid-template-rows: auto minmax(0, 1fr);
}

.demo-header { gap: 24px; padding-block: 20px; }
.demo-main {
  grid-template-rows: minmax(0, 1fr);
  place-items: center;
  container-type: size;
  padding: 10px clamp(20px, 5vw, 64px) 28px;
}
.canvas-workspace {
  --image-ratio: 1;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  inline-size: 100%;
  block-size: min(100cqh, calc(min(calc(100cqw - 96px), 1024px) / var(--image-ratio) + 86px));
  gap: 18px;
  min-block-size: 0;
}
.canvas-column { position: relative; padding-inline: 48px; }
.artboard-shell { position: relative; }
.artboard { border-radius: 8px; }
.composer-region {
  background: none;
  border: 0;
  padding: 0;
  justify-self: center;
  inline-size: min(100%, 780px);
  z-index: 5;
}
.demo-header .progress-card {
  inline-size: clamp(170px, 24vw, 310px);
  min-block-size: 0;
  margin-inline-start: auto;
  padding: 8px 12px;
  background: transparent;
  border: 0;
  border-radius: 8px;
}
.demo-header .progress-copy { gap: 14px; }
.demo-header .progress-track { margin-block-start: 7px; block-size: 2px; }
#stageLabel::before {
  content: "";
  display: inline-block;
  inline-size: 6px;
  block-size: 6px;
  border-radius: 50%;
  background: var(--teal);
  margin-inline-end: 8px;
  vertical-align: 2px;
}
.canvas-actions { display: flex; align-items: center; gap: 12px; }
.view-tabs {
  display: flex;
  align-items: center;
  background: color-mix(in srgb, var(--paper) 75%, transparent);
  border: 1px solid color-mix(in srgb, var(--ink) 10%, transparent);
  border-radius: 9px;
  padding: 3px;
  gap: 3px;
}
.view-tabs button {
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font: 550 12px Geist, sans-serif;
  padding: 8px 15px;
  transition: background 160ms ease, color 160ms ease;
}
.view-tabs button[aria-selected="true"] { background: var(--ink); color: var(--paper); }
.view-tabs button:disabled { opacity: 0.38; cursor: default; }
.view-tabs button:focus-visible, .canvas-icon-button:focus-visible, .theme-toggle:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}
.canvas-icon-button {
  display: inline-grid;
  place-items: center;
  inline-size: 36px;
  block-size: 36px;
  flex: 0 0 auto;
  padding: 0;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: background 160ms ease, opacity 160ms ease;
}
.canvas-icon-button svg, .theme-toggle svg {
  inline-size: 18px;
  block-size: 18px;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}
.canvas-icon-button:hover, .canvas-icon-button[aria-pressed="true"], .canvas-icon-button[aria-expanded="true"] {
  background: color-mix(in srgb, var(--ink) 7%, transparent);
}
.canvas-icon-button:disabled { opacity: 0.28; cursor: default; }
.settings-disclosure { position: relative; z-index: 30; }
.settings-button svg { transition: transform 240ms cubic-bezier(0.16, 1, 0.3, 1); }
.settings-button[aria-expanded="true"] svg { transform: rotate(90deg); }
.settings-panel {
  position: absolute;
  inset-block-start: calc(100% + 12px);
  inset-inline-end: 0;
  inline-size: 280px;
  max-block-size: min(440px, calc(100dvh - 110px));
  overflow: auto;
  background: var(--paper);
  border: 1px solid color-mix(in srgb, var(--ink) 10%, transparent);
  border-radius: 12px;
  box-shadow: 0 12px 35px color-mix(in srgb, var(--ink) 9%, transparent);
  padding: 16px;
  opacity: 0;
  transform: translateY(-10px) scale(0.98);
  transform-origin: top right;
  transition: opacity 180ms ease, transform 230ms cubic-bezier(0.16, 1, 0.3, 1);
}
.settings-panel.is-open { opacity: 1; transform: translateY(0) scale(1); }
.settings-heading { margin-block-end: 14px; color: var(--muted); font-size: 11px; font-weight: 600; }
.theme-toggle {
  border: 0;
  padding: 0 0 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: transparent;
  color: var(--ink);
  inline-size: 100%;
  font-size: 12px;
  cursor: pointer;
}
.theme-toggle[aria-pressed="true"] svg { color: var(--teal); }
.settings-panel .download-row { display: grid; gap: 14px; justify-content: stretch; }
.settings-panel .boundary-style-control { justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.settings-panel .boundary-style-control select { max-inline-size: 150px; }
.settings-panel .control-points-toggle { color: var(--ink); font-size: 12px; gap: 9px; }
.settings-panel .download-controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  justify-content: stretch;
  gap: 12px;
  padding-block-start: 14px;
  border-block-start: 1px solid color-mix(in srgb, var(--ink) 10%, transparent);
}
.settings-panel .download-controls label { grid-column: 1 / -1; }
.settings-panel .download-controls a {
  text-decoration: none;
  background: color-mix(in srgb, var(--ink) 4%, transparent);
  border-radius: 6px;
  padding: 9px;
  font-size: 11px;
  text-align: center;
}
.settings-panel .download-controls a:hover { background: var(--teal-soft); }
.canvas-tools {
  position: absolute;
  inset-inline-start: -58px;
  inset-block-start: 50%;
  transform: translateY(-50%);
  display: grid;
  justify-items: center;
  gap: 3px;
  padding: 5px;
  background: var(--paper);
  border: 1px solid color-mix(in srgb, var(--ink) 10%, transparent);
  border-radius: 10px;
  z-index: 4;
}
.canvas-tools-divider { inline-size: 20px; block-size: 1px; background: color-mix(in srgb, var(--ink) 10%, transparent); margin: 3px; }
.zoom-label { color: var(--muted); font: 10px "Geist Mono", monospace; margin-block: 3px; }
.artboard.is-pan-mode { touch-action: none; cursor: grab; user-select: none; }
.artboard.is-pan-mode .curve-hit { pointer-events: none; }
.artboard.is-panning { cursor: grabbing; }
.is-input-view .blueprint-image { visibility: hidden; }
.comparison-pane-raster { z-index: 3; }
.is-input-view.is-pixel-grid-visible .comparison-pixel-grid { opacity: 0.3; }
html[data-theme="dark"] {
  --blueprint: #465050;
  --grid: #252727;
  --ink: #f1f4f2;
  --line: #323735;
  --muted: #9ba4a0;
  --page: #1b1d1c;
  --paper: #242725;
  --panel: #202321;
  --teal-soft: #304828;
  color-scheme: dark;
}
@media (max-width: 900px) {
  .demo-header { gap: 14px; }
  .demo-header .progress-card { inline-size: 140px; padding-inline: 0; }
  .demo-header #stageDetail { display: none; }
  .demo-main { padding-inline: 20px; }
}
@media (max-width: 640px) {
  .demo-header { flex-wrap: wrap; padding: 16px 18px 8px; }
  .demo-header .brand-lockup { margin-inline-end: auto; }
  .demo-header .progress-card { order: 3; inline-size: 100%; padding: 3px 0; }
  .demo-header .progress-copy { flex-direction: row; }
  .demo-header #stageDetail { display: inline; }
  .demo-header .progress-track { margin-block-start: 5px; }
  .canvas-actions { gap: 5px; }
  .view-tabs button { padding: 7px 10px; }
  .demo-main { padding: 10px 14px 18px; gap: 14px; }
  .canvas-workspace {
    block-size: min(100cqh, calc(min(calc(100cqw - 44px), 1024px) / var(--image-ratio) + 74px));
    gap: 14px;
  }
  .canvas-column { padding-inline: 22px; }
  .canvas-tools { inset-inline-start: -26px; padding: 3px; }
  .canvas-tools .canvas-icon-button { inline-size: 30px; block-size: 30px; }
  .settings-panel { inline-size: min(280px, calc(100vw - 32px)); }
  .zoom-label { font-size: 9px; }
}

#promptInput {
  border: 0;
  color: var(--ink);
  inline-size: 100%;
  min-inline-size: 0;
  outline: 0;
  padding: 0 12px;
}

#promptInput::placeholder {
  color: var(--muted);
  opacity: 0.75;
}

.send-button {
  background: var(--ink);
  color: var(--paper);
  min-block-size: 42px;
  min-inline-size: 42px;
  transition: background 160ms ease, transform 160ms ease;
}

.send-button svg {
  block-size: 21px;
  fill: none;
  inline-size: 21px;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.send-button:active {
  transform: scale(0.96);
}

.send-button:disabled {
  background: var(--muted);
}

.prompt-form:focus-within {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

.download-row,
.download-controls {
  display: flex;
  flex-wrap: wrap;
  font-size: 12px;
  gap: 10px;
  justify-content: flex-end;
}

.download-row a {
  text-decoration-color: var(--teal);
  text-underline-offset: 3px;
}

.visually-hidden {
  block-size: 1px;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  inline-size: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
}

@keyframes indeterminate {
  0% {
    transform: translateX(-120%);
  }
  100% {
    transform: translateX(280%);
  }
}

@keyframes draw-curve {
  from {
    stroke-dashoffset: 1;
  }
  to {
    stroke-dashoffset: 0;
  }
}

@media (max-width: 640px) {
  .run-meta {
    justify-content: flex-start;
    text-align: start;
  }

  .demo-main {
    padding: 14px;
  }

  .progress-copy {
    align-items: flex-start;
    flex-direction: column;
    gap: 2px;
  }

  #stageDetail {
    text-align: start;
    white-space: normal;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
  }
}

@media (max-width: 640px) {
  .demo-main { padding: 10px 14px 18px; }
  .demo-header .progress-copy { align-items: baseline; flex-direction: row; gap: 12px; }
  .demo-header #stageDetail { text-align: end; white-space: nowrap; }
}