@font-face {
  font-family: "inter";
  src: url("fonts/inter-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "inter";
  src: url("fonts/inter-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "inter";
  src: url("fonts/inter-600.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "inter";
  src: url("fonts/inter-700.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "interDisplay";
  src: url("fonts/interDisplay-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "interDisplay";
  src: url("fonts/interDisplay-600.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "interDisplay";
  src: url("fonts/interDisplay-700.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("fonts/JetBrainsMono-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("fonts/JetBrainsMono-Medium.ttf") format("truetype");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("fonts/JetBrainsMono-SemiBold.ttf") format("truetype");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("fonts/JetBrainsMono-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #000000;
  --bg-elev: #232529;
  --bg-panel: #101112;
  --border: #2e3238;
  --border-strong: #383e47;
  --text: #ffffff;
  --muted: #cdced2;
  --faint: #9fa4ae;
  --accent: #266df0;
  --text-accent: #4d8bf8;
  --accent-dim: rgba(38, 109, 240, 0.15);
  --ok: #00c978;
  --ok-dim: rgba(0, 201, 120, 0.18);
  --warn: #ff5454;
  --warn-dim: rgba(255, 84, 84, 0.18);
  --amber: #f5a623;
  --rail-w: 268px;
  --panel-w: 300px;
  --radius: 11px;
  --radius-sm: 8px;
  --radius-pill: 9999px;
  --font: "inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: "interDisplay", "inter", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --shadow-raised: 0 1px 3px rgba(0, 0, 0, 0.28), 0 0 2px rgba(28, 40, 64, 0.18);
  --shadow-overlay: 0 16px 48px rgba(0, 0, 0, 0.5), 0 0 0 1px #383e47;
}

:root[data-theme="light"],
body.light-theme,
[data-theme="light"] {
  --bg: #f7f8fa;
  --bg-elev: #ffffff;
  --bg-panel: #ffffff;
  --border: #e2e4e8;
  --border-strong: #d0d4dc;
  --text: #111418;
  --muted: #4b525d;
  --faint: #545b67;
  --accent: #266df0;
  --text-accent: #1654c7;
  --accent-dim: rgba(38, 109, 240, 0.1);
  --ok: #007d53;
  --ok-dim: rgba(0, 125, 83, 0.12);
  --warn: #d93025;
  --warn-dim: rgba(217, 48, 37, 0.12);
  --amber: #b45309;
  --shadow-raised: 0 1px 3px rgba(0, 0, 0, 0.08), 0 0 2px rgba(0, 0, 0, 0.04);
  --shadow-overlay: 0 16px 40px rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(0, 0, 0, 0.08);
}

.btn-theme {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.theme-icon {
  font-size: 13px;
  line-height: 1;
}

.theme-text {
  font-size: 12px;
  font-weight: 600;
}

[data-theme="light"] .prompt-chip .prompt-label {
  color: #4b525d;
}

[data-theme="light"] .prompt-chip .prompt-text {
  color: var(--text-accent);
}

[data-theme="light"] .stage {
  background: var(--bg);
}

[data-theme="light"] .payload-json {
  background: #f4f5f7;
  border-color: var(--border);
}

[data-theme="light"] .payload-json .jk {
  color: #505155;
}

[data-theme="light"] .payload-json .js {
  color: #1d4ed8;
}

[data-theme="light"] .payload-json .jn {
  color: #007d53;
}

[data-theme="light"] .frame-wrap {
  border-color: var(--border-strong);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

[data-theme="light"] .meter-track {
  background: rgba(0, 0, 0, 0.07);
}

[data-theme="light"] .meter-mark {
  background: var(--text);
  opacity: 0.35;
}

[data-theme="light"] .training-tile .tile-meta,
[data-theme="light"] .deploy-photo-meta {
  color: #ffffff;
}

[data-theme="light"] .rail-item:hover {
  background: rgba(38, 109, 240, 0.08);
}

[data-theme="light"] .rail-item.active {
  background: rgba(38, 109, 240, 0.12);
  border-color: rgba(38, 109, 240, 0.28);
}

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

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

:focus:not(:focus-visible) {
  outline: none;
}

[hidden] {
  display: none !important;
}

.stat-grid[hidden],
.stat[hidden],
.class-list[hidden],
.export-panel[hidden],
.count-board[hidden],
.panel-dataset[hidden],
.provenance[hidden],
.prompt-chip[hidden],
.scan-line[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.45;
}

body {
  overflow: hidden;
}

.app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  min-height: 640px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-panel);
  flex-shrink: 0;
}

.brand-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.brand-sub {
  color: var(--muted);
  font-size: 12px;
  margin-top: 2px;
}

.tour-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn {
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0 12px;
  font: inherit;
  font-size: 13px;
  font-weight: 550;
  line-height: 1;
  font-family: var(--font);
  border: 1px solid var(--border-strong);
  background: var(--bg-panel);
  color: var(--text);
  border-radius: var(--radius);
  cursor: pointer;
  box-sizing: border-box;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
  transition: background 0.15s, border-color 0.15s, opacity 0.15s, color 0.15s;
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.btn:hover {
  background: var(--bg-elev);
  border-color: var(--border-highlight);
}

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
  box-shadow: 0 1px 3px rgba(38, 109, 240, 0.28);
}

.btn.primary:hover {
  opacity: 0.94;
}

.btn.primary.playing {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

.btn.ghost {
  background: var(--bg-panel);
}

.btn.ghost:hover {
  background: var(--bg-elev);
  border-color: var(--border-highlight);
}

.btn-motion {
  position: relative;
}

.btn-motion.active {
  background: var(--accent-dim);
  border-color: rgba(38, 109, 240, 0.45);
  color: var(--text);
}

.btn-motion.active::after {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  margin-left: 2px;
  box-shadow: 0 0 6px var(--accent);
}

[data-theme="light"] .btn-motion.active {
  background: rgba(38, 109, 240, 0.1);
  border-color: rgba(38, 109, 240, 0.35);
  color: #111418;
}

[data-theme="light"] .btn-motion.active::after {
  background: var(--accent);
  box-shadow: 0 0 4px rgba(38, 109, 240, 0.4);
}

.progress-track {
  height: 3px;
  background: var(--border);
  flex-shrink: 0;
}

.progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--ok));
  transition: width 0.25s linear;
}

.layout {
  display: grid;
  grid-template-columns: var(--rail-w) 1fr var(--panel-w);
  flex: 1;
  min-height: 0;
}

.rail {
  border-right: 1px solid var(--border);
  background: var(--bg-panel);
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
}

.rail-heading {
  padding: 4px 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--faint);
}

.rail-heading.active {
  color: var(--text-accent);
}

.rail-heading-split {
  margin-top: 4px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

.rail-item {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 8px;
  align-items: start;
  padding: 8px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  text-align: left;
  cursor: pointer;
  font: inherit;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.rail-item:hover {
  background: var(--accent-dim);
  color: var(--text);
}

.rail-item.active {
  background: var(--accent-dim);
  border-color: rgba(38, 109, 240, 0.35);
  color: var(--text);
}

.rail-num {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 11px;
  font-weight: 700;
  background: var(--border);
  color: var(--muted);
}

.rail-item.active .rail-num {
  background: var(--accent);
  color: #ffffff;
}

.rail-item.done .rail-num {
  background: var(--ok-dim);
  color: var(--ok);
}

.rail-label {
  font-weight: 600;
  font-size: 13px;
}

.rail-sub {
  font-size: 11px;
  line-height: 1.35;
  color: var(--faint);
  margin-top: 1px;
}

.stage {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  background: var(--bg);
}

.stage-chrome {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.stage-caption {
  color: var(--muted);
  font-size: 13px;
}

.prompt-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: var(--accent-dim);
  border: 1px solid rgba(38, 109, 240, 0.4);
  font-family: var(--mono);
  font-size: 12px;
}

.prompt-label {
  color: var(--faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 11px;
}

.prompt-text {
  color: var(--text-accent);
  min-width: 4ch;
}

.prompt-text::after {
  content: "▋";
  animation: blink 0.9s step-end infinite;
  margin-left: 1px;
  opacity: 0.7;
}

.prompt-chip.done .prompt-text::after {
  display: none;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

.viewport {
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 16px;
  position: relative;
}

.frame-wrap {
  position: relative;
  flex: 0 0 auto;
  width: fit-content;
  height: fit-content;
  max-width: 100%;
  max-height: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-overlay);
  background: var(--bg);
  opacity: 0;
  transform: scale(0.985);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.frame-wrap.visible {
  opacity: 1;
  transform: scale(1);
}

/* Count-stage images: size to the photo. Overlay follows the img box. */
.frame-wrap img {
  display: block;
  max-width: 100%;
  max-height: calc(100vh - 260px);
  width: auto;
  height: auto;
}

/* Training stages: lock wrap to the painted 16:9 box so polygons stay registered. */
.frame-wrap.fitted {
  width: auto;
  height: auto;
}

.frame-wrap.fitted img {
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  object-fit: fill;
}

.overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.overlay polygon {
  fill-opacity: 0.18;
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
  transition: opacity 0.35s ease, fill-opacity 0.35s ease, transform 0.35s ease;
  transform-box: fill-box;
  transform-origin: center;
}

.overlay polygon.draw-in {
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  animation: drawPoly 0.55s ease forwards;
}

.overlay polygon.prune {
  fill: var(--warn) !important;
  stroke: var(--warn) !important;
  fill-opacity: 0.28;
}

.overlay polygon.prune.out {
  opacity: 0;
  transform: scale(0.7);
  transition-duration: 0.7s;
}

.overlay polygon.pop {
  fill: var(--ok) !important;
  stroke: var(--ok) !important;
  animation: popIn 0.9s ease forwards;
}

.overlay circle.ring {
  fill: none;
  stroke: var(--ok);
  stroke-width: 2;
  opacity: 0;
  vector-effect: non-scaling-stroke;
}

.overlay circle.ring.pulse {
  animation: ringPulse 1.4s ease-out forwards;
}

@keyframes drawPoly {
  to {
    stroke-dashoffset: 0;
  }
}

@keyframes popIn {
  from {
    opacity: 0;
    transform: scale(0.6);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes ringPulse {
  0% {
    opacity: 0.9;
    r: 8;
  }
  100% {
    opacity: 0;
    r: 28;
  }
}

.scan-line {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background: linear-gradient(180deg, transparent calc(100% - 2px), var(--accent) calc(100% - 2px), var(--accent));
  box-shadow: 0 0 12px var(--accent);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-100%);
}

.scan-line.active {
  opacity: 1;
  animation: scan 1.1s ease-in-out forwards;
}

@keyframes scan {
  from {
    transform: translateY(-100%);
  }
  to {
    transform: translateY(100%);
  }
}

.frame-fade {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 55%, rgba(0, 0, 0, 0.25));
}

.filmstrip {
  display: flex;
  gap: 8px;
  padding: 8px 16px 12px;
  overflow-x: auto;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
  background: var(--bg-elev);
}

.thumb {
  flex: 0 0 auto;
  width: 96px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  opacity: 0.55;
  background: var(--bg-panel);
  padding: 0;
  transition: opacity 0.15s, border-color 0.15s;
}

.thumb:hover,
.thumb.active {
  opacity: 1;
  border-color: var(--accent);
}

.thumb img {
  display: block;
  width: 100%;
  height: 54px;
  object-fit: cover;
}

.thumb .thumb-meta {
  font-size: 11px;
  color: var(--muted);
  padding: 4px 8px;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.panel {
  border-left: 1px solid var(--border);
  background: var(--bg-panel);
  padding: 16px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.panel-title {
  margin: 0;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--faint);
  font-weight: 700;
}

.panel-dataset {
  font-weight: 650;
  font-size: 14px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.stat {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 8px;
  text-align: center;
  box-shadow: var(--shadow-raised);
}

.stat-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--faint);
}

.stat-value {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  margin-top: 4px;
}

.stat-value.warn {
  color: var(--warn);
}

.stat-value.ok {
  color: var(--ok);
}

.class-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.class-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--radius);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-raised);
}

.class-swatch {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 8px;
}

.class-name {
  display: flex;
  align-items: center;
  color: var(--muted);
  font-size: 13px;
}

.class-count {
  font-family: var(--mono);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.export-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.export-totals {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.export-total {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 8px;
  text-align: center;
  box-shadow: var(--shadow-raised);
}

.export-total .n {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 750;
  letter-spacing: 0.02em;
  color: var(--text);
}

.export-total .l {
  margin-top: 4px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--faint);
}

.export-value {
  padding: 12px;
  border-radius: var(--radius);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
  box-shadow: var(--shadow-raised);
}

.export-value strong {
  color: var(--ok);
  font-size: 13px;
}

.export-meta {
  color: var(--muted);
  font-size: 12px;
}

/* Model Training + focused stages — center-stage board */
.viewport.training-mode .frame-wrap,
.viewport.focus-mode .frame-wrap {
  opacity: 0;
  pointer-events: none;
  position: absolute;
  visibility: hidden;
}

.training-board {
  width: min(920px, 100%);
  max-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.training-board[hidden] {
  display: none !important;
}

.training-board-inner {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 20px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background:
    radial-gradient(ellipse at top, rgba(38, 109, 240, 0.08), transparent 55%),
    var(--bg-elev);
  box-shadow: var(--shadow-overlay);
}

.training-kicker {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-accent);
}

.training-kicker.done {
  color: var(--ok);
}

.training-mosaic {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.training-tile {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-panel);
  opacity: 0;
  transform: translateY(10px) scale(0.96);
}

.training-tile.show {
  opacity: 1;
  transform: none;
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.training-tile img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tile-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.tile-overlay polygon {
  fill-opacity: 0.22;
  stroke-width: 1.5;
  vector-effect: non-scaling-stroke;
}

.training-tile .tile-meta {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 4px 6px;
  font-size: 11px;
  color: var(--text);
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.75));
}

.training-progress {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.training-progress[hidden],
.training-ready[hidden] {
  display: none !important;
}

.training-progress-label {
  font-size: 13px;
  color: var(--muted);
}

.training-progress-track {
  height: 8px;
  border-radius: var(--radius-pill);
  background: var(--border);
  overflow: hidden;
}

.training-progress-fill {
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--ok));
  transition: width 0.2s linear;
}

.training-ready {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.training-ready-badge {
  display: inline-flex;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: var(--ok-dim);
  color: var(--ok);
  border: 1px solid rgba(0, 201, 120, 0.45);
  font-weight: 700;
  font-size: 13px;
}

.training-ready-stats {
  color: var(--text);
  font-size: 15px;
  font-weight: 650;
}

.training-ready-note {
  color: var(--muted);
  font-size: 12px;
}

.filmstrip[hidden] {
  display: none !important;
}

/* Stage 1 (Problem / Gap) Slide Background */
.stage-backdrop {
  position: absolute;
  inset: 12px 16px;
  border-radius: var(--radius);
  overflow: hidden;
  pointer-events: none;
  z-index: 1;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-overlay);
  opacity: 0;
  transform: scale(0.99);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.stage-backdrop.visible {
  opacity: 1;
  transform: scale(1);
}

.stage-backdrop[hidden] {
  display: none !important;
}

.stage-backdrop-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: blur(1.5px);
  opacity: 0.92;
  transform: scale(1.03);
  transform-origin: center center;
  will-change: transform, opacity;
}

body:not(.no-motion) .stage-backdrop.visible .stage-backdrop-img {
  animation: stageBackdropKenBurns 28s ease-in-out infinite alternate;
}

@keyframes stageBackdropKenBurns {
  0% {
    transform: scale(1.03) translate3d(0, 0, 0);
  }
  50% {
    transform: scale(1.07) translate3d(-1%, -0.6%, 0);
  }
  100% {
    transform: scale(1.04) translate3d(0.8%, 0.5%, 0);
  }
}

.stage-backdrop-scrim {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at center, rgba(17, 19, 24, 0.15) 0%, rgba(17, 19, 24, 0.45) 100%),
    linear-gradient(to bottom, rgba(17, 19, 24, 0.1), rgba(17, 19, 24, 0.35));
  pointer-events: none;
}

[data-theme="light"] .stage-backdrop-scrim {
  background:
    radial-gradient(ellipse at center, rgba(245, 247, 250, 0.15) 0%, rgba(245, 247, 250, 0.4) 100%),
    linear-gradient(to bottom, rgba(245, 247, 250, 0.08), rgba(245, 247, 250, 0.28));
}

.focus-board:has(.problem-panel) {
  position: relative;
  z-index: 2;
}

.focus-board:has(.problem-panel) .focus-board-inner {
  background:
    radial-gradient(ellipse at top, rgba(38, 109, 240, 0.12), transparent 60%),
    rgba(27, 30, 37, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45), 0 1px 0 rgba(255, 255, 255, 0.08) inset;
}

[data-theme="light"] .focus-board:has(.problem-panel) .focus-board-inner {
  background:
    radial-gradient(ellipse at top, rgba(38, 109, 240, 0.08), transparent 60%),
    rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-color: rgba(0, 0, 0, 0.1);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.12), 0 1px 0 rgba(255, 255, 255, 0.8) inset;
}

/* Problem / Deploy / Outcomes — focused center boards */
.focus-board {
  width: min(960px, 100%);
  max-height: 100%;
  overflow: auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.focus-board[hidden] {
  display: none !important;
}

.focus-board-inner {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 24px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background:
    radial-gradient(ellipse at top, rgba(38, 109, 240, 0.08), transparent 55%),
    var(--bg-elev);
  box-shadow: var(--shadow-overlay);
  opacity: 0;
  transform: translateY(10px) scale(0.98);
}

.focus-board-inner.show {
  opacity: 1;
  transform: none;
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.focus-board .gap-statement {
  font-size: 20px;
  line-height: 1.45;
  padding: 16px 20px;
  border-radius: var(--radius);
}

.focus-board .gap-cards,
.focus-board .outcomes-grid,
.focus-board .facility-grid {
  gap: 12px;
}

.focus-board .count-card {
  padding: 20px 16px;
}

.focus-board .gap-cards .count-card .n,
.focus-board .outcomes-grid .count-card .n,
.focus-board .facility-grid .count-card .n {
  font-size: 42px;
}

.focus-board .outcomes-metrics .count-card .n {
  font-size: 34px;
}

.focus-board .count-card .l {
  font-size: 13px;
}

.focus-board .outcomes-note {
  font-size: 14px;
}

.focus-board:has(.deploy-flow),
.focus-board:has(.outcomes-panel),
.focus-board:has(.problem-panel) {
  width: min(1080px, 100%);
}

.focus-board .deploy-panel {
  display: block;
}

.deploy-flow {
  display: grid;
  grid-template-columns: minmax(200px, 0.72fr) 36px minmax(320px, 1.28fr);
  gap: 12px;
  align-items: center;
  min-height: 0;
}

.deploy-source {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.deploy-source-label,
.payload-head {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--faint);
}

.payload-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.deploy-photos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.deploy-photo {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-panel);
  opacity: 0;
  transform: translateY(8px) scale(0.96);
}

.deploy-photo.show {
  opacity: 1;
  transform: none;
  transition: opacity 0.35s ease, transform 0.35s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.deploy-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.deploy-photo-meta {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: 4px 6px;
  font-size: 11px;
  color: var(--text);
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.75));
}

.deploy-photo .tile-overlay {
  z-index: 1;
}

.deploy-photo.scanning::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 100%;
  z-index: 3;
  pointer-events: none;
  background: linear-gradient(180deg, transparent calc(100% - 2px), var(--accent) calc(100% - 2px), var(--accent));
  box-shadow: 0 0 10px var(--accent);
  transform: translateY(-100%);
  animation: photoScan 0.32s linear forwards;
}

.deploy-photo.sent {
  border-color: rgba(38, 109, 240, 0.55);
  box-shadow: 0 0 0 1px rgba(38, 109, 240, 0.25);
}

@keyframes photoScan {
  from {
    transform: translateY(-100%);
  }
  to {
    transform: translateY(100%);
  }
}

.deploy-pipe {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  color: var(--accent);
  font-size: 22px;
  font-weight: 600;
}

.deploy-pipe::before {
  content: "→";
  position: relative;
  z-index: 1;
  text-shadow: 0 0 12px rgba(38, 109, 240, 0.45);
}

.pipe-track {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, transparent, rgba(38, 109, 240, 0.55), transparent);
  overflow: visible;
  container-type: inline-size;
}

.pipe-packet {
  position: absolute;
  top: 50%;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
  opacity: 0;
  transform: translateX(0cqw) translate(-50%, -50%);
}

.deploy-pipe.flowing .pipe-packet {
  animation: packetFly 1.05s ease-in-out infinite;
}

@keyframes packetFly {
  0% {
    transform: translateX(0cqw) translate(-50%, -50%);
    opacity: 0;
  }
  12% {
    opacity: 1;
  }
  88% {
    opacity: 1;
  }
  100% {
    transform: translateX(100cqw) translate(-50%, -50%);
    opacity: 0;
  }
}

.deploy-payload {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.payload-badge {
  display: inline-flex;
  padding: 4px 8px;
  border-radius: var(--radius-pill);
  background: var(--ok-dim);
  color: var(--ok);
  border: 1px solid rgba(0, 201, 120, 0.45);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  opacity: 0;
  transform: scale(0.9);
}

.payload-badge.show {
  opacity: 1;
  transform: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.payload-json {
  margin: 0;
  padding: 12px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border-strong);
  background: var(--bg);
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.5;
  overflow: visible;
}

.payload-json .jk {
  color: var(--muted);
}

.payload-json .js {
  color: var(--text-accent);
}

.payload-json .jn {
  color: var(--ok);
}

.payload-json .jl {
  display: block;
  opacity: 0.14;
}

.payload-json .jl.on {
  opacity: 1;
  transition: opacity 0.18s ease;
}

.overlay.packing polygon {
  opacity: 0;
  transform: scale(0.55) translateY(-12px);
  fill-opacity: 0;
  transition: opacity 0.55s ease, transform 0.55s ease, fill-opacity 0.55s ease;
}

.count-board {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.count-big {
  display: grid;
  gap: 8px;
}

.count-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 12px;
  text-align: center;
  box-shadow: var(--shadow-raised);
}

.count-card .n {
  font-family: var(--mono);
  font-size: 36px;
  font-weight: 750;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.count-card .l {
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
}

.bar-chart {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 72px;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-elev);
}

.bar {
  flex: 1;
  background: var(--accent);
  border-radius: 2px 2px 0 0;
  min-height: 2px;
  opacity: 0.85;
  transform-origin: bottom;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.bar.active {
  background: var(--ok);
  opacity: 1;
}

.provenance {
  margin: 0;
  color: var(--faint);
  font-size: 12px;
  line-height: 1.5;
}

.panel-note {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.problem-panel,
.deploy-panel,
.outcomes-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.problem-panel[hidden],
.deploy-panel[hidden],
.outcomes-panel[hidden] {
  display: none !important;
}

.gap-statement {
  color: var(--text);
  font-size: 13px;
  line-height: 1.55;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elev);
}

.gap-statement strong {
  color: var(--text-accent);
}

.gap-cards,
.outcomes-grid,
.facility-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.gap-cards .count-card .n,
.outcomes-grid .count-card .n,
.facility-grid .count-card .n {
  font-size: 26px;
}

.count-card .n-sub {
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  margin-left: 2px;
}

.deploy-beats {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.deploy-beat {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elev);
  opacity: 0.45;
  transition: opacity 0.25s, border-color 0.25s;
}

.deploy-beat.done {
  opacity: 1;
}

.deploy-beat.active {
  border-color: rgba(38, 109, 240, 0.45);
  background: var(--accent-dim);
}

.deploy-beat-k {
  font-weight: 650;
  font-size: 13px;
}

.deploy-beat-d {
  margin-top: 2px;
  color: var(--muted);
  font-size: 11px;
}

.facility-display {
  margin-top: 4px;
  padding: 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border-strong);
  background: var(--bg-elev);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.facility-display.show {
  opacity: 1;
  transform: none;
}

.facility-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--faint);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.outcomes-note {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.outcomes-convert {
  display: grid;
  grid-template-columns: 1fr 56px 1fr;
  gap: 12px;
  align-items: center;
}

.convert-node {
  position: relative;
  text-align: center;
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elev);
  overflow: hidden;
  box-shadow: var(--shadow-raised);
}

.convert-node .n {
  font-family: var(--mono);
  font-size: 40px;
  font-weight: 750;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.convert-node .l {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
}

.convert-node.packout.resolving {
  border-color: rgba(0, 201, 120, 0.45);
}

.convert-node.packout.unknown {
  border-color: rgba(255, 84, 84, 0.5);
  background:
    radial-gradient(ellipse at top, var(--warn-dim), transparent 62%),
    var(--bg-elev);
  box-shadow: 0 0 24px rgba(255, 84, 84, 0.12);
}

.convert-arrow.gap::before {
  color: var(--warn);
  text-shadow: 0 0 16px rgba(255, 84, 84, 0.55);
}

.convert-arrow.gap .pipe-track {
  background: linear-gradient(90deg, transparent, rgba(255, 84, 84, 0.55), transparent);
}

body:not(.no-motion) .convert-node.packout.unknown .n {
  animation: unknownPulse 1.7s ease-in-out infinite;
}

.convert-node.packout.resolved {
  border-color: rgba(0, 201, 120, 0.55);
  background:
    radial-gradient(ellipse at top, rgba(0, 201, 120, 0.16), transparent 62%),
    var(--bg-elev);
  box-shadow: 0 0 28px rgba(0, 201, 120, 0.12);
}

.convert-node.packout.resolved::after {
  content: "";
  position: absolute;
  inset: -30%;
  background: radial-gradient(circle, rgba(0, 201, 120, 0.22), transparent 55%);
  opacity: 0;
  pointer-events: none;
}

body:not(.no-motion) .convert-node.packout.resolved::after {
  animation: outcomeGlow 1.4s ease-out forwards;
}

.convert-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  height: 48px;
  color: var(--accent);
  font-size: 28px;
  font-weight: 600;
}

.convert-arrow::before {
  content: "→";
  position: relative;
  z-index: 1;
  color: var(--accent);
  text-shadow: 0 0 16px rgba(38, 109, 240, 0.7);
}

.convert-arrow .pipe-track {
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, rgba(38, 109, 240, 0.7), transparent);
}

.convert-arrow.flowing .pipe-packet {
  animation: packetFly 1.05s ease-in-out infinite;
}

.convert-arrow.flowing::before {
  color: var(--ok);
  text-shadow: 0 0 16px rgba(0, 201, 120, 0.7);
}

.convert-factor {
  margin: 0;
  text-align: center;
  color: var(--faint);
  font-size: 12px;
  letter-spacing: 0.02em;
  opacity: 0;
  transform: translateY(4px);
}

.convert-factor.show {
  opacity: 1;
  transform: none;
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.outcomes-metrics {
  grid-template-columns: repeat(3, 1fr);
}

.outcomes-panel .outcomes-metrics .count-card {
  opacity: 0;
  transform: translateY(10px) scale(0.98);
}

.outcomes-panel .outcomes-metrics .count-card.show {
  opacity: 1;
  transform: none;
  transition: opacity 0.4s ease, transform 0.4s ease, border-color 0.35s ease;
}

.outcomes-meter {
  padding: 12px 16px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elev);
  opacity: 0;
  transform: translateY(6px);
}

.outcomes-meter.show {
  opacity: 1;
  transform: none;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.meter-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
  margin-bottom: 8px;
  font-size: 12px;
  font-weight: 650;
  color: var(--text);
}

.meter-gap {
  color: var(--amber);
  font-weight: 600;
  font-size: 12px;
}

.meter-track {
  position: relative;
  height: 8px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.06);
}

.meter-fill {
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--ok));
  box-shadow: 0 0 12px rgba(0, 201, 120, 0.35);
  transition: width 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.meter-mark {
  position: absolute;
  top: -3px;
  right: 0;
  width: 2px;
  height: 16px;
  background: var(--text);
  opacity: 0.55;
  border-radius: 1px;
}

.outcomes-goals {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.outcome-goal {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 12px;
  align-items: start;
  padding: 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elev);
  opacity: 0.38;
  transform: translateY(8px);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.outcome-goal strong {
  display: block;
  color: var(--text);
  font-size: 13px;
  margin-bottom: 1px;
}

.outcome-goal.open {
  opacity: 1;
  transform: none;
  border-color: rgba(255, 84, 84, 0.35);
  background: linear-gradient(90deg, var(--warn-dim), var(--bg-elev) 42%);
  color: var(--muted);
  transition: opacity 0.35s ease, transform 0.35s ease, border-color 0.35s ease, background 0.35s ease;
}

.outcome-goal.open .goal-check {
  border-color: var(--warn);
}

.outcome-goal.on {
  opacity: 1;
  transform: none;
  border-color: rgba(0, 201, 120, 0.38);
  background: linear-gradient(90deg, var(--ok-dim), var(--bg-elev) 42%);
  color: var(--muted);
  transition: opacity 0.35s ease, transform 0.35s ease, border-color 0.35s ease, background 0.35s ease;
}

@keyframes unknownPulse {
  0%,
  100% {
    opacity: 1;
    text-shadow: 0 0 0 transparent;
  }
  50% {
    opacity: 0.7;
    text-shadow: 0 0 18px rgba(255, 84, 84, 0.55);
  }
}

.goal-check {
  width: 22px;
  height: 22px;
  margin-top: 1px;
  border-radius: 50%;
  border: 2px solid var(--border-strong);
  background: transparent;
  position: relative;
  flex-shrink: 0;
}

.outcome-goal.on .goal-check {
  border-color: var(--ok);
  background: var(--ok-dim);
}

.outcome-goal.on .goal-check::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 3px;
  width: 6px;
  height: 10px;
  border: solid var(--ok);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) scale(1);
}

body:not(.no-motion) .outcome-goal.on .goal-check::after {
  animation: goalCheck 0.28s ease-out forwards;
}

@keyframes outcomeGlow {
  0% {
    opacity: 0.7;
    transform: scale(0.6);
  }
  100% {
    opacity: 0;
    transform: scale(1.15);
  }
}

@keyframes goalCheck {
  from {
    transform: rotate(45deg) scale(0.2);
    opacity: 0;
  }
  to {
    transform: rotate(45deg) scale(1);
    opacity: 1;
  }
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 16px;
  border-top: 1px solid var(--border);
  color: var(--faint);
  font-size: 11px;
  font-family: var(--mono);
  background: var(--bg-panel);
  flex-shrink: 0;
}

@media (prefers-reduced-motion: reduce) {
  .frame-wrap,
  .overlay polygon,
  .progress-bar,
  .bar,
  .training-tile,
  .training-progress-fill,
  .focus-board-inner,
  .deploy-photo,
  .payload-badge,
  .pipe-packet,
  .convert-factor,
  .outcomes-metrics .count-card,
  .outcomes-meter,
  .outcome-goal,
  .meter-fill,
  .convert-node.packout.unknown .n {
    transition: none !important;
    animation: none !important;
  }

  .prompt-text::after {
    display: none;
  }

  .focus-board-inner {
    opacity: 1;
    transform: none;
  }

  .deploy-photo,
  .payload-json .jl,
  .payload-badge,
  .convert-factor,
  .outcomes-metrics .count-card,
  .outcomes-meter,
  .outcome-goal {
    opacity: 1;
    transform: none;
  }

  .convert-node.packout.resolved::after {
    content: none;
    animation: none;
  }

  .outcome-goal.on .goal-check::after {
    animation: none;
  }

  .scan-line.active,
  .deploy-photo.scanning::after {
    animation: none !important;
    opacity: 0;
  }
}

body.no-motion .frame-wrap,
body.no-motion .stage-backdrop,
body.no-motion .stage-backdrop-img,
body.no-motion .overlay polygon,
body.no-motion .progress-bar,
body.no-motion .bar,
body.no-motion .training-tile,
body.no-motion .training-progress-fill,
body.no-motion .focus-board-inner,
body.no-motion .deploy-photo,
body.no-motion .payload-badge,
body.no-motion .pipe-packet,
body.no-motion .convert-factor,
body.no-motion .outcomes-metrics .count-card,
body.no-motion .outcomes-meter,
body.no-motion .outcome-goal,
body.no-motion .meter-fill,
body.no-motion .convert-node.packout.unknown .n {
  transition: none !important;
  animation: none !important;
}

body.no-motion .stage-backdrop,
body.no-motion .focus-board-inner,
body.no-motion .deploy-photo,
body.no-motion .payload-json .jl,
body.no-motion .payload-badge,
body.no-motion .convert-factor,
body.no-motion .outcomes-metrics .count-card,
body.no-motion .outcomes-meter,
body.no-motion .outcome-goal {
  opacity: 1;
  transform: none;
}

body.no-motion .convert-node.packout.resolved::after {
  content: none;
  animation: none;
}

body.no-motion .outcome-goal.on .goal-check::after {
  animation: none;
}

body.no-motion .prompt-text::after {
  display: none;
}

body.no-motion .scan-line.active,
body.no-motion .deploy-photo.scanning::after {
  animation: none !important;
  opacity: 0;
}

@media (max-width: 1100px) and (min-width: 961px) {
  :root {
    --rail-w: 220px;
    --panel-w: 260px;
  }

  .layout {
    grid-template-columns: var(--rail-w) 1fr var(--panel-w);
  }
}

@media (max-width: 960px) {
  :root {
    --rail-w: 200px;
  }

  .layout {
    grid-template-columns: var(--rail-w) 1fr;
    grid-template-rows: 1fr auto;
    min-height: 0;
  }

  .rail {
    grid-column: 1;
    grid-row: 1;
  }

  .stage {
    grid-column: 2;
    grid-row: 1;
    min-width: 0;
  }

  .panel {
    grid-column: 1 / -1;
    grid-row: 2;
    border-left: none;
    border-top: 1px solid var(--border);
    max-height: 320px;
    overflow-y: auto;
  }

  .focus-board .deploy-flow {
    grid-template-columns: 1fr;
  }

  .deploy-pipe {
    height: 28px;
  }

  .pipe-track {
    width: min(180px, 40%);
  }

  .focus-board .gap-cards .count-card .n,
  .focus-board .outcomes-grid .count-card .n,
  .focus-board .facility-grid .count-card .n {
    font-size: 32px;
  }

  .focus-board .outcomes-metrics {
    grid-template-columns: 1fr;
  }

  .outcomes-convert {
    grid-template-columns: 1fr;
  }

  .convert-arrow {
    height: 28px;
    transform: rotate(90deg);
  }
}

@media (max-width: 640px) {
  html,
  body {
    overflow-x: hidden;
    overflow-y: auto;
    height: auto;
    min-height: 100%;
  }

  .app {
    height: auto;
    min-height: 100vh;
    overflow: visible;
  }

  .topbar {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 12px;
  }

  .brand {
    display: flex;
    flex-direction: column;
    gap: 2px;
  }

  .tour-controls {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .tour-controls .btn {
    min-height: 40px;
    width: 100%;
    padding: 0 12px;
    font-size: 13px;
    justify-content: center;
  }

  .toggle {
    min-height: 44px;
    min-width: 44px;
    padding: 0 4px;
  }

  .layout {
    display: flex;
    flex-direction: column;
    flex: none;
    width: 100%;
    min-height: 0;
  }

  .rail {
    flex-direction: row;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding: 8px 12px;
    gap: 8px;
    border-right: none;
    border-bottom: 1px solid var(--border);
    width: 100%;
    scrollbar-width: none;
    flex-shrink: 0;
  }

  .rail::-webkit-scrollbar {
    display: none;
  }

  .rail-heading {
    display: none;
  }

  .rail-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: var(--radius-pill);
    flex-shrink: 0;
    white-space: nowrap;
    height: 36px;
    min-width: 44px;
    border: 1px solid var(--border);
    background: var(--bg-panel);
  }

  .rail-item.active {
    background: var(--accent-dim);
    border-color: var(--accent);
  }

  .rail-item .rail-num {
    width: 20px;
    height: 20px;
    font-size: 10px;
  }

  .rail-item .rail-label {
    font-size: 12px;
  }

  .rail-item .rail-sub {
    display: none;
  }

  .stage {
    width: 100%;
    min-width: 0;
    flex: none;
  }

  .stage-chrome {
    padding: 8px 12px;
    flex-wrap: wrap;
    gap: 8px;
  }

  .stage-caption {
    font-size: 12px;
  }

  .viewport {
    min-height: 280px;
    max-height: 52vh;
    padding: 8px 12px;
  }

  .filmstrip {
    padding: 8px 12px;
    gap: 6px;
  }

  .thumb {
    width: 76px;
  }

  .thumb img {
    height: 42px;
  }

  .thumb .thumb-meta {
    font-size: 10px;
    padding: 2px 4px;
  }

  .panel {
    width: 100%;
    border-left: none;
    border-top: 1px solid var(--border);
    padding: 16px 12px;
    flex: none;
    overflow: visible;
  }

  .focus-board-inner,
  .training-board-inner {
    padding: 16px 12px;
    gap: 12px;
  }

  .training-mosaic {
    grid-template-columns: 1fr 1fr;
  }

  .gap-cards,
  .outcomes-grid,
  .facility-grid {
    grid-template-columns: 1fr;
  }

  .focus-board .gap-statement {
    font-size: 16px;
    padding: 12px 14px;
  }

  .outcomes-convert {
    grid-template-columns: 1fr;
  }

  .convert-arrow {
    height: 28px;
    transform: rotate(90deg);
  }

  .footer {
    padding: 8px 12px;
    flex-direction: column;
    gap: 4px;
    text-align: center;
  }
}