@font-face{font-family:Cera Pro;src:url(https://assets.lego.com/fonts/v3/cera-pro/CeraPro-Regular.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:Cera Pro;src:url(https://assets.lego.com/fonts/v3/cera-pro/CeraPro-Medium.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:Cera Pro;src:url(https://assets.lego.com/fonts/v3/cera-pro/CeraPro-Bold.woff2) format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:Cera Pro;src:url(https://assets.lego.com/fonts/v3/cera-pro/CeraPro-Black.woff2) format("woff2");font-weight:900;font-display:swap}

:root {
  --bg: #ffffff;
  --surface: #f5f5f5;
  --lego-yellow: #ffcf00;
  --lego-blue: #006db7;
  --lego-red: #d71920;
  --lego-navy: #201d48;
  --ink: #202020;
  --muted: #555555;
  --line: #dedede;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.6 'Cera Pro', Arial, sans-serif;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

header {
  min-height: 96px;
  padding: 0 5%;
  background: var(--lego-yellow);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  gap: 13px;
  align-items: center;
  color: var(--ink);
  text-decoration: none;
  font-weight: 900;
  letter-spacing: 0.4px;
  font-size: 15px;
}

.brand svg {
  background: var(--lego-red);
  stroke: #ffffff;
  stroke-width: 2;
  fill: none;
  border: 2px solid #ffffff;
  width: 44px;
  height: 44px;
  padding: 5px;
  box-shadow: 0 0 0 2px var(--lego-red);
  border-radius: 2px;
  flex-shrink: 0;
}

.brand small {
  display: block;
  font-size: 11px;
  letter-spacing: 0;
  font-weight: 500;
  margin-top: 2px;
  color: #333333;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.nav-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 14px;
  border-radius: 4px;
  border: 2px solid var(--ink);
  background: #ffffff;
  color: var(--ink);
  text-decoration: none;
  font-size: 12px;
  font-weight: 700;
  transition: background 0.15s, color 0.15s;
}

.nav-pill:hover {
  background: var(--ink);
  color: #ffffff;
}

.nav-pill.primary-pill {
  background: var(--lego-blue);
  color: #ffffff;
  border-color: var(--lego-blue);
}

.nav-pill.primary-pill:hover {
  background: #005490;
  border-color: #005490;
}

main.story-layout {
  flex: 1;
  width: min(1240px, 92%);
  margin: 0 auto;
  padding: 32px 0 42px;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 32px;
  align-items: stretch;
}

.stage-card {
  position: relative;
  border-radius: 0;
  border: 1px solid var(--line);
  background: radial-gradient(circle at 50% 42%, #ffffff 0%, #f4f5f7 68%, #e7eaef 100%);
  overflow: hidden;
  min-height: 580px;
  display: flex;
  flex-direction: column;
}

.stage-card canvas {
  display: block;
  width: 100%;
  height: 100%;
  flex: 1;
  outline: none;
  cursor: grab;
}

.stage-card canvas:active {
  cursor: grabbing;
}

.stage-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 4px;
  background: var(--lego-yellow);
  border: 2px solid var(--ink);
  font-size: 11px;
  font-weight: 900;
  color: var(--ink);
  pointer-events: none;
}

.stage-badge i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lego-blue);
  display: block;
}

.stage-hint {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 12px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  font-size: 11px;
  font-weight: 500;
  color: var(--muted);
  pointer-events: none;
  white-space: nowrap;
}

.story-loading {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(244, 245, 247, 0.92);
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  z-index: 4;
}

.story-loading.done {
  display: none;
}

.story-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.story-header h1 {
  font: 900 clamp(28px, 3vw, 42px)/1.08 'Cera Pro', Arial, sans-serif;
  letter-spacing: -0.03em;
  margin: 6px 0 8px;
}

.story-header h1 em {
  color: var(--lego-blue);
  font-style: normal;
}

.eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--lego-blue);
  text-transform: uppercase;
}

.story-header p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.chapter-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 5px solid var(--lego-yellow);
  border-radius: 0;
  padding: 20px 22px;
}

.chapter-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--lego-blue);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.chapter-card h2 {
  font: 700 22px/1.2 'Cera Pro', Arial, sans-serif;
  margin: 0 0 8px;
  color: var(--ink);
}

.chapter-card p {
  margin: 0;
  color: #333333;
  font-size: 14px;
  line-height: 1.65;
}

.chapter-progress-bar {
  height: 5px;
  background: #e1e4e8;
  border-radius: 2px;
  overflow: hidden;
  margin-top: 16px;
}

.chapter-progress-fill {
  height: 100%;
  width: 0%;
  background: var(--lego-blue);
  transition: width 0.1s linear;
}

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

.transport button {
  border: 2px solid var(--ink);
  background: #ffffff;
  color: var(--ink);
  border-radius: 4px;
  padding: 10px 14px;
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  min-height: 44px;
  transition: background 0.15s, color 0.15s;
}

.transport button:hover {
  background: var(--ink);
  color: #ffffff;
}

.transport button.play-btn {
  flex: 1;
  background: var(--lego-yellow);
  color: var(--ink);
  border-color: var(--ink);
}

.transport button.play-btn:hover {
  background: var(--ink);
  color: #ffffff;
}

.chapter-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.chapter-item {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  text-align: left;
  padding: 10px 14px;
  border-radius: 4px;
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--ink);
  font: inherit;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.chapter-item:hover {
  background: var(--surface);
  border-color: var(--lego-blue);
}

.chapter-item.active {
  background: var(--surface);
  border: 2px solid var(--lego-blue);
}

.chapter-num {
  flex: 0 0 32px;
  height: 32px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #e9eef5;
  color: var(--lego-blue);
}

.chapter-num svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.chapter-item.active .chapter-num {
  background: var(--lego-blue);
  color: #ffffff;
}

.chapter-item > div strong {
  display: block;
  font-size: 13px;
  line-height: 1.3;
}

.chapter-item > div span {
  display: block;
  font-size: 11px;
  color: var(--muted);
}

footer {
  background: var(--lego-navy);
  color: #ffffff;
  padding: 22px 5%;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
}

footer a {
  color: var(--lego-yellow);
  font-weight: 700;
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

@media (max-width: 960px) {
  main.story-layout {
    grid-template-columns: 1fr;
  }
  .stage-card {
    min-height: 460px;
  }
}