* {
  box-sizing: border-box;
}
html {
  color-scheme: light;
}
body {
  margin: 0;
  background: #fbfcfe;
  color: #17232a;
  font:
    16px/1.6 -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}
main {
  max-width: 1168px;
  margin: auto;
  padding: 0 40px;
}
a {
  color: #245bc8;
  text-underline-offset: 4px;
}
button {
  font: inherit;
  cursor: pointer;
  min-height: 44px;
  border: 1px solid #d5dfe5;
  border-radius: 7px;
  background: #fff;
  color: #263c48;
  padding: 8px 16px;
}
button:hover {
  background: #f0f5fb;
}
button:disabled {
  cursor: default;
  opacity: 0.5;
}
button:focus-visible,
a:focus-visible,
input:focus-visible,
canvas:focus-visible {
  outline: 3px solid #2867ee;
  outline-offset: 4px;
}
.masthead {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  border-bottom: 1px solid #dde5e9;
  font-size: 14px;
}
.masthead nav {
  display: flex;
  gap: 24px;
}
.making-of {
  margin-top: 32px;
  border-top: 1px solid #d8e2e7;
  padding-top: 20px;
}
.making-of > h2 {
  margin: 0;
  font: inherit;
  color: #526773;
}
.making-of .notes {
  margin: 24px 0;
}
.embedded main {
  max-width: none;
  padding: 0;
}
.embedded .masthead,
.embedded .making-of,
.embedded footer {
  display: none;
}
.embedded .intro {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  padding: 0;
  white-space: nowrap;
}
.embedded .game-shell {
  border: 0;
  border-radius: 0;
  box-shadow: none;
}
.embedded .touch-controls {
  margin: 0;
  padding: 10px 0;
  background: white;
}
.brand {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}
.brand img {
  display: block;
  width: 220px;
  height: auto;
}
.edition,
.eyebrow,
.note-index {
  font:
    11px/1.6 ui-monospace,
    SFMono-Regular,
    monospace;
  letter-spacing: 0.13em;
  color: #536b77;
}
.intro {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding: 24px 0;
}
.eyebrow {
  margin: 0 0 12px;
}
h1 {
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.07;
  letter-spacing: -0.045em;
  font-weight: 550;
  margin: 0 0 10px;
}
h1 span {
  color: #2867ee;
}
.lede {
  font-size: 18px;
  line-height: 1.6;
  color: #526773;
  margin: 0;
}
.proof {
  display: flex;
  flex-direction: column;
  gap: 9px;
  border-left: 1px solid #d4e0e6;
  padding: 6px 0 6px 24px;
  color: #526773;
  font-size: 13px;
}
.game-shell {
  background: #fff;
  border: 1px solid #d8e2e7;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 14px 45px #193b5310;
}
.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
}
.view-switch {
  display: flex;
  margin-right: auto;
  background: #f3f6f9;
  padding: 3px;
  border-radius: 8px;
}
.view-switch button {
  border: 0;
  background: transparent;
  min-height: 38px;
  font-size: 14px;
}
.view-switch button[aria-pressed="true"] {
  background: white;
  box-shadow: 0 1px 5px #183f5c20;
  color: #245bc8;
}
.toolbar > button {
  font-size: 13px;
  padding: 5px 12px;
}
#score {
  font:
    13px ui-monospace,
    monospace;
  margin-right: 12px;
}
#shields {
  color: #245bc8;
  letter-spacing: 2px;
}
#timer {
  font:
    13px ui-monospace,
    monospace;
  min-width: 35px;
}
.touch-controls #pulse {
  width: 90px;
  color: #245bc8;
}
.stage {
  position: relative;
  background: #e6efee;
}
canvas {
  width: 100%;
  display: block;
  aspect-ratio: 16/9;
  touch-action: none;
}
.overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  text-align: center;
  background: #edf4ef38;
}
.overlay > div {
  padding: 24px 32px;
  background: #fffffff2;
  border: 1px solid #d8e2e7;
  border-radius: 12px;
  box-shadow: 0 12px 45px #193b5318;
}
.overlay[hidden] {
  display: none;
}
.overlay h2 {
  font-size: 36px;
  font-weight: 550;
  line-height: 1.15;
  letter-spacing: -0.035em;
  margin: 10px 0 18px;
}
.overlay p:not(.eyebrow) {
  color: #496475;
  margin: 12px 0 24px;
}
.overlay button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 8px 24px;
  color: white;
  background: #2867ee;
  border-color: #2867ee;
}
.game-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  color: #536b77;
  font-size: 12px;
}
.game-footer label {
  display: flex;
  align-items: center;
  gap: 6px;
}
.game-footer input {
  accent-color: #2867ee;
}
.game-footer small {
  font-size: 11px;
}
.touch-controls {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 16px;
}
.touch-controls button {
  width: 54px;
  touch-action: none;
  user-select: none;
}
.notes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin: 48px 0 56px;
}
.notes article {
  border-top: 1px solid #d8e2e7;
  padding-top: 20px;
}
.notes h3 {
  font-size: 20px;
  font-weight: 550;
  line-height: 1.35;
  letter-spacing: -0.015em;
  margin: 12px 0;
}
.notes p {
  font-size: 14px;
  line-height: 1.7;
  color: #526773;
}
.notes a {
  font-size: 13px;
}
footer {
  border-top: 1px solid #d8e2e7;
  padding: 24px 0 40px;
  font-size: 12px;
  color: #5a707b;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}
footer span {
  font-size: 11px;
}
@media (max-width: 680px) {
  main {
    padding: 0 16px;
  }
  .masthead {
    padding: 18px 0;
  }
  .brand img {
    width: 180px;
  }
  .edition {
    display: none;
  }
  .intro {
    padding: 20px 0;
    display: block;
  }
  .proof {
    margin-top: 24px;
    font-size: 12px;
  }
  .toolbar {
    padding: 8px;
    gap: 6px;
    flex-wrap: wrap;
  }
  #shields {
    font-size: 12px;
  }
  .view-switch button {
    padding: 5px 10px;
  }
  #score {
    font-size: 12px;
    margin-right: 0;
  }
  .toolbar > button {
    padding: 4px 9px;
  }
  .game-footer {
    flex-direction: column;
    gap: 8px;
    padding: 12px;
  }
  .notes {
    grid-template-columns: 1fr;
    gap: 24px;
    margin: 32px 0;
  }
  .overlay h2 {
    font-size: 22px;
    margin: 4px 0;
  }
  .overlay .eyebrow {
    display: none;
  }
  .overlay p:not(.eyebrow) {
    font-size: 12px;
    margin: 6px 0 10px;
  }
  .stage {
    min-height: 180px;
  }
  .overlay > div {
    padding: 12px 16px;
    margin: 8px;
  }
  .masthead nav {
    gap: 12px;
    font-size: 12px;
  }
  footer {
    flex-direction: column;
  }
  .lede {
    font-size: 16px;
  }
}