body.arcade-page {
  --arcade-bg: #07100e;
  --arcade-panel: #0e1916;
  --arcade-panel-bright: #15231f;
  --arcade-line: rgba(255, 255, 255, 0.13);
  --arcade-copy: #f8f2e7;
  --arcade-muted: rgba(248, 242, 231, 0.6);
  min-height: 100vh;
  color: var(--arcade-copy);
  background:
    linear-gradient(rgba(143, 240, 197, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 240, 197, 0.035) 1px, transparent 1px),
    var(--arcade-bg);
  background-size: 42px 42px;
}

body.arcade-page::before {
  z-index: 0;
  inset: -35vh -10vw auto auto;
  width: min(78vw, 1100px);
  background: radial-gradient(circle, rgba(69, 224, 230, 0.15), transparent 68%);
}

.arcade-page .page-grain {
  z-index: 50;
  opacity: 0.032;
}

.arcade-header,
.arcade-main,
.arcade-footer {
  position: relative;
  z-index: 1;
  width: min(100% - 3rem, 1480px);
  margin-inline: auto;
}

.arcade-header {
  display: grid;
  min-height: 92px;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(1rem, 4vw, 3rem);
  border-bottom: 1px solid var(--arcade-line);
}

.arcade-page .brand {
  color: var(--arcade-copy);
}

.arcade-page .brand-mark {
  color: var(--arcade-copy);
}

.arcade-page .brand small {
  color: var(--arcade-muted);
}

.arcade-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  justify-self: start;
  color: var(--arcade-muted);
  font-family: var(--mono);
  font-size: 0.67rem;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.arcade-back-link::before {
  content: "←";
  color: var(--mint);
  font-size: 1rem;
  transition: transform 160ms ease;
}

.arcade-back-link:hover::before {
  transform: translateX(-3px);
}

.arcade-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
}

.arcade-nav a {
  padding: 0.55rem 0.72rem;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--arcade-muted);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-decoration: none;
}

.arcade-nav a:hover,
.arcade-nav a[aria-current="page"] {
  border-color: var(--arcade-line);
  color: var(--arcade-copy);
  background: rgba(255, 255, 255, 0.055);
}

.arcade-donate {
  min-height: 40px;
  padding: 0 0.95rem;
  border: 1px solid var(--mint);
  border-radius: 999px;
  color: var(--ink);
  background: var(--mint);
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.arcade-main {
  padding: clamp(3.5rem, 7vw, 7rem) 0 clamp(5rem, 8vw, 8rem);
}

.arcade-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 2rem;
  margin-bottom: clamp(2rem, 5vw, 4.5rem);
}

.arcade-kicker {
  margin: 0 0 1.15rem;
  color: var(--mint);
  font-family: var(--mono);
  font-size: 0.67rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.arcade-title {
  max-width: 980px;
  margin: 0;
  color: var(--arcade-copy);
  font-size: clamp(3.2rem, 7.7vw, 7.8rem);
  font-weight: 900;
  letter-spacing: -0.075em;
  line-height: 0.88;
}

.arcade-title em {
  color: var(--amber);
  font-style: normal;
}

.arcade-lede {
  max-width: 700px;
  margin: 1.5rem 0 0;
  color: var(--arcade-muted);
  font-size: clamp(0.92rem, 1.5vw, 1.05rem);
  line-height: 1.85;
}

.arcade-local-record {
  display: grid;
  min-width: 160px;
  gap: 0.35rem;
  padding: 1rem 1.15rem;
  border: 1px solid var(--arcade-line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.045);
  font-family: var(--mono);
  text-align: right;
}

.arcade-local-record span {
  color: var(--arcade-muted);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
}

.arcade-local-record output {
  color: var(--amber);
  font-size: 1.45rem;
  font-weight: 900;
}

.arcade-machine {
  overflow: hidden;
  border: 2px solid rgba(255, 255, 255, 0.74);
  border-radius: 28px;
  background: var(--arcade-panel);
  box-shadow:
    10px 12px 0 rgba(143, 240, 197, 0.9),
    0 38px 100px rgba(0, 0, 0, 0.36);
}

.arcade-machine-bar {
  display: flex;
  min-height: 50px;
  align-items: center;
  gap: 0.9rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--arcade-line);
  color: var(--arcade-muted);
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.07em;
}

.arcade-lights {
  display: flex;
  gap: 6px;
}

.arcade-lights i {
  display: block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #ff6d61;
}

.arcade-lights i:nth-child(2) {
  background: var(--amber);
}

.arcade-lights i:nth-child(3) {
  background: var(--mint);
}

.arcade-machine-bar b {
  color: var(--arcade-copy);
  font-size: 0.64rem;
}

.arcade-machine-bar em {
  margin-left: auto;
  font-style: normal;
}

.arcade-hud {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-bottom: 1px solid var(--arcade-line);
  background: rgba(255, 255, 255, 0.025);
}

.arcade-hud > div {
  display: grid;
  min-height: 66px;
  align-content: center;
  gap: 0.2rem;
  padding: 0.75rem 1rem;
  border-right: 1px solid var(--arcade-line);
  font-family: var(--mono);
}

.arcade-hud > div:last-child {
  border-right: 0;
}

.arcade-hud span {
  color: var(--arcade-muted);
  font-size: 0.54rem;
  letter-spacing: 0.12em;
}

.arcade-hud output {
  color: var(--mint);
  font-size: 1rem;
  font-weight: 900;
}

.arcade-canvas-wrap {
  position: relative;
  min-height: 360px;
  background: #08110f;
  isolation: isolate;
}

.arcade-canvas-wrap canvas {
  display: block;
  width: 100%;
  height: 100%;
  outline: none;
  touch-action: none;
}

.arcade-canvas-wrap canvas:focus-visible {
  box-shadow: inset 0 0 0 4px var(--cyan);
}

.arcade-overlay {
  position: absolute;
  z-index: 5;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: rgba(4, 9, 8, 0.8);
  backdrop-filter: blur(7px);
  text-align: center;
  transition: opacity 180ms ease, visibility 180ms;
}

.arcade-overlay[hidden],
.arcade-overlay.is-hidden {
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
}

.arcade-overlay-mark {
  display: grid;
  width: 70px;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid rgba(143, 240, 197, 0.5);
  border-radius: 22px;
  color: var(--mint);
  background: rgba(143, 240, 197, 0.08);
  font: 900 1.15rem var(--mono);
  box-shadow: 0 0 50px rgba(143, 240, 197, 0.09);
}

.arcade-overlay h2 {
  margin: 1.1rem 0 0;
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  letter-spacing: -0.035em;
}

.arcade-overlay p {
  max-width: 560px;
  margin: 0.65rem 0 1.15rem;
  color: var(--arcade-muted);
  font-size: 0.82rem;
  line-height: 1.7;
}

.arcade-primary,
.arcade-secondary {
  min-height: 46px;
  padding: 0 1.2rem;
  border: 1px solid var(--mint);
  border-radius: 999px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 900;
}

.arcade-primary {
  color: var(--ink);
  background: var(--mint);
}

.arcade-secondary {
  color: var(--mint);
  background: transparent;
}

.arcade-controls {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
  min-height: 76px;
  padding: 0.8rem 1rem;
  border-top: 1px solid var(--arcade-line);
}

.arcade-help {
  margin: 0;
  color: var(--arcade-muted);
  font-family: var(--mono);
  font-size: 0.6rem;
  line-height: 1.6;
}

.arcade-help:last-child {
  text-align: right;
}

.arcade-touch-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
}

.arcade-control {
  display: inline-grid;
  min-width: 64px;
  min-height: 46px;
  padding: 0.55rem 0.85rem;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.27);
  border-bottom-width: 4px;
  border-radius: 13px;
  color: var(--arcade-copy);
  background: var(--arcade-panel-bright);
  cursor: pointer;
  font: 800 0.65rem var(--mono);
  touch-action: none;
  user-select: none;
}

.arcade-control:active,
.arcade-control.is-active {
  border-bottom-width: 1px;
  transform: translateY(3px);
}

.arcade-control-accent {
  border-color: var(--amber);
  color: var(--ink);
  background: var(--amber);
}

.arcade-note {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.15rem 0 0;
  color: var(--arcade-muted);
  font-family: var(--mono);
  font-size: 0.59rem;
  line-height: 1.7;
}

.arcade-note a {
  color: var(--mint);
  text-underline-offset: 3px;
}

.arcade-footer {
  display: grid;
  min-height: 130px;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 2rem;
  border-top: 1px solid var(--arcade-line);
  color: var(--arcade-muted);
  font-family: var(--mono);
  font-size: 0.6rem;
}

.arcade-footer p {
  margin: 0;
}

.arcade-footer nav {
  display: flex;
  gap: 1.2rem;
}

.arcade-footer a {
  text-underline-offset: 3px;
}

.arcade-page .qr-dialog {
  color: var(--ink);
}

@media (max-width: 900px) {
  .arcade-header,
  .arcade-main,
  .arcade-footer {
    width: min(100% - 2rem, 760px);
  }

  .arcade-header {
    grid-template-columns: 1fr auto;
  }

  .arcade-nav {
    display: none;
  }

  .arcade-intro {
    grid-template-columns: 1fr;
  }

  .arcade-local-record {
    min-width: 0;
    justify-self: start;
    text-align: left;
  }

  .arcade-controls {
    grid-template-columns: 1fr;
  }

  .arcade-help {
    text-align: center;
  }

  .arcade-help:last-child {
    text-align: center;
  }
}

@media (max-width: 640px) {
  .arcade-header {
    min-height: 76px;
  }

  .arcade-back-link {
    font-size: 0;
  }

  .arcade-back-link::before {
    font-size: 1.2rem;
  }

  .arcade-donate {
    min-height: 38px;
    padding-inline: 0.8rem;
    font-size: 0.6rem;
  }

  .arcade-main {
    padding-top: 3rem;
  }

  .arcade-title {
    font-size: clamp(2.75rem, 15vw, 4.5rem);
  }

  .arcade-machine {
    margin-inline: -0.25rem;
    border-radius: 20px;
    box-shadow: 6px 7px 0 rgba(143, 240, 197, 0.9);
  }

  .arcade-machine-bar em {
    display: none;
  }

  .arcade-hud {
    grid-template-columns: repeat(2, 1fr);
  }

  .arcade-hud > div:nth-child(2) {
    border-right: 0;
  }

  .arcade-hud > div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--arcade-line);
  }

  .arcade-canvas-wrap {
    min-height: 390px;
  }

  .arcade-overlay {
    padding: 1.2rem;
  }

  .arcade-overlay-mark {
    width: 54px;
    border-radius: 17px;
  }

  .arcade-note,
  .arcade-footer {
    grid-template-columns: 1fr;
  }

  .arcade-note {
    display: grid;
    gap: 0.6rem;
  }

  .arcade-footer {
    min-height: 155px;
    align-content: center;
    gap: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .arcade-back-link::before,
  .arcade-overlay {
    transition: none;
  }
}