:root {
  color-scheme: light;
  --ink: #111;
  --paper: #fff7ef;
  --cyan: #00c4f0;
  --magenta: #ff2f86;
  --lemon: #ffe14a;
  --lime: #7adf3a;
  --muted: #5a5a5a;
  --font: "Trebuchet MS", "Hiragino Sans", "Yu Gothic", sans-serif;
}

* { box-sizing: border-box; }

html {
  overflow-x: clip;
  overflow-y: scroll;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  font-family: var(--font);
  background:
    repeating-linear-gradient(90deg, #ffe14a 0 18px, #00c4f0 18px 36px, #ff2f86 36px 54px, #7adf3a 54px 72px),
    #111;
  background-size: 72px 18px, auto;
}

body::before {
  content: "";
  position: fixed;
  inset: 12px;
  pointer-events: none;
  border: 6px solid #111;
  box-shadow: inset 0 0 0 6px #fff;
}

a { color: inherit; }
button { font: inherit; color: inherit; }

a:focus-visible,
button:focus-visible,
canvas:focus-visible {
  outline: 4px solid var(--lemon);
  outline-offset: 3px;
}

.site-header,
main {
  width: min(94vw, 980px);
  margin-inline: auto;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 42px;
  padding-top: 8px;
}

.site-header a {
  font-weight: 800;
  text-decoration: none;
  background: #fff;
  padding: 4px 10px;
  border: 3px solid #111;
}

.site-header p {
  margin: 0;
  background: var(--lemon);
  border: 3px solid #111;
  padding: 3px 8px;
  font: 800 0.7rem/1 "Trebuchet MS", sans-serif;
}

main {
  display: grid;
  gap: 10px;
  padding: 0 0 64px;
}

.intro {
  background: #fff;
  border: 4px solid #111;
  padding: 8px 12px;
}

.eyebrow {
  margin: 0;
  color: var(--magenta);
  font: 800 0.68rem/1 "Trebuchet MS", sans-serif;
  letter-spacing: 0.12em;
}

.intro h1 {
  margin: 0;
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  line-height: 0.92;
}

.intro h1 span { color: var(--cyan); }

.intro p {
  margin: 4px 0 0;
  font-weight: 700;
}

.game-panel {
  display: grid;
  gap: 8px;
}

.hud {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.hud p {
  margin: 0;
  display: grid;
  gap: 1px;
  padding: 6px 8px;
  background: #fff;
  border: 3px solid #111;
}

.hud span {
  font-size: 0.66rem;
  font-weight: 800;
}

.hud strong { font-size: 1.1rem; }

.stage {
  position: relative;
  background: #fff;
  border: 4px solid #111;
  overflow: hidden;
}

#game {
  display: block;
  width: 100%;
  height: min(58vh, 520px);
  touch-action: none;
  cursor: pointer;
}

.hint,
.banner {
  position: absolute;
  left: 50%;
  z-index: 3;
  margin: 0;
  transform: translateX(-50%);
  pointer-events: none;
  font-weight: 900;
  border: 3px solid #111;
  background: var(--lemon);
  padding: 4px 12px;
}

.hint { top: 8px; font-size: 0.82rem; }

.banner {
  top: 42%;
  font-size: clamp(1.8rem, 6vw, 3.2rem);
  background: var(--magenta);
  color: #fff;
  padding: 6px 18px;
}

.overlay {
  position: absolute;
  inset: 0;
  z-index: 4;
  display: grid;
  place-content: center;
  gap: 6px;
  background: rgba(255, 247, 239, 0.92);
  text-align: center;
  padding: 16px;
}

.overlay[hidden],
.hint[hidden],
.banner[hidden] { display: none; }

.overlay-kicker {
  margin: 0;
  font: 800 0.75rem/1 "Trebuchet MS", sans-serif;
  letter-spacing: 0.14em;
  color: var(--magenta);
}

.overlay-lead {
  margin: 0;
  font-size: 1.4rem;
  font-weight: 900;
}

.overlay-note {
  margin: 0;
  color: var(--muted);
  font-weight: 700;
}

.start,
.share-x,
.reset,
.sound-btn {
  border: 3px solid #111;
  background: var(--magenta);
  color: #fff;
  font-weight: 900;
  min-height: 44px;
  cursor: pointer;
}

.start {
  justify-self: center;
  padding: 8px 22px;
  font-size: 1.05rem;
  box-shadow: 5px 5px 0 #111;
}

.fever-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 8px;
  align-items: center;
  background: #fff;
  border: 3px solid #111;
  padding: 6px 8px;
}

.fever-label {
  margin: 0;
  font-weight: 900;
  font-size: 0.78rem;
}

.fever-track {
  height: 16px;
  border: 3px solid #111;
  background: #eee;
}

.fever-fill {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--cyan), var(--magenta), var(--lemon));
}

.sound-btn {
  background: var(--lemon);
  color: #111;
  min-height: 34px;
  padding: 0 10px;
}

.sound-btn[aria-pressed="false"] { background: #ddd; }

.live {
  margin: 0;
  font-weight: 800;
  min-height: 1.3em;
}

.share-x {
  background: #111;
  padding: 8px 16px;
}

.help {
  background: #fff;
  border: 4px solid #111;
  padding: 14px;
  display: grid;
  gap: 8px;
}

.help h2 { margin: 0; font-size: 1.1rem; }

.help ol {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.help li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 8px;
  list-style: none;
}

.help li span {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  background: var(--cyan);
  border: 3px solid #111;
  font-weight: 900;
}

kbd {
  display: inline-block;
  padding: 0 5px;
  border: 2px solid #111;
  background: var(--lemon);
  font-size: 0.78em;
}

.save-note,
.key-hint,
.records {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.reset {
  justify-self: start;
  background: #fff;
  color: #111;
  padding: 6px 12px;
}

html[data-capture] [data-account] { display: none; }

body.is-fever .stage { box-shadow: 0 0 0 6px var(--magenta); }

@media (max-width: 430px) {
  body::before { inset: 6px; border-width: 4px; }
  .intro { padding: 4px 8px; }
  .intro h1 { font-size: 1.28rem; }
  .intro p { font-size: 0.78rem; }
  .hud { gap: 4px; }
  .hud p { padding: 3px 5px; }
  .hud strong { font-size: 0.92rem; }
  #game { height: 318px; }
  .hint { font-size: 0.72rem; top: 4px; padding: 3px 8px; }
  .site-header { min-height: 32px; padding-top: 4px; }
  .fever-row { padding: 4px 6px; }
  main { gap: 6px; }
}

@media (max-height: 760px) and (min-width: 880px) {
  .intro h1 { font-size: 1.6rem; }
  #game { height: min(56vh, 430px); }
}

@media (prefers-reduced-motion: reduce) {
  .banner { transition: none; }
}