:root {
  color-scheme: dark;
  --ink: #f7f1df;
  --muted: #b8b2a5;
  --paper: #111515;
  --panel: #1b2221;
  --line: #52605b;
  --mint: #9ce9c5;
  --amber: #ffc966;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-synthesis: none;
}

* { box-sizing: border-box; }

body {
  min-width: 20rem;
  min-height: 100svh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 90% 0, rgb(156 233 197 / 10%), transparent 20rem),
    var(--paper);
}

button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; font: inherit; }
a { color: var(--ink); }

.topbar, main {
  width: min(100% - 1.5rem, 46rem);
  margin-inline: auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 3.5rem;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  font-size: .72rem;
  text-transform: uppercase;
}

.topbar a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-weight: 800;
  text-underline-offset: .25rem;
}

main { padding: 1.2rem 0 2.5rem; }

.kicker, .fiction {
  margin: 0 0 .55rem;
  color: var(--mint);
  font-size: .68rem;
  font-weight: 900;
  letter-spacing: .1em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-family: Impact, Haettenschweiler, sans-serif;
  font-size: clamp(3.8rem, 19vw, 7.5rem);
  font-weight: 900;
  line-height: .75;
  letter-spacing: -.035em;
  text-transform: uppercase;
}

.fiction {
  margin: 1rem 0 1.1rem;
  color: var(--muted);
  letter-spacing: .04em;
}

.game-panel, .result-card {
  padding: 1rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  box-shadow: .4rem .4rem 0 #080a0a;
}

.round-line {
  display: flex;
  justify-content: space-between;
  margin-bottom: .8rem;
  color: var(--muted);
  font-size: .78rem;
  text-transform: uppercase;
}

.round-line strong { color: var(--ink); }

.meters {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .55rem;
}

.meters p {
  min-width: 0;
  padding: .75rem;
  margin: 0;
  background: #111716;
  border: 1px solid #3a4642;
  border-radius: .65rem;
}

.meters p:first-child { grid-column: 1 / -1; }
.meters span, .meters strong { display: block; }
.meters span { color: var(--muted); font-size: .66rem; text-transform: uppercase; }
.meters strong { margin-top: .3rem; font-size: clamp(1rem, 5vw, 1.35rem); }

.gauge {
  --progress: 0%;
  position: relative;
  height: 2.3rem;
  margin: .85rem 0;
  overflow: hidden;
  background: #080c0b;
  border: 1px solid var(--line);
  border-radius: .4rem;
}

.gauge-fill {
  display: block;
  width: var(--progress);
  height: 100%;
  background: repeating-linear-gradient(90deg, var(--mint) 0 12px, #7fc6a6 12px 16px);
  transition: width 80ms linear;
}

.cap-mark {
  position: absolute;
  top: 0;
  right: 8.6%;
  height: 100%;
  padding: .42rem .2rem 0;
  color: #080c0b;
  background: var(--amber);
  font-size: .58rem;
  font-weight: 900;
}

.needle {
  position: absolute;
  top: -.1rem;
  left: var(--progress);
  width: .25rem;
  height: 2.5rem;
  background: var(--ink);
  box-shadow: 0 0 0 1px #080c0b;
  transform: translateX(-50%);
  transition: left 80ms linear;
}

.gauge.coasting .gauge-fill,
.gauge.coasting .needle {
  transition-duration: 420ms;
  transition-timing-function: ease-out;
}

.gauge.filling .needle { animation: needle-bounce .4s infinite; }

.pump {
  display: grid;
  width: 100%;
  min-height: 10rem;
  padding: 1rem;
  color: var(--ink);
  background: #29322f;
  border: 2px solid #73857f;
  border-radius: .9rem;
  cursor: pointer;
  touch-action: none;
  user-select: none;
  place-items: center;
}

.pump[aria-pressed="true"] { background: #34423d; border-width: 4px; }
.pump:disabled { cursor: wait; opacity: .78; }
.pump-symbol { font-size: 2.6rem; line-height: 1; }
.pump #pump-label { font-size: 1.05rem; font-weight: 900; text-transform: uppercase; }
.pump small { color: var(--muted); font-size: .7rem; }

.pump:focus-visible, .retry:focus-visible, .topbar a:focus-visible {
  outline: 4px solid var(--amber);
  outline-offset: 4px;
}

.instructions {
  margin: .8rem 0 0;
  color: var(--muted);
  font-family: system-ui, sans-serif;
  font-size: .78rem;
  line-height: 1.5;
}

kbd {
  padding: .12rem .3rem;
  color: var(--ink);
  background: #080c0b;
  border: 1px solid var(--line);
  border-radius: .25rem;
}

.status-key { display: flex; gap: .4rem; padding: 0; margin: .7rem 0 0; list-style: none; }
.status-key li { padding: .3rem .45rem; border: 1px solid var(--line); font-size: .65rem; text-transform: uppercase; }

.feedback {
  padding: .9rem;
  margin-top: .8rem;
  color: var(--ink);
  background: #111716;
  border: 3px dashed var(--line);
  border-radius: .55rem;
  font-weight: 900;
  text-transform: uppercase;
}

.feedback strong { display: block; font-size: 1.05rem; }
.feedback span { color: var(--muted); font-size: .7rem; }
.feedback[data-result="near"] { border-style: double; border-width: 6px; }
.feedback[data-result="precision"] { outline: 3px dotted var(--mint); outline-offset: -7px; }
.feedback[data-result="overshoot"] {
  background: repeating-linear-gradient(135deg, #2b1716 0 10px, #111716 10px 20px);
  border-style: solid;
}

.result-card h2 {
  max-width: 13ch;
  margin: .3rem 0 1rem;
  font-size: clamp(2rem, 9vw, 3.3rem);
  line-height: .92;
  letter-spacing: -.055em;
}

.result-card dl { display: grid; grid-template-columns: 1fr 1fr; gap: .55rem; }
.result-card dl div { padding: .8rem; background: #111716; border: 1px solid #3a4642; }
.result-card dt { color: var(--muted); font-size: .65rem; text-transform: uppercase; }
.result-card dd { margin: .3rem 0 0; font-weight: 900; }
.run-score, .new-best { font-weight: 900; }
.new-best { color: var(--mint); text-transform: uppercase; }

.retry {
  width: 100%;
  min-height: 3.4rem;
  margin-top: .4rem;
  color: #101515;
  background: var(--amber);
  border: 0;
  border-radius: 999px;
  font-weight: 900;
  cursor: pointer;
}

[hidden] { display: none !important; }

@keyframes needle-bounce {
  50% { transform: translateX(-50%) translateY(-.22rem); }
}

@media (min-width: 38rem) {
  main { padding-top: 2rem; }
  .game-panel, .result-card { padding: 1.35rem; }
  .meters { grid-template-columns: repeat(3, 1fr); }
  .meters p:first-child { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }
}