:root {
  color-scheme: dark;
  --ink: #f7f5ec;
  --muted: #b6beb8;
  --ground: #101613;
  --panel: #19211d;
  --door: #26342d;
  --line: #58655e;
  --mint: #c7f27a;
  --amber: #ffd166;
  --coral: #ff8b78;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  min-width: 20rem;
  min-height: 100svh;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 50% 35%, #25382f 0, transparent 24rem),
    var(--ground);
}

button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }

.topbar, main {
  width: min(calc(100% - 1rem), 45rem);
  margin-inline: auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 2.7rem;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.topbar a { color: var(--ink); }

.heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: .75rem;
  padding: .65rem .15rem .5rem;
}

.heading h1 {
  margin: -.15rem 0 0;
  color: var(--mint);
  font-size: clamp(2.8rem, 14vw, 5rem);
  line-height: .9;
  letter-spacing: -.08em;
}

.heading > p {
  max-width: 25ch;
  margin: 0;
  color: var(--muted);
  font-size: clamp(.7rem, 2.5vw, .86rem);
  line-height: 1.35;
}

.kicker {
  margin: 0;
  color: var(--amber);
  font-size: .59rem;
  font-weight: 900;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.game-panel, .result-card {
  padding: .55rem;
  background: rgb(25 33 29 / 92%);
  border: 1px solid var(--line);
  border-radius: 1rem;
  box-shadow: 0 1.25rem 4rem rgb(0 0 0 / 25%);
}

.hud {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: .3rem;
  margin-bottom: .5rem;
}

.hud p {
  display: flex;
  flex-direction: column;
  gap: .12rem;
  min-width: 0;
  padding: .35rem;
  margin: 0;
  color: var(--muted);
  background: #111713;
  border-radius: .55rem;
  font-size: .58rem;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.hud strong {
  overflow: hidden;
  color: var(--ink);
  font-size: clamp(.78rem, 4vw, 1.05rem);
  font-variant-numeric: tabular-nums;
  text-overflow: ellipsis;
}

.car {
  position: relative;
  display: grid;
  grid-template: repeat(2, minmax(6.4rem, 1fr)) / repeat(2, minmax(0, 1fr));
  gap: .55rem 3.6rem;
  height: clamp(15.5rem, 48svh, 20rem);
  padding: .45rem;
  isolation: isolate;
}

.car::before {
  position: absolute;
  z-index: -1;
  inset: .1rem 27%;
  content: "";
  background:
    linear-gradient(90deg, transparent 49%, #87938c 49% 51%, transparent 51%),
    #36463e;
  border: 2px solid #718078;
  border-radius: 43% 43% 32% 32%;
  box-shadow: inset 0 0 0 .35rem #233129;
}

.door {
  position: relative;
  display: flex;
  align-items: end;
  justify-content: space-between;
  min-width: 4rem;
  min-height: 4rem;
  overflow: hidden;
  padding: .58rem;
  color: var(--ink);
  background: var(--door);
  border: 2px solid var(--line);
  border-radius: .8rem;
  font-size: .68rem;
  font-weight: 800;
  cursor: pointer;
  touch-action: manipulation;
}

.door:focus-visible {
  z-index: 4;
  outline: 4px solid var(--mint);
  outline-offset: 2px;
}

.key {
  position: absolute;
  z-index: 3;
  top: .42rem;
  left: .42rem;
  display: grid;
  width: 1.65rem;
  height: 1.65rem;
  color: #111713;
  background: var(--ink);
  border-radius: .38rem;
  place-items: center;
  font-size: .82rem;
}

.handle {
  position: absolute;
  z-index: 2;
  top: 50%;
  width: 1.8rem;
  height: .42rem;
  background: var(--ink);
  border: 2px solid #111713;
  border-radius: 999px;
  transform: translateY(-50%);
}

.door:nth-child(odd) .handle { right: .35rem; }
.door:nth-child(even) .handle { left: .35rem; }

.reach {
  position: absolute;
  z-index: 1;
  top: 29%;
  width: 3.8rem;
  height: 2.25rem;
  opacity: 0;
  background:
    radial-gradient(circle at 82% 18%, #0b0e0c 0 .35rem, transparent .38rem),
    radial-gradient(circle at 91% 39%, #0b0e0c 0 .32rem, transparent .35rem),
    linear-gradient(90deg, transparent, #0b0e0c 32%);
  border-radius: 50%;
}

.door:nth-child(odd) .reach { left: -1.4rem; }
.door:nth-child(even) .reach { right: -1.4rem; transform: scaleX(-1); }

.warning, .progress {
  position: absolute;
  z-index: 3;
  top: .38rem;
  right: .38rem;
  opacity: 0;
}

.warning {
  display: grid;
  width: 1.8rem;
  height: 1.65rem;
  color: #171109;
  background: var(--amber);
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
  place-items: end center;
  font-size: .88rem;
}

.progress {
  top: 2.35rem;
  width: 1.8rem;
  height: 1.8rem;
  background: conic-gradient(var(--amber) var(--arc, 0deg), #111713 0);
  border: 1px solid var(--ink);
  border-radius: 50%;
  box-shadow: inset 0 0 0 .48rem var(--door);
}

.door[data-threatened="true"] {
  background:
    repeating-linear-gradient(135deg, rgb(255 209 102 / 25%) 0 .45rem, transparent .45rem .9rem),
    var(--door);
  border-color: var(--amber);
}

.door[data-threatened="true"] .warning,
.door[data-threatened="true"] .progress { opacity: 1; }

.door[data-threatened="true"] .reach,
.door[data-shadow="true"] .reach { animation: reach-in .35s ease-out both; }
.door[data-shadow="true"] .reach { opacity: .56; }
.door[data-threatened="true"] .handle { animation: tug .22s ease-in-out infinite alternate; }

.car[data-cooldown="true"] .door {
  border-style: dashed;
  filter: saturate(.45);
}

.cabin {
  position: absolute;
  z-index: 3;
  inset: 8% calc(50% - 1.55rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-around;
  width: 3.1rem;
  pointer-events: none;
}

.windscreen {
  width: 2.35rem;
  height: 3.3rem;
  background:
    linear-gradient(145deg, rgb(255 255 255 / 30%), transparent 45%),
    #527368;
  border: 2px solid #18211d;
  border-radius: 45% 45% 18% 18%;
}

.parcels { display: grid; gap: .18rem; }
.parcels i {
  position: relative;
  width: 1.55rem;
  height: 1.15rem;
  background:
    linear-gradient(90deg, transparent 46%, #6e4d26 46% 54%, transparent 54%),
    #d8a65b;
  border: 2px solid #6e4d26;
  border-radius: .18rem;
}
.parcels i::before {
  position: absolute;
  top: -.35rem;
  left: .32rem;
  width: .55rem;
  height: .45rem;
  content: "";
  border: 2px solid #6e4d26;
  border-bottom: 0;
  border-radius: .3rem .3rem 0 0;
}
.parcels i.lost {
  opacity: .18;
  background: repeating-linear-gradient(45deg, var(--coral) 0 .2rem, transparent .2rem .4rem);
}

.feedback {
  min-height: 1.9rem;
  padding: .42rem .6rem;
  margin: .45rem 0 .25rem;
  color: #111713;
  background: var(--mint);
  border-radius: .5rem;
  font-size: .72rem;
  font-weight: 850;
}

.feedback[data-kind="miss"],
.feedback[data-kind="false-alarm"] { background: var(--coral); }
.feedback[data-kind="cooldown"] { background: var(--amber); }

.instructions {
  margin: 0;
  color: var(--muted);
  font-size: .68rem;
  line-height: 1.35;
}

kbd {
  padding: .05rem .24rem;
  color: var(--ink);
  background: #111713;
  border: 1px solid var(--line);
  border-radius: .2rem;
  font: inherit;
  font-weight: 900;
}

.result-card {
  min-height: min(26rem, 75svh);
  padding: clamp(1rem, 6vw, 2.5rem);
}

.result-card h2 {
  max-width: 11ch;
  margin: .35rem 0 1.2rem;
  font-size: clamp(2.4rem, 11vw, 4.5rem);
  line-height: .93;
  letter-spacing: -.06em;
}

.result-card dl {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .5rem;
  margin: 0;
}
.result-card dl div { padding: .65rem; background: #111713; border-radius: .6rem; }
.result-card dt { color: var(--muted); font-size: .68rem; }
.result-card dd { margin: .1rem 0 0; font-size: 1.35rem; font-weight: 900; }
.result-card > p:not(.kicker) { color: var(--muted); line-height: 1.5; }
.result-card button {
  min-height: 3.5rem;
  padding: .5rem 1.2rem;
  color: #111713;
  background: var(--mint);
  border: 0;
  border-radius: 999px;
  font-weight: 900;
  cursor: pointer;
}
.result-card button:focus-visible { outline: 4px solid var(--amber); outline-offset: 3px; }

body[data-paused="true"] .game-panel { opacity: .72; }

@keyframes reach-in {
  from { opacity: 0; translate: -2rem 0; }
  to { opacity: .82; translate: 0; }
}
@keyframes tug {
  from { translate: 0 0; }
  to { translate: .24rem 0; }
}

@media (max-width: 24rem) {
  .topbar span { max-width: 12rem; text-align: right; }
  .car { gap-inline: 3.15rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .door[data-threatened="true"] .handle { animation: none; translate: 0; }
  .door .reach { display: none; }
  .door[data-threatened="true"] {
    background:
      linear-gradient(115deg, var(--amber) 0 1rem, transparent 1rem),
      repeating-linear-gradient(135deg, rgb(255 209 102 / 25%) 0 .45rem, transparent .45rem .9rem),
      var(--door);
  }
}