:root {
  color-scheme: dark;
  --ink: #f5fff9;
  --muted: #a8d8c2;
  --panel: rgba(9, 31, 27, 0.78);
  --panel-strong: rgba(12, 45, 38, 0.94);
  --line: rgba(216, 255, 238, 0.18);
  --slime: #7dffb4;
  --water: #62d7ff;
  --crate: #ffd56e;
  --danger: #ff776b;
  --floor: #493827;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #03100d;
  color: var(--ink);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100dvh;
  background:
    radial-gradient(circle at 26% 2%, rgba(111, 255, 179, 0.22), transparent 32%),
    radial-gradient(circle at 82% 18%, rgba(255, 199, 91, 0.14), transparent 26%),
    linear-gradient(180deg, #0b2d28 0%, #061915 48%, #050807 100%);
}

.shell {
  width: min(100vw, 480px);
  margin: 0 auto;
  padding: max(10px, env(safe-area-inset-top)) 12px max(16px, env(safe-area-inset-bottom));
}

.hud {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 7px;
  margin-bottom: 10px;
}

.hud > div {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 7px 4px 8px;
  background: var(--panel);
  text-align: center;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.2);
}

.label {
  display: block;
  color: var(--muted);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0;
}

strong {
  display: block;
  min-height: 22px;
  font-size: clamp(15px, 4vw, 20px);
  line-height: 1.15;
}

.stageWrap {
  position: relative;
}

#game {
  display: block;
  width: 100%;
  aspect-ratio: 390 / 640;
  border: 2px solid rgba(224, 255, 244, 0.22);
  border-radius: 8px;
  background: #12312b;
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.46), inset 0 0 80px rgba(255, 255, 255, 0.05);
  touch-action: none;
}

.pauseButton {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 3;
  width: 44px;
  min-height: 44px;
  padding: 0;
  border: 2px solid rgba(255, 255, 255, 0.42);
  border-radius: 8px;
  color: var(--ink);
  background: rgba(5, 14, 13, 0.72);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.32);
  font-size: 22px;
  line-height: 1;
}

.pauseButton[aria-pressed="true"] {
  color: #041410;
  background: #ffe58b;
}

.touchCoach {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 12px;
  z-index: 2;
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) 76px;
  gap: 10px;
  align-items: center;
  min-height: 84px;
  padding: 12px 98px 12px 14px;
  border: 1px solid rgba(218, 255, 244, 0.22);
  border-radius: 8px;
  background: rgba(8, 23, 22, 0.78);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.36);
  pointer-events: none;
}

.coachSlime {
  width: 34px;
  height: 25px;
  border-radius: 50% 50% 42% 42%;
  background: radial-gradient(circle at 30% 24%, #effff7 0 12%, #7dffdf 28%, #19b7a6 100%);
  box-shadow: 0 0 16px rgba(117, 255, 222, 0.45);
}

.coachText {
  display: block;
  color: var(--ink);
  font-size: 15px;
  font-weight: 900;
}

.coachMeter {
  display: block;
  grid-column: 2 / 3;
  height: 8px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.16);
  overflow: hidden;
}

.coachMeter i {
  display: block;
  width: 62%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #8fffe1, #62d7ff);
}

.coachPad {
  position: absolute;
  right: 13px;
  bottom: 10px;
  display: grid;
  grid-template-columns: repeat(3, 30px);
  grid-template-rows: repeat(2, 30px);
  place-items: center;
  width: 92px;
  height: 64px;
  border: 2px solid rgba(143, 255, 225, 0.8);
  border-radius: 50%;
  color: #eafff5;
  background: radial-gradient(circle, rgba(143, 255, 225, 0.35), rgba(9, 31, 27, 0.5));
  font-size: 17px;
}

.coachPad b:nth-child(1) {
  grid-column: 2;
}

.coachPad b:nth-child(2) {
  grid-column: 1;
}

.coachPad b:nth-child(3) {
  grid-column: 2;
}

.coachPad b:nth-child(4) {
  grid-column: 3;
}

.controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
  margin-top: 10px;
}

button {
  appearance: none;
  min-height: 46px;
  border: 0;
  border-radius: 8px;
  padding: 11px 9px;
  color: #041410;
  background: linear-gradient(135deg, #b6ffd9, #fff084);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.28);
  font: inherit;
  font-size: 14px;
  font-weight: 900;
}

button:focus-visible {
  outline: 3px solid rgba(255, 255, 255, 0.75);
  outline-offset: 2px;
}

#inflateButton {
  background: linear-gradient(135deg, #89ffd0, #88bcff);
}

#inflateButton.active {
  transform: translateY(1px) scale(0.99);
  filter: saturate(1.35);
}

#muteButton {
  grid-column: 1 / -1;
  color: var(--ink);
  background: var(--panel-strong);
  border: 1px solid var(--line);
  box-shadow: none;
}

.help {
  color: #dcfff1;
  line-height: 1.5;
}

h1 {
  margin: 13px 0 5px;
  font-size: 20px;
  line-height: 1.25;
}

p {
  margin: 6px 0;
  font-size: 14px;
}

.legend {
  color: #ffe58b;
  font-weight: 800;
}

.srOnly {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (min-width: 430px) {
  .hud {
    grid-template-columns: repeat(7, minmax(0, 1fr));
  }
}

@media (max-height: 720px) {
  .shell {
    padding-top: 8px;
  }

  .help {
    display: none;
  }

  .touchCoach {
    transform: scale(0.86);
    transform-origin: bottom center;
    bottom: -2px;
  }

  button {
    min-height: 42px;
    padding: 9px 7px;
  }

  .hud {
    gap: 5px;
  }
}