:root {
  color-scheme: light;
  --sky-top: #82d8ff;
  --sky-bottom: #dff8ff;
  --panel: rgba(10, 31, 24, 0.34);
  --panel-border: rgba(255, 255, 255, 0.18);
  --text: #f8fff9;
  --shadow: rgba(10, 22, 15, 0.35);
  --accent: #ffffff;
  --accent-strong: #1f9b53;
  --button: linear-gradient(180deg, #fffef2 0%, #ffef9b 100%);
  --button-text: #2d3b28;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 15%, rgba(255, 255, 255, 0.38), transparent 20%),
    radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.25), transparent 18%),
    linear-gradient(180deg, var(--sky-top) 0%, var(--sky-bottom) 58%, #abf0a2 100%);
  font-family: ui-rounded, "Avenir Next", "Nunito", "Trebuchet MS", system-ui, sans-serif;
}

body {
  touch-action: manipulation;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.game-shell {
  position: relative;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.hud {
  position: absolute;
  inset: 0;
  padding: max(14px, env(safe-area-inset-top)) max(14px, env(safe-area-inset-right))
    max(14px, env(safe-area-inset-bottom)) max(14px, env(safe-area-inset-left));
  display: flex;
  justify-content: space-between;
  pointer-events: none;
}

.stat {
  display: grid;
  gap: 4px;
  align-content: start;
  color: #f7fff7;
  text-shadow: 0 3px 14px rgba(7, 26, 14, 0.42), 0 1px 0 rgba(0, 0, 0, 0.12);
  letter-spacing: 0.01em;
}

.stat__label {
  display: block;
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.9;
}

.stat__value {
  display: block;
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  line-height: 1;
  font-weight: 900;
  letter-spacing: -0.04em;
  -webkit-text-stroke: 0.5px rgba(255, 255, 255, 0.12);
}

.overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at center, rgba(255, 255, 255, 0.14), transparent 56%),
    linear-gradient(180deg, rgba(17, 54, 39, 0.24), rgba(17, 54, 39, 0.42));
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.overlay--visible {
  opacity: 1;
  pointer-events: auto;
}

.panel {
  width: min(92vw, 420px);
  padding: 24px 22px 20px;
  border-radius: 28px;
  color: var(--text);
  background: rgba(14, 34, 28, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.34);
  backdrop-filter: blur(16px);
  text-align: center;
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #defbdd;
}

h1 {
  margin: 0;
  font-size: clamp(2.4rem, 9vw, 4rem);
  line-height: 0.95;
  text-shadow: 0 8px 24px rgba(0, 0, 0, 0.22);
}

.copy {
  margin: 14px 0 0;
  font-size: 1rem;
  line-height: 1.45;
  color: rgba(245, 255, 246, 0.92);
}

.controls {
  margin-top: 18px;
  display: grid;
  gap: 12px;
  justify-items: center;
}

button {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 14px 26px;
  font: inherit;
  font-weight: 800;
  font-size: 1rem;
  color: var(--button-text);
  background: var(--button);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.22);
  cursor: pointer;
}

button:active {
  transform: translateY(1px) scale(0.99);
}

.hint {
  margin: 0;
  font-size: 0.92rem;
  opacity: 0.82;
}

.toast {
  position: absolute;
  left: 50%;
  bottom: max(18px, env(safe-area-inset-bottom));
  transform: translateX(-50%) translateY(12px);
  padding: 10px 14px;
  border-radius: 999px;
  color: white;
  background: rgba(20, 40, 31, 0.64);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  opacity: 0;
  transition: opacity 160ms ease, transform 160ms ease;
  pointer-events: none;
  font-size: 0.92rem;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 480px) {
  .stat__label {
    font-size: 0.67rem;
  }

  .stat__value {
    font-size: 1.6rem;
  }
}

@media (orientation: landscape) {
  .hud {
    padding-top: max(10px, env(safe-area-inset-top));
    align-items: flex-start;
  }

  .stat {
    gap: 2px;
  }

  .stat__label {
    font-size: 0.64rem;
  }

  .stat__value {
    font-size: clamp(1.5rem, 4.2vw, 2.4rem);
  }

  .panel {
    width: min(78vw, 520px);
    padding: 20px 22px 18px;
  }

  h1 {
    font-size: clamp(2rem, 6vw, 3.2rem);
  }

  .copy {
    margin-top: 10px;
    font-size: 0.94rem;
  }

  .controls {
    margin-top: 14px;
  }
}