:root {
  color-scheme: dark;
  --bg: #0b1016;
  --panel: #121a22;
  --panel-2: #17212b;
  --line: rgba(228, 239, 247, 0.14);
  --text: #eef6fa;
  --muted: #91a4af;
  --accent: #42e8c4;
  --accent-2: #ffcc57;
  --retro-blue: #3d7cff;
  --retro-pink: #ff5bc8;
  --danger: #ff6b7a;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  overflow: hidden;
  background:
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.035) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, rgba(66, 232, 196, 0.03) 0 1px, transparent 1px 64px),
    radial-gradient(circle at 20% 18%, rgba(66, 232, 196, 0.17), transparent 28rem),
    radial-gradient(circle at 82% 78%, rgba(255, 91, 200, 0.12), transparent 25rem),
    radial-gradient(circle at 76% 22%, rgba(255, 204, 87, 0.1), transparent 22rem),
    linear-gradient(140deg, #091017, #101820 54%, #090d12);
  color: var(--text);
  font-family: Tahoma, Verdana, Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
  -webkit-tap-highlight-color: transparent;
}

body::before,
body::after {
  position: fixed;
  pointer-events: none;
  content: "";
}

body::before {
  inset: 0;
  z-index: 0;
  background: repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.035) 0 1px, transparent 1px 4px);
  opacity: 0.55;
}

body::after {
  top: 0;
  right: 0;
  left: 0;
  z-index: 3;
  height: 10px;
  background:
    linear-gradient(45deg, #42e8c4 25%, transparent 25% 75%, #42e8c4 75%),
    linear-gradient(45deg, #ff5bc8 25%, transparent 25% 75%, #ff5bc8 75%);
  background-position: 0 0, 8px 8px;
  background-size: 16px 16px;
  opacity: 0.74;
}

button,
input {
  font: inherit;
}

.shell {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 100%;
  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));
  place-items: center;
}

.game-panel {
  width: min(100%, 1120px);
  display: grid;
  gap: 12px;
}

.hud,
.controls {
  display: grid;
  grid-template-columns: minmax(76px, 1fr) auto minmax(76px, 1fr);
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(18, 26, 34, 0.76);
  box-shadow:
    var(--shadow),
    inset 2px 2px 0 rgba(255, 255, 255, 0.12),
    inset -2px -2px 0 rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(18px);
}

.hud {
  min-height: 76px;
  padding: 12px 14px;
}

.score-block {
  display: grid;
  gap: 2px;
}

.score-block--right {
  justify-items: end;
}

.score-label,
.status span,
.toggle {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
}

.score-block strong {
  color: var(--text);
  font-size: clamp(2rem, 8vw, 4.75rem);
  line-height: 0.9;
  font-variant-numeric: tabular-nums;
}

.status {
  display: grid;
  min-width: min(42vw, 220px);
  justify-items: center;
  gap: 5px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(0, 0, 0, 0.12)),
    rgba(7, 10, 14, 0.52);
  box-shadow:
    inset 1px 1px 0 rgba(255, 255, 255, 0.14),
    inset -1px -1px 0 rgba(0, 0, 0, 0.5);
  text-align: center;
}

.status span:first-child {
  color: var(--text);
}

.canvas-wrap {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #071017;
  box-shadow:
    var(--shadow),
    0 0 0 4px rgba(255, 91, 200, 0.08),
    inset 3px 3px 0 rgba(255, 255, 255, 0.12),
    inset -3px -3px 0 rgba(0, 0, 0, 0.5);
  touch-action: none;
}

.canvas-wrap::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(66, 232, 196, 0.24), rgba(255, 91, 200, 0.2), rgba(255, 204, 87, 0.2));
  content: "";
  height: 4px;
}

canvas {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: calc(100vh - 178px - env(safe-area-inset-top) - env(safe-area-inset-bottom));
  cursor: none;
}

.overlay-button {
  position: absolute;
  inset: 50% auto auto 50%;
  display: grid;
  min-width: 176px;
  transform: translate(-50%, -50%);
  gap: 4px;
  padding: 14px 20px;
  border: 1px solid rgba(66, 232, 196, 0.58);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(0, 0, 0, 0.1)),
    rgba(9, 17, 23, 0.9);
  color: var(--text);
  box-shadow:
    0 14px 44px rgba(66, 232, 196, 0.16),
    inset 2px 2px 0 rgba(255, 255, 255, 0.14),
    inset -2px -2px 0 rgba(0, 0, 0, 0.48);
  z-index: 2;
  text-align: center;
}

.overlay-button span {
  font-size: 1.22rem;
  font-weight: 850;
}

.overlay-button small {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
}

.overlay-button.is-hidden {
  display: none;
}

.controls {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  min-height: 58px;
  padding: 8px;
}

.control-button,
.toggle {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(0, 0, 0, 0.12)),
    rgba(255, 255, 255, 0.045);
  color: var(--text);
  box-shadow:
    inset 1px 1px 0 rgba(255, 255, 255, 0.12),
    inset -1px -1px 0 rgba(0, 0, 0, 0.5);
}

.control-button {
  display: grid;
  place-items: center;
  cursor: pointer;
}

.control-button span {
  display: block;
  line-height: 1;
  font-size: 1.18rem;
  font-weight: 900;
}

.toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
}

.toggle input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.control-button:focus-visible,
.toggle:focus-within,
.overlay-button:focus-visible {
  outline: 3px solid rgba(66, 232, 196, 0.34);
  outline-offset: 2px;
}

@media (hover: hover) {
  .control-button:hover,
  .toggle:hover,
  .overlay-button:hover {
    border-color: rgba(66, 232, 196, 0.5);
    background: rgba(66, 232, 196, 0.08);
  }
}

@media (max-width: 640px) {
  body {
    overflow: auto;
  }

  .shell {
    align-items: start;
  }

  .game-panel {
    gap: 10px;
  }

  .hud {
    min-height: 66px;
    padding: 10px;
  }

  .status {
    min-width: 122px;
    padding: 8px 10px;
  }

  .score-label,
  .status span,
  .toggle {
    font-size: 0.68rem;
  }

  canvas {
    max-height: 58vh;
  }

  .controls {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 420px) {
  .hud {
    grid-template-columns: 1fr 1.15fr 1fr;
  }

  .score-block strong {
    font-size: 2rem;
  }
}