:root {
  color-scheme: dark;
  --bg: #09111a;
  --panel: #102133;
  --panel-2: #173049;
  --ink: #eef6ff;
  --muted: #98adbf;
  --accent: #ffd166;
  --accent-2: #7bdff2;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top, rgba(123, 223, 242, 0.14), transparent 30%),
    linear-gradient(180deg, #081018 0%, #0f1926 60%, #08111a 100%);
  color: var(--ink);
  font-family: "Trebuchet MS", "Verdana", sans-serif;
  overscroll-behavior: none;
  touch-action: manipulation;
}

.shell {
  max-width: 1040px;
  margin: 0 auto;
  padding: 10px 10px 14px;
}

.hud {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: end;
  margin-bottom: 8px;
}

.hud h1 {
  margin: 0;
  font-size: clamp(1.2rem, 3.8vw, 1.8rem);
  letter-spacing: 0.14em;
}

.hud p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.controls {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--muted);
  text-align: right;
  font-size: 0.92rem;
}

.game-panel {
  position: relative;
  border: 3px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(16, 33, 51, 0.95), rgba(8, 17, 26, 0.98));
  padding: 8px;
  box-shadow:
    0 16px 48px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
  overflow: clip;
}

canvas {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  max-height: calc(100dvh - 132px - env(safe-area-inset-top) - env(safe-area-inset-bottom));
  border-radius: 10px;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  background: #0d1a26;
}

.touch-hint {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.78rem;
  text-align: center;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.status-chip {
  position: absolute;
  top: 16px;
  left: 16px;
  min-height: 34px;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  font: 700 0.76rem/1 "Trebuchet MS", "Verdana", sans-serif;
  letter-spacing: 0.08em;
  color: var(--ink);
  background: rgba(12, 21, 31, 0.74);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.22);
  z-index: 3;
}

.restart-fab {
  position: absolute;
  top: 16px;
  right: 16px;
  appearance: none;
  border: 0;
  border-radius: 999px;
  min-height: 34px;
  padding: 0 12px;
  font: 700 0.78rem/1 "Trebuchet MS", "Verdana", sans-serif;
  letter-spacing: 0.08em;
  color: var(--ink);
  background: rgba(12, 21, 31, 0.74);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.22);
  z-index: 3;
}

.pause-fab {
  position: absolute;
  top: 16px;
  right: 92px;
  appearance: none;
  border: 0;
  border-radius: 999px;
  min-height: 34px;
  padding: 0 12px;
  font: 700 0.78rem/1 "Trebuchet MS", "Verdana", sans-serif;
  letter-spacing: 0.08em;
  color: var(--ink);
  background: rgba(12, 21, 31, 0.74);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.22);
  z-index: 3;
}

.restart-fab:active,
.restart-fab.is-active,
.pause-fab:active,
.pause-fab.is-active {
  transform: translateY(1px);
  background: rgba(22, 37, 55, 0.92);
}

.overlay,
.sheet {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding:
    calc(18px + env(safe-area-inset-top))
    18px
    calc(18px + env(safe-area-inset-bottom))
    18px;
  background: rgba(5, 10, 16, 0.74);
  backdrop-filter: blur(6px);
  z-index: 10;
}

.overlay.is-visible,
.sheet.is-visible {
  display: flex;
}

.card,
.sheet-card {
  width: min(100%, 460px);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(16, 33, 51, 0.98), rgba(9, 17, 26, 0.98));
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
  padding: 22px 20px;
}

.card.compact {
  width: min(100%, 340px);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.card h2,
.sheet-card h2 {
  margin: 0 0 10px;
  font-size: 1.7rem;
}

.lead {
  margin: 0 0 14px;
  color: var(--muted);
  line-height: 1.45;
}

.mini-stats {
  margin: 0 0 12px;
  color: var(--accent-2);
  font-size: 0.84rem;
}

.bullet-list {
  margin: 0 0 18px;
  padding-left: 18px;
  color: var(--ink);
}

.card-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0 0 18px;
}

.stat-grid div {
  padding: 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.stat-grid span {
  display: block;
  color: var(--muted);
  font-size: 0.76rem;
  margin-bottom: 6px;
}

.stat-grid strong {
  font-size: 1.15rem;
}

.primary-button,
.secondary-button {
  appearance: none;
  border: 0;
  border-radius: 14px;
  min-height: 48px;
  padding: 0 16px;
  font: 700 0.92rem/1 "Trebuchet MS", "Verdana", sans-serif;
  letter-spacing: 0.06em;
}

.primary-button {
  background: linear-gradient(180deg, #ffd166, #d8aa3d);
  color: #15202b;
}

.secondary-button {
  background: rgba(255, 255, 255, 0.08);
  color: var(--ink);
}

.secondary-button[hidden] {
  display: none;
}

.secondary-button.small {
  min-height: 40px;
  padding: 0 12px;
}

.sheet-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 12px;
  margin-bottom: 16px;
}

.toggle-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--ink);
}

.toggle-row input {
  width: 22px;
  height: 22px;
}

@media (max-width: 760px) {
  body {
    min-height: 100dvh;
  }

  .shell {
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
  }

  .hud {
    flex-direction: column;
    align-items: start;
    gap: 4px;
    margin-bottom: 6px;
  }

  .controls {
    text-align: left;
    font-size: 0.84rem;
  }

  .shell {
    max-width: 100%;
    padding:
      calc(6px + env(safe-area-inset-top))
      6px
      calc(8px + env(safe-area-inset-bottom))
      6px;
  }

  .hud h1 {
    font-size: 1.05rem;
    letter-spacing: 0.1em;
  }

  .hud p {
    font-size: 0.72rem;
  }

  .keyboard-only {
    display: none;
  }

  .game-panel {
    flex: 1;
    padding: 6px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    justify-content: stretch;
  }

  canvas {
    border-radius: 8px;
    aspect-ratio: 9 / 16;
    max-height: calc(100dvh - 84px - env(safe-area-inset-top) - env(safe-area-inset-bottom));
    min-height: min(74dvh, 820px);
  }

  .touch-hint {
    font-size: 0.72rem;
    margin-top: 6px;
  }

  .mini-stats {
    font-size: 0.76rem;
  }

  .status-chip {
    top: 12px;
    left: 12px;
    min-height: 30px;
    padding: 0 10px;
    font-size: 0.68rem;
  }
}

@media (max-width: 420px) {
  .restart-fab {
    top: 12px;
    right: 12px;
    min-height: 32px;
    font-size: 0.72rem;
    padding: 0 10px;
  }

  .pause-fab {
    top: 12px;
    right: 84px;
    min-height: 32px;
    font-size: 0.72rem;
    padding: 0 10px;
  }

  .hud p {
    font-size: 0.68rem;
    max-width: 28ch;
  }

  .touch-hint {
    font-size: 0.68rem;
  }

  .stat-grid {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  canvas {
    min-height: min(72dvh, 760px);
  }
}