:root {
  color-scheme: dark;
  --bg: #0b1020;
  --panel: rgba(15, 23, 42, 0.9);
  --panel-strong: #111827;
  --text: #eef5ff;
  --muted: #9fb1ca;
  --accent: #5eead4;
  --accent-strong: #14b8a6;
  --danger: #fb7185;
  --warning: #fbbf24;
  --road: #263247;
  --line: rgba(255, 255, 255, 0.16);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html,
body {
  margin: 0;
  min-height: 100%;
  overflow: hidden;
  background: radial-gradient(circle at top, #182541 0, var(--bg) 46rem);
  color: var(--text);
}

button {
  border: 0;
  border-radius: 999px;
  background: #1f2a44;
  color: var(--text);
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  min-height: 48px;
  padding: 0.8rem 1rem;
  touch-action: manipulation;
  box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.25);
}

button:active,
button.pressed {
  transform: translateY(2px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

button.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #06221f;
}

.app {
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 0.7rem;
  height: 100dvh;
  padding: max(0.6rem, env(safe-area-inset-top)) max(0.6rem, env(safe-area-inset-right)) max(0.6rem, env(safe-area-inset-bottom)) max(0.6rem, env(safe-area-inset-left));
}

.top-bar {
  align-items: center;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  margin: 0;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(1rem, 2.2vw, 1.7rem);
  margin-bottom: 0;
}

h2 {
  font-size: clamp(1.7rem, 5vw, 3rem);
  margin-bottom: 0.5rem;
}

.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  justify-content: flex-end;
}

.stats span {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  padding: 0.42rem 0.7rem;
}

.stage-wrap {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 28px;
  min-height: 0;
  overflow: hidden;
  position: relative;
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.35);
}

#gameCanvas {
  background: #192238;
  display: block;
  height: 100%;
  width: 100%;
}

.screen {
  align-items: center;
  display: flex;
  flex-direction: column;
  inset: 0;
  justify-content: center;
  padding: 1rem;
  position: absolute;
  text-align: center;
}

.panel {
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.92), rgba(2, 6, 23, 0.96));
  backdrop-filter: blur(8px);
}

.panel p {
  color: var(--muted);
  max-width: 32rem;
}

.hidden {
  display: none;
}

.level-grid {
  display: grid;
  gap: 0.45rem;
  grid-template-columns: repeat(10, minmax(2.2rem, 1fr));
  margin-top: 1rem;
  max-width: min(38rem, 100%);
  width: 100%;
}

.level-grid button {
  border-radius: 0.8rem;
  min-height: 2.55rem;
  padding: 0.4rem;
}

.level-grid button.locked {
  color: #64748b;
  cursor: not-allowed;
  opacity: 0.55;
}

.stars {
  color: var(--warning);
  font-size: 2rem;
  letter-spacing: 0.15em;
  margin: 0.5rem 0 1rem;
  min-height: 2.5rem;
}

.controls {
  display: grid;
  gap: 0.7rem;
  grid-template-columns: 1fr 1.4fr 1fr;
}

.controls > div {
  display: grid;
  gap: 0.5rem;
}

.steering,
.drive {
  grid-template-columns: 1fr 1fr;
}

.drive .primary {
  grid-row: span 2;
  min-height: 104px;
}

.utility {
  grid-template-columns: repeat(3, 1fr);
}

@media (orientation: portrait) {
  html,
  body {
    overflow: auto;
  }

  .app {
    min-height: 100dvh;
    overflow: auto;
  }

  .stage-wrap {
    aspect-ratio: 16 / 10;
    min-height: 360px;
  }

  .top-bar {
    align-items: flex-start;
    flex-direction: column;
  }

  .stats {
    justify-content: flex-start;
  }

  .controls {
    grid-template-columns: 1fr;
  }

  .utility {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

@media (max-width: 680px) {
  button {
    min-height: 44px;
    padding: 0.65rem 0.75rem;
  }

  .level-grid {
    grid-template-columns: repeat(6, minmax(2.2rem, 1fr));
  }

  .stats span {
    font-size: 0.74rem;
  }
}