:root {
  color-scheme: dark;
  --bg: #090b10;
  --panel: rgba(14, 20, 31, 0.82);
  --text: #f7fbff;
  --muted: #a9b6c9;
  --accent: #ff6b19;
  --green: #64ff9a;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 8%, rgba(255, 107, 25, 0.34), transparent 24rem),
    radial-gradient(circle at 86% 20%, rgba(100, 255, 154, 0.18), transparent 26rem),
    linear-gradient(135deg, #06070b, var(--bg) 52%, #10141d);
}

.layout {
  width: min(1420px, calc(100% - 28px));
  margin: 0 auto;
  padding: 28px 0 24px;
}

.intro {
  display: grid;
  grid-template-columns: 1.1fr 1.4fr;
  gap: 12px 28px;
  align-items: end;
  margin-bottom: 18px;
}

.kicker {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2.8rem, 8vw, 7rem);
  line-height: 0.82;
  letter-spacing: -0.08em;
  text-transform: uppercase;
}

p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.stats {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.stats span,
.driver,
.controls {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  padding: 13px 16px;
  background: var(--panel);
  backdrop-filter: blur(18px);
}

.driver {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: auto minmax(160px, 260px) auto;
  gap: 10px;
  align-items: center;
}

.driver label {
  color: var(--muted);
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.driver input,
.driver button {
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 12px;
  padding: 10px 12px;
  font: inherit;
}

.driver input {
  min-width: 0;
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.driver button {
  color: #07100b;
  background: var(--green);
  font-weight: 950;
  cursor: pointer;
}

.stats span {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.stats strong {
  float: right;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.controls {
  grid-column: 1 / -1;
  font-size: 0.95rem;
}

kbd {
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-bottom-width: 3px;
  border-radius: 7px;
  padding: 1px 6px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
  font: inherit;
}

.stage {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 28px;
  background: #161c21;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.45);
}

canvas {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  touch-action: none;
}

.message {
  position: absolute;
  left: 18px;
  bottom: 18px;
  max-width: calc(100% - 36px);
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 999px;
  padding: 10px 15px;
  color: var(--text);
  background: rgba(4, 7, 12, 0.68);
  backdrop-filter: blur(14px);
  font-weight: 800;
}

.touch {
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 12px;
  touch-action: none;
  user-select: none;
}

.touch-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.touch button {
  border: 0;
  border-radius: 18px;
  padding: 18px 10px;
  color: #07100b;
  background: var(--green);
  font: inherit;
  font-weight: 950;
  touch-action: none;
  user-select: none;
}

.touch button:active,
.touch button.active {
  transform: translateY(2px) scale(0.98);
  filter: brightness(1.18);
}

.leaderboard {
  display: grid;
  grid-template-columns: minmax(180px, 0.35fr) 1fr;
  gap: 16px;
  align-items: start;
  margin-top: 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  padding: 18px;
  background: var(--panel);
  backdrop-filter: blur(18px);
}

.leaderboard h2 {
  margin: 0;
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

.leaderboard ol {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px 20px;
  margin: 0;
  padding-left: 22px;
}

.leaderboard li {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

@media (max-width: 780px) {
  .layout {
    width: min(100% - 18px, 720px);
    padding-top: 16px;
  }

  .intro,
  .stats,
  .driver,
  .leaderboard {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: clamp(2.7rem, 18vw, 5rem);
  }

  .controls {
    display: none;
  }

  .touch {
    display: grid;
    position: sticky;
    bottom: 8px;
    z-index: 4;
    padding: 8px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 24px;
    background: rgba(4, 7, 12, 0.62);
    backdrop-filter: blur(16px);
  }

  .touch button {
    min-height: 72px;
    border-radius: 22px;
    font-size: 1.05rem;
  }

  .pedals button:last-child {
    background: var(--accent);
  }

  .leaderboard ol {
    grid-template-columns: 1fr;
  }
}