:root {
  color-scheme: dark;
  font-family: Inter, ui-rounded, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  /* Colour aliases for existing selectors; design-tokens.css is the source of truth. */
  --ink: var(--turn-ink);
  --paper: var(--turn-paper);
  --cyan: var(--turn-blue-500);
  --pink: var(--turn-pink-500);
  --yellow: var(--turn-yellow-400);
  --lime: var(--turn-green-500);
  --app-width: 100vw;
  --app-height: 100vh;
}

@supports (height: 100dvh) {
  :root {
    --app-width: 100dvw;
    --app-height: 100dvh;
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  overscroll-behavior: none;
  background: var(--turn-surface-page);
}

body {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--app-width);
  min-width: 100vw;
  height: var(--app-height);
  min-height: 100vh;
  font-weight: 800;
}

@supports (height: 100lvh) {
  body {
    min-height: 100lvh;
  }
}

canvas { display: block; }

#game {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

#game canvas {
  width: 100% !important;
  height: 100% !important;
}

button {
  appearance: none;
  border: 3px solid var(--turn-outline);
  border-radius: 12px;
  font: inherit;
  color: var(--turn-text);
  box-shadow: 3.75px 3.75px 0 var(--turn-shadow-color);
}

button:active,
button.is-down {
  transform: translate(2.25px, 2.25px);
  box-shadow: 1.5px 1.5px 0 var(--turn-shadow-color);
}

[hidden] { display: none !important; }

.panel,
.rotate-panel {
  position: absolute;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding:
    max(18px, env(safe-area-inset-top))
    max(18px, env(safe-area-inset-right))
    max(18px, env(safe-area-inset-bottom))
    max(18px, env(safe-area-inset-left));
  background:
    radial-gradient(circle at 18% 18%, #ff8fab 0 10%, transparent 10.5%),
    radial-gradient(circle at 80% 23%, #ffd43b 0 13%, transparent 13.5%),
    linear-gradient(135deg, #38d9ff, #74c0fc 58%, #9775fa);
}

.start-card {
  width: min(570px, 94vw);
  padding: clamp(16.5px, 5vw, 36px);
  border: 5px solid var(--turn-outline);
  border-radius: 21px;
  background: var(--turn-surface-page);
  color: var(--turn-text);
  box-shadow: 9px 9px 0 var(--turn-shadow-color);
  transform: rotate(-1deg);
}

h1 {
  margin: 0;
  font-size: max(var(--turn-text-floor, 11px), clamp(3rem, 15vw, 6.75rem));
  line-height: 0.75;
  letter-spacing: -0.09em;
  font-weight: 1000;
}

.start-logo-heading {
  font-size: 0;
  line-height: 1;
  letter-spacing: 0;
}

.start-logo {
  display: block;
  width: clamp(78px, 27vh, 157.5px);
  max-width: 40vw;
  height: auto;
  border-radius: 22%;
}

.kicker {
  display: inline-block;
  margin-bottom: 12px;
  padding: 4.5px 7.5px;
  border: 3px solid var(--turn-outline);
  border-radius: 749.25px;
  background: var(--yellow);
  font-size: max(var(--turn-text-floor, 11px), 0.555rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transform: rotate(2deg);
}

.tagline {
  max-width: 39rem;
  margin: 15px 0 18px;
  font-size: max(var(--turn-text-floor, 11px), clamp(0.7125rem, 2.5vw, 0.975rem));
  line-height: 1.25;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10.5px;
}

.actions button {
  min-height: 43.5px;
  padding: 9px 13.5px;
  background: var(--turn-action-primary);
}

.actions .secondary { background: var(--cyan); }

.status {
  min-height: 1.4em;
  margin: 13.5px 0 0;
  font-size: max(var(--turn-text-floor, 11px), 0.63rem);
  line-height: 1.35;
  opacity: 0.72;
}

.rotate-panel {
  z-index: 80;
  text-align: center;
}

.rotate-card {
  padding: 21px;
  border: 5px solid var(--turn-outline);
  border-radius: 18px;
  background: var(--yellow);
  color: var(--turn-ink);
  box-shadow: 7.5px 7.5px 0 var(--turn-shadow-color);
}

.rotate-phone {
  width: 72px;
  height: 40.5px;
  margin: 0 auto 12px;
  border: 5px solid var(--turn-outline);
  border-radius: 10.5px;
  background: var(--turn-surface-page);
  transform: rotate(-10deg);
}

.hud {
  position: absolute;
  inset: 0;
  z-index: 10;
  pointer-events: none;
  padding:
    max(10px, env(safe-area-inset-top))
    max(12px, env(safe-area-inset-right))
    max(10px, env(safe-area-inset-bottom))
    max(12px, env(safe-area-inset-left));
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 9px;
}

.stats {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.chip,
.map-wrap,
.tilt-drive {
  border: 3px solid var(--turn-outline);
  border-radius: 10.5px;
  background: color-mix(in srgb, var(--turn-surface-page) 90%, transparent);
  color: var(--turn-text);
  box-shadow: 3px 3px 0 var(--turn-shadow-color);
}

.chip {
  min-width: 61.5px;
  padding: 5.25px 7.5px 6px;
  font-size: max(var(--turn-text-floor, 11px), 0.465rem);
  line-height: 1;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.chip strong {
  display: block;
  margin-top: 2.25px;
  font-size: max(var(--turn-text-floor, 11px), clamp(0.7125rem, 2.5vw, 1.05rem));
  letter-spacing: -0.04em;
}

.chip.is-invalid-lap {
  background: #ff6b6b;
}

.chip.is-invalid-lap strong {
  white-space: nowrap;
  font-size: max(var(--turn-text-floor, 11px), clamp(0.615rem, 2.2vw, 0.9rem));
  letter-spacing: -0.025em;
}

.map-wrap {
  width: min(24vw, 138px);
  aspect-ratio: 1.45;
  padding: 3.75px;
  background: rgb(255 255 255 / 0.82);
}

:root[data-theme="dark"] .map-wrap {
  background: color-mix(in srgb, var(--turn-surface-page) 90%, transparent);
}

#map {
  width: 100%;
  height: 100%;
  border-radius: 6px;
}

.message {
  position: absolute;
  left: 50%;
  top: 22%;
  transform: translateX(-50%) rotate(-2deg);
  padding: 5.25px 9.75px;
  border: 3px solid var(--turn-outline);
  border-radius: 749.25px;
  background: var(--yellow);
  color: var(--turn-ink);
  box-shadow: 3px 3px 0 var(--turn-shadow-color);
  font-size: max(var(--turn-text-floor, 11px), clamp(0.5625rem, 2vw, 0.75rem));
  /* A longer line (the tilt hint, #1032) takes the screen's width before it wraps,
     and then wraps into even lines. */
  width: max-content;
  max-width: calc(100% - 24px);
  text-align: center;
  text-wrap: balance;
  text-transform: uppercase;
  opacity: 0;
  transition: opacity 140ms ease;
}

.message.show { opacity: 1; }

.tilt-drive {
  position: absolute;
  left: 50%;
  bottom: max(9px, env(safe-area-inset-bottom));
  width: min(38vw, 210px);
  padding: 4.5px 6.75px 5.25px;
  transform: translateX(-50%);
  background: color-mix(in srgb, var(--turn-surface-page) 82%, transparent);
  text-align: center;
}

.tilt-drive > span {
  display: flex;
  justify-content: space-between;
  margin-bottom: 3px;
  font-size: max(var(--turn-text-floor, 11px), 0.4125rem);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.tilt-track {
  position: relative;
  height: 10.5px;
  overflow: hidden;
  border: 2px solid var(--turn-outline);
  border-radius: 749.25px;
  background: linear-gradient(90deg, var(--pink) 0 47%, var(--turn-surface-page) 47% 53%, var(--lime) 53% 100%);
}

.tilt-track::after {
  content: "";
  position: absolute;
  left: 50%;
  top: -1.5px;
  bottom: -1.5px;
  width: 1.5px;
  background: var(--turn-ink);
  transform: translateX(-50%);
}

.tilt-needle {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  width: 9.75px;
  height: 16.5px;
  border: 3px solid var(--turn-outline);
  border-radius: 5.25px;
  background: var(--yellow);
  transform: translate(-50%, -50%);
  transition: left 45ms linear;
}

.tilt-value {
  display: block;
  margin-top: 2.25px;
  font-size: max(var(--turn-text-floor, 11px), 0.4125rem);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.controls {
  position: absolute;
  z-index: 20;
  left: max(9px, env(safe-area-inset-left));
  right: max(9px, env(safe-area-inset-right));
  bottom: max(9px, env(safe-area-inset-bottom));
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 13.5px;
  pointer-events: none;
}

.controls button { pointer-events: auto; }

.utility-group {
  display: flex;
  gap: 6.75px;
  align-items: end;
}

.utility {
  min-height: 31.5px;
  padding: 5.25px 7.5px;
  border-radius: 9px;
  background: var(--turn-surface-page);
  font-size: max(var(--turn-text-floor, 11px), 0.495rem);
  text-transform: uppercase;
}

.pedals {
  display: flex;
  align-items: end;
  gap: 9px;
}

.pedal {
  width: clamp(51px, 11vw, 78px);
  height: clamp(51px, 11vw, 78px);
  border-radius: 50%;
  font-size: max(var(--turn-text-floor, 11px), clamp(0.51rem, 1.8vw, 0.7125rem));
  text-transform: uppercase;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

.brake { background: var(--pink); }
.gas {
  width: clamp(58.5px, 13vw, 88.5px);
  height: clamp(58.5px, 13vw, 88.5px);
  background: var(--lime);
}

.manual-steer {
  position: absolute;
  left: 22%;
  right: 38%;
  top: 0;
  bottom: 0;
  z-index: 15;
  touch-action: none;
}

@media (orientation: portrait) {
  .rotate-panel { display: grid; }
}

@media (orientation: landscape) {
  .rotate-panel { display: none; }
}

@media (max-height: 322.5px) {
  .chip { min-width: 52.5px; padding: 3.75px 5.25px 4.5px; }
  .chip strong { font-size: max(var(--turn-text-floor, 11px), 0.7125rem); }
  .chip.is-invalid-lap strong { font-size: max(var(--turn-text-floor, 11px), 0.615rem); }
  .map-wrap { width: min(21vw, 106.5px); }
  .message { top: 17%; }
  .tilt-drive { width: min(34vw, 180px); bottom: 6px; }
  .utility { font-size: max(var(--turn-text-floor, 11px), 0.4425rem); min-height: 28.5px; }
}