* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
}

body {
  font-family: "Trebuchet MS", "Segoe UI", system-ui, sans-serif;
  background: #05060f;
  color: #e8f6ff;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
}

#gameContainer, #gameContainer canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.hidden {
  display: none !important;
}

/* ---------- HUD ---------- */
#hud {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 10;
  padding: max(12px, env(safe-area-inset-top)) 14px 0;
}

.hud-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.hud-times {
  background: rgba(8, 10, 22, 0.78);
  backdrop-filter: blur(6px);
  border-radius: 14px;
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  border: 1px solid rgba(34, 211, 238, 0.25);
  box-shadow: 0 0 18px rgba(34, 211, 238, 0.12);
}

.time-row {
  display: flex;
  gap: 12px;
  font-size: 13px;
  align-items: baseline;
}

.time-row span {
  color: #7dd3fc;
  width: 38px;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 1px;
}

.time-row strong {
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  color: #f0fdff;
  text-shadow: 0 0 8px rgba(34, 211, 238, 0.5);
}

.time-row.best strong {
  color: #22d3ee;
}

.hud-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}

.speed {
  background: rgba(8, 10, 22, 0.78);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(240, 47, 214, 0.3);
  box-shadow: 0 0 18px rgba(240, 47, 214, 0.15);
  border-radius: 14px;
  padding: 8px 16px;
  text-align: center;
}

.speed strong {
  font-size: 30px;
  font-variant-numeric: tabular-nums;
  display: block;
  line-height: 1;
  color: #fff;
  text-shadow: 0 0 12px rgba(240, 47, 214, 0.7);
}

.speed span {
  font-size: 11px;
  color: #f0a6e8;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.icon-btn {
  pointer-events: auto;
  border: 1px solid rgba(34, 211, 238, 0.25);
  background: rgba(8, 10, 22, 0.78);
  backdrop-filter: blur(6px);
  border-radius: 12px;
  width: 44px;
  height: 44px;
  font-size: 20px;
  cursor: pointer;
  color: #fff;
}

#message {
  position: absolute;
  top: 22%;
  left: 0;
  right: 0;
  text-align: center;
  font-size: clamp(28px, 7vw, 52px);
  font-weight: 900;
  color: #fff;
  text-shadow: 0 0 18px #22d3ee, 0 0 46px #22d3ee, 0 3px 0 rgba(0, 0, 0, 0.6);
  opacity: 0;
  transition: opacity 0.25s ease;
}

#message.show {
  opacity: 1;
}

#wrongWay {
  position: absolute;
  top: 34%;
  left: 0;
  right: 0;
  text-align: center;
  font-size: clamp(22px, 5vw, 36px);
  font-weight: 900;
  color: #ff2fd6;
  text-shadow: 0 0 16px rgba(255, 47, 214, 0.8), 0 2px 0 rgba(0, 0, 0, 0.5);
  animation: blink 0.6s steps(2) infinite;
}

@keyframes blink {
  50% { opacity: 0.35; }
}

/* ---------- Touch controls ---------- */
#touchControls {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding: 0 16px max(20px, env(safe-area-inset-bottom));
  pointer-events: none;
}

.steer-zone, .pedal-zone {
  display: flex;
  gap: 14px;
  pointer-events: auto;
}

.touch-btn {
  border: 2px solid rgba(34, 211, 238, 0.4);
  background: rgba(8, 12, 26, 0.55);
  backdrop-filter: blur(4px);
  color: #a5f3fc;
  border-radius: 50%;
  width: 84px;
  height: 84px;
  font-size: 30px;
  font-family: inherit;
  touch-action: none;
  box-shadow: 0 0 14px rgba(34, 211, 238, 0.2);
}

.touch-btn.small {
  border-radius: 20px;
  width: 92px;
  height: 68px;
  font-size: 15px;
  font-weight: 900;
  letter-spacing: 1px;
  border-color: rgba(240, 47, 214, 0.45);
  color: #fbcfe8;
  box-shadow: 0 0 14px rgba(240, 47, 214, 0.2);
}

.touch-btn.active {
  background: rgba(34, 211, 238, 0.35);
  border-color: #22d3ee;
  box-shadow: 0 0 22px rgba(34, 211, 238, 0.55);
}

/* ---------- Overlays ---------- */
.overlay {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(3, 4, 12, 0.6);
  backdrop-filter: blur(5px);
  padding: 20px;
}

.panel {
  background: rgba(10, 13, 28, 0.94);
  border: 1px solid rgba(34, 211, 238, 0.3);
  border-radius: 24px;
  padding: 36px 40px;
  text-align: center;
  max-width: 420px;
  box-shadow: 0 0 40px rgba(34, 211, 238, 0.15), 0 24px 70px rgba(0, 0, 0, 0.6);
  animation: pop 0.3s ease;
}

@keyframes pop {
  from { transform: scale(0.92); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.kicker {
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: #f0a6e8;
  margin-bottom: 8px;
  text-shadow: 0 0 10px rgba(240, 47, 214, 0.6);
}

.panel h1 {
  font-size: clamp(40px, 10vw, 56px);
  line-height: 1;
  font-weight: 900;
  margin-bottom: 12px;
  background: linear-gradient(180deg, #a5f3fc, #22d3ee 45%, #e879f9);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 18px rgba(34, 211, 238, 0.45));
}

.hint {
  color: #b8c7e6;
  font-size: 15px;
  margin-bottom: 10px;
}

.best-line {
  color: #7d8db3;
  font-size: 15px;
  margin-bottom: 22px;
}

.best-line strong {
  color: #22d3ee;
  font-variant-numeric: tabular-nums;
  text-shadow: 0 0 10px rgba(34, 211, 238, 0.6);
}

.big-btn {
  border: none;
  background: linear-gradient(180deg, #67e8f9, #22d3ee);
  color: #03181d;
  font-size: 22px;
  font-weight: 900;
  font-family: inherit;
  padding: 16px 54px;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: 0 0 28px rgba(34, 211, 238, 0.55), 0 6px 0 #0e7490, 0 12px 28px rgba(0, 0, 0, 0.5);
  transition: transform 0.08s ease, box-shadow 0.08s ease;
}

.big-btn:active {
  transform: translateY(4px);
  box-shadow: 0 0 18px rgba(34, 211, 238, 0.4), 0 2px 0 #0e7490, 0 6px 14px rgba(0, 0, 0, 0.4);
}

.controls-hint {
  margin-top: 18px;
  font-size: 13px;
  color: #5b6a94;
  line-height: 1.6;
}

#countdown {
  font-size: clamp(70px, 18vw, 130px);
  font-weight: 900;
  color: #fff;
  text-shadow: 0 0 24px #22d3ee, 0 0 70px #22d3ee, 0 4px 0 rgba(0, 0, 0, 0.4);
}