/* === NEON CIRCUIT — retro synthwave styling === */

:root {
  --bg-deep: #0a001a;
  --bg-mid: #1a0033;
  --neon-pink: #ff006e;
  --neon-magenta: #ff00aa;
  --neon-cyan: #00f0ff;
  --neon-orange: #ffaa00;
  --neon-yellow: #ffe600;
  --text: #ffe6f5;
  --text-dim: #a994b8;
}

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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg-deep);
  color: var(--text);
  font-family: 'VT323', 'Courier New', monospace;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;
}

#game-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}

/* === Screens (menus) === */

.screen {
  position: fixed;
  inset: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: clamp(16px, 4vw, 48px);
  background: linear-gradient(180deg, rgba(10,0,26,0.85) 0%, rgba(26,0,51,0.92) 100%);
  z-index: 10;
  animation: screenFadeIn 0.35s ease-out;
}
.screen.visible { display: flex; }

@keyframes screenFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

.title-stack {
  position: relative;
  text-align: center;
  z-index: 2;
}

.title-glitch {
  font-family: 'Orbitron', sans-serif;
  font-weight: 900;
  font-size: clamp(48px, 11vw, 128px);
  letter-spacing: 0.04em;
  background: linear-gradient(180deg, var(--neon-yellow) 0%, var(--neon-orange) 40%, var(--neon-pink) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow:
    0 0 24px rgba(255, 0, 110, 0.4),
    0 0 48px rgba(255, 0, 170, 0.2);
  position: relative;
  line-height: 1;
}

.title-glitch::before,
.title-glitch::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  background: inherit;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  pointer-events: none;
}
.title-glitch::before {
  transform: translate(-2px, 0);
  text-shadow: 2px 0 var(--neon-cyan);
  opacity: 0.5;
  mix-blend-mode: screen;
}
.title-glitch::after {
  transform: translate(2px, 0);
  text-shadow: -2px 0 var(--neon-pink);
  opacity: 0.5;
  mix-blend-mode: screen;
}

.subtitle {
  font-size: clamp(16px, 2.5vw, 22px);
  color: var(--neon-cyan);
  letter-spacing: 0.3em;
  margin-top: 8px;
  text-shadow: 0 0 8px var(--neon-cyan);
}

.menu-buttons {
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: center;
}

.btn {
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  font-size: clamp(16px, 2.4vw, 20px);
  letter-spacing: 0.15em;
  padding: 14px 36px;
  min-width: 240px;
  background: rgba(255, 0, 170, 0.08);
  border: 2px solid var(--neon-magenta);
  color: var(--text);
  cursor: pointer;
  transition: all 0.15s ease-out;
  position: relative;
  text-shadow: 0 0 8px rgba(255, 0, 170, 0.6);
}
.btn:hover, .btn:focus-visible {
  background: rgba(255, 0, 170, 0.25);
  box-shadow: 0 0 24px rgba(255, 0, 170, 0.5), inset 0 0 12px rgba(255, 0, 170, 0.3);
  transform: translateY(-1px);
  outline: none;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: linear-gradient(135deg, var(--neon-pink), var(--neon-orange));
  border-color: var(--neon-yellow);
  color: #1a0033;
  text-shadow: none;
}
.btn-primary:hover {
  box-shadow: 0 0 32px rgba(255, 170, 0, 0.6);
}

.btn-back {
  margin-top: 24px;
  background: transparent;
  border-color: var(--text-dim);
  color: var(--text-dim);
  min-width: 160px;
  font-size: 16px;
  padding: 10px 20px;
}

.hint {
  margin-top: 32px;
  color: var(--text-dim);
  font-size: 18px;
  letter-spacing: 0.2em;
  animation: blink 1.4s steps(2) infinite;
}
@keyframes blink { 50% { opacity: 0.3; } }

.grid-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, transparent 60%, rgba(255, 0, 170, 0.15) 100%),
    repeating-linear-gradient(90deg, transparent 0, transparent 39px, rgba(0, 240, 255, 0.18) 40px),
    repeating-linear-gradient(0deg, transparent 0, transparent 39px, rgba(0, 240, 255, 0.10) 40px);
  transform: perspective(400px) rotateX(60deg) translateY(20%) scale(2);
  transform-origin: center bottom;
  opacity: 0.5;
  pointer-events: none;
  mask-image: linear-gradient(180deg, transparent 30%, black 80%);
}

.screen-heading {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(28px, 5vw, 44px);
  letter-spacing: 0.18em;
  color: var(--neon-yellow);
  text-shadow: 0 0 12px var(--neon-orange);
  margin-bottom: 32px;
}

/* === Track select === */

#screen-tracks {
  overflow-y: auto;
  justify-content: flex-start;
}

.track-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 20px;
  width: min(1040px, 100%);
}

.track-card {
  border: 2px solid var(--neon-cyan);
  padding: 20px;
  background: rgba(0, 240, 255, 0.05);
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}
.track-card:hover {
  background: rgba(0, 240, 255, 0.15);
  box-shadow: 0 0 24px rgba(0, 240, 255, 0.4);
  transform: translateY(-3px);
}

.track-thumb {
  height: 120px;
  background: rgba(0,0,0,0.4);
  margin-bottom: 12px;
  position: relative;
  overflow: hidden;
}
.track-oval::before { content: ''; position: absolute; inset: 20% 15%; border: 3px solid var(--neon-magenta); border-radius: 50%; box-shadow: 0 0 12px var(--neon-magenta); }
.track-figure8::before { content: '8'; position: absolute; inset: 0; display: grid; place-items: center; font-family: 'Orbitron'; font-size: 88px; color: var(--neon-cyan); text-shadow: 0 0 16px var(--neon-cyan); transform: rotate(-12deg); }
.track-mountain::before { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 80%; background: linear-gradient(135deg, transparent 50%, var(--neon-orange) 50%, var(--neon-pink) 75%, transparent 76%); opacity: 0.7; }
.track-kartway::before { content: ''; position: absolute; inset: 26% 12%; border: 3px solid var(--neon-pink); border-radius: 45% 18% 38% 22%; box-shadow: 0 0 12px var(--neon-pink); transform: rotate(-8deg); }
.track-harbor::before { content: ''; position: absolute; inset: 18% 12%; border: 3px solid var(--neon-cyan); clip-path: polygon(0 55%, 22% 12%, 52% 22%, 72% 8%, 100% 40%, 78% 82%, 44% 70%, 18% 92%); box-shadow: 0 0 12px var(--neon-cyan); }
.track-spiral::before { content: ''; position: absolute; inset: 14% 20%; border: 3px solid var(--neon-yellow); border-radius: 50%; box-shadow: 0 0 12px var(--neon-yellow), inset 0 0 0 18px rgba(255, 230, 0, 0.08), inset 0 0 0 36px rgba(255, 0, 170, 0.08); }

.track-card h3 {
  font-family: 'Orbitron', sans-serif;
  font-size: 18px;
  letter-spacing: 0.1em;
  color: var(--text);
  margin-bottom: 4px;
}
.track-card p {
  font-size: 14px;
  color: var(--text-dim);
  letter-spacing: 0.15em;
}

/* === Career === */

.career-info {
  display: flex;
  gap: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
  justify-content: center;
}

.stat-pill {
  font-family: 'Orbitron', sans-serif;
  font-size: 16px;
  letter-spacing: 0.12em;
  padding: 10px 20px;
  border: 2px solid var(--neon-cyan);
  background: rgba(0, 240, 255, 0.06);
  color: var(--neon-cyan);
}
.stat-pill span { color: var(--text); margin-left: 8px; }

.career-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

/* === Garage === */

.garage-money {
  font-family: 'Orbitron', sans-serif;
  font-size: 28px;
  color: var(--neon-yellow);
  text-shadow: 0 0 12px var(--neon-orange);
  margin-bottom: 24px;
}

.upgrade-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  width: min(800px, 100%);
}

.upgrade-card {
  border: 2px solid var(--neon-magenta);
  padding: 16px;
  background: rgba(255, 0, 170, 0.08);
}
.upgrade-card h4 {
  font-family: 'Orbitron', sans-serif;
  font-size: 16px;
  letter-spacing: 0.12em;
  color: var(--text);
  margin-bottom: 8px;
}
.upgrade-card .level-bar {
  display: flex;
  gap: 4px;
  margin: 10px 0;
}
.upgrade-card .level-pip {
  flex: 1;
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
}
.upgrade-card .level-pip.filled {
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-magenta));
  box-shadow: 0 0 6px var(--neon-magenta);
}
.upgrade-card .desc {
  font-size: 16px;
  color: var(--text-dim);
  margin-bottom: 12px;
  min-height: 36px;
}
.upgrade-card .upgrade-btn {
  width: 100%;
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  font-size: 14px;
  padding: 8px;
  background: var(--neon-magenta);
  border: none;
  color: white;
  cursor: pointer;
  letter-spacing: 0.1em;
}
.upgrade-card .upgrade-btn:disabled {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-dim);
  cursor: not-allowed;
}

/* === Settings === */

.settings-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: min(400px, 100%);
}
.setting-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border: 2px solid var(--neon-cyan);
  background: rgba(0, 240, 255, 0.05);
  font-family: 'Orbitron', sans-serif;
  font-size: 14px;
  letter-spacing: 0.12em;
  cursor: pointer;
}
.setting-row input[type=checkbox] {
  width: 24px;
  height: 24px;
  accent-color: var(--neon-magenta);
}

/* === Results === */

#screen-results.career-complete {
  background:
    radial-gradient(circle at 50% 22%, rgba(255, 230, 0, 0.22), transparent 26%),
    radial-gradient(circle at 18% 35%, rgba(0, 240, 255, 0.18), transparent 22%),
    radial-gradient(circle at 82% 34%, rgba(255, 0, 170, 0.18), transparent 22%),
    linear-gradient(180deg, rgba(10,0,26,0.92) 0%, rgba(26,0,51,0.96) 100%);
}

#screen-results.career-complete::before,
#screen-results.career-complete::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(74deg, transparent 0 26px, rgba(255, 230, 0, 0.18) 27px 29px, transparent 30px 62px),
    repeating-linear-gradient(112deg, transparent 0 34px, rgba(0, 240, 255, 0.14) 35px 37px, transparent 38px 78px);
  opacity: 0.45;
  animation: championSweep 4s linear infinite;
}

#screen-results.career-complete::after {
  filter: hue-rotate(90deg);
  opacity: 0.25;
  animation-duration: 6s;
  animation-direction: reverse;
}

.results-subtitle {
  min-height: 24px;
  margin: -20px 0 18px;
  color: var(--neon-cyan);
  font-size: 22px;
  text-align: center;
  text-shadow: 0 0 10px var(--neon-cyan);
}

.champion-badge {
  display: none;
}

#screen-results.career-complete .screen-heading {
  color: var(--neon-yellow);
  font-size: clamp(36px, 7vw, 74px);
  margin-bottom: 24px;
  text-shadow: 0 0 18px var(--neon-orange), 0 0 42px var(--neon-pink);
}

#screen-results.career-complete .champion-badge {
  display: grid;
  place-items: center;
  width: clamp(96px, 18vw, 150px);
  aspect-ratio: 1;
  margin-bottom: 18px;
  border: 3px solid var(--neon-yellow);
  border-radius: 50%;
  color: var(--neon-yellow);
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(52px, 10vw, 92px);
  background: rgba(255, 230, 0, 0.08);
  box-shadow: 0 0 24px rgba(255, 230, 0, 0.75), inset 0 0 24px rgba(255, 0, 170, 0.35);
  animation: championPulse 1.4s ease-in-out infinite;
}

.results-body {
  width: min(420px, 100%);
  margin-bottom: 24px;
}
.results-row {
  display: flex;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 0, 170, 0.3);
  font-family: 'Orbitron', sans-serif;
  font-size: 18px;
  letter-spacing: 0.12em;
}
.results-row span:first-child { color: var(--text-dim); }
.results-row span:last-child { color: var(--text); }
.results-row.prize span:last-child { color: var(--neon-yellow); text-shadow: 0 0 8px var(--neon-orange); }

@keyframes championPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.06); }
}

@keyframes championSweep {
  from { background-position: 0 0, 0 0; }
  to { background-position: 220px 0, -260px 0; }
}

/* === HUD === */

.hud {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 5;
  font-family: 'Orbitron', sans-serif;
}
.hud.hidden { display: none; }

.hud-top {
  position: absolute;
  top: env(safe-area-inset-top, 12px);
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  padding: 12px 20px;
  font-size: clamp(16px, 2.5vw, 22px);
  letter-spacing: 0.12em;
}
.hud-lap, .hud-pos, .hud-time {
  background: rgba(10, 0, 26, 0.7);
  border: 2px solid var(--neon-magenta);
  padding: 6px 14px;
  text-shadow: 0 0 8px var(--neon-magenta);
}
.hud-time { color: var(--neon-cyan); border-color: var(--neon-cyan); text-shadow: 0 0 8px var(--neon-cyan); }

.hud-bottom {
  position: absolute;
  bottom: env(safe-area-inset-bottom, 12px);
  left: 0;
  right: 0;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 12px 20px;
}

.hud-tach {
  position: relative;
  width: 200px;
  height: 100px;
}
.tach-svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 0 6px var(--neon-magenta));
}
.hud-gear {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -20%);
  font-size: 36px;
  font-weight: 900;
  color: var(--neon-yellow);
  text-shadow: 0 0 12px var(--neon-orange);
}

.hud-speed {
  text-align: center;
}
.speed-num {
  font-family: 'VT323', monospace;
  font-size: clamp(64px, 12vw, 110px);
  line-height: 1;
  color: var(--neon-cyan);
  text-shadow:
    0 0 12px var(--neon-cyan),
    0 0 24px rgba(0, 240, 255, 0.5);
  font-weight: bold;
  letter-spacing: 0.05em;
}
.speed-unit {
  font-size: 14px;
  color: var(--text-dim);
  letter-spacing: 0.3em;
  margin-top: -4px;
}

.hud-minimap {
  width: clamp(120px, 18vw, 200px);
  height: clamp(120px, 18vw, 200px);
  border: 2px solid var(--neon-cyan);
  background: rgba(10, 0, 26, 0.6);
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.4);
}

@media (max-width: 700px) {
  .hud-tach { width: 130px; height: 65px; }
  .hud-gear { font-size: 24px; }
}

/* === Mobile controls === */

.mobile-controls {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 6;
  display: flex;
  justify-content: space-between;
  padding: 0;
}
.mobile-controls.hidden { display: none; }

.touch-zone {
  pointer-events: auto;
  width: 50%;
  height: 100%;
  position: relative;
  touch-action: none;
}
.touch-left {
  display: grid;
  place-items: end center;
  padding-bottom: 24px;
}

.steer-indicator {
  width: clamp(120px, 22vw, 180px);
  height: clamp(120px, 22vw, 180px);
  border: 4px solid var(--neon-cyan);
  border-radius: 50%;
  background: rgba(0, 240, 255, 0.06);
  box-shadow: 0 0 16px rgba(0, 240, 255, 0.4), inset 0 0 16px rgba(0, 240, 255, 0.2);
  position: relative;
  transition: transform 0.05s linear;
}
.steer-indicator::before {
  content: '';
  position: absolute;
  top: 8%;
  left: 50%;
  width: 8px;
  height: 24%;
  background: var(--neon-yellow);
  transform: translateX(-50%);
  box-shadow: 0 0 8px var(--neon-yellow);
}

.touch-label {
  position: absolute;
  bottom: -22px;
  left: 50%;
  transform: translateX(-50%);
  font-family: 'Orbitron', sans-serif;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--text-dim);
}

.touch-right {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-end;
  padding: 0 24px 24px 0;
  gap: 14px;
}
.touch-pedal {
  pointer-events: auto;
  width: clamp(90px, 16vw, 130px);
  height: clamp(80px, 14vw, 110px);
  display: grid;
  place-items: center;
  border-radius: 12px;
  font-size: 36px;
  font-weight: 900;
  position: relative;
  user-select: none;
  -webkit-user-select: none;
}
.pedal-throttle {
  background: rgba(0, 240, 100, 0.18);
  border: 3px solid #00ff80;
  color: #00ff80;
  box-shadow: 0 0 16px rgba(0, 255, 128, 0.5);
}
.pedal-brake {
  background: rgba(255, 50, 50, 0.18);
  border: 3px solid #ff3050;
  color: #ff3050;
  box-shadow: 0 0 16px rgba(255, 50, 80, 0.5);
}
.touch-pedal.pressed {
  filter: brightness(1.6);
  transform: scale(0.96);
}

/* === Toast === */
.toast-host {
  position: fixed;
  top: 80px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  background: rgba(10, 0, 26, 0.92);
  border: 2px solid var(--neon-cyan);
  color: var(--text);
  font-family: 'Orbitron', sans-serif;
  font-size: 14px;
  letter-spacing: 0.1em;
  padding: 10px 18px;
  box-shadow: 0 0 16px rgba(0, 240, 255, 0.4);
  animation: toastIn 0.25s ease-out, toastOut 0.4s ease-in 2.6s forwards;
}
@keyframes toastIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }
@keyframes toastOut { to { opacity: 0; transform: translateY(-8px); } }