:root {
  --bg: #07060d;
  --ink: #f4f0ff;
  --muted: #9aa0c0;
  --pink: #ff2d8a;
  --cyan: #2de1ff;
  --gold: #ffd166;
  --orange: #ff6b2d;
  --purple: #7b2cbf;
  --green: #3dff9a;
  --red: #ff4060;
  --panel: rgba(8, 8, 18, 0.78);
  --line: rgba(45, 225, 255, 0.28);
  color-scheme: dark;
}

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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--ink);
  font-family: Orbitron, "Segoe UI", Helvetica, Arial, sans-serif;
}

#app {
  position: relative;
  width: 100%;
  height: 100%;
}

#view {
  display: block;
  width: 100%;
  height: 100%;
  background: #05040c;
}

#hud {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 4;
}

#hud.hidden, .hidden { display: none !important; }

.hud-card {
  position: absolute;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 0.55rem 0.8rem;
  min-width: 7.4rem;
  backdrop-filter: blur(6px);
}

.hud-card.tl { top: 16px; left: 16px; }
.hud-card.tr { top: 16px; right: 16px; text-align: right; }
.hud-delta-label { margin-top: 0.45rem; }

.hud-label {
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.15rem;
}

.hud-value {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.hud-sub {
  margin-top: 0.35rem;
  font-size: 0.72rem;
  color: var(--muted);
}

#hudDelta.ahead { color: var(--green); text-shadow: 0 0 12px rgba(61, 255, 154, 0.55); }
#hudDelta.behind { color: var(--red); text-shadow: 0 0 12px rgba(255, 64, 96, 0.55); }
#hudDelta.even { color: var(--gold); }

#hudSpeed { color: var(--cyan); font-size: 1.45rem; }
#hudGold { color: var(--gold); }

#countdown {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(4rem, 14vw, 8rem);
  font-weight: 900;
  letter-spacing: 0.08em;
  color: var(--gold);
  text-shadow: 0 0 40px rgba(255, 209, 102, 0.7), 0 0 80px rgba(255, 45, 138, 0.45);
  z-index: 6;
  pointer-events: none;
}

#overlay {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.2rem;
  background: linear-gradient(180deg, rgba(5, 4, 14, 0.18) 0%, rgba(5, 4, 14, 0.42) 100%);
}

#overlay.play {
  background: transparent;
  pointer-events: none;
}

.panel {
  width: min(560px, 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.title {
  font-size: clamp(2.1rem, 6vw, 3.6rem);
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  background: linear-gradient(180deg, #fff 0%, #ff2d8a 72%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 18px rgba(255, 45, 138, 0.45));
}

.kicker {
  margin-top: 0.35rem;
  color: var(--cyan);
  letter-spacing: 0.28em;
  font-size: 0.72rem;
  text-transform: uppercase;
}

.goal {
  margin: 1.15rem 0 1.25rem;
  color: var(--gold);
  font-size: 1.02rem;
  letter-spacing: 0.03em;
  text-shadow: 0 0 12px rgba(255, 209, 102, 0.35);
}

.ladder {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.track-card {
  display: grid;
  grid-template-columns: 2.1rem 4.4rem 1fr auto;
  gap: 0.65rem;
  align-items: center;
  text-align: left;
  padding: 0.75rem 0.9rem;
  background: rgba(8, 8, 18, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: inherit;
  font: inherit;
  cursor: pointer;
}

.track-card[data-id="sunset"] { --accent: #ff7a3c; }
.track-card[data-id="canyon"] { --accent: #2de1ff; }
.track-card[data-id="city"] { --accent: #ff2d8a; }

.track-card.selected:not(.locked) {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 0 22px color-mix(in srgb, var(--accent) 35%, transparent);
}

.track-card:disabled {
  opacity: 1;
  color: inherit;
}

.track-card.locked {
  cursor: not-allowed;
  filter: grayscale(0.35);
  border-style: dashed;
  border-color: rgba(255, 64, 96, 0.35);
  background: rgba(6, 6, 12, 0.55);
}

.track-card.locked .track-name,
.track-card.locked .track-num { color: var(--muted); }

.track-thumb {
  display: block;
  width: 4.4rem;
  height: 2.8rem;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.track-card:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.track-num {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
}

.track-name { font-size: 1rem; font-weight: 700; }
.track-meta { margin-top: 0.2rem; font-size: 0.72rem; color: var(--muted); letter-spacing: 0.03em; }
.track-meta .gold { color: var(--gold); }
.track-meta .best { color: var(--cyan); margin-left: 0.7rem; }
.track-lock {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  font-weight: 700;
  text-align: right;
  min-width: 4.6rem;
}
.track-card:not(.locked) .track-lock { color: var(--accent); }
.track-card.locked .track-lock { color: var(--red); }

.controls {
  margin-top: 1.2rem;
  width: 100%;
  padding: 0.85rem 0.7rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(8, 8, 18, 0.5);
  color: var(--muted);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  line-height: 1.7;
}

kbd {
  display: inline-block;
  padding: 0.08rem 0.35rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.06);
  color: var(--ink);
  font-family: inherit;
  font-size: 0.64rem;
}

.finish-title, .pause-title, .champ-title {
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.finish-title.win { color: var(--gold); text-shadow: 0 0 22px rgba(255, 209, 102, 0.5); }
.finish-title.lose { color: var(--pink); text-shadow: 0 0 22px rgba(255, 45, 138, 0.5); }
.champ-title {
  background: linear-gradient(180deg, var(--gold), var(--pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.subtitle {
  margin: 0.4rem 0 1rem;
  color: var(--cyan);
  letter-spacing: 0.18em;
  font-size: 0.8rem;
  text-transform: uppercase;
}

.times, .career {
  width: 100%;
  margin: 0.4rem 0 1rem;
  padding: 0.9rem 1rem;
  background: rgba(8, 8, 18, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.row {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.28rem 0;
  font-size: 0.92rem;
}

.row span:last-child { font-weight: 700; }
.row .gold { color: var(--gold); }
.row .player { color: var(--cyan); }

.margin { font-size: 1.25rem; margin-bottom: 0.7rem; }
.margin.plus { color: var(--red); }
.margin.minus { color: var(--green); }

.message {
  color: var(--ink);
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.mini-ladder {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.mini-track {
  display: flex;
  justify-content: space-between;
  padding: 0.45rem 0.7rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(8, 8, 18, 0.55);
  font-size: 0.78rem;
}

.mini-track.open { border-color: var(--cyan); }
.mini-track.locked { color: var(--muted); border-style: dashed; }
.mini-track.fresh {
  border-color: var(--gold);
  box-shadow: 0 0 16px rgba(255, 209, 102, 0.25);
}

.actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.6rem; }

.btn {
  appearance: none;
  border: 2px solid var(--cyan);
  background: transparent;
  color: var(--cyan);
  font: 700 0.82rem Orbitron, sans-serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.7rem 1.3rem;
  cursor: pointer;
}

.btn:hover, .btn:focus-visible {
  background: var(--cyan);
  color: #07060d;
  outline: none;
}

.btn.primary {
  border-color: var(--pink);
  color: var(--pink);
}

.btn.primary:hover, .btn.primary:focus-visible {
  background: var(--pink);
  color: #fff;
}

#touch {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 18px;
  display: flex;
  justify-content: space-between;
  padding: 0 18px;
  z-index: 7;
  pointer-events: none;
}

.touch-col, .touch-mid {
  display: flex;
  gap: 10px;
  pointer-events: none;
}

.touch-col { flex-direction: column; }

.pad {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  border: 2px solid var(--cyan);
  background: rgba(45, 225, 255, 0.18);
  color: #fff;
  font-size: 1.1rem;
  pointer-events: auto;
  touch-action: manipulation;
  user-select: none;
}

.pad:active { background: rgba(45, 225, 255, 0.45); }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #140c18;
    --panel: rgba(20, 14, 28, 0.8);
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}

@media (max-width: 720px) {
  .hud-card { min-width: 5.5rem; padding: 0.4rem 0.55rem; }
  .hud-value { font-size: 0.95rem; }
  .track-card { grid-template-columns: 1.6rem 3.4rem 1fr auto; gap: 0.4rem; }
  .track-thumb { width: 3.4rem; height: 2.2rem; }
}