:root {
  --ink: #eaf2ff;
  --dim: #9fb0c8;
  --accent: #25d3a8;
  --accent-2: #ffe45e;
  --panel: rgba(12, 18, 30, 0.86);
  --border: rgba(255, 255, 255, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: #0b0f18;
  color: var(--ink);
  font-family: "Rajdhani", system-ui, sans-serif;
  user-select: none;
}

body.playing {
  cursor: none;
}

#game {
  display: block;
  position: fixed;
  inset: 0;
}

.hidden {
  display: none !important;
}

/* ------------------------------------------------------------------ HUD */
#hud {
  position: fixed;
  inset: 0;
  pointer-events: none;
  padding: 18px 22px;
}

.hud-row {
  position: absolute;
  top: 18px;
  display: flex;
  gap: 10px;
}
.hud-row {
  left: 22px;
}
.hud-row.right {
  left: auto;
  right: 22px;
}

.stat {
  background: rgba(8, 13, 22, 0.6);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 6px 12px;
  min-width: 92px;
  backdrop-filter: blur(6px);
}
.stat .k {
  display: block;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--dim);
}
.stat .v {
  display: block;
  font-family: "Orbitron", sans-serif;
  font-size: 18px;
  font-weight: 700;
}

.combo {
  position: absolute;
  top: 46%;
  left: 50%;
  transform: translateX(-50%);
  font-family: "Orbitron", sans-serif;
  font-size: 54px;
  font-weight: 900;
  color: var(--accent-2);
  text-shadow: 0 0 22px rgba(255, 228, 94, 0.6);
  animation: pulse 0.5s ease-out;
}

@keyframes pulse {
  from {
    transform: translateX(-50%) scale(1.5);
    opacity: 0.4;
  }
}

.banner {
  position: absolute;
  top: 96px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(8, 13, 22, 0.78);
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 8px 22px;
  border-radius: 999px;
  letter-spacing: 0.18em;
  font-weight: 700;
  font-size: 14px;
  white-space: nowrap;
}
.banner.pop {
  animation: bannerIn 0.35s ease-out;
}
@keyframes bannerIn {
  from {
    transform: translateX(-50%) translateY(-14px);
    opacity: 0;
  }
}

.hint {
  position: absolute;
  bottom: 16px;
  right: 22px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: rgba(255, 255, 255, 0.45);
}

/* -------------------------------------------------------------- Screens */
.screen {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 50% 40%, rgba(10, 20, 35, 0.72), rgba(4, 7, 12, 0.92));
  backdrop-filter: blur(3px);
  z-index: 5;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 24px 0;
  align-content: safe center;
  scrollbar-color: var(--accent) rgba(255, 255, 255, 0.08);
}
.screen::-webkit-scrollbar {
  width: 10px;
}
.screen::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.24);
  border-radius: 8px;
}
.screen.transparent {
  background: none;
  backdrop-filter: none;
  pointer-events: none;
  overflow: hidden;
}

.panel {
  width: min(440px, 90vw);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 30px 28px;
  text-align: center;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55);
}


.logo {
  font-family: "Orbitron", sans-serif;
  font-size: 44px;
  font-weight: 900;
  margin: 0;
  letter-spacing: 0.04em;
  line-height: 1;
}
.logo span {
  display: block;
  color: var(--accent);
  text-shadow: 0 0 28px rgba(37, 211, 168, 0.45);
}

.tagline {
  color: var(--dim);
  letter-spacing: 0.22em;
  font-size: 13px;
  margin: 14px 0 6px;
  text-transform: uppercase;
}

.best-line {
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--dim);
  margin-bottom: 22px;
}
.best-line b {
  font-family: "Orbitron", sans-serif;
  color: var(--accent-2);
}

h2 {
  font-family: "Orbitron", sans-serif;
  letter-spacing: 0.12em;
  margin: 0 0 20px;
  font-size: 24px;
}
h2.crashed {
  color: #ff5a5a;
}

.buttons {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.btn {
  font-family: "Orbitron", sans-serif;
  font-size: 14px;
  letter-spacing: 0.14em;
  padding: 13px 18px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.06);
  color: var(--ink);
  cursor: pointer;
  transition:
    transform 0.12s ease,
    background 0.16s ease;
  width: 100%;
}
.btn:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-1px);
}
.btn.primary {
  background: var(--accent);
  color: #04150f;
  border-color: transparent;
  font-weight: 900;
}
.btn.primary:hover {
  background: #35eec0;
}

.list {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
  display: grid;
  gap: 8px;
}
.list li {
  display: flex;
  justify-content: space-between;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  font-size: 15px;
}
.list li span {
  color: var(--accent);
}

.note {
  color: var(--dim);
  font-size: 14px;
  line-height: 1.5;
}

.field {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 10px;
  text-align: left;
  margin-bottom: 14px;
  font-size: 15px;
}
.field input[type="range"] {
  grid-column: 1 / -1;
  width: 100%;
  accent-color: var(--accent);
}
.field em {
  font-style: normal;
  color: var(--accent);
  font-family: "Orbitron", sans-serif;
  font-size: 12px;
}
.field select {
  background: rgba(255, 255, 255, 0.08);
  color: var(--ink);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 7px 10px;
  font-family: inherit;
}

.results {
  display: grid;
  gap: 8px;
  margin: 6px 0 4px;
}
.results div {
  display: flex;
  justify-content: space-between;
  padding: 9px 14px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
}
.results span {
  color: var(--dim);
  letter-spacing: 0.1em;
  font-size: 13px;
  text-transform: uppercase;
}
.results b {
  font-family: "Orbitron", sans-serif;
  font-size: 15px;
}

.record {
  font-family: "Orbitron", sans-serif;
  color: var(--accent-2);
  letter-spacing: 0.2em;
  margin-bottom: 14px;
  animation: pulse 0.6s ease-out infinite alternate;
}
.nitro-bar {
  position: absolute;
  bottom: 54px;
  left: 50%;
  transform: translateX(-50%);
  width: min(320px, 46vw);
  height: 10px;
  border-radius: 999px;
  background: rgba(8, 13, 22, 0.65);
  border: 1px solid rgba(58, 210, 255, 0.5);
  overflow: hidden;
}
.nitro-bar i {
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, #3ad2ff, #a6f3ff);
  box-shadow: 0 0 18px rgba(58, 210, 255, 0.8);
  transform-origin: left center;
}


/* ------------------------------------------------- ghost / mirror / warn */
.ghost-hud {
  position: absolute;
  top: 104px;
  left: 22px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: rgba(8, 13, 22, 0.6);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 6px 12px;
  backdrop-filter: blur(6px);
}
.ghost-title {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--dim);
}
.ghost-delta {
  font-family: "Orbitron", sans-serif;
  font-size: 16px;
  font-weight: 700;
}
.ghost-delta.ahead {
  color: #4be08a;
}
.ghost-delta.behind {
  color: #ff6b6b;
}

.mirror-hud {
  position: absolute;
  top: 150px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 26px;
  border-radius: 14px;
  background: rgba(24, 10, 38, 0.82);
  border: 1px solid #b98bff;
  box-shadow: 0 0 32px rgba(185, 139, 255, 0.35);
  animation: mirrorIn 0.4s ease-out;
}
.mirror-title {
  font-family: "Orbitron", sans-serif;
  font-size: 24px;
  font-weight: 900;
  letter-spacing: 0.12em;
  color: #d9c2ff;
}
.mirror-sub {
  font-size: 13px;
  letter-spacing: 0.16em;
  color: #b6a4d8;
}
@keyframes mirrorIn {
  from {
    transform: translateX(-50%) scale(0.7);
    opacity: 0;
  }
}

.mirror-tint {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(150, 90, 255, 0.22), rgba(150, 90, 255, 0.04) 22%,
      rgba(150, 90, 255, 0.04) 78%, rgba(150, 90, 255, 0.22));
  mix-blend-mode: screen;
  animation: mirrorPulse 1.6s ease-in-out infinite;
  z-index: 1;
}
@keyframes mirrorPulse {
  50% {
    opacity: 0.55;
  }
}

.rear-warn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(40, 8, 8, 0.6);
  border: 1px solid rgba(255, 90, 70, 0.7);
  animation: warnPulse 0.6s ease-in-out infinite;
}
.rear-warn.left {
  left: 14px;
}
.rear-warn.right {
  right: 14px;
}
.rear-warn .arrow {
  font-size: 26px;
  line-height: 1;
}
.rear-warn .txt {
  font-size: 11px;
  letter-spacing: 0.14em;
  font-weight: 700;
  color: #ffb3a8;
  max-width: 90px;
  text-align: center;
}
@keyframes warnPulse {
  50% {
    opacity: 0.45;
    transform: translateY(-50%) scale(0.96);
  }
}

.mode-head {
  font-family: "Orbitron", sans-serif;
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin: 14px 0 6px;
  text-align: left;
}
.mode-tag {
  font-style: normal;
  font-size: 11px;
  color: #0c1018;
  background: var(--accent);
  border-radius: 6px;
  padding: 2px 6px;
  margin-left: 6px;
  vertical-align: middle;
}

/* Dropdown legibility — native option lists must stay dark-on-light-text */
.field select,
.field select option,
.field select optgroup {
  background-color: #0c121e;
  color: var(--ink);
}
.field select option:checked,
.field select option:hover {
  background-color: #16324a;
  color: #ffffff;
}

/* Rain gameplay indicator */
#weather-tag.rain { color: #7fd0ff; }
.rain-note {
  position: absolute;
  top: 96px;
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 14px;
  border-radius: 999px;
  font: 700 14px/1 'Rajdhani', system-ui, sans-serif;
  letter-spacing: 0.08em;
  color: #cfeaff;
  background: rgba(16, 34, 52, 0.6);
  border: 1px solid rgba(127, 208, 255, 0.35);
  backdrop-filter: blur(4px);
  animation: rain-pulse 2.4s ease-in-out infinite;
  pointer-events: none;
}
@keyframes rain-pulse {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}


/* ---------------------------------------------------------- mobile mode */
body.mobile-play,
body.playing {
  touch-action: none;
  overscroll-behavior: none;
}

.mobile-pad {
  position: fixed;
  inset: 0;
  z-index: 40;
  pointer-events: none;
  font-family: "Rajdhani", system-ui, sans-serif;
}
.mobile-pad.hidden { display: none; }

.touch-steer {
  position: absolute;
  inset: 0;
  pointer-events: auto;
  touch-action: none;
}

.mobile-pad .pad-left,
.mobile-pad .pad-right {
  position: absolute;
  bottom: max(22px, env(safe-area-inset-bottom));
  display: flex;
  align-items: flex-end;
  gap: 12px;
  pointer-events: none;
}
.mobile-pad .pad-left { left: 20px; }
.mobile-pad .pad-right { right: 20px; }

.pad-btn {
  pointer-events: auto;
  touch-action: none;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  width: 92px;
  height: 92px;
  font: 700 18px "Rajdhani", system-ui, sans-serif;
  letter-spacing: 0.06em;
  color: #eaf2ff;
  background: rgba(12, 18, 28, 0.55);
  backdrop-filter: blur(6px);
  transition: transform 0.08s ease, background 0.12s ease;
}
.pad-btn.accel { background: rgba(37, 211, 168, 0.28); border-color: rgba(37, 211, 168, 0.6); }
.pad-btn.brake { background: rgba(227, 77, 77, 0.28); border-color: rgba(227, 77, 77, 0.6); }
.pad-btn.nitro { width: 68px; height: 68px; font-size: 14px; background: rgba(90, 140, 255, 0.26); }
.pad-btn.down { transform: scale(0.93); background: rgba(255, 255, 255, 0.3); }

.pad-cal {
  pointer-events: auto;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: max(18px, env(safe-area-inset-bottom));
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(12, 18, 28, 0.5);
  color: rgba(234, 242, 255, 0.85);
  font: 600 12px "Rajdhani", system-ui, sans-serif;
  letter-spacing: 0.08em;
}