/* ROUTE 420 — dirty asphalt, nicotine cream, faded red, olive, chrome. */

:root {
  --asphalt: #2c2a25;
  --asphalt-dark: #201e1a;
  --asphalt-light: #3a372f;
  --lane-line: #cbbf9c;
  --cream: #e9dfc4;
  --cream-dim: #c9bd9a;
  --black: #17150f;
  --red: #b8402d;
  --red-dark: #7c2a1e;
  --olive: #6d7a3f;
  --olive-bright: #95a852;
  --burnt-orange: #c9702c;
  --chrome: #cfd3d6;
  --chrome-dark: #8e928f;
  --blaze-green: #7fae3b;
  --blaze-green-bright: #b6e35f;
  --flame1: #ff8a2b;

  --font-display: 'Permanent Marker', cursive;
  --font-heading: 'Archivo Black', 'Arial Black', sans-serif;
  --font-mono: ui-monospace, 'SF Mono', 'Space Mono', 'Courier New', monospace;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --safe-t: env(safe-area-inset-top, 0px);
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-l: env(safe-area-inset-left, 0px);
  --safe-r: env(safe-area-inset-right, 0px);

  box-sizing: border-box;
}

:root:not([data-theme="light"]) { color-scheme: dark; }
:root[data-theme="dark"] { color-scheme: dark; }

* { box-sizing: inherit; }

html, body {
  height: 100%;
  margin: 0;
  background: var(--black);
  overscroll-behavior: none;
}

html { scroll-padding-top: var(--safe-t); }

body {
  font-family: var(--font-body);
  color: var(--cream);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(60,55,45,0.5), transparent 60%),
    var(--black);
}

#app {
  height: 100%;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: max(10px, var(--safe-t)) max(10px, var(--safe-r)) max(10px, var(--safe-b)) max(10px, var(--safe-l));
  overflow: hidden;
}

#game-frame {
  position: relative;
  display: inline-block;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 0 0 3px var(--asphalt-light), 0 0 0 5px var(--black), 0 18px 50px rgba(0,0,0,0.6);
  background: var(--asphalt-dark);
}

canvas#game-canvas {
  display: block;
  touch-action: none;
}

#ui-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  font-family: var(--font-heading);
  letter-spacing: 0.01em;
}

/* ---------------- HUD ---------------- */
.hud { position: absolute; inset: 0; display: none; pointer-events: none; }
.hud-cluster {
  position: absolute; display: flex; flex-direction: column; gap: 4px;
  top: calc(6px + var(--safe-t)); left: calc(6px + var(--safe-l)); right: calc(6px + var(--safe-r));
  padding: 5px 8px; border-radius: 8px;
  background: rgba(23,21,15,0.8); border: 1px solid rgba(203,191,156,0.3);
}
.hud-row { display: flex; align-items: flex-end; gap: 10px; }
.hud-row-main { min-height: 32px; }
.hud-stat { display: flex; flex-direction: column; gap: 2px; line-height: 1; }
.hud-score { flex: 1.5; }
.hud-hi, .hud-time { flex: 1; }
.hud-label { font-size: 8px; letter-spacing: 0.12em; color: var(--cream-dim); line-height: 1; white-space: nowrap; }
.hud-value { font-family: var(--font-mono); font-weight: 700; font-size: 20px; line-height: 1; color: var(--cream); font-variant-numeric: tabular-nums; white-space: nowrap; }
.hud-value.sm { font-size: 13px; }
.hud-hi .hud-value { color: var(--cream-dim); }
.hud-hi .hud-value.beat { color: var(--blaze-green-bright); }
.hud-btns { display: flex; gap: 6px; align-self: center; padding-left: 8px; border-left: 1px solid rgba(203,191,156,0.18); }
.hud-btn {
  position: relative; pointer-events: auto; touch-action: manipulation; cursor: pointer;
  width: 32px; height: 32px; padding: 0; display: flex; align-items: center; justify-content: center;
  background: transparent; color: var(--cream-dim);
  border: 1px solid rgba(203,191,156,0.3); border-radius: 6px;
}
.hud-btn::before { content: ''; position: absolute; inset: -7px -3px; } /* ~44px tall effective tap area */
.hud-btn svg { width: 14px; height: 14px; fill: currentColor; }
.hud-btn:active { background: var(--red-dark); color: var(--cream); }
.hud-btn:focus-visible, .btn:focus-visible, .tc-btn:focus-visible { outline: 2px solid var(--blaze-green-bright); outline-offset: 2px; }
.hud-row-sys { align-items: center; gap: 8px; padding-top: 4px; border-top: 1px solid rgba(203,191,156,0.14); }
.hud-sys { display: flex; align-items: center; gap: 5px; min-width: 0; }
.hud-heat, .hud-blaze { flex: 1; }
.heat-value { font-family: var(--font-mono); font-weight: 700; font-size: 12px; min-width: 18px; color: var(--cream); line-height: 1; }
.heat-value.hot { color: var(--flame1); }
.hud-label.ready { color: var(--blaze-green-bright); animation: blazePulse 0.7s ease-in-out infinite; }
.meter { position: relative; flex: 1; height: 8px; border-radius: 3px; overflow: hidden; background: rgba(0,0,0,0.45); border: 1px solid rgba(0,0,0,0.6); }
.meter::after { content: ''; position: absolute; inset: 0; background: repeating-linear-gradient(90deg, transparent 0 calc(12.5% - 2px), rgba(23,21,15,0.95) calc(12.5% - 2px) 12.5%); }
.meter-fill { height: 100%; width: 0; transition: width 0.15s ease; }
.heat-fill { background: linear-gradient(90deg, var(--burnt-orange), var(--red)); }
.blaze-fill { background: linear-gradient(90deg, var(--blaze-green), var(--blaze-green-bright)); }
.blaze-fill.ready { animation: blazePulse 0.7s ease-in-out infinite; }
@keyframes blazePulse { 0%,100% { filter: brightness(1); } 50% { filter: brightness(1.6); } }
.hud-next420 { flex: none; padding-left: 8px; border-left: 1px solid rgba(203,191,156,0.18); gap: 6px; }
.hud-next420.t20 .hud-label, .hud-next420.t20 .hud-value { color: var(--burnt-orange); }
.hud-next420.t10 { animation: blazePulse 0.9s ease-in-out infinite; }
.hud-next420.t10 .hud-label, .hud-next420.t10 .hud-value, .hud-next420.t4 .hud-label, .hud-next420.t4 .hud-value { color: var(--flame1); }
.hud-next420.t4 .hud-value { color: var(--red); }
.hud-next420.tick { animation: tickPop 0.3s ease-out; }
@keyframes tickPop { 0% { transform: scale(1.25); } 100% { transform: scale(1); } }
.hud.blaze-active { filter: saturate(1.5) hue-rotate(6deg) contrast(1.08); }

.popup-layer { position: absolute; inset: 0; overflow: hidden; }
.popup {
  position: absolute;
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--cream);
  text-shadow: 0 2px 0 rgba(0,0,0,0.6);
  opacity: 0;
  transform: translate(-50%, 0);
  transition: transform 0.85s ease-out, opacity 0.85s ease-out;
  white-space: nowrap;
}
.popup.tight { color: var(--flame1); font-size: 17px; }
.popup.rise { opacity: 1; transform: translate(-50%, -34px); }

.event-banner {
  position: absolute; top: 40%; left: 50%;
  transform: translate(-50%, -50%) scale(0.85);
  font-family: var(--font-display);
  color: var(--blaze-green-bright);
  text-align: center;
  text-shadow: 0 3px 0 rgba(0,0,0,0.7);
  font-size: 22px;
  opacity: 0;
  transition: opacity 0.2s ease, transform 0.2s ease;
  pointer-events: none;
  max-width: 80%;
}
.event-banner.show { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.event-banner.big { font-size: 54px; color: var(--cream); text-shadow: 0 3px 0 rgba(0,0,0,0.7), 0 0 26px rgba(120,220,110,0.6); }
.event-banner.flicker { animation: flicker420 0.6s steps(1, end) 1; }
@keyframes flicker420 {
  0% { opacity: 0; } 8% { opacity: 1; } 18% { opacity: 0.15; }
  30% { opacity: 1; } 42% { opacity: 0.2; } 56% { opacity: 1; } 100% { opacity: 1; }
}
.hud.slowdown-ease .meter-fill { transition-duration: 0.45s; }
.hud.slowdown-ease .popup { transition-duration: 1.1s; }
.hud.slowdown-ease .hud-chip, .hud.slowdown-ease .meter-row { transition: background-color 0.4s ease; }

.stage-toast {
  position: absolute; top: calc(76px + var(--safe-t)); left: 8px; right: 8px;
  text-align: center;
  font-family: var(--font-heading);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--burnt-orange);
  text-shadow: 0 1px 3px rgba(0,0,0,0.9);
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  pointer-events: none;
}
.stage-toast.show { opacity: 1; transform: translateY(0); }

/* ---------------- Screens ---------------- */
.screen {
  position: absolute; inset: 0;
  display: none;
  align-items: center; justify-content: center;
  background: radial-gradient(ellipse at 50% 30%, rgba(58,55,47,0.9), rgba(23,21,15,0.97));
  pointer-events: none;
  padding: 16px;
}
.screen.show { display: flex; pointer-events: auto; }

.menu-inner, .results-inner {
  display: flex; flex-direction: column; align-items: center;
  gap: 10px;
  text-align: center;
  max-width: 320px;
  width: 100%;
}

.game-title {
  font-family: var(--font-display);
  font-size: clamp(30px, 9vw, 44px);
  color: var(--red);
  text-shadow: 3px 3px 0 var(--black), -1px -1px 0 var(--chrome-dark);
  margin: 0 0 0;
  line-height: 1.1;
  transform: rotate(-2deg);
}
.game-title span { color: var(--blaze-green-bright); display: block; font-size: 1.15em; }
.tagline { font-family: var(--font-display); color: var(--cream-dim); margin: 0 0 10px; font-size: 15px; }

.btn {
  pointer-events: auto;
  font-family: var(--font-heading);
  letter-spacing: 0.04em;
  font-size: 16px;
  padding: 12px 26px;
  border-radius: 5px;
  border: 2px solid var(--black);
  cursor: pointer;
  width: 100%;
  max-width: 240px;
}
/* primary (PLAY / RETRY): flat at rest; hover = slight brightness; press = 1px compression only */
.btn-primary { background: var(--red); border-color: var(--red); color: var(--cream); box-shadow: none; transition: filter 0.12s ease; }
.btn-primary:active { transform: translateY(1px); filter: brightness(0.94); }
@media (hover: hover) { .btn-primary:hover { filter: brightness(1.08); } .btn-primary:active { filter: brightness(0.94); } }
.btn-ghost { background: transparent; color: var(--cream-dim); border-color: rgba(203,191,156,0.4); }
.btn-small { font-size: 12px; padding: 8px 16px; margin-top: 6px; }

.best-score { font-family: var(--font-mono); font-size: 13px; color: var(--cream-dim); margin-top: 4px; }

.how-to-drive {
  display: none;
  flex-direction: column;
  gap: 4px;
  margin-top: 10px;
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(203,191,156,0.25);
  border-radius: 6px;
  padding: 14px 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}
.how-to-drive.show { display: flex; }
.how-to-drive p { margin: 2px 0; }

.run-over {
  font-family: var(--font-display);
  color: var(--red);
  font-size: clamp(26px, 8vw, 36px);
  margin: 0;
  transform: rotate(-1.5deg);
}
.score-hero { display: flex; flex-direction: column; align-items: center; margin: 2px 0 4px; }
.score-hero-label { font-family: var(--font-heading); font-size: 12px; letter-spacing: 0.14em; color: var(--cream-dim); }
.score-hero-value { font-family: var(--font-mono); font-weight: 700; font-size: clamp(40px, 14vw, 64px); color: var(--blaze-green-bright); line-height: 1.05; text-shadow: 0 3px 0 rgba(0,0,0,0.5); }
.run-summary-line {
  font-family: var(--font-heading);
  color: var(--blaze-green-bright);
  font-size: 13px;
  margin: 0 0 6px;
}
.stat-grid { display: flex; flex-direction: column; gap: 6px; width: 100%; margin-bottom: 6px; }
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.stat-row.primary .stat-value { font-size: 16px; }
.stat-row.secondary .stat { background: transparent; border-color: rgba(203,191,156,0.12); padding: 4px 8px; }
.stat-row.secondary .stat-label { font-size: 8px; color: rgba(201,189,154,0.7); }
.stat-row.secondary .stat-value { font-size: 12px; color: var(--cream-dim); }
.new-record { display: none; margin-top: 3px; font-family: var(--font-heading); font-size: 11px; letter-spacing: 0.14em; color: var(--blaze-green-bright); text-shadow: 0 1px 0 rgba(0,0,0,0.6); }
.new-record.show { display: block; animation: recordIn 0.5s ease-out; }
@keyframes recordIn { 0% { opacity: 0; transform: translateY(-4px); } 100% { opacity: 1; transform: none; } }
.stat {
  display: flex; flex-direction: column;
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(203,191,156,0.2);
  border-radius: 5px;
  padding: 6px 8px;
  text-align: left;
}
.stat-label { font-size: 9px; letter-spacing: 0.08em; color: var(--cream-dim); }
.stat-value { font-family: var(--font-mono); font-size: 16px; color: var(--cream); }

/* ---------------- Touch controls ---------------- */
/* On-screen LEFT / BLAZE / RIGHT: always shown while playing (visibility is game-state only, never device-based). */
.touch-controls {
  display: none; position: absolute; left: 0; right: 0; bottom: 0; gap: 8px;
  padding: 8px calc(10px + var(--safe-r)) calc(8px + var(--safe-b)) calc(10px + var(--safe-l));
  pointer-events: none;
  /* never larger than 1x: counter the UI zoom on big canvases so desktop buttons stay compact */
  zoom: min(1, calc(1 / var(--ui-zoom, 1)));
}
.touch-controls.active { display: flex; }
.tc-btn {
  pointer-events: auto; touch-action: none; cursor: pointer;
  -webkit-user-select: none; user-select: none; -webkit-touch-callout: none;
  flex: 1.15; height: 60px; min-height: calc(46px / var(--ui-zoom, 1)); padding: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  font-family: var(--font-heading); font-size: 12px; letter-spacing: 0.1em; color: var(--cream);
  background: linear-gradient(180deg, rgba(58,55,47,0.92), rgba(23,21,15,0.92));
  border: 2px solid var(--cream-dim); border-radius: 9px;
  box-shadow: 0 3px 0 var(--black), inset 0 0 0 1px rgba(0,0,0,0.35);
}
.tc-btn svg { width: 22px; height: 22px; fill: currentColor; }
.tc-btn.pressed { transform: translateY(2px); box-shadow: 0 1px 0 var(--black), inset 0 0 0 1px rgba(0,0,0,0.35); background: var(--red-dark); }
/* BLAZE states: empty (dark, unavailable) -> charging (green fills up, still unavailable) -> ready (lime, pressable) */
.tc-blaze { --p: 0; flex: 1; font-size: 14px; }
.tc-blaze[data-state='empty'], .tc-blaze:not([data-state]) {
  color: rgba(203,191,156,0.35); border-color: rgba(203,191,156,0.18); background: rgba(23,21,15,0.92);
}
.tc-blaze[data-state='charging'] {
  color: rgba(182,227,95,0.8); border-color: rgba(127,174,59,0.6);
  background: linear-gradient(0deg, rgba(127,174,59,0.55) calc(var(--p) * 100%), rgba(23,21,15,0.92) calc(var(--p) * 100%));
}
.tc-blaze.ready {
  color: var(--black); border-color: var(--blaze-green-bright); background: var(--blaze-green);
  box-shadow: 0 3px 0 var(--black), 0 0 12px rgba(182,227,95,0.4); animation: blazePulse 0.9s ease-in-out infinite;
}

/* ---------------- Debug panel ---------------- */
.debug-panel {
  position: absolute;
  top: calc(86px + var(--safe-t)); right: 0;
  max-height: calc(100% - 220px);
  overflow-y: auto;
  pointer-events: auto;
  background: rgba(10,10,8,0.88);
  border-left: 1px solid rgba(203,191,156,0.25);
  border-bottom: 1px solid rgba(203,191,156,0.25);
  padding: 8px;
  width: 150px;
  font-family: var(--font-mono);
  font-size: 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.debug-title { color: var(--flame1); font-weight: bold; margin-bottom: 2px; }
.debug-sub { color: var(--cream-dim); margin-top: 4px; border-top: 1px dashed rgba(203,191,156,0.2); padding-top: 4px; }
.debug-panel button {
  font-family: var(--font-mono);
  font-size: 10px;
  background: rgba(203,191,156,0.1);
  color: var(--cream);
  border: 1px solid rgba(203,191,156,0.3);
  border-radius: 3px;
  padding: 4px;
  cursor: pointer;
  text-align: left;
}
.debug-panel button:hover { background: rgba(203,191,156,0.22); }
.debug-toggle { display: flex; gap: 4px; align-items: center; margin-top: 4px; }
.debug-readout { margin-top: 4px; color: var(--olive-bright); word-break: break-word; }

/* ---------------- Layout: full-bleed on touch/narrow screens, scroll lock ---------------- */
html, body { overflow: hidden; }
body { position: fixed; inset: 0; width: 100%; }
#app { height: 100dvh; }
#game-frame { touch-action: none; }
.pause-screen { background: rgba(23,21,15,0.72); }
@media (max-width: 760px), (any-pointer: coarse) {
  #app { padding: 0; }
  #game-frame { border-radius: 0; box-shadow: none; }
}
@media (prefers-reduced-motion: reduce) {
  .blaze-fill.ready, .tc-blaze.ready, .hud-label.ready, .hud-next420.t10 { animation: none; }
  .popup, .event-banner, .stage-toast { transition-duration: 0.05s; }
}