:root {
  --bg: #e6dfcf;
  --panel: rgba(252, 248, 238, .82);
  --panel-strong: rgba(252, 248, 238, .94);
  --line: rgba(44, 54, 43, .18);
  --text: #263126;
  --muted: #68715f;
  --green: #4f7b54;
  --green-dark: #365b3b;
  --clay: #9d473c;
  --sand: #c4a15f;
  --cream: #f4eedf;
  --dark: #20261f;
  font-family: Arial, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body, #app {
  margin: 0; width: 100%; height: 100%; overflow: hidden;
  background: var(--bg); color: var(--text);
  user-select: none; -webkit-user-select: none; -webkit-touch-callout: none;
}
button { font: inherit; color: inherit; border: 0; cursor: pointer; touch-action: none; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; }
#gameCanvas { position: fixed; inset: 0; width: 100%; height: 100%; display: block; outline: none; touch-action: none; }
body.pseudo-fullscreen { position: fixed; inset: 0; width: 100%; height: 100%; overflow: hidden; }
.hidden { display: none !important; }

.overlay { position: fixed; inset: 0; display: grid; place-items: center; padding: max(18px, env(safe-area-inset-top)) max(18px, env(safe-area-inset-right)) max(18px, env(safe-area-inset-bottom)) max(18px, env(safe-area-inset-left)); z-index: 30; }
.start { background: linear-gradient(180deg, rgba(230,223,207,.08), rgba(48,61,46,.30)); }
.hero-card, .dialog-card {
  width: min(92vw, 560px);
  border: 1px solid var(--line);
  border-radius: 34px;
  background: linear-gradient(155deg, rgba(252,248,238,.94), rgba(239,232,216,.90));
  box-shadow: 0 22px 60px rgba(31,39,30,.24), inset 0 1px rgba(255,255,255,.55);
  backdrop-filter: blur(14px);
  padding: clamp(24px, 5vw, 42px);
  text-align: center;
}
.version { display: inline-flex; padding: 7px 13px; border-radius: 999px; color: #fffdf6; background: var(--green); font-weight: 900; letter-spacing: .4px; margin-bottom: 14px; }
h1 { margin: 0; font-size: clamp(42px, 9vw, 82px); line-height: .92; letter-spacing: -2px; color: var(--text); }
h1 span { color: var(--green); }
.tagline { margin: 16px auto 22px; max-width: 410px; color: var(--muted); font-size: clamp(16px, 2.6vw, 20px); line-height: 1.55; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 0 0 24px; }
.feature-grid div { border: 1px solid var(--line); border-radius: 20px; padding: 13px 8px; background: rgba(255,255,255,.34); }
.feature-grid b { display: block; color: var(--green-dark); font-size: 20px; }
.feature-grid small { color: var(--muted); }
.car-select { display: flex; align-items: center; justify-content: center; gap: 10px; margin: -6px 0 14px; color: var(--muted); font-size: 13px; font-weight: 900; }
.setup-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin: -4px 0 14px; }
.setup-group { padding: 8px; border-radius: 16px; background: rgba(255,255,255,.24); }
.setup-group > span { display: block; margin-bottom: 6px; color: var(--muted); font-size: 11px; font-weight: 900; }
.segmented { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 4px; direction: ltr; }
.segmented button { min-height: 32px; padding: 5px 7px; border-radius: 11px; background: rgba(255,255,255,.38); color: var(--text); font-size: 13px; font-weight: 900; }
.segmented button.selected { background: var(--green); color: #fffdf6; }
.car-choice { width: 34px; height: 34px; border-radius: 999px; background: var(--car); border: 3px solid rgba(255,255,255,.72); box-shadow: 0 4px 12px rgba(31,39,30,.22); }
.car-choice.selected { outline: 3px solid rgba(79,123,84,.48); outline-offset: 2px; }
.primary, .secondary { width: 100%; min-height: 56px; border-radius: 22px; font-size: 20px; font-weight: 900; transition: transform .16s ease, filter .16s ease; }
.primary { color: #fffdf6; background: var(--green); box-shadow: 0 10px 26px rgba(54,91,59,.24); }
.primary:disabled { opacity: .68; cursor: wait; }
.secondary { margin-top: 10px; color: var(--text); background: rgba(255,255,255,.34); border: 1px solid var(--line); }
.primary:active, .secondary:active, .pill:active, .control:active { transform: scale(.96); }
.controls-help { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 18px; color: var(--muted); font-size: 13px; }
.controls-help span { padding: 7px 10px; border-radius: 999px; background: rgba(255,255,255,.36); }

.pill {
  position: fixed; z-index: 45; height: 44px; min-width: 44px; padding: 0 15px; border-radius: 999px;
  color: var(--text); background: var(--panel); border: 1px solid var(--line); box-shadow: 0 8px 22px rgba(31,39,30,.18);
  backdrop-filter: blur(12px); display: grid; place-items: center; font-weight: 900;
}
.install { top: calc(14px + env(safe-area-inset-top)); left: calc(14px + env(safe-area-inset-left)); background: var(--sand); color: #2d2414; border: 0; }
.fullscreen { top: calc(14px + env(safe-area-inset-top)); right: calc(14px + env(safe-area-inset-right)); width: auto; padding: 0 13px; display: inline-flex; align-items: center; gap: 6px; }
.fullscreen .icon { font-size: 17px; line-height: 1; }
.pill.active { background: rgba(79,123,84,.9); color: #fffdf6; border-color: rgba(255,255,255,.28); }
.language { top: calc(68px + env(safe-area-inset-top)); right: calc(14px + env(safe-area-inset-right)); }
.settings { top: calc(122px + env(safe-area-inset-top)); right: calc(14px + env(safe-area-inset-right)); }
.control-toggle { top: calc(176px + env(safe-area-inset-top)); right: calc(14px + env(safe-area-inset-right)); width: auto; padding: 0 12px; font-size: 12px; white-space: nowrap; }
.pause { top: calc(230px + env(safe-area-inset-top)); right: calc(14px + env(safe-area-inset-right)); }
.sound { top: calc(338px + env(safe-area-inset-top)); right: calc(14px + env(safe-area-inset-right)); }
.volume-control {
  position: fixed; z-index: 45; top: calc(284px + env(safe-area-inset-top)); right: calc(14px + env(safe-area-inset-right));
  width: 154px; height: 44px; padding: 0 12px; border-radius: 999px;
  display: flex; align-items: center; gap: 8px; color: var(--text);
  background: var(--panel); border: 1px solid var(--line); box-shadow: 0 8px 22px rgba(31,39,30,.18);
  backdrop-filter: blur(12px); direction: rtl;
}
[dir="ltr"] .hud-top, [dir="ltr"] .boost-wrap, [dir="ltr"] .volume-control { direction: ltr; }
.volume-control span { font-size: 12px; font-weight: 900; white-space: nowrap; }
.volume-control input { width: 100%; accent-color: var(--green); cursor: pointer; touch-action: pan-x; user-select: none; -webkit-user-select: none; }

.hud { position: fixed; inset: 0; z-index: 20; pointer-events: none; }
.hud-top {
  position: absolute; top: calc(14px + env(safe-area-inset-top));
  left: calc(118px + env(safe-area-inset-left)); right: calc(140px + env(safe-area-inset-right));
  display: flex; justify-content: center; gap: 9px; direction: rtl;
}
.stat { min-width: 86px; padding: 10px 13px 8px; border-radius: 20px; border: 1px solid var(--line); color: var(--text); background: var(--panel); backdrop-filter: blur(12px); text-align: center; box-shadow: 0 8px 20px rgba(31,39,30,.16); }
.stat strong { display: block; font-size: 25px; line-height: 1; color: var(--text); }
.stat span { display: block; margin-top: 5px; color: var(--muted); font-size: 12px; }
.stat.speed strong { color: var(--green-dark); font-size: 31px; }
.stat.wide { min-width: 112px; }
.hud-bottom {
  position: absolute; top: calc(70px + env(safe-area-inset-top)); left: calc(16px + env(safe-area-inset-left));
  display: flex; flex-direction: column; align-items: flex-start; gap: 8px; direction: ltr; opacity: .84;
}
.minimap-wrap, .boost-wrap { border: 1px solid var(--line); border-radius: 22px; color: var(--text); background: rgba(252,248,238,.64); backdrop-filter: blur(12px); box-shadow: 0 10px 24px rgba(31,39,30,.18); }
.minimap-wrap { width: 96px; height: 96px; padding: 6px; }
#minimap { width: 100%; height: 100%; }
.boost-wrap { width: 132px; padding: 8px 10px; direction: rtl; }
.boost-wrap span { color: var(--muted); font-size: 12px; }
.boost-bar { height: 8px; margin: 6px 0; border-radius: 999px; background: rgba(38,49,38,.14); overflow: hidden; }
.boost-bar i { display: block; width: 0%; height: 100%; border-radius: inherit; background: var(--green); }
.boost-wrap b { font-size: 12px; color: var(--green-dark); }

.countdown {
  position: fixed; left: 50%; top: 42%; transform: translate(-50%, -50%); z-index: 28;
  min-width: 104px; padding: 10px 24px 14px; border-radius: 30px;
  color: #fffdf6; background: rgba(38,49,38,.58); border: 1px solid rgba(255,255,255,.22);
  backdrop-filter: blur(10px); text-align: center; font-size: clamp(58px, 14vw, 118px); line-height: 1; font-weight: 900;
  text-shadow: 0 5px 22px rgba(0,0,0,.25); pointer-events: none;
}
.touch { position: fixed; inset: auto 0 calc(18px + env(safe-area-inset-bottom)) 0; z-index: 35; display: flex; justify-content: space-between; align-items: end; padding: 0 calc(16px + env(safe-area-inset-left)) 0 calc(16px + env(safe-area-inset-right)); pointer-events: none; direction: ltr; }
.touch-cluster { display: flex; gap: 12px; pointer-events: auto; direction: ltr; }
.control {
  width: clamp(62px, 16vw, 84px); height: clamp(62px, 16vw, 84px); border-radius: 26px;
  color: #fffdf6; background: rgba(38,49,38,.68); border: 1px solid rgba(255,255,255,.28);
  backdrop-filter: blur(12px); box-shadow: 0 12px 26px rgba(31,39,30,.24), inset 0 1px rgba(255,255,255,.18);
  font-size: 27px; font-weight: 900; opacity: .86;
}
.control.gas { background: rgba(79,123,84,.82); color: #fffdf6; font-size: 20px; }
.control.brake { background: rgba(157,71,60,.82); color: #fffdf6; font-size: 18px; }
.control.active { transform: scale(.93); filter: brightness(1.08); opacity: 1; }
.wheel-control { touch-action: none; user-select: none; -webkit-user-select: none; pointer-events: auto; width: clamp(150px, 34vw, 190px); height: clamp(150px, 34vw, 190px); position: relative; display: grid; place-items: center; opacity: .92; cursor: grab; }
.wheel-face { width: 100%; height: 100%; border-radius: 50%; position: relative; background: radial-gradient(circle at 50% 50%, rgba(252,248,238,.24) 0 18%, rgba(38,49,38,.78) 19% 68%, rgba(32,38,31,.9) 69% 100%); border: 4px solid rgba(252,248,238,.72); box-shadow: 0 14px 30px rgba(31,39,30,.28), inset 0 0 0 5px rgba(38,49,38,.5); transition: transform .07s ease-out; }
.wheel-face::before { content: ''; position: absolute; left: 50%; top: 50%; width: 24%; height: 24%; transform: translate(-50%, -50%); border-radius: 50%; background: var(--sand); box-shadow: inset 0 -3px 6px rgba(0,0,0,.18); }
.wheel-face i { position: absolute; left: 50%; top: 50%; width: 5px; height: 43%; background: rgba(252,248,238,.72); border-radius: 999px; transform-origin: 50% 0; }
.wheel-face i:nth-child(1) { transform: rotate(0deg) translateX(-50%); }
.wheel-face i:nth-child(2) { transform: rotate(120deg) translateX(-50%); }
.wheel-face i:nth-child(3) { transform: rotate(240deg) translateX(-50%); }
.wheel-control.dragging { cursor: grabbing; }
.wheel-control.dragging .wheel-face { filter: brightness(1.08); }
.wheel-control > span { position: absolute; bottom: -2px; left: 50%; transform: translateX(-50%); padding: 3px 9px; border-radius: 999px; background: rgba(252,248,238,.78); color: var(--text); font-size: 11px; font-weight: 900; }

.panel { background: rgba(38,49,38,.34); backdrop-filter: blur(8px); }
.dialog-card h2 { margin: 0 0 8px; font-size: clamp(30px, 6vw, 48px); }
.dialog-card p { color: var(--muted); margin: 0 0 22px; }
.trophy { font-size: 58px; margin-bottom: 8px; }
.finish-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; margin: 20px 0 24px; }
.finish-stats div { padding: 12px 8px; border-radius: 18px; background: rgba(255,255,255,.34); }
.finish-stats b { display: block; color: var(--green-dark); font-size: 20px; }
.finish-stats span { color: var(--muted); font-size: 12px; }
.mode-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 14px 0 18px; }
.mode-choice { min-height: 78px; padding: 12px; border-radius: 20px; background: rgba(255,255,255,.34); border: 2px solid transparent; color: var(--text); }
.mode-choice b { display: block; font-size: 18px; margin-bottom: 5px; }
.mode-choice small { color: var(--muted); font-size: 13px; }
.mode-choice.selected { border-color: var(--green); background: rgba(79,123,84,.16); }
.toast { position: fixed; z-index: 60; top: calc(96px + env(safe-area-inset-top)); left: 50%; transform: translateX(-50%) translateY(20px); max-width: min(88vw, 420px); padding: 12px 17px; border-radius: 999px; background: var(--panel-strong); border: 1px solid var(--line); color: var(--text); opacity: 0; transition: .24s ease; pointer-events: none; text-align: center; box-shadow: 0 12px 28px rgba(31,39,30,.22); }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 760px) {
  .hero-card, .dialog-card { width: min(94vw, 480px); padding: 22px; border-radius: 28px; }
  .tagline { margin: 10px auto 14px; }
  .feature-grid { margin-bottom: 16px; }
  .controls-help { display: none; }
  .install { top: calc(10px + env(safe-area-inset-top)); left: calc(10px + env(safe-area-inset-left)); height: 40px; padding: 0 12px; }
  .pill { height: 40px; min-width: 40px; }
  .fullscreen { top: calc(10px + env(safe-area-inset-top)); right: calc(10px + env(safe-area-inset-right)); }
  .language { top: calc(56px + env(safe-area-inset-top)); right: calc(10px + env(safe-area-inset-right)); }
  .settings { top: calc(102px + env(safe-area-inset-top)); right: calc(10px + env(safe-area-inset-right)); }
  .control-toggle { top: calc(148px + env(safe-area-inset-top)); right: calc(10px + env(safe-area-inset-right)); padding: 0 10px; font-size: 11px; }
  .pause { top: calc(194px + env(safe-area-inset-top)); right: calc(10px + env(safe-area-inset-right)); }
  .sound { top: calc(240px + env(safe-area-inset-top)); right: calc(10px + env(safe-area-inset-right)); }
  .volume-control { top: calc(286px + env(safe-area-inset-top)); right: calc(10px + env(safe-area-inset-right)); width: 134px; height: 40px; padding: 0 10px; }
  .hud-top { top: calc(10px + env(safe-area-inset-top)); left: calc(100px + env(safe-area-inset-left)); right: calc(120px + env(safe-area-inset-right)); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; }
  .stat { min-width: 0; padding: 8px 8px 6px; border-radius: 16px; }
  .stat strong { font-size: 18px; }
  .stat.speed strong { font-size: 23px; }
  .stat span { font-size: 10px; margin-top: 3px; }
  .stat.wide { min-width: 0; }
  .hud-bottom { top: calc(60px + env(safe-area-inset-top)); left: calc(10px + env(safe-area-inset-left)); gap: 7px; }
  .minimap-wrap { width: 72px; height: 72px; border-radius: 16px; padding: 5px; }
  .boost-wrap { width: 108px; padding: 7px 8px; border-radius: 16px; }
  .boost-bar { height: 6px; margin: 5px 0; }
  .boost-wrap b { font-size: 11px; }
  .toast { top: calc(288px + env(safe-area-inset-top)); }
  .wheel-control { width: 150px; height: 150px; }
}

@media (max-height: 500px) and (orientation: landscape) {
  .hero-card, .dialog-card { width: min(76vw, 560px); padding: 16px 20px; }
  .version { margin-bottom: 6px; }
  h1 { font-size: clamp(30px, 9vh, 46px); }
  .tagline { margin: 6px auto 8px; font-size: 14px; line-height: 1.35; }
  .feature-grid { margin-bottom: 10px; }
  .feature-grid div { padding: 7px 6px; border-radius: 14px; }
  .car-select { margin: -2px 0 8px; font-size: 12px; }
  .setup-grid { gap: 6px; margin-bottom: 8px; }
  .setup-group { padding: 5px; border-radius: 12px; }
  .setup-group > span { margin-bottom: 4px; font-size: 9px; }
  .segmented button { min-height: 30px; padding: 3px 5px; border-radius: 8px; font-size: 11px; }
  .car-choice { width: 28px; height: 28px; }
  .primary, .secondary { min-height: 44px; font-size: 17px; border-radius: 17px; }
  .controls-help { display: none; }
  .pill { height: 38px; min-width: 38px; }
  .install { top: calc(10px + env(safe-area-inset-top)); left: calc(12px + env(safe-area-inset-left)); padding: 0 12px; }
  .fullscreen { top: calc(10px + env(safe-area-inset-top)); right: calc(12px + env(safe-area-inset-right)); padding: 0 10px; font-size: 13px; }
  .language { top: calc(56px + env(safe-area-inset-top)); right: calc(12px + env(safe-area-inset-right)); }
  .settings { top: calc(102px + env(safe-area-inset-top)); right: calc(12px + env(safe-area-inset-right)); }
  .control-toggle { top: calc(148px + env(safe-area-inset-top)); right: calc(12px + env(safe-area-inset-right)); padding: 0 9px; font-size: 10px; }
  .pause { top: calc(194px + env(safe-area-inset-top)); right: calc(12px + env(safe-area-inset-right)); }
  .sound { top: calc(240px + env(safe-area-inset-top)); right: calc(12px + env(safe-area-inset-right)); }
  .volume-control { top: calc(280px + env(safe-area-inset-top)); right: calc(12px + env(safe-area-inset-right)); width: 126px; height: 38px; padding: 0 9px; }
  .volume-control span { font-size: 11px; }
  .hud-top { top: calc(10px + env(safe-area-inset-top)); left: calc(104px + env(safe-area-inset-left)); right: calc(124px + env(safe-area-inset-right)); display: flex; justify-content: center; gap: 6px; }
  .stat { min-width: 62px; padding: 6px 7px 5px; border-radius: 14px; }
  .stat strong { font-size: 16px; }
  .stat.speed strong { font-size: 20px; }
  .stat span { font-size: 9px; margin-top: 2px; }
  .stat.wide { min-width: 76px; }
  .hud-bottom { top: calc(56px + env(safe-area-inset-top)); left: calc(12px + env(safe-area-inset-left)); gap: 6px; }
  .minimap-wrap { width: 58px; height: 58px; border-radius: 14px; padding: 4px; }
  .boost-wrap { width: 102px; padding: 6px 7px; border-radius: 14px; }
  .boost-wrap span { font-size: 10px; }
  .boost-bar { height: 6px; margin: 4px 0; }
  .boost-wrap b { font-size: 10px; }
  .toast { top: calc(64px + env(safe-area-inset-top)); max-width: min(48vw, 320px); padding: 9px 13px; }
  .touch { bottom: calc(10px + env(safe-area-inset-bottom)); padding: 0 calc(14px + env(safe-area-inset-left)) 0 calc(14px + env(safe-area-inset-right)); }
  .touch-cluster { gap: 8px; }
  .control { width: 54px; height: 54px; border-radius: 18px; font-size: 21px; opacity: .78; }
  .wheel-control { width: 132px; height: 132px; }
  .mode-choice { min-height: 62px; padding: 9px; }
  .mode-choice b { font-size: 15px; }
  .mode-choice small { font-size: 11px; }
  .control.gas { font-size: 17px; }
  .control.brake { font-size: 15px; }
  .countdown { top: 44%; font-size: clamp(52px, 17vh, 78px); border-radius: 24px; }
}