:root {
  color-scheme: dark;
  --bg: #07140d;
  --panel: #102317;
  --panel-2: #17351f;
  --text: #f7fff9;
  --muted: #bdd2c2;
  --green: #2aae58;
  --green-2: #0d7a3a;
  --white: #ffffff;
  --danger: #ff684f;
  --yellow: #ffd166;
  --road: #20242a;
  --lane: #e8e8e8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 12% 8%, rgba(42, 174, 88, 0.28), transparent 24rem),
    linear-gradient(145deg, #06120b, #0e1f14 58%, #050908);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button {
  font: inherit;
}

.app {
  width: min(760px, 100%);
  min-height: 100vh;
  margin: 0 auto;
  padding: 18px;
  display: flex;
  align-items: center;
}

.screen {
  width: 100%;
}

.hero,
.card {
  background: rgba(16, 35, 23, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.28);
}

.hero {
  padding: 32px 22px;
  text-align: center;
}

.flag-strip {
  height: 10px;
  margin: -32px -22px 28px;
  border-radius: 8px 8px 0 0;
  background: linear-gradient(90deg, var(--green) 0 33%, var(--white) 33% 66%, var(--green) 66%);
}

h1 {
  margin: 0;
  font-size: clamp(3.1rem, 16vw, 6.5rem);
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  margin: 0 0 10px;
  font-size: clamp(1.8rem, 8vw, 3.4rem);
  line-height: 1;
}

h3 {
  margin: 0 0 10px;
  font-size: 1.15rem;
}

p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.45;
}

.tagline {
  margin: 14px 0 28px;
  font-size: clamp(1.25rem, 6vw, 2rem);
  color: var(--text);
}

.btn {
  width: 100%;
  border: 0;
  border-radius: 8px;
  padding: 16px 18px;
  background: var(--green);
  color: #041009;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
  cursor: pointer;
  min-height: 58px;
}

.btn:active {
  transform: translateY(1px);
}

.btn.secondary {
  background: #203c2a;
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.topbar {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}

.stat {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 10px;
}

.stat span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.stat strong {
  display: block;
  margin-top: 4px;
  font-size: 1.05rem;
}

.card {
  padding: 18px;
}

.event-kicker {
  color: var(--yellow);
  font-weight: 900;
  text-transform: uppercase;
}

.message {
  margin: 16px 0;
  padding: 14px;
  border-radius: 8px;
  background: #092816;
  border-left: 5px solid var(--green);
  color: var(--text);
  white-space: pre-line;
}

.choices {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.choice {
  text-align: left;
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  padding: 14px;
  cursor: pointer;
}

.choice strong {
  display: block;
  margin-bottom: 5px;
  color: #fff;
}

.choice span {
  display: block;
  color: var(--muted);
  line-height: 1.35;
}

.feedback {
  margin-top: 14px;
  color: var(--yellow);
  font-weight: 700;
}

.run-wrap {
  display: grid;
  gap: 12px;
}

.run-hud {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.road {
  position: relative;
  overflow: hidden;
  height: min(68vh, 560px);
  min-height: 420px;
  border-radius: 8px;
  background:
    linear-gradient(90deg, transparent 32%, rgba(255,255,255,.55) 32% 34%, transparent 34% 66%, rgba(255,255,255,.55) 66% 68%, transparent 68%),
    repeating-linear-gradient(180deg, transparent 0 48px, rgba(255,255,255,.18) 48px 74px),
    var(--road);
  border: 4px solid #0c1114;
  touch-action: none;
}

.player,
.obstacle {
  position: absolute;
  width: 20%;
  height: 58px;
  left: 40%;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-size: 1.8rem;
  transition: left 120ms ease;
}

.player {
  bottom: 20px;
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(255,255,255,.2) inset;
}

.obstacle {
  top: -70px;
  background: #b13b2f;
}

.obstacle.danfo {
  background: #e3b429;
}

.obstacle.barrier {
  background: #f06449;
}

.obstacle.pothole {
  background: #111;
}

.impact {
  min-height: 28px;
  color: var(--danger);
  font-weight: 900;
  font-size: 1.4rem;
}

.report-grid {
  display: grid;
  gap: 8px;
  margin: 18px 0;
}

.report-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.path {
  overflow-wrap: anywhere;
  color: var(--yellow);
  font-weight: 800;
}

.actions {
  display: grid;
  gap: 10px;
}

.sub {
  margin-top: -6px;
  margin-bottom: 18px;
}

.score {
  margin: 4px 0 18px;
  text-align: center;
}

.score .num {
  display: block;
  font-size: clamp(2.4rem, 12vw, 3.6rem);
  font-weight: 900;
  color: var(--yellow);
  line-height: 1;
}

.score .label {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
}

.mission-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
  margin: 14px 0;
  touch-action: none;
}

.cell {
  aspect-ratio: 1;
  border-radius: 6px;
  background: var(--panel-2);
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: grid;
  place-items: center;
  font-size: 1.3rem;
}

.cell.blocked {
  background: #3a2320;
}

.cell.target {
  background: #1d3a26;
  border-color: var(--green);
}

.cell.player {
  background: var(--green);
}

.mission-hint {
  color: var(--muted);
  font-size: 0.92rem;
}

@media (min-width: 680px) {
  .topbar {
    grid-template-columns: repeat(3, 1fr);
  }

  .choices,
  .actions {
    grid-template-columns: repeat(2, 1fr);
  }

  .choice:first-child:last-child,
  .actions .btn:first-child:last-child {
    grid-column: 1 / -1;
  }
}