:root {
  --sky: #8fd3ff;
  --grass: #5fd068;
  --track: rgba(255, 255, 255, 0.85);
  --accent: #ffb400;
  --dark: #1b1b1b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Cooper Black", "Arial Black", "Trebuchet MS", "Verdana", sans-serif;
  background: url("background.jpg") center/cover no-repeat fixed;
  min-height: 100vh;
  color: var(--dark);
}

#app {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: linear-gradient(180deg, rgba(143, 211, 255, 0.65), rgba(95, 208, 104, 0.2));
}

.screen {
  width: min(1100px, 95vw);
  min-height: 85vh;
  background: var(--track);
  border-radius: 24px;
  padding: 24px;
  display: none;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.screen.active { display: grid; }

#start-screen {
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
  align-items: center;
}

.start-left h1 { font-size: 2.4rem; margin: 12px 0 6px; }

.start-left p { font-size: 1.1rem; }

.ryder-big {
  width: 220px;
  height: auto;
  display: block;
  margin-bottom: 12px;
}

.choices {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.choices button {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  border: none;
  font-size: 1.6rem;
  background: var(--accent);
  color: #1b1b1b;
  cursor: pointer;
  box-shadow: 0 4px 0 rgba(0,0,0,0.2);
}

.choices button:active {
  transform: translateY(2px);
  box-shadow: 0 2px 0 rgba(0,0,0,0.2);
}

.poster {
  background: rgba(255,255,255,0.8);
  border-radius: 18px;
  padding: 16px;
}

.poster-title { font-weight: bold; margin-bottom: 12px; }

.poster-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.poster-card {
  background: #fff;
  border-radius: 12px;
  padding: 8px;
  text-align: center;
  font-size: 0.9rem;
}

.poster-card img { width: 100%; height: 80px; object-fit: contain; }

.hint { margin-top: 16px; font-size: 1rem; }

#game-screen {
  grid-template-rows: auto 1fr auto;
  gap: 12px;
  background: transparent;
  box-shadow: none;
}

.hud {
  display: grid;
  grid-template-columns: 80px 1fr 100px;
  align-items: center;
}

.ryder-corner {
  position: absolute;
  left: 0px;
  bottom: var(--road-offset);
  width: 180px;
  z-index: 2;
}

.hud-center { text-align: center; }

.label { font-size: 1.2rem; color: #0b3d91; text-shadow: 1px 1px 0 #fff; }

.target {
  font-size: 6.5rem;
  font-weight: bold;
  display: inline-block;
  padding: 6px 12px;
  color: #0b3d91;
  text-shadow:
    0 3px 0 #ffffff,
    0 6px 10px rgba(0,0,0,0.25);
  line-height: 1;
}

.progress { font-size: 1.2rem; text-align: right; }

.track {
  position: relative;
  height: 420px;
  border-radius: 20px;
  overflow: hidden;
  --road-offset: 10px;
  padding-left: 40px;
}

.character {
  position: absolute;
  bottom: var(--road-offset);
  left: 20px;
  width: 120px;
  height: 120px;
  transition: left 0.6s ease;
  z-index: 2;
}

.character img { width: 100%; height: 100%; object-fit: contain; }

.character.jump { animation: jump 0.6s ease; }

@keyframes jump {
  0% { transform: translateY(0); }
  50% { transform: translateY(-140px); }
  100% { transform: translateY(0); }
}

.obstacles {
  position: absolute;
  bottom: var(--road-offset);
  left: 0;
  right: 0;
  height: 120px;
  z-index: 1;
}

.obstacle {
  position: absolute;
  bottom: 0;
  width: 90px;
  height: 90px;
  background: url("obstacle.png") center/contain no-repeat;
}

.treat {
  position: absolute;
  right: 30px;
  bottom: calc(var(--road-offset) + 20px);
  width: 90px;
  height: 90px;
  object-fit: contain;
  animation: float 1.8s ease-in-out infinite;
  z-index: 3;
}

@keyframes float {
  0% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
  100% { transform: translateY(0); }
}

.instruction {
  text-align: center;
  font-size: 1.4rem;
  padding-bottom: 8px;
}

.mobile-keyboard {
  display: none;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 10px;
  padding: 8px 0 4px;
}

.mobile-key {
  min-height: 52px;
  border: none;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.92);
  color: #0b3d91;
  font: inherit;
  font-size: 1.35rem;
  font-weight: bold;
  box-shadow: 0 4px 12px rgba(11, 61, 145, 0.15);
}

.mobile-key:active {
  transform: scale(0.97);
}

.mobile-key:disabled {
  opacity: 0.55;
}

.mobile-key.is-target {
  background: #ffef9f;
  box-shadow: 0 0 0 3px rgba(255, 180, 0, 0.35);
}

#end-screen {
  place-items: center;
  text-align: center;
}

#end-screen h2 { font-size: 2.4rem; }

#restart {
  font-size: 1.2rem;
  padding: 12px 24px;
  border-radius: 14px;
  border: none;
  background: var(--accent);
  cursor: pointer;
}

@media (max-width: 900px) {
  #start-screen {
    grid-template-columns: 1fr;
  }

  .hud {
    grid-template-columns: 60px 1fr 80px;
  }

  .target { font-size: 3.4rem; }

  .screen {
    min-height: 100vh;
    width: 100vw;
    border-radius: 0;
    padding: 16px;
  }

  #game-screen {
    grid-template-rows: auto minmax(220px, 1fr) auto auto;
    align-content: start;
  }

  .track {
    height: 240px;
    padding-left: 16px;
  }

  .character {
    width: 88px;
    height: 88px;
  }

  .ryder-corner {
    width: 120px;
  }

  .instruction {
    font-size: 1.15rem;
    padding-bottom: 0;
  }

  .mobile-keyboard {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 8px;
    position: sticky;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 18px;
    padding: 12px 8px calc(12px + env(safe-area-inset-bottom, 0px));
    box-shadow: 0 -8px 24px rgba(11, 61, 145, 0.12);
  }

  .mobile-key {
    min-height: 48px;
    font-size: 1.15rem;
  }
}