* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: #101522;
  color: #f2f5ff;
  font-family: Arial, sans-serif;
}

.chooser-shell {
  width: min(94vw, 860px);
  padding: 1rem 0.6rem 1.2rem;
  text-align: center;
}

h1 {
  margin: 0 0 0.45rem;
}

.subtext {
  margin: 0 0 1rem;
  color: #b8c5ea;
}

.addon-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  margin: 0 0 0.95rem;
  flex-wrap: wrap;
}

.addon-label {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.42rem 0.65rem;
  border: 1px solid #4e6ac3;
  border-radius: 8px;
  background: rgba(15, 22, 40, 0.85);
  font-size: 0.9rem;
}

.addon-note {
  color: #b8c5ea;
  font-size: 0.82rem;
}

.car-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
}

.car-card {
  background: rgba(16, 24, 43, 0.88);
  border: 2px solid #33477a;
  border-radius: 10px;
  padding: 0.65rem;
}

.car-card.selected {
  border-color: #7ca1ff;
  box-shadow: 0 0 0 2px rgba(124, 161, 255, 0.35) inset;
}

.car-card img {
  width: 58px;
  height: 92px;
  object-fit: contain;
  image-rendering: pixelated;
}

.car-name {
  margin: 0.45rem 0 0.55rem;
  font-size: 0.9rem;
}

.pick-btn,
.back-btn {
  border: 1px solid #7ca1ff;
  border-radius: 8px;
  background: #3e62d2;
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
}

.pick-btn {
  width: 100%;
  padding: 0.45rem 0.6rem;
  font-size: 0.84rem;
}

.back-btn {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.6rem 1rem;
}