#kart-canvas {
  width: 100%;
  max-width: 640px;
  height: auto;
  aspect-ratio: 640 / 400;
  border-radius: var(--radius-md);
  box-shadow: inset 0 0 0 2px var(--color-border);
  touch-action: none;
}

.kart-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
}
.kart-controls__row { display: flex; gap: 10px; }
.kart-btn {
  min-width: 64px;
  height: 54px;
  padding: 0 16px;
  border-radius: 12px;
  border: 2px solid var(--color-border);
  background: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  user-select: none;
}
.kart-btn--wide { min-width: 140px; }
.kart-btn:active, .kart-btn:hover { border-color: var(--color-primary); }

.kart-leaderboard-wrap { width: 100%; margin-top: 24px; }
.kart-leaderboard-title { font-size: 1rem; margin-bottom: 10px; text-align: center; }
.kart-leaderboard-empty { text-align: center; color: var(--color-text-soft); font-size: 0.92rem; }

.kart-table {
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
  border-collapse: collapse;
  font-size: 0.92rem;
}
.kart-table th, .kart-table td {
  padding: 8px 10px;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}
.kart-table th { color: var(--color-text-soft); font-weight: 700; font-size: 0.8rem; text-transform: uppercase; }
.kart-table tr:first-child td { font-weight: 800; color: var(--color-primary-dark); }