.sim-container {
  max-width: 700px;
  margin: var(--space-lg) 0;
  padding: var(--space-md);
  border: 1px solid var(--border-hair);
  border-radius: 8px;
  background: var(--bg-panel);
}
#projectileCanvas {
  width: 100%;
  max-width: 640px;
  border-radius: 6px;
  background: #05070c;
  display: block;
  margin: 0 auto var(--space-md);
}
.sim-controls { display: flex; flex-direction: column; gap: var(--space-sm); }
.sim-controls label { display: flex; flex-direction: column; gap: 0.3rem; font-size: 0.9rem; color: var(--text-muted); }
.sim-controls input[type="range"] { width: 100%; accent-color: var(--accent-gold); }
.sim-readout { font-family: var(--font-mono); font-size: 0.85rem; color: var(--accent-teal); margin-top: 0.5rem; min-height: 1.2rem; }

.sim-buttons-row { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.btn-secondary {
  background: transparent;
  border: 1px solid var(--accent-gold);
  color: var(--accent-gold);
}
.btn-secondary:hover { background: rgba(255,184,77,0.1); }

.sim-container canvas {
  width: 100%;
  height: auto;
  max-width: 640px;
  border-radius: 6px;
  background: #05070c;
  display: block;
  margin: 0 auto var(--space-md);
}

.sim-buttons-row {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

@media (max-width: 600px) {
  .sim-container {
    padding: var(--space-sm);
  }
  .sim-controls label {
    font-size: 0.85rem;
  }
  .sim-buttons-row {
    flex-direction: column;
  }
  .sim-buttons-row .btn,
  .sim-buttons-row .btn-secondary {
    width: 100%;
    text-align: center;
  }
  .sim-readout {
    font-size: 0.78rem;
  }
}