/* Marine Geology textbook stylesheet */
@import url("styles.css?v=20261016_review_fix");

.openstem-simulation, .sim-card {
  padding: 1.25rem;
  border: 1px solid #334155;
  border-radius: 12px;
  background: #0b1729;
  color: #e2e8f0;
  margin: 1.5rem 0;
  box-sizing: border-box;
}

.openstem-simulation h4, .sim-card h4 {
  color: #38bdf8;
  margin-top: 0;
  font-size: 1.15rem;
  font-weight: 600;
}

.openstem-simulation label, .sim-card label {
  display: block;
  margin: 0.75rem 0;
  color: #cbd5e1;
  font-size: 0.95rem;
}

.openstem-simulation input[type="range"], .sim-card input[type="range"] {
  display: block;
  width: 100%;
  margin-top: 0.35rem;
  accent-color: #38bdf8;
}

.openstem-simulation svg, .sim-card svg {
  display: block;
  width: 100%;
  max-width: 650px;
  height: auto;
  margin: 1rem auto;
  background: #0f172a;
  border: 1px solid #1e293b;
  border-radius: 8px;
}

.openstem-simulation .readout, .sim-card .readout {
  font-size: 0.9rem;
  color: #94a3b8;
  margin-top: 0.5rem;
}