.coin-simulator {
  padding: 20px;
  border: 1px solid #ccc;
  border-radius: 8px;
  max-width: 500px;
  text-align: center;
}

.approach-selector {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin: 20px 0;
}

.approach-selector label {
  cursor: pointer;
  padding: 8px 16px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

.approach-selector input:checked+span {
  font-weight: bold;
}

.approach-selector input {
  margin-right: 6px;
}

.coin {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin: 20px auto;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow:
    inset 0 0 25px rgba(0, 0, 0, 0.2),
    inset 0 0 5px rgba(255, 255, 255, 0.3),
    0 4px 8px rgba(0, 0, 0, 0.3);
  border: 4px solid #707080;
  background: linear-gradient(145deg, #c0c0c0, #a8a8b8, #909098);
}

.coin svg {
  width: 90px;
  height: 90px;
}

.coin-neutral {
  opacity: 0.7;
}

.coin-stats {
  display: flex;
  justify-content: space-around;
  margin: 20px 0;
  font-size: 18px;
}

.coin-buttons {
  display: flex;
  gap: 10px;
  justify-content: center;
}

.coin-buttons button {
  padding: 10px 20px;
  font-size: 16px;
  cursor: pointer;
}

.bias-toggle {
  margin-top: 15px;
  font-size: 14px;
}

.bias-toggle input[type="checkbox"] {
  vertical-align: middle;
  margin-right: 5px;
}

#flip-btn {
  background: #4CAF50;
  color: white;
  border: none;
  border-radius: 4px;
}

#reset-btn {
  background: #f44336;
  color: white;
  border: none;
  border-radius: 4px;
}

.approach-stats {
  margin: 15px 0;
  padding: 15px;
  background: #f5f5f5;
  border-radius: 4px;
  text-align: left;
}

.approach-stats p {
  margin: 8px 0;
}

.bayes-priors {
  display: flex;
  justify-content: space-around;
  margin: 10px 0;
}

#prior-fair-input {
  width: 70px;
  padding: 4px;
  font-size: 14px;
  text-align: center;
}

.recommend {
  font-weight: bold;
  text-align: center;
  margin-top: 15px;
  padding: 10px;
  background: #e8f5e9;
  border-radius: 4px;
}