body {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-height: 100vh;
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.setup-container {
  width: 100%;
  max-width: 600px;
}

.setup-container .card {
  border: 1px solid var(--border-color);
  box-shadow: var(--card-shadow);
}

.subtitle {
  color: var(--text-secondary);
  margin-top: -0.75rem;
  margin-bottom: 2rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: #2a3a50;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  font-size: 1rem;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%239ca3af' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1em;
}

.form-select:disabled {
  background-color: #1f2937;
  opacity: 0.5;
  cursor: not-allowed;
}

.form-select option:disabled {
  color: #6c757d;
}

.button-group {
    margin-top: 2rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 600px) {
    .button-group {
        grid-template-columns: 1fr 1fr;
    }
}