/* Modern dark scientific theme */
body {
  font-size: 1em;
  font-family: Calibri, Arial, Helvetica, sans-serif;
  background-color: #0a0a0a;
  /* deep dark */
  color: #e0e0e0;
  /* light gray */
  margin: 20px;
  padding: 0;
  text-align: left;
  /* left‑aligned */
}

h1 {
  font-size: 3em;
  font-weight: bold;
  letter-spacing: 1px;
  color: #00ffcc;
  /* nerdy cyan */
  margin-bottom: 0.5rem;
}

/* Options Grid: 2x2 Matrix */
.options-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

/* Individual Option Box Styling */
.option-box {
  background-color: #1a1a1a;
  border: 1px solid #444;
  border-radius: 8px;
  padding: 1rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.5);
  overflow-wrap: anywhere;
  white-space: normal;
  word-break: break-word;
}

.option-box h3 {
  margin-top: 0;
  margin-bottom: 0.8rem;
  font-size: 1.1em;
  color: #a0e0ff;
  border-bottom: 1px solid #333;
  padding-bottom: 0.3rem;
}

.option-box label {
  cursor: pointer;
  display: inline-block;
  margin-right: 0.8rem;
  margin-bottom: 0.4rem;
}

.option-box input[type="radio"] {
  margin-right: 0.3rem;
}

.small-text {
  font-size: 0.85em;
  color: #aaa;
  margin-top: 0.2rem;
  margin-bottom: 0.6rem;
  line-height: 1.3;
}

/* Mobile: 1x4 Matrix (Single column) */
@media (max-width: 768px) {
  .options-grid {
    grid-template-columns: 1fr;
  }
}

/* Canvas container – keep left alignment */
#myCanvas {
  border: 1px solid #555;
  display: block;
  margin-top: 1rem;
  max-width: 100%;
  width: auto;
  height: auto;
}

/* Button styling */
button {
  background-color: #006064;
  color: #e0f7fa;
  border: none;
  padding: 0.5rem 1rem;
  font-size: 1rem;
  cursor: pointer;
  border-radius: 4px;
}

button:hover {
  background-color: #00838f;
}

p {
  margin-top: 5px;
  font-weight: normal;
}

.contentarea {
  font-size: 16px;
  font-family: Arial;
}