/* =============== COMMON BLOCK STYLE (THM / DEF / EXM) =============== */

.theorem,
.definition,
.example {
  padding: 0.5rem 1.2rem;
  margin: 1.2rem 0rem;
  border-radius: 6px;
  border-left-width: 6px;
  border-left-style: solid;
  background-color: #ffffff;     /* pure white for max contrast */
  box-shadow: 0 2px 4px rgba(0,0,0,0.06);
}

/* Titles */
.theorem .theorem-title,
.definition .definition-title,
.example .example-title {
  font-weight: 700;
  font-size: 1.07rem;
  margin-bottom: 0.1rem;
  display: block;
}

.theorem .theorem-number,
.definition .definition-number,
.example .example-number {
  font-weight: 800;
  margin-right: 0.3rem;
}

.theorem .theorem-name,
.definition .definition-name,
.example .example-name {
  font-style: italic;
  margin-left: 0.3rem;
}

/* =============== STRONG, DISTINCT COLOR THEMES =============== */

/* --- THEOREM (deep academic purple) --- */
.theorem {
  border-left-color: #5a189a;
  background-color: #f8f1ff;
}
.theorem .theorem-title {
  color: #3c0d6e;
}

/* --- DEFINITION (dark authoritative green) --- */
.definition {
  border-left-color: #cfeede;
  background-color: #fafefa;
}
.definition .definition-title {
  color: #004b00;
}

/* --- EXAMPLE (bright amber/gold) --- */
.example {
  border-left-color: #d98c00;
  background-color: #fff8e1;
}
.example .example-title {
  color: #a66a00;
}