.calculator-sidebar {
  background: #f5f5f50f;
  padding: 20px;
  border-radius: 5px;
}

.calculator-sidebar h4 {
  margin-bottom: 15px;
  color: #c5c5c5;
  border-bottom: 1px solid #ddd;
  padding-bottom: 10px;
}

.calculator-sidebar ul {
  list-style: none;
  padding: 0;
}

.calculator-sidebar li {
  margin-bottom: 8px;
}

.calculator-sidebar a {
  color: #c5c5c5;
  text-decoration: none;
  display: block;
  padding: 8px 10px;
  border-radius: 4px;
  transition: all 0.3s;
}

.calculator-sidebar a:hover,
.calculator-sidebar a.active {
  background: #cc0000;
  color: white;
  border-left: 4px solid #fff;
}

.calculator-content {
  background: #03034f;
  padding: 20px;
  border-radius: 5px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.calculator-content h3 {
  margin-bottom: 20px;
  color: #c5c5c5;
}

.calculator-content table {
  width: 100%;
}

#calculator td {
  color: #c5c5c5;
}

.calculator-content table tr td {
  padding: 10px 0;
  vertical-align: middle;
}

.calculator-content input[type="text"],
.calculator-content select {
  padding: 8px;
  border: 1px solid #ddd;
  border-radius: 4px;
}

.calculator-content .result {
  font-weight: bold;
  color: #c9c9c9;
  font-size: 18px;
}

.note-bar {
  background: #f8f9fa;
  padding: 15px;
  border-left: 4px solid #cc0000;
  margin-top: 20px;
}

.shape-image {
  max-width: 100%;
  width:auto;
  height: 100%;
  margin-top: 20px;
  border: 1px solid #ddd;
  padding: 10px;
  background: white;
}

.weight-calculator {
  background: #000;
}

.error-message {
  background-color: #000;
  color: #cc0000;
  padding: 10px;
  margin-top: 15px;
  border-radius: 4px;
  display: none;
}

.accent {
  color: #cc0000;
  font-weight: bold;
}

.readonly-field {
  background-color: #f5f5f5;
  cursor: not-allowed;
}

.resultLabel {
  font-weight: bold;
  color: #333;
  padding: 5px 0;
  border-bottom: 1px solid #ddd;
  margin-bottom: 5px;
}

.page-header__bg::before {
  background: #06145f8c !important;
}

.note-bar p {
  color: #0a045c;
}