.container-unit-converter {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  padding: 20px;
  line-height: 1.4;
  /* Mobile responsive */
  /* Firefox scrollbar */
  /* Focus styles */
  /* Print styles */
}
.container-unit-converter .main-container {
  max-width: 900px;
  margin: 0 auto;
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}
.container-unit-converter .header-section {
  background: #de9406;
  color: white;
  padding: 25px;
  text-align: center;
}
.container-unit-converter .header-section h1 {
  font-size: 28px;
  margin-bottom: 8px;
  font-weight: normal;
}
.container-unit-converter .header-section p {
  font-size: 16px;
  opacity: 0.9;
}
.container-unit-converter .category-tabs {
  display: flex;
  background: #f7d088;
  overflow-x: auto;
}
.container-unit-converter .tab {
  padding: 15px 25px;
  color: #6b6760;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  white-space: nowrap;
  transition: all 0.2s;
  font-size: 14px;
}
.container-unit-converter .tab:hover {
  background: #836936;
  color: white;
}
.container-unit-converter .tab.active {
  background: #de9406;
  color: white;
  border-bottom-color: #de9406;
}
.container-unit-converter .converter-box {
  padding: 25px;
}
.container-unit-converter .input-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}
.container-unit-converter .input-col label {
  display: block;
  margin-bottom: 8px;
  font-weight: bold;
  color: #58492c;
  font-size: 14px;
}
.container-unit-converter .input-col input {
  width: 100%;
  padding: 12px;
  border: 2px solid #ddd;
  border-radius: 4px;
  font-size: 16px;
  transition: border-color 0.2s;
}
.container-unit-converter .input-col input:focus {
  outline: none;
  border-color: #de9406;
}
.container-unit-converter .input-col input[readonly] {
  background: #f8f9fa;
  color: #58492c;
  font-weight: bold;
}
.container-unit-converter .units-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}
.container-unit-converter .units-container {
  border: 2px solid #e0e0e0;
  border-radius: 4px;
  height: 280px;
  overflow-y: auto;
  background: #fafafa;
}
.container-unit-converter .units-container::-webkit-scrollbar {
  width: 12px;
}
.container-unit-converter .units-container::-webkit-scrollbar-track {
  background: #f1f1f1;
}
.container-unit-converter .units-container::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 6px;
}
.container-unit-converter .units-container::-webkit-scrollbar-thumb:hover {
  background: #a8a8a8;
}
.container-unit-converter .unit-item {
  padding: 12px 15px;
  border-bottom: 1px solid #e8e8e8;
  cursor: pointer;
  transition: background-color 0.15s;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.container-unit-converter .unit-item:last-child {
  border-bottom: none;
}
.container-unit-converter .unit-item:hover {
  background: #e8f4fd;
}
.container-unit-converter .unit-item.selected {
  background: #de9406;
  color: white;
}
.container-unit-converter .unit-item.selected.grey {
  background: #b1a999;
  color: white;
}
.container-unit-converter .unit-name {
  font-size: 14px;
  font-weight: 500;
}
.container-unit-converter .unit-symbol {
  font-size: 12px;
  color: #666;
  font-style: italic;
}
.container-unit-converter .unit-item.selected .unit-symbol {
  color: rgba(255, 255, 255, 0.8);
}
.container-unit-converter .result-box {
  background: #ecf0f1;
  padding: 15px;
  border-radius: 4px;
  text-align: center;
  border-left: 4px solid #de9406;
  font-size: 15px;
  color: #58492c;
}
@media (max-width: 768px) {
  .container-unit-converter body {
    padding: 10px;
  }
  .container-unit-converter .main-container {
    border-radius: 4px;
  }
  .container-unit-converter .header-section {
    padding: 20px;
  }
  .container-unit-converter .header-section h1 {
    font-size: 24px;
  }
  .container-unit-converter .category-tabs {
    flex-wrap: wrap;
  }
  .container-unit-converter .tab {
    flex: 1;
    text-align: center;
    padding: 12px 15px;
    font-size: 13px;
  }
  .container-unit-converter .converter-box {
    padding: 20px;
  }
  .container-unit-converter .input-section {
    gap: 15px;
  }
  .container-unit-converter .units-section {
    gap: 15px;
  }
  .container-unit-converter .units-container {
    height: 220px;
  }
}
@media (max-width: 480px) {
  .container-unit-converter .input-section,
  .container-unit-converter .units-section {
    grid-template-columns: 1fr;
  }
  .container-unit-converter .units-container {
    height: 180px;
  }
  .container-unit-converter .tab {
    padding: 10px 12px;
    font-size: 12px;
  }
  .container-unit-converter .header-section h1 {
    font-size: 22px;
  }
  .container-unit-converter .unit-item {
    padding: 10px 12px;
  }
}
.container-unit-converter .units-container {
  scrollbar-width: thin;
  scrollbar-color: #c1c1c1 #f1f1f1;
}
.container-unit-converter .unit-item:focus {
  outline: 2px solid #de9406;
  outline-offset: -2px;
}
.container-unit-converter .tab:focus {
  outline: 2px solid #fff;
  outline-offset: -2px;
}
@media print {
  .container-unit-converter body {
    background: white;
  }
  .container-unit-converter .main-container {
    box-shadow: none;
    border: 1px solid #000;
  }
  .container-unit-converter .header-section {
    background: white;
    color: black;
    border-bottom: 2px solid #000;
  }
  .container-unit-converter .category-tabs {
    display: none;
  }
  .container-unit-converter .result-box {
    border: 1px solid #000;
  }
}