/* General Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: #000;
  color: white;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Section Title */
.converter .section-title {
  text-align: center;
  margin-bottom: 30px;
  font-size: 2.2rem;
  color: white;
  text-shadow: 0 0 5px rgba(0, 0, 0, 0.7);
}

/* Main Converter Container */
.converter-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 20px;
  border-radius: 16px;
  background-color: #1a1a1a;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
  max-width: 1000px;
  margin: 20px auto;
}

/* Input and Output Containers */
.input-container,
.output-container {
  background-color: #2d2d2d;
  color: white;
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid #3a3a3a;
}

.input-container:hover,
.output-container:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
}

/* Container Headers */
.input-container h3,
.output-container h3 {
  font-size: 1.4rem;
  margin-bottom: 20px;
  color: #e0e0e0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.input-container h3 i,
.output-container h3 i {
  cursor: pointer;
  font-size: 1.2rem;
  opacity: 0.7;
  transition: opacity 0.3s ease;
  margin-left: 10px;
}

.input-container h3 i:hover,
.output-container h3 i:hover {
  opacity: 1;
}

/* Form Controls */
.form-control {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #444;
  border-radius: 8px;
  background-color: #333;
  color: white;
  font-size: 1rem;
  outline: none;
  transition: border 0.3s ease;
  margin-bottom: 20px;
}

.form-control:focus {
  border-color: #f39c12;
  box-shadow: 0 0 0 2px rgba(243, 156, 18, 0.2);
}

.form-control::-webkit-outer-spin-button,
.form-control::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.form-control[type="number"] {
  -moz-appearance: textfield;
}

/* Unit Selector */
.unit-selector {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
  max-height: 200px;
  overflow-y: auto;
  padding: 10px;
  background-color: #333;
  border-radius: 8px;
  border: 1px solid #444;
}

.unit-selector label {
  display: flex;
  align-items: center;
  font-size: 0.9rem;
  color: #ccc;
  cursor: pointer;
  padding: 5px;
  border-radius: 4px;
  transition: background-color 0.2s ease;
}

.unit-selector label:hover {
  background-color: #3a3a3a;
}

.unit-selector input[type="radio"] {
  margin-right: 8px;
  transform: scale(1.2);
}

.unit-selector input[type="radio"]:checked + span {
  color: #f39c12;
  font-weight: 500;
}

/* Scrollbar Styling */
.unit-selector::-webkit-scrollbar {
  width: 8px;
}

.unit-selector::-webkit-scrollbar-track {
  background: #2d2d2d;
}

.unit-selector::-webkit-scrollbar-thumb {
  background: #555;
  border-radius: 4px;
}

.unit-selector::-webkit-scrollbar-thumb:hover {
  background: #777;
}

/* Icon Hover Effects */
.bi-trash:hover {
  color: #e74c3c;
  transform: rotate(15deg);
  transition: all 0.3s ease;
}

.bi-clipboard:hover {
  color: #3498db;
  transform: scale(1.1);
  transition: all 0.3s ease;
}

.bi-download:hover {
  color: #27ae60;
  transform: translateY(-2px);
  transition: all 0.3s ease;
}

/* Responsive Design */
@media (max-width: 768px) {
  .converter .section-title {
    font-size: 1.8rem;
  }
  
  .converter-container {
    padding: 15px;
  }
  
  .input-container,
  .output-container {
    padding: 20px;
  }
  
  .unit-selector {
    grid-template-columns: 1fr;
    max-height: 300px;
  }
  
  .form-control {
    font-size: 0.95rem;
  }
}

/* Focus States for Better Accessibility */
.form-control:focus {
  outline: 2px solid #f39c12;
  outline-offset: 2px;
}

.unit-selector input[type="radio"]:focus {
  outline: 2px solid #f39c12;
  outline-offset: 2px;
}

/* Angle Converter Specific Styling */
.converter .section-title {
  color: #f39c12; /* Orange title to match angle/conversion theme */
  text-shadow: 0 0 10px rgba(243, 156, 18, 0.3);
}

/* Input Focus Effect */
.input-container .form-control:focus {
  border-color: #f39c12;
  box-shadow: 0 0 0 3px rgba(243, 156, 18, 0.1);
}

/* Output Container Special Styling */
.output-container {
  background: linear-gradient(135deg, #2d2d2d, #252525);
}

/* Output Box Styling */
.output-container .form-control {
  background-color: #2a2a2a;
  border-color: #444;
  font-weight: 500;
  color: #f39c12;
}

/* Radio Button Styling */
.unit-selector input[type="radio"] {
  accent-color: #f39c12;
}

/* Selected Unit Highlighting */
.unit-selector label:has(input[type="radio"]:checked) {
  background-color: rgba(243, 156, 18, 0.1);
  border: 1px solid #f39c12;
}

/* Container Hover Effects */
.input-container:hover,
.output-container:hover {
  border-color: #f39c12;
}

/* Smooth Transitions */
* {
  transition: background-color 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}

/* Focus Ring for Accessibility */
*:focus-visible {
  outline: 2px solid #f39c12;
  outline-offset: 2px;
}

/* Mobile Responsive Adjustments */
@media (max-width: 480px) {
  .unit-selector {
    grid-template-columns: 1fr;
    font-size: 0.85rem;
  }
  
  .unit-selector label {
    padding: 3px;
  }
  
  .converter .section-title {
    font-size: 1.6rem;
  }
  
  .input-container h3,
  .output-container h3 {
    font-size: 1.2rem;
  }
}

/* Dark Theme Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #1a1a1a;
}

::-webkit-scrollbar-thumb {
  background: #555;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #777;
}

/* Placeholder Styling */
.form-control::placeholder {
  color: #888;
}

/* Input/Output Box Focus States */
.input-container .form-control:focus {
  background-color: #353535;
}

.output-container .form-control:focus {
  background-color: #2c2c2c;
}

/* Unit Symbol Styling */
.unit-symbol {
  color: #f39c12;
  font-weight: bold;
}

/* Conversion Direction Indicator */
.conversion-direction {
  text-align: center;
  color: #888;
  font-size: 1.5rem;
  margin: 10px 0;
}

/* Quick Convert Button (if added later) */
.quick-convert-btn {
  background-color: #f39c12;
  color: #333;
  border: none;
  padding: 8px 15px;
  border-radius: 20px;
  cursor: pointer;
  font-weight: 500;
  margin: 10px 0;
  transition: all 0.3s ease;
}

.quick-convert-btn:hover {
  background-color: #e67e22;
  transform: translateY(-2px);
}

/* Swap Units Button */
.swap-units-btn {
  background-color: #34495e;
  color: white;
  border: none;
  padding: 8px 15px;
  border-radius: 20px;
  cursor: pointer;
  font-weight: 500;
  margin: 10px 0;
  transition: all 0.3s ease;
}

.swap-units-btn:hover {
  background-color: #2c3e50;
  transform: translateY(-2px);
}

/* Conversion History (if added later) */
.conversion-history {
  margin-top: 20px;
  padding: 15px;
  background-color: #333;
  border-radius: 8px;
  border: 1px solid #444;
  max-height: 150px;
  overflow-y: auto;
}

.conversion-history h4 {
  color: #f39c12;
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.conversion-history-item {
  padding: 5px 0;
  border-bottom: 1px solid #444;
  font-size: 0.9rem;
  color: #ccc;
}

.conversion-history-item:last-child {
  border-bottom: none;
}

/* Error State */
.form-control.error {
  border-color: #e74c3c;
  box-shadow: 0 0 0 2px rgba(231, 76, 60, 0.2);
}

/* Success State */
.form-control.success {
  border-color: #27ae60;
  box-shadow: 0 0 0 2px rgba(39, 174, 96, 0.2);
}

/* Loading State */
.loading-indicator {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(243, 156, 18, 0.3);
  border-radius: 50%;
  border-top-color: #f39c12;
  animation: spin 1s ease-in-out infinite;
  margin-right: 10px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Precision Selector */
.precision-selector {
  margin-top: 15px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: #ccc;
  font-size: 0.9rem;
}

.precision-selector select {
  padding: 5px 10px;
  border: 1px solid #444;
  border-radius: 4px;
  background-color: #333;
  color: white;
  font-size: 0.9rem;
}

/* Copy Confirmation */
.copy-confirmation {
  position: fixed;
  top: 20px;
  right: 20px;
  background-color: #27ae60;
  color: white;
  padding: 10px 20px;
  border-radius: 5px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  z-index: 1000;
  animation: slideIn 0.3s ease, fadeOut 0.5s ease 1.5s forwards;
}

@keyframes slideIn {
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}