/* Units Interface Styles */

.input-with-units {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
}

.input-with-units input {
  flex: 1;
  min-width: 0;
}

.unit-selector {
  background: var(--card-bg);
  border: 2px solid var(--border-color);
  border-radius: 6px;
  padding: 12px 8px;
  font-size: 14px;
  font-family: 'Inter', sans-serif;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.3s ease;
  min-width: 120px;
  max-width: 160px;
  flex-shrink: 0;
}

.unit-selector:hover {
  border-color: #3498db;
}

.unit-selector:focus {
  outline: none;
  border-color: #3498db;
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.unit-info {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: #6c757d;
  margin-top: 4px;
}

.unit-info .conversion-icon {
  font-size: 10px;
  opacity: 0.7;
}

.units-panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 20px;
}

.units-panel h3 {
  margin: 0 0 12px 0;
  font-size: 16px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.units-toggle {
  background: var(--bg-elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border-primary);
  cursor: pointer;
  font-size: 0.9rem;
  padding: 0.4rem 0.8rem;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.units-toggle:hover {
  background: var(--bg-tertiary);
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

.units-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.unit-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.unit-group label {
  font-size: 13px;
  font-weight: 500;
  color: #6c757d;
}

/* Responsive adjustments */
@media (max-width: 480px) {
  .input-with-units {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .unit-selector {
    min-width: 100%;
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  .units-grid {
    grid-template-columns: 1fr;
  }
}

/* Unit conversion feedback */
.conversion-feedback {
  background: #e3f2fd;
  border: 1px solid #2196f3;
  border-radius: 4px;
  padding: 8px 12px;
  margin-top: 8px;
  font-size: 12px;
  color: #1976d2;
  display: none;
}

.conversion-feedback.show {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Enhanced input styling when units are enabled */
.input-item.with-units {
  position: relative;
}

.input-item.with-units .input-with-units input {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  border-right: 0;
}

.input-item.with-units .unit-selector {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  border-left: 0;
}

/* Results with units */
.result-value.with-units {
  display: flex;
  align-items: center;
  gap: 8px;
}

.result-unit {
  font-size: 0.9em;
  color: #6c757d;
  font-weight: normal;
}

/* Unit display elements */
.unit-display {
  background: #f8f9fa;
  border: 2px solid #e1e5e9;
  border-radius: 6px;
  padding: 12px 16px;
  font-size: 14px;
  font-family: 'Inter', sans-serif;
  color: #6c757d;
  font-weight: 500;
  min-width: 60px;
  text-align: center;
  flex-shrink: 0;
}

.input-item.with-units .input-with-units input {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  border-right: 0;
}

.input-item.with-units .unit-display {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  border-left: 0;
  margin-left: -2px;
}

/* Unit validation states */
.unit-selector.error {
  border-color: #dc3545;
  background-color: #fff5f5;
}

.unit-selector.warning {
  border-color: #ffc107;
  background-color: #fffbf0;
}

.unit-selector.success {
  border-color: #28a745;
  background-color: #f0fff4;
}