:root {
  --primary-color: #3498db;
  --secondary-color: #2ecc71;
  --background-color: #f4f6f7;
  --card-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

body {
  background-color: var(--background-color);
  font-family: 'Inter', 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
}

.container-fluid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

.card {
  border: none;
  border-radius: 15px;
  box-shadow: var(--card-shadow);
  transition: all 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
}

.card-header {
  background: linear-gradient(135deg, var(--primary-color), #2980b9);
  color: white;
  border-top-left-radius: 15px;
  border-top-right-radius: 15px;
}

.form-floating > label {
  color: var(--primary-color);
  opacity: 0.7;
}

.form-control, .form-select {
  border-radius: 10px;
  border-color: #e0e0e0;
  transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), #2980b9);
  border: none;
  border-radius: 10px;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  transform: scale(1.05);
  background: linear-gradient(135deg, #2980b9, var(--primary-color));
}

.barcode-container {
  background-color: white;
  border-radius: 15px;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.08);
  padding: 15px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.barcode-container:hover {
  transform: scale(1.03);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.12);
}

.barcode-unique-id {
  position: absolute;
  top: 10px;
  right: 10px;
  background-color: var(--secondary-color);
  color: white;
  padding: 5px 10px;
  border-radius: 5px;
  font-size: 0.8rem;
  z-index: 10;
}

.barcode-image {
  max-width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 10px;
  transition: transform 0.3s ease;
}

#barcodeResults .btn {
  margin: 0 10px 15px;
  border-radius: 10px;
}

#errorContainer .alert {
  z-index: 1050;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  opacity: 0.9;
}

#barcodeScannerModal .modal-dialog {
  max-width: 600px;
}

#barcodeScannerModal #cameraFeed {
  background-color: #f0f0f0;
  border-radius: 10px;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 250px;
  overflow: hidden;
}

#barcodeScannerModal #cameraFeed video,
#barcodeScannerModal #cameraFeed img {
  max-width: 100%;
  max-height: 250px;
  object-fit: contain;
}

#barcodeScannerModal .scanner-row {
  display: flex;
  gap: 15px;
}

#barcodeScannerModal #scannerResults {
  background-color: #f8f9fa;
  border-radius: 10px;
  padding: 15px;
  height: 250px;
  overflow-y: auto;
}

#barcodeScannerModal #uploadImageInput {
  margin-top: 15px;
}

@media (max-width: 768px) {
  .container-fluid {
    padding: 1rem;
  }
}