body {
  font-family: 'Inter', sans-serif;
}

.file-item {
  animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.pulse-ring {
  animation: pulse-ring 1.5s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.33); }
  40%, 50% { opacity: 1; }
  100% { opacity: 0; transform: scale(1.2); }
}

.gradient-bg {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.code-input {
  transition: all 0.2s ease-in-out;
}

.code-input:focus {
  transform: scale(1.05);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.code-input.filled {
  background-color: #dbeafe;
  border-color: #2563eb;
}

.scanner-overlay {
  background: linear-gradient(to right, transparent 0%, rgba(59, 130, 246, 0.1) 50%, transparent 100%);
  animation: scan 2s linear infinite;
}

@keyframes scan {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.fade-in {
  animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}