frontend/src/index.css

@tailwind base;
@tailwind components;
@tailwind utilities;

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
}

.glass-morphism {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}

.upload-zone {
  border: 2px dashed #cbd5e1;
  transition: all 0.3s ease;
}

.upload-zone:hover {
  border-color: #0ea5e9;
  background-color: #f0f9ff;
}

.upload-zone.drag-active {
  border-color: #0ea5e9;
  background-color: #e0f2fe;
  transform: scale(1.02);
}

/* Scanning animation */
.scanning-line {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(to right, transparent, #0ea5e9, transparent);
  box-shadow: 0 0 10px #0ea5e9;
  animation: scan 2s linear infinite;
}

@keyframes scan {
  0% {
    top: 0;
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    top: 100%;
    opacity: 0;
  }
}

/* Custom slider styles */
input[type="range"].slider {
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
}

input[type="range"].slider::-webkit-slider-track {
  background: #e5e7eb;
  height: 8px;
  border-radius: 4px;
}

input[type="range"].slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0ea5e9, #0284c7);
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  margin-top: -6px;
}

input[type="range"].slider::-webkit-slider-thumb:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

input[type="range"].slider::-moz-range-track {
  background: #e5e7eb;
  height: 8px;
  border-radius: 4px;
}

input[type="range"].slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0ea5e9, #0284c7);
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  border: none;
}

input[type="range"].slider::-moz-range-thumb:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}