frontend/src/index.css

/* Reset et styles de base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  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;
}

code {
  font-family: 'Fira Code', 'Monaco', 'Consolas', 'Ubuntu Mono', monospace;
}

#root {
  min-height: 100vh;
}

/* Styles pour les boutons */
.btn {
  border: none;
  padding: 12px 20px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.2s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn:active {
  transform: translateY(0);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

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

.btn-secondary {
  background: #f8f9fa;
  color: #495057;
  border: 1px solid #dee2e6;
}

.btn-danger {
  background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
  color: white;
}

/* Animation de chargement */
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Styles pour les status */
.status {
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
}

.status-uploaded {
  background: #e3f2fd;
  color: #1976d2;
}

.status-processing {
  background: #fff3e0;
  color: #f57c00;
}

.status-completed {
  background: #e8f5e8;
  color: #2e7d32;
}

.status-error {
  background: #ffebee;
  color: #c62828;
}