frontend/src/components/shared/Spinner.jsx

export default function Spinner({ size = 24, className = '' }) {
  return (
    <svg
      width={size} height={size}
      viewBox="0 0 24 24" fill="none"
      className={`animate-spin ${className}`}
    >
      <circle cx="12" cy="12" r="10" stroke="currentColor" strokeWidth="2" strokeOpacity="0.2" />
      <path d="M12 2a10 10 0 0 1 10 10" stroke="currentColor" strokeWidth="2" strokeLinecap="round" />
    </svg>
  )
}

export function PageLoader() {
  return (
    <div className="min-h-screen flex items-center justify-center" style={{ background: 'var(--bg)' }}>
      <div className="flex flex-col items-center gap-4">
        <Spinner size={40} className="text-sky-500" />
        <p className="text-sm" style={{ color: 'var(--text-muted)' }}>Loading...</p>
      </div>
    </div>
  )
}