frontend/src/components/ProtectedRoute.jsx

import { Navigate } from "react-router-dom"
import { useAuth } from "../context/AuthContext"

export default function ProtectedRoute({ children }) {
  const { user, loading } = useAuth()

  if (loading) {
    return (
      <div style={{
        display: "flex",
        flexDirection: "column",
        alignItems: "center",
        justifyContent: "center",
        height: "80vh",
        gap: "1rem"
      }}>
        <div style={{
          width: "40px",
          height: "40px",
          border: "4px solid rgba(255, 255, 255, 0.1)",
          borderTop: "4px solid var(--accent-color)",
          borderRadius: "50%",
          animation: "spin 1s linear infinite"
        }} />
        <p style={{ color: "var(--text-secondary)", fontSize: "0.95rem" }}>Loading your session...</p>
        <style>{`
          @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
          }
        `}</style>
      </div>
    )
  }

  return user ? children : <Navigate to="/login" replace />
}