components/ApiKeyPrompt.tsx

import React, { useState } from 'react';

interface ApiKeyPromptProps {
    onKeySubmit: (key: string) => void;
}

const ApiKeyPrompt: React.FC<ApiKeyPromptProps> = ({ onKeySubmit }) => {
    const [inputKey, setInputKey] = useState('');

    const handleSubmit = (e: React.FormEvent) => {
        e.preventDefault();
        if (inputKey.trim().length > 0) {
            onKeySubmit(inputKey.trim());
        }
    };

    return (
        <div className="flex flex-col items-center justify-center min-h-[60vh] px-4">
            <div className="w-full max-w-md bg-white dark:bg-gray-800 rounded-xl shadow-lg border border-gray-200 dark:border-gray-700 p-8">
                <div className="text-center mb-8">
                    <div className="bg-green-100 dark:bg-green-900/30 w-16 h-16 rounded-full flex items-center justify-center mx-auto mb-4">
                        <svg className="w-8 h-8 text-green-600 dark:text-green-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path strokeLinecap="round" strokeLinejoin="round" strokeWidth="2" d="M15 7a2 2 0 012 2m4 0a6 6 0 01-7.743 5.743L11.536 9.636 10.072 11.107 8 9l-1-1 2.928-2.928A11.955 11.955 0 0117.618 5c.962 0 1.91.128 2.809.367A2.024 2.024 0 0020 8V7a2 2 0 012-2v1a2 2 0 01-2 2zM12 15v2m-6 4h12a2 2 0 002-2v-6a2 2 0 00-2-2H6a2 2 0 00-2 2v6a2 2 0 002 2zm10-10V7a4 4 0 00-8 0v4h8z" />
                        </svg>
                    </div>
                    <h2 className="text-2xl font-bold text-gray-900 dark:text-white mb-2">Enter API Key</h2>
                    <p className="text-gray-600 dark:text-gray-300">
                        To generate quizzes, this app requires your Google Gemini API key. 
                        The key is used locally in your browser and is never stored on our servers.
                    </p>
                </div>

                <form onSubmit={handleSubmit} className="space-y-6">
                    <div>
                        <label htmlFor="apiKey" className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-2">
                            Gemini API Key
                        </label>
                        <input
                            type="password"
                            id="apiKey"
                            value={inputKey}
                            onChange={(e) => setInputKey(e.target.value)}
                            className="w-full px-4 py-3 rounded-lg border border-gray-300 dark:border-gray-600 bg-white dark:bg-gray-700 text-gray-900 dark:text-white focus:ring-2 focus:ring-blue-500 focus:border-transparent outline-none transition-all"
                            placeholder="AIzaSy..."
                            required
                        />
                    </div>

                    <button
                        type="submit"
                        disabled={!inputKey}
                        className="w-full bg-blue-600 hover:bg-blue-700 text-white font-semibold py-3 px-4 rounded-lg transition-colors duration-200 disabled:opacity-50 disabled:cursor-not-allowed shadow-md"
                    >
                        Continue
                    </button>
                </form>

                <div className="mt-6 text-center text-sm">
                    <span className="text-gray-500 dark:text-gray-400">Don't have a key? </span>
                    <a 
                        href="https://aistudio.google.com/app/apikey" 
                        target="_blank" 
                        rel="noopener noreferrer"
                        className="text-blue-600 dark:text-blue-400 hover:underline font-medium"
                    >
                        Get one here
                    </a>
                </div>
            </div>
        </div>
    );
};

export default ApiKeyPrompt;