@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@200;400;600&display=swap');
        
        * {
            box-sizing: border-box;
            
        }
        
        body {
            background-color: #b8c6db;
            background-image: linear-gradient(315deg, #b8c6db 0%, #f5f7fa 100%);
            font-family: 'Poppins', sans-serif;
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 100vh;
            margin: 0;
            padding: 20px;
        }
        
        .container {
            background-color: rgb(62, 224, 62);
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            width: 100%;
            max-width: 700px;
            overflow: hidden;
            position: relative;
        }
        
        .tab-buttons {
            display: flex;
            background-color: #f8f9fa;
            border-bottom: 1px solid #e9ecef;
        }
        
        .tab-button {
            flex: 1;
            padding: 15px 20px;
            background: none;
            border: none;
            cursor: pointer;
            font-family: inherit;
            font-size: 16px;
            font-weight: 600;
            color: #6c757d;
            transition: all 0.3s ease;
        }
        
        .tab-button.active {
            background-color: #8e44ad;
            color: white;
        }
        
        .tab-button:hover:not(.active) {
            background-color: #e9ecef;
        }
        
        .tab-content {
            display: none;
            padding: 40px;
        }
        
        .tab-content.active {
            display: block;
        }
        
        /* Quiz Editor Styles */
        .quiz-editor h2 {
            text-align: center;
            margin-bottom: 30px;
            color: #2c3e50;
        }
        
        .quiz-title-section {
            margin-bottom: 30px;
        }
        
        .quiz-title-section label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #2c3e50;
        }
        
        .quiz-title-section input {
            width: 100%;
            padding: 12px;
            border: 2px solid #e9ecef;
            border-radius: 8px;
            font-family: inherit;
            font-size: 16px;
            transition: border-color 0.3s ease;
        }
        
        .quiz-title-section input:focus {
            outline: none;
            border-color: #8e44ad;
        }
        
        .question-item {
            background-color: #f8f9fa;
            border-radius: 12px;
            padding: 25px;
            margin-bottom: 20px;
            border: 2px solid transparent;
            transition: all 0.3s ease;
        }
        
        .question-item:hover {
            border-color: #8e44ad;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(142, 68, 173, 0.1);
        }
        
        .question-header {
            display: flex;
            justify-content: between;
            align-items: center;
            margin-bottom: 15px;
        }
        
        .question-number {
            font-weight: 600;
            color: #8e44ad;
            font-size: 18px;
        }
        
        .delete-question {
            background-color: #e74c3c;
            color: white;
            border: none;
            padding: 8px 12px;
            border-radius: 6px;
            cursor: pointer;
            font-size: 14px;
            transition: background-color 0.3s ease;
        }
        
        .delete-question:hover {
            background-color: #c0392b;
        }
        
        .question-input, .answer-input {
            width: 100%;
            padding: 12px;
            border: 2px solid #e9ecef;
            border-radius: 8px;
            font-family: inherit;
            font-size: 14px;
            margin-bottom: 10px;
            transition: border-color 0.3s ease;
        }
        
        .question-input:focus, .answer-input:focus {
            outline: none;
            border-color: #8e44ad;
        }
        
        .answers-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
            margin: 15px 0;
        }
        
        .answer-option {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .answer-option input[type="radio"] {
            transform: scale(1.2);
            accent-color: #8e44ad;
        }
        
        .add-question, .generate-link, .save-quiz {
            background-color: #8e44ad;
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 8px;
            cursor: pointer;
            font-family: inherit;
            font-size: 16px;
            font-weight: 600;
            margin: 10px 5px;
            transition: all 0.3s ease;
        }
        
        .add-question:hover, .generate-link:hover, .save-quiz:hover {
            background-color: #732d91;
            transform: translateY(-2px);
        }
        
        .share-section {
            background-color: #e8f5e8;
            padding: 20px;
            border-radius: 10px;
            margin-top: 20px;
        }
        
        .share-link {
            width: 100%;
            padding: 12px;
            background-color: white;
            border: 2px solid #27ae60;
            border-radius: 8px;
            font-family: 'Courier New', monospace;
            word-break: break-all;
        }
        
        .copy-button {
            background-color: #27ae60;
            color: white;
            border: none;
            padding: 10px 20px;
            border-radius: 6px;
            cursor: pointer;
            margin-top: 10px;
            font-family: inherit;
            transition: background-color 0.3s ease;
        }
        
        .copy-button:hover {
            background-color: #219a52;
        }
        
        /* Quiz Taking Styles */
        .quiz-header {
            text-align: center;
            margin-bottom: 30px;
        }
        
        .quiz-header h2 {
            color: #2c3e50;
            margin-bottom: 10px;
        }
        
        .quiz-info {
            color: #7f8c8d;
            font-size: 14px;
        }
        
        .question-container {
            background-color: #f8f9fa;
            padding: 30px;
            border-radius: 12px;
            margin-bottom: 25px;
        }
        
        .question-text {
            font-size: 20px;
            font-weight: 600;
            color: #2c3e50;
            margin-bottom: 25px;
            line-height: 1.5;
        }
        
        .answers-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .answer-item {
            background-color: white;
            margin: 12px 0;
            border-radius: 10px;
            border: 2px solid #e9ecef;
            transition: all 0.3s ease;
            cursor: pointer;
        }
        
        .answer-item:hover {
            border-color: #8e44ad;
            transform: translateX(5px);
        }
        
        .answer-item label {
            display: block;
            padding: 18px 20px;
            cursor: pointer;
            font-size: 16px;
            transition: color 0.3s ease;
        }
        
        .answer-item input[type="radio"] {
            margin-right: 12px;
            transform: scale(1.3);
            accent-color: #8e44ad;
        }
        
        .submit-button {
            background: linear-gradient(45deg, #8e44ad, #9b59b6);
            color: white;
            border: none;
            padding: 15px 40px;
            border-radius: 10px;
            cursor: pointer;
            font-family: inherit;
            font-size: 18px;
            font-weight: 600;
            width: 100%;
            transition: all 0.3s ease;
        }
        
        .submit-button:hover {
            background: linear-gradient(45deg, #732d91, #8e44ad);
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(142, 68, 173, 0.3);
        }
        
        .results {
            text-align: center;
            padding: 40px;
        }
        
        .score {
            font-size: 48px;
            font-weight: 600;
            color: #8e44ad;
            margin-bottom: 20px;
        }
        
        .score-text {
            font-size: 24px;
            color: #2c3e50;
            margin-bottom: 30px;
        }
        
        .retry-button {
            background-color: #3498db;
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 8px;
            cursor: pointer;
            font-family: inherit;
            font-size: 16px;
            font-weight: 600;
            transition: background-color 0.3s ease;
        }
        
        .retry-button:hover {
            background-color: #2980b9;
        }
        
        .message {
            padding: 15px;
            border-radius: 8px;
            margin: 15px 0;
            font-weight: 600;
        }
        
        .success {
            background-color: #d4edda;
            color: #155724;
            border: 1px solid #c3e6cb;
        }
        
        .error {
            background-color: #f8d7da;
            color: #721c24;
            border: 1px solid #f5c6cb;
        }
        
        .hidden {
            display: none;
        }