:root {
    --pastel-purple: #e7c6ff;
    --pastel-pink: #ffd6ff;
    --lavender: #c8b6ff;
    --light-purple: #b8c0ff;
    --light-blue: #bbd0ff;
    --white: #ffffff;
    --dark: #4a4a4a;
    --light-gray: #f8f9fa;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Poppins', sans-serif;
}

body {
    background: linear-gradient(135deg, var(--pastel-purple), var(--pastel-pink), var(--lavender), var(--light-purple), var(--light-blue));
    color: var(--dark);
    min-height: 100vh;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
}

@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.quiz-app {
    width: 90%;
    max-width: 600px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    padding: 30px;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.quiz-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(200, 182, 255, 0.3);
}

.quiz-progress {
    width: 100%;
    height: 10px;
    background-color: rgba(200, 182, 255, 0.2);
    border-radius: 5px;
    margin-bottom: 25px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--pastel-purple), var(--pastel-pink), var(--lavender));
    width: 0%;
    transition: width 0.4s ease;
}

.question-count {
    font-size: 16px;
    color: var(--lavender);
    font-weight: 600;
}

.score-display {
    background: linear-gradient(135deg, var(--pastel-pink), var(--lavender));
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-weight: 600;
    box-shadow: 0 3px 10px rgba(200, 182, 255, 0.3);
}

.question-container {
    margin-bottom: 30px;
}

.question-text {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 25px;
    color: var(--dark);
    line-height: 1.4;
        }
        
        .options-container {
            display: grid;
            grid-template-columns: 1fr;
            gap: 12px;
        }
        
        .option {
            display: flex;
            align-items: center;
            padding: 15px 20px;
            background-color: var(--light-gray);
            border-radius: 12px;
            cursor: pointer;
            transition: all 0.3s ease;
            border: 2px solid transparent;
        }
        
        .option:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(200, 182, 255, 0.2);
        }
        
        .option input {
            display: none;
        }
        
        .option.selected {
            border-color: var(--pastel-pink);
            background-color: rgba(255, 214, 255, 0.1);
        }
        
        .option.correct {
            border-color: #4caf50;
            background-color: rgba(76, 175, 80, 0.1);
        }
        
        .option.wrong {
            border-color: #f44336;
            background-color: rgba(244, 67, 54, 0.1);
        }
        
        .option-text {
            margin-left: 15px;
            font-size: 16px;
            font-weight: 500;
        }
        
        .quiz-footer {
            display: flex;
            justify-content: flex-end;
        }
        
        .btn {
            padding: 12px 30px;
            border: none;
            border-radius: 12px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .btn-primary {
            background: linear-gradient(135deg, var(--pastel-pink), var(--lavender));
            color: white;
            box-shadow: 0 4px 15px rgba(200, 182, 255, 0.4);
        }
        
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(200, 182, 255, 0.5);
            background: linear-gradient(135deg, var(--lavender), var(--pastel-pink));
        }
        
        .btn-primary:disabled {
            background: #e0e0e0;
            color: #a0a0a0;
            cursor: not-allowed;
            box-shadow: none;
            transform: none;
        }
        
        .result-container {
            text-align: center;
            padding: 30px 20px;
        }
        
        .result-title {
            font-size: 28px;
            margin-bottom: 20px;
            background: linear-gradient(135deg, var(--pastel-pink), var(--lavender), var(--light-purple));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            font-weight: 700;
        }
        
        .result-score {
            font-size: 72px;
            font-weight: 700;
            background: linear-gradient(135deg, var(--pastel-pink), var(--lavender), var(--light-blue));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin: 20px 0;
        }
        
        .result-text {
            font-size: 18px;
            margin-bottom: 30px;
            color: #555;
        }
        
        .emoji {
            font-size: 60px;
            margin-bottom: 20px;
        }
        
        .confetti {
            position: absolute;
            width: 10px;
            height: 10px;
            background: var(--pastel-pink);
            opacity: 0;
        }
        
        @media (max-width: 768px) {
            .quiz-app {
                padding: 25px;
            }
            
            .question-text {
                font-size: 20px;
            }
            
            .result-score {
                font-size: 60px;
            }
        }