* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #031772 0%, #0da1db 100%);
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }

        #tsparticles {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
        }

        .game-container {
            background: rgba(11, 11, 73, 0.837);
            border-radius: 20px;
            padding: 30px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
            max-width: 800px;
            width: 100%;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .brain-icon {
            width: 150px;
            height: 150px;
            background: url(/image/logo.gif)no-repeat center/cover;
            border-radius: 50%;
            margin: 0 auto 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 40px;
            color: white;
            transition: all 0.4s ease-in-out;
    cursor: pointer;
        }

        .brain-icon:hover{
            transform: scale(1.05) rotate(8deg);
    filter: drop-shadow(0 0 12px #ff00ff) drop-shadow(0 0 25px #00ffff);
        }

        h1 {
            color: #318be4;
            margin-bottom: 10px;
            font-size: 2.5em;
            font-weight: 700;
        }

        .subtitle {
            color: #7f8c8d;
            margin-bottom: 30px;
            font-size: 1.2em;
        }

        p{
color: #4ecdc4;
        }

        .screen {
            display: none;
        }

        .screen.active {
            display: block;
            animation: fadeIn 0.5s ease-in;
        }

        .start-btn,
        .next-btn,
        .submit-btn,
        .lang-btn {
            background: linear-gradient(45deg, #667eea, #764ba2);
            color: white;
            border: none;
            padding: 15px 40px;
            font-size: 1.2em;
            border-radius: 50px;
            cursor: pointer;
            margin: 20px 10px;
            transition: all 0.3s ease;
            font-weight: 600;
        }

        .start-btn:hover,
        .next-btn:hover,
        .submit-btn:hover,
        .lang-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(14, 65, 194, 0.788);
        }

        .question-image {
            width: 100%;
            max-width: 400px;
            height: 250px;
            border-radius: 15px;
            margin: 20px auto;
            overflow: hidden;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }

        .question-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .question-text {
            font-size: 1.4em;
            color: #1585f5;
            margin: 20px 0;
            line-height: 1.5;
        }

        .options-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 15px;
            margin: 30px 0;
        }

        .option {
            background: #f8f9fa;
            padding: 20px;
            border-radius: 15px;
            cursor: pointer;
            transition: all 0.3s ease;
            border: 2px solid transparent;
        }

        .option:hover {
            background: #e9ecef;
            transform: translateY(-2px);
        }

        .option.selected {
            border-color: #667eea;
            background: #0a75c1;
        }

        .progress-bar {
            width: 100%;
            height: 8px;
            background: #ecf0f1;
            border-radius: 4px;
            margin: 20px 0;
            overflow: hidden;
        }

        .progress {
            height: 100%;
            background: linear-gradient(90deg, #4ecdc4, #667eea);
            border-radius: 4px;
            transition: width 0.3s ease;
        }

        .score-display {
            font-size: 1.2em;
            color: #2c3e50;
            margin: 10px 0;
        }

        .result-message {
            font-size: 1.4em;
            margin: 20px 0;
            padding: 20px;
            border-radius: 15px;
        }

        .correct {
            background: #d4edda;
            color: #155724;
        }

        .incorrect {
            background: #f8d7da;
            color: #721c24;
        }

        .timer {
            font-size: 1.2em;
            color: #e74c3c;
            margin: 10px 0;
            font-weight: 600;
        }

        .high-score {
            font-size: 1.2em;
            color: #2c3e50;
            margin: 10px 0;
            font-weight: 600;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @media (max-width: 768px) {
            .game-container {
                padding: 20px;
                margin: 10px;
            }

            h1 {
                font-size: 2em;
            }

            .question-text {
                font-size: 1.2em;
            }

            .options-container {
                grid-template-columns: 1fr;
            }

            .brain-icon {
                width: 60px;
                height: 60px;
                font-size: 30px;
            }
        }

        @media (max-width: 480px) {

            .start-btn,
            .next-btn,
            .submit-btn,
            .lang-btn {
                padding: 12px 30px;
                font-size: 1em;
            }

            .question-image {
                height: 200px;
            }
        }

        /* Creator Credit Box */
        .creator-credit {
            position: fixed;
            bottom: 20px;
            right: 20px;
            background: url(https://media3.giphy.com/media/v1.Y2lkPTZjMDliOTUybW1lMHJnNzh4ejdqNmpiZHlsaHVzYjNjYTAzNHpjejljeWlwNW1hYSZlcD12MV9pbnRlcm5hbF9naWZfYnlfaWQmY3Q9Zw/3oFzmrqRPhYnFg9oGs/giphy.gif)no-repeat center/cover;
            border: 2px solid #26d9dc;
            border-radius: 12px;
            padding: 8px 16px;
            color: #ffffff;
            font-family: 'Arial', sans-serif;
            font-size: 12px;
            font-weight: 600;
            text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.428);
            box-shadow: 0 4px 15px rgba(220, 38, 38, 0.3),
                inset 0 1px 0 rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            z-index: 9999;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .creator-credit:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(220, 38, 38, 0.4),
                inset 0 1px 0 rgba(255, 255, 255, 0.2);
            border-color: #ef4444;
        }

        .creator-credit::before {
            content: '';
            position: absolute;
            bottom: -2px;
            left: -2px;
            right: -2px;
            bottom: -2px;
            background: linear-gradient(45deg, #dc2626, #ef4444, #f87171, #dc2626);
            border-radius: 14px;
            z-index: -1;
            animation: borderGlow 3s ease-in-out infinite;
        }

        @keyframes borderGlow {

            0%,
            100% {
                opacity: 0.6;
            }

            50% {
                opacity: 1;
            }
        }

        /* Responsive adjustments */
        @media (max-width: 640px) {
            .creator-credit {
                bottom: 10px;
                right: 10px;
                font-size: 11px;
                padding: 6px 12px;
            }
        }