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

        body {
            font-family: 'Arial', sans-serif;
            background: linear-gradient(to bottom, #a8e6cf 0%, #dcedc1 100%);
            min-height: 100vh;
            overflow-x: hidden;
        }

        /* Grass and flowers decoration */
        .decoration {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 100px;
            background: linear-gradient(to bottom, transparent 0%, #7cb342 50%, #558b2f 100%);
            z-index: 1;
        }

        .flower {
            position: fixed;
            bottom: 80px;
            font-size: 2em;
            animation: sway 3s infinite ease-in-out;
        }

        @keyframes sway {
            0%, 100% { transform: rotate(-5deg); }
            50% { transform: rotate(5deg); }
        }

        .container {
            max-width: 900px;
            margin: 0 auto;
            padding: 20px;
            position: relative;
            z-index: 10;
        }

        .header {
            text-align: center;
            margin-bottom: 20px;
            background: rgba(255, 255, 255, 0.9);
            padding: 20px;
            border-radius: 20px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        }

        .header h1 {
            color: #6d4c41;
            font-size: 2.5em;
            margin-bottom: 10px;
        }

        .progress-info {
            display: flex;
            justify-content: space-around;
            font-size: 1.2em;
            color: #5d4037;
            margin-top: 15px;
            flex-wrap: wrap;
            gap: 10px;
        }

        .progress-item {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .game-area {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 20px;
        }

        .question-panel {
            background: rgba(255, 255, 255, 0.95);
            padding: 30px;
            border-radius: 20px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        }

        .question {
            font-size: 3em;
            text-align: center;
            color: #6d4c41;
            margin-bottom: 30px;
            font-weight: bold;
        }

        .answers {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .answer-btn {
            font-size: 2em;
            padding: 20px;
            border: none;
            border-radius: 15px;
            cursor: pointer;
            transition: all 0.3s;
            font-weight: bold;
            color: white;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
        }

        .answer-btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
        }

        .answer-btn.option1 { background: linear-gradient(135deg, #ffb74d 0%, #ff9800 100%); }
        .answer-btn.option2 { background: linear-gradient(135deg, #81c784 0%, #66bb6a 100%); }
        .answer-btn.option3 { background: linear-gradient(135deg, #64b5f6 0%, #42a5f5 100%); }

        .answer-btn.shake {
            animation: shake 0.5s;
        }

        @keyframes shake {
            0%, 100% { transform: translateX(0); }
            25% { transform: translateX(-10px); }
            75% { transform: translateX(10px); }
        }

        .dog-panel {
            background: rgba(255, 255, 255, 0.95);
            padding: 20px;
            border-radius: 20px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: visible;
        }

        .dog-container {
            position: relative;
            margin: 30px 0;
        }

        .dog {
            font-size: 10em;
            transition: all 0.3s;
            display: inline-block;
            filter: drop-shadow(0 5px 10px rgba(0, 0, 0, 0.2));
        }

        .dog.happy {
            animation: jump 0.6s ease-out;
        }

        .dog.super-happy {
            animation: spin-jump 0.8s ease-out;
        }

        @keyframes jump {
            0%, 100% { transform: translateY(0) scale(1); }
            50% { transform: translateY(-30px) scale(1.1); }
        }

        @keyframes spin-jump {
            0%, 100% { transform: translateY(0) rotate(0deg) scale(1); }
            25% { transform: translateY(-40px) rotate(-10deg) scale(1.15); }
            50% { transform: translateY(-50px) rotate(0deg) scale(1.2); }
            75% { transform: translateY(-40px) rotate(10deg) scale(1.15); }
        }

        .reward {
            position: absolute;
            font-size: 3em;
            animation: float-to-dog 1s ease-out forwards;
            pointer-events: none;
            z-index: 100;
        }

        @keyframes float-to-dog {
            0% {
                transform: translate(0, 0) scale(0.5);
                opacity: 1;
            }
            70% {
                transform: translate(var(--x), var(--y)) scale(1.2);
                opacity: 1;
            }
            100% {
                transform: translate(var(--x), var(--y)) scale(0.3);
                opacity: 0;
            }
        }

        .collection {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            justify-content: center;
            margin-top: 20px;
            min-height: 60px;
            background: rgba(255, 255, 255, 0.5);
            padding: 15px;
            border-radius: 15px;
        }

        .collection-item {
            font-size: 2em;
            animation: pop-in 0.4s ease-out;
        }

        @keyframes pop-in {
            0% {
                transform: scale(0);
                opacity: 0;
            }
            50% {
                transform: scale(1.3);
            }
            100% {
                transform: scale(1);
                opacity: 1;
            }
        }

        .dog-status {
            font-size: 1.2em;
            color: #6d4c41;
            margin-top: 15px;
            text-align: center;
            min-height: 30px;
            font-weight: bold;
        }

        .end-screen {
            display: none;
            text-align: center;
            background: rgba(255, 255, 255, 0.95);
            padding: 40px;
            border-radius: 20px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        }

        .end-screen.show {
            display: block;
        }

        .end-screen h2 {
            font-size: 2.5em;
            color: #ff9800;
            margin-bottom: 20px;
        }

        .stats {
            font-size: 1.5em;
            color: #5d4037;
            margin: 20px 0;
        }

        .stats p {
            margin: 10px 0;
        }

        .tricks-learned {
            display: flex;
            gap: 10px;
            justify-content: center;
            flex-wrap: wrap;
            margin: 20px 0;
            font-size: 2em;
        }

        .btn-restart {
            font-size: 1.5em;
            padding: 15px 40px;
            background: linear-gradient(135deg, #ffb74d 0%, #ff9800 100%);
            color: white;
            border: none;
            border-radius: 10px;
            cursor: pointer;
            margin: 10px;
            transition: transform 0.3s;
        }

        .btn-restart:hover {
            transform: scale(1.05);
        }

        .paw-prints {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 0;
        }

        .paw-print {
            position: absolute;
            font-size: 2em;
            opacity: 0.1;
            transform: rotate(var(--rotate));
        }

        @media (max-width: 768px) {
            .game-area {
                grid-template-columns: 1fr;
            }

            .dog {
                font-size: 7em;
            }

            .header h1 {
                font-size: 2em;
            }

            .question {
                font-size: 2.5em;
            }
        }