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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }

        .game-container {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-radius: 24px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
            padding: 40px;
            max-width: 600px;
            width: 100%;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .game-container::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, #4facfe 0%, #00f2fe 100%);
        }

        h1 {
            color: #2d3748;
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 10px;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        }

        .subtitle {
            color: #718096;
            font-size: 1.1rem;
            margin-bottom: 40px;
            font-weight: 400;
        }

        .score-board {
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
            border-radius: 16px;
            padding: 20px;
            margin-bottom: 30px;
            box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.06);
        }

        .score-item {
            text-align: center;
            flex: 1;
        }

        .score-label {
            font-size: 0.9rem;
            color: #718096;
            margin-bottom: 5px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            font-weight: 600;
        }

        .score-value {
            font-size: 2rem;
            font-weight: 700;
            color: #2d3748;
        }

        .game-area {
            display: flex;
            justify-content: space-around;
            align-items: center;
            margin: 40px 0;
            position: relative;
        }

        .player-section {
            text-align: center;
            flex: 1;
        }

        .player-choice {
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: linear-gradient(135deg, #e2e8f0 0%, #cbd5e0 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3.5rem;
            margin: 0 auto 15px;
            border: 3px solid #e2e8f0;
            transition: all 0.3s ease;
            box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
        }

        .player-choice.winner {
            border-color: #48bb78;
            box-shadow: 0 0 20px rgba(72, 187, 120, 0.3);
            transform: scale(1.05);
        }

        .vs-divider {
            font-size: 1.5rem;
            font-weight: 700;
            color: #4a5568;
            margin: 0 20px;
            opacity: 0.7;
        }

        .choices-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 15px;
            margin: 40px 0;
        }

        .choice-btn {
            background: linear-gradient(135deg, #4299e1 0%, #3182ce 100%);
            border: none;
            border-radius: 16px;
            padding: 20px;
            font-size: 2.5rem;
            color: white;
            cursor: pointer;
            transition: all 0.2s ease;
            box-shadow: 0 4px 12px rgba(66, 153, 225, 0.3);
            position: relative;
            overflow: hidden;
        }

        .choice-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: left 0.5s;
        }

        .choice-btn:hover::before {
            left: 100%;
        }

        .choice-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(66, 153, 225, 0.4);
        }

        .choice-btn:active {
            transform: translateY(0);
        }

        .choice-btn.rock {
            background: linear-gradient(135deg, #ed8936 0%, #dd6b20 100%);
            box-shadow: 0 4px 12px rgba(237, 137, 54, 0.3);
        }

        .choice-btn.paper {
            background: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
            box-shadow: 0 4px 12px rgba(72, 187, 120, 0.3);
        }

        .choice-btn.scissors {
            background: linear-gradient(135deg, #e53e3e 0%, #c53030 100%);
            box-shadow: 0 4px 12px rgba(229, 62, 62, 0.3);
        }

        .choice-label {
            display: block;
            font-size: 0.9rem;
            margin-top: 8px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .result-message {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 20px 0;
            min-height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #2d3748;
        }

        .result-message.win {
            color: #48bb78;
        }

        .result-message.lose {
            color: #e53e3e;
        }

        .result-message.tie {
            color: #4299e1;
        }

        .reset-btn {
            background: linear-gradient(135deg, #718096 0%, #4a5568 100%);
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 12px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
            margin-top: 20px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .reset-btn:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(113, 128, 150, 0.3);
        }

        .game-instructions {
            background: #f7fafc;
            border-left: 4px solid #4299e1;
            padding: 15px 20px;
            border-radius: 0 12px 12px 0;
            margin-top: 30px;
            text-align: left;
        }

        .instructions-title {
            font-weight: 600;
            color: #2d3748;
            margin-bottom: 8px;
        }

        .instructions-text {
            color: #718096;
            font-size: 0.9rem;
            line-height: 1.5;
        }

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

            h1 {
                font-size: 2rem;
            }

            .choices-grid {
                gap: 10px;
            }

            .choice-btn {
                padding: 15px;
                font-size: 2rem;
            }

            .player-choice {
                width: 80px;
                height: 80px;
                font-size: 2.5rem;
            }

            .game-area {
                margin: 20px 0;
            }
        }

        .fade-in {
            animation: fadeIn 0.5s ease-in;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(10px);
            }

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

        .pulse {
            animation: pulse 1s infinite;
        }

        @keyframes pulse {

            0%,
            100% {
                transform: scale(1);
            }

            50% {
                transform: scale(1.05);
            }
        }