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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
            background: linear-gradient(135deg, #2ecc71 0%, #27ae60 100%);
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }

        .game-container {
            background: white;
            border-radius: 20px;
            padding: 30px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
            max-width: 1000px;
            width: 100%;
        }

        .game-header {
            text-align: center;
            margin-bottom: 30px;
        }

        .game-title {
            font-size: 2.5em;
            font-weight: 700;
            color: #2d3436;
            margin-bottom: 10px;
        }

        .game-subtitle {
            color: #636e72;
            font-size: 1.1em;
        }

        .game-canvas {
            border: 4px solid #2d3436;
            border-radius: 10px;
            display: block;
            margin: 0 auto;
            background: #2ecc71;
            cursor: crosshair;
        }

        .game-info {
            display: flex;
            justify-content: space-between;
            margin: 20px 0;
            font-weight: bold;
            color: #2d3436;
            font-size: 1.2em;
        }

        .player-info {
            color: #e74c3c;
        }

        .hole-info {
            color: #3498db;
        }

        .controls {
            text-align: center;
            margin-top: 20px;
            padding: 20px;
            background: #f8f9fa;
            border-radius: 10px;
        }

        .controls h3 {
            color: #2d3436;
            margin-bottom: 15px;
        }

        .control-item {
            display: inline-block;
            margin: 5px 15px;
            padding: 8px 16px;
            background: #2ecc71;
            color: white;
            border-radius: 20px;
            font-size: 0.9em;
        }

        .message {
            text-align: center;
            padding: 15px;
            border-radius: 10px;
            margin: 10px 0;
            font-weight: bold;
            display: none;
        }

        .message.show {
            display: block;
        }

        .message.hole-in-one {
            background: #f1c40f;
            color: #2d3436;
        }

        .message.good-shot {
            background: #55efc4;
            color: #2d3436;
        }

        .message.game-over {
            background: #fd79a8;
            color: white;
        }

        .start-button {
            display: block;
            margin: 20px auto;
            padding: 12px 30px;
            background: #2ecc71;
            color: white;
            border: none;
            border-radius: 25px;
            font-size: 1.1em;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .start-button:hover {
            background: #27ae60;
            transform: translateY(-2px);
        }

        .power-indicator {
            text-align: center;
            margin: 15px 0;
        }

        .power-bar {
            width: 300px;
            height: 20px;
            background: #ddd;
            border-radius: 10px;
            margin: 10px auto;
            overflow: hidden;
            border: 2px solid #2d3436;
        }

        .power-fill {
            height: 100%;
            background: linear-gradient(90deg, #00b894, #fdcb6e, #e17055);
            width: 0%;
            transition: width 0.1s ease;
        }

        .club-selector {
            text-align: center;
            margin: 15px 0;
        }

        .club-button {
            margin: 5px;
            padding: 8px 16px;
            background: #74b9ff;
            color: white;
            border: none;
            border-radius: 15px;
            cursor: pointer;
            font-size: 0.9em;
            transition: all 0.3s ease;
        }

        .club-button.active {
            background: #0984e3;
            transform: scale(1.1);
        }

        .club-button:hover {
            background: #0984e3;
        }

        @media (max-width: 768px) {
            .game-container {
                padding: 20px;
                margin: 10px;
            }
            
            .game-canvas {
                width: 100%;
                height: auto;
            }

            .game-info {
                flex-wrap: wrap;
                gap: 10px;
                justify-content: center;
            }

            .power-bar {
                width: 250px;
            }

            .control-item {
                display: block;
                margin: 5px 0;
            }
        }