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

body {
    font-family: 'Arial Rounded MT Bold', 'Arial', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #1a2a6c, #b21f1f, #fdbb2d);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
    color: #fff;
}

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

.game-container {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

h1 {
    color: #fff;
    margin-bottom: 20px;
    font-size: 2.5em;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    letter-spacing: 1px;
}

.score {
    font-size: 1.8em;
    margin: 15px 0;
    color: #fff;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

#gameCanvas {
    background-color: rgba(0, 0, 0, 0.2);
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s;
}

#gameCanvas:hover {
    transform: scale(1.02);
}

.controls {
    margin-top: 25px;
    display: flex;
    justify-content: center;
    gap: 15px;
}

button {
    padding: 12px 25px;
    font-size: 1.1em;
    cursor: pointer;
    background: linear-gradient(45deg, #2193b0, #6dd5ed);
    color: white;
    border: none;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    text-transform: uppercase;
    font-weight: bold;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

button:active {
    transform: translateY(1px);
}

button:disabled {
    background: #95a5a6;
    transform: none;
    box-shadow: none;
    cursor: not-allowed;
}

/* Responsive Design */
@media (max-width: 500px) {
    .game-container {
        width: 95%;
        padding: 15px;
    }
    
    #gameCanvas {
        width: 100%;
        height: auto;
    }
    
    .controls {
        flex-direction: column;
        align-items: center;
    }
    
    button {
        width: 100%;
        margin: 5px 0;
    }
}