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

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
}

.game-container {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    background: linear-gradient(45deg, #fff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.game-info {
    display: flex;
    justify-content: space-around;
    margin-bottom: 20px;
    font-size: 1.2rem;
    font-weight: bold;
}

.game-info div {
    background: rgba(255, 255, 255, 0.2);
    padding: 10px 20px;
    border-radius: 25px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

#gameCanvas {
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 15px;
    background: #1a1a2e;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    margin: 20px 0;
}

.controls {
    margin-top: 20px;
    font-size: 1.1rem;
}

.controls p {
    margin: 10px 0;
    opacity: 0.9;
}

button {
    background: linear-gradient(45deg, #ff6b6b, #ee5a6f);
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 1.1rem;
    font-weight: bold;
    border-radius: 30px;
    cursor: pointer;
    margin: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    background: linear-gradient(45deg, #ee5a6f, #ff6b6b);
}

button:active {
    transform: translateY(0);
}

.game-over, .level-complete {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.9);
    padding: 40px;
    border-radius: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    text-align: center;
    z-index: 1000;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.game-over h2, .level-complete h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #ff6b6b;
}

.level-complete h2 {
    color: #4ecdc4;
}

.hidden {
    display: none;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.pulse {
    animation: pulse 0.5s ease-in-out;
}

/* Responsive design */
@media (max-width: 900px) {
    .game-container {
        padding: 20px;
    }
    
    #gameCanvas {
        width: 100%;
        max-width: 800px;
        height: auto;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .game-info {
        flex-direction: column;
        gap: 10px;
    }
}