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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    color: #333;
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

h1 {
    font-size: 2.5rem;
    font-weight: 300;
    text-align: center;
    margin-bottom: 3rem;
    color: #2c3e50;
    letter-spacing: -0.5px;
}

#canvas-container {
    width: 100%;
    max-width: 500px;
    height: 500px;
    display: flex;
    justify-content: center;
    align-items: center;
}

#canvas-container canvas {
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

footer {
    background: rgba(255, 255, 255, 0.8);
    padding: 1.5rem;
    text-align: center;
    color: #666;
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    padding: 1.5rem;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.cookie-banner.hidden {
    display: none;
}

.cookie-banner p {
    margin: 0;
    color: #333;
    font-size: 0.95rem;
}

.cookie-banner button {
    margin-left: 1rem;
    padding: 0.5rem 1.5rem;
    background: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background 0.3s;
}

.cookie-banner button:hover {
    background: #2980b9;
}

@media (max-width: 768px) {
    h1 {
        font-size: 1.8rem;
    }
    
    #canvas-container {
        max-width: 90vw;
        height: 90vw;
    }
    
    .cookie-banner {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-banner button {
        margin-left: 0;
        margin-top: 1rem;
    }
}