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

body {
    background-color: #1a1a1a;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.container {
    text-align: center;
}

#pixelCanvas {
    width: 512px;
    height: 512px;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    background-color: #000;
    cursor: pointer;
    transition: transform 0.1s ease;
}

#pixelCanvas:active {
    transform: scale(0.98);
}

.buttons {
    margin-top: 24px;
    display: flex;
    gap: 12px;
    justify-content: center;
}

.btn {
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 500;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

#regenBtn {
    background-color: #3b82f6;
    color: white;
}

#regenBtn:hover {
    background-color: #2563eb;
}

#downloadBtn {
    background-color: #22c55e;
    color: white;
}

#downloadBtn:hover {
    background-color: #16a34a;
}

.btn:active {
    transform: scale(0.95);
}

.hint {
    color: #666;
    margin-top: 16px;
    font-size: 14px;
    letter-spacing: 0.5px;
}

@media (max-width: 600px) {
    #pixelCanvas {
        width: 320px;
        height: 320px;
    }
}