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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    overflow: hidden;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
    width: 100vw;
    height: 100vh;
    position: relative;
}

#canvas-container {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    cursor: none;
}

.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    transition: opacity 0.5s ease-out;
}

.loading.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top: 3px solid #00d4ff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading p {
    color: #00d4ff;
    margin-top: 20px;
    font-size: 18px;
    letter-spacing: 2px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    body {
        cursor: auto;
    }
    
    #canvas-container {
        cursor: auto;
    }
}

@media (max-width: 480px) {
    .loading p {
        font-size: 14px;
    }
    
    .loading-spinner {
        width: 40px;
        height: 40px;
    }
}

/* Ensure proper rendering on high-DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}