body {
    margin: 0;
    padding: 0;
    color: rgba(255, 255, 255, 0.87);
    background-color: #000000;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

#app {
    width: 100%;
    height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

#pixi-container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

/* Screen reader only content */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Loading state */
.loading-message {
    color: #ffffff;
    font-size: 1.2rem;
    text-align: center;
}

/* Responsive design */
@media (max-width: 768px) {
    body {
        font-size: 14px;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    body {
        background-color: #000000;
        color: #ffffff;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}