html, body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: auto;
    background: #0B1219;
    color-scheme: dark light;
    font-family: "Noto Sans", "Noto Sans JP", "Inter", "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

@media (prefers-color-scheme: light) {
    html, body {
        background: #f8fafb;
    }
}

* {
    box-sizing: border-box;
}

code, pre, .monospace {
    font-family: "JetBrains Mono", "Fira Code", "Cascadia Code", monospace;
}

.loading-spinner {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}