:root {
    font-family: 'Segoe UI', 'Microsoft JhengHei', 'Microsoft YaHei', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: #0f172a;
    color: #e2e8f0;
    line-height: 1.6;
    --primary: #4ade80;
    --secondary: #22d3ee;
    --accent: #a855f7;
}

* {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

html {
    scroll-behavior: smooth;
}

::selection {
    background: rgba(74, 222, 128, 0.3);
    color: #ffffff;
}