:root{--vertex-bg:#0d0d0d;--vertex-card:#141414;--vertex-elevated:#1a1a1a;--vertex-border:#333;--vertex-border-subtle:#282828;--vertex-accent:#3b82f6;--vertex-accent-light:#60a5fa;--vertex-accent-dark:#2563eb;--vertex-text-primary:#fff;--vertex-text-secondary:#a1a1a1;--vertex-text-muted:#666}*{box-sizing:border-box;margin:0;padding:0}html,body{background-color:var(--vertex-bg);max-width:100vw;color:var(--vertex-text-primary);overflow-x:hidden}:focus-visible{outline:2px solid var(--vertex-accent);outline-offset:2px}html{scroll-behavior:smooth}::selection{color:#fff;background-color:#3b82f64d}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--vertex-bg)}::-webkit-scrollbar-thumb{background:var(--vertex-border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--vertex-text-muted)}