:root{--bg:#0b0b0f;--fg:#f2f2f5;--muted:#9a9aa5;--accent:#9147ff;--like:#ff4d6d}html,body{background:var(--bg);height:100%;color:var(--fg);overscroll-behavior:none;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}body{touch-action:manipulation}