:root{--bg: #0b0c10;--card: #111218;--text: #eaf0f1;--muted: #a9b0b3;--primary: #6aa7ff;--outline: #21222a}html,body{margin:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial}.container{max-width:900px;margin:40px auto;padding:0 16px}h1{margin:0 0 8px;font-size:28px}.sub{margin:0 0 24px;color:var(--muted)}