:root{--bg: #12151c;--amber: #f5b544;--green: #46d38a;--red: #f2645f;--text: #e7ebf2;--muted: #8a94a6;--card: #1a202b;--border: #272f3d}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,Segoe UI,Roboto,sans-serif}