:root{--bg: #0f1115;--bg-elevated: #171a21;--text: #e8e8ec;--text-muted: #9aa0ab;--accent: #5eead4;--border: #2a2e37;--content-width: 960px;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}