*{box-sizing:border-box}:root{--accent: #3b5bdb;--accent-hover: #3049b8;--text: #1f2430;--muted: #5f6675;--border: #dde1e8;--surface: #f5f7fa;--mono: ui-monospace, SFMono-Regular, Menlo, monospace}html,body{margin:0;height:100%;color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
