*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--bg:#ffffff;--surface:#f4f6f9;--border:#e2e8f0;--border-mid:#cbd5e1;--text:#0f172a;--text-dim:#475569;--text-muted:#64748b;--accent:#4a7dff;--accent-dim:rgba(74,125,255,0.12);--ok:#00e5a0;--warn:#f5a623;--danger:#ff3b3b;--meter-track:rgba(15,23,42,0.08);--serif:"Noto Serif KR","Apple SD Gothic Neo",serif;--mono:"DM Mono","Menlo",monospace;--sans:"Apple SD Gothic Neo","Malgun Gothic",sans-serif}body,html{height:100%;background:var(--bg);color:var(--text);font-family:var(--sans);-webkit-font-smoothing:antialiased}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}button{cursor:pointer;font-family:inherit}a{color:inherit;text-decoration:none}