:root{--bg:#0d1117;--surface:#161b22;--surface-raised:#1c2330;--border:#2a3240;--text:#e6edf3;--text-dim:#8b949e;--accent:#4c8dff;--accent-soft:rgba(76,141,255,0.15);--danger:#f47067;--danger-soft:rgba(244,112,103,0.12);--success:#57ab5a;--success-soft:rgba(87,171,90,0.12);--warning:#d4a72c;--warning-soft:rgba(212,167,44,0.12);--radius:10px;--font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Apple SD Gothic Neo","Noto Sans KR",sans-serif;--font-mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,monospace}*{box-sizing:border-box;margin:0;padding:0}body,html{min-height:100%}body{background:var(--bg);color:var(--text);font-family:var(--font-sans);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer}button,input{font:inherit}