:root{--primary:#2c3e50;--secondary:#0984e3;--success:#00b894;--danger:#d63031;--bg:#f5f6fa;--border:#dcdde1;--warn:#9a5b00;--warn-bg:#fbefd8;--src:#1f5fbf;--src-bg:#e6eefa;--dead:#9aa0a6;--next:#6c5ce7;--next-bg:#efeafe}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:Malgun Gothic,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:#2d3436;font-size:13px;line-height:1.5}h1{font-size:21px;padding-bottom:12px;border-bottom:3px solid var(--primary);margin:0 0 16px;color:var(--primary)}button{cursor:pointer;border:none;font-family:inherit}input,select{border:1px solid var(--border);border-radius:4px;font-size:13px;outline:none;font-family:inherit}input:focus,select:focus{border-color:var(--secondary)}a{color:var(--secondary);text-decoration:none}a:hover{text-decoration:underline}