:root{--bg: #f8fafc;--text: #0f172a;--muted: #475569;--border: #e2e8f0;--primary: #0f172a}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji";color:var(--text);background:var(--bg)}a{color:var(--text);text-decoration:none}a:hover{text-decoration:underline}header{background:#fff;border:1px solid var(--border);border-radius:12px;padding:12px 16px}.card{padding:16px;border:1px solid var(--border);border-radius:12px;background:#fff}.card .title{font-size:12px;color:var(--muted);margin-bottom:6px}.card .value{font-size:28px;font-weight:700}button{padding:6px 10px;border:1px solid var(--border);border-radius:8px;background:#fff;cursor:pointer}button:hover{background:#f1f5f9}table{background:#fff;border:1px solid var(--border);border-radius:12px;overflow:hidden}th,td{padding:10px 12px;border-bottom:1px solid var(--border)}th{background:#f8fafc;color:var(--muted);font-weight:600;font-size:12px}