:root{--bg:#f5f5f2;--ink:#1d1b18;--muted:#6f685e;--card:#fffdf7;--line:#ded7cb;--ok:#2f8f4e;--bad:#b34132}*{box-sizing:border-box}body{color:var(--ink);background:radial-gradient(circle at 20% 10%,#ece4d8 0,transparent 45%),radial-gradient(circle at 80% 80%,#d7e8dd 0,transparent 40%),var(--bg);margin:0;font-family:IBM Plex Sans,Segoe UI,sans-serif}main{max-width:1200px;margin:0 auto;padding:24px}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px}.grid{gap:12px;display:grid}.grid.cols-4{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}label{color:var(--muted);margin-bottom:4px;font-size:13px;display:block}input{border:1px solid var(--line);background:#fff;border-radius:10px;width:100%;padding:10px}button{color:#fff;cursor:pointer;background:#1d1b18;border:0;border-radius:10px;padding:10px 14px}table{border-collapse:collapse;width:100%;font-size:13px}th,td{text-align:left;border-bottom:1px solid var(--line);padding:8px}.small{color:var(--muted);font-size:12px}.pos{color:var(--ok)}.neg{color:var(--bad)}