:root { --bg:#0f1419; --fg:#e6edf3; --dim:#8b98a5; --line:#22303c; --accent:#2f9e44; }
* { box-sizing: border-box; }
body { margin:0; background:var(--bg); color:var(--fg);
  font:15px/1.5 system-ui, -apple-system, Segoe UI, sans-serif; }
header { display:flex; justify-content:space-between; align-items:center;
  padding:12px 20px; border-bottom:1px solid var(--line); }
.brand { font-weight:700; letter-spacing:.02em; }
nav { display:flex; gap:10px; align-items:center; }
nav .bal { color:var(--accent); font-variant-numeric:tabular-nums; }
button { background:var(--accent); color:#fff; border:0; padding:7px 14px;
  border-radius:6px; cursor:pointer; font:inherit; }
main { padding:20px; }
.table-row { display:grid; grid-template-columns:1fr 1fr auto auto; gap:12px;
  padding:12px; border:1px solid var(--line); border-radius:8px; margin-bottom:8px; }
#client { width:100%; height:76vh; border:1px solid var(--line); border-radius:8px; }
.modal { position:fixed; inset:0; background:rgba(0,0,0,.7);
  display:flex; align-items:center; justify-content:center; }
.modal-box { background:#161b22; border:1px solid var(--line); border-radius:10px;
  padding:24px; min-width:340px; max-width:90vw; max-height:85vh; overflow:auto;
  position:relative; }
.close { position:absolute; top:8px; right:8px; background:none; color:var(--dim);
  font-size:22px; }
form { display:flex; flex-direction:column; gap:10px; }
input { background:#0d1117; border:1px solid var(--line); color:var(--fg);
  padding:9px; border-radius:6px; font:inherit; }
table { width:100%; border-collapse:collapse; font-variant-numeric:tabular-nums; }
td { padding:6px 8px; border-bottom:1px solid var(--line); }
.err { color:#f85149; min-height:1.2em; }