:root {
  --bg: #fafaf7;
  --fg: #1a1a1a;
  --muted: #6b6b6b;
  --accent: #2d6cdf;
  --neg-bg: #fde8e8;
  --neg-fg: #b91c1c;
  --border: #e5e5e0;
  --card: #ffffff;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  line-height: 1.5;
}

header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 2rem;
}
header h1 { margin: 0; font-size: 1.1rem; font-weight: 600; letter-spacing: -0.01em; }
header .subtitle { color: var(--muted); font-size: 0.85rem; margin-top: 0.15rem; }

main {
  max-width: 760px;
  margin: 2rem auto;
  padding: 0 2rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}
thead th {
  text-align: left;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  font-weight: 500;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}
tbody td {
  padding: 0.55rem 1rem;
  border-bottom: 1px solid var(--border);
}
tbody tr:last-child td { border-bottom: none; }

.right { text-align: right; }
.num   { font-variant-numeric: tabular-nums; font-family: "SF Mono", Menlo, Consolas, monospace; }
.neg   { background: var(--neg-bg); color: var(--neg-fg); font-weight: 500; }
.neg .num { color: var(--neg-fg); }

footer {
  max-width: 760px;
  margin: 2rem auto;
  padding: 0 2rem;
  color: var(--muted);
  font-size: 0.8rem;
}