:root {
  --paper: #E9E7DE;
  --ink: #21332E;
  --rule: #C9C2AE;
  --brass: #8C6A2F;
  --positive: #3A6B52;
  --due: #A3432B;
  --surface: #FFFFFF;
  --font-display: 'Iowan Old Style', 'Palatino Linotype', 'Book Antiqua', Georgia, serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'IBM Plex Mono', 'SF Mono', ui-monospace, Menlo, monospace;
}

* { box-sizing: border-box; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  margin: 0;
  padding: 0 0 60px;
}

.wrap { max-width: 1100px; margin: 0 auto; padding: 28px 20px; }

h1, h2, h3 { font-family: var(--font-display); font-weight: 600; margin: 0 0 14px; }

.eyebrow {
  font-size: 11px; letter-spacing: 0.12em; color: var(--brass);
  font-weight: 700; text-transform: uppercase; margin-bottom: 4px;
}

nav.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--rule); margin-bottom: 22px; flex-wrap: wrap; }
nav.tabs a {
  padding: 9px 16px; border-radius: 3px 3px 0 0; text-decoration: none; color: #6b6455;
  font-size: 13.5px; font-weight: 600; border: 1px solid transparent;
}
nav.tabs a.active { background: var(--surface); border-color: var(--rule); border-bottom-color: var(--surface); color: var(--ink); }

.topbar { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 22px; flex-wrap: wrap; gap: 10px; }
.topbar .user { font-size: 12.5px; color: #6b6455; }
.topbar .user a { color: var(--due); }

.card { background: var(--surface); border: 1px solid var(--rule); border-radius: 4px; padding: 18px; margin-bottom: 20px; }

.stats { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 22px; }
.stat { background: var(--surface); border: 1px solid var(--rule); border-radius: 4px; padding: 16px 18px; flex: 1; min-width: 170px; }
.stat .label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: #6b6455; margin-bottom: 8px; }
.stat .value { font-family: var(--font-mono); font-size: 24px; font-weight: 700; }
.stat .sub { font-size: 11.5px; color: #8a8272; margin-top: 4px; }
.positive { color: var(--positive); }
.due { color: var(--due); }

table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th {
  text-align: left; font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase;
  color: #6b6455; padding: 8px 10px; border-bottom: 1.5px solid var(--rule); font-weight: 600;
}
td { padding: 9px 10px; border-bottom: 1px solid var(--rule); }
tr:hover td { background: rgba(140,106,47,0.045); }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.right { text-align: right; }

.stamp {
  display: inline-block; font-size: 10.5px; font-weight: 700; letter-spacing: 0.08em;
  padding: 2px 8px; border-radius: 2px; border: 1.4px solid currentColor; text-transform: uppercase;
}

input, select {
  border: 1px solid var(--rule); border-radius: 3px; padding: 7px 9px; font-size: 13.5px;
  font-family: var(--font-body); background: #fff; color: var(--ink); width: 100%;
}
input:focus, select:focus { outline: none; border-color: var(--brass); box-shadow: 0 0 0 2px rgba(140,106,47,0.15); }
label.field { display: block; font-size: 11px; color: #6b6455; margin-bottom: 4px; }

.btn {
  display: inline-flex; align-items: center; gap: 6px; background: var(--ink); color: #F3F1E9;
  border: none; border-radius: 3px; padding: 9px 15px; font-size: 13px; cursor: pointer;
  font-family: var(--font-body); font-weight: 600; letter-spacing: 0.02em; text-decoration: none;
}
.btn:hover { background: #142120; }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--rule); }
.btn-ghost:hover { border-color: var(--brass); }
.btn-danger { color: var(--due); }

.form-grid { display: grid; gap: 10px; margin-bottom: 12px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }
.grid-6 { grid-template-columns: repeat(6, 1fr); }
@media (max-width: 800px) { .grid-4, .grid-5, .grid-6 { grid-template-columns: 1fr 1fr; } }

.empty { color: #8a8272; font-size: 13px; padding: 10px 0; }
.error { background: #fbeeeb; border: 1px solid var(--due); color: var(--due); padding: 10px 14px; border-radius: 4px; font-size: 13.5px; margin-bottom: 16px; }
.login-box { max-width: 360px; margin: 80px auto; }