:root {
  --paper: #EDE6D6;
  --paper-line: #D9CFB8;
  --ink: #232C3D;
  --ink-soft: #2C3650;
  --kraft: #B08655;
  --stamp-green: #3C6E47;
  --stamp-red: #B23A34;
  --charcoal: #2A2622;
  --cream-card: #F7F3E8;
  --muted-text: #6b6355;
  --faint-text: #8A8172;
}

body {
  background-color: var(--paper);
  color: var(--charcoal);
  font-family: 'IBM Plex Sans', sans-serif;
}

.font-display { font-family: 'Special Elite', monospace; }
.font-mono { font-family: 'IBM Plex Mono', monospace; }
.text-muted-ledger { color: var(--muted-text); }
.text-faint { color: var(--faint-text); }
.text-kraft { color: var(--kraft); }
.text-stamp-green { color: var(--stamp-green); }
.text-stamp-red { color: var(--stamp-red); }
.bg-ink { background-color: var(--ink); }
.bg-kraft { background-color: var(--kraft); }
.bg-cream-card { background-color: var(--cream-card); }
.border-paper-line { border-color: var(--paper-line) !important; }

.stamp {
  font-family: 'Special Elite', monospace;
  display: inline-block;
  letter-spacing: 0.05em;
  transform: rotate(-3deg);
  font-size: 11px;
  border-width: 1.5px;
  border-style: solid;
  border-radius: 4px;
  padding: 4px 8px;
  white-space: nowrap;
}
.stamp-green { color: var(--stamp-green); border-color: var(--stamp-green); }
.stamp-red { color: var(--stamp-red); border-color: var(--stamp-red); }
.stamp-kraft { color: var(--kraft); border-color: var(--kraft); }

.perf-edge {
  height: 10px;
  width: 100%;
  background-image: radial-gradient(circle at 8px 0px, transparent 6px, var(--paper) 6.5px);
  background-size: 16px 16px;
  background-repeat: repeat-x;
}
.perf-edge.top { background-position: 0 -8px; }
.perf-edge.bottom { background-position: 0 8px; }

.receipt-card {
  background-color: var(--cream-card);
  padding: 16px 18px 18px;
  box-shadow: 0 3px 10px rgba(35, 44, 61, 0.08);
}

.avatar-circle {
  border-radius: 50%;
  background-color: var(--ink);
  color: var(--paper);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 600;
  flex-shrink: 0;
  border: 2px solid var(--cream-card);
  box-shadow: 0 0 0 1px var(--paper-line);
}

.ledger-header { background-color: var(--ink); }
.ledger-tab {
  color: rgba(237, 230, 214, 0.6);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 12px 16px;
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.ledger-tab:hover, .ledger-tab.active { color: var(--paper); }

.ledger-card {
  background-color: var(--cream-card);
  border: 1px solid var(--paper-line);
  border-radius: 6px;
}
.ledger-input {
  background-color: var(--paper);
  border: 1px solid var(--paper-line);
  border-radius: 4px;
}
.ledger-input:focus {
  background-color: var(--paper);
  border-color: var(--kraft);
  box-shadow: 0 0 0 0.2rem rgba(176, 134, 85, 0.25);
}
.btn-kraft {
  background-color: var(--kraft);
  color: var(--ink);
  font-weight: 700;
  border: none;
}
.btn-kraft:hover { background-color: #9c7549; color: var(--ink); }