:root {
  --paper: #e7efe1;
  --page: #f2f7ee;
  --ink: #1f2a22;
  --muted: #5f6e5a;
  --red: #b23a3a;
  --rule: #c3d4bb;
  --green: #3f6b4a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Spectral', serif;
  color: var(--ink);
  background: var(--paper);
  display: flex;
  justify-content: center;
  padding: 50px 20px;
}

.wrap { width: 100%; max-width: 560px; }

.ledger {
  background:
    repeating-linear-gradient(
      0deg, var(--page) 0px, var(--page) 31px, var(--rule) 32px
    );
  background-position: 0 150px;
  border: 1px solid var(--rule);
  border-left: 4px solid var(--red);
  padding: 30px 30px 26px 36px;
  box-shadow: 0 24px 50px -30px rgba(31,42,34,0.35);
}

header { margin-bottom: 4px; }
.tag {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--green);
  margin: 0 0 8px;
}
h1 { font-size: 28px; font-weight: 700; margin: 0 0 10px; letter-spacing: -0.01em; }
.desc { font-size: 13.5px; color: var(--muted); line-height: 1.7; margin: 0 0 20px; }

.grid3 { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 10px; }

@media (max-width: 520px) {
  .grid3 { grid-template-columns: 1fr; }
}
input {
  background: rgba(255,255,255,0.6);
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: 9px 10px;
  font-family: 'Space Mono', monospace;
  font-size: 13px;
  color: var(--ink);
}
input:focus { outline: none; border-color: var(--green); }
#amount { text-align: right; font-weight: 700; }

button {
  margin-top: 10px;
  background: var(--green);
  color: #fff;
  border: none;
  border-radius: 3px;
  font-family: 'Space Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 9px 16px;
  cursor: pointer;
  text-transform: uppercase;
}
button:hover { background: #335a3d; }
.error { color: var(--red); font-size: 12.5px; margin-top: 8px; }

.total {
  margin-top: 24px;
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  font-size: 34px;
  color: var(--ink);
  border-top: 2px double var(--ink);
  border-bottom: 2px double var(--ink);
  padding: 10px 0;
}
.total span {
  display: block;
  font-family: 'Spectral', serif;
  font-weight: 400;
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 2px;
}

.categories { margin-top: 16px; }
.bar-row { margin-bottom: 10px; }
.bar-label {
  display: flex;
  justify-content: space-between;
  font-family: 'Space Mono', monospace;
  font-size: 11.5px;
  color: var(--muted);
  margin-bottom: 4px;
}
.bar-track { height: 9px; background: rgba(31,42,34,0.07); border-radius: 2px; overflow: hidden; }
.bar-fill { height: 100%; background: linear-gradient(90deg, var(--green), #6a9a72); }

.section-label {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 22px 0 8px;
}

.list { display: flex; flex-direction: column; }
.item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 13.5px;
}
.item .label { flex: 1; }
.item .cat {
  font-family: 'Space Mono', monospace;
  font-size: 10.5px;
  color: var(--green);
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 2px 8px;
}
.item .amt { font-family: 'Space Mono', monospace; font-weight: 700; min-width: 64px; text-align: right; }
.item button.icon { background: none; border: none; color: var(--red); font-size: 13px; cursor: pointer; opacity: 0.5; }
.item button.icon:hover { opacity: 1; }

footer { margin-top: 24px; text-align: center; }
footer a { color: var(--muted); font-size: 12px; text-decoration: none; font-family: 'Space Mono', monospace; }
footer a:hover { color: var(--green); }