:root {
  --ink: #22170e;
  --ink-soft: #5b4a3a;
  --paper: #f7f3ec;
  --card: #fffdf9;
  --accent: #9a4a1f;
  --accent-ink: #ffffff;
  --line: #e3d8c8;
  --ok: #2f6b3a;
  --warn: #8a3b22;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
}

.shell { max-width: 56rem; margin: 0 auto; padding: 1.25rem; }

.view { margin-top: 1rem; }

h1 { font-size: 1.7rem; margin: 0 0 0.25rem; }
h2 { font-size: 1.15rem; margin: 0 0 0.75rem; }

.muted { color: var(--ink-soft); margin: 0.2rem 0 0; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1.25rem;
  box-shadow: 0 1px 3px rgba(34, 23, 14, 0.06);
}

.card-narrow { max-width: 26rem; margin: 3rem auto; }

form { margin-top: 1rem; }

label { display: block; font-weight: bold; margin: 0.75rem 0 0.25rem; }

input {
  width: 100%;
  padding: 0.55rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
  background: #fff;
  color: var(--ink);
}

input:focus-visible,
button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.btn {
  font: inherit;
  border: none;
  border-radius: 6px;
  padding: 0.55rem 1.1rem;
  cursor: pointer;
  margin-top: 1rem;
}

.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: #7d3c18; }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
  margin-top: 0;
}
.btn-ghost:hover { background: var(--paper); }

.error { color: var(--warn); margin-top: 0.75rem; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 1.25rem;
  align-items: start;
}

.balance {
  font-size: 2.4rem;
  font-weight: bold;
  margin: 0.25rem 0;
  color: var(--accent);
}

.balance.settled { color: var(--ok); }

.notes { list-style: none; margin: 0; padding: 0; }

.notes li {
  border-top: 1px solid var(--line);
  padding: 0.85rem 0;
}
.notes li:first-child { border-top: none; }

.notes .date {
  display: block;
  font-size: 0.85rem;
  font-weight: bold;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.15rem;
}

.notes .note-text { margin: 0; white-space: pre-wrap; }

@media (max-width: 700px) {
  .grid { grid-template-columns: 1fr; }
  .card-narrow { margin: 1.5rem auto; }
}