.desk {
  display: grid;
  grid-template-columns: 8fr 4fr;
  gap: 22px;
  align-items: start;
}

.ledger {
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--panel);
}

.table-scroll { overflow-x: auto; }

table.ruled {
  width: 100%;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
}
table.ruled th {
  text-align: left;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
  background: #f3efe4;
}
table.ruled td {
  padding: 8px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

input[type="text"], input[type="number"], select, textarea {
  width: 100%;
  min-height: 42px;
  font: 16px/1.3 var(--mono);
  padding: 8px 10px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.result-panel {
  background: var(--panel);
  color: var(--paper);
  padding: 22px 18px 28px;
  min-height: 280px;
}
.result-panel h2 { color: var(--paper); }
.result-panel .muted { color: #c5cdc9; }
.result-figure {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 96px;
  line-height: 0.95;
  margin: 8px 0 16px;
  letter-spacing: -0.03em;
}
.result-meta {
  display: grid;
  gap: 10px;
  font-family: var(--mono);
  font-size: 14px;
}
.result-meta span { display: block; font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: #c5cdc9; }

.calc-index {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
}
.calc-index a {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 12px;
  padding: 14px 8px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
}
.calc-index a:hover,
.calc-index a.is-active { background: var(--mark); }
.calc-index .n {
  font-family: var(--mono);
  color: var(--accent);
}

.triple {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
}
.stack-fields { max-width: 520px; }

.example-row {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 12px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}
.example-num { font-family: var(--mono); color: var(--accent); }

.formula-row, .mistake-row {
  padding: 16px 0;
  border-top: 1px solid var(--line);
}
.mistake-row .wrong { color: var(--accent); }
.contrib { overflow-x: auto; }

.save-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  padding: 12px 0;
}

@media (max-width: 760px) {
  .desk, .triple, .calc-index { grid-template-columns: 1fr; }
  .result-figure { font-size: 64px; }
}

@media (min-width: 761px) {
  .result-figure { font-size: clamp(88px, 8vw, 110px); }
}