:root {
  --background: oklch(0.93 0.012 85);
  --foreground: oklch(0.24 0.01 60);
  --card: oklch(0.975 0.012 90);
  --muted: oklch(0.9 0.015 85);
  --muted-foreground: oklch(0.5 0.015 70);
  --primary: oklch(0.26 0.01 60);
  --primary-foreground: oklch(0.975 0.012 90);
  --destructive: oklch(0.5 0.17 28);
  --border: oklch(0.8 0.02 80);
  --input: oklch(0.6 0.02 70);
  --ring: oklch(0.4 0.02 60);
  --shadow: 0 1px 0 color-mix(in oklab, var(--foreground) 8%, transparent), 0 18px 30px -18px color-mix(in oklab, var(--foreground) 45%, transparent);
}

* { box-sizing: border-box; border-color: var(--border); }
body {
  margin: 0;
  background-color: var(--background);
  color: var(--foreground);
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  background-image: radial-gradient(color-mix(in oklab, var(--foreground) 7%, transparent) 1px, transparent 1px);
  background-size: 6px 6px;
  line-height: 1.5;
}
main { max-width: 34rem; margin: 0 auto; padding: 2rem 1rem 4rem; display: grid; gap: 1.25rem; }
.cols { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 1.5rem; align-items: start; }
.col { display: grid; gap: 1.25rem; }
main:has(.cols) { max-width: 70rem; }
@media (max-width: 800px) { .cols { grid-template-columns: 1fr; } }
.ledger { width: 100%; border-collapse: collapse; font-size: 0.75rem; font-variant-numeric: tabular-nums; }
.ledger th { text-align: right; font-weight: 400; text-transform: uppercase; letter-spacing: 0.1em; border-bottom: 1px dashed var(--foreground); padding: 0.25rem; }
.ledger td { text-align: right; padding: 0.35rem 0.25rem; border-bottom: 1px dotted var(--border); }
.ledger th:first-child, .ledger td:first-child { text-align: left; }
.small { font-size: 0.8rem; }
.xs { font-size: 0.7rem; }
.muted { color: var(--muted-foreground); }
.center { text-align: center; }
.upper { text-transform: uppercase; letter-spacing: 0.15em; }
.bold { font-weight: 700; }
.err { color: var(--destructive); }
.mt { margin-top: 0.75rem; }

.slip {
  position: relative;
  background-color: var(--card);
  box-shadow: var(--shadow);
  padding: 1.5rem 1.25rem;
  background-image: repeating-linear-gradient(0deg, transparent 0 3px, color-mix(in oklab, var(--foreground) 2.5%, transparent) 3px 4px);
}
.slip::before, .slip::after {
  content: ""; position: absolute; left: 0; right: 0; height: 8px;
  background: radial-gradient(circle at 6px 0, transparent 5px, var(--card) 5.5px) repeat-x;
  background-size: 12px 8px;
}
.slip::before { top: -8px; transform: rotate(180deg); }
.slip::after { bottom: -8px; }

.ascii { margin: 0; font: inherit; font-size: 0.72rem; line-height: 1.15; text-align: center; overflow: hidden; }
.rule { overflow: hidden; white-space: nowrap; margin: 0.75rem 0; opacity: 0.6; font-size: 0.75rem; user-select: none; }
.heading { text-align: center; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.3em; }
.line { display: flex; align-items: baseline; gap: 0.5rem; font-size: 0.875rem; }
.line > span { flex-shrink: 0; font-variant-numeric: tabular-nums; }
.line .leader { flex: 1; flex-shrink: 1; border-bottom: 1px dotted currentColor; opacity: 0.45; transform: translateY(-4px); }
.line.strong { font-weight: 700; }
.item { padding: 0.5rem 0; border-bottom: 1px dashed var(--border); font-size: 0.875rem; }
.item .sub { padding-left: 1rem; font-size: 0.75rem; }
.total { margin-top: 0.75rem; border-block: 2px dashed var(--foreground); padding: 0.5rem 0; text-align: center; }
.total .big { font-size: 1.75rem; font-weight: 700; font-variant-numeric: tabular-nums; }

.field-row { display: grid; gap: 0.75rem; margin-top: 0.75rem; }
.field-row.two { grid-template-columns: 1fr 1fr; }
label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.15em; color: var(--muted-foreground); display: block; }
.field {
  display: block; width: 100%; background: transparent; border: 0; border-bottom: 1px dashed var(--input);
  padding: 0.35rem 0.1rem; font: inherit; font-size: 0.9rem; color: var(--foreground); outline: none; border-radius: 0;
}
.field:focus { border-bottom-style: solid; border-color: var(--ring); }
.btn {
  background: var(--primary); color: var(--primary-foreground); border: 0; padding: 0.55rem 0.8rem; font: inherit;
  font-size: 0.8rem; letter-spacing: 0.15em; text-transform: uppercase; cursor: pointer;
}
.btn:disabled { opacity: 0.6; cursor: default; }
.btn-ghost {
  background: transparent; color: var(--foreground); border: 1px dashed var(--foreground); padding: 0.5rem 0.8rem;
  font: inherit; font-size: 0.75rem; letter-spacing: 0.15em; cursor: pointer;
}
.btn-link { background: none; border: 0; padding: 0; font: inherit; font-size: 0.7rem; letter-spacing: 0.1em; text-decoration: underline; color: var(--muted-foreground); cursor: pointer; }
.btn-link.danger:hover { color: var(--destructive); }
.actions { display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: center; }
.share-url { word-break: break-all; font-size: 0.75rem; margin-top: 0.5rem; padding: 0.4rem; border: 1px dashed var(--border); }

@media print {
  body { background: none; }
  .no-print { display: none !important; }
  .slip { box-shadow: none; background-image: none; }
  .slip::before, .slip::after { display: none; }
  main { max-width: none !important; padding: 0; display: block; }
  .cols { display: block; }
  html[data-print="slip"] .print-target { width: 72mm; font-size: 9pt; padding: 0; }
  html[data-print="page"] .print-target { max-width: 170mm; margin: 0 auto; font-size: 10.5pt; }
}
@page { margin: 4mm; }