:root {
  /* Ledger paper: the app's whole world is an accountant's inventory
     ledger, pale ruled-paper green behind ink-white cards, with the
     traditional bookkeeping red reserved for totals and danger actions. */
  --paper: #eef3e6;
  --card: #fbfbf6;
  --card-line: #dbe3cf;
  --ink: #1c2530;
  --ink-soft: #566072;
  --stamp-red: #b23a2e;
  --stamp-red-dark: #8e2e24;
  --tag-brass: #96762f;
  --tag-brass-dark: #77602a;

  --font-display: "Courier Prime", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  font-family: var(--font-body);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.5;
}

:focus-visible {
  outline: 2px solid var(--stamp-red);
  outline-offset: 2px;
}

header {
  padding: 2.5rem 1.5rem 1.25rem;
  text-align: center;
}

.wordmark-tag {
  position: relative;
  display: inline-block;
  padding: 0.6rem 1.75rem 0.6rem 1.5rem;
  background: var(--card);
  border: 2px solid var(--ink);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 50%, calc(100% - 14px) 100%, 0 100%);
}

.wordmark-tag::before {
  content: "";
  position: absolute;
  left: 0.6rem;
  top: 50%;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--paper);
  border: 1.5px solid var(--ink);
  transform: translateY(-50%);
}

header h1 {
  margin: 0;
  padding-left: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: 0.02em;
}

.tagline {
  color: var(--ink-soft);
  margin: 0.9rem 0 0;
  font-size: 0.95rem;
}

main {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
}

.intro {
  background: var(--card);
  border: 1px solid var(--card-line);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
}

.intro p { margin: 0; color: var(--ink-soft); }

.summary {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.total-card {
  background: var(--card);
  border: 1px solid var(--card-line);
  border-top: 3px double var(--stamp-red);
  padding: 1rem 1.5rem 1.1rem;
  display: flex;
  flex-direction: column;
  min-width: 240px;
}

.total-label {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.total-value {
  font-family: var(--font-display);
  font-variant-numeric: tabular-nums;
  font-size: 2rem;
  font-weight: 700;
  padding-bottom: 0.3rem;
  border-bottom: 3px double var(--stamp-red);
  width: fit-content;
}

.tally-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.7rem;
}

/* Signature element: the item count isn't just a number, it's tallied the
   way the app's name says, four upright strokes struck through by a fifth,
   grouped the way you'd count anything by hand. */
.tally-marks {
  display: inline-flex;
  align-items: flex-end;
  gap: 6px;
  height: 16px;
}

.tally-group {
  position: relative;
  display: inline-flex;
  align-items: flex-end;
  gap: 2.5px;
  height: 100%;
}

.tally-stroke {
  width: 2px;
  height: 100%;
  background: var(--ink);
}

.tally-group .tally-stroke:nth-child(1) { transform: rotate(-4deg); }
.tally-group .tally-stroke:nth-child(2) { transform: rotate(2deg); }
.tally-group .tally-stroke:nth-child(3) { transform: rotate(-2deg); }
.tally-group .tally-stroke:nth-child(4) { transform: rotate(4deg); }

.tally-strike {
  position: absolute;
  left: -2px;
  right: -2px;
  top: 45%;
  height: 2px;
  background: var(--stamp-red);
  transform: rotate(-32deg);
}

.item-count-label {
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.actions { display: flex; gap: 0.5rem; flex-wrap: wrap; align-self: center; }

button {
  font: inherit;
  font-family: var(--font-body);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  padding: 0.6rem 1rem;
  border: 1.5px solid var(--ink);
  background: var(--card);
  cursor: pointer;
  color: var(--ink);
  transition: background 0.12s ease, color 0.12s ease, transform 0.05s ease;
}

button:hover { background: var(--ink); color: var(--card); }
button:active { transform: scale(0.97); }

button[type="submit"] {
  background: var(--tag-brass);
  color: var(--card);
  border-color: var(--tag-brass);
}

button[type="submit"]:hover { background: var(--tag-brass-dark); border-color: var(--tag-brass-dark); }

button.danger { color: var(--stamp-red); border-color: var(--stamp-red); background: var(--card); }
button.danger:hover { background: var(--stamp-red); color: var(--card); }

.add-room form,
.add-item-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.add-room {
  margin-bottom: 2rem;
}

.add-room input {
  flex: 1;
  min-width: 200px;
}

input, select {
  font: inherit;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--card-line);
  background: var(--card);
  color: var(--ink);
}

input:focus, select:focus {
  border-color: var(--ink);
}

.room {
  background: var(--card);
  border: 1px solid var(--card-line);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.room-header {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--card-line);
}

.room-name {
  margin: 0;
  flex: 1;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.room-subtotal {
  font-family: var(--font-display);
  font-variant-numeric: tabular-nums;
  color: var(--ink-soft);
  font-weight: 700;
}

.items-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 0.75rem;
}

.items-table th, .items-table td {
  text-align: left;
  padding: 0.45rem 0.5rem;
  border-bottom: 1px solid var(--card-line);
  font-size: 0.9rem;
}

.items-table th {
  color: var(--tag-brass-dark);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.items-table td.item-value {
  font-family: var(--font-display);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.items-table th:nth-child(3) { text-align: right; }

.item-name-input { flex: 2; min-width: 140px; }
.item-notes-input { flex: 2; min-width: 140px; }
.item-value-input { width: 110px; }

.remove-item, .remove-room {
  padding: 0.25rem 0.5rem;
  border: none;
  background: transparent;
  color: var(--ink-soft);
}
.remove-item:hover, .remove-room:hover { color: var(--stamp-red); background: transparent; }

.faq {
  background: var(--card);
  border: 1px solid var(--card-line);
  padding: 1.25rem;
  margin-top: 2rem;
}

.faq h2 {
  margin-top: 0;
  font-family: var(--font-display);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.faq p { color: var(--ink-soft); margin-bottom: 0; }

footer {
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.8rem;
  padding: 1.5rem;
}

@media (prefers-reduced-motion: reduce) {
  button { transition: none; }
  button:active { transform: none; }
}

@media (max-width: 600px) {
  .items-table thead { display: none; }
  .items-table tr { display: flex; flex-direction: column; padding: 0.5rem 0; }
  .items-table td { border: none; padding: 0.15rem 0; text-align: left !important; }
  .summary { flex-direction: column; }
  .actions { align-self: stretch; }
}

@media print {
  header .tagline, .summary .actions, .add-room, .add-item-form,
  .remove-item, .remove-room, .faq, footer { display: none !important; }
  body { background: white; }
  .room, .intro, .total-card { border: 1px solid #000; }
  .wordmark-tag { border: 1px solid #000; clip-path: none; }
  .total-card { background: white; color: black; }
}