:root {
  --color-paper: #f4f1e8;
  --color-paper-deep: #ece7d9;
  --color-ink: #1c1b18;
  --color-ink-soft: #6b665b;
  --color-line: #d9d3c3;
  --color-accent: #d8442a;
  --color-accent-deep: #b0331d;
  --color-mark: #e0a92e;
  --font-display: Inter, Noto Sans TC, sans-serif;
  --font-body: Inter, Noto Sans TC, sans-serif;
  --font-mono: Inter, Noto Sans TC, sans-serif;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

.tool-intro {
  max-width: 64ch;
  margin-block: 24px 16px;
  color: #6b665b;
}

.query-bar {
  position: sticky;
  top: 0;
  z-index: 2;
  padding-block: 16px;
  background: #f4f1e8;
  border-bottom: 1px solid #d9d3c3;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-chip {
  font-family: "Inter", "Noto Sans TC", sans-serif;
  font-size: 1rem;
  letter-spacing: 0.04em;
  padding: 4px 16px;
  border: 1px solid #d9d3c3;
  border-radius: 2px;
  color: #6b665b;
  background: transparent;
  cursor: pointer;
  transition: color 0.4s cubic-bezier(0.22, 0.61, 0.36, 1), border-color 0.4s cubic-bezier(0.22, 0.61, 0.36, 1), background-color 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.filter-chip:hover {
  color: #1c1b18;
  border-color: #1c1b18;
}
.filter-chip.is-active {
  color: #f4f1e8;
  background: #d8442a;
  border-color: #d8442a;
}

.unit-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.unit-label {
  font-family: "Inter", "Noto Sans TC", sans-serif;
  font-size: 1rem;
  color: #6b665b;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.unit-chips,
.dpi-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.unit-chip {
  font-family: "Inter", "Noto Sans TC", sans-serif;
  font-size: 1rem;
  letter-spacing: 0.04em;
  padding: 2px 8px;
  border: 1px solid #d9d3c3;
  border-radius: 2px;
  color: #6b665b;
  background: transparent;
  cursor: pointer;
  transition: color 0.4s cubic-bezier(0.22, 0.61, 0.36, 1), border-color 0.4s cubic-bezier(0.22, 0.61, 0.36, 1), background-color 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.unit-chip:hover {
  color: #1c1b18;
  border-color: #1c1b18;
}
.unit-chip.is-active {
  color: #f4f1e8;
  background: #d8442a;
  border-color: #d8442a;
}

.dpi-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 8px;
  padding-left: 8px;
  border-left: 1px solid #d9d3c3;
}

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

.paper-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 1rem;
  white-space: nowrap;
}
.paper-table th, .paper-table td {
  padding: 16px;
  text-align: left;
  border-bottom: 1px solid #d9d3c3;
}

.paper-table thead th {
  font-family: "Inter", "Noto Sans TC", sans-serif;
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: #6b665b;
  border-bottom: 1.5px solid #1c1b18;
  user-select: none;
}

.th-ratio {
  width: 60px;
}

.th-size {
  min-width: 160px;
}

.th-copy {
  width: 1px;
}

.paper-table tbody tr {
  cursor: pointer;
  transition: background-color 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.paper-table tbody tr:hover {
  background: #ece7d9;
}
.paper-table tbody tr.is-copied {
  background: color-mix(in srgb, #d8442a 10%, #f4f1e8);
}

.cell-name {
  font-weight: 500;
}

.cell-mono {
  font-family: "Inter", "Noto Sans TC", sans-serif;
  font-variant-numeric: tabular-nums;
}

.ratio-thumb {
  display: block;
}
.ratio-thumb rect {
  fill: none;
  stroke: #1c1b18;
  stroke-width: 1.5px;
}

.series-pill {
  display: inline-block;
  font-family: "Inter", "Noto Sans TC", sans-serif;
  font-size: 1rem;
  letter-spacing: 0.04em;
  padding: 2px 8px;
  border: 1px solid #d9d3c3;
  border-radius: 2px;
  color: #6b665b;
}

.series-iso-a {
  border-color: #d8442a;
  color: #d8442a;
}

.series-iso-b {
  border-color: #e0a92e;
  color: color-mix(in srgb, #e0a92e 70%, #1c1b18);
}

.series-jis-b {
  border-color: #1c1b18;
  color: #1c1b18;
}

.series-us {
  border-color: #6b665b;
  color: #6b665b;
}

.series-common {
  border-color: color-mix(in srgb, #d8442a 50%, #e0a92e);
  color: color-mix(in srgb, #d8442a 50%, #e0a92e);
}

.cell-copy {
  text-align: right;
}

.copy-hint {
  font-family: "Inter", "Noto Sans TC", sans-serif;
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: #6b665b;
  opacity: 0;
  transition: opacity 0.4s cubic-bezier(0.22, 0.61, 0.36, 1), color 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.paper-table tbody tr:hover .copy-hint {
  opacity: 1;
}

.paper-table tbody tr.is-copied .copy-hint {
  opacity: 1;
  color: #d8442a;
}

.empty-state {
  padding-block: 64px !important;
  text-align: center;
  color: #6b665b;
  white-space: normal;
}

@media (max-width: 640px) {
  .unit-bar {
    flex-direction: column;
    align-items: flex-start;
  }
  .dpi-bar {
    margin-left: 0;
    padding-left: 0;
    border-left: none;
    border-top: 1px solid #d9d3c3;
    padding-top: 8px;
  }
}