.page-body {
  max-width: 1440px;
}

.unit-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-5);
  margin-bottom: var(--space-4);
}

.unit-group {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
}

.unit-group-label {
  flex: none;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.unit-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.unit-chip {
  padding: 7px 14px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}

.unit-chip:hover {
  background: var(--color-bg);
}

.unit-chip.is-active {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

.unit-chip:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.unit-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-4);
  align-items: start;
}

.unit-main {
  min-width: 0;
}

.conv-row + .conv-row {
  margin-top: 0;
}

.conv-field {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(150px, 220px);
  gap: var(--space-2);
}

.conv-value {
  font-family: Consolas, "Cascadia Mono", "Courier New", monospace;
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.conv-value.is-invalid {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 3px var(--color-danger-bg);
}

.conv-unit {
  font-size: 14px;
}

.conv-swap {
  display: flex;
  justify-content: center;
  margin: var(--space-2) 0;
}

.conv-swap .icon-btn {
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-accent);
}

.conv-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-top: var(--space-3);
}

.conv-formula {
  min-width: 0;
  font-family: Consolas, "Cascadia Mono", "Courier New", monospace;
  font-size: 13px;
  color: var(--color-muted);
  overflow-wrap: anywhere;
}

.conv-extra {
  max-width: 220px;
  margin-top: var(--space-4);
}

.conv-extra .conv-hint {
  max-width: 420px;
}

.conv-hint {
  margin-top: var(--space-2);
  font-size: 12px;
  color: var(--color-muted);
}

.conv-panel > .conv-hint {
  margin-top: var(--space-4);
}

.height-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto minmax(0, 1.4fr);
  align-items: end;
  gap: var(--space-3);
}

.height-grid .input {
  font-family: Consolas, "Cascadia Mono", "Courier New", monospace;
  font-size: 18px;
}

.height-eq {
  padding-bottom: 10px;
  font-size: 20px;
  font-weight: 600;
  color: var(--color-muted);
}

.unit-all {
  display: flex;
  flex-direction: column;
  min-width: 0;
  max-height: max(420px, calc(100vh - 240px));
  margin-top: 0;
}

.unit-scroll {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  scrollbar-gutter: stable;
}

.unit-table {
  width: 100%;
  border-collapse: collapse;
}

.unit-table tr {
  cursor: pointer;
}

.unit-table tr + tr td {
  border-top: 1px solid var(--color-border);
}

.unit-table tr:hover td {
  background: var(--color-bg);
}

.unit-table tr.is-target td {
  background: var(--color-accent-soft);
}

.unit-table tr.is-source .unit-name {
  color: var(--color-muted);
}

.unit-table td {
  padding: 8px 10px;
  vertical-align: middle;
}

.unit-name {
  font-size: 14px;
  font-weight: 600;
}

.unit-symbol {
  margin-left: 6px;
  font-size: 12px;
  font-weight: 400;
  color: var(--color-muted);
}

.unit-cell-value {
  text-align: right;
  font-family: Consolas, "Cascadia Mono", "Courier New", monospace;
  font-size: 14px;
  overflow-wrap: anywhere;
}

.unit-cell-copy {
  width: 44px;
  text-align: right;
}

.unit-table .icon-btn {
  width: 30px;
  height: 30px;
  color: var(--color-muted);
}

.unit-table .icon-btn:hover {
  color: var(--color-accent);
}

@media (max-width: 1100px) {
  .unit-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .unit-all {
    max-height: none;
  }
}

@media (max-width: 720px) {
  .unit-tabs {
    flex-direction: column;
    gap: var(--space-3);
  }

  .unit-group {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }

  .unit-chips {
    flex-wrap: nowrap;
    max-width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .conv-field {
    grid-template-columns: minmax(0, 1fr);
  }

  .height-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .height-eq {
    display: none;
  }

  .height-grid .field:last-child {
    grid-column: 1 / -1;
  }
}