/* src/tools/unit-converter/tool.css */
.unit-root {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.unit-category-tabs {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  scrollbar-width: thin;
}

.unit-cat-tab {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-muted);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
}

.unit-cat-tab:hover {
  border-color: var(--color-accent);
  color: var(--color-snow);
}

.unit-cat-tab.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #FFFFFF;
}

.unit-converter-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.unit-conversion-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
}

@media (max-width: 640px) {
  .unit-conversion-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
}

.unit-box {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.unit-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.unit-input-group {
  display: flex;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: #0F1117;
  overflow: hidden;
  transition: border-color 0.2s;
}

.unit-input-group:focus-within {
  border-color: var(--color-accent);
}

.unit-number-input {
  flex: 1;
  background: transparent;
  border: none;
  padding: 0.75rem 1rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-snow);
  outline: none;
  min-width: 0;
}

.unit-select {
  background: var(--color-surface);
  border: none;
  border-left: 1px solid var(--color-border);
  color: var(--color-snow);
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  outline: none;
  cursor: pointer;
  max-width: 140px;
}

.unit-swap-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: #0F1117;
  color: var(--color-snow);
  cursor: pointer;
  transition: all 0.2s;
  margin: 0 auto;
}

.unit-swap-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: rotate(180deg);
}

.unit-formula-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: #0F1117;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 0.85rem;
  color: var(--color-muted);
}

.unit-table-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1.25rem;
}

.unit-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.unit-table th {
  text-align: left;
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-muted);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
}

.unit-table td {
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-snow);
}

.unit-table tr:last-child td {
  border-bottom: none;
}

.unit-table tr:hover td {
  background: rgba(79, 142, 247, 0.05);
}