.table-shell {
  display: grid;
  gap: 18px;
}

.table-head {
  align-items: stretch;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(240px, 0.7fr) minmax(0, 1fr);
  padding-top: 18px;
}

.selected {
  border: 1px solid var(--line);
  display: grid;
  gap: 4px;
  min-height: 104px;
  padding: 14px;
}

.selected-number,
.selected span:last-child,
.legend span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 13px;
}

.selected strong {
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1;
}

.legend {
  align-content: start;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.legend span {
  align-items: center;
  border: 1px solid var(--line);
  display: inline-flex;
  gap: 7px;
  padding: 6px 8px;
}

.legend span::before {
  background: var(--category-color);
  content: "";
  display: inline-block;
  height: 12px;
  width: 12px;
}

.periodic-grid {
  display: grid;
  gap: 5px;
  grid-template-columns: repeat(18, minmax(48px, 1fr));
  overflow-x: auto;
  padding-bottom: 10px;
}

.element {
  background: var(--category-color);
  border: 1px solid color-mix(in oklab, var(--category-color), var(--fg) 18%);
  color: #17120f;
  cursor: pointer;
  display: grid;
  min-height: 74px;
  min-width: 48px;
  padding: 5px;
  text-align: left;
}

.element:hover,
.element:focus-visible,
.element.is-selected {
  border-color: var(--fg);
  outline: 0;
}

.element.is-selected {
  box-shadow: inset 0 0 0 2px var(--fg);
}

.number,
.mass {
  font-family: var(--mono);
  font-size: 10px;
  line-height: 1;
}

.symbol {
  align-self: center;
  font-size: clamp(18px, 2.4vw, 29px);
  font-weight: 750;
  line-height: 0.95;
  text-align: center;
}

.name {
  font-size: 10px;
  line-height: 1.05;
  min-width: 0;
  overflow: hidden;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mass {
  color: rgba(23, 18, 15, 0.72);
  text-align: center;
}

@media (max-width: 900px) {
  .table-head {
    grid-template-columns: 1fr;
  }

  .periodic-grid {
    grid-template-columns: repeat(18, 54px);
  }
}

@media (max-width: 620px) {
  .element {
    min-height: 68px;
  }

  .symbol {
    font-size: 21px;
  }
}