@media (min-width: 981px) {
  .workbench-stage { height: auto; }
  .workbench-panel {
    height: auto;
    min-height: 100svh;
    overflow: visible;
  }
  .workbench-intro h2,
  .panel-heading h3 {
    max-width: none;
    white-space: nowrap;
  }
  .workbench-intro h2 {
    font-size: clamp(30px, 4vw, 50px);
  }
  .panel-heading h3 {
    font-size: clamp(30px, 4vw, 50px);
  }
  .panel-heading h3.allow-wrap {
    white-space: normal;
  }
}
.workbench-panel[data-workbench-panel="route"] {
  padding: 46px 42px 34px;
}
.periodic-explorer {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(320px, 1fr);
  gap: 18px;
  margin-top: 32px;
}
.periodic-main {
  min-width: 0;
  padding: 16px;
  border: 1px solid rgba(101, 222, 211, .2);
  background:
    linear-gradient(rgba(101, 222, 211, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(101, 222, 211, .025) 1px, transparent 1px),
    rgba(5, 17, 19, .7);
  background-size: 24px 24px;
}
.periodic-legend {
  min-height: 30px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 18px;
  color: #819594;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .03em;
}
.periodic-legend span {
  display: flex;
  align-items: center;
  gap: 6px;
}
.periodic-legend i {
  width: 11px;
  height: 11px;
  border: 1px solid rgba(151, 175, 174, .3);
  background: rgba(151, 175, 174, .06);
}
.periodic-legend i.available {
  border-color: #087ec1;
  background: rgba(8, 126, 193, .55);
  box-shadow: 0 0 8px rgba(8, 126, 193, .4);
}
.periodic-legend .legend-note {
  margin-left: auto;
  color: #087ec1;
}
.periodic-table {
  display: grid;
  grid-template-columns: repeat(18, minmax(27px, 1fr));
  grid-template-rows: repeat(7, 48px);
  gap: 3px;
}
.element-cell {
  min-width: 0;
  position: relative;
  padding: 4px;
  border: 1px solid rgba(151, 175, 174, .16);
  color: #647675;
  background: rgba(151, 175, 174, .035);
  text-align: left;
  overflow: hidden;
}
button.element-cell {
  font: inherit;
  cursor: pointer;
}
.element-cell .atomic-number {
  display: block;
  font-size: 7px;
  opacity: .7;
}
.element-cell .symbol {
  display: block;
  margin-top: 2px;
  font-size: clamp(12px, 1.05vw, 17px);
  font-weight: 800;
  line-height: 1;
}
.element-cell .cn-name {
  display: block;
  margin-top: 3px;
  font-size: 7px;
  white-space: nowrap;
  opacity: .7;
}
.element-cell.is-available {
  border-color: rgba(8, 126, 193, .55);
  color: #eafffc;
  background: linear-gradient(145deg, rgba(8, 126, 193, .17), rgba(29, 57, 78, .18));
  box-shadow: inset 0 0 14px rgba(8, 126, 193, .04);
}
.element-cell.is-available::after {
  content: "";
  position: absolute;
  left: 4px;
  right: 4px;
  bottom: 3px;
  height: 2px;
  background: #087ec1;
  box-shadow: 0 0 7px #087ec1;
}
.element-cell.is-available:hover,
.element-cell.is-selected {
  z-index: 2;
  color: #061314;
  background: #67c8ff;
  border-color: #a7e3ff;
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 8px 22px rgba(0, 0, 0, .32), 0 0 18px rgba(8, 126, 193, .28);
}
.element-cell.is-selected::after { background: #071416; box-shadow: none; }
.element-cell.series-placeholder {
  border-style: dashed;
  color: #6fa39e;
  background: rgba(101, 222, 211, .035);
}
.periodic-series {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 8px;
  align-items: center;
  margin-top: 7px;
}
.periodic-series > span {
  color: #087ec1;
  font-size: 11px;
  font-weight: 800;
}
.series-row {
  display: grid;
  grid-template-columns: repeat(15, minmax(27px, 1fr));
  gap: 3px;
}
.series-row .element-cell { height: 43px; }
.muted-series { opacity: .46; }
.element-products {
  min-width: 0;
  border: 1px solid rgba(8, 126, 193, .3);
  background: linear-gradient(180deg, rgba(15, 42, 43, .95), rgba(7, 22, 24, .96));
}
.element-hero {
  min-height: 166px;
  padding: 20px;
  position: relative;
  color: #061314;
  background:
    radial-gradient(circle at 76% 28%, rgba(255, 255, 255, .45), transparent 22%),
    #67c8ff;
}
.element-hero > span {
  position: absolute;
  right: 18px;
  top: 15px;
  font-size: 14px;
  font-weight: 800;
}
.element-symbol-line {
  margin-top: 30px;
  display: flex;
  align-items: baseline;
  gap: 16px;
}
.element-symbol-line strong {
  display: block;
  margin: 0;
  font-size: 64px;
  line-height: .9;
}
.element-hero small {
  display: block;
  margin-top: 14px;
  font-size: 15px;
  font-weight: 800;
}
.element-summary { padding: 19px 18px 18px; }
.element-summary > p {
  margin: 0;
  color: #087ec1;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .14em;
}
.element-summary h4 {
  margin: 8px 0 10px;
  font-size: 19px;
}
.element-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 12px;
}
.element-tags span {
  padding: 4px 6px;
  border: 1px solid rgba(8, 126, 193, .32);
  color: #087ec1;
  font-size: 12px;
  letter-spacing: .08em;
}
.element-product-list {
  height: 235px;
  max-height: 235px;
  margin: 0 0 15px;
  padding: 0;
  list-style: none;
  overflow: auto;
  scrollbar-color: #3b7975 transparent;
}
.element-product-list li {
  padding: 0;
  border-bottom: 1px solid rgba(151, 175, 174, .13);
  color: #c2cfce;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
}
.element-product-list li a {
  min-height: 42px;
  padding: 9px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: inherit;
  text-decoration: none;
  transition: color .2s, padding-left .2s;
}
.element-product-list li a span {
  color: #087ec1;
  opacity: 0;
  transform: translateX(-5px);
  transition: opacity .2s, transform .2s;
}
.element-product-list li a:hover,
.element-product-list li a:focus-visible {
  padding-left: 5px;
  color: #ffffff;
}
.element-product-list li a:hover span,
.element-product-list li a:focus-visible span {
  opacity: 1;
  transform: translateX(0);
}
.element-summary > a {
  color: #087ec1;
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}
@media (max-width: 1200px) {
  .periodic-explorer { grid-template-columns: 1fr; }
  .element-products {
    display: grid;
    grid-template-columns: 190px 1fr;
  }
  .element-hero { min-height: 200px; }
  .element-product-list { height: 100px; max-height: 100px; }
}
@media (max-width: 700px) {
  .workbench-panel[data-workbench-panel="route"] { padding: 32px 16px; }
  .periodic-main { overflow-x: auto; }
  .periodic-legend { min-width: 760px; }
  .periodic-table,
  .periodic-series { min-width: 760px; }
  .element-products { grid-template-columns: 135px 1fr; }
  .element-hero { min-height: 205px; padding: 14px; }
  .element-symbol-line { gap: 12px; }
  .element-symbol-line strong { font-size: 48px; }
}