:root {
  --bg: #070a0f;
  --bg-soft: #0b1017;
  --panel: #0d141d;
  --panel-2: #0a1017;
  --line: #1b2634;
  --line-soft: #141d28;
  --text: #e7eef9;
  --muted: #8b9bb0;
  --muted-2: #63748a;
  --accent: #5eead4;
  --accent-2: #38bdf8;
  --danger: #fb7185;
  --radius: 14px;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --c-nonmetal-d: #7ee787;
  --c-nonmetal-p: #b7e77e;
  --c-alkali: #ffb86b;
  --c-alkaline: #ffd166;
  --c-transition: #64b5f6;
  --c-post-transition: #4dd0e1;
  --c-metalloid: #c792ea;
  --c-noble: #f78fb3;
  --c-lanthanide: #a78bfa;
  --c-actinide: #818cf8;
  --c-unknown: #94a3b8;
}

* { box-sizing: border-box; }

html { color-scheme: dark; }

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(1100px 500px at 8% -10%, rgba(56, 189, 248, .07), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, rgba(94, 234, 212, .05), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(120, 150, 190, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 150, 190, .035) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(1200px 700px at 50% 0%, #000 0%, transparent 85%);
  pointer-events: none;
  z-index: 0;
}

::selection { background: rgba(94, 234, 212, .25); }

/* ---------- header ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 13px 26px 14px;
  background: linear-gradient(180deg, rgba(7, 10, 15, .96), rgba(7, 10, 15, .82));
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-soft);
}

.brand { display: flex; align-items: center; gap: 12px; min-width: max-content; }

.brand-mark {
  position: relative;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  flex: none;
}
.brand-mark .nucleus {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #b7fff5, var(--accent) 45%, #0f766e);
  box-shadow: 0 0 18px rgba(94, 234, 212, .55);
}
.brand-mark .orbit {
  position: absolute;
  inset: 3px;
  border: 1px solid rgba(94, 234, 212, .45);
  border-radius: 50%;
  transform: rotate(-24deg) scaleY(.42);
  animation: orbit-spin 7s linear infinite;
}
.brand-mark .orbit::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -3px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 10px var(--accent-2);
  transform: translateY(-50%);
}
@keyframes orbit-spin { to { transform: rotate(336deg) scaleY(.42); } }
@media (prefers-reduced-motion: reduce) {
  .brand-mark .orbit { animation: none; }
}

.brand-text h1 {
  margin: 0;
  font-size: 17px;
  font-weight: 650;
  letter-spacing: .01em;
}
.brand-text p {
  margin: 2px 0 0;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: .04em;
}

.search-wrap {
  position: relative;
  flex: 1 1 320px;
  max-width: 470px;
  margin-left: auto;
}
.search-wrap input {
  width: 100%;
  height: 38px;
  padding: 0 44px 0 38px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(10, 16, 23, .9);
  color: var(--text);
  font: 13px var(--sans);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.search-wrap input::placeholder { color: var(--muted-2); }
.search-wrap input:focus {
  border-color: rgba(94, 234, 212, .55);
  box-shadow: 0 0 0 3px rgba(94, 234, 212, .1);
}
.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  width: 16px;
  height: 16px;
  transform: translateY(-50%);
  fill: none;
  stroke: var(--muted-2);
  stroke-width: 1.7;
  stroke-linecap: round;
}
.search-wrap kbd {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  font: 10px var(--mono);
  color: var(--muted-2);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 2px 5px;
}

.meta-strip {
  font: 10px/1.5 var(--mono);
  color: var(--muted-2);
  text-align: right;
  letter-spacing: .02em;
  min-width: max-content;
}
.meta-strip b { color: var(--muted); font-weight: 500; }

/* ---------- layout ---------- */
main {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 478px;
  gap: 22px;
  align-items: start;
  max-width: 1760px;
  margin: 0 auto;
  padding: 18px 26px 8px;
}

.table-wrap { min-width: 0; }

/* ---------- legend ---------- */
.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}
.legend button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(10, 16, 23, .7);
  color: var(--muted);
  font: 10px/1.4 var(--sans);
  letter-spacing: .01em;
  cursor: pointer;
  transition: color .14s, border-color .14s, background .14s;
}
.legend button:hover { color: var(--text); border-color: #2a3a4e; }
.legend button.active {
  color: var(--text);
  border-color: color-mix(in srgb, var(--cat) 60%, transparent);
  background: color-mix(in srgb, var(--cat) 12%, transparent);
}
.legend .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cat);
  box-shadow: 0 0 7px color-mix(in srgb, var(--cat) 65%, transparent);
}

/* ---------- periodic table ---------- */
.ptable-scroll { overflow: hidden; }

.ptable {
  display: grid;
  grid-template-columns: 30px repeat(18, minmax(0, 1fr));
  gap: 3px;
  align-items: stretch;
}

.group-label,
.period-label {
  display: grid;
  place-items: center;
  font: 10px var(--mono);
  color: var(--muted-2);
  user-select: none;
}
.period-label { justify-content: end; padding-right: 7px; }

.f-gap { grid-column: 1 / -1; height: 11px; }

.placeholder {
  display: grid;
  place-items: center;
  border: 1px dashed #243141;
  border-radius: 7px;
  color: var(--muted-2);
  font: 10px var(--mono);
  background: rgba(10, 15, 22, .35);
  user-select: none;
}

.cell {
  position: relative;
  aspect-ratio: 1 / 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  padding: 4px 5px 3px;
  border-radius: 7px;
  border: 1px solid color-mix(in srgb, var(--cat) 34%, transparent);
  background:
    linear-gradient(180deg,
      color-mix(in srgb, var(--cat) 17%, transparent),
      color-mix(in srgb, var(--cat) 6%, transparent));
  color: var(--text);
  cursor: pointer;
  font-family: var(--sans);
  text-align: left;
  transition: transform .12s ease, box-shadow .12s ease, border-color .12s ease, opacity .18s ease;
  overflow: hidden;
}
.cell:hover {
  transform: translateY(-2px);
  border-color: var(--cat);
  box-shadow: 0 8px 22px rgba(0, 0, 0, .45), 0 0 0 1px color-mix(in srgb, var(--cat) 45%, transparent);
  z-index: 2;
}
.cell:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.cell .z {
  font: 9px/1 var(--mono);
  color: color-mix(in srgb, var(--cat) 78%, #fff 10%);
  opacity: .9;
}
.cell .sym {
  position: absolute;
  left: 50%;
  top: 47%;
  transform: translate(-50%, -50%);
  font-size: clamp(14px, 1.3vw, 21px);
  font-weight: 650;
  letter-spacing: .01em;
  line-height: 1;
  color: #f3f8ff;
  text-shadow: 0 1px 10px rgba(0, 0, 0, .4);
}
.cell .mass {
  font: 8px/1 var(--mono);
  color: color-mix(in srgb, var(--cat) 55%, #6b7c92);
  align-self: flex-end;
  white-space: nowrap;
}
.cell.dim { opacity: .16; filter: saturate(.4); }
.cell.hit { border-color: var(--accent); box-shadow: 0 0 0 1px rgba(94, 234, 212, .5), 0 0 18px rgba(94, 234, 212, .18); }
.cell.selected {
  border-color: color-mix(in srgb, var(--cat) 70%, #fff 20%);
  background:
    linear-gradient(180deg,
      color-mix(in srgb, var(--cat) 30%, transparent),
      color-mix(in srgb, var(--cat) 12%, transparent));
  box-shadow:
    0 0 0 2px var(--accent),
    0 0 26px color-mix(in srgb, var(--cat) 35%, transparent);
  z-index: 3;
}
.cell.selected .sym { color: #fff; }

/* category colors */
.cat-nonmetal-d { --cat: var(--c-nonmetal-d); }
.cat-nonmetal-p { --cat: var(--c-nonmetal-p); }
.cat-alkali { --cat: var(--c-alkali); }
.cat-alkaline { --cat: var(--c-alkaline); }
.cat-transition { --cat: var(--c-transition); }
.cat-post-transition { --cat: var(--c-post-transition); }
.cat-metalloid { --cat: var(--c-metalloid); }
.cat-noble { --cat: var(--c-noble); }
.cat-lanthanide { --cat: var(--c-lanthanide); }
.cat-actinide { --cat: var(--c-actinide); }
.cat-unknown { --cat: var(--c-unknown); }

.hint {
  margin: 12px 2px 0;
  font-size: 10.5px;
  color: var(--muted-2);
  letter-spacing: .01em;
}
.hint .sep { margin: 0 5px; color: #33445a; }
.hint .mobile-note { display: none; }
@media (max-width: 860px) { .hint .mobile-note { display: inline; } }

/* ---------- panel ---------- */
.panel {
  position: sticky;
  top: 78px;
  max-height: calc(100vh - 92px);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 17px 17px 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background:
    radial-gradient(500px 180px at 100% 0%, rgba(56, 189, 248, .055), transparent 70%),
    linear-gradient(180deg, #0d151f, #0a1017);
  box-shadow: 0 20px 60px rgba(0, 0, 0, .35);
  scrollbar-width: thin;
  scrollbar-color: #243244 transparent;
}
.panel::-webkit-scrollbar { width: 8px; }
.panel::-webkit-scrollbar-thumb { background: #243244; border-radius: 8px; }
.panel::-webkit-scrollbar-track { background: transparent; }

/* welcome */
.welcome { padding: 8px 3px 4px; }
.welcome .kicker {
  font: 10px var(--mono);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
}
.welcome h2 {
  margin: 10px 0 8px;
  font-size: 25px;
  line-height: 1.14;
  font-weight: 650;
  letter-spacing: -.015em;
}
.welcome p {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}
.welcome .facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 18px 0;
}
.welcome .fact {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 11px;
  background: rgba(9, 14, 21, .7);
}
.welcome .fact b {
  display: block;
  font: 20px/1.1 var(--mono);
  color: var(--text);
}
.welcome .fact span { font-size: 9.5px; color: var(--muted-2); text-transform: uppercase; letter-spacing: .08em; }
.welcome .steps {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
}
.welcome .steps li {
  position: relative;
  padding-left: 20px;
  font-size: 12px;
  color: var(--muted);
}
.welcome .steps li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 6px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px rgba(94, 234, 212, .45);
}
.welcome .actions { margin-top: 17px; display: flex; gap: 8px; flex-wrap: wrap; }

/* hero */
.hero {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 3px 2px 0;
}
.hero-sym {
  flex: none;
  width: 88px;
  height: 88px;
  display: grid;
  place-items: center;
  border-radius: 17px;
  border: 1px solid color-mix(in srgb, var(--cat) 48%, transparent);
  background:
    radial-gradient(circle at 30% 20%, color-mix(in srgb, var(--cat) 34%, transparent), transparent 70%),
    rgba(9, 14, 21, .7);
  color: color-mix(in srgb, var(--cat) 70%, #fff 30%);
  font-size: 38px;
  font-weight: 650;
  letter-spacing: -.01em;
  box-shadow: inset 0 0 30px color-mix(in srgb, var(--cat) 12%, transparent);
}
.hero-info { min-width: 0; }
.hero-info h2 {
  margin: 0 0 2px;
  font-size: 24px;
  line-height: 1.1;
  font-weight: 650;
  letter-spacing: -.01em;
}
.hero-info .sub {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: .02em;
}
.hero-info .cat-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--cat) 35%, transparent);
  background: color-mix(in srgb, var(--cat) 10%, transparent);
  color: color-mix(in srgb, var(--cat) 75%, #fff 25%);
  font-size: 9.5px;
  letter-spacing: .03em;
}
.hero-info .cat-badge::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cat);
}

/* tabs */
.tabs {
  display: flex;
  gap: 3px;
  margin: 15px 0 15px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(8, 13, 19, .8);
}
.tab {
  flex: 1;
  border: 0;
  border-radius: 7px;
  padding: 7px 4px;
  background: transparent;
  color: var(--muted);
  font: 11px var(--sans);
  cursor: pointer;
  transition: background .14s, color .14s;
  white-space: nowrap;
}
.tab:hover { color: var(--text); }
.tab.active {
  background: #17222f;
  color: var(--text);
  box-shadow: inset 0 0 0 1px #27384b;
}
.tab .count {
  margin-left: 4px;
  font: 9px var(--mono);
  color: var(--muted-2);
}

/* sections */
.sec {
  margin-top: 17px;
}
.sec:first-child { margin-top: 0; }
.sec-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 9px;
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.sec-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--line), transparent);
}

/* values */
.values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}
.value {
  border: 1px solid var(--line-soft);
  border-radius: 9px;
  padding: 7px 9px 8px;
  background: rgba(9, 14, 21, .55);
  min-width: 0;
}
.value dt {
  font-size: 9px;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin: 0 0 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.value dd {
  margin: 0;
  font: 12px/1.35 var(--mono);
  color: var(--text);
  overflow-wrap: anywhere;
}
.value dd small { color: var(--muted); font-size: 10px; }
.value.wide { grid-column: 1 / -1; }
.value.accent dd { color: var(--accent); }

.chips { display: flex; flex-wrap: wrap; gap: 5px; }
.chip {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  padding: 4px 8px;
  border-radius: 7px;
  border: 1px solid var(--line);
  background: rgba(10, 16, 23, .75);
  color: var(--text);
  font: 11px var(--mono);
  cursor: default;
}
.chip span { color: var(--muted-2); font-size: 9px; }
.chip.ion { cursor: pointer; transition: border-color .12s, background .12s; }
.chip.ion:hover { border-color: color-mix(in srgb, var(--cat) 55%, transparent); }
.chip.ion.active {
  border-color: var(--accent);
  background: rgba(94, 234, 212, .1);
  color: #d7fff8;
}
.chip.neg { border-color: rgba(251, 113, 133, .28); }

/* ionization table */
.iedetails summary {
  cursor: pointer;
  font: 10px var(--mono);
  color: var(--muted);
  padding: 5px 0 2px;
  user-select: none;
}
.iedetails summary:hover { color: var(--text); }
table.mini {
  width: 100%;
  border-collapse: collapse;
  font: 10.5px var(--mono);
}
table.mini th {
  text-align: left;
  font-weight: 500;
  color: var(--muted-2);
  font-size: 9px;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 3px 4px;
  border-bottom: 1px solid var(--line);
}
table.mini td {
  padding: 3px 4px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--text);
}
table.mini td.muted { color: var(--muted); }
table.mini tr:last-child td { border-bottom: 0; }

/* config */
.config-box {
  padding: 10px 11px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(8, 13, 19, .85);
  font: 12px/1.65 var(--mono);
  color: #cfe3f7;
  overflow-wrap: anywhere;
}
.config-box .short { display: block; margin-top: 3px; color: var(--accent); }
.config-box .label {
  display: block;
  font: 8.5px var(--sans);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-bottom: 2px;
}

/* orbital diagram */
.orbitals {
  display: flex;
  flex-wrap: wrap;
  gap: 7px 10px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(8, 13, 19, .7);
}
.orb { display: flex; align-items: center; gap: 4px; }
.orb-label {
  font: 9.5px var(--mono);
  color: var(--muted);
  margin-right: 1px;
  white-space: nowrap;
}
.orb-label sup { font-size: 7px; }
.box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 1px;
  width: 17px;
  height: 21px;
  border: 1px solid #31445a;
  border-radius: 2px;
  background: rgba(15, 24, 34, .9);
  font: 11px/1 var(--mono);
  color: var(--accent);
}
.box.full { border-color: color-mix(in srgb, var(--accent) 34%, #31445a); color: #b9f5ea; }
.box.empty { color: transparent; }

/* quantum */
.quants {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 5px;
}
.quant {
  padding: 7px 6px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: rgba(9, 14, 21, .55);
  text-align: center;
}
.quant b { display: block; font: 15px/1.2 var(--mono); color: var(--text); }
.quant span { font-size: 8.5px; color: var(--muted-2); letter-spacing: .05em; text-transform: uppercase; }
.quant .q-note { display: block; margin-top: 2px; font-size: 8.5px; color: var(--accent); font-family: var(--mono); }

/* shells */
.sig-split {
  display: grid;
  grid-template-columns: 158px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
}
.shells-wrap {
  display: grid;
  place-items: center;
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  background: radial-gradient(circle at 50% 45%, rgba(56, 189, 248, .08), transparent 65%), rgba(8, 13, 19, .6);
  padding: 5px;
}
.shells-wrap canvas { width: 148px; height: 148px; display: block; }
.term-big {
  font: 30px/1.1 var(--mono);
  color: var(--text);
  letter-spacing: .02em;
  margin: 2px 0 3px;
}
.term-big sub { font-size: 15px; }
.term-big sup { font-size: 15px; }
.term-note { font-size: 10px; color: var(--muted-2); line-height: 1.5; }

/* spectrum */
.spectrum-box {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #05080c;
  overflow: hidden;
}
.spectrum-box canvas { display: block; width: 100%; height: 190px; }
.spectrum-box.small canvas { height: 112px; }
.spectrum-box .axis-note {
  position: absolute;
  right: 8px;
  top: 7px;
  font: 8.5px var(--mono);
  color: #4a5c72;
  letter-spacing: .04em;
}
.spectrum-empty {
  display: grid;
  place-items: center;
  min-height: 96px;
  padding: 18px;
  text-align: center;
  font-size: 11px;
  color: var(--muted-2);
  border: 1px dashed #243141;
  border-radius: 10px;
}
.spectrum-controls {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.spectrum-controls .pill {
  padding: 4px 9px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(9, 14, 21, .7);
  color: var(--muted);
  font: 10px var(--mono);
  cursor: pointer;
}
.spectrum-controls .pill.active {
  color: #d7fff8;
  border-color: var(--accent);
  background: rgba(94, 234, 212, .1);
}
.spectrum-meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 7px;
  font: 9.5px var(--mono);
  color: var(--muted-2);
}
.spectrum-meta b { color: var(--muted); font-weight: 500; }

/* ions */
.ion-list { display: flex; flex-wrap: wrap; gap: 6px; }
.ion-btn {
  display: inline-flex;
  align-items: baseline;
  padding: 6px 11px;
  border-radius: 9px;
  border: 1px solid var(--line);
  background: rgba(9, 14, 21, .75);
  color: #dbe8f8;
  font: 13px var(--mono);
  cursor: pointer;
  transition: border-color .12s, background .12s, transform .12s;
}
.ion-btn:hover { border-color: #38506a; transform: translateY(-1px); }
.ion-btn.active {
  border-color: var(--accent);
  background: rgba(94, 234, 212, .1);
  box-shadow: 0 0 0 1px rgba(94, 234, 212, .22);
  color: #e8fffb;
}
.ion-btn .charge-note { margin-left: 6px; font: 9px var(--sans); color: var(--muted-2); }
.ion-hero {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.ion-hero .ion-label {
  font: 30px/1 var(--mono);
  color: var(--accent);
  letter-spacing: -.02em;
}
.ion-hero .ion-sub { font-size: 10.5px; color: var(--muted); line-height: 1.5; }

.radius-table td:first-child { color: var(--text); }
.spin-tag {
  display: inline-block;
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 8px;
  letter-spacing: .04em;
  border: 1px solid var(--line);
  color: var(--muted);
}
.iso-list .chip { font-size: 10px; }
.iso-list .chip.current {
  border-color: var(--accent);
  background: rgba(94, 234, 212, .12);
  color: var(--accent);
}
.iso-list .chip[data-kind="ion"] { cursor: pointer; }
.iso-list .chip[data-kind="ion"]:hover { border-color: #38506a; }

/* misc */
.muted { color: var(--muted); }
.mono { font-family: var(--mono); }
.note {
  margin: 10px 0 0;
  padding: 8px 10px;
  border-left: 2px solid #243141;
  font-size: 10px;
  line-height: 1.55;
  color: var(--muted-2);
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 9px;
  border: 1px solid var(--line);
  background: rgba(12, 19, 27, .9);
  color: var(--text);
  font: 11px var(--sans);
  cursor: pointer;
  transition: border-color .14s, background .14s;
}
.btn:hover { border-color: #38506a; background: #121d29; }
.btn.accent { border-color: rgba(94, 234, 212, .4); color: #d7fff8; background: rgba(94, 234, 212, .08); }

.tooltip {
  position: fixed;
  z-index: 100;
  padding: 5px 8px;
  border-radius: 6px;
  border: 1px solid #2a3b50;
  background: rgba(8, 13, 19, .96);
  color: var(--text);
  font: 10.5px var(--mono);
  pointer-events: none;
  box-shadow: 0 6px 20px rgba(0, 0, 0, .5);
  white-space: nowrap;
}

.site-footer {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  padding: 18px 26px 26px;
  font: 10px var(--mono);
  color: #4c5d73;
}
.site-footer .sep { color: #2b3a4c; }

/* ---------- responsive ---------- */
@media (max-width: 1320px) {
  main { grid-template-columns: minmax(0, 1fr) 440px; gap: 16px; padding: 16px 18px 6px; }
  .topbar { padding: 12px 18px; }
}
@media (max-width: 1240px) {
  main { grid-template-columns: minmax(0, 1fr); }
  .panel { position: relative; top: 0; max-height: none; }
  .ptable { max-width: 1000px; margin: 0 auto; }
  .cell .sym { font-size: clamp(14px, 1.9vw, 21px); }
}
@media (max-width: 860px) {
  .topbar { flex-wrap: wrap; gap: 10px 14px; }
  .search-wrap { order: 3; flex-basis: 100%; max-width: none; margin-left: 0; }
  .meta-strip { margin-left: auto; }
  .ptable-scroll { overflow-x: auto; padding-bottom: 6px; }
  .ptable { min-width: 720px; }
  main { padding: 12px 12px 4px; }
  .panel { padding: 14px; border-radius: 14px; }
  .hero-sym { width: 72px; height: 72px; font-size: 31px; }
  .hero-info h2 { font-size: 21px; }
}
@media (max-width: 560px) {
  .brand-text h1 { font-size: 15px; }
  .brand-text p { font-size: 10px; }
  .meta-strip { display: none; }
  .values { grid-template-columns: 1fr; }
  .value.wide { grid-column: auto; }
  .sig-split { grid-template-columns: 1fr; }
  .shells-wrap canvas { width: 130px; height: 130px; }
  .quants { grid-template-columns: repeat(2, 1fr); }
  .welcome .facts { grid-template-columns: 1fr 1fr 1fr; }
}

/* ---------- modalità Oggi / Storia ---------- */
.mode-switch {
  display: inline-flex;
  flex: none;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: rgba(8, 13, 19, .72);
}
.mode-switch button {
  border: 0;
  border-radius: 6px;
  padding: 5px 10px;
  background: transparent;
  color: var(--muted);
  font: 10.5px var(--sans);
  cursor: pointer;
  transition: background .14s, color .14s;
}
.mode-switch button:hover { color: var(--text); }
.mode-switch button.active {
  color: var(--text);
  background: #17222f;
  box-shadow: inset 0 0 0 1px #27384b;
}
.mode-switch button[data-mode="history"].active { color: var(--accent); }

/* ---------- linea temporale ---------- */
.timeline {
  margin: 0 0 12px;
  padding: 12px 14px 11px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background:
    radial-gradient(520px 130px at 0% 0%, rgba(94, 234, 212, .06), transparent 70%),
    linear-gradient(180deg, rgba(13, 21, 31, .92), rgba(8, 13, 19, .92));
}
.timeline[hidden] { display: none; }
.timeline-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
}
.timeline-year { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.timeline-year b {
  font: 27px/1 var(--mono);
  letter-spacing: -.02em;
  color: var(--text);
}
.timeline-year span {
  font: 10.5px var(--sans);
  color: var(--accent);
}
.timeline-count {
  font: 9.5px/1.4 var(--mono);
  color: var(--muted);
  text-align: right;
  white-space: nowrap;
}
#tl-range {
  width: 100%;
  margin: 9px 0 1px;
  accent-color: var(--accent);
  cursor: pointer;
}
.timeline-ticks {
  display: flex;
  justify-content: space-between;
  font: 8.5px var(--mono);
  color: var(--muted-2);
  letter-spacing: .02em;
  padding: 0 1px;
}
.timeline-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 9px;
}
.era {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1px;
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(8, 13, 19, .6);
  cursor: pointer;
  transition: border-color .12s, background .12s;
}
.era:hover { border-color: #38506a; }
.era b { font: 10.5px var(--mono); color: var(--text); font-weight: 500; }
.era span { font: 8.5px var(--sans); color: var(--muted-2); }
.era.active {
  border-color: rgba(94, 234, 212, .55);
  background: rgba(94, 234, 212, .08);
}
.era.active b { color: var(--accent); }
.timeline-note {
  margin: 8px 0 0;
  font-size: 9.5px;
  line-height: 1.5;
  color: var(--muted-2);
}

/* ---------- stato storico delle celle ---------- */
.cell.unknown {
  opacity: .30;
  border-style: dashed;
  filter: saturate(.25);
}
.cell.unknown .sym { color: var(--muted); }
.cell.unknown:hover { opacity: .62; }
.cell.unknown.selected { opacity: .72; }
.cell.no-weight .mass { color: var(--muted-2); }

/* ---------- scheda storica ---------- */
.history-card {
  margin-top: 14px;
  padding: 14px 15px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background:
    radial-gradient(420px 150px at 100% 0%, rgba(94, 234, 212, .07), transparent 70%),
    rgba(8, 13, 19, .72);
}
.history-card .hyear {
  font: 9.5px var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.history-card .hvalue {
  display: flex;
  align-items: baseline;
  gap: 7px;
  margin: 9px 0 2px;
  font: 39px/1 var(--mono);
  color: var(--accent);
  letter-spacing: -.02em;
}
.history-card .hvalue small { font: 13px var(--mono); color: var(--muted); }
.history-card .hsub { font-size: 11px; color: var(--muted); }
.history-card .hmodern {
  margin-top: 9px;
  font: 10.5px var(--mono);
  color: var(--text);
}
.history-card .hmodern b { color: var(--muted); font-weight: 500; }
.history-card.unknown {
  border-color: rgba(251, 113, 133, .32);
  background:
    radial-gradient(420px 150px at 100% 0%, rgba(251, 113, 133, .07), transparent 70%),
    rgba(8, 13, 19, .72);
}
.history-card.unknown .hvalue { color: var(--danger); }
.history-card.unknown .hmodern { color: var(--muted); }
.history-table tr.current td { color: var(--accent); }
.history-table tr.current td:first-child { color: var(--accent); }
.history-sub {
  margin: 8px 0 0;
  font: 9.5px/1.55 var(--mono);
  color: var(--muted-2);
}
.history-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }

@media (max-width: 860px) {
  .meta-strip { order: 1; margin-left: auto; }
  .catalog-btn { order: 2; }
  .mode-switch { order: 3; }
  .search-wrap { order: 4; }
  .timeline { padding: 10px 11px 10px; }
  .timeline-year b { font-size: 24px; }
  .timeline-count { font-size: 9px; }
  .timeline-note { font-size: 9px; }
}
@media (max-width: 560px) {
  .timeline-count { display: none; }
  .era { padding: 5px 7px; }
  .era span { font-size: 8px; }
}

/* ---------- catalogo ioni ---------- */
.catalog-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: none;
  height: 34px;
  padding: 0 11px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: rgba(8, 13, 19, .72);
  color: var(--text);
  font: 10.5px var(--sans);
  cursor: pointer;
  transition: border-color .14s, background .14s;
}
.catalog-btn:hover { border-color: #38506a; background: #121d29; }
.catalog-mark { color: var(--accent); font: 14px var(--mono); line-height: 1; }

body.modal-open { overflow: hidden; }

.modal {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 22px;
  background: rgba(3, 6, 9, .76);
  backdrop-filter: blur(9px);
}
.modal[hidden] { display: none; }
.modal-shell {
  width: min(1120px, 100%);
  height: min(800px, 92vh);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid #27384b;
  border-radius: 18px;
  background:
    radial-gradient(700px 220px at 100% 0%, rgba(56, 189, 248, .06), transparent 70%),
    #0a1017;
  box-shadow: 0 30px 90px rgba(0, 0, 0, .6);
}
.modal-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 20px 14px;
  border-bottom: 1px solid var(--line);
  flex: none;
}
.modal-head .kicker {
  font: 9px var(--mono);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
}
.modal-head h2 { margin: 5px 0 3px; font-size: 23px; line-height: 1.1; letter-spacing: -.01em; }
.modal-head p { margin: 0; font-size: 10.5px; color: var(--muted); }
.modal-close {
  flex: none;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: transparent;
  color: var(--muted);
  font: 20px/1 var(--sans);
  cursor: pointer;
}
.modal-close:hover { color: var(--text); border-color: #38506a; }
.modal-body { flex: 1; min-height: 0; display: grid; grid-template-columns: 390px minmax(0, 1fr); }
.ion-list-pane {
  min-height: 0;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line);
  background: rgba(7, 11, 16, .55);
}
.ion-tools { padding: 12px; border-bottom: 1px solid var(--line-soft); flex: none; }
.ion-tools input {
  width: 100%;
  height: 36px;
  padding: 0 11px;
  border-radius: 9px;
  border: 1px solid var(--line);
  background: rgba(8, 13, 19, .9);
  color: var(--text);
  font: 11.5px var(--sans);
  outline: none;
}
.ion-tools input:focus { border-color: rgba(94, 234, 212, .5); box-shadow: 0 0 0 3px rgba(94, 234, 212, .08); }
.ion-filters { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 8px; }
.ion-filters button {
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font: 9px var(--sans);
  cursor: pointer;
}
.ion-filters button:hover { color: var(--text); }
.ion-filters button.active { color: #d7fff8; border-color: rgba(94, 234, 212, .45); background: rgba(94, 234, 212, .08); }
.ion-list { flex: 1; overflow: auto; scrollbar-width: thin; scrollbar-color: #243244 transparent; }
.ion-row {
  width: 100%;
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr) 62px;
  gap: 9px;
  align-items: center;
  padding: 8px 12px;
  border: 0;
  border-bottom: 1px solid var(--line-soft);
  background: transparent;
  color: var(--text);
  text-align: left;
  cursor: pointer;
}
.ion-row:hover { background: rgba(94, 234, 212, .04); }
.ion-row.active { background: rgba(94, 234, 212, .085); box-shadow: inset 2px 0 0 var(--accent); }
.ion-row-formula { font: 14px var(--mono); color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ion-row-formula sup { font-size: 8px; color: var(--accent); }
.ion-row-formula sub { font-size: 8px; }
.ion-row-name { min-width: 0; display: flex; flex-direction: column; gap: 1px; }
.ion-row-name b { font-size: 11.5px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ion-row-name small { font-size: 8.5px; color: var(--muted-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ion-row-mass { font: 9.5px var(--mono); color: var(--muted); text-align: right; }

.ion-detail {
  min-height: 0;
  overflow: auto;
  padding: 18px 20px 22px;
  scrollbar-width: thin;
  scrollbar-color: #243244 transparent;
}
.ion-detail-empty { display: grid; place-items: center; height: 100%; color: var(--muted-2); font-size: 12px; text-align: center; padding: 30px; }
.ion-detail-hero { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.ion-detail-formula {
  flex: none;
  min-width: 92px;
  padding: 12px 14px;
  border: 1px solid color-mix(in srgb, var(--cat, #5eead4) 35%, transparent);
  border-radius: 13px;
  background: rgba(8, 13, 19, .75);
  max-width: 220px;
  overflow-wrap: anywhere;
  font: 34px/1.05 var(--mono);
  color: var(--accent);
  text-align: center;
}
.ion-detail-formula sup { font-size: 15px; }
.ion-detail-formula sub { font-size: 15px; }
.ion-detail h3 { margin: 0; font-size: 21px; line-height: 1.1; }
.ion-detail .ion-en { margin: 3px 0 0; font-size: 10.5px; color: var(--muted); }
.ion-badges { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 10px; }
.ion-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(8, 13, 19, .5);
  color: var(--muted);
  font: 9px var(--sans);
  letter-spacing: .01em;
}
.ion-badge.cation { color: #7dd3fc; border-color: rgba(125, 211, 252, .3); background: rgba(125, 211, 252, .06); }
.ion-badge.anion { color: #fda4af; border-color: rgba(253, 164, 175, .3); background: rgba(253, 164, 175, .06); }
.ion-badge.accent { color: var(--accent); border-color: rgba(94, 234, 212, .3); }

.ion-detail .values { margin-top: 14px; }
.ion-detail .value dd code { font: 10px var(--mono); color: #cfe3f7; overflow-wrap: anywhere; }
.ion-detail .value dd a { color: var(--accent); text-decoration: none; }
.ion-detail .value dd a:hover { text-decoration: underline; }
.ion-detail .sec-title { margin-top: 18px; }
.source-links { display: flex; flex-wrap: wrap; gap: 5px; }
.source-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: rgba(8, 13, 19, .55);
  color: var(--text);
  font: 9.5px var(--sans);
  text-decoration: none;
}
.source-link:hover { border-color: #38506a; background: #121d29; }
.source-link span { color: var(--muted-2); font-size: 8px; }
.ion-element-chips { display: flex; flex-wrap: wrap; gap: 5px; }
.ion-element-chips button {
  border: 1px solid var(--line);
  border-radius: 7px;
  background: rgba(8, 13, 19, .55);
  color: var(--text);
  font: 10px var(--mono);
  padding: 4px 8px;
  cursor: pointer;
}
.ion-element-chips button:hover { border-color: var(--accent); }
.ion-detail .note { margin-top: 14px; }
.modal-foot {
  flex: none;
  padding: 9px 18px;
  border-top: 1px solid var(--line);
  font: 8.5px/1.6 var(--mono);
  color: var(--muted-2);
  display: flex;
  flex-wrap: wrap;
  gap: 4px 8px;
  align-items: center;
}
.modal-foot a { color: var(--muted); text-decoration: none; }
.modal-foot a:hover { color: var(--accent); }
.modal-foot .sep { color: #2b3a4c; }

@media (max-width: 900px) {
  .modal { padding: 0; }
  .modal-shell { width: 100%; height: 100%; max-height: none; border-radius: 0; border: 0; }
  .modal-body { grid-template-columns: 1fr; grid-template-rows: minmax(0, 45%) minmax(0, 55%); }
  .ion-list-pane { max-height: none; border-right: 0; border-bottom: 1px solid var(--line); }
  .ion-detail { padding: 14px 15px 20px; min-height: 0; overflow: auto; }
  .ion-row { grid-template-columns: 72px minmax(0, 1fr); }
  .ion-row-mass { display: none; }
  .modal-head { padding: 12px 15px 11px; }
  .modal-head h2 { font-size: 20px; }
}

.link-btn {
  border: 0;
  background: transparent;
  color: var(--accent);
  font: 11px var(--mono);
  padding: 0;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ---------- fonti a confronto (Lr) ---------- */
.source-review {
  margin: 0 0 14px;
  padding: 13px 14px 12px;
  border: 1px solid rgba(94, 234, 212, .28);
  border-radius: 12px;
  background:
    radial-gradient(420px 150px at 100% 0%, rgba(94, 234, 212, .08), transparent 70%),
    rgba(8, 13, 19, .68);
}
.source-review .kicker {
  font: 8.5px var(--mono);
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--accent);
}
.source-review h3 {
  margin: 6px 0 8px;
  font-size: 15px;
  line-height: 1.2;
  letter-spacing: -.01em;
}
.source-review ul {
  margin: 0;
  padding: 0 0 0 15px;
  display: grid;
  gap: 6px;
}
.source-review li {
  font-size: 10.5px;
  line-height: 1.5;
  color: var(--muted);
}
.source-review li b { color: var(--text); font-weight: 500; }
.source-review .note { margin-top: 9px; padding: 0; border: 0; }

/* ---------- bibliografia ---------- */
.bib-sec .bib-group h4 {
  margin: 0 0 7px;
  font: 9px var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
}
.bib-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.bib-item {
  position: relative;
  padding: 7px 0 7px 13px;
  border-left: 2px solid rgba(94, 234, 212, .22);
  font-size: 10.5px;
  line-height: 1.45;
  color: var(--muted);
}
.bib-authors { display: block; color: var(--text); font-weight: 500; }
.bib-title { display: block; color: var(--text); }
.bib-meta { display: block; font: 9.5px var(--mono); color: var(--muted); margin-top: 1px; }
.bib-links { display: block; margin-top: 3px; font: 9.5px var(--mono); }
.bib-links a { color: var(--accent); text-decoration: none; border-bottom: 1px dotted rgba(94, 234, 212, .45); }
.bib-links a:hover { border-bottom-style: solid; }
.bib-note { display: block; margin-top: 2px; font-size: 9.5px; color: var(--muted); }
.bib-general { margin-top: 11px; border-top: 1px solid var(--line); padding-top: 9px; }
.bib-general > summary {
  cursor: pointer;
  font: 9px var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  list-style: none;
}
.bib-general > summary::-webkit-details-marker { display: none; }
.bib-general > summary::before { content: "＋ "; }
.bib-general[open] > summary::before { content: "− "; }
.bib-general .bib-list { margin-top: 8px; }
.bib-actions {
  display: flex;
  align-items: center;
  gap: 9px;
  flex-wrap: wrap;
  margin-top: 10px;
}
.bib-actions .btn { padding: 5px 9px; font-size: 9px; }
.bib-actions .note { margin: 0; padding: 0; border: 0; }

/* ---------- scheda riassuntiva ---------- */
.summary-sheet {
  margin: 0 0 12px;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: rgba(10, 16, 23, .55);
}
.summary-sheet .kicker {
  font: 8.5px var(--mono);
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 5px;
}
.summary-sheet p {
  margin: 0;
  font-size: 11px;
  line-height: 1.5;
  color: var(--text);
}
.summary-sheet .note { margin-top: 5px; padding: 0; border: 0; color: var(--muted); font-size: 9.5px; }

/* ---------- abbondanza: bottone e vista a tastiera ---------- */
.abundance-btn {
  flex: none;
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: rgba(8, 13, 19, .72);
  color: var(--accent);
  font: 17px var(--mono);
  line-height: 1;
  cursor: pointer;
  transition: border-color .14s, background .14s, transform .14s;
}
.abundance-btn:hover { border-color: var(--accent); background: rgba(94, 234, 212, .08); transform: translateY(-1px); }

.abundance-shell { width: min(1320px, 96vw); height: min(900px, 94vh); }
.abundance-toolbar {
  flex: none;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 9px 16px;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 11, 16, .5);
}
.abundance-tabs { display: flex; gap: 5px; flex-wrap: wrap; }
.abundance-tabs button {
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: rgba(8, 13, 19, .7);
  color: var(--muted);
  font: 10px var(--sans);
  cursor: pointer;
}
.abundance-tabs button:hover { border-color: #38506a; color: var(--text); }
.abundance-tabs button.active {
  border-color: rgba(94, 234, 212, .5);
  color: var(--accent);
  background: rgba(94, 234, 212, .08);
}
.abundance-legend { display: flex; flex-wrap: wrap; gap: 5px 9px; margin-left: auto; }
.ab-key { display: inline-flex; align-items: center; gap: 4px; font: 8.5px var(--mono); color: var(--muted-2); white-space: nowrap; }
.ab-key i { width: 7px; height: 7px; border-radius: 2px; display: inline-block; }
.abundance-stage {
  position: relative;
  flex: 1;
  min-height: 0;
  overflow: hidden;
  background:
    radial-gradient(700px 400px at 50% 30%, rgba(56, 189, 248, .07), transparent 70%),
    radial-gradient(500px 300px at 80% 80%, rgba(94, 234, 212, .04), transparent 70%),
    #070c12;
}
#abundance-canvas { display: block; width: 100%; height: 100%; cursor: default; }
.abundance-tooltip {
  position: absolute;
  z-index: 2;
  min-width: 120px;
  max-width: 230px;
  padding: 6px 8px;
  border: 1px solid #2a3b50;
  border-radius: 7px;
  background: rgba(6, 11, 16, .96);
  color: var(--text);
  font: 9.5px/1.45 var(--mono);
  pointer-events: none;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .55);
}
.abundance-tooltip b { color: var(--accent); font-weight: 500; }
.abundance-shell .modal-foot { font-size: 8px; }

@media (max-width: 860px) {
  .meta-strip { order: 1; margin-left: auto; }
  .abundance-btn { order: 2; }
  .catalog-btn { order: 3; }
  .mode-switch { order: 4; }
  .search-wrap { order: 5; }
  .abundance-legend { display: none; }
  .abundance-toolbar { padding: 8px 12px; }
  .abundance-shell { width: 100%; height: 100%; max-height: none; border-radius: 0; border: 0; }
  .abundance-stage { min-height: 0; }
}

/* ---------- isotopi ---------- */
.iso-bars { display: grid; gap: 4px; margin-bottom: 10px; }
.iso-row {
  display: grid;
  grid-template-columns: 58px minmax(40px, 1fr) 62px 58px;
  align-items: center;
  gap: 6px;
  font: 9.5px var(--mono);
  color: var(--muted);
}
.iso-mass { color: var(--text); }
.iso-mass sup { font-size: .72em; }
.iso-track { height: 7px; border-radius: 3px; background: #16212d; overflow: hidden; }
.iso-track i { display: block; height: 100%; border-radius: 3px; background: linear-gradient(90deg, #2dd4bf, #5eead4); }
.iso-pct { text-align: right; color: var(--text); }
.iso-tag { font-size: 8px; letter-spacing: .03em; text-align: right; }
.iso-tag.stable { color: #5eead4; }
.iso-tag.radio { color: var(--muted-2); }

/* proprietà nel modale 3D */
.abundance-property {
  height: 28px;
  padding: 0 9px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: rgba(8, 13, 19, .8);
  color: var(--text);
  font: 9px var(--mono);
  cursor: pointer;
}
.abundance-property:focus { outline: 1px solid var(--accent); outline-offset: 1px; }
.abundance-tabs[hidden] { display: none; }

/* ---------- export e stampa ---------- */
.foot-btn {
  border: 1px solid #1d2a39;
  border-radius: 5px;
  background: transparent;
  color: #6f8299;
  font: 8.5px var(--mono);
  padding: 2px 6px;
  cursor: pointer;
}
.foot-btn:hover { color: var(--accent); border-color: #355064; }

@media print {
  .topbar, .table-wrap, .site-footer, .modal, .tooltip, .history-actions, .bib-actions { display: none !important; }
  body { background: #fff !important; }
  main { display: block; padding: 0; }
  .panel { position: static; max-height: none; width: 100%; border: 0; background: #fff !important; box-shadow: none; }
  .panel *, .panel *::before, .panel *::after { color: #111 !important; border-color: #ccc !important; background: transparent !important; box-shadow: none !important; }
  .panel .sec { break-inside: avoid; page-break-inside: avoid; }
  .panel .sec-title { border-bottom: 1px solid #ccc; }
  .panel .config-box { border: 1px solid #ccc; }
  .panel .source-link, .panel .bib-links a { text-decoration: underline; }
}

/* ---------- testo in elementi ---------- */
.text-btn {
  flex: none;
  width: 34px; height: 34px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); border-radius: 9px;
  background: rgba(8, 13, 19, .72); color: var(--accent);
  font: 13px var(--mono); line-height: 1; cursor: pointer;
  transition: border-color .14s, background .14s, transform .14s;
}
.text-btn:hover { border-color: var(--accent); background: rgba(94, 234, 212, .08); transform: translateY(-1px); }

.text-shell { width: min(1240px, 96vw); height: min(900px, 94vh); }
.text-toolbar {
  flex: none; padding: 10px 16px;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 11, 16, .5);
}
#text-input {
  width: 100%; min-height: 66px; max-height: 170px;
  resize: vertical; box-sizing: border-box;
  padding: 9px 11px; border: 1px solid var(--line); border-radius: 9px;
  background: rgba(8, 13, 19, .8); color: var(--text);
  font: 13px/1.45 var(--mono); outline: none;
}
#text-input:focus { border-color: rgba(94, 234, 212, .55); }
.text-controls { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.text-controls select {
  height: 28px; padding: 0 8px; border: 1px solid var(--line); border-radius: 7px;
  background: rgba(8, 13, 19, .8); color: var(--text); font: 9px var(--mono); cursor: pointer;
}
.text-check { display: inline-flex; align-items: center; gap: 5px; font: 9px var(--mono); color: var(--muted); cursor: pointer; }
.text-check input { accent-color: var(--accent); }
.text-controls .btn { padding: 5px 9px; font-size: 9px; }
.text-body { flex: 1; min-height: 0; overflow: auto; padding: 13px 16px 18px; }
.text-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 7px; }
.text-stat { padding: 8px 10px; border: 1px solid var(--line); border-radius: 9px; background: rgba(9, 14, 21, .55); }
.text-stat b { display: block; font: 20px/1.1 var(--mono); color: var(--text); }
.text-stat span { display: block; margin-top: 3px; font: 8px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted-2); }
.text-weight {
  display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap;
  margin: 10px 0; padding: 10px 12px;
  border: 1px solid rgba(94, 234, 212, .3); border-radius: 10px;
  background: rgba(94, 234, 212, .06);
}
.text-weight b { font: 28px/1 var(--mono); color: var(--accent); }
.text-weight span { font: 9px var(--mono); color: var(--muted); }
.text-grid { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 14px; align-items: start; }
.text-panel h4 { margin: 0 0 6px; font: 9px var(--mono); letter-spacing: .13em; text-transform: uppercase; color: var(--accent); }
.text-elements { width: 100%; border-collapse: collapse; font: 9px var(--mono); }
.text-elements th { text-align: left; padding: 3px 5px; border-bottom: 1px solid var(--line); color: var(--muted-2); font-weight: 400; }
.text-elements td { padding: 4px 5px; border-bottom: 1px solid var(--line-soft); color: var(--muted); vertical-align: middle; }
.text-elements td:first-child b { color: var(--text); font-weight: 500; }
.text-stock { min-width: 64px; }
.text-stock i { display: block; height: 5px; border-radius: 2px; background: #1b2a38; overflow: hidden; }
.text-stock i em { display: block; height: 100%; background: linear-gradient(90deg, #2dd4bf, #fbbf24); }
.text-badge { font-size: 7.5px; color: var(--muted-2); }
.text-badge.empty { color: var(--danger); }
.chem-keyboard { display: grid; grid-template-columns: repeat(10, minmax(0, 1fr)); gap: 4px; }
.chem-key {
  position: relative; min-height: 39px; padding: 3px 2px 4px;
  border: 1px solid var(--line); border-radius: 6px;
  background: rgba(8, 13, 19, .7); color: var(--muted-2);
  font: 9px var(--mono); cursor: pointer;
}
.chem-key b { display: block; font: 11px var(--mono); color: var(--text); font-weight: 500; }
.chem-key span { display: block; font-size: 7.5px; }
.chem-key i { position: absolute; left: 3px; right: 3px; bottom: 3px; height: 3px; border-radius: 1px; background: #182430; overflow: hidden; }
.chem-key i em { display: block; height: 100%; background: var(--accent); }
.chem-key.has { border-color: rgba(94, 234, 212, .28); }
.chem-key.used { border-color: rgba(251, 191, 36, .65); background: rgba(251, 191, 36, .09); }
.chem-key.dead { opacity: .45; }
.letter-bars { display: grid; grid-template-columns: repeat(13, minmax(0, 1fr)); gap: 3px; margin-top: 9px; }
.letter-bar { text-align: center; font: 7.5px var(--mono); color: var(--muted-2); }
.letter-bar span { display: block; height: 34px; display: flex; align-items: flex-end; justify-content: center; }
.letter-bar span i { display: block; width: 7px; min-height: 1px; border-radius: 1px 1px 0 0; background: #2dd4bf; }
.letter-bar b { display: block; color: var(--muted); font-weight: 400; }
.text-seg { display: flex; flex-wrap: wrap; gap: 4px; margin: 5px 0 8px; }
.text-seg span { padding: 2px 6px; border: 1px solid var(--line); border-radius: 5px; font: 9px var(--mono); color: var(--text); }
.text-seg span.plain { border-color: rgba(251, 113, 133, .35); color: var(--danger); }
.text-note { margin: 8px 0 0; font: 9px/1.5 var(--mono); color: var(--muted-2); }
.text-langline { margin: 7px 0; font: 9px/1.5 var(--mono); color: var(--muted); }
.text-langline b { color: var(--text); font-weight: 500; }

@media (max-width: 900px) {
  .text-shell { width: 100%; height: 100%; max-height: none; border-radius: 0; border: 0; }
  .text-grid { grid-template-columns: 1fr; }
  .text-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .text-btn, .abundance-btn { order: 2; }
  .catalog-btn { order: 3; }
  .mode-switch { order: 4; }
  .search-wrap { order: 5; }
  .meta-strip { order: 1; }
}
.chem-key.dead { opacity: .8; }
.chem-key.dead b { color: var(--muted-2); }
.chem-key.dead span { color: var(--muted); }

/* import file e ngram */
.text-input, #text-input.dragging { border-color: var(--accent); }
.text-file-note { font: 8.5px var(--mono); color: var(--muted-2); }
.ngram-panel {
  flex: none;
  border-top: 1px solid var(--line);
  background: rgba(7, 11, 16, .55);
  padding: 7px 16px 8px;
}
.ngram-panel > summary {
  cursor: pointer;
  font: 9px var(--mono);
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--accent);
  list-style: none;
}
.ngram-panel > summary::-webkit-details-marker { display: none; }
.ngram-panel > summary::before { content: "＋ "; }
.ngram-panel[open] > summary::before { content: "− "; }
.ngram-controls { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; margin: 7px 0 5px; }
#ngram-words {
  flex: 1 1 220px; min-width: 120px; height: 28px; padding: 0 8px;
  border: 1px solid var(--line); border-radius: 7px;
  background: rgba(8, 13, 19, .8); color: var(--text); font: 9px var(--mono);
}
.ngram-controls .btn { padding: 5px 8px; font-size: 8.5px; }
#ngram-chart { display: block; width: 100%; height: 190px; border: 1px solid var(--line); border-radius: 8px; background: rgba(5, 9, 14, .6); }
.ngram-panel .text-note { margin-top: 4px; }

/* opere, fasi e anacronismi */
.text-year-label input {
  width: 68px; height: 24px; padding: 0 5px; border: 1px solid var(--line); border-radius: 5px;
  background: rgba(8, 13, 19, .8); color: var(--text); font: 9px var(--mono);
}
.work-strip {
  margin: 0 0 10px; padding: 9px 11px;
  border: 1px solid rgba(251, 191, 36, .25); border-radius: 9px;
  background: rgba(251, 191, 36, .045);
}
.work-head { display: flex; align-items: baseline; gap: 7px; flex-wrap: wrap; font: 9px var(--mono); color: var(--muted); }
.work-head b { color: var(--text); font-size: 11px; }
.work-kicker { font: 8px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: #fbbf24; }
.work-years { color: var(--muted-2); }
.work-head a { color: var(--accent); text-decoration: none; border-bottom: 1px dotted rgba(94, 234, 212, .45); }
.work-note { margin: 5px 0 7px; font: 9px/1.45 var(--mono); color: var(--muted-2); }
.work-note b { color: var(--muted); font-weight: 500; }
.phase-chips { display: flex; gap: 4px; flex-wrap: wrap; }
.phase-chip {
  display: inline-flex; align-items: baseline; gap: 4px; padding: 4px 6px;
  border: 1px solid var(--line); border-radius: 6px; background: rgba(8, 13, 19, .65);
  color: var(--muted); font: 8.5px var(--mono); cursor: pointer;
}
.phase-chip:hover { border-color: #38506a; color: var(--text); }
.phase-chip.active { border-color: rgba(251, 191, 36, .6); background: rgba(251, 191, 36, .09); color: var(--text); }
.phase-chip b { color: #fbbf24; font-weight: 500; }
.phase-chip small { color: var(--muted-2); font-size: 7.5px; }
.text-elements tr.anachronistic td { color: #fca5a5; }
.text-elements tr.anachronistic td:first-child b { color: #fca5a5; }
.text-note.anach { border-left-color: rgba(251, 113, 133, .55); color: #fca5a5; }

/* statistiche caratteri e massa-energia */
.text-categories { display: flex; flex-wrap: wrap; gap: 4px 8px; margin: -2px 0 8px; font: 8.5px var(--mono); color: var(--muted-2); }
.text-categories span { padding: 2px 5px; border: 1px solid var(--line-soft); border-radius: 4px; }
.text-categories b { color: var(--text); font-weight: 500; }
.text-meta-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 12px; margin-top: 12px; }
.letter-counts { display: grid; grid-template-columns: repeat(13, minmax(0, 1fr)); gap: 3px; }
.letter-counts span { display: flex; align-items: baseline; gap: 3px; padding: 3px 4px; border: 1px solid var(--line-soft); border-radius: 4px; font: 8px var(--mono); color: var(--muted); }
.letter-counts b { color: var(--text); font-weight: 500; font-size: 9px; }
.letter-counts small { color: var(--muted-2); font-size: 7px; margin-left: auto; }
.char-chips { display: flex; flex-wrap: wrap; gap: 3px; margin: 0 0 5px; }
.char-chip { display: inline-flex; align-items: baseline; gap: 3px; padding: 2px 5px; border: 1px solid var(--line); border-radius: 4px; font: 9px var(--mono); color: var(--text); }
.char-chip b { color: var(--accent); font-weight: 500; }
.mass-energy { margin-top: 12px; padding: 9px 11px; border: 1px solid rgba(96, 165, 250, .25); border-radius: 9px; background: rgba(96, 165, 250, .04); }
.mass-energy h4 { margin: 0 0 6px; font: 9px var(--mono); letter-spacing: .13em; text-transform: uppercase; color: #60a5fa; }
.mass-energy .values { margin: 0; }
.mass-energy .note { margin-top: 7px; }
@media (max-width: 900px) {
  .text-meta-grid { grid-template-columns: 1fr; }
  .letter-counts { grid-template-columns: repeat(7, minmax(0, 1fr)); }
}

/* colore unificato e sonificazione */
.spectrum-color {
  display: flex; align-items: center; gap: 10px;
  margin: 8px 0 0; padding: 7px 9px;
  border: 1px solid var(--line); border-radius: 9px;
  background: rgba(9, 14, 21, .55);
}
.spectrum-swatch {
  flex: none; width: 38px; height: 38px; border-radius: 7px;
  border: 1px solid rgba(255,255,255,.2);
  box-shadow: 0 0 18px rgba(255,255,255,.12);
}
.spectrum-color b { display: block; font: 9px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }
.spectrum-color span:not(.spectrum-swatch) { display: block; margin-top: 2px; font: 8.5px/1.45 var(--mono); color: var(--muted); }
.spectrum-sound { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.spectrum-sound .btn { padding: 5px 8px; font-size: 9px; }

/* ---------- Lr Type Lab ---------- */
@font-face {
  font-family: "Lorenzo Sans Lab";
  src: url("LorenzoSans-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
.lr-lab-shell { width: min(1320px, 96vw); height: min(900px, 94vh); }
.lr-lab-body {
  flex: 1; min-height: 0; overflow: auto; padding: 14px 16px 18px;
  display: grid; grid-template-columns: 290px minmax(0, 1fr) 300px; gap: 14px; align-items: start;
}
.lr-specimen, .lr-lab-main, .lr-data {
  border: 1px solid var(--line); border-radius: 11px; background: rgba(9, 14, 21, .55);
  padding: 11px 12px;
}
.lr-specimen-glyph {
  font-family: "Lorenzo Sans Lab", var(--sans);
  font-size: 120px; line-height: .95; color: var(--text);
  text-align: center; padding: 10px 0 4px; letter-spacing: -.03em;
}
.lr-specimen-meta .values { margin-top: 7px; }
.lr-specimen-meta .values dd { font-size: 10px; }
.lr-beam {
  display: flex; align-items: center; justify-content: center; gap: 5px;
  margin: 10px 0 6px; padding: 6px 4px; border-top: 1px dashed var(--line); border-bottom: 1px dashed var(--line);
  font: 8px var(--mono); color: var(--muted-2); flex-wrap: wrap;
}
.lr-beam span { padding: 2px 4px; border: 1px solid var(--line-soft); border-radius: 3px; }
.lr-beam i { color: var(--accent); font-style: normal; }
.lr-h { margin: 0 0 7px; font: 9px var(--mono); letter-spacing: .13em; text-transform: uppercase; color: var(--accent); }
#lr-lab-chart { display: block; width: 100%; height: 250px; border: 1px solid var(--line); border-radius: 8px; background: rgba(5, 9, 14, .6); }
.lr-result-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; margin-top: 9px; }
.lr-result-grid div { padding: 6px 7px; border: 1px solid var(--line-soft); border-radius: 6px; }
.lr-result-grid b { display: block; font: 8px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted-2); }
.lr-result-grid span { display: block; margin-top: 3px; font: 10px var(--mono); color: var(--text); }
.lr-table { width: 100%; border-collapse: collapse; margin-top: 9px; font: 9px var(--mono); }
.lr-table th { text-align: left; padding: 3px 4px; border-bottom: 1px solid var(--line); color: var(--muted-2); font-weight: 400; }
.lr-table td { padding: 4px; border-bottom: 1px solid var(--line-soft); color: var(--muted); }
.lr-table td:first-child b { color: var(--text); font-weight: 500; }
.lr-data .values dd { font-size: 10px; }
.lr-data .note { margin-top: 8px; }
.lr-lab-main .text-note { margin-top: 7px; }
.lr-lab-shell .modal-foot { font-size: 8px; }
@media (max-width: 1050px) {
  .lr-lab-body { grid-template-columns: 1fr; }
  .lr-specimen-glyph { font-size: 92px; }
  .lr-result-grid { grid-template-columns: 1fr 1fr; }
}

/* riepilogo riserva/anno nel testo */
.text-runtime { display: flex; flex-wrap: wrap; gap: 4px 7px; margin: 1px 0 5px; }
.text-runtime span { padding: 3px 6px; border: 1px solid var(--line-soft); border-radius: 5px; background: rgba(9, 14, 21, .45); font: 8.5px var(--mono); color: var(--muted-2); }
.text-runtime b { color: var(--text); font-weight: 500; }
.runtime-note { margin: 0 0 7px; }

/* confronto alimentare della massa-energia */
.food-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; margin-top: 8px; }
.food-compare div { padding: 7px 9px; border: 1px solid rgba(251, 191, 36, .28); border-radius: 7px; background: rgba(251, 191, 36, .05); }
.food-compare b { display: block; font: 11px var(--mono); color: #fbbf24; font-weight: 500; }
.food-compare span { display: block; margin-top: 2px; font: 8px var(--mono); color: var(--muted-2); }
@media (max-width: 760px) { .food-compare { grid-template-columns: 1fr; } }

/* confronto alimentare onesto: massa, non E=mc² */
.food-compare-panel { margin-top: 10px; padding: 9px 11px; border: 1px solid rgba(251, 191, 36, .22); border-radius: 9px; background: rgba(251, 191, 36, .035); }
.food-compare-panel h4 { margin: 0 0 6px; font: 9px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: #fbbf24; }
.food-compare-panel .food-compare { margin-top: 0; }
.food-compare-panel .text-note { margin-top: 6px; }

/* avviso testo vuoto */
.text-empty-banner { margin: 7px 0; padding: 8px 10px; border: 1px solid rgba(251, 191, 36, .28); border-radius: 7px; background: rgba(251, 191, 36, .05); font: 9px/1.5 var(--mono); color: #fbbf24; }

/* spettro del testo, sonificazione e coloring */
.text-spectrum-panel { margin-top: 10px; padding: 9px 11px; border: 1px solid rgba(94, 234, 212, .2); border-radius: 9px; background: rgba(94, 234, 212, .035); }
.text-spectrum-panel h4 { margin: 0 0 6px; font: 9px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--accent); }
#text-spectrum-canvas { display: block; width: 100%; height: 132px; border: 1px solid var(--line); border-radius: 7px; background: rgba(5, 9, 14, .6); }
.text-spectrum-tools { display: flex; align-items: center; flex-wrap: wrap; gap: 5px; margin-top: 7px; }
.text-spectrum-tools .spectrum-swatch { width: 24px; height: 24px; border-radius: 5px; }
.text-spectrum-color { font: 8.5px var(--mono); color: var(--muted); margin-right: 3px; }
.text-spectrum-tools .btn { padding: 4px 7px; font-size: 8.5px; }
.text-spectrum-tools .btn.active { border-color: var(--accent); color: var(--accent); }
.text-spectrum-panel .text-note { margin-top: 6px; }

/* arlecchino: colore per lettera */
.harlequin-preview { margin-top: 8px; padding: 7px 9px; border: 1px solid var(--line); border-radius: 7px; background: rgba(5, 9, 14, .6); }
.harlequin-preview b { display: block; margin-bottom: 3px; font: 8px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted-2); }
.harlequin-preview .hq-text { font: 13px/1.65 ui-monospace, SFMono-Regular, Menlo, monospace; white-space: pre-wrap; word-break: break-word; max-height: 130px; overflow: auto; }
.harlequin-preview .hq-muted { color: #64748b; }
.harlequin-preview small { display: block; margin-top: 3px; font: 8px var(--mono); color: var(--muted-2); }

/* subtab del testo: core, spettro, ngram */
.text-subtabs { flex: none; display: flex; gap: 4px; padding: 0 16px 8px; border-bottom: 1px solid var(--line); }
.text-subtab { padding: 5px 10px; border: 1px solid transparent; border-radius: 6px; background: transparent; color: var(--muted); font: 9px var(--mono); cursor: pointer; }
.text-subtab:hover { color: var(--text); background: rgba(255,255,255,.03); }
.text-subtab.active { color: var(--accent); border-color: rgba(94,234,212,.35); background: rgba(94,234,212,.06); }
.text-pane { flex: 1; min-height: 0; overflow: auto; padding: 13px 16px 18px; }
.text-pane .ngram-panel { margin-top: 0; }
.text-pane .text-spectrum-panel { margin-top: 0; }

/* sequenza sonora e pitch ngram */
.text-sound-row { display: flex; align-items: center; flex-wrap: wrap; gap: 7px 10px; margin-top: 7px; padding-top: 6px; border-top: 1px dashed var(--line-soft); }
.text-sound-row .text-check { font-size: 8px; }
.text-sound-row input[type="range"] { width: 82px; accent-color: var(--accent); }
.text-seq-status { font: 8px var(--mono); color: var(--accent); min-height: 10px; }

/* link al laboratorio dei nuclei */
.nuclei-btn { text-decoration: none; }
.nucleus-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 7px;
  padding: 4px 9px;
  border: 1px solid #2a4a5e;
  border-radius: 999px;
  color: #5eead4;
  font: 600 11px/1 var(--sans, system-ui);
  letter-spacing: .02em;
  text-decoration: none;
  background: rgba(94, 234, 212, .06);
  transition: background .15s, border-color .15s;
}
.nucleus-link:hover { background: rgba(94, 234, 212, .14); border-color: #3c6f78; }