/* ==========================================================
   components.css — panels, KPIs, chart studio, leaderboard,
   explorer, calculator, contact, loader, toast
   ========================================================== */

/* ---------- panel with cursor-following glow border ---------- */
.panel {
  --mx: 50%;
  --my: 50%;
  position: relative;
  background: linear-gradient(180deg, rgba(24, 34, 74, .75), rgba(18, 26, 54, .75));
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  backdrop-filter: blur(10px);
  isolation: isolate;
}
.panel::before {
  /* glowing edge that tracks the pointer */
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: radial-gradient(420px circle at var(--mx) var(--my), rgba(55, 226, 213, .7), transparent 45%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0;
  transition: opacity .4s;
  pointer-events: none;
  z-index: 2;
}
.panel::after {
  /* soft inner light */
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(600px circle at var(--mx) var(--my), rgba(55, 226, 213, .06), transparent 40%);
  opacity: 0;
  transition: opacity .4s;
  pointer-events: none;
  z-index: -1;
}
.panel:hover::before, .panel:hover::after { opacity: 1; }

/* ---------- KPI grid ---------- */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1rem;
}
.kpi {
  grid-column: span 3;
  padding: 1.4rem 1.4rem 1.2rem;
  min-height: 170px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  transition: transform .4s var(--ease);
}
/* first two cards are wider: they carry the headline numbers */
.kpi:nth-child(-n+2) { grid-column: span 6; }
@media (max-width: 1000px) { .kpi:nth-child(n+3) { grid-column: span 6; } }
@media (max-width: 560px) {
  .kpi:nth-child(-n+2) { grid-column: span 12; }
  .kpi { min-height: 150px; }
}

.kpi-label { color: var(--muted); font-size: var(--step--1); display: flex; align-items: center; gap: .5rem; }
.kpi-icon {
  width: 30px; height: 30px;
  display: grid; place-items: center;
  border-radius: 9px;
  background: rgba(55, 226, 213, .1);
  color: var(--kpi-accent, var(--charge));
  font-size: 15px;
}
.kpi-value {
  font: 800 clamp(2rem, 4vw, 3rem)/1 var(--display);
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  margin-top: 1.1rem;
}
.kpi:nth-child(1) .kpi-value, .kpi:nth-child(2) .kpi-value { font-size: clamp(2.6rem, 6vw, 4.2rem); }
.kpi-note { color: var(--muted); font-size: var(--step--1); margin-top: .4rem; }
.kpi-spark { position: absolute; right: 0; bottom: 0; width: 55%; height: 60%; opacity: .9; pointer-events: none; z-index: -1; }
.kpi-spark path.area { fill: url(#sparkGrad); }
.kpi-spark path.stroke {
  fill: none; stroke: var(--charge); stroke-width: 2;
  stroke-dasharray: 1000; stroke-dashoffset: 1000;
}
.kpi.is-visible .kpi-spark path.stroke { animation: drawLine 2s var(--ease) .3s forwards; }

.kpi-meter { height: 6px; border-radius: 6px; background: var(--line); margin-top: .9rem; overflow: hidden; }
.kpi-meter span {
  display: block; height: 100%; width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--kpi-accent, var(--charge)), var(--violet));
  box-shadow: 0 0 12px var(--kpi-accent, var(--charge));
  transition: width 1.6s var(--ease) .2s;
}

/* ---------- chart studio ---------- */
/* ---------- chart gallery: 4 cards on top, 3 below ---------- */
.chart-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1rem;
}
.chart-card { grid-column: span 3; }
.chart-card:nth-child(n+5) { grid-column: span 4; }
@media (max-width: 900px) {
  .chart-card, .chart-card:nth-child(n+5) { grid-column: span 6; }
  .chart-card:last-child { grid-column: span 12; }
}


.chart-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .9rem;
  padding: 1.1rem 1.1rem 1rem;
  border: 1px solid var(--line);
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: transform .35s var(--ease), border-color .3s, box-shadow .35s var(--ease);
}
.chart-card:hover, .chart-card:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(55, 226, 213, .55);
  box-shadow: 0 18px 40px -18px rgba(0, 0, 0, .8), 0 0 30px -10px rgba(55, 226, 213, .55);
}
.chart-card:active { transform: translateY(-1px) scale(.99); }

.card-top { flex: 1 0 auto; display: flex; align-items: center; justify-content: space-between; gap: .5rem; }
.card-name { display: flex; align-items: center; gap: .55rem; font: 600 var(--step-1)/1.1 var(--display); letter-spacing: -0.01em; }
.card-icon {
  display: grid; place-items: center;
  width: 32px; height: 32px;
  border-radius: 10px;
  background: rgba(55, 226, 213, .1);
  font-size: 15px;
}
.card-chart {
  position: relative;
  height: 150px;
  border-radius: 12px;
  background: rgba(11, 16, 34, .45);
  padding: .6rem;
}
.chart-card:nth-child(n+5) .card-chart { height: 170px; }
.card-chart canvas { pointer-events: none; }

/* "Show more" button on every card */
.card-btn {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  width: 100%;
  margin-top: auto;
  padding: .7rem 1rem;
  border-radius: 12px;
  border: 1px solid rgba(55, 226, 213, .45);
  background: rgba(55, 226, 213, .08);
  color: var(--charge);
  font: 600 .92rem/1 var(--body);
  cursor: pointer;
  transition: color .3s, border-color .3s, box-shadow .3s;
}
/* cyan fill wipes in from the left on hover */
.card-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg, var(--charge), #5FF0E4);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .45s var(--ease);
}
.card-btn svg { transition: transform .35s var(--ease); }
.chart-card:hover .card-btn, .card-btn:focus-visible {
  color: #06201E;
  border-color: var(--charge);
  box-shadow: 0 0 22px -6px rgba(55, 226, 213, .8);
}
.chart-card:hover .card-btn::before, .card-btn:focus-visible::before { transform: scaleX(1); }
.chart-card:hover .card-btn svg { transform: translateX(4px); }
@media (max-width: 480px) {
  .chart-grid { gap: .6rem; }
  .chart-card { padding: .8rem; gap: .6rem; }
  .card-name { font-size: 1rem; }
  .card-icon { width: 26px; height: 26px; font-size: 13px; }
  .card-btn { padding: .55rem .7rem; font-size: .82rem; }
  .card-chart, .chart-card:nth-child(n+5) .card-chart { height: 110px; padding: .4rem; }
}
/* ---------- detail pop-up ---------- */
.chart-modal {
  width: min(1200px, 100% - 2rem);
  max-width: none;
  max-height: calc(100% - 2rem);
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text);
  overflow: visible;
}
.chart-modal::backdrop {
  background: rgba(6, 9, 20, .72);
  backdrop-filter: blur(8px);
}
.chart-modal[open] { animation: modalIn .5s var(--ease); }
.chart-modal[open]::backdrop { animation: fadeIn .4s ease; }
.chart-modal.is-closing { animation: modalOut .25s ease forwards; }
.chart-modal.is-closing::backdrop { animation: fadeIn .25s ease reverse forwards; }

.modal-inner {
  position: relative;
  padding: .6rem;
  max-height: calc(100dvh - 2rem);
  overflow-y: auto;
  background: linear-gradient(180deg, rgba(24, 34, 74, .96), rgba(18, 26, 54, .98));
}
.modal-inner .studio-body { margin-top: 0; }
.modal-close {
  position: absolute;
  top: -14px; right: -14px;
  z-index: 5;
  display: grid; place-items: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  cursor: pointer;
  box-shadow: 0 8px 24px -8px rgba(0, 0, 0, .8);
  transition: border-color .25s, transform .3s var(--ease), background .25s;
}
.modal-close:hover { border-color: var(--rose); background: rgba(255, 107, 138, .15); transform: rotate(90deg); }
@media (max-width: 640px) {
  .modal-close { top: .5rem; right: .5rem; }
  .modal-inner .chart-head { padding-right: 2.5rem; }
}
body.modal-open { overflow: hidden; }

/* prev / next arrows */
.chart-nav { display: flex; align-items: center; gap: .5rem; flex: 0 0 auto; }
.nav-arrow {
  display: grid;
  place-items: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: rgba(24, 34, 74, .7);
  color: var(--text);
  cursor: pointer;
  transition: border-color .25s, background .25s, transform .2s var(--ease);
}
.nav-arrow:hover { border-color: var(--charge); background: rgba(55, 226, 213, .15); }
.nav-arrow:active { transform: scale(.92); }
.chart-count { min-width: 3.2em; text-align: center; font-weight: 600; font-variant-numeric: tabular-nums; color: var(--muted); }
@media (max-width: 640px) {
  .chart-head { flex-direction: column; gap: .75rem; }
  .chart-head h3 { font-size: var(--step-1); }
  .nav-arrow { width: 36px; height: 36px; }
}

.studio-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: .6rem;
  margin-top: .6rem;
}
.studio-chart {
  padding: 1.5rem 1.5rem 1rem;
  border-radius: 16px;
  background: rgba(11, 16, 34, .45);
  min-width: 0;
}
.chart-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; margin-bottom: 1rem; }
.chart-head h3 { font-size: var(--step-2); }
.chart-head p { font-size: var(--step--1); margin-top: .35rem; }
.chart-wrap { position: relative; height: clamp(300px, 46vh, 440px); }
.chart-wrap.is-swapping { animation: chartSwap .5s var(--ease); }

.studio-insight {
  position: relative;
  overflow: hidden;
  padding: 1.6rem;
  border-radius: 16px;
  background: linear-gradient(160deg, rgba(55, 226, 213, .12), rgba(139, 124, 255, .08) 60%, rgba(11, 16, 34, .4));
  border: 1px solid rgba(55, 226, 213, .18);
  display: flex;
  flex-direction: column;
}
.insight-orb {
  position: absolute;
  width: 220px; height: 220px;
  right: -80px; top: -80px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(55, 226, 213, .35), transparent 65%);
  animation: orbPulse 5s ease-in-out infinite;
  pointer-events: none;
}
.insight-label { color: var(--charge); font-size: var(--step--1); font-weight: 600; }
.insight-big {
  font: 800 clamp(2.4rem, 5vw, 3.4rem)/1 var(--display);
  letter-spacing: -0.03em;
  margin: .8rem 0 .6rem;
  font-variant-numeric: tabular-nums;
}
.insight-text { color: #C3CBE0; font-size: .98rem; line-height: 1.55; }
.insight-stats {
  list-style: none;
  padding: 0;
  margin: auto 0 0;
  padding-top: 1.4rem;
  display: grid;
  gap: .55rem;
}
.insight-stats li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-top: .55rem;
  border-top: 1px solid rgba(36, 48, 86, .8);
  font-size: var(--step--1);
  color: var(--muted);
}
.insight-stats b { color: var(--text); font-weight: 600; font-variant-numeric: tabular-nums; }
.studio-insight.is-swapping > *:not(.insight-orb) { animation: insightIn .6s var(--ease) both; }
.studio-insight.is-swapping > *:nth-child(3) { animation-delay: .05s; }
.studio-insight.is-swapping > *:nth-child(4) { animation-delay: .1s; }
.studio-insight.is-swapping > *:nth-child(5) { animation-delay: .15s; }

@media (max-width: 960px) {
  .studio-body { grid-template-columns: 1fr; }
  .studio-chart { padding: 1.1rem .8rem .8rem; }
}

/* ---------- leaderboard ---------- */
.leaderboard {
  list-style: none;
  margin: 0;
  padding: .75rem;
  counter-reset: rank;
}
.lb-row {
  counter-increment: rank;
  display: grid;
  grid-template-columns: 2.5rem minmax(9rem, 14rem) minmax(0, 1fr) 6.5rem;
  align-items: center;
  gap: 1rem;
  padding: .85rem 1rem;
  border-radius: 12px;
  transition: background .25s;
}
.lb-row:hover { background: rgba(55, 226, 213, .06); }
.lb-row::before {
  content: counter(rank);
  font: 800 var(--step-1)/1 var(--display);
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.lb-row:nth-child(-n+3)::before { color: var(--charge); }
.lb-name b { display: block; font-weight: 600; }
.lb-name span { font-size: var(--step--1); color: var(--muted); }
.lb-bar {
  position: relative;
  height: 10px;
  border-radius: 10px;
  background: rgba(36, 48, 86, .6);
  overflow: hidden;
}
.lb-bar span {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--bar, var(--charge)), var(--violet));
  box-shadow: 0 0 14px var(--bar, var(--charge));
  overflow: hidden;
  transition: width 1.4s var(--ease);
}
.lb-bar span::after {
  /* travelling spark at the end of each bar */
  content: "";
  position: absolute;
  top: 0; bottom: 0; width: 40px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.7), transparent);
  animation: barSpark 2.6s ease-in-out infinite;
}
.lb-count { text-align: right; font-variant-numeric: tabular-nums; }
.lb-count b { display: block; font-weight: 600; }
.lb-count span { font-size: var(--step--1); color: var(--muted); }
@media (max-width: 640px) {
  .lb-row { grid-template-columns: 2rem minmax(0, 1fr) auto; }
  .lb-bar { grid-column: 2 / -1; grid-row: 2; }
}

/* ---------- explorer ---------- */
.explorer { padding: 1.5rem; }
.filters {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) auto;
  gap: 1rem;
  align-items: end;
}
@media (max-width: 820px) { .filters { grid-template-columns: 1fr; } }

.field { display: flex; flex-direction: column; gap: .45rem; }
.field > span { font-size: var(--step--1); color: var(--muted); }
.field select, .field input, .field textarea {
  width: 100%;
  padding: .85rem 1rem;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: rgba(11, 16, 34, .7);
  color: var(--text);
  font: 500 var(--step-0)/1.3 var(--body);
  transition: border-color .25s, box-shadow .25s;
}
.field select {
  appearance: none;
  cursor: pointer;
  padding-right: 2.5rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%2337E2D5' stroke-width='2'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
}
.field select option { background: var(--panel); }
.field select:focus, .field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--charge);
  box-shadow: 0 0 0 4px rgba(55, 226, 213, .15);
}
.field textarea { resize: vertical; min-height: 120px; }

.explorer-results {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
  gap: 1.25rem;
  margin-top: 1.5rem;
}
@media (max-width: 820px) { .explorer-results { grid-template-columns: 1fr; } }
.match, .match-models {
  padding: 1.4rem;
  border-radius: 16px;
  background: rgba(11, 16, 34, .45);
}
.match-label { font-size: var(--step--1); color: var(--muted); margin-bottom: .6rem; }
.match-count {
  font: 800 clamp(3rem, 7vw, 4.6rem)/1 var(--display);
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(90deg, var(--text), var(--charge));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.match-bar {
  height: 8px;
  border-radius: 8px;
  background: var(--line);
  margin: 1.1rem 0 .6rem;
  overflow: hidden;
}
.match-bar span {
  display: block; height: 100%; width: 0;
  background: linear-gradient(90deg, var(--charge), var(--violet));
  box-shadow: 0 0 12px var(--charge);
  border-radius: inherit;
  transition: width .8s var(--ease);
}
.split { display: flex; gap: .5rem; margin-top: 1.2rem; flex-wrap: wrap; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .4rem .75rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: var(--step--1);
  background: rgba(18, 26, 54, .8);
}
.chip i { width: 8px; height: 8px; border-radius: 50%; background: var(--c, var(--charge)); box-shadow: 0 0 8px var(--c, var(--charge)); }

.model-list { list-style: none; padding: 0; margin: 0; display: grid; gap: .5rem; }
.model-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: .25rem 1rem;
  padding: .75rem .9rem;
  border-radius: 12px;
  background: rgba(24, 34, 74, .5);
  animation: listIn .5s var(--ease) both;
}
.model-list li:nth-child(2) { animation-delay: .05s; }
.model-list li:nth-child(3) { animation-delay: .1s; }
.model-list li:nth-child(4) { animation-delay: .15s; }
.model-list li:nth-child(5) { animation-delay: .2s; }
.model-list .m-name { font-weight: 600; }
.model-list .m-meta { font-size: var(--step--1); color: var(--muted); }
.model-list .m-count { text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; }
.model-list .m-bar { grid-column: 1 / -1; height: 4px; border-radius: 4px; background: var(--line); overflow: hidden; }
.model-list .m-bar span { display: block; height: 100%; background: var(--charge); border-radius: inherit; }
.model-list li.empty { display: block; }
.empty {
  padding: 1.5rem;
  border: 1px dashed var(--line);
  border-radius: 12px;
  color: var(--muted);
  text-align: center;
}

/* ---------- calculator ---------- */
.calc {
  padding: clamp(1.25rem, 3vw, 2.25rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
}
@media (max-width: 860px) { .calc { grid-template-columns: 1fr; } }

.calc-sliders { display: grid; gap: 1.6rem; }
.slider-top { display: flex; justify-content: space-between; gap: 1rem; margin-bottom: .7rem; color: var(--muted); }
.slider output { color: var(--text); font-weight: 600; font-variant-numeric: tabular-nums; }

input[type="range"] {
  --pct: 50%;
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 8px;
  background: linear-gradient(90deg, var(--charge), var(--violet)) 0 0 / var(--pct) 100% no-repeat, var(--line);
  cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--text);
  border: 4px solid var(--charge);
  box-shadow: 0 0 0 6px rgba(55, 226, 213, .15), 0 0 16px rgba(55, 226, 213, .6);
  transition: transform .2s var(--ease);
}
input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.15); }
input[type="range"]::-moz-range-thumb {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--text);
  border: 4px solid var(--charge);
  box-shadow: 0 0 16px rgba(55, 226, 213, .6);
}

.calc-results { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 2rem; align-items: center; }
@media (max-width: 520px) { .calc-results { grid-template-columns: 1fr; justify-items: center; } }

.gauge { position: relative; width: 220px; aspect-ratio: 1; }
.gauge svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.gauge circle { fill: none; stroke-width: 14; }
.gauge-track { stroke: var(--line); }
.gauge-value {
  stroke: url(#gaugeGrad);
  stroke-linecap: round;
  stroke-dasharray: 527.8;
  stroke-dashoffset: 527.8;
  filter: drop-shadow(0 0 8px rgba(55, 226, 213, .6));
  transition: stroke-dashoffset .8s var(--ease);
}
.gauge-center { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; }
.gauge-num { font: 800 3rem/1 var(--display); letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.gauge-center .muted { font-size: var(--step--1); margin-top: .3rem; }

.calc-figures { margin: 0; display: grid; gap: 1rem; width: 100%; }
.calc-figures div { padding: 1rem 1.2rem; border-radius: 14px; background: rgba(11, 16, 34, .45); border-left: 3px solid var(--charge); }
.calc-figures div:nth-child(2) { border-color: var(--violet); }
.calc-figures div:nth-child(3) { border-color: var(--amber); }
.calc-figures dt { font-size: var(--step--1); color: var(--muted); }
.calc-figures dd { margin: .2rem 0 0; font: 800 var(--step-2)/1.1 var(--display); font-variant-numeric: tabular-nums; }

/* ---------- contact ---------- */
.contact {
  padding: clamp(1.5rem, 4vw, 3rem);
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  gap: 2rem 3rem;
  overflow: hidden;
}
.contact-copy p { color: var(--muted); margin-top: 1rem; max-width: 26em; }
.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.contact-form .field-wide, .contact-form .btn { grid-column: 1 / -1; }
.contact-form .btn { justify-self: start; }
@media (max-width: 760px) {
  .contact, .contact-form { grid-template-columns: 1fr; }
}

/* ---------- loader ---------- */
.loader {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 1.5rem;
  background: var(--ink);
  transition: clip-path 1s var(--ease);
  clip-path: inset(0 0 0 0);
}
.loader.is-done { clip-path: inset(0 0 100% 0); }
.battery {
  position: relative;
  width: 140px; height: 64px;
  border: 3px solid var(--text);
  border-radius: 14px;
  padding: 5px;
}
.battery::after {
  content: "";
  position: absolute;
  right: -11px; top: 50%;
  width: 7px; height: 22px;
  border-radius: 0 4px 4px 0;
  background: var(--text);
  transform: translateY(-50%);
}
.battery-fill {
  height: 100%;
  width: 0%;
  border-radius: 8px;
  background: linear-gradient(90deg, var(--charge), var(--violet));
  box-shadow: 0 0 20px var(--charge);
  transition: width .25s linear;
}
.battery-bolt {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 26px;
  animation: boltFlicker 1.2s infinite;
}
.loader-text { font: 800 var(--step-2)/1 var(--display); font-variant-numeric: tabular-nums; text-align: center; }
.loader-sub { display: block; font: 400 var(--step--1)/1.4 var(--body); color: var(--muted); margin-top: .5rem; }
.loader.is-error .battery { border-color: var(--rose); }
.loader.is-error .loader-sub { color: var(--rose); max-width: 30em; padding: 0 1rem; line-height: 1.6; }
.loader code { background: var(--panel); padding: .1em .4em; border-radius: 6px; color: var(--text); }

/* ---------- toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(1.5rem + env(safe-area-inset-bottom, 0px));
  z-index: 90;
  padding: .9rem 1.3rem;
  border-radius: 14px;
  background: var(--panel-2);
  border: 1px solid rgba(55, 226, 213, .4);
  box-shadow: 0 20px 50px -20px rgba(0,0,0,.8), 0 0 30px -10px var(--charge);
  transform: translate(-50%, calc(100% + 3rem));
  visibility: hidden;
  transition: transform .5s var(--ease), visibility 0s .5s;
}
.toast.is-visible { transform: translate(-50%, 0); visibility: visible; transition: transform .5s var(--ease); }