:root {
  color-scheme: dark;
  --bg: #0c0c0f;
  --surface: #13131a;
  --card: #16161f;
  --border: #1e1e2e;
  --border-strong: #2b2b40;
  --accent: #6ee7b7;
  --accent2: #818cf8;
  --bitcoin: #f7931a;
  --text: #e2e8f0;
  --muted: #64748b;
  --muted-bright: #94a3b8;
  --positive: #4ade80;
  --negative: #f87171;
  --nav-h: 68px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 1rem); }

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  line-height: 1.7;
}

button,
input { font: inherit; }
button { cursor: pointer; }
a { color: inherit; }
h1, h2, h3, p { margin-top: 0; }

.skip-link {
  position: absolute;
  z-index: 110;
  top: -5rem;
  left: 1rem;
  padding: .65rem 1rem;
  border-radius: 6px;
  background: var(--accent);
  color: #0c0c0f;
}
.skip-link:focus { top: 1rem; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.dashboard-shell {
  width: min(1480px, 100%);
  margin: 0 auto;
  padding: calc(var(--nav-h) + 2.25rem) clamp(1rem, 4vw, 4rem) 6rem;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: .55rem;
  margin-bottom: 1.35rem;
  color: var(--muted);
  font-size: .76rem;
}
.breadcrumbs a { color: var(--muted-bright); text-decoration: none; }
.breadcrumbs a:hover,
.breadcrumbs a:focus-visible { color: var(--accent); }

.page-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 1.55rem;
}
.eyebrow {
  margin: 0 0 .45rem;
  color: var(--accent);
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.page-heading h1,
.section-heading h2,
.chart-panel h2,
.catalog-group__heading h3 {
  margin: 0;
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  letter-spacing: -.035em;
  line-height: 1.15;
}
.page-heading h1 {
  font-size: clamp(2rem, 3.6vw, 2.9rem);
  font-weight: 600;
}
.page-heading p:not(.eyebrow) {
  max-width: 68ch;
  margin: .7rem 0 0;
  color: var(--muted-bright);
  font-size: .92rem;
}
.data-status {
  display: inline-flex;
  align-items: flex-start;
  gap: .7rem;
  margin-top: 1rem;
  padding: .65rem .85rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(19, 19, 26, .78);
}
.status-dot {
  flex: 0 0 7px;
  width: 7px;
  height: 7px;
  margin-top: .48rem;
  border-radius: 50%;
  background: var(--accent);
}
.data-status__copy { display: flex; flex-wrap: wrap; gap: .25rem .7rem; font-size: .76rem; }
.data-status__copy strong { color: var(--text); font-weight: 500; }
.data-status__copy span { color: var(--muted); }

.section-block { margin-top: 3.2rem; }
.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.15rem;
}
.section-heading h2 { font-size: clamp(1.35rem, 2.3vw, 1.8rem); }
.section-heading p:not(.eyebrow) { margin: .5rem 0 0; color: var(--muted); font-size: .84rem; }
.section-count {
  flex: 0 0 auto;
  padding: .35rem .65rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted-bright);
  font-size: .72rem;
}
.overview-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .65rem; }
.main-nav .nav-github svg { fill: currentColor; }
.metric-card {
  min-width: 0;
  min-height: 132px;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--card);
  color: var(--text);
  text-align: left;
  transition: border-color .18s, background .18s;
}
.metric-card:hover,
.metric-card:focus-visible { border-color: var(--muted); outline: none; }
.metric-card.is-selected { border-color: var(--accent); background: #171d20; }
.metric-card__top {
  display: flex;
  justify-content: space-between;
  gap: .5rem;
  color: var(--muted);
  font-size: .67rem;
  letter-spacing: .035em;
}
.metric-card__value {
  display: block;
  margin: 1.4rem 0 .25rem;
  overflow-wrap: anywhere;
  font-family: 'Syne', sans-serif;
  font-size: 1.18rem;
  font-weight: 500;
  letter-spacing: -.025em;
}
.metric-card__foot { display: flex; justify-content: space-between; gap: .5rem; color: var(--muted); font-size: .68rem; }
.metric-card__foot span:last-child { color: var(--muted-bright); }

.chart-panel {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--surface);
}
.chart-panel__top {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.4rem 1.5rem 1.1rem;
}
.chart-title-row { display: flex; align-items: center; gap: .7rem; flex-wrap: wrap; }
.chart-title-row h2 { font-size: clamp(1.35rem, 2.5vw, 1.85rem); }
.topic-pill {
  padding: .2rem .45rem;
  border: 1px solid var(--border-strong);
  border-radius: 5px;
  color: var(--muted-bright);
  font-size: .64rem;
  font-weight: 500;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.chart-description { margin: .45rem 0 0; color: var(--muted); font-size: .82rem; }
.range-controls { display: flex; align-items: center; gap: .3rem; white-space: nowrap; }
.range-controls > span { margin-right: .35rem; color: var(--muted); font-size: .68rem; }
.range-controls button {
  min-width: 2.35rem;
  padding: .37rem .45rem;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: transparent;
  color: var(--muted-bright);
  font-size: .7rem;
}
.range-controls button.is-active { border-color: var(--accent); color: var(--accent); }
.range-controls button:disabled { opacity: .55; cursor: default; }
.range-controls button:not(:disabled):hover,
.range-controls button:not(:disabled):focus-visible { border-color: var(--accent); color: var(--text); }

.chart-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 0 1.5rem; padding: .85rem 0 1.05rem; border-bottom: 1px solid var(--border); }
.chart-stats > div { display: flex; flex-direction: column; gap: .1rem; padding-right: 1rem; }
.chart-stats > div + div { padding-left: 1.2rem; border-left: 1px solid var(--border); }
.chart-stats span,
.chart-panel__bottom span { color: var(--muted); font-size: .65rem; }
.chart-stats strong { overflow-wrap: anywhere; font-family: 'Syne', sans-serif; font-size: 1rem; font-weight: 500; }
.chart-stats small { color: var(--muted); font-size: .68rem; }
.chart-area { position: relative; height: clamp(18rem, 33vw, 24rem); min-height: 18rem; margin: 0 1.5rem; }
.chart-area.is-empty { height: 9.5rem; min-height: 9.5rem; }
.chart-area.is-pool-snapshot { height: 28rem; min-height: 28rem; }
.chart-canvas { display: block; width: 100% !important; height: 100% !important; }
.chart-canvas[hidden] { display: none; }
.chart-details { margin: 0 1.5rem 1rem; border-top: 1px solid var(--border); }
.chart-details[hidden] { display: none; }
.chart-details__disclosure { padding-top: .8rem; }
.chart-details__disclosure summary { width: fit-content; color: var(--accent); font-size: .78rem; cursor: pointer; }
.chart-details__note { margin: .6rem 0; color: var(--muted); font-size: .72rem; }
.chart-details__table-wrap { max-height: 19rem; overflow: auto; border: 1px solid var(--border); border-radius: 6px; }
.chart-details__table { width: 100%; border-collapse: collapse; font-size: .74rem; }
.chart-details__table caption { padding: .65rem .8rem; color: var(--muted); text-align: left; }
.chart-details__table th,
.chart-details__table td { padding: .45rem .8rem; border-top: 1px solid var(--border); text-align: left; }
.chart-details__table thead th { position: sticky; top: 0; background: var(--surface); color: var(--muted-bright); }
.chart-details__table tbody th { font-weight: 500; }
.chart-details__table td { color: var(--text); font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.chart-empty {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(90%, 340px);
  padding: .75rem;
  text-align: center;
  transform: translate(-50%, -50%);
}
.chart-empty strong { font-family: 'Syne', sans-serif; font-size: .92rem; font-weight: 600; }
.chart-empty p { margin: .3rem 0 0; color: var(--muted); font-size: .76rem; }
.chart-empty[hidden] { display: none; }
.chart-panel__bottom { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; padding: .9rem 1.5rem; border-top: 1px solid var(--border); background: rgba(12, 12, 15, .28); }
.chart-panel__bottom > div { display: flex; flex-direction: column; gap: .12rem; }
.chart-panel__bottom strong { color: var(--muted-bright); font-size: .75rem; font-weight: 400; }
.chart-panel__bottom small,
.chart-panel__bottom a { max-width: 25rem; color: var(--muted); font-size: .68rem; }
.chart-panel__bottom a { color: var(--accent); text-underline-offset: 2px; }
.chart-panel__bottom a[hidden] { display: none; }

.catalog-toolbar { display: flex; align-items: center; gap: .8rem; flex-wrap: wrap; margin: 1.5rem 0 1rem; }
.search-field { display: flex; align-items: center; gap: .6rem; min-width: 240px; max-width: 380px; flex: 1; padding: .55rem .8rem; border: 1px solid var(--border); border-radius: 7px; background: var(--surface); color: var(--muted); }
.search-field:focus-within { border-color: var(--accent); }
.search-field svg { flex: 0 0 16px; width: 16px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.search-field input { width: 100%; border: 0; outline: 0; background: transparent; color: var(--text); font-size: .8rem; }
.search-field input::placeholder { color: var(--muted); }
.category-filters { display: flex; flex-wrap: wrap; gap: .4rem; }
.category-filters button { padding: .45rem .65rem; border: 1px solid var(--border); border-radius: 6px; background: transparent; color: var(--muted-bright); font-size: .72rem; }
.category-filters button:hover,
.category-filters button:focus-visible { border-color: var(--muted); color: var(--text); }
.category-filters button.is-active { border-color: var(--accent); color: var(--accent); }
.catalog-groups { border-top: 1px solid var(--border); }
.catalog-group { border-bottom: 1px solid var(--border); }
.catalog-group__heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: .9rem .15rem;
  color: var(--text);
  cursor: pointer;
  list-style: none;
}
.catalog-group__heading::-webkit-details-marker { display: none; }
.catalog-group__heading::after { content: '+'; color: var(--muted); font-size: 1rem; line-height: 1; }
.catalog-group[open] > .catalog-group__heading::after { content: '−'; color: var(--accent); }
.catalog-group__heading h3 { font-size: 1rem; font-weight: 500; letter-spacing: -.02em; }
.catalog-group__heading span { margin-left: auto; color: var(--muted); font-size: .7rem; }
.catalog-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 1.5rem; padding-bottom: .7rem; }
.catalog-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  column-gap: .8rem;
  row-gap: .16rem;
  min-width: 0;
  min-height: 0;
  padding: .75rem .35rem;
  border: 0;
  border-top: 1px solid rgba(148, 163, 184, .1);
  background: transparent;
  color: var(--text);
  text-align: left;
}
.catalog-card:hover,
.catalog-card:focus-visible { outline: 1px solid var(--border-strong); outline-offset: -1px; background: rgba(148, 163, 184, .035); }
.catalog-card.is-selected { background: rgba(110, 231, 183, .045); }
.catalog-card strong { min-width: 0; font-family: 'DM Sans', sans-serif; font-size: .82rem; font-weight: 500; }
.catalog-card small { grid-column: 1; color: var(--muted); font-size: .7rem; line-height: 1.4; }
.catalog-card__meta { grid-column: 2; grid-row: 1 / span 2; display: flex; flex-direction: column; align-items: flex-end; gap: .18rem; color: var(--muted-bright); font-size: .64rem; white-space: nowrap; }
.catalog-card__meta span:last-child { color: var(--muted); }
.empty-results,
.noscript-message { padding: .8rem 1rem; border: 1px solid var(--border); border-radius: 7px; color: var(--muted-bright); font-size: .82rem; }
.catalog-note { margin: 1rem 0 0; color: var(--muted); font-size: .72rem; }
.catalog-note strong { color: var(--muted-bright); font-weight: 500; }

footer { border-top: 1px solid var(--border); background: var(--surface); }
.footer-inner { display: grid; grid-template-columns: 1.7fr 1fr 1fr; gap: 3rem; padding: 3.5rem clamp(1.5rem, 8vw, 8rem) 2rem; }
.footer-logo { color: var(--text); font-family: 'Syne', sans-serif; font-size: 1.35rem; font-weight: 800; text-decoration: none; }
.footer-logo span { color: var(--accent); }
.footer-brand p { max-width: 34ch; margin: .8rem 0 0; color: var(--muted); font-size: .85rem; line-height: 1.65; }
.footer-col h5 { margin: 0 0 .8rem; color: var(--text); font-family: 'Syne', sans-serif; font-size: .78rem; }
.footer-col ul { display: flex; flex-direction: column; gap: .6rem; margin: 0; padding: 0; list-style: none; }
.footer-col a { color: var(--muted); font-size: .82rem; text-decoration: none; }
.footer-col a:hover,
.footer-col a:focus-visible { color: var(--accent); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; margin: 0 clamp(1.5rem, 8vw, 8rem); padding: 1.2rem 0 2rem; border-top: 1px solid var(--border); color: var(--muted); font-size: .75rem; }
.footer-bottom a { color: var(--muted); text-decoration: none; }
.footer-bottom a:hover,
.footer-bottom a:focus-visible { color: var(--accent); }

/* Bitcoin identity, using the site's existing type and color system. */
.page-heading__content { max-width: 820px; }
.page-heading__identity { display: flex; align-items: center; gap: 1rem; }
.page-heading__identity .eyebrow { color: var(--bitcoin); letter-spacing: .09em; }
.page-heading__identity h1 { font-weight: 600; }
.bitcoin-mark {
  display: grid;
  place-items: center;
  flex: 0 0 3.25rem;
  width: 3.25rem;
  height: 3.25rem;
  border: 1px solid rgba(247, 147, 26, .5);
  border-radius: 50%;
  background: #f7931a;
  color: #17120b;
}
.bitcoin-mark span { font-family: 'DM Sans', sans-serif; font-size: 1.9rem; font-weight: 700; line-height: 1; }
.page-heading__content > p:not(.eyebrow) { margin-left: 4.25rem; }
.page-heading .data-status { margin-left: 4.25rem; }

/* Readable stored-value tiles, with the same latest-point pattern as Weltmarkt. */
.overview-grid { gap: .75rem; }
.metric-card {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  min-height: 150px;
  border-radius: 7px;
  border-left: 2px solid transparent;
}
.metric-card.is-bitcoin-price { border-left-color: var(--bitcoin); }
.metric-card.is-bitcoin-price.is-selected { border-color: var(--bitcoin); background: rgba(247, 147, 26, .055); }
.metric-card__top { color: var(--muted-bright); font-size: .72rem; font-weight: 500; }
.metric-card__value {
  margin: .8rem 0 .3rem;
  font-family: 'DM Sans', sans-serif;
  font-size: clamp(1.08rem, 1.5vw, 1.3rem);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.025em;
}
.point-change { display: inline-flex; align-items: center; width: fit-content; font-size: .7rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.point-change--up { color: var(--positive); }
.point-change--down { color: var(--negative); }
.point-change--neutral { color: var(--muted-bright); font-weight: 400; }
.metric-card__foot { margin-top: auto; padding-top: .55rem; color: var(--muted); font-size: .66rem; font-variant-numeric: tabular-nums; }
.metric-card__foot span:last-child { color: var(--muted); }
.metric-card.is-bitcoin-price .metric-card__value { color: #ffd19a; }

.chart-area { height: clamp(18rem, 33vw, 24rem); min-height: 18rem; }
.chart-area.is-empty { height: 9.5rem; min-height: 9.5rem; }
.range-controls button.is-active { border-color: var(--bitcoin); color: var(--bitcoin); }

.catalog-card { min-height: 5.3rem; }
.catalog-card.is-bitcoin-price { border-left: 2px solid var(--bitcoin); padding-left: .55rem; }
.catalog-card__meta { min-width: 7rem; font-variant-numeric: tabular-nums; }
.catalog-card__latest { color: var(--text); font-size: .76rem; font-weight: 600; }
.catalog-card__meta .point-change { white-space: nowrap; }
.catalog-card__meta > span:last-child { color: var(--muted); }

footer { padding: 3.5rem clamp(1.5rem, 8vw, 8rem) 2rem; color: var(--muted); font-size: .85rem; }
.footer-inner { width: auto; margin: 0; padding: 0 0 2.5rem; border-bottom: 1px solid var(--border); }
.footer-logo { display: inline-block; margin-bottom: .9rem; }
.footer-brand p { margin: 0; }
.footer-col h5 { margin: 0 0 1rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.footer-col ul { padding: 0; }
.footer-col ul { gap: .65rem; }
.footer-bottom { width: auto; margin: 0; padding: 1.6rem 0 0; border-top: 0; flex-wrap: wrap; gap: .6rem; }
footer a { transition: color .2s; }

@media (max-width: 760px) {
  .page-heading__content > p:not(.eyebrow),
  .page-heading .data-status { margin-left: 0; }
  .bitcoin-mark { flex-basis: 2.8rem; width: 2.8rem; height: 2.8rem; }
  .bitcoin-mark span { font-size: 1.65rem; }
}
@media (max-width: 640px) {
  .metric-card { min-height: 142px; padding: .85rem; }
  .metric-card__value { font-size: 1rem; }
  .metric-card__foot { flex-wrap: wrap; }
  .footer-inner { padding-inline: 1.25rem; }
  .footer-bottom { width: calc(100% - 2.5rem); }
}

@media (max-width: 1100px) {
  .overview-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .catalog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 960px) {
  .page-heading { align-items: flex-start; flex-direction: column; gap: 1rem; }
  .section-heading { align-items: flex-start; }
}
@media (max-width: 760px) {
  .dashboard-shell { padding-inline: 1rem; }
  .overview-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .chart-panel__top { align-items: flex-start; flex-direction: column; padding: 1.2rem; }
  .chart-stats { margin-inline: 1.2rem; }
  .chart-area { min-height: 320px; margin-inline: 1.2rem; }
  .chart-area.is-pool-snapshot { height: 28rem; min-height: 28rem; }
  .chart-details { margin-inline: 1.2rem; }
  .chart-panel__bottom { padding-inline: 1.2rem; }
  .catalog-toolbar { align-items: stretch; flex-direction: column; }
  .search-field { width: 100%; max-width: none; }
  .catalog-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .dashboard-shell { padding-top: calc(var(--nav-h) + 1.4rem); }
  .page-heading h1 { font-size: 2rem; }
  .section-heading { flex-direction: column; gap: .7rem; }
  .chart-stats { grid-template-columns: 1fr; gap: .75rem; }
  .chart-stats > div + div { padding-left: 0; border-left: 0; }
  .chart-panel__bottom { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .catalog-card { column-gap: .5rem; }
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: .4rem; text-align: center; }
}

.chart-tooltip { position: absolute; z-index: 5; display: flex; flex-direction: column; gap: .3rem; max-width: min(340px, 100%); padding: .75rem .85rem; border: 1px solid #454556; border-radius: 7px; background: rgba(12, 12, 15, .97); color: #eeeef5; font-size: .75rem; line-height: 1.5; overflow-wrap: anywhere; pointer-events: none; box-shadow: 0 5px 20px rgba(0,0,0,.25); }
.chart-tooltip[hidden] { display: none; }
.chart-tooltip strong { font-size: .8rem; }
.chart-tooltip span, .chart-tooltip small { color: #cbd0df; }
.chart-canvas:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.chart-hover-help { margin: .2rem 1.5rem .7rem; color: var(--muted-bright); font-size: .68rem; }


/* Currency selector follows the asset backtester's compact symbol control. */
.page-heading__meta { display: flex; flex-wrap: wrap; align-items: stretch; margin-top: 1rem; gap: 0; width: fit-content; max-width: 100%; border: 1px solid var(--border); border-radius: 8px; background: rgba(19,19,26,.78); overflow: hidden; }
.page-heading__meta .data-status { flex: 1 1 250px; margin: 0; border: 0; border-radius: 0; background: transparent; min-width: 0; }
.bitcoin-currency-select { position: relative; display: inline-flex; flex: 0 0 auto; align-items: center; border-left: 1px solid var(--border); }
.bitcoin-currency-select::after { content: '▾'; position: absolute; right: .72rem; color: var(--accent); font-size: .7rem; pointer-events: none; }
.bitcoin-currency-select select { min-width: 112px; height: 100%; min-height: 42px; padding: 0 1.9rem 0 .85rem; appearance: none; color-scheme: dark; border: 0; border-radius: 0; background: rgba(110,231,183,.075); color: var(--text); font-family: 'Syne',sans-serif; font-size: .78rem; font-weight: 700; cursor: pointer; }
.bitcoin-currency-select select option { background: #16161f; color: var(--text); }
.bitcoin-currency-select select:hover:not(:disabled) { background: rgba(110,231,183,.14); }
.bitcoin-currency-select select:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.bitcoin-currency-select select:disabled { cursor: wait; opacity: .58; }
.currency-note { margin: 1.25rem 0 0; font-size: .7rem; color: var(--muted-bright); max-width: 90ch; }
.currency-note.is-error { color: var(--negative); }
.card-change-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-top: .65rem; padding: .65rem .8rem; border: 1px solid var(--border); border-radius: 9px; background: rgba(19,19,26,.72); }
.card-change-toolbar > p { margin: 0; color: var(--muted-bright); font-size: .68rem; }
.card-change-settings { display: flex; align-items: flex-end; flex: 0 0 auto; gap: .55rem; }
.card-change-settings label { display: grid; gap: .26rem; }
.control-label { color: var(--muted-bright); font-size: .58rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; }
.card-change-settings select { height: 34px; padding: 0 .58rem; border: 1px solid var(--border-strong); border-radius: 6px; background: var(--card); color: var(--text); font: 700 .72rem 'DM Sans',sans-serif; cursor: pointer; }
.card-change-settings select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
@media (max-width: 760px) {
  .card-change-toolbar { align-items: stretch; flex-direction: column; }
  .card-change-settings { width: 100%; }
  .card-change-settings label { flex: 1 1 0; min-width: 0; }
  .card-change-settings select { width: 100%; }
}
@media (max-width: 480px) {
  .page-heading__meta { width: 100%; flex-wrap: nowrap; }
  .page-heading__meta .data-status { flex: 1 1 auto; }
  .bitcoin-currency-select select { min-width: 104px; }
}


.chart-controls { display: flex; flex-direction: column; align-items: flex-end; gap: .6rem; max-width: 100%; }
.scale-controls { display: flex; align-items: center; gap: .3rem; flex-wrap: wrap; }
.scale-controls > span { margin-right: .35rem; color: var(--muted); font-size: .68rem; }
.scale-controls button { padding: .37rem .65rem; border: 1px solid var(--border); border-radius: 5px; background: transparent; color: var(--muted-bright); font-size: .7rem; }
.scale-controls button.is-active { border-color: var(--bitcoin); color: var(--bitcoin); }
.scale-controls button:disabled { opacity: .55; cursor: default; }
.scale-controls button:not(:disabled):hover,
.scale-controls button:not(:disabled):focus-visible { border-color: var(--accent); color: var(--text); }
.chart-scale-note { max-width: 42ch; margin: 0; color: var(--muted-bright); font-size: .68rem; line-height: 1.5; text-align: right; }
@media (max-width: 760px) {
  .chart-controls { width: 100%; align-items: flex-start; }
  .chart-controls .range-controls { max-width: 100%; flex-wrap: wrap; }
  .chart-scale-note { text-align: left; }
}