:root {
  color-scheme: light;
  --ink: #182127;
  --muted: #58646c;
  --line: #dce2e6;
  --accent: #126448;
  --soft: #f3f6f7;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: #fff;
  color: var(--ink);
  font:
    16px/1.6 system-ui,
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    sans-serif;
}
a {
  color: inherit;
  text-underline-offset: 4px;
}
a:hover {
  color: var(--accent);
}
a:focus-visible {
  outline: 3px solid #167953;
  outline-offset: 5px;
}
header,
main,
footer {
  width: min(1080px, calc(100% - 3rem));
  margin: auto;
}
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 88px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 1.25rem;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0.04em;
}
.brand img {
  object-fit: contain;
}
nav {
  display: flex;
  gap: 1.5rem;
  font-size: 0.9rem;
}
nav a {
  text-decoration: none;
}
.product-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-bottom: 1px solid var(--line);
}
.product-tabs a {
  padding: 1rem 1.25rem;
  border-bottom: 3px solid transparent;
  margin-bottom: -1px;
  min-width: 0;
}
.product-tabs a:first-child {
  padding-left: 0;
}
.product-tabs a[aria-current] {
  border-color: var(--accent);
  color: var(--accent);
}
.product-tabs span {
  display: block;
  font-size: 1rem;
  font-weight: 650;
}
.product-tabs small {
  display: block;
  color: var(--muted);
  font-size: 0.875rem;
}
.page-heading {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 2.5rem 0;
}
h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.045em;
  font-weight: 650;
  margin: 0;
}
h2 {
  font-size: 1.3rem;
  letter-spacing: -0.025em;
  line-height: 1.3;
  margin: 0;
}
h3 {
  font-size: 1rem;
  line-height: 1.35;
  margin: 0;
  font-weight: 650;
}
.version {
  color: var(--muted);
  font-size: 0.875rem;
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 0.1rem 0.45rem;
}
.section-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}
.count,
.section-help {
  font-size: 0.875rem;
  color: var(--muted);
}
.coins {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line);
  column-gap: 2rem;
}
.coin {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
  min-width: 0;
}
.identity {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  min-width: 0;
}
.identity img {
  object-fit: contain;
  flex-shrink: 0;
}
.symbol {
  color: var(--muted);
  font-size: 0.875rem;
}
.install,
.download {
  font-size: 0.875rem;
  white-space: nowrap;
  text-decoration: none;
}
.install {
  border: 1px solid var(--line);
  padding: 0.5rem 0.7rem;
  border-radius: 6px;
}
.install:hover {
  border-color: var(--accent);
  background: #f0f8f3;
}
.install span,
.download span {
  margin-left: 0.4rem;
}
.download {
  color: var(--muted);
}
section + section {
  margin-top: 3rem;
}
.opera {
  margin-bottom: 3rem;
}
.opera-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.75rem;
}
.opera-links a {
  font-size: 0.925rem;
}
footer {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  padding: 1.5rem 0;
  margin-top: 3rem;
  color: var(--muted);
  font-size: 0.875rem;
}
article {
  max-width: 760px;
  padding: 3rem 0;
}
article h1 {
  margin-bottom: 1.5rem;
}
article h2 {
  margin-top: 2rem;
}
article li {
  margin: 0.6rem 0;
}
.platform {
  color: var(--accent);
  font-size: 0.875rem;
  font-weight: 650;
  margin: 0 0 1rem;
}
.product-detail {
  padding: 4rem 0 5rem;
  min-height: 420px;
}
.product-description {
  font-size: 1.15rem;
  color: var(--muted);
  margin: 0 0 1.5rem;
}
.features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
  color: var(--muted);
}
.features li {
  margin: 0;
  font-size: 0.925rem;
}
.product-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.primary-button {
  background: var(--accent);
  color: #fff;
  border-radius: 6px;
  padding: 0.7rem 1.1rem;
  text-decoration: none;
  font-weight: 600;
}
.primary-button:hover {
  background: #0d5039;
  color: #fff;
}
.product-note {
  font-size: 0.875rem;
  color: var(--muted);
  margin-top: 1.5rem;
}
code {
  background: var(--soft);
  padding: 0.1rem 0.3rem;
  overflow-wrap: anywhere;
}
.address {
  overflow-wrap: anywhere;
  font-family: monospace;
}
@media (max-width: 760px) {
  .coins {
    grid-template-columns: 1fr;
  }
  header,
  main,
  footer {
    width: calc(100% - 2rem);
  }
  .product-tabs a {
    padding: 0.8rem 0.55rem;
  }
  .product-tabs span {
    font-size: 0.925rem;
  }
  .product-tabs small {
    font-size: 0.8rem;
  }
  footer nav {
    flex-wrap: wrap;
    gap: 0.75rem 1rem;
  }
  .page-heading {
    margin: 2rem 0;
  }
  .product-detail {
    padding: 3rem 0;
  }
}
@media (max-width: 380px) {
  .product-tabs {
    grid-template-columns: 1fr;
  }
  .product-tabs a,
  .product-tabs a:first-child {
    padding: 0.5rem 0;
    display: flex;
    justify-content: space-between;
    gap: 0.5rem;
  }
  .product-tabs small {
    text-align: right;
  }
}

.listing-status {
  font-size: 0.875rem;
  color: var(--muted);
  white-space: nowrap;
}