:root {
  --bg: #f5f7fb;
  --text: #172033;
  --muted: #5b6575;
  --line: #d9dfeb;
  --panel: #ffffff;
  --panel-strong: #f2f5fb;
  --primary: #1d4ed8;
  --primary-strong: #1e40af;
  --secondary: #334155;
  --success: #1f8f4a;
  --warn: #b7791f;
  --error: #b42318;
  --content-max: 980px;
  --fs-body: 14px;
  --fs-h1: clamp(28px, 3.1vw, 34px);
  --fs-h2: clamp(19px, 2.1vw, 24px);
  --fs-h3: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: var(--fs-body);
  line-height: 1.55;
}

.container {
  width: min(var(--content-max), 92vw);
  margin: 28px auto 46px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px 24px;
  box-shadow: 0 10px 32px rgba(15, 23, 42, 0.06);
}

@media (min-width: 1024px) {
  .container {
    min-height: calc(100vh - 96px);
    display: flex;
    flex-direction: column;
  }
}

h1 {
  margin: 0 0 6px;
  font-size: var(--fs-h1);
  line-height: 1.15;
  letter-spacing: -0.015em;
}

h2 {
  margin: 0 0 10px;
  font-size: var(--fs-h2);
  line-height: 1.22;
}

h3 {
  margin: 0 0 8px;
  font-size: var(--fs-h3);
  line-height: 1.28;
}

p {
  margin: 0 0 10px;
}

.sub {
  color: var(--muted);
  margin-bottom: 22px;
  font-size: 15px;
}

.badge {
  display: inline-block;
  vertical-align: middle;
  background: #e8efff;
  color: #183fa5;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 10px;
  letter-spacing: 0.04em;
  font-weight: 700;
  text-transform: uppercase;
  margin-left: 8px;
}

pre {
  background: var(--panel-strong);
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 13px;
  overflow-x: auto;
}

code {
  white-space: pre;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 14px 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

th,
td {
  padding: 9px 11px;
  border: 1px solid var(--line);
  text-align: left;
  font-size: 13px;
}

th {
  background: #f6f8fc;
  font-weight: 600;
}

hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: 22px 0;
}

a {
  color: var(--primary);
  text-decoration-color: rgba(29, 78, 216, 0.35);
  text-underline-offset: 3px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chain-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chain-link {
  display: inline-block;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 12px;
  text-decoration: none;
  font-weight: 600;
  color: var(--secondary);
  background: #ffffff;
}

.chain-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.chain-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  min-height: 34px;
  padding: 6px 14px;
  line-height: 1;
  white-space: nowrap;
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  color: var(--secondary);
  background: #ffffff;
}

.chain-nav a.home-link {
  gap: 6px;
}

.chain-nav a.home-link svg {
  width: 13px;
  height: 13px;
  fill: currentColor;
  flex: 0 0 auto;
}

.chain-nav a.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
}

.chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 11px;
  background: #f9fbff;
  font-size: 12px;
  color: var(--secondary);
}

section[aria-labelledby="links-heading"] {
  margin-top: 20px;
}

.cta {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-strong) 100%);
  color: #ffffff;
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 13px;
}

@media (min-width: 1024px) {
  .cta {
    margin-top: auto;
  }
}

.buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.btn {
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 8px 13px;
  cursor: pointer;
  color: #ffffff;
  font-size: 12px;
  font-weight: 600;
  font-family: inherit;
}

.btn.primary {
  background: var(--primary);
}

.btn.secondary {
  background: #4b5563;
}

.rpc-result {
  margin-top: 14px;
  display: none;
}

.rpc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 8px;
  font-size: 12px;
  color: var(--muted);
}

.rpc-response {
  background: var(--panel-strong);
  border: 1px solid var(--line);
}

.footer {
  color: var(--muted);
  font-size: 12px;
}

.chain-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.chain-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px;
  background: #ffffff;
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.04);
}

.chain-card h3 {
  margin: 0 0 6px;
  font-size: 15px;
}

.chain-card p {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 12px;
}

.status {
  display: inline-block;
  font-size: 10px;
  border-radius: 999px;
  padding: 3px 8px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: #ffffff;
}

.status.live {
  background: var(--success);
}

.status.soon {
  background: #888888;
}

.endpoint {
  margin-top: 6px;
  background: var(--panel-strong);
  padding: 7px 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 11px;
  color: #475467;
}

section[aria-labelledby="faq-heading"] {
  margin-top: 2px;
}

section[aria-labelledby="faq-heading"] details {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #ffffff;
  box-shadow: 0 1px 6px rgba(15, 23, 42, 0.03);
  padding: 0 12px;
  margin-bottom: 8px;
}

section[aria-labelledby="faq-heading"] summary {
  list-style: none;
  cursor: pointer;
  padding: 11px 18px 11px 0;
  color: var(--secondary);
  font-size: 13px;
  font-weight: 600;
  position: relative;
}

section[aria-labelledby="faq-heading"] summary::-webkit-details-marker {
  display: none;
}

section[aria-labelledby="faq-heading"] summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 16px;
  line-height: 1;
  color: var(--primary);
}

section[aria-labelledby="faq-heading"] details[open] summary::after {
  content: "-";
}

section[aria-labelledby="faq-heading"] details p {
  margin: 0 0 12px;
  padding-top: 1px;
  font-size: 13px;
  color: var(--muted);
}

@media (max-width: 700px) {
  .container {
    width: 95vw;
    margin: 14px auto 24px;
    padding: 16px;
    border-radius: 10px;
  }

  .chain-grid {
    grid-template-columns: 1fr;
  }

  .chain-nav {
    gap: 8px;
    padding-bottom: 10px;
  }

  section[aria-labelledby="faq-heading"] details {
    border-radius: 8px;
    padding: 0 10px;
  }

  section[aria-labelledby="faq-heading"] summary {
    font-size: 12px;
    padding: 10px 16px 10px 0;
  }

  section[aria-labelledby="faq-heading"] details p {
    font-size: 12px;
  }
}