/* PayChain Hub (/app) — 라이브 모니터링 */

.hub-app {
  margin: 0;
  min-height: 100vh;
  background: var(--gray-50, #f8fafc);
  color: var(--navy, #0f172a);
  font-family: var(--font, "DM Sans", system-ui, sans-serif);
}

.hub-header {
  background: linear-gradient(180deg, #0f172a 0%, #1e3a5f 100%);
  color: #fff;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: sticky;
  top: 0;
  z-index: 20;
}

.hub-header__inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: space-between;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.hub-logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: #fff;
  text-decoration: none;
}

.hub-logo:hover {
  color: #93c5fd;
}

.hub-badge {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #93c5fd;
  padding: 0.25rem 0.6rem;
  border: 1px solid rgba(147, 197, 253, 0.35);
  border-radius: 999px;
}

.hub-nav {
  display: flex;
  gap: 1rem;
  margin-left: auto;
}

.hub-nav a {
  color: #94a3b8;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
}

.hub-nav a:hover {
  color: #fff;
}

.hub-last-refresh {
  flex-basis: 100%;
  margin: 0;
  padding-top: 0.35rem;
  text-align: right;
  font-size: 0.75rem;
  color: #94a3b8;
}

.hub-main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.hub-lead {
  margin: 0 0 1.5rem;
  font-size: 1.02rem;
  line-height: 1.65;
  color: #64748b;
  max-width: 48em;
}

.hub-lead strong {
  color: #0f172a;
}

.hub-quick-grid {
  display: grid;
  gap: 1rem;
  margin: 0 0 1.5rem;
  grid-template-columns: 1fr;
}

@media (min-width: 900px) {
  .hub-quick-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.hub-quick-card {
  background: linear-gradient(180deg, #eff6ff 0%, #ffffff 100%);
  border: 1px solid #dbeafe;
  border-radius: 12px;
  padding: 1rem 1.1rem;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
}

.hub-quick-card__title {
  margin: 0 0 0.45rem;
  font-size: 0.95rem;
  color: #0f172a;
}

.hub-quick-card__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.55;
  color: #475569;
}

.hub-config {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
}

.hub-config__grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 720px) {
  .hub-config__grid {
    grid-template-columns: 1fr 1fr;
  }
}

.hub-config__grid--onchain {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid #e2e8f0;
}

@media (min-width: 720px) {
  .hub-config__grid--onchain {
    grid-template-columns: 1fr 1fr;
  }
  .hub-field--span2 {
    grid-column: 1 / -1;
  }
}

.hub-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.hub-field label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #64748b;
}

.hub-field input[type="url"],
.hub-field input[type="password"],
.hub-field input[type="text"] {
  padding: 0.55rem 0.75rem;
  font-size: 0.875rem;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  font-family: ui-monospace, monospace;
}

.hub-field input:focus {
  outline: none;
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.hub-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
  margin-top: 1rem;
}

.hub-btn {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: inherit;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.hub-btn--primary {
  background: #2563eb;
  color: #fff;
}

.hub-btn--primary:hover {
  background: #1d4ed8;
}

.hub-btn--secondary {
  background: #f1f5f9;
  color: #0f172a;
  border: 1px solid #e2e8f0;
}

.hub-btn--secondary:hover {
  background: #e2e8f0;
}

.hub-check {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  color: #64748b;
  cursor: pointer;
}

.hub-conn-mode {
  margin: 0.65rem 0 0;
  padding: 0.45rem 0.65rem;
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: 8px;
  line-height: 1.4;
  white-space: pre-line;
}

.hub-conn-mode--direct {
  background: #ecfdf5;
  color: #047857;
  border: 1px solid #a7f3d0;
}

.hub-conn-mode--proxy {
  background: #eff6ff;
  color: #1d4ed8;
  border: 1px solid #bfdbfe;
}

.hub-note {
  margin: 0.75rem 0 0;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: #94a3b8;
}

.hub-note code {
  font-size: 0.85em;
  background: #f1f5f9;
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

.hub-note kbd {
  font-size: 0.85em;
  padding: 0.1em 0.35em;
  border-radius: 4px;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  font-family: ui-monospace, monospace;
}

.hub-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .hub-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .hub-grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .hub-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .hub-grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

.hub-card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 1.15rem 1.25rem;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
}

.hub-card__title {
  margin: 0 0 0.65rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #64748b;
}

.hub-card__status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.hub-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #94a3b8;
}

.hub-dot--ok {
  background: #059669;
}

.hub-dot--warn {
  background: #d97706;
}

.hub-dot--err {
  background: #dc2626;
}

.hub-pre {
  margin: 0;
  padding: 0.75rem;
  background: #0f172a;
  color: #e2e8f0;
  border-radius: 8px;
  font-size: 0.7rem;
  line-height: 1.5;
  overflow: auto;
  max-height: 14rem;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: ui-monospace, monospace;
}

.hub-pre.is-error {
  color: #fecaca;
}

.hub-pre.is-muted {
  color: #94a3b8;
}

.hub-pre--short {
  max-height: 10rem;
}

.hub-summary {
  margin: 0 0 0.65rem;
  padding: 0.5rem 0.65rem;
  background: #f8fafc;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
  font-size: 0.8125rem;
  line-height: 1.5;
}

.hub-summary:empty {
  display: none;
}

.hub-dl {
  margin: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.25rem 0.75rem;
  align-items: baseline;
}

.hub-dl dt {
  margin: 0;
  color: #64748b;
  font-weight: 600;
}

.hub-dl dd {
  margin: 0;
  color: #0f172a;
  font-family: ui-monospace, monospace;
  font-size: 0.75rem;
  word-break: break-word;
}

.hub-summary__muted {
  margin: 0;
  color: #94a3b8;
  font-size: 0.75rem;
}

.hub-card__hint {
  margin: 0 0 0.65rem;
  font-size: 0.8125rem;
  color: #64748b;
  line-height: 1.45;
}

.hub-net-mvp-summary.hub-net-mvp--muted {
  color: #94a3b8;
}

.hub-net-mvp-summary.hub-net-mvp--warn {
  color: #b45309;
}

.hub-link-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.hub-link-list li {
  margin: 0.35rem 0;
  font-size: 0.8125rem;
  word-break: break-all;
}

.hub-link-list a {
  color: #2563eb;
  text-decoration: none;
}

.hub-link-list a:hover {
  text-decoration: underline;
}

.hub-section-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin: 2rem 0 1rem;
  color: #0f172a;
}

.hub-fold {
  margin-top: 2rem;
  border: 1px solid #dbeafe;
  border-radius: 12px;
  background: #ffffff;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.05);
  overflow: hidden;
}

.hub-fold__summary {
  cursor: pointer;
  list-style: none;
  padding: 1rem 1.15rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: #0f172a;
  background: linear-gradient(180deg, #eff6ff 0%, #ffffff 100%);
}

.hub-fold__summary::-webkit-details-marker {
  display: none;
}

.hub-fold__summary::after {
  content: "+";
  float: right;
  color: #2563eb;
  font-size: 1.1rem;
  line-height: 1;
}

.hub-fold[open] .hub-fold__summary::after {
  content: "−";
}

.hub-fold__lead {
  margin: 0;
  padding: 0 1.15rem 1rem;
  font-size: 0.875rem;
  color: #64748b;
  line-height: 1.55;
}

.hub-fold .hub-grid,
.hub-fold .hub-tabs,
.hub-fold .hub-card {
  margin-left: 1.15rem;
  margin-right: 1.15rem;
}

.hub-fold .hub-grid:last-child,
.hub-fold .hub-card:last-child {
  margin-bottom: 1.15rem;
}

.hub-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
}

.hub-tab {
  padding: 0.35rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  border: 1px solid #e2e8f0;
  background: #fff;
  border-radius: 8px;
  cursor: pointer;
  color: #64748b;
}

.hub-tab.is-active {
  background: #eff6ff;
  border-color: #2563eb;
  color: #1d4ed8;
}

.hub-copy-feedback {
  font-size: 0.8125rem;
  font-weight: 600;
  color: #059669;
}

.hub-footnote {
  margin-top: 2rem;
  padding: 1rem 1.25rem;
  background: #fffbeb;
  border: 1px solid #fcd34d;
  border-radius: 8px;
  font-size: 0.8125rem;
  color: #92400e;
  line-height: 1.55;
}

.hub-footnote__link {
  display: inline-block;
  margin-top: 0.5rem;
  color: #b45309;
  font-weight: 600;
}

.hub-footnote__link:hover {
  color: #92400e;
  text-decoration: underline;
}

/* CDP-style step kickers + per-panel curl copy (2026-06 landing alignment) */
.hub-step {
  display: inline-block;
  margin-right: 0.5rem;
  padding: 0.12rem 0.55rem;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.1);
  color: #2563eb;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  vertical-align: middle;
}

.hub-curl-btn {
  float: right;
  margin-left: 0.5rem;
  padding: 0.14rem 0.6rem;
  font: inherit;
  font-size: 0.7rem;
  font-weight: 600;
  color: #2563eb;
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.25);
  border-radius: 999px;
  cursor: pointer;
}

.hub-main {
  padding-top: 1.5rem;
}

/* ============================================================
   2026-06 landing alignment — exact design-system match.
   Overrides the legacy hub look with the landing tokens
   (styles.css vars: white base, hairline borders, DM Sans
   scale, mono labels, navy code blocks). Later rules win.
   ============================================================ */

body.hub-app {
  background: var(--bg);
  color: var(--ink);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
}

.hub-section-title {
  margin: 2.75rem 0 1.1rem;
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.hub-config .hub-section-title {
  margin-top: 0;
}

.hub-step {
  background: rgba(37, 99, 235, 0.08);
  color: var(--accent);
  font-family: var(--mono);
}

.hub-config {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: none;
}

.hub-field label {
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.hub-field input[type="url"],
.hub-field input[type="password"],
.hub-field input[type="text"] {
  padding: 0.62rem 0.9rem;
  font: inherit;
  font-size: var(--fs-small);
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: none;
}

.hub-field input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--line);
  box-shadow: none;
}

.hub-note,
.hub-card__hint,
.hub-fold__lead {
  color: var(--muted);
  font-size: var(--fs-small);
}

.hub-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem 1.5rem 1.25rem;
  box-shadow: none;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.hub-card:hover {
  border-color: var(--line-strong);
}

.hub-card__title {
  font-size: var(--fs-h3);
  font-weight: 650;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.hub-pre {
  background: #0f172a;
  color: #dbeafe;
  border: 0;
  border-radius: 8px;
  padding: 0.7rem 0.85rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  line-height: 1.55;
}

.hub-pre.is-error {
  color: #fca5a5;
}

.hub-pre.is-muted {
  color: #94a3b8;
}

.hub-tabs {
  gap: 0.4rem;
}

.hub-tab {
  padding: 0.34rem 0.85rem;
  font: 600 var(--fs-mono) / 1.4 var(--font);
  color: var(--ink-2);
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  cursor: pointer;
}

.hub-tab.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.hub-fold {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
}

.hub-fold__summary {
  font-weight: 650;
  color: var(--ink);
}

.hub-footnote {
  color: var(--ink-2);
  font-size: var(--fs-small);
  background: var(--bg);
  border: 1px solid var(--line);
  border-left: 2px solid var(--accent);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
}

.hub-footnote__link,
.hub-footnote a {
  color: var(--accent-ink);
}

/* chain-information panel (added with the live console) */
.hub-section-title--sub { margin-top: 1.8rem; font-size: 0.95rem; }
.hub-chain__v { font-size: 1.05rem; font-weight: 600; color: var(--ink, #0f172a); margin: 0.45rem 0 0.3rem; letter-spacing: -0.01em; }
.hub-chain__v code { font-family: var(--mono, "JetBrains Mono", ui-monospace, monospace); font-size: 0.95em; }
.hub-chain__sub { display: inline-block; font-weight: 400; font-size: 0.8rem; color: var(--muted, #64748b); margin-left: 0.3rem; }

/* live chain snapshot status dot */
.chain-dot { display:inline-block; width:9px; height:9px; border-radius:50%; background:#cbd5e1; vertical-align:middle; margin-right:0.3rem; transition:background 0.2s, box-shadow 0.2s; }
#chain-live[data-state="live"] .chain-dot { background:#22c55e; box-shadow:0 0 0 3px rgba(34,197,94,0.18); }
#chain-live[data-state="off"] .chain-dot { background:#ef4444; }

/* live block-number pulse on each update */
@keyframes chain-pulse-kf { 0% { background: rgba(34, 197, 94, 0.20); } 100% { background: transparent; } }
.chain-pulse { animation: chain-pulse-kf 0.9s ease-out; border-radius: 5px; box-decoration-break: clone; -webkit-box-decoration-break: clone; }
/* operator console — collapsible */
.hub-operator { margin-top: 2.6rem; padding-top: 1.7rem; border-top: 1px solid var(--line, #e5e9f0); }
.hub-operator > summary { cursor: pointer; list-style: none; display: flex; flex-direction: column; gap: 0.3rem; padding: 0.3rem 0; }
.hub-operator > summary::-webkit-details-marker { display: none; }
.hub-operator > summary:focus-visible { outline: 2px solid var(--accent, #2563eb); outline-offset: 3px; border-radius: 6px; }
.hub-operator__title { font-size: 1.1rem; font-weight: 700; letter-spacing: -0.01em; color: var(--ink, #0f172a); position: relative; padding-right: 1.6rem; }
.hub-operator__title::after { content: "\25B8"; position: absolute; right: 0; top: 0; color: var(--muted, #64748b); transition: transform 0.15s ease; }
.hub-operator[open] > summary .hub-operator__title::after { transform: rotate(90deg); }
.hub-operator__hint { font-size: 0.85rem; color: var(--muted, #64748b); max-width: 46rem; }
.hub-operator[open] > summary { margin-bottom: 1.4rem; }

/* visually-hidden (for table captions / SR-only labels) */
.vh { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* ── real-time chain monitor ───────────────────────────────── */
.chainmon { margin: 0.4rem 0 0.2rem; }
.chainmon__hero { background: var(--navy, #0f172a); color: #fff; border-radius: 16px; padding: 1.7rem 1.9rem; box-shadow: 0 24px 60px -34px rgba(15, 23, 42, 0.55); }
.chainmon__live { display: inline-flex; align-items: center; gap: 0.5rem; font-family: var(--mono, "JetBrains Mono", ui-monospace, monospace); font-size: 0.7rem; letter-spacing: 0.16em; font-weight: 600; color: #86efac; }
.chainmon__pulse { width: 8px; height: 8px; border-radius: 50%; background: #22c55e; animation: cm-pulse 1.7s infinite; }
@keyframes cm-pulse { 0% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.55); } 70% { box-shadow: 0 0 0 9px rgba(34, 197, 94, 0); } 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); } }
.chainmon__blocklabel { margin-top: 0.85rem; font-size: 0.8rem; color: #94a3b8; }
.chainmon__block { font-family: var(--mono, "JetBrains Mono", ui-monospace, monospace); font-size: clamp(2.4rem, 1.4rem + 4vw, 3.7rem); font-weight: 600; line-height: 1; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.chainmon__sub { margin-top: 0.6rem; font-size: 0.78rem; color: #94a3b8; font-family: var(--mono, "JetBrains Mono", ui-monospace, monospace); }
.chainmon__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(148px, 1fr)); gap: 12px; margin-top: 12px; }
.chainmon__metric { border: 1px solid var(--line, #e5e9f0); border-radius: 12px; padding: 1rem 1.1rem; background: #fff; display: flex; flex-direction: column; gap: 0.35rem; min-height: 98px; }
.chainmon__mlabel { font-size: 0.7rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted, #64748b); font-family: var(--mono, "JetBrains Mono", ui-monospace, monospace); }
.chainmon__mval { font-size: 1.45rem; font-weight: 600; color: var(--ink, #0f172a); font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }
.chainmon__conn { font-size: 1rem; }
.chainmon__spark { width: 100%; height: 30px; margin-top: auto; }
.chainmon__spark polyline { fill: none; stroke: var(--accent, #2563eb); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; vector-effect: non-scaling-stroke; }
.chainmon[data-state="off"] .chainmon__pulse { background: #ef4444; animation: none; }
.chainmon[data-state="off"] .chainmon__live { color: #fca5a5; }
.chainmon[data-state="off"] .chainmon__conn { color: #ef4444; }
@media (prefers-reduced-motion: reduce) { .chainmon__pulse { animation: none; } }
@media (max-width: 760px) { .chainmon__grid { grid-template-columns: repeat(2, 1fr); } }

.chainmon__client { font-family: var(--mono, "JetBrains Mono", ui-monospace, monospace); font-size: 0.95rem; }

/* Chain sandbox (RPC query) */
.rpcsb { margin-top: 1.6rem; }
.rpcsb__tabs { display: flex; flex-wrap: wrap; gap: 8px; margin: 0.6rem 0 1rem; }
.rpcsb__tab { border: 1px solid var(--line, #e5e9f0); background: #fff; color: var(--muted, #64748b); border-radius: 999px; padding: 0.4rem 1rem; font: inherit; font-size: 0.9rem; cursor: pointer; transition: color .15s ease, border-color .15s ease, background .15s ease; }
.rpcsb__tab:hover { border-color: var(--accent, #2563eb); color: var(--ink, #0f172a); }
.rpcsb__tab.is-active { background: var(--accent, #2563eb); border-color: var(--accent, #2563eb); color: #fff; }
.rpcsb__bar { display: flex; gap: 8px; flex-wrap: wrap; }
.rpcsb__input { flex: 1 1 280px; min-width: 0; border: 1px solid var(--line, #e5e9f0); border-radius: 10px; padding: 0.7rem 0.9rem; font-family: var(--mono, "JetBrains Mono", ui-monospace, monospace); font-size: 0.95rem; }
.rpcsb__input:focus { outline: 2px solid var(--accent, #2563eb); outline-offset: 1px; }
.rpcsb__presets { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 0.6rem; }
.rpcsb__presets[hidden] { display: none; }
.rpcsb__chip { border: 1px solid var(--line, #e5e9f0); background: #fff; border-radius: 8px; padding: 0.35rem 0.7rem; font: inherit; font-size: 0.82rem; cursor: pointer; font-family: var(--mono, "JetBrains Mono", ui-monospace, monospace); }
.rpcsb__chip:hover { border-color: var(--accent, #2563eb); }
.rpcsb__hint { font-size: 0.82rem; color: var(--muted, #64748b); margin-top: 0.55rem; min-height: 1em; }
.rpcsb__hint[data-state="error"] { color: #ef4444; }
.rpcsb__out { margin-top: 1rem; }
.rpcsb__summary { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin: 0 0 1rem; }
.rpcsb__stat { border: 1px solid var(--line, #e5e9f0); border-radius: 10px; padding: 0.65rem 0.85rem; background: #fff; min-width: 0; }
.rpcsb__stat dt { font-size: 0.66rem; letter-spacing: .05em; text-transform: uppercase; color: var(--muted, #64748b); font-family: var(--mono, "JetBrains Mono", ui-monospace, monospace); }
.rpcsb__stat dd { margin: 0.3rem 0 0; font-size: 1.02rem; font-weight: 600; color: var(--ink, #0f172a); word-break: break-all; font-variant-numeric: tabular-nums; }
.rpcsb__split { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.rpcsb__panelhead { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: 0.76rem; color: var(--muted, #64748b); margin-bottom: 0.3rem; font-family: var(--mono, "JetBrains Mono", ui-monospace, monospace); }
.rpcsb__copy { border: 1px solid var(--line, #e5e9f0); background: #fff; border-radius: 6px; padding: 0.2rem 0.55rem; font: inherit; font-size: 0.72rem; cursor: pointer; white-space: nowrap; }
.rpcsb__copy:hover { border-color: var(--accent, #2563eb); }
.rpcsb__panel .hub-pre { margin: 0; }
.rpcsb__panel .hub-pre code { background: none; border: 0; padding: 0; margin: 0; color: inherit; font: inherit; white-space: pre; }
@media (max-width: 760px) { .rpcsb__split { grid-template-columns: 1fr; } }

/* Network spec (definition list) — replaces the 9-card grids */
.netspec { display: grid; gap: 0; margin: 0.6rem 0 0; border-top: 1px solid var(--line, #e5e9f0); }
.netspec__row { display: grid; grid-template-columns: minmax(8rem, 12rem) 1fr; gap: 0.5rem 1.25rem; padding: 0.7rem 0; border-bottom: 1px solid var(--line, #e5e9f0); align-items: baseline; }
.netspec dt { font-size: 0.8rem; letter-spacing: 0.04em; color: var(--muted, #64748b); font-family: var(--mono, "JetBrains Mono", ui-monospace, monospace); }
.netspec dd { margin: 0; color: var(--ink, #0f172a); font-size: 0.95rem; overflow-wrap: anywhere; }
.netspec dd code { font-family: var(--mono, "JetBrains Mono", ui-monospace, monospace); font-size: 0.9em; }
.netspec__sub { display: inline-block; margin-left: 0.45rem; color: var(--muted, #64748b); font-size: 0.8rem; }
@media (max-width: 560px) { .netspec__row { grid-template-columns: 1fr; gap: 0.15rem; padding: 0.6rem 0; } }

/* Sandbox raw response/cURL fold */
.rpcsb__raw { margin-top: 0.25rem; }
.rpcsb__rawsum { cursor: pointer; list-style: none; font-size: 0.82rem; color: var(--muted, #64748b); font-family: var(--mono, "JetBrains Mono", ui-monospace, monospace); padding: 0.4rem 0; }
.rpcsb__rawsum::-webkit-details-marker { display: none; }
.rpcsb__rawsum::after { content: "+"; margin-left: 0.4rem; color: var(--accent, #2563eb); }
.rpcsb__raw[open] .rpcsb__rawsum::after { content: "−"; }
.rpcsb__raw[open] .rpcsb__split { margin-top: 0.5rem; }

/* F1 — focus-visible on the disclosure summaries (ADD; .hub-fold__summary had none) */
.rpcsb__rawsum:focus-visible, .hub-fold__summary:focus-visible { outline: 2px solid var(--accent, #2563eb); outline-offset: 3px; border-radius: 6px; }