:root {
  --jj-bg: #0b0b0c;
  --jj-surface: #17171a;
  --jj-surface-2: #1f1f23;
  --jj-border: #2a2a2e;
  --jj-text: #f2f2f2;
  --jj-muted: #a3a3a3;
  --jj-faint: #6e6e73;
  --jj-accent: #4da3ff;
  --jj-green: #4cc38a;
  --jj-amber: #f0b429;
  --jj-red: #ff6b6b;
  --jj-violet: #b28dff;
}

.jj-body {
  display: block;
  padding: 0;
}

.jj-shell {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  max-width: 1200px;
  margin: 0 auto;
  min-height: 100vh;
}

.jj-nav {
  position: sticky;
  top: 0;
  align-self: start;
  max-height: 100vh;
  overflow-y: auto;
  padding: 2rem 1rem 2rem 1.25rem;
  border-right: 1px solid var(--jj-border);
  font-size: 0.88rem;
}

.jj-nav-title {
  margin: 0 0 0.75rem;
  font-weight: 600;
}

.jj-nav a {
  color: var(--jj-text);
  text-decoration: none;
}

.jj-nav a:hover,
.jj-nav a[aria-current="page"] {
  color: var(--jj-accent);
}

.jj-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.jj-nav-list li {
  padding: 0.3rem 0;
}

.jj-nav-heading {
  margin: 1.25rem 0 0.35rem;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--jj-faint);
}

.jj-nav-group summary {
  cursor: pointer;
  padding: 0.3rem 0;
  color: var(--jj-muted);
}

.jj-nav-group .jj-nav-list {
  padding-left: 0.75rem;
}

.jj-nav-pending {
  color: var(--jj-faint);
}

.jj-main {
  text-align: left;
  max-width: 900px;
  width: 100%;
  min-width: 0;
  padding: 2rem 1.5rem 4rem;
  line-height: 1.6;
}

.jj-main a {
  color: var(--jj-accent);
}

.jj-breadcrumb {
  color: var(--jj-muted);
  font-size: 0.85rem;
  margin: 0 0 1rem;
}

.jj-article h1 {
  font-size: 2.4rem;
  line-height: 1.15;
}

.jj-article h2 {
  margin-top: 2.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--jj-border);
  font-size: 1.5rem;
}

.jj-article h3 {
  margin-top: 1.75rem;
  font-size: 1.15rem;
}

.jj-article .tagline {
  margin-bottom: 1.5rem;
}

.jj-toc {
  background: var(--jj-surface);
  border: 1px solid var(--jj-border);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

.jj-toc summary {
  cursor: pointer;
  font-weight: 600;
}

.jj-toc ol {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
}

.jj-toc-3 {
  padding-left: 1rem;
}

.jj-page-list {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0.75rem;
}

.jj-page-list li {
  background: var(--jj-surface);
  border: 1px solid var(--jj-border);
  border-radius: 10px;
  padding: 0.85rem 1rem;
}

.jj-page-list li > a,
.jj-page-list li > span:first-child {
  font-weight: 600;
}

.jj-page-list p {
  margin: 0.35rem 0 0;
  color: var(--jj-muted);
  font-size: 0.88rem;
}

.jj-cmd-list {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 1rem;
}

.jj-cmd-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.75rem;
  align-items: baseline;
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--jj-border);
}

.jj-cmd-list code {
  white-space: nowrap;
}

.jj-cmd-summary {
  color: var(--jj-muted);
  font-size: 0.88rem;
}

.jj-cmd-list .jj-page-pending code {
  color: var(--jj-muted);
}

.jj-page-pending > span:first-child {
  color: var(--jj-muted);
}

.jj-badge {
  display: inline-block;
  font-size: 0.7rem;
  color: var(--jj-amber);
  border: 1px solid var(--jj-amber);
  border-radius: 999px;
  padding: 0 0.45rem;
  margin-left: 0.25rem;
  vertical-align: middle;
}

.jj-article code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.88em;
  background: var(--jj-surface-2);
  border-radius: 4px;
  padding: 0.05em 0.3em;
}

.jj-article :not(pre) > code {
  overflow-wrap: anywhere;
}

.jj-article pre {
  background: var(--jj-surface);
  border: 1px solid var(--jj-border);
  border-radius: 10px;
  padding: 0.9rem 1rem;
  overflow-x: auto;
  line-height: 1.45;
}

.jj-article pre code {
  background: none;
  padding: 0;
  font-size: 0.84rem;
}

.jj-table-wrap {
  overflow-x: auto;
  margin: 1rem 0;
}

.jj-article table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.88rem;
}

.jj-article th,
.jj-article td {
  border: 1px solid var(--jj-border);
  padding: 0.45rem 0.6rem;
  vertical-align: top;
  text-align: left;
}

.jj-article th {
  background: var(--jj-surface);
}

.jj-source {
  font-size: 0.8rem;
  color: var(--jj-muted);
}

.jj-note {
  background: var(--jj-surface);
  border-left: 3px solid var(--jj-accent);
  padding: 0.6rem 0.9rem;
  border-radius: 0 8px 8px 0;
}

.jj-diagram {
  overflow-x: auto;
  margin: 1.25rem 0;
  border: 1px solid var(--jj-border);
  border-radius: 12px;
  background: var(--jj-surface);
  padding: 0.75rem;
}

.jj-diagram svg {
  display: block;
  min-width: 640px;
  width: 100%;
  height: auto;
}

.jj-diagram svg text {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  fill: var(--jj-text);
}

.jj-diagram svg .d-box {
  fill: var(--jj-surface-2);
  stroke: var(--jj-border);
}

.jj-diagram svg a:hover .d-box,
.jj-diagram svg a:focus .d-box {
  stroke: var(--jj-accent);
}

.jj-diagram svg .d-line {
  stroke: var(--jj-muted);
  fill: none;
}

.jj-diagram svg .d-muted {
  fill: var(--jj-muted);
}

.jj-diagram svg .d-accent {
  stroke: var(--jj-accent);
}

.jj-pager {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 3rem;
  font-size: 0.92rem;
}

.jj-footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--jj-border);
  color: var(--jj-faint);
  font-size: 0.8rem;
}

@media (max-width: 760px) {
  .jj-shell {
    grid-template-columns: minmax(0, 1fr);
  }

  .jj-nav {
    position: static;
    max-height: none;
    border-right: none;
    border-bottom: 1px solid var(--jj-border);
    padding: 1.25rem 1rem;
  }

  .jj-nav-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 1rem;
  }

  .jj-nav-group .jj-nav-list {
    padding-left: 0;
  }

  .jj-main {
    padding: 1.25rem 1rem 3rem;
  }

  .jj-article h1 {
    font-size: 1.9rem;
  }
}