/* PROXIMA // in-app rulebook reader */
.rb {
  --rb-line: #353c38;
  --rb-panel: hsl(calc(var(--th-bh) + 3.6) calc(13.2% * var(--th-bs)) 10.4%);
  --rb-accent: hsl(calc(var(--th-h) + 0.7) calc(80% * var(--th-s)) calc(66% + var(--th-l)));
  --rb-muted: #a9b2a8;
  display: grid;
  grid-template-columns: 270px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  margin-bottom: 8px;
}
.rb-wait {
  display: grid;
  place-items: center;
  gap: 12px;
  min-height: 220px;
  border: 1px dashed var(--rb-line);
  color: var(--rb-muted);
  text-align: center;
  padding: 20px;
}
.rb-spinner {
  width: 26px;
  height: 26px;
  border: 3px solid var(--rb-line);
  border-top-color: var(--rb-accent);
  border-radius: 50%;
  animation: rb-spin 0.8s linear infinite;
}
@keyframes rb-spin {
  to {
    transform: rotate(360deg);
  }
}

/* sidebar */
.rb-side {
  position: sticky;
  top: 12px;
  display: grid;
  gap: 8px;
  max-height: calc(100vh - 24px);
  grid-template-rows: auto auto minmax(0, 1fr) auto;
}
.rb-search {
  width: 100%;
}
.rb-jump {
  display: none;
}
.rb-toc {
  overflow: auto;
  border: 1px solid var(--rb-line);
  background: var(--rb-panel);
  padding: 4px 0;
}
.rb-ch summary {
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  padding: 7px 12px;
  font: 700 11px var(--head);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--rb-accent);
}
.rb-ch summary small {
  color: var(--rb-muted);
  font-weight: 400;
}
.rb-link {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  border-left: 2px solid transparent;
  color: #cfd7d2;
  font-size: 12.5px;
  padding: 5px 12px 5px 20px;
  cursor: pointer;
}
.rb-link:hover {
  background: #ffffff08;
}
.rb-link.on {
  border-left-color: var(--rb-accent);
  color: var(--rb-accent);
  background: color-mix(in srgb, var(--rb-accent) 8%, transparent);
}
.rb-meta {
  display: flex;
  justify-content: space-between;
  gap: 6px;
  align-items: center;
  font-size: 10px;
  color: var(--rb-muted);
}
.rb-meta button {
  background: none;
  border: 1px solid var(--rb-line);
  color: var(--rb-muted);
  font-size: 10px;
  padding: 2px 6px;
  cursor: pointer;
  white-space: nowrap;
}

/* reading pane */
.rb-page {
  border: 1px solid var(--rb-line);
  background: var(--rb-panel);
  padding: 20px 26px 16px;
  min-height: 60vh;
  scroll-margin-top: 12px;
}
.rb-crumb {
  font: 700 10px var(--head);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--rb-muted);
}
.rb-title {
  margin: 4px 0 14px;
  font: 700 26px var(--head);
  color: var(--rb-accent);
}
.rb-body {
  max-width: 76ch;
  font-size: 14px;
  line-height: 1.65;
  color: #dfe6e2;
}
.rb-body p {
  margin: 0 0 0.9em;
}
.rb-body h3,
.rb-body h4,
.rb-body h5 {
  font-family: var(--head);
  color: var(--rb-accent);
  margin: 1.4em 0 0.5em;
  letter-spacing: 0.03em;
}
.rb-body h3 {
  font-size: 18px;
}
.rb-body h4 {
  font-size: 15px;
}
.rb-body ul,
.rb-body ol {
  padding-left: 1.4em;
  margin: 0 0 0.9em;
}
.rb-body li {
  margin-bottom: 0.3em;
}
.rb-body a {
  color: var(--rb-accent);
  cursor: pointer;
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--rb-accent) 45%, transparent);
}
.rb-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.4em 0 1.2em;
  font-size: 13px;
  display: block;
  overflow-x: auto;
}
.rb-body th,
.rb-body td {
  border-bottom: 1px solid var(--rb-line);
  padding: 6px 10px;
  text-align: left;
  vertical-align: top;
}
.rb-body th {
  font: 700 11px var(--head);
  letter-spacing: 0.06em;
  color: var(--rb-muted);
  text-transform: uppercase;
}
.rb-body .rb-alert {
  border-left: 3px solid #e8a24f;
  background: #e8a24f14;
  padding: 10px 14px;
  margin: 0 0 1em;
}
.rb-body .rb-box {
  border: 1px solid var(--rb-line);
  padding: 10px 14px;
  margin: 0 0 1em;
}
.rb-body .rb-chip {
  display: inline-block;
  border: 1px solid var(--rb-line);
  border-radius: 10px;
  padding: 0 7px;
  font-size: 11px;
  color: var(--rb-muted);
}
.rb-body mark,
.rb-hit mark {
  background: #ffd25a55;
  color: inherit;
  padding: 0 1px;
}
.rb-entry {
  border-bottom: 1px solid var(--rb-line);
  padding-bottom: 8px;
  margin-bottom: 8px;
  scroll-margin-top: 12px;
}
.rb-entry h3 {
  margin-top: 0.4em;
}
.rb-pn {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  border-top: 1px solid var(--rb-line);
  margin-top: 20px;
  padding-top: 12px;
}
.rb-pn button {
  background: none;
  border: 1px solid var(--rb-line);
  color: var(--rb-accent);
  font: 700 11px var(--head);
  letter-spacing: 0.05em;
  padding: 7px 12px;
  cursor: pointer;
  max-width: 48%;
}
.rb-pn button:hover {
  background: color-mix(in srgb, var(--rb-accent) 10%, transparent);
}

/* search results */
.rb-hits {
  display: grid;
  gap: 6px;
}
.rb-hits-head {
  font: 700 11px var(--head);
  letter-spacing: 0.08em;
  color: var(--rb-muted);
  margin-bottom: 4px;
}
.rb-hit {
  display: grid;
  gap: 2px;
  text-align: left;
  background: #00000022;
  border: 1px solid var(--rb-line);
  border-left: 3px solid var(--rb-accent);
  color: #dfe6e2;
  padding: 8px 12px;
  cursor: pointer;
}
.rb-hit:hover {
  background: #ffffff08;
}
.rb-hit b {
  font: 700 13px var(--head);
  color: var(--rb-accent);
}
.rb-hit small {
  font-size: 10px;
  color: var(--rb-muted);
}
.rb-hit span {
  font-size: 12.5px;
  line-height: 1.45;
}
.rb-credit {
  font-size: 10px;
  color: #7d8783;
  margin: 0 0 14px;
}
.rb-more {
  margin-top: 6px;
}
.rb-more > summary {
  cursor: pointer;
  font: 700 11px var(--head);
  letter-spacing: 0.08em;
  color: #a9b2a8;
  padding: 8px 0;
}

@media (max-width: 900px) {
  .rb {
    grid-template-columns: 1fr;
  }
  .rb-side {
    position: static;
    max-height: none;
    grid-template-rows: none;
  }
  .rb-toc {
    display: none;
  }
  .rb-jump {
    display: block;
    width: 100%;
  }
  .rb-page {
    padding: 16px;
  }
}