:root {
  --br-ink: #24342f;
  --br-muted: #65746f;
  --br-line: #d8e1dd;
  --br-panel: #ffffff;
  --br-soft: #f4f7f5;
  --br-accent: #0f8b6f;
  --br-blue: #34699a;
  --br-warn: #b86f1d;
}

.br-search-inline,
.br-search-page,
.br-doc-context {
  color: var(--br-ink);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

.br-search-box {
  align-items: center;
  background: var(--br-panel);
  border: 1px solid var(--br-line);
  border-radius: 8px;
  display: flex;
  gap: 8px;
  padding: 8px;
}

.br-search-box input {
  background: transparent;
  border: 0;
  color: var(--br-ink);
  flex: 1;
  font-size: 16px;
  line-height: 1.4;
  min-width: 0;
  outline: 0;
  padding: 8px 10px;
}

.br-search-open,
.br-filterbar button,
.br-tabs button,
.br-link-button {
  border: 1px solid var(--br-line);
  border-radius: 6px;
  cursor: pointer;
  font: inherit;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
}

.br-search-open {
  background: var(--br-accent);
  border-color: var(--br-accent);
  color: #ffffff;
  display: inline-flex;
  font-weight: 700;
  justify-content: center;
  min-width: 58px;
  padding: 9px 12px;
}

.markdown-section .br-search-open,
.markdown-section .br-search-open:hover,
.br-search-open:hover {
  color: #ffffff;
  text-decoration: none;
}

.br-search-inline {
  background: var(--br-soft);
  border: 1px solid var(--br-line);
  border-radius: 8px;
  margin: 0 0 24px;
  padding: 12px;
}

.br-search-status {
  color: var(--br-muted);
  font-size: 14px;
  min-height: 22px;
  padding: 8px 2px 0;
}

.br-search-status:empty {
  display: none;
}

.br-search-page.is-searching .br-search-status,
.br-search-inline.is-searching .br-search-status {
  color: var(--br-accent);
  font-weight: 650;
}

.br-search-preview {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.br-search-page {
  background: #f7faf8;
  display: grid;
  gap: 20px;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  min-height: 100vh;
  padding: 22px;
}

.br-search-main,
.br-search-side {
  min-width: 0;
}

.br-search-sticky {
  background: #f7faf8;
  padding-bottom: 12px;
  position: sticky;
  top: 0;
  z-index: 4;
}

.br-search-box-large {
  box-shadow: 0 8px 24px rgba(36, 52, 47, 0.08);
}

.br-filterbar,
.br-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.br-filterbar button,
.br-tabs button,
.br-link-button {
  background: white;
  color: var(--br-ink);
  padding: 8px 10px;
}

.br-filterbar button.is-active,
.br-tabs button.is-active {
  background: #e7f4ef;
  border-color: var(--br-accent);
  color: #075f4b;
}

.br-search-count {
  color: var(--br-muted);
  font-size: 14px;
  min-height: 20px;
  padding: 8px 2px 0;
}

.br-results {
  display: grid;
  gap: 12px;
}

.br-result-card {
  background: var(--br-panel);
  border: 1px solid var(--br-line);
  border-radius: 8px;
  cursor: pointer;
  padding: 14px;
}

.br-result-card.is-selected {
  border-color: rgba(15, 139, 111, 0.72);
  box-shadow: inset 4px 0 0 var(--br-accent), 0 8px 22px rgba(36, 52, 47, 0.08);
}

.br-result-card:focus-visible {
  outline: 2px solid rgba(15, 139, 111, 0.42);
  outline-offset: 2px;
}

.br-result-card:hover {
  border-color: rgba(15, 139, 111, 0.52);
}

.br-result-title {
  color: var(--br-ink);
  display: block;
  font-size: 18px;
  font-weight: 650;
  line-height: 1.35;
  text-decoration: none;
}

.br-result-title:hover,
.br-result-snippet:hover,
.br-mindmap-tree a:hover {
  color: var(--br-accent);
}

.br-result-meta {
  color: var(--br-muted);
  font-size: 13px;
  margin-top: 4px;
}

.br-result-snippets {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

.br-result-snippet {
  background: #fbfcfb;
  border-left: 3px solid #d3ded9;
  color: var(--br-ink);
  display: block;
  line-height: 1.65;
  padding: 8px 10px;
  text-decoration: none;
}

.br-result-snippet mark,
.br-search-mark {
  background: #ffe08a;
  border-radius: 2px;
  color: #2f2713;
  padding: 0 2px;
}

.markdown-section .br-search-focus {
  border: 2px solid #e64b35;
  border-radius: 8px;
  box-shadow: 0 0 0 3px rgba(230, 75, 53, 0.12);
  padding: 8px 10px;
}

.br-search-side {
  align-self: start;
  background: var(--br-panel);
  border: 1px solid var(--br-line);
  border-radius: 8px;
  padding: 12px;
  position: sticky;
  top: 22px;
}

.br-context-head {
  border-bottom: 1px solid var(--br-line);
  margin: -2px 0 10px;
  padding: 0 0 10px;
}

.br-context-kicker {
  color: var(--br-muted);
  font-size: 12px;
  line-height: 1.2;
  margin-bottom: 4px;
}

.br-context-title {
  color: var(--br-ink);
  display: block;
  font-size: 15px;
  font-weight: 650;
  line-height: 1.35;
  max-height: 62px;
  overflow: hidden;
  text-decoration: none;
}

.br-context-title:hover {
  color: var(--br-accent);
}

.br-graph-tools {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
  margin: 2px 0 8px;
}

.br-graph-tools button {
  background: white;
  border: 1px solid var(--br-line);
  border-radius: 6px;
  color: var(--br-ink);
  cursor: pointer;
  font: inherit;
  line-height: 1.1;
  min-width: 34px;
  padding: 6px 8px;
}

.br-graph-tools button:hover {
  border-color: var(--br-accent);
  color: var(--br-accent);
}

.br-graph-canvas {
  background: #fbfcfb;
  border: 1px solid #edf2ef;
  border-radius: 6px;
  cursor: grab;
  display: block;
  height: auto;
  max-width: 100%;
  width: 100%;
}

.br-graph-canvas.is-dragging {
  cursor: grabbing;
}

.br-graph-links {
  display: grid;
  gap: 6px;
  margin-top: 10px;
}

.br-graph-link {
  background: #f7faf8;
  border: 1px solid var(--br-line);
  border-radius: 6px;
  color: var(--br-ink);
  display: block;
  font-size: 13px;
  line-height: 1.35;
  padding: 8px 10px;
  text-decoration: none;
  white-space: normal;
  word-break: break-word;
}

.br-graph-link.is-focus {
  border-color: rgba(15, 139, 111, 0.7);
  box-shadow: inset 3px 0 0 var(--br-accent);
  font-weight: 650;
}

.br-graph-link:hover {
  border-color: var(--br-accent);
  color: var(--br-accent);
}

.br-mindmap-tree {
  line-height: 1.5;
  list-style: none;
  margin: 0;
  padding: 0;
}

.br-mindmap-tree ul {
  border-left: 1px solid var(--br-line);
  list-style: none;
  margin: 6px 0 0 10px;
  padding: 0 0 0 12px;
}

.br-mindmap-node {
  margin: 6px 0;
}

.br-mindmap-tree a {
  color: var(--br-ink);
  display: block;
  max-width: 100%;
  overflow: hidden;
  text-decoration: none;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.br-empty {
  color: var(--br-muted);
  padding: 18px 8px;
  text-align: center;
}

.br-doc-context {
  border-top: 1px solid var(--br-line);
  margin-top: 36px;
  padding-top: 20px;
}

.br-doc-context-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

.br-doc-context h2 {
  font-size: 18px;
  margin: 0 0 10px;
}

.markdown-section .br-video-link a {
  background: #f7faf8;
  border: 1px solid var(--br-line);
  border-radius: 6px;
  color: var(--br-ink);
  display: inline-block;
  padding: 8px 10px;
  text-decoration: none;
}

.markdown-section .br-video-link a:hover {
  border-color: var(--br-accent);
  color: var(--br-accent);
}

@media (max-width: 900px) {
  .br-search-page {
    grid-template-columns: 1fr;
    padding: 12px;
    padding-bottom: 72px;
  }

  .br-search-side {
    background: white;
    border-radius: 0;
    border-width: 1px 0 0;
    bottom: 0;
    left: 0;
    padding: 8px 12px 12px;
    position: fixed;
    right: 0;
    top: auto;
    z-index: 8;
  }

  .br-context-head {
    display: none;
  }

  .br-tabs {
    margin-top: 0;
  }

  .br-tabs button {
    flex: 1;
  }

  .br-search-side [data-br-panel] {
    background: white;
    max-height: 45vh;
    overflow: auto;
    padding-top: 10px;
  }

  .br-doc-context-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .br-search-box {
    align-items: stretch;
    flex-direction: column;
  }

  .br-search-open {
    text-align: center;
  }

  .br-result-title {
    font-size: 16px;
  }
}