:root {
  --fg: #1d1d1f;
  --fg-muted: #6b6b70;
  --bg: #ffffff;
  --bg-soft: #f5f5f7;
  --bg-mute: #ebebf0;
  --border: #d2d2d7;
  --accent: #0071e3;
  --warn: #b8581e;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--fg);
  background: var(--bg);
  font-size: 14px;
  line-height: 1.45;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  gap: 16px;
  align-items: center;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.brand { display: flex; align-items: baseline; gap: 12px; flex: 0 0 auto; }
.brand h1 { font-size: 16px; margin: 0; font-weight: 600; }
.version { color: var(--fg-muted); font-family: var(--mono); font-size: 12px; }

#search {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  background: var(--bg-soft);
}
#search:focus { outline: 2px solid var(--accent); outline-offset: -2px; background: var(--bg); }

.layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: calc(100vh - 57px);
}

.sidebar {
  border-right: 1px solid var(--border);
  padding: 16px 16px 40px;
  overflow-y: auto;
  position: sticky;
  top: 57px;
  height: calc(100vh - 57px);
  background: var(--bg-soft);
}
.sidebar h2 {
  font-size: 11px;
  font-weight: 600;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 20px 0 6px;
}
.sidebar h2:first-child { margin-top: 0; }
.sidebar label {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 3px 0;
  cursor: pointer;
  font-size: 12.5px;
  line-height: 1.35;
  word-break: break-word;
}
.sidebar label input { margin: 2px 0 0; flex: 0 0 auto; }

.tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 8px;
  padding: 3px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.tab {
  flex: 1;
  padding: 5px 8px;
  border: none;
  background: transparent;
  border-radius: 5px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 500;
  color: var(--fg-muted);
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}
.tab:hover { color: var(--fg); }
.tab.active { background: var(--fg); color: var(--bg); }

.facet-list { max-height: 200px; overflow-y: auto; border: 1px solid var(--border); border-radius: 6px; background: var(--bg); padding: 6px 8px; }

.content { padding: 16px 20px 40px; min-width: 0; }
.results-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--fg-muted);
  font-size: 12px;
  margin-bottom: 10px;
}
.linky {
  border: none;
  background: none;
  color: var(--accent);
  cursor: pointer;
  font-size: 12px;
  padding: 0;
}
.linky:hover { text-decoration: underline; }

.results { list-style: none; padding: 0; margin: 0; }
.results li {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 6px;
  cursor: pointer;
  background: var(--bg);
}
.results li:hover { background: var(--bg-soft); border-color: #b5b5bc; }

.row-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}
.row-head .name { font-family: var(--mono); font-weight: 600; font-size: 13.5px; }
.row-head .badge {
  font-size: 10.5px;
  padding: 1px 6px;
  border-radius: 10px;
  background: var(--bg-mute);
  color: var(--fg-muted);
  font-family: var(--mono);
  text-transform: lowercase;
}
.row-head .badge.warn { background: #fce8d9; color: var(--warn); }
.row-head .badge.accent { background: #e0efff; color: var(--accent); }
.row-desc { color: var(--fg-muted); margin-top: 4px; font-size: 13px; }

.detail {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  z-index: 20;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 40px 20px;
  overflow-y: auto;
}
.detail.hidden { display: none; }
.detail-card {
  background: var(--bg);
  border-radius: 10px;
  max-width: 820px;
  width: 100%;
  padding: 24px 28px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}
.detail-card h2 { font-family: var(--mono); font-size: 20px; margin: 0 0 6px; }
.detail-card .subtle { color: var(--fg-muted); font-size: 12px; margin-bottom: 14px; }
.detail-card dl { display: grid; grid-template-columns: 180px 1fr; gap: 6px 16px; margin: 16px 0; }
.detail-card dt { color: var(--fg-muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }
.detail-card dd { margin: 0; font-family: var(--mono); font-size: 13px; word-break: break-word; }
.detail-card dd.prose { font-family: inherit; white-space: pre-wrap; }
.detail-card .close {
  float: right;
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--fg-muted);
}

.empty { padding: 40px 0; text-align: center; color: var(--fg-muted); }

.hidden-section { display: none; }

@media (max-width: 720px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; border-right: none; border-bottom: 1px solid var(--border); }
}