:root{
  --bg: #0b0d10;
  --panel: #10141a;
  --panel2: #0f1318;
  --text: #e6e6e6;
  --muted: #a8b3c2;
  --border: #222b36;
  --accent: #66a3ff;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  font-size: 18px;
  background: var(--bg);
  color: var(--text);
}

.topbar{
  height: 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 0 14px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

.brand{ font-weight: 600; }
.topbar-link {
  font-weight: normal;
  font-size: 16px;
  margin-left: 25px;
  color: var(--accent);
  text-decoration: none;
  vertical-align: middle;
}
a.topbar-link:hover { text-decoration: underline; }

.topnav{ display:flex; align-items:center; gap:10px; color: var(--muted); }
.navlink{ color: var(--accent); text-decoration:none; }
.navlink:hover{ text-decoration:underline; }
.sep{ opacity:.6; }
.navlabel{ font-size: 15px; }
#schemeSelect{
  background: var(--panel2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 4px 8px;
  border-radius: 6px;
}

.search-input {
  background: var(--panel2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 4px 8px;
  border-radius: 6px;
  width: 200px;
  font-family: inherit;
}
.search-input:focus {
  outline: 1px solid var(--accent);
  border-color: var(--accent);
}

.layout{
  height: calc(100% - 48px);
  display:grid;
  grid-template-columns: 400px 1fr;
}

.sidenav{
  border-right: 1px solid var(--border);
  background: var(--panel2);
  padding: 12px;
  overflow:auto;
}

.panelTitle{ font-weight: 600; margin-bottom: 6px; }
.hint{ font-size: 14px; color: var(--muted); margin-bottom: 10px; }

.mainpane{
  padding: 14px;
  overflow:auto;
}

.tree .row{
  display:flex;
  align-items:center;
  gap: 6px;
  padding: 3px 2px;
  border-radius: 6px;
}
.tree .row:hover{ background: rgba(255,255,255,0.04); }
.tree .row.selected{ background: rgba(102,163,255,0.18); }

.toggleArrow{
  width: 26px;
  height: 26px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  user-select:none;
  color: var(--muted);
  font-size: 1.3rem;
}
.title{
  cursor:pointer;
  user-select:none;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.indent{ margin-left: 18px; }

.content .block{
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  margin-bottom: 10px;
}

.content a{ color: var(--accent); text-decoration:none; }
.content a:hover{ text-decoration:underline; }

.content ul {
  list-style: none;
  padding: 0;
  margin: 8px 0 0 12px;
}
.content li {
  margin-bottom: 4px;
}

.small{ font-size: 14px; color: var(--muted); }