/* SIDEBAR NAV */
#sidebar {
  position: fixed;
  top: calc(var(--top-h) + var(--mobile-shortcuts-h)); left: 0; bottom: 0;
  width: var(--nav-w);
  background: var(--bg2);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  z-index: 900;
  padding: 20px 0 40px;
  scrollbar-width: thin;
  scrollbar-color: var(--r2) transparent;
}
#sidebar::-webkit-scrollbar { width: 3px; }
#sidebar::-webkit-scrollbar-thumb { background: var(--r2); }

.sidebar-panel-head {
  margin: 0 16px 12px;
  padding: 16px;
  border: 1px solid var(--border2);
  background:
    linear-gradient(180deg, rgba(255,26,26,0.10), rgba(255,26,26,0.02)),
    radial-gradient(circle at top right, rgba(255,26,26,0.14), transparent 45%);
  border-radius: 16px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.22);
}
.sidebar-kicker {
  font-family: var(--display);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--r0);
  margin-bottom: 10px;
}
.sidebar-search {
  display: grid;
  gap: 8px;
}
.sidebar-search span {
  font-family: var(--mono);
  font-size: 0.66rem;
  color: var(--txt3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
#docs-search-input {
  width: 100%;
  border: 1px solid var(--border);
  background: rgba(8, 1, 1, 0.85);
  color: var(--txt);
  padding: 11px 12px;
  border-radius: 12px;
  font: inherit;
}
#docs-search-input:focus {
  outline: none;
  border-color: var(--r0);
  box-shadow: 0 0 0 3px rgba(255, 26, 26, 0.10);
}
.sidebar-search-results {
  display: grid;
  gap: 10px;
  margin-top: 12px;
  max-height: 320px;
  overflow-y: auto;
  padding-right: 2px;
}
.sidebar-note {
  margin-top: 12px;
  color: var(--txt3);
  font-size: 12.5px;
  line-height: 1.55;
  font-weight: 500;
}
.sidebar-tabs {
  margin: 0 16px 14px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}
.sidebar-tab {
  appearance: none;
  border: 1px solid var(--border2);
  border-radius: 10px;
  background: rgba(255, 26, 26, 0.04);
  color: var(--txt2);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 7px 8px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.sidebar-tab:hover,
.sidebar-tab.active {
  border-color: var(--r1);
  color: var(--r0);
  background: rgba(255, 26, 26, 0.12);
}

#sidebar-nav {
  display: grid;
  gap: 14px;
}
.nav-group {
  display: grid;
  gap: 8px;
}

.nav-section-title {
  font-family: var(--display);
  font-size: 0.55rem;
  letter-spacing: 0.18em;
  color: var(--r1);
  text-transform: uppercase;
  padding: 18px 20px 6px;
  opacity: 0.8;
}

#sidebar a.nav-item {
  display: block;
  margin: 0 12px;
  padding: 11px 12px 12px 14px;
  font-family: var(--body);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--txt2);
  border: 1px solid transparent;
  border-left: 3px solid transparent;
  border-radius: 12px;
  transition: all 0.15s;
  letter-spacing: 0.01em;
}
#sidebar a.nav-item:hover,
#sidebar a.nav-item.active {
  color: var(--r0);
  background: linear-gradient(180deg, rgba(255,26,26,0.10), rgba(255,26,26,0.03));
  border-color: var(--border2);
  border-left-color: var(--r0);
  text-decoration: none;
}
.nav-item-main {
  display: grid;
  gap: 3px;
}
.nav-label {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.nav-hint {
  color: var(--txt3);
  font-family: var(--mono);
  font-size: 0.62rem;
  line-height: 1.45;
  font-weight: 600;
}
.nav-page-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 10px;
  padding: 2px 8px;
  border: 1px solid var(--border2);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.06em;
  color: var(--txt3);
  text-transform: uppercase;
}
#sidebar a.nav-item.active .nav-page-tag,
#sidebar a.nav-item:hover .nav-page-tag {
  border-color: var(--border);
  color: var(--r0);
}

#sidebar-backdrop {
  position: fixed;
  inset: calc(var(--top-h) + var(--mobile-shortcuts-h)) 0 0 0;
  background: rgba(0, 0, 0, 0.46);
  border: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 850;
}

.command-result,
.command-result-empty {
  width: 100%;
  text-align: left;
  border-radius: 14px;
  border: 1px solid var(--border2);
  background: rgba(255, 26, 26, 0.04);
  padding: 14px 16px;
}
.command-result {
  appearance: none;
  cursor: pointer;
  color: inherit;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px 12px;
}
.command-result:hover {
  border-color: var(--r0);
  background: rgba(255, 26, 26, 0.08);
}
.command-result-title {
  font-family: var(--display);
  font-size: 0.84rem;
  color: var(--txt);
}
.command-result-meta {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--r0);
}
.command-result-desc,
.command-result-empty {
  color: var(--txt3);
  font-size: 13px;
  line-height: 1.55;
  grid-column: 1 / -1;
  font-weight: 500;
}