.sidebar {
  background: #101a2b;
  color: #e9f0fb;
  display: flex;
  flex-direction: column;
  height: 100vh;
  max-height: 100vh;
  overflow: hidden;
  padding: 22px 18px;
  position: sticky;
  top: 0;
  z-index: 20;
}
.sidebar-header { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 1.25rem; font-weight: 800; }
.brand-mark {
  color: var(--mercury-gold);
  display: inline-grid;
  flex: 0 0 auto;
  place-items: center;
}
.mercury-symbol {
  font-family: "Segoe UI Symbol", "Noto Sans Symbols 2", sans-serif;
  font-size: 2.35rem;
  font-weight: 400;
  line-height: .9;
}
.login-card .brand { color: var(--ink); }
.sidebar-collapse {
  align-items: center;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 8px;
  color: #d7e2f2;
  cursor: pointer;
  display: inline-flex;
  height: 30px;
  justify-content: center;
  padding: 0;
  width: 30px;
}
.sidebar-collapse:hover { background: rgba(255, 255, 255, .16); color: #fff; }
.nav-toggle { display: none; }
.nav {
  align-content: start;
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  gap: 6px;
  margin-top: 18px;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  padding-bottom: 10px;
}
.nav-section {
  border-radius: 10px;
  display: grid;
  gap: 2px;
  position: relative;
}
.nav a {
  align-items: center;
  border-left: 3px solid transparent;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: #bac8dc;
  display: flex;
  font-size: .9rem;
  gap: 8px;
  line-height: 1.25;
  min-height: 32px;
  padding: 6px 9px;
}
.nav a.active,
.nav a:hover {
  background: rgba(255, 255, 255, .08);
  border-left-color: var(--mercury-gold);
  color: #fff;
}
.nav-icon {
  fill: currentColor;
  flex: 0 0 18px;
  height: 18px;
  opacity: .95;
  width: 18px;
}
.nav-subsections {
  border-left: 1px solid rgba(255, 255, 255, .12);
  display: none;
  gap: 3px;
  margin: 2px 0 6px 27px;
  padding: 2px 0 2px 8px;
}
.nav-section.active .nav-subsections,
.nav-section.subsections-open .nav-subsections {
  display: grid;
}
.nav .nav-sub-link {
  border-left-width: 2px;
  color: #91a2bb;
  font-size: .82rem;
  min-height: 26px;
  padding: 4px 8px;
}
.nav .nav-sub-link.active {
  background: rgba(214, 169, 54, .12);
  border-left-color: var(--mercury-gold);
  color: #fff;
}
.nav-section.active {
  background: rgba(255, 255, 255, .045);
}
.nav-badge {
  background: #2563eb;
  border-radius: 999px;
  color: #fff;
  display: inline-block;
  font-size: .72rem;
  margin-left: 4px;
  min-width: 1.35em;
  padding: 1px 5px;
  text-align: center;
}
.notification-card {
  align-items: flex-start;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  padding: .75rem;
}
.notification-card.unread {
  border-left: 4px solid var(--brand);
}
.sidebar-footer {
  border-top: 1px solid rgba(255, 255, 255, .12);
  display: grid;
  gap: 12px;
  margin-top: auto;
  padding-top: 16px;
}
.status-pill {
  align-items: center;
  color: #c8d5e7;
  display: inline-flex;
  font-size: .88rem;
  gap: 8px;
}
.status-pill span {
  background: var(--good);
  border-radius: 999px;
  box-shadow: 0 0 0 3px rgba(4, 120, 87, .18);
  height: 9px;
  width: 9px;
}
.sidebar-user { color: #e9f0fb; display: grid; gap: 2px; min-width: 0; }
.sidebar-user-compact { display: none; }
.sidebar-user-meta { display: grid; gap: 2px; min-width: 0; }
.sidebar-user-meta span { color: #9fb0c8; font-size: .88rem; }
.utility-nav { display: flex; flex-wrap: wrap; gap: 8px; }
.utility-nav a {
  align-items: center;
  background: rgba(255, 255, 255, .08);
  border-radius: var(--radius-sm);
  color: #d7e2f2;
  display: inline-flex;
  font-size: .9rem;
  gap: 7px;
  padding: 6px 8px;
}
.utility-nav a.active,
.utility-nav a:hover { background: rgba(255, 255, 255, .16); color: #fff; }
.sidebar-logout { margin: 0; }
.sidebar-logout button { padding: 7px 10px; }
.layout.sidebar-collapsed .sidebar { align-items: center; padding-left: 10px; padding-right: 10px; }
.layout.sidebar-collapsed .brand-label,
.layout.sidebar-collapsed .nav-label,
.layout.sidebar-collapsed .sidebar-user-meta,
.layout.sidebar-collapsed .status-pill,
.layout.sidebar-collapsed .utility-nav .nav-label {
  display: none;
}
.layout.sidebar-collapsed .sidebar-header { flex-direction: column; }
.layout.sidebar-collapsed .sidebar-collapse span { transform: rotate(180deg); }
.layout.sidebar-collapsed .nav { align-items: stretch; width: 100%; }
.layout.sidebar-collapsed .nav a {
  border-left-width: 0;
  border-radius: 10px;
  justify-content: center;
  padding: 8px;
}
.layout.sidebar-collapsed .nav-subsections { display: none !important; }
.layout.sidebar-collapsed .nav-main-link.active {
  box-shadow: inset 0 0 0 1px rgba(214, 169, 54, .38);
}
.layout.sidebar-collapsed .utility-nav { justify-content: center; }
.layout.sidebar-collapsed .utility-nav a { padding: 8px; }
.layout.sidebar-collapsed .sidebar-footer {
  align-items: center;
  gap: 8px;
  justify-items: center;
  width: 100%;
}
.layout.sidebar-collapsed .sidebar-user-compact {
  color: #e9f0fb;
  display: block;
  font-size: .72rem;
  font-weight: 800;
  max-width: 3.1rem;
  overflow: hidden;
  text-align: center;
  text-overflow: ellipsis;
  text-transform: lowercase;
  white-space: nowrap;
}
.layout.sidebar-collapsed .utility-nav {
  display: grid;
  gap: 8px;
  grid-template-columns: 1fr;
  justify-items: center;
}
.layout.sidebar-collapsed .utility-nav a,
.layout.sidebar-collapsed .sidebar-logout button {
  align-items: center;
  display: inline-flex;
  height: 36px;
  justify-content: center;
  min-width: 36px;
  padding: 8px;
  width: 36px;
}
.layout.sidebar-collapsed .sidebar-logout .nav-label { display: none; }
.breadcrumbs {
  background: #f8fafc;
  border-bottom: 1px solid var(--line);
  padding: 9px 28px;
}
.breadcrumbs ol {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.breadcrumbs li {
  align-items: center;
  color: var(--muted);
  display: inline-flex;
  font-size: .86rem;
  gap: 6px;
}
.breadcrumbs li + li::before {
  color: #94a3b8;
  content: "/";
}
.breadcrumbs a { color: #475569; }
.breadcrumbs [aria-current="page"] {
  color: var(--ink);
  font-weight: 700;
}