body.has-sidebar {
  padding-left: 248px;
}

.site-sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 30;
  width: 248px;
  padding: 22px 16px;
  border-right: 1px solid rgba(12, 29, 80, 0.12);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 10px 0 30px rgba(20, 38, 83, 0.08);
  backdrop-filter: blur(14px);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 8px 24px;
  color: #071231;
  text-decoration: none;
  font-weight: 800;
  font-size: 21px;
  line-height: 1.05;
}

.sidebar-mark {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 58px;
  height: 38px;
  border-radius: 8px;
  background: linear-gradient(135deg, #009dff 0%, #1939ff 58%, #5518d8 100%);
  color: #fff;
  font-size: 22px;
  font-weight: 900;
  line-height: 1;
}

.sidebar-brand small {
  display: block;
  margin-top: 5px;
  color: #42516f;
  font-size: 14px;
  font-weight: 500;
}

.sidebar-section {
  margin: 8px 0 18px;
}

.sidebar-label {
  margin: 0 8px 8px;
  color: #6a7692;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.sidebar-title {
  margin: 10px 8px 12px;
  color: #071231;
  font-size: 18px;
  line-height: 1.25;
  font-weight: 850;
  letter-spacing: 0;
}

.sidebar-nav {
  display: grid;
  gap: 4px;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  min-height: 42px;
  padding: 0 12px;
  border-radius: 8px;
  color: #253350;
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
}

.sidebar-nav a:hover,
.sidebar-nav a[aria-current="page"] {
  background: #eaf0ff;
  color: #183bff;
}

.sidebar-single {
  padding-top: 8px;
}

.sidebar-single a {
  min-height: 52px;
  line-height: 1.35;
}

.sidebar-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  margin: 14px 8px 0;
  border-radius: 8px;
  background: #183bff;
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  font-weight: 800;
  box-shadow: 0 10px 22px rgba(24, 59, 255, 0.18);
}

@media (max-width: 860px) {
  body.has-sidebar {
    padding-left: 0;
  }

  .site-sidebar {
    position: sticky;
    top: 0;
    width: 100%;
    padding: 12px;
    border-right: 0;
    border-bottom: 1px solid rgba(12, 29, 80, 0.12);
    box-shadow: 0 10px 26px rgba(20, 38, 83, 0.08);
  }

  .sidebar-brand {
    padding: 4px 4px 10px;
  }

  .sidebar-section {
    margin: 6px 0 8px;
  }

  .sidebar-label,
  .sidebar-cta {
    display: none;
  }

  .sidebar-title {
    margin: 2px 4px 8px;
    font-size: 16px;
  }

  .sidebar-nav {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .sidebar-nav a {
    flex: 0 0 auto;
    min-height: 38px;
    white-space: nowrap;
  }
}