/* Darker top header */
.md-header {
  background-color: #0b1220 !important;
  border-bottom: 1px solid rgba(0,163,181,0.35);
}

/* Navigation tabs */
.md-tabs {
  background-color: #0b1220 !important;
  border-bottom: 1px solid rgba(0,163,181,0.25);
}

/* Active tab highlight */
.md-tabs__link--active {
  color: #00a3b5 !important;
}

/* Search bar */
.md-search__form {
  background: #111a2e;
}

/* Remove right Table of Contents sidebar */
.md-sidebar--secondary {
  display: none !important;
}

/* Hide logo + site title in header */
.md-header__title,
.md-header__button.md-logo {
  display: none !important;
}

/* Optional: shift search to the left since title is gone */
.md-header__inner {
  justify-content: flex-end;
}

/* Remove layout spacing reserved for sidebar */
body[data-md-url="index"] .md-main__inner {
  margin-left: 0;
  max-width: 1800px;
}