:root {
  --md-default-bg-color: #f7f8fa;
  --md-default-fg-color: #1f2933;
  --md-accent-bg-color: #2563eb;
  --md-accent-fg-color: #ffffff;
}

.md-header {
  backdrop-filter: blur(12px);
  background: rgba(22, 30, 46, 0.82);
}

.md-tabs {
  background: transparent;
}

.md-nav__item {
  border-radius: 6px;
}

.md-nav__item--active > .md-nav__link {
  font-weight: 600;
}

.md-sidebar--primary {
  border-right: 1px solid rgba(31, 41, 51, 0.08);
}

.md-content {
  font-size: 0.98rem;
  line-height: 1.8;
}

.md-typeset h1,
.md-typeset h2,
.md-typeset h3 {
  font-weight: 600;
  letter-spacing: 0.02em;
}

.md-footer {
  background: #111827;
}

@media screen and (max-width: 768px) {
  .md-header__title {
    font-size: 1.1rem;
    font-weight: 600;
  }

  .md-typeset {
    font-size: 0.96rem;
  }

  .md-nav--primary .md-nav__item {
    margin-bottom: 0.35rem;
  }

  .md-nav__link {
    padding: 0.4rem 0.6rem;
  }

  .md-content {
    padding: 0.8rem;
  }
}