.page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  background-color: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(8px);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.header__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: 100%;
  gap: var(--space-lg);
}

.header__brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  white-space: nowrap;
  text-decoration: none;
}

.header__brand-icon {
  width: 28px;
  height: 28px;
  color: var(--color-accent);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  justify-self: end;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
}

.nav__link {
  padding: var(--space-xs) var(--space-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  text-decoration: none;
}

.nav__link:hover {
  color: var(--color-text-primary);
  background-color: var(--color-bg-tertiary);
}

.nav__link--active {
  color: var(--color-accent);
  background-color: var(--color-accent-subtle);
}

.main {
  flex: 1;
  padding: var(--space-2xl) 0;
  padding-bottom: 6.5rem;
  margin-top: var(--header-height);
}

.hero {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.hero__title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-sm);
}

.hero__description {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-lg);
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  align-items: center;
}

.controls__search {
  flex: 1;
  min-width: 250px;
}

.controls__filters {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.repo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-lg);
}

.footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 50;
  padding: var(--space-md) 0;
  border-top: 1px solid var(--color-border);
  background-color: var(--color-bg-primary);
  backdrop-filter: blur(8px);
  text-align: center;
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.footer__copyright {
  text-align: center;
}

.footer__links {
  display: flex;
  gap: var(--space-md);
}

@media (min-width: 769px) {
  .footer__inner {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
  }

  .footer__inner > :first-child {
    justify-self: start;
  }

  .footer__links {
    justify-self: end;
  }
}

.empty-state {
  text-align: center;
  padding: var(--space-3xl) var(--space-lg);
  color: var(--color-text-secondary);
}

.empty-state__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-lg);
  color: var(--color-text-tertiary);
}

.empty-state__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-sm);
}

@media (max-width: 768px) {
  .repo-grid {
    grid-template-columns: 1fr;
  }

  .hero__title {
    font-size: var(--font-size-2xl);
  }

  .controls {
    flex-direction: column;
  }

  .controls__search {
    min-width: 100%;
  }

  .footer__inner {
    grid-template-columns: 1fr;
    text-align: center;
    justify-items: center;
  }

  .nav {
    gap: 0;
  }

  .nav__link {
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--font-size-xs);
  }
}