@layer site;

@layer site {
  .site-shell {
    width: var(--shell-width);
    max-width: var(--shell-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
  }

  @media (max-width: 48em) {
    .site-shell {
      width: 100%;
      padding: 0 var(--space-xs);
    }
  }

  .footer {
    padding: var(--space-2xl) 0;
    flex-grow: 0;
    opacity: 0.8;
  }

  .footer__inner {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
  }

  .copyright {
    color: var(--foreground);
    font-size: var(--text-base);
    text-align: center;
  }

  .copyright a {
    color: var(--accent);
  }

  .layout-alerts {
    width: var(--content-width);
    max-width: var(--content-max);
    margin: 0 auto;
    padding: 0 var(--space-sm);
  }

  @media (max-width: 48em) {
    .layout-alerts {
      width: 100%;
      padding: 0;
    }
  }

  .header {
    display: flex;
    flex-direction: column;
    position: relative;
    margin-bottom: var(--space-md);
  }

  .header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: var(--space-md) 0 0 0;
    min-height: 2.375rem;
  }

  .header__logo {
    display: flex;
    flex: 1;
    min-height: 2.375rem;
    align-items: center;
  }

  .header__logo::after {
    content: "";
    background: repeating-linear-gradient(90deg, var(--accent), var(--accent) var(--border-thick), transparent 0, transparent 0.625rem);
    display: block;
    width: 100%;
    height: 2.375rem;
    right: 0.625rem;
  }

  .header__logo a {
    flex: 0 0 auto;
    max-width: 100%;
    text-decoration: none;
  }

  .logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    background: var(--accent);
    color: var(--background);
    font-weight: bold;
    padding: 0.3125rem 0.625rem;
    flex: 0 0 auto;
    max-width: 100%;
    height: 2.375rem;
    box-sizing: border-box;
  }

  .navigation-menu {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin: var(--space-md) 1px;
    min-height: 1.5rem;
  }

  .navigation-menu__inner {
    display: flex;
    flex: 1;
    flex-wrap: wrap;
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .navigation-menu__inner > li {
    flex: 0 0 auto;
    margin-bottom: 0.625rem;
    white-space: nowrap;
  }

  .navigation-menu__inner > li:not(:last-of-type) {
    margin-right: var(--space-md);
  }

  .navigation-menu__inner a {
    display: block;
    color: var(--accent);
    text-decoration: none;
  }

  .navigation-menu__inner a:hover {
    color: var(--foreground);
  }

  .mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.3125rem;
    width: 1.875rem;
    height: 1.5rem;
    justify-content: space-between;
    position: relative;
  }

  .hamburger-line {
    display: block;
    width: 100%;
    height: var(--border-thick);
    background-color: var(--accent);
    flex-shrink: 0;
  }

  .mobile-menu-toggle.active .hamburger-line {
    position: absolute;
    top: 50%;
    left: 0.3125rem;
    right: 0.3125rem;
    width: auto;
  }

  .mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: translateY(-50%) rotate(45deg);
  }

  .mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
  }

  .mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: translateY(-50%) rotate(-45deg);
  }

  .menu {
    position: relative;
  }

  .menu__trigger {
    color: var(--accent);
    user-select: none;
    cursor: pointer;
  }

  .menu__dropdown {
    display: none;
    flex-direction: column;
    position: absolute;
    background: var(--background);
    box-shadow: 0 0.625rem var(--background), -0.625rem 0.625rem var(--background), 0.625rem 0.625rem var(--background);
    color: var(--accent);
    border: var(--border-thick) solid var(--accent);
    margin: 0;
    padding: 0.625rem;
    top: 0.625rem;
    left: 0;
    list-style: none;
    z-index: var(--z-dropdown);
  }

  .menu.open .menu__dropdown {
    display: flex;
  }

  .menu__dropdown > li {
    flex: 0 0 auto;
  }

  .menu__dropdown > li:not(:last-of-type) {
    margin-bottom: 0.625rem;
  }

  .menu__dropdown > li a {
    display: flex;
    padding: 0.3125rem;
    color: var(--accent);
    text-decoration: none;
  }

  .menu__dropdown > li a:hover {
    color: var(--foreground);
  }

  @media (max-width: 48em) {
    .header__inner {
      gap: 0.625rem;
    }

    .header__logo {
      flex: 1;
      min-width: 0;
      overflow: hidden;
    }

    .mobile-menu-toggle {
      display: flex;
      flex-shrink: 0;
    }

    .navigation-menu {
      display: none;
      width: 100%;
      position: absolute;
      top: 100%;
      left: 0;
      background: var(--background);
      border: var(--border-thin) solid var(--accent);
      border-top: none;
      z-index: var(--z-modal);
      transition: all 0.3s ease;
    }

    .navigation-menu.mobile-open {
      display: block;
    }

    .navigation-menu__inner {
      flex-direction: column;
      padding: var(--space-sm);
    }

    .navigation-menu__inner li {
      margin: 0;
      width: 100%;
    }

    .navigation-menu__inner li:not(:last-child) {
      margin-bottom: var(--space-sm);
      margin-right: 0;
    }

    .navigation-menu__inner a {
      padding: var(--space-2xs) 0;
      border-bottom: var(--border-thin) solid rgba(238, 195, 94, 0.2);
    }

    .navigation-menu__inner li:last-child a {
      border-bottom: none;
    }
  }

  h1:focus {
    outline: none;
  }

  #blazor-error-ui {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    box-sizing: border-box;
    padding: 0.6rem 3rem 0.7rem var(--space-md);
    background: var(--background);
    color: var(--text-primary);
    border-top: var(--border-thick) solid var(--error);
    box-shadow: 0 -0.0625rem 0.125rem rgba(0, 0, 0, 0.2);
    z-index: var(--z-modal);
  }

  #blazor-error-ui .reload {
    margin-left: var(--space-2xs);
  }

  #blazor-error-ui .dismiss {
    position: absolute;
    right: var(--space-xs);
    top: var(--space-2xs);
    cursor: pointer;
    color: var(--error);
  }
}

@layer site {
  .nav-progress {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 0.1875rem;
    z-index: var(--z-modal);
    opacity: 0;
    overflow: hidden;
    pointer-events: none;
    transition: opacity 0.15s ease;
  }

  .nav-progress::before {
    content: "";
    position: absolute;
    top: 0;
    left: -40%;
    height: 100%;
    width: 40%;
    background: var(--accent);
  }

  html.nav-busy .nav-progress {
    opacity: 1;
  }

  html.nav-busy .nav-progress::before {
    animation: nav-progress-slide 1.1s ease-in-out infinite;
  }

  @keyframes nav-progress-slide {
    0% {
      left: -40%;
    }

    100% {
      left: 100%;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    html.nav-busy .nav-progress::before {
      animation: none;
      left: 0;
      width: 100%;
      opacity: 0.6;
    }
  }
}

@layer site {
  .mermaid {
    overflow-x: auto;
    margin: var(--space-md) 0;
  }

  .mermaid svg {
    display: block;
    margin: 0 auto;
  }

  .formula {
    display: grid;
    grid-template-columns: max-content max-content 1fr;
    gap: var(--space-2xs) var(--space-xs);
    margin: var(--space-md) 0;
    padding: var(--space-sm);
    border-radius: var(--radius);
    background: var(--bg-primary);
    font-family: var(--font-mono);
  }

  @media (max-width: 48em) {
    .formula {
      grid-template-columns: max-content 1fr;
    }

    .formula > :nth-child(3n + 1) {
      grid-column: 1 / -1;
    }
  }
}