/* Client Service Styles - BEM Methodology */

@layer home {
  /* Block: home (page-specific) */
  .home {
    background: var(--bg-page);
    min-height: 100vh;
  }

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

  .home__main {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    max-width: 1024px;
    width: 100%;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-xl) var(--spacing-xl);
  }
  @media (max-width: 767px) {
    .home__main {
      padding: var(--spacing-md) var(--spacing-md) var(--spacing-xl);
    }
  }

  .home__nav {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    padding-bottom: 2rem;
  }
  @media (max-width: 767px) {
    .home__nav {
      grid-template-columns: 1fr;
      gap: var(--spacing-md);
    }
  }

  .home__nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: var(--bg-color);
    border-radius: var(--radius-card);
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid var(--border-lighter);
    box-shadow: var(--shadow-sm);
  }
  @media (max-width: 767px) {
    .home__nav-item {
      padding: var(--spacing-lg);
      gap: var(--spacing-md);
    }
  }

  .home__nav-item:hover {
    background: var(--bg-light-blue);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
  }

  .home__nav-item:active {
    transform: translateY(0);
  }

  .home__nav-icon {
    flex-shrink: 0;
    font-size: 3rem;
    color: var(--primary-color);
    transition: color 0.3s ease;
  }
  @media (max-width: 767px) {
    .home__nav-icon {
      font-size: 2.5rem;
    }
  }

  .home__nav-item:hover .home__nav-icon {
    color: var(--accent-orange);
  }

  .home__nav-title {
    font-size: 1.25rem;
    font-weight: var(--font-weight-medium);
    color: var(--primary-dark);
    margin: 0 0 var(--spacing-sm) 0;
  }
  @media (max-width: 767px) {
    .home__nav-title {
      font-size: 1.125rem;
    }
  }

  .home__nav-description {
    font-size: 0.875rem;
    color: var(--text-color-light);
    line-height: 1.5;
    margin: 0;
  }

  /* Block: header (reusable) */
  .header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--primary-dark);
    padding: var(--spacing-md) var(--spacing-xl);
  }
  @media (max-width: 767px) {
    .header {
      padding: var(--spacing-md);
    }
  }

  .header__branding {
    color: var(--text-color-white);
  }

  .header__title {
    margin: 0;
    font-size: 1.5rem;
    font-weight: var(--font-weight-light);
  }
  @media (max-width: 767px) {
    .header__title {
      font-size: 1.25rem;
    }
  }

  .header__title a {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--text-color-white);
    text-decoration: none;
  }

  .header__logo {
    width: 2rem;
    height: 2rem;
    transform: rotate(45deg);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3))
      drop-shadow(0 0 8px rgba(1, 173, 221, 0.4))
      drop-shadow(0 0 16px rgba(1, 173, 221, 0.2));
    transition:
      filter 0.3s ease,
      transform 0.3s ease;
  }

  .header__title a:hover .header__logo {
    transform: rotate(45deg) scale(1.1);
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.4))
      drop-shadow(0 0 12px rgba(1, 173, 221, 0.6))
      drop-shadow(0 0 24px rgba(1, 173, 221, 0.4));
  }
  @media (max-width: 767px) {
    .header__logo {
      width: 1.75rem;
      height: 1.75rem;
      transform: rotate(45deg);
      filter: drop-shadow(0 2px 3px rgba(0, 0, 0, 0.3))
        drop-shadow(0 0 6px rgba(1, 173, 221, 0.4))
        drop-shadow(0 0 12px rgba(1, 173, 221, 0.2));
      transition:
        filter 0.3s ease,
        transform 0.3s ease;
    }

    .header__title a:hover .header__logo {
      transform: rotate(45deg) scale(1.1);
    }
  }

  .header__nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 0.875rem;
  }
  @media (max-width: 767px) {
    .header__nav {
      font-size: 0.75rem;
      gap: var(--spacing-sm);
    }
  }

  .header__username {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-color-white);
    letter-spacing: 0.03rem;
  }

  .header__link {
    position: relative;
    display: flex;
    align-items: center;
    padding-left: var(--spacing-md);
    padding-right: 0;
    color: var(--text-color-light-bg);
    text-decoration: none;
    transition: color 0.2s ease;
  }
  @media (max-width: 767px) {
    .header__link {
      padding-left: var(--spacing-sm);
    }
  }

  .header__link::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 0.875rem;
    background-color: var(--text-color-light-bg);
    opacity: 0.4;
  }

  .header__link:hover {
    color: var(--accent-orange);
  }

  .header__nav .icon {
    position: relative;
    font-size: 1.12rem;
    top: -0.02rem;
  }

  /* Block: breadcrumbs (reusable) */
  .breadcrumbs {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-xl);
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-lighter);
    font-size: 0.875rem;
    line-height: 1.4;
  }
  @media (max-width: 767px) {
    .breadcrumbs {
      padding: var(--spacing-sm) var(--spacing-md);
    }
  }

  .breadcrumbs__link {
    color: var(--link-color);
    text-decoration: none;
    vertical-align: middle;
  }

  .breadcrumbs__link:hover {
    text-decoration: underline;
  }

  /* Element: Separator */
  .breadcrumbs__separator {
    color: var(--text-color-light);
    user-select: none;
  }

  /* Element: Current page (truncates when too long) */
  .breadcrumbs__current {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
  }

  /* Modifier: Icon link (home icon) */
  .breadcrumbs__link_icon {
    font-family: bi-client-service-icons;
    font-size: 1.5rem;
    vertical-align: text-bottom;
    display: inline-block;
    line-height: 1;
    position: relative;
    bottom: 1.25px;
  }

  /* Block: footer (reusable) */
  .footer {
    margin-top: auto;
    background-color: #041420;
    color: rgba(141, 140, 140, 0.85);
    font-size: 0.875rem;
    font-weight: var(--font-weight-light);
  }

  .footer__copy {
    background-color: #000;
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
    color: rgba(141, 140, 140, 0.86);
    font-size: 0.75rem;
  }
  @media (max-width: 767px) {
    .footer__copy {
      font-size: 0.6875rem;
      padding: var(--spacing-lg) var(--spacing-sm);
    }
  }

  .footer__link {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s ease;
    margin: 0 var(--spacing-sm);
  }
  @media (max-width: 767px) {
    .footer__link {
      display: inline-block;
      margin: var(--spacing-xs) var(--spacing-sm);
    }
  }

  .footer__link:hover {
    color: var(--primary-light);
    text-decoration: underline;
  }

  /* Block: icon (reusable icon system) */
  .icon {
    font-family: bi-client-service-icons;
    font-style: normal;
    font-weight: normal;
    font-variant: normal;
    text-transform: none;
    line-height: 1;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  .icon--cloud-download::before {
    content: var(--icon-cloud-download);
  }

  .icon--service-support::before {
    content: var(--icon-service-support);
  }

  .icon--lock-reset {
    margin-right: var(--spacing-xs);
  }

  .icon--lock-reset::before {
    content: var(--icon-lock-reset);
  }

  .icon--logout {
    margin-right: var(--spacing-xs);
  }

  .icon--logout::before {
    content: var(--icon-logout);
  }

  .icon--account-circle::before {
    content: var(--icon-account-circle);
  }

  .icon--arrow-outward::before {
    content: var(--icon-arrow-outward);
  }

  /* Element: Site link (back to main site) */
  .header__site-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-left: auto;
    margin-right: var(--spacing-lg);
    padding: var(--spacing-xs) var(--spacing-sm);
    color: var(--text-color-light-bg);
    font-size: 0.8125rem;
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: var(--radius-sm);
    transition:
      color 0.2s ease,
      border-color 0.2s ease,
      background-color 0.2s ease;
  }
  @media (max-width: 550px) {
    .header__site-link {
      display: none;
    }
  }

  .header__site-link:hover {
    color: var(--text-color-white);
    border-color: rgba(255, 255, 255, 0.5);
    background-color: rgba(255, 255, 255, 0.1);
  }

  .header__site-link .icon {
    font-size: 0.875rem;
  }

  /* ============================================================================
     MOBILE BURGER MENU
     Note: Can be extracted to separate file (bis-mobile-menu.css) later
     ============================================================================ */

  /* ---------- Burger Button ---------- */

  .header__burger {
    display: none; /* Hidden by default, shown at ≤550px */
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: transparent;
    border: none;
    color: var(--text-color-white);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.2s ease;
    padding: 0;
  }

  .header__burger:hover {
    color: var(--accent-orange);
  }

  .header__burger:focus-visible {
    outline: 2px solid var(--accent-orange);
    outline-offset: 2px;
  }

  .icon--burger-menu::before {
    content: var(--icon-burger-menu);
  }

  .icon--mobile-logo::before {
    content: var(--icon-mobile-logo);
  }

  /* ---------- Mobile Menu Overlay ---------- */

  .mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition:
      opacity 0.3s ease,
      visibility 0.3s ease;
  }

  .mobile-menu-overlay_active {
    opacity: 1;
    visibility: visible;
  }

  /* ---------- Mobile Menu Panel ---------- */

  .mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    background-color: #363636;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
    overscroll-behavior: contain;
  }
  @media (min-width: 400px) {
    .mobile-menu {
      width: 320px;
    }
  }

  .mobile-menu_active {
    transform: translateX(0);
  }

  /* ---------- Menu Header ---------- */

  .mobile-menu__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4.5rem;
    padding: 0 0.75rem 0 var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  }

  .mobile-menu__logo {
    font-size: 2.625rem;
    color: var(--text-color-white);
  }

  /* ---------- Close Button ---------- */

  .mobile-menu__close {
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--text-color-white);
    cursor: pointer;
    transition: color 0.2s ease;
    padding: 0;
  }

  .mobile-menu__close:hover {
    color: var(--accent-orange);
  }

  .mobile-menu__close:focus-visible {
    outline: 2px solid var(--accent-orange);
    outline-offset: 2px;
  }

  .mobile-menu__close-icon {
    font-size: 2rem;
    line-height: 1;
    font-weight: var(--font-weight-light);
  }

  /* ---------- Menu Content ---------- */

  .mobile-menu__content {
    padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-xl) 0.8rem;
  }

  /* ---------- Navigation List ---------- */

  .mobile-menu__list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .mobile-menu__item {
    margin: 0;
  }

  .mobile-menu__separator {
    height: 1px;
    background-color: rgba(255, 255, 255, 0.15);
    list-style: none;
  }

  .mobile-menu__link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-color-white);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition:
      background-color 0.2s ease,
      color 0.2s ease;
    font-size: 1rem;
    font-weight: var(--font-weight-normal);
  }

  .mobile-menu__link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--accent-orange);
  }

  .mobile-menu__link:active {
    background-color: rgba(255, 255, 255, 0.15);
  }

  .mobile-menu__link .icon {
    font-size: 1.25rem;
    transition: color 0.2s ease;
  }

  .mobile-menu__link:hover .icon {
    color: var(--accent-orange);
  }

  .mobile-menu__link_active {
    background-color: rgba(255, 255, 255, 0.15);
    color: var(--accent-orange);
  }

  .mobile-menu__link_active .icon {
    color: var(--accent-orange);
  }

  /* ---------- Responsive Behavior ---------- */

  /* Hide burger and mobile menu on desktop */
  @media (min-width: 551px) {
    .header__burger,
    .mobile-menu,
    .mobile-menu-overlay {
      display: none;
    }
  }

  /* Show burger, hide desktop nav on mobile */
  @media (max-width: 550px) {
    .header__burger {
      display: flex;
    }

    .header__nav_desktop {
      display: none;
    }
  }

  /* ---------- Accessibility - Reduced Motion ---------- */

  @media (prefers-reduced-motion: reduce) {
    .mobile-menu,
    .mobile-menu-overlay {
      transition-duration: 0.01ms;
    }
  }

  /* ---------- Lobotomized Owl for Menu Content ---------- */

  .mobile-menu__content > * + * {
    margin-top: var(--spacing-lg);
  }

  .mobile-menu__list > * + * {
    margin-top: 0; /* Reset owl, gap handles spacing */
  }
}