/**
 * @file
 * RheumNow custom header (header-rn) — two-tier layout.
 *
 * Primary bar (#1585fe): logo · search · profile
 * Submenu bar (white):    nav links · RN Live — hides on scroll down (desktop)
 *
 * Scoped under .rn-header; loaded via rheumnow_theme/rn-header (weight 1000).
 */

/* ==========================================================================
   Tokens
   ========================================================================== */
.rn-header {
  --rn-c-bg: #1585fe;
  --rn-c-accent: #1585fe;
  --rn-c-bar-accent: #fff;
  --rn-c-accent-soft: rgba(21, 133, 254, 0.12);
  --rn-c-bar-accent-soft: rgba(255, 255, 255, 0.14);
  --rn-c-text: #fff;
  --rn-c-text-dim: rgba(255, 255, 255, 0.88);
  --rn-c-submenu-bg: #fff;
  --rn-c-submenu-text: #26272b;
  --rn-c-submenu-text-dim: #4a4f55;
  --rn-c-panel-bg: #fff;
  --rn-c-panel-text: #26272b;
  --rn-c-panel-muted: #6b7075;
  --rn-c-border: #e6e8ec;
  --rn-primary-h: 64px;
  --rn-primary-h-compact: 52px;
  --rn-logo-h: 45px;
  --rn-logo-h-compact: 30px;
  --rn-submenu-h: 44px;
  --rn-radius: 8px;
  --rn-shadow: 0 12px 28px rgba(15, 12, 45, 0.18);
  --rn-container: 1221px;

  position: sticky;
  top: var(--drupal-displace-offset-top, 0px);
  z-index: 501;
  font-family: Roboto, "Helvetica Neue", Arial, sans-serif;
}

@media (min-width: 993px) {
  .rn-header {
    --rn-primary-h: 68px;
    --rn-logo-h: 48px;
    --rn-logo-h-compact: 32px;
  }
}

.rn-header--compact {
  --rn-primary-h: var(--rn-primary-h-compact);
  --rn-logo-h: var(--rn-logo-h-compact);
}

/* ==========================================================================
   Primary bar
   ========================================================================== */
.rn-header__primary {
  background: var(--rn-c-bg);
  color: var(--rn-c-text);
  box-shadow: 0 2px 10px rgba(21, 133, 254, 0.35);
}

.rn-header__primary-inner {
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: var(--rn-container);
  margin: 0 auto;
  padding: 0 15px;
  height: var(--rn-primary-h);
  transition: height 0.32s ease;
}

.rn-header__primary-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 0 0 auto;
}

/* Search + text links in the primary bar. */
.rn-header__primary-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 4px;
  border: none;
  border-radius: 0;
  background: none;
  color: var(--rn-c-text-dim);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: color 0.2s ease;
}

.rn-header__primary-link:hover,
.rn-header__primary-link:focus-visible {
  color: var(--rn-c-text);
  outline: none;
}

.rn-header__primary-link i {
  font-size: 15px;
}

@media (max-width: 992px) {
  .rn-search-trigger__label {
    display: none;
  }

  .rn-header__primary-link {
    padding: 8px;
    font-size: 16px;
    color: var(--rn-c-text);
  }
}

/* ==========================================================================
   Submenu bar
   ========================================================================== */
.rn-header__submenu {
  background: var(--rn-c-submenu-bg);
  border-bottom: 1px solid var(--rn-c-border);
  position: relative;
  z-index: 1;
  transition: max-height 0.32s ease, opacity 0.28s ease, border-color 0.28s ease;
  max-height: var(--rn-submenu-h);
  overflow: visible;
}

.rn-header__submenu-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: var(--rn-container);
  margin: 0 auto;
  padding: 0 15px;
  height: var(--rn-submenu-h);
}

/* Slide submenu away on scroll down (desktop only). */
@media (min-width: 993px) {
  .rn-header--submenu-hidden .rn-header__submenu {
    max-height: 0;
    opacity: 0;
    border-bottom-color: transparent;
    pointer-events: none;
    overflow: hidden;
  }
}

@media (max-width: 992px) {
  .rn-header__submenu {
    height: 0;
    max-height: none;
    border: none;
    background: transparent;
    overflow: visible;
  }

  .rn-header__submenu-inner {
    height: 0;
    padding: 0;
    overflow: visible;
  }

  .rn-header__live {
    display: none;
  }
}

/* Neutralize legacy mobile body offsets that compensated for the old
   position:fixed sticky-wrapper (custom.css sets padding-top 42/55px). */
@media (max-width: 992px) {
  body:has(#header.rn-header) {
    padding-top: 0 !important;
  }

  /* Backdrop (z-index 550) is a sibling after submenu (z-index 1), so it
     covers the fixed drawer and eats all pointer events. Lift header chrome
     above the backdrop while the drawer is open. */
  body.rn-nav-open .rn-header__primary,
  body.rn-nav-open .rn-header__submenu {
    position: relative;
    z-index: 560;
  }
}

/* Body scroll lock while the drawer is open. */
body.rn-nav-open {
  overflow: hidden;
}

/* ==========================================================================
   Brand
   ========================================================================== */
.rn-header__brand {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  min-width: 0;
}

.rn-header__brand .block {
  margin: 0;
  padding: 0;
}

.rn-header__brand .site-branding-logo {
  display: block;
  line-height: 0;
}

.rn-header__brand .site-branding-logo img {
  display: block;
  height: var(--rn-logo-h);
  width: auto;
  transition: height 0.32s ease;
}

/* ==========================================================================
   Hamburger (mobile only)
   ========================================================================== */
.rn-header__hamburger {
  display: none;
}

@media (max-width: 992px) {
  .rn-header__hamburger {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 9px;
    margin-left: -9px;
    background: transparent;
    border: none;
    cursor: pointer;
  }

  .rn-header__hamburger-bar {
    display: block;
    height: 2px;
    width: 22px;
    background: var(--rn-c-text);
    border-radius: 2px;
  }
}

/* ==========================================================================
   Navigation container
   Base = mobile drawer. Desktop = inline flex bar.
   ========================================================================== */
.rn-header__nav {
  position: fixed;
  top: var(--rn-primary-h);
  left: 0;
  bottom: 0;
  z-index: 600;
  width: min(330px, 88vw);
  background: var(--rn-c-panel-bg);
  color: var(--rn-c-panel-text);
  transform: translateX(-105%);
  transition: transform 0.28s ease;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  box-shadow: var(--rn-shadow);
}

.rn-header__nav.is-open {
  transform: translateX(0);
}

.rn-header__nav-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--rn-c-border);
}

.rn-header__nav-title {
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--rn-c-panel-muted);
}

.rn-header__nav-close {
  background: none;
  border: none;
  font-size: 18px;
  color: var(--rn-c-panel-muted);
  cursor: pointer;
  padding: 4px 6px;
  line-height: 1;
}

/* Menu block wrapper (nav / .block-content) — keep out of the layout. */
.rn-header__nav .block-menu {
  margin: 0;
  padding: 0;
}

@media (min-width: 993px) {
  .rn-header__nav {
    position: static;
    flex: 1 1 auto;
    min-width: 0;
    width: auto;
    background: transparent;
    color: inherit;
    transform: none;
    transition: none;
    overflow: visible;
    box-shadow: none;
    display: flex;
    align-items: center;
    height: 100%;
  }

  .rn-header__nav-head {
    display: none;
  }

  /* Collapse the region/block/nav wrappers so ul.rn-menu is the flex child. */
  .rn-header__nav > div:not(.rn-header__nav-head),
  .rn-header__nav > div > nav.block-menu,
  .rn-header__nav > div > nav.block-menu > .block-content,
  .rn-header__nav > nav.block-menu,
  .rn-header__nav > nav.block-menu > .block-content {
    display: contents;
  }
}

/* ==========================================================================
   Menu items — mobile (drawer) base
   ========================================================================== */
ul.rn-menu,
.rn-menu ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

ul.rn-menu {
  padding: 8px 0;
}

.rn-menu__link,
.rn-menu__mega-toggle {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 13px 18px;
  color: var(--rn-c-panel-text);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
}

.rn-menu__link:hover,
.rn-menu__link:focus-visible,
.rn-menu__mega-toggle:hover,
.rn-menu__mega-toggle:focus-visible {
  color: var(--rn-c-accent);
  text-decoration: none;
}

.rn-menu__icon {
  width: 20px;
  flex: 0 0 20px;
  text-align: center;
  font-size: 15px;
  color: var(--rn-c-accent);
}

.rn-menu__caret {
  margin-left: auto;
  font-size: 11px;
  color: var(--rn-c-panel-muted);
  transition: transform 0.2s ease;
}

.rn-menu__item.is-open > .rn-menu__link .rn-menu__caret,
.rn-menu__item.is-open > .rn-menu__mega-toggle .rn-menu__caret {
  transform: rotate(180deg);
}

.rn-menu__item.is-active-trail > .rn-menu__link,
.rn-menu__link.is-active {
  color: var(--rn-c-accent);
  background: var(--rn-c-accent-soft);
}

/* Simple nested submenus (drawer): indent below the parent. */
.rn-menu__sub .rn-menu__link {
  padding-left: 50px;
  font-weight: 400;
  font-size: 14px;
}

/* Mega panel (drawer): inline accordion under the toggle. */
.rn-mega {
  display: none;
}

.rn-menu__item--mega.is-open > .rn-mega {
  display: block;
}

@media (max-width: 992px) {
  .rn-mega__inner {
    padding: 4px 18px 16px;
    border-bottom: 1px solid var(--rn-c-border);
  }

  .rn-mega__col + .rn-mega__col {
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid var(--rn-c-border);
  }

  .rn-mega__col--topics {
    border-left: none;
    padding-left: 0;
  }
}

/* ==========================================================================
   Menu items — desktop bar
   ========================================================================== */
@media (min-width: 993px) {
  ul.rn-menu {
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 0;
    height: var(--rn-submenu-h);
  }

  .rn-menu__item {
    position: relative;
    height: 100%;
  }

  .rn-menu__link,
  .rn-menu__mega-toggle {
    width: auto;
    height: 100%;
    gap: 7px;
    padding: 0 12px;
    color: var(--rn-c-submenu-text-dim);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.2px;
    white-space: nowrap;
    position: relative;
  }

  .rn-menu__link:hover,
  .rn-menu__link:focus-visible,
  .rn-menu__mega-toggle:hover,
  .rn-menu__mega-toggle:focus-visible {
    color: var(--rn-c-accent);
  }

  /* Accent underline for hover / active */
  .rn-menu__link::after,
  .rn-menu__mega-toggle::after {
    content: "";
    position: absolute;
    left: 12px;
    right: 12px;
    bottom: 0;
    height: 3px;
    border-radius: 3px 3px 0 0;
    background: transparent;
    transition: background 0.2s ease;
  }

  .rn-menu__link:hover::after,
  .rn-menu__item.is-active-trail > .rn-menu__link::after,
  .rn-menu__link.is-active::after,
  .rn-menu__mega-toggle:hover::after,
  .rn-menu__item--mega.is-open > .rn-menu__mega-toggle::after {
    background: var(--rn-c-accent);
  }

  .rn-menu__item.is-active-trail > .rn-menu__link,
  .rn-menu__link.is-active,
  .rn-menu__item--mega.is-open > .rn-menu__mega-toggle {
    color: var(--rn-c-accent);
    background: none;
  }

  .rn-menu__icon {
    width: auto;
    flex: none;
    font-size: 13px;
    color: var(--rn-c-accent);
    opacity: 1;
  }

  .rn-menu__caret {
    margin-left: 2px;
    font-size: 10px;
    color: inherit;
    opacity: 0.7;
  }

  /* Plain dropdown submenus (if any header links gain children). */
  .rn-menu__sub {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--rn-c-panel-bg);
    border-radius: 0 0 var(--rn-radius) var(--rn-radius);
    box-shadow: var(--rn-shadow);
    padding: 8px 0;
    z-index: 20;
  }

  .rn-menu__item:hover > .rn-menu__sub,
  .rn-menu__item:focus-within > .rn-menu__sub {
    display: block;
  }

  .rn-menu__sub .rn-menu__link {
    height: auto;
    padding: 9px 16px;
    color: var(--rn-c-panel-text);
    font-weight: 400;
  }

  .rn-menu__sub .rn-menu__link::after {
    display: none;
  }

  .rn-menu__sub .rn-menu__link:hover {
    color: var(--rn-c-accent);
    background: var(--rn-c-accent-soft);
  }

  /* Mega panel: full width below the submenu bar. */
  .rn-menu__item--mega {
    position: static;
  }

  .rn-mega {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--rn-c-panel-bg);
    color: var(--rn-c-panel-text);
    box-shadow: var(--rn-shadow);
    border-top: 3px solid var(--rn-c-accent);
    z-index: 20;
    max-height: calc(100vh - var(--rn-primary-h) - var(--rn-submenu-h) - 20px);
    overflow-y: auto;
  }

  .rn-menu__item--mega.is-open > .rn-mega {
    animation: rn-mega-in 0.18s ease;
  }

  .rn-mega__inner {
    max-width: var(--rn-container);
    margin: 0 auto;
    padding: 28px 15px 32px;
    display: grid;
    grid-template-columns: 7fr 5fr;
    gap: 40px;
  }
}

@keyframes rn-mega-in {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ==========================================================================
   Mega panel content (Categories menu block + Topics view)
   Shared between drawer accordion and desktop panel.
   ========================================================================== */
.rn-mega .block {
  margin: 0;
  padding: 0;
  overflow: visible;
}

.rn-mega h2.block-title,
.rn-mega header h2.block-title {
  margin: 0 0 12px;
  padding: 0;
}

/* Categories — primary column */
.rn-mega__col--categories h2.block-title,
.rn-mega__col--categories header h2.block-title {
  font-size: 15px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  color: var(--rn-c-accent);
  border-bottom: 2px solid var(--rn-c-accent-soft);
  padding-bottom: 10px;
  margin-bottom: 16px;
}

.rn-mega__col--categories a {
  font-size: 15px;
  font-weight: 600;
  color: var(--rn-c-panel-text);
  padding: 7px 0;
}

.rn-mega__col--categories a:hover,
.rn-mega__col--categories a:focus-visible {
  color: var(--rn-c-accent);
}

.rn-mega__col--categories .sub-menu a {
  font-size: 14px;
  font-weight: 500;
  color: var(--rn-c-submenu-text-dim);
  padding-left: 12px;
}

/* Topics — secondary column */
.rn-mega__col--topics {
  border-left: 1px solid var(--rn-c-border);
  padding-left: 32px;
}

.rn-mega__col--topics h2.block-title,
.rn-mega__col--topics header h2.block-title,
.rn-mega__col--topics .block-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--rn-c-panel-muted);
  margin-bottom: 10px;
}

.rn-mega__col--topics a {
  font-size: 13px;
  font-weight: 400;
  color: var(--rn-c-panel-muted);
  padding: 4px 0;
}

.rn-mega__col--topics a:hover,
.rn-mega__col--topics a:focus-visible {
  color: var(--rn-c-accent);
}

.rn-mega ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.rn-mega a {
  display: inline-block;
  text-decoration: none;
  text-transform: none;
  transition: color 0.15s ease;
}

.rn-mega li {
  margin: 0;
  padding: 0;
  font-size: 14px;
}

@media (min-width: 993px) {
  .rn-mega__col--categories ul {
    columns: 2;
    column-gap: 30px;
  }

  .rn-mega__col--topics .item-list ul {
    columns: 2;
    column-gap: 24px;
  }

  .rn-mega li {
    break-inside: avoid;
  }
}

/* Defuse the legacy rule: header .item-list ul li.view-list-item
   (adds borders/margins to the Topics view items). */
.rn-header .item-list ul li.view-list-item {
  margin: 0;
  padding: 0;
  border-bottom: 0;
  display: block;
  width: auto;
}

/* ==========================================================================
   RN Live logo (submenu, right side)
   ========================================================================== */
.rn-header__live {
  margin-left: auto;
  flex: 0 0 auto;
}

.rn-header__live .block {
  margin: 0;
  padding: 0;
}

.rn-header__live p {
  margin: 0;
  line-height: 0;
}

.rn-header__live img {
  display: block;
  height: 26px;
  width: auto;
}

/* Legacy alias — search trigger base. */
.rn-header .rn-search-trigger {
  cursor: pointer;
  line-height: 1;
}

.rn-header .rn-search-trigger:hover,
.rn-header .rn-search-trigger:focus-visible {
  color: var(--rn-c-text);
}

/* Register CTA — visible for anonymous users in the primary bar. */
.rn-header__register-cta {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  padding: 7px 14px;
  border-radius: var(--rn-radius);
  background: #fff;
  color: var(--rn-c-accent);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.2s ease, opacity 0.2s ease;
}

.rn-header__register-cta:hover,
.rn-header__register-cta:focus-visible {
  background: rgba(255, 255, 255, 0.92);
  color: var(--rn-c-accent);
  text-decoration: none;
  outline: none;
}

@media (max-width: 992px) {
  .rn-header__register-cta {
    padding: 6px 10px;
    font-size: 13px;
  }
}

/* Register is promoted to the primary bar; keep only Log in in the dropdown. */
body:not(.logged-in) .rn-header__account-panel .menu--account a[href*="/user/register"] {
  display: none;
}

/* Account dropdown */
.rn-header__account {
  position: relative;
}

.rn-header__account-toggle {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: transparent;
  border: none;
  color: var(--rn-c-text);
  padding: 8px 2px;
  cursor: pointer;
  font-size: 19px;
  line-height: 1;
  transition: color 0.2s ease, opacity 0.2s ease;
}

.rn-header__account-toggle:hover,
.rn-header__account-toggle:focus-visible,
.rn-header__account-toggle[aria-expanded="true"] {
  color: var(--rn-c-text);
  opacity: 0.85;
}

.rn-header__account-caret {
  font-size: 10px;
  opacity: 0.7;
}

.rn-header__account-panel {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  min-width: 230px;
  background: var(--rn-c-panel-bg);
  color: var(--rn-c-panel-text);
  border-radius: var(--rn-radius);
  box-shadow: var(--rn-shadow);
  padding: 12px 0 8px;
  z-index: 610;
}

.rn-header__account-panel[hidden] {
  display: none;
}

.rn-header__account-panel .block {
  margin: 0;
  padding: 0;
}

.rn-header__account-panel ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.rn-header__account-panel li {
  margin: 0;
  padding: 0;
  float: none;
  border: 0;
}

/* Language switcher: chips at the top of the panel. */
.rn-header__account-panel .block-language {
  padding: 0 16px 10px;
  margin-bottom: 6px;
  border-bottom: 1px solid var(--rn-c-border);
}

.rn-header__account-panel .block-language ul.links {
  display: flex;
  gap: 8px;
}

.rn-header__account-panel .block-language a {
  display: inline-block;
  padding: 4px 12px;
  border: 1px solid var(--rn-c-border);
  border-radius: 999px;
  font-size: 12.5px;
  color: var(--rn-c-panel-muted);
  text-decoration: none;
  line-height: 1.5;
}

.rn-header__account-panel .block-language a:hover {
  border-color: var(--rn-c-accent);
  color: var(--rn-c-accent);
}

.rn-header__account-panel .block-language a.is-active,
.rn-header__account-panel .block-language a.session-active {
  border-color: var(--rn-c-accent);
  background: var(--rn-c-accent-soft);
  color: var(--rn-c-accent);
  font-weight: 600;
}

/* Account menu links */
.rn-header__account-panel .menu--account a {
  display: block;
  padding: 9px 16px;
  color: var(--rn-c-panel-text);
  font-size: 14px;
  text-decoration: none;
}

.rn-header__account-panel .menu--account a:hover,
.rn-header__account-panel .menu--account a:focus-visible {
  background: var(--rn-c-accent-soft);
  color: var(--rn-c-accent);
}

/* ==========================================================================
   Drawer backdrop
   ========================================================================== */
.rn-header__backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 12, 45, 0.5);
  z-index: 550;
}

.rn-header__backdrop[hidden] {
  display: none;
}