/* ==========================================================================
   TRN Platform V2 — Top Navigation Bar
   Used exclusively by TRN_Layout.php. Does NOT affect layout.php.
   Colour tokens are inherited from trn-v2.css (must load first).
   ========================================================================== */

/* Offset the sticky split panel to sit below the nav */
.trn-v2--nav .trn-split__panel {
  top: 68px;
  height: calc(100vh - 68px);
}

/*
 * Force the split into its own stacking context at z-index: 0.
 * This ensures the nav's dropdowns (at z-index: 9999) always paint above
 * the split panel and form, without taking the nav out of normal flow.
 */
.trn-v2--nav .trn-split {
  position: relative;
  z-index: 0;
}

/* ---- Nav shell ---- */
.trn-v2 .trn-tnav {
  background: var(--trn-dark-blue);
  position: sticky;
  top: 0;
  z-index: 9999;
  width: 100%;
}
.trn-v2 .trn-tnav__inner {
  display: flex;
  align-items: center;
  height: 56px;
  padding: 0 24px;
  gap: 0;
  overflow: visible;
  position: relative;
  max-width: 1180px;
  margin: 0 auto;
}

/* ---- Brand ---- */
.trn-v2 .trn-tnav__brand-group {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  gap: 10px;
  padding-right: 20px;
  margin-right: 4px;
  border-right: 1px solid rgba(255, 255, 255, 0.15);
}

.trn-v2 .trn-tnav__brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: white;
  text-decoration: none;
  font-family: var(--trn-font-sans);
  font-weight: 700;
  font-size: 14px;
  white-space: nowrap;
  flex-shrink: 0;
  transition: color 0.15s;
}
.trn-v2 .trn-tnav__brand:hover { color: var(--trn-orange); }

.trn-v2 .trn-tnav__brand-link {
  color: rgba(255, 255, 255, 0.82);
  text-decoration: none;
  font-family: var(--trn-font-sans);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  transition: color 0.15s;
}

.trn-v2 .trn-tnav__brand-link:hover,
.trn-v2 .trn-tnav__brand-link:focus {
  color: var(--trn-orange);
  outline: none;
}

/* ---- Root menu list ---- */
.trn-v2 .trn-tnav__list {
  display: flex;
  align-items: stretch;
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1;
  height: 100%;
  overflow: visible;
  flex-wrap: nowrap;
}

/* ---- Root item ---- */
.trn-v2 .trn-tnav__item {
  position: relative;
  display: flex;
  align-items: stretch;
}

/* Root link / trigger */
.trn-v2 .trn-tnav__link {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0 13px;
  color: rgba(255, 255, 255, 0.82);
  font-family: var(--trn-font-sans);
  font-size: 13px;
  font-weight: 400;
  line-height: 1;
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
  height: 100%;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s;
}
.trn-v2 .trn-tnav__link:hover,
.trn-v2 .trn-tnav__link:focus,
.trn-v2 .trn-tnav__item--drop.open > .trn-tnav__link {
  color: white;
  background: rgba(255, 255, 255, 0.09);
  outline: none;
}
.trn-v2 .trn-tnav__link.active {
  color: white;
  box-shadow: inset 0 -3px 0 var(--trn-orange);
}

/* Chevron icons */
.trn-v2 .trn-tnav__chev {
  flex-shrink: 0;
  opacity: 0.65;
  transition: transform 0.2s;
}
.trn-v2 .trn-tnav__item--drop.open > .trn-tnav__trigger .trn-tnav__chev {
  transform: rotate(180deg);
  opacity: 1;
}
.trn-v2 .trn-tnav__chev-r { flex-shrink: 0; opacity: 0.65; }

/* ---- Root dropdown ---- */
.trn-v2 .trn-tnav__dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 230px;
  background: white;
  border: 1px solid var(--trn-gray-200);
  border-radius: 0 0 var(--trn-radius-sm) var(--trn-radius-sm);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
  list-style: none;
  margin: 0;
  padding: 4px 0;
  z-index: 9999;
}
.trn-v2 .trn-tnav__item--drop.open > .trn-tnav__dropdown { display: block; }

/* ---- Dropdown items ---- */
.trn-v2 .trn-tnav__dd-item { position: relative; }

.trn-v2 .trn-tnav__dd-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 9px 16px;
  color: var(--trn-paragraph);
  font-family: var(--trn-font-sans);
  font-size: 13px;
  font-weight: 400;
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 100%;
  text-align: left;
  white-space: nowrap;
  transition: background 0.12s, color 0.12s;
}
.trn-v2 .trn-tnav__dd-link:hover,
.trn-v2 .trn-tnav__dd-link:focus {
  background: #f3f4f6;
  color: var(--trn-primary-blue);
  outline: none;
}

/* Sub-group header in dropdown */
.trn-v2 .trn-tnav__dd-item--sub > .trn-tnav__dd-link {
  font-weight: 700;
  color: var(--trn-primary-blue);
}
.trn-v2 .trn-tnav__dd-item--sub.open > .trn-tnav__dd-link {
  background: #f3f4f6;
}

/* ---- Sub-flyout (grandchildren) ---- */
.trn-v2 .trn-tnav__subdrop {
  display: none;
  position: absolute;
  left: 100%;
  top: 0;
  min-width: 230px;
  background: white;
  border: 1px solid var(--trn-gray-200);
  border-radius: var(--trn-radius-sm);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
  list-style: none;
  margin: 0;
  padding: 4px 0;
  z-index: 9999;
}
.trn-v2 .trn-tnav__dd-item--sub.open > .trn-tnav__subdrop { display: block; }

/* ---- Separators / section labels ---- */
.trn-v2 .trn-tnav__dd-separator,
.trn-v2 .trn-tnav__separator {
  padding: 8px 16px 4px;
  border-top: 1px solid var(--trn-gray-200);
  margin-top: 4px;
}
.trn-v2 .trn-tnav__dd-separator:first-child,
.trn-v2 .trn-tnav__separator:first-child { border-top: none; margin-top: 0; }
.trn-v2 .trn-tnav__dd-separator span,
.trn-v2 .trn-tnav__separator span {
  font-family: var(--trn-font-sans);
  font-size: 10px;
  font-weight: 700;
  color: var(--trn-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

/* ---- User chip (right side) ---- */
.trn-v2 .trn-tnav__user {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  padding-left: 16px;
  border-left: 1px solid rgba(255, 255, 255, 0.15);
  margin-left: 8px;
}
.trn-v2 .trn-tnav__user-name {
  font-family: var(--trn-font-sans);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.75);
  white-space: nowrap;
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
}
.trn-v2 .trn-tnav__user-logout {
  color: rgba(255, 255, 255, 0.6);
  display: flex;
  align-items: center;
  transition: color 0.15s;
}
.trn-v2 .trn-tnav__user-logout:hover { color: var(--trn-orange); }

/* ---- Mobile hamburger ---- */
.trn-v2 .trn-tnav__mobile-toggle {
  display: none;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  margin-left: auto;
  flex-shrink: 0;
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .trn-v2 .trn-tnav__mobile-toggle { display: flex; }
  .trn-v2 .trn-tnav__user { display: none; }

  .trn-v2 .trn-tnav__list {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: var(--trn-dark-blue);
    padding: 8px 0;
    height: auto;
    overflow-y: auto;
    max-height: calc(100vh - 56px);
    z-index: 9998;
  }
  .trn-v2 .trn-tnav__list.open { display: flex; }

  .trn-v2 .trn-tnav__item { display: block; height: auto; }
  .trn-v2 .trn-tnav__link { height: auto; padding: 11px 16px; width: 100%; }

  .trn-v2 .trn-tnav__dropdown,
  .trn-v2 .trn-tnav__subdrop {
    position: static;
    box-shadow: none;
    border: none;
    background: rgba(0, 0, 0, 0.18);
    border-radius: 0;
    min-width: 0;
  }
  .trn-v2 .trn-tnav__dd-link {
    color: rgba(255, 255, 255, 0.8);
    padding-left: 28px;
  }
  .trn-v2 .trn-tnav__dd-link:hover { background: rgba(255, 255, 255, 0.08); color: white; }
  .trn-v2 .trn-tnav__dd-item--sub > .trn-tnav__dd-link { color: rgba(255, 255, 255, 0.9); }

  /* Always show dropdowns on mobile (they're in the flow) */
  .trn-v2 .trn-tnav__item--drop.open > .trn-tnav__dropdown,
  .trn-v2 .trn-tnav__dd-item--sub.open > .trn-tnav__subdrop { display: block; }

  /* On mobile the nav scrolls with the page, so no panel offset needed */
  .trn-v2--nav .trn-split__panel { top: 0; height: auto; }
}

/* ---- Static nav right-side action elements ---- */
.trn-v2 .trn-tnav__actions { gap: 10px; }
.trn-v2 .trn-tnav__act-btn {
  display: flex !important;
  align-items: center;
  justify-content: center;
  align-self: stretch;
  gap: 8px;
  padding: 6px 16px;
  background: var(--trn-orange) !important;
  color: white !important;
  border-radius: 4px;
  box-shadow: 0 4px 4px 0 rgba(147, 147, 147, 0.07);
  font-family: var(--trn-font-sans);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none !important;
  white-space: nowrap;
  transition: background 0.15s;
  flex-shrink: 0;
  line-height: 1;
}
.trn-v2 .trn-tnav__act-btn:hover { background: #c96c02 !important; color: white !important; }
.trn-v2 .trn-tnav__act-btn svg {
  display: block;
  flex-shrink: 0;
}
.trn-v2 .trn-tnav__act-notif,
.trn-v2 .trn-tnav__act-profile {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 4px;
  flex-shrink: 0;
}
.trn-v2 .trn-tnav__act-notif {
  background: rgba(225,121,3,0.15);
  border: 1px solid var(--trn-orange);
  color: var(--trn-orange);
  cursor: default;
}
.trn-v2 .trn-tnav__act-profile {
  background: rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  transition: background 0.15s;
}
.trn-v2 .trn-tnav__act-profile:hover { background: rgba(255,255,255,0.3); color: white; }
@media (max-width: 900px) {
  .trn-v2 .trn-tnav__actions { display: none; }
}

/* ==========================================================================
   Static Navigation Bar (.trn-snav) — replaces dynamic eu4d_render_topnav
   ========================================================================== */
.trn-v2 .trn-snav {
  background: var(--trn-dark-blue);
  position: sticky;
  top: 0;
  z-index: 9999;
  width: 100%;
  box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.05);
}
.trn-v2 .trn-snav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
  height: 56px;
}

.trn-v2 .trn-snav__content-wrap {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}
.trn-v2 .trn-snav__left  { display: flex; align-items: center; gap: 24px; }
.trn-v2 .trn-snav__right { display: flex; align-items: center; gap: 16px; }

/* Brand */
.trn-v2 .trn-snav__brand {
  font-family: var(--trn-font-sans);
  font-weight: 700;
  font-size: 14px;
  color: white;
  letter-spacing: 0.84px;
  text-decoration: none;
  white-space: nowrap;
  text-transform: uppercase;
}
.trn-v2 .trn-snav__brand em {
  font-style: normal;
}
.trn-v2 .trn-snav__brand a {
  color: inherit;
  text-decoration: none;
}
.trn-v2 .trn-snav__brand em a {
  color: #E17903 !important;
  font-family: 'Merriweather Sans', sans-serif;
  font-size: 14px;
  font-style: normal;
  font-weight: 700;
  line-height: 150%;
  letter-spacing: 0.84px;
  text-decoration: none;
}

/* Divider */
.trn-v2 .trn-snav__divider {
  width: 1px;
  height: 24px;
  background: rgba(255,255,255,0.2);
  flex-shrink: 0;
}

/* Nav links */
.trn-v2 .trn-snav__links { display: flex; align-items: center; gap: 4px; }
.trn-v2 .trn-snav__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 4px;
  font-family: var(--trn-font-sans);
  font-size: 14px;
  font-style: normal;
  font-weight: 400;
  line-height: 1.5;
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s;
}
.trn-v2 .trn-snav__link:hover {
  color: white;
  background: rgba(255,255,255,0.1);
}
.trn-v2 .trn-snav__link.active {
  background: rgba(255,255,255,0.2);
  color: white;
  font-weight: 700;
}
.trn-v2 .trn-snav__link svg { flex-shrink: 0; }

/* New discussion button */
.trn-v2 .trn-snav__btn-new {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--trn-orange);
  color: white;
  border-radius: 4px;
  font-family: var(--trn-font-sans);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 4px 4px rgba(147,147,147,0.07);
  transition: background 0.15s;
}
.trn-v2 .trn-snav__btn-new:hover { background: #c96c02; color: white; }

/* Notifications badge */
.trn-v2 .trn-snav__notif {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 36px;
  padding: 6px 12px;
  background: rgba(225,121,3,0.15);
  border: 1px solid var(--trn-orange);
  border-radius: 4px;
  color: var(--trn-orange);
  cursor: default;
  flex-shrink: 0;
}
.trn-v2 .trn-snav__notif-count {
  font-family: var(--trn-font-sans);
  font-weight: 700;
  font-size: 14px;
  line-height: 1;
  color: var(--trn-orange);
}

/* Profile icon button */
.trn-v2 .trn-snav__icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 4px;
  background: rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  transition: background 0.15s;
  flex-shrink: 0;
}
.trn-v2 .trn-snav__icon-btn:hover,
.trn-v2 .trn-snav__icon-btn.active { background: rgba(255,255,255,0.3); color: white; }

/* Dropdown wrapper */
.trn-v2 .trn-snav__item { position: relative; }
.trn-v2 .trn-snav__item--drop { display: flex; align-items: center; }

/* Chevron */
.trn-v2 .trn-snav__chev {
  flex-shrink: 0;
  opacity: 0.65;
  transition: transform 0.2s;
}
.trn-v2 .trn-snav__item--drop.open > .trn-snav__trigger .trn-snav__chev {
  transform: rotate(180deg);
  opacity: 1;
}

/* Trigger button inherits link style */
.trn-v2 .trn-snav__trigger {
  background: none;
  border: none;
  cursor: pointer;
}

/* Dropdown panel */
.trn-v2 .trn-snav__dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 200px;
  background: white;
  border: 1px solid var(--trn-gray-200, #e5e7eb);
  border-radius: 4px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.1);
  list-style: none;
  margin: 0;
  padding: 4px 0;
  z-index: 9999;
}
.trn-v2 .trn-snav__item--drop.open > .trn-snav__dropdown { display: block; }

/* Dropdown links */
.trn-v2 .trn-snav__dd-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  font-family: var(--trn-font-sans);
  font-size: 14px;
  font-weight: 400;
  color: var(--trn-paragraph, #4c5052);
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.12s, color 0.12s;
}
.trn-v2 .trn-snav__dd-link:hover {
  background: #f3f4f6;
  color: var(--trn-primary-blue, #0f3395);
}
.trn-v2 .trn-snav__dd-link svg { flex-shrink: 0; color: var(--trn-gray-400, #9ca3af); }

/* Mobile toggle */
.trn-v2 .trn-snav__mobile-toggle {
  display: none;
  background: none;
  border: none;
  padding: 6px;
  cursor: pointer;
  flex-shrink: 0;
  color: white;
}

/* Responsive */
@media (max-width: 1100px) {
  .trn-v2 .trn-snav__inner { padding: 0 20px; }
  .trn-v2 .trn-snav__content-wrap { padding: 0 20px; }
}
@media (max-width: 900px) {
  .trn-v2 .trn-snav__mobile-toggle { display: flex; align-items: center; }

  .trn-v2 .trn-snav__left {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    background: var(--trn-dark-blue, #182160);
    padding: 8px 0 16px;
    gap: 0;
    z-index: 9998;
  }
  .trn-v2 .trn-snav__left.open { display: flex; }
  .trn-v2 .trn-snav__divider   { display: none; }

  .trn-v2 .trn-snav__links {
    flex-direction: column;
    width: 100%;
    gap: 0;
  }
  .trn-v2 .trn-snav__link {
    width: 100%;
    padding: 11px 24px;
    border-radius: 0;
  }
  .trn-v2 .trn-snav__item--drop { width: 100%; flex-direction: column; align-items: flex-start; }
  .trn-v2 .trn-snav__trigger    { width: 100%; }

  .trn-v2 .trn-snav__dropdown {
    position: static;
    box-shadow: none;
    border: none;
    border-radius: 0;
    background: rgba(0,0,0,0.18);
    min-width: 0;
    width: 100%;
  }
  .trn-v2 .trn-snav__dd-link {
    padding-left: 40px;
    color: rgba(255,255,255,0.8);
  }
  .trn-v2 .trn-snav__dd-link:hover { background: rgba(255,255,255,0.08); color: white; }
  .trn-v2 .trn-snav__dd-link svg   { color: rgba(255,255,255,0.5); }

  .trn-v2 .trn-snav__btn-new span { display: none; }
  .trn-v2 .trn-snav__btn-new      { padding: 6px 10px; }

  .trn-v2--nav .trn-split__panel  { top: 0; height: auto; }
}