/**
 * Header & Footer — Government UI Pattern (USWDS-inspired)
 * Header: banner → primary nav → ticker
 * Footer: 4-column grid → copyright strip
 * Loaded last to override legacy styles in style.css
 */

/* ============================================================
   TIER 2 — BANNER (full-width DB image, zero decoration)
   ============================================================ */
.site-banner {
  line-height: 0;
  background: var(--color-primary);
}

.site-banner__link {
  display: block;
  line-height: 0;
}

.site-banner__img {
  display: block;
  width: 100%;
  height: auto;
  max-height: none;
  object-fit: initial;
  object-position: center top;
}

/* ============================================================
   TIER 3 — PRIMARY NAVIGATION
   Solid color. No gradient. Clean horizontal menu + search.
   ============================================================ */
.site-header .site-nav {
  display: block !important;
  width: 100% !important;
  max-width: none !important;
  margin: 0 !important;
  background: var(--color-primary) !important;
  border-radius: 0 !important;
  border-top: 2px solid rgba(255, 255, 255, 0.12);
}

.site-nav__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-4);
  display: flex;
  align-items: stretch;
  box-sizing: border-box;
}

.site-nav__menu {
  flex: 1;
  display: flex;
  flex-wrap: nowrap;
  justify-content: flex-start;
  align-items: stretch;
  list-style: none;
  margin: 0;
  padding: 0;
  min-height: 48px;
}

/* Nav items */
.site-nav__menu > li {
  float: none !important;
  position: relative;
  display: flex;
  align-items: stretch;
}

.site-nav__link,
.site-nav__menu > li > a {
  display: inline-flex;
  align-items: center;
  padding: 0 var(--space-3);
  min-height: 48px;
  color: rgba(255, 255, 255, 0.92) !important;
  font-size: var(--font-size-small);
  font-weight: 500;
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition:
    background 150ms ease,
    color 150ms ease;
  box-sizing: border-box;
  text-decoration: none !important;
}

.site-nav__menu > li:hover > a,
.site-nav__menu > li:hover > .site-nav__link,
.site-nav__menu > li.active > a,
.site-nav__menu > li.active > .site-nav__link {
  color: #ffffff !important;
  background: rgba(0, 0, 0, 0.18);
}

/* Home item — "Trang chủ" text, phone version hidden on desktop */
.site-nav__menu .home > a.phone {
  display: none !important;
}

.site-nav__menu .home > a.desktop {
  display: inline-flex !important;
}

/* Dropdown caret on parent menu items */
.site-nav__caret {
  font-size: 11px;
  margin-left: var(--space-1);
  opacity: 0.85;
  line-height: 1;
  flex-shrink: 0;
  text-transform: none;
}

.site-nav__item--has-sub:hover .site-nav__caret {
  opacity: 1;
}

/* Items with submenus — subtle right separator */
.site-nav__item--has-sub + .site-nav__item--has-sub {
  border-left: none;
}

/* ---- Dropdown ---- */
.site-nav__dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 500;
  min-width: 220px;
  max-width: 280px;
  list-style: none;
  margin: 0;
  padding: var(--space-1) 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: 2px solid var(--color-primary);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  display: none;
}

.site-nav__menu > li:hover > .site-nav__dropdown {
  display: block;
}

.site-nav__dropdown > li {
  float: none !important;
  width: 100%;
}

.site-nav__dropdown a {
  display: block;
  padding: var(--space-2) var(--space-3);
  color: var(--color-text-primary) !important;
  font-size: var(--font-size-small);
  font-weight: 400;
  line-height: 1.45;
  white-space: normal;
  border-bottom: 1px solid var(--color-border);
  transition:
    background 150ms ease,
    color 150ms ease;
  text-decoration: none;
}

.site-nav__dropdown > li:last-child > a {
  border-bottom: none;
}

.site-nav__dropdown a:hover {
  background: var(--color-primary-light);
  color: var(--color-primary) !important;
}

/* Long dropdown — capped height + scroll (e.g. Thủ tục hành chính) */
.site-nav__dropdown--scrollable {
  max-height: min(360px, 55vh);
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
}

.site-nav__dropdown--scrollable::-webkit-scrollbar {
  width: 6px;
}

.site-nav__dropdown--scrollable::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 3px;
}

.site-nav__dropdown--scrollable::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-secondary);
}

/* Keep "view all" link visible while scrolling */
.site-nav__dropdown--scrollable > .site-nav__dropdown-pin {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--color-surface);
  box-shadow: 0 1px 0 var(--color-border);
}

.site-nav__dropdown--scrollable > .site-nav__dropdown-pin > a {
  font-weight: 600;
  color: var(--color-primary) !important;
  border-bottom: 1px solid var(--color-border);
}

/* Nested dropdown */
.submenu_gioithieu,
.site-nav__dropdown--nested {
  top: 0 !important;
  left: 100% !important;
  border-top: 2px solid var(--color-primary);
  border-radius: var(--radius-md);
}

.site-nav__sub-item--has-child:hover > .submenu_gioithieu,
.site-nav__sub-item--has-child:hover > .site-nav__dropdown--nested {
  display: block;
}

/* ---- Search (right side) ---- */
.site-header .site-nav__search-wrap,
.site-header .site-nav__item--search-mobile {
  --search-control-h: 34px;
}

.site-nav__search-wrap {
  display: flex;
  align-items: stretch;
  padding: var(--space-2) 0 var(--space-2) var(--space-3);
  border-left: 1px solid rgba(255, 255, 255, 0.12);
  flex-shrink: 0;
}

.site-header .site-nav__search-wrap .site-nav__input,
.site-header .site-nav__search-wrap input.txtSearch,
.site-header .site-nav__item--search-mobile .site-nav__input,
.site-header .site-nav__item--search-mobile input.txtSearch {
  height: var(--search-control-h) !important;
  min-height: var(--search-control-h) !important;
  max-height: var(--search-control-h) !important;
  width: 180px;
  padding: 0 var(--space-3) !important;
  margin: 0 !important;
  border: 1px solid rgba(255, 255, 255, 0.3) !important;
  border-right: none !important;
  border-radius: var(--radius-sm) 0 0 var(--radius-sm) !important;
  background: rgba(255, 255, 255, 0.95) !important;
  font-size: var(--font-size-small);
  color: var(--color-text-primary);
  box-sizing: border-box !important;
  outline: none;
  float: none !important;
  line-height: normal;
}

.site-header .site-nav__item--search-mobile .site-nav__input,
.site-header .site-nav__item--search-mobile input.txtSearch {
  flex: 1;
  width: auto;
}

.site-header .site-nav__search-wrap .site-nav__input:focus,
.site-header .site-nav__search-wrap input.txtSearch:focus,
.site-header .site-nav__item--search-mobile .site-nav__input:focus,
.site-header .site-nav__item--search-mobile input.txtSearch:focus {
  background: #ffffff !important;
  border-color: rgba(255, 255, 255, 0.6) !important;
  border-right: none !important;
}

.site-header .site-nav__search-wrap .site-nav__btn,
.site-header .site-nav__search-wrap .linkSearch,
.site-header .site-nav__item--search-mobile .site-nav__btn,
.site-header .site-nav__item--search-mobile .linkSearch {
  height: var(--search-control-h) !important;
  min-height: var(--search-control-h) !important;
  max-height: var(--search-control-h) !important;
  width: var(--search-control-h) !important;
  min-width: var(--search-control-h) !important;
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  padding: 0 !important;
  margin: 0 !important;
  background: rgba(0, 0, 0, 0.2) !important;
  color: #ffffff !important;
  border: 1px solid rgba(255, 255, 255, 0.3) !important;
  border-left: none !important;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0 !important;
  box-sizing: border-box !important;
  cursor: pointer;
  transition: background 150ms ease;
  font-size: 14px;
  line-height: 1 !important;
  float: none !important;
  flex-shrink: 0;
  text-align: center;
}

.site-header .site-nav__search-wrap .site-nav__btn:hover,
.site-header .site-nav__search-wrap .linkSearch:hover,
.site-header .site-nav__item--search-mobile .site-nav__btn:hover,
.site-header .site-nav__item--search-mobile .linkSearch:hover {
  background: rgba(0, 0, 0, 0.35) !important;
}

/* Mobile search inside menu (only on small) */
.site-nav__item--search-mobile {
  display: none !important;
}

/* ---- Ticker (tier 4) ---- */
.site-ticker {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.site-ticker__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-4);
  height: 34px;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  box-sizing: border-box;
}

.site-ticker__label {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  padding-right: var(--space-3);
  border-right: 1px solid var(--color-border);
  white-space: nowrap;
}

.site-ticker__icon {
  font-size: 15px;
  color: var(--color-danger);
  line-height: 1;
}

.site-ticker__track {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  font-size: var(--font-size-small);
  font-weight: 600;
  color: var(--color-danger);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.site-ticker__track marquee {
  color: var(--color-danger) !important;
}

.site-ticker__track marquee a {
  color: var(--color-danger) !important;
  font-weight: 600;
}

.site-ticker__track marquee a:hover {
  color: var(--color-primary) !important;
  text-decoration: underline;
}

/* Mobile top bar */
.site-mobile-bar {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100001;
  height: 48px;
  align-items: center;
  padding: 0;
  width: 100%;
  box-sizing: border-box;
}

.site-mobile-bar__toggle,
.site-mobile-bar__search-btn {
  width: 48px;
  height: 48px;
  display: flex !important;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #ffffff !important;
  font-size: 18px;
  padding: 0 !important;
  float: none !important;
  border: none !important;
}

.site-mobile-bar__toggle {
  border-right: 1px solid rgba(255, 255, 255, 0.15) !important;
}

.site-mobile-bar__search-btn {
  border-left: 1px solid rgba(255, 255, 255, 0.15) !important;
  margin-left: auto;
}

.site-mobile-bar__title {
  flex: 1;
  display: flex !important;
  align-items: center;
  padding: 0 var(--space-3) !important;
  color: #ffffff !important;
  font-size: var(--font-size-small) !important;
  font-weight: 600 !important;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  float: none !important;
}

/* ============================================================
   FOOTER — government letterhead style
   Layout: quick-nav strip → centered identity block → copyright
   ============================================================ */
.site-footer-wrap {
  margin-top: var(--space-5);
}

.site-footer {
  background: var(--color-primary-hover);
  color: #ffffff;
}

.site-footer__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-4);
  box-sizing: border-box;
}

/* ---- Quick-nav strip (top) ---- */
.site-footer__nav-strip {
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(0, 0, 0, 0.1);
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: var(--space-2) 0;
  min-height: 42px;
}

.site-footer__nav a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  color: rgba(255, 255, 255, 0.85) !important;
  font-size: var(--font-size-small);
  font-weight: 500;
  text-decoration: none;
  border-right: 1px solid rgba(255, 255, 255, 0.18);
  transition: color 150ms ease, background 150ms ease;
  white-space: nowrap;
}

.site-footer__nav a:last-child {
  border-right: none;
}

.site-footer__nav a:hover {
  color: #ffffff !important;
  background: rgba(255, 255, 255, 0.1);
}

.site-footer__nav .fa {
  font-size: 11px;
  opacity: 0.75;
}

/* ---- Main identity block (center) ---- */
.site-footer__main {
  padding: var(--space-4) 0 var(--space-5);
  text-align: center;
}

.site-footer__identity {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.site-footer__body {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  width: 100%;
}

.site-footer__eyebrow {
  margin: 0;
  font-size: var(--font-size-caption);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 500;
}

.site-footer__org-name {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: 0.04em;
  line-height: 1.3;
}

.site-footer__org-sub {
  margin: 0;
  font-size: var(--font-size-small);
  color: rgba(255, 255, 255, 0.8);
}

/* Contact from DB — strip heavy markup, show inline */
.site-footer__contact {
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  font-size: var(--font-size-small);
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.9);
  width: 100%;
  max-width: 100%;
}

.site-footer__contact > * { margin: 0 0 4px !important; }
.site-footer__contact p:empty { display: none; }

.site-footer__contact h1,
.site-footer__contact h2,
.site-footer__contact h3,
.site-footer__contact h4 {
  font-size: var(--font-size-small) !important;
  font-weight: 700 !important;
  color: #ffffff !important;
  margin: 0 0 var(--space-1) !important;
}

.site-footer__contact strong,
.site-footer__contact b { color: #ffffff; font-weight: 600; }
.site-footer__contact a { color: rgba(255,255,255,0.9) !important; text-decoration: underline; text-underline-offset: 2px; }
.site-footer__contact a:hover { color: #ffffff !important; }
.site-footer__contact img { display: none; }

.site-footer__contact table {
  width: auto !important;
  border-collapse: collapse;
  font-size: var(--font-size-small);
  margin: 0 auto;
}

.site-footer__contact td {
  padding: 2px var(--space-3) 2px 0;
  vertical-align: top;
  border: none;
  color: rgba(255, 255, 255, 0.9);
}

/* ---- Copyright + utility strip (bottom) ---- */
.site-footer__bottom {
  border-top: 1px solid rgba(0, 0, 0, 0.15);
  padding: var(--space-2) 0;
  background: rgba(0, 0, 0, 0.12);
}

.site-footer__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.site-footer__copyright-block {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.site-footer__copyright {
  margin: 0;
  font-size: var(--font-size-caption);
  color: rgba(255, 255, 255, 0.65);
}

.site-footer__disclaimer {
  margin: var(--space-2) 0 0;
  font-size: var(--font-size-caption);
  color: rgba(255, 255, 255, 0.55);
  font-style: italic;
}

.site-footer__disclaimer strong {
  color: rgba(255, 255, 255, 0.75);
  font-style: normal;
}

.site-footer__util-links {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.site-footer__util-links a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--font-size-caption);
  color: rgba(255, 255, 255, 0.55) !important;
  text-decoration: none;
  transition: color 150ms ease;
}

.site-footer__util-links a:hover {
  color: rgba(255, 255, 255, 0.9) !important;
}

.site-footer__util-links .fa {
  font-size: 11px;
}

/* ---- Legacy override ---- */
.site-footer-wrap .footer,
.site-footer-wrap .menu-footer,
.site-footer-wrap .clear5,
.site-footer-wrap .clear10 {
  display: none !important;
}

/* ============================================================
   OVERRIDE: Kill legacy CSS conflicts from style.css
   ============================================================ */

/* Banner — override legacy fixed height from style.css */
.site-banner,
.site-banner .banner,
.site-header .banner {
  height: auto !important;
  max-height: none !important;
  overflow: visible !important;
}

.site-banner__img,
.site-banner .banner > img,
.site-banner .banner > object,
.site-header .banner > img,
.site-header .banner > object {
  width: 100% !important;
  height: auto !important;
  max-height: none !important;
  object-fit: initial !important;
  display: block;
}

/* Nav base resets */
.site-header .menu {
  display: block !important;
  background: var(--color-primary) !important;
}

.site-header .menu > ul {
  display: flex !important;
  flex-wrap: nowrap;
  justify-content: flex-start !important;
}

.site-header .menu > ul > li,
.site-header .site-nav__menu > li {
  float: none !important;
}

/*
 * style.css has `.home { width: 100% }` for Err.aspx — also hits li.home in menu,
 * stretching "Trang chủ" full-width and pushing other items to the right.
 */
.site-header .site-nav__menu > li.home {
  width: auto !important;
  margin: 0 !important;
  text-align: left !important;
  font-size: inherit !important;
  flex: 0 0 auto !important;
}

.site-header .site-nav__menu {
  flex: 1 1 auto;
  justify-content: flex-start !important;
}

.site-header .menu > ul > li > a,
.site-header .site-nav__menu > li > a,
.site-header .site-nav__link {
  text-transform: uppercase !important;
  padding: 0 var(--space-3) !important;
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  font-weight: 500 !important;
  font-size: var(--font-size-small) !important;
  color: rgba(255, 255, 255, 0.92) !important;
}

/* Remove old nav_bar position */
.site-header .nav_bar {
  border-bottom: none !important;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media screen and (max-width: 980px) {
  .site-nav__inner {
    padding: 0 var(--space-3);
  }

  .site-nav__input {
    width: 140px;
  }

  /* Footer responsive */
  .site-footer__nav {
    justify-content: flex-start;
  }

  .site-footer__link-list--grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media screen and (max-width: 640px) {
  /* Hide desktop header tiers */
  .site-banner {
    display: none !important;
  }

  /* Show mobile bar */
  .site-mobile-bar {
    display: flex;
  }

  /* Slide-out nav drawer */
  .site-header .site-nav,
  .site-header .menu {
    position: fixed !important;
    top: 0;
    left: -280px !important;
    width: 280px !important;
    height: 100vh !important;
    overflow-y: auto;
    z-index: 100000;
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.25);
    transition: left 200ms ease;
  }

  .site-header .site-nav__inner {
    flex-direction: column;
    padding: 0;
    padding-top: 48px;
  }

  .site-nav__menu {
    flex-direction: column;
    width: 100%;
  }

  .site-nav__menu > li {
    width: 100%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .site-nav__link,
  .site-nav__menu > li > a {
    width: 100%;
    padding: var(--space-3) var(--space-4) !important;
    min-height: 48px;
    white-space: normal;
  }

  /* Mobile: show phone version of home link */
  .site-nav__menu .home > a.phone {
    display: inline-flex !important;
  }

  .site-nav__menu .home > a.desktop {
    display: none !important;
  }

  /* All dropdowns visible in mobile */
  .site-nav__dropdown {
    position: static !important;
    display: block !important;
    width: 100% !important;
    max-width: none !important;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    background: rgba(0, 0, 0, 0.18) !important;
    padding: 0 !important;
  }

  .site-nav__dropdown a {
    padding-left: var(--space-6) !important;
    color: rgba(255, 255, 255, 0.8) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05) !important;
    background: none;
  }

  .site-nav__dropdown a:hover {
    background: rgba(255, 255, 255, 0.08) !important;
    color: #ffffff !important;
  }

  .site-nav__dropdown--scrollable {
    max-height: 220px;
    overflow-y: auto !important;
  }

  .site-nav__dropdown--scrollable > .site-nav__dropdown-pin {
    background: var(--color-primary-hover, #004b82);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.08);
  }

  .site-nav__dropdown--scrollable > .site-nav__dropdown-pin > a {
    color: #ffffff !important;
  }

  .submenu_gioithieu,
  .site-nav__dropdown--nested {
    position: static !important;
    left: auto !important;
    padding-left: var(--space-3) !important;
  }

  /* Mobile search inside drawer */
  .site-nav__item--search-mobile {
    display: flex !important;
    padding: var(--space-3) var(--space-4);
    background: rgba(0, 0, 0, 0.15);
    align-items: stretch;
    gap: 0;
  }

  /* Hide desktop search */
  .site-nav__search-wrap {
    display: none !important;
  }

  /* Push main content below mobile bar */
  .site-main.navContainer {
    padding-top: calc(48px + var(--space-3)) !important;
  }

  .site-ticker__inner {
    padding: 0 var(--space-3);
  }

  /* Footer mobile */
  .site-footer__nav a {
    padding: var(--space-1) var(--space-2);
    font-size: var(--font-size-caption);
  }

  .site-footer__org-name {
    font-size: 15px;
  }

  .site-footer__bottom-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .site-footer__map iframe {
    height: 160px !important;
  }
}

/* Desktop: ensure nav_bar stays hidden */
@media screen and (min-width: 641px) {
  .site-mobile-bar,
  .site-header .nav_bar {
    display: none !important;
  }

  .site-header .site-nav,
  .site-header .menu {
    position: relative !important;
    left: auto !important;
    width: 100% !important;
    height: auto !important;
    overflow: visible !important;
    box-shadow: none !important;
  }
}