/* ═══════════════════════════════════════════════════════════════
   MODERN NAV — Celestial Midnight + Arctic Steel
   RTL-aware interactive navigation for Bootstrap 3
   ═══════════════════════════════════════════════════════════════ */

/* ── CSS Custom Properties ── */
:root {
  --nav-navy-deep: #060e1f;
  --nav-navy: #0a1628;
  --nav-navy-mid: #0d1f3d;
  --nav-navy-light: #0f2345;
  --nav-steel: #4a7296;
  --nav-steel-light: #6a9ec0;
  --nav-steel-muted: #3d6585;
  --nav-steel-glow: #8cbad6;
  --nav-steel-bright: #a8d0e8;
  --nav-steel-active: #5a88ab;
  --nav-text: #c8daee;
  --nav-text-dim: rgba(200, 218, 238, 0.65);
  --nav-text-bright: #e0ecf8;
  --nav-frost: rgba(10, 22, 40, 0.88);
  --nav-frost-heavy: rgba(8, 15, 30, 0.94);
  --nav-border-subtle: rgba(90, 136, 171, 0.12);
  --nav-border-medium: rgba(90, 136, 171, 0.25);
  --nav-border-accent: rgba(140, 186, 214, 0.35);
  --nav-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --nav-transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --nav-transition-slow: 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}


/* ═══════════════════════════════════════════
   HEADER — Celestial Midnight Base
   ═══════════════════════════════════════════ */

#header {
  background: linear-gradient(180deg,
    var(--nav-navy) 0%,
    var(--nav-navy-mid) 60%,
    var(--nav-navy-light) 100%) !important;
  border-bottom: 1px solid var(--nav-border-subtle);
  position: relative;
  z-index: 1000;
  transition: background var(--nav-transition);
}

/* Subtle shimmer line at bottom of header */
#header::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--nav-steel-glow) 20%,
    var(--nav-steel-light) 50%,
    var(--nav-steel-glow) 80%,
    transparent 100%);
  opacity: 0.3;
}


/* ═══════════════════════════════════════════
   TOP BAR — Prayer times / utility links
   ═══════════════════════════════════════════ */

#header .top-menu li a {
  color: var(--nav-steel-glow) !important;
  transition: color var(--nav-transition-fast);
}

#header .top-menu li a:hover {
  color: var(--nav-text-bright) !important;
}

#header .top-menu li + li::before {
  color: rgba(90, 136, 171, 0.35) !important;
}

#header .search-holder button {
  color: var(--nav-steel-glow);
  transition: color var(--nav-transition-fast), text-shadow var(--nav-transition-fast);
}

#header .search-holder button:hover {
  color: var(--nav-text-bright);
  text-shadow: 0 0 8px rgba(140, 186, 214, 0.4);
}

/* Prayer dropdown — Celestial styled */
#header .top-menu .dropdown-menu {
  background: var(--nav-frost-heavy) !important;
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  backdrop-filter: blur(16px) saturate(140%);
  border: 1px solid var(--nav-border-medium) !important;
  box-shadow:
    0 12px 40px rgba(0, 0, 0, 0.45),
    0 0 1px rgba(140, 186, 214, 0.15),
    inset 0 1px 0 rgba(140, 186, 214, 0.08);
  border-radius: 8px;
}

#header .top-menu .dropdown-menu::before {
  border-color: transparent transparent var(--nav-navy-mid) transparent !important;
}

#header .top-menu .dropdown-menu li strong.title,
#header .top-menu .dropdown-menu li span,
#header .top-menu .dropdown-menu li b {
  color: var(--nav-steel-glow) !important;
}

#header .top-menu .dropdown-menu li a {
  color: var(--nav-text-dim) !important;
  transition: color var(--nav-transition-fast), background var(--nav-transition-fast);
}

#header .top-menu .dropdown-menu li a:hover {
  color: var(--nav-text-bright) !important;
  background: rgba(90, 136, 171, 0.08) !important;
}

#header .top-menu .dropdown-menu li .head {
  background: rgba(90, 136, 171, 0.12) !important;
}

#header .top-menu .dropdown-menu li .head span.azan,
#header .top-menu .dropdown-menu li .head span.time,
#header .top-menu .dropdown-menu li a em,
#header .top-menu .dropdown-menu li a strong.time {
  color: var(--nav-steel-glow) !important;
}


/* ═══════════════════════════════════════════
   NAVIGATION ROW — Desktop (>991px)
   ═══════════════════════════════════════════ */

#header .navigation-row {
  border-top: 1px solid var(--nav-border-subtle);
  background: rgba(6, 14, 31, 0.35);
  transition: background var(--nav-transition);
}

#header .navigation-row .navbar-inverse {
  background-color: transparent !important;
  border-color: transparent !important;
}

#header .navigation-row .navbar-collapse {
  padding: 0;
}


/* ── Nav Items — Base ── */

#nav li a {
  color: var(--nav-text) !important;
  position: relative;
  transition:
    color var(--nav-transition),
    text-shadow var(--nav-transition);
  z-index: 20;
}

/* Animated underline — slides from right (RTL) */
#nav > li > a::after {
  content: "";
  position: absolute;
  bottom: 10px;
  right: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg,
    var(--nav-steel-glow),
    var(--nav-steel-light));
  border-radius: 1px;
  transition: width var(--nav-transition);
  box-shadow: 0 0 6px rgba(140, 186, 214, 0.3);
}

#nav > li:hover > a::after,
#nav > li:focus-within > a::after {
  width: 70%;
}

#nav > li:hover > a {
  color: var(--nav-text-bright) !important;
  text-shadow: 0 0 12px rgba(140, 186, 214, 0.25);
}

/* Caret icon animation */
#nav li a .fa,
#nav li a i.fa-caret-down {
  color: var(--nav-steel-muted) !important;
  transition: transform var(--nav-transition-fast), color var(--nav-transition-fast);
  display: inline-block;
}

#nav > li:hover > a .fa,
#nav > li:hover > a i.fa-caret-down {
  color: var(--nav-steel-glow) !important;
  transform: rotate(180deg);
}


/* ── Active Item ── */

#header .navigation-row .navbar-inverse .navbar-nav > .active > a,
#header .navigation-row .navbar-inverse .navbar-nav > .active > a:hover,
#header .navigation-row .navbar-inverse .navbar-nav > .active > a:focus {
  background: transparent !important;
  border-bottom: 2px solid var(--nav-steel-active) !important;
  color: var(--nav-text-bright) !important;
}

#nav > li.active > a::after {
  width: 70%;
  background: linear-gradient(90deg,
    var(--nav-steel-active),
    var(--nav-steel-light));
}


/* ═══════════════════════════════════════════
   DROPDOWN MENUS — Frosted Glass
   ═══════════════════════════════════════════ */

#nav li ul {
  background: var(--nav-frost) !important;
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  backdrop-filter: blur(20px) saturate(150%);
  border: 1px solid var(--nav-border-medium) !important;
  border-top: 2px solid var(--nav-steel-active) !important;
  border-radius: 0 0 8px 8px;
  box-shadow:
    0 16px 48px rgba(0, 0, 0, 0.5),
    0 0 1px rgba(140, 186, 214, 0.12),
    inset 0 1px 0 rgba(140, 186, 214, 0.06);
  padding: 6px 0 !important;
  z-index: 100 !important;

  /* Animated reveal */
  display: block !important;
  visibility: hidden;
  opacity: 0;
  transform: translateY(-8px);
  transition:
    visibility var(--nav-transition),
    opacity var(--nav-transition),
    transform var(--nav-transition);
  pointer-events: none;
}

/* Show dropdown on hover */
#nav li:hover > ul {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* Dropdown items */
#nav li ul li a {
  color: var(--nav-text) !important;
  border-top: 1px solid var(--nav-border-subtle) !important;
  padding: 12px 20px !important;
  position: relative;
  overflow: hidden;
  transition:
    color var(--nav-transition-fast),
    background var(--nav-transition-fast),
    padding var(--nav-transition-fast);
}

#nav li ul li:first-child a {
  border-top: none !important;
}

/* Sweep highlight on hover */
#nav li ul li a::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 100%;
  background: linear-gradient(270deg,
    rgba(90, 136, 171, 0.15) 0%,
    rgba(90, 136, 171, 0.04) 100%);
  transition: width var(--nav-transition);
  z-index: -1;
}

#nav li ul li a:hover::before,
#nav li ul li:hover > a::before {
  width: 100%;
}

#nav li ul li a:hover,
#nav li ul li:hover > a {
  color: var(--nav-text-bright) !important;
  padding-right: 26px !important;
  background: transparent !important;
}

/* Active accent bar on dropdown hover */
#nav li ul li a::after {
  content: "";
  position: absolute;
  top: 20%;
  right: 0;
  width: 3px;
  height: 0;
  background: var(--nav-steel-glow);
  border-radius: 0 0 2px 2px;
  transition: height var(--nav-transition);
}

#nav li ul li a:hover::after,
#nav li ul li:hover > a::after {
  height: 60%;
}

/* Nested dropdowns */
#nav li ul li > ul {
  border-top: 1px solid var(--nav-border-medium) !important;
  border-radius: 8px !important;
}


/* ═══════════════════════════════════════════
   KEYBOARD / FOCUS STYLES
   ═══════════════════════════════════════════ */

#nav li a:focus-visible {
  outline: 2px solid var(--nav-steel-glow);
  outline-offset: 2px;
  border-radius: 3px;
}

#nav li ul li a:focus-visible {
  outline: 2px solid var(--nav-steel-glow);
  outline-offset: -2px;
}


/* ═══════════════════════════════════════════
   HAMBURGER — Animated Transform (Mobile)
   ═══════════════════════════════════════════ */

#header .navbar-toggle {
  border: 1px solid var(--nav-border-accent) !important;
  background: rgba(13, 31, 61, 0.6) !important;
  border-radius: 6px;
  padding: 8px 10px !important;
  margin: 4px 0 6px;
  transition:
    background var(--nav-transition-fast),
    border-color var(--nav-transition-fast),
    box-shadow var(--nav-transition-fast);
  position: relative;
  width: 40px;
  height: 34px;
}

#header .navbar-toggle:hover,
#header .navbar-toggle:focus {
  background: rgba(90, 136, 171, 0.18) !important;
  border-color: var(--nav-steel-glow) !important;
  box-shadow: 0 0 12px rgba(140, 186, 214, 0.15);
}

/* Icon bars — prepare for X animation */
#header .navbar-toggle .icon-bar {
  background-color: var(--nav-steel-glow) !important;
  height: 2px;
  width: 20px;
  border-radius: 2px;
  transition:
    transform var(--nav-transition),
    opacity var(--nav-transition),
    background-color var(--nav-transition-fast);
  display: block;
  position: relative;
}

#header .navbar-toggle .icon-bar + .icon-bar {
  margin-top: 4px;
}

/* X-transform when open */
#header .navbar-toggle.is-active .icon-bar:nth-child(2) {
  transform: rotate(45deg) translate(4px, 4px);
  background-color: var(--nav-steel-bright) !important;
}

#header .navbar-toggle.is-active .icon-bar:nth-child(3) {
  opacity: 0;
  transform: scaleX(0);
}

#header .navbar-toggle.is-active .icon-bar:nth-child(4) {
  transform: rotate(-45deg) translate(4px, -5px);
  background-color: var(--nav-steel-bright) !important;
}

#header .navbar-toggle.is-active {
  background: rgba(90, 136, 171, 0.22) !important;
  border-color: var(--nav-steel-glow) !important;
}


/* ═══════════════════════════════════════════
   TABLET (768px – 991px)
   ═══════════════════════════════════════════ */

@media (min-width: 768px) and (max-width: 991px) {
  #header {
    padding: 10px 0 0 0;
  }

  #header .header-right-topbar {
    margin-bottom: 6px;
  }

  #header .navigation-row {
    background: rgba(10, 22, 40, 0.5);
    margin: 0;
  }

  #nav li a {
    font-size: 14px !important;
    line-height: 14px !important;
    padding: 12px 14px !important;
  }

  #nav > li > a::after {
    bottom: 5px;
  }

  /* Ensure dropdowns don't overflow viewport edges */
  #nav li ul {
    right: 0 !important;
    left: auto !important;
    max-width: 220px;
  }

  /* Last 2 items in RTL are on far left — flip dropdown alignment */
  #nav > li:last-child > ul,
  #nav > li:nth-last-child(2) > ul {
    right: auto !important;
    left: 0 !important;
  }

  #nav li ul li > ul {
    right: 100% !important;
    left: auto !important;
  }
}


/* ═══════════════════════════════════════════
   MOBILE (≤767px)
   ═══════════════════════════════════════════ */

@media (max-width: 767px) {

  #header {
    background: linear-gradient(180deg,
      var(--nav-navy-deep) 0%,
      var(--nav-navy) 50%,
      var(--nav-navy-mid) 100%) !important;
    padding: 4px 0 0 0;
  }

  #header .container {
    padding-left: 10px;
    padding-right: 10px;
  }

  /* Logo */
  #header a.logo {
    margin-bottom: 0;
    padding: 4px 0;
  }

  #header a.logo img {
    max-height: 40px;
    width: auto;
  }

  /* Top bar compact */
  #header .header-right-topbar {
    margin: 0 0 2px 0;
    padding: 2px 0 4px;
    border-bottom: 1px solid var(--nav-border-subtle);
  }

  #header .top-menu li a {
    font-size: 12px !important;
    line-height: 12px !important;
  }

  #header .top-menu li + li::before {
    padding: 0 6px !important;
  }

  /* Navigation row */
  #header .navigation-row {
    background: transparent;
    border-top: none;
    margin: 0;
  }

  /* ── Mobile Menu Panel ── */
  #header #navbar.collapse.in,
  #header #navbar.collapsing {
    background: var(--nav-frost-heavy);
    -webkit-backdrop-filter: blur(20px) saturate(140%);
    backdrop-filter: blur(20px) saturate(140%);
    border-top: 1px solid var(--nav-border-medium);
    border-bottom: 1px solid var(--nav-border-subtle);
    margin: 0 -10px;
    padding: 12px 16px 8px;
    border-radius: 0 0 12px 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  }

  /* ── Mobile Nav Items ── */
  #nav {
    padding: 0 !important;
  }

  #nav li {
    padding-bottom: 0 !important;
    border-bottom: 1px solid var(--nav-border-subtle);
  }

  #nav li:last-child {
    border-bottom: none;
  }

  #nav > li > a {
    padding: 12px 4px !important;
    font-size: 16px !important;
    line-height: 22px !important;
    min-height: 44px;
    display: flex !important;
    align-items: center;
    justify-content: flex-start;
  }

  /* Remove desktop underline animation on mobile */
  #nav > li > a::after {
    display: none;
  }

  /* Active item styling */
  #nav > li.active > a {
    color: var(--nav-steel-bright) !important;
    border-right: 3px solid var(--nav-steel-active);
    padding-right: 12px !important;
  }

  /* Tap/click feedback for all nav items
     Specificity matches #header #nav from gallery-cards.css;
     modern-nav.css loads later so this wins on equal specificity */
  #header #nav > li > a:hover,
  #header #nav > li > a:active {
    color: var(--nav-steel-bright) !important;
    background: rgba(90, 136, 171, 0.10) !important;
  }

  #header #nav > li > a:active {
    background: rgba(90, 136, 171, 0.18) !important;
  }

  /* Caret — rotates on accordion open */
  #nav li a .fa,
  #nav li a i.fa-caret-down {
    margin-right: auto;
    margin-left: 8px;
    font-size: 14px !important;
    transition: transform var(--nav-transition), color var(--nav-transition-fast);
    transform: rotate(0deg) !important;
  }

  #nav li.dropdown-open > a .fa,
  #nav li.dropdown-open > a i.fa-caret-down {
    transform: rotate(180deg) !important;
    color: var(--nav-steel-bright) !important;
  }

  /* ── Mobile Dropdown Submenus — Accordion ── */
  #nav li ul {
    position: static !important;
    width: 100% !important;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    transform: none !important;
    pointer-events: auto !important;

    /* Accordion collapse */
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                padding 0.3s ease;

    background: rgba(6, 14, 31, 0.5) !important;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    border: none !important;
    border-radius: 6px !important;
    margin: 0 4px 4px !important;
    padding: 0 !important;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.2) !important;
  }

  /* Expanded state */
  #nav li.dropdown-open > ul {
    max-height: 300px;
    padding: 4px 8px !important;
  }

  #nav li ul li {
    border-bottom: none;
  }

  #nav li ul li a {
    padding: 10px 14px !important;
    font-size: 14px !important;
    line-height: 20px !important;
    min-height: 40px;
    color: var(--nav-steel-glow) !important;
    border-top: 1px solid rgba(90, 136, 171, 0.08) !important;
    border-radius: 4px;
    display: flex;
    align-items: center;
  }

  #nav li ul li:first-child a {
    border-top: none !important;
  }

  /* Mobile dropdown hover/tap */
  #nav li ul li a::before,
  #nav li ul li a::after {
    display: none;
  }

  #nav li ul li a:hover,
  #nav li ul li a:active,
  #nav li ul li:hover > a {
    background: rgba(90, 136, 171, 0.12) !important;
    color: var(--nav-text-bright) !important;
    padding-right: 14px !important;
  }

  /* Nested dropdown on mobile */
  #nav li ul li > ul {
    border-radius: 4px !important;
    margin: 2px 0 !important;
  }
}


/* ═══════════════════════════════════════════
   SMALL MOBILE (≤480px)
   ═══════════════════════════════════════════ */

@media (max-width: 480px) {
  #header a.logo {
    width: 100%;
    text-align: center;
    margin: 0 0 4px 0;
  }

  #header .header-right-topbar {
    width: 100%;
    text-align: center;
  }
}


/* ═══════════════════════════════════════════
   PRINT — Clean nav for printing
   ═══════════════════════════════════════════ */

@media print {
  #header {
    background: #fff !important;
    border-bottom: 1px solid #ccc;
  }

  #nav li a {
    color: #222 !important;
    text-shadow: none !important;
  }

  #nav li ul {
    display: none !important;
  }

  .navbar-toggle {
    display: none !important;
  }
}