/**
 * نظام قائمة التنقل المتجاوبة - تِك سوليوشنز
 * الإصدار: 1.0.1 (with dropdown fix, overflow/z-index, touch+hover logic)
 * تاريخ التحديث: 2025-11-11
 * المطور: alinaji7 (refined)
 */

/* ======== متغيرات CSS للتخصيص السهل ======== */
:root {
  /* الألوان الأساسية */
  --primary-color: #4a6cf7;
  --primary-hover: #3151e9;
  --primary-dark: #2539bd;
  --primary-light: #eef1fe;
  --secondary-color: #6c757d;
  --dark-color: #111928;
  --light-color: #f8f9fa;
  --body-color: #4d5765;
  --heading-color: #2b3645;
  --border-color: #e9ecef;
  --shadow-color: rgba(0, 0, 0, 0.1);
  --shadow-dark: rgba(0, 0, 0, 0.2);

  /* التحولات والتأثيرات */
  --transition-base: all 0.3s ease;
  --transition-smooth: all 0.5s cubic-bezier(0.645, 0.045, 0.355, 1);

  /* قياسات الهيدر */
  --header-height: 70px;
  --header-height-sticky: 60px;
  --header-height-mobile: 60px;

  /* أحجام الحاويات */
  --container-width-xl: 1320px;
  --container-width-lg: 1140px;
  --container-width-md: 960px;
  --container-width-sm: 720px;
  --container-width-xs: 540px;

  /* المسافات */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;

  /* الخطوط */
  --font-primary: "Cairo", sans-serif;
  --font-secondary: "Tajawal", sans-serif;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;

  /* الحدود */
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 1rem;
  --border-radius-xl: 2rem;
  --border-radius-circle: 50%;
}

/* ======== تحديدات الوضع المظلم ======== */
[data-bs-theme="dark"] {
  --primary-light: #1f2937;
  --dark-color: #f8f9fa;
  --light-color: #111928;
  --body-color: #d1d5db;
  --heading-color: #f3f4f6;
  --border-color: #374151;
  --shadow-color: rgba(0, 0, 0, 0.5);
  --shadow-dark: rgba(0, 0, 0, 0.7);
}

/* ======== تنسيقات عامة ======== */
body {
  font-family: var(--font-primary);
  color: var(--body-color);
  overflow-x: hidden;
  transition: var(--transition-base);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  margin: 0;
  padding: 0;
}

body.page-loading {
  overflow: hidden;
}

main {
  flex: 1;
  margin-top: var(--header-height);
  transition: margin var(--transition-base);
}

@media (max-width: 991.98px) {
  main {
    margin-top: var(--header-height-mobile);
  }
}

a {
  text-decoration: none;
  color: var(--primary-color);
  transition: var(--transition-base);
}

a:hover {
  color: var(--primary-hover);
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  width: 100%;
  padding-right: 15px;
  padding-left: 15px;
  margin-right: auto;
  margin-left: auto;
}

@media (min-width: 576px) {
  .container { max-width: var(--container-width-xs); }
}
@media (min-width: 768px) {
  .container { max-width: var(--container-width-sm); }
}
@media (min-width: 992px) {
  .container { max-width: var(--container-width-md); }
}
@media (min-width: 1200px) {
  .container { max-width: var(--container-width-lg); }
}
@media (min-width: 1400px) {
  .container { max-width: var(--container-width-xl); }
}

/* ======== محمل الصفحة ======== */
#preloader {
  position: fixed; inset: 0;
  background-color: white;
  z-index: 9999;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
}
[data-bs-theme="dark"] #preloader { background-color: var(--dark-color); }

.spinner {
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.spinner > div {
  width: 16px; height: 16px; margin: 0 5px;
  background-color: var(--primary-color);
  border-radius: var(--border-radius-circle);
  display: inline-block;
  animation: sk-bouncedelay 1.4s infinite ease-in-out both;
}
.spinner .bounce1 { animation-delay: -0.32s; }
.spinner .bounce2 { animation-delay: -0.16s; }

@keyframes sk-bouncedelay {
  0%,80%,100% { transform: scale(0); }
  40% { transform: scale(1); }
}
.preloader-logo { animation: pulse 2s infinite; }
@keyframes pulse {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: .8; }
  100% { transform: scale(1); opacity: 1; }
}

/* ======== شريط المعلومات العلوي ======== */
.top-bar {
  background-color: var(--primary-light);
  padding: 8px 0;
  font-size: var(--font-size-sm);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-base);
  position: relative;
  z-index: 101;
}
.top-bar-contact {
  display: flex; flex-wrap: wrap; align-items: center;
}
.top-bar-contact a {
  color: var(--body-color);
  margin-left: 20px; margin-bottom: 5px; margin-top: 5px;
  display: inline-flex; align-items: center; font-weight: 500;
  transition: var(--transition-base);
}
.top-bar-contact a i {
  margin-left: 5px; color: var(--primary-color); font-size: 14px;
}
.top-bar-contact a:hover { color: var(--primary-color); }
.top-bar-social {
  display: flex; align-items: center; flex-wrap: wrap; justify-content: flex-end;
}
.top-bar-social a {
  width: 28px; height: 28px; border-radius: var(--border-radius-circle);
  background-color: rgba(74,108,247,.1); color: var(--primary-color);
  display: inline-flex; align-items: center; justify-content: center;
  margin-right: 8px; margin-bottom: 5px; margin-top: 5px;
  font-size: 14px; transition: var(--transition-base);
}
.top-bar-social a:hover {
  background-color: var(--primary-color); color: #fff; transform: translateY(-3px);
}
.top-bar-utils { display: flex; align-items: center; justify-content: flex-end; }

/* ======== زر تبديل الوضع المظلم ======== */
.color-mode-toggle {
  cursor: pointer; margin-right: 15px; width: 32px; height: 32px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--border-radius-circle);
  background-color: rgba(74,108,247,.1);
  color: var(--primary-color); transition: var(--transition-base);
  border: none; outline: none; padding: 0;
}
.color-mode-toggle:hover { background-color: var(--primary-color); color: #fff; }
.color-mode-toggle:focus { box-shadow: 0 0 0 3px rgba(74,108,247,.3); }

/* ======== قائمة اللغات ======== */
.language-dropdown .dropdown-toggle {
  border: none; background: transparent; color: var(--body-color);
  display: flex; align-items: center; transition: var(--transition-base); padding: 0; outline: none;
}
.language-dropdown .dropdown-toggle:hover,
.language-dropdown .dropdown-toggle:focus { color: var(--primary-color); }
.language-dropdown .dropdown-toggle img {
  width: 20px; height: 20px; margin-left: 5px; border-radius: var(--border-radius-circle); object-fit: cover;
}
.language-dropdown .dropdown-menu {
  min-width: 10rem; padding: .5rem 0; border: none; border-radius: var(--border-radius-md);
  box-shadow: 0 10px 40px var(--shadow-color); margin-top: 10px;
}
.language-dropdown .dropdown-item {
  display: flex; align-items: center; padding: .5rem 1rem; color: var(--body-color);
  transition: var(--transition-base);
}
.language-dropdown .dropdown-item.active {
  background-color: var(--primary-light); color: var(--primary-color); font-weight: 600;
}
.language-dropdown .dropdown-item:hover {
  background-color: var(--primary-light); color: var(--primary-color);
}
.language-dropdown .dropdown-item img {
  width: 20px; height: 20px; margin-left: 10px; border-radius: var(--border-radius-circle); object-fit: cover;
}

/* ======== الهيدر الرئيسي ======== */
.main-header {
  background-color: #fff;
  box-shadow: 0 2px 15px rgba(0,0,0,.05);
  width: 100%; z-index: 1100;
  position: fixed; top: 0; left: 0; right: 0;
  min-height: var(--header-height);
  transition: all .3s ease;
  /* مانع قصّ القوائم */
  overflow: visible;
}
[data-bs-theme="dark"] .main-header {
  background-color: #1f2937; box-shadow: 0 2px 15px rgba(0,0,0,.2);
}
.main-header.sticky-header {
  box-shadow: 0 5px 20px var(--shadow-color);
  animation: slideDown .5s ease;
  min-height: var(--header-height-sticky);
}
@keyframes slideDown { 0%{transform:translateY(-100%)} 100%{transform:translateY(0)} }

.nav-container {
  display: flex; align-items: center; position: relative;
  min-height: var(--header-height); transition: min-height .3s ease;
  /* مانع قصّ القوائم */
  overflow: visible;
}
.sticky-header .nav-container { min-height: var(--header-height-sticky); }

.navbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0; width: 100%; position: relative;
  /* مانع قصّ القوائم */
  overflow: visible;
}

/* ======== الشعار ======== */
.navbar-brand {
  padding: 15px 0; display: flex; align-items: center;
  margin-right: 15px; flex: 0 0 auto; position: relative; z-index: 102;
}
.navbar-brand img {
  height: 45px; max-width: 100%; transition: height .3s ease;
}
.sticky-header .navbar-brand img { height: 40px; }

/* ======== القائمة الرئيسية ======== */
.main-menu {
  display: flex; justify-content: center; width: 100%; flex: 1 1 auto;
}
.navbar-nav {
  display: flex; flex-wrap: nowrap; align-items: center;
  margin: 0; padding: 0; list-style: none; justify-content: center; width: auto; gap: 5px;
}
.nav-item { position: relative; margin: 0 5px; display: inline-block; }
.nav-item.has-dropdown { position: relative; }

.nav-item.has-dropdown > .nav-link::after {
  content: "\f107"; font-family: "Font Awesome 6 Free"; font-weight: 900;
  margin-right: 5px; font-size: .875rem; transition: var(--transition-base);
}
.nav-item.has-dropdown:hover > .nav-link::after { transform: rotate(180deg); }

.nav-link {
  padding: 25px 15px; color: var(--heading-color);
  font-size: .95rem; font-weight: 600; transition: var(--transition-base);
  position: relative; display: block; white-space: nowrap; cursor: pointer;
}
.nav-link:hover, .nav-link.active { color: var(--primary-color); }

.nav-link::before {
  content: ""; position: absolute; bottom: 0; left: 15px; right: 15px; height: 3px;
  background-color: var(--primary-color); transform: scaleX(0);
  transition: var(--transition-smooth); transform-origin: right center;
}
.nav-link:hover::before, .nav-link.active::before {
  transform: scaleX(1); transform-origin: left center;
}
.sticky-header .nav-link { padding: 20px 15px; }

/* ======== القوائم المنسدلة (إصلاحات عرض/قص/لمس) ======== */
.dropdown-menu {
  /* سنجعلها مخفية افتراضيًا وتظهر عبر .show أو :hover */
  display: none;
  position: absolute; top: 100%;
  inset-inline-start: 0; /* يدعم RTL/LTR */
  min-width: 230px; padding: .5rem 0; margin: 0;
  background-color: #fff; border: none; border-radius: var(--border-radius-md);
  box-shadow: 0 10px 40px var(--shadow-color);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: var(--transition-smooth);
  z-index: 1095;
}
[data-bs-theme="dark"] .dropdown-menu {
  background-color: #1f2937; box-shadow: 0 10px 40px var(--shadow-dark);
}

/* ميغا منيو مركزة */
.dropdown-menu.mega-menu {
  inset-inline-start: 50%;
  transform: translateY(10px) translateX(-50%);
  width: 600px; display: flex; flex-wrap: wrap; padding: 1.5rem;
}

/* تظهر في حالات الفتح: hover (للماوس) أو .show/.open (للمس والبرمجة) */
@media (hover: hover) and (pointer: fine) {
  .nav-item.has-dropdown:hover > .dropdown-menu {
    display: block; opacity: 1; visibility: visible; transform: translateY(0);
  }
  .nav-item.has-dropdown:hover > .dropdown-menu.mega-menu {
    transform: translateY(0) translateX(-50%);
  }
}
/* على اللمس عطّل سلوك hover */
@media (hover: none) {
  .nav-item.has-dropdown:hover > .dropdown-menu {
    display: none; opacity: 0; visibility: hidden; transform: translateY(10px);
  }
}

/* الفتح عبر كلاس .show/.open (يضيفها الجافاسكربت) */
.nav-item.has-dropdown.open > .dropdown-menu,
.nav-item.has-dropdown > .dropdown-menu.show,
.dropdown-menu.visible-touch {
  display: block; opacity: 1; visibility: visible; transform: translateY(0);
}
.nav-item.has-dropdown.open > .dropdown-menu.mega-menu,
.nav-item.has-dropdown > .dropdown-menu.show.mega-menu {
  transform: translateY(0) translateX(-50%);
}

.dropdown-item {
  padding: 8px 20px; color: var(--body-color);
  font-size: .9rem; font-weight: 500;
  transition: var(--transition-base); text-decoration: none; display: block; white-space: normal;
}
.dropdown-item:hover, .dropdown-item:focus, .dropdown-item.active {
  background-color: var(--primary-light); color: var(--primary-color);
}

/* ======== ميغا مينيو ======== */
.mega-menu-column { flex: 0 0 50%; max-width: 50%; padding: 0 1rem; }
.mega-menu-title {
  font-size: 1rem; font-weight: 700; color: var(--heading-color);
  display: block; padding: 8px 0; margin-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
}
.mega-menu-title i { margin-left: 5px; color: var(--primary-color); }
.mega-menu-column ul { list-style: none; padding: 0; margin: 0; }
.mega-menu-column ul li { margin: 5px 0; }
.mega-menu-column ul a {
  display: block; padding: 8px 0; color: var(--body-color);
  font-size: .9rem; font-weight: 500; transition: var(--transition-base); text-decoration: none;
}
.mega-menu-column ul a:hover { color: var(--primary-color); transform: translateX(-5px); }
.mega-menu-column ul a i { margin-left: 5px; color: var(--primary-color); opacity: 0; transition: var(--transition-base); }
.mega-menu-column ul a:hover i { opacity: 1; transform: translateX(-5px); }

/* ======== أزرار الهيدر ======== */
.header-actions {
  display: flex; align-items: center; margin-right: 0; flex: 0 0 auto;
}
.header-action-item { margin-right: 15px; }

.header-search-btn {
  width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
  border-radius: var(--border-radius-circle); background-color: var(--primary-light);
  color: var(--primary-color); cursor: pointer; transition: var(--transition-base);
  border: none; font-size: 1rem;
}
.header-search-btn:hover, .header-search-btn:focus { background-color: var(--primary-color); color: #fff; outline: none; }
.header-search-btn:focus { box-shadow: 0 0 0 3px rgba(74,108,247,.3); }

.header-action-btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 20px; font-size: .9rem; font-weight: 600;
  border-radius: var(--border-radius-xl); color: #fff;
  background-color: var(--primary-color); border: 2px solid var(--primary-color);
  transition: var(--transition-base); text-decoration: none; position: relative; overflow: hidden; z-index: 1; white-space: nowrap;
}
.header-action-btn::before {
  content: ""; position: absolute; inset: 0 100% 0 0; height: 100%; background-color: #fff; transition: var(--transition-base); z-index: -1;
}
.header-action-btn:hover { color: var(--primary-color); }
.header-action-btn:hover::before { inset: 0 0 0 0; }
.header-action-btn:focus { box-shadow: 0 0 0 3px rgba(74,108,247,.3); outline: none; }
.header-action-btn i { margin-left: 8px; font-size: .85rem; position: relative; top: 1px; transition: var(--transition-base); }
.header-action-btn:hover i { transform: translateX(-5px); }

.mobile-menu-toggle {
  border: none; background: transparent; padding: 0; font-size: 1.5rem; color: var(--heading-color);
  cursor: pointer; display: none; transition: var(--transition-base); margin-right: 10px;
}
.mobile-menu-toggle:hover, .mobile-menu-toggle:focus { color: var(--primary-color); outline: none; }

/* ======== القائمة المتنقلة للموبايل ======== */
.mobile-menu-wrapper {
  position: fixed; inset: 0; width: 100vw; height: 100vh;
  background-color: rgba(0,0,0,.5); z-index: 9999;
  opacity: 0; visibility: hidden; transition: var(--transition-base);
  backdrop-filter: blur(5px); -webkit-backdrop-filter: blur(5px);
}
.mobile-menu-wrapper.active { opacity: 1; visibility: visible; }

.mobile-menu {
  position: fixed; top: 0; right: -100%;
  width: 320px; max-width: 100%; height: 100%;
  background-color: #fff; overflow-y: auto; transition: var(--transition-smooth);
  box-shadow: -5px 0 30px var(--shadow-color); display: flex; flex-direction: column;
}
[data-bs-theme="dark"] .mobile-menu { background-color: #1f2937; box-shadow: -5px 0 30px var(--shadow-dark); }
.mobile-menu-wrapper.active .mobile-menu { right: 0; }

.mobile-menu-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px; border-bottom: 1px solid var(--border-color);
}
.mobile-menu-header .logo img { height: 35px; }

.mobile-menu-close {
  border: none; background: transparent; font-size: 1.5rem; color: var(--heading-color);
  cursor: pointer; transition: var(--transition-base); padding: 0; width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
}
.mobile-menu-close:hover, .mobile-menu-close:focus { color: var(--primary-color); outline: none; }

.mobile-menu-nav { padding: 20px; flex: 1; overflow-y: auto; }
.mobile-menu-nav ul { list-style: none; padding: 0; margin: 0; }
.mobile-menu-nav ul li { margin-bottom: 5px; }
.mobile-menu-nav ul a {
  display: block; padding: 10px 0; color: var(--heading-color);
  font-size: 1rem; font-weight: 600; text-decoration: none;
  transition: var(--transition-base); border-bottom: 1px solid var(--border-color);
}
.mobile-menu-nav ul a:hover, .mobile-menu-nav ul a.active { color: var(--primary-color); }

.mobile-menu-nav .dropdown-toggle { display: flex; justify-content: space-between; align-items: center; }
.mobile-menu-nav .dropdown-toggle::after {
  content: "\f054"; font-family: "Font Awesome 6 Free"; font-weight: 900; font-size: .75rem; transition: var(--transition-base);
}
.mobile-menu-nav .dropdown-toggle.active::after { transform: rotate(90deg); }

.mobile-dropdown-menu { display: none; padding-right: 15px; margin-top: 5px; }
.mobile-dropdown-menu.show { display: block; }
.mobile-dropdown-menu ul li:last-child a { border-bottom: none; }

.mobile-menu-footer { padding: 20px; border-top: 1px solid var(--border-color); margin-top: auto; }

.mobile-menu-social {
  display: flex; flex-wrap: wrap; justify-content: center; margin-bottom: 20px;
}
.mobile-menu-social a {
  width: 35px; height: 35px; border-radius: var(--border-radius-circle);
  background-color: var(--primary-light); color: var(--primary-color);
  display: flex; align-items: center; justify-content: center;
  text-decoration: none; margin: 0 5px 8px; transition: var(--transition-base); font-size: 1rem;
}
.mobile-menu-social a:hover { background-color: var(--primary-color); color: #fff; transform: translateY(-3px); }

.mobile-dark-toggle {
  width: 35px; height: 35px; border-radius: var(--border-radius-circle);
  background-color: var(--primary-light); color: var(--primary-color);
  display: flex; align-items: center; justify-content: center;
  text-decoration: none; margin: 0 5px 8px; transition: var(--transition-base); font-size: 1rem;
}
.mobile-dark-toggle:hover { background-color: var(--primary-color); color: #fff; }

.mobile-menu-contact { text-align: center; margin-bottom: 15px; }
.mobile-menu-contact a {
  display: block; color: var(--body-color); font-size: .9rem; text-decoration: none;
  margin-bottom: 8px; transition: var(--transition-base);
}
.mobile-menu-contact a:hover { color: var(--primary-color); }
.mobile-menu-contact a i { margin-left: 5px; color: var(--primary-color); }

.mobile-menu-btn {
  display: block; width: 100%; padding: 12px 20px;
  background-color: var(--primary-color); color: #fff; font-size: .95rem; font-weight: 600; text-align: center;
  border-radius: var(--border-radius-md); text-decoration: none; transition: var(--transition-base);
  border: 2px solid var(--primary-color);
}
.mobile-menu-btn:hover { background-color: var(--primary-hover); color: #fff; border-color: var(--primary-hover); }
.mobile-menu-btn i { margin-left: 5px; }

/* ======== نافذة البحث المنبثقة ======== */
.search-popup {
  position: fixed; inset: 0; background-color: rgba(0,0,0,.9);
  display: flex; align-items: center; justify-content: center; z-index: 9999;
  opacity: 0; visibility: hidden; transition: var(--transition-base);
  backdrop-filter: blur(5px); -webkit-backdrop-filter: blur(5px);
}
.search-popup.active { opacity: 1; visibility: visible; }

.search-popup-content { width: 100%; max-width: 600px; padding: 0 20px; }

.search-popup-close {
  position: absolute; top: 30px; right: 30px; width: 40px; height: 40px;
  background-color: #fff; color: var(--primary-color);
  border-radius: var(--border-radius-circle);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; cursor: pointer; transition: var(--transition-base);
  border: none; outline: none;
}
.search-popup-close:hover { background-color: var(--primary-color); color: #fff; transform: rotate(90deg); }

.search-popup-form { position: relative; }
.search-popup-input {
  width: 100%; padding: 20px 30px; border: none; border-radius: var(--border-radius-xl);
  font-size: 1.25rem; color: var(--body-color); background-color: #fff;
  box-shadow: 0 5px 20px var(--shadow-color); outline: none; font-family: var(--font-primary);
}
.search-popup-input:focus { box-shadow: 0 5px 30px var(--shadow-dark); }

.search-popup-submit {
  position: absolute; top: 5px; left: 5px; width: 50px; height: 50px;
  border-radius: var(--border-radius-circle); background-color: var(--primary-color);
  color: #fff; border: none; font-size: 1.25rem; cursor: pointer; transition: var(--transition-base); outline: none;
}
.search-popup-submit:hover { background-color: var(--primary-hover); transform: scale(1.05); }

/* ======== تحسينات العرض RTL ======== */
html[dir="rtl"] .header-action-btn i { margin-left: 8px; margin-right: 0; }
html[dir="rtl"] .dropdown-item { text-align: right; }
html[dir="rtl"] .header-action-btn:hover i { transform: translateX(5px); }
html[dir="rtl"] .mega-menu-column ul a:hover { transform: translateX(5px); }
html[dir="rtl"] .mega-menu-column ul a i { margin-right: 5px; margin-left: 0; }
html[dir="rtl"] .mega-menu-column ul a:hover i { transform: translateX(5px); }
html[dir="rtl"] .mobile-menu-nav .dropdown-toggle::after { content: "\f053"; }
html[dir="rtl"] .search-popup-submit { left: 5px; right: auto; }

/* ======== تحسينات متجاوبة ======== */
/* الشاشات الكبيرة جداً */
@media (min-width: 1400px) {
  .nav-item { margin: 0 8px; }
  .nav-link { font-size: 1rem; padding: 25px 18px; }
  .sticky-header .nav-link { padding: 20px 18px; }
  .dropdown-menu.mega-menu { width: 680px; }
  .header-action-btn { padding: 12px 25px; font-size: .95rem; }
  .container { max-width: var(--container-width-xl); }
}
/* الشاشات الكبيرة */
@media (min-width: 1200px) and (max-width: 1399.98px) {
  .nav-link { padding: 25px 15px; font-size: .95rem; }
  .sticky-header .nav-link { padding: 20px 15px; }
  .header-action-btn { padding: 10px 18px; }
  .dropdown-menu.mega-menu { width: 560px; }
  .container { max-width: var(--container-width-lg); }
}
/* الشاشات المتوسطة */
@media (min-width: 992px) and (max-width: 1199.98px) {
  :root { --header-height: 65px; --header-height-sticky: 60px; }
  .navbar-brand img { height: 40px; }
  .nav-link { padding: 22px 10px; font-size: .875rem; }
  .sticky-header .nav-link { padding: 18px 8px; }
  .header-action-btn { padding: 8px 15px; font-size: .85rem; }
  .dropdown-menu.mega-menu { width: 500px; }
  .dropdown-item { font-size: .85rem; padding: 8px 15px; }
  .navbar-nav { gap: 0; }
  .nav-item { margin: 0 2px; }
  .container { max-width: var(--container-width-md); }
}
/* الشاشات الصغيرة والمتوسطة */
@media (max-width: 991.98px) {
  :root { --header-height: 60px; --header-height-sticky: 60px; --header-height-mobile: 60px; }
  .mobile-menu-toggle { display: block; order: 1; }
  .main-menu { display: none; }
  .header-search-btn { width: 35px; height: 35px; font-size: .95rem; }
  .navbar-brand img { height: 35px; }
  .sticky-header .navbar-brand img { height: 35px; }
  .top-bar { display: none; }
  main { margin-top: var(--header-height-mobile); }
  .header-action-btn { padding: 7px 15px; font-size: .85rem; }
  .navbar { flex-wrap: nowrap; justify-content: space-between; }
  .navbar-brand { margin-right: auto; }
  .header-actions { margin-left: auto; order: 2; }
  .mobile-menu { width: 300px; }
  .container { max-width: var(--container-width-sm); }
  .mobile-dropdown-menu { padding-right: 0; }
}
/* الشاشات الصغيرة */
@media (max-width: 767.98px) {
  :root { --header-height-mobile: 55px; }
  .mobile-menu { width: 280px; }
  .navbar-brand img { height: 32px; }
  .header-action-btn { padding: 7px 12px; font-size: .8rem; }
  .header-search-btn { width: 32px; height: 32px; font-size: .8rem; }
  .search-popup-close { top: 20px; right: 20px; width: 35px; height: 35px; font-size: 1.1rem; }
  .search-popup-input { padding: 15px 25px; font-size: 1.1rem; }
  .search-popup-submit { width: 45px; height: 45px; font-size: 1.1rem; }
  .container { max-width: 100%; }
  .mobile-menu-footer { padding: 15px; }
  .mobile-menu-social a, .mobile-dark-toggle { width: 32px; height: 32px; font-size: .9rem; }
}
/* الشاشات الصغيرة جداً */
@media (max-width: 575.98px) {
  :root { --header-height-mobile: 50px; }
  .header-search-btn { display: none; }
  .search-popup-close { top: 15px; right: 15px; width: 30px; height: 30px; font-size: .9rem; }
  .search-popup-input { padding: 12px 20px; font-size: 1rem; }
  .search-popup-submit { width: 40px; height: 40px; font-size: .9rem; }
  .header-action-btn { padding: 6px 12px; font-size: .75rem; }
  .mobile-menu { width: 100%; right: -100%; }
  .header-action-btn i { display: none; }
  .navbar-brand img { height: 28px; }
  .mobile-menu-toggle { font-size: 1.25rem; margin-right: 5px; }
  .mobile-menu-header { padding: 15px; }
  .mobile-menu-nav { padding: 15px; }
  .mobile-menu-footer { padding: 12px; }
  .mobile-menu-btn { padding: 10px 15px; font-size: .9rem; }
}
/* هواتف قديمة جداً */
@media (max-width: 380px) {
  .navbar-brand img { height: 26px; }
  .header-action-btn { padding: 5px 10px; font-size: .7rem; }
  .mobile-menu-toggle { font-size: 1.1rem; }
  .header-action-item { margin-right: 8px; }
  .mobile-menu-social a, .mobile-dark-toggle { width: 30px; height: 30px; font-size: .8rem; margin: 0 3px 6px; }
}

/* ======== تحسينات الطباعة ======== */
@media print {
  .main-header, .top-bar, .header-actions, .mobile-menu-wrapper, .search-popup { display: none !important; }
  main { margin-top: 0 !important; }
  body { color: #000; background: #fff; }
  a { text-decoration: underline; color: #000; }
}

/* ======== دعم المتصفحات القديمة ======== */
@supports not (backdrop-filter: blur(5px)) {
  .mobile-menu-wrapper, .search-popup { background-color: rgba(0,0,0,.8); }
}

/* ======== تحسينات إمكانية الوصول ======== */
.nav-link:focus, .dropdown-item:focus, .header-search-btn:focus, .header-action-btn:focus,
.mobile-menu-toggle:focus, .mobile-menu-close:focus, .search-popup-close:focus,
.search-popup-input:focus, .search-popup-submit:focus, .color-mode-toggle:focus {
  outline: 2px solid rgba(74,108,247,.5); outline-offset: 2px;
}
[data-bs-theme="dark"] .nav-link:focus, [data-bs-theme="dark"] .dropdown-item:focus,
[data-bs-theme="dark"] .header-search-btn:focus, [data-bs-theme="dark"] .header-action-btn:focus,
[data-bs-theme="dark"] .mobile-menu-toggle:focus, [data-bs-theme="dark"] .mobile-menu-close:focus,
[data-bs-theme="dark"] .search-popup-close:focus, [data-bs-theme="dark"] .search-popup-input:focus,
[data-bs-theme="dark"] .search-popup-submit:focus, [data-bs-theme="dark"] .color-mode-toggle:focus {
  outline-color: rgba(255,255,255,.5);
}

/* ======== تقليل الحركة ======== */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .nav-link::before { transition: none !important; }
  .search-popup-close:hover { transform: none; }
  .top-bar-social a:hover, .mobile-menu-social a:hover, .search-popup-submit:hover { transform: none; }
}

/* ======== تحسينات الأداء ======== */
.nav-item, .dropdown-menu, .mobile-menu { will-change: transform, opacity; }
/* تحسينات تحميل الصفحة */
.page-loading { overflow: hidden !important; }