/* ============================================================
   EKTSAB — HEADER.CSS
   هيدر واحد موحّد لكل صفحات المنصة (قبل وبعد تسجيل الدخول).
   نفس اللوجو، نفس المكان، نفس الروابط — الجزء الوحيد اللي
   بيتغير هو منطقة الحساب (dh-actions): زرارين دخول/تسجيل
   للزائر، أو جرس إشعارات + صورة بروفايل للطالب.
   ============================================================ */
 
.dash-header{position:fixed;top:0;left:0;right:0;height:var(--hdr);background:rgba(10,10,10,0.97);backdrop-filter:blur(16px);border-bottom:1px solid rgba(229,31,38,0.2);z-index:999;display:grid;grid-template-columns:auto 1fr auto;align-items:center;padding:0 24px;gap:16px;}
.dh-left{display:flex;align-items:center;gap:2px;flex-shrink:0;}
.dh-logo{height:28px;object-fit:contain;flex-shrink:0;cursor:pointer;margin-left:16px;}
.dh-nav{display:flex;align-items:center;gap:2px;}
.dh-nav a{font-size:13px;font-weight:600;color:rgba(255,255,255,0.55);text-decoration:none;padding:6px 12px;border-radius:var(--radius);transition:all .2s;white-space:nowrap;}
.dh-nav a:hover,.dh-nav a.active{color:var(--white);background:rgba(255,255,255,0.07);}
.dh-search-wrap{position:relative;width:100%;}
.dh-search{width:100%;background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.12);color:var(--white);font-family:'Cairo',sans-serif;font-size:12.5px;padding:8px 16px 8px 36px;outline:none;border-radius:30px;transition:all .25s;direction:rtl;}
.dh-search::placeholder{color:rgba(255,255,255,0.3);}
.dh-search:focus{border-color:rgba(229,31,38,0.6);background:rgba(255,255,255,0.09);box-shadow:0 0 0 3px rgba(229,31,38,0.12);}
.dh-search-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:rgba(255,255,255,0.35);pointer-events:none;}
.dh-search-icon svg{width:16px;height:16px;fill:currentColor;}
.dh-actions{display:flex;align-items:center;gap:8px;flex-shrink:0;}
.dh-notif{position:relative;width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,0.07);border:1px solid rgba(255,255,255,0.1);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s;}
.dh-notif:hover{border-color:rgba(229,31,38,0.4);background:rgba(229,31,38,0.1);}
.dh-notif svg{width:16px;height:16px;fill:rgba(255,255,255,0.7);}
.notif-badge{position:absolute;top:-3px;right:-3px;width:16px;height:16px;background:var(--red);border-radius:50%;font-size:9px;font-weight:900;display:flex;align-items:center;justify-content:center;border:2px solid var(--black);}
.dh-avatar{width:36px;height:36px;border-radius:50%;background:var(--red-d);border:2px solid rgba(229,31,38,0.5);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;cursor:pointer;overflow:hidden;flex-shrink:0;}
.dh-avatar img{width:100%;height:100%;object-fit:cover;}
.hdr-burger{display:none;background:none;border:none;cursor:pointer;padding:4px;flex-direction:column;gap:5px;flex-shrink:0;}
.hdr-burger span{width:20px;height:2px;background:var(--white);border-radius:2px;display:block;transition:all .3s;}
.dh-mobile-search-btn{display:none;width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,0.07);border:1px solid rgba(255,255,255,0.1);align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;}
.dh-mobile-search-btn svg{width:15px;height:15px;fill:rgba(255,255,255,0.7);}
 
/* ── منطقة الحساب: القوائم المنسدلة (إشعارات/بروفايل/بحث) — للطالب ── */
.hdr-dropdown{position:absolute;top:calc(100% + 8px);left:0;transform:none;background:var(--black3);border:1px solid rgba(255,255,255,0.1);box-shadow:0 16px 40px rgba(0,0,0,0.7);width:300px;max-width:calc(100vw - 24px);z-index:1000;display:none;border-radius:6px;overflow:hidden;}
.hdr-dropdown.show{display:block;}
.dh-notif-wrap,.dh-avatar-wrap{position:relative;}
.notif-dropdown-item{display:flex;align-items:flex-start;gap:10px;padding:12px 16px;border-bottom:1px solid rgba(255,255,255,0.05);cursor:pointer;transition:background .15s;}
.notif-dropdown-item:hover{background:rgba(255,255,255,0.04);}
.notif-dropdown-item:last-child{border-bottom:none;}
.ndi-icon{font-size:18px;flex-shrink:0;margin-top:1px;}
.ndi-body{flex:1;}
.ndi-text{font-size:12px;font-weight:600;color:rgba(255,255,255,0.85);line-height:1.4;margin-bottom:2px;}
.ndi-time{font-size:11px;color:var(--gray);}
.ndi-dot{width:7px;height:7px;border-radius:50%;background:var(--red-b);flex-shrink:0;margin-top:4px;}
.ndi-dot.read{background:transparent;}
.profile-top{padding:16px;display:flex;align-items:center;gap:12px;border-bottom:1px solid rgba(255,255,255,0.07);}
.profile-avatar-lg{width:44px;height:44px;border-radius:50%;background:var(--red-d);border:2px solid rgba(229,31,38,0.4);display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;flex-shrink:0;}
.profile-name{font-size:14px;font-weight:800;}
.profile-email{font-size:11px;color:var(--gray);margin-top:1px;}
.profile-links{padding:8px 0;}
.profile-link{display:flex;align-items:center;gap:10px;padding:10px 16px;font-size:13px;font-weight:600;color:rgba(255,255,255,0.75);cursor:pointer;transition:all .2s;text-decoration:none;}
.profile-link:hover{background:rgba(255,255,255,0.05);color:var(--white);}
.profile-link svg{width:15px;height:15px;fill:currentColor;opacity:.6;}
.profile-link.logout{color:var(--red-b);border-top:1px solid rgba(255,255,255,0.06);margin-top:4px;}
.profile-link.logout:hover{background:rgba(229,31,38,0.1);}
.lang-btn{background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.1);color:rgba(255,255,255,0.6);font-family:'Cairo',sans-serif;font-size:11px;font-weight:800;padding:4px 10px;cursor:pointer;border-radius:var(--radius);transition:all .2s;}
.lang-btn.active{background:var(--red);border-color:var(--red);color:var(--white);}
.lang-btn:hover:not(.active){color:var(--white);border-color:rgba(229,31,38,0.4);}
.dash-search-dropdown{position:absolute;top:calc(100% + 8px);right:0;left:0;background:var(--black3);border:1px solid rgba(255,255,255,0.1);box-shadow:0 16px 40px rgba(0,0,0,0.7);z-index:1000;display:none;max-height:360px;overflow-y:auto;}
.dash-search-dropdown.show{display:block;}
.dsd-section{padding:8px 0;}
.dsd-section-label{font-size:10px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--gray);padding:4px 14px 6px;}
.dsd-item{display:flex;align-items:center;gap:10px;padding:10px 14px;cursor:pointer;transition:background .15s;}
.dsd-item:hover{background:rgba(255,255,255,0.05);}
.dsd-badge{font-size:9px;font-weight:800;padding:2px 7px;flex-shrink:0;border-radius:20px;}
.dsd-badge.live{background:rgba(229,31,38,0.2);color:var(--red-b);}
.dsd-badge.soon{background:rgba(255,255,255,0.08);color:var(--gray);}
.dsd-info{flex:1;}
.dsd-title{font-size:13px;font-weight:600;color:rgba(255,255,255,0.88);}
.dsd-sub{font-size:11px;color:var(--gray);margin-top:1px;}
.dsd-empty{padding:20px;text-align:center;font-size:13px;color:var(--gray);}
.profile-avatar-img{width:44px;height:44px;border-radius:50%;object-fit:cover;border:2px solid rgba(229,31,38,0.4);}
.avatar-subscribe-btn{display:block;margin:10px 16px;background:var(--red);color:var(--white);text-align:center;padding:9px;font-family:'Cairo',sans-serif;font-size:13px;font-weight:800;text-decoration:none;border-radius:var(--radius);}
.avatar-subscribe-btn:hover{background:var(--red-b);}
 
/* ── منطقة الحساب: زراير الزائر (تسجيل الدخول / إنشاء حساب) ── */
.lang-btn-group{display:flex;align-items:center;gap:4px;margin-left:4px;}
.dh-guest-login{color:rgba(255,255,255,0.75);border:1px solid rgba(255,255,255,0.15);padding:8px 18px;font-family:'Cairo',sans-serif;font-weight:600;font-size:13px;border-radius:8px;transition:all .2s ease;text-decoration:none;background:transparent;}
.dh-guest-login:hover{border-color:var(--red);color:var(--white);background:rgba(229,31,38,0.08);}
.dh-guest-signup{background:var(--red);color:var(--white);padding:8px 20px;font-family:'Cairo',sans-serif;font-weight:700;font-size:13px;border-radius:8px;transition:all .2s ease;text-decoration:none;}
.dh-guest-signup:hover{background:var(--red-b);}
 
/* ── الاستجابة ── */
@media(max-width:900px){
  .dh-nav,.dh-left .dh-nav{display:none;}
  .dash-header{grid-template-columns:auto 1fr auto;padding:0 16px;gap:10px;}
  .hdr-burger{display:flex;}
  .dh-guest-login,.dh-guest-signup,#langSwitchGuest{display:none;}
}
@media(max-width:640px){
  :root{--hdr:54px;}
  .dash-header{display:flex;justify-content:space-between;align-items:center;padding:0 16px;height:54px;}
  .dh-left{flex:1;display:flex;align-items:center;gap:10px;}
  .dh-logo{height:24px;margin-left:0;}
  .dh-search-wrap{display:none;position:fixed;top:var(--hdr);left:12px;right:12px;margin-top:8px;padding:0;background:transparent;width:auto;z-index:1000;}
  .dh-search-wrap.mobile-open{display:block;}
  .dh-search-wrap.mobile-open .dh-search{background:rgba(20,20,20,0.55);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,0.18);box-shadow:0 12px 30px rgba(0,0,0,0.5);}
  .dh-actions{display:flex;align-items:center;gap:8px;}
  .dh-mobile-search-btn{display:flex;}
  #profileDrop{position:fixed;top:var(--hdr);left:12px;right:12px;margin-top:8px;width:auto;max-width:none;max-height:calc(100vh - var(--hdr) - 24px);overflow-y:auto;}
  .dh-guest-login,.dh-guest-signup{padding:7px 14px;font-size:12px;}
}
 
/* ============================================================
   إضافات — ميجا مينيو "مسارات التعليم" + مينيو الموبايل للزائر
   (منقولة من header.js القديم، بنفس متغيرات التصميم الحالية)
   ============================================================ */
 
/* ── Mega Dropdown (Desktop) ── */
.nav-mega-wrap{position:relative;}
.nav-mega-wrap > a{display:flex;align-items:center;gap:5px;}
.nav-mega-wrap > a::after{content:'▾';font-size:10px;color:rgba(255,255,255,0.4);transition:transform .2s;display:inline-block;}
.mega-dropdown{display:none;position:absolute;top:100%;right:0;padding-top:10px;z-index:1000;}
.mega-dropdown::before{content:'';position:absolute;top:0;left:0;right:0;height:10px;}
.mega-panel{background:var(--black3);border:1px solid rgba(229,31,38,0.25);border-radius:10px;min-width:210px;box-shadow:0 20px 60px rgba(0,0,0,0.6);backdrop-filter:blur(14px);overflow:visible;padding:6px 0;}
.nav-mega-wrap:hover .mega-dropdown{display:block;}
.mega-section-item{position:relative;}
.mega-section-trigger{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;font-weight:700;color:rgba(255,255,255,0.85);padding:10px 18px;cursor:default;transition:all .15s;user-select:none;}
.mega-section-trigger::after{content:'›';font-size:15px;color:rgba(229,31,38,0.6);}
.mega-section-trigger:hover{color:var(--white);background:rgba(229,31,38,0.1);}
.mega-submenu{display:none;position:absolute;top:-6px;right:calc(100% + 1px);left:auto;background:var(--black3);border:1px solid rgba(229,31,38,0.25);border-radius:10px;min-width:200px;box-shadow:0 20px 60px rgba(0,0,0,0.6);backdrop-filter:blur(14px);padding:6px 0;z-index:1001;}
.mega-section-item:hover .mega-submenu{display:block;}
.mega-submenu a{display:block;font-size:13px;color:rgba(255,255,255,0.7);text-decoration:none;padding:9px 18px;transition:all .15s;white-space:nowrap;}
.mega-submenu a:hover{color:var(--white);background:rgba(229,31,38,0.12);}
.mega-divider{height:1px;background:rgba(255,255,255,0.06);margin:4px 0;}
 
/* ── Mobile Menu (Guest) ── */
.mobile-menu{display:none;position:fixed;top:var(--hdr);left:0;right:0;background:rgba(10,10,10,0.98);border-bottom:1px solid rgba(255,255,255,0.1);padding:0 20px 16px;z-index:998;flex-direction:column;max-height:calc(100vh - var(--hdr));overflow-y:auto;}
.mobile-menu.open{display:flex;}
.mobile-menu a{font-size:15px;font-weight:600;color:rgba(255,255,255,0.75);text-decoration:none;padding:13px 0;border-bottom:1px solid rgba(255,255,255,0.06);display:block;}
.mobile-menu a:last-child{border-bottom:none;}
.mobile-menu a.nav-highlight{color:var(--red-b);font-weight:800;}
.m-divider{height:1px;background:rgba(229,31,38,0.3);margin:8px 0;}
.m-login{color:rgba(255,255,255,0.55) !important;font-size:14px !important;}
.m-join{color:var(--red-b) !important;font-weight:800 !important;}
.m-lang-row{display:flex;align-items:center;justify-content:space-between;padding:13px 0;border-bottom:1px solid rgba(255,255,255,0.06);}
.m-lang-row span{font-size:15px;font-weight:600;color:rgba(255,255,255,0.75);}
.m-lang-row .lang-btn-group{margin-left:0;}
 
.mobile-search-wrap{position:relative;margin-bottom:10px;padding-bottom:10px;border-bottom:1px solid rgba(255,255,255,0.06);}
.mobile-search-input{width:100%;background:rgba(255,255,255,0.07);border:1px solid rgba(255,255,255,0.12);color:var(--white);font-family:'Cairo',sans-serif;font-size:14px;padding:10px 38px 10px 14px;outline:none;border-radius:var(--radius);direction:rtl;}
.mobile-search-input::placeholder{color:rgba(255,255,255,0.3);}
.mobile-search-input:focus{border-color:rgba(229,31,38,0.5);}
.mobile-search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);pointer-events:none;color:rgba(255,255,255,0.4);}
 
/* ── Mobile Mega Accordion (داخل mobile-menu) ── */
.m-mega-item{border-bottom:1px solid rgba(255,255,255,0.06);}
.m-mega-trigger{display:flex;justify-content:space-between;align-items:center;font-size:15px;font-weight:600;color:rgba(255,255,255,0.75);padding:13px 0;cursor:pointer;user-select:none;}
.m-mega-trigger .m-arr{font-size:12px;color:rgba(255,255,255,0.35);transition:transform .25s;}
.m-mega-item.open > .m-mega-trigger .m-arr{transform:rotate(180deg);}
.m-mega-body{display:none;padding-bottom:4px;}
.m-mega-item.open > .m-mega-body{display:block;}
.m-mega-sub-item{border-top:1px solid rgba(255,255,255,0.04);}
.m-mega-sub-trigger{display:flex;justify-content:space-between;align-items:center;font-size:13px;font-weight:700;color:var(--red-b);padding:10px 12px;cursor:pointer;user-select:none;border-radius:var(--radius);transition:background .15s;}
.m-mega-sub-trigger:hover{background:rgba(229,31,38,0.08);}
.m-mega-sub-trigger .m-sub-arr{font-size:10px;color:rgba(255,255,255,0.3);transition:transform .2s;}
.m-mega-sub-item.open .m-sub-arr{transform:rotate(180deg);}
.m-mega-sub-body{display:none;}
.m-mega-sub-item.open .m-mega-sub-body{display:block;}
.m-mega-sub-links{list-style:none;padding:0 0 6px 0;margin:0;}
.m-mega-sub-links li a{display:block;font-size:13px;color:rgba(255,255,255,0.6);text-decoration:none;padding:7px 20px;border-radius:var(--radius);transition:all .15s;border-bottom:none;}
.m-mega-sub-links li a:hover{color:var(--white);background:rgba(229,31,38,0.1);}