/* =========================================
   متغيرات الهوية البصرية (تم التحديث للكحلي والذهبي الفاخر)
   ========================================= */
:root {
    --kh-primary-dark: #0f2439; /* كحلي داكن فاخر (لون المجلة) */
    --kh-secondary-dark: #1a3652; /* كحلي أفتح قليلاً للفوتر والقوائم */
    --kh-accent-gold: #c5a059; /* لون ذهبي أنيق للتحديدات */
    --kh-bg-cream: #fcfbfa; /* لون كريمي هادئ للنافبار */
    
    --kh-text-light: #cbd5e1;
    --kh-text-lighter: #e2e8f0;
    --kh-text-dark: #475569;
    --kh-border-color: #e5e7eb;
    --kh-alert-red: #ef4444;
    --kh-alert-red-light: #f87171;
    
    --kh-font-main: 'Cairo', 'Tajawal', 'Segoe UI', Tahoma, sans-serif;
    --kh-transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* =========================================
   1. الإجراءات العلوية للمستخدم (Top User Actions)
   ========================================= */
.khwarizmi-top-user-actions {
    display: flex !important;
    justify-content: flex-end !important; 
    padding: 8px 20px;
    background-color: var(--kh-primary-dark); 
    width: 100%;
    box-sizing: border-box;
}

.khwarizmi-top-user-actions .pkp_navigation_user_wrapper,
.khwarizmi-top-user-actions .pkp_navigation_user {
    margin-right: auto !important; 
    margin-left: 0 !important;
    display: flex !important;
    align-items: center;
    padding: 0;
}

.khwarizmi-top-user-actions .pkp_navigation_user li {
    list-style: none !important;
    margin: 0 5px !important;
}

.khwarizmi-top-user-actions .pkp_navigation_user li a {
    color: var(--kh-text-light) !important;
    font-size: 0.85rem !important;
    text-decoration: none !important;
    padding: 4px 10px;
    transition: var(--kh-transition-smooth);
    font-family: var(--kh-font-main);
}

.khwarizmi-top-user-actions .pkp_navigation_user li a:hover {
    color: var(--kh-accent-gold) !important;
}

/* =========================================
   2. تنسيقات الهيدر والبانر
   ========================================= */
.khwarizmi-main-header-wrapper {
    background-color: var(--kh-primary-dark) !important;
    padding: 0;
    margin: 0;
    border-bottom: none;
}

.khwarizmi-fullwidth-banner {
    width: 100%;
    display: block;
    line-height: 0;
}

.banner-link {
    display: block;
    width: 100%;
}

.khwarizmi-banner-img {
    width: 100%;
    height: auto;
    object-fit: cover;
    max-height: 350px;
    display: block;
}

/* =========================================
   3. شريط التنقل الرئيسي (الإصدار الاحترافي 2026)
   ========================================= */
/* =========================================
   النسخة النهائية: شريط التنقل (Khwarizmi 2026)
   ========================================= */

/* متغيرات الهوية البصرية */
:root {
    --kh-primary-dark: #0f2439;
    --kh-secondary-dark: #1a3652;
    --kh-accent-gold: #c5a059;
    --kh-bg-cream: #fcfbfa;
    --kh-transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --kh-font-main: 'Cairo', 'Tajawal', 'Segoe UI', Tahoma, sans-serif;
}

/* 1. Navbar - الحاوية */
.khwarizmi-navbar {
    position: sticky;
    top: 0;
    z-index: 999;
    background: rgba(252, 251, 250, .97) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 3px solid var(--kh-accent-gold);
    box-shadow: 0 8px 24px rgba(15, 36, 57, .08);
    transition: var(--kh-transition-smooth);
    direction: rtl;
    font-family: var(--kh-font-main);
}

.khwarizmi-navbar .pkp_navigation_primary_wrapper {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 25px;
    max-width: 1320px;
    min-height: 72px;
    margin: auto;
    padding: 0 24px;
}

/* 2. كسر قيود OJS الافتراضية */
.khwarizmi-navbar .pkp_navigation_primary,
.khwarizmi-navbar .pkp_navigation_primary > ul,
.khwarizmi-navbar .pkp_navigation_primary .khwarizmi-nav-list {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    flex: 1 1 auto !important;
    width: auto !important;
    max-width: none !important;
    min-width: 0 !important;
    float: none !important;
    clear: none !important;
    margin: 0 !important;
    padding: 0 !important;
    list-style: none !important;
    white-space: nowrap !important;
    flex-wrap: nowrap !important;
    overflow: visible !important;
}

.khwarizmi-navbar .pkp_navigation_primary li {
    display: flex !important;
    align-items: center !important;
    float: none !important;
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
}

/* 3. القائمة والروابط */
.khwarizmi-nav-list {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin: 0;
    padding: 0;
    list-style: none;
    flex-wrap: nowrap;
    white-space: nowrap;
}

.khwarizmi-nav-list > li {
    position: relative;
    display: flex;
    align-items: center;
    flex: 0 0 auto;
}

.khwarizmi-nav-list > li > a {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 18px;
    color: var(--kh-primary-dark) !important;
    text-decoration: none;
    font-size: 15px;
    font-weight: 700;
    border-radius: 10px;
    transition: var(--kh-transition-smooth);
    position: relative;
    overflow: hidden;
}

/* تأثيرات التمرير */
.khwarizmi-nav-list > li > a::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(197, 160, 89, .08);
    opacity: 0;
    border-radius: inherit;
    transition: .3s;
}

.khwarizmi-nav-list > li > a::after {
    content: "";
    position: absolute;
    bottom: 6px;
    right: 50%;
    width: 0;
    height: 3px;
    border-radius: 50px;
    background: var(--kh-accent-gold);
    transition: .3s;
}

.khwarizmi-nav-list > li > a:hover {
    color: var(--kh-accent-gold) !important;
    transform: translateY(-2px);
}

.khwarizmi-nav-list > li > a:hover::before { opacity: 1; }
.khwarizmi-nav-list > li > a:hover::after { width: 72%; right: 14%; }

/* العنصر النشط */
.khwarizmi-nav-list > .current > a,
.khwarizmi-nav-list > .active > a {
    color: var(--kh-accent-gold) !important;
    background: rgba(197, 160, 89, .08);
}

.khwarizmi-nav-list > .current > a::after,
.khwarizmi-nav-list > .active > a::after { width: 72%; right: 14%; }

/* 4. Dropdown */
.khwarizmi-dropdown {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    min-width: 260px;
    margin: 0;
    padding: 10px 0;
    list-style: none;
    background: #fff;
    border: 1px solid rgba(0,0,0,.06);
    border-top: 3px solid var(--kh-accent-gold);
    border-radius: 14px;
    box-shadow: 0 20px 45px rgba(15,36,57,.12);
    opacity: 0;
    visibility: hidden;
    transform: translateY(15px);
    transition: .28s;
    z-index: 9999;
}

.khwarizmi-dropdown::before {
    content: "";
    position: absolute;
    top: -15px;
    right: 0;
    width: 100%;
    height: 15px;
}

.khwarizmi-nav-list .has-dropdown:hover > .khwarizmi-dropdown,
.khwarizmi-nav-list .has-dropdown:focus-within > .khwarizmi-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.khwarizmi-dropdown li { display: block !important; }
.khwarizmi-dropdown li a {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 12px 22px;
    color: var(--kh-primary-dark) !important;
    font-size: 14px;
    font-weight: 600;
    transition: .25s;
}

.khwarizmi-dropdown li a::after { display: none; }
.khwarizmi-dropdown li a:hover {
    background: rgba(197, 160, 89, .08);
    color: var(--kh-accent-gold) !important;
    padding-right: 30px;
}

/* سهم القائمة */
.has-dropdown > a::before {
    content: "▼";
    font-size: 9px;
    margin-inline-start: 8px;
    opacity: .65;
    transition: .25s;
}
.has-dropdown:hover > a::before { transform: rotate(180deg); opacity: 1; }

/* 5. زر البحث */
.khwarizmi-search-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 11px 22px;
    border: none;
    border-radius: 50px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
    color: #fff !important;
    background: linear-gradient(135deg, var(--kh-primary-dark), var(--kh-secondary-dark)) !important;
    box-shadow: 0 6px 18px rgba(15,36,57,.18);
    transition: var(--kh-transition-smooth);
}

.khwarizmi-search-btn:hover {
    color: #fff !important;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(15,36,57,.25);
}

/* 6. استجابة الهاتف (Responsive Fix) */
@media (max-width: 992px) {
    .khwarizmi-nav-list {
        white-space: normal !important;
        flex-direction: column;
        align-items: flex-start !important;
    }
    .khwarizmi-navbar .pkp_navigation_primary_wrapper {
        flex-direction: column;
        padding: 15px;
    }
}
/* =========================================
   4. زر "لوحة التحكم" وعداد الإشعارات
   ========================================= */
.khwarizmi-dashboard-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.khwarizmi-dashboard-text {
    font-weight: 600;
}

.khwarizmi-task-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--kh-alert-red-light), var(--kh-alert-red));
    color: #ffffff !important;
    font-size: 0.75rem;
    font-weight: bold;
    min-width: 22px;
    height: 22px;
    padding: 0 6px;
    border-radius: 50px;
    box-shadow: 0 2px 6px rgba(239, 68, 68, 0.4);
    line-height: 1;
    transition: transform 0.2s ease;
}

.khwarizmi-dashboard-item:hover .khwarizmi-task-badge {
    transform: scale(1.1);
}

.khwarizmi-task-badge:empty,
.khwarizmi-task-badge[style*="display: none"] {
    display: none !important;
}

/* =========================================
   5. مسار التنقل (Breadcrumbs)
   ========================================= */
.khwarizmi-breadcrumbs {
    background-color: var(--kh-bg-cream);
    border: 1px solid var(--kh-border-color);
    border-right: 4px solid var(--kh-accent-gold);
    border-radius: 6px;
    padding: 12px 20px;
    margin: 20px 0 30px 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
    font-family: var(--kh-font-main);
    direction: rtl;
}

.khwarizmi-breadcrumb-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
}

.khwarizmi-breadcrumb-item {
    display: flex;
    align-items: center;
    font-size: 0.95rem;
    color: var(--kh-text-dark);
}

.khwarizmi-breadcrumb-link {
    color: var(--kh-text-dark) !important;
    text-decoration: none;
    font-weight: 500;
    transition: var(--kh-transition-smooth);
    display: flex;
    align-items: center;
    gap: 6px;
}

.khwarizmi-breadcrumb-link:hover,
.khwarizmi-breadcrumb-link:hover .home-icon {
    color: var(--kh-accent-gold) !important;
}

.home-icon {
    font-size: 1.2rem;
    line-height: 1;
    color: #94a3b8;
    transition: var(--kh-transition-smooth);
}

.khwarizmi-breadcrumb-separator {
    margin: 0 12px;
    color: #94a3b8;
    font-size: 0.9rem;
    user-select: none;
}

.khwarizmi-breadcrumb-current {
    color: var(--kh-primary-dark);
    font-weight: 700;
}

/* =========================================
   6. الفوتر (Footer)
   ========================================= */
.khwarizmi-custom-footer {
    background-color: var(--kh-primary-dark);
    color: var(--kh-text-lighter);
    padding: 60px 20px 30px 20px;
    font-family: var(--kh-font-main);
    direction: rtl;
}

.khwarizmi-custom-footer a {
    color: var(--kh-accent-gold);
    text-decoration: none;
    transition: color 0.3s ease;
}

.khwarizmi-custom-footer a:hover {
    color: #dfbc77; /* ذهبي أفتح عند التمرير */
    text-decoration: underline;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-col {
    display: flex;
    flex-direction: column;
}

.footer-title {
    color: #ffffff;
    font-size: 1.2rem;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--kh-accent-gold);
    padding-bottom: 8px;
    width: fit-content;
}

.footer-desc {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--kh-text-light);
    margin: 0 0 15px 0;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 12px;
}

.issn-container p, .cc-license {
    background: var(--kh-secondary-dark);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.9rem;
    margin: 5px 0;
    border-right: 3px solid var(--kh-accent-gold);
}

.footer-divider {
    border: 0;
    border-top: 1px solid rgba(255,255,255,0.1);
    margin: 40px auto 20px auto;
    max-width: 1200px;
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    font-size: 0.85rem;
    color: var(--kh-text-light);
}

.copyright-text {
    margin-bottom: 10px;
}

/* =========================================
   7. التوافق مع الشاشات (Media Queries)
   ========================================= */

@media (max-width: 992px) {
    .khwarizmi-banner-img {
        max-height: 180px;
    }
    
    .khwarizmi-navbar .pkp_navigation_primary_wrapper {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .khwarizmi-nav-list {
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px;
    }

    .khwarizmi-nav-list li a {
        font-size: 14px;
        padding: 6px 10px;
    }
    
    /* إخفاء الخط المتحرك في الجوال لتجنب المشاكل البصرية */
    .khwarizmi-nav-list li a::after {
        display: none;
    }

    .khwarizmi-dropdown {
        position: relative;
        top: 0;
        box-shadow: none;
        border: none;
        border-right: 3px solid var(--kh-accent-gold);
        border-radius: 0;
        background-color: transparent;
        margin-right: 15px;
        min-width: 100%;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none; 
    }

    .khwarizmi-nav-list .has-dropdown:hover .khwarizmi-dropdown,
    .khwarizmi-nav-list .has-dropdown:focus-within .khwarizmi-dropdown {
        display: block;
    }
}

@media (max-width: 768px) {
    .khwarizmi-top-user-actions {
        justify-content: center !important;
        padding-bottom: 10px;
    }
    
    .khwarizmi-top-user-actions .pkp_navigation_user_wrapper,
    .khwarizmi-top-user-actions .pkp_navigation_user {
        margin-right: 0 !important; 
    }

    .khwarizmi-breadcrumbs {
        padding: 10px 15px;
        margin: 15px 0 25px 0;
    }
    
    .khwarizmi-breadcrumb-item {
        font-size: 0.85rem;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
}