@font-face{font-family:'Cairo';font-style:normal;font-weight:200 900;font-display:swap;src:url('/admin/assets/fonts/cairo/cairo-v31-arabic.woff2') format('woff2')}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:82px}
body{font-family:'Cairo',system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#fff;color:#1e293b;line-height:1.7;min-height:100vh;display:flex;flex-direction:column;-webkit-font-smoothing:antialiased}
button,input,textarea,select{font:inherit}
a{text-decoration:none;color:inherit}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 1rem}@media(min-width:640px){.container{padding:0 1.5rem}}@media(min-width:1024px){.container{padding:0 2rem}}
.dark body{background:#080C1A;color:#e2e8f0}.dark .header,.dark .footer{background:#080C1A}.dark .concept-body{background:#0F172A}.dark .concept-card,.dark .faq-section,.dark .concept-link-card,.dark .toc-card,.dark .concept-section{background:#1E293B;border-color:#334155}.dark .concept-card h2,.dark .faq-section h2,.dark .concept-section-title,.dark .concept-link-card h3,.dark .info-block h3,.dark .quote-box h2,.dark .content-block h2,.dark .toc-card strong{color:#F8FAFC}.dark .concept-card p,.dark .faq-answer p,.dark .concept-link-card p,.dark .concept-section-desc{color:#cbd5e1}.dark .tags span{background:#0f172a;border-color:#334155;color:#cbd5e1}.dark .search-wrap input{background:#1E293B;border-color:#334155;color:#e5e7eb}.dark .toc-card a{background:#0F172A;border-color:#334155;color:#cbd5e1}.dark .toc-card a:hover{background:#172033;color:#fff;border-color:#6366F1}
.header{background:#0F172A;position:sticky;top:0;z-index:50;border-bottom:1px solid rgba(255,255,255,.05);transition:background-color .3s ease}.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}.logo{display:flex;align-items:center;gap:10px;text-decoration:none}.logo-icon{width:36px;height:36px;background:#6366F1;border-radius:8px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 14px rgba(99,102,241,.3)}.logo-icon svg{width:20px;height:20px;color:#fff}.logo-text{color:#fff;font-weight:700;font-size:1.5rem;letter-spacing:-.025em}.desktop-nav{display:none;align-items:center;flex:1}.nav-links-center{display:flex;align-items:center;gap:2px;flex:1;justify-content:center}.nav-controls{display:flex;align-items:center}@media(min-width:1024px){.desktop-nav{display:flex}}.nav-link{color:#fff;text-decoration:none;padding:8px 10px;font-size:.875rem;font-weight:500;transition:color .2s ease;display:flex;align-items:center;gap:4px;background:none;border:none;cursor:pointer;font-family:inherit}.nav-link:hover{color:#d1d5db}.dropdown-wrap{position:relative}.dropdown-menu{position:absolute;top:100%;margin-top:4px;background:#1E293B;border-radius:12px;box-shadow:0 25px 50px -12px rgba(0,0,0,.4);border:1px solid rgba(255,255,255,.1);overflow:hidden;z-index:50;opacity:0;transform:translateY(-8px);visibility:hidden;transition:opacity .2s ease,transform .2s ease,visibility .2s ease}.dropdown-wrap:hover .dropdown-menu,.dropdown-wrap.open .dropdown-menu{opacity:1;transform:translateY(0);visibility:visible}.dropdown-chevron{transition:transform .2s ease}.dropdown-wrap:hover .dropdown-chevron,.dropdown-wrap.open .dropdown-chevron{transform:rotate(180deg)}.cat-dropdown{right:0;width:224px}.lang-dropdown{left:0;width:176px}.lang-item{width:100%;display:flex;align-items:center;gap:12px;padding:12px 16px;font-size:.875rem;font-weight:500;transition:background .2s ease;cursor:pointer;border:none;background:none;font-family:inherit;text-align:right}.lang-item:hover{background:rgba(255,255,255,.1)}.lang-item.active{color:#6366F1;background:rgba(255,255,255,.05)}.lang-item:not(.active){color:#d1d5db}.lang-flag{font-size:1.125rem}.lang-check{margin-right:auto;width:16px;height:16px;color:#6366F1}.cat-item{display:flex;align-items:center;gap:12px;padding:10px 16px;font-size:.875rem;font-weight:500;color:#d1d5db;text-decoration:none;transition:background .2s ease,color .2s ease}.cat-item:hover{background:rgba(255,255,255,.1);color:#fff}.cat-item-icon{width:28px;height:28px;border-radius:8px;display:flex;align-items:center;justify-content:center}.cat-item-icon svg{width:14px;height:14px;color:#fff}.dark-toggle{display:flex;align-items:center;gap:6px;color:#fff;padding:8px 10px;font-size:.875rem;font-weight:500;transition:color .2s ease;cursor:pointer;background:none;border:none;font-family:inherit}.dark-toggle:hover{color:#6366F1}.dark-toggle svg{width:16px;height:16px}.mobile-controls{display:flex;align-items:center;gap:4px}@media(min-width:1024px){.mobile-controls{display:none}}.mobile-btn{color:#fff;padding:8px;background:none;border:none;cursor:pointer}.mobile-btn svg{width:20px;height:20px}.mobile-btn.hamburger svg{width:24px;height:24px}.mobile-lang-dropdown{left:0;width:160px}.mobile-lang-item{width:100%;display:flex;align-items:center;gap:12px;padding:10px 16px;font-size:.875rem;font-weight:500;transition:background .2s ease;cursor:pointer;border:none;background:none;font-family:inherit;text-align:right;color:#d1d5db}.mobile-lang-item:hover{background:rgba(255,255,255,.1)}.mobile-lang-item.active{color:#6366F1;background:rgba(255,255,255,.05)}.mobile-menu{display:none;border-top:1px solid rgba(255,255,255,.1);padding:16px 0}.mobile-menu.open{display:block}.mobile-menu a{display:block;color:#fff;text-decoration:none;padding:10px 12px;font-size:.875rem;font-weight:500;transition:color .2s ease}.mobile-menu a:hover{color:#d1d5db}
.concept-hero{background:#192746;color:#fff;text-align:center;padding:38px 0 32px;position:relative;overflow:hidden}.concept-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 18% 85%,rgba(255,255,255,.06),transparent 42%),radial-gradient(circle at 82% 15%,rgba(99,102,241,.18),transparent 35%)}.concept-hero .container{position:relative;z-index:1}.category-breadcrumb{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;margin-bottom:16px;font-size:.82rem;color:rgba(255,255,255,.72)}.category-breadcrumb a{color:#fff;font-weight:700}.concept-badge{display:inline-flex;align-items:center;justify-content:center;padding:7px 13px;border-radius:999px;background:rgba(255,255,255,.14);color:#fff;font-size:.75rem;font-weight:800;margin-bottom:14px}.concept-hero h1{font-size:1.55rem;font-weight:900;line-height:1.4;margin-bottom:10px}.concept-hero p{max-width:720px;margin:0 auto;color:rgba(255,255,255,.82);font-size:.92rem;line-height:1.8}@media(min-width:640px){.concept-hero h1{font-size:2rem}.concept-hero{padding:48px 0 40px}}
.concept-body{background:#F8FAFC;flex:1;padding:36px 0 48px}.concept-layout{direction:ltr;display:grid;grid-template-columns:minmax(200px,20%) minmax(0,1fr);grid-template-areas:"toc main";gap:22px;align-items:stretch;max-width:1200px}.concept-main{grid-area:main;direction:rtl;min-width:0}.toc-aside{grid-area:toc;direction:rtl;min-width:0;align-self:stretch}.toc-card{position:sticky;top:84px;background:rgba(255,255,255,.96);border:1px solid #E2E8F0;border-radius:16px;padding:14px;box-shadow:0 18px 42px rgba(15,23,42,.14);z-index:5}.toc-card strong{display:block;color:#1e293b;font-size:.92rem;font-weight:900;margin-bottom:10px;text-align:center}.toc-card a{display:flex;align-items:center;justify-content:center;gap:8px;background:#F8FAFC;border:1px solid #E2E8F0;border-radius:11px;color:#475569;font-size:.82rem;font-weight:800;padding:9px 10px;margin-top:8px;text-align:center;transition:.2s}.toc-card a::before{display:none}.toc-card a:hover{background:#EEF2FF;color:#4338CA;border-color:#C7D2FE;transform:translateY(-1px)}.concept-card,.faq-section{background:#fff;border:1px solid #E2E8F0;border-radius:18px;padding:22px;box-shadow:0 4px 14px rgba(15,23,42,.04);margin-bottom:22px}.article-kicker{display:inline-flex;color:#6366F1;background:#EEF2FF;border:1px solid #C7D2FE;border-radius:999px;padding:5px 11px;font-size:.76rem;font-weight:900;margin-bottom:14px}.concept-card h2,.faq-section h2{font-size:1.2rem;font-weight:900;color:#1e293b;margin-bottom:14px}.concept-card p{color:#475569;font-size:.95rem;line-height:1.95;margin:0;text-align:right}.concept-card a{color:#4f46e5;font-weight:900}.concept-card a:hover{text-decoration:underline}
.quote-box{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start;background:linear-gradient(135deg,#EEF2FF,#F8FAFC);border:1px solid #C7D2FE;border-right:5px solid #6366F1;border-radius:18px;padding:18px;margin-bottom:16px;box-shadow:0 10px 24px rgba(99,102,241,.08)}.quote-icon{width:46px;height:46px;border-radius:14px;background:#6366F1;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 20px rgba(99,102,241,.25)}.quote-icon svg{width:24px;height:24px}.quote-box h2,.content-block h2{margin:0;color:#1e293b;font-size:1.05rem;font-weight:900}.quote-box p{font-size:1rem;color:#334155;line-height:1.9;margin-top:4px}
.content-block{position:relative;overflow:hidden;border:1px solid #E2E8F0;border-radius:16px;padding:18px;margin-top:14px;transition:transform .2s ease,box-shadow .2s ease}.content-block:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(15,23,42,.07)}.content-block::after{content:"";position:absolute;left:-42px;bottom:-54px;width:135px;height:135px;border-radius:50%;opacity:.16}.block-head{display:flex;align-items:center;gap:10px;margin-bottom:12px}.block-head span{width:38px;height:38px;border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;flex:0 0 auto}.block-head svg{width:20px;height:20px}.block-work{background:#F0FDFA;border-color:#99F6E4}.block-work .block-head span{background:#14B8A6}.block-work::after{background:#14B8A6}.block-uses{background:#ECFDF5;border-color:#A7F3D0}.block-uses .block-head span{background:#10B981}.block-uses::after{background:#10B981}.block-tool{background:#FFF7ED;border-color:#FED7AA}.block-tool .block-head span{background:#F59E0B}.block-tool::after{background:#F59E0B}.block-related{background:#FDF2F8;border-color:#FBCFE8}.block-related .block-head span{background:#EC4899}.block-related::after{background:#EC4899}.smart-list{display:grid;gap:9px;list-style:none;padding:0;margin:0}.smart-list li{position:relative;background:rgba(255,255,255,.72);border:1px solid rgba(226,232,240,.9);border-radius:12px;padding:10px 34px 10px 12px;color:#334155;font-size:.92rem;line-height:1.75}.smart-list li::before{content:"";position:absolute;right:13px;top:18px;width:8px;height:8px;border-radius:50%;background:#6366F1}.uses-list{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.mini-code{direction:ltr;text-align:left;background:#0F172A;color:#e2e8f0;border-radius:12px;padding:13px 14px;margin-top:12px;overflow:auto;font-size:.86rem}.keyword-strip{display:flex;gap:8px;flex-wrap:wrap;margin-top:13px}.keyword-strip span{background:rgba(255,255,255,.65);border:1px solid rgba(226,232,240,.9);color:#475569;border-radius:999px;padding:5px 10px;font-size:.76rem;font-weight:800}.related-concepts{display:grid;grid-template-columns:repeat(auto-fit,minmax(185px,1fr));gap:10px}.related-concept-card{position:relative;z-index:1;background:rgba(255,255,255,.78);border:1px solid rgba(226,232,240,.95);border-radius:13px;padding:12px;transition:.2s}.related-concept-card:hover{transform:translateY(-2px);border-color:#EC4899}.related-concept-card span{display:block;color:#1e293b;font-weight:900;font-size:.88rem;line-height:1.5}.related-concept-card small{color:#64748b;font-size:.72rem}.dark .quote-box,.dark .content-block{background:#172033;border-color:#334155}.dark .quote-box p,.dark .smart-list li,.dark .keyword-strip span,.dark .related-concept-card span{color:#e2e8f0}.dark .smart-list li,.dark .keyword-strip span,.dark .related-concept-card{background:#0F172A;border-color:#334155}.dark .related-concept-card small{color:#94a3b8}.tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.tags span{border:1px solid #E2E8F0;background:#F8FAFC;color:#334155;border-radius:999px;padding:6px 11px;font-size:.78rem;font-weight:800}
.index-tools{display:grid;grid-template-columns:1fr;gap:12px;margin-top:22px}.search-wrap{position:relative;max-width:640px;margin:22px auto 0}.search-wrap input{width:100%;background:#fff;border:1px solid #E2E8F0;border-radius:14px;padding:14px 18px;font:inherit;color:#1e293b;outline:none}.search-wrap input:focus{border-color:#6366F1;box-shadow:0 0 0 4px rgba(99,102,241,.12)}.concept-sections{display:grid;gap:22px}.concept-section{background:#fff;border:1px solid #E2E8F0;border-radius:18px;padding:18px;box-shadow:0 4px 14px rgba(15,23,42,.04)}.concept-section-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:14px}.concept-section-title{font-size:1.15rem;font-weight:900;color:#1e293b;margin:0}.concept-section-desc{font-size:.84rem;line-height:1.8;color:#64748b;margin-top:3px}.concept-section-count{display:inline-flex;align-items:center;justify-content:center;background:#EEF2FF;color:#4f46e5;border:1px solid #C7D2FE;border-radius:999px;padding:5px 11px;font-size:.74rem;font-weight:900}.concept-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}.concept-link-card{background:#fff;border:1px solid #E2E8F0;border-radius:14px;padding:16px;transition:.22s;color:#1e293b}.concept-link-card:hover{transform:translateY(-2px);border-color:#6366F1;box-shadow:0 8px 20px rgba(15,23,42,.06)}.concept-link-card small{display:inline-flex;color:#6366F1;background:#EEF2FF;padding:4px 9px;border-radius:999px;font-weight:800;font-size:.68rem;margin-bottom:8px}.concept-link-card h3{font-size:.98rem;font-weight:900;line-height:1.5;margin-bottom:6px}.concept-link-card p{font-size:.78rem;color:#64748b;line-height:1.7}
.faq-list{display:flex;flex-direction:column;gap:10px}.faq-item{border:1px solid #E2E8F0;border-radius:12px;background:#fff;overflow:hidden}.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;background:none;border:0;color:#1e293b;font-family:inherit;font-size:.92rem;font-weight:800;text-align:right;cursor:pointer}.faq-question:hover{background:#F8FAFC}.faq-question svg{width:20px;height:20px;color:#10B981;transition:transform .25s;flex-shrink:0}.faq-answer{max-height:0;overflow:hidden;transition:max-height .25s ease,padding .25s ease;color:#64748b}.faq-answer p{padding:0 16px 14px;font-size:.9rem;line-height:1.85}.faq-item.open .faq-answer{max-height:320px}.faq-item.open .faq-question svg{transform:rotate(180deg)}.dark .faq-item{background:#0F172A;border-color:#334155}.dark .faq-question{color:#E2E8F0}.dark .faq-question:hover{background:#172033}.dark .faq-question svg{color:#34D399}.dark .faq-answer{color:#CBD5E1}
.footer{background:#0F172A;transition:background-color .3s ease;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.footer-inner{padding:40px 1rem}@media(min-width:640px){.footer-inner{padding:48px 1.5rem}}@media(min-width:1024px){.footer-inner{padding:48px 2rem}}.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}@media(min-width:1024px){.footer-grid{grid-template-columns:repeat(4,1fr);gap:48px}}.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px}.footer-logo .logo-text,.footer-col-title{font-family:'Cairo',system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.footer-desc{color:#CBD5E1;font-size:.875rem;line-height:1.625;margin-bottom:20px}.footer-social{display:flex;align-items:center;gap:12px}.footer-social a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;transition:background .2s ease;text-decoration:none}.footer-social a:hover{background:#6366F1}.footer-social a svg{width:16px;height:16px;color:#fff}.footer-col-title{color:#fff;font-weight:700;font-size:1rem;margin-bottom:20px}.footer-col ul{list-style:none}.footer-col li{margin-bottom:12px}.footer-link{color:#CBD5E1;text-decoration:none;font-size:.875rem;transition:color .2s ease}.footer-link:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.16);margin-top:32px;padding-top:20px;display:flex;flex-direction:column;gap:12px;align-items:center}@media(min-width:640px){.footer-bottom{margin-top:40px;padding-top:24px;flex-direction:row;justify-content:space-between}}.footer-bottom p{color:#CBD5E1;font-size:.75rem;margin:0}@media(min-width:640px){.footer-bottom p{font-size:.875rem}}.footer-bottom-links{display:flex;gap:16px;flex-wrap:wrap;justify-content:center}.footer-bottom-links a{color:#CBD5E1;text-decoration:none;font-size:.75rem;transition:color .2s ease}@media(min-width:640px){.footer-bottom-links a{font-size:.875rem}}.footer-bottom-links a:hover{color:#fff}
@media(max-width:900px){.concept-layout{display:flex;flex-direction:column;gap:14px}.concept-main,.toc-aside{width:100%}.toc-aside{order:1}.concept-main{order:2}.toc-card{position:sticky;top:72px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.toc-card strong{grid-column:1/-1;margin:0}.toc-card a{margin:0}.toc-card a:hover{transform:none}}@media(max-width:760px){.concept-hero{text-align:right}.category-breadcrumb{justify-content:flex-start}.concept-card,.faq-section{padding:18px}.concept-card p{text-align:right}.info-block{grid-template-columns:1fr}.info-icon{width:40px;height:40px}.quote-box{grid-template-columns:1fr}.quote-icon{width:42px;height:42px}.toc-card{grid-template-columns:1fr}.smart-list li{padding-inline-start:12px}.uses-list{grid-template-columns:1fr}}