@import"https://fonts.googleapis.com/css2?family=Cairo:wght@400;600;700;900&display=swap";html{scroll-behavior:smooth}:root{--bg-color: #ffffff;--text-main: #111111;--text-desc: #555555;--nav-bg: rgba(255, 255, 255, .75);--accent-color: #6366f1;--blob-color: #f0f2f5}.container.dark{--bg-color: #0f1014;--text-main: #ffffff;--text-desc: #b0b0b0;--nav-bg: rgba(15, 16, 20, .75);--blob-color: #1e2229}*{margin:0;padding:0;box-sizing:border-box;font-family:Cairo,sans-serif;transition:all .3s ease}.container{min-height:100vh;display:flex;flex-direction:column;background-color:var(--bg-color)}.navbar{display:flex;justify-content:space-between;align-items:center;padding:15px 40px;background-color:var(--nav-bg);backdrop-filter:blur(16px) saturate(180%);-webkit-backdrop-filter:blur(16px) saturate(180%);border-radius:50px;border:1px solid rgba(150,150,150,.15);position:sticky;top:20px;margin:0 auto 30px;width:95%;max-width:1400px;z-index:9999;box-shadow:0 10px 30px #00000014;opacity:0;animation:revealUp .8s cubic-bezier(.2,.8,.2,1) forwards;animation-delay:.1s}.logo{font-size:26px;font-weight:900;color:var(--accent-color);cursor:pointer}.nav-left{display:flex;align-items:center;gap:40px}.nav-right-group{display:flex;align-items:center;gap:60px}.nav-links{display:flex;gap:25px}.nav-links.desktop-nav{display:flex}.nav-links.mobile-nav{display:none}.nav-links a{text-decoration:none;color:var(--text-main);font-weight:600;font-size:16px;position:relative;padding-bottom:5px}.nav-links a:hover{color:var(--accent-color);transform:translateY(-2px)}.nav-links a.active{color:var(--accent-color)}.nav-links a.active:after{content:"";position:absolute;bottom:0;right:0;width:100%;height:2px;background-color:var(--accent-color);border-radius:2px;animation:slideIn .3s ease forwards}.controls{display:flex;align-items:center;gap:20px}.user-controls{display:flex;align-items:center;gap:15px}.logout-btn{border:none;background-color:#8b2b2b;color:#fff;font-weight:700;padding:8px 20px;border-radius:12px;cursor:pointer;font-size:15px;transition:background-color .3s ease}.logout-btn:hover{background-color:#702222}.profile-img{width:40px;height:40px;border-radius:50%;object-fit:cover;border:2px solid var(--accent-color)}.telegram-auth-wrapper{display:flex;align-items:center}.hamburger-btn{display:none;background:none;border:none;color:var(--text-main);cursor:pointer;padding:5px}.theme-switch{width:54px;height:28px;border-radius:30px;background-color:#ccc;border:none;position:relative;cursor:pointer;transition:background-color .3s ease;display:flex;align-items:center;padding:0;flex-shrink:0}.theme-switch.active{background-color:#4ade80}.switch-knob{width:22px;height:22px;background-color:#fff;border-radius:50%;position:absolute;right:3px;transition:transform .3s cubic-bezier(.4,0,.2,1);box-shadow:0 2px 4px #0003}.theme-switch.active .switch-knob{transform:translate(-26px)}.btn-primary{background-color:var(--accent-color);color:#fff;border:none;padding:16px 45px;border-radius:12px;font-weight:700;font-size:1.2rem;cursor:pointer;transition:all .3s ease;font-family:Cairo,sans-serif;text-decoration:none;display:inline-flex;justify-content:center;align-items:center}.btn-primary:hover{transform:translateY(-5px);box-shadow:0 10px 20px #6366f166}.btn-secondary{background:transparent;color:var(--text-main);border:2px solid var(--accent-color);padding:16px 45px;border-radius:12px;font-weight:700;font-size:1.2rem;cursor:pointer;transition:all .3s ease;text-decoration:none;display:inline-flex;justify-content:center;align-items:center;font-family:Cairo,sans-serif}.btn-secondary:hover{background-color:#6366f10d;transform:translateY(-5px)}.btn-orange,.btn-purple{padding:12px 25px;border-radius:10px;font-weight:800;font-size:1rem;cursor:pointer;border:none;transition:.3s ease;display:inline-flex;align-items:center;justify-content:center;color:#fff;white-space:nowrap}.course-btns .btn-orange,.course-btns .btn-purple{flex:1!important;padding:12px 5px!important;display:flex!important}.btn-orange{background-color:#e67e22!important}.btn-purple{background:linear-gradient(135deg,#6366f1,#a855f7)!important;box-shadow:0 4px 15px #a855f766;min-width:100px}.btn-orange:hover,.btn-purple:hover{transform:translateY(-3px);filter:brightness(1.1);box-shadow:0 8px 20px #0000004d}.btn-purple:hover{filter:brightness(1.2);transform:translateY(-2px);box-shadow:0 8px 25px #a855f799}.footer{opacity:1!important;animation:none!important;padding:20px;text-align:center}@keyframes revealUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes revealScale{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes slideIn{0%{width:0;opacity:0}to{width:100%;opacity:1}}@media(max-width:768px){.navbar{padding:15px 20px;top:10px;width:95%;border-radius:30px;margin-bottom:20px}.logo{font-size:22px}.hamburger-btn{display:block;z-index:1001}.nav-right-group{gap:20px}.nav-links.desktop-nav{display:none}.nav-links.mobile-nav{display:flex}.nav-left{position:absolute;top:100%;left:0;width:100%;background-color:var(--bg-color);flex-direction:column;padding:20px 0;border-radius:20px;box-shadow:0 10px 30px #00000026;border:1px solid rgba(150,150,150,.1);gap:25px;z-index:1000;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-10px);transition:all .3s ease}.container.dark .nav-left{box-shadow:0 10px 30px #00000080;border-top:1px solid rgba(255,255,255,.05)}.nav-left.mobile-open{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}.nav-links{flex-direction:column;width:100%;align-items:center;gap:20px}.nav-links a{font-size:18px}.controls{flex-direction:column;width:100%;align-items:center}.telegram-auth-wrapper{transform:scale(.85);transform-origin:center}.logout-btn{padding:6px 14px;font-size:13px;border-radius:8px}.profile-img{width:32px;height:32px}}.theme-switch{position:relative;display:inline-block;width:66px;height:34px;-webkit-user-select:none;user-select:none;cursor:pointer;margin:0;padding:0}.theme-switch-input{position:absolute;opacity:0;width:0;height:0;margin:0}.slider{position:absolute;inset:0;background-color:#38bdf8;border-radius:34px;display:flex;justify-content:space-between;align-items:center;padding:0 8px;box-shadow:inset 0 2px 5px #0003;transition:background-color .4s ease,border .4s ease;overflow:hidden;border:1px solid transparent;box-sizing:border-box}.theme-switch-input:checked+.slider{background-color:#1a1c23;border:1px solid #a855f7}.slider-thumb{position:absolute;height:26px;width:26px;left:3px;bottom:3px;background-color:#fff;border-radius:50%;z-index:2;box-shadow:0 2px 6px #0000004d;transition:transform .4s cubic-bezier(.68,-.55,.26,1.55),background-color .4s}.theme-switch-input:checked+.slider .slider-thumb{transform:translate(32px);background-color:#f1f5f9}.icon{z-index:1;transition:opacity .3s ease,transform .4s ease;display:block}.sun-icon{color:#fef08a}.moon-icon{color:#fde047}.theme-switch-input:not(:checked)+.slider .moon-icon{opacity:0;transform:translate(15px)}.theme-switch-input:checked+.slider .sun-icon{opacity:0;transform:translate(-15px)}.hero-section{min-height:calc(100vh - 85px);display:flex;align-items:center;justify-content:center;padding:40px 8%;overflow:hidden;background-color:transparent}.hero-content-wrapper{display:flex;align-items:center;justify-content:space-between;width:100%;max-width:1300px;gap:60px}.hero-text-side{flex:1;text-align:right;display:flex;flex-direction:column;align-items:flex-start;z-index:2}.hero-title{font-size:4.5rem;font-weight:900;color:var(--text-main, #ffffff);line-height:1.2;margin-bottom:15px}.highlight{color:var(--accent-color, #a855f7);text-shadow:0 0 20px rgba(168,85,247,.4)}.hero-subtitle{font-size:2rem;color:var(--text-main, #e2e8f0);margin-bottom:25px;font-weight:700}.hero-description{font-size:1.2rem;color:var(--text-desc, #94a3b8);line-height:1.8;max-width:600px;margin-bottom:40px}.hero-cta-buttons{display:flex;justify-content:flex-start;align-items:center;gap:20px;margin-top:15px}.hero-visual-side{flex:1;position:relative;display:flex;align-items:center;justify-content:center;height:550px}.css-art-container{position:relative;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle at center,#f1f5f9,#e2e8f0 70%);box-shadow:0 30px 60px #0000001a,inset 0 0 0 1px #0000000d;display:flex;align-items:center;justify-content:center;z-index:1}.dark .css-art-container{background:radial-gradient(circle at center,#242736,#151720 70%);box-shadow:0 30px 60px #00000080,inset 0 0 0 1px #ffffff0d}.center-emblem{position:absolute;width:120px;height:120px;background:linear-gradient(135deg,var(--accent-color, #a855f7),#6d28d9);border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 15px 35px #a855f766,inset -5px -5px 15px #0000004d;z-index:5;animation:floatCenter 6s ease-in-out infinite;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none}.emblem-icon{font-size:4rem;filter:drop-shadow(0 5px 10px rgba(0,0,0,.3))}.orbit{position:absolute;border-radius:50%;border:1px dashed rgba(255,255,255,.1)}.orbit-1{width:120%;height:120%;animation:spin 40s linear infinite;border:1px solid rgba(168,85,247,.2)}.orbit-2{width:90%;height:90%;animation:spin 30s linear infinite reverse}.orbit-3{width:60%;height:60%;animation:spin 20s linear infinite;border:1px dashed rgba(251,191,36,.2)}.shape{position:absolute;animation:floatShape 7s ease-in-out infinite;z-index:4}.shape-sphere{border-radius:50%}.sphere-1{width:80px;height:80px;background:radial-gradient(circle at 30% 30%,#3b82f6,#1e3a8a);box-shadow:-10px 10px 20px #00000080;top:15%;left:15%}.sphere-2{width:50px;height:50px;background:radial-gradient(circle at 30% 30%,#fbbf24,#b45309);box-shadow:-5px 5px 15px #00000080;bottom:25%;right:15%;animation-delay:1.5s}.shape-donut{width:90px;height:90px;border:22px solid var(--accent-color, #a855f7);border-radius:50%;box-sizing:border-box;box-shadow:inset -5px 5px 10px #0000004d,-5px 5px 15px #00000080;bottom:15%;left:20%;transform:rotateX(60deg) rotateY(20deg);animation-delay:2.5s}.shape-square{width:60px;height:60px;border:4px solid #f87171;background:transparent;transform:rotate(45deg);top:25%;right:25%;animation-delay:.5s}.art-text{position:absolute;font-family:Arial Black,sans-serif;font-weight:900;z-index:6;animation:floatText 5s ease-in-out infinite alternate;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none}.text-1{font-size:7rem;color:#34d399;top:-5%;right:35%;text-shadow:3px 3px 0 #059669,6px 6px 15px rgba(0,0,0,.6)}.text-2{font-size:4rem;color:#f472b6;top:30%;left:10%;text-shadow:2px 2px 0 #db2777}.text-3{font-size:5.5rem;color:#22d3ee;top:25%;left:30%;text-shadow:3px 3px 0 #0891b2,5px 5px 15px rgba(0,0,0,.5);animation-delay:1s}.text-4{font-size:5rem;color:#fb923c;top:20%;right:10%;text-shadow:3px 3px 0 #ea580c;animation-delay:2s}.text-5{font-size:4.5rem;color:#c084fc;bottom:5%;left:40%;text-shadow:2px 2px 0 #9333ea;animation-delay:1.5s}.q-card{position:absolute;background-color:var(--nav-bg, #1a1c23);border:1px solid var(--accent-color, #a855f7);padding:14px 28px;border-radius:12px;font-weight:800;font-size:1.1rem;color:var(--text-main, #ffffff);box-shadow:0 15px 30px #0006;animation:floatCard 6s ease-in-out infinite;white-space:nowrap;z-index:10;cursor:pointer;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none}.q-card:hover{transform:scale(1.08) translateY(-5px)!important;box-shadow:0 20px 40px #a855f766;border-color:#d8b4fe;animation-play-state:paused}.q-icon{margin-left:8px}.q-card-1{top:5%;right:-20%;animation-delay:0s}.q-card-2{top:45%;left:-25%;animation-delay:1.5s}.q-card-3{bottom:10%;right:-15%;animation-delay:3s}@keyframes floatCenter{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes floatShape{0%,to{transform:translateY(0) rotate(0)}50%{transform:translateY(-20px) rotate(10deg)}}@keyframes floatText{0%{transform:translateY(0) scale(1)}to{transform:translateY(-15px) scale(1.05)}}@keyframes floatCard{0%{transform:translateY(0)}50%{transform:translateY(-12px)}to{transform:translateY(0)}}@media(max-width:1024px){.hero-content-wrapper{flex-direction:column;text-align:center;gap:40px}.hero-text-side{align-items:center;text-align:center}.hero-cta-buttons{justify-content:center}.hero-title{font-size:3rem}.hero-subtitle{font-size:1.6rem}.hero-visual-side{height:auto;padding:40px 0;width:100%}.css-art-container{width:320px;height:320px}.center-emblem{width:80px;height:80px}.emblem-icon{font-size:2.5rem}.text-1{font-size:5rem;top:-10%;right:25%}.text-3{font-size:4rem;top:20%;left:20%}.sphere-1{width:50px;height:50px}.shape-donut{width:60px;height:60px;border-width:15px}.q-card{padding:10px 20px;font-size:.95rem}.q-card-1{top:-10%;right:-5%}.q-card-2{left:-10%;top:40%}.q-card-3{bottom:-5%;right:-5%}}.why-us-section{padding:80px 8% 40px;background-color:transparent;text-align:center}.why-us-title{font-size:2.8rem;margin-bottom:50px;font-weight:900;color:var(--text-main);display:inline-block;border-bottom:4px solid var(--accent-color)}.why-us-grid{display:flex;justify-content:center;gap:30px;flex-wrap:wrap;max-width:1200px;margin:0 auto}.why-us-card{flex:1;min-width:280px;background-color:var(--blob-color);padding:40px 30px;border-radius:20px;border:1px solid rgba(150,150,150,.1);box-shadow:0 10px 30px #0000000d;transition:transform .3s ease,box-shadow .3s ease}.why-us-card:hover{transform:translateY(-10px);box-shadow:0 15px 40px #6366f126}.why-us-card .icon-wrapper{color:var(--accent-color);margin-bottom:20px;display:flex;justify-content:center}.why-us-card h3{font-size:1.5rem;color:var(--text-main);margin-bottom:15px;font-weight:800}.why-us-card p{color:var(--text-desc);font-size:1.1rem;line-height:1.6}.courses-section{padding:100px 8%;background-color:var(--bg-color);text-align:center}.courses-main-title{font-size:2.8rem;margin-bottom:50px;font-weight:900;color:var(--text-main);display:inline-block;border-bottom:4px solid var(--accent-color)}.courses-wrapper{animation:revealScale .4s ease forwards}.courses-grid{display:flex;justify-content:center;gap:30px;flex-wrap:wrap}.course-card{background-color:var(--blob-color);width:100%;max-width:400px;border-radius:20px;overflow:hidden;box-shadow:0 10px 30px #0000004d;border:1px solid rgba(255,255,255,.05);transition:transform .3s ease,box-shadow .3s ease}.course-card:hover{transform:translateY(-10px);box-shadow:0 15px 40px #0006}.course-img-placeholder{width:100%;height:220px;background-color:#252a33;display:flex;align-items:center;justify-content:center;color:#444;font-weight:700}.course-info{padding:30px;text-align:right}.course-info h3{font-size:1.6rem;font-weight:800;color:var(--text-main);margin-bottom:12px}.course-info p{color:var(--text-desc);font-size:1rem;line-height:1.6;margin-bottom:30px;min-height:50px}.course-btns{display:flex!important;gap:12px!important;width:100%!important;margin-top:20px}.back-btn{background:transparent;color:var(--accent-color);border:2px solid var(--accent-color);padding:10px 25px;border-radius:10px;font-weight:700;font-size:1.1rem;cursor:pointer;margin-bottom:30px;transition:.3s ease;display:inline-flex;align-items:center;gap:8px}.back-btn:hover{background-color:#6366f10d;transform:translate(5px)}@media(max-width:768px){.courses-grid{flex-direction:column;align-items:center}}.playlist-sidebar{width:350px;flex-shrink:0;background-color:var(--blob-color);border-radius:15px;padding:20px;border:1px solid rgba(150,150,150,.1);box-shadow:0 5px 20px #0000000d}.playlist-sidebar::-webkit-scrollbar{width:6px}.playlist-sidebar::-webkit-scrollbar-track{background:transparent}.playlist-sidebar::-webkit-scrollbar-thumb{background-color:var(--accent-color);border-radius:10px}.viewer-section{padding:40px 8%;background-color:var(--bg-color);min-height:80vh}.viewer-header{margin-bottom:30px;display:flex;flex-direction:column;align-items:flex-start;gap:15px}.viewer-layout{display:flex;gap:30px;align-items:flex-start}.sidebar-title{font-size:1.2rem;color:var(--text-main);margin-bottom:20px;padding-bottom:10px;border-bottom:2px solid var(--accent-color)}.module-item{margin-bottom:10px;background-color:var(--bg-color);border-radius:10px;overflow:hidden;border:1px solid rgba(150,150,150,.1)}.module-header{width:100%;display:flex;justify-content:space-between;align-items:center;padding:15px;background:none;border:none;color:var(--text-main);font-weight:700;cursor:pointer;transition:.3s}.module-header:hover,.module-header.active{background-color:#6366f10d;color:var(--accent-color)}.module-content{padding:10px;background-color:var(--bg-color);border-top:1px solid rgba(150,150,150,.1);max-height:350px;overflow-y:auto;direction:ltr}.module-content>*{direction:rtl}.module-content::-webkit-scrollbar{width:6px}.module-content::-webkit-scrollbar-track{background:#9696960d;border-radius:10px}.module-content::-webkit-scrollbar-thumb{background-color:var(--accent-color);border-radius:10px}.video-item{display:flex;justify-content:space-between;align-items:center;padding:12px 10px;border-radius:8px;cursor:pointer;transition:.2s;color:var(--text-desc);font-size:.95rem}.video-item:hover{background-color:#6366f11a;color:var(--accent-color)}.video-item-info{display:flex;align-items:center;gap:10px}.viewer-main-content{flex:1;display:flex;flex-direction:column;gap:30px}.video-player-container{background-color:var(--blob-color);border-radius:15px;overflow:hidden;border:1px solid rgba(150,150,150,.1);box-shadow:0 10px 30px #0000001a}.video-placeholder{width:100%;aspect-ratio:16 / 9;background-color:#000;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;gap:15px}.video-details{padding:20px}.video-details h3{font-size:1.5rem;color:var(--text-main);margin-bottom:10px}.exams-container{background-color:var(--blob-color);border-radius:15px;padding:25px;border:1px solid rgba(150,150,150,.1)}.exams-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.exams-title{font-size:1.3rem;color:var(--text-main);margin-bottom:0}.exams-list{display:flex;flex-direction:column;gap:15px}.exam-card{display:flex;justify-content:space-between;align-items:center;background-color:var(--bg-color);padding:20px;border-radius:10px;border:1px solid rgba(150,150,150,.1);transition:transform .3s ease}.exam-card:hover{transform:translateY(-3px);box-shadow:0 5px 15px #00000014}.exam-info{display:flex;align-items:center;gap:15px}.exam-info h4{color:var(--text-main);font-size:1.1rem;margin-bottom:5px}@media(max-width:1024px){.viewer-layout{flex-direction:column}.playlist-sidebar{width:100%;order:2;max-height:400px}.viewer-main-content{width:100%;order:1}}.subscribe-section{min-height:calc(100vh - 85px);display:flex;align-items:center;justify-content:center;padding:60px 20px}.subscribe-container{max-width:520px;width:100%;text-align:center;animation:revealScale .5s ease forwards}.subscribe-header{margin-bottom:40px}.subscribe-header h1{font-size:2.2rem;font-weight:900;color:var(--text-main);margin-bottom:16px}.subscribe-header.subscribed h1{color:#10b981}.subscribe-desc{font-size:1.15rem;color:var(--text-desc);line-height:1.8;max-width:450px;margin:0 auto}.subscribe-icon-wrapper{width:100px;height:100px;border-radius:50%;background:linear-gradient(135deg,#6366f1,#a855f7);display:flex;align-items:center;justify-content:center;margin:0 auto 24px;color:#fff;box-shadow:0 15px 40px #6366f159;animation:floatCenter 4s ease-in-out infinite}.subscribe-icon-wrapper.success{background:linear-gradient(135deg,#10b981,#059669);box-shadow:0 15px 40px #10b98159}.plan-card{background-color:var(--blob-color);border:2px solid rgba(99,102,241,.3);border-radius:24px;padding:40px 35px;position:relative;overflow:hidden;transition:border-color .3s ease,box-shadow .3s ease}.plan-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,#6366f1,#a855f7,#ec4899)}.plan-card:hover{border-color:#6366f199;box-shadow:0 20px 50px #6366f126}.plan-badge{display:inline-block;background:linear-gradient(135deg,#6366f1,#a855f7);color:#fff;padding:6px 24px;border-radius:50px;font-weight:800;font-size:.95rem;margin-bottom:20px;letter-spacing:.5px}.plan-price{margin-bottom:30px;display:flex;align-items:baseline;justify-content:center;gap:8px}.price-amount{font-size:4rem;font-weight:900;color:var(--text-main);line-height:1}.price-currency{font-size:1.3rem;color:var(--text-desc);font-weight:700}.plan-features{list-style:none;padding:0;margin:0 0 35px;text-align:right}.plan-features li{display:flex;align-items:center;gap:12px;padding:12px 0;font-size:1.05rem;color:var(--text-main);font-weight:600;border-bottom:1px solid rgba(150,150,150,.1)}.plan-features li:last-child{border-bottom:none}.plan-features li svg{color:#10b981;flex-shrink:0}.btn-subscribe{width:100%;padding:16px 30px;border:none;border-radius:14px;font-size:1.2rem;font-weight:800;color:#fff;background:linear-gradient(135deg,#6366f1,#a855f7);cursor:pointer;display:flex;align-items:center;justify-content:center;gap:10px;font-family:Cairo,sans-serif;box-shadow:0 8px 25px #6366f166;transition:transform .3s ease,box-shadow .3s ease,filter .3s ease}.btn-subscribe:hover:not(:disabled){transform:translateY(-3px);box-shadow:0 12px 35px #6366f180;filter:brightness(1.1)}.btn-subscribe:disabled{opacity:.7;cursor:not-allowed}.btn-back-courses{display:inline-flex;align-items:center;gap:8px;margin-top:30px;padding:14px 35px;border-radius:14px;font-weight:800;font-size:1.1rem;color:#fff;background:linear-gradient(135deg,#6366f1,#a855f7);text-decoration:none;box-shadow:0 8px 25px #6366f166;transition:transform .3s ease,box-shadow .3s ease}.btn-back-courses:hover{transform:translateY(-3px);box-shadow:0 12px 35px #6366f180}.subscribe-error{color:#ef4444;font-weight:700;margin-bottom:16px;font-size:.95rem}.subscribe-loading{display:flex;flex-direction:column;align-items:center;gap:16px;color:var(--text-desc);font-size:1.1rem;font-weight:600}.subscribe-spinner{width:40px;height:40px;border:4px solid rgba(99,102,241,.2);border-top-color:#6366f1;border-radius:50%;animation:spin .8s linear infinite}.btn-spinner{width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.subscription-required-overlay{min-height:calc(100vh - 85px);display:flex;align-items:center;justify-content:center;padding:40px 20px}.subscription-required-card{max-width:480px;width:100%;text-align:center;background-color:var(--blob-color);border:2px solid rgba(99,102,241,.2);border-radius:24px;padding:50px 35px;animation:revealScale .5s ease forwards}.sub-required-icon{width:90px;height:90px;border-radius:50%;background:linear-gradient(135deg,#f59e0b,#ef4444);display:flex;align-items:center;justify-content:center;margin:0 auto 24px;color:#fff;box-shadow:0 12px 30px #f59e0b4d}.subscription-required-card h2{font-size:1.8rem;font-weight:900;color:var(--text-main);margin-bottom:12px}.subscription-required-card p{color:var(--text-desc);font-size:1.05rem;line-height:1.7;margin-bottom:30px}.btn-go-subscribe{display:inline-flex;align-items:center;gap:10px;padding:14px 35px;border-radius:14px;font-weight:800;font-size:1.1rem;color:#fff;background:linear-gradient(135deg,#6366f1,#a855f7);text-decoration:none;border:none;cursor:pointer;font-family:Cairo,sans-serif;box-shadow:0 8px 25px #6366f166;transition:transform .3s ease,box-shadow .3s ease}.btn-go-subscribe:hover{transform:translateY(-3px);box-shadow:0 12px 35px #6366f180}@media(max-width:768px){.subscribe-header h1{font-size:1.7rem}.plan-card{padding:30px 20px}.price-amount{font-size:3rem}.subscription-required-card{padding:35px 20px}.subscription-required-card h2{font-size:1.5rem}}.profile-section{padding:80px 20px 60px;max-width:900px;margin:0 auto;min-height:80vh;position:relative}.profile-section:before{content:"";position:absolute;top:10%;left:20%;width:400px;height:400px;background:radial-gradient(circle,rgba(99,102,241,.08) 0%,transparent 70%);pointer-events:none;z-index:0}.profile-header{text-align:center;margin-bottom:40px;position:relative;z-index:10}.profile-header h2{font-size:2.5rem;color:var(--text-main);margin-bottom:10px;background:var(--primary-gradient);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;display:inline-block}.profile-header p{color:var(--text-desc);font-size:1.1rem}.profile-grid{display:grid;grid-template-columns:350px 1fr;gap:30px;position:relative;z-index:10}@media(max-width:850px){.profile-grid{grid-template-columns:1fr}}.profile-glass-card{background:#ffffff08;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.1);border-radius:24px;padding:30px;box-shadow:0 20px 40px #0003,inset 0 0 0 1px #ffffff0d;display:flex;flex-direction:column}.light-mode .profile-glass-card,[data-theme=light] .profile-glass-card{background:#ffffffb3;border:1px solid rgba(0,0,0,.1);box-shadow:0 20px 40px #0000000d,inset 0 0 0 1px #ffffff80}.profile-user-info{text-align:center;margin-bottom:30px}.profile-avatar{width:100px;height:100px;border-radius:50%;margin:0 auto 15px;border:3px solid rgba(99,102,241,.3);padding:3px;background:var(--bg-card)}.profile-user-info h3{font-size:1.5rem;color:var(--text-main);margin:0 0 5px}.profile-user-info p{color:var(--text-desc);font-size:1rem;margin:0}.profile-card-header{display:flex;align-items:center;gap:12px;margin-bottom:25px;padding-bottom:15px;border-bottom:1px solid rgba(255,255,255,.05)}[data-theme=light] .profile-card-header{border-bottom-color:#0000000d}.profile-card-header h3{font-size:1.3rem;color:var(--text-main);margin:0}.subscription-details{background:#0003;border-radius:16px;padding:20px;border:1px solid rgba(255,255,255,.05)}[data-theme=light] .subscription-details{background:#00000008;border-color:#0000000d}.status-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:30px;font-size:.95rem;font-weight:600;margin-top:10px}.status-badge.active{background:#10b98126;color:#10b981;border:1px solid rgba(16,185,129,.3)}.status-badge.inactive{background:#ef444426;color:#ef4444;border:1px solid rgba(239,68,68,.3)}.sub-meta{margin-top:20px;font-size:.95rem;color:var(--text-desc);display:flex;flex-direction:column;gap:10px}.stat-box-sleek{background:#0003;border-radius:16px;padding:20px;border:1px solid rgba(255,255,255,.05);display:flex;align-items:center;gap:20px;margin-bottom:30px}[data-theme=light] .stat-box-sleek{background:#00000008;border-color:#0000000d}.stat-box-sleek .icon-wrap{width:60px;height:60px;border-radius:16px;background:#6366f11a;color:var(--accent-color);display:flex;align-items:center;justify-content:center}.stat-box-sleek .stat-info h4{font-size:2rem;color:var(--text-main);margin:0;line-height:1;background:var(--primary-gradient);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.stat-box-sleek .stat-info p{color:var(--text-desc);margin:5px 0 0;font-size:1rem}.recent-exams-list{display:flex;flex-direction:column;gap:12px}.exam-history-item{display:flex;align-items:center;justify-content:space-between;padding:15px 20px;background:#ffffff05;border:1px solid rgba(255,255,255,.05);border-radius:16px;transition:all .3s ease}[data-theme=light] .exam-history-item{background:#00000005;border-color:#0000000d}.exam-history-item:hover{transform:translate(-5px);background:#ffffff0d}.exam-history-left{display:flex;align-items:center;gap:15px}.exam-history-score{font-size:1.2rem;font-weight:700;color:var(--accent-color);background:#6366f11a;width:50px;height:50px;display:flex;align-items:center;justify-content:center;border-radius:12px}.exam-history-date{color:var(--text-desc);font-size:.9rem;margin-top:4px}.btn-logout{width:100%;padding:15px;border-radius:16px;background:#ef44441a;color:#ef4444;font-size:1.1rem;font-weight:700;font-family:Cairo,sans-serif;border:1px solid rgba(239,68,68,.2);cursor:pointer;transition:all .3s ease;margin-top:auto;display:flex;align-items:center;justify-content:center;gap:10px}.btn-logout:hover{background:#ef444433;transform:translateY(-2px)}.admin-layout{display:flex;min-height:calc(100vh - 85px);background-color:var(--bg-color);direction:rtl}.admin-sidebar{width:280px;background-color:var(--blob-color);border-left:1px solid rgba(150,150,150,.1);padding:20px;display:flex;flex-direction:column;flex-shrink:0}.sidebar-header{font-size:1.5rem;font-weight:900;color:var(--accent-color);margin-bottom:30px;text-align:center;border-bottom:2px solid rgba(150,150,150,.1);padding-bottom:15px}.sidebar-nav{display:flex;flex-direction:column;gap:10px}.sidebar-nav a{display:flex;align-items:center;gap:12px;padding:15px;border-radius:12px;color:var(--text-desc);font-weight:700;font-size:1.1rem;transition:all .3s ease;text-decoration:none}.sidebar-nav a:hover,.sidebar-nav a.active{background-color:var(--accent-color);color:#fff;box-shadow:0 5px 15px #6366f14d}.admin-content{flex:1;padding:40px;overflow-y:auto}.full-form-panel{background:var(--blob-color);padding:40px;border-radius:20px;box-shadow:0 10px 30px #0000000d;border:1px solid rgba(150,150,150,.1);animation:fadeIn .4s ease-out;width:100%}.full-form-panel h3{color:var(--text-main);margin-bottom:30px;font-size:1.8rem;display:flex;align-items:center;gap:15px;justify-content:center}.grid-form{display:grid;grid-template-columns:1fr 1fr;gap:25px}.full-width{grid-column:1 / -1}.questions-builder{display:flex;flex-direction:column;gap:20px}.question-grid-card{background:var(--bg-color);border:1px solid rgba(150,150,150,.2);border-radius:15px;padding:25px;display:grid;grid-template-columns:1fr 1fr;gap:15px}.question-grid-card .q-header{grid-column:1 / -1;display:flex;justify-content:space-between;font-weight:700;font-size:1.2rem;color:var(--text-main);border-bottom:1px dashed rgba(150,150,150,.2);padding-bottom:10px}.question-grid-card .q-options{grid-column:1 / -1;display:grid;grid-template-columns:1fr 1fr;gap:15px}.btn-delete{color:#ef4444;background:#ef44441a;border:none;padding:6px 12px;border-radius:6px;cursor:pointer;display:flex;align-items:center;gap:5px;font-weight:700;transition:all .2s}.btn-delete:hover{background:#ef4444;color:#fff}.dashboard-section{padding:60px 5%;min-height:85vh;background-color:var(--bg-color);text-align:center}.login-section{display:flex;align-items:center;justify-content:center}.auth-card{background:var(--blob-color);padding:40px;border-radius:20px;border:1px solid rgba(150,150,150,.1);max-width:400px;width:100%;box-shadow:0 10px 30px #0000000d}.section-title{font-size:2.2rem;color:var(--text-main);margin-bottom:40px;position:relative;display:inline-block;font-weight:800}.teachers-grid{display:flex;justify-content:center;gap:40px;flex-wrap:wrap;margin-top:20px}.teacher-card{background:var(--bg-color);padding:50px 30px;border-radius:20px;cursor:pointer;width:320px;transition:all .3s ease;border:2px solid transparent;box-shadow:0 10px 30px -10px #0000001a;text-align:center}.teacher-card:hover{transform:translateY(-10px)}.teacher-card.verbal{border-color:#a855f74d}.teacher-card.quant{border-color:#3b82f64d}.teacher-icon-wrapper{width:80px;height:80px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:2rem}.verbal .teacher-icon-wrapper{background:#a855f71a;color:#a855f7}.quant .teacher-icon-wrapper{background:#3b82f61a;color:#3b82f6}.form-label{display:block;color:var(--text-main);margin-bottom:10px;font-weight:700;font-size:1.1rem}.modern-input,.modern-select{width:100%;padding:15px;border-radius:12px;border:1px solid rgba(150,150,150,.3);background:var(--bg-color);color:var(--text-main);font-size:1.05rem}.modern-input:focus,.modern-select:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 3px #6366f126}.track-selector{display:flex;gap:15px;background:#9696960d;padding:8px;border-radius:14px}.track-btn{flex:1;padding:12px;border-radius:10px;border:none;font-size:1.1rem;font-weight:700;cursor:pointer;background:transparent;color:var(--text-desc)}.track-btn.active{background:var(--accent-color);color:#fff}.file-drop-area{border:2px dashed rgba(150,150,150,.4);padding:25px;border-radius:12px;text-align:center;background:#96969605;transition:all .2s;cursor:pointer;position:relative}.file-drop-area:hover{border-color:var(--accent-color);background:#6366f105}.file-input{position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;cursor:pointer}.file-msg{color:var(--text-main);font-size:1.1rem;font-weight:700;display:flex;flex-direction:column;align-items:center;gap:10px;pointer-events:none}.btn-submit{width:100%;padding:18px;border-radius:14px;background:var(--accent-color);color:#fff;font-size:1.2rem;font-weight:700;border:none;cursor:pointer;transition:background .2s,transform .1s;display:flex;justify-content:center;align-items:center;gap:10px}.btn-submit:hover{background:#4f46e5}.btn-submit:disabled{opacity:.7;cursor:not-allowed}.btn-add-question{color:var(--accent-color);background:#6366f11a;border:1px dashed var(--accent-color);padding:12px 20px;border-radius:10px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:1.1rem;width:100%;transition:all .2s}.btn-add-question:hover{background:var(--accent-color);color:#fff}.alert-box{padding:15px 20px;border-radius:12px;margin-bottom:25px;font-weight:700;display:flex;align-items:center;gap:10px;font-size:1.1rem}.alert-success{background:#4ade8026;color:#16a34a;border:1px solid rgba(74,222,128,.3)}.alert-error{background:#f8717126;color:#dc2626;border:1px solid rgba(248,113,113,.3)}.overview-panel{display:flex;flex-direction:column;gap:25px;margin-top:20px}.overview-category{background:var(--blob-color);border-radius:15px;padding:25px;border:1px solid rgba(150,150,150,.1);box-shadow:0 4px 15px #00000005}.overview-category-header{display:flex;justify-content:space-between;align-items:center;font-size:1.4rem;font-weight:800;color:var(--text-main);margin-bottom:20px;border-bottom:2px solid rgba(150,150,150,.1);padding-bottom:15px}.overview-video-item{display:flex;justify-content:space-between;align-items:center;background:var(--bg-color);padding:16px 20px;border-radius:10px;margin-bottom:12px;border:1px solid rgba(150,150,150,.1);transition:transform .2s}.overview-video-item:hover{transform:translate(-5px);border-color:var(--accent-color)}.action-btns{display:flex;gap:10px}.btn-icon-delete{background:#ef44441a;color:#ef4444;border:none;padding:10px 15px;border-radius:8px;cursor:pointer;display:flex;align-items:center;transition:all .3s ease}.btn-icon-delete:hover{background:#ef4444;color:#fff}.large-input{font-size:1.15rem!important;padding:18px!important;font-weight:600!important}.modern-select{appearance:none;background-image:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="gray" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="6 9 12 15 18 9"></polyline></svg>');background-repeat:no-repeat;background-position:left 15px center;background-size:18px;cursor:pointer}.modern-select option{background-color:var(--bg-color);color:var(--text-main);font-weight:700;font-size:1.1rem;padding:15px}.toast-notification{position:fixed;top:30px;right:30px;padding:18px 25px;border-radius:12px;display:flex;align-items:center;gap:15px;font-weight:700;font-size:1.15rem;color:#fff;z-index:10000;box-shadow:0 15px 40px #0000004d;animation:slideInToast .4s cubic-bezier(.2,.8,.2,1) forwards}.toast-success{background:linear-gradient(135deg,#10b981,#059669)}.toast-error{background:linear-gradient(135deg,#ef4444,#dc2626)}.toast-info{background:linear-gradient(135deg,#3b82f6,#2563eb)}@keyframes slideInToast{0%{transform:translate(120%);opacity:0}to{transform:translate(0);opacity:1}}.overview-videos-scroll{max-height:320px;overflow-y:auto;padding-right:5px;direction:ltr}.overview-videos-scroll>*{direction:rtl}.overview-videos-scroll::-webkit-scrollbar{width:6px}.overview-videos-scroll::-webkit-scrollbar-track{background:transparent}.overview-videos-scroll::-webkit-scrollbar-thumb{background-color:var(--accent-color);border-radius:10px}.custom-select-wrapper{position:relative;width:100%;-webkit-user-select:none;user-select:none}.custom-select-header{width:100%;padding:16px 20px;border-radius:12px;border:1px solid rgba(150,150,150,.3);background:var(--blob-color);color:var(--text-main);font-size:1.15rem;font-weight:700;display:flex;justify-content:space-between;align-items:center;cursor:pointer;transition:all .3s ease}.custom-select-header:hover,.custom-select-header.open{border-color:var(--accent-color);box-shadow:0 0 0 4px #6366f11a;background:var(--bg-color)}.custom-select-dropdown{position:absolute;top:calc(100% + 8px);left:0;width:100%;background:var(--blob-color);border:1px solid rgba(150,150,150,.2);border-radius:12px;box-shadow:0 15px 40px #0006;max-height:280px;overflow-y:auto;z-index:1000;padding:8px}.custom-select-dropdown::-webkit-scrollbar{width:6px}.custom-select-dropdown::-webkit-scrollbar-track{background:transparent}.custom-select-dropdown::-webkit-scrollbar-thumb{background-color:var(--accent-color);border-radius:10px}.custom-select-option{padding:14px 18px;font-size:1.1rem;font-weight:700;color:var(--text-desc);cursor:pointer;border-radius:8px;transition:all .2s;margin-bottom:4px;text-align:right}.custom-select-option:hover,.custom-select-option.selected{background:#6366f11a;color:var(--accent-color)}.exam-entry-container{padding:40px 10%;background:var(--bg-color);min-height:100vh;direction:rtl}.exam-cards-wrapper{display:flex;gap:20px;margin-bottom:30px;flex-wrap:wrap}.exam-mode-card{flex:1;min-width:300px;background:#1e293b66;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-radius:24px;padding:30px;border:1px solid rgba(255,255,255,.08);box-shadow:0 15px 35px #0003;display:flex;flex-direction:column;transition:all .4s cubic-bezier(.175,.885,.32,1.275);position:relative;overflow:hidden}.exam-mode-card:before{content:"";position:absolute;top:0;left:0;width:100%;height:50%;background:linear-gradient(180deg,rgba(255,255,255,.04) 0%,transparent 100%);pointer-events:none}.exam-mode-card:hover{transform:translateY(-8px);box-shadow:0 25px 50px #0000004d;border-color:#ffffff26}[data-theme=light] .exam-mode-card{background:#ffffffb3;border:1px solid rgba(255,255,255,.5);box-shadow:0 15px 35px #0000000d}[data-theme=light] .exam-mode-card:before{background:linear-gradient(180deg,rgba(255,255,255,.5) 0%,transparent 100%)}[data-theme=light] .exam-mode-card:hover{box-shadow:0 25px 50px #00000014;border-color:#fffc}.exam-card-header{display:flex;justify-content:center;align-items:center;margin-bottom:20px}.exam-card-title{text-align:center;flex:1}.exam-card-title h3{margin:0 0 5px;font-size:1.4rem;color:var(--text-main)}.exam-card-title p{margin:0;color:var(--text-desc);font-size:.95rem}.exam-icon{color:var(--accent-color, #6366f1);display:flex;align-items:center;justify-content:center}.exam-tags{display:flex;justify-content:center;gap:10px;margin-bottom:20px;flex-wrap:wrap}.exam-tag{background:#9696961a;padding:8px 16px;border-radius:30px;font-size:.9rem;color:var(--text-desc);display:flex;align-items:center;gap:8px;box-shadow:inset 0 2px 4px #0000000d}.exam-settings{display:flex;flex-direction:column;gap:15px;margin-bottom:25px;flex:1}.exam-setting-label{display:flex;align-items:center;justify-content:space-between;color:var(--text-main);cursor:pointer;-webkit-user-select:none;user-select:none;font-weight:500;padding:10px 15px;background:#96969608;border-radius:12px;border:1px solid rgba(150,150,150,.05);transition:all .2s ease}.exam-setting-label:hover{background:#9696960f}.custom-toggle{position:relative;width:44px;height:24px;background:#96969633;border-radius:20px;transition:all .3s ease}.custom-toggle:after{content:"";position:absolute;top:2px;left:2px;width:20px;height:20px;background:#fff;border-radius:50%;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 2px 4px #0003}.exam-setting-label input[type=checkbox]{display:none}.exam-setting-label input[type=checkbox]:checked+.custom-toggle{background:linear-gradient(135deg,var(--accent-purple, #6d4aff) 0%,var(--accent-color, #3b82f6) 100%)}.exam-setting-label input[type=checkbox]:checked+.custom-toggle:after{transform:translate(20px)}.btn-start-exam{width:100%;padding:16px;background:linear-gradient(135deg,var(--accent-purple, #6d4aff) 0%,var(--accent-color, #3b82f6) 100%);color:#fff;border:none;border-radius:14px;font-size:1.15rem;font-weight:700;cursor:pointer;display:flex;justify-content:center;align-items:center;gap:10px;transition:all .3s ease;box-shadow:0 8px 20px #6d4aff4d;margin-top:auto}.btn-start-exam:hover{transform:translateY(-2px);box-shadow:0 12px 25px #6d4aff66;filter:brightness(1.1)}.history-section{background:var(--blob-color, #1a1b26);border-radius:15px;border:1px solid rgba(150,150,150,.1);overflow:hidden}[data-theme=light] .history-section{background:#f8fafc;border-color:#e2e8f0}.history-header{display:flex;justify-content:space-between;padding:20px;border-bottom:1px solid rgba(150,150,150,.1);flex-wrap:wrap;gap:15px}.history-stat{display:flex;align-items:center;gap:10px;color:var(--text-desc);font-size:1.1rem}.history-stat strong{color:var(--text-main);font-size:1.3rem}.history-table-container{max-height:400px;overflow-y:auto}.history-table{width:100%;border-collapse:collapse;text-align:right}.history-table th,.history-table td{padding:15px 20px;border-bottom:1px solid rgba(150,150,150,.05);color:var(--text-desc)}.history-table th{font-weight:500;position:sticky;top:0;background:var(--blob-color, #1a1b26);z-index:10}[data-theme=light] .history-table th{background:#f8fafc}.history-table tr:last-child td{border-bottom:none}.history-table 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