@import "https://fonts.googleapis.com/css2?family=Cairo:wght@400;600;700;800;900&family=Tajawal:wght@300;400;500;700;800&display=swap";
:root{--primary-50:#ecfdf5;--primary-100:#d1fae5;--primary-200:#a7f3d0;--primary-300:#6ee7b7;--primary-400:#34d399;--primary-500:#52b788;--primary-600:#40916c;--primary-700:#2d6a4f;--primary-800:#1b4332;--primary-900:#0d2818;--bg-primary:#f8faf9;--bg-secondary:#edf2ee;--bg-card:#fff;--bg-card-hover:#f0f5f1;--bg-input:#fff;--bg-navbar:#ffffffd9;--text-primary:#1a2e23;--text-secondary:#4a6352;--text-muted:#7a9485;--text-inverse:#fff;--border-color:#d4e4da;--border-light:#e8f0eb;--shadow-sm:0 1px 3px #0000000f;--shadow-md:0 4px 12px #00000014;--shadow-lg:0 8px 30px #0000001a;--shadow-glow:0 0 40px #52b78826;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--transition:all .3s cubic-bezier(.4, 0, .2, 1);--glass-bg:#ffffffb3;--glass-border:#ffffff4d}[data-theme=dark]{--bg-primary:#0a1612;--bg-secondary:#0d1f17;--bg-card:#132a1e;--bg-card-hover:#1a3828;--bg-input:#1a2e23;--bg-navbar:#0a1612e6;--text-primary:#e8f5e9;--text-secondary:#a5c4b0;--text-muted:#6b9b7e;--border-color:#1e3f2e;--border-light:#163026;--shadow-sm:0 1px 3px #0000004d;--shadow-md:0 4px 12px #0006;--shadow-lg:0 8px 30px #00000080;--shadow-glow:0 0 60px #52b7881f;--glass-bg:#132a1ecc;--glass-border:#52b78826}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background-color:var(--bg-primary);color:var(--text-primary);direction:rtl;min-height:100vh;font-family:Tajawal,sans-serif;line-height:1.7;transition:background-color .3s,color .3s}h1,h2,h3,h4,h5,h6{font-family:Cairo,sans-serif;font-weight:700;line-height:1.4}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}button{cursor:pointer;font-family:Tajawal,sans-serif}input,select,textarea{font-family:Tajawal,sans-serif}.navbar{z-index:1000;background:var(--bg-navbar);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border-light);transition:var(--transition);padding:0 2rem;position:fixed;top:0;left:0;right:0}.navbar-inner{justify-content:space-between;align-items:center;max-width:1280px;height:72px;margin:0 auto;display:flex}.navbar-brand{cursor:pointer;z-index:10;border-radius:var(--radius-sm);transition:var(--transition);align-items:center;gap:12px;margin:-8px -12px;padding:8px 12px;text-decoration:none;display:flex;position:relative}.navbar-brand:hover{opacity:.85}.navbar-brand *{pointer-events:none}.navbar-brand img{border-radius:50%;width:48px;height:48px}.navbar-brand span{color:var(--primary-600);pointer-events:none;font-family:Cairo,sans-serif;font-size:1.3rem;font-weight:800}[data-theme=dark] .navbar-brand span{color:var(--primary-400)}.navbar-links{align-items:center;gap:2rem;list-style:none;display:flex}.navbar-links a{color:var(--text-secondary);transition:var(--transition);padding:4px 0;font-size:.95rem;font-weight:500;position:relative}.navbar-links a:hover{color:var(--primary-600)}.navbar-links a:after{content:"";background:linear-gradient(to left, var(--primary-500), var(--primary-700));border-radius:2px;width:0;height:2px;transition:width .3s;position:absolute;bottom:-2px;right:0}.navbar-links a:hover:after{width:100%}.navbar-actions{align-items:center;gap:12px;display:flex}.theme-toggle{background:var(--bg-card);border:1px solid var(--border-color);width:40px;height:40px;color:var(--text-secondary);transition:var(--transition);border-radius:50%;justify-content:center;align-items:center;font-size:1.1rem;display:flex}.theme-toggle:hover{background:var(--primary-500);color:#fff;border-color:var(--primary-500);transform:rotate(20deg)}.mobile-menu-btn{color:var(--text-primary);background:0 0;border:none;padding:8px;font-size:1.5rem;display:none}.desktop-auth-btns{align-items:center;gap:8px;display:flex}.mobile-auth-links{display:none}.btn{border-radius:var(--radius-sm);transition:var(--transition);white-space:nowrap;border:none;justify-content:center;align-items:center;gap:8px;padding:10px 24px;font-size:.95rem;font-weight:600;display:inline-flex}.btn-primary{background:linear-gradient(135deg, var(--primary-700), var(--primary-500));color:#fff;box-shadow:0 4px 15px #2d6a4f4d}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 25px #2d6a4f66}.btn-outline{color:var(--primary-600);border:2px solid var(--primary-500);background:0 0}[data-theme=dark] .btn-outline{color:var(--primary-400);border-color:var(--primary-500)}.btn-outline:hover{background:var(--primary-500);color:#fff;transform:translateY(-2px)}.btn-ghost{color:var(--text-secondary);border:1px solid var(--border-color);background:0 0}.btn-ghost:hover{background:var(--bg-card);color:var(--primary-600)}.btn-danger{color:#fff;background:linear-gradient(135deg,#c0392b,#e74c3c)}.btn-danger:hover{transform:translateY(-2px);box-shadow:0 6px 25px #e74c3c4d}.btn-sm{padding:6px 16px;font-size:.85rem}.btn-lg{border-radius:var(--radius-md);padding:14px 36px;font-size:1.1rem}.btn-icon{border-radius:50%;width:40px;height:40px;padding:0}.hero{background:var(--bg-primary);justify-content:center;align-items:center;min-height:100vh;padding-top:72px;display:flex;position:relative;overflow:hidden}.hero:before{content:"";pointer-events:none;background:radial-gradient(#52b78814 0%,#0000 70%);position:absolute;inset:0}.hero-bg-logo{object-fit:contain;opacity:.04;pointer-events:none;z-index:0;width:100%;max-width:500px;height:auto;position:absolute}[data-theme=dark] .hero-bg-logo{opacity:.06}.hero-content{z-index:1;text-align:center;padding:2rem;position:relative}.hero-glass{background:var(--glass-bg);-webkit-backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);padding:3rem 4rem;animation:.8s ease-out fadeInUp}.hero-logo{border-radius:50%;width:120px;height:120px;margin-bottom:1.5rem;animation:6s ease-in-out infinite float;box-shadow:0 8px 30px #52b78833}.hero h1{color:var(--primary-500);margin-bottom:.5rem;font-size:2.8rem}.hero p{color:var(--text-secondary);margin-bottom:2rem;font-size:1.2rem}.hero .btn{padding:14px 48px;font-size:1.1rem}.section{max-width:1280px;margin:0 auto;padding:5rem 2rem}.section-title{text-align:center;margin-bottom:3rem}.section-title h2{color:var(--text-primary);margin-bottom:.5rem;font-size:2.2rem}.section-title span{color:var(--primary-500)}.section-title p{color:var(--text-muted);font-size:1.05rem}.section-divider{background:linear-gradient(to left, var(--primary-500), var(--primary-700));border-radius:4px;width:60px;height:4px;margin:1rem auto 0}.courses-section{background:var(--bg-secondary);padding:5rem 0}.courses-container{max-width:1280px;margin:0 auto;padding:0 2rem}.course-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);transition:var(--transition);box-shadow:var(--shadow-sm);flex-direction:column;height:100%;display:flex;overflow:hidden}.course-card:hover{box-shadow:var(--shadow-lg);border-color:var(--primary-400);transform:translateY(-6px)}.course-card-image{background:linear-gradient(135deg, var(--primary-800), var(--primary-600));justify-content:center;align-items:center;width:100%;height:180px;display:flex;position:relative;overflow:hidden}.course-card-image:after{content:"";background:linear-gradient(#0000 60%,#0000004d);position:absolute;inset:0}.course-card-image svg{color:#fff9;z-index:1;width:64px;height:64px}.course-card-body{flex-direction:column;flex:1;padding:1.5rem;display:flex}.course-card-title{color:var(--text-primary);margin-bottom:.5rem;font-family:Cairo,sans-serif;font-size:1.2rem;font-weight:700}.course-card-desc{color:var(--text-muted);-webkit-line-clamp:3;line-clamp:3;-webkit-box-orient:vertical;flex:1;margin-bottom:1rem;font-size:.9rem;line-height:1.6;display:-webkit-box;overflow:hidden}.course-card-price{color:var(--primary-600);margin-bottom:1rem;font-family:Cairo,sans-serif;font-size:1.5rem;font-weight:800}[data-theme=dark] .course-card-price{color:var(--primary-400)}.course-card-price small{color:var(--text-muted);font-size:.85rem;font-weight:400}.course-card-actions{gap:8px;display:flex}.course-card-actions .btn{flex:1;padding:8px 12px;font-size:.85rem}.swiper{padding:2.5rem 1rem 4rem!important}.swiper-pagination{bottom:0!important}.swiper-slide{height:auto}.swiper-pagination-bullet{width:10px;height:10px;background:var(--primary-500)!important}.swiper-pagination-bullet-active{width:28px;border-radius:5px!important}.swiper-button-next,.swiper-button-prev{background:var(--bg-card);box-shadow:var(--shadow-md);border:1px solid var(--border-light);border-radius:50%;color:var(--primary-500)!important;width:44px!important;height:44px!important}.swiper-button-next:after,.swiper-button-prev:after{font-weight:900;font-size:1rem!important}.about-section{background:var(--bg-primary)}.about-content{grid-template-columns:1fr 1fr;align-items:center;gap:4rem;display:grid}.about-text h3{color:var(--text-primary);margin-bottom:1rem;font-size:1.8rem}.about-text h3 span{color:var(--primary-500)}.about-text p{color:var(--text-secondary);margin-bottom:1rem;font-size:1.05rem;line-height:1.9}.about-features{grid-template-columns:1fr 1fr;gap:1rem;margin-top:2rem;display:grid}.about-feature{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-md);text-align:center;transition:var(--transition);padding:1.5rem}.about-feature:hover{border-color:var(--primary-400);box-shadow:var(--shadow-glow);transform:translateY(-4px)}.about-feature-icon{background:linear-gradient(135deg, var(--primary-700), var(--primary-500));border-radius:var(--radius-sm);color:#fff;justify-content:center;align-items:center;width:50px;height:50px;margin:0 auto .75rem;display:flex}.about-feature h4{color:var(--text-primary);font-size:.95rem}.about-image-area{justify-content:center;align-items:center;display:flex}.about-logo-big{width:300px;height:300px;box-shadow:var(--shadow-glow);border:4px solid var(--primary-500);border-radius:50%;animation:6s ease-in-out infinite float}.contact-section{background:var(--bg-secondary)}.contact-cards{grid-template-columns:repeat(4,1fr);gap:1.5rem;max-width:900px;margin:0 auto;display:grid}.contact-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-md);text-align:center;transition:var(--transition);padding:2rem 1.5rem}.contact-card:hover{box-shadow:var(--shadow-lg);border-color:var(--primary-400);transform:translateY(-6px)}.contact-card-icon{width:60px;height:60px;transition:var(--transition);border-radius:50%;justify-content:center;align-items:center;margin:0 auto 1rem;font-size:1.5rem;display:flex}.contact-card:first-child .contact-card-icon{color:var(--primary-500);background:#52b78826}.contact-card:nth-child(2) .contact-card-icon{color:#25d366;background:#25d36626}.contact-card:nth-child(3) .contact-card-icon{color:#1877f2;background:#1877f226}.contact-card:nth-child(4) .contact-card-icon{color:#ea4335;background:#ea433526}.contact-card h4{color:var(--text-primary);margin-bottom:.5rem;font-size:1rem}.contact-card p{color:var(--text-muted);font-size:.9rem}.contact-card a{color:var(--primary-500);transition:var(--transition);font-weight:600}.contact-card a:hover{color:var(--primary-700)}.footer{background:var(--bg-secondary);border-top:1px solid var(--border-light);text-align:center;padding:1.5rem 2rem}.footer p{color:var(--text-muted);font-size:.9rem}.footer span{color:var(--primary-500);font-weight:600}.auth-page{background:var(--bg-primary);justify-content:center;align-items:center;min-height:100vh;padding:6rem 2rem 2rem;display:flex;position:relative}.auth-page:before{content:"";pointer-events:none;background:radial-gradient(at 100% 0,#52b7880f 0%,#0000 50%),radial-gradient(at 0 100%,#2d6a4f0f 0%,#0000 50%);position:absolute;inset:0}.auth-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);width:100%;max-width:500px;box-shadow:var(--shadow-lg);z-index:1;padding:2.5rem;position:relative}.auth-card h1{text-align:center;color:var(--primary-600);margin-bottom:.5rem;font-size:1.8rem}[data-theme=dark] .auth-card h1{color:var(--primary-400)}.auth-card .subtitle{text-align:center;color:var(--text-muted);margin-bottom:2rem;font-size:.95rem}.form-group{margin-bottom:1.25rem}.form-group label{color:var(--text-primary);margin-bottom:6px;font-size:.9rem;font-weight:600;display:block}.form-input{background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-sm);width:100%;color:var(--text-primary);transition:var(--transition);direction:rtl;padding:12px 16px;font-size:.95rem}.form-input:focus{border-color:var(--primary-500);outline:none;box-shadow:0 0 0 3px #52b78826}.form-input::placeholder{color:var(--text-muted)}.form-select{background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-sm);width:100%;color:var(--text-primary);transition:var(--transition);cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%237a9485' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-position:12px;background-repeat:no-repeat;padding:12px 16px;font-size:.95rem}.form-select:focus{border-color:var(--primary-500);outline:none;box-shadow:0 0 0 3px #52b78826}.form-row{grid-template-columns:1fr 1fr;gap:1rem;display:grid}.password-field{position:relative}.password-toggle{color:var(--text-muted);cursor:pointer;background:0 0;border:none;align-items:center;padding:4px;display:flex;position:absolute;top:50%;left:12px;transform:translateY(-50%)}.password-toggle:hover{color:var(--primary-500)}.form-error{color:#e74c3c;margin-top:4px;font-size:.8rem}.form-success{border:1px solid var(--primary-400);color:var(--primary-600);border-radius:var(--radius-sm);text-align:center;background:#52b7881a;margin-bottom:1rem;padding:12px 16px;font-size:.9rem}[data-theme=dark] .form-success{color:var(--primary-400)}.form-global-error{color:#e74c3c;border-radius:var(--radius-sm);text-align:center;background:#e74c3c1a;border:1px solid #e74c3c4d;margin-bottom:1rem;padding:12px 16px;font-size:.9rem}.auth-links{text-align:center;color:var(--text-muted);margin-top:1.5rem;font-size:.9rem}.auth-links a{color:var(--primary-500);margin-right:4px;font-weight:600}.auth-links a:hover{text-decoration:underline}.dashboard-layout{min-height:100vh;padding-top:72px;display:flex}.dashboard-sidebar{background:var(--bg-card);border-left:1px solid var(--border-light);z-index:100;width:260px;padding:2rem 0;position:fixed;top:72px;bottom:0;right:0;overflow-y:auto}.sidebar-close-btn{display:none!important}.mobile-sidebar-toggle{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-sm);color:var(--text-primary);cursor:pointer;transition:var(--transition);align-items:center;gap:8px;margin-bottom:1rem;padding:8px 16px;font-size:.9rem;font-weight:600;display:none}.mobile-sidebar-toggle:hover{border-color:var(--primary-500);color:var(--primary-600)}@media (max-width:768px){.sidebar-close-btn{display:inline-flex!important}.mobile-sidebar-toggle{display:inline-flex}}.sidebar-nav{padding:0 1rem;list-style:none}.sidebar-nav li{margin-bottom:4px}.sidebar-nav a,.sidebar-nav button{border-radius:var(--radius-sm);width:100%;color:var(--text-secondary);transition:var(--transition);text-align:right;cursor:pointer;background:0 0;border:none;align-items:center;gap:12px;padding:12px 16px;font-size:.95rem;font-weight:500;display:flex}.sidebar-nav a:hover,.sidebar-nav button:hover,.sidebar-nav a.active{color:var(--primary-600);background:#52b7881a}[data-theme=dark] .sidebar-nav a:hover,[data-theme=dark] .sidebar-nav button:hover,[data-theme=dark] .sidebar-nav a.active{color:var(--primary-400)}.sidebar-nav a.active{font-weight:700}.sidebar-nav svg{flex-shrink:0;width:20px;height:20px}.dashboard-main{flex:1;min-height:calc(100vh - 72px);margin-right:260px;padding:2rem}.dash-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem;margin-bottom:2rem;display:grid}.dash-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);transition:var(--transition);padding:1.5rem}.dash-card:hover{box-shadow:var(--shadow-md)}.dash-card-header{justify-content:space-between;align-items:center;margin-bottom:1rem;display:flex}.dash-card-title{color:var(--text-primary);font-family:Cairo,sans-serif;font-size:1.1rem;font-weight:700}.dash-card-icon{border-radius:var(--radius-sm);color:#fff;justify-content:center;align-items:center;width:44px;height:44px;display:flex}.dash-stat{color:var(--primary-600);font-family:Cairo,sans-serif;font-size:2rem;font-weight:800}[data-theme=dark] .dash-stat{color:var(--primary-400)}.page-header{margin-bottom:2rem}.page-header h1{color:var(--text-primary);font-size:1.6rem}.page-header p{color:var(--text-muted);font-size:.95rem}.lecture-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-md);transition:var(--transition);justify-content:space-between;align-items:center;margin-bottom:1rem;padding:1.5rem;display:flex}.lecture-card:hover{border-color:var(--primary-400);box-shadow:var(--shadow-md)}.lecture-info{align-items:center;gap:1rem;display:flex}.lecture-icon{border-radius:var(--radius-sm);background:linear-gradient(135deg, var(--primary-700), var(--primary-500));color:#fff;flex-shrink:0;justify-content:center;align-items:center;width:50px;height:50px;display:flex}.lecture-details h4{color:var(--text-primary);margin-bottom:4px;font-size:1rem}.lecture-details p{color:var(--text-muted);font-size:.85rem}.lecture-status{border-radius:20px;align-items:center;gap:6px;padding:4px 12px;font-size:.8rem;font-weight:600;display:inline-flex}.lecture-status.live{color:#2ecc71;background:#2ecc7126}.lecture-status.upcoming{color:#f1c40f;background:#f1c40f26}.lecture-status.ended{color:#95a5a6;background:#95a5a626}.status-dot{background:currentColor;border-radius:50%;width:8px;height:8px;animation:2s infinite pulse}.data-table-container{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);overflow:hidden}.data-table{border-collapse:collapse;width:100%}.data-table thead{background:var(--bg-secondary)}.data-table th{text-align:right;color:var(--text-secondary);border-bottom:1px solid var(--border-light);white-space:nowrap;padding:14px 16px;font-size:.85rem;font-weight:700}.data-table td{color:var(--text-primary);border-bottom:1px solid var(--border-light);padding:14px 16px;font-size:.9rem}.data-table tbody tr{transition:var(--transition);cursor:pointer}.data-table tbody tr:hover{background:var(--bg-card-hover)}.data-table tbody tr:last-child td{border-bottom:none}.badge{border-radius:20px;align-items:center;padding:4px 12px;font-size:.8rem;font-weight:600;display:inline-flex}.badge-success{color:#2ecc71;background:#2ecc7126}.badge-warning{color:#e67e22;background:#f1c40f26}.badge-danger{color:#e74c3c;background:#e74c3c26}.badge-info{color:var(--primary-500);background:#52b78826}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:2000;background:#0009;justify-content:center;align-items:center;padding:2rem;animation:.2s fadeIn;display:flex;position:fixed;inset:0}.modal{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);width:100%;max-width:550px;max-height:90vh;box-shadow:var(--shadow-lg);animation:.3s slideUp;overflow-y:auto}.modal-header{border-bottom:1px solid var(--border-light);justify-content:space-between;align-items:center;padding:1.5rem 2rem;display:flex}.modal-header h2{color:var(--text-primary);font-size:1.2rem}.modal-close{color:var(--text-muted);cursor:pointer;transition:var(--transition);background:0 0;border:none;padding:4px;font-size:1.2rem;display:flex}.modal-close:hover{color:#e74c3c}.modal-body{padding:2rem}.modal-footer{border-top:1px solid var(--border-light);justify-content:flex-start;gap:1rem;padding:1.5rem 2rem;display:flex}.toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1.5rem;display:flex}.search-box{flex:1;max-width:400px;position:relative}.search-box input{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-sm);width:100%;color:var(--text-primary);direction:rtl;padding:10px 16px 10px 40px;font-size:.9rem}.search-box input:focus{border-color:var(--primary-500);outline:none;box-shadow:0 0 0 3px #52b78826}.search-box svg{color:var(--text-muted);width:18px;height:18px;position:absolute;top:50%;left:12px;transform:translateY(-50%)}.enrollment-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-md);transition:var(--transition);cursor:pointer;padding:1.5rem}.enrollment-card:hover{border-color:var(--primary-400);box-shadow:var(--shadow-md);transform:translateY(-2px)}.enrollment-header{justify-content:space-between;align-items:center;margin-bottom:1rem;display:flex}.enrollment-header h3{color:var(--text-primary);font-size:1.1rem}.enrollment-info{grid-template-columns:1fr 1fr;gap:.75rem;display:grid}.enrollment-info-item{color:var(--text-muted);align-items:center;gap:8px;font-size:.85rem;display:flex}.enrollment-info-item svg{width:16px;height:16px;color:var(--primary-500);flex-shrink:0}.account-grid{grid-template-columns:1fr 1fr;gap:2rem;display:grid}.account-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:2rem}.account-card h3{color:var(--text-primary);border-bottom:1px solid var(--border-light);margin-bottom:1.5rem;padding-bottom:.75rem;font-size:1.2rem}.account-info{list-style:none}.account-info li{border-bottom:1px solid var(--border-light);justify-content:space-between;padding:10px 0;font-size:.95rem;display:flex}.account-info li:last-child{border-bottom:none}.account-info-label{color:var(--text-muted);font-weight:500}.account-info-value{color:var(--text-primary);font-weight:600}.empty-state{text-align:center;color:var(--text-muted);padding:4rem 2rem}.empty-state svg{opacity:.5;width:64px;height:64px;margin-bottom:1rem}.empty-state h3{color:var(--text-secondary);margin-bottom:.5rem;font-size:1.2rem}.empty-state p{font-size:.95rem}.loading{justify-content:center;align-items:center;padding:4rem;display:flex}.spinner{border:4px solid var(--border-color);border-top-color:var(--primary-500);border-radius:50%;width:40px;height:40px;animation:.8s linear infinite spin}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-12px)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}.page-loader{z-index:9999;background:0 0;height:3px;position:fixed;top:0;left:0;right:0}.page-loader-bar{background:linear-gradient(to left, var(--primary-400), var(--primary-600), var(--primary-400));height:100%;box-shadow:0 0 10px var(--primary-500), 0 0 5px var(--primary-500);border-radius:0 0 2px 2px;transition:width .3s}.spin{animation:1s linear infinite spin}.loading-dots{align-items:center;gap:4px;margin-right:8px;display:inline-flex}.loading-dots span{background:currentColor;border-radius:50%;width:6px;height:6px;animation:1.4s ease-in-out infinite both dotBounce}.loading-dots span:first-child{animation-delay:-.32s}.loading-dots span:nth-child(2){animation-delay:-.16s}.loading-dots span:nth-child(3){animation-delay:0s}@keyframes dotBounce{0%,80%,to{opacity:.4;transform:scale(.4)}40%{opacity:1;transform:scale(1)}}.form-global-error,.form-success{animation:.5s cubic-bezier(.36,.07,.19,.97) both slideInShake}@keyframes slideInShake{0%{opacity:0;transform:translate(40px)}60%{opacity:1;transform:translate(-6px)}80%{transform:translate(3px)}to{opacity:1;transform:translate(0)}}@media (max-width:1024px){.about-content{grid-template-columns:1fr;gap:2rem}.about-image-area{order:-1}.account-grid{grid-template-columns:1fr}}@media (max-width:768px){.navbar{padding:0 1rem}.navbar-inner{flex-wrap:wrap;justify-content:space-between;gap:8px}.navbar-brand{flex-shrink:1;min-width:0}.navbar-brand span{white-space:nowrap;text-overflow:ellipsis;font-size:clamp(.9rem,4vw,1.1rem);overflow:hidden}.navbar-brand img{flex-shrink:0;width:36px;height:36px}.navbar-actions{flex-shrink:0;gap:8px}.theme-toggle{width:36px;height:36px}.navbar-links{background:var(--bg-card);border-bottom:1px solid var(--border-light);box-shadow:var(--shadow-lg);z-index:999;flex-direction:column;gap:.25rem;padding:1rem 1.5rem;display:none;position:absolute;top:72px;left:0;right:0}.navbar-links.open{display:flex}.navbar-links li{list-style:none}.navbar-links a{border-radius:var(--radius-sm);padding:10px 12px;font-size:1rem;display:block}.navbar-links a:hover{background:#52b7881a}.navbar-links a:after{display:none}.mobile-auth-links{border-top:1px solid var(--border-light);margin-top:.5rem;padding-top:.75rem;display:block}.desktop-auth-btns{display:none}.mobile-menu-btn{justify-content:center;align-items:center;display:flex}.hero-glass{margin:0 1rem;padding:2rem 1.5rem}.hero h1{font-size:1.8rem}.hero p{font-size:1rem}.hero-logo{width:80px;height:80px}.hero .btn{padding:12px 32px;font-size:.95rem}.contact-cards{grid-template-columns:repeat(2,1fr)}.form-row{grid-template-columns:1fr}.dashboard-sidebar{background:var(--bg-card);border-left:1px solid var(--border-light);z-index:600;visibility:hidden;width:280px;max-width:85vw;transition:right .35s cubic-bezier(.25,.8,.25,1),visibility .35s;position:fixed;top:72px;bottom:0;right:-100%;overflow-y:auto}.dashboard-sidebar:before{content:"";-webkit-backdrop-filter:blur(4px);opacity:0;visibility:hidden;z-index:-1;pointer-events:none;background:#0006;width:100vw;transition:opacity .35s,visibility .35s;position:fixed;top:72px;bottom:0;left:0}.dashboard-sidebar.open{visibility:visible;right:0;box-shadow:-4px 0 25px #00000026}.dashboard-sidebar.open:before{opacity:1;visibility:visible}.dashboard-main{width:100%;margin-right:0;padding:1.5rem 1rem}.toolbar{flex-direction:column;align-items:stretch}.search-box{max-width:100%}.dash-grid,.about-features,.enrollment-info{grid-template-columns:1fr}.lecture-card{text-align:center;flex-direction:column;gap:1rem}.lecture-info{flex-direction:column}.data-table-container{overflow-x:auto}.data-table th,.data-table td{padding:10px 8px;font-size:.8rem}.page-header h1{font-size:1.3rem}.account-grid{grid-template-columns:1fr}}@media (max-width:480px){.contact-cards{grid-template-columns:1fr}.section{padding:3rem 1rem}.section-title h2{font-size:1.6rem}.auth-card{padding:1.5rem}}.floating-whatsapp{z-index:1000;cursor:pointer;background:#25d366;border-radius:50%;justify-content:center;align-items:center;width:60px;height:60px;transition:opacity .4s,transform .4s,box-shadow .2s;display:flex;position:fixed;bottom:24px;right:24px;box-shadow:0 4px 20px #25d36666}.floating-whatsapp:hover{box-shadow:0 6px 28px #25d36699;transform:scale(1.08)!important}@media (max-width:768px){.floating-whatsapp{width:52px;height:52px;bottom:16px;right:16px}.floating-whatsapp svg{width:26px;height:26px}}.image-upload-area{border:2px dashed var(--border-color);border-radius:var(--radius-md);text-align:center;cursor:pointer;padding:1.5rem;transition:border-color .2s,background .2s;position:relative;overflow:hidden}.image-upload-area:hover{border-color:var(--primary-500);background:#52b7880d}.image-upload-area img{object-fit:cover;border-radius:var(--radius-sm);max-width:100%;max-height:180px}.image-upload-area .upload-placeholder{color:var(--text-muted);flex-direction:column;align-items:center;gap:8px;font-size:.9rem;display:flex}.course-card-image img{display:block}.course-card-image:has(img){background:0 0;padding:0}.modal-overlay{-webkit-backdrop-filter:blur(4px);z-index:2000;background:#0009;justify-content:center;align-items:center;padding:1rem;animation:.3s ease-out fadeIn;display:flex;position:fixed;inset:0}.modal-content{background:var(--bg-card);border-radius:var(--radius-lg);width:100%;max-width:500px;box-shadow:var(--shadow-lg);border:1px solid var(--border-light);max-height:90vh;padding:2rem;animation:.3s ease-out slideUp;position:relative;overflow-y:auto}.modal-close{color:var(--text-muted);transition:var(--transition);background:0 0;border:none;padding:4px;position:absolute;top:1rem;right:1rem}.modal-close:hover{color:var(--text-primary);transform:rotate(90deg)}.modal-title{color:var(--primary-600);text-align:center;margin-bottom:1rem;font-size:1.4rem}[data-theme=dark] .modal-title{color:var(--primary-400)}.modal-desc{color:var(--text-secondary);text-align:center;margin-bottom:1.5rem;font-size:.95rem;line-height:1.6}.payment-methods{flex-direction:column;gap:1rem;margin-bottom:1.5rem;display:flex}.payment-method{border:1px solid var(--border-light);border-radius:var(--radius-md);background:var(--bg-secondary);transition:var(--transition);align-items:center;gap:1rem;padding:1rem;display:flex}.payment-method:hover{border-color:var(--primary-400);background:var(--bg-card-hover);box-shadow:var(--shadow-sm);transform:translateY(-2px)}.payment-icon{object-fit:contain;background:#fff;border-radius:8px;width:48px;height:48px;padding:4px}.payment-details{flex-direction:column;display:flex}.payment-name{color:var(--text-primary);font-size:1rem;font-weight:700}.payment-number{color:var(--text-muted);font-family:monospace;font-size:.95rem}.submit-whatsapp-btn{color:#fff;background:#25d366;border:none;box-shadow:0 4px 15px #25d3664d}.submit-whatsapp-btn:hover{background:#20ba56;box-shadow:0 6px 20px #25d36666}