@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Poppins:wght@300;400;500;600;700;800&display=swap";:root{--navy:#0a1628;--navy-light:#112240;--blue:#1a56db;--blue-light:#2563eb;--blue-dark:#1340b0;--gold:#d4a017;--gold-light:#f5c842;--green:#10b981;--red:#e11d48;--purple:#7c3aed;--teal:#0891b2;--orange:#d97706;--white:#fff;--gray-50:#f8fafc;--gray-100:#f1f5f9;--gray-200:#e2e8f0;--gray-300:#cbd5e1;--gray-400:#94a3b8;--gray-500:#64748b;--gray-600:#475569;--gray-700:#334155;--gray-800:#1e293b;--gray-900:#0f172a;--font-heading:"Inter", sans-serif;--font-body:"Poppins", sans-serif;--section-py:80px;--radius-sm:6px;--radius-md:12px;--radius-lg:20px;--radius-xl:32px;--radius-full:9999px;--shadow-sm:0 1px 3px #00000014;--shadow-md:0 4px 16px #0000001a;--shadow-lg:0 8px 32px #00000026;--shadow-xl:0 20px 60px #0003;--transition:all .3s ease}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-body);color:var(--gray-800);background:var(--white);-webkit-font-smoothing:antialiased;line-height:1.6;overflow-x:hidden}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:700;line-height:1.2}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{cursor:pointer;border:none;outline:none;font-family:inherit}input,textarea,select{outline:none;font-family:inherit}ul,ol{list-style:none}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--gray-100)}::-webkit-scrollbar-thumb{background:var(--blue);border-radius:var(--radius-full)}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}.section-py{padding:var(--section-py) 0}.text-center{text-align:center}.text-gold{color:var(--gold)}.text-blue{color:var(--blue)}.text-white{color:var(--white)}.text-navy{color:var(--navy)}.bg-navy{background:var(--navy)}.bg-gray{background:var(--gray-50)}.section-title{color:var(--navy);margin-bottom:12px;font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800}.section-subtitle{color:var(--gray-500);max-width:560px;margin:0 auto 48px;font-size:1.05rem}.badge{color:var(--blue);letter-spacing:1.5px;text-transform:uppercase;border-radius:var(--radius-full);background:#1a56db1a;border:1px solid #1a56db33;margin-bottom:12px;padding:4px 14px;font-size:.78rem;font-weight:600;display:inline-block}.btn{border-radius:var(--radius-full);transition:var(--transition);cursor:pointer;align-items:center;gap:8px;padding:12px 28px;font-size:.95rem;font-weight:600;display:inline-flex}.btn-primary{background:linear-gradient(135deg, var(--blue), var(--blue-dark));color:var(--white);box-shadow:0 4px 16px #1a56db59}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px #1a56db73}.btn-gold{background:linear-gradient(135deg, var(--gold), var(--gold-light));color:var(--navy);box-shadow:0 4px 16px #d4a01759}.btn-gold:hover{transform:translateY(-2px);box-shadow:0 8px 24px #d4a01773}.btn-outline{color:var(--white);background:0 0;border:2px solid #ffffff80}.btn-outline:hover{border-color:var(--white);background:#ffffff1a;transform:translateY(-2px)}.btn-outline-navy{color:var(--navy);border:2px solid var(--navy);background:0 0}.btn-outline-navy:hover{background:var(--navy);color:var(--white);transform:translateY(-2px)}.btn-spinner{border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:16px;height:16px;animation:.7s linear infinite spin;display:inline-block}.card{background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);transition:var(--transition);overflow:hidden}.card:hover{box-shadow:var(--shadow-xl);transform:translateY(-6px)}.skeleton{border-radius:var(--radius-md);background:linear-gradient(90deg,#e2e8f0 25%,#f8fafc 50%,#e2e8f0 75%) 0 0/200% 100%;animation:1.5s infinite shimmer}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}#nprogress .bar{background:var(--gold)!important;height:3px!important}#nprogress .peg{box-shadow:0 0 10px var(--gold), 0 0 5px var(--gold)!important}.swiper-pagination-bullet{background:var(--white)!important;opacity:.5!important}.swiper-pagination-bullet-active{background:var(--gold)!important;opacity:1!important}.swiper-button-next,.swiper-button-prev{color:var(--white)!important}.section-header{text-align:center;margin-bottom:56px}.section-header .section-title{margin-bottom:12px}.section-header .divider{background:linear-gradient(90deg, var(--blue), var(--gold));border-radius:var(--radius-full);width:60px;height:4px;margin:16px auto 20px}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.form-group{flex-direction:column;gap:6px;display:flex}.form-label{color:var(--gray-700);font-size:.875rem;font-weight:600}.form-control{border:1.5px solid var(--gray-200);border-radius:var(--radius-md);color:var(--gray-800);background:var(--white);transition:var(--transition);padding:11px 16px;font-size:.95rem}.form-control:focus{border-color:var(--blue);box-shadow:0 0 0 3px #1a56db1f}.form-control::placeholder{color:var(--gray-400)}textarea.form-control{resize:vertical;min-height:120px}@media (width<=768px){:root{--section-py:40px}.container{padding:0 16px}.section-title{margin-bottom:8px;font-size:1.6rem}.section-subtitle{margin-bottom:32px;font-size:.95rem}.section-header{margin-bottom:40px}}.filter-btn{border:1px solid var(--gray-200);color:var(--gray-600);cursor:pointer;background:#fff;border-radius:30px;margin:4px;padding:8px 20px;font-weight:600;transition:all .2s}.filter-btn:hover,.filter-btn.active{background:var(--blue);color:#fff;border-color:var(--blue)}.admin-course-grid{grid-template-columns:1fr;gap:12px;margin-top:16px;display:grid}.admin-course-grid>.course-name-col{grid-column:1/-1}@media (width>=768px){.admin-course-grid{grid-template-columns:1fr 1fr 1fr}.admin-course-grid>.course-name-col{grid-column:1/span 2}}#nprogress{pointer-events:none}#nprogress .bar{z-index:1031;background:#29d;width:100%;height:2px;position:fixed;top:0;left:0}#nprogress .peg{opacity:1;width:100px;height:100%;display:block;position:absolute;right:0;transform:rotate(3deg)translateY(-4px);box-shadow:0 0 10px #29d,0 0 5px #29d}#nprogress .spinner{z-index:1031;display:block;position:fixed;top:15px;right:15px}#nprogress .spinner-icon{box-sizing:border-box;border:2px solid #0000;border-color:#29d #0000 #0000 #29d;border-radius:50%;width:18px;height:18px;animation:.4s linear infinite nprogress-spinner}.nprogress-custom-parent{position:relative;overflow:hidden}.nprogress-custom-parent #nprogress .spinner,.nprogress-custom-parent #nprogress .bar{position:absolute}@-webkit-keyframes nprogress-spinner{0%{-webkit-transform:rotate(0)}to{-webkit-transform:rotate(360deg)}}@keyframes nprogress-spinner{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.admin-layout{background:#f1f5f9;min-height:100vh;display:flex}.admin-sidebar{color:#fff;background:#0a1628;border-right:1px solid #ffffff0f;flex-direction:column;flex-shrink:0;width:260px;height:100vh;display:flex;position:sticky;top:0;overflow-y:auto}.admin-brand{border-bottom:1px solid #ffffff0f;align-items:center;gap:12px;padding:24px 20px;display:flex}.admin-logo{object-fit:contain;width:36px;height:36px}.admin-brand-text{flex-direction:column;display:flex}.admin-brand-text span:first-child{font-size:1.1rem;font-weight:800;line-height:1.1}.admin-brand-text span:last-child{color:#d4a017;font-size:.75rem;font-weight:500}.admin-nav{flex-direction:column;flex:1;gap:4px;padding:20px 12px;display:flex}.admin-nav-section{margin-bottom:20px}.admin-nav-category{text-transform:uppercase;color:var(--gray-400);letter-spacing:.5px;margin:0 0 8px 16px;font-size:.75rem;font-weight:700}.admin-nav-link{color:#94a3b8;border-radius:8px;align-items:center;gap:12px;padding:10px 16px;font-size:.9rem;font-weight:500;transition:all .2s;display:flex}.admin-nav-icon{font-size:1.1rem}.admin-nav-link:hover{color:#fff;background:#ffffff0a}.admin-nav-link.active{color:#fff;background:linear-gradient(90deg,#1a56db4d 0%,#1a56db00 100%);border-left:3px solid #1a56db}.admin-nav-link.active .admin-nav-icon{color:#1a56db}.admin-sidebar-footer{border-top:1px solid #ffffff0f;padding:16px 20px 24px}.admin-user{align-items:center;gap:12px;margin-bottom:16px;display:flex}.admin-avatar{color:#fff;background:#1a56db;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;font-size:1rem;font-weight:700;display:flex}.admin-info{flex-direction:column;display:flex;overflow:hidden}.admin-name{white-space:nowrap;text-overflow:ellipsis;font-size:.85rem;font-weight:600;overflow:hidden}.admin-role{color:#94a3b8;text-transform:capitalize;font-size:.75rem}.admin-logout-btn{color:#e11d48;background:#e11d481a;border-radius:8px;justify-content:center;align-items:center;gap:8px;width:100%;padding:10px;font-size:.85rem;font-weight:600;transition:all .2s;display:flex}.admin-logout-btn:hover{color:#fff;background:#e11d48}.admin-main{flex:1;padding:32px 40px;overflow-x:hidden}.admin-sidebar::-webkit-scrollbar{width:4px}.admin-sidebar::-webkit-scrollbar-track{background:0 0}.admin-sidebar::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:4px}.admin-mobile-header{background:var(--navy);color:#fff;box-shadow:var(--shadow-sm);z-index:40;justify-content:space-between;align-items:center;padding:12px 20px;display:none;position:sticky;top:0}.admin-mobile-brand{align-items:center;gap:10px;font-size:1.1rem;font-weight:700;display:flex}.admin-mobile-logo{object-fit:contain;width:32px;height:32px}.admin-mobile-toggle{color:#fff;background:0 0;border-radius:4px;justify-content:center;align-items:center;padding:8px;font-size:1.3rem;display:flex}.admin-sidebar-close,.admin-sidebar-overlay{display:none}@media (width<=768px){.admin-layout{flex-direction:column}.admin-mobile-header{display:flex}.admin-main{padding:20px 16px}.admin-sidebar{z-index:50;transition:transform .3s cubic-bezier(.4,0,.2,1);position:fixed;top:0;bottom:0;left:0;transform:translate(-100%)}.admin-sidebar.open{transform:translate(0)}.admin-brand{justify-content:space-between}.admin-sidebar-close{color:#fff;background:#ffffff1a;border-radius:4px;justify-content:center;align-items:center;width:32px;height:32px;display:flex}.admin-sidebar-overlay{z-index:45;background:#00000080;width:100%;height:100%;display:block;position:fixed;top:0;left:0}}.admin-footer{color:#64748b;border-top:1px solid #e2e8f0;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin-top:20px;padding-top:20px;font-size:.85rem;display:flex}.admin-footer-dev-link{color:#1a56db;font-weight:600;text-decoration:none}.admin-footer-dev-link:hover{text-decoration:underline}@media (width<=768px){.admin-footer{text-align:center;flex-direction:column;justify-content:center;padding-bottom:20px}}