@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Poppins:wght@400;500;600;700;800&display=swap";:root{--primary:#00d084;--primary-hover:#00b975;--primary-glow:#00d08426;--bg-sidebar:#0f172a;--bg-main:#f8fafc;--text-main:#1a1a1a;--text-muted:#555;--border:#eef2f6;--sidebar-width:280px;--radius:16px}*{box-sizing:border-box;transition:all .2s}body{background-color:var(--bg-main);color:var(--text-main);margin:0;font-family:Poppins,Inter,sans-serif}.admin-container{min-height:100vh;display:flex}.sidebar{width:var(--sidebar-width);background-color:var(--bg-sidebar);color:#fff;z-index:100;flex-direction:column;height:100vh;display:flex;position:fixed;overflow-y:auto;box-shadow:10px 0 40px #0000000d}.sidebar-header{border-bottom:1px solid #ffffff14;padding:28px 24px}.sidebar-brand{align-items:center;gap:12px;text-decoration:none;display:flex}.sidebar-logo{object-fit:contain;background:#fff;border-radius:10px;flex-shrink:0;width:40px;height:40px;padding:4px}.sidebar-site-name{color:#fff;letter-spacing:-.02em;font-family:Poppins,sans-serif;font-size:1.3rem;font-weight:800}.nav-menu{flex-direction:column;flex:1;gap:6px;padding:24px 16px;display:flex;overflow-y:auto}.nav-menu button{color:#94a3b8;text-align:left;cursor:pointer;background:0 0;border:none;border-radius:12px;align-items:center;gap:12px;padding:12px 16px;font-size:.95rem;font-weight:500;display:flex}.nav-menu button:hover{color:#fff;background:#ffffff08}.nav-menu button.active{background:var(--primary);color:#fff;box-shadow:0 4px 15px var(--primary-glow)}.sidebar-bottom-group{border-top:1px solid #ffffff0d;margin-top:auto}.user-info{align-items:center;gap:12px;display:flex}.user-avatar{color:#94a3b8;background:#ffffff1a;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;display:flex}.user-text{flex-direction:column;gap:2px;display:flex}.user-name{color:#fff;font-size:.9rem;font-weight:600}.user-role{color:#64748b;font-size:.75rem}.sidebar-footer{cursor:pointer;background:#0003;padding:20px}.sidebar-footer.active{border-left:4px solid var(--primary);background:#00d0840d}.btn-sidebar-logout{color:#ef4444;text-align:left;background:0 0;border:none;align-items:center;gap:12px;width:100%;padding:16px 24px;font-weight:600;display:flex}.btn-sidebar-logout:hover{background:#ef44440d}.mobile-header{z-index:150;border-bottom:1px solid var(--border);background:#fff;justify-content:space-between;align-items:center;height:70px;padding:0 24px;display:none;position:fixed;top:0;left:0;right:0;box-shadow:0 2px 10px #00000005}.mobile-logo{height:32px}.hamburger{cursor:pointer;background:0 0;border:none;padding:8px}.hamburger-box{flex-direction:column;justify-content:space-between;width:24px;height:18px;display:flex;position:relative}.hamburger-box span{background-color:var(--bg-sidebar);border-radius:4px;width:100%;height:2px;transition:all .3s;display:block}.hamburger-box.active span:first-child{transform:translateY(8px)rotate(45deg)}.hamburger-box.active span:nth-child(2){opacity:0}.hamburger-box.active span:nth-child(3){transform:translateY(-8px)rotate(-45deg)}.sidebar-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:95;background:#0f172a66;animation:.3s fadeIn;position:fixed;inset:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.content-area{margin-left:var(--sidebar-width);flex:1;max-width:1300px;padding:48px}.content-header{justify-content:space-between;align-items:center;margin-bottom:40px;display:flex}.content-header h1{letter-spacing:-.02em;margin:0;font-size:2.5rem;font-weight:800}.editor-grid{grid-template-columns:repeat(auto-fill,minmax(500px,1fr));gap:24px;display:grid}.card{border-radius:var(--radius);border:1px solid var(--border);background:#fff;padding:32px;box-shadow:0 10px 30px #00000005}.card h3{align-items:center;gap:10px;margin-bottom:0;font-size:1.25rem;font-weight:700;display:flex}.flex-between{justify-content:space-between;align-items:center;display:flex}.badge{text-transform:uppercase;border-radius:100px;padding:6px 12px;font-size:.75rem;font-weight:800}.badge-active{color:var(--primary);background:#00d0841a}.form-group{margin-top:24px}.form-group label{color:#64748b;margin-bottom:8px;font-size:.85rem;font-weight:600;display:block}.form-group input,.form-group textarea{background:#f8fafc;border:2px solid #f1f5f9;border-radius:12px;outline:none;width:100%;padding:14px;font-family:inherit;font-size:.95rem}.form-group input:focus,.form-group textarea:focus{border-color:var(--primary);background:#fff}.form-group textarea{min-height:120px;line-height:1.6}.btn-primary{background:var(--primary);color:#fff;cursor:pointer;box-shadow:0 4px 15px var(--primary-glow);border:none;border-radius:12px;align-items:center;gap:10px;margin-top:24px;padding:14px 28px;font-weight:700;display:flex}.btn-primary:hover{background:var(--primary-hover);transform:translateY(-2px)}.status-toast{color:#fff;z-index:1000;background:#10b981;border-radius:12px;align-items:center;gap:12px;padding:16px 24px;font-weight:600;animation:.3s ease-out slideIn;display:flex;position:fixed;top:40px;right:40px;box-shadow:0 10px 20px #10b98133}@keyframes slideIn{0%{opacity:0;transform:translate(100px)}to{opacity:1;transform:translate(0)}}.modal-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;background:#0f172a99;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal-content{width:100%;max-width:600px;animation:.3s cubic-bezier(.34,1.56,.64,1) modalIn}@keyframes modalIn{0%{opacity:0;transform:scale(.9)translateY(20px)}to{opacity:1;transform:scale(1)translateY(0)}}.courses-list-admin{flex-direction:column;gap:12px;margin-top:24px;display:flex}.course-item-admin{border:1px solid var(--border);background:#f8fafc;border-radius:12px;align-items:center;gap:20px;padding:16px;display:flex}.edit-fields input,.edit-fields textarea,.edit-fields select{background:#fff;border:2px solid #e2e8f0;border-radius:8px;outline:none;width:100%;padding:10px 14px;font-family:inherit;font-size:.9rem}.edit-fields input:focus,.edit-fields textarea:focus,.edit-fields select:focus{border-color:var(--primary)}.edit-fields textarea{resize:vertical;min-height:80px}.course-img-preview{background:#e2e8f0;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:80px;height:80px;display:flex;position:relative;overflow:hidden}.edit-image-btn{color:#fff;opacity:0;cursor:pointer;text-align:center;background:#00000080;flex-direction:column;justify-content:center;align-items:center;font-size:.75rem;font-weight:600;transition:opacity .2s;display:flex;position:absolute;inset:0}.course-img-preview:hover .edit-image-btn{opacity:1}.course-img-preview img{object-fit:cover;width:100%;height:100%}.course-info-admin{flex:1}.course-info-admin h4{margin:0 0 4px;font-size:1rem}.course-price-badge{background:var(--primary-glow);color:var(--primary);border-radius:6px;padding:2px 10px;font-size:.85rem;font-weight:700}.course-actions{gap:8px;display:flex}.btn-icon{border:1px solid var(--border);cursor:pointer;background:#fff;border-radius:8px;padding:8px;display:flex}.btn-icon:hover{background:#f1f5f9}.btn-secondary{color:#64748b;cursor:pointer;background:#f1f5f9;border:none;border-radius:12px;padding:14px 28px;font-weight:700}.form-grid{grid-template-columns:1fr 1fr;gap:20px;display:grid}.mt-6{margin-top:24px}.text-sm{font-size:.875rem}.flex{display:flex}.gap-4{gap:1rem}.add-section-card{cursor:pointer;background:#f8fafc80;border:2px dashed #cbd5e1;justify-content:center;align-items:center;min-height:200px;display:flex}.btn-add-section{color:#64748b;cursor:pointer;background:0 0;border:none;flex-direction:column;align-items:center;gap:12px;font-family:inherit;font-weight:600;display:flex}.btn-add-section:hover{color:var(--primary)}.add-section-form{width:100%}.add-section-form h4{color:var(--text-main);margin:0 0 16px}@media (width<=1024px){.sidebar{z-index:200;flex-direction:column;display:flex;overflow-y:auto;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.mobile-header{display:flex}.content-area{margin-left:0;padding:90px 20px 40px}.editor-grid{grid-template-columns:1fr}.sidebar-bottom-group{flex-shrink:0;margin-top:auto}.nav-menu{flex:1;overflow-y:auto}}@media (width<=768px){.content-area{padding:80px 16px 40px}.content-header h1{font-size:1.8rem}.card,.modal-content{padding:20px}.form-grid{grid-template-columns:1fr}.btn-primary,.btn-secondary{padding:12px 20px;font-size:.9rem}}@media (width<=480px){.content-area{padding:76px 12px 40px}.content-header{flex-direction:column;align-items:flex-start;gap:12px}.content-header h1{font-size:1.5rem}.card{border-radius:12px;padding:16px}.sidebar{width:260px}.mobile-header{height:62px;padding:0 16px}.course-item-admin{padding:12px}}.login-container{background:linear-gradient(135deg,#f8fafc 0%,#e2e8f0 100%);justify-content:center;align-items:center;height:100vh;padding:20px;display:flex}.login-card{background:#fff;border-radius:32px;width:100%;max-width:450px;padding:56px;box-shadow:0 25px 70px -10px #0000001a}.login-header h2{margin:16px 0 8px;font-size:2rem;font-weight:800}.login-logo{height:60px}