.alert-overlay{position:fixed;inset:0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:10000;animation:fadeIn .2s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.alert-popup{background:var(--bg-secondary);border-radius:16px;padding:2rem;max-width:450px;width:90%;box-shadow:0 20px 60px #0000004d;animation:slideUp .3s ease-out;border:1px solid var(--border-color)}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.alert-icon{width:64px;height:64px;margin:0 auto 1.5rem;border-radius:50%;display:flex;align-items:center;justify-content:center;animation:scaleIn .4s ease-out}@keyframes scaleIn{0%{transform:scale(0)}to{transform:scale(1)}}.alert-icon svg{width:36px;height:36px}.alert-success .alert-icon{background:linear-gradient(135deg,#10b981,#059669);color:#fff}.alert-success .alert-btn-ok{background:linear-gradient(135deg,#10b981,#059669)}.alert-error .alert-icon{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff}.alert-error .alert-btn-ok{background:linear-gradient(135deg,#ef4444,#dc2626)}.alert-warning .alert-icon{background:linear-gradient(135deg,#f59e0b,#d97706);color:#fff}.alert-warning .alert-btn-ok{background:linear-gradient(135deg,#f59e0b,#d97706)}.alert-info .alert-icon{background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff}.alert-info .alert-btn-ok{background:linear-gradient(135deg,#3b82f6,#2563eb)}.alert-confirm .alert-icon{background:linear-gradient(135deg,#8b5cf6,#7c3aed);color:#fff}.alert-confirm .alert-btn-confirm{background:linear-gradient(135deg,#8b5cf6,#7c3aed)}.alert-content{text-align:center;margin-bottom:1.5rem}.alert-message{font-size:1.1rem;color:var(--text-primary);line-height:1.6;margin:0}.alert-actions{display:flex;gap:.75rem;justify-content:center}.alert-btn{padding:.75rem 2rem;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;color:#fff;min-width:100px}.alert-btn:hover{transform:translateY(-2px);box-shadow:0 8px 16px #0003}.alert-btn:active{transform:translateY(0)}.alert-btn-cancel{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-color)}.alert-btn-cancel:hover{background:var(--bg-secondary)}@media(max-width:768px){.alert-popup{padding:1.5rem;max-width:90%}.alert-icon{width:56px;height:56px;margin-bottom:1rem}.alert-icon svg{width:30px;height:30px}.alert-message{font-size:1rem}.alert-btn{padding:.625rem 1.5rem;font-size:.9375rem;min-width:80px}}@media(prefers-color-scheme:dark){.alert-overlay{background:#000c}.alert-popup{box-shadow:0 20px 60px #0009}}:root{--color-primary: #1A5A92;--color-accent: #2683C6;--color-accent-hover: #1A5A92;--color-accent-dark: #1A5A92;--color-white: #ffffff;--color-black: #0a0a0a;--bg-primary: #f4f6f9;--bg-secondary: #ffffff;--bg-glass: rgba(255, 255, 255, .7);--text-primary: #1a2a3a;--text-secondary: #4a5568;--text-accent: #2683C6;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--font-sans: "Inter", system-ui, -apple-system, sans-serif;--transition-fast: .2s ease;--transition-normal: .3s ease}[data-theme=dark]{--color-primary: #5BADD6;--bg-primary: #0f1d2e;--bg-secondary: #162d44;--bg-glass: rgba(22, 45, 68, .7);--text-primary: #e8edf2;--text-secondary: #8da4be;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .5);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .5)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;transition:background-color var(--transition-normal),color var(--transition-normal);overflow-x:hidden}a{text-decoration:none;color:inherit}ul{list-style:none}button{cursor:pointer;font-family:inherit}img{max-width:100%;display:block}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--color-accent);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--color-accent-hover)}@keyframes spin{to{transform:rotate(360deg)}}.navbar{position:fixed;top:0;left:0;width:100%;height:80px;background-color:var(--bg-glass);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);display:flex;justify-content:space-between;align-items:center;padding:0 5%;z-index:1000;box-shadow:var(--shadow-sm);transition:all var(--transition-normal)}.navbar-logo img{height:90px;width:auto}[data-theme=dark] .navbar-logo img{filter:brightness(1.6)}.navbar-logo span{color:var(--color-accent)}.navbar-links{display:flex;align-items:center;gap:30px}.nav-link{font-weight:500;color:var(--text-primary);position:relative;transition:color var(--transition-fast)}.nav-link:hover,.nav-link.active{color:var(--color-accent)}.nav-link:after{content:"";position:absolute;width:0%;height:2px;bottom:-4px;left:0;background-color:var(--color-accent);transition:width var(--transition-fast)}.nav-link:hover:after,.nav-link.active:after{width:100%}.navbar-actions{display:flex;align-items:center;gap:20px}.cart-icon{position:relative;font-size:1.3rem;color:var(--text-primary);display:flex;align-items:center;justify-content:center;padding:8px;border-radius:50%;transition:all var(--transition-fast)}.cart-icon:hover{background-color:#0000000d;color:var(--color-accent)}[data-theme=dark] .cart-icon:hover{background-color:#ffffff1a}.cart-badge{position:absolute;top:2px;right:2px;background:var(--color-accent);color:#fff;font-size:.7rem;font-weight:600;min-width:18px;height:18px;border-radius:50%;display:flex;align-items:center;justify-content:center;padding:2px;animation:badgePop .3s ease-out}@keyframes badgePop{0%{transform:scale(0)}50%{transform:scale(1.2)}to{transform:scale(1)}}.theme-toggle{background:none;border:none;font-size:1.2rem;color:var(--text-primary);display:flex;align-items:center;justify-content:center;padding:8px;border-radius:50%;transition:background-color var(--transition-fast)}.theme-toggle:hover{background-color:#0000000d}[data-theme=dark] .theme-toggle:hover{background-color:#ffffff1a}.menu-toggle{display:none;font-size:1.5rem;background:none;border:none;color:var(--text-primary)}@media(max-width:768px){.navbar-links{position:absolute;top:80px;left:0;width:100%;background-color:var(--bg-secondary);flex-direction:column;padding:2rem 0;gap:2rem;transform:translateY(-150%);transition:transform var(--transition-normal);box-shadow:var(--shadow-md)}.navbar-links.open{transform:translateY(0)}.menu-toggle{display:block}}.nav-item-dropdown{position:relative;display:flex;flex-direction:column;align-items:center}.dropdown-menu{display:none;position:absolute;top:100%;left:50%;transform:translate(-50%);background-color:var(--bg-secondary);min-width:160px;box-shadow:var(--shadow-md);border-radius:8px;padding:.5rem 0;z-index:1000;border:1px solid var(--border-color)}.dropdown-menu.show{display:block;animation:fadeIn .15s ease-in-out}.dropdown-item{display:block;padding:10px 20px;color:var(--text-primary);text-decoration:none;transition:background-color var(--transition-fast),color var(--transition-fast);text-align:center;font-weight:500}.dropdown-item:hover,.dropdown-item.active{background-color:#002d720d;color:var(--color-accent)}@keyframes fadeIn{0%{opacity:0;transform:translate(-50%,-10px)}to{opacity:1;transform:translate(-50%)}}@media(min-width:769px){.sub-dropdown{width:100%;position:relative}.sub-dropdown .dropdown-menu.sub-menu{top:0;left:100%;transform:translate(0);margin-left:2px}.sub-dropdown .dropdown-menu.sub-menu.show{animation:slideInRight .15s ease-in-out}}@keyframes slideInRight{0%{opacity:0;transform:translate(-10px)}to{opacity:1;transform:translate(0)}}@media(max-width:768px){.dropdown-menu{position:static;transform:none;box-shadow:none;border:none;background-color:transparent;padding-top:10px;padding-bottom:0}.dropdown-menu.show{animation:none}.nav-item-dropdown{width:100%}.sub-menu{padding-left:15px!important;border-left:2px solid rgba(0,0,0,.05)!important;margin-left:10px}[data-theme=dark] .sub-menu{border-left:2px solid rgba(255,255,255,.05)!important}}.footer{background-color:var(--bg-secondary);color:var(--text-secondary);padding:3rem 5%;margin-top:auto;border-top:1px solid rgba(0,0,0,.05)}[data-theme=dark] .footer{border-top:1px solid rgba(255,255,255,.05)}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:2rem;margin-bottom:2rem}.footer-section h3{color:var(--text-primary);margin-bottom:1rem;font-size:1.2rem}.footer-section p,.footer-section a{display:block;margin-bottom:.5rem;transition:color var(--transition-fast)}.footer-section a:hover{color:var(--color-accent)}.footer-bottom{text-align:center;padding-top:1.5rem;border-top:1px solid rgba(0,0,0,.05);font-size:.9rem}[data-theme=dark] .footer-bottom{border-top:1px solid rgba(255,255,255,.05)}.admin-layout{display:flex;min-height:100vh}.admin-sidebar{width:250px;background-color:var(--color-primary);color:#fff;display:flex;flex-direction:column;position:fixed;height:100vh;left:0;top:0;z-index:100}.sidebar-header{padding:1.5rem;border-bottom:1px solid rgba(255,255,255,.1)}.sidebar-header h3{margin:0;font-size:1.2rem;color:var(--color-accent)}.sidebar-nav{flex:1;padding:1.5rem 0;display:flex;flex-direction:column;gap:.5rem}.nav-item{padding:12px 1.5rem;color:#fffc;text-decoration:none;transition:all .2s;font-weight:500;border-left:3px solid transparent}.nav-item:hover{background-color:#ffffff0d;color:#fff}.nav-item.active{background-color:#2683c61a;color:var(--color-accent);border-left-color:var(--color-accent)}.sidebar-footer{padding:1.5rem;border-top:1px solid rgba(255,255,255,.1)}.logout-btn{width:100%;padding:10px;background-color:transparent;border:1px solid rgba(255,255,255,.2);color:#fff;border-radius:6px;cursor:pointer;transition:all .2s}.logout-btn:hover{background-color:#dc262633;border-color:#dc2626;color:#fca5a5}.admin-content{margin-left:250px;flex:1;padding:2rem;background-color:var(--bg-primary)}.admin-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.admin-title{font-size:1.8rem;color:var(--text-primary)}.admin-btn{background-color:var(--color-primary);color:#fff;padding:10px 20px;border-radius:8px;border:none;font-weight:500;display:flex;align-items:center;gap:.5rem;transition:transform .2s;text-decoration:none}.admin-btn:hover{transform:translateY(-2px);box-shadow:0 4px 6px -1px #0000001a}.admin-table-container{background-color:var(--bg-secondary);border-radius:12px;box-shadow:var(--shadow-sm);padding:1.5rem;min-height:400px}.table-responsive{overflow-x:auto;margin-bottom:2rem}.admin-table{width:100%;border-collapse:collapse;font-size:.95rem}.admin-table th{text-align:left;padding:1rem;background-color:var(--bg-primary);color:var(--text-secondary);font-weight:600;font-size:.85rem;letter-spacing:.5px;border:1px solid rgba(0,0,0,.1)}.admin-table td{padding:1rem;border:1px solid rgba(0,0,0,.1);vertical-align:middle;color:var(--text-primary)}.admin-table tr:last-child td{border-bottom:1px solid rgba(0,0,0,.1)}.table-thumb{width:50px;height:50px;object-fit:cover;border-radius:6px;background-color:#fff;border:1px solid rgba(0,0,0,.1)}.category-badge{background-color:#2683c61a;color:var(--color-accent);padding:4px 10px;border-radius:12px;font-size:.8rem;font-weight:500;text-transform:capitalize}.table-controls{display:flex;justify-content:flex-end;align-items:center;gap:1rem;margin-bottom:1.5rem;font-size:.9rem;color:var(--text-secondary)}.limit-select{padding:6px 12px;border-radius:6px;border:1px solid rgba(0,0,0,.1);background-color:var(--bg-primary);color:var(--text-primary);cursor:pointer}.action-btn{padding:6px 12px;border:none;border-radius:6px;cursor:pointer;font-size:.8rem;font-weight:500;transition:all .2s}.delete-btn{background-color:#fdd;color:#dc2626}.delete-btn:hover{background-color:#dc2626;color:#fff}.pagination-controls{display:flex;justify-content:center;align-items:center;gap:1rem;padding-top:1rem;border-top:1px solid rgba(0,0,0,.05)}.page-btn{padding:8px 16px;background-color:var(--bg-primary);border:1px solid rgba(0,0,0,.1);border-radius:6px;color:var(--text-primary);cursor:pointer;transition:all .2s}.page-btn:disabled{opacity:.5;cursor:not-allowed}.page-btn:hover:not(:disabled){background-color:var(--color-primary);color:#fff;border-color:var(--color-primary)}.page-info{font-size:.9rem;color:var(--text-secondary)}.error-banner{background-color:#fee2e2;color:#dc2626;padding:1rem;border-radius:8px;margin-bottom:1.5rem;text-align:center}.loading-spinner{text-align:center;padding:3rem;color:var(--text-secondary);font-size:1.1rem}.admin-card{background-color:var(--bg-secondary);border-radius:12px;box-shadow:var(--shadow-sm);padding:2rem;max-width:800px;margin:0 auto}.product-form{display:flex;flex-direction:column;gap:1.5rem}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}.admin-input{width:100%;padding:10px 14px;border-radius:8px;border:1px solid rgba(0,0,0,.1);background-color:var(--bg-primary);color:var(--text-primary);font-family:inherit;font-size:.95rem}.admin-input:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px #2683c61a}.divider{border:none;border-top:1px solid rgba(0,0,0,.05);margin:1rem 0}.schema-form{background-color:var(--bg-primary);padding:1.5rem;border-radius:8px;border:1px solid rgba(0,0,0,.05)}.schema-form h4{margin-top:0;margin-bottom:1rem;color:var(--text-secondary);font-size:.9rem;letter-spacing:.5px}.form-hint{color:var(--text-secondary);font-size:.9rem;margin-bottom:1rem;font-style:italic}.specs-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:1.5rem}.variant-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:.5rem}.variant-row.screw-row{grid-template-columns:1fr 1fr 1fr}.variant-row.header{font-weight:600;font-size:.85rem;color:var(--text-secondary);margin-bottom:.5rem}.add-btn-small{background-color:transparent;color:var(--color-accent);border:1px dashed var(--color-accent);padding:6px 12px;border-radius:6px;font-size:.85rem;cursor:pointer;margin-top:.5rem}.add-btn-small:hover{background-color:#2683c61a}.form-actions{display:flex;justify-content:flex-end;gap:1rem;margin-top:2rem;padding-top:2rem;border-top:1px solid rgba(0,0,0,.05)}.cancel-btn{padding:10px 20px;background-color:transparent;border:1px solid rgba(0,0,0,.1);color:var(--text-secondary);border-radius:8px;cursor:pointer}.submit-btn{padding:10px 20px;background-color:var(--color-primary);color:#fff;border:none;border-radius:8px;cursor:pointer;font-weight:500}.submit-btn:hover:not(:disabled){background-color:#001f52}