@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--bg-page:#f5f5f5;--bg-card:#fff;--bg-card-hover:#fafafa;--bg-input:#f9fafb;--bg-sidebar:#1a1a2e;--bg-sidebar-hover:#ffffff14;--bg-sidebar-active:#ffffff1f;--border:#e5e7eb;--border-focus:#4f46e5;--accent:#4f46e5;--accent-light:#eef2ff;--accent-hover:#4338ca;--text-primary:#111827;--text-secondary:#6b7280;--text-muted:#9ca3af;--text-sidebar:#ffffffb3;--text-sidebar-active:#fff;--green:#059669;--green-bg:#ecfdf5;--red:#dc2626;--red-bg:#fef2f2;--yellow:#d97706;--yellow-bg:#fffbeb;--blue:#2563eb;--blue-bg:#eff6ff;--purple:#7c3aed;--purple-bg:#f5f3ff;--radius-sm:6px;--radius-md:8px;--radius-lg:10px;--shadow-sm:0 1px 2px #0000000d;--shadow-md:0 1px 3px #0000001a, 0 1px 2px #0000000f;--shadow-lg:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--sidebar-w:250px;--topbar-h:60px;--transition:.15s ease}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px}body{background:var(--bg-page);color:var(--text-primary);-webkit-font-smoothing:antialiased;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit}img{max-width:100%;display:block}.loading-screen{background:var(--bg-page);z-index:9999;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.spinner{border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;width:32px;height:32px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.app-layout{min-height:100vh;display:flex}.app-main{margin-left:var(--sidebar-w);min-height:100vh;transition:margin-left var(--transition);flex-direction:column;flex:1;display:flex}.app-main.sidebar-collapsed{margin-left:64px}.page-content{margin-top:var(--topbar-h);flex:1;padding:24px 28px}.sidebar{width:var(--sidebar-w);background:var(--bg-sidebar);height:100vh;transition:width var(--transition);z-index:100;flex-direction:column;display:flex;position:fixed;top:0;left:0;overflow:hidden}.sidebar.collapsed{width:64px}.sidebar-logo{min-height:var(--topbar-h);border-bottom:1px solid #ffffff14;align-items:center;gap:10px;padding:18px 16px;display:flex}.sidebar-logo-icon{background:var(--accent);border-radius:var(--radius-sm);color:#fff;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;display:flex}.sidebar-logo-text{white-space:nowrap;overflow:hidden}.sidebar-logo-text h2{color:#fff;letter-spacing:-.3px;font-size:14px;font-weight:700}.sidebar-logo-text p{color:#fff6;margin-top:1px;font-size:11px}.sidebar-nav{flex-direction:column;flex:1;gap:2px;padding:12px 8px;display:flex;overflow-y:auto}.nav-label{letter-spacing:.8px;text-transform:uppercase;color:#ffffff4d;white-space:nowrap;padding:12px 10px 4px;font-size:10px;font-weight:600;overflow:hidden}.nav-item{border-radius:var(--radius-sm);color:var(--text-sidebar);transition:all var(--transition);white-space:nowrap;align-items:center;gap:10px;padding:9px 10px;font-size:13px;font-weight:500;display:flex;position:relative}.nav-item:hover{background:var(--bg-sidebar-hover);color:var(--text-sidebar-active)}.nav-item.active{background:var(--bg-sidebar-active);color:var(--text-sidebar-active)}.nav-item.active:before{content:"";background:var(--accent);border-radius:0 2px 2px 0;width:3px;height:60%;position:absolute;top:20%;left:0}.nav-icon{flex-shrink:0;justify-content:center;align-items:center;width:20px;display:flex}.nav-text{white-space:nowrap;overflow:hidden}.sidebar-footer{border-top:1px solid #ffffff14;padding:12px 8px}.sidebar-toggle{border-radius:var(--radius-sm);color:#ffffff80;width:100%;transition:all var(--transition);background:#ffffff0d;border:1px solid #ffffff14;justify-content:center;align-items:center;padding:8px;display:flex}.sidebar-toggle:hover{color:#fff;background:#ffffff1a}.topbar{top:0;left:var(--sidebar-w);height:var(--topbar-h);background:var(--bg-card);border-bottom:1px solid var(--border);z-index:90;transition:left var(--transition);justify-content:space-between;align-items:center;padding:0 28px;display:flex;position:fixed;right:0}.topbar.sidebar-collapsed{left:64px}.topbar-left h1{font-size:16px;font-weight:600}.topbar-left .breadcrumb{color:var(--text-muted);margin-top:1px;font-size:12px}.topbar-right{align-items:center;gap:12px;display:flex}.topbar-admin{align-items:center;gap:8px;display:flex}.admin-avatar{background:var(--accent-light);width:32px;height:32px;color:var(--accent);border-radius:50%;justify-content:center;align-items:center;font-size:12px;font-weight:700;display:flex}.admin-info{text-align:right}.admin-name{font-size:13px;font-weight:600}.admin-role{color:var(--text-muted);font-size:11px}.btn-logout{background:var(--red-bg);border-radius:var(--radius-sm);color:var(--red);transition:all var(--transition);border:1px solid #fecaca;align-items:center;gap:6px;padding:6px 12px;font-size:13px;font-weight:500;display:flex}.btn-logout:hover{background:#fee2e2}.btn{border-radius:var(--radius-sm);transition:all var(--transition);border:none;align-items:center;gap:6px;padding:8px 16px;font-size:13px;font-weight:600;display:inline-flex}.btn-primary{background:var(--accent);color:#fff;box-shadow:var(--shadow-sm)}.btn-primary:hover{background:var(--accent-hover)}.btn-primary:active{transform:scale(.98)}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg-card-hover)}.btn-ghost{color:var(--text-secondary);border:1px solid var(--border);background:0 0}.btn-ghost:hover{background:var(--bg-card-hover);color:var(--text-primary)}.btn-danger{background:var(--red-bg);color:var(--red);border:1px solid #fecaca}.btn-danger:hover{background:#fee2e2}.btn-sm{padding:6px 10px;font-size:12px}.btn-lg{padding:10px 20px;font-size:14px}.btn:disabled{opacity:.5;cursor:not-allowed}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.card-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.card-header h3{font-size:14px;font-weight:600}.card-body{padding:20px}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px;display:grid}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:box-shadow var(--transition);justify-content:space-between;align-items:flex-start;padding:20px;display:flex}.stat-card:hover{box-shadow:var(--shadow-md)}.stat-card.accent-green{border-left:3px solid var(--green)}.stat-card.accent-blue{border-left:3px solid var(--blue)}.stat-card.accent-purple{border-left:3px solid var(--purple)}.stat-card.accent-yellow{border-left:3px solid var(--yellow)}.stat-card.accent-red{border-left:3px solid var(--red)}.stat-info{flex:1}.stat-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;font-size:12px;font-weight:500}.stat-value{color:var(--text-primary);margin-top:4px;font-size:28px;font-weight:700;line-height:1.1}.stat-sub{color:var(--text-muted);margin-top:6px;font-size:12px}.stat-icon{border-radius:var(--radius-md);width:40px;height:40px;color:var(--text-secondary);flex-shrink:0;justify-content:center;align-items:center;display:flex}.stat-icon.icon-green{background:var(--green-bg);color:var(--green)}.stat-icon.icon-blue{background:var(--blue-bg);color:var(--blue)}.stat-icon.icon-purple{background:var(--purple-bg);color:var(--purple)}.stat-icon.icon-yellow{background:var(--yellow-bg);color:var(--yellow)}.badge{letter-spacing:.2px;text-transform:uppercase;border-radius:4px;align-items:center;padding:2px 8px;font-size:11px;font-weight:600;display:inline-flex}.badge-success{background:var(--green-bg);color:var(--green)}.badge-warning{background:var(--yellow-bg);color:var(--yellow)}.badge-danger{background:var(--red-bg);color:var(--red)}.badge-info{background:var(--blue-bg);color:var(--blue)}.badge-purple{background:var(--purple-bg);color:var(--purple)}.badge-default{color:var(--text-secondary);background:#f3f4f6}.table-container{border-radius:var(--radius-lg);border:1px solid var(--border);background:var(--bg-card);overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:13px}thead{background:#f9fafb}th{text-align:left;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);border-bottom:1px solid var(--border);white-space:nowrap;padding:10px 16px;font-size:11px;font-weight:600}td{color:var(--text-secondary);vertical-align:middle;border-bottom:1px solid #f3f4f6;padding:12px 16px}tr:last-child td{border-bottom:none}tbody tr{transition:background var(--transition)}tbody tr:hover{background:#fafafa}tbody tr.clickable{cursor:pointer}.table-toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;display:flex}.search-wrapper{flex:1;max-width:320px;position:relative}.search-icon{color:var(--text-muted);position:absolute;top:50%;left:12px;transform:translateY(-50%)}.search-input{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);width:100%;color:var(--text-primary);transition:border-color var(--transition);padding:8px 12px 8px 36px;font-family:inherit;font-size:13px}.search-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-light);outline:none}.search-input::placeholder{color:var(--text-muted)}.form-group{flex-direction:column;gap:6px;margin-bottom:16px;display:flex}.form-label{color:var(--text-secondary);font-size:13px;font-weight:500}.form-input,.form-select,.form-textarea{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);transition:border-color var(--transition);width:100%;padding:9px 12px;font-family:inherit;font-size:13px}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-light);outline:none}.form-input::placeholder,.form-textarea::placeholder{color:var(--text-muted)}.form-select option{background:var(--bg-card)}.form-textarea{resize:vertical;min-height:80px}.form-grid-2{grid-template-columns:1fr 1fr;gap:12px;display:grid}.modal-overlay{z-index:500;background:#0006;justify-content:center;align-items:center;padding:20px;animation:.15s fadeIn;display:flex;position:fixed;inset:0}.modal{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);width:100%;max-width:560px;max-height:90vh;box-shadow:var(--shadow-lg);animation:.2s modalIn;overflow-y:auto}.modal-lg{max-width:800px}.modal-header{border-bottom:1px solid var(--border);background:var(--bg-card);z-index:1;justify-content:space-between;align-items:center;padding:16px 20px;display:flex;position:sticky;top:0}.modal-header h2{font-size:16px;font-weight:600}.modal-close{border:1px solid var(--border);border-radius:var(--radius-sm);width:28px;height:28px;color:var(--text-muted);transition:all var(--transition);background:0 0;justify-content:center;align-items:center;display:flex}.modal-close:hover{color:var(--text-primary);background:#f3f4f6}.modal-body{padding:20px}.modal-footer{border-top:1px solid var(--border);justify-content:flex-end;gap:8px;padding:16px 20px;display:flex}.toast-container{z-index:9000;flex-direction:column;gap:8px;display:flex;position:fixed;top:16px;right:16px}.toast{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);align-items:flex-start;gap:10px;min-width:280px;max-width:380px;padding:12px 14px;animation:.25s slideInRight;display:flex}.toast.success{border-left:3px solid var(--green)}.toast.error{border-left:3px solid var(--red)}.toast.info{border-left:3px solid var(--blue)}.toast.warning{border-left:3px solid var(--yellow)}.toast-icon{flex-shrink:0;margin-top:1px}.toast-content{flex:1}.toast-title{font-size:13px;font-weight:600}.toast-msg{color:var(--text-secondary);margin-top:2px;font-size:12px}.toast-close{color:var(--text-muted);cursor:pointer;background:0 0;border:none;padding:2px}.page-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:24px;display:flex}.page-header-left h2{font-size:22px;font-weight:700}.page-header-left p{color:var(--text-muted);margin-top:2px;font-size:13px}.login-page{background:#f0f0f3;justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);width:100%;max-width:400px;box-shadow:var(--shadow-lg);padding:36px}.login-logo{align-items:center;gap:10px;margin-bottom:28px;display:flex}.login-logo-icon{background:var(--accent);border-radius:var(--radius-md);color:#fff;justify-content:center;align-items:center;width:40px;height:40px;display:flex}.login-logo h1{color:var(--text-primary);font-size:18px;font-weight:700}.login-logo p{color:var(--text-muted);font-size:12px}.login-title{margin-bottom:4px;font-size:20px;font-weight:700}.login-subtitle{color:var(--text-muted);margin-bottom:24px;font-size:13px}.login-error{background:var(--red-bg);border-radius:var(--radius-sm);color:var(--red);border:1px solid #fecaca;align-items:center;gap:8px;margin-bottom:16px;padding:10px 12px;font-size:13px;display:flex}.product-img-thumb{object-fit:cover;border-radius:var(--radius-sm);border:1px solid var(--border);width:40px;height:40px}.product-title-cell{align-items:center;gap:10px;display:flex}.product-meta{flex-direction:column;gap:1px;display:flex}.product-name{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;max-width:220px;font-size:13px;font-weight:600;overflow:hidden}.product-sku{color:var(--text-muted);font-size:11px}.price-cell{color:var(--text-primary);font-weight:600}.compare-price{color:var(--text-muted);font-size:12px;font-weight:400;text-decoration:line-through}.dashboard-grid{grid-template-columns:2fr 1fr;gap:20px;margin-bottom:20px;display:grid}.chart-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:20px}.product-images-grid{grid-template-columns:1fr 1fr;gap:8px;margin-bottom:20px;display:grid}.product-images-grid img{border-radius:var(--radius-md);border:1px solid var(--border);object-fit:cover;aspect-ratio:1;width:100%}.product-detail-section{margin-bottom:16px}.product-detail-section h4{text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);margin-bottom:8px;font-size:11px;font-weight:600}.tag-list{flex-wrap:wrap;gap:6px;display:flex}.tag{border:1px solid var(--border);color:var(--text-secondary);background:#f3f4f6;border-radius:4px;padding:3px 8px;font-size:12px}.order-items-list{flex-direction:column;gap:8px;display:flex}.order-item{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-md);align-items:center;gap:12px;padding:12px;display:flex}.order-item img{border-radius:var(--radius-sm);object-fit:cover;border:1px solid var(--border);width:48px;height:48px}.order-item-info{flex:1}.order-item-name{font-size:13px;font-weight:600}.order-item-sku{color:var(--text-muted);font-size:12px}.order-item-price{color:var(--text-primary);font-weight:600}.empty-state{color:var(--text-muted);text-align:center;flex-direction:column;justify-content:center;align-items:center;padding:48px 20px;display:flex}.empty-state-icon{color:var(--text-muted);margin-bottom:12px}.empty-state h3{color:var(--text-secondary);font-size:15px;font-weight:600}.empty-state p{margin-top:4px;font-size:13px}.pagination{border-top:1px solid var(--border);justify-content:space-between;align-items:center;padding:12px 16px;display:flex}.pagination-info{color:var(--text-muted);font-size:12px}.pagination-controls{align-items:center;gap:4px;display:flex}.page-btn{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);min-width:30px;height:30px;color:var(--text-secondary);transition:all var(--transition);justify-content:center;align-items:center;font-size:12px;font-weight:500;display:flex}.page-btn:hover{color:var(--text-primary);background:#f3f4f6}.page-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}.page-btn:disabled{opacity:.35;cursor:not-allowed}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes modalIn{0%{opacity:0;transform:scale(.97)}to{opacity:1;transform:scale(1)}}@keyframes slideInRight{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}.page-fade{animation:.2s fadeIn}.flex{display:flex}.flex-center{justify-content:center;align-items:center;display:flex}.flex-between{justify-content:space-between;align-items:center;display:flex}.gap-8{gap:8px}.gap-12{gap:12px}.gap-16{gap:16px}.truncate{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.divider{background:var(--border);height:1px;margin:16px 0}@media (width<=900px){:root{--sidebar-w:64px}.sidebar{width:64px}.sidebar-logo-text,.nav-text,.nav-label{display:none}.app-main{margin-left:64px}.topbar{left:64px}.page-content{padding:16px}.dashboard-grid,.form-grid-2{grid-template-columns:1fr}}