:root{--primary: #6366f1;--primary-dark: #4f46e5;--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--info: #3b82f6;--bg: #0f172a;--bg-card: #1e293b;--bg-hover: #334155;--bg-input: #1e293b;--border: #334155;--text: #f1f5f9;--text-muted: #94a3b8;--text-dim: #64748b;--sidebar-w: 260px;--sidebar-w-collapsed: 70px;--topbar-h: 65px;--radius: 10px;--radius-sm: 6px;--shadow: 0 4px 6px -1px rgba(0,0,0,.3), 0 2px 4px -2px rgba(0,0,0,.2);--transition: all .2s ease}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0f172a,#1e1b4b,#0f172a);padding:20px}.login-card{background:var(--bg-card);border-radius:16px;padding:40px;width:100%;max-width:420px;box-shadow:0 25px 50px -12px #00000080;border:1px solid var(--border)}.login-header{text-align:center;margin-bottom:32px}.login-header h1{font-size:1.5rem;margin-top:16px}.login-header p{color:var(--text-muted);font-size:.9rem;margin-top:8px}.login-logo img{border-radius:8px}.login-form .form-group{margin-bottom:20px}.login-form label{display:block;font-size:.85rem;font-weight:500;color:var(--text-muted);margin-bottom:6px}.login-form input{width:100%;padding:12px 16px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:.95rem;transition:var(--transition)}.login-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #6366f133}.btn-login{width:100%;padding:12px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius-sm);font-size:1rem;font-weight:600;cursor:pointer;transition:var(--transition)}.btn-login:hover{background:var(--primary-dark)}.btn-login:disabled{opacity:.6;cursor:not-allowed}.login-error{background:#ef44441a;border:1px solid rgba(239,68,68,.3);color:#fca5a5;padding:10px 14px;border-radius:var(--radius-sm);margin-bottom:16px;font-size:.9rem}.login-footer{text-align:center;margin-top:24px;color:var(--text-dim);font-size:.8rem}.admin-layout{display:flex;min-height:100vh}.admin-sidebar{width:var(--sidebar-w);background:var(--bg-card);border-right:1px solid var(--border);display:flex;flex-direction:column;transition:width .25s ease;position:fixed;top:0;left:0;bottom:0;z-index:100}.sidebar-collapsed .admin-sidebar{width:var(--sidebar-w-collapsed)}.sidebar-header{padding:16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}.sidebar-logo{display:flex;align-items:center;gap:12px;overflow:hidden}.sidebar-logo img{width:36px;height:36px;object-fit:contain;flex-shrink:0}.logo-title{font-weight:700;font-size:.95rem;white-space:nowrap}.logo-subtitle{font-size:.75rem;color:var(--text-muted);white-space:nowrap}.sidebar-toggle{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:6px;font-size:.8rem}.sidebar-toggle:hover{color:var(--text)}.sidebar-nav{flex:1;padding:12px 8px;display:flex;flex-direction:column;gap:4px;overflow-y:auto}.nav-item{display:flex;align-items:center;gap:12px;padding:10px 14px;border:none;background:none;color:var(--text-muted);border-radius:var(--radius-sm);cursor:pointer;font-size:.9rem;transition:var(--transition);white-space:nowrap;text-align:left;width:100%}.nav-item i{width:20px;text-align:center;flex-shrink:0}.nav-item:hover{background:var(--bg-hover);color:var(--text)}.nav-item.active{background:var(--primary);color:#fff}.sidebar-footer{padding:12px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:8px}.user-info{display:flex;align-items:center;gap:10px;padding:8px;color:var(--text-muted);font-size:.85rem;overflow:hidden}.btn-logout{display:flex;align-items:center;gap:10px;padding:8px 12px;border:none;background:#ef44441a;color:#fca5a5;border-radius:var(--radius-sm);cursor:pointer;font-size:.85rem;transition:var(--transition);white-space:nowrap}.btn-logout:hover{background:#ef444433}.admin-main{flex:1;margin-left:var(--sidebar-w);transition:margin-left .25s ease;min-height:100vh;display:flex;flex-direction:column}.sidebar-collapsed .admin-main{margin-left:var(--sidebar-w-collapsed)}.admin-topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;background:var(--bg-card);border-bottom:1px solid var(--border);min-height:var(--topbar-h)}.admin-topbar h1{font-size:1.2rem}.admin-topbar p{font-size:.85rem;color:var(--text-muted)}.api-status{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--text-muted)}.api-status.connected .status-dot{width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 6px var(--success)}.admin-content{flex:1;padding:24px;overflow-y:auto}.page-container{display:flex;flex-direction:column;gap:20px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;display:flex;align-items:center;gap:16px}.stat-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.1rem;flex-shrink:0}.stat-label{font-size:.8rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.stat-value{font-size:1.5rem;font-weight:700;margin-top:2px}.actions-bar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:14px 18px}.actions-left,.actions-right{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.checkbox-label{display:flex;align-items:center;gap:6px;font-size:.85rem;color:var(--text-muted);cursor:pointer}.filter-select{background:var(--bg);border:1px solid var(--border);color:var(--text);padding:6px 12px;border-radius:var(--radius-sm);font-size:.85rem}.filter-info{font-size:.85rem;color:var(--text-muted)}.btn-refresh{display:flex;align-items:center;gap:8px;padding:8px 16px;background:var(--bg-hover);border:1px solid var(--border);color:var(--text);border-radius:var(--radius-sm);cursor:pointer;font-size:.85rem;transition:var(--transition)}.btn-refresh:hover{background:var(--border)}.refresh-time{font-size:.8rem;color:var(--text-dim)}.btn-primary{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius-sm);cursor:pointer;font-size:.9rem;font-weight:500;transition:var(--transition)}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{padding:10px 20px;background:var(--bg-hover);color:var(--text);border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer}.btn-sm{padding:4px 12px;font-size:.8rem;border:1px solid var(--border);background:var(--bg-hover);color:var(--text);border-radius:var(--radius-sm);cursor:pointer}.btn-sm:hover{background:var(--border)}.btn-danger{border-color:#ef44444d;color:#fca5a5}.btn-danger:hover{background:#ef444426}.btn-page{padding:8px 16px;background:var(--bg-card);border:1px solid var(--border);color:var(--text);border-radius:var(--radius-sm);cursor:pointer}.btn-page:disabled{opacity:.4;cursor:not-allowed}.table-container{overflow-x:auto;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius)}table{width:100%;border-collapse:collapse}thead{background:#0003}th{padding:12px 16px;text-align:left;font-size:.8rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;white-space:nowrap}td{padding:12px 16px;border-top:1px solid var(--border);font-size:.9rem}tr:hover td{background:#ffffff05}.row-new td{background:#6366f114}.row-changed td{background:#f59e0b0f}.order-id{font-family:monospace;font-size:.85rem}.badge-new{display:inline-block;background:var(--primary);color:#fff;font-size:.65rem;padding:2px 6px;border-radius:4px;margin-left:8px;font-weight:600}.item-name{font-size:.85rem}.item-more{font-size:.8rem;color:var(--text-dim)}.cell-total{font-weight:600;color:var(--success)}.cell-id{font-family:monospace;font-size:.8rem;color:var(--text-dim)}.cell-price{font-weight:600}.price-changed{color:var(--warning)}.cell-prev-price{color:var(--text-dim);text-decoration:line-through;font-size:.85rem}.cell-icon{font-size:1.2rem;text-align:center}.status-badge{display:inline-block;padding:4px 10px;border-radius:20px;font-size:.8rem;font-weight:500;white-space:nowrap}.stock-badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:.8rem}.stock-badge.in-stock{background:#10b98126;color:#34d399}.stock-badge.out-of-stock{background:#ef444426;color:#fca5a5}.status-select{background:var(--bg);border:1px solid var(--border);color:var(--text);padding:6px 10px;border-radius:var(--radius-sm);font-size:.8rem}.product-link{color:var(--info)}.product-link:hover{text-decoration:underline}.pagination{display:flex;align-items:center;justify-content:center;gap:16px;padding:16px;font-size:.9rem}.loading-state,.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;color:var(--text-muted);gap:12px}.loading-state i,.empty-state i{font-size:2.5rem;opacity:.5}.empty-hint{font-size:.85rem;color:var(--text-dim)}.coupons-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.coupon-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;gap:12px}.coupon-card.used{opacity:.6}.coupon-card.inactive{border-color:#ef444433}.coupon-header{display:flex;justify-content:space-between;align-items:center}.coupon-code{font-family:monospace;font-size:1.1rem;font-weight:700;letter-spacing:1px}.coupon-value{font-size:1.3rem;font-weight:700;color:var(--success)}.coupon-info{font-size:.8rem;color:var(--text-dim)}.coupon-actions{display:flex;gap:8px}.status-badge.active{background:#10b98126;color:#34d399}.status-badge.used{background:#64748b26;color:#94a3b8}.status-badge.inactive{background:#ef444426;color:#fca5a5}.tabs{display:flex;gap:4px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:4px}.tab{display:flex;align-items:center;gap:8px;padding:10px 20px;border:none;background:none;color:var(--text-muted);border-radius:var(--radius-sm);cursor:pointer;font-size:.9rem;transition:var(--transition)}.tab:hover{color:var(--text);background:var(--bg-hover)}.tab.active{background:var(--primary);color:#fff}.tab-badge{background:var(--danger);color:#fff;font-size:.7rem;padding:1px 6px;border-radius:10px}.notifications-list{display:flex;flex-direction:column;gap:8px}.notification-item{display:flex;gap:14px;padding:14px 18px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);transition:var(--transition)}.notification-item.unread{border-left:3px solid var(--primary);background:#6366f10d}.notification-icon{font-size:1.4rem;flex-shrink:0;margin-top:2px}.notification-title{font-weight:600;font-size:.95rem}.notification-message{font-size:.85rem;color:var(--text-muted);margin-top:4px}.notification-time{font-size:.75rem;color:var(--text-dim);margin-top:6px}.modal-overlay{position:fixed;inset:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.modal-content{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;width:100%;max-width:480px;box-shadow:var(--shadow)}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;border-bottom:1px solid var(--border)}.modal-header h2{font-size:1.1rem}.modal-close{background:none;border:none;color:var(--text-muted);font-size:1.4rem;cursor:pointer}.modal-body{padding:24px;display:flex;flex-direction:column;gap:16px}.modal-body .form-group{display:flex;flex-direction:column;gap:6px}.modal-body label{font-size:.85rem;color:var(--text-muted);font-weight:500}.modal-body input,.modal-body select{padding:10px 14px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:.9rem}.modal-body input:focus{outline:none;border-color:var(--primary)}.modal-footer{display:flex;justify-content:flex-end;gap:10px;padding:16px 24px;border-top:1px solid var(--border)}@media(max-width:768px){.admin-sidebar{width:var(--sidebar-w-collapsed)}.admin-sidebar .logo-text,.admin-sidebar .nav-item span,.admin-sidebar .user-info span,.admin-sidebar .btn-logout span{display:none}.admin-main{margin-left:var(--sidebar-w-collapsed)}.stats-grid{grid-template-columns:repeat(2,1fr)}.actions-bar{flex-direction:column;align-items:flex-start}.admin-topbar{padding:12px 16px}.admin-topbar h1{font-size:1rem}.admin-content{padding:16px}}