@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap";
:root{--primary:#2563eb;--primary-hover:#1d4ed8;--primary-light:#dbeafe;--success:#16a34a;--success-light:#dcfce7;--danger:#dc2626;--danger-hover:#b91c1c;--danger-light:#fee2e2;--warning:#f59e0b;--warning-light:#fef3c7;--gray-50:#f9fafb;--gray-100:#f3f4f6;--gray-200:#e5e7eb;--gray-300:#d1d5db;--gray-400:#9ca3af;--gray-500:#6b7280;--gray-600:#4b5563;--gray-700:#374151;--gray-800:#1f2937;--gray-900:#111827;--radius:12px;--radius-sm:8px;--radius-lg:16px;--shadow-sm:0 1px 2px #0000000d;--shadow:0 1px 3px #0000001a, 0 1px 2px #0000000f;--shadow-md:0 4px 6px #00000012, 0 2px 4px #0000000f;--shadow-lg:0 10px 15px #0000001a, 0 4px 6px #0000000d}*{box-sizing:border-box;margin:0;padding:0}html{font-size:16px}body{background:var(--gray-50);color:var(--gray-800);min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.6}.app-layout{min-height:100vh;display:flex}.sidebar{color:#fff;z-index:100;background:linear-gradient(#1e3a5f 0%,#0f2744 100%);flex-direction:column;width:260px;transition:transform .3s;display:flex;position:fixed;top:0;bottom:0;left:0;overflow-y:auto}.sidebar-header{border-bottom:1px solid #ffffff1a;padding:24px 20px}.sidebar-logo{align-items:center;gap:12px;display:flex}.sidebar-logo-icon{border-radius:var(--radius);background:linear-gradient(135deg,#f59e0b,#ef4444);justify-content:center;align-items:center;width:44px;height:44px;font-size:22px;display:flex}.sidebar-logo h1{font-size:18px;font-weight:700;line-height:1.2}.sidebar-logo p{opacity:.7;font-size:12px}.sidebar-nav{flex-direction:column;flex:1;gap:4px;padding:16px 12px;display:flex}.nav-link{border-radius:var(--radius);color:#ffffffb3;cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;gap:12px;width:100%;padding:14px 16px;font-size:15px;font-weight:500;text-decoration:none;transition:all .2s;display:flex}.nav-link:hover{color:#fff;background:#ffffff1a}.nav-link.active{color:#fff;background:#ffffff26;font-weight:600}.nav-link .nav-icon{text-align:center;width:24px;font-size:20px}.sidebar-footer{border-top:1px solid #ffffff1a;padding:16px 12px}.sidebar-close-btn{color:#fff;cursor:pointer;background:#ffffff26;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:16px;transition:background .2s;display:flex}.sidebar-close-btn:hover{background:#ffffff40}.main-content{flex:1;min-height:100vh;margin-left:260px;padding:32px}.mobile-menu-btn{z-index:200;border-radius:var(--radius);color:#fff;cursor:pointer;width:44px;height:44px;box-shadow:var(--shadow-lg);background:linear-gradient(135deg,#1e3a5f,#2563eb);border:none;justify-content:center;align-items:center;font-size:22px;transition:all .2s;display:none;position:fixed;top:12px;left:12px}.mobile-menu-btn:active{transform:scale(.95)}.sidebar-overlay{display:none}.page-header{margin-bottom:28px}.page-header h2{color:var(--gray-900);margin-bottom:4px;font-size:26px;font-weight:700}.page-header p{color:var(--gray-500);font-size:15px}.card{border-radius:var(--radius-lg);box-shadow:var(--shadow);border:1px solid var(--gray-100);background:#fff;overflow:hidden}.card-body{padding:24px}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-bottom:32px;display:grid}.stat-card{border-radius:var(--radius-lg);box-shadow:var(--shadow);border:1px solid var(--gray-100);background:#fff;align-items:center;gap:16px;padding:24px;transition:transform .2s,box-shadow .2s;display:flex}.stat-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.stat-icon{border-radius:var(--radius);flex-shrink:0;justify-content:center;align-items:center;width:56px;height:56px;font-size:26px;display:flex}.stat-icon.blue{background:var(--primary-light)}.stat-icon.green{background:var(--success-light)}.stat-icon.red{background:var(--danger-light)}.stat-icon.yellow{background:var(--warning-light)}.stat-info h3{color:var(--gray-900);font-size:28px;font-weight:800;line-height:1}.stat-info p{color:var(--gray-500);margin-top:4px;font-size:14px}.btn{border-radius:var(--radius);cursor:pointer;white-space:nowrap;border:none;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-family:inherit;font-size:15px;font-weight:600;text-decoration:none;transition:all .2s;display:inline-flex}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover);box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn-success{background:var(--success);color:#fff}.btn-success:hover{background:#15803d}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:var(--danger-hover)}.btn-outline{color:var(--gray-700);border:2px solid var(--gray-200);background:#fff}.btn-outline:hover{border-color:var(--gray-300);background:var(--gray-50)}.btn-lg{border-radius:var(--radius);padding:16px 32px;font-size:17px}.btn-sm{padding:8px 16px;font-size:13px}.btn-icon{font-size:18px}.form-group{margin-bottom:20px}.form-label{color:var(--gray-700);margin-bottom:8px;font-size:15px;font-weight:600;display:block}.form-input,.form-select,.form-textarea{border:2px solid var(--gray-200);border-radius:var(--radius);width:100%;color:var(--gray-800);background:#fff;padding:14px 16px;font-family:inherit;font-size:16px;transition:border-color .2s,box-shadow .2s}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #2563eb1a}.form-input::placeholder{color:var(--gray-400)}.form-grid{grid-template-columns:1fr 1fr;gap:20px;display:grid}.form-hint{color:var(--gray-400);margin-top:4px;font-size:13px}.image-upload{border:2px dashed var(--gray-300);border-radius:var(--radius);text-align:center;cursor:pointer;background:var(--gray-50);padding:32px;transition:all .2s;display:block}.image-upload:hover{border-color:var(--primary);background:var(--primary-light)}.image-upload-icon{margin-bottom:8px;font-size:40px;line-height:1}.image-upload p{color:var(--gray-500);margin:0;font-size:14px}.image-preview{border-radius:var(--radius);max-width:200px;position:relative;overflow:hidden}.image-preview img{object-fit:cover;border-radius:var(--radius);width:100%;height:160px}.image-preview-remove{background:var(--danger);color:#fff;cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:16px;display:flex;position:absolute;top:8px;right:8px}.table-container{overflow-x:auto}.table{border-collapse:collapse;width:100%}.table th{text-align:left;color:var(--gray-500);text-transform:uppercase;letter-spacing:.05em;background:var(--gray-50);border-bottom:2px solid var(--gray-200);padding:14px 16px;font-size:13px;font-weight:600}.table td{border-bottom:1px solid var(--gray-100);vertical-align:middle;padding:16px;font-size:15px}.table tr:hover{background:var(--gray-50)}.table-product-info{align-items:center;gap:12px;display:flex}.table-product-img{border-radius:var(--radius-sm);object-fit:cover;background:var(--gray-100);width:48px;height:48px}.table-product-name{color:var(--gray-900);font-weight:600}.table-product-code{color:var(--gray-400);font-size:13px}.table-actions{gap:8px;display:flex}.badge{border-radius:20px;align-items:center;padding:4px 12px;font-size:13px;font-weight:600;display:inline-flex}.badge-category{background:var(--primary-light);color:var(--primary)}.badge-low-stock{background:var(--danger-light);color:var(--danger)}.badge-ok-stock{background:var(--success-light);color:var(--success)}.toolbar{flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:20px;display:flex}.search-input-wrapper{flex:1;min-width:200px;position:relative}.search-input-wrapper .search-icon{color:var(--gray-400);font-size:18px;position:absolute;top:50%;left:14px;transform:translateY(-50%)}.search-input{border:2px solid var(--gray-200);border-radius:var(--radius);width:100%;color:var(--gray-800);background:#fff;padding:12px 16px 12px 44px;font-family:inherit;font-size:15px;transition:border-color .2s}.search-input:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #2563eb1a}.filter-select{border:2px solid var(--gray-200);border-radius:var(--radius);color:var(--gray-800);cursor:pointer;background:#fff;min-width:160px;padding:12px 16px;font-family:inherit;font-size:15px}.login-page{background:linear-gradient(135deg,#1e3a5f 0%,#0f2744 50%,#1a365d 100%);justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.login-card{border-radius:var(--radius-lg);width:100%;max-width:440px;box-shadow:var(--shadow-lg);background:#fff;padding:48px 40px}.login-header{text-align:center;margin-bottom:36px}.login-logo{border-radius:var(--radius-lg);background:linear-gradient(135deg,#f59e0b,#ef4444);justify-content:center;align-items:center;width:72px;height:72px;margin:0 auto 16px;font-size:36px;display:flex}.login-header h1{color:var(--gray-900);margin-bottom:4px;font-size:24px;font-weight:700}.login-header p{color:var(--gray-500);font-size:15px}.login-error{background:var(--danger-light);color:var(--danger);border-radius:var(--radius);align-items:center;gap:8px;margin-bottom:20px;padding:12px 16px;font-size:14px;display:flex}.toast-container{z-index:9999;flex-direction:column;gap:8px;display:flex;position:fixed;top:24px;right:24px}.toast{border-radius:var(--radius);box-shadow:var(--shadow-lg);max-width:400px;padding:16px 24px;font-size:15px;font-weight:500;animation:.3s slideIn,.3s 2.7s fadeOut}.toast-success{background:var(--success);color:#fff}.toast-error{background:var(--danger);color:#fff}@keyframes slideIn{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}@keyframes fadeOut{0%{opacity:1}to{opacity:0}}.modal-overlay{z-index:9999;background:#00000080;justify-content:center;align-items:center;padding:20px;animation:.2s fadeIn;display:flex;position:fixed;inset:0}.modal{border-radius:var(--radius-lg);width:100%;max-width:440px;box-shadow:var(--shadow-lg);text-align:center;background:#fff;padding:32px}.modal h3{color:var(--gray-900);margin-bottom:12px;font-size:20px}.modal p{color:var(--gray-500);margin-bottom:24px;font-size:15px}.modal-actions{justify-content:center;gap:12px;display:flex}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.empty-state{text-align:center;padding:60px 20px}.empty-state-icon{margin-bottom:16px;font-size:60px}.empty-state h3{color:var(--gray-700);margin-bottom:8px;font-size:20px}.empty-state p{color:var(--gray-400);margin-bottom:24px}.loading{justify-content:center;align-items:center;padding:60px;display:flex}.spinner{border:4px solid var(--gray-200);border-top-color:var(--primary);border-radius:50%;width:40px;height:40px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.price{color:var(--gray-900);font-weight:600}.price-label{color:var(--gray-400);font-size:12px;display:block}@media (max-width:1024px) and (min-width:769px){.sidebar{width:220px}.main-content{margin-left:220px;padding:24px}.stats-grid{grid-template-columns:repeat(2,1fr);gap:16px}.stat-card{padding:20px}.stat-icon{width:48px;height:48px;font-size:22px}.stat-info h3,.page-header h2{font-size:24px}.btn-lg{padding:14px 24px;font-size:15px}.table th,.table td{padding:12px 14px;font-size:14px}.mobile-only{display:none}}@media (max-width:768px){.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.sidebar-overlay{z-index:99;background:#00000080;position:fixed;inset:0}.sidebar-overlay.show{display:block}.mobile-menu-btn{display:flex}.main-content{margin-left:0;padding:72px 16px 24px}.stats-grid{grid-template-columns:1fr 1fr;gap:12px;margin-bottom:20px}.stat-card{flex-direction:column;align-items:flex-start;gap:10px;padding:14px}.stat-icon{width:40px;height:40px;font-size:18px}.stat-info h3{font-size:20px}.stat-info p{font-size:12px}.toolbar{flex-direction:column;align-items:stretch}.search-input-wrapper{min-width:unset;width:100%}.filter-select{width:100%;min-width:unset}.form-grid{grid-template-columns:1fr}.table th,.table td{padding:10px 8px;font-size:13px}.page-header{margin-bottom:20px}.page-header h2{font-size:20px}.page-header p{font-size:13px}.login-card{padding:28px 20px}.login-header h1{font-size:20px}.login-logo{width:60px;height:60px;font-size:28px}.btn{padding:10px 18px;font-size:14px}.btn-lg{padding:12px 20px;font-size:15px}.btn-sm{padding:6px 12px;font-size:12px}.card-body{padding:16px}.modal{margin:16px;padding:24px 20px}.modal h3{font-size:18px}.modal-actions{flex-direction:column}.modal-actions .btn{width:100%}.toast-container{top:12px;left:12px;right:12px}.toast{max-width:100%;padding:12px 16px;font-size:14px}.empty-state{padding:40px 16px}.empty-state-icon{font-size:48px}.empty-state h3{font-size:18px}.image-upload{padding:24px 16px}.image-upload-icon{font-size:32px}.product-cards-mobile{flex-direction:column;gap:12px;display:flex}.product-card-mobile{border-radius:var(--radius);box-shadow:var(--shadow-sm);border:1px solid var(--gray-100);background:#fff;padding:16px}.product-card-mobile-header{gap:12px;margin-bottom:12px;display:flex}.product-card-mobile-img{border-radius:var(--radius-sm);object-fit:cover;background:var(--gray-100);flex-shrink:0;width:56px;height:56px}.product-card-mobile-prices{background:var(--gray-50);border-radius:var(--radius-sm);grid-template-columns:1fr 1fr 1fr;gap:8px;margin-bottom:12px;padding:10px;display:grid}.table-desktop{display:none}.mobile-only{display:block}.page-header.flex{flex-direction:column;align-items:flex-start!important}.page-header .flex.gap-2{width:100%}.page-header .flex.gap-2 .btn{flex:1}}@media (max-width:480px){.main-content{padding:68px 12px 20px}.stats-grid{grid-template-columns:1fr;gap:10px}.stat-card{flex-direction:row;align-items:center;padding:14px}.product-card-mobile-prices{grid-template-columns:1fr 1fr}.modal-actions{flex-direction:column;gap:8px}.page-header h2{font-size:18px}.login-card{padding:24px 16px}}@media (min-width:1025px){.mobile-only{display:none}}@media (min-width:1440px){.main-content{max-width:1280px}.stats-grid{grid-template-columns:repeat(4,1fr)}}.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}.mb-4{margin-bottom:16px}.mt-4{margin-top:16px}.text-right{text-align:right}.w-full{width:100%}