:root{--primary: #FF6B6B;--primary-light: #FF8E8E;--primary-dark: #E55555;--secondary: #4ECDC4;--secondary-light: #7EDCD6;--secondary-dark: #3DBDB4;--accent: #FFE66D;--accent-dark: #FFD93D;--background: #F8F9FA;--surface: #FFFFFF;--surface-hover: #F1F3F4;--text-primary: #2D3436;--text-secondary: #636E72;--text-muted: #B2BEC3;--border: #E1E5E9;--border-light: #F1F3F4;--success: #00B894;--success-light: #55EFC4;--warning: #FDCB6E;--error: #E74C3C;--error-light: #FFCCCC;--info: #74B9FF;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-md: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, .25);--radius-sm: 6px;--radius: 10px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--transition-fast: .15s ease;--transition: .2s ease;--transition-slow: .3s ease;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font-family);background:var(--background);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;color:var(--text-primary)}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}h4{font-size:1.25rem}a{color:var(--primary);text-decoration:none;transition:color var(--transition)}a:hover{color:var(--primary-dark)}.app-layout{display:flex;min-height:100vh}.main-content{flex:1;margin-left:280px;padding:24px;transition:margin-left var(--transition-slow)}@media (max-width: 768px){.main-content{margin-left:0;padding:16px}}.sidebar{position:fixed;left:0;top:0;bottom:0;width:280px;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;z-index:100;transition:transform var(--transition-slow)}.sidebar-header{padding:24px;border-bottom:1px solid var(--border-light);display:flex;align-items:center;gap:12px}.sidebar-logo{width:48px;height:48px;background:linear-gradient(135deg,var(--primary),var(--secondary));border-radius:var(--radius);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow)}.sidebar-logo svg{width:28px;height:28px;color:#fff}.sidebar-title{font-size:1.25rem;font-weight:700;background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.sidebar-nav{flex:1;padding:16px;overflow-y:auto}.nav-section{margin-bottom:24px}.nav-section-title{font-size:.75rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;padding:0 12px;margin-bottom:8px}.nav-item{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:var(--radius);color:var(--text-secondary);font-weight:500;cursor:pointer;transition:all var(--transition);margin-bottom:4px}.nav-item:hover{background:var(--surface-hover);color:var(--text-primary)}.nav-item.active{background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;box-shadow:var(--shadow)}.nav-item svg{width:20px;height:20px;flex-shrink:0}.sidebar-footer{padding:16px 24px;border-top:1px solid var(--border-light)}.user-info{display:flex;align-items:center;gap:12px}.user-avatar{width:40px;height:40px;border-radius:var(--radius-full);background:linear-gradient(135deg,var(--secondary),var(--secondary-light));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600}.user-details{flex:1}.user-name{font-weight:600;font-size:.875rem}.user-role{font-size:.75rem;color:var(--text-muted)}.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;padding-bottom:24px;border-bottom:1px solid var(--border-light)}.header-left h1{font-size:1.75rem;margin-bottom:4px}.header-left p{color:var(--text-secondary);font-size:.875rem}.header-actions{display:flex;gap:12px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border:none;border-radius:var(--radius);font-family:var(--font-family);font-size:.875rem;font-weight:600;cursor:pointer;transition:all var(--transition);text-decoration:none}.btn svg{width:18px;height:18px}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;box-shadow:var(--shadow)}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn-secondary{background:var(--surface);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background:var(--surface-hover);border-color:var(--text-muted)}.btn-success{background:linear-gradient(135deg,var(--success),var(--success-light));color:#fff;box-shadow:var(--shadow)}.btn-danger{background:linear-gradient(135deg,var(--error),#FF6B6B);color:#fff;box-shadow:var(--shadow)}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover{background:var(--surface-hover);color:var(--text-primary)}.btn-sm{padding:8px 16px;font-size:.8125rem}.btn-lg{padding:16px 32px;font-size:1rem}.btn-icon{padding:10px;width:40px;height:40px}.card{background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow);overflow:hidden;transition:all var(--transition)}.card:hover{box-shadow:var(--shadow-md)}.card-header{padding:20px 24px;border-bottom:1px solid var(--border-light);display:flex;justify-content:space-between;align-items:center}.card-title{font-size:1.125rem;font-weight:600}.card-body{padding:24px}.card-footer{padding:16px 24px;border-top:1px solid var(--border-light);background:var(--background)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-bottom:24px}.stat-card{background:var(--surface);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow);display:flex;align-items:flex-start;gap:16px;transition:all var(--transition)}.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.stat-icon{width:56px;height:56px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;flex-shrink:0}.stat-icon svg{width:28px;height:28px;color:#fff}.stat-icon.primary{background:linear-gradient(135deg,var(--primary),var(--primary-light))}.stat-icon.secondary{background:linear-gradient(135deg,var(--secondary),var(--secondary-light))}.stat-icon.accent{background:linear-gradient(135deg,var(--accent),var(--accent-dark))}.stat-icon.success{background:linear-gradient(135deg,var(--success),var(--success-light))}.stat-content{flex:1}.stat-value{font-size:2rem;font-weight:700;line-height:1.2;margin-bottom:4px}.stat-label{font-size:.875rem;color:var(--text-secondary)}.form-group{margin-bottom:20px}.form-label{display:block;font-size:.875rem;font-weight:600;color:var(--text-primary);margin-bottom:8px}.form-input,.form-select,.form-textarea{width:100%;padding:12px 16px;border:1px solid var(--border);border-radius:var(--radius);font-family:var(--font-family);font-size:.9375rem;color:var(--text-primary);background:var(--surface);transition:all var(--transition)}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #ff6b6b26}.form-input::placeholder,.form-textarea::placeholder{color:var(--text-muted)}.form-textarea{min-height:120px;resize:vertical}.form-hint{font-size:.75rem;color:var(--text-muted);margin-top:6px}.form-error{font-size:.75rem;color:var(--error);margin-top:6px}.table-container{overflow-x:auto;border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--shadow)}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:16px 20px;text-align:left}.table th{background:var(--background);font-weight:600;font-size:.8125rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border)}.table td{border-bottom:1px solid var(--border-light);font-size:.9375rem}.table tr:last-child td{border-bottom:none}.table tr:hover td{background:var(--surface-hover)}.badge{display:inline-flex;align-items:center;padding:4px 10px;font-size:.75rem;font-weight:600;border-radius:var(--radius-full)}.badge-success{background:#00b89426;color:var(--success)}.badge-warning{background:#fdcb6e33;color:#d68910}.badge-error{background:#e74c3c26;color:var(--error)}.badge-info{background:#74b9ff33;color:#3498db}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px;animation:fadeIn .2s ease}.modal{background:var(--surface);border-radius:var(--radius-xl);max-width:560px;width:100%;max-height:90vh;overflow:hidden;box-shadow:var(--shadow-xl);animation:slideUp .3s ease}.modal-header{padding:24px;border-bottom:1px solid var(--border-light);display:flex;justify-content:space-between;align-items:center}.modal-title{font-size:1.25rem;font-weight:700}.modal-close{width:36px;height:36px;border-radius:var(--radius-full);border:none;background:transparent;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--text-muted);transition:all var(--transition)}.modal-close:hover{background:var(--surface-hover);color:var(--text-primary)}.modal-body{padding:24px;overflow-y:auto;max-height:calc(90vh - 180px)}.modal-footer{padding:16px 24px;border-top:1px solid var(--border-light);display:flex;justify-content:flex-end;gap:12px;background:var(--background)}.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}.product-card{background:var(--surface);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);transition:all var(--transition)}.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.product-image{position:relative;height:200px;background:var(--background);overflow:hidden}.product-image img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition-slow)}.product-card:hover .product-image img{transform:scale(1.05)}.product-image-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:var(--text-muted);background:linear-gradient(135deg,var(--background),var(--border-light))}.product-image-placeholder svg{width:48px;height:48px}.product-status{position:absolute;top:12px;right:12px}.product-content{padding:20px}.product-category{font-size:.75rem;font-weight:600;color:var(--secondary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}.product-name{font-size:1.125rem;font-weight:600;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.product-price{font-size:1.25rem;font-weight:700;color:var(--primary);margin-bottom:12px}.product-meta{display:flex;justify-content:space-between;align-items:center;padding-top:12px;border-top:1px solid var(--border-light)}.product-stock{font-size:.8125rem;color:var(--text-secondary)}.product-actions{display:flex;gap:8px}.categories-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px}.category-card{background:var(--surface);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);transition:all var(--transition)}.category-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.category-image{height:140px;background:linear-gradient(135deg,var(--primary),var(--secondary));display:flex;align-items:center;justify-content:center;color:#fff;overflow:hidden}.category-image img{width:100%;height:100%;object-fit:cover}.category-image svg{width:48px;height:48px}.category-content{padding:20px;display:flex;justify-content:space-between;align-items:center}.category-name{font-size:1rem;font-weight:600}.category-count{font-size:.8125rem;color:var(--text-secondary)}.image-upload{border:2px dashed var(--border);border-radius:var(--radius-lg);padding:32px;text-align:center;cursor:pointer;transition:all var(--transition);background:var(--background)}.image-upload:hover{border-color:var(--primary);background:#ff6b6b0d}.image-upload.dragover{border-color:var(--primary);background:#ff6b6b1a}.image-upload-icon{width:48px;height:48px;margin:0 auto 16px;color:var(--text-muted)}.image-upload-text{font-size:.9375rem;color:var(--text-secondary);margin-bottom:8px}.image-upload-hint{font-size:.8125rem;color:var(--text-muted)}.image-preview{display:flex;flex-wrap:wrap;gap:12px;margin-top:16px}.image-preview-item{width:80px;height:80px;border-radius:var(--radius);overflow:hidden;position:relative}.image-preview-item img{width:100%;height:100%;object-fit:cover}.image-preview-remove{position:absolute;top:4px;right:4px;width:20px;height:20px;border-radius:var(--radius-full);background:var(--error);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;color:#fff}.image-preview-remove svg{width:12px;height:12px}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary-light),var(--secondary));padding:20px}.login-container{background:var(--surface);border-radius:var(--radius-xl);padding:48px;width:100%;max-width:420px;box-shadow:var(--shadow-xl);animation:slideUp .5s ease}.login-header{text-align:center;margin-bottom:32px}.login-logo{width:80px;height:80px;background:linear-gradient(135deg,var(--primary),var(--secondary));border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;margin:0 auto 24px;box-shadow:var(--shadow-md)}.login-logo svg{width:44px;height:44px;color:#fff}.login-title{font-size:1.75rem;margin-bottom:8px}.login-subtitle{color:var(--text-secondary)}.login-form{margin-top:32px}.login-form .form-group{margin-bottom:24px}.login-form .btn{width:100%;padding:14px}.settings-section{margin-bottom:32px}.settings-section-title{font-size:1.125rem;font-weight:600;margin-bottom:20px;padding-bottom:12px;border-bottom:1px solid var(--border-light)}.color-picker-group{display:flex;align-items:center;gap:12px}.color-picker{width:48px;height:48px;border:none;border-radius:var(--radius);cursor:pointer;padding:0;overflow:hidden}.color-picker::-webkit-color-swatch-wrapper{padding:0}.color-picker::-webkit-color-swatch{border:none;border-radius:var(--radius)}.color-preview{display:flex;gap:16px;margin-top:16px}.color-preview-item{width:100px;height:60px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;color:#fff;font-size:.75rem;font-weight:600}.logo-preview{width:120px;height:120px;border-radius:var(--radius-lg);background:var(--background);display:flex;align-items:center;justify-content:center;overflow:hidden;border:2px dashed var(--border)}.logo-preview img{max-width:100%;max-height:100%;object-fit:contain}.empty-state{text-align:center;padding:60px 20px}.empty-state-icon{width:80px;height:80px;margin:0 auto 24px;color:var(--text-muted)}.empty-state-title{font-size:1.25rem;font-weight:600;margin-bottom:8px}.empty-state-text{color:var(--text-secondary);margin-bottom:24px}.loader{display:flex;align-items:center;justify-content:center;padding:40px}.loader-spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:var(--radius-full);animation:spin .8s linear infinite}.page-loader{position:fixed;top:0;left:0;right:0;bottom:0;background:var(--surface);display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:2000}.page-loader-text{margin-top:16px;color:var(--text-secondary);font-size:.9375rem}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.toast-custom{background:var(--surface)!important;color:var(--text-primary)!important;border-radius:var(--radius)!important;box-shadow:var(--shadow-lg)!important}@media (max-width: 768px){.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.stats-grid,.products-grid,.categories-grid{grid-template-columns:1fr}.header{flex-direction:column;align-items:flex-start;gap:16px}.login-container{padding:32px 24px}.modal{border-radius:var(--radius-lg);max-height:85vh}}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--background)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.text-center{text-align:center}.text-right{text-align:right}.text-muted{color:var(--text-muted)}.text-success{color:var(--success)}.text-error{color:var(--error)}.text-primary{color:var(--primary)}.mt-1{margin-top:4px}.mt-2{margin-top:8px}.mt-3{margin-top:16px}.mt-4{margin-top:24px}.mb-1{margin-bottom:4px}.mb-2{margin-bottom:8px}.mb-3{margin-bottom:16px}.mb-4{margin-bottom:24px}.d-flex{display:flex}.flex-column{flex-direction:column}.align-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-1{gap:4px}.gap-2{gap:8px}.gap-3{gap:16px}.gap-4{gap:24px}.w-full{width:100%}.hidden{display:none}