:root{--color-primary: #0ea5e9;--color-primary-dark: #0284c7;--color-primary-light: #38bdf8;--color-primary-gradient: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);--color-secondary: #8b5cf6;--color-secondary-dark: #7c3aed;--color-secondary-light: #a78bfa;--color-accent: #f59e0b;--color-success: #10b981;--color-warning: #f59e0b;--color-error: #ef4444;--color-info: #3b82f6;--color-white: #ffffff;--color-gray-50: #f9fafb;--color-gray-100: #f3f4f6;--color-gray-200: #e5e7eb;--color-gray-300: #d1d5db;--color-gray-400: #9ca3af;--color-gray-500: #6b7280;--color-gray-600: #4b5563;--color-gray-700: #374151;--color-gray-800: #1f2937;--color-gray-900: #111827;--color-text-primary: #111827;--color-text-secondary: #4b5563;--color-text-muted: #6b7280;--color-text-light: #9ca3af;--color-bg-primary: #ffffff;--color-bg-secondary: #f3f4f6;--color-bg-tertiary: #e5e7eb;--color-border-light: #e5e7eb;--color-border-medium: #d1d5db;--color-border-dark: #9ca3af;--shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, .1), 0 1px 2px -1px rgba(0, 0, 0, .1);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -2px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -4px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 8px 10px -6px rgba(0, 0, 0, .1);--shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, .25);--shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, .05);--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-2xl: 24px;--radius-full: 9999px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--space-12: 48px;--space-16: 64px;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;--font-serif: ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;--font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-base: .2s cubic-bezier(.4, 0, .2, 1);--transition-slow: .3s cubic-bezier(.4, 0, .2, 1);--transition-bounce: .5s cubic-bezier(.68, -.55, .265, 1.55)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes bounce{0%,to{transform:scale(1)}50%{transform:scale(1.2)}}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.fade-in{animation:fadeIn .3s ease-out}.fade-in-slow{animation:fadeIn .5s ease-out}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}html,body,#root{height:100%;min-height:100vh}body{margin:0;background:linear-gradient(135deg,#f0f9ff,#e0f2fe,#f9fafb);background-attachment:fixed;color:var(--color-text-primary);font-family:var(--font-sans);font-size:16px;line-height:1.6}h1,h2,h3,h4,h5,h6{font-family:var(--font-sans);font-weight:700;line-height:1.2;color:var(--color-text-primary);margin:0 0 var(--space-4);letter-spacing:-.02em}h1{font-size:clamp(1.75rem,5vw,2.5rem);font-weight:800;background:var(--color-primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}h2{font-size:clamp(1.5rem,4vw,2rem);font-weight:700;position:relative;padding-bottom:var(--space-3)}h2:after{content:"";position:absolute;bottom:0;left:0;width:60px;height:4px;background:var(--color-primary-gradient);border-radius:var(--radius-full)}h3{font-size:clamp(1.25rem,3vw,1.5rem);font-weight:600}h4{font-size:clamp(1.125rem,2.5vw,1.25rem);font-weight:600}h5{font-size:clamp(1rem,2vw,1.125rem);font-weight:600}h6{font-size:clamp(.9375rem,1.5vw,1rem);font-weight:600}body{font-size:clamp(.875rem,2vw,1rem)}p{margin:0 0 var(--space-4);color:var(--color-text-secondary);line-height:1.7}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-dark);text-decoration:underline}.container{max-width:1200px;margin:0 auto;padding:0 var(--space-4);width:100%}@media (min-width: 640px){.container{padding:0 var(--space-6)}}@media (min-width: 1024px){.container{padding:0 var(--space-8)}}.header{position:sticky;top:0;z-index:100;background:#fffffffa;border-bottom:1px solid var(--color-border-light);box-shadow:var(--shadow-sm);overflow:visible}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);padding:var(--space-4) 0;min-height:72px;overflow:visible}.logo{display:flex;align-items:center;gap:var(--space-3);text-decoration:none;color:inherit;transition:transform var(--transition-fast)}.logo:hover{transform:translateY(-2px)}.logo-mark{width:120px;height:60px;border-radius:var(--radius-lg);background:var(--color-white);display:grid;place-items:center;box-shadow:var(--shadow-md);overflow:hidden;position:relative;padding:var(--space-2)}.logo-mark:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,#ffffff4d,#fff0);pointer-events:none}.logo-mark img{width:100%;height:100%;object-fit:contain}.logo-text{font-weight:700;font-size:1.25rem;letter-spacing:-.02em;color:var(--color-text-primary)}.nav{display:flex;align-items:center;gap:var(--space-2);flex-wrap:wrap;overflow:visible}.nav .btn{position:relative;overflow:visible}.nav .btn[data-cart-count]:not([data-cart-count="0"]):after{content:attr(data-cart-count);position:absolute;top:-8px;right:-8px;background:linear-gradient(135deg,var(--color-error) 0%,#dc2626 100%);color:#fff;min-width:20px;height:20px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;box-shadow:var(--shadow-md);padding:0 6px;animation:bounce .5s cubic-bezier(.68,-.55,.265,1.55)}@media (max-width: 640px){.header-inner{flex-wrap:wrap}.nav{width:100%;justify-content:flex-end}}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;padding:var(--space-3) var(--space-5);border-radius:var(--radius-lg);font-family:var(--font-sans);font-size:.9375rem;font-weight:600;cursor:pointer;transition:all var(--transition-base);display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);text-decoration:none;white-space:nowrap;position:relative;background:var(--color-gray-100);color:var(--color-text-primary);box-shadow:var(--shadow-xs);overflow:visible}.btn:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at center,rgba(255,255,255,.3) 0%,transparent 70%);opacity:0;transition:opacity var(--transition-fast)}.btn:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn:hover:before{opacity:1}.btn:active{box-shadow:var(--shadow-xs);transform:translateY(0)}.btn:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.btn:disabled{opacity:.5;cursor:not-allowed;box-shadow:var(--shadow-xs)}.btn.primary{background:var(--color-primary-gradient);color:var(--color-white);box-shadow:var(--shadow-md)}.btn.primary:hover{box-shadow:var(--shadow-lg);filter:brightness(1.05)}.btn.secondary{background:linear-gradient(135deg,var(--color-secondary) 0%,var(--color-secondary-dark) 100%);color:var(--color-white);box-shadow:var(--shadow-md)}.btn.ghost{background:transparent;color:var(--color-text-secondary);box-shadow:none}.btn.ghost:hover{background:var(--color-gray-100);box-shadow:none}.btn.danger{background:linear-gradient(135deg,#ef4444,#dc2626);color:var(--color-white);box-shadow:var(--shadow-md)}.btn.success{background:linear-gradient(135deg,#10b981,#059669);color:var(--color-white);box-shadow:var(--shadow-md)}.btn.sm{padding:var(--space-2) var(--space-3);font-size:.875rem}.btn.lg{padding:var(--space-4) var(--space-6);font-size:1.0625rem}.btn.loading{position:relative;color:transparent;pointer-events:none}.btn.loading:after{content:"";position:absolute;width:16px;height:16px;top:50%;left:50%;margin-left:-8px;margin-top:-8px;border:2px solid white;border-radius:50%;border-top-color:transparent;animation:spin .6s linear infinite}.btn.loading.ghost:after,.btn.loading:not(.primary):not(.secondary):not(.danger):not(.success):after{border-color:var(--color-primary);border-top-color:transparent}.btn-icon{display:inline-flex;align-items:center;gap:var(--space-2)}.card{background:var(--color-white);border:1px solid var(--color-border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);overflow:hidden;transition:box-shadow var(--transition-base),border-color var(--transition-base),transform var(--transition-base);position:relative;contain:layout style paint;display:flex;flex-direction:column;height:100%}.card:hover{box-shadow:var(--shadow-xl);border-color:var(--color-primary-light);transform:translateY(-4px) translateZ(0)}.card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--color-primary-gradient);opacity:0;transition:opacity var(--transition-base)}.card:hover:before{opacity:1}.card:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,#0ea5e908,#06b6d408);opacity:0;transition:opacity var(--transition-base);pointer-events:none}.card:hover:after{opacity:1}.card-body{padding:var(--space-5)}.card>img,.card>a>img,.card>div:first-child{overflow:hidden}.card img{width:100%;height:200px;object-fit:cover;display:block;transition:transform var(--transition-slow)}.card:hover img{transform:scale(1.05) translateZ(0)}.input,select,input,textarea{width:100%;box-sizing:border-box;padding:var(--space-3) var(--space-4);border-radius:var(--radius-lg);border:2px solid var(--color-border-light);background:var(--color-white);color:var(--color-text-primary);font-family:var(--font-sans);font-size:1rem;outline:none;transition:all var(--transition-base);box-shadow:var(--shadow-xs)}.input:hover,select:hover,input:hover,textarea:hover{border-color:var(--color-border-medium);box-shadow:var(--shadow-sm)}.input:focus,select:focus,input:focus,textarea:focus{border-color:var(--color-primary);box-shadow:0 0 0 4px #0ea5e926,0 0 20px #0ea5e91a;background:var(--color-white);transform:translateY(-1px)}.input::placeholder,input::placeholder,textarea::placeholder{color:var(--color-text-light)}textarea{resize:vertical;min-height:100px}.input.success,input.success,textarea.success{border-color:var(--color-success);background:#10b9810d}.input.error,input.error,textarea.error{border-color:var(--color-error);background:#ef44440d}.input-wrapper{position:relative}.input-icon{position:absolute;right:var(--space-3);top:50%;transform:translateY(-50%);color:var(--color-text-muted);pointer-events:none}.error-message{display:flex;align-items:center;gap:var(--space-2);color:var(--color-error);font-size:.875rem;margin-top:var(--space-2);padding:var(--space-2) var(--space-3);background:#ef44441a;border-radius:var(--radius-md);border-left:3px solid var(--color-error)}.success-message{display:flex;align-items:center;gap:var(--space-2);color:var(--color-success);font-size:.875rem;margin-top:var(--space-2);padding:var(--space-2) var(--space-3);background:#10b9811a;border-radius:var(--radius-md);border-left:3px solid var(--color-success)}label{display:block;margin-bottom:var(--space-2);font-weight:600;color:var(--color-text-primary);font-size:.9375rem}.form-grid{display:grid;gap:var(--space-5);grid-template-columns:1fr}.form-grid label{display:block;margin-bottom:var(--space-2)}.form-grid .input,.form-grid select,.form-grid input,.form-grid textarea{width:100%}.form-slim{max-width:400px;width:100%}.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--space-6)}.products-grid{display:grid;gap:var(--space-6);grid-template-columns:repeat(auto-fill,minmax(260px,1fr));contain:layout style paint}@media (max-width: 640px){.products-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:var(--space-4)}}.admin-grid{display:grid;gap:var(--space-6);grid-template-columns:1fr}@media (min-width: 900px){.admin-grid{grid-template-columns:1fr 1fr}}.col-span-all{grid-column:1 / -1}.row{display:flex;align-items:center;gap:var(--space-4);padding:var(--space-4);background:var(--color-white);border:1px solid var(--color-border-light);border-radius:var(--radius-lg);margin-bottom:var(--space-3);transition:all var(--transition-base);box-shadow:var(--shadow-xs)}.row:last-child{margin-bottom:0}.row:hover{box-shadow:var(--shadow-md);border-color:var(--color-primary-light);transform:translateY(-2px)}.row img{border-radius:var(--radius-md);box-shadow:var(--shadow-sm)}.admin-row{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-4) 0;border-bottom:1px solid var(--color-border-light);flex-wrap:wrap;transition:all var(--transition-fast)}.admin-row:last-child{border-bottom:none}.admin-row:hover{background:var(--color-gray-50);border-radius:var(--radius-md);padding-left:var(--space-3);padding-right:var(--space-3)}.admin-username{min-width:0;font-weight:600;color:var(--color-text-primary);font-size:1rem}.admin-role{color:var(--color-text-muted);font-size:.875rem;padding:var(--space-1) var(--space-3);background:var(--color-gray-100);border-radius:var(--radius-full)}.admin-user-avatar{width:48px;height:48px;border-radius:var(--radius-full);background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-dark) 100%);color:var(--color-white);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.875rem;flex-shrink:0;box-shadow:var(--shadow-sm)}.admin-user-info{display:flex;flex-direction:column;gap:var(--space-2);min-width:0}.admin-user-meta{display:flex;gap:var(--space-2);align-items:center;flex-wrap:wrap}.admin-role-badge{display:inline-flex;align-items:center;gap:var(--space-1);font-size:.8125rem;padding:var(--space-1) var(--space-3);border-radius:var(--radius-full);font-weight:500;border:1px solid}.admin-role-badge.admin{background:linear-gradient(135deg,#8b5cf61a,#7c3aed1a);color:#7c3aed;border-color:#8b5cf64d}.admin-role-badge.customer{background:linear-gradient(135deg,#0ea5e91a,#06b6d41a);color:#0ea5e9;border-color:#0ea5e94d}.admin-user-products{font-size:.8125rem;color:var(--color-text-muted);padding:var(--space-1) var(--space-2);background:var(--color-gray-100);border-radius:var(--radius-full);font-weight:500}.admin-actions{display:flex;gap:var(--space-2)}@media (max-width: 640px){.admin-actions{width:100%;justify-content:flex-end}}.spacer{flex:1}.toast-container{position:fixed;bottom:var(--space-4);left:var(--space-4);z-index:2000;display:flex;flex-direction:column;gap:var(--space-3);max-width:400px;pointer-events:none}.toast{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-4);background:var(--color-white);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);border-left:4px solid;animation:slideInRight .3s ease-out;pointer-events:auto;min-width:300px}@keyframes slideInRight{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}.toast-success{border-left-color:#10b981}.toast-error{border-left-color:#ef4444}.toast-info{border-left-color:#3b82f6}.toast-icon{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-full);font-weight:700;font-size:1.125rem;flex-shrink:0}.toast-success .toast-icon{background:#10b9811a;color:#10b981}.toast-error .toast-icon{background:#ef44441a;color:#ef4444}.toast-info .toast-icon{background:#3b82f61a;color:#3b82f6}.toast-message{flex:1;font-size:.9375rem;color:var(--color-text-primary);line-height:1.5}.toast-close{width:24px;height:24px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-radius:var(--radius-md);color:var(--color-text-muted);cursor:pointer;font-size:1rem;transition:all var(--transition-fast);padding:0;flex-shrink:0}.toast-close:hover{background:var(--color-gray-100);color:var(--color-text-primary)}.toast-close:focus{outline:none;box-shadow:0 0 0 2px var(--color-primary)}@media (max-width: 640px){.toast-container{left:var(--space-4);right:var(--space-4);max-width:none}.toast{min-width:0}}.search-bar{position:relative;display:flex;align-items:center;margin-bottom:0;min-width:280px;flex:1}.search-icon{position:absolute;left:var(--space-4);font-size:1.25rem;color:var(--color-text-muted);pointer-events:none;z-index:1}.search-input{width:100%;padding:var(--space-3) var(--space-10) var(--space-3) calc(var(--space-4) + 2rem);border:2px solid var(--color-border-light);border-radius:var(--radius-lg);font-size:1rem;background:var(--color-white);transition:all var(--transition-base);box-shadow:var(--shadow-sm);font-weight:400}.search-input:hover{border-color:var(--color-border-medium);box-shadow:var(--shadow-md)}.search-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 4px #0ea5e926,var(--shadow-md);transform:translateY(-1px)}.search-input::placeholder{color:var(--color-text-light);font-weight:400}.search-clear{position:absolute;right:var(--space-3);width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:var(--color-gray-200);border:none;border-radius:var(--radius-full);color:var(--color-text-muted);cursor:pointer;font-size:.875rem;transition:all var(--transition-fast);padding:0;z-index:1}.search-clear:hover{background:var(--color-primary);color:var(--color-white);transform:scale(1.1)}.search-clear:focus{outline:none;box-shadow:0 0 0 3px #0ea5e94d}.products-header{display:flex;flex-direction:column;gap:var(--space-6);margin-top:var(--space-8);margin-bottom:var(--space-8);padding:var(--space-6);background:linear-gradient(135deg,#fffffff2,#f9fafbf2);border-radius:var(--radius-xl);border:1px solid var(--color-border-light);box-shadow:var(--shadow-md)}.products-title{font-size:clamp(1.75rem,4vw,2.25rem);font-weight:700;color:var(--color-text-primary);margin:0;text-align:center}.products-controls{display:flex;flex-direction:column;gap:var(--space-4);width:100%}.sort-wrapper{position:relative;display:flex;align-items:center;min-width:200px}.sort-icon{position:absolute;left:var(--space-4);font-size:1.25rem;color:var(--color-text-muted);pointer-events:none;z-index:1}.sort-select{width:100%;padding:var(--space-3) var(--space-4) var(--space-3) calc(var(--space-4) + 2rem);border:2px solid var(--color-border-light);border-radius:var(--radius-lg);font-size:1rem;background:var(--color-white);color:var(--color-text-primary);font-weight:500;cursor:pointer;transition:all var(--transition-base);box-shadow:var(--shadow-sm);-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 9L1 4h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right var(--space-3) center;padding-right:var(--space-10)}.sort-select:hover{border-color:var(--color-border-medium);box-shadow:var(--shadow-md)}.sort-select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 4px #0ea5e926,var(--shadow-md);transform:translateY(-1px)}@media (min-width: 768px){.products-header{flex-direction:row;align-items:center;justify-content:space-between}.products-title{text-align:left;flex-shrink:0}.products-controls{flex-direction:row;width:auto;flex:1;justify-content:flex-end}.search-bar{flex:1}.sort-wrapper{flex-shrink:0}}@media (max-width: 767px){.products-header{padding:var(--space-5)}.search-bar{min-width:100%}.sort-wrapper{width:100%}}.dashboard-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:var(--space-4);margin-bottom:var(--space-6)}.stat-card{display:flex;align-items:center;gap:var(--space-4);padding:var(--space-5);background:linear-gradient(135deg,var(--color-white) 0%,var(--color-gray-50) 100%);border:1px solid var(--color-border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);transition:all var(--transition-base)}.stat-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:var(--color-primary-light)}.stat-icon{font-size:2.5rem;width:64px;height:64px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0ea5e91a,#06b6d41a);border-radius:var(--radius-lg);flex-shrink:0}.stat-content{display:flex;flex-direction:column;gap:var(--space-1);min-width:0}.stat-value{font-size:2rem;font-weight:700;color:var(--color-text-primary);line-height:1}.stat-label{font-size:.875rem;font-weight:600;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em}.stat-detail{font-size:.8125rem;color:var(--color-text-muted);margin-top:var(--space-1)}@media (max-width: 640px){.dashboard-stats{grid-template-columns:1fr}.stat-card{padding:var(--space-4)}.stat-icon{font-size:2rem;width:56px;height:56px}.stat-value{font-size:1.75rem}}.admin-product-row{display:flex;align-items:center;gap:var(--space-4);padding:var(--space-4);border-bottom:1px solid var(--color-border-light);flex-wrap:nowrap;transition:all var(--transition-fast);background:var(--color-white)}.admin-product-row:last-child{border-bottom:none}.admin-product-row:hover{background:var(--color-gray-50);border-radius:var(--radius-md);box-shadow:var(--shadow-sm)}.admin-product-thumbnail{width:25%!important;height:auto;object-fit:cover;border-radius:var(--radius-md);box-shadow:var(--shadow-sm);border:1px solid 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