:root{--primary: #6366f1;--primary-dark: #4f46e5;--primary-light: #818cf8;--secondary: #8b5cf6;--secondary-dark: #7c3aed;--success: #10b981;--danger: #ef4444;--warning: #f59e0b;--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--text-primary: #f1f5f9;--text-secondary: #cbd5e1;--text-muted: #94a3b8;--border: #334155;--border-light: #475569;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow: 0 4px 6px -1px rgb(0 0 0 / .3);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .5);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .6);--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", sans-serif}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-family);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh}.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-lg)}.btn{padding:.625rem 1.25rem;border:none;border-radius:var(--radius-md);font-size:.875rem;font-weight:600;cursor:pointer;transition:all .2s ease;display:inline-flex;align-items:center;gap:.5rem;text-decoration:none;font-family:var(--font-family)}.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn:active{transform:translateY(0)}.btn-primary{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff}.btn-secondary{background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border)}.btn-danger{background:var(--danger);color:#fff}.btn-success{background:var(--success);color:#fff}.btn-sm{padding:.5rem 1rem;font-size:.8125rem}.form-group{margin-bottom:var(--spacing-lg)}label{display:block;margin-bottom:var(--spacing-sm);font-weight:500;color:var(--text-secondary);font-size:.875rem}input,select,textarea{width:100%;padding:.75rem;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-primary);font-size:.9375rem;font-family:var(--font-family);transition:all .2s ease}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #6366f11a}input::placeholder{color:var(--text-muted)}.card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--spacing-xl);box-shadow:var(--shadow);transition:all .3s ease}.card:hover{box-shadow:var(--shadow-lg);border-color:var(--border-light)}table{width:100%;border-collapse:collapse;background:var(--bg-secondary);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}thead{background:var(--bg-tertiary)}th{padding:1rem;text-align:left;font-weight:600;color:var(--text-primary);font-size:.875rem;text-transform:uppercase;letter-spacing:.05em}td{padding:1rem;border-top:1px solid var(--border);color:var(--text-secondary)}tbody tr{transition:background .2s ease}tbody tr:hover{background:#6366f10d}.alert{padding:1rem;border-radius:var(--radius-md);margin-bottom:var(--spacing-lg);border-left:4px solid}.alert-success{background:#10b9811a;border-color:var(--success);color:var(--success)}.alert-danger{background:#ef44441a;border-color:var(--danger);color:var(--danger)}.alert-warning{background:#f59e0b1a;border-color:var(--warning);color:var(--warning)}.loading{display:flex;justify-content:center;align-items:center;min-height:200px}.spinner{width:40px;height:40px;border:4px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.text-center{text-align:center}.text-muted{color:var(--text-muted)}.mb-sm{margin-bottom:var(--spacing-sm)}.mb-md{margin-bottom:var(--spacing-md)}.mb-lg{margin-bottom:var(--spacing-lg)}.mb-xl{margin-bottom:var(--spacing-xl)}.mt-sm{margin-top:var(--spacing-sm)}.mt-md{margin-top:var(--spacing-md)}.mt-lg{margin-top:var(--spacing-lg)}.mt-xl{margin-top:var(--spacing-xl)}.flex{display:flex}.flex-between{display:flex;justify-content:space-between;align-items:center}.flex-center{display:flex;justify-content:center;align-items:center}.gap-sm{gap:var(--spacing-sm)}.gap-md{gap:var(--spacing-md)}.gap-lg{gap:var(--spacing-lg)}.page{min-height:100vh;padding-top:80px;padding-bottom:var(--spacing-xl)}.page-header{margin-bottom:var(--spacing-xl)}.page-title{font-size:2rem;font-weight:700;background:linear-gradient(135deg,var(--primary-light) 0%,var(--secondary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:var(--spacing-sm)}.page-subtitle{color:var(--text-muted);font-size:1rem}.navbar{position:fixed;top:0;left:0;right:0;background:var(--bg-secondary);border-bottom:1px solid var(--border);box-shadow:var(--shadow-lg);z-index:1000;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.navbar-content{display:flex;align-items:center;justify-content:space-between;padding:1rem 0;gap:var(--spacing-lg)}.navbar-brand{display:flex;align-items:center;gap:var(--spacing-sm);text-decoration:none;font-size:1.25rem;font-weight:700;color:var(--text-primary);transition:transform .2s ease}.navbar-brand:hover{transform:scale(1.05)}.brand-icon{font-size:1.5rem}.brand-text{background:linear-gradient(135deg,var(--primary-light) 0%,var(--secondary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.navbar-menu{display:flex;gap:var(--spacing-lg);flex:1;margin-left:var(--spacing-xl)}.nav-link{color:var(--text-secondary);text-decoration:none;font-weight:500;padding:.5rem 1rem;border-radius:var(--radius-md);transition:all .2s ease}.nav-link:hover{color:var(--text-primary);background:var(--bg-tertiary)}.navbar-actions{display:flex;align-items:center;gap:var(--spacing-md)}.user-badge{display:flex;align-items:center;gap:var(--spacing-sm);padding:.5rem 1rem;background:var(--bg-tertiary);border-radius:var(--radius-md);color:var(--text-secondary);font-size:.875rem;font-weight:500}.user-icon{font-size:1rem}@media(max-width:768px){.navbar-content{flex-wrap:wrap}.navbar-menu{order:3;width:100%;margin-left:0;margin-top:var(--spacing-sm)}.brand-text{display:none}}.home-page{min-height:100vh}.hero-section{min-height:calc(100vh - 80px);display:flex;align-items:center;background:linear-gradient(135deg,#0f172a,#1e1b4b,#2d1b69);position:relative;overflow:hidden}.hero-section:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 50%,rgba(99,102,241,.1) 0%,transparent 50%),radial-gradient(circle at 80% 50%,rgba(139,92,246,.1) 0%,transparent 50%);pointer-events:none}.hero-content{position:relative;z-index:1;text-align:center;max-width:800px;margin:0 auto;padding:var(--spacing-xl) 0}.hero-badge{display:inline-flex;align-items:center;gap:var(--spacing-sm);padding:.5rem 1.25rem;background:#6366f11a;border:1px solid var(--primary);border-radius:2rem;color:var(--primary-light);font-size:.875rem;font-weight:600;margin-bottom:var(--spacing-xl);animation:fadeInUp .6s ease}.badge-icon{font-size:1rem}.hero-title{font-size:3.5rem;font-weight:800;line-height:1.2;margin-bottom:var(--spacing-lg);color:var(--text-primary);animation:fadeInUp .6s ease .1s backwards}.gradient-text{background:linear-gradient(135deg,var(--primary-light) 0%,var(--secondary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{font-size:1.25rem;color:var(--text-secondary);line-height:1.8;margin-bottom:var(--spacing-xl) * 1.5;animation:fadeInUp .6s ease .2s backwards}.hero-actions{display:flex;gap:var(--spacing-md);justify-content:center;animation:fadeInUp .6s ease .3s backwards}.btn-lg{padding:.875rem 2rem;font-size:1rem}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.features-section{padding:calc(var(--spacing-xl) * 4) 0;background:var(--bg-primary)}.section-title{text-align:center;font-size:2.5rem;font-weight:700;margin-bottom:calc(var(--spacing-xl) * 2);background:linear-gradient(135deg,var(--primary-light) 0%,var(--secondary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--spacing-xl)}.feature-card{text-align:center;padding:calc(var(--spacing-xl) * 1.5);transition:all .3s ease}.feature-card:hover{transform:translateY(-8px);border-color:var(--primary)}.feature-icon{font-size:3rem;margin-bottom:var(--spacing-lg);display:inline-block;transition:transform .3s ease}.feature-card:hover .feature-icon{transform:scale(1.1)}.feature-title{font-size:1.25rem;font-weight:600;color:var(--text-primary);margin-bottom:var(--spacing-sm)}.feature-description{color:var(--text-secondary);line-height:1.6}@media(max-width:768px){.hero-title{font-size:2.5rem}.hero-subtitle{font-size:1.125rem}.hero-actions{flex-direction:column}.hero-actions .btn{width:100%}.features-grid{grid-template-columns:1fr}}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--spacing-xl);background:linear-gradient(135deg,#0f172a,#1e1b4b)}.auth-container{width:100%;max-width:450px}.auth-card{animation:fadeInUp .5s ease}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.auth-header{text-align:center;margin-bottom:var(--spacing-xl)}.auth-title{font-size:2rem;font-weight:700;background:linear-gradient(135deg,var(--primary-light) 0%,var(--secondary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:var(--spacing-sm)}.auth-subtitle{color:var(--text-muted);font-size:.9375rem}.auth-footer{text-align:center;margin-top:var(--spacing-xl);color:var(--text-secondary);font-size:.875rem}.auth-link{color:var(--primary-light);text-decoration:none;font-weight:600;transition:color .2s ease}.auth-link:hover{color:var(--primary);text-decoration:underline}.w-full{width:100%}.form-group:last-of-type{margin-bottom:var (--spacing-xl)}.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:var(--spacing-lg)}.product-card{transition:all .3s ease;display:flex;flex-direction:column}.product-card:hover{transform:translateY(-4px);border-color:var(--primary)}.product-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:var(--spacing-md);gap:var(--spacing-sm)}.product-name{font-size:1.25rem;font-weight:600;color:var(--text-primary);margin:0;flex:1}.stock-badge{padding:.25rem .75rem;border-radius:var(--radius-md);font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.stock-badge.in-stock{background:#10b9811a;color:var(--success);border:1px solid var(--success)}.stock-badge.low-stock{background:#f59e0b1a;color:var(--warning);border:1px solid var(--warning)}.product-description{color:var(--text-secondary);font-size:.9375rem;margin-bottom:var(--spacing-lg);line-height:1.6;flex:1}.product-info{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-md);padding:var(--spacing-md);background:var(--bg-tertiary);border-radius:var(--radius-md);margin-bottom:var(--spacing-lg)}.info-item{display:flex;flex-direction:column;gap:.25rem}.info-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-weight:600}.info-value{font-size:1.125rem;color:var(--text-primary);font-weight:600}.product-actions{display:flex;gap:var(--spacing-sm);margin-top:auto}.product-actions .btn{flex:1;justify-content:center}.empty-state{text-align:center;padding:var(--spacing-xl) * 2;max-width:500px;margin:0 auto}.empty-icon{font-size:4rem;margin-bottom:var(--spacing-lg);opacity:.5}.empty-state h3{font-size:1.5rem;margin-bottom:var(--spacing-sm);color:var(--text-primary)}.empty-state p{color:var(--text-muted);margin-bottom:var(--spacing-lg)}@media(max-width:768px){.products-grid{grid-template-columns:1fr}.page-header{flex-direction:column;align-items:stretch!important;gap:var(--spacing-md)}.page-header .btn{width:100%}}.form-container{max-width:700px;margin:0 auto}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-lg)}.form-actions{display:flex;gap:var(--spacing-md);justify-content:flex-end;margin-top:var(--spacing-xl);padding-top:var(--spacing-lg);border-top:1px solid var(--border)}textarea{resize:vertical;min-height:100px}input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button{opacity:1}@media(max-width:768px){.form-row{grid-template-columns:1fr}.form-actions{flex-direction:column-reverse}.form-actions .btn{width:100%}}.details-container{max-width:900px;margin:0 auto}.back-link{display:inline-flex;align-items:center;color:var(--text-secondary);text-decoration:none;margin-bottom:var(--spacing-lg);font-weight:500;transition:color .2s ease}.back-link:hover{color:var(--primary-light)}.details-card{padding:var(--spacing-xl) * 1.5}.details-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:var(--spacing-xl);padding-bottom:var(--spacing-xl);border-bottom:1px solid var(--border);gap:var(--spacing-lg)}.details-header>div:first-child{display:flex;align-items:center;gap:var(--spacing-md);flex-wrap:wrap}.details-title{font-size:2rem;font-weight:700;color:var(--text-primary);margin:0}.details-actions{display:flex;gap:var(--spacing-sm)}.details-body{display:flex;flex-direction:column;gap:var(--spacing-xl)}.detail-section{margin-bottom:var(--spacing-lg)}.section-title{font-size:1.125rem;font-weight:600;color:var(--text-primary);margin-bottom:var(--spacing-md)}.section-content{color:var(--text-secondary);line-height:1.8;font-size:1rem}.details-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--spacing-lg);padding:var(--spacing-lg);background:var(--bg-tertiary);border-radius:var(--radius-lg)}.detail-item{display:flex;flex-direction:column;gap:.5rem}.detail-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-weight:600}.detail-value{font-size:1.25rem;color:var(--text-primary);font-weight:600}.detail-value.price{color:var(--primary-light);font-size:1.5rem}@media(max-width:768px){.details-header{flex-direction:column}.details-actions{width:100%}.details-actions .btn{flex:1}.details-grid{grid-template-columns:1fr}}.app{min-height:100vh;background:var(--bg-primary)}