:root{--primary:#4f46e5;--primary-hover:#4338ca;--secondary:#10b981;--text-main:#111827;--text-muted:#6b7280;--text-light:#9ca3af;--bg-main:#f9fafb;--bg-surface:#fff;--bg-subtle:#f3f4f6;--border-light:#e5e7eb;--border-main:#d1d5db;--error:#ef4444;--success:#10b981;--warning:#f59e0b;--spacing-xs:.25rem;--spacing-sm:.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--radius-sm:.25rem;--radius-md:.5rem;--radius-lg:.75rem;--radius-full:9999px;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -2px #0000000d}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-main);color:var(--text-main);-webkit-font-smoothing:antialiased;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5}a{color:inherit;text-decoration:none}ul{list-style:none}h1,h2,h3,h4,h5,h6{color:var(--text-main);font-weight:600;line-height:1.2}h1{font-size:2.25rem}h2{font-size:1.875rem}h3{font-size:1.5rem}p{color:var(--text-muted)}.container{max-width:1200px;padding:0 var(--spacing-md);margin:0 auto}.header{background-color:var(--bg-surface);border-bottom:1px solid var(--border-light);z-index:50;box-shadow:var(--shadow-sm);position:sticky;top:0}.header-content{justify-content:space-between;align-items:center;height:70px;display:flex}.logo{color:var(--primary);align-items:center;gap:var(--spacing-sm);font-size:1.5rem;font-weight:700;display:flex}.nav-links{gap:var(--spacing-xl);display:flex}.nav-item{color:var(--text-main);font-weight:500;transition:color .2s}.nav-item:hover{color:var(--primary)}.header-actions{align-items:center;gap:var(--spacing-lg);display:flex}.icon-btn{color:var(--text-main);cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;transition:color .2s;display:flex;position:relative}.icon-btn:hover{color:var(--primary)}.badge{background-color:var(--primary);color:#fff;border-radius:var(--radius-full);justify-content:center;align-items:center;width:20px;height:20px;font-size:.75rem;font-weight:600;display:flex;position:absolute;top:-8px;right:-8px}.btn{justify-content:center;align-items:center;gap:var(--spacing-sm);border-radius:var(--radius-md);cursor:pointer;border:1px solid #0000;padding:.5rem 1rem;font-size:.875rem;font-weight:500;transition:all .2s;display:inline-flex}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-hover)}.btn-secondary{background-color:var(--bg-subtle);color:var(--text-main);border-color:var(--border-main)}.btn-secondary:hover{background-color:var(--border-light)}.btn-block{width:100%}.form-group{margin-bottom:var(--spacing-md)}.form-label{margin-bottom:var(--spacing-xs);color:var(--text-main);font-size:.875rem;font-weight:500;display:block}.form-control{border:1px solid var(--border-main);border-radius:var(--radius-md);background-color:var(--bg-surface);width:100%;color:var(--text-main);padding:.625rem;font-size:.875rem;transition:border-color .2s,box-shadow .2s}.form-control:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #4f46e51a}.card{background-color:var(--bg-surface);border-radius:var(--radius-lg);border:1px solid var(--border-light);transition:transform .2s,box-shadow .2s;overflow:hidden}.product-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}.product-image{object-fit:cover;background-color:var(--bg-subtle);width:100%;height:200px}.product-info{padding:var(--spacing-md)}.product-category{color:var(--text-light);text-transform:uppercase;letter-spacing:.05em;margin-bottom:var(--spacing-xs);font-size:.75rem}.product-title{margin-bottom:var(--spacing-sm);white-space:nowrap;text-overflow:ellipsis;font-size:1rem;overflow:hidden}.product-price{color:var(--primary);margin-bottom:var(--spacing-md);font-size:1.25rem;font-weight:700}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.gap-2{gap:.5rem}.gap-4{gap:1rem}.mt-4{margin-top:1rem}.mt-8{margin-top:2rem}.mb-4{margin-bottom:1rem}.mb-8{margin-bottom:2rem}.text-center{text-align:center}.grid-cols-2{gap:var(--spacing-lg);grid-template-columns:repeat(2,1fr);display:grid}.grid-cols-3{gap:var(--spacing-lg);grid-template-columns:repeat(3,1fr);display:grid}.grid-cols-4{gap:var(--spacing-lg);grid-template-columns:repeat(4,1fr);display:grid}@media (width<=1024px){.grid-cols-4{grid-template-columns:repeat(3,1fr)}}@media (width<=768px){.grid-cols-3,.grid-cols-4{grid-template-columns:repeat(2,1fr)}.nav-links{display:none}.header-actions{gap:var(--spacing-md)}}@media (width<=640px){.grid-cols-2,.grid-cols-3,.grid-cols-4{grid-template-columns:1fr}}.auth-container{min-height:calc(100vh - 70px);padding:var(--spacing-md);justify-content:center;align-items:center;display:flex}.auth-card{width:100%;max-width:400px;padding:var(--spacing-xl);background:var(--bg-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);border:1px solid var(--border-light)}.auth-header{text-align:center;margin-bottom:var(--spacing-xl)}.main-wrapper{min-height:calc(100vh - 270px);padding:var(--spacing-xl) 0}.alert{padding:var(--spacing-md);border-radius:var(--radius-md);margin-bottom:var(--spacing-md);font-size:.875rem}.alert-error{color:var(--error);background-color:#fef2f2;border:1px solid #fca5a5}.alert-success{color:var(--success);background-color:#ecfdf5;border:1px solid #6ee7b7}