:root{--sf-primary: #4f46e5;--sf-secondary: #7c3aed;--sf-bg: #ffffff;--sf-text: #111827;--sf-text-muted: #6b7280;--sf-border: #e5e7eb;--sf-radius: 8px;--sf-font: "Inter", system-ui, sans-serif;--sf-primary-light: color-mix(in srgb, var(--sf-primary) 15%, white);--sf-primary-dark: color-mix(in srgb, var(--sf-primary) 80%, black)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--sf-font);background:var(--sf-bg);color:var(--sf-text);line-height:1.6;min-height:100vh}h1{font-size:clamp(1.5rem,4vw,2.5rem);font-weight:700;line-height:1.2}h2{font-size:clamp(1.25rem,3vw,1.75rem);font-weight:600}h3{font-size:1.125rem;font-weight:600}p{color:var(--sf-text-muted)}a{color:var(--sf-primary);text-decoration:none}a:hover{text-decoration:underline}.sf-container{max-width:1200px;margin:0 auto;padding:0 20px}.sf-section{padding:48px 0}.sf-grid{display:grid;gap:24px}.sf-grid-2{grid-template-columns:repeat(2,1fr)}.sf-grid-3{grid-template-columns:repeat(3,1fr)}.sf-grid-4{grid-template-columns:repeat(4,1fr)}@media (max-width: 900px){.sf-grid-4,.sf-grid-3{grid-template-columns:repeat(2,1fr)}}@media (max-width: 600px){.sf-grid-4,.sf-grid-3,.sf-grid-2{grid-template-columns:1fr}}.sf-header{background:var(--sf-primary);color:#fff;position:sticky;top:0;z-index:100;box-shadow:0 2px 8px #00000026}.sf-header-inner{display:flex;align-items:center;height:64px;gap:32px}.sf-logo{font-size:1.25rem;font-weight:700;color:#fff;text-decoration:none;flex-shrink:0}.sf-logo:hover{text-decoration:none;opacity:.9}.sf-logo img{height:36px;object-fit:contain}.sf-nav{display:flex;gap:24px;align-items:center;flex:1}.sf-nav a{color:#ffffffd9;font-size:.9rem;font-weight:500;transition:color .15s}.sf-nav a:hover,.sf-nav a.active{color:#fff;text-decoration:none}.sf-header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}.sf-cart-btn{background:#ffffff26;border:none;color:#fff;padding:6px 14px;border-radius:var(--sf-radius);font-size:.875rem;cursor:pointer;display:flex;align-items:center;gap:6px;transition:background .15s}.sf-cart-btn:hover{background:#ffffff40}.sf-cart-count{background:#fff;color:var(--sf-primary);border-radius:9999px;font-size:.7rem;font-weight:700;width:18px;height:18px;display:flex;align-items:center;justify-content:center}.sf-banner{background:var(--sf-secondary);color:#fff;text-align:center;padding:8px 16px;font-size:.875rem}.sf-footer{background:#111827;color:#9ca3af;padding:40px 0 20px;margin-top:80px}.sf-footer h4{color:#fff;font-size:.875rem;font-weight:600;margin-bottom:12px}.sf-footer a{color:#9ca3af;font-size:.875rem}.sf-footer a:hover{color:#fff}.sf-footer-bottom{border-top:1px solid #374151;margin-top:32px;padding-top:20px;font-size:.8rem;text-align:center}.sf-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:var(--sf-radius);font-size:.9375rem;font-weight:500;cursor:pointer;border:none;transition:all .15s;text-decoration:none}.sf-btn:hover{text-decoration:none;transform:translateY(-1px)}.sf-btn-primary{background:var(--sf-primary);color:#fff}.sf-btn-primary:hover{background:var(--sf-primary-dark);color:#fff}.sf-btn-secondary{background:transparent;color:var(--sf-primary);border:1.5px solid var(--sf-primary)}.sf-btn-secondary:hover{background:var(--sf-primary-light);color:var(--sf-primary)}.sf-btn-lg{padding:14px 28px;font-size:1rem}.sf-btn-full{width:100%;justify-content:center}.sf-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.sf-input{display:block;width:100%;padding:10px 14px;border:1.5px solid var(--sf-border);border-radius:var(--sf-radius);font-size:.9375rem;font-family:inherit;color:var(--sf-text);background:#fff;transition:border-color .15s}.sf-input:focus{outline:none;border-color:var(--sf-primary)}.sf-label{display:block;font-size:.875rem;font-weight:500;margin-bottom:6px;color:var(--sf-text)}.sf-form-group{margin-bottom:16px}.sf-select{display:block;width:100%;padding:10px 14px;border:1.5px solid var(--sf-border);border-radius:var(--sf-radius);font-size:.9375rem;font-family:inherit;color:var(--sf-text);background:#fff;cursor:pointer}.sf-select:focus{outline:none;border-color:var(--sf-primary)}.sf-product-card{background:#fff;border:1px solid var(--sf-border);border-radius:calc(var(--sf-radius) * 1.5);overflow:hidden;transition:box-shadow .2s,transform .2s;cursor:pointer}.sf-product-card:hover{box-shadow:0 8px 24px #0000001a;transform:translateY(-2px)}.sf-product-card-img{width:100%;aspect-ratio:1;object-fit:cover;background:#f3f4f6}.sf-product-card-img-placeholder{width:100%;aspect-ratio:1;background:linear-gradient(135deg,#f3f4f6,#e5e7eb);display:flex;align-items:center;justify-content:center;font-size:2.5rem}.sf-product-card-body{padding:16px}.sf-product-card-name{font-weight:600;color:var(--sf-text);margin-bottom:4px;font-size:.9375rem}.sf-product-card-price{color:var(--sf-primary);font-weight:700;font-size:1.125rem}.sf-product-card-method{font-size:.75rem;color:var(--sf-text-muted);text-transform:capitalize;margin-bottom:8px}.sf-cart-item{display:flex;gap:16px;padding:16px 0;border-bottom:1px solid var(--sf-border)}.sf-cart-item-img{width:72px;height:72px;object-fit:cover;border-radius:var(--sf-radius);background:#f3f4f6;flex-shrink:0}.sf-cart-qty{display:flex;align-items:center;gap:8px}.sf-qty-btn{width:28px;height:28px;border-radius:50%;border:1.5px solid var(--sf-border);background:#fff;cursor:pointer;font-size:1rem;display:flex;align-items:center;justify-content:center;transition:all .15s}.sf-qty-btn:hover{border-color:var(--sf-primary);color:var(--sf-primary)}.sf-badge{display:inline-block;padding:2px 10px;border-radius:9999px;font-size:.75rem;font-weight:600}.sf-badge-success{background:#d1fae5;color:#065f46}.sf-badge-warning{background:#fef3c7;color:#92400e}.sf-badge-info{background:#dbeafe;color:#1e40af}.sf-badge-neutral{background:#f3f4f6;color:#374151}.sf-status{display:inline-flex;align-items:center;gap:6px;font-size:.8125rem;font-weight:500}.sf-status:before{content:"";width:8px;height:8px;border-radius:50%;flex-shrink:0}.sf-status-draft:before{background:#9ca3af}.sf-status-quoted:before{background:#3b82f6}.sf-status-approved:before{background:#f59e0b}.sf-status-in_production:before{background:#8b5cf6}.sf-status-complete:before{background:#10b981}.sf-status-invoiced:before{background:#f97316}.sf-status-paid:before{background:#22c55e}.sf-status-cancelled:before{background:#ef4444}.sf-alert{padding:12px 16px;border-radius:var(--sf-radius);font-size:.875rem;margin-bottom:16px}.sf-alert-error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}.sf-alert-success{background:#f0fdf4;color:#166534;border:1px solid #bbf7d0}.sf-alert-info{background:#eff6ff;color:#1e40af;border:1px solid #bfdbfe}.sf-skeleton{background:linear-gradient(90deg,#f3f4f6 25%,#e5e7eb,#f3f4f6 75%);background-size:200% 100%;animation:sf-shimmer 1.5s infinite;border-radius:var(--sf-radius)}@keyframes sf-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.sf-empty{text-align:center;padding:64px 20px}.sf-empty-icon{font-size:3rem;margin-bottom:16px}.sf-empty-title{font-size:1.25rem;font-weight:600;color:var(--sf-text);margin-bottom:8px}.sf-empty-text{color:var(--sf-text-muted);margin-bottom:24px}.sf-card{background:#fff;border:1px solid var(--sf-border);border-radius:calc(var(--sf-radius) * 1.5);padding:24px}.sf-card-title{font-size:1rem;font-weight:600;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--sf-border)}.sf-table{width:100%;border-collapse:collapse;font-size:.9rem}.sf-table th{text-align:left;font-weight:600;font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;color:var(--sf-text-muted);padding:8px 12px;border-bottom:2px solid var(--sf-border)}.sf-table td{padding:12px;border-bottom:1px solid var(--sf-border)}.sf-hero{padding:72px 0;text-align:center;background:linear-gradient(135deg,var(--sf-primary-light),#fff)}.sf-hero h1{margin-bottom:16px}.sf-hero p{font-size:1.125rem;max-width:560px;margin:0 auto 32px}.sf-steps{display:flex;gap:0;margin-bottom:32px}.sf-step{flex:1;text-align:center;font-size:.8rem;font-weight:600;padding:10px;border-bottom:3px solid var(--sf-border);color:var(--sf-text-muted)}.sf-step-active{border-bottom-color:var(--sf-primary);color:var(--sf-primary)}.sf-step-done{border-bottom-color:#10b981;color:#10b981}.sf-spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:sf-spin .7s linear infinite;display:inline-block}@keyframes sf-spin{to{transform:rotate(360deg)}}