:root{--bg: #ffffff;--bg-subtle: #fafafa;--bg-elevated: #f5f5f5;--ink: #0a0a0a;--ink-secondary: #525252;--ink-subtle: #a3a3a3;--border: #e5e5e5;--border-subtle: #f0f0f0;--accent: #FF4000;--accent-hover: #e63a00;--accent-muted: rgba(255, 64, 0, .06);--accent-light: rgba(255, 64, 0, .12);--buyer: #FF4000;--merchant: #0a0a0a;--green: #059669;--red: #dc2626;--font-sans: "Inter", system-ui, -apple-system, sans-serif;--font-mono: "SF Mono", "Monaco", monospace;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(10,10,10,.04);--shadow-md: 0 4px 12px rgba(10,10,10,.06);--shadow-lg: 0 12px 32px rgba(10,10,10,.08);--shadow-orange: 0 4px 16px rgba(255, 64, 0, .15);--ease-out: cubic-bezier(.16, 1, .3, 1);--duration-fast: .15s;--duration-normal: .25s}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-sans);background:var(--bg);color:var(--ink);min-height:100vh;line-height:1.6;letter-spacing:-.01em}.app{display:grid;grid-template-columns:1fr 340px;height:100vh;overflow:hidden}.stage{overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--accent) transparent}.stage::-webkit-scrollbar{width:4px}.stage::-webkit-scrollbar-track{background:transparent}.stage::-webkit-scrollbar-thumb{background:var(--accent);border-radius:var(--radius-full)}.sidebar{background:var(--bg-subtle);border-left:1px solid var(--border-subtle);display:flex;flex-direction:column}.header{position:sticky;top:0;z-index:50;background:#fffffff2;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-subtle);padding:16px 24px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:10px}.brand-logo{width:32px;height:32px;background:var(--accent);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:14px;color:#fff;font-weight:700;box-shadow:var(--shadow-orange)}.brand-name{font-size:14px;font-weight:600;letter-spacing:-.2px}.brand-tag{font-size:10px;color:var(--ink-subtle);font-weight:500}.header-meta{display:flex;align-items:center;gap:16px}.ts{font-family:var(--font-mono);font-size:10px;color:var(--ink-subtle);font-variant-numeric:tabular-nums}.hero{padding:72px 24px;text-align:center;border-bottom:1px solid var(--border-subtle)}.hero-inner{max-width:480px;margin:0 auto}.hero h1{font-size:clamp(28px,4vw,40px);font-weight:700;margin-bottom:12px;letter-spacing:-1.2px;line-height:1.1}.hero p{font-size:15px;color:var(--ink-secondary);margin-bottom:28px;line-height:1.6;max-width:360px;margin-left:auto;margin-right:auto}.hero-stats{display:flex;justify-content:center;gap:40px;margin-top:28px}.hero-stat{text-align:center}.hero-stat-value{font-size:24px;font-weight:700;color:var(--accent);letter-spacing:-.5px}.hero-stat-label{font-size:9px;color:var(--ink-subtle);margin-top:4px;text-transform:uppercase;letter-spacing:.8px;font-weight:600}.section{padding:40px 24px;text-align:center;border-bottom:1px solid var(--border-subtle);background:var(--bg-subtle)}.section h2{font-size:18px;font-weight:600;margin-bottom:6px;letter-spacing:-.3px}.section p{font-size:12px;color:var(--ink-subtle);margin-bottom:24px}.steps{display:flex;justify-content:center;gap:24px;flex-wrap:wrap}.step{display:flex;flex-direction:column;align-items:center;gap:8px;max-width:100px}.step-number{width:28px;height:28px;background:var(--accent-muted);border:1px solid var(--accent-light);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;color:var(--accent)}.step-text{font-size:10px;font-weight:500;color:var(--ink-secondary);line-height:1.4}.agents-bar{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid var(--border-subtle)}.agent-pill{padding:10px 24px;display:flex;align-items:center;gap:8px;border-right:1px solid var(--border-subtle);transition:background var(--duration-fast) var(--ease-out)}.agent-pill:last-child{border-right:none}.agent-pill.buyer,.agent-pill.merchant{background:var(--bg-subtle)}.agent-pill.thinking{animation:pulse-bg 2s var(--ease-out) infinite}@keyframes pulse-bg{0%,to{background:var(--bg-subtle)}50%{background:var(--accent-muted)}}.agent-pill-icon{font-size:12px}.agent-pill-text{flex:1;min-width:0}.agent-pill-name{font-size:10px;font-weight:600}.agent-pill-status{font-size:9px;color:var(--ink-subtle);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.agent-pill-badge{font-size:8px;padding:2px 6px;border-radius:var(--radius-full);font-weight:600;letter-spacing:.3px}.agent-pill-badge.idle{background:var(--bg-elevated);color:var(--ink-subtle)}.agent-pill-badge.active{background:var(--accent);color:#fff}.agent-pill-badge.waiting{background:var(--accent-muted);color:var(--accent)}.main{padding:24px}.filters{display:flex;gap:4px;margin-bottom:20px;flex-wrap:wrap}.filter-btn{padding:5px 12px;border-radius:var(--radius-full);border:1px solid var(--border);background:transparent;font-size:11px;font-weight:500;cursor:pointer;transition:all var(--duration-fast) var(--ease-out);color:var(--ink-secondary)}.filter-btn:hover{border-color:var(--accent);color:var(--accent)}.filter-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}.products{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}.product{background:var(--bg);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);overflow:hidden;transition:all var(--duration-normal) var(--ease-out);cursor:pointer;position:relative}.product:hover,.product.added{border-color:var(--accent);box-shadow:var(--shadow-orange)}.product.skipped{opacity:.3;pointer-events:none}.product-image{width:100%;height:160px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;background:var(--bg-elevated)}.product-image img{width:100%;height:100%;object-fit:cover;transition:transform var(--duration-normal) var(--ease-out)}.product:hover .product-image img{transform:scale(1.03)}.product-badge{position:absolute;top:8px;left:8px;font-size:9px;font-weight:600;padding:3px 8px;border-radius:var(--radius-full);letter-spacing:.2px}.product-badge.added{background:var(--accent);color:#fff}.product-badge.skipped{background:var(--red);color:#fff}.product-badge.low-stock{background:var(--accent-muted);color:var(--accent)}.product-badge.clearance{background:#dc26261a;color:var(--red)}.product-info{padding:12px}.product-category{font-size:8px;font-weight:600;text-transform:uppercase;letter-spacing:.8px;color:var(--accent);margin-bottom:4px}.product-name{font-size:12px;font-weight:600;margin-bottom:4px;letter-spacing:-.2px;line-height:1.3}.product-desc{font-size:10px;color:var(--ink-subtle);line-height:1.5;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.product-meta{display:flex;align-items:center;gap:6px;margin-bottom:8px}.product-rating{display:flex;align-items:center;gap:3px;font-size:10px;font-weight:600}.product-rating-star{color:var(--accent)}.product-reviews{font-size:9px;color:var(--ink-subtle)}.product-tags{display:flex;flex-wrap:wrap;gap:4px;margin-bottom:8px}.product-tag{font-size:8px;padding:2px 6px;border-radius:var(--radius-full);background:var(--accent-muted);color:var(--accent);font-weight:500}.product-footer{display:flex;align-items:center;justify-content:space-between;padding-top:8px;border-top:1px solid var(--border-subtle)}.product-price{font-size:14px;font-weight:700;color:var(--accent)}.product-stock{font-size:9px;color:var(--ink-subtle)}.product-stock.low{color:var(--red);font-weight:600}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:100;display:none;align-items:center;justify-content:center;opacity:0;transition:opacity var(--duration-normal) var(--ease-out)}.modal-overlay.active{display:flex;opacity:1}.modal{background:var(--bg);border:1px solid var(--accent-light);border-radius:var(--radius-lg);max-width:720px;width:92%;max-height:85vh;overflow-y:auto;box-shadow:var(--shadow-orange);animation:modal-in var(--duration-normal) var(--ease-out)}@keyframes modal-in{0%{transform:scale(.97) translateY(6px);opacity:0}to{transform:scale(1) translateY(0);opacity:1}}.modal-grid{display:grid;grid-template-columns:1fr 1fr}.modal-image{width:100%;height:280px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;background:var(--bg-elevated)}.modal-image img{width:100%;height:100%;object-fit:cover}.modal-details{padding:20px}.modal-category{font-size:9px;font-weight:600;text-transform:uppercase;letter-spacing:.8px;color:var(--accent);margin-bottom:6px}.modal-title{font-size:20px;font-weight:700;letter-spacing:-.3px;margin-bottom:10px;line-height:1.2}.modal-rating{display:flex;align-items:center;gap:6px;margin-bottom:14px;font-size:11px;color:var(--ink-secondary)}.modal-rating-stars{color:var(--accent)}.modal-desc{font-size:12px;color:var(--ink-secondary);line-height:1.6;margin-bottom:16px}.modal-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px}.modal-tag{font-size:9px;padding:3px 8px;border-radius:var(--radius-full);background:var(--accent-muted);font-weight:500;color:var(--accent)}.modal-price-row{display:flex;align-items:center;justify-content:space-between;padding-top:16px;border-top:1px solid var(--border-subtle)}.modal-price{font-size:20px;font-weight:700;color:var(--accent)}.modal-stock{font-size:11px;font-weight:600}.modal-stock.in-stock{color:var(--green)}.modal-stock.low{color:var(--red)}.modal-close{position:absolute;top:12px;left:12px;width:28px;height:28px;border-radius:50%;background:var(--bg);border:1px solid var(--accent-light);font-size:12px;cursor:pointer;box-shadow:var(--shadow-sm);z-index:10;display:flex;align-items:center;justify-content:center;color:var(--ink);transition:all var(--duration-fast) var(--ease-out)}.modal-close:hover{background:var(--accent);color:#fff}.cart-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000059;z-index:200;opacity:0;pointer-events:none;transition:opacity var(--duration-normal) var(--ease-out)}.cart-overlay.active{opacity:1;pointer-events:auto}.cart-panel{position:fixed;top:0;right:0;width:340px;height:100vh;background:var(--bg);z-index:201;border-left:1px solid var(--accent-light);box-shadow:var(--shadow-orange);transform:translate(100%);transition:transform var(--duration-normal) var(--ease-out);display:flex;flex-direction:column}.cart-panel.active{transform:translate(0)}.cart-header{padding:16px 20px;border-bottom:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:space-between}.cart-title{font-size:14px;font-weight:600}.cart-close{width:24px;height:24px;border-radius:50%;background:var(--bg-elevated);border:none;font-size:11px;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--ink)}.cart-items{flex:1;overflow-y:auto;padding:12px 16px}.cart-item{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid var(--border-subtle)}.cart-item-image{width:40px;height:40px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;overflow:hidden;background:var(--bg-elevated)}.cart-item-info{flex:1}.cart-item-name{font-size:11px;font-weight:600;margin-bottom:2px}.cart-item-price{font-size:11px;font-weight:500;color:var(--ink-subtle)}.cart-empty{text-align:center;padding:40px 16px;color:var(--ink-subtle);font-size:12px}.cart-footer{padding:16px 20px;border-top:1px solid var(--border-subtle);background:var(--bg-subtle)}.cart-total-row{display:flex;justify-content:space-between;margin-bottom:12px}.cart-total-label{font-size:11px;font-weight:500;color:var(--ink-secondary)}.cart-total-value{font-size:14px;font-weight:700}.sidebar-header{padding:16px 20px;border-bottom:1px solid var(--border-subtle)}.sidebar-title{font-size:13px;font-weight:600}.sidebar-subtitle{font-size:10px;color:var(--ink-subtle)}.sidebar-body{flex:1;overflow-y:auto;padding:16px 20px}.controls{display:flex;flex-direction:column;gap:12px;margin-bottom:16px}.control-row{display:flex;flex-direction:column;gap:4px}.control-row label{font-size:9px;color:var(--ink-subtle);font-weight:600;text-transform:uppercase;letter-spacing:.5px}.control-row input,.control-row select{padding:8px 10px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--ink);font-size:12px;transition:border-color var(--duration-fast) var(--ease-out)}.control-row input:focus,.control-row select:focus{outline:none;border-color:var(--accent)}.control-check{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--ink-secondary)}.control-check input[type=checkbox]{width:12px;height:12px;accent-color:var(--accent)}.btn{padding:8px 14px;border:none;border-radius:var(--radius-sm);font-size:11px;font-weight:600;cursor:pointer;transition:all var(--duration-fast) var(--ease-out);width:100%}.btn:disabled{opacity:.4;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-secondary{background:var(--bg);color:var(--ink);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background:var(--bg-elevated)}.btn-danger{background:transparent;color:var(--red);border:1px solid rgba(220,38,38,.2)}.btn-danger:hover:not(:disabled){background:#dc26260a}.log{font-family:var(--font-mono);font-size:9px;line-height:1.6;max-height:160px;overflow-y:auto;background:var(--bg);border-radius:var(--radius-sm);padding:10px;border:1px solid var(--border-subtle)}.log-entry{padding:2px 0;border-bottom:1px solid rgba(0,0,0,.02)}.log-entry:last-child{border-bottom:none}.log-entry .time{color:var(--ink-subtle);margin-right:6px;font-size:8px}.log-entry.buyer{color:var(--accent)}.log-entry.merchant{color:var(--merchant)}.log-entry.tool{color:#d97706}.log-entry.system{color:var(--ink-subtle)}.empty-state{text-align:center;padding:56px 20px}.empty-state .icon{font-size:40px;margin-bottom:12px}.empty-state .title{font-size:16px;font-weight:600;margin-bottom:6px}.empty-state .desc{font-size:12px;color:var(--ink-subtle);line-height:1.6;max-width:280px;margin:0 auto}.toast{position:fixed;bottom:20px;left:50%;transform:translate(-50%) translateY(80px);background:var(--accent);color:#fff;padding:8px 16px;border-radius:var(--radius-full);font-size:11px;font-weight:500;box-shadow:var(--shadow-orange);z-index:300;opacity:0;transition:all var(--duration-normal) var(--ease-out)}.toast.show{transform:translate(-50%) translateY(0);opacity:1}@media(max-width:900px){.app{grid-template-columns:1fr}.sidebar{display:none}.modal-grid{grid-template-columns:1fr}.modal-image{height:180px}.hero h1{font-size:28px}.hero-stats{gap:24px}}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}::selection{background:var(--accent-muted)}