:root{--bg:#071018;--panel:#0d1b27;--panel2:#122433;--text:#f4fbff;--muted:#8fa5b5;--line:#1d3444;--accent:#65f0b3;--accent2:#5fc8ff;--radius:20px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(900px 500px at 80% 0,rgba(95,200,255,.13),transparent 60%),radial-gradient(800px 500px at 0 30%,rgba(101,240,179,.08),transparent 60%),var(--bg);color:var(--text);font-family:Inter,Segoe UI,Arial,sans-serif;line-height:1.5}a{color:inherit;text-decoration:none}.topbar{position:-webkit-sticky;position:sticky;top:0;z-index:20;height:76px;padding:0 6vw;justify-content:space-between;background:rgba(7,16,24,.82);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.brand,.topbar{display:flex;align-items:center}.brand{gap:11px;font-weight:900;letter-spacing:2px}.brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:11px;color:#06120e;background:linear-gradient(135deg,var(--accent),var(--accent2))}.topbar nav{display:flex;gap:28px;color:var(--muted)}.topbar nav a:hover{color:white}.header-cta{border:1px solid var(--line);padding:10px 16px;border-radius:12px}.hero{max-width:1400px;margin:auto;padding:90px 6vw 72px;display:grid;grid-template-columns:1.25fr .75fr;grid-gap:70px;gap:70px;align-items:center}.eyebrow{display:inline-block;color:var(--accent);font-size:12px;font-weight:800;letter-spacing:2px}.hero h1{font-size:clamp(42px,6vw,76px);line-height:1.02;margin:18px 0 22px;letter-spacing:-3px}.hero h1 span{color:transparent;background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text}.subtitle{font-size:19px;color:var(--muted);max-width:650px}.hero-actions{display:flex;gap:12px;margin-top:30px}.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);background:var(--panel2);color:white;border-radius:13px;padding:13px 19px;font-weight:800;cursor:pointer}.btn.primary{color:#06120e;border:0;background:linear-gradient(135deg,var(--accent),var(--accent2));box-shadow:0 14px 35px rgba(101,240,179,.16)}.trust-row{display:flex;gap:22px;margin-top:28px;color:var(--muted);font-size:13px}.opportunity-card{background:linear-gradient(160deg,rgba(18,36,51,.98),rgba(10,25,35,.95));border:1px solid var(--line);padding:24px;border-radius:28px;box-shadow:0 30px 80px rgba(0,0,0,.35);transform:rotate(2deg)}.opportunity-top,.price-row,.product-profit,.profit-line{display:flex;justify-content:space-between;align-items:center}.opportunity-top span,.profit-line span{color:var(--muted)}.opportunity-top strong{display:grid;place-items:center;width:48px;height:48px;border-radius:50%;background:var(--accent);color:#06120e}.product-visual{display:grid;place-items:center;height:190px;margin:18px 0;background:radial-gradient(circle,rgba(95,200,255,.2),transparent 65%);font-size:86px}.opportunity-card h2{margin:0 0 20px}.profit-line strong{color:var(--accent);font-size:22px}.meter{height:7px;border-radius:9px;background:#071018;margin:14px 0}.meter i{display:block;width:82%;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--accent),var(--accent2))}.opportunity-card small{color:var(--muted)}.metrics{max-width:1240px;margin:0 auto 30px;padding:24px 4vw;display:grid;grid-template-columns:repeat(4,1fr);background:rgba(13,27,39,.75);border:1px solid var(--line);border-radius:20px}.metrics div{display:flex;flex-direction:column;align-items:center;border-right:1px solid var(--line)}.metrics div:last-child{border:0}.metrics strong{font-size:27px}.metrics span{color:var(--muted);font-size:13px}.section{max-width:1400px;margin:auto;padding:70px 6vw}.section-title{display:flex;justify-content:space-between;align-items:end;margin-bottom:28px}.section-title h2,.seller-cta h2{font-size:34px;margin:8px 0 0}.section-title>a{color:var(--accent)}.filters{display:flex;gap:12px;margin-bottom:24px}.filters input,.filters select,.form input,.form textarea{width:100%;border:1px solid var(--line);background:var(--panel);color:white;border-radius:12px;padding:13px 15px;font:inherit;outline:none}.filters input{max-width:380px}.filters select{width:190px}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:20px;gap:20px}.product-card{overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:rgba(13,27,39,.88);transition:.2s}.product-card:hover{transform:translateY(-4px);border-color:#31546a}.product-image{position:relative;height:180px;display:grid;place-items:center;background:radial-gradient(circle,rgba(95,200,255,.14),transparent 65%);font-size:72px}.product-image b{position:absolute;right:15px;top:15px;background:var(--accent);color:#06120e;border-radius:30px;padding:6px 10px;font-size:12px}.product-body{padding:20px}.product-body small{color:var(--accent2)}.product-body h3{font-size:19px;margin:7px 0 15px}.price-row>strong{font-size:24px}.price-row>span,.product-profit{color:var(--muted);font-size:13px}.product-profit{margin:16px 0;padding:13px;background:#09151f;border-radius:12px}.product-profit b{display:block;color:white;font-size:15px}.product-button{width:100%;margin-top:2px}.seller-cta{margin-top:35px;margin-bottom:70px;display:flex;align-items:center;justify-content:space-between;background:linear-gradient(110deg,rgba(101,240,179,.1),rgba(95,200,255,.08));border:1px solid var(--line);border-radius:28px}.seller-cta p,footer{color:var(--muted)}footer{display:flex;justify-content:space-between;padding:34px 6vw;border-top:1px solid var(--line)}footer strong{color:white;letter-spacing:2px}.narrow{max-width:820px}.section>h1{font-size:44px;margin:12px 0}.stats{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:15px;gap:15px;margin:25px 0}.form,.panel,.stat{padding:22px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}.stat{display:flex;flex-direction:column}.stat span{color:var(--muted)}.stat strong{font-size:28px}.muted,.panel p{color:var(--muted)}.form{display:grid;grid-gap:17px;gap:17px}.form label{display:grid;grid-gap:7px;gap:7px;color:var(--muted)}.two-col{display:grid;grid-template-columns:1fr 1fr;grid-gap:15px;gap:15px}@media(max-width:900px){.topbar nav{display:none}.header-cta{font-size:13px}.hero{grid-template-columns:1fr;padding-top:55px}.hero h1{letter-spacing:-2px}.trust-row{flex-direction:column;gap:7px}.opportunity-card{transform:none}.metrics{grid-template-columns:1fr 1fr;margin:0 5vw}.metrics div{border:0;padding:10px}.product-grid{grid-template-columns:1fr}.section-title,.seller-cta,footer{align-items:flex-start;flex-direction:column;gap:20px}.filters{flex-direction:column}.filters input,.filters select{max-width:none;width:100%}.stats{grid-template-columns:1fr 1fr}.two-col{grid-template-columns:1fr}}.form select{width:100%;border:1px solid var(--line);background:var(--panel);color:white;border-radius:12px;padding:13px 15px;font:inherit}.seller-layout{display:grid;grid-template-columns:1fr 260px;grid-gap:20px;gap:20px;align-items:start;margin-top:28px}.calculator-card{position:-webkit-sticky;position:sticky;top:98px;padding:22px;background:linear-gradient(160deg,var(--panel2),var(--panel));border:1px solid var(--line);border-radius:var(--radius)}.calculator-card>span{font-size:11px;color:var(--accent);letter-spacing:1.4px}.calculator-card>div{display:flex;justify-content:space-between;padding:15px 0;border-bottom:1px solid var(--line)}.calculator-card>div:last-child{border:0}.calculator-card small{color:var(--muted)}.positive{color:var(--accent)!important}.negative{color:#ff7d8a!important}.success{margin:0;color:var(--accent)}.success a{text-decoration:underline}.dashboard-head{display:flex;align-items:center;justify-content:space-between;margin:35px 0 18px}.dashboard-head h2{margin:0}.product-table{overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}.product-table-row{display:grid;grid-template-columns:2fr 1.2fr .8fr .8fr .7fr .7fr;grid-gap:15px;gap:15px;align-items:center;padding:17px 20px;border-bottom:1px solid var(--line)}.product-table-row:last-child{border:0}.product-table-row>span:first-child{display:flex;flex-direction:column}.product-table-row small{color:var(--muted)}.product-table-row button{border:0;background:transparent;color:#ff8d98;cursor:pointer}.product-table-head{color:var(--muted);font-size:12px;font-weight:800;text-transform:uppercase}.empty-state{text-align:center;padding:55px}.empty-state .btn{margin-top:15px}@media(max-width:900px){.seller-layout{grid-template-columns:1fr}.calculator-card{position:static}.dashboard-head{align-items:flex-start;flex-direction:column;gap:15px}.product-table{overflow-x:auto}.product-table-row{min-width:760px}}.product-image img{width:100%;height:100%;object-fit:cover;display:block}.catalog-status{margin:8px 0 0;color:var(--muted);font-size:13px}.catalog-status.cj:before{content:"●";color:#22c55e;margin-right:7px}.catalog-status.loading:before{content:"●";color:#f59e0b;margin-right:7px}.sku{display:block;margin-top:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.empty-products{grid-column:1/-1;padding:36px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:18px}.ebay-intro{max-width:760px;margin-bottom:28px}.ebay-connection{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}.ebay-connection.connected{border-color:rgba(101,240,179,.45);background:linear-gradient(110deg,rgba(101,240,179,.1),rgba(13,27,39,.92))}.ebay-connection h2,.ebay-connection p{margin:4px 0 0}.ebay-connection p,.ebay-connection small{color:var(--muted)}.ebay-connection>strong{padding:9px 13px;color:#06120e;background:var(--accent);border-radius:999px;font-size:12px;letter-spacing:1.4px}.ebay-rules{margin:20px 0 42px}.ebay-rules>div{display:flex;align-items:flex-start;gap:13px;margin-top:14px}.ebay-rules>div span{display:grid;place-items:center;flex:0 0 28px;height:28px;border-radius:50%;color:#06120e;background:var(--accent2);font-weight:900}.ebay-rules p{margin:2px 0 0}.ebay-table{display:grid;grid-gap:14px;gap:14px}.ebay-table article{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(330px,.8fr) auto;align-items:center;grid-gap:22px;gap:22px;padding:20px;border:1px solid var(--line);border-radius:16px;background:rgba(13,27,39,.88)}.ebay-table h3{margin:5px 0 8px}.ebay-table small{color:var(--accent2)}.ebay-table code{color:var(--muted)}.ebay-table dl{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:18px;gap:18px;margin:0}.ebay-table dl div{display:grid;grid-gap:3px;gap:3px}.ebay-table dt{color:var(--muted);font-size:12px}.ebay-table dd{margin:0;font-weight:800}.risk-low{color:var(--accent)}.risk-medium{color:#fbbf24}@media(max-width:900px){.ebay-table article{grid-template-columns:1fr}.ebay-table dl{grid-template-columns:repeat(3,1fr)}.ebay-table .btn{width:100%}}