:root{--primary:#00a79d;--primary-dark:#007f78;--accent:#f90;--green:#16a34a;--red:#dc2626;--ink:#111827;--muted:#6b7280;--line:#e5e7eb;--surface:#fff;--page:#f7f8fa;--soft:#f3f4f6}*{box-sizing:border-box}html,body{background:var(--page);min-height:100%;color:var(--ink);margin:0;font-family:Arial,Helvetica,sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}.shell{min-height:100vh}.topbar{z-index:10;border-bottom:1px solid var(--line);background:#fffffff5;position:sticky;top:0}.topbar-inner{align-items:center;gap:24px;max-width:1180px;margin:0 auto;padding:14px 20px;display:flex}.brand{align-items:center;gap:10px;min-width:max-content;font-size:21px;font-weight:800;display:flex}.brand-mark{background:var(--primary);color:#fff;border-radius:8px;place-items:center;width:34px;height:34px;font-weight:900;display:grid}.search-form{flex:1;gap:8px;display:flex}.search-input{border:1px solid var(--line);background:var(--surface);width:100%;min-width:0;height:42px;color:var(--ink);border-radius:8px;padding:0 14px}.button{background:var(--primary);color:#fff;cursor:pointer;border:0;border-radius:8px;justify-content:center;align-items:center;min-height:42px;padding:0 16px;font-weight:700;display:inline-flex}.button:hover{background:var(--primary-dark)}.button.secondary{border:1px solid var(--line);background:var(--surface);color:var(--ink)}.main{max-width:1180px;margin:0 auto;padding:24px 20px 56px}.grid{grid-template-columns:minmax(0,1.4fr) 360px;align-items:start;gap:20px;display:grid}.section,.card{border:1px solid var(--line);background:var(--surface);border-radius:8px}.section{padding:20px}.hero{grid-template-columns:300px minmax(0,1fr);gap:24px;display:grid}.product-image{border:1px solid var(--line);background:var(--soft);border-radius:8px;place-items:center;min-height:300px;display:grid;overflow:hidden}.product-image img{object-fit:contain;max-width:100%;max-height:300px}.eyebrow{color:var(--muted);text-transform:uppercase;font-size:13px;font-weight:700}.title{letter-spacing:0;margin:8px 0 14px;font-size:30px;line-height:1.16}.price-row{flex-wrap:wrap;align-items:baseline;gap:12px;margin:16px 0;display:flex}.price{font-size:34px;font-weight:800}.muted{color:var(--muted)}.good{color:var(--green);font-weight:800}.bad{color:var(--red);font-weight:800}.pill{min-height:28px;color:var(--primary-dark);background:#e6fffb;border-radius:999px;align-items:center;padding:0 10px;font-size:13px;font-weight:800;display:inline-flex}.stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.stat{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:14px}.stat-label{color:var(--muted);font-size:13px}.stat-value{margin-top:6px;font-size:20px;font-weight:800}.section-title{margin:0 0 14px;font-size:18px}.offer-list{gap:10px;display:grid}.offer{border:1px solid var(--line);border-radius:8px;grid-template-columns:1fr auto auto;align-items:center;gap:12px;padding:14px;display:grid}.offer-store{font-weight:800}.offer-meta{color:var(--muted);margin-top:4px;font-size:13px}.chart{width:100%;min-height:220px}.empty{text-align:center;place-items:center;min-height:360px;display:grid}.empty h1{margin:0 0 10px;font-size:30px}.empty p{max-width:580px;color:var(--muted);margin:0 auto 18px;line-height:1.6}@media (max-width:900px){.topbar-inner,.search-form,.hero,.grid{grid-template-columns:1fr}.topbar-inner,.hero{display:grid}.stats,.offer{grid-template-columns:1fr}}