:root{--bg:#f8f8f4;--card:#fff;--line:#d9dccf;--text:#1e2a1f;--muted:#5d6b60;--accent:#2f6f45;--accent-2:#1e4f31;--danger:#b42318;--radius:14px}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--text);margin:0;padding:0;font-family:IBM Plex Sans,Helvetica Neue,Arial,sans-serif}a{color:inherit;text-decoration:none}main{max-width:1080px;margin:0 auto;padding:24px 16px 80px}.shell{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 16px 40px #1a241c14}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px}.grid{gap:16px;display:grid}.grid-2{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.label{text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-size:12px}h1,h2,h3,p{margin:0}.page-stack{gap:18px;display:grid}.actions{flex-wrap:wrap;gap:10px;display:flex}.checkout-layout{grid-template-columns:minmax(0,1fr) minmax(280px,360px);align-items:start;gap:20px;display:grid}.checkout-main{gap:20px;display:grid}.checkout-summary{position:sticky;top:16px}.checkout-totals .line-item{border:0;border-bottom:1px solid var(--line);border-radius:0;padding-inline:0}.checkout-totals .line-item:last-child{border-bottom:0}@media (max-width:900px){.checkout-layout{grid-template-columns:1fr}.checkout-summary{position:static}}@media (max-width:700px){main{padding:16px 12px 72px}}.btn{cursor:pointer;border:1px solid #0000;border-radius:11px;padding:10px 14px;font-size:14px;font-weight:600;transition:transform .12s,opacity .12s}.btn:hover{transform:translateY(-1px)}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-primary{background:var(--accent);color:#fff}.btn-ghost{border-color:var(--line);color:var(--text);background:0 0}.btn-danger{background:var(--danger);color:#fff}.input{border:1px solid var(--line);width:100%;height:40px;color:var(--text);background:#fff;border-radius:10px;padding:0 10px}.input:focus{outline-offset:1px;outline:2px solid #2f6f4540}.topbar{justify-content:space-between;align-items:center;margin-bottom:18px;padding:14px 18px;display:flex}.brand{font-weight:700}.product-card{overflow:hidden}.product-image{object-fit:cover;border-radius:10px;width:100%;height:160px}.line-item{border:1px solid var(--line);border-radius:10px;justify-content:space-between;align-items:center;padding:10px;display:flex}