:root{--blue:#0753b8;--deep:#031c4d;--gold:#eab126;--line:#e2e8f2;--muted:#68758b}
*{box-sizing:border-box}body{margin:0;font-family:Arial,sans-serif;color:#17213a;background:#fff}a{text-decoration:none;color:inherit}
.topbar{background:var(--deep);color:#fff;text-align:center;padding:9px;font-size:13px}
header{position:sticky;top:0;z-index:10;background:#fff;border-bottom:1px solid var(--line)}
.nav{max-width:1200px;margin:auto;padding:10px 18px;display:flex;align-items:center;gap:22px}.brand{width:210px}.brand img{width:100%;display:block}
nav{display:flex;gap:20px;margin-left:auto;font-weight:800;font-size:14px}.cart{background:var(--blue);color:#fff;border:0;border-radius:999px;padding:11px 16px;font-weight:900}
.wrap{max-width:1200px;margin:auto;padding:40px 18px}.head{display:flex;justify-content:space-between;align-items:end;margin-bottom:25px}.head h1{font-size:42px;color:var(--deep);margin:0}.muted{color:var(--muted);line-height:1.6}
.tools{display:flex;gap:12px;margin-bottom:25px;flex-wrap:wrap}.search,.select{padding:14px 18px;border:1px solid #cfd8e8;border-radius:999px;font-size:15px;background:#fff}.search{flex:1;min-width:230px}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card{border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 8px 25px #1432640d}.pic{height:200px;background:#f1f5fc;display:flex;align-items:center;justify-content:center;font-size:65px}.body{padding:16px}.cat{font-size:11px;color:var(--blue);font-weight:900;text-transform:uppercase}.name{font-weight:900;font-size:17px;margin:7px 0}.price{font-size:19px;color:var(--blue);font-weight:900}.add{width:100%;margin-top:12px;padding:12px;border:0;border-radius:10px;background:var(--deep);color:#fff;font-weight:900}
.panel{position:fixed;right:0;top:0;width:min(430px,100%);height:100vh;background:#fff;z-index:30;box-shadow:-15px 0 40px #0003;transform:translateX(105%);transition:.25s;display:flex;flex-direction:column}.panel.open{transform:translateX(0)}.phead{padding:20px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between}.items{padding:20px;overflow:auto;flex:1}.row{padding:14px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:15px}.qty button{width:28px;height:28px}.foot{padding:20px;border-top:1px solid var(--line)}.total{display:flex;justify-content:space-between;font-weight:900;font-size:20px;margin-bottom:14px}.checkout{display:block;text-align:center;background:var(--gold);padding:14px;border-radius:10px;font-weight:900}
footer{background:var(--deep);color:#fff;padding:40px 18px;margin-top:50px}.footer{max-width:1200px;margin:auto}
@media(max-width:850px){.grid{grid-template-columns:repeat(2,1fr)}nav{gap:12px}.brand{width:180px}}
@media(max-width:560px){.nav{flex-wrap:wrap}.brand{width:190px}nav{order:3;width:100%;overflow:auto}.grid{grid-template-columns:1fr}.head{display:block}.head h1{font-size:34px}}