:root{
  --bg:#ffffff;
  --fg:#111111;
  --muted:#444444;
  --card:#f8f8f8;
  --line:#dddddd;
  --accent:#22c55e;
  --accent2:#0ea5e9;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial;background:var(--bg);color:var(--fg)}
.topbar{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;
  padding:12px 16px;background:#06101e;color:white;}
.brand strong{display:block;font-size:18px}
.brand small{font-size:12px;color:#ddd}
.btn{border:none;padding:10px 14px;border-radius:12px;cursor:pointer;font-weight:600}
.btn.primary{background:var(--accent);color:#04140f}
.btn.secondary{background:var(--accent2);color:#03111b}
.btn.pill{border-radius:999px}
.btn.full{display:block;width:100%;text-align:center}
.layout{display:grid;grid-template-columns:220px 1fr;gap:16px;padding:16px;max-width:1200px;margin:auto}
.categories{position:sticky;top:80px;align-self:start}
.categories a{display:block;padding:10px 12px;margin-bottom:8px;border-radius:8px;background:var(--card);
  border:1px solid var(--line);color:var(--fg);text-decoration:none}
.categories a.active{outline:2px solid var(--accent2)}
.menu{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;
  box-shadow:0 2px 4px rgba(0,0,0,.05)}
.card img{display:block;width:100%;height:180px;object-fit:cover}
.card h3{margin:12px;font-size:18px}
.card p{margin:0 12px 12px;color:var(--muted)}
.price{font-weight:700;margin:0 12px 12px}
.drawer{position:fixed;right:-420px;top:0;height:100%;width:380px;max-width:95%;background:#fff;
  border-left:1px solid var(--line);transition:right .25s ease;z-index:50;display:flex;flex-direction:column}
.drawer.open{right:0}
#backdrop{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:40}
#backdrop.show{display:block}
.drawer-top{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--line)}
#cartList{list-style:none;margin:0;padding:12px;flex:1;overflow:auto;display:flex;flex-direction:column;gap:8px}
#cartList li{background:var(--card);padding:8px;border-radius:8px;display:flex;justify-content:space-between}
.drawer-foot{padding:12px;border-top:1px solid var(--line)}
.total{display:flex;justify-content:space-between;margin-bottom:12px;font-size:18px}