:root{
  --bg:#ffffff; --fg:#111111; --muted:#64748b;
  --card:#f8fafc; --line:#e2e8f0;
  --accent:#16a34a; --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)}
.container{max-width:1100px;margin:auto;padding:16px}
.container.narrow{max-width:760px}
.topbar{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 16px;background:#0b1220;color:#fff}
.brand strong{display:block}
.brand small{color:#cbd5e1}
.actions{display:flex;align-items:center;gap:8px}
#search{padding:10px 12px;border:1px solid var(--line);border-radius:12px;min-width:220px}
.btn{border:none;padding:10px 14px;border-radius:12px;cursor:pointer;font-weight:600;background:#e2e8f0}
.btn.primary{background:var(--accent);color:#052e18}
.btn.secondary{background:var(--accent2);color:#03111b}
.btn.outline{background:transparent;border:1px solid var(--line);color:#fff}
.btn.pill{border-radius:999px}
.btn.full{display:block;width:100%;text-align:center}
.muted{color:var(--muted)}
/* chips */
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 16px}
.chips button{border:1px solid var(--line);background:var(--card);padding:8px 12px;border-radius:999px;cursor:pointer}
.chips button.active{outline:2px solid var(--accent2)}
/* grid */
.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;display:flex;flex-direction:column}
.card img{display:block;width:100%;height:170px;object-fit:cover}
.card h3{margin:12px 12px 0}
.card p{margin:0 12px 8px;color:var(--muted)}
.controls{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:12px}
.qty{display:flex;align-items:center;gap:8px}
.icon{background:#eef2f7;border:1px solid var(--line);border-radius:8px;width:34px;height:34px;font-size:18px;cursor:pointer}
.price{font-weight:700}
/* drawer */
.drawer{position:fixed;right:-430px;top:0;height:100%;width:380px;max-width:95vw;background:#fff;border-left:1px solid var(--line);transition:right .25s ease;z-index:30;display:flex;flex-direction:column}
.drawer.open{right:0}
.drawer-head{display:flex;justify-content:space-between;align-items:center;padding:12px;border-bottom:1px solid var(--line)}
.cart{list-style:none;margin:0;padding:12px;display:flex;flex-direction:column;gap:8px;max-height:55vh;overflow:auto}
.cart li{display:flex;justify-content:space-between;gap:8px;background:var(--card);border:1px solid var(--line);padding:10px;border-radius:12px}
.drawer-foot{margin-top:auto;padding:12px;border-top:1px solid var(--line)}
#orderNote{width:100%;min-height:70px;border:1px solid var(--line);border-radius:10px;padding:8px;margin-bottom:10px}
.row{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.row.gap{gap:8px}
/* toast */
.toast{position:fixed;bottom:14px;left:50%;transform:translateX(-50%);background:#0ea5e9;color:#001018;padding:10px 14px;border-radius:12px;box-shadow:0 6px 16px rgba(0,0,0,.2);opacity:0;pointer-events:none;transition:opacity .2s}
.toast.show{opacity:1}
/* split */
.split-item{display:flex;justify-content:space-between;align-items:center;padding:10px;border:1px solid var(--line);border-radius:12px;margin-bottom:8px;background:#fff}