:root{
  --ink:#12332B; --teal:#0E6B57; --teal-dk:#0B5245; --amber:#E0A03C; --amber-dk:#C4832A;
  --mint:#EFF6F3; --mint-bd:#DCE7E2; --text:#1E2B27; --muted:#6A7B75; --line:#E3ECE8;
  --bg:#F7FAF8; --white:#fff; --danger:#C0563F;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:var(--teal)}
h1,h2,h3{margin:0}
.wrap{max-width:1000px;margin:0 auto;padding:16px}
.btn{display:inline-flex;align-items:center;gap:6px;border:0;border-radius:10px;padding:10px 16px;font-size:14px;font-weight:700;cursor:pointer;background:var(--teal);color:#fff}
.btn:hover{background:var(--teal-dk)}
.btn.amber{background:var(--amber);color:var(--ink)}.btn.amber:hover{background:var(--amber-dk)}
.btn.ghost{background:#fff;color:var(--teal);border:1.5px solid var(--teal)}
.btn.sm{padding:6px 10px;font-size:12.5px;border-radius:8px}
.btn.danger{background:#fff;color:var(--danger);border:1.5px solid var(--danger)}
.muted{color:var(--muted)}
.pill{display:inline-block;padding:5px 12px;border-radius:999px;font-size:13px;font-weight:600;border:1.5px solid var(--mint-bd);background:#fff;color:var(--muted);cursor:pointer;user-select:none}
.pill.on{background:var(--amber);border-color:var(--amber);color:var(--ink)}
input,select,textarea{font:inherit;padding:9px 10px;border:1.5px solid var(--line);border-radius:9px;background:#fff;color:var(--text);width:100%}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--teal)}
label{font-size:12.5px;font-weight:700;color:var(--muted);display:block;margin-bottom:4px}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 2px 10px rgba(18,51,43,.05)}

/* ---------- catalog ---------- */
.topbar{background:var(--teal);color:#fff;position:sticky;top:0;z-index:20}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:10px}
.shopname{font-size:19px;font-weight:800;letter-spacing:.3px}
.filters{position:sticky;top:56px;background:var(--bg);z-index:10;padding:10px 0}
.filters .row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.grid{display:grid;grid-template-columns:1fr;gap:12px;margin-top:8px;padding-bottom:96px}
@media(min-width:640px){.grid{grid-template-columns:1fr 1fr}}
@media(min-width:900px){.grid{grid-template-columns:1fr 1fr 1fr}}
.prod{padding:12px;display:flex;flex-direction:column;gap:8px}
.prod .head{display:flex;gap:12px}
.thumb{width:84px;height:84px;border-radius:10px;background:var(--mint);flex:0 0 auto;display:flex;align-items:center;justify-content:center;color:#9FB3AC;font-size:12px;overflow:hidden}
.thumb img{width:100%;height:100%;object-fit:cover}
.code{font-weight:800;font-size:15px}
.vlist{display:flex;flex-direction:column;gap:6px;margin-top:2px}
.vrow{display:flex;align-items:center;gap:8px;flex-wrap:wrap;border-top:1px dashed var(--line);padding-top:7px}
.vmeta{flex:1;min-width:120px;font-size:13px}
.price{color:var(--teal);font-weight:800}
.stepper{display:flex;align-items:center;border:1.5px solid var(--mint-bd);border-radius:9px;overflow:hidden}
.stepper button{border:0;background:var(--mint);color:var(--teal);font-weight:800;width:30px;height:32px;cursor:pointer;font-size:16px}
.stepper input{width:52px;text-align:center;border:0;border-radius:0;padding:6px 0}
.cartbar{position:fixed;bottom:0;left:0;right:0;background:var(--teal-dk);color:#fff;z-index:30;box-shadow:0 -4px 16px rgba(18,51,43,.2)}
.cartbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 16px}
.badge{background:var(--amber);color:var(--ink);border-radius:999px;padding:1px 9px;font-weight:800;font-size:12px;margin-left:6px}
.drawer{position:fixed;inset:0;background:rgba(18,51,43,.45);z-index:40;display:none}
.drawer.open{display:block}
.sheet{position:absolute;bottom:0;left:0;right:0;max-height:82vh;overflow:auto;background:#fff;border-radius:18px 18px 0 0;padding:16px}
.line{display:flex;align-items:center;gap:8px;border-bottom:1px solid var(--line);padding:9px 0;font-size:14px}
.line .x{margin-left:auto;color:var(--danger);cursor:pointer;font-weight:800}
.center{text-align:center}
.notice{max-width:460px;margin:12vh auto;padding:28px;text-align:center}

/* ---------- admin ---------- */
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin:12px 0}
.tab{padding:9px 14px;border-radius:10px;font-weight:700;font-size:14px;cursor:pointer;background:#fff;border:1px solid var(--line);color:var(--muted)}
.tab.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.panel{display:none}.panel.on{display:block}
table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden}
th,td{text-align:left;padding:10px;border-bottom:1px solid var(--line);font-size:13.5px;vertical-align:middle}
th{background:var(--mint);color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.4px}
td input{padding:6px 8px}
.qtybox{width:78px}.pricebox{width:88px}
.grid2{display:grid;grid-template-columns:1fr;gap:14px}
@media(min-width:760px){.grid2{grid-template-columns:1fr 1fr}}
.field{margin-bottom:10px}
.row-actions{display:flex;gap:6px;flex-wrap:wrap}
.toast{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 18px;border-radius:10px;font-weight:700;font-size:14px;z-index:100;opacity:0;transition:opacity .2s;pointer-events:none}
.toast.show{opacity:1}
.chiplink{font-size:12px;background:var(--mint);border-radius:8px;padding:6px 8px;word-break:break-all}
.tag{display:inline-block;background:var(--mint);border-radius:6px;padding:2px 8px;font-size:12px;font-weight:700;color:var(--teal)}
.expired{color:var(--danger);font-weight:700}
.live{color:var(--teal);font-weight:700}
.hd{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin:10px 0}
.artcard{padding:12px;margin-bottom:12px}
.thumbs{display:flex;gap:6px;flex-wrap:wrap}
.thumbs .t{width:56px;height:56px;border-radius:8px;overflow:hidden;position:relative;background:var(--mint)}
.thumbs .t img{width:100%;height:100%;object-fit:cover}
.thumbs .t .rm{position:absolute;top:1px;right:1px;background:rgba(192,86,63,.92);color:#fff;border-radius:6px;font-size:11px;padding:0 5px;cursor:pointer}