:root{
  --green:#07c160; --green-d:#06a04e; --green-deep:#0a5c33;
  --green-l:rgba(7,193,96,.10); --green-glow:rgba(7,193,96,.35);
  --gold:#c19a3e; --gold-light:#e8c86d; --gold-soft:rgba(193,154,62,.12);
  --ink:#1b1f23; --sub:#5a6470; --line:rgba(20,30,24,.08); --bg:#f4f6f8;
  --ok:#07c160; --warn:#c19a3e; --danger:#e54d42;
  --radius:22px; --shadow:0 10px 30px rgba(16,42,26,.07);
  --shadow-hover:0 20px 44px rgba(7,193,96,.14);
}
html[data-theme="dark"]{
  --bg:#0b100d; --ink:#eef3ef; --sub:#a9b8ab; --line:rgba(200,220,205,.10);
  --green-l:rgba(7,193,96,.14); --gold-soft:rgba(193,154,62,.16);
  --shadow:0 10px 30px rgba(0,0,0,.35); --shadow-hover:0 20px 44px rgba(7,193,96,.20);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","PingFang SC","Microsoft YaHei",Segoe UI,Roboto,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;transition:background .35s ease,color .35s ease}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{max-width:1180px;margin:0 auto;padding:0 18px}
.muted{color:var(--sub)}
button{font-family:inherit;cursor:pointer}

/* ---------- topbar ---------- */
.topbar{position:sticky;top:0;z-index:50;backdrop-filter:saturate(180%) blur(18px);-webkit-backdrop-filter:saturate(180%) blur(18px);
  background:rgba(255,255,255,.72);border-bottom:1px solid var(--line)}
html[data-theme="dark"] .topbar{background:rgba(15,22,17,.72)}
.topbar-inner{display:flex;align-items:center;gap:18px;height:62px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px}
.brand-mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;color:#fff;font-weight:800;font-size:17px;
  background:linear-gradient(135deg,var(--green),var(--green-d));box-shadow:0 4px 12px var(--green-glow)}
.brand-text{font-size:18px}
.brand-text em{font-style:normal;font-size:11px;color:var(--sub);letter-spacing:.5px}
.search{flex:1;display:flex;max-width:520px}
.search input{flex:1;border:1px solid var(--line);border-right:0;border-radius:999px 0 0 999px;padding:10px 16px 10px 20px;outline:none;font-size:14px;background:var(--bg);color:var(--ink)}
.search input:focus{border-color:rgba(7,193,96,.5);box-shadow:0 0 0 4px var(--green-l)}
.search button{border:0;background:linear-gradient(135deg,var(--green),var(--green-d));color:#fff;padding:0 22px;border-radius:0 999px 999px 0;font-size:14px}
.search button:hover{filter:brightness(1.05)}
.topnav{display:flex;align-items:center;gap:16px;font-size:14px;position:relative}
.topnav a{color:var(--sub)}
.topnav a:hover{color:var(--green)}
.theme-btn{width:34px;height:34px;border-radius:10px;border:1px solid var(--line);background:var(--bg);color:var(--ink);cursor:pointer;display:grid;place-items:center;transition:transform .15s ease}
.theme-btn:hover{transform:scale(1.06)}
.theme-btn svg{width:17px;height:17px}
#cartLink{position:relative}
.badge{position:absolute;top:-8px;right:-12px;background:var(--danger);color:#fff;border-radius:10px;font-size:11px;padding:1px 6px}
.user-menu{position:relative}
.user-menu>span{color:var(--green-deep);font-weight:600;cursor:pointer}
.user-drop{display:none;position:absolute;right:0;top:34px;background:#fff;border:1px solid var(--line);
  border-radius:12px;box-shadow:var(--shadow);min-width:150px;padding:8px;flex-direction:column}
html[data-theme="dark"] .user-drop{background:var(--bg)}
.user-menu:hover .user-drop{display:flex}
.user-drop a{padding:9px 12px;border-radius:8px;color:var(--ink)}
.user-drop a:hover{background:var(--green-l)}

main.wrap{padding-top:22px;padding-bottom:40px;min-height:60vh}
.footer{border-top:1px solid var(--line);background:rgba(255,255,255,.5);padding:26px 0;font-size:13px;text-align:center;color:var(--sub)}
html[data-theme="dark"] .footer{background:rgba(15,22,17,.4)}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;border-radius:24px;padding:42px 34px;margin-bottom:22px;
  background:radial-gradient(circle at 12% 0%,rgba(7,193,96,.14),transparent 55%),radial-gradient(circle at 92% 10%,rgba(193,154,62,.14),transparent 55%)}
.hero::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:linear-gradient(90deg,var(--green),var(--gold-light))}
.hero h1{margin:0 0 10px;font-size:30px;
  background:linear-gradient(120deg,var(--green) 20%,var(--green-d) 50%,var(--gold) 95%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero p{margin:0 0 18px;color:var(--sub)}
.hero .cta{display:inline-block;background:linear-gradient(135deg,var(--green),var(--green-d));color:#fff;font-weight:700;padding:11px 22px;border-radius:999px;box-shadow:0 8px 18px var(--green-glow)}
.hero .pills{margin-top:18px;display:flex;gap:10px;flex-wrap:wrap}
.hero .pills span{background:var(--green-l);border:1px solid rgba(7,193,96,.2);color:var(--green-deep);padding:6px 12px;border-radius:999px;font-size:13px}

/* ---------- category bar ---------- */
.cats{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px}
.cats a{background:var(--bg);border:1px solid var(--line);padding:9px 16px;border-radius:999px;font-size:14px;color:var(--sub)}
.cats a.active,.cats a:hover{border-color:rgba(7,193,96,.5);color:var(--green-deep);background:var(--green-l)}

/* ---------- section ---------- */
.section-title{display:flex;align-items:center;justify-content:space-between;margin:26px 0 14px}
.section-title h2{font-size:20px;margin:0}
.section-title a{color:var(--green);font-size:13px}

/* ---------- product grid ---------- */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.22s cubic-bezier(.2,.8,.3,1);display:flex;flex-direction:column}
.card::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:linear-gradient(90deg,var(--green),var(--gold-light));opacity:0;transition:opacity .3s ease}
.card{position:relative}
.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-5px);border-color:rgba(7,193,96,.28)}
.card:hover::before{opacity:1}
.card .thumb{aspect-ratio:1/1;background:var(--green-l);display:flex;align-items:center;justify-content:center;color:var(--sub);font-size:13px}
.card .thumb img{width:100%;height:100%;object-fit:cover}
.card .body{padding:12px 14px 14px;display:flex;flex-direction:column;gap:6px;flex:1}
.card .name{font-size:14px;font-weight:600;line-height:1.4;height:38px;overflow:hidden}
.card .price{color:var(--danger);font-weight:800;font-size:17px}
.card .price small{color:var(--sub);font-weight:400;font-size:12px;margin-left:4px}
.card .meta{font-size:12px;color:var(--sub);display:flex;justify-content:space-between}

/* ---------- detail ---------- */
.detail{display:grid;grid-template-columns:1fr 1fr;gap:30px;background:var(--bg);border:1px solid var(--line);border-radius:18px;padding:24px}
.gallery .main{aspect-ratio:1/1;background:var(--green-l);border-radius:12px;overflow:hidden;display:flex;align-items:center;justify-content:center;color:var(--sub)}
.gallery .main img{width:100%;height:100%;object-fit:cover}
.thumbs{display:flex;gap:8px;margin-top:10px}
.thumbs img{width:60px;height:60px;object-fit:cover;border-radius:8px;border:2px solid transparent;cursor:pointer}
.thumbs img.on{border-color:var(--green)}
.buybox h1{margin:0 0 8px;font-size:24px}
.buybox .price{color:var(--danger);font-size:28px;font-weight:800;margin:10px 0}
.buybox .desc{color:var(--sub);font-size:14px;margin:10px 0 18px;white-space:pre-wrap}
.qty{display:flex;align-items:center;gap:10px;margin:14px 0}
.qty button{width:34px;height:34px;border:1px solid var(--line);background:var(--bg);border-radius:8px;font-size:18px;color:var(--ink)}
.qty input{width:56px;text-align:center;border:1px solid var(--line);border-radius:8px;height:34px;background:var(--bg);color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:13px 22px;font-size:15px;font-weight:700}
.btn-primary{background:linear-gradient(135deg,var(--green),var(--green-d));color:#fff;box-shadow:0 8px 18px var(--green-glow)}
.btn-primary:hover{filter:brightness(1.05)}
.btn-ghost{background:var(--bg);color:var(--green-deep);border:1px solid rgba(7,193,96,.4)}
.btn-line{background:var(--bg);color:var(--ink);border:1px solid var(--line)}
.btn-block{width:100%}
.btn-row{display:flex;gap:12px;margin-top:14px;flex-wrap:wrap}

/* ---------- generic ---------- */
.empty{text-align:center;color:var(--sub);padding:60px 0}
.empty .big{font-size:46px;margin-bottom:8px}
.panel{background:var(--bg);border:1px solid var(--line);border-radius:16px;padding:20px}
.row{display:flex;gap:14px;align-items:center}
.between{justify-content:space-between}
.pagination{display:flex;gap:8px;justify-content:center;margin:24px 0}
.pagination button{border:1px solid var(--line);background:var(--bg);border-radius:8px;padding:8px 14px;color:var(--ink)}
.pagination button[disabled]{opacity:.45;cursor:default}
.tag{display:inline-block;background:var(--green-l);color:var(--green-deep);border-radius:6px;padding:2px 8px;font-size:12px}
.tag.ok{background:var(--green-l);color:var(--green-deep)}
.tag.warn{background:var(--gold-soft);color:#8a6a1f}

/* ---------- cart / list rows ---------- */
.lrow{display:flex;gap:14px;background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:14px;margin-bottom:12px;align-items:center}
.lrow .pic{width:84px;height:84px;border-radius:10px;background:var(--green-l);object-fit:cover;flex:none}
.lrow .info{flex:1;min-width:0}
.lrow .info .t{font-weight:600}
.lrow .info .s{color:var(--sub);font-size:13px}
.lrow .price{color:var(--danger);font-weight:800}
.stepper{display:flex;align-items:center;gap:8px}
.stepper button{width:28px;height:28px;border:1px solid var(--line);background:var(--bg);border-radius:6px;color:var(--ink)}
.summary{position:sticky;bottom:0;background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:16px;display:flex;justify-content:space-between;align-items:center;box-shadow:var(--shadow)}

/* ---------- auth ---------- */
.auth{max-width:380px;margin:30px auto;background:var(--bg);border:1px solid var(--line);border-radius:18px;padding:28px}
.auth h2{margin:0 0 6px}
.field{margin:14px 0}
.field label{display:block;font-size:13px;color:var(--sub);margin-bottom:6px}
.field input{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 13px;font-size:14px;outline:none;background:var(--bg);color:var(--ink)}
.field input:focus{border-color:rgba(7,193,96,.5);box-shadow:0 0 0 4px var(--green-l)}
.tabs{display:flex;gap:8px;margin-bottom:6px}
.tabs button{flex:1;border:1px solid var(--line);background:var(--bg);border-radius:10px;padding:9px;color:var(--sub)}
.tabs button.on{border-color:var(--green);color:var(--green-deep);background:var(--green-l)}
.notice{background:var(--gold-soft);border:1px solid rgba(193,154,62,.3);color:#8a6a1f;border-radius:10px;padding:10px 12px;font-size:13px;margin-bottom:12px}

/* ---------- toast ---------- */
.toast{position:fixed;left:50%;bottom:40px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:#fff;
  padding:11px 18px;border-radius:10px;font-size:14px;opacity:0;pointer-events:none;transition:.25s;z-index:99}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

@media(max-width:900px){.grid{grid-template-columns:repeat(2,1fr)}.detail{grid-template-columns:1fr}.topbar-inner{flex-wrap:wrap;height:auto;padding:10px 0}.search{order:3;max-width:none;flex-basis:100%}}