:root{
  --bg:#0d0d0f;
  --panel:#18181c;
  --panel2:#202027;
  --orange:#ff7a00;
  --orange-2:#ff9a3c;
  --orange-dim:#5a3410;
  --text:#ffffff;
  --muted:#b9b9c2;
  --green:#37d67a;
  --red:#ff4d4d;
  --line:#2c2c33;
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:"PingFang SC","Microsoft YaHei",system-ui,Segoe UI,sans-serif;
  background:var(--bg);
  color:var(--text);
  min-height:100vh;
}
a{color:var(--orange);text-decoration:none}

/* 顶部栏 */
.topbar{
  position:sticky;top:0;z-index:20;
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 20px;
  background:linear-gradient(90deg,#151515,#1d1305);
  border-bottom:2px solid var(--orange);
}
.brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800}
.brand .logo{
  width:34px;height:34px;border-radius:9px;
  background:linear-gradient(135deg,var(--orange),#ff5100);
  display:flex;align-items:center;justify-content:center;font-size:20px;
}
.brand small{color:var(--muted);font-weight:400;font-size:12px}
.topbar .links{display:flex;align-items:center;gap:16px;font-size:14px}
.topbar .links a.agentloop{
  background:linear-gradient(135deg,var(--orange),#ff5100);
  color:#fff;font-weight:700;padding:7px 14px;border-radius:20px;
  box-shadow:0 4px 16px rgba(255,122,0,.35);transition:transform .08s,filter .15s;
}
.topbar .links a.agentloop:hover{filter:brightness(1.08);transform:translateY(-1px)}
.topbar .links a.agentloop:active{transform:scale(.97)}
.wallet{
  display:flex;align-items:center;gap:8px;
  background:var(--panel2);border:1px solid var(--orange-dim);
  padding:6px 14px;border-radius:20px;font-weight:700;
}
.wallet .coin{color:var(--orange)}

.wrap{max-width:1100px;margin:0 auto;padding:20px}

/* 登录卡 */
.login-card{
  max-width:420px;margin:8vh auto;background:var(--panel);
  border:1px solid var(--line);border-radius:18px;padding:34px 30px;
  box-shadow:0 20px 60px rgba(0,0,0,.5);
}
.login-card h1{font-size:24px;margin-bottom:6px}
.login-card p{color:var(--muted);font-size:14px;margin-bottom:22px;line-height:1.6}
.login-card .gift{
  background:var(--orange-dim);color:var(--orange-2);
  border-radius:10px;padding:10px 14px;font-size:13px;margin-bottom:20px;
}
input,select{
  width:100%;padding:13px 15px;background:var(--panel2);
  border:1px solid var(--line);border-radius:11px;color:var(--text);
  font-size:15px;outline:none;
}
input:focus,select:focus{border-color:var(--orange)}
label{display:block;font-size:13px;color:var(--muted);margin:14px 0 7px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  background:linear-gradient(135deg,var(--orange),#ff5100);
  color:#fff;border:none;border-radius:11px;padding:13px 20px;
  font-size:15px;font-weight:700;cursor:pointer;width:100%;
  transition:transform .08s,filter .15s;
}
.btn:hover{filter:brightness(1.08)}
.btn:active{transform:scale(.98)}
.btn.ghost{background:var(--panel2);border:1px solid var(--orange-dim);color:var(--orange-2)}
.btn.sm{width:auto;padding:8px 14px;font-size:13px}

/* 商品栅格 */
.section-title{display:flex;align-items:center;gap:10px;margin:22px 0 12px;font-size:18px}
.section-title::before{content:"";width:5px;height:20px;background:var(--orange);border-radius:3px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:14px}
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:14px;
  padding:16px;display:flex;flex-direction:column;gap:8px;transition:border-color .15s;
}
.card:hover{border-color:var(--orange-dim)}
.card .emoji{font-size:40px;text-align:center;margin:6px 0}
.card .name{font-weight:700;font-size:15px}
.card .row{display:flex;align-items:center;justify-content:space-between}
.card .price{color:var(--orange);font-weight:800;font-size:17px}
.card .price::before{content:"☾ "}
.card .stock{font-size:12px;color:var(--muted)}
.card .stock.low{color:var(--red)}
.qty-ctrl{display:flex;align-items:center;gap:0;border:1px solid var(--line);border-radius:9px;overflow:hidden}
.qty-ctrl button{
  background:var(--panel2);color:var(--orange-2);border:none;width:34px;height:34px;
  font-size:18px;cursor:pointer;
}
.qty-ctrl button:hover{background:var(--orange-dim)}
.qty-ctrl span{min-width:34px;text-align:center;font-weight:700}
.card.out{opacity:.45;filter:grayscale(.6)}
.card[onclick]{cursor:pointer}
.card[onclick]:hover{border-color:var(--orange);transform:translateY(-2px);box-shadow:0 8px 26px rgba(0,0,0,.45)}
.card[onclick]:active{transform:scale(.98)}
.card .tap{font-size:13px;color:var(--orange-2);font-weight:700}
.card .incart{font-size:12px;color:var(--green);font-weight:700}

/* 点击商品确认弹窗 */
.modal-mask{
  position:fixed;inset:0;z-index:60;background:rgba(0,0,0,.66);
  display:flex;align-items:center;justify-content:center;padding:20px;
  backdrop-filter:blur(3px);
}
.modal{
  width:100%;max-width:360px;background:var(--panel);
  border:1px solid var(--orange-dim);border-top:4px solid var(--orange);
  border-radius:18px;padding:26px 24px;text-align:center;
  box-shadow:0 24px 70px rgba(0,0,0,.6);
  animation:pop .18s ease-out;
}
@keyframes pop{from{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}}
.modal .m-emoji{font-size:56px;line-height:1;margin-bottom:8px}
.modal .m-title{font-size:14px;color:var(--muted)}
.modal .m-name{font-size:22px;font-weight:800;margin:6px 0 4px}
.modal .m-price{font-size:15px;color:var(--muted)}
.modal .m-price b{color:var(--orange)}
.modal .m-qty{display:flex;align-items:center;justify-content:center;gap:14px;margin:18px 0 6px;font-weight:600}
.modal .m-qty .qty-ctrl button{width:40px;height:40px;font-size:22px}
.modal .m-qty .qty-ctrl span{min-width:40px;font-size:17px}
.modal .m-sub{font-size:16px;font-weight:800;color:var(--orange-2);margin-bottom:20px}
.modal .m-actions{display:flex;gap:12px}
.modal .m-actions .btn{flex:1}
.modal .r-detail{font-size:14px;color:var(--muted);line-height:1.8;margin:10px 0 20px}
.modal .r-detail b{color:var(--text)}
.modal .r-detail .coin{color:var(--orange)}
/* 机械臂抓取中动画 */
.arm-anim{display:inline-block;animation:grab 1s ease-in-out infinite}
@keyframes grab{
  0%,100%{transform:translateY(0) rotate(-8deg)}
  25%{transform:translateY(-10px) rotate(8deg)}
  50%{transform:translateY(2px) rotate(-4deg)}
  75%{transform:translateY(-6px) rotate(6deg)}
}
#mGrab{padding:14px 0}
#mGrab .m-title{margin-top:8px}

/* 购物篮浮层 */
.cart-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:30;
  background:linear-gradient(90deg,#1d1305,#151515);
  border-top:2px solid var(--orange);
  padding:14px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.cart-bar .info{font-size:14px;color:var(--muted)}
.cart-bar .info b{color:var(--orange);font-size:20px}
.cart-bar .actions{display:flex;gap:10px;align-items:center}

/* 统计卡片 */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}
.stat{
  background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px;
  border-left:4px solid var(--orange);
}
.stat .k{color:var(--muted);font-size:13px;margin-bottom:8px}
.stat .v{font-size:34px;font-weight:800;color:var(--orange-2)}
.stat .v.white{color:#fff}
.stat .sub{font-size:12px;color:var(--muted);margin-top:6px}

/* 表格 */
table{width:100%;border-collapse:collapse;margin-top:12px;font-size:14px}
th,td{padding:11px 12px;text-align:left;border-bottom:1px solid var(--line)}
th{color:var(--muted);font-weight:600;font-size:13px}
tr:hover td{background:var(--panel2)}
.tag{padding:3px 9px;border-radius:20px;font-size:12px;font-weight:700}
.tag.success{background:rgba(55,214,122,.15);color:var(--green)}
.tag.partial{background:rgba(255,154,60,.15);color:var(--orange-2)}
.tag.failed{background:rgba(255,77,77,.15);color:var(--red)}

/* 弹窗提示 */
.toast{
  position:fixed;top:80px;left:50%;transform:translateX(-50%) translateY(-20px);
  background:var(--panel2);border:1px solid var(--orange);border-radius:12px;
  padding:14px 22px;font-weight:600;z-index:100;opacity:0;pointer-events:none;
  transition:.25s;max-width:90vw;box-shadow:0 10px 40px rgba(0,0,0,.5);
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.err{border-color:var(--red)}
.toast.ok{border-color:var(--green)}
.hidden{display:none!important}
.muted{color:var(--muted)}
.center{text-align:center}
.mt{margin-top:18px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:560px){.two-col{grid-template-columns:1fr}}