/* =========================================================
   发卡网 前台科技感主题 (深色 + 霓虹 + 玻璃拟态)
   后台样式保留在文件后半段
   ========================================================= */

/* ---------- 前台 基础 ---------- */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#0a0e1a;
  --bg2:#0d1322;
  --card:#111a2e;
  --card2:#141d33;
  --line:rgba(64,158,255,.16);
  --line2:rgba(0,255,209,.18);
  --accent:#22d3ee;          /* 主青 */
  --accent2:#38bdf8;         /* 天蓝 */
  --neon:#00ffd1;            /* 霓虹绿 */
  --violet:#7c5cff;          /* 紫 */
  --pink:#ff4d8d;            /* 粉 */
  --gold:#ffc83d;            /* 金 */
  --txt:#e6f1ff;
  --txt2:#9fb4d8;
  --txt3:#6b82a8;
  --danger:#ff5f6d;
}
body{
  background:var(--bg);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;
  color:var(--txt);
  -webkit-tap-highlight-color:transparent;
  min-height:100vh;
  overflow-x:hidden;
}
/* 背景光效 */
body::before{
  content:'';position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(1100px 500px at 85% -10%, rgba(124,92,255,.28), transparent 60%),
    radial-gradient(900px 500px at -10% 10%, rgba(34,211,238,.22), transparent 55%),
    radial-gradient(800px 600px at 50% 120%, rgba(0,255,209,.14), transparent 60%),
    linear-gradient(180deg,#0a0e1a,#0c1220);
}
/* 网格底纹 */
body::after{
  content:'';position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.5;
  background-image:
    linear-gradient(rgba(64,158,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(64,158,255,.05) 1px, transparent 1px);
  background-size:42px 42px;
  -webkit-mask-image:radial-gradient(circle at 50% 0%, #000 30%, transparent 90%);
  mask-image:radial-gradient(circle at 50% 0%, #000 30%, transparent 90%);
}
a{text-decoration:none;color:inherit}
img{max-width:100%}
.page{max-width:540px;margin:0 auto;padding-bottom:50px;min-height:100vh}

/* 通用玻璃卡片 */
.panel{
  background:linear-gradient(160deg, rgba(20,29,51,.85), rgba(13,18,34,.9));
  border:1px solid var(--line);
  border-radius:18px;
  margin:14px 16px;
  box-shadow:0 10px 34px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.04);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  overflow:hidden;
  position:relative;
}
.panel::before{
  content:'';position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(300px 80px at 20% 0%, rgba(34,211,238,.10), transparent 70%);
}
.panel-title{
  font-size:14px;font-weight:700;letter-spacing:1px;
  padding:15px 18px;border-bottom:1px solid var(--line);
  color:var(--accent2);
  display:flex;align-items:center;gap:8px;
}
.panel-title::before{content:'◆';font-size:11px;color:var(--neon)}
.panel-body{padding:16px 18px}

/* ---------- 店铺头 ---------- */
.shop-header{
  position:relative;
  padding:26px 18px 24px;
  color:#fff;
  background:
    linear-gradient(150deg, rgba(124,92,255,.30), rgba(34,211,238,.18) 60%, rgba(0,255,209,.10)),
    linear-gradient(180deg,#131c36,#0b1020);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.shop-header::before{
  content:'';position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(400px 120px at 15% -20%, rgba(0,255,209,.35), transparent 70%),
    radial-gradient(500px 160px at 100% -30%, rgba(124,92,255,.4), transparent 70%);
}
.shop-header::after{
  content:'';position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg, transparent, var(--neon), transparent);
  opacity:.7;
}
/* 扫描流光 */
.scan-line{
  position:absolute;left:-40%;top:0;bottom:0;width:35%;
  pointer-events:none;
  background:linear-gradient(105deg, transparent 0%, rgba(0,255,209,.08) 45%, rgba(255,255,255,.14) 50%, rgba(0,255,209,.08) 55%, transparent 100%);
  animation:scan 4.5s linear infinite;
}
@keyframes scan{0%{left:-40%}100%{left:120%}}
.shop-head-main{position:relative;display:flex;align-items:center}
.shop-logo{
  width:66px;height:66px;border-radius:16px;flex-shrink:0;
  background:linear-gradient(145deg,#16203c,#0c1324);
  border:1px solid var(--line2);
  display:flex;align-items:center;justify-content:center;overflow:hidden;
  box-shadow:0 0 18px rgba(0,255,209,.25);
}
.shop-logo img{width:100%;height:100%;object-fit:cover}
.logo-txt{
  font-size:30px;font-weight:800;
  background:linear-gradient(135deg,var(--neon),var(--accent2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.shop-info{margin-left:14px;min-width:0}
.shop-name{font-size:21px;font-weight:800;display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-shadow:0 0 20px rgba(56,189,248,.4)}
.vbadge{
  font-size:10px;font-weight:500;flex-shrink:0;
  background:linear-gradient(135deg,var(--gold),#ff9d2e);
  color:#1a1200;padding:2px 7px;border-radius:5px;
  box-shadow:0 0 10px rgba(255,200,61,.4);
}
.shop-desc{font-size:13px;margin-top:7px;opacity:.92;color:var(--txt);line-height:1.45}
.shop-meta{display:flex;align-items:center;gap:12px;margin-top:10px;font-size:12px;flex-wrap:wrap}
.sell-count{color:var(--txt2)}
.sell-count b{
  color:var(--neon);font-weight:700;font-size:15px;text-shadow:0 0 10px rgba(0,255,209,.5);
}
.kf-qq{
  background:rgba(34,211,238,.12);border:1px solid var(--line);
  padding:4px 10px;border-radius:20px;color:var(--accent2);
}

/* ---------- 分类栏 ---------- */
.cat-bar{
  display:flex;gap:10px;padding:14px 16px;
  overflow-x:auto;scrollbar-width:none;
  background:transparent;
}
.cat-bar::-webkit-scrollbar{display:none}
.cat-bar a{
  padding:7px 16px;border-radius:24px;font-size:13px;white-space:nowrap;
  color:var(--txt2);
  background:linear-gradient(160deg, rgba(20,29,51,.8), rgba(13,18,34,.9));
  border:1px solid var(--line);
  transition:all .2s;
}
.cat-bar a.on{
  color:#04121c;
  background:linear-gradient(135deg,var(--accent2),var(--neon));
  border-color:transparent;font-weight:700;
  box-shadow:0 0 16px rgba(34,211,238,.45);
}

/* ---------- 商品列表 ---------- */
.goods-list{padding:6px 16px;display:flex;flex-direction:column;gap:14px}
.goods-card{
  display:flex;align-items:center;justify-content:space-between;
  background:linear-gradient(160deg, rgba(20,29,51,.85), rgba(13,18,34,.9));
  border:1px solid var(--line);border-radius:16px;padding:17px;
  box-shadow:0 8px 26px rgba(0,0,0,.3), inset 0 1px 0 rgba(255,255,255,.03);
  position:relative;overflow:hidden;
  transition:transform .18s, border-color .18s;
}
.goods-card::before{
  content:'';position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--neon),var(--accent2));
  opacity:.85;
}
.goods-card:hover{transform:translateY(-2px);border-color:var(--line2)}
.gc-name{font-size:16px;font-weight:700;color:var(--txt)}
.gc-price{margin-top:8px}
.gc-price .cur{font-size:14px;color:var(--neon)}
.gc-price .num{
  font-size:26px;font-weight:800;color:var(--neon);
  text-shadow:0 0 14px rgba(0,255,209,.35);
}
.gc-meta{display:flex;gap:16px;font-size:12px;color:var(--txt3);margin-top:8px}
.gc-btn{
  background:linear-gradient(135deg,var(--accent2),var(--accent));
  color:#04121c;font-size:14px;font-weight:700;padding:9px 17px;border-radius:10px;flex-shrink:0;
  box-shadow:0 4px 16px rgba(34,211,238,.35);
}
.empty{text-align:center;color:var(--txt3);padding:70px 0;font-size:14px}

/* ---------- 商品详情 ---------- */
.back-bar{
  padding:16px 18px 6px;font-size:13px;color:var(--txt3);
  display:flex;align-items:center;gap:6px;
}
.back-bar a{color:var(--accent2)}
.goods-detail{
  background:linear-gradient(160deg, rgba(20,29,51,.9), rgba(13,18,34,.95));
  border:1px solid var(--line);border-radius:18px;padding:20px;
  margin:12px 16px;box-shadow:0 10px 30px rgba(0,0,0,.32);
  position:relative;overflow:hidden;
}
.goods-detail::before{
  content:'';position:absolute;top:-30px;right:-30px;width:140px;height:140px;border-radius:50%;
  background:radial-gradient(circle, rgba(124,92,255,.25), transparent 70%);
}
.gd-top{display:flex;justify-content:space-between;align-items:flex-start;position:relative}
.gd-name{font-size:19px;font-weight:800}
.gd-market{font-size:12px;color:var(--txt3);text-decoration:line-through;margin-left:6px}
.gd-price{color:var(--neon);text-align:right}
.gd-price .cur{font-size:15px}
.gd-price .num{font-size:30px;font-weight:800;text-shadow:0 0 16px rgba(0,255,209,.4)}
.gd-stock{margin-top:14px;font-size:12px;color:var(--txt3);padding-top:12px;border-top:1px dashed var(--line)}
.gd-stock b{color:var(--neon)}

/* ---------- 表单 ---------- */
.form .row{margin-bottom:15px}
.form label{display:block;font-size:13px;color:var(--txt2);margin-bottom:7px;letter-spacing:.5px}
.form input[type=text],.form input[type=password],.form input[type=number]{
  width:100%;border:1px solid var(--line);border-radius:10px;
  padding:12px 13px;font-size:14px;outline:none;
  background:rgba(8,13,26,.6);color:var(--txt);
  transition:border-color .2s, box-shadow .2s;
}
.form input:focus{border-color:var(--accent2);box-shadow:0 0 0 3px rgba(34,211,238,.15)}
.form input::placeholder{color:var(--txt3)}
.qty{display:flex;align-items:center;gap:8px}
.qty button{
  width:38px;height:38px;border:1px solid var(--line);background:rgba(20,29,51,.7);
  border-radius:9px;font-size:19px;color:var(--accent2);cursor:pointer;
  transition:background .2s;
}
.qty button:hover{background:rgba(34,211,238,.15)}
.qty input{
  width:60px;text-align:center;border:1px solid var(--line);border-radius:9px;
  height:38px;font-size:15px;background:rgba(8,13,26,.6);color:var(--txt);
}
.limit{font-size:12px;color:var(--txt3);margin-left:6px}
.amount-row{
  display:flex;justify-content:space-between;align-items:center;
  padding:14px 0;border-top:1px dashed var(--line);margin-bottom:16px;
}
.amount-row span{font-size:13px;color:var(--txt2)}
.amount-total{font-size:22px;font-weight:800;color:var(--neon);text-shadow:0 0 12px rgba(0,255,209,.35)}
.btn-submit{
  width:100%;
  background:linear-gradient(135deg,var(--accent2),var(--accent) 60%,var(--neon));
  color:#04121c;border:none;border-radius:12px;padding:14px;
  font-size:16px;font-weight:800;cursor:pointer;letter-spacing:1px;
  box-shadow:0 8px 26px rgba(34,211,238,.35);
  transition:filter .2s, transform .15s;
}
.btn-submit:active{transform:translateY(1px)}
.btn-submit:disabled{filter:saturate(.3) brightness(.7)}
.btn-link{display:block;text-align:center;margin-top:12px;background:linear-gradient(135deg,#00c97b,#07e07f);box-shadow:0 6px 20px rgba(0,201,123,.3)}

/* ---------- 收银台 ---------- */
.cashier{
  position:relative;color:#fff;text-align:center;
  padding:30px 16px;margin:12px 16px;border-radius:18px;
  background:
    linear-gradient(150deg, rgba(124,92,255,.35), rgba(34,211,238,.25)),
    linear-gradient(180deg,#141d33,#0c1324);
  border:1px solid var(--line2);
  box-shadow:0 12px 34px rgba(0,0,0,.4);
  overflow:hidden;
}
.cashier::before{
  content:'';position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(300px 120px at 50% -30%, rgba(0,255,209,.5), transparent 70%);
}
.cashier::after{
  content:'';position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--neon),transparent);
}
.cashier-title{font-size:19px;font-weight:800;letter-spacing:2px;position:relative}
.cashier-goods{margin-top:13px;font-size:14px;opacity:.95;color:var(--txt);position:relative}
.cashier-money{
  font-size:42px;font-weight:900;margin-top:6px;position:relative;
  text-shadow:0 0 22px rgba(0,255,209,.5);
}
.cashier-no{margin-top:8px;font-size:12px;opacity:.75;color:var(--txt2);position:relative}

/* ---------- 二维码 ---------- */
.qrcode-area{padding:22px 0 8px;text-align:center}
.qr-box{
  width:286px;height:286px;margin:0 auto;
  border:1px solid var(--line2);border-radius:18px;
  display:flex;align-items:center;justify-content:center;
  background:#0b1222;overflow:hidden;
  box-shadow:0 0 30px rgba(34,211,238,.18), inset 0 0 40px rgba(0,0,0,.3);
  padding:14px;
}
.qr-img{width:100%;height:100%;object-fit:contain;border-radius:8px}
.qr-loading{color:var(--txt3);font-size:13px;animation:pulse 1.4s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.tip{font-size:12px;color:var(--txt3);text-align:center;padding:12px 16px;line-height:1.7}
.tip b{color:var(--neon)}

/* ---------- 卡密 ---------- */
.card-box{padding:16px}
.card-box pre{
  background:#060b16;color:#4cffa6;border:1px solid var(--line2);
  border-radius:12px;padding:18px;font-size:14px;line-height:1.7;
  text-align:left;white-space:pre-wrap;word-break:break-all;margin-bottom:14px;
  font-family:Menlo,Consolas,monospace;
  box-shadow:inset 0 0 24px rgba(0,255,209,.08);
}
/* 投诉按钮与弹窗 */
.btn-complaint{
  margin-top:10px;
  background:linear-gradient(135deg,#ff5f6d,#ff8f5f);
  box-shadow:0 6px 20px rgba(255,95,109,.3);
}
.complaint-tip{color:var(--txt3);padding-top:2px}
.complaint-mask{
  position:fixed;inset:0;z-index:999;
  background:rgba(4,8,18,.75);backdrop-filter:blur(4px);
  display:flex;align-items:center;justify-content:center;padding:20px;
}
.complaint-box{
  width:100%;max-width:400px;
  background:linear-gradient(160deg,#141d33,#0c1324);
  border:1px solid var(--line2);border-radius:16px;padding:20px;
  box-shadow:0 18px 50px rgba(0,0,0,.5);
}
.complaint-title{font-size:16px;font-weight:700;color:var(--txt);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.complaint-title::before{content:'⚠';color:var(--danger)}
.complaint-box textarea{
  width:100%;border:1px solid var(--line);border-radius:10px;padding:12px;
  font-size:14px;color:var(--txt);background:rgba(8,13,26,.6);outline:none;resize:vertical;
  transition:border-color .2s;
}
.complaint-box textarea:focus{border-color:var(--danger);box-shadow:0 0 0 3px rgba(255,95,109,.15)}
.complaint-box textarea::placeholder{color:var(--txt3)}
.complaint-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:16px}
.complaint-actions .mini-btn{padding:9px 18px;border-radius:9px;font-size:14px}
.order-info{text-align:left;font-size:13px;color:var(--txt2);margin-bottom:12px;line-height:1.9}
.order-info b{color:var(--neon)}

/* ---------- 订单查询 ---------- */
.order-item{
  background:linear-gradient(160deg, rgba(20,29,51,.85), rgba(13,18,34,.9));
  border:1px solid var(--line);border-radius:14px;padding:14px 16px;margin-bottom:12px;
}
.order-item .oi-line{font-size:13px;color:var(--txt2);margin:4px 0;line-height:1.5}
.order-item .oi-line b{color:var(--txt)}
.order-item .oi-paid{color:var(--neon);font-weight:700}
.order-item .oi-unpaid{color:var(--danger)}

/* ---------- 商品说明(富文本) ---------- */
.desc{line-height:1.75;font-size:14px;color:var(--txt2)}
.desc p{margin:5px 0}
.desc strong{color:var(--neon)}

/* ---------- 页脚 ---------- */
.footer{text-align:center;color:var(--txt3);font-size:12px;padding:26px 0 8px;display:flex;gap:8px;justify-content:center}
.footer a{color:var(--txt2)}
.brand-tag{color:var(--accent2);opacity:.85;letter-spacing:.5px}


/* =========================================================
   后台 (沿用原有浅色风格, 局部科技化微调)
   ========================================================= */
/* 后台页面强制浅色, 不受前台深色主题影响 */
body.admin-body{
  background:#f5f6f8;color:#222;
}
body.admin-body::before,
body.admin-body::after{display:none}
.admin-wrap{max-width:1000px;margin:0 auto;padding:20px 16px;color:#222}
.admin-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.admin-top h1{font-size:20px;color:#1a1a2e}
.admin-nav{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.admin-nav a{background:#fff;padding:8px 14px;border-radius:8px;font-size:13px;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.admin-nav a.on{background:#22d3ee;color:#04121c}
.admin-nav a.off{color:#999}
.atable{width:100%;background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 1px 3px rgba(0,0,0,.05);font-size:13px}
.atable th,.atable td{padding:10px 12px;border-bottom:1px solid #f0f0f0;text-align:left}
.atable th{background:#fafafa;font-weight:600}
.atable tr:last-child td{border-bottom:none}
.tag{display:inline-block;padding:2px 8px;border-radius:4px;font-size:12px}
.tag-green{background:#e6f7e6;color:#389e0d}
.tag-red{background:#fff1f0;color:#cf1322}
.tag-gray{background:#f5f5f5;color:#666}
.mini-btn{display:inline-block;padding:4px 10px;border-radius:6px;font-size:12px;margin:0 3px;cursor:pointer;border:none}
.mb-red{background:#e13c39;color:#fff}
.mb-gray{background:#f0f0f0;color:#555}
.admin-form{background:#fff;border-radius:8px;padding:20px;box-shadow:0 1px 3px rgba(0,0,0,.05);max-width:640px}
.admin-form .row{margin-bottom:16px}
.admin-form label{display:block;font-size:13px;color:#555;margin-bottom:6px}
.admin-form input[type=text],.admin-form input[type=password],.admin-form input[type=number],.admin-form textarea,.admin-form select{width:100%;border:1px solid #e5e5e5;border-radius:6px;padding:10px 12px;font-size:14px;outline:none}
.admin-form textarea{min-height:80px;resize:vertical}
.login-box{max-width:360px;margin:80px auto;background:#fff;border-radius:12px;padding:28px;box-shadow:0 2px 8px rgba(0,0,0,.08)}
.login-box h2{text-align:center;margin-bottom:20px}
.error-msg{background:#fff1f0;color:#cf1322;padding:10px 14px;border-radius:6px;font-size:13px;margin-bottom:16px}
.success-msg{background:#f6ffed;color:#389e0d;padding:10px 14px;border-radius:6px;font-size:13px;margin-bottom:16px}
.pager{display:flex;gap:8px;align-items:center;margin-top:14px;font-size:13px}
.pager a{padding:6px 10px;background:#fff;border-radius:6px;box-shadow:0 1px 2px rgba(0,0,0,.05)}