/* ============================================================
   通用会员卡管理模块 · 设计体系（与 member-card-platform.html 原型同源）
   纯本地资源：系统字体栈，无任何 CDN 依赖，离线可用
   ============================================================ */
:root{
  --bg:#f5f7f9; --surface:#fff; --fg:#141a24; --muted:#6a7480; --border:#e3e7ec;
  --accent:#0e7c66; --accent-soft:rgba(14,124,102,.10);
  --c-count:#2f6fed; --c-value:#0e7c66; --c-disc:#d98324; --c-notify:#7b5bd6;
  --danger:#c0392b; --warn:#d98324;
  --radius:10px; --radius-lg:16px;
  --shadow:0 1px 2px rgba(16,24,40,.04),0 10px 30px -12px rgba(16,24,40,.12);
  --mono:'JetBrains Mono','SF Mono',Consolas,Menlo,monospace;
  --sans:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--fg);font-family:var(--sans);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;padding:0;color:inherit}
input,select,textarea{font:inherit;color:var(--fg)}
img,svg{display:block;max-width:100%}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.muted{color:var(--muted)}
.center{text-align:center}
.hidden{display:none!important}

/* ---------- 通用组件 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border-radius:var(--radius);border:1px solid transparent;font-size:14.5px;font-weight:600;transition:.15s;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#0b6653}
.btn-ghost{background:var(--surface);border-color:var(--border)}
.btn-ghost:hover{border-color:var(--fg)}
.btn-danger{background:#fdeceb;color:var(--danger);border-color:#f6c9c5}
.btn-danger:hover{background:#fadbd8}
.btn-sm{padding:6px 12px;font-size:13px;border-radius:8px}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed}

.input{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);outline:none;transition:border .15s}
.input:focus{border-color:var(--accent)}
.field{margin-bottom:14px}
.field .lab{font-size:12.5px;color:var(--muted);margin-bottom:5px;display:block}

.tag{display:inline-flex;align-items:center;gap:5px;padding:2px 9px;border-radius:6px;font-size:12px;font-weight:600}
.tag-green{background:var(--accent-soft);color:var(--accent)}
.tag-blue{background:rgba(47,111,237,.12);color:var(--c-count)}
.tag-orange{background:rgba(217,131,36,.13);color:var(--c-disc)}
.tag-purple{background:rgba(123,91,214,.12);color:var(--c-notify)}
.tag-gray{background:#e8eaee;color:var(--muted)}
.tag-red{background:#fdeceb;color:var(--danger)}
.type-dot{width:9px;height:9px;border-radius:50%;display:inline-block;margin-right:2px}
.dot-count{background:var(--c-count)}.dot-value{background:var(--c-value)}.dot-disc{background:var(--c-disc)}

.toast{position:fixed;left:50%;bottom:60px;transform:translateX(-50%) translateY(20px);background:rgba(20,26,36,.92);color:#fff;padding:10px 20px;border-radius:10px;font-size:14px;opacity:0;transition:.25s;z-index:999;pointer-events:none;max-width:80vw;text-align:center}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

.modal-mask{position:fixed;inset:0;background:rgba(13,22,34,.5);z-index:200;display:flex;align-items:center;justify-content:center;padding:20px}
.modal{background:var(--surface);border-radius:var(--radius-lg);width:100%;max-width:480px;max-height:86vh;overflow:auto;padding:22px;box-shadow:var(--shadow)}
.modal h3{margin:0 0 14px;font-size:17px}
.modal .modal-foot{display:flex;gap:10px;justify-content:flex-end;margin-top:18px}

/* 开关 */
.switch{width:38px;height:22px;border-radius:999px;background:#d4d8de;position:relative;cursor:pointer;transition:.18s;flex:none;display:inline-block;vertical-align:middle}
.switch::after{content:"";position:absolute;top:3px;left:3px;width:16px;height:16px;border-radius:50%;background:#fff;transition:.18s;box-shadow:0 1px 2px rgba(0,0,0,.2)}
.switch.on{background:var(--accent)}
.switch.on::after{left:19px}

/* 表格 */
.tbl{width:100%;border-collapse:collapse;font-size:13.5px}
.tbl th{font-size:11.5px;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);text-align:left;padding:9px 10px;border-bottom:1px solid var(--border);white-space:nowrap}
.tbl td{padding:10px;border-bottom:1px solid var(--border);vertical-align:middle}
.tbl tr:last-child td{border-bottom:0}
.tbl tr:hover td{background:#fafbfc}

/* ============================================================
   移动端（C端 + B端工作台）· 手机壳样式
   ============================================================ */
.m-stage{min-height:100vh;display:flex;justify-content:center;align-items:flex-start;padding:26px 12px;background:
  radial-gradient(1200px 500px at 20% -10%,rgba(14,124,102,.08),transparent),var(--bg)}
.m-phone{width:390px;max-width:100%;background:#0d1622;border-radius:40px;padding:12px;box-shadow:var(--shadow)}
.m-screen{background:#f5f6f8;border-radius:30px;overflow:hidden;height:760px;display:flex;flex-direction:column;position:relative}
.m-status{display:flex;justify-content:space-between;padding:12px 20px 4px;font-family:var(--mono);font-size:11px;color:#0d1622}
.m-nav{display:flex;align-items:center;justify-content:space-between;padding:8px 16px;min-height:44px}
.m-nav .m-title{font-weight:800;font-size:16.5px}
.m-nav .m-title.centered{font-size:14px;font-weight:600}
.m-nav .icon-btn{width:30px;height:30px;display:grid;place-items:center;border-radius:8px;color:#0d1622}
.m-nav .icon-btn:hover{background:rgba(0,0,0,.05)}
.m-body{flex:1;overflow-y:auto;padding:4px 14px 14px;scrollbar-width:none}
.m-body::-webkit-scrollbar{display:none}
.m-tabbar{display:flex;justify-content:space-around;padding:8px 6px 14px;background:#fff;border-top:1px solid var(--border)}
.m-tab{display:flex;flex-direction:column;align-items:center;gap:3px;font-size:10.5px;color:var(--muted);padding:2px 10px}
.m-tab svg{width:19px;height:19px}
.m-tab.active{color:var(--accent);font-weight:700}

.m-card{background:#fff;border-radius:16px;padding:15px;margin-bottom:11px;border:1px solid var(--border)}
.m-card.tap{cursor:pointer;transition:.12s}
.m-card.tap:hover{border-color:var(--accent)}
.m-row{display:flex;align-items:center;justify-content:space-between;gap:10px}
.m-h{font-size:12.5px;color:var(--muted)}
.m-b{font-weight:700}
.m-meta{font-family:var(--mono);font-size:12px;color:var(--muted)}

/* 会员卡面 */
.m-membercard{border-radius:18px;padding:18px;color:#fff;margin-bottom:12px;position:relative;overflow:hidden}
.m-membercard::after{content:"";position:absolute;right:-30px;top:-30px;width:130px;height:130px;border-radius:50%;background:rgba(255,255,255,.13)}
.m-membercard .chip{font-family:var(--mono);font-size:11px;opacity:.88;letter-spacing:.08em}
.m-membercard .big{font-family:var(--mono);font-size:30px;font-weight:700;margin-top:8px}
.m-membercard .sub{font-size:12.5px;color:rgba(255,255,255,.85);margin-top:4px}
.grad-count{background:linear-gradient(135deg,#2f6fed,#1d4fc0)}
.grad-value{background:linear-gradient(135deg,#0e7c66,#0a5c4c)}
.grad-disc{background:linear-gradient(135deg,#d98324,#b56514)}
.grad-pending{background:linear-gradient(135deg,#8a94a3,#5c6570)}

/* 大核销码 */
.verify-code{font-family:var(--mono);font-size:34px;letter-spacing:6px;font-weight:700;margin:8px 0;text-align:center}
.qr-mock{width:150px;height:150px;margin:6px auto;border:6px solid #141a24;border-radius:8px;display:grid;grid-template-columns:repeat(11,1fr);grid-template-rows:repeat(11,1fr);overflow:hidden}
.qr-mock i{background:transparent}
.qr-mock i.on{background:#141a24}
.countdown{font-family:var(--mono);font-size:12px;color:var(--muted);text-align:center}

/* 店铺 chips */
.store-chips{display:flex;gap:8px;overflow-x:auto;padding:2px 0 8px;scrollbar-width:none}
.store-chips::-webkit-scrollbar{display:none}
.store-chip{flex:none;padding:7px 14px;border-radius:999px;border:1px solid var(--border);background:#fff;font-size:13px;font-weight:600;color:var(--muted)}
.store-chip.active{background:var(--accent);color:#fff;border-color:var(--accent)}

/* 登录页 */
.login-hero{padding:30px 8px 6px;text-align:center}
.login-hero .logo{font-size:24px;font-weight:800;letter-spacing:-.01em}
.login-hero .logo span{color:var(--accent)}
.login-hero p{color:var(--muted);font-size:13px;margin:6px 0 18px}
.demo-accounts{margin-top:14px;border-top:1px dashed var(--border);padding-top:12px}
.demo-accounts .da{display:flex;justify-content:space-between;align-items:center;padding:7px 10px;border:1px solid var(--border);border-radius:10px;margin-bottom:7px;cursor:pointer;font-size:12.5px}
.demo-accounts .da:hover{border-color:var(--accent)}

/* 空态 */
.empty{padding:40px 10px;text-align:center;color:var(--muted);font-size:13.5px}
.empty svg{width:44px;height:44px;margin:0 auto 10px;color:#c3cad3}

/* ============================================================
   后台（平台 / 商家）
   ============================================================ */
.admin-shell{display:flex;min-height:100vh}
.admin-side{width:216px;flex:none;background:#101826;color:#c7d0da;padding:16px 12px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto}
.admin-side .brand{color:#fff;font-weight:800;font-size:16px;padding:4px 8px 14px;display:flex;align-items:center;gap:8px}
.admin-side .brand .chip{font-family:var(--mono);font-size:10px;color:#7fd6c2;border:1px solid rgba(127,214,194,.4);border-radius:999px;padding:1px 7px;font-weight:600}
.admin-side .grp{font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:#69758a;padding:14px 8px 5px;text-transform:uppercase}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:8px;font-size:13.5px;font-weight:600;color:#aeb9c6;cursor:pointer;margin-bottom:2px}
.nav-item svg{width:16px;height:16px;flex:none}
.nav-item:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-item.active{color:#7fd6c2;background:rgba(14,124,102,.22)}
.admin-main{flex:1;padding:22px 26px;max-width:1160px}
.admin-head{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:18px;flex-wrap:wrap}
.admin-head h2{margin:0;font-size:21px;font-weight:800;letter-spacing:-.01em}
.admin-head .sub{color:var(--muted);font-size:13px;margin-top:3px}
.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow);margin-bottom:18px}
.panel.flush{padding:0;overflow:hidden}
.panel-head{padding:14px 18px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.panel-head .t{font-weight:700;font-size:14.5px}
.kpi-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:18px}
@media(max-width:920px){.kpi-row{grid-template-columns:repeat(2,1fr)}}
.kpi{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px 16px}
.kpi .lab{font-size:12px;color:var(--muted)}
.kpi .val{font-family:var(--mono);font-size:23px;font-weight:700;margin-top:5px}
.kpi .val.small{font-size:17px}
.up{color:var(--accent)}.down{color:var(--danger)}.warn{color:var(--warn)}
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
.toolbar .input{width:auto;min-width:180px}
.note{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);background:rgba(14,124,102,.05);border:1px solid var(--border);border-radius:10px;padding:11px 14px;margin-top:14px}
.note svg{width:15px;height:15px;flex:none;margin-top:3px;color:var(--accent)}

/* 登录页（后台） */
.admin-login-wrap{min-height:100vh;display:grid;place-items:center;background:
  radial-gradient(900px 420px at 70% -10%,rgba(14,124,102,.14),transparent),var(--bg)}
.admin-login{width:380px;max-width:92vw;background:#fff;border:1px solid var(--border);border-radius:18px;padding:28px;box-shadow:var(--shadow)}
.admin-login .logo{font-size:21px;font-weight:800;margin-bottom:2px}
.admin-login .logo span{color:var(--accent)}
.admin-login p{color:var(--muted);font-size:13px;margin:0 0 18px}
.role-tabs{display:flex;gap:8px;margin-bottom:16px}
.role-tabs button{flex:1;padding:8px;border:1px solid var(--border);border-radius:9px;font-size:13px;font-weight:600;color:var(--muted)}
.role-tabs button.active{background:var(--accent);color:#fff;border-color:var(--accent)}

/* 双列布局 */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:920px){.grid-2,.grid-3{grid-template-columns:1fr}}

/* 分页 */
.pager{display:flex;gap:8px;align-items:center;justify-content:flex-end;padding:12px 14px;font-size:13px;color:var(--muted)}
.pager button{border:1px solid var(--border);border-radius:7px;padding:4px 10px;font-size:12.5px;background:#fff}
.pager button[disabled]{opacity:.4;cursor:not-allowed}

/* 时间线 */
.timeline{list-style:none;margin:0;padding:0}
.timeline li{display:flex;gap:12px;padding:8px 0;border-bottom:1px dashed var(--border);font-size:13px}
.timeline li:last-child{border-bottom:0}
.timeline .tl-when{font-family:var(--mono);font-size:11.5px;color:var(--muted);width:118px;flex:none;padding-top:2px}

/* 公告滚动条（紫禁城红） */
.notice-bar{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid rgba(158,42,34,.28);border-radius:10px;padding:8px 12px;margin-bottom:11px;overflow:hidden}
.notice-bar .nb-label{flex:none;font-size:12px;font-weight:700;color:#9e2a22;border:1px solid rgba(158,42,34,.4);border-radius:6px;padding:1px 7px}
.notice-bar .nb-track{flex:1;overflow:hidden;white-space:nowrap}
.notice-bar .nb-text{display:inline-block;white-space:nowrap;color:#9e2a22;font-size:13px;font-weight:600;animation:nb-scroll 22s linear infinite}
@keyframes nb-scroll{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}

/* 门店搜索 */
.store-search{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--border);border-radius:999px;padding:8px 14px;margin-bottom:11px}
.store-search .ss-input{flex:1;border:none;outline:none;font-size:14px;background:transparent;padding:2px 0}
.store-search .ss-clear{flex:none;width:20px;height:20px;border-radius:50%;background:#e3e7ec;color:#6a7480;font-size:13px;line-height:20px;text-align:center}