:root{
  --bg:#f5f6fa; --panel:#ffffff; --line:#e8eaf0; --line-soft:#f0f2f7;
  --text:#1e2233; --text-2:#5b6178; --text-3:#8c92a6;
  --brand:#d94c7c; --brand-soft:#fdeaf1; --brand-deep:#b23561;
  --blue:#3d7cf5; --blue-soft:#e9f1ff;
  --green:#12a97b; --green-soft:#e5f7f0;
  --amber:#e08a12; --amber-soft:#fdf1de;
  --red:#e0483d; --red-soft:#fdeceb;
  --purple:#7a5af5; --purple-soft:#efeaff;
  --radius:14px; --shadow:0 1px 2px rgba(24,28,49,.05),0 8px 24px rgba(24,28,49,.06);
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"PingFang SC","Microsoft YaHei","Segoe UI",system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:14px;-webkit-font-smoothing:antialiased}
button,input,select,textarea{font-family:inherit;font-size:14px;color:inherit}
a{text-decoration:none;color:inherit}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:#d3d7e3;border-radius:8px}

.layout{display:flex;min-height:100vh}

/* sidebar */
.sidebar{width:230px;background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0}
.brand{display:flex;gap:10px;align-items:center;padding:18px 18px 16px}
.brand-mark{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,var(--brand),#f0839f);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;box-shadow:0 6px 14px rgba(217,76,124,.28)}
.brand-title{font-size:15px;font-weight:700;letter-spacing:.3px}
.brand-sub{font-size:11px;color:var(--text-3);margin-top:2px}
.nav{flex:1;overflow:auto;padding:4px 10px 10px}
.nav-group{font-size:11px;color:var(--text-3);padding:14px 10px 6px;letter-spacing:1px}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:10px;color:var(--text-2);cursor:pointer;font-size:13.5px;margin-bottom:2px;transition:.15s}
.nav-item i{font-style:normal;width:18px;text-align:center;color:var(--text-3);font-size:13px}
.nav-item:hover{background:var(--line-soft);color:var(--text)}
.nav-item.active{background:var(--brand-soft);color:var(--brand-deep);font-weight:600}
.nav-item.active i{color:var(--brand)}
.sidebar-foot{display:flex;align-items:center;gap:8px;padding:12px 18px;border-top:1px solid var(--line-soft);font-size:11.5px;color:var(--text-3)}
.sync-dot{width:7px;height:7px;border-radius:50%;background:var(--green)}

/* main */
.main{flex:1;margin-left:230px;display:flex;flex-direction:column;min-width:0}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:18px 26px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;gap:16px;flex-wrap:wrap}
.topbar h1{font-size:19px;font-weight:700}
.topbar-left p{font-size:12px;color:var(--text-3);margin-top:3px}
.topbar-right{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.period{display:flex;gap:6px;background:var(--bg);padding:4px;border-radius:10px}
.period select{border:none;background:transparent;padding:5px 8px;border-radius:7px;cursor:pointer;outline:none}
.content{padding:22px 26px 40px;flex:1}

/* buttons */
.btn{border:1px solid var(--line);background:#fff;color:var(--text);padding:8px 14px;border-radius:10px;cursor:pointer;font-size:13px;transition:.15s;white-space:nowrap}
.btn:hover{border-color:#cfd4e2;background:#fafbff}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.btn-primary:hover{background:var(--brand-deep);border-color:var(--brand-deep);color:#fff}
.btn-ghost{background:#fff}
.btn-sm{padding:5px 10px;font-size:12px;border-radius:8px}
.btn-danger{color:var(--red);border-color:#f3cfcc}
.btn-danger:hover{background:var(--red-soft)}
.icon-btn{border:none;background:transparent;font-size:20px;cursor:pointer;color:var(--text-3);line-height:1}
.icon-btn:hover{color:var(--text)}

/* cards */
.grid{display:grid;gap:16px}
.g4{grid-template-columns:repeat(4,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.card-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--line-soft);gap:10px}
.card-head h3{font-size:14px;font-weight:700}
.card-head .sub{font-size:11.5px;color:var(--text-3)}
.card-body{padding:16px}

/* kpi */
.kpi{padding:16px 18px}
.kpi .label{font-size:12px;color:var(--text-3);display:flex;align-items:center;gap:6px}
.kpi .value{font-size:26px;font-weight:700;margin-top:8px;letter-spacing:-.5px}
.kpi .foot{font-size:11.5px;color:var(--text-3);margin-top:6px}
.kpi .delta{font-weight:600}
.up{color:var(--red)} .down{color:var(--green)}
.tag{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:600}
.tag-red{background:var(--red-soft);color:var(--red)}
.tag-green{background:var(--green-soft);color:var(--green)}
.tag-amber{background:var(--amber-soft);color:var(--amber)}
.tag-blue{background:var(--blue-soft);color:var(--blue)}
.tag-purple{background:var(--purple-soft);color:var(--purple)}
.tag-gray{background:var(--line-soft);color:var(--text-2)}

/* table */
.table-wrap{overflow:auto;max-height:none}
table{width:100%;border-collapse:collapse;font-size:13px}
thead th{background:#fafbfe;color:var(--text-2);font-weight:600;text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:2;white-space:nowrap}
tbody td{padding:9px 12px;border-bottom:1px solid var(--line-soft);white-space:nowrap}
tbody tr:hover{background:#fafbfe}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
tfoot td{padding:9px 12px;border-top:1px solid var(--line);white-space:nowrap;font-size:13px}
tfoot td.num{text-align:right;font-variant-numeric:tabular-nums}
thead th.sortable{cursor:pointer;user-select:none}
thead th.sortable:hover{color:var(--brand)}
thead th.sortable.on{color:var(--brand)}
.row-edit{cursor:pointer;color:var(--brand)}
.tbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;padding:12px 16px;border-bottom:1px solid var(--line-soft)}
.tbar .grow{flex:1}
input[type=text],input[type=number],input[type=date],select,textarea{border:1px solid var(--line);background:#fff;border-radius:9px;padding:7px 10px;outline:none;transition:.15s;width:100%}
input:focus,select:focus,textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.search{width:230px}
.pager{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;font-size:12px;color:var(--text-3)}
.empty{padding:44px;text-align:center;color:var(--text-3);font-size:13px}

/* forms */
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.field label{display:block;font-size:12px;color:var(--text-2);margin-bottom:5px}
.field-full{grid-column:1/-1}
.lines{width:100%}
.lines input,.lines select{border:1px solid #e0e4f0;background:#f2f4fb;border-radius:8px;padding:6px 8px;transition:.15s;color:var(--text)}
.lines select{cursor:pointer}
.lines input:hover,.lines select:hover{border-color:#c6cde3}
.lines input:focus,.lines select:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px var(--brand-soft)}
/* 参与金额计算的输入项，底色更实以便识别 */
.lines input.calc{background:#e9edfa;border-color:#d3d9ef;font-variant-numeric:tabular-nums}
.lines input.calc:focus{background:#fff}
.lines input[readonly]{background:#eef1f7;border-color:transparent;color:var(--text-2);cursor:default}
.lines input[readonly]:focus{box-shadow:none;background:#eef1f7}
.lines tbody td{padding:3px 6px}

/* modal */
.modal-mask{position:fixed;inset:0;background:rgba(24,28,49,.42);display:none;align-items:center;justify-content:center;z-index:100;padding:20px}
.modal-mask.show{display:flex}
.modal{background:#fff;border-radius:16px;width:min(760px,100%);max-height:88vh;display:flex;flex-direction:column;box-shadow:0 24px 60px rgba(24,28,49,.24)}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line-soft)}
.modal-head h3{font-size:16px}
.modal-body{padding:18px 20px;overflow:auto}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;padding:14px 20px;border-top:1px solid var(--line-soft)}

/* auth 登录层 */
.auth-mask{position:fixed;inset:0;background:linear-gradient(135deg,#f7f8fc,#eef0f8);display:none;align-items:center;justify-content:center;z-index:300;padding:20px;overflow:auto}
.auth-mask.show{display:flex}
.auth-card{background:#fff;border-radius:18px;width:min(420px,100%);padding:28px 28px 24px;box-shadow:0 24px 60px rgba(24,28,49,.16)}
.auth-logo{display:flex;align-items:center;gap:11px;margin-bottom:6px}
.auth-title{font-size:18px;font-weight:700}
.auth-sub{font-size:12.5px;color:var(--text-3);margin-bottom:18px;line-height:1.7}
.auth-tabs{display:flex;gap:4px;background:var(--bg);padding:4px;border-radius:11px;margin-bottom:16px}
.auth-tabs button{flex:1;border:none;background:transparent;padding:8px 6px;border-radius:8px;cursor:pointer;font-size:13px;color:var(--text-2)}
.auth-tabs button.on{background:#fff;color:var(--brand-deep);font-weight:600;box-shadow:0 1px 3px rgba(24,28,49,.08)}
.field{margin-bottom:12px}
.field label{display:block;font-size:12px;color:var(--text-2);margin-bottom:5px}
.field input{width:100%;border:1px solid var(--line);background:#fbfcfe;border-radius:10px;padding:9px 12px;outline:none}
.field input:focus{border-color:var(--brand);background:#fff}
.auth-btn{width:100%;padding:10px;border-radius:11px;background:var(--brand);border:1px solid var(--brand);color:#fff;font-weight:600;cursor:pointer;font-size:14px}
.auth-btn:hover{background:var(--brand-deep)}
.auth-btn[disabled]{opacity:.6;cursor:default}
.auth-link{display:flex;justify-content:space-between;font-size:12px;color:var(--text-3);margin-top:12px;gap:8px}
.auth-link span{cursor:pointer;text-decoration:underline;text-underline-offset:2px}
.auth-msg{font-size:12.5px;color:var(--red);min-height:18px;margin-top:8px}
.auth-msg.ok{color:var(--green)}
.auth-off{max-width:360px;text-align:center}
.auth-off .btn{margin-top:14px}

/* 顶栏用户区 */
.user-box{display:flex;align-items:center;gap:8px;background:var(--bg);border-radius:10px;padding:5px 10px;font-size:12.5px;color:var(--text-2);max-width:240px}
.user-avatar{width:22px;height:22px;border-radius:50%;background:var(--brand-soft);color:var(--brand-deep);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700}
.user-mail{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:150px}
.user-out{border:none;background:transparent;color:var(--text-3);cursor:pointer;font-size:12px;padding:0 2px}
.user-out:hover{color:var(--red)}
.sync-tag{font-size:11px;padding:2px 7px;border-radius:6px;background:var(--green-soft);color:var(--green)}
.role-tag{display:inline-block;margin-left:6px;font-size:10.5px;padding:1px 6px;border-radius:5px;background:var(--amber-soft);color:var(--amber);vertical-align:middle}
.role-tag.admin{background:var(--green-soft);color:var(--green)}
.sync-tag.off{background:var(--amber-soft);color:var(--amber)}
.sync-tag.err{background:var(--red-soft);color:var(--red)}

/* toast */
.toast-wrap{position:fixed;top:18px;left:50%;transform:translateX(-50%);z-index:200;display:flex;flex-direction:column;gap:8px;align-items:center}
.toast{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:10px 18px;border-radius:11px;font-size:13px;animation:tin .2s ease}
@keyframes tin{from{opacity:0;transform:translateY(-8px)}}

/* misc */
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{padding:5px 12px;border-radius:20px;border:1px solid var(--line);cursor:pointer;font-size:12px;color:var(--text-2);background:#fff}
.chip.active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.trend-stat{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.ts-item{flex:1;min-width:140px;background:#fafbfe;border:1px solid var(--line-soft);border-radius:10px;padding:10px 12px}
.ts-item span{display:block;font-size:11.5px;color:var(--text-3)}
.ts-item b{display:block;font-size:15px;margin-top:4px;font-variant-numeric:tabular-nums}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:12px;color:var(--text-2);margin-top:10px}
.legend i{display:inline-block;width:9px;height:9px;border-radius:3px;margin-right:5px}
.bar-track{height:6px;background:var(--line-soft);border-radius:6px;overflow:hidden}
.rank-badge{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:7px;background:var(--line-soft);color:var(--text-2);font-size:11.5px;font-weight:700;font-variant-numeric:tabular-nums}
.bar-fill{height:100%;border-radius:6px}
.doc-head{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;background:#fafbfe;border:1px solid var(--line-soft);border-radius:12px;padding:14px;margin-bottom:14px}
.warn-row{background:var(--red-soft)!important}
.row-del{cursor:pointer;color:var(--text-3)}
.row-del:hover{color:var(--red)}

@media(max-width:1100px){.g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(2,1fr)}.g2{grid-template-columns:1fr}}
@media(max-width:760px){
  .sidebar{width:64px}.brand-text,.nav-group,.sidebar-foot span,.nav-item{display:none}
  .nav-item{display:flex;justify-content:center}.main{margin-left:64px}
  .g4,.g3,.g2{grid-template-columns:1fr}
  .doc-head{grid-template-columns:repeat(2,1fr)}
}

/* ---------- 商品表单：产品图片 ---------- */
.pf-img-block{margin-top:14px;padding-top:12px;border-top:1px dashed #e3e6ef}
.pf-img-block .flabel{display:block;font-size:12px;color:#5b6172;margin-bottom:8px}
.pf-img-row{display:flex;gap:14px;align-items:flex-start}
.pf-img-preview{width:120px;height:120px;border:1px solid #e3e6ef;border-radius:10px;background:#f7f8fb;display:flex;align-items:center;justify-content:center;overflow:hidden;flex:none}
.pf-img-preview img{max-width:100%;max-height:100%;object-fit:contain}
.pf-img-empty{font-size:12px;color:#b6bac6}
.pf-img-ops{display:flex;flex-direction:column;gap:8px;align-items:flex-start}
.pf-img-tip{font-size:11.5px;color:#8c92a6;line-height:1.6;max-width:280px}