:root{
  --bg:#0f1115; --surface:#171a21; --surface-2:#1f232c; --text:#e8eaed; --muted:#9aa3af;
  --border:#2a2f3a; --primary:#ff6a3d; --primary-soft:#ff6a3d1f; --ok:#34d399; --warn:#fbbf24; --bad:#f87171;
  --radius:14px; --shadow:0 6px 24px rgba(0,0,0,.35); --sidebar-w:230px;
}
[data-theme="light"]{
  --bg:#f5f7fa; --surface:#ffffff; --surface-2:#eef1f5; --text:#16202b; --muted:#5b6675;
  --border:#e3e7ec; --primary:#e8542a; --primary-soft:#e8542a18; --ok:#0f9d6b; --warn:#b8860b; --bad:#d63a3a;
  --shadow:0 6px 24px rgba(20,30,50,.10);
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--text);font:14px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;transition:background .25s,color .25s}
a{color:var(--primary);text-decoration:none}
.ic{vertical-align:-3px;flex:none}

/* 布局 */
.layout{display:flex;min-height:100vh}
.sidebar{width:var(--sidebar-w);background:var(--surface);border-right:1px solid var(--border);padding:18px 12px;position:fixed;top:0;bottom:0;left:0;overflow-y:auto;z-index:40;transition:transform .25s}
.sidebar .brand{display:flex;align-items:center;gap:10px;font-weight:700;padding:6px 10px 18px;font-size:16px}
.sidebar .brand .logo{width:30px;height:30px;background:var(--primary);border-radius:9px;display:flex;align-items:center;justify-content:center;color:#fff}
.navitem{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:10px;color:var(--muted);font-size:14px;margin-bottom:3px}
.navitem:hover{background:var(--surface-2);color:var(--text)}
.navitem.active{background:var(--primary-soft);color:var(--primary);font-weight:600}
.navitem .ic{color:currentColor}
.main{margin-left:var(--sidebar-w);flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{height:58px;background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 18px;position:sticky;top:0;z-index:30}
.topbar .left{display:flex;align-items:center;gap:12px}
.menu-btn{display:none;background:var(--surface-2);border:1px solid var(--border);border-radius:9px;width:38px;height:38px;color:var(--text);cursor:pointer;align-items:center;justify-content:center}
.store-select{background:var(--surface-2);border:1px solid var(--border);color:var(--text);padding:8px 10px;border-radius:9px;font-size:13px;max-width:170px}
.topbar .right{display:flex;align-items:center;gap:10px}
.icon-btn{background:var(--surface-2);border:1px solid var(--border);border-radius:9px;width:38px;height:38px;color:var(--text);cursor:pointer;display:flex;align-items:center;justify-content:center}
.icon-btn:hover{border-color:var(--primary)}
.user-chip{display:flex;align-items:center;gap:8px;font-size:13px;padding:6px 10px;background:var(--surface-2);border-radius:9px;cursor:pointer;position:relative}
.user-chip .avatar{width:28px;height:28px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700}
.dropdown{position:absolute;top:46px;right:0;background:var(--surface);border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow);min-width:160px;padding:6px;display:none}
.dropdown.show{display:block}
.dropdown a{display:flex;align-items:center;gap:8px;padding:9px 10px;border-radius:8px;color:var(--text);font-size:13px}
.dropdown a:hover{background:var(--surface-2)}
.content{padding:24px 32px 64px;max-width:1600px;width:100%;box-sizing:border-box;margin:0 auto}
.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;flex-wrap:wrap;gap:10px}
.page-head h1{font-size:22px;display:flex;align-items:center;gap:9px}
.page-head h1 .ic{color:var(--primary)}

/* 卡片 */
.grid{display:grid;gap:16px}
.cards-4{grid-template-columns:repeat(4,1fr)}
.cards-3{grid-template-columns:repeat(3,1fr)}
.cards-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.card .kpi{font-size:28px;font-weight:700;margin:4px 0}
.card .label{color:var(--muted);font-size:13px}
.card .sub{font-size:12px;margin-top:6px}
.kpi-card{display:flex;align-items:center;gap:14px}
.kpi-card .ico-wrap{width:46px;height:46px;border-radius:12px;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;flex:none}
.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.panel-head{padding:14px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;font-weight:600}
.panel-body{padding:16px}

/* 表格 */
.tbl-wrap{overflow-x:auto}
table.tbl{width:100%;border-collapse:collapse;font-size:13.5px}
.tbl th,.tbl td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--border);white-space:nowrap}
.tbl th{background:var(--surface-2);color:var(--text);font-weight:600;position:sticky;top:0}
.tbl tbody tr:hover{background:var(--surface-2)}
.tbl tr:last-child td{border-bottom:none}
.tag{display:inline-flex;align-items:center;gap:4px;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600}
.tag.ok{background:color-mix(in srgb,var(--ok) 18%,transparent);color:var(--ok)}
.tag.warn{background:color-mix(in srgb,var(--warn) 20%,transparent);color:var(--warn)}
.tag.bad{background:color-mix(in srgb,var(--bad) 18%,transparent);color:var(--bad)}
.tag.info{background:var(--primary-soft);color:var(--primary)}

/* 工具条 / 行内操作链接 */
.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0;align-items:center}
.toolbar input{padding:9px 13px;border-radius:10px;border:1px solid var(--border);background:var(--surface-2);color:var(--text);min-width:220px}
.ops{display:flex;gap:10px;align-items:center;white-space:nowrap}
.ops .inline{display:inline}
.lnk{display:inline-flex;align-items:center;gap:4px;color:var(--primary);background:none;border:none;cursor:pointer;font-size:13px;font-weight:600;padding:0}
.lnk:hover{text-decoration:underline}
.hint{margin-top:12px;color:var(--muted);font-size:12.5px;line-height:1.6}
.hint a{color:var(--primary)}
.low{color:var(--bad);font-weight:700}

/* 按钮 / 表单 */
.btn{display:inline-flex;align-items:center;gap:7px;padding:9px 15px;border-radius:10px;border:1px solid var(--border);background:var(--surface-2);color:var(--text);cursor:pointer;font-size:13.5px;font-weight:600;transition:.15s}
.btn:hover{border-color:var(--primary)}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.primary:hover{filter:brightness(1.07)}
.btn.danger{color:var(--bad);border-color:color-mix(in srgb,var(--bad) 40%,transparent)}
.btn.sm{padding:6px 11px;font-size:12.5px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.form-row{margin-bottom:14px}
.form-row label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.form-row input,.form-row select,.form-row textarea{width:100%;background:var(--surface-2);border:1px solid var(--border);color:var(--text);padding:10px 12px;border-radius:10px;font-size:14px;font-family:inherit}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{outline:none;border-color:var(--primary)}
.form-row .hint{font-size:12px;color:var(--muted);margin-top:4px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.actions{display:flex;gap:10px;flex-wrap:wrap}

/* 提示 */
.alert{display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:11px;font-size:13.5px;margin-bottom:16px}
.alert.info{background:var(--primary-soft);color:var(--primary);border:1px solid var(--primary)}
.alert.warn{background:color-mix(in srgb,var(--warn) 14%,transparent);color:var(--warn);border:1px solid color-mix(in srgb,var(--warn) 40%,transparent)}

/* 登录 */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:radial-gradient(1200px 600px at 70% -10%,var(--primary-soft),transparent)}
.auth-card{width:380px;max-width:100%;background:var(--surface);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow);padding:30px}
.auth-card .brand{display:flex;align-items:center;gap:11px;font-weight:700;font-size:18px;margin-bottom:20px;justify-content:center}
.auth-card .brand .logo{width:34px;height:34px;background:var(--primary);border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff}
.demo-box{background:var(--surface-2);border-radius:10px;padding:12px;font-size:12.5px;color:var(--muted);margin-top:14px;line-height:1.7}

/* 杂项 */
.breadcrumb{color:var(--muted);font-size:13px;margin-bottom:6px}
.empty{padding:40px;text-align:center;color:var(--muted)}
.muted{color:var(--muted)}
.right{text-align:right}
.nowrap{white-space:nowrap}
.modal-mask{position:fixed;inset:0;background:rgba(0,0,0,.5);display:none;align-items:center;justify-content:center;z-index:60;padding:20px}
.modal-mask.show{display:flex}
.modal{background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);width:520px;max-width:100%;max-height:90vh;overflow:auto;padding:22px}
.modal h3{margin-bottom:14px;display:flex;align-items:center;gap:8px}
.modal h3 .ic{color:var(--primary)}
.flex{display:flex;gap:12px}.between{justify-content:space-between}.center{align-items:center}
.badge-count{background:var(--bad);color:#fff;border-radius:999px;font-size:11px;padding:1px 7px;margin-left:6px}

@media (max-width:1024px){.cards-4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:768px){
  .sidebar{transform:translateX(-100%)}.sidebar.show{transform:translateX(0)}
  .main{margin-left:0}.menu-btn{display:flex}
  .cards-3,.cards-2,.cards-4{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}
  .content{padding:16px}
  .topbar{padding:0 12px}.store-select{max-width:120px}
}