/* =========================================================
   发票管理台 —— 与「凭证档案管理平台」一致的界面体系
   侧栏 + 顶栏 + 卡片 + 表格 + 抽屉/弹层
   ========================================================= */
:root{
  --brand:#2563eb; --brand-soft:#eff6ff; --brand-deep:#1d4ed8;
  --bg:#f4f6fa; --panel:#ffffff; --line:#e6eaf2; --line-soft:#f0f3f9;
  --tx:#1a2233; --tx-1:#1a2233; --tx-2:#5b6779; --tx-3:#8b97a8;
  --red:#dc2626; --red-soft:#fef2f2; --green:#16a34a; --green-soft:#f0fdf4;
  --amber:#d97706; --amber-soft:#fffbeb; --violet:#7c3aed; --violet-soft:#f5f3ff;
  --teal:#0d9488; --teal-soft:#f0fdfa;
  --radius:14px; --radius-s:10px;
  --shadow:0 1px 3px rgba(20,30,60,.06),0 6px 20px rgba(20,30,60,.05);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg); color:var(--tx); font-size:14px; line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
button,input,select,textarea{font-family:inherit;font-size:14px}
button{cursor:pointer;border:none;background:none;color:inherit}
input,select,textarea{width:100%;padding:9px 12px;border:1px solid var(--line);
  border-radius:var(--radius-s);background:#fff;color:var(--tx);outline:none;transition:border-color .15s,box-shadow .15s}
input:focus,select:focus,textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(37,99,235,.1)}
::placeholder{color:var(--tx-3)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:#d4dae6;border-radius:8px;border:2px solid transparent;background-clip:content-box}
::-webkit-scrollbar-thumb:hover{background:#bcc5d6;background-clip:content-box}

/* ---------------- 布局 ---------------- */
.app{display:flex;min-height:100vh}
.sidebar{
  width:216px;flex:0 0 216px;background:#fff;border-right:1px solid var(--line);
  padding:18px 12px;position:sticky;top:0;height:100vh;overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:10px;padding:4px 8px 18px}
.brand .logo{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--teal));
  display:flex;align-items:center;justify-content:center;flex:0 0 34px}
.brand h1{font-size:13px;margin:0;font-weight:650;line-height:1.35}
.brand p{margin:1px 0 0;font-size:11px;color:var(--tx-3)}
.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-s);
  color:var(--tx-2);font-size:13.5px;font-weight:500;width:100%;text-align:left;transition:.15s;margin-bottom:2px}
.nav-item:hover{background:var(--line-soft);color:var(--tx)}
.nav-item.on{background:var(--brand);color:#fff;font-weight:600;box-shadow:0 3px 10px rgba(37,99,235,.28)}
.nav-item.on svg{stroke:#fff}
.nav-item svg{flex:0 0 17px;stroke:var(--tx-3)}
.nav-item .badge{margin-left:auto;font-size:11px;background:var(--line-soft);color:var(--tx-2);
  padding:1px 7px;border-radius:20px;font-weight:600}
.nav-item.on .badge{background:rgba(255,255,255,.22);color:#fff}
.nav-sec{font-size:11px;color:var(--tx-3);padding:14px 12px 6px;font-weight:600;letter-spacing:.5px}
.main{flex:1;min-width:0;padding:20px 22px 40px}
.topbar{display:flex;align-items:center;gap:10px;margin-bottom:16px;flex-wrap:wrap}
.topbar h2{font-size:19px;margin:0;font-weight:680;flex:1;min-width:140px}
.sync{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;padding:5px 10px;
  border-radius:20px;background:#fff;border:1px solid var(--line);color:var(--tx-2);white-space:nowrap}
.sync .dot{width:6px;height:6px;border-radius:50%;background:var(--green)}
.sync.load .dot{background:var(--amber);animation:bl 1s infinite}
.sync.off .dot{background:var(--red)}
@keyframes bl{50%{opacity:.3}}

/* ---------------- 通用组件 ---------------- */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);margin-bottom:16px;overflow:hidden}
.card-h{display:flex;align-items:center;gap:10px;padding:13px 16px;border-bottom:1px solid var(--line-soft)}
.card-h h3{margin:0;font-size:14.5px;font-weight:650;flex:1;display:flex;align-items:center;gap:8px}
.card-b{padding:16px}
.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 15px;border-radius:var(--radius-s);
  font-size:13.5px;font-weight:550;background:var(--brand);color:#fff;transition:.15s;min-height:38px;
  border:1px solid var(--brand);white-space:nowrap}
.btn:hover{background:var(--brand-deep);border-color:var(--brand-deep);color:#fff}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.ghost{background:#fff;color:var(--tx-2);border:1px solid var(--line)}
.btn.ghost:hover{background:var(--line-soft);color:var(--tx);border-color:var(--line)}
.btn.danger{background:var(--red);border-color:var(--red);color:#fff}
.btn.danger:hover{background:#b91c1c;border-color:#b91c1c;color:#fff}
.btn.dline{background:#fff;color:var(--red);border:1px solid #f2cccc}
.btn.dline:hover{background:var(--red-soft);border-color:#eeb8b8;color:var(--red)}
.btn.sm{padding:6px 11px;font-size:12.5px;min-height:32px}
.btn.block{width:100%;justify-content:center}
.chip{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:20px;
  font-size:12px;background:var(--line-soft);color:var(--tx-2);font-weight:500;border:1px solid transparent;cursor:pointer}
.chip:hover{background:#e8edf6}
.chip.on{background:var(--brand-soft);color:var(--brand-deep);border-color:#cfe0ff;font-weight:600}
.chip.blue{background:var(--brand-soft);color:var(--brand-deep)}
.chip.red{background:var(--red-soft);color:var(--red)}
.chip.green{background:var(--green-soft);color:var(--green)}
.chip.amber{background:var(--amber-soft);color:var(--amber)}
.chip.violet{background:var(--violet-soft);color:var(--violet)}
.muted{color:var(--tx-3)}
.mini{font-size:12px;color:var(--tx-3)}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
.hide{display:none!important}
.tag{display:inline-block;padding:1px 8px;border-radius:6px;font-size:11.5px;background:var(--line-soft);color:var(--tx-2)}
.tag.warn{background:var(--amber-soft);color:var(--amber)}
.tag.dup{background:var(--red-soft);color:var(--red)}
.engine-pill{font-size:11.5px;padding:3px 9px;border-radius:20px;border:1px solid var(--line);color:var(--tx-3);background:#fff}
.engine-pill.ok{border-color:#c3e9d4;background:var(--green-soft);color:var(--green)}
.engine-pill.bad{border-color:#f0d2d2;background:var(--red-soft);color:var(--red)}
.hint{font-size:11.5px;color:var(--tx-3);margin-top:5px;line-height:1.6}
.hint .el{display:inline-block;min-width:46px;color:var(--brand);font-variant-numeric:tabular-nums;font-weight:600}
.hint .el.done{color:var(--teal);min-width:46px}
#fileLog .hint{margin-top:2px}
.note-box{background:var(--brand-soft);border:1px solid #d7e4ff;border-radius:var(--radius-s);padding:10px 12px;font-size:12.5px;color:#27478f}
.warn-box{background:var(--amber-soft);border:1px solid #f6dfae;border-radius:var(--radius-s);padding:10px 12px;font-size:12.5px;color:#8a5a08}
.divider{height:1px;background:var(--line-soft);margin:16px 0}
.section-title{font-size:13px;font-weight:650;margin:4px 0 8px;color:var(--tx-2)}
.empty{padding:44px 16px;text-align:center;color:var(--tx-3);font-size:13px}
.empty b{display:block;font-size:15px;color:var(--tx-2);margin-bottom:6px}

/* ---------------- 统计卡片 ---------------- */
.kpis{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));margin-bottom:16px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);
  padding:14px 16px;position:relative;overflow:hidden}
.kpi .k-bar{position:absolute;left:0;top:0;bottom:0;width:3px}
.k-blue .k-bar{background:var(--brand)}
.k-teal .k-bar{background:var(--teal)}
.k-amber .k-bar{background:var(--amber)}
.k-purple .k-bar{background:var(--violet)}
.kpi .k-label{font-size:12.5px;color:var(--tx-3);display:flex;align-items:center;gap:6px}
.kpi .k-val{font-size:23px;font-weight:700;margin-top:4px;letter-spacing:.2px;font-variant-numeric:tabular-nums}
.kpi .k-sub{font-size:12px;color:var(--tx-3);margin-top:2px}

/* ---------------- 筛选 ---------------- */
.filters{padding:14px 16px;display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end}
.field{display:flex;flex-direction:column;gap:5px}
.field>label{font-size:12.5px;color:var(--tx-2);font-weight:600}
.field input,.field select{width:auto}
.w-110{width:110px}.w-130{width:130px}.w-150{width:150px}.w-170{width:170px}
.w-200{width:200px}.w-260{width:260px}

/* ---------------- 图表 ---------------- */
.charts{display:grid;grid-template-columns:1.55fr 1fr;gap:16px;margin-bottom:16px}
@media (max-width:1180px){.charts{grid-template-columns:1fr}}
.chart-card{padding:14px 16px 10px;margin-bottom:0}
.chart-card.wide{grid-column:1/-1}
.chart-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:6px;gap:10px}
.chart-title{font-size:14.5px;font-weight:650}
.chart-note{font-size:12px;color:var(--tx-3)}
.chart-body{width:100%;overflow:visible}

/* ---------------- 表格 ---------------- */
.panel{margin-bottom:16px}
.panel-head{display:flex;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid var(--line-soft);flex-wrap:wrap}
.panel-head .title{font-size:14.5px;font-weight:650}
.panel-head .count{font-size:12.5px;color:var(--tx-3)}
.tw{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.grid{width:100%;border-collapse:collapse;font-size:13px}
table.grid th,table.grid td{padding:9px 11px;text-align:left;border-bottom:1px solid var(--line-soft);white-space:nowrap}
table.grid th{font-size:11.5px;font-weight:600;color:var(--tx-2);background:#fafbfe;position:sticky;top:0;z-index:1}
table.grid thead th.sortable{cursor:pointer}
table.grid thead th.sortable:hover{color:var(--brand)}
table.grid thead th .arrow{color:var(--brand);font-size:10px}
table.grid tbody tr:hover{background:#fafbfe}
table.grid tbody tr.sel{background:var(--brand-soft)}
table.grid tfoot tr.sum-row td{background:#fbfcff;border-top:2px solid var(--line);border-bottom:none}
/* 采集明细表：三级层级行 */
table.grid tbody tr.lvl-b td{background:#f7f9fd;font-weight:600}
table.grid tbody tr.lvl-i td{background:#fcfdff}
table.grid tbody tr.lvl-d td{color:var(--tx-2);font-size:12.5px}
table.prev tbody tr.lvl-b td{background:#f7f9fd;font-weight:600}
table.prev tbody tr.lvl-i td{background:#fff}
table.prev tfoot tr.sum-row td{background:#fbfcff;border-top:2px solid var(--line);border-bottom:none;font-weight:600}
.tw-btn{width:20px;height:20px;line-height:1;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:#fff;border-radius:5px;color:var(--tx-2);font-size:10px;padding:0;cursor:pointer}
.tw-btn:hover{border-color:var(--brand);color:var(--brand)}
table.grid tr.lvl-b,table.grid tr.lvl-i{cursor:pointer}
table.grid td.num{text-align:right;font-variant-numeric:tabular-nums}
table.grid td .ellip{display:block;max-width:230px;overflow:hidden;text-overflow:ellipsis}
table.grid td.muted{color:var(--tx-3)}
.rowbtns{display:flex;gap:6px}
.pager{display:flex;align-items:center;gap:8px;padding:11px 16px;border-top:1px solid var(--line-soft);flex-wrap:wrap}
.pager .info{color:var(--tx-3);font-size:12.5px}
.spacer{flex:1}
.foot-note{margin-top:8px;text-align:center;font-size:12px;color:var(--tx-3);line-height:1.7}

/* ---------------- 弹层 / 抽屉 ---------------- */
.mask{position:fixed;inset:0;background:rgba(18,26,42,.42);z-index:60;display:flex;
  align-items:flex-start;justify-content:center;padding:40px 16px;overflow:auto}
.modal{background:#fff;border-radius:16px;box-shadow:0 18px 48px rgba(20,30,60,.22);
  width:100%;max-width:1000px;overflow:hidden;animation:pop .18s ease-out;margin:auto 0}
.modal.narrow{max-width:420px}
@keyframes pop{from{transform:translateY(8px) scale(.99);opacity:0}to{transform:none;opacity:1}}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:15px 18px;border-bottom:1px solid var(--line)}
.modal-head h3{margin:0;font-size:15.5px;font-weight:660}
.modal-body{padding:16px 18px;max-height:calc(100vh - 230px);overflow:auto}
.modal-foot{display:flex;gap:9px;justify-content:flex-end;align-items:center;padding:13px 18px;
  border-top:1px solid var(--line);background:#fcfdff}
.modal-foot .btn{min-height:38px}
.x{border:none;background:none;font-size:20px;line-height:1;color:var(--tx-3);cursor:pointer;padding:2px 6px;border-radius:6px}
.x:hover{background:var(--line-soft);color:var(--tx)}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:14px}
.tabs .tab{padding:8px 13px;font-size:13.5px;border:none;background:transparent;color:var(--tx-3);
  border-bottom:2px solid transparent;cursor:pointer;font-weight:500}
.tabs .tab.on{color:var(--brand);border-bottom-color:var(--brand)}
.tabs .tab:hover{color:var(--tx)}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.form-grid .full{grid-column:1/-1}
.form-grid .field{margin-bottom:0}
.form-grid input,.form-grid select,.form-grid textarea{width:100%}

/* 导入拖拽 & 预览 */
.drop{border:1.5px dashed #d5dced;border-radius:12px;padding:24px 16px;text-align:center;background:#fbfdff;transition:.15s;cursor:pointer}
.drop:hover,.drop.over{border-color:var(--brand);background:var(--brand-soft)}
.drop .big{font-size:14.5px;font-weight:600;margin-bottom:4px}
.drop .small{color:var(--tx-3);font-size:12.5px}
.progress{height:7px;border-radius:5px;background:#eef2f7;overflow:hidden;margin-top:10px}
.progress>i{display:block;height:100%;background:linear-gradient(90deg,#3b82f6,var(--brand-deep));width:0;transition:width .2s}
.map-row{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end}
.map-cell{display:flex;flex-direction:column;gap:4px}
.map-cell .src{font-size:12px;background:var(--line-soft);padding:4px 8px;border-radius:6px;
  max-width:170px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--tx-2)}
.map-cell select{min-width:130px;width:auto}
.preview-table-wrap{max-height:380px;overflow:auto;border:1px solid var(--line-soft);border-radius:10px}
table.prev{width:100%;border-collapse:separate;border-spacing:0;font-size:12.5px}
table.prev th{position:sticky;top:0;background:#f6f8fb;padding:7px 9px;font-size:11.5px;font-weight:600;
  color:var(--tx-2);border-bottom:1px solid var(--line);white-space:nowrap;z-index:1}
table.prev td{padding:4px 8px;border-bottom:1px solid var(--line-soft)}
table.prev input{padding:4px 7px;font-size:12.5px;min-width:70px}
table.prev td.num input{text-align:right}
table.prev tr.dup-row{background:#fff5f5}

/* ---------------- toast ---------------- */
#toasts{position:fixed;right:18px;bottom:18px;z-index:300;display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.toast{background:#1a2233;color:#fff;padding:10px 14px;border-radius:var(--radius-s);font-size:13px;
  box-shadow:0 10px 30px rgba(20,30,60,.28);display:flex;align-items:center;gap:12px;animation:slidein .2s ease-out}
.toast.ok{background:#0f7a52}
.toast.err{background:#b91c1c}
.toast button{background:rgba(255,255,255,.18);border:none;color:#fff;padding:3px 10px;border-radius:6px;font-size:12.5px}
.toast button:hover{background:rgba(255,255,255,.3)}
@keyframes slidein{from{transform:translateX(20px);opacity:0}to{transform:none;opacity:1}}

/* ---------------- 登录 ---------------- */
.auth-layer{position:fixed;inset:0;z-index:200;background:linear-gradient(135deg,#f5f8ff 0%,#f2f7f6 100%);
  display:flex;align-items:center;justify-content:center;padding:24px 16px;overflow:auto}
.auth-card{width:100%;max-width:388px;background:#fff;border:1px solid var(--line);
  border-radius:16px;box-shadow:var(--shadow);padding:26px 24px 22px}
.auth-brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700}
.auth-brand .logo{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--teal));
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;flex:0 0 34px}
.auth-sub{color:var(--tx-3);font-size:12.5px;margin:8px 0 18px;line-height:1.7}
.auth-tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:14px}
.auth-tab{border:none;background:transparent;padding:8px 12px;font-size:13.5px;color:var(--tx-3);
  border-bottom:2px solid transparent;cursor:pointer;font-weight:500;font-family:inherit}
.auth-tab.on{color:var(--brand);border-bottom-color:var(--brand)}
.auth-modes{display:flex;gap:6px;margin-bottom:12px;flex-wrap:wrap}
.auth-chip{border:1px solid var(--line);background:#fff;border-radius:20px;padding:4px 11px;font-size:12.5px;
  color:var(--tx-2);cursor:pointer;font-family:inherit}
.auth-chip.on{background:var(--brand-soft);border-color:#cfe0ff;color:var(--brand-deep);font-weight:600}
.auth-label{display:block;font-size:12px;color:var(--tx-3);margin:10px 0 5px;font-weight:600}
.auth-err{color:var(--red);font-size:12px;margin-top:5px;display:none}
.auth-row{display:flex;gap:8px;align-items:center}
.auth-row input{flex:1}
.btn.wx{width:100%;justify-content:center;padding:10px 14px;font-size:14px;background:#07c160;border-color:#07c160;color:#fff}
.btn.wx:hover{background:#06ad56;border-color:#06ad56;color:#fff}
.auth-msg{font-size:12.5px;margin-top:12px;min-height:18px;color:var(--tx-3);line-height:1.6}
.auth-msg.err{color:var(--red)}
.auth-msg.ok{color:var(--teal)}
.auth-wechat{position:relative;text-align:center;margin:16px 0 12px;border-top:1px solid var(--line-soft)}
.auth-wechat .l{position:relative;top:-9px;background:#fff;padding:0 10px;font-size:12px;color:var(--tx-3)}
.auth-foot{margin-top:14px;font-size:11.5px;color:var(--tx-3);text-align:center;line-height:1.7}
.user-chip{display:flex;align-items:center;gap:7px;padding:4px 6px 4px 11px;border:1px solid var(--line);
  border-radius:20px;font-size:12.5px;color:var(--tx-2);background:#fff;white-space:nowrap}
.user-chip .dot{width:6px;height:6px;border-radius:50%;background:var(--green)}
.user-chip button{padding:2px 8px;font-size:12px;min-height:26px}

/* ---------------- 移动端 ---------------- */
.menu-btn{display:none;width:36px;height:36px;flex:0 0 36px;align-items:center;justify-content:center;
  border:1px solid var(--line);background:#fff;border-radius:var(--radius-s);color:var(--tx-2)}
.menu-btn:hover{background:var(--line-soft);color:var(--tx)}
.nav-mask{display:none;position:fixed;inset:0;background:rgba(18,26,42,.35);z-index:110}
.nav-mask.on{display:block}
.main>.topbar{position:relative;z-index:inherit}

@media (max-width:860px){
  .menu-btn{display:inline-flex}
  .sidebar{
    display:block;position:fixed;left:0;top:0;bottom:0;z-index:120;height:100vh;
    transform:translateX(-100%);transition:transform .22s ease;box-shadow:0 10px 30px rgba(20,30,60,.18);
  }
  .sidebar.open{transform:none}
  .main{padding:14px 12px 30px}
  .kpis{grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}
  .card-h{flex-wrap:wrap}
  .filters .field>input,.filters .field>select{width:100%}
  .filters .field{flex:1 1 140px}
}