:root{
  --bg:#f4f6fa; --panel:#ffffff; --line:#e3e8f0; --line-strong:#cfd8e6;
  --text:#1b2333; --muted:#6b7789; --brand:#2f6fed; --brand-dark:#1f56c9;
  --ok:#12a15a; --warn:#d98314; --danger:#d9453d; --shadow:0 2px 12px rgba(24,43,80,.07);
  --radius:10px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font:14px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
.hidden{display:none !important}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--brand);text-decoration:none}

/* ---------- 登录页 ---------- */
.login-body{display:grid;place-items:center;background:linear-gradient(135deg,#eef3ff 0%,#f7f9fc 45%,#eaf1fb 100%)}
.login-wrap{width:100%;padding:24px}
.login-card{max-width:420px;margin:0 auto;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:32px 28px;box-shadow:0 12px 40px rgba(24,43,80,.10)}
.brand{display:flex;gap:14px;align-items:center;margin-bottom:22px}
.brand-logo{width:46px;height:46px;flex:0 0 46px;border-radius:12px;background:linear-gradient(135deg,var(--brand),#5a92ff);color:#fff;display:grid;place-items:center;font-size:20px;font-weight:700}
.brand h1{font-size:17px;margin:0}
.brand p{margin:2px 0 0;color:var(--muted);font-size:12px}
.form label{display:block;margin-bottom:14px;font-size:13px;color:var(--muted)}
.form input{display:block;width:100%;margin-top:6px;padding:11px 12px;border:1px solid var(--line-strong);border-radius:8px;background:#fbfcfe;transition:.15s}
.form input:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(47,111,237,.12)}
.btn{border:1px solid var(--line-strong);background:#fff;padding:9px 16px;border-radius:8px;cursor:pointer;transition:.15s;white-space:nowrap}
.btn:hover{border-color:var(--brand);color:var(--brand)}
.btn:disabled{opacity:.6;cursor:not-allowed}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff}
.btn-block{width:100%;margin-top:6px;padding:11px}
.btn-ghost{background:transparent;border-color:transparent;color:var(--muted)}
.btn-ghost:hover{background:#eef3ff;color:var(--brand)}
.btn-danger{border-color:#f2c4c1;color:var(--danger)}
.btn-danger:hover{background:#fdf1f0;border-color:var(--danger);color:var(--danger)}
.btn-sm{padding:5px 10px;font-size:12.5px;border-radius:6px}
.wecom-box{margin-bottom:18px}
.hint{color:var(--muted);font-size:12px;margin:10px 0 0;line-height:1.5}
.divider{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:12px;margin:18px 0}
.divider::before,.divider::after{content:"";height:1px;background:var(--line);flex:1}
.err{color:var(--danger);font-size:13px;margin:10px 0 0;background:#fdf1f0;border:1px solid #f6d6d4;border-radius:8px;padding:9px 11px}
.foot{text-align:center;color:#9aa6b8;font-size:11.5px;margin:20px 0 0}

/* ---------- 主框架 ---------- */
.layout{display:grid;grid-template-columns:220px 1fr;min-height:100vh}
.sidebar{background:#151d2e;color:#c8d3e6;display:flex;flex-direction:column;padding:16px 12px;position:sticky;top:0;height:100vh}
.sb-brand{display:flex;gap:10px;align-items:center;padding:4px 6px 18px;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:14px}
.sb-brand .brand-logo{width:34px;height:34px;flex:0 0 34px;border-radius:9px;font-size:15px}
.sb-brand b{color:#fff;font-size:14px;display:block;line-height:1.3}
.sb-brand span{font-size:11px;color:#8797b3}
.nav{display:flex;flex-direction:column;gap:2px;overflow-y:auto;flex:1}
.nav button{display:flex;align-items:center;gap:10px;width:100%;text-align:left;background:none;border:0;color:#c8d3e6;padding:10px 12px;border-radius:8px;cursor:pointer;transition:.15s}
.nav button:hover{background:rgba(255,255,255,.07);color:#fff}
.nav button.active{background:var(--brand);color:#fff;font-weight:500}
.nav .ico{width:17px;text-align:center;opacity:.9;font-size:14px}
.sb-foot{padding-top:12px;border-top:1px solid rgba(255,255,255,.08);font-size:12px;color:#8797b3}
.sb-user{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px}
.sb-user b{color:#fff;font-weight:500}

.main{min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:14px 22px;background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;flex-wrap:wrap}
.topbar h2{margin:0;font-size:16.5px}
.topbar .sub{color:var(--muted);font-size:12px;margin-top:2px}
.tools{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.tools input[type=search],.tools input[type=text],.tools select{padding:7px 10px;border:1px solid var(--line-strong);border-radius:8px;background:#fff;min-width:130px}
.tools input[type=search]{min-width:190px}
.content{padding:20px 22px 60px;flex:1;min-width:0}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:20px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.card .k{color:var(--muted);font-size:12px;margin-bottom:6px}
.card .v{font-size:21px;font-weight:600;letter-spacing:-.2px;font-variant-numeric:tabular-nums}
.card .v.sm{font-size:17px}
.card .d{color:var(--muted);font-size:11.5px;margin-top:4px}

.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:18px;overflow:hidden}
.panel-head{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:13px 16px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.panel-head h3{margin:0;font-size:14.5px}
.panel-head .sub{color:var(--muted);font-size:12px}
.panel-body{padding:16px}
.table-scroll{overflow:auto;max-height:none}
table.data{width:100%;border-collapse:collapse;font-size:13px;white-space:nowrap}
table.data th,table.data td{padding:9px 12px;border-bottom:1px solid var(--line);text-align:left}
table.data thead th{background:#f7f9fd;color:#4d5c73;font-weight:600;font-size:12.5px;position:sticky;top:0;z-index:1;border-bottom:1px solid var(--line-strong)}
table.data tbody tr:hover{background:#f8fbff}
table.data td.num,table.data th.num{text-align:right;font-variant-numeric:tabular-nums}
table.data td.wrap{white-space:normal;min-width:180px;max-width:380px}
table.data .row-total{font-weight:600;background:#f7f9fd}
.neg{color:var(--danger)}
.pos{color:var(--ok)}
.overdue{color:var(--danger);font-weight:600}
.empty{color:var(--muted);text-align:center;padding:36px 12px}
.tag{display:inline-block;padding:1px 8px;border-radius:20px;font-size:11.5px;border:1px solid var(--line-strong);color:var(--muted);background:#f7f9fd}
.tag.ok{color:var(--ok);border-color:#bfe3ce;background:#f1fbf5}
.tag.warn{color:var(--warn);border-color:#f2dcb6;background:#fdf8ee}
.tag.danger{color:var(--danger);border-color:#f2c4c1;background:#fdf1f0}
.bar{height:6px;border-radius:4px;background:#eef1f6;overflow:hidden;margin-top:5px}
.bar>i{display:block;height:100%;background:linear-gradient(90deg,#f0a33a,#d9453d)}

/* ---------- 弹窗 ---------- */
.modal{position:fixed;inset:0;background:rgba(16,24,40,.45);display:grid;place-items:center;z-index:100;padding:20px}
.modal-card{background:#fff;border-radius:14px;width:min(880px,100%);max-height:88vh;display:flex;flex-direction:column;box-shadow:0 24px 60px rgba(16,24,40,.28)}
.modal-head{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--line)}
.modal-head h3{margin:0;font-size:15.5px}
.modal-body{padding:20px;overflow:auto}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;padding:14px 20px;border-top:1px solid var(--line)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.field label{display:block;font-size:12px;color:var(--muted);margin-bottom:5px}
.field input,.field select,.field textarea{width:100%;padding:9px 11px;border:1px solid var(--line-strong);border-radius:8px;background:#fbfcfe}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(47,111,237,.12)}
.field textarea{min-height:70px;resize:vertical}

.dropzone{border:2px dashed var(--line-strong);border-radius:12px;padding:26px;text-align:center;color:var(--muted);background:#fbfcfe;cursor:pointer;transition:.15s}
.dropzone:hover,.dropzone.over{border-color:var(--brand);background:#f2f7ff;color:var(--brand)}
.dropzone b{color:var(--text);display:block;margin-bottom:4px}
.progress{height:6px;background:#eef1f6;border-radius:4px;overflow:hidden;margin-top:12px}
.progress>i{display:block;height:100%;width:0;background:var(--brand);transition:width .2s}
.filelist{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.fileitem{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:#fff}
.fileitem .meta{min-width:0}
.fileitem .meta b{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:500}
.fileitem .meta span{color:var(--muted);font-size:11.5px}
.toast{position:fixed;right:20px;bottom:20px;z-index:200;display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.toast>div{background:#1f2a3d;color:#fff;padding:11px 15px;border-radius:9px;box-shadow:0 10px 26px rgba(0,0,0,.22);font-size:13px;animation:slideIn .2s ease;max-width:420px}
.toast>div.ok{background:#12a15a}
.toast>div.err{background:#d9453d}
.toast>div.warn{background:#d98314}
@keyframes slideIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;display:inline-block;animation:spin .7s linear infinite;vertical-align:-3px;margin-right:6px}
@keyframes spin{to{transform:rotate(360deg)}}
.muted{color:var(--muted)}
.mono{font-variant-numeric:tabular-nums}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{padding:5px 12px;border:1px solid var(--line-strong);border-radius:20px;background:#fff;cursor:pointer;font-size:12.5px;transition:.15s}
.chip:hover{border-color:var(--brand);color:var(--brand)}
.chip.active{background:var(--brand);border-color:var(--brand);color:#fff}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin-top:10px}
.legend i{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:5px;vertical-align:-1px}

@media (max-width:900px){
  .layout{grid-template-columns:1fr}
  .sidebar{position:static;height:auto}
  .nav{flex-direction:row;overflow-x:auto;padding-bottom:6px}
  .nav button{white-space:nowrap}
  .grid2,.grid3{grid-template-columns:1fr}
  .content{padding:14px}
}