:root{
  --bg:#ffffff;
  --surface:#f6f8fb;
  --surface-2:#eef2f7;
  --border:#e1e7ee;
  --ink:#152233;
  --ink-2:#5c6b7a;
  --ink-3:#8695a4;
  --blue:#1e4c82;
  --blue-strong:#0f3459;
  --blue-bg:#e3ecf7;
  --orange:#d9711f;
  --orange-bg:#fbe8d6;
  --shadow:0 1px 2px rgba(16,32,52,.06),0 1px 1px rgba(16,32,52,.04);
  --region-1:#0f3459;
  --region-2:#1e4c82;
  --region-3:#2f6bb0;
  --region-4:#4a86c8;
  --region-5:#6ea3d8;
  --region-6:#9dc0e6;
  --region-7:#c7dcf1;
  --region-8:#d9711f;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#0b141d;
    --surface:#111c28;
    --surface-2:#16222f;
    --border:#243343;
    --ink:#e8eef4;
    --ink-2:#93a4b5;
    --ink-3:#5f7183;
    --blue:#6ea8e0;
    --blue-strong:#9cc4ec;
    --blue-bg:#16324e;
    --orange:#f0925a;
    --orange-bg:#4a2c14;
    --shadow:0 1px 3px rgba(0,0,0,.5);
    --region-1:#cbdcee;
    --region-2:#a8c8e0;
    --region-3:#86b3d3;
    --region-4:#6b9bc4;
    --region-5:#5183b3;
    --region-6:#3a6797;
    --region-7:#274a6b;
    --region-8:#f0925a;
  }
}
:root[data-theme="dark"]{
  --bg:#0b141d;
  --surface:#111c28;
  --surface-2:#16222f;
  --border:#243343;
  --ink:#e8eef4;
  --ink-2:#93a4b5;
  --ink-3:#5f7183;
  --blue:#6ea8e0;
  --blue-strong:#9cc4ec;
  --blue-bg:#16324e;
  --orange:#f0925a;
  --orange-bg:#4a2c14;
  --shadow:0 1px 3px rgba(0,0,0,.5);
  --region-1:#cbdcee;
  --region-2:#a8c8e0;
  --region-3:#86b3d3;
  --region-4:#6b9bc4;
  --region-5:#5183b3;
  --region-6:#3a6797;
  --region-7:#274a6b;
  --region-8:#f0925a;
}
:root[data-theme="light"]{
  --bg:#ffffff;
  --surface:#f6f8fb;
  --surface-2:#eef2f7;
  --border:#e1e7ee;
  --ink:#152233;
  --ink-2:#5c6b7a;
  --ink-3:#8695a4;
  --blue:#1e4c82;
  --blue-strong:#0f3459;
  --blue-bg:#e3ecf7;
  --orange:#d9711f;
  --orange-bg:#fbe8d6;
  --shadow:0 1px 2px rgba(16,32,52,.06),0 1px 1px rgba(16,32,52,.04);
  --region-1:#0f3459;
  --region-2:#1e4c82;
  --region-3:#2f6bb0;
  --region-4:#4a86c8;
  --region-5:#6ea3d8;
  --region-6:#9dc0e6;
  --region-7:#c7dcf1;
  --region-8:#d9711f;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,"Segoe UI",Roboto,"PingFang TC","Microsoft JhengHei",Helvetica,Arial,sans-serif;
  font-variant-numeric:tabular-nums;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
.page{max-width:1240px;margin:0 auto;padding:0 24px 64px;}

.tab-bar{display:flex;gap:8px;padding-top:22px;border-bottom:1px solid var(--border);}
.tab-link{
  display:inline-block;padding:8px 6px;margin-bottom:-1px;
  font-size:13.5px;font-weight:600;color:var(--ink-2);text-decoration:none;
  border-bottom:2px solid transparent;
}
.tab-link:hover{color:var(--blue);}
.tab-link.active{color:var(--blue-strong);border-bottom-color:var(--blue);}

.top-bar{padding-top:14px;}
.top-bar-inner{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;
  padding-bottom:18px;border-bottom:2px solid var(--blue-strong);
}
.eyebrow{
  margin:0 0 4px;font-size:12px;letter-spacing:.08em;font-weight:600;
  color:var(--blue);text-transform:uppercase;
}
.title-block h1{margin:0;font-size:28px;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.meta-block{display:flex;gap:28px;flex-wrap:wrap;}
.meta-item{display:flex;flex-direction:column;gap:2px;text-align:right;}
.meta-label{font-size:11px;color:var(--ink-3);text-transform:uppercase;letter-spacing:.06em;}
.meta-value{font-size:14px;font-weight:600;color:var(--ink);}

.demo-banner{
  margin-top:14px;padding:9px 14px;border-radius:6px;
  background:var(--orange-bg);color:var(--blue-strong);
  font-size:13px;font-weight:600;border:1px solid var(--orange);
}
.pending-banner{
  margin-top:10px;padding:9px 14px;border-radius:6px;
  background:var(--surface-2);color:var(--ink-2);font-size:13px;
  border:1px solid var(--border);
}
.pending-banner b{color:var(--orange);font-weight:700;}
.update-notice{
  margin-top:10px;padding:9px 14px;border-radius:6px;
  background:var(--surface-2);color:var(--ink-2);font-size:13px;font-weight:600;
  border:1px solid var(--border);
}

/* upload panel */
.upload-panel{
  margin-top:20px;background:var(--surface);border:1px solid var(--border);border-radius:10px;
  padding:18px 20px;box-shadow:var(--shadow);
}
.upload-head{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px;margin-bottom:12px;}
.upload-head h2{margin:0;font-size:14px;font-weight:700;color:var(--ink);}
.upload-status{font-size:12.5px;color:var(--ink-2);font-weight:600;}
.dropzone{
  display:flex;align-items:center;gap:14px;border:1.5px dashed var(--border);border-radius:8px;
  padding:18px;cursor:pointer;transition:border-color .15s,background .15s;
}
.dropzone:hover,.dropzone.dragging{border-color:var(--blue);background:var(--blue-bg);}
.dropzone-icon{font-size:22px;color:var(--blue);flex:0 0 auto;}
.dropzone-text{display:flex;flex-direction:column;gap:2px;}
.dropzone-text strong{font-size:13.5px;color:var(--ink);}
.dropzone-text span{font-size:12px;color:var(--ink-2);}
.upload-actions{display:flex;justify-content:flex-end;margin-top:10px;}
.upload-error{
  margin:10px 0 0;padding:9px 12px;border-radius:6px;background:var(--orange-bg);color:var(--blue-strong);
  font-size:12.5px;font-weight:600;border:1px solid var(--orange);
}

main{padding-top:28px;display:flex;flex-direction:column;gap:40px;}

.kpi-row{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.kpi-card{
  background:var(--surface);border:1px solid var(--border);border-radius:10px;
  padding:18px 20px;box-shadow:var(--shadow);
}
.kpi-label{margin:0 0 8px;font-size:12.5px;color:var(--ink-2);font-weight:600;}
.kpi-value{margin:0;font-size:30px;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.kpi-delta{margin:8px 0 0;font-size:13px;font-weight:600;}

.kpi-row-floors{grid-template-columns:repeat(7,1fr);gap:10px;}
.kpi-row-floors .kpi-card{padding:12px 14px;}
.kpi-row-floors .kpi-label{margin-bottom:6px;font-size:11px;}
.kpi-row-floors .kpi-value{font-size:19px;}
.kpi-row-floors .kpi-delta{margin-top:6px;font-size:11px;}

.delta-up{color:var(--blue);}
.delta-down{color:var(--orange);}
.delta-flat{color:var(--ink-3);}
.delta-note{font-size:12px;color:var(--ink-3);margin:6px 0 0;}

.module-title{
  display:flex;align-items:baseline;gap:10px;margin:0 0 16px;
  font-size:18px;font-weight:700;color:var(--ink);
}
.module-eyebrow{
  font-size:12px;font-weight:700;color:var(--blue);
  border:1px solid var(--blue);border-radius:999px;padding:2px 9px;
  letter-spacing:.04em;
}

.chart-grid{display:grid;gap:16px;margin-bottom:16px;}
.chart-grid.two-col{grid-template-columns:1fr 1fr;}
.chart-card{
  background:var(--surface);border:1px solid var(--border);border-radius:10px;
  padding:16px 18px 18px;box-shadow:var(--shadow);
}
.chart-card h3{margin:0 0 12px;font-size:14px;font-weight:600;color:var(--ink);}
.chart-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px;}
.chart-card-head h3{margin:0;}
.chart-wrap{position:relative;height:260px;}
.chart-wrap.wide{height:220px;}
.chart-wrap.tall{height:320px;}

.select-control{
  font-size:12.5px;border:1px solid var(--border);border-radius:6px;
  padding:5px 8px;background:var(--bg);color:var(--ink);font-family:inherit;
}

.table-scroll{overflow-x:auto;}
.data-table{width:100%;border-collapse:collapse;font-size:13px;}
.data-table th,.data-table td{padding:8px 10px;text-align:left;white-space:nowrap;}
.data-table thead th{
  font-size:11.5px;text-transform:uppercase;letter-spacing:.03em;color:var(--ink-3);
  border-bottom:1px solid var(--border);cursor:pointer;user-select:none;
}
.data-table thead th.num,.data-table td.num{text-align:right;}
.data-table thead th:hover{color:var(--blue);}
.data-table tbody tr{border-bottom:1px solid var(--surface-2);}
.data-table tbody tr:hover{background:var(--surface-2);}
.data-table td{color:var(--ink);}
.data-table td.region-name{display:flex;align-items:center;gap:8px;}
.swatch{width:9px;height:9px;border-radius:2px;flex:0 0 auto;}

.detail-controls{
  display:flex;flex-wrap:wrap;align-items:center;gap:20px;margin-bottom:14px;
  padding:14px 16px;background:var(--surface);border:1px solid var(--border);border-radius:10px;
}
.control-group{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.control-label{font-size:12px;color:var(--ink-3);text-transform:uppercase;letter-spacing:.05em;font-weight:600;}
.segmented{display:flex;border:1px solid var(--border);border-radius:7px;overflow:hidden;}
.segmented button{
  border:none;background:var(--bg);color:var(--ink-2);font-size:12.5px;font-weight:600;
  padding:6px 13px;cursor:pointer;font-family:inherit;
}
.segmented button + button{border-left:1px solid var(--border);}
.segmented button.active{background:var(--blue);color:#fff;}

.chip-group{display:flex;flex-wrap:wrap;gap:6px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:999px;
  border:1px solid var(--border);background:var(--bg);color:var(--ink-2);
  font-size:12px;font-weight:600;cursor:pointer;font-family:inherit;
}
.chip.active{background:var(--blue-bg);border-color:var(--blue);color:var(--blue-strong);}
.chip .swatch{width:8px;height:8px;}

.sort-toggle{
  margin-left:auto;border:1px solid var(--border);background:var(--bg);color:var(--ink-2);
  font-size:12.5px;font-weight:600;padding:6px 12px;border-radius:7px;cursor:pointer;font-family:inherit;
}
.sort-toggle:hover{color:var(--blue);border-color:var(--blue);}

.pivot-table td.month-cell{font-weight:600;}
.pivot-table td.total-col,.pivot-table th.total-col{border-left:2px solid var(--border);font-weight:700;}
.partial-flag{
  display:inline-block;margin-left:6px;font-size:10px;font-weight:700;color:var(--orange);
  border:1px solid var(--orange);border-radius:4px;padding:0 5px;vertical-align:middle;
}
.cell-mom{display:block;font-size:10.5px;font-weight:600;margin-top:1px;}

.bill-table tbody td:nth-child(2){color:var(--blue);font-weight:700;}
.bill-table tbody td:nth-child(3){color:var(--orange);font-weight:700;}
.bill-table tfoot td{font-weight:700;border-top:2px solid var(--border);color:var(--ink);}
.bill-table tfoot td:nth-child(2),.bill-table tfoot td:nth-child(3){color:var(--ink);}

.footnotes{
  border-top:1px solid var(--border);padding-top:20px;color:var(--ink-2);font-size:13px;
}
.footnotes h3{margin:0 0 10px;font-size:13px;color:var(--ink-3);text-transform:uppercase;letter-spacing:.05em;}
.footnotes ul{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:6px;}

button:focus-visible,select:focus-visible,th:focus-visible{
  outline:2px solid var(--blue);outline-offset:2px;
}

@media (max-width:1024px){
  .kpi-row-floors{grid-template-columns:repeat(4,1fr);}
}
@media (max-width:860px){
  .kpi-row{grid-template-columns:1fr;}
  .kpi-row-floors{grid-template-columns:repeat(2,1fr);}
  .chart-grid.two-col{grid-template-columns:1fr;}
  .meta-block{text-align:left;}
  .meta-item{text-align:left;}
  .sort-toggle{margin-left:0;}
}