:root{
  --bg:#0b0b0c;
  --surface:#151517;
  --surface-2:#1c1d20;
  --surface-3:#232428;
  --border:rgba(255,255,255,.08);
  --border-strong:rgba(255,255,255,.14);
  --text:#f5f5f4;
  --text-secondary:#c3c2b7;
  --text-muted:#89898a;
  --accent:#3987e5;
  --accent-hover:#5a9dec;
  --accent-ink:#ffffff;
  --good:#0ca30c;
  --good-bg:rgba(12,163,12,.16);
  --warning:#fab219;
  --warning-bg:rgba(250,178,25,.16);
  --critical:#d03b3b;
  --critical-bg:rgba(208,59,59,.16);
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-card:0 1px 0 rgba(255,255,255,.03) inset, 0 12px 30px rgba(0,0,0,.35);
  font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--text);
  background:var(--bg);
  color-scheme:dark;
}
*{box-sizing:border-box}
body{margin:0;background:
  radial-gradient(1100px 500px at 15% -10%, rgba(57,135,229,.10), transparent 60%),
  radial-gradient(900px 500px at 100% 0%, rgba(34,197,94,.06), transparent 55%),
  var(--bg);
  min-height:100vh}
header{position:sticky;top:0;z-index:20;background:rgba(11,11,12,.82);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);border-bottom:1px solid var(--border);padding:16px 26px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
header strong{display:block;font-size:17px;font-weight:800;letter-spacing:-.01em}
header span{color:var(--text-muted);font-size:12.5px}
nav{display:flex;gap:4px;flex-wrap:wrap}
nav a{color:var(--text-secondary);text-decoration:none;padding:8px 12px;border-radius:var(--radius-sm);font-size:13.5px;font-weight:600;transition:background .15s ease,color .15s ease}
nav a:hover{background:var(--surface-2);color:var(--text)}
main{max-width:1180px;margin:32px auto 80px;padding:0 20px}
h1{font-size:30px;margin:0 0 22px;font-weight:800;letter-spacing:-.02em}
h2{font-weight:750;letter-spacing:-.01em}
.grid,.split{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px;margin-bottom:18px;box-shadow:var(--shadow-card)}
.narrow{max-width:420px;margin:80px auto}
.big{font-size:40px;font-weight:800;margin:0;letter-spacing:-.02em;font-variant-numeric:proportional-nums}
.warn{color:var(--critical)}
.ok{color:var(--good)}
.metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px}
.metric,.source{border:1px solid var(--border);border-radius:var(--radius-md);padding:16px;background:var(--surface-2);transition:border-color .15s ease}
.metric:hover,.source:hover{border-color:var(--border-strong)}
.metric strong{font-size:14.5px}
.metric span{display:block;margin-top:6px;color:var(--text-secondary);font-size:13.5px}
.sources{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.upload{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));align-items:end;gap:12px}
.actions,.row-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.actions{margin-top:18px}
.actions form,.row-actions form{margin:0}
label{display:flex;flex-direction:column;font-weight:650;gap:6px;font-size:13.5px;color:var(--text-secondary)}
input,select,button,.small-button{font:inherit;padding:10px 12px;border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--surface-2);color:var(--text)}
input:focus,select:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}
input::placeholder{color:var(--text-muted)}
button,.small-button{background:var(--accent);color:var(--accent-ink);border:1px solid transparent;font-weight:700;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:6px;transition:background .15s ease,transform .1s ease}
button:hover:not(:disabled),.small-button:hover{background:var(--accent-hover)}
button:active:not(:disabled){transform:translateY(1px)}
.small-button{font-size:13px;padding:8px 12px}
button.secondary{background:var(--surface-3);color:var(--text);border-color:var(--border-strong)}
button.secondary:hover{background:var(--surface-2)}
button:disabled{background:var(--surface-2);color:var(--text-muted);border-color:var(--border);cursor:not-allowed}
.progress{height:10px;background:var(--surface-2);border-radius:999px;overflow:hidden;border:1px solid var(--border)}
.progress div{height:100%;background:linear-gradient(90deg,var(--accent),var(--good));transition:width .25s ease}
table{width:100%;border-collapse:collapse;background:transparent}
th,td{text-align:left;border-bottom:1px solid var(--border);padding:11px 10px;vertical-align:top}
th{font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);font-weight:700}
.num{text-align:right}
.muted{color:var(--text-muted)}
.cell-note{font-size:12px;color:var(--critical);margin-top:6px;max-width:260px}
.badge{display:inline-flex;align-items:center;border-radius:999px;padding:4px 10px;font-size:11.5px;font-weight:750;text-decoration:none;letter-spacing:.01em;border:1px solid transparent}
.ok-badge{background:var(--good-bg);color:var(--good);border-color:rgba(34,197,94,.25)}
.warn-badge{background:var(--critical-bg);color:var(--critical);border-color:rgba(240,96,95,.25)}
.muted-badge{background:var(--surface-3);color:var(--text-secondary);border-color:var(--border)}
.settings p{margin:0 0 10px;font-size:14px}
.settings strong{color:var(--text-secondary);font-weight:650}
code{background:var(--surface-3);color:var(--text-secondary);padding:2px 6px;border-radius:5px;font-size:.92em}
.invoice-card{padding:0;overflow:hidden}
.invoice-toolbar{background:var(--surface-2);border-bottom:1px solid var(--border);color:var(--text);display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 22px;flex-wrap:wrap}
.invoice-toolbar h2{margin:0;font-size:16px}
.invoice-toolbar .small-button{background:var(--accent)}
.invoice-toolbar .small-button:disabled{background:var(--surface-3);color:var(--text-muted);border-color:var(--border)}
.table-scroll{overflow-x:auto}
.invoice-table{width:100%;border-collapse:collapse;font-size:13.5px}
.invoice-table th{font-size:11px;letter-spacing:.05em;padding:12px 14px;background:var(--surface)}
.invoice-table td{padding:10px 14px;white-space:nowrap}
.invoice-table tbody tr{transition:background .12s ease}
.invoice-table tbody tr:hover{background:var(--surface-2)}
.invoice-table .num{text-align:right;font-variant-numeric:tabular-nums}
.invoice-table .col-check{width:32px}
.invoice-table .col-actions{white-space:nowrap}
.invoice-table .col-actions form{display:inline-block;margin:0}
.invoice-table a{color:var(--accent)}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:999px;border:1px solid var(--border-strong);background:var(--surface-2);color:var(--text-secondary);cursor:pointer;text-decoration:none;padding:0;margin-right:4px;transition:background .15s ease,color .15s ease,border-color .15s ease}
.icon-btn:hover{background:var(--surface-3);color:var(--accent-hover);border-color:var(--accent)}
form.icon-btn-form{display:inline}
.invoice-link{cursor:pointer}
.hidden{display:none}
.invoice-modal{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center;padding:28px;background:rgba(0,0,0,.55);backdrop-filter:blur(2px)}
.invoice-modal.hidden{display:none}
.invoice-modal-backdrop{position:absolute;inset:0}
.invoice-modal-panel{position:relative;width:min(900px,100%);height:100%;background:var(--surface);border:1px solid var(--border-strong);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 30px 80px rgba(0,0,0,.55)}
.invoice-modal-head{display:flex;align-items:center;justify-content:space-between;padding:12px 18px;background:var(--surface-2);border-bottom:1px solid var(--border);color:var(--text)}
.invoice-modal-head #invoice-modal-title{font-weight:750;font-size:14px}
.invoice-modal-head button{background:transparent;border:0;color:var(--text-secondary);font-size:24px;line-height:1;cursor:pointer;padding:2px 6px;border-radius:var(--radius-sm)}
.invoice-modal-head button:hover{background:var(--surface-3);color:var(--text)}
.invoice-modal-frame,#invoice-modal-frame{flex:1;border:0;width:100%;height:100%;background:#3a3b3d}
@media(max-width:760px){
  header{display:block}
  nav{margin-top:12px}
  table{font-size:13px}
  .row-actions{display:grid}
  .invoice-toolbar{flex-direction:column;align-items:stretch}
}