:root {
  --ink:#202429; --gold:#c39d56; --bg:#f3f4f6; --line:#dfe2e5;
  --muted:#66707a; --green:#166534; --red:#991b1b; --amber:#92400e;
}
* { box-sizing:border-box; }
body { margin:0; background:var(--bg); color:var(--ink); font-family:Inter,Segoe UI,Arial,sans-serif; font-size:16px; }
.sidebar { position:fixed; inset:0 auto 0 0; width:250px; background:var(--ink); color:#fff; padding:22px 16px; display:flex; flex-direction:column; z-index:10; }
.brand { display:flex; gap:12px; align-items:center; color:inherit; text-decoration:none; font-size:20px; font-weight:750; }
.brand small { display:block; font-size:10px; letter-spacing:2px; color:#d9bd88; margin-top:3px; }
.brand-mark { display:grid; place-items:center; width:42px; height:42px; border:1px solid var(--gold); border-radius:50%; color:var(--gold); font-family:Georgia,serif; }
.sidebar nav { display:grid; gap:6px; margin-top:42px; }
.sidebar nav a,.logout button { padding:13px 14px; border-radius:9px; color:#f8fafc; text-decoration:none; background:none; border:0; font:inherit; text-align:left; cursor:pointer; }
.sidebar nav a:hover,.sidebar nav a:focus,.logout button:hover { background:#343a40; color:#fff; }
.logout { margin-top:auto; border-top:1px solid #3d4349; padding-top:12px; }
main { margin-left:250px; min-height:100vh; }
.topbar { height:70px; background:#fff; border-bottom:1px solid var(--line); display:flex; align-items:center; justify-content:flex-end; padding:0 34px; position:sticky; top:0; z-index:5; }
.topbar>div { text-align:right; }
.topbar small { display:block; color:var(--muted); margin-top:2px; }
.menu { display:none; }
.page { padding:34px; max-width:1500px; margin:auto; }
.page-head { display:flex; align-items:flex-end; justify-content:space-between; gap:20px; margin-bottom:24px; }
.page-head h1 { font-size:34px; margin:4px 0 7px; }
.page-head p { margin:0; color:var(--muted); }
.eyebrow { font-size:11px; letter-spacing:2px; color:#9a7435; font-weight:750; }
.metrics { display:grid; grid-template-columns:repeat(auto-fit,minmax(210px,1fr)); gap:16px; margin:0 0 22px; }
.metrics.one { grid-template-columns:minmax(280px,420px); }
.metrics article,.panel { background:#fff; border:1px solid var(--line); border-radius:14px; box-shadow:0 4px 16px rgba(20,30,40,.035); }
.metrics article { padding:20px; }
.metrics span { display:block; color:var(--muted); margin-bottom:9px; }
.metrics strong { font-size:24px; }
.panel { padding:22px; margin-bottom:20px; }
.panel h2 { margin:0 0 16px; font-size:20px; }
.panel-head { display:flex; align-items:center; justify-content:space-between; margin-bottom:15px; }
.panel-head h2 { margin:0; }
.panel a,td a { color:#765925; font-weight:650; text-decoration:none; }
.grid-2 { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:20px; }
.split-row { display:flex; justify-content:space-between; align-items:center; gap:16px; padding:13px 0; border-bottom:1px solid #eceef0; }
.split-row:last-child { border:0; }
.split-row small,td small { display:block; color:var(--muted); margin-top:3px; }
.table-wrap { overflow:auto; }
table { border-collapse:collapse; width:100%; min-width:700px; }
th,td { text-align:left; padding:13px 12px; border-bottom:1px solid #e7e9eb; vertical-align:middle; }
th { font-size:12px; letter-spacing:.6px; color:var(--muted); text-transform:uppercase; }
td:last-child { text-align:right; }
.button { display:inline-flex; align-items:center; justify-content:center; min-height:43px; padding:10px 16px; border:1px solid #cdd1d5; border-radius:9px; background:#fff; color:var(--ink); font-weight:700; text-decoration:none; cursor:pointer; }
.button.primary { background:var(--gold); border-color:var(--gold); color:#151515; }
.button.danger { border-color:#fecaca; color:var(--red); background:#fff7f7; }
.button.wide { width:100%; }
.actions { display:flex; gap:9px; align-items:center; flex-wrap:wrap; }
.actions form { margin:0; }
.stack-actions { display:grid; gap:9px; margin-top:18px; }
.link-button { border:0; background:none; color:#765925; font:inherit; font-weight:650; padding:0; cursor:pointer; }
.status { display:inline-flex; padding:5px 9px; border-radius:999px; background:#eceff1; font-size:13px; }
.status.active,.status.paid,.status.accepted { background:#dcfce7; color:var(--green); }
.status.past_due,.status.overdue,.status.rejected,.status.cancelled { background:#fee2e2; color:var(--red); }
.status.pending,.status.sent,.status.trial { background:#fef3c7; color:var(--amber); }
.status.ready { background:#dcfce7; color:var(--green); }
.status.duplicate { background:#fef3c7; color:var(--amber); }
.status.error { background:#fee2e2; color:var(--red); }
.notice { padding:13px 16px; border-radius:9px; background:#eef2ff; margin-bottom:16px; }
.notice.success { background:#dcfce7; color:var(--green); }
.notice.error { background:#fee2e2; color:var(--red); }
.search { display:flex; gap:9px; margin-bottom:16px; }
.search input { max-width:420px; }
.filter-panel { display:grid; grid-template-columns:repeat(4,minmax(150px,1fr)) auto; gap:12px; align-items:end; }
.filter-panel label { font-size:13px; font-weight:700; }
.filter-panel input,.filter-panel select { display:block; margin-top:6px; }
.field-control,input,select,textarea { width:100%; min-height:43px; border:1px solid #cfd3d7; border-radius:8px; padding:9px 11px; background:#fff; font:inherit; }
input[type=checkbox] { width:auto; min-height:auto; }
.form-panel { max-width:920px; }
.form-panel p { display:grid; grid-template-columns:210px 1fr; gap:15px; align-items:start; }
.form-panel label { font-weight:650; padding-top:10px; }
.helptext { font-size:12px; color:var(--muted); }
.errorlist { color:var(--red); }
.form-actions,.action-row { display:flex; gap:10px; margin:18px 0; }
.item-table input { min-width:85px; }
.item-table td:nth-child(2) input { min-width:280px; }
.totals { margin-left:auto; max-width:390px; margin-top:20px; }
.totals span { display:flex; justify-content:space-between; padding:8px 0; }
.totals .grand { border-top:2px solid var(--ink); font-size:20px; }
.empty,.hint { color:var(--muted); }
dl { display:grid; grid-template-columns:130px 1fr; gap:10px; margin:0; }
dt { color:var(--muted); }
dd { margin:0; font-weight:600; }
.login-body { min-height:100vh; display:grid; place-items:center; background:linear-gradient(135deg,#171a1d,#2d3237); }
.login-card { width:min(430px,calc(100% - 30px)); background:#fff; border-radius:18px; padding:34px; box-shadow:0 25px 80px rgba(0,0,0,.35); }
.login-brand { color:var(--ink); margin-bottom:30px; }
.login-card h1 { font-size:32px; margin-bottom:8px; }
.login-card p { color:var(--muted); }
.login-card form p { margin:15px 0; }
.login-card label { display:block; font-weight:650; margin-bottom:6px; }
@media(max-width:1000px) {
  .grid-2 { grid-template-columns:1fr; }
  .filter-panel { grid-template-columns:repeat(2,minmax(150px,1fr)); }
}
@media(max-width:760px) {
  .sidebar { transform:translateX(-100%); transition:.2s; width:280px; }
  .menu-open .sidebar { transform:none; }
  main { margin-left:0; }
  .topbar { justify-content:space-between; padding:0 18px; }
  .menu { display:block; border:0; background:none; font-size:28px; }
  .page { padding:22px 15px; }
  .page-head { align-items:flex-start; flex-direction:column; }
  .page-head h1 { font-size:29px; }
  .metrics,.filter-panel { grid-template-columns:1fr; }
  .form-panel p { display:block; }
  .form-panel label { display:block; }
  .actions { width:100%; }
  .actions .button { flex:1; }
  .panel { padding:16px; }
}