:root{
  --bg:#f5f7fb;
  --card:#ffffff;
  --text:#182230;
  --muted:#667085;
  --line:#d0d5dd;
  --primary:#1d4ed8;
  --primary-soft:#dbeafe;
  --danger:#b42318;
  --success:#067647;
  --warning:#b54708;
  --shadow:0 10px 25px rgba(16,24,40,.06);
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,Arial,sans-serif;background:var(--bg);color:var(--text)}
a{color:inherit;text-decoration:none}
.shell{display:grid;grid-template-columns:260px 1fr;min-height:100vh}
.sidebar{background:#101828;color:#fff;padding:28px 20px;position:sticky;top:0;height:100vh}
.brand{font-weight:800;font-size:22px;margin-bottom:28px;line-height:1.2}
.sidebar nav{display:grid;gap:8px}
.nav-link{display:block;padding:12px 14px;border-radius:12px;color:#cbd5e1}
.nav-link.active,.nav-link:hover{background:rgba(255,255,255,.12);color:#fff}
.content{padding:28px}
.topbar{margin-bottom:20px}
.topbar h1{margin:0;font-size:28px}
.card{background:var(--card);border:1px solid #e4e7ec;border-radius:18px;padding:20px;box-shadow:var(--shadow);margin-bottom:20px}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px}
.card-head h2{margin:0;font-size:20px}
.grid{display:grid;gap:20px}
.cards-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.stat-card{padding:22px}
.stat-label{color:var(--muted);font-size:14px}
.stat-value{font-size:34px;font-weight:800;margin:8px 0}
.muted{color:var(--muted);font-size:14px}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.form-grid .full{grid-column:1/-1}
.section-title{grid-column:1/-1;font-size:18px;font-weight:700;padding-top:10px;border-top:1px solid #eaecf0;margin-top:8px}
.section-title:first-of-type{border-top:0;padding-top:0;margin-top:0}
.field{display:grid;gap:8px}
.field span{font-size:14px;color:var(--muted);font-weight:600}
input,select,textarea{width:100%;border:1px solid var(--line);background:#fff;border-radius:12px;padding:12px 14px;font:inherit;color:var(--text)}
textarea{resize:vertical;min-height:44px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(29,78,216,.12)}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}
.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 16px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--text);cursor:pointer;font-weight:600}
.button:hover{border-color:#98a2b3}
.button.primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.button.primary:hover{filter:brightness(.96)}
.button.small{padding:8px 12px;border-radius:10px;font-size:13px}
.button.danger{border-color:#fda29b;color:var(--danger);background:#fff5f5}
.flash{padding:14px 16px;border-radius:14px;margin-bottom:18px;font-weight:600}
.flash-success{background:#ecfdf3;color:var(--success);border:1px solid #a6f4c5}
.flash-error{background:#fef3f2;color:var(--danger);border:1px solid #fecdca}
.table-wrap{overflow:auto}
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:12px 10px;border-bottom:1px solid #eaecf0;vertical-align:top;text-align:left}
.table th{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.03em}
.table td input,.table td textarea{min-width:100px;padding:10px 12px;border-radius:10px}
.badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:700}
.row-actions{display:flex;gap:8px;flex-wrap:wrap}
.row-actions form{display:inline}
.meta-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.meta-item{padding:12px;border:1px solid #eaecf0;border-radius:14px;background:#fafbff}
.meta-label{color:var(--muted);font-size:13px;margin-bottom:6px}
.meta-value{font-weight:700}
.logo-preview img{max-height:80px;max-width:220px;object-fit:contain;border:1px solid #eaecf0;border-radius:14px;padding:8px;background:#fff}
.logo-strip,.invoice-brand-logos{display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.logo-strip img,.invoice-brand-logos img{max-height:52px;max-width:120px;object-fit:contain}
.upload-box{padding:14px;border:1px dashed #b2ccff;border-radius:16px;background:#f8fbff}
.mapping-box,.preview-box{margin-top:14px}
.mapping-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.preview-box .mini-table{width:100%;border-collapse:collapse;font-size:13px}
.preview-box .mini-table th,.preview-box .mini-table td{border:1px solid #e4e7ec;padding:8px;vertical-align:top}
.preview-box .mini-table th{background:#f8fafc}
.order-import-form .preview-box{max-height:280px;overflow:auto}
.invoice-preview-card{padding:0;overflow:hidden}
.invoice-printable{background:#f8fafc;padding:24px}
.invoice-doc{max-width:980px;margin:0 auto;background:#fff;padding:32px;border-radius:18px;box-shadow:var(--shadow)}
.invoice-header{display:flex;justify-content:space-between;gap:24px;padding-bottom:20px;border-bottom:2px solid #eaecf0}
.invoice-logo{max-height:72px;max-width:220px;object-fit:contain;margin-bottom:12px}
.invoice-head-right{text-align:right}
.invoice-addresses{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;padding:22px 0}
.invoice-table{width:100%;border-collapse:collapse}
.invoice-table th,.invoice-table td{padding:10px;border-bottom:1px solid #eaecf0;text-align:left;font-size:14px;vertical-align:top}
.invoice-table th{background:#f8fafc}
.invoice-totals{margin-top:22px;margin-left:auto;max-width:300px;display:grid;gap:8px}
.invoice-totals > div{display:flex;justify-content:space-between;border-bottom:1px dashed #d0d5dd;padding-bottom:6px}
.invoice-totals .grand-total{font-size:20px;border-bottom:0;padding-top:8px}
.payment-box{margin-top:24px;padding:16px;border:1px solid #dbeafe;background:#eff6ff;border-radius:16px}
.invoice-footer-note{margin-top:18px;color:var(--muted);font-size:13px}
.print-body{background:#fff;padding:16px}
.template-row{display:none}
@media (max-width:1100px){
  .shell{grid-template-columns:1fr}
  .sidebar{position:relative;height:auto}
  .cards-3,.cols-2,.form-grid,.mapping-grid,.meta-grid,.invoice-addresses{grid-template-columns:1fr}
}
@media print{
  .sidebar,.topbar,.actions,.card-head,.flash{display:none !important}
  .content{padding:0}
  .card{border:0;box-shadow:none;padding:0;margin:0}
  .invoice-preview-card{padding:0}
  .invoice-printable{padding:0}
  .invoice-doc{box-shadow:none;border-radius:0;padding:0}
}