:root {
  --blue-900: #0b2f6b;
  --blue-800: #103a80;
  --blue-700: #14509e;
  --blue-600: #1a63c4;
  --blue-500: #2f7de0;
  --blue-100: #e8f0fd;
  --blue-50:  #f4f8ff;
  --ink: #1c2733;
  --muted: #64748b;
  --border: #dbe4f3;
  --danger: #d93636;
  --success: #1a9c62;
  --radius: 12px;
  --shadow: 0 2px 10px rgba(20, 80, 158, 0.08);
}
* { box-sizing: border-box; }
body { margin: 0; font-family: 'Segoe UI', Roboto, -apple-system, Arial, sans-serif; background: var(--blue-50); color: var(--ink); font-size: 15px; }
a { color: var(--blue-600); text-decoration: none; }
a:hover { text-decoration: underline; }
.app { display: flex; min-height: 100vh; }
.sidebar { width: 230px; background: linear-gradient(180deg, var(--blue-900), var(--blue-700)); color: #fff; flex-shrink: 0; position: sticky; top: 0; height: 100vh; overflow-y: auto; transition: transform .2s ease; z-index: 50; }
.sidebar .brand { padding: 22px 18px; font-size: 19px; font-weight: 700; border-bottom: 1px solid rgba(255,255,255,.15); }
.sidebar .brand small { display:block; font-weight:400; opacity:.75; font-size:12px; margin-top:2px;}
.sidebar nav { padding: 10px 0; }
.sidebar a.nav-link { display: flex; align-items: center; gap: 10px; padding: 12px 20px; color: #dce8fb; font-size: 14.5px; border-left: 3px solid transparent; }
.sidebar a.nav-link:hover, .sidebar a.nav-link.active { background: rgba(255,255,255,.10); border-left-color: #fff; color: #fff; text-decoration: none; }
.sidebar .nav-section { padding: 14px 20px 6px; font-size: 11px; letter-spacing: .06em; text-transform: uppercase; opacity: .55; }
.main { flex: 1; min-width: 0; }
.topbar { background: #fff; border-bottom: 1px solid var(--border); padding: 14px 22px; display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 40; }
.topbar h1 { font-size: 19px; margin: 0; color: var(--blue-900); }
.menu-toggle { display: none; background: none; border: none; font-size: 22px; cursor: pointer; color: var(--blue-800); }
.topbar .user-chip { display:flex; align-items:center; gap:10px; font-size: 13.5px; color: var(--muted); }
.content { padding: 22px; }
.card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; margin-bottom: 20px; }
.card h2, .card h3 { margin-top: 0; color: var(--blue-900); }
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media screen and (max-width: 820px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }
.stat-cards { display:flex; gap:16px; flex-wrap:wrap; margin-bottom: 6px; }
.stat-card { flex: 1; min-width: 160px; background: #fff; border:1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow); }
.stat-card .num { font-size: 24px; font-weight: 700; color: var(--blue-800); }
.stat-card .lbl { color: var(--muted); font-size: 13px; margin-top: 2px;}
label { display:block; font-size: 13px; font-weight:600; color:var(--blue-900); margin-bottom: 5px; }
input[type=text], input[type=number], input[type=date], input[type=password], input[type=search], input[type=email], select, textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 14.5px; background: #fff; color: var(--ink); font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--blue-500); box-shadow: 0 0 0 3px var(--blue-100); }
.field { margin-bottom: 14px; }
.field small.hint { color: var(--muted); display:block; margin-top:4px; }
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 10px 16px; border-radius: 8px; border: 1px solid transparent; background: var(--blue-600); color: #fff; font-size: 14px; font-weight: 600; cursor: pointer; transition: background .15s ease; }
.btn:hover { background: var(--blue-700); text-decoration:none; }
.btn.secondary { background: #fff; color: var(--blue-700); border-color: var(--blue-500); }
.btn.secondary:hover { background: var(--blue-100); }
.btn.danger { background: #fff; color: var(--danger); border-color: var(--danger); }
.btn.danger:hover { background: #fdeaea; }
.btn.success { background: var(--success); }
.btn.sm { padding: 6px 11px; font-size: 12.5px; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-row { display:flex; gap:10px; flex-wrap:wrap; }
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }
table.data { width: 100%; border-collapse: collapse; background: #fff; font-size: 14px; }
table.data th { background: var(--blue-100); color: var(--blue-900); text-align: left; padding: 11px 12px; font-size: 12.5px; text-transform: uppercase; letter-spacing: .03em; white-space: nowrap; }
table.data td { padding: 11px 12px; border-top: 1px solid var(--border); vertical-align: middle; }
table.data tr:hover td { background: var(--blue-50); }
.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 11.5px; font-weight: 700; letter-spacing: .02em; }
.badge.invoice { background:#e6f0ff; color:var(--blue-700);}
.badge.quotation { background:#fff3d9; color:#9a6b00;}
.badge.dc { background:#e6f9ee; color:#0f7a45;}
.badge.sales_tax_invoice { background:#f3e8ff; color:#6b21a8;}
.badge.trashed { background:#fde8e8; color:var(--danger);}
.badge.active { background:#e6f9ee; color:var(--success);}
.badge.received { background:#e6f9ee; color:var(--success);}
.badge.pending { background:#fff3d9; color:#9a6b00;}
.autocomplete { position: relative; }
.ac-results { position: fixed; background: #fff; border: 1px solid var(--border); border-radius: 8px; box-shadow: 0 8px 24px rgba(20,60,120,.15); max-height: 240px; overflow-y: auto; z-index: 200; display: none; }
.ac-results.show { display: block; }
.ac-results div.ac-item { padding: 9px 12px; cursor: pointer; font-size: 14px; display:flex; justify-content:space-between; gap: 10px; }
.ac-results div.ac-item:hover { background: var(--blue-100); }
.ac-results div.ac-item .price { color: var(--muted); font-size: 12.5px; }
.ac-results .ac-empty { padding: 10px 12px; color: var(--muted); font-size: 13.5px; }
#items-table { width: 100%; border-collapse: collapse; }
#items-table th { text-align:left; font-size:12px; text-transform:uppercase; color:var(--muted); padding: 6px 8px; }
#items-table td { padding: 6px 8px; }
#items-table input { padding: 8px 10px; }
#items-table td.col-no { width: 34px; text-align:center; color:var(--muted); }
#items-table td.col-qty { width: 90px; }
#items-table td.col-price { width: 130px; }
#items-table td.col-total { width: 130px; text-align:right; font-weight:600; color: var(--blue-900); }
#items-table td.col-del { width: 40px; text-align:center; }
#items-table td.col-del button { background:none;border:none;color:var(--danger);cursor:pointer;font-size:16px; }
.totals-box { max-width: 320px; margin-left: auto; }
.totals-box .row { display:flex; justify-content:space-between; padding: 8px 0; border-top: 1px solid var(--border); font-size: 14.5px; }
.totals-box .row.grand { font-weight: 700; color: var(--blue-900); font-size: 16px; }
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--blue-900), var(--blue-600)); padding: 20px; }
.login-card { background: #fff; width: 100%; max-width: 380px; border-radius: 16px; padding: 34px 30px; box-shadow: 0 20px 50px rgba(0,0,0,.25); }
.login-card .logo { text-align:center; margin-bottom: 18px; color: var(--blue-800); font-weight:800; font-size: 21px; }
.login-card .logo small { display:block; font-weight:400; font-size:12.5px; color: var(--muted); }
.doc-sheet { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 34px; max-width: 850px; margin: 0 auto; }
.doc-head { display:flex; justify-content: space-between; align-items:flex-start; gap: 20px; border-bottom: 3px solid var(--blue-700); padding-bottom: 16px; margin-bottom: 20px;}
.doc-head .company-name { font-size: 24px; font-weight: 800; color: var(--blue-900); }
.doc-head .company-meta { font-size: 12.5px; color: var(--muted); margin-top: 4px; line-height:1.6; }
.doc-head .doc-title { text-align:right; }
.doc-head .doc-title .type { font-size: 22px; font-weight:800; color: var(--blue-700); text-transform:uppercase; letter-spacing:.03em;}
.doc-head .doc-title .no { font-size: 13.5px; color: var(--muted); margin-top:2px;}
.payment-stamp {
  display: inline-block;
  margin-top: 10px;
  padding: 5px 14px;
  border: 2px solid;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .06em;
  transform: rotate(-4deg);
}
.payment-stamp.received { color: var(--success); border-color: var(--success); background: #e6f9ee; }
.payment-stamp.pending { color: #9a6b00; border-color: #9a6b00; background: #fff3d9; }
.doc-meta-grid { display:grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 20px; font-size: 13.5px;}
.doc-meta-grid .box { background: var(--blue-50); border:1px solid var(--border); border-radius:10px; padding: 12px 14px; }
.doc-meta-grid .box b { display:block; color: var(--blue-900); font-size: 11.5px; text-transform:uppercase; letter-spacing:.03em; margin-bottom:6px;}
.doc-meta-grid .kv { display:flex; justify-content:space-between; padding: 3px 0; }
.doc-meta-grid .kv span.k { color: var(--muted); }
table.doc-items { width:100%; border-collapse: collapse; margin-bottom: 18px; font-size: 13.5px; }
table.doc-items th { background: var(--blue-700); color:#fff; padding: 9px 10px; text-align:left; }
table.doc-items td { padding: 9px 10px; border-bottom: 1px solid var(--border); }
table.doc-items td.num, table.doc-items th.num { text-align:right; }
.doc-requirements { background: var(--blue-50); border:1px solid var(--border); border-radius:10px; padding:14px 16px; margin-bottom:18px; font-size:14px; white-space:pre-wrap; }
.doc-requirements b { display:block; color:var(--blue-900); margin-bottom:6px; font-size:12px; text-transform:uppercase; letter-spacing:.03em;}
.doc-totals { max-width: 280px; margin-left: auto; margin-bottom: 26px; font-size:14px; }
.doc-totals .row { display:flex; justify-content:space-between; padding: 7px 0; border-top:1px solid var(--border); }
.doc-totals .row.grand { font-weight:800; color: var(--blue-900); font-size:16px; border-top:2px solid var(--blue-700); }
.doc-sign { margin-top: 40px; font-size: 14px; }
.doc-sign .thanks { margin-bottom: 26px; }
.doc-sign b { display:block; }
.doc-contact { margin-top: 24px; border-top:1px solid var(--border); padding-top: 12px; font-size:12.5px; color:var(--muted); }
.doc-actions { max-width: 850px; margin: 0 auto 16px; display:flex; gap:10px; flex-wrap:wrap; }
/* ================= PRINT (A4) ================= */
@page {
  size: A4;
  margin: 12mm 14mm;
}

@media print {
  /* Force background colors/shading to actually print (browsers strip
     these by default unless "print background graphics" is on) */
  * {
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
    color-adjust: exact !important;
  }

  html, body { background: #fff !important; font-size: 12.5px; }
  .sidebar, .topbar, .doc-actions, .no-print, .flash { display: none !important; }
  .app, .main, .content { display: block !important; margin: 0 !important; padding: 0 !important; }

  .doc-sheet {
    box-shadow: none !important;
    border: none !important;
    max-width: 100% !important;
    width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
  }

  /* A clean colored accent bar at the very top of the printed page */
  .doc-sheet::before {
    content: "";
    display: block;
    height: 5px;
    background: linear-gradient(90deg, var(--blue-900), var(--blue-500)) !important;
    margin-bottom: 16px;
    border-radius: 3px;
  }

  .doc-head { border-bottom-width: 2px; padding-bottom: 12px; margin-bottom: 16px; page-break-after: avoid; }
  .doc-head .company-name { font-size: 20px; }
  .doc-head .doc-title .type { font-size: 18px; }

  .doc-meta-grid { grid-template-columns: 1fr 1fr !important; gap: 12px; page-break-inside: avoid; }
  .doc-meta-grid .box { background: var(--blue-50) !important; }

  .doc-requirements { page-break-inside: avoid; }

  table.doc-items { page-break-inside: auto; }
  table.doc-items thead { display: table-header-group; } /* repeat header if items span 2 pages */
  table.doc-items tr { page-break-inside: avoid; page-break-after: auto; }
  table.doc-items th { background: var(--blue-700) !important; color: #fff !important; }
  table.doc-items tbody tr:nth-child(even) td { background: var(--blue-50) !important; }

  .doc-totals { page-break-inside: avoid; }
  .doc-sign, .doc-contact { page-break-inside: avoid; }
}
/* ================================================ */
.text-muted { color: var(--muted); }
.text-right { text-align:right; }
.text-center { text-align:center; }
.mt-0{margin-top:0;} .mb-0{margin-bottom:0;}
.flash { padding: 12px 16px; border-radius: 10px; margin-bottom: 18px; font-size: 14px; }
.flash.success { background:#e6f9ee; color: var(--success); border:1px solid #b8e9cf; }
.flash.error { background:#fdeaea; color: var(--danger); border:1px solid #f5c2c2; }
.empty-state { text-align:center; padding: 50px 20px; color: var(--muted); }
.pill-tabs { display:flex; gap:8px; margin-bottom: 18px; flex-wrap:wrap; }
.pill-tabs a { padding: 8px 16px; border-radius:999px; border:1px solid var(--border); color:var(--blue-800); font-size:13.5px; font-weight:600; background:#fff;}
.pill-tabs a.active, .pill-tabs a:hover { background: var(--blue-600); color:#fff; border-color:var(--blue-600); text-decoration:none;}
.modal-bg { display:none; position: fixed; inset:0; background: rgba(15,30,60,.45); z-index: 100; align-items:center; justify-content:center; padding: 16px; }
.modal-bg.show { display:flex; }
.modal-box { background:#fff; border-radius: 14px; padding: 22px; width: 100%; max-width: 440px; max-height: 90vh; overflow-y:auto; }
.modal-box h3 { margin-top:0; color: var(--blue-900); }
@media screen and (max-width: 900px) {
  .sidebar { position: fixed; left:0; top:0; transform: translateX(-100%); width: 240px; }
  .sidebar.open { transform: translateX(0); }
  .menu-toggle { display: inline-block; }
  .content { padding: 14px; }
  .doc-sheet { padding: 18px; }
  .doc-head { flex-direction: column; }
  .doc-head .doc-title { text-align:left; }
  .doc-meta-grid { grid-template-columns: 1fr; }
  table.data { font-size: 13px; }
}