:root {
  --blue: #0f3a5f;
  --blue-2: #15507f;
  --accent: #e8a020;
  --bg: #f2f5f8;
  --card: #ffffff;
  --border: #dde4ea;
  --text: #22303c;
  --muted: #6b7a88;
  --danger: #c0392b;
  --ok: #1e8e4e;
  --paid: #1e8e4e;
  --unpaid: #c75b12;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
}

.topbar {
  background: var(--blue);
  color: #fff;
}
.topbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 17px;
}
.brand-logo { height: 40px; max-width: 220px; object-fit: contain; background: #fff; border-radius: 4px; padding: 2px; }
.brand-badge {
  background: var(--accent);
  color: #0f2c44;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 16px;
}
.main-nav { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.main-nav a {
  color: #dbe7f2;
  text-decoration: none;
  padding: 7px 12px;
  border-radius: 6px;
}
.main-nav a:hover { background: rgba(255,255,255,.12); color: #fff; }
.main-nav a.active { background: rgba(255,255,255,.18); color: #fff; font-weight: 600; }

.wrap { max-width: 1200px; margin: 0 auto; padding: 22px 20px 60px; }

.page-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.page-head h1 { margin: 0; font-size: 24px; }

.btn-row { display: flex; gap: 8px; flex-wrap: wrap; }

.stats { display: flex; gap: 14px; margin-bottom: 18px; flex-wrap: wrap; }
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 22px;
  min-width: 180px;
  flex: 1;
}
.stat-warn { border-left: 4px solid var(--unpaid); }
.stat-value { font-size: 26px; font-weight: 700; color: var(--blue); }
.stat-label { color: var(--muted); font-size: 13px; margin-top: 2px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
  margin-bottom: 18px;
}
.card-title { margin: 0 0 14px; font-size: 17px; color: var(--blue); }

.toolbar { margin-bottom: 12px; display: flex; gap: 10px; flex-wrap: wrap; }

.tabs { display: flex; gap: 6px; margin-bottom: 16px; flex-wrap: wrap; }
.tab {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  padding: 9px 16px;
  border-radius: 8px;
}
.tab:hover { border-color: var(--blue-2); }
.tab-active { background: var(--blue); color: #fff; border-color: var(--blue); font-weight: 600; }

.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; }
.table th {
  text-align: left;
  padding: 9px 10px;
  border-bottom: 2px solid var(--border);
  color: var(--muted);
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: .4px;
  white-space: nowrap;
}
.table td {
  padding: 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.table tbody tr:hover { background: #f7fafc; }
.table .num, .table th.num { text-align: right; }
.table .actions { text-align: right; white-space: nowrap; }
.table .empty { text-align: center; color: var(--muted); padding: 30px; }

.inline-form { display: inline; }
.form-actions { display: flex; gap: 8px; align-items: flex-end; }

.btn {
  display: inline-block;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  padding: 8px 14px;
  border-radius: 7px;
  cursor: pointer;
  font-size: 14px;
  text-decoration: none;
  font-family: inherit;
  line-height: 1.4;
}
.btn:hover { border-color: var(--blue-2); color: var(--blue-2); }
.btn-primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-2); border-color: var(--blue-2); color: #fff; }
.btn-danger { color: var(--danger); border-color: #f0c9c4; }
.btn-danger:hover { background: #fdf1ef; border-color: var(--danger); color: var(--danger); }
.btn-sm { padding: 4px 9px; font-size: 13px; }
.btn-lg { padding: 11px 22px; font-size: 16px; }
.btn-nav { background: var(--accent); border-color: var(--accent); color: #0f2c44; font-weight: 700; }
.btn-nav:hover { background: #f4b545; color: #0f2c44; }

.input {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 7px;
  font-size: 14.5px;
  font-family: inherit;
  background: #fff;
  color: var(--text);
}
.input:focus { outline: none; border-color: var(--blue-2); box-shadow: 0 0 0 2px rgba(21,80,127,.12); }
textarea.input { resize: vertical; }

.form-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.form-grid-3 { grid-template-columns: repeat(3, 1fr); }
.span2 { grid-column: span 2; }
.span3 { grid-column: span 3; }
@media (max-width: 760px) {
  .form-grid, .form-grid-3 { grid-template-columns: 1fr; }
  .span2, .span3 { grid-column: span 1; }
}
.field { display: flex; flex-direction: column; gap: 5px; }
.field label { font-size: 13px; font-weight: 600; color: var(--muted); }

.form-inline { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.grow { flex: 1; min-width: 220px; }

.hint { font-size: 12.5px; color: var(--muted); margin-top: 5px; }
.hint a { color: var(--blue-2); }

.alert { padding: 11px 14px; border-radius: 8px; margin-bottom: 14px; font-size: 14px; }
.alert-ok { background: #e7f6ec; color: var(--ok); border: 1px solid #bfe6cd; }
.alert-err { background: #fdecea; color: var(--danger); border: 1px solid #f5c6c0; }

.pill { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12.5px; font-weight: 600; }
.pill-paid { background: #e7f6ec; color: var(--paid); }
.pill-unpaid { background: #fdf0e4; color: var(--unpaid); }

.muted { color: var(--muted); }
.link-strong { color: var(--blue-2); font-weight: 600; text-decoration: none; }
.link-strong:hover { text-decoration: underline; }
.btn-link {
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  color: var(--blue-2);
  cursor: pointer;
  font-size: 12.5px;
  text-decoration: underline;
  font-family: inherit;
}
.btn-link:hover { color: var(--blue); }

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 42, 64, .55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 16px;
}
.modal-box {
  background: #fff;
  border-radius: 12px;
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 20px 22px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, .28);
}
.modal-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.modal-head h3 { margin: 0; color: var(--blue); font-size: 18px; }
.modal-close {
  border: none;
  background: none;
  font-size: 26px;
  cursor: pointer;
  color: var(--muted);
  line-height: 1;
  padding: 0 4px;
}
.modal-close:hover { color: var(--danger); }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 16px; }

.suggest-row td {
  background: #fff8e7;
  border-bottom: 1px solid #f0e3c0;
  padding: 8px 12px;
  font-size: 13.5px;
  color: #7a5a12;
}
.suggest-btn { margin-left: 8px; }

.foot {
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px 20px;
  color: var(--muted);
  font-size: 12.5px;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  border-top: 1px solid var(--border);
}

#lines-table td { padding: 6px 6px; }
#lines-table .input { padding: 7px 9px; }
.totals-row td { border-bottom: none; padding: 5px 10px; }
.totals-label { text-align: right; color: var(--muted); font-size: 13.5px; }
.grand-row td { font-size: 17px; font-weight: 700; color: var(--blue); }

.invoice-doc {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 38px 42px;
  max-width: 900px;
  margin: 0 auto;
  box-shadow: 0 2px 10px rgba(15,58,95,.06);
}
.inv-head { display: flex; gap: 24px; justify-content: space-between; align-items: flex-start; margin-bottom: 26px; flex-wrap: wrap; }
.inv-left { display: flex; flex-direction: column; align-items: flex-start; gap: 18px; }
.inv-logo-img { max-height: 80px; max-width: 260px; object-fit: contain; }
.inv-right { display: flex; flex-direction: column; align-items: flex-end; gap: 20px; text-align: right; }
.inv-biz { font-size: 13.5px; color: var(--text); line-height: 1.55; }
.inv-biz-name { font-size: 20px; font-weight: 800; color: var(--blue); margin-bottom: 4px; }
.inv-billto { border-top: 2px solid var(--blue); padding-top: 10px; min-width: 230px; font-size: 14px; line-height: 1.55; }
.inv-title { text-align: left; }
.inv-title-text { font-size: 30px; font-weight: 800; color: var(--blue); letter-spacing: 1px; }
.inv-number { font-size: 16px; font-weight: 700; margin-top: 2px; }
.inv-date { color: var(--muted); font-size: 13.5px; margin-top: 4px; }
.paid-stamp {
  display: inline-block;
  margin-top: 8px;
  border: 3px solid var(--paid);
  color: var(--paid);
  font-weight: 800;
  font-size: 18px;
  padding: 4px 14px;
  border-radius: 8px;
  transform: rotate(-8deg);
  letter-spacing: 2px;
}
.inv-label { font-size: 12px; text-transform: uppercase; letter-spacing: .8px; color: var(--muted); font-weight: 700; margin-bottom: 6px; }
.inv-name { font-weight: 700; font-size: 15.5px; }
.inv-veh { display: flex; flex-wrap: wrap; border: 1px solid var(--border); border-radius: 8px; background: #f7fafc; margin-bottom: 16px; overflow: hidden; }
.inv-veh-item { flex: 1; min-width: 150px; padding: 10px 14px; border-left: 1px solid var(--border); }
.inv-veh-item:first-child { border-left: none; }
.inv-veh-value { font-weight: 700; font-size: 14px; margin-top: 2px; }
.inv-items { width: 100%; border-collapse: collapse; margin-bottom: 20px; }
.inv-items th {
  background: var(--blue);
  color: #fff;
  padding: 9px 12px;
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: .4px;
  text-align: left;
}
.inv-items th.num { text-align: right; }
.inv-items td { padding: 9px 12px; border-bottom: 1px solid var(--border); font-size: 14px; }
.inv-items td.num { text-align: right; }
.inv-totals { display: flex; justify-content: flex-end; margin-bottom: 22px; }
.inv-totals table { border-collapse: collapse; min-width: 260px; }
.inv-totals td { padding: 6px 14px; font-size: 14.5px; }
.inv-totals td:last-child { text-align: right; font-weight: 600; }
.inv-totals .inv-grand td {
  font-size: 17px;
  font-weight: 800;
  border-top: 2px solid var(--blue);
  color: var(--blue);
  padding-top: 9px;
}
.inv-notes { margin-bottom: 20px; font-size: 14px; }
.inv-footer { border-top: 1px solid var(--border); padding-top: 14px; color: var(--muted); font-size: 12.5px; text-align: center; }

@media print {
  body { background: #fff; }
  .no-print, .topbar, .foot, .wrap > .page-head, .wrap > .alert { display: none !important; }
  .wrap { padding: 0; max-width: none; }
  .invoice-doc { border: none; box-shadow: none; border-radius: 0; padding: 20px 0; max-width: none; }
}