:root {
  --brand: #2563eb; --brand-dark: #1d4ed8; --bg: #f4f6f9; --card-bg: #ffffff;
  --border: #e5e9f0; --text: #101828; --text-muted: #667085;
  --sidebar-bg: #14181f; --sidebar-text: #cbd2e0;
  --success-bg: #ecfdf3; --success-text: #067647;
  --warning-bg: #fffaeb; --warning-text: #b54708;
  --danger-bg: #fef3f2; --danger-text: #b42318;
  --neutral-bg: #f2f4f7; --neutral-text: #475467; --radius: 10px;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; font-size: 14px; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
.app-shell { display: flex; min-height: 100vh; }
.sidebar { width: 220px; flex-shrink: 0; background: var(--sidebar-bg); color: var(--sidebar-text); padding: 20px 12px; display: flex; flex-direction: column; gap: 4px; }
.sidebar-brand { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 700; font-size: 16px; padding: 4px 10px 20px; line-height: 1.25; }
.sidebar-brand-icon { height: 28px; width: auto; display: block; flex-shrink: 0; }
.sidebar-link { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 8px; color: var(--sidebar-text); font-size: 14px; font-weight: 500; }
.sidebar-link:hover { background: rgba(255,255,255,0.06); color: #fff; }
.sidebar-link.active { background: var(--brand); color: #fff; }
.sidebar-footer { margin-top: auto; padding: 10px 12px; font-size: 12px; }
.main-area { flex: 1; min-width: 0; }
.topbar { height: 60px; background: var(--card-bg); border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; padding: 0 24px; }
.topbar-title { font-size: 18px; font-weight: 700; }
.content { padding: 24px; max-width: 1200px; }
.card { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; color: var(--text-muted); font-weight: 600; padding: 10px 12px; border-bottom: 1px solid var(--border); }
.data-table td { padding: 14px 12px; border-bottom: 1px solid var(--border); font-size: 14px; vertical-align: middle; }
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: #fafbfc; }
.btn { display: inline-flex; align-items: center; gap: 6px; border-radius: 8px; padding: 9px 16px; font-size: 14px; font-weight: 600; border: 1px solid transparent; cursor: pointer; }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dark); }
.btn-secondary { background: #fff; color: var(--text); border-color: var(--border); }
.btn-secondary:hover { background: #f8f9fb; }
.btn-ghost { background: transparent; color: var(--brand); padding: 6px 10px; border: none; }
.btn-sm { padding: 6px 10px; font-size: 13px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.badge { display: inline-flex; align-items: center; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge-success { background: var(--success-bg); color: var(--success-text); }
.badge-warning { background: var(--warning-bg); color: var(--warning-text); }
.badge-danger { background: var(--danger-bg); color: var(--danger-text); }
.field-label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.field-input { width: 100%; padding: 9px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; color: var(--text); background: #fff; }
.field-input:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(37,99,235,0.12); }
.field-row { margin-bottom: 16px; }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.tabs { display: flex; gap: 24px; border-bottom: 1px solid var(--border); margin-bottom: 20px; }
.tab { padding: 10px 2px; font-weight: 600; color: var(--text-muted); border-bottom: 2px solid transparent; cursor: pointer; }
.tab.active { color: var(--brand); border-bottom-color: var(--brand); }

/* City autocomplete dropdown (assets/app-common.js) */
.city-autocomplete-box {
  position: absolute; top: 100%; left: 0; right: 0; z-index: 60;
  background: #fff; border: 1px solid var(--border); border-radius: 8px;
  margin-top: 4px; box-shadow: 0 8px 20px rgba(16,24,40,0.12);
  max-height: 190px; overflow-y: auto;
}
.city-autocomplete-item { padding: 8px 12px; font-size: 13px; cursor: pointer; }
.city-autocomplete-item:hover { background: #f3f4f6; }
.modal-overlay { position: fixed; inset: 0; background: rgba(16,24,40,0.45); display: none; align-items: center; justify-content: center; z-index: 50; padding: 20px; }
.modal-overlay.open { display: flex; }
.modal-box { background: #fff; border-radius: var(--radius); width: 100%; max-width: 480px; max-height: 90vh; overflow-y: auto; padding: 24px; }
.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.modal-title { font-size: 16px; font-weight: 700; }
.modal-close { background: none; border: none; font-size: 20px; color: var(--text-muted); padding: 0; cursor: pointer; }
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-muted); }
.stat-strip { display: flex; gap: 24px; padding: 14px 20px; border-top: 1px solid var(--border); font-size: 14px; }
.stat-strip b { color: var(--text); }
.searchbar { display: flex; align-items: center; gap: 8px; padding: 9px 12px; border: 1px solid var(--border); border-radius: 8px; background: #fff; flex: 1; max-width: 360px; }
.searchbar input { border: none; outline: none; flex: 1; font-size: 14px; }
.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.alert-error { background: var(--danger-bg); color: var(--danger-text); padding: 10px 14px; border-radius: 8px; font-size: 13px; margin-bottom: 16px; }

/* ---- KPI cards (dashboard top) ---- */
.kpi-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 20px; }
.kpi-card {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px 24px; border-left: 4px solid var(--brand);
}
.kpi-card.kpi-success { border-left-color: var(--success-text); }
.kpi-card.kpi-danger { border-left-color: var(--danger-text); }
.kpi-label { font-size: 13px; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em; margin-bottom: 8px; }
.kpi-value { font-size: 28px; font-weight: 700; color: var(--text); }
.kpi-card.kpi-success .kpi-value { color: var(--success-text); }
.kpi-card.kpi-danger .kpi-value { color: var(--danger-text); }
@media (max-width: 700px) {
  .kpi-row { grid-template-columns: 1fr; }
}

/* ---- Expiry badge (topbar) ---- */
.expiry-badge { font-size: 12px; padding: 3px 10px; border-radius: 999px; font-weight: 600; }
.expiry-badge.ok { background: var(--neutral-bg); color: var(--neutral-text); }
.expiry-badge.soon { background: var(--warning-bg); color: var(--warning-text); }
.expiry-badge.expired { background: var(--danger-bg); color: var(--danger-text); }

/* ---- Invoice print view (A4: 210mm x 297mm) ---- */
.invoice-page {
  background: #fff;
  width: 210mm;
  min-height: 297mm;
  margin: 24px auto;
  padding: 12mm;
  font-size: 10.5px;
  border: 1px solid #ccc;
  box-shadow: 0 0 8px rgba(0,0,0,0.06);
}
.invoice-page table { width: 100%; border-collapse: collapse; table-layout: fixed; }
.invoice-page td, .invoice-page th { border: 1px solid #000; padding: 5px 7px; font-size: 10px; vertical-align: top; word-wrap: break-word; }
.invoice-header-row { display: flex; justify-content: space-between; border-bottom: 1px solid #000; padding-bottom: 6px; margin-bottom: 8px; }
.invoice-title { font-size: 15px; font-weight: 700; }
.invoice-actions { max-width: 210mm; margin: 16px auto; display: flex; justify-content: flex-end; gap: 8px; }
@page {
  size: A4;
  margin: 12mm;
}
@media print {
  .invoice-actions, .no-print { display: none !important; }
  .invoice-page {
    width: auto;
    min-height: auto;
    border: none;
    box-shadow: none;
    margin: 0;
    padding: 0;
  }
  body { background: #fff; }
}