/* ============ Admin & Customer portal theme ============ */
:root {
  --primary: #1a3f6f;
  --accent: #f5a623;
  --ink: #1d2733;
  --muted: #5d6b7a;
  --line: #e3e8ee;
  --bg: #f2f5f8;
  --card: #ffffff;
  --success: #1d7f45;
  --error: #b3261e;
  --warn: #a15c00;
  --radius: 10px;
  --sidebar-w: 240px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body.app-body { font-family: "Segoe UI", system-ui, Arial, sans-serif; background: var(--bg); color: var(--ink); line-height: 1.55; }
a { color: var(--primary); text-decoration: none; }

/* Sidebar */
.sidebar { position: fixed; inset: 0 auto 0 0; width: var(--sidebar-w); background: #14243a; color: #d6dfe9; display: flex; flex-direction: column; z-index: 40; }
.sidebar-brand { display: flex; align-items: center; gap: 10px; padding: 18px; font-weight: 800; color: #fff; border-bottom: 1px solid #233850; }
.brand-mark { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; border-radius: 9px; background: var(--accent); color: #20160a; font-weight: 800; }
.sidebar-nav { padding: 12px 10px; display: flex; flex-direction: column; gap: 2px; overflow-y: auto; }
.sidebar-nav a { color: #c4d0dd; padding: 9px 12px; border-radius: 8px; font-size: 14.5px; display: flex; align-items: center; gap: 8px; }
.sidebar-nav a:hover { background: #1d3050; color: #fff; }
.sidebar-nav a.active { background: var(--primary); color: #fff; }

/* Main area */
.app-main { margin-left: var(--sidebar-w); min-height: 100vh; display: flex; flex-direction: column; }
.app-header { display: flex; align-items: center; gap: 16px; background: #fff; border-bottom: 1px solid var(--line); padding: 12px 22px; position: sticky; top: 0; z-index: 30; }
.page-title { font-size: 19px; flex: 1; }
.header-right { display: flex; align-items: center; gap: 12px; }
.role-chip { background: var(--bg); border: 1px solid var(--line); padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .4px; }
.user-name { font-weight: 600; font-size: 14px; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 8px; font-size: 18px; padding: 4px 10px; cursor: pointer; }
.app-content { padding: 22px; flex: 1; }

/* Cards & stats */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.card h3 { margin-bottom: 12px; font-size: 16px; }
.stat-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-bottom: 20px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.stat .stat-label { font-size: 12.5px; color: var(--muted); text-transform: uppercase; letter-spacing: .4px; font-weight: 700; }
.stat .stat-value { font-size: 24px; font-weight: 800; margin-top: 4px; }
.stat.good .stat-value { color: var(--success); }
.stat.bad .stat-value { color: var(--error); }
.stat.info .stat-value { color: var(--primary); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.stack { display: flex; flex-direction: column; gap: 16px; }

/* Tables */
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: 14px; background: #fff; }
table.data th, table.data td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: middle; }
table.data th { background: var(--bg); font-size: 12.5px; text-transform: uppercase; letter-spacing: .4px; color: var(--muted); }
table.data tr:hover td { background: #fafcfe; }
.table-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }

/* Badges */
.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; }
.badge-green { background: #e2f4e9; color: var(--success); }
.badge-red { background: #fde7e5; color: var(--error); }
.badge-yellow { background: #fdf3dc; color: var(--warn); }
.badge-blue { background: #e4edf8; color: var(--primary); }
.badge-gray { background: #eef1f4; color: var(--muted); }
.badge-purple { background: #efe7fa; color: #6b3fc0; }

/* Buttons & forms */
.btn { display: inline-block; padding: 8px 16px; border-radius: 8px; border: 1px solid transparent; font-weight: 600; cursor: pointer; font-size: 14px; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: #142f53; }
.btn-accent { background: var(--accent); color: #20160a; }
.btn-outline { border-color: var(--primary); color: var(--primary); background: #fff; }
.btn-danger { background: var(--error); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-sm { padding: 5px 10px; font-size: 13px; }
.form-grid { display: grid; gap: 14px; }
.form-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
label { font-weight: 600; font-size: 13.5px; display: block; margin-bottom: 5px; }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=date], input[type=tel], input[type=time], input[type=url], select, textarea {
  width: 100%; padding: 9px 12px; border: 1px solid var(--line); border-radius: 8px; font-size: 14px; font-family: inherit; background: #fff;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--primary); border-color: var(--primary); }
.checkline { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.alert { padding: 11px 15px; border-radius: 8px; margin: 12px 22px; font-weight: 600; font-size: 14px; }
.app-content .alert { margin: 0 0 14px; }
.alert-success { background: #e2f4e9; color: var(--success); }
.alert-error { background: #fde7e5; color: var(--error); }

/* Filters bar */
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 16px; }
.toolbar input, .toolbar select { width: auto; min-width: 160px; }
.toolbar .spacer { flex: 1; }

/* Tabs */
.tabs { display: flex; gap: 6px; border-bottom: 2px solid var(--line); margin-bottom: 16px; flex-wrap: wrap; }
.tabs a, .tabs button { padding: 9px 16px; font-weight: 600; border: none; background: none; cursor: pointer; color: var(--muted); border-bottom: 3px solid transparent; font-size: 14px; }
.tabs a.active, .tabs button.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* Pagination */
.pagination-nav { display: flex; gap: 6px; margin-top: 16px; flex-wrap: wrap; }
.page-link { padding: 6px 12px; border: 1px solid var(--line); border-radius: 8px; background: #fff; font-size: 13.5px; }
.page-link.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.page-gap { padding: 6px 4px; color: var(--muted); }

/* Empty / loading states */
.empty { text-align: center; color: var(--muted); padding: 40px 16px; }
.empty .empty-icon { font-size: 34px; margin-bottom: 8px; }
.spinner { display: inline-block; width: 16px; height: 16px; border: 2px solid var(--line); border-top-color: var(--primary); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Toasts */
#toast-root { position: fixed; bottom: 20px; right: 20px; display: flex; flex-direction: column; gap: 10px; z-index: 100; }
.toast { background: #14243a; color: #fff; padding: 12px 18px; border-radius: 10px; box-shadow: 0 6px 22px rgba(0,0,0,.22); font-size: 14px; max-width: 340px; }
.toast.error { background: var(--error); }
.toast.success { background: var(--success); }

/* Charts */
.chart-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.chart-card canvas { width: 100%; height: 220px; }

/* Production board */
.board { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.board-col { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; }
.board-col h3 { font-size: 14px; text-transform: uppercase; letter-spacing: .4px; color: var(--muted); margin-bottom: 10px; }
.board-item { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; margin-bottom: 10px; font-size: 13.5px; }
.board-item .bi-num { font-weight: 800; color: var(--primary); }

/* Auth */
body.auth-body { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(130deg, var(--primary), #2f5f9e); padding: 20px; font-family: "Segoe UI", system-ui, Arial, sans-serif; }
.auth-card { background: #fff; border-radius: 16px; padding: 36px; width: 100%; max-width: 460px; box-shadow: 0 20px 60px rgba(0,0,0,.25); }
.auth-brand { display: flex; align-items: center; gap: 10px; font-weight: 800; color: var(--primary); margin-bottom: 16px; }
.auth-title { font-size: 22px; margin-bottom: 18px; }
.auth-card .form-grid { margin-top: 8px; }
.auth-links { margin-top: 16px; font-size: 14px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }

/* Print (invoice preview) */
.print-sheet { background: #fff; max-width: 820px; margin: 0 auto; padding: 40px; }
@media print {
  .no-print { display: none !important; }
  body.app-body, .app-main { margin: 0; background: #fff; }
  .app-header, .sidebar { display: none !important; }
  .app-content { padding: 0; }
}

/* Responsive app */
@media (max-width: 1100px) {
  .stat-grid { grid-template-columns: repeat(3, 1fr); }
  .chart-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .sidebar { transform: translateX(-100%); transition: transform .2s; }
  .sidebar.open { transform: translateX(0); }
  .app-main { margin-left: 0; }
  .nav-toggle { display: block; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row, .grid-2, .chart-grid { grid-template-columns: 1fr; }
}