:root {
  --primary: #3B2389;
  --primary-light: #6A4FCB;
  --primary-soft: #F3F0FC;
  --surface: #FFFFFF;
  --surface-alt: #F7F7FB;
  --text-dark: #1E1B2E;
  --text-muted: #6B7280;
  --border-color: #ECEAF5;
  --radius: 14px;
  --shadow-soft: 0 4px 24px rgba(59, 35, 137, 0.08);
  --sidebar-width: 260px;
}

* { box-sizing: border-box; }

body {
  background: var(--surface-alt);
  color: var(--text-dark);
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 15px;
}

/* ---------- Auth pages ---------- */
.auth-bg {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  padding: 20px;
}
.auth-card { width: 100%; max-width: 420px; border-radius: 20px; }
.brand-badge {
  width: 56px; height: 56px; border-radius: 16px;
  background: var(--primary-soft); color: var(--primary);
  display: flex; align-items: center; justify-content: center; font-size: 24px;
}

/* ---------- App shell ---------- */
.app-wrapper { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-width);
  background: var(--surface);
  border-right: 1px solid var(--border-color);
  position: fixed; top: 0; bottom: 0; left: 0;
  overflow-y: auto;
  z-index: 1030;
  transition: transform .25s ease;
}
.sidebar-brand {
  display: flex; align-items: center; gap: 10px;
  padding: 20px 18px; font-weight: 700; font-size: 17px;
  color: var(--primary);
  border-bottom: 1px solid var(--border-color);
}
.sidebar-brand i { font-size: 22px; }
.sidebar-nav { padding: 12px; display: flex; flex-direction: column; gap: 2px; }
.nav-section {
  font-size: 11px; text-transform: uppercase; letter-spacing: .06em;
  color: var(--text-muted); font-weight: 700; margin: 14px 10px 4px;
}
.sidebar-nav .nav-link {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: 10px;
  color: var(--text-dark); font-size: 14px; font-weight: 500;
  transition: all .15s ease;
}
.sidebar-nav .nav-link i { font-size: 16px; width: 18px; text-align: center; color: var(--text-muted); }
.sidebar-nav .nav-link:hover { background: var(--primary-soft); color: var(--primary); }
.sidebar-nav .nav-link:hover i { color: var(--primary); }
.sidebar-nav .nav-link.active { background: var(--primary); color: #fff; }
.sidebar-nav .nav-link.active i { color: #fff; }

.main-content { margin-left: var(--sidebar-width); flex: 1; min-width: 0; width: 100%; }

.topbar {
  background: rgba(255,255,255,0.85); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 24px; display: flex; align-items: center; gap: 16px;
  position: sticky; top: 0; z-index: 1020;
}
.global-search {
  flex: 1; max-width: 420px; background: var(--surface-alt);
  border-radius: 10px; padding: 6px 12px; align-items: center; gap: 8px;
  border: 1px solid var(--border-color);
}
.global-search i { color: var(--text-muted); }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.avatar-circle {
  width: 30px; height: 30px; border-radius: 50%; background: var(--primary);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 13px;
}

.page-content { padding: 24px; }

/* ---------- Cards ---------- */
.card { border: 1px solid var(--border-color); border-radius: var(--radius); box-shadow: var(--shadow-soft); }
.stat-card {
  background: var(--surface); border-radius: var(--radius);
  padding: 20px; border: 1px solid var(--border-color);
  box-shadow: var(--shadow-soft);
  transition: transform .2s ease, box-shadow .2s ease;
}
.stat-card:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(59,35,137,0.14); }
.stat-icon {
  width: 44px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: var(--primary-soft); color: var(--primary); font-size: 20px; margin-bottom: 12px;
}
.stat-value { font-size: 26px; font-weight: 800; color: var(--text-dark); }
.stat-label { font-size: 13px; color: var(--text-muted); font-weight: 500; }

.glass-panel {
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: var(--radius);
}

/* ---------- Buttons ---------- */
.btn-primary { background: var(--primary); border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-light); border-color: var(--primary-light); }
.btn { border-radius: 10px; font-weight: 500; }

/* ---------- Tables ---------- */
.table-responsive { border-radius: var(--radius); overflow: hidden; }
.table { margin-bottom: 0; }
.table thead th {
  background: var(--surface-alt); color: var(--text-muted);
  font-size: 12px; text-transform: uppercase; letter-spacing: .04em;
  font-weight: 700; border-bottom: none; padding: 12px 16px;
}
.table td { padding: 12px 16px; vertical-align: middle; border-color: var(--border-color); }

/* ---------- Badges ---------- */
.badge { font-weight: 600; padding: 6px 10px; border-radius: 8px; }

/* ---------- Forms ---------- */
.form-label { font-weight: 600; font-size: 13.5px; }
.form-control, .form-select { border-radius: 10px; border-color: var(--border-color); padding: 9px 12px; }
.form-control:focus, .form-select:focus { border-color: var(--primary-light); box-shadow: 0 0 0 3px rgba(59,35,137,0.12); }

/* ---------- Empty state ---------- */
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-muted); }
.empty-state i { font-size: 48px; color: var(--border-color); margin-bottom: 12px; display: block; }

/* ---------- Invoice print ---------- */
.invoice-sheet { background: #fff; max-width: 800px; margin: 0 auto; padding: 40px; border-radius: var(--radius); }

@page {
  size: A4;
  margin: 12mm;
}

@media print {
  /* Only the invoice (or whatever content is marked print-target) should print -
     hide all surrounding app chrome regardless of which page this is. */
  .no-print,
  .sidebar,
  .topbar,
  .navbar,
  nav[aria-label="breadcrumb"],
  .alert { display: none !important; }

  .main-content { margin-left: 0 !important; }
  .page-content { padding: 0 !important; }
  .app-wrapper { display: block !important; }

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

  /* Bootstrap's col-md-* breakpoints can collapse to full width when printing,
     since some browsers report a narrower viewport for the print context.
     Force the invoice's two-column rows to stay side-by-side on paper. */
  .invoice-sheet .row {
    display: flex !important;
    flex-wrap: nowrap !important;
  }
  .invoice-sheet .row > [class*="col-"] {
    flex: 0 0 50% !important;
    max-width: 50% !important;
  }

  body { background: #fff !important; }
}

/* ---------- Responsive ---------- */
@media (max-width: 991.98px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.show { transform: translateX(0); }
  .main-content { margin-left: 0; }
}
.table-responsive { -webkit-overflow-scrolling: touch; }