:root {
  --eg-primary: #2563eb;
  --eg-primary-dark: #1d4ed8;
  --eg-sidebar-bg: #111827;
  --eg-sidebar-hover: #1f2937;
  --eg-sidebar-active: #2563eb;
  --eg-topbar-bg: #ffffff;
  --eg-body-bg: #f3f4f6;
  --eg-sidebar-width: 260px;
}

body {
  background-color: var(--eg-body-bg);
  font-family: 'Segoe UI', Roboto, -apple-system, sans-serif;
}

/* ---------- Login ---------- */
.login-body { min-height: 100vh; background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 50%, #1e40af 100%); }
.login-card { width: 100%; max-width: 420px; border-radius: 16px; }
.login-logo { font-size: 2.5rem; color: var(--eg-primary); }

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

.sidebar {
  width: var(--eg-sidebar-width);
  background: var(--eg-sidebar-bg);
  color: #d1d5db;
  min-height: 100vh;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  overflow-y: auto;
  transition: transform .2s ease;
  z-index: 1030;
}
.sidebar .brand { display: flex; align-items: center; white-space: nowrap; overflow: hidden; padding: 1.1rem 1.25rem; font-weight: 700; font-size: 1.15rem; color: #fff; border-bottom: 1px solid rgba(255,255,255,.08); }
.sidebar .brand i { color: var(--eg-primary); margin-right: .5rem; }
.sidebar .nav-link { white-space: nowrap; color: #d1d5db; padding: .65rem 1.25rem; display: flex; align-items: center; gap: .65rem; border-left: 3px solid transparent; }
.sidebar .nav-link i { font-size: 1.05rem; width: 20px; text-align: center; }
.sidebar .nav-link:hover { background: var(--eg-sidebar-hover); color: #fff; }
.sidebar .nav-link.active { background: var(--eg-sidebar-hover); color: #fff; border-left-color: var(--eg-primary); }

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

.topbar {
  background: var(--eg-topbar-bg);
  border-bottom: 1px solid #e5e7eb;
  padding: .65rem 1.25rem;
  position: sticky; top: 0; z-index: 1020;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}

.page-content { padding: 1.5rem; }

.stat-card { border: none; border-radius: 12px; box-shadow: 0 1px 3px rgba(0,0,0,.06); }
.stat-card .stat-icon { width: 48px; height: 48px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1.4rem; }
.stat-card .stat-value { font-size: 1.5rem; font-weight: 700; }

.card { border-radius: 12px; border: none; box-shadow: 0 1px 3px rgba(0,0,0,.06); }

@media (max-width: 991.98px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.show { transform: translateX(0); }
  .main-content { margin-left: 0; }
}

@media print {
  .sidebar, .topbar, .no-print, .btn { display: none !important; }
  .main-content { margin-left: 0 !important; }
  .page-content { padding: 0 !important; }
}

/* ---------- Collapsible sidebar (desktop): icon-only rail ---------- */
.sidebar { transition: width .2s ease, transform .2s ease; }
.main-content { transition: margin-left .2s ease; }

@media (min-width: 992px) {
  body.sidebar-collapsed { --eg-sidebar-width: 72px; }
  body.sidebar-collapsed .sidebar .brand-text,
  body.sidebar-collapsed .sidebar .nav-label { display: none; }
  body.sidebar-collapsed .sidebar .brand { justify-content: center; padding-left: 0; padding-right: 0; }
  body.sidebar-collapsed .sidebar .brand i { margin-right: 0; font-size: 1.3rem; }
  body.sidebar-collapsed .sidebar .nav-link { justify-content: center; padding-left: 0; padding-right: 0; }
  body.sidebar-collapsed .sidebar .nav-link i { font-size: 1.25rem; }
}