:root {
  --nnwa-navy: #0A3D62;
  --nnwa-maroon: #8B1E23;
  --nnwa-paper: #F5F8FB;
  --nnwa-white: #ffffff;
  --nnwa-navy-light: #145a8a;
  --nnwa-border: #d8e2ec;
  --nnwa-muted: #5c6b7a;
  --nnwa-success: #1e7e4a;
  --nnwa-warning: #b8860b;
  --font-serif: "Source Serif 4", Georgia, serif;
  --font-sans: "IBM Plex Sans", system-ui, sans-serif;
  --sidebar-width: 260px;
  --topbar-height: 64px;
  --shadow-sm: 0 1px 3px rgba(10, 61, 98, 0.08);
  --shadow-md: 0 4px 16px rgba(10, 61, 98, 0.12);
  --radius: 0.5rem;
}

*, *::before, *::after { box-sizing: border-box; }

body {
  font-family: var(--font-sans);
  color: #1a2b3c;
  background: var(--nnwa-paper);
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6, .font-serif {
  font-family: var(--font-serif);
  color: var(--nnwa-navy);
}

/* Buttons */
.btn-nnwa {
  background: var(--nnwa-navy);
  border-color: var(--nnwa-navy);
  color: var(--nnwa-white);
  font-weight: 600;
  padding: 0.55rem 1.25rem;
  border-radius: var(--radius);
  transition: background 0.2s, transform 0.15s;
}
.btn-nnwa:hover, .btn-nnwa:focus {
  background: var(--nnwa-navy-light);
  border-color: var(--nnwa-navy-light);
  color: var(--nnwa-white);
}
.btn-nnwa:active { transform: translateY(1px); }

.btn-maroon {
  background: var(--nnwa-maroon);
  border-color: var(--nnwa-maroon);
  color: var(--nnwa-white);
  font-weight: 600;
}
.btn-maroon:hover {
  background: #6f181c;
  border-color: #6f181c;
  color: var(--nnwa-white);
}

.btn-outline-nnwa {
  color: var(--nnwa-navy);
  border-color: var(--nnwa-navy);
  font-weight: 600;
}
.btn-outline-nnwa:hover {
  background: var(--nnwa-navy);
  color: var(--nnwa-white);
}

/* Auth layout */
.auth-body {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--nnwa-navy) 0%, #0d5280 50%, var(--nnwa-maroon) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.auth-shell {
  width: 100%;
  max-width: 420px;
}

.auth-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  color: var(--nnwa-white);
}

.auth-brand .brand-name {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.2;
}

.auth-brand .brand-sub {
  font-size: 0.85rem;
  opacity: 0.9;
}

.auth-card {
  background: var(--nnwa-white);
  border-radius: calc(var(--radius) + 4px);
  padding: 2rem;
  box-shadow: var(--shadow-md);
}

.auth-title {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.auth-lead {
  color: var(--nnwa-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.auth-links {
  display: flex;
  justify-content: space-between;
  margin-top: 1.25rem;
  font-size: 0.9rem;
}

.auth-links a { color: var(--nnwa-navy); text-decoration: none; }
.auth-links a:hover { text-decoration: underline; }

.auth-foot {
  text-align: center;
  margin-top: 1.25rem;
  font-size: 0.9rem;
}
.auth-foot a { color: rgba(255,255,255,0.9); text-decoration: none; }
.auth-foot a:hover { color: var(--nnwa-white); }

/* Seal / logo mark */
.seal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--nnwa-maroon);
  color: var(--nnwa-white);
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.75rem;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.seal.sm { width: 40px; height: 40px; font-size: 1.25rem; }

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

.sidebar {
  width: var(--sidebar-width);
  background: var(--nnwa-navy);
  color: var(--nnwa-white);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 1040;
  transition: transform 0.3s ease;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.sidebar-brand strong { display: block; font-size: 1.1rem; }
.sidebar-brand small { opacity: 0.75; font-size: 0.75rem; }

.sidebar-nav {
  flex: 1;
  padding: 1rem 0;
  overflow-y: auto;
}
.sidebar-nav a {
  display: block;
  padding: 0.65rem 1.25rem;
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-size: 0.925rem;
  border-left: 3px solid transparent;
  transition: background 0.15s, color 0.15s;
}
.sidebar-nav a:hover {
  background: rgba(255,255,255,0.08);
  color: var(--nnwa-white);
}
.sidebar-nav a.active {
  background: rgba(255,255,255,0.12);
  color: var(--nnwa-white);
  border-left-color: var(--nnwa-maroon);
  font-weight: 600;
}

.sidebar-logout {
  padding: 1rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.main-area {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  height: var(--topbar-height);
  background: var(--nnwa-white);
  border-bottom: 1px solid var(--nnwa-border);
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  position: sticky;
  top: 0;
  z-index: 1030;
}

.content-area {
  flex: 1;
  padding: 1.5rem;
}

/* Cards */
.card-nnwa {
  background: var(--nnwa-white);
  border: 1px solid var(--nnwa-border);
  border-radius: calc(var(--radius) + 2px);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.card-nnwa .card-header {
  background: var(--nnwa-paper);
  border-bottom: 1px solid var(--nnwa-border);
  padding: 0.85rem 1.25rem;
  font-weight: 600;
  color: var(--nnwa-navy);
  font-family: var(--font-serif);
}
.card-nnwa .card-body { padding: 1.25rem; }

.stat-card {
  background: var(--nnwa-white);
  border: 1px solid var(--nnwa-border);
  border-radius: calc(var(--radius) + 2px);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  height: 100%;
}
.stat-card .stat-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--nnwa-muted);
  margin-bottom: 0.35rem;
}
.stat-card .stat-value {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--nnwa-navy);
  line-height: 1.2;
}
.stat-card .stat-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 61, 98, 0.1);
  color: var(--nnwa-navy);
  font-size: 1.25rem;
}
.stat-card.accent-maroon .stat-value { color: var(--nnwa-maroon); }
.stat-card.accent-maroon .stat-icon { background: rgba(139, 30, 35, 0.1); color: var(--nnwa-maroon); }

/* Dashboard welcome */
.dashboard-hero {
  background: linear-gradient(135deg, var(--nnwa-navy), #0d5280);
  color: var(--nnwa-white);
  border-radius: calc(var(--radius) + 4px);
  padding: 1.75rem 2rem;
  margin-bottom: 1.5rem;
}
.dashboard-hero h1 {
  color: var(--nnwa-white);
  font-size: 1.75rem;
  margin-bottom: 0.35rem;
}
.dashboard-hero p { opacity: 0.9; margin: 0; }

/* Status badges */
.status-badge {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: capitalize;
  padding: 0.35em 0.75em;
  border-radius: 2rem;
}
.badge-draft { background: #e9ecef; color: #495057; }
.badge-submitted { background: #fff3cd; color: #856404; }
.badge-approved, .badge-active { background: #d4edda; color: var(--nnwa-success); }
.badge-rejected { background: #f8d7da; color: var(--nnwa-maroon); }
.badge-pending { background: #cce5ff; color: var(--nnwa-navy); }

/* Forms */
.form-label {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--nnwa-navy);
}
.form-control, .form-select {
  border-color: var(--nnwa-border);
  border-radius: var(--radius);
}
.form-control:focus, .form-select:focus {
  border-color: var(--nnwa-navy);
  box-shadow: 0 0 0 0.2rem rgba(10, 61, 98, 0.15);
}
.form-control:disabled, .form-control[readonly] {
  background: var(--nnwa-paper);
}

.form-section {
  background: var(--nnwa-white);
  border: 1px solid var(--nnwa-border);
  border-radius: calc(var(--radius) + 2px);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}
.form-section-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--nnwa-navy);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--nnwa-maroon);
}

.upload-zone {
  border: 2px dashed var(--nnwa-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
  background: var(--nnwa-paper);
  transition: border-color 0.2s;
}
.upload-zone:hover { border-color: var(--nnwa-navy); }
.upload-zone.has-file { border-color: var(--nnwa-success); border-style: solid; }

.autosave-status {
  font-size: 0.8rem;
  color: var(--nnwa-muted);
}
.autosave-status.saving { color: var(--nnwa-warning); }
.autosave-status.saved { color: var(--nnwa-success); }

/* Tables */
.table-nnwa thead th {
  background: var(--nnwa-paper);
  color: var(--nnwa-navy);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border-bottom: 2px solid var(--nnwa-border);
}
.table-nnwa tbody tr:hover { background: rgba(10, 61, 98, 0.03); }

/* Page headers */
.page-header {
  margin-bottom: 1.5rem;
}
.page-header h1 {
  font-size: 1.75rem;
  margin-bottom: 0.25rem;
}
.page-header .lead {
  color: var(--nnwa-muted);
  margin: 0;
}

/* Notification list */
.notif-item {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--nnwa-border);
}
.notif-item:last-child { border-bottom: none; }
.notif-item.unread { border-left: 3px solid var(--nnwa-maroon); padding-left: 0.75rem; }

/* Review detail */
.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}
.detail-item label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--nnwa-muted);
  margin-bottom: 0.15rem;
}
.detail-item .value {
  font-weight: 500;
  color: #1a2b3c;
}

.doc-preview {
  max-width: 200px;
  border: 1px solid var(--nnwa-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.doc-preview img { width: 100%; height: auto; display: block; }

/* CMS tabs */
.nav-tabs-nnwa .nav-link {
  color: var(--nnwa-navy);
  font-weight: 500;
  border: none;
  border-bottom: 2px solid transparent;
}
.nav-tabs-nnwa .nav-link.active {
  color: var(--nnwa-maroon);
  background: transparent;
  border-bottom-color: var(--nnwa-maroon);
}

/* Chart container */
.chart-wrap {
  position: relative;
  height: 280px;
}

/* Mobile sidebar */
@media (max-width: 991.98px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .main-area {
    margin-left: 0;
  }
  .sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 1035;
  }
  .sidebar-backdrop.show { display: block; }
}

/* DataTables tweaks */
.dataTables_wrapper .dataTables_filter input {
  border: 1px solid var(--nnwa-border);
  border-radius: var(--radius);
  padding: 0.35rem 0.65rem;
}
.dataTables_wrapper .dataTables_paginate .paginate_button.current {
  background: var(--nnwa-navy) !important;
  border-color: var(--nnwa-navy) !important;
  color: var(--nnwa-white) !important;
}