/* =========================================================
   Nairopay Design System — Light Premium Minimal
   Reference: Vercel / Linear / Stripe-light / Notion
   ========================================================= */

/* ── 1. Design Tokens ─────────────────────────────────── */
:root {
  /* Canvas */
  --ds-bg:            #FAFAFB;
  --ds-surface:       #FFFFFF;
  --ds-border:        #ECECEF;
  --ds-border-light:  #F4F4F6;

  /* Ink */
  --ds-ink:           #0A0A0B;
  --ds-muted:         #6B7280;
  --ds-subtle:        #9CA3AF;

  /* Accent — override Bootstrap primary */
  --bs-primary:       #4F46E5;
  --bs-primary-rgb:   79, 70, 229;
  --ds-accent:        #4F46E5;
  --ds-accent-hover:  #4338CA;

  /* Status */
  --ds-success:       #16A34A;
  --ds-success-bg:    #F0FDF4;
  --ds-success-border:#BBF7D0;
  --ds-warning:       #CA8A04;
  --ds-warning-bg:    #FEFCE8;
  --ds-warning-border:#FEF08A;
  --ds-danger:        #DC2626;
  --ds-danger-bg:     #FEF2F2;
  --ds-danger-border: #FECACA;
  --ds-neutral:       #374151;
  --ds-neutral-bg:    #F9FAFB;

  /* Shape */
  --ds-radius-sm:     6px;
  --ds-radius:        8px;
  --ds-radius-lg:     12px;
  --ds-radius-xl:     16px;

  /* Shadow — hairline-first depth */
  --ds-shadow-xs:     0 1px 2px 0 rgba(0,0,0,.05);
  --ds-shadow-sm:     0 1px 3px 0 rgba(0,0,0,.07), 0 1px 2px -1px rgba(0,0,0,.04);
  --ds-shadow:        0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.04);
  --ds-shadow-md:     0 10px 15px -3px rgba(0,0,0,.07), 0 4px 6px -4px rgba(0,0,0,.04);

  /* Sidebar */
  --ds-sidebar-w:     240px;
  --ds-sidebar-w-sm:  68px;
  --ds-topbar-h:      60px;

  /* Motion */
  --ds-transition:    150ms ease;
  --ds-transition-md: 200ms ease;
}

/* ── 2. Base / Typography ─────────────────────────────── */
html[data-bs-theme="light"] {
  background-color: var(--ds-bg);
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 0.875rem;
  color: var(--ds-ink);
  background-color: var(--ds-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 { font-weight: 600; color: var(--ds-ink); }

.text-muted { color: var(--ds-muted) !important; }
.text-subtle { color: var(--ds-subtle) !important; }

/* ── 3. Layout Shell ──────────────────────────────────── */
#layout-wrapper { display: flex; min-height: 100vh; }

.main-content {
  flex: 1;
  margin-left: var(--ds-sidebar-w);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  transition: margin-left var(--ds-transition-md);
}

.page-content {
  flex: 1;
  padding: 1.5rem;
  padding-top: calc(var(--ds-topbar-h) + 1.5rem);
}

/* ── 4. Topbar ────────────────────────────────────────── */
#page-topbar {
  position: fixed;
  top: 0;
  left: var(--ds-sidebar-w);
  right: 0;
  height: var(--ds-topbar-h);
  background: var(--ds-surface);
  border-bottom: 1px solid var(--ds-border);
  z-index: 1000;
  transition: left var(--ds-transition-md);
}

.layout-width {
  height: 100%;
  padding: 0 1.5rem;
}

.navbar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Hamburger */
.topnav-hamburger .hamburger-icon {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 4px 2px;
}

.topnav-hamburger .hamburger-icon span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ds-muted);
  border-radius: 2px;
  transition: background var(--ds-transition);
}

.topnav-hamburger:hover .hamburger-icon span { background: var(--ds-ink); }

/* User dropdown in topbar */
.header-profile-user {
  width: 32px;
  height: 32px;
  object-fit: cover;
}

.topbar-user .btn {
  padding: 0.25rem 0.5rem;
  border-radius: var(--ds-radius);
  border: 1px solid transparent;
  transition: background var(--ds-transition), border-color var(--ds-transition);
}

.topbar-user .btn:hover {
  background: var(--ds-bg);
  border-color: var(--ds-border);
}

.dropdown-menu {
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius-lg);
  box-shadow: var(--ds-shadow-md);
  padding: 0.5rem;
  min-width: 200px;
}

.dropdown-item {
  border-radius: var(--ds-radius-sm);
  padding: 0.5rem 0.75rem;
  font-size: 0.8125rem;
  color: var(--ds-ink);
  transition: background var(--ds-transition);
}

.dropdown-item:hover { background: var(--ds-bg); color: var(--ds-ink); }

.dropdown-header {
  padding: 0.5rem 0.75rem 0.25rem;
  font-size: 0.75rem;
  color: var(--ds-subtle);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ── 5. Sidebar ───────────────────────────────────────── */
.app-menu {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--ds-sidebar-w);
  background: var(--ds-surface);
  border-right: 1px solid var(--ds-border);
  z-index: 1001;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: width var(--ds-transition-md);
}

.navbar-brand-box {
  height: var(--ds-topbar-h);
  display: flex;
  align-items: center;
  padding: 0 1.25rem;
  border-bottom: 1px solid var(--ds-border);
  flex-shrink: 0;
}

.navbar-brand-box .logo img {
  max-height: 28px;
  width: auto;
}

#scrollbar {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0.75rem 0;
  scrollbar-width: thin;
  scrollbar-color: var(--ds-border) transparent;
}

#scrollbar::-webkit-scrollbar { width: 4px; }
#scrollbar::-webkit-scrollbar-track { background: transparent; }
#scrollbar::-webkit-scrollbar-thumb { background: var(--ds-border); border-radius: 4px; }

/* Nav items */
#navbar-nav {
  padding: 0 0.75rem;
  list-style: none;
  margin: 0;
}

.menu-title {
  padding: 0.75rem 0.5rem 0.25rem;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ds-subtle);
}

.nav-item { margin-bottom: 1px; }

.nav-link.menu-link {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--ds-radius);
  color: var(--ds-muted);
  font-size: 0.8125rem;
  font-weight: 500;
  text-decoration: none;
  transition: color var(--ds-transition), background var(--ds-transition);
  white-space: nowrap;
}

.nav-link.menu-link i {
  font-size: 1rem;
  flex-shrink: 0;
  color: var(--ds-subtle);
  transition: color var(--ds-transition);
}

.nav-link.menu-link:hover {
  color: var(--ds-ink);
  background: var(--ds-bg);
}

.nav-link.menu-link:hover i { color: var(--ds-accent); }

.nav-link.menu-link.active {
  color: var(--ds-accent);
  background: rgba(79, 70, 229, 0.06);
}

.nav-link.menu-link.active i { color: var(--ds-accent); }

/* Sub-nav */
.menu-dropdown .nav {
  padding-left: 2.25rem;
  padding-bottom: 0.25rem;
}

.menu-dropdown .nav-link {
  padding: 0.375rem 0.5rem;
  border-radius: var(--ds-radius-sm);
  font-size: 0.8125rem;
  color: var(--ds-muted);
  transition: color var(--ds-transition), background var(--ds-transition);
}

.menu-dropdown .nav-link:hover { color: var(--ds-ink); background: var(--ds-bg); }
.menu-dropdown .nav-link.active { color: var(--ds-accent); }

/* ── 6. Cards ─────────────────────────────────────────── */
.card {
  background: var(--ds-surface);
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius-lg);
  box-shadow: var(--ds-shadow-xs);
  transition: box-shadow var(--ds-transition);
}

.card:hover { box-shadow: var(--ds-shadow-sm); }

.card-header {
  background: transparent;
  border-bottom: 1px solid var(--ds-border);
  padding: 1rem 1.25rem;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--ds-ink);
}

.card-body { padding: 1.25rem; }

.card-title { font-size: 0.9375rem; font-weight: 600; color: var(--ds-ink); margin-bottom: 0.25rem; }
.card-subtitle { font-size: 0.8125rem; color: var(--ds-muted); }

/* ── 7. KPI / Stat Tiles ──────────────────────────────── */
.ds-stat-card {
  background: var(--ds-surface);
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius-lg);
  box-shadow: var(--ds-shadow-xs);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: box-shadow var(--ds-transition);
}

.ds-stat-card:hover { box-shadow: var(--ds-shadow-sm); }

.ds-stat-label {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ds-muted);
}

.ds-stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--ds-ink);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  line-height: 1;
}

.ds-stat-delta {
  font-size: 0.75rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
}

.ds-stat-delta.up   { color: var(--ds-success); }
.ds-stat-delta.down { color: var(--ds-danger); }

.ds-stat-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--ds-radius);
  background: rgba(79, 70, 229, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ds-accent);
  font-size: 1.125rem;
  flex-shrink: 0;
}

/* ── 8. Buttons ───────────────────────────────────────── */
.btn {
  font-size: 0.8125rem;
  font-weight: 500;
  border-radius: var(--ds-radius);
  padding: 0.4375rem 0.875rem;
  transition: all var(--ds-transition);
  border-width: 1px;
}

.btn-primary {
  background-color: var(--ds-accent);
  border-color: var(--ds-accent);
  color: #fff;
}

.btn-primary:hover, .btn-primary:focus {
  background-color: var(--ds-accent-hover);
  border-color: var(--ds-accent-hover);
  color: #fff;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

.btn-outline-primary {
  border-color: var(--ds-border);
  color: var(--ds-ink);
  background: transparent;
}

.btn-outline-primary:hover {
  background: var(--ds-bg);
  border-color: var(--ds-border);
  color: var(--ds-ink);
}

.btn-light {
  background: var(--ds-bg);
  border-color: var(--ds-border);
  color: var(--ds-ink);
}

.btn-light:hover {
  background: var(--ds-border-light);
  border-color: var(--ds-border);
  color: var(--ds-ink);
}

/* ── 9. Form Controls ─────────────────────────────────── */
.form-control, .form-select {
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius);
  font-size: 0.875rem;
  color: var(--ds-ink);
  background: var(--ds-surface);
  padding: 0.5rem 0.75rem;
  transition: border-color var(--ds-transition), box-shadow var(--ds-transition);
}

.form-control:focus, .form-select:focus {
  border-color: var(--ds-accent);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12);
  background: var(--ds-surface);
  color: var(--ds-ink);
}

.form-control::placeholder { color: var(--ds-subtle); }

.form-label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--ds-ink);
  margin-bottom: 0.375rem;
}

/* ── 10. Tables ───────────────────────────────────────── */
.table {
  font-size: 0.8125rem;
  color: var(--ds-ink);
}

.table thead th {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ds-muted);
  border-bottom: 1px solid var(--ds-border);
  padding: 0.625rem 0.875rem;
  background: var(--ds-bg);
}

.table td {
  padding: 0.75rem 0.875rem;
  border-bottom: 1px solid var(--ds-border-light);
  vertical-align: middle;
}

.table tbody tr:last-child td { border-bottom: none; }

.table tbody tr:hover td { background: var(--ds-bg); }

/* Tabular nums for amounts */
td.amount, .tabular { font-variant-numeric: tabular-nums; }

/* ── 11. Status Pills ─────────────────────────────────── */
.badge, .ds-pill {
  font-size: 0.6875rem;
  font-weight: 500;
  padding: 0.2rem 0.55rem;
  border-radius: 20px;
  letter-spacing: 0.01em;
  display: inline-flex;
  align-items: center;
}

/* DataTables status pills */
.pill-authorized, .badge-authorized  { background: var(--ds-success-bg);  color: var(--ds-success);  border: 1px solid var(--ds-success-border); }
.pill-declined,   .badge-declined    { background: var(--ds-danger-bg);   color: var(--ds-danger);   border: 1px solid var(--ds-danger-border); }
.pill-rejected,   .badge-rejected    { background: var(--ds-danger-bg);   color: var(--ds-danger);   border: 1px solid var(--ds-danger-border); }
.pill-pending,    .badge-pending     { background: var(--ds-warning-bg);  color: var(--ds-warning);  border: 1px solid var(--ds-warning-border); }
.pill-inactive,   .badge-inactive    { background: var(--ds-neutral-bg);  color: var(--ds-neutral);  border: 1px solid var(--ds-border); }
.pill-active,     .badge-active      { background: var(--ds-success-bg);  color: var(--ds-success);  border: 1px solid var(--ds-success-border); }
.pill-new,        .badge-new         { background: rgba(79,70,229,.07);   color: var(--ds-accent);   border: 1px solid rgba(79,70,229,.18); }

/* Bootstrap badge overrides */
.badge.bg-success { background: var(--ds-success-bg) !important; color: var(--ds-success) !important; border: 1px solid var(--ds-success-border); }
.badge.bg-danger  { background: var(--ds-danger-bg)  !important; color: var(--ds-danger)  !important; border: 1px solid var(--ds-danger-border); }
.badge.bg-warning { background: var(--ds-warning-bg) !important; color: var(--ds-warning) !important; border: 1px solid var(--ds-warning-border); }
.badge.bg-primary { background: rgba(79,70,229,.08)  !important; color: var(--ds-accent)  !important; border: 1px solid rgba(79,70,229,.2); }
.badge.bg-secondary { background: var(--ds-neutral-bg) !important; color: var(--ds-neutral) !important; border: 1px solid var(--ds-border); }

/* ── 12. DataTables overrides ─────────────────────────── */
.dataTables_wrapper .dataTables_length select,
.dataTables_wrapper .dataTables_filter input {
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius);
  font-size: 0.8125rem;
  padding: 0.375rem 0.625rem;
  color: var(--ds-ink);
  background: var(--ds-surface);
}

.dataTables_wrapper .dataTables_filter input:focus {
  border-color: var(--ds-accent);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12);
  outline: none;
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
  border-radius: var(--ds-radius-sm) !important;
  font-size: 0.8125rem !important;
  color: var(--ds-muted) !important;
  border: none !important;
  padding: 0.3rem 0.6rem !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current {
  background: var(--ds-accent) !important;
  color: #fff !important;
  border: none !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button:hover:not(.current) {
  background: var(--ds-bg) !important;
  color: var(--ds-ink) !important;
  border: none !important;
}

.dataTables_wrapper .dataTables_info {
  font-size: 0.8125rem;
  color: var(--ds-muted);
}

/* ── 13. Skeleton / Loading ───────────────────────────── */
.ds-skeleton {
  background: linear-gradient(90deg, var(--ds-border-light) 25%, var(--ds-border) 50%, var(--ds-border-light) 75%);
  background-size: 200% 100%;
  animation: ds-shimmer 1.5s infinite;
  border-radius: var(--ds-radius-sm);
}

@keyframes ds-shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.ds-skeleton-text  { height: 0.875rem; margin-bottom: 0.5rem; }
.ds-skeleton-title { height: 1.25rem; width: 40%; margin-bottom: 0.75rem; }
.ds-skeleton-row   { height: 2.5rem; margin-bottom: 0.5rem; }

/* ── 14. Page breadcrumb / title ──────────────────────── */
.page-title-box { margin-bottom: 1.5rem; }
.page-title-box h4 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--ds-ink);
  margin-bottom: 0.25rem;
}

.breadcrumb {
  font-size: 0.75rem;
  color: var(--ds-muted);
  margin-bottom: 0;
}

.breadcrumb-item + .breadcrumb-item::before { color: var(--ds-border); }
.breadcrumb-item.active { color: var(--ds-muted); }

/* ── 15. Footer ───────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--ds-border);
  padding: 0.875rem 1.5rem;
  font-size: 0.8125rem;
  color: var(--ds-muted);
  background: var(--ds-surface);
}

/* ── 16. Alerts ───────────────────────────────────────── */
.alert {
  border-radius: var(--ds-radius);
  font-size: 0.8125rem;
  padding: 0.75rem 1rem;
  border-width: 1px;
}

.alert-danger  { background: var(--ds-danger-bg);  border-color: var(--ds-danger-border);  color: var(--ds-danger); }
.alert-success { background: var(--ds-success-bg); border-color: var(--ds-success-border); color: var(--ds-success); }
.alert-warning { background: var(--ds-warning-bg); border-color: var(--ds-warning-border); color: var(--ds-warning); }

/* ── 17. Modals ───────────────────────────────────────── */
.modal-content {
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius-xl);
  box-shadow: var(--ds-shadow-md);
}

.modal-header {
  border-bottom: 1px solid var(--ds-border);
  padding: 1rem 1.25rem;
}

.modal-title { font-size: 0.9375rem; font-weight: 600; color: var(--ds-ink); }
.modal-body  { padding: 1.25rem; }
.modal-footer { border-top: 1px solid var(--ds-border); padding: 0.875rem 1.25rem; }

/* ── 18. Auth pages (replaces auth.css) ───────────────── */
.auth-page-wrapper {
  min-height: 100vh;
  background-color: var(--ds-bg);
  display: flex;
  flex-direction: column;
}

.auth-page-content {
  flex: 1;
  display: flex;
  align-items: center;
}

.auth-logo img { max-height: 32px; }

/* Auth card */
.auth-page-content .card {
  border-radius: var(--ds-radius-xl);
  box-shadow: var(--ds-shadow-md);
}

/* ── 19. Error pages (replaces error.css) ─────────────── */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ds-bg);
}

.error-page .error-code {
  font-size: clamp(5rem, 15vw, 8rem);
  font-weight: 800;
  color: var(--ds-border);
  letter-spacing: -0.04em;
  line-height: 1;
}

.error-page h4 { font-size: 1.25rem; font-weight: 700; color: var(--ds-ink); }
.error-page p  { color: var(--ds-muted); font-size: 0.9375rem; }

/* ── 20. Tabs ─────────────────────────────────────────── */
.nav-tabs {
  border-bottom: 1px solid var(--ds-border);
  gap: 0.125rem;
}

.nav-tabs .nav-link {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--ds-muted);
  border: none;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  padding: 0.625rem 1rem;
  transition: color var(--ds-transition), border-color var(--ds-transition);
}

.nav-tabs .nav-link:hover { color: var(--ds-ink); background: transparent; }

.nav-tabs .nav-link.active {
  color: var(--ds-accent);
  background: transparent;
  border-bottom-color: var(--ds-accent);
}

/* ── 21. Report toolbar ───────────────────────────────── */
.report-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: flex-end;
  margin-bottom: 1rem;
}

/* ── 22. Sidebar backdrop (mobile drawer overlay) ────── */
.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 11, 0.45);
  z-index: 1040;
  backdrop-filter: blur(1px);
  -webkit-backdrop-filter: blur(1px);
}

body.sidebar-open .sidebar-backdrop { display: block; }
body.sidebar-open { overflow: hidden; }

/* ── 23. Responsive / Mobile ──────────────────────────── */

/* All screens < 992px (tablet + phone) */
@media (max-width: 991.98px) {

  /* Sidebar: slide-in drawer above everything */
  .app-menu {
    transform: translateX(-100%);
    z-index: 1050;               /* above backdrop(1040) & topbar(1000) */
    box-shadow: none;
    transition: transform 220ms cubic-bezier(.4,0,.2,1),
                box-shadow 220ms ease;
  }

  .app-menu.show {
    transform: translateX(0);
    box-shadow: 8px 0 40px rgba(0,0,0,.14);
  }

  /* Topbar: full-width, no left offset */
  #page-topbar { left: 0; }

  /* Mobile brand logo slot (centred in topbar) */
  .topbar-mobile-brand {
    display: flex !important;
    align-items: center;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
  }

  /* Main content: no sidebar margin */
  .main-content { margin-left: 0; }

  /* Tighter page padding */
  .page-content {
    padding: 0.75rem;
    padding-top: calc(var(--ds-topbar-h) + 0.75rem);
  }

  /* WCAG 2.5.5 touch targets */
  .nav-link.menu-link { min-height: 44px; align-items: center; }
  .btn:not(.btn-close) { min-height: 38px; }
  .dropdown-item      { min-height: 40px; display: flex; align-items: center; }

  /* Full-width modals on mobile */
  .modal-dialog {
    margin: 0.5rem;
    max-width: calc(100vw - 1rem);
  }

  /* Horizontally scrollable nav tabs — no wrapping */
  .nav-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 1px;
  }
  .nav-tabs::-webkit-scrollbar { display: none; }
  .nav-tabs .nav-link { white-space: nowrap; }

  /* Card header toolbars wrap gracefully */
  .card-header { flex-wrap: wrap; row-gap: 0.5rem; }

  /* DataTables always scrollable */
  .dataTables_wrapper { overflow-x: auto; -webkit-overflow-scrolling: touch; }

  /* Compact page title */
  .page-title-box h4 { font-size: 1rem; }

  /* Compact footer */
  .footer { padding: 0.625rem 0.75rem; font-size: 0.75rem; }
}

/* Small phone (< 576px) */
@media (max-width: 575.98px) {
  /* KPI tiles: 2 per row on phones */
  .kpi-row > [class*="col-"] {
    flex: 0 0 50%;
    max-width: 50%;
  }

  .ds-stat-value { font-size: 1.35rem; letter-spacing: -0.01em; }
  .ds-stat-card  { padding: 0.875rem; gap: 0.375rem; }

  /* Card header buttons can shrink */
  .card-header > .btn,
  .card-header > .btn-group { flex: 1 1 auto; }

  /* Auth card: edge-to-edge on very small screens */
  .auth-page-content .card { border-radius: var(--ds-radius); }
}

/* Desktop guard (>= 992px) */
@media (min-width: 992px) {
  /* Backdrop never shown on desktop */
  .sidebar-backdrop { display: none !important; }

  /* Mobile logo never shown on desktop */
  .topbar-mobile-brand { display: none !important; }

  /* Sidebar always visible — cancel any slide state */
  .app-menu { transform: none !important; }

  /* Collapsed sidebar (vertical-hover toggle) */
  .app-menu.sidebar-collapsed {
    width: var(--ds-sidebar-w-sm);
    overflow: hidden;
  }
  .app-menu.sidebar-collapsed .nav-link.menu-link span,
  .app-menu.sidebar-collapsed .menu-title { opacity: 0; pointer-events: none; }

  .main-content.sidebar-collapsed { margin-left: var(--ds-sidebar-w-sm); }
}

/* ── 24. formValidation — Bootstrap 5 visual states ──────
   bootstrap.min.js (patched) uses row.selector = ".mb-3".
   formValidation writes has-error / has-success onto .mb-3;
   help-block is the error message element class.
   ──────────────────────────────────────────────────────── */

/* Invalid field wrapper — formValidation adds has-error to .mb-3 */
.has-error .form-control,
.has-error .form-select {
  border-color: var(--ds-danger);
  background-image: none;
}

.has-error .form-control:focus,
.has-error .form-select:focus {
  border-color: var(--ds-danger);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}

/* Error message */
.help-block {
  display: none;
  font-size: 0.8125rem;
  margin-top: 0.3rem;
  margin-bottom: 0;
}

.has-error .help-block {
  display: block;
  color: var(--ds-danger);
}

/* Label colour on error */
.has-error > label,
.has-error .form-label { color: var(--ds-danger); }

/* Valid state — stay neutral, don't flash green */
.has-success .form-control,
.has-success .form-select { border-color: var(--ds-border); }

.has-success .help-block { display: none; }

/* Input-group inside an invalid field */
.has-error .input-group .form-control { border-color: var(--ds-danger); }

/* ── 25. Focus / A11y ─────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--ds-accent);
  outline-offset: 2px;
}

.btn:focus-visible { box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2); outline: none; }

/* ── Wallet UI ────────────────────────────────────────── */

/* Merchant/entity initials avatar */
.wallet-avatar {
  width: 34px;
  height: 34px;
  border-radius: var(--ds-radius-sm);
  background: rgba(79, 70, 229, 0.08);
  color: var(--ds-accent);
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  letter-spacing: 0.03em;
}

/* Wallet ledger entry icon */
.wallet-entry-icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  flex-shrink: 0;
}
.wallet-entry-icon.entry-credit {
  background: var(--ds-success-bg);
  color: var(--ds-success);
}
.wallet-entry-icon.entry-debit {
  background: var(--ds-neutral-bg);
  color: var(--ds-neutral);
}

/* Status dot */
.status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  margin-right: 4px;
  vertical-align: middle;
}

/* Frozen status pill */
.pill-frozen {
  background: #EFF6FF;
  color: #3B82F6;
  border: 1px solid #BFDBFE;
}

/* Modal icon box */
.ds-modal-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--ds-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  flex-shrink: 0;
  background: rgba(79, 70, 229, 0.08);
  color: var(--ds-accent);
}

/* Segmented control (currency + credit/debit toggle) */
.ds-seg-control {
  display: flex;
  background: var(--ds-bg);
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius-sm);
  padding: 3px;
  gap: 2px;
}
.ds-seg-btn {
  flex: 1;
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 500;
  border: none;
  border-radius: calc(var(--ds-radius-sm) - 2px);
  background: transparent;
  color: var(--ds-muted);
  cursor: pointer;
  transition: background var(--ds-transition), color var(--ds-transition);
}
.ds-seg-btn:hover { background: var(--ds-surface); color: var(--ds-ink); }
.ds-seg-btn.active {
  background: var(--ds-surface);
  color: var(--ds-ink);
  box-shadow: var(--ds-shadow-xs);
  font-weight: 600;
}

/* Utility helpers */
.fw-500 { font-weight: 500 !important; }
.fw-600 { font-weight: 600 !important; }
.fw-700 { font-weight: 700 !important; }