/* ============================================================
   Alter Banking Theme — Professional Backoffice
   ============================================================ */

:root {
  --alter-dark:       #0f1e3c;
  --alter-dark-mid:   #162040;
  --alter-primary:    #481F05;
  --alter-accent:     #c97b3a;
  --alter-bg:         #f0f2f5;
  --alter-surface:    #ffffff;
  --alter-border:     #dde2ec;
  --alter-text:       #1c2537;
  --alter-muted:      #6b7a99;
  --alter-success:    #1a7a4a;
  --alter-danger:     #b52a2a;
  --alter-info:       #1565a4;
}

/* ── Global ─────────────────────────────────────────────── */
body {
  background-color: var(--alter-bg);
  color: var(--alter-text);
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-size: 0.875rem;
}

main > .container {
  padding-top: 2rem;
  padding-bottom: 2.5rem;
}

/* ── Navbar ─────────────────────────────────────────────── */
.alter-navbar {
  background-color: var(--alter-dark);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.28);
  padding-top: 0;
  padding-bottom: 0;
  min-height: 56px;
}

.alter-navbar .navbar-brand {
  display: flex;
  align-items: center;
  padding: 0;
  margin-right: 2rem;
}

.alter-navbar .navbar-brand svg,
.alter-navbar .navbar-brand img {
  height: 22px;
  width: auto;
  filter: brightness(0) invert(1);
}

.alter-navbar .nav-link {
  color: rgba(255, 255, 255, 0.68) !important;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: 1.1rem 0.875rem !important;
  border-bottom: 2px solid transparent;
  border-top: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}

.alter-navbar .nav-link:hover {
  color: #ffffff !important;
  border-bottom-color: rgba(255, 255, 255, 0.3);
}

.alter-navbar .nav-link.active,
.alter-navbar .nav-item.active .nav-link {
  color: #ffffff !important;
  border-bottom-color: var(--alter-accent);
}

.alter-navbar .navbar-text {
  color: rgba(255, 255, 255, 0.55) !important;
  font-size: 0.8rem;
}

.alter-navbar .btn-link.nav-link {
  color: rgba(255, 255, 255, 0.68) !important;
  text-decoration: none;
  background: none;
  border: none;
  padding: 1.1rem 0.875rem !important;
}

.alter-navbar .btn-link.nav-link:hover {
  color: #ffffff !important;
}

.alter-navbar .navbar-toggler {
  border-color: rgba(255, 255, 255, 0.2);
}

.alter-navbar .navbar-toggler-icon {
  filter: invert(1);
}

/* Divider between main nav and user nav */
.alter-navbar .navbar-nav + .navbar-nav {
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  padding-left: 1rem;
  margin-left: 0.5rem;
}

/* ── Page-level headings ─────────────────────────────────── */
h1, .h1 {
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--alter-text);
}

h2, .h2 {
  font-size: 1.125rem;
  font-weight: 600;
}

h5, h6 {
  font-weight: 600;
}

/* ── Cards ───────────────────────────────────────────────── */
.card {
  border: 1px solid var(--alter-border);
  border-radius: 8px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  background-color: var(--alter-surface);
}

.card-header {
  background-color: #fafbfd;
  border-bottom: 1px solid var(--alter-border);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--alter-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding: 0.75rem 1.25rem;
  border-radius: 8px 8px 0 0 !important;
}

.card-body {
  padding: 1.25rem;
}

/* ── Tables ──────────────────────────────────────────────── */
.table {
  font-size: 0.8125rem;
  border-color: var(--alter-border);
  margin-bottom: 0;
  background-color: var(--alter-surface);
}

/* Wrap standalone tables in a card-like container */
.table-responsive,
.table:not(.table-sm):not(.table-borderless) {
  border: 1px solid var(--alter-border);
  border-radius: 8px;
  overflow: hidden;
}

.table:not(.table-sm):not(.table-borderless) {
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

.table thead th {
  background-color: #f7f8fb;
  color: var(--alter-muted);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  border-bottom: 1px solid var(--alter-border);
  border-top: none;
  padding: 0.625rem 0.875rem;
  white-space: nowrap;
}

.table tbody td {
  padding: 0.7rem 0.875rem;
  vertical-align: middle;
  border-color: var(--alter-border);
  color: var(--alter-text);
}

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

.table-hover tbody tr:hover {
  background-color: #f4f6fb;
  cursor: pointer;
}

.table-sm thead th {
  font-size: 0.7rem;
  padding: 0.4rem 0.625rem;
}

.table-sm tbody td {
  padding: 0.4rem 0.625rem;
}

/* ── Badges ──────────────────────────────────────────────── */
.badge {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.3em 0.65em;
  border-radius: 4px;
}

.badge.bg-success {
  background-color: #d1f0e0 !important;
  color: var(--alter-success) !important;
}

.badge.bg-danger {
  background-color: #fde8e8 !important;
  color: var(--alter-danger) !important;
}

.badge.bg-info {
  background-color: #dbeafe !important;
  color: var(--alter-info) !important;
}

.badge.bg-warning {
  background-color: #fef3c7 !important;
  color: #92400e !important;
}

.badge.bg-secondary {
  background-color: #e8ecf4 !important;
  color: var(--alter-muted) !important;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  font-size: 0.8125rem;
  font-weight: 500;
  border-radius: 6px;
  letter-spacing: 0.01em;
}

.btn-primary {
  background-color: var(--alter-dark);
  border-color: var(--alter-dark);
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--alter-dark-mid);
  border-color: var(--alter-dark-mid);
}

.btn-primary:active {
  background-color: #0a1628;
  border-color: #0a1628;
}

.btn-outline-primary {
  color: var(--alter-dark);
  border-color: var(--alter-dark);
}

.btn-outline-primary:hover {
  background-color: var(--alter-dark);
  border-color: var(--alter-dark);
  color: #fff;
}

.btn-outline-secondary {
  color: var(--alter-muted);
  border-color: var(--alter-border);
}

.btn-outline-secondary:hover {
  background-color: #f4f6fb;
  border-color: #c0c9dc;
  color: var(--alter-text);
}

.btn-sm {
  font-size: 0.75rem;
  padding: 0.3rem 0.75rem;
}

/* ── Forms ───────────────────────────────────────────────── */
.form-control,
.form-select {
  border-color: var(--alter-border);
  border-radius: 6px;
  font-size: 0.8125rem;
  color: var(--alter-text);
  background-color: var(--alter-surface);
}

.form-control:focus,
.form-select:focus {
  border-color: #5a7af4;
  box-shadow: 0 0 0 3px rgba(90, 122, 244, 0.1);
}

.form-control::placeholder {
  color: #b0bacf;
}

.form-label {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--alter-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.375rem;
}

.form-text {
  font-size: 0.75rem;
  color: var(--alter-muted);
}

.input-group-text {
  background-color: #f7f8fb;
  border-color: var(--alter-border);
  color: var(--alter-muted);
  font-size: 0.8125rem;
}

/* ── Breadcrumb ──────────────────────────────────────────── */
.breadcrumb {
  font-size: 0.78rem;
  margin-bottom: 1rem;
}

.breadcrumb-item a {
  color: var(--alter-muted);
  text-decoration: none;
}

.breadcrumb-item a:hover {
  color: var(--alter-text);
}

.breadcrumb-item.active {
  color: var(--alter-text);
  font-weight: 500;
}

.breadcrumb-item + .breadcrumb-item::before {
  color: #c0c9dc;
}

/* ── Nav tabs ────────────────────────────────────────────── */
.nav-tabs {
  border-bottom: 1px solid var(--alter-border);
}

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

.nav-tabs .nav-link.active {
  color: var(--alter-dark);
  font-weight: 600;
  border-bottom: 2px solid var(--alter-dark);
  background: transparent;
}

.nav-tabs .nav-link:hover:not(.active) {
  color: var(--alter-text);
  border-bottom-color: var(--alter-border);
}

/* ── Alerts ──────────────────────────────────────────────── */
.alert {
  border-radius: 8px;
  font-size: 0.8125rem;
  border-width: 1px;
  border-left-width: 4px;
}

.alert-danger {
  background-color: #fef5f5;
  border-color: #f5c6c6;
  border-left-color: #dc3545;
  color: #7f1d1d;
}

.alert-success {
  background-color: #f0fdf4;
  border-color: #bbf7d0;
  border-left-color: #22c55e;
  color: #14532d;
}

.alert-warning {
  background-color: #fffbeb;
  border-color: #fde68a;
  border-left-color: #f59e0b;
  color: #78350f;
}

.alert-info {
  background-color: #eff6ff;
  border-color: #bfdbfe;
  border-left-color: #3b82f6;
  color: #1e3a5f;
}

/* ── Pagination ──────────────────────────────────────────── */
.pagination .page-link {
  font-size: 0.8rem;
  color: var(--alter-text);
  border-color: var(--alter-border);
  padding: 0.35rem 0.7rem;
}

.pagination .page-item.active .page-link {
  background-color: var(--alter-dark);
  border-color: var(--alter-dark);
  color: #fff;
}

.pagination .page-link:hover {
  background-color: #f4f6fb;
  border-color: #c0c9dc;
}

.pagination .page-item.disabled .page-link {
  color: #b0bacf;
}

/* ── Footer ──────────────────────────────────────────────── */
.alter-footer {
  background-color: var(--alter-dark);
  border-top: none;
  padding: 0.875rem 0;
}

.alter-footer .text-muted {
  color: rgba(255, 255, 255, 0.35) !important;
  font-size: 0.75rem;
}

/* ── Dropdown ────────────────────────────────────────────── */
.dropdown-menu {
  border: 1px solid var(--alter-border);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12), 0 2px 6px rgba(0, 0, 0, 0.06);
  font-size: 0.8125rem;
  padding: 0.375rem;
}

.dropdown-item {
  border-radius: 5px;
  padding: 0.45rem 0.75rem;
  color: var(--alter-text);
}

.dropdown-item:hover {
  background-color: #f4f6fb;
}

.dropdown-divider {
  border-color: var(--alter-border);
  margin: 0.25rem 0;
}

/* ── Code ────────────────────────────────────────────────── */
code {
  color: var(--alter-primary);
  background-color: rgba(72, 31, 5, 0.07);
  border-radius: 3px;
  padding: 0.1em 0.4em;
  font-size: 0.8em;
}

/* ── Modals ──────────────────────────────────────────────── */
.modal-content {
  border: none;
  border-radius: 10px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.modal-header {
  border-bottom: 1px solid var(--alter-border);
  padding: 1.125rem 1.375rem 1rem;
}

.modal-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--alter-text);
}

.modal-footer {
  border-top: 1px solid var(--alter-border);
  padding: 0.875rem 1.375rem;
}

.modal-body {
  padding: 1.25rem 1.375rem;
}

/* ── Definition list ─────────────────────────────────────── */
dl.row dt {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--alter-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding-top: 0.15rem;
}

dl.row dd {
  font-size: 0.875rem;
  color: var(--alter-text);
  margin-bottom: 0.75rem;
}

dl.row dd:last-child {
  margin-bottom: 0;
}

/* ── Dashboard stat cards ────────────────────────────────── */
.stat-card {
  background: var(--alter-surface);
  border: 1px solid var(--alter-border);
  border-radius: 10px;
  padding: 1.375rem 1.5rem;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--alter-dark), var(--alter-accent));
  opacity: 0.7;
}

.stat-card .stat-label {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--alter-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 0.5rem;
}

.stat-card .stat-value {
  font-size: 1.625rem;
  font-weight: 700;
  color: var(--alter-text);
  line-height: 1;
  margin-bottom: 0;
}

.stat-card .stat-icon {
  position: absolute;
  right: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2rem;
  opacity: 0.07;
  pointer-events: none;
}

/* ── Scrollbar ───────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: #eef0f5;
}

::-webkit-scrollbar-thumb {
  background: #c1c9d6;
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: #a0acbc;
}

/* ── Utility: Section heading inside content ─────────────── */
.section-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--alter-muted);
  margin-bottom: 0.875rem;
}

/* ── Spinner ─────────────────────────────────────────────── */
.spinner-border-sm {
  border-width: 0.15em;
}