/* ================================================================
   components.css — Reusable UI Components
   ================================================================
   All classes use the gbo- prefix. BEM naming:
     gbo-{block}
     gbo-{block}__{element}
     gbo-{block}--{modifier}
   ================================================================ */

/* ── Navigation ── */
.gbo-nav {
  background: var(--gbo-nav-bg);
  color: var(--gbo-nav-text);
  display: flex;
  align-items: center;
  padding: var(--gbo-space-3) var(--gbo-space-6);
  gap: var(--gbo-space-6);
  border-bottom: 1px solid rgba(167, 139, 250, 0.15);
  position: sticky;
  top: 0;
  z-index: 100;
}

.gbo-nav__brand {
  flex-shrink: 0;
}

.gbo-nav__logo {
  display: flex;
  align-items: center;
  gap: var(--gbo-space-2);
  text-decoration: none;
  color: var(--gbo-nav-text);
}

.gbo-nav__logo-icon {
  font-size: var(--gbo-text-lg);
  color: var(--gbo-purple-400);
}

.gbo-nav__logo-text {
  font-family: var(--gbo-font-display);
  font-weight: 700;
  font-size: var(--gbo-text-lg);
  background: linear-gradient(120deg, var(--gbo-purple-400), var(--gbo-blue-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gbo-nav__links {
  display: flex;
  gap: var(--gbo-space-1);
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}

.gbo-nav__links a {
  color: var(--gbo-nav-text);
  text-decoration: none;
  font-size: var(--gbo-text-sm);
  padding: var(--gbo-space-2) var(--gbo-space-3);
  border-radius: var(--gbo-radius-md);
  transition: background var(--gbo-transition-fast), color var(--gbo-transition-fast);
  display: flex;
  align-items: center;
  gap: var(--gbo-space-2);
  white-space: nowrap;
}

.gbo-nav__links a:hover,
.gbo-nav__links a.active {
  background: rgba(167, 139, 250, 0.12);
  color: var(--gbo-nav-accent);
}

.gbo-nav__actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: var(--gbo-space-3);
  flex-shrink: 0;
}

.gbo-nav__user {
  font-size: var(--gbo-text-sm);
  color: var(--gbo-nav-text);
  font-family: var(--gbo-font-mono);
  opacity: 0.7;
}

/* Mobile nav toggle */
.gbo-nav__mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--gbo-nav-text);
  font-size: var(--gbo-text-xl);
  cursor: pointer;
  padding: var(--gbo-space-2);
}

@media (max-width: 768px) {
  .gbo-nav {
    flex-wrap: wrap;
    padding: var(--gbo-space-2) var(--gbo-space-4);
  }
  .gbo-nav__mobile-toggle {
    display: block;
    margin-left: auto;
    order: 2;
  }
  .gbo-nav__links {
    display: none;
    width: 100%;
    order: 10;
    flex-direction: column;
    gap: 0;
    padding-top: var(--gbo-space-2);
  }
  .gbo-nav__links.open {
    display: flex;
  }
  .gbo-nav__links a {
    padding: var(--gbo-space-3) var(--gbo-space-3);
  }
  .gbo-nav__actions {
    order: 3;
    margin-left: 0;
  }
}


/* ── Cards ── */
.gbo-card {
  background: var(--gbo-bg-secondary);
  border: 1px solid var(--gbo-border-color);
  border-radius: var(--gbo-radius-lg);
  padding: var(--gbo-space-6);
  box-shadow: var(--gbo-shadow-card);
  transition: box-shadow var(--gbo-transition-base);
}

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

.gbo-card--narrow {
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}

.gbo-card--flush {
  padding: 0;
}

.gbo-card__header {
  padding: var(--gbo-space-4) var(--gbo-space-6);
  border-bottom: 1px solid var(--gbo-border-subtle);
  font-family: var(--gbo-font-display);
  font-size: var(--gbo-text-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--gbo-text-secondary);
}

.gbo-card__body {
  padding: var(--gbo-space-6);
}


/* ── Tables ── */
.gbo-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--gbo-text-sm);
}

.gbo-table th {
  font-family: var(--gbo-font-mono);
  font-size: var(--gbo-text-xs);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--gbo-text-secondary);
  padding: var(--gbo-space-3) var(--gbo-space-4);
  border-bottom: 2px solid var(--gbo-border-color);
  text-align: left;
  white-space: nowrap;
}

.gbo-table td {
  padding: var(--gbo-space-3) var(--gbo-space-4);
  border-bottom: 1px solid var(--gbo-border-subtle);
  color: var(--gbo-text-primary);
  vertical-align: middle;
}

.gbo-table tbody tr:nth-child(even) {
  background: var(--gbo-table-stripe);
}

.gbo-table tbody tr:hover {
  background: var(--gbo-table-hover);
}

.gbo-table tfoot td,
.gbo-table tfoot th {
  border-top: 2px solid var(--gbo-border-color);
  border-bottom: none;
  font-weight: 700;
}

/* Sortable headers (TableSort integration) */
.gbo-table th[role="columnheader"]:not(.no-sort) {
  cursor: pointer;
  user-select: none;
}

.gbo-table th[role="columnheader"]:not(.no-sort):hover {
  color: var(--gbo-accent);
}

.gbo-table th[aria-sort="ascending"]::after {
  content: " \25B2";
  font-size: 0.7em;
  color: var(--gbo-accent);
}

.gbo-table th[aria-sort="descending"]::after {
  content: " \25BC";
  font-size: 0.7em;
  color: var(--gbo-accent);
}

/* Compact table variant (less padding for dense data) */
.gbo-table--compact th {
  padding: var(--gbo-space-2) var(--gbo-space-3);
}

.gbo-table--compact td {
  padding: var(--gbo-space-2) var(--gbo-space-3);
}

/* Responsive table wrapper */
.gbo-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}


/* ── Buttons ── */
.gbo-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--gbo-space-2);
  padding: var(--gbo-space-2) var(--gbo-space-4);
  border-radius: var(--gbo-radius-md);
  font-family: var(--gbo-font-body);
  font-size: var(--gbo-text-sm);
  font-weight: 500;
  color: var(--gbo-text-primary);
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--gbo-transition-fast);
  line-height: 1.5;
  white-space: nowrap;
}

.gbo-btn:focus-visible {
  outline: 2px solid var(--gbo-accent);
  outline-offset: 2px;
}

/* Prevent base a { color } from bleeding into button links */
a.gbo-btn { color: var(--gbo-text-primary); }
a.gbo-btn--warning { color: var(--gbo-warning); }
a.gbo-btn--danger { color: var(--gbo-negative); }

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

.gbo-btn--secondary {
  background: var(--gbo-bg-tertiary);
  color: var(--gbo-text-primary);
  border-color: var(--gbo-border-color);
}
.gbo-btn--secondary:hover {
  background: var(--gbo-bg-hover);
}

.gbo-btn--ghost {
  background: transparent;
  color: var(--gbo-text-secondary);
  border-color: var(--gbo-border-color);
}
.gbo-btn--ghost:hover {
  background: var(--gbo-bg-hover);
  color: var(--gbo-text-primary);
}

.gbo-btn--danger {
  background: transparent;
  color: var(--gbo-negative);
  border-color: var(--gbo-negative);
}
.gbo-btn--danger:hover {
  background: var(--gbo-negative);
  color: #fff;
}
.gbo-btn--warning {
  background: transparent;
  color: var(--gbo-warning);
  border-color: var(--gbo-warning);
}
.gbo-btn--warning:hover {
  background: var(--gbo-warning);
  color: #fff;
}

.gbo-btn--sm {
  padding: var(--gbo-space-1) var(--gbo-space-3);
  font-size: var(--gbo-text-xs);
}

.gbo-btn--icon {
  padding: var(--gbo-space-2);
  width: 2.25rem;
  height: 2.25rem;
  justify-content: center;
}

.gbo-btn--nav {
  background: transparent;
  color: var(--gbo-nav-text);
  border: none;
  padding: var(--gbo-space-2) var(--gbo-space-3);
  font-size: var(--gbo-text-sm);
}
.gbo-btn--nav:hover {
  background: rgba(167, 139, 250, 0.12);
  color: var(--gbo-nav-accent);
}


/* ── Forms ── */
.gbo-form-group {
  margin-bottom: var(--gbo-space-5);
}

.gbo-label {
  display: block;
  font-weight: 500;
  font-size: var(--gbo-text-sm);
  color: var(--gbo-text-primary);
  margin-bottom: var(--gbo-space-1);
}

/* Override Bootstrap form controls within gbo context */
.gbo-card .form-control,
.gbo-card .form-select,
.gbo-form-group .form-control,
.gbo-form-group .form-select {
  background: var(--gbo-bg-primary);
  color: var(--gbo-text-primary);
  border-color: var(--gbo-border-color);
  border-radius: var(--gbo-radius-md);
}

.gbo-card .form-control:focus,
.gbo-card .form-select:focus,
.gbo-form-group .form-control:focus,
.gbo-form-group .form-select:focus {
  border-color: var(--gbo-accent);
  box-shadow: 0 0 0 3px var(--gbo-accent-subtle);
}

.gbo-field-error {
  color: var(--gbo-negative);
  font-size: var(--gbo-text-xs);
  margin-top: var(--gbo-space-1);
}

.gbo-field-help {
  color: var(--gbo-text-muted);
  font-size: var(--gbo-text-xs);
  margin-top: var(--gbo-space-1);
}

.gbo-form-actions {
  display: flex;
  gap: var(--gbo-space-3);
  margin-top: var(--gbo-space-6);
}


/* ── Alerts ── */
.gbo-alert {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--gbo-space-3) var(--gbo-space-4);
  border-radius: var(--gbo-radius-md);
  font-size: var(--gbo-text-sm);
  margin-bottom: var(--gbo-space-3);
}

.gbo-alert--success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--gbo-positive);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.gbo-alert--error,
.gbo-alert--danger {
  background: rgba(239, 68, 68, 0.1);
  color: var(--gbo-negative);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.gbo-alert--warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--gbo-warning);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.gbo-alert--info {
  background: var(--gbo-accent-subtle);
  color: var(--gbo-accent);
  border: 1px solid rgba(139, 92, 246, 0.2);
}

.gbo-alert__close {
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  font-size: var(--gbo-text-lg);
  opacity: 0.6;
  padding: 0 var(--gbo-space-2);
  line-height: 1;
}

.gbo-alert__close:hover {
  opacity: 1;
}

/* Messages container */
.gbo-messages {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--gbo-space-3) var(--gbo-space-4) 0;
}


/* ── Badges / Status Indicators ── */
.gbo-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--gbo-space-1);
  padding: var(--gbo-space-1) var(--gbo-space-2);
  border-radius: var(--gbo-radius-full);
  font-size: var(--gbo-text-xs);
  font-weight: 600;
  font-family: var(--gbo-font-mono);
  white-space: nowrap;
}

.gbo-badge--on-track {
  background: rgba(16, 185, 129, 0.1);
  color: var(--gbo-positive);
}

.gbo-badge--warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--gbo-warning);
}

.gbo-badge--overspent {
  background: rgba(239, 68, 68, 0.1);
  color: var(--gbo-negative);
}

.gbo-badge--pending {
  background: rgba(100, 116, 139, 0.1);
  color: var(--gbo-text-muted);
}

.gbo-badge--accent {
  background: var(--gbo-accent-subtle);
  color: var(--gbo-accent);
}


/* ── Page Header ── */
.gbo-page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--gbo-space-6);
  flex-wrap: wrap;
  gap: var(--gbo-space-3);
}

.gbo-heading {
  font-family: var(--gbo-font-display);
  font-size: var(--gbo-text-2xl);
  font-weight: 700;
  color: var(--gbo-text-primary);
  letter-spacing: 0.02em;
  margin: 0;
}

.gbo-heading--sm {
  font-size: var(--gbo-text-lg);
}


/* ── Empty State ── */
.gbo-empty-state {
  text-align: center;
  padding: var(--gbo-space-12) var(--gbo-space-6);
  color: var(--gbo-text-muted);
}

.gbo-empty-state i {
  font-size: 2.5rem;
  margin-bottom: var(--gbo-space-4);
  display: block;
  color: var(--gbo-purple-300);
}

.gbo-empty-state p {
  margin-bottom: var(--gbo-space-4);
}


/* ── Pagination ── */
.gbo-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--gbo-space-4);
  padding: var(--gbo-space-4) 0;
}

.gbo-pagination__info {
  font-size: var(--gbo-text-sm);
  color: var(--gbo-text-muted);
  font-family: var(--gbo-font-mono);
}


/* ── Detail List (for detail views) ── */
.gbo-detail-list {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--gbo-space-3) var(--gbo-space-6);
  font-size: var(--gbo-text-sm);
}

.gbo-detail-list dt {
  font-family: var(--gbo-font-mono);
  font-size: var(--gbo-text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gbo-text-secondary);
  font-weight: 700;
}

.gbo-detail-list dd {
  margin: 0;
  color: var(--gbo-text-primary);
}


/* ── Auth Layout (centered card for login/signup) ── */
.gbo-auth-layout {
  min-height: calc(100vh - 60px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--gbo-space-8);
}

.gbo-auth-card {
  width: 100%;
  max-width: 440px;
}

.gbo-auth-card .gbo-heading {
  text-align: center;
  margin-bottom: var(--gbo-space-6);
}

.gbo-auth-card .gbo-logo {
  text-align: center;
  margin-bottom: var(--gbo-space-6);
}

.gbo-auth-card .gbo-logo-text {
  font-family: var(--gbo-font-display);
  font-weight: 700;
  font-size: var(--gbo-text-xl);
  background: linear-gradient(120deg, var(--gbo-purple-400), var(--gbo-blue-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}


/* ── Confirm box (for delete confirmations) ── */
.gbo-confirm {
  text-align: center;
  padding: var(--gbo-space-6);
}

.gbo-confirm__icon {
  font-size: 2rem;
  color: var(--gbo-negative);
  margin-bottom: var(--gbo-space-4);
}

.gbo-confirm__message {
  font-size: var(--gbo-text-base);
  color: var(--gbo-text-primary);
  margin-bottom: var(--gbo-space-6);
}

.gbo-confirm__actions {
  display: flex;
  gap: var(--gbo-space-3);
  justify-content: center;
}


/* ── Tabs ── */
.gbo-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--gbo-border-color);
  padding: 0 var(--gbo-space-4);
}

.gbo-tabs__btn {
  padding: var(--gbo-space-3) var(--gbo-space-5);
  font-family: var(--gbo-font-mono);
  font-size: var(--gbo-text-sm);
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--gbo-text-muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: color var(--gbo-transition-fast), border-color var(--gbo-transition-fast);
  white-space: nowrap;
}

.gbo-tabs__btn:hover {
  color: var(--gbo-text-primary);
}

.gbo-tabs__btn--active,
.gbo-tabs__btn.active {
  color: var(--gbo-accent);
  border-bottom-color: var(--gbo-accent);
}


/* ── Transaction: Merchant Logo Avatar ── */
.gbo-txn-logo {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  overflow: hidden;
  border-radius: var(--gbo-radius-full);
}

.gbo-txn-logo img {
  display: block;
  width: 18px;
  height: 18px;
  object-fit: cover;
}

.gbo-txn-logo__fallback {
  width: 18px;
  height: 18px;
  border-radius: var(--gbo-radius-full);
  background: var(--gbo-accent-subtle);
  color: var(--gbo-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--gbo-font-mono);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
}

/* ── Transaction: Description Meta Cell ── */
.gbo-txn-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.gbo-txn-meta__sub {
  font-size: var(--gbo-text-xs);
  color: var(--gbo-text-muted);
  display: flex;
  align-items: center;
  gap: var(--gbo-space-1);
}