/* GradeX theme tokens — light / dark */
:root,
[data-theme="light"] {
  --gx-bg: #f0f2f5;
  --gx-surface: #ffffff;
  --gx-surface-2: #f7f8fa;
  --gx-text: #1a1a2e;
  --gx-text-secondary: #5c6b7a;
  --gx-border: #e5e9f0;
  --gx-primary: #0d6efd;
  --gx-sidebar: #ffffff;
  --gx-sidebar-text: #334155;
  --gx-topbar: #ffffff;
  --gx-card: #ffffff;
  --gx-input-bg: #ffffff;
  --gx-table-stripe: #f8fafc;
  --gx-shadow: 0 1px 3px rgba(0,0,0,.06);
}

[data-theme="dark"] {
  --gx-bg: #0b0f14;
  --gx-surface: #141a22;
  --gx-surface-2: #1a2332;
  --gx-text: #e8eef5;
  --gx-text-secondary: #9aa8b8;
  --gx-border: #2a3544;
  --gx-primary: #5b9fff;
  --gx-sidebar: #0f1419;
  --gx-sidebar-text: #c5d0dc;
  --gx-topbar: #141a22;
  --gx-card: #141a22;
  --gx-input-bg: #1a2332;
  --gx-table-stripe: #121820;
  --gx-shadow: 0 1px 3px rgba(0,0,0,.35);
}

html, body {
  background: var(--gx-bg) !important;
  color: var(--gx-text) !important;
}

.gx-app { background: var(--gx-bg); color: var(--gx-text); min-height: 100vh; }
.gx-sidebar {
  background: var(--gx-sidebar) !important;
  border-right: 1px solid var(--gx-border);
  color: var(--gx-sidebar-text);
}
.gx-sidebar .gx-nav-item { color: var(--gx-sidebar-text) !important; }
.gx-sidebar .gx-nav-item:hover,
.gx-sidebar .gx-nav-item.active {
  background: var(--gx-surface-2) !important;
  color: var(--gx-primary) !important;
}
.gx-sidebar-brand, .gx-nav-section-title { color: var(--gx-text-secondary) !important; }
.gx-main, .gx-content { background: var(--gx-bg) !important; color: var(--gx-text); }
.gx-topbar {
  background: var(--gx-topbar) !important;
  border-bottom: 1px solid var(--gx-border) !important;
  color: var(--gx-text) !important;
}
.gx-card, .card {
  background: var(--gx-card) !important;
  border-color: var(--gx-border) !important;
  color: var(--gx-text) !important;
  box-shadow: var(--gx-shadow);
}
.gx-card-body, .card-body { color: var(--gx-text); }
.table, .table-fluent {
  --bs-table-bg: var(--gx-card);
  --bs-table-color: var(--gx-text);
  --bs-table-border-color: var(--gx-border);
  --bs-table-striped-bg: var(--gx-table-stripe);
  color: var(--gx-text) !important;
}
.table thead th { color: var(--gx-text-secondary) !important; border-color: var(--gx-border) !important; }
.form-control, .form-select {
  background: var(--gx-input-bg) !important;
  color: var(--gx-text) !important;
  border-color: var(--gx-border) !important;
}
.form-control:focus, .form-select:focus {
  border-color: var(--gx-primary) !important;
  box-shadow: 0 0 0 .2rem rgba(13,110,253,.15);
}
.form-label, .text-secondary, .gx-caption { color: var(--gx-text-secondary) !important; }
.gx-subtitle, h1, h2, h3, h4, h5, h6 { color: var(--gx-text) !important; }
.btn-outline-secondary {
  border-color: var(--gx-border) !important;
  color: var(--gx-text) !important;
}
.btn-icon {
  background: transparent;
  border: 1px solid var(--gx-border);
  color: var(--gx-text);
  border-radius: 8px;
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
}
.list-group-item {
  background: var(--gx-card) !important;
  color: var(--gx-text) !important;
  border-color: var(--gx-border) !important;
}
.alert { border-color: var(--gx-border); }
.dropdown-menu {
  background: var(--gx-card) !important;
  border-color: var(--gx-border) !important;
}
.dropdown-item { color: var(--gx-text) !important; }
.dropdown-item:hover { background: var(--gx-surface-2) !important; }
.modal-content {
  background: var(--gx-card) !important;
  color: var(--gx-text) !important;
  border-color: var(--gx-border) !important;
}
.badge.text-bg-light {
  background: var(--gx-surface-2) !important;
  color: var(--gx-text) !important;
  border-color: var(--gx-border) !important;
}

/* Prevent flash of wrong theme */
html[data-theme="dark"] body { background: #0b0f14; }

/* =========================================================
   Layout — previously missing. The rules above only handled
   colors for existing Bootstrap classes; nothing here defined
   how the GX-prefixed layout classes actually look, which is
   why auth pages and the app shell rendered unstyled.
   ========================================================= */

* { box-sizing: border-box; }
body { margin: 0; font-family: "Segoe UI", system-ui, -apple-system, sans-serif; }

/* ---- Auth pages (login, forgot/reset password) ---- */
.gx-auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: var(--gx-bg);
}
.gx-auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--gx-surface);
  border: 1px solid var(--gx-border);
  border-radius: 16px;
  box-shadow: 0 8px 30px rgba(0,0,0,.08);
  padding: 32px;
}
.gx-title { font-size: 1.5rem; font-weight: 700; color: var(--gx-text); }
.gx-caption { font-size: .85rem; }
.gx-divider { border-top: 1px solid var(--gx-border); margin: 20px 0; }

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

.gx-sidebar {
  width: 260px;
  flex-shrink: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  align-self: flex-start;
  overflow-y: auto;
  overflow-x: hidden;
  transition: width .2s ease, margin .2s ease;
}

/* Desktop: hamburger collapses sidebar (no dim overlay) — main goes full width */
@media (min-width: 992px) {
  .gx-app.sidebar-collapsed .gx-sidebar {
    width: 0;
    min-width: 0;
    margin: 0;
    border: none;
    opacity: 0;
    pointer-events: none;
    overflow: hidden;
  }
  .gx-app.sidebar-collapsed .gx-sidebar-overlay {
    display: none !important;
  }
  /* Main + content expand — no empty strip on the right */
  .gx-app.sidebar-collapsed .gx-main {
    flex: 1 1 100%;
    width: 100%;
    max-width: none;
  }
  .gx-app.sidebar-collapsed .gx-content {
    max-width: none !important;
    width: 100%;
    margin-left: 0;
    margin-right: 0;
  }
  .gx-app.sidebar-collapsed .gx-topbar {
    width: 100%;
  }
}
.gx-sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--gx-border);
}
.gx-sidebar-brand .brand-icon {
  width: 34px; height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg,#0078D4,#00BCF2);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .8rem; flex-shrink: 0;
}
.gx-sidebar-brand .brand-text { font-weight: 700; font-size: 1.05rem; color: var(--gx-text); }

/* Institution logo in sidebar / topbar */
.gx-sidebar-brand .brand-logo {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  object-fit: contain;
  background: var(--gx-surface-2, #f1f5f9);
  flex-shrink: 0;
}
.gx-avatar.gx-avatar-img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  border: 1px solid var(--gx-border, #e2e8f0);
  background: var(--gx-surface-2, #f8fafc);
}


.gx-sidebar-nav { flex: 1; overflow-y: auto; padding: 12px 12px 0; }
.gx-nav-section { margin-bottom: 18px; }
.gx-nav-section-title {
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-weight: 600;
  padding: 0 10px 6px;
}
.gx-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 8px;
  text-decoration: none;
  font-size: .9rem;
  margin-bottom: 2px;
  transition: background .12s ease;
}
.gx-nav-item i { width: 18px; text-align: center; flex-shrink: 0; }

.gx-sidebar-footer {
  border-top: 1px solid var(--gx-border);
  padding: 12px;
}
.gx-sidebar-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.4);
  z-index: 1030;
}
.gx-sidebar-overlay.show { display: block; }

.gx-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.gx-topbar {
  height: 60px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 1020;
  background: var(--gx-topbar) !important;
  border-bottom: 1px solid var(--gx-border);
  backdrop-filter: saturate(1.2) blur(8px);
  -webkit-backdrop-filter: saturate(1.2) blur(8px);
}
.gx-content { flex: 1; padding: 24px; }

.gx-topbar-left, .gx-topbar-right { display: flex; align-items: center; gap: 12px; }
.gx-topbar-left { flex: 1; min-width: 0; }
.gx-search {
  display: flex; align-items: center; gap: 8px;
  background: var(--gx-surface-2);
  border: 1px solid var(--gx-border);
  border-radius: 8px;
  padding: 7px 12px;
  width: 280px;
  color: var(--gx-text-secondary);
}
.gx-search input {
  border: none; background: transparent; outline: none;
  color: var(--gx-text); font-size: .85rem; width: 100%;
}
.gx-avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg,#0078D4,#00BCF2);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .75rem; flex-shrink: 0;
}

/* ---- Stat / KPI cards ---- */
.gx-stat-label { font-size: .8rem; color: var(--gx-text-secondary); margin-bottom: 4px; }
.gx-stat-value { font-size: 1.6rem; font-weight: 700; line-height: 1.1; }
.gx-stat-trend { font-size: .78rem; margin-top: 4px; }
.gx-stat-trend.up { color: #0F7B0F; }
.gx-stat-trend.down { color: #C42B1C; }
.gx-stat-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--gx-surface-2);
  display: flex; align-items: center; justify-content: center;
  color: var(--gx-primary);
  font-size: 1.1rem;
}
.gx-card { border-radius: 14px; padding: 18px; }
.gx-card-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 12px; gap: 10px; flex-wrap: wrap;
}
.gx-subtitle { font-weight: 600; color: var(--gx-text); }

/* ---- Badges ---- */
.gx-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 600;
  background: var(--gx-surface-2);
  color: var(--gx-text-secondary);
}
.gx-badge-accent { background: rgba(13,110,253,.12); color: #0d6efd; }
.gx-badge-success { background: rgba(15,123,15,.12); color: #0F7B0F; }
.gx-badge-warning { background: rgba(157,93,0,.12); color: #9D5D00; }

/* ---- Segmented control ---- */
.gx-segmented { display: inline-flex; border: 1px solid var(--gx-border); border-radius: 8px; overflow: hidden; }
.gx-segmented button {
  border: none; background: transparent; padding: 6px 12px;
  font-size: .8rem; color: var(--gx-text-secondary); cursor: pointer;
}
.gx-segmented button.active { background: var(--gx-primary); color: #fff; }

/* ---- Responsive: collapse sidebar off-canvas on small screens ---- */
@media (max-width: 991.98px) {
  .gx-sidebar {
    position: fixed;
    left: 0; top: 0; bottom: 0;
    width: 260px;
    transform: translateX(-100%);
    z-index: 1040;
    transition: transform .2s ease;
    background: var(--gx-sidebar);
    opacity: 1;
    pointer-events: auto;
  }
  .gx-sidebar.open { transform: translateX(0); }
  /* Desktop collapsed class must not hide mobile drawer width */
  .gx-app.sidebar-collapsed .gx-sidebar {
    width: 260px;
    opacity: 1;
    pointer-events: auto;
  }
}

/* ---- Topbar search dropdown ---- */
.gx-search-wrap { position: relative; }
.gx-search-results {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  min-width: 320px;
  max-height: 420px;
  overflow-y: auto;
  background: var(--gx-card);
  border: 1px solid var(--gx-border);
  border-radius: 10px;
  box-shadow: 0 12px 28px rgba(0,0,0,.12);
  z-index: 1050;
}
.gx-sr-group { padding: 8px 0; border-bottom: 1px solid var(--gx-border); }
.gx-sr-group:last-of-type { border-bottom: none; }
.gx-sr-title {
  font-size: .7rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .04em; color: var(--gx-text-secondary);
  padding: 4px 14px 6px;
}
.gx-sr-item {
  display: flex; flex-direction: column; gap: 2px;
  padding: 8px 14px; text-decoration: none; color: var(--gx-text);
}
.gx-sr-item:hover { background: var(--gx-surface-2); }
.gx-sr-main { font-size: .88rem; font-weight: 600; }
.gx-sr-sub { font-size: .75rem; color: var(--gx-text-secondary); }
.gx-sr-empty { padding: 8px 14px; font-size: .8rem; color: var(--gx-text-secondary); }
.gx-sr-footer {
  display: block; text-align: center; padding: 10px;
  font-size: .8rem; font-weight: 600; color: var(--gx-primary);
  text-decoration: none; border-top: 1px solid var(--gx-border);
}
.gx-sr-footer:hover { background: var(--gx-surface-2); }

/* ---- Notification bell + panel ---- */
.gx-notif-wrap { position: relative; }
.gx-notif-badge {
  position: absolute;
  top: -4px; right: -4px;
  min-width: 18px; height: 18px;
  padding: 0 5px;
  border-radius: 999px;
  background: #C42B1C;
  color: #fff;
  font-size: .65rem; font-weight: 700;
  display: inline-flex; align-items: center; justify-content: center;
  line-height: 1;
  border: 2px solid var(--gx-card, #fff);
}
.gx-notif-panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 340px;
  max-height: 440px;
  display: flex; flex-direction: column;
  background: var(--gx-card);
  border: 1px solid var(--gx-border);
  border-radius: 12px;
  box-shadow: 0 14px 32px rgba(0,0,0,.14);
  z-index: 1050;
  overflow: hidden;
}
.gx-notif-panel[hidden] { display: none !important; }
.gx-notif-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 14px; border-bottom: 1px solid var(--gx-border);
}
.gx-notif-list { overflow-y: auto; flex: 1; max-height: 320px; }
.gx-notif-item {
  display: block; padding: 10px 14px;
  text-decoration: none; color: var(--gx-text);
  border-bottom: 1px solid var(--gx-border);
}
.gx-notif-item:hover { background: var(--gx-surface-2); }
.gx-notif-item.is-unread { background: rgba(13,110,253,.06); }
.gx-notif-item-title { font-size: .86rem; font-weight: 600; }
.gx-notif-item-msg {
  font-size: .78rem; color: var(--gx-text-secondary);
  margin-top: 2px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.gx-notif-item-time { font-size: .7rem; color: var(--gx-text-secondary); margin-top: 4px; }
.gx-notif-footer {
  display: block; text-align: center; padding: 10px;
  font-size: .8rem; font-weight: 600; color: var(--gx-primary);
  text-decoration: none; border-top: 1px solid var(--gx-border);
}
.gx-notif-footer:hover { background: var(--gx-surface-2); }

/* Notifications page rows */
.gx-notif-row {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px; border-bottom: 1px solid var(--gx-border);
}
.gx-notif-row.is-unread { background: rgba(13,110,253,.05); }
.gx-notif-row:last-child { border-bottom: none; }

/* Staff subject checkboxes */
.staff-subject-checks {
  display: flex; flex-wrap: wrap; gap: 6px 12px;
  max-height: 140px; overflow-y: auto;
  padding: 4px 0;
}
.staff-subject-check {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .82rem; cursor: pointer;
  margin: 0; white-space: nowrap;
}
.staff-subject-check input { margin: 0; }


/* pagination fix — keep Bootstrap / Tailwind paginator icons normal size */
.pagination {
  margin-bottom: 0;
  flex-wrap: wrap;
  gap: 0.15rem;
}
.pagination .page-link {
  font-size: 0.875rem;
  line-height: 1.25;
  padding: 0.35rem 0.65rem;
}
.pagination svg {
  width: 1rem !important;
  height: 1rem !important;
  max-width: 1rem !important;
  max-height: 1rem !important;
  display: inline-block;
  vertical-align: middle;
}
.gx-pagination-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--gx-border, #e2e8f0);
}


/* ---- Collapsible sidebar groups (Academic / Examinations / More) ---- */
.gx-nav-group {
  margin-bottom: 6px;
}
.gx-nav-group-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 12px;
  border: none;
  background: transparent;
  color: var(--gx-text-secondary, #5c6b7a);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 8px;
}
.gx-nav-group-toggle:hover {
  background: var(--gx-surface-2, rgba(0,0,0,.04));
  color: var(--gx-text, #1a1a2e);
}
.gx-nav-group-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.gx-nav-group-label .bi {
  font-size: 0.95rem;
  opacity: 0.85;
}
.gx-nav-chevron {
  font-size: 0.75rem;
  transition: transform 0.2s ease;
  opacity: 0.7;
}
.gx-nav-group.open .gx-nav-chevron {
  transform: rotate(180deg);
}
.gx-nav-group-body {
  display: none;
  padding: 2px 0 6px;
}
.gx-nav-group.open .gx-nav-group-body {
  display: block;
}
.gx-nav-group-body .gx-nav-item {
  padding-left: 14px;
}


/* Students / list pagination */
.gx-pagination-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border-top: 1px solid var(--gx-border, #e5e9f0);
  background: var(--gx-surface, #fff);
}
.gx-pagination-links .pagination {
  margin: 0;
  flex-wrap: wrap;
  gap: 2px;
}
.gx-pagination-links .page-link {
  border-radius: 8px !important;
  min-width: 36px;
  text-align: center;
  color: var(--gx-text, #1a1a2e);
  background: var(--gx-card, #fff);
  border-color: var(--gx-border, #e5e9f0);
}
.gx-pagination-links .page-item.active .page-link {
  background: var(--gx-primary, #0d6efd);
  border-color: var(--gx-primary, #0d6efd);
  color: #fff;
}
.gx-pagination-links .page-item.disabled .page-link {
  opacity: 0.55;
}


/* =========================================================
   GradeX Ultra Premium shell
   ========================================================= */
:root,
[data-theme="light"] {
  --gx-premium-grad: linear-gradient(135deg, #4f46e5 0%, #7c3aed 45%, #db2777 100%);
  --gx-premium-glow: 0 12px 40px rgba(79, 70, 229, 0.12);
  --gx-card-radius: 16px;
  --gx-font: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
}

[data-theme="dark"] {
  --gx-premium-grad: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #f472b6 100%);
  --gx-premium-glow: 0 12px 40px rgba(99, 102, 241, 0.18);
}

body {
  font-family: var(--gx-font);
  -webkit-font-smoothing: antialiased;
}

.gx-content {
  max-width: 1280px;
}

.gx-card {
  border-radius: var(--gx-card-radius) !important;
  border: 1px solid var(--gx-border) !important;
  box-shadow: 0 4px 24px rgba(15, 23, 42, 0.04) !important;
  overflow: hidden;
}

.gx-card-header {
  padding: 0.9rem 1.2rem;
  border-bottom: 1px solid var(--gx-border);
  background: linear-gradient(180deg, rgba(79,70,229,0.04), transparent);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.gx-subtitle {
  font-weight: 700;
  letter-spacing: -0.01em;
}

.btn-primary {
  background: var(--gx-premium-grad) !important;
  border: none !important;
  box-shadow: 0 6px 18px rgba(79, 70, 229, 0.25);
  font-weight: 600;
}
.btn-primary:hover,
.btn-primary:focus {
  filter: brightness(1.05);
  box-shadow: 0 8px 22px rgba(79, 70, 229, 0.32);
}

.gx-sidebar-brand .brand-icon {
  background: var(--gx-premium-grad) !important;
  color: #fff !important;
  box-shadow: 0 6px 16px rgba(79, 70, 229, 0.35);
}

.gx-nav-item.active {
  background: linear-gradient(90deg, rgba(79,70,229,0.12), transparent) !important;
  color: #4f46e5 !important;
  font-weight: 600;
}
[data-theme="dark"] .gx-nav-item.active {
  color: #c4b5fd !important;
}

/* Competition / premium page hero strip */
.gx-page-hero {
  border-radius: var(--gx-card-radius);
  padding: 1.25rem 1.4rem;
  margin-bottom: 1.25rem;
  background: var(--gx-premium-grad);
  color: #fff;
  box-shadow: var(--gx-premium-glow);
}
.gx-page-hero h1,
.gx-page-hero .gx-subtitle {
  color: #fff !important;
  margin: 0;
}
.gx-page-hero .text-secondary,
.gx-page-hero .small {
  color: rgba(255,255,255,0.85) !important;
}
.gx-page-hero code {
  background: rgba(255,255,255,0.15);
  color: #fff;
  padding: 0.15rem 0.45rem;
  border-radius: 6px;
}

/* Competition status chips */
.gx-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(255,255,255,0.18);
  color: #fff;
}
.gx-chip-dark {
  background: var(--gx-surface-2);
  color: var(--gx-text);
  border: 1px solid var(--gx-border);
}

/* Global loading overlay (ultra) */
#gx-loading-overlay {
  /* Below Bootstrap modals (1055) so confirm dialogs stay clickable */
  position: fixed;
  inset: 0;
  z-index: 1040;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.35);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
#gx-loading-overlay.show {
  display: flex;
}
.gx-loading-panel {
  min-width: 200px;
  max-width: 320px;
  padding: 1.4rem 1.6rem;
  border-radius: 18px;
  background: var(--gx-card, #fff);
  color: var(--gx-text, #0f172a);
  box-shadow: 0 20px 50px rgba(0,0,0,0.2);
  text-align: center;
  border: 1px solid rgba(255,255,255,0.08);
}
.gx-loading-spinner {
  width: 42px;
  height: 42px;
  margin: 0 auto 0.85rem;
  border-radius: 50%;
  border: 3px solid rgba(79,70,229,0.15);
  border-top-color: #7c3aed;
  animation: gx-spin 0.7s linear infinite;
}
.gx-loading-text {
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}
.gx-loading-sub {
  font-size: 0.75rem;
  color: var(--gx-text-secondary, #64748b);
  margin-top: 0.25rem;
}
@keyframes gx-spin {
  to { transform: rotate(360deg); }
}

[data-theme="dark"] #gx-loading-overlay {
  /* Below Bootstrap modals (1055) so confirm dialogs stay clickable */
  background: rgba(0, 0, 0, 0.55);
}
[data-theme="dark"] .gx-loading-panel {
  background: #1a2332;
  color: #e8eef5;
}


/* System error pages (fallback if layout inline styles missing) */
.gx-err-wrap{min-height:70vh;display:flex;align-items:center;justify-content:center;padding:24px}
.gx-err-card{max-width:460px;width:100%;text-align:center;padding:32px;border-radius:20px;background:var(--gx-card,#fff);border:1px solid var(--gx-border,#e2e8f0);box-shadow:0 20px 50px rgba(15,23,42,.08)}
.gx-err-icon{width:72px;height:72px;border-radius:20px;display:grid;place-items:center;margin:0 auto 16px;font-size:1.85rem}
.gx-err-icon.is-warning{background:rgba(245,158,11,.12);color:#d97706}
.gx-err-icon.is-danger{background:rgba(239,68,68,.12);color:#ef4444}
.gx-err-icon.is-info{background:rgba(99,102,241,.12);color:#6366f1}
.gx-err-card h1{font-size:1.5rem;font-weight:700;margin:0 0 10px}
.gx-err-card p{color:var(--gx-text-secondary,#64748b);margin:0 0 20px;line-height:1.55}
.gx-err-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}


/* System brand (public pages) */
.gx-sys-brand{
  display:inline-flex;align-items:center;gap:10px;text-decoration:none;
  color:inherit;font-weight:700;letter-spacing:-.02em;line-height:1;
}
.gx-sys-brand-logo{
  width:var(--gx-brand-size,36px);height:var(--gx-brand-size,36px);
  object-fit:contain;border-radius:10px;flex-shrink:0;
  background:transparent;
}
.gx-sys-brand-mark{
  width:var(--gx-brand-size,36px);height:var(--gx-brand-size,36px);
  border-radius:10px;display:grid;place-items:center;flex-shrink:0;
  font-size:calc(var(--gx-brand-size,36px) * .38);font-weight:700;color:#fff;
  background:linear-gradient(135deg,#6366f1,#8b5cf6);
  box-shadow:0 6px 16px rgba(99,102,241,.28);
}
.gx-sys-brand-text{font-size:1.05rem}
.gx-lp-brand .gx-sys-brand-text{font-size:1.1rem;color:inherit}


/* Dark mode: Bootstrap modals readable */
html[data-theme="dark"] .modal-content {
  background: var(--gx-card, #141516);
  color: var(--gx-text, #eeeef0);
  border-color: var(--gx-border, #2a2b2e);
}
html[data-theme="dark"] .modal-header,
html[data-theme="dark"] .modal-footer { border-color: var(--gx-border, #2a2b2e); }
html[data-theme="dark"] .modal .bg-light,
html[data-theme="dark"] .modal .alert-light {
  background: var(--gx-surface-2, #1a1b1d) !important;
  color: var(--gx-text, #eeeef0) !important;
  border-color: var(--gx-border, #2a2b2e) !important;
}
html[data-theme="dark"] .modal .form-control,
html[data-theme="dark"] .modal .form-select {
  background: var(--gx-surface-2, #1a1b1d);
  color: var(--gx-text, #eeeef0);
  border-color: var(--gx-border, #2a2b2e);
}
html[data-theme="dark"] .modal .btn-close {
  filter: invert(1) grayscale(100%) brightness(200%);
}
html[data-theme="dark"] .modal .text-secondary,
html[data-theme="dark"] .modal .form-text {
  color: var(--gx-text-secondary, #8a8f98) !important;
}
html[data-theme="dark"] .modal .nav-tabs { border-bottom-color: var(--gx-border, #2a2b2e); }
html[data-theme="dark"] .modal .nav-tabs .nav-link { color: var(--gx-text-secondary, #8a8f98); }
html[data-theme="dark"] .modal .nav-tabs .nav-link.active {
  background: var(--gx-card, #141516);
  color: var(--gx-text, #eeeef0);
  border-color: var(--gx-border, #2a2b2e) var(--gx-border, #2a2b2e) var(--gx-card, #141516);
}
.gx-panel-box {
  border: 1px solid var(--gx-border, #e2e8f0);
  border-radius: 12px;
  padding: 12px 14px;
  background: var(--gx-surface-2, #f8fafc);
  color: var(--gx-text, #0f172a);
}