/*
 * ============================================================
 *  SCITRACK DESIGN SYSTEM  v2.0
 *  Premium Research Platform Interface
 * ============================================================
 *
 *  Architecture
 *  ─────────────
 *  1.  Design Tokens  (CSS custom properties)
 *  2.  Base & Typography
 *  3.  Bootstrap Component Enhancements
 *      3a. Buttons
 *      3b. Forms & Inputs
 *      3c. Cards
 *      3d. Tables
 *      3e. Badges
 *      3f. Alerts
 *      3g. Dropdowns
 *      3h. Modals
 *      3i. Pagination & Nav
 *  4.  App Shell Navigation
 *      4a. Topbar
 *      4b. Sidebar
 *  5.  Auth Layout
 *  6.  Marketing Navbar Enhancements
 *  7.  Empty States & Skeletons
 *  8.  Animations & Motion
 *  9.  Background Decorations
 * 10.  Premium Utility Classes
 * 11.  Dark-mode (prefers-color-scheme)
 * 12.  Responsive Overrides
 * ============================================================
 */


/* ============================================================
   1.  DESIGN TOKENS
   ============================================================ */

:root {
  /* ── Brand Palette ──────────────────────────────────── */
  --ct-navy:          #1A365D;
  --ct-navy-deep:     #0F2044;
  --ct-navy-mid:      #243C67;
  --ct-teal:          #2C7A7B;
  --ct-teal-deep:     #1A5F60;
  --ct-teal-light:    #3D9E9F;
  --ct-electric:      #3B82F6;
  --ct-purple:        #7C3AED;

  /* ── Status ─────────────────────────────────────────── */
  --ct-success:       #059669;
  --ct-success-soft:  rgba(5,   150, 105, 0.10);
  --ct-warning:       #D97706;
  --ct-warning-soft:  rgba(217, 119,   6, 0.10);
  --ct-danger:        #DC2626;
  --ct-danger-soft:   rgba(220,  38,  38, 0.10);
  --ct-info:          #0891B2;
  --ct-info-soft:     rgba(  8, 145, 178, 0.10);

  /* ── Neutral Scale ──────────────────────────────────── */
  --ct-gray-50:   #F8FAFC;
  --ct-gray-100:  #F1F5F9;
  --ct-gray-200:  #E2E8F0;
  --ct-gray-300:  #CBD5E1;
  --ct-gray-400:  #94A3B8;
  --ct-gray-500:  #64748B;
  --ct-gray-600:  #475569;
  --ct-gray-700:  #334155;
  --ct-gray-800:  #1E293B;
  --ct-gray-900:  #0F172A;

  /* ── Semantic Text ──────────────────────────────────── */
  --ct-text:         #0F172A;
  --ct-text-muted:   #475569;
  --ct-text-soft:    #64748B;
  --ct-text-subtle:  #94A3B8;

  /* ── Backgrounds ────────────────────────────────────── */
  --ct-bg:              #F4F7FB;
  --ct-bg-soft:         #F8FAFC;
  --ct-surface:         #FFFFFF;
  --ct-surface-glass:   rgba(255, 255, 255, 0.92);
  --ct-surface-frosted: rgba(255, 255, 255, 0.78);

  /* ── Borders ────────────────────────────────────────── */
  --ct-border:         rgba(15, 23, 42, 0.08);
  --ct-border-medium:  rgba(15, 23, 42, 0.12);
  --ct-border-strong:  rgba(15, 23, 42, 0.18);

  /* ── Border Radius ──────────────────────────────────── */
  --r-xs:    4px;
  --r-sm:    8px;
  --r-md:   12px;
  --r-lg:   16px;
  --r-xl:   20px;
  --r-2xl:  24px;
  --r-3xl:  28px;
  --r-4xl:  32px;
  --r-full: 999px;

  /* ── Shadows ────────────────────────────────────────── */
  --shadow-xs:  0 1px 2px rgba(15,23,42,0.04);
  --shadow-sm:  0 2px 6px rgba(15,23,42,0.06), 0 1px 2px rgba(15,23,42,0.03);
  --shadow-md:  0 4px 16px rgba(15,23,42,0.08), 0 2px 6px rgba(15,23,42,0.04);
  --shadow-lg:  0 8px 30px rgba(15,23,42,0.10), 0 4px 12px rgba(15,23,42,0.05);
  --shadow-xl:  0 16px 48px rgba(15,23,42,0.12), 0 6px 18px rgba(15,23,42,0.06);
  --shadow-2xl: 0 24px 72px rgba(15,23,42,0.14), 0 10px 28px rgba(15,23,42,0.07);

  /* ── Easing ─────────────────────────────────────────── */
  --ease:        cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out:    cubic-bezier(0, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --t-fast:  150ms;
  --t-base:  200ms;
  --t-slow:  300ms;

  /* ── Typography ─────────────────────────────────────── */
  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
}


/* ============================================================
   2.  BASE & TYPOGRAPHY
   ============================================================ */

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

html { scroll-behavior: smooth; text-size-adjust: 100%; }

body {
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  font-family: var(--font-sans);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.display-1, .display-2 {
  letter-spacing: -0.04em;
  line-height: 1.08;
  font-weight: 800;
}
.display-3, .display-4 {
  letter-spacing: -0.03em;
  line-height: 1.12;
  font-weight: 800;
}

code, pre, kbd, samp {
  font-family: var(--font-mono);
}


/* ============================================================
   3a. BUTTONS
   ============================================================ */

.btn {
  font-family: var(--font-sans);
  font-weight: 600;
  letter-spacing: -0.01em;
  transition:
    transform    var(--t-base) var(--ease),
    box-shadow   var(--t-base) var(--ease),
    background   var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease);
}
.btn:active { transform: scale(0.97) !important; }

.btn-primary {
  background: var(--ct-navy);
  border-color: var(--ct-navy);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover, .btn-primary:focus-visible {
  background: var(--ct-navy-deep);
  border-color: var(--ct-navy-deep);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-outline-primary {
  color: var(--ct-navy);
  border-color: var(--ct-navy);
}
.btn-outline-primary:hover {
  background: var(--ct-navy);
  border-color: var(--ct-navy);
}

/* Premium gradient CTA */
.btn-premium {
  background: linear-gradient(135deg, var(--ct-navy) 0%, var(--ct-teal) 100%);
  border: none;
  color: #fff !important;
  box-shadow: 0 6px 20px rgba(26,54,93,0.24);
  font-weight: 700;
  border-radius: var(--r-md);
}
.btn-premium:hover, .btn-premium:focus-visible {
  box-shadow: 0 10px 30px rgba(26,54,93,0.30);
  transform: translateY(-2px);
}

/* Ghost / soft button */
.btn-soft {
  background: var(--ct-gray-100);
  border: 1px solid var(--ct-border-medium);
  color: var(--ct-text-muted);
}
.btn-soft:hover {
  background: var(--ct-gray-200);
  color: var(--ct-text);
}


/* ============================================================
   3b. FORMS & INPUTS
   ============================================================ */

.form-control,
.form-select {
  font-family: var(--font-sans);
  border-radius: var(--r-md);
  border: 1px solid var(--ct-border-medium);
  color: var(--ct-text);
  background-color: var(--ct-surface);
  font-size: 0.9375rem;
  transition:
    border-color var(--t-fast) var(--ease),
    box-shadow   var(--t-fast) var(--ease);
}
.form-control:focus, .form-select:focus {
  border-color: var(--ct-teal);
  box-shadow: 0 0 0 3px rgba(44, 122, 123, 0.12);
  outline: none;
}
.form-control::placeholder { color: var(--ct-text-subtle); }

.form-label {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--ct-text);
  margin-bottom: 0.4rem;
}

.form-text {
  color: var(--ct-text-soft);
  font-size: 0.8125rem;
}

.invalid-feedback {
  font-size: 0.8125rem;
  font-weight: 500;
  padding-left: 4px;
  margin-top: 4px;
}


/* ============================================================
   3c. CARDS
   ============================================================ */

.card {
  border: 1px solid var(--ct-border);
  border-radius: var(--r-2xl);
  box-shadow: var(--shadow-sm);
  background: var(--ct-surface);
}
.card-header {
  background: transparent;
  border-bottom: 1px solid var(--ct-border);
  font-family: var(--font-sans);
  font-weight: 700;
  color: var(--ct-text);
  padding: 1.1rem 1.4rem;
}
.card-body { padding: 1.4rem; }
.card-footer {
  background: transparent;
  border-top: 1px solid var(--ct-border);
  padding: 0.9rem 1.4rem;
}


/* ============================================================
   3d. TABLES
   ============================================================ */

.table { font-family: var(--font-sans); }

.table > thead > tr > th {
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ct-text-muted);
  border-bottom: 1px solid var(--ct-border-medium);
  padding: 0.75rem 1rem;
  vertical-align: middle;
  white-space: nowrap;
}
.table > tbody > tr > td {
  vertical-align: middle;
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--ct-border);
  font-size: 0.9375rem;
  color: var(--ct-text);
}
.table > tbody > tr:last-child > td { border-bottom: none; }
.table-hover > tbody > tr:hover > td {
  background: var(--ct-gray-50);
}


/* ============================================================
   3e. BADGES
   ============================================================ */

.badge {
  font-family: var(--font-sans);
  font-weight: 600;
  letter-spacing: 0.01em;
}

/* Semantic status pills */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.75rem;
  border-radius: var(--r-full);
  font-size: 0.78rem;
  font-weight: 600;
  font-family: var(--font-sans);
}
.status-badge::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

.status-active    { background: var(--ct-success-soft); color: #065f46; }
.status-pending   { background: var(--ct-warning-soft); color: #78350f; }
.status-blocked   { background: var(--ct-danger-soft);  color: #7f1d1d; }
.status-draft     { background: var(--ct-gray-100);     color: var(--ct-text-muted); }
.status-complete  { background: rgba(59,130,246,0.10);  color: #1e40af; }
.status-archived  { background: var(--ct-gray-100);     color: var(--ct-text-soft); }


/* ============================================================
   3f. ALERTS
   ============================================================ */

.alert {
  border-radius: var(--r-lg);
  font-weight: 500;
  font-family: var(--font-sans);
  border-width: 1px;
}
.alert-success {
  background: var(--ct-success-soft);
  border-color: rgba(5, 150, 105, 0.20);
  color: #065f46;
}
.alert-warning {
  background: var(--ct-warning-soft);
  border-color: rgba(217, 119, 6, 0.20);
  color: #92400e;
}
.alert-danger {
  background: var(--ct-danger-soft);
  border-color: rgba(220, 38, 38, 0.20);
  color: #991b1b;
}
.alert-info {
  background: var(--ct-info-soft);
  border-color: rgba(8, 145, 178, 0.20);
  color: #164e63;
}


/* ============================================================
   3g. DROPDOWNS
   ============================================================ */

.dropdown-menu {
  border: 1px solid var(--ct-border);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-lg);
  padding: 0.5rem;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(16px);
  font-family: var(--font-sans);
}
.dropdown-item {
  border-radius: var(--r-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ct-text);
  padding: 0.6rem 0.9rem;
  transition:
    background var(--t-fast) var(--ease),
    color      var(--t-fast) var(--ease);
}
.dropdown-item:hover, .dropdown-item:focus {
  background: var(--ct-gray-100);
  color: var(--ct-navy);
}
.dropdown-divider {
  border-color: var(--ct-border);
  margin: 0.35rem 0;
}


/* ============================================================
   3h. MODALS
   ============================================================ */

.modal-content {
  border: 1px solid var(--ct-border);
  border-radius: var(--r-3xl);
  box-shadow: var(--shadow-2xl);
  font-family: var(--font-sans);
}
.modal-header {
  border-bottom: 1px solid var(--ct-border);
  padding: 1.4rem 1.6rem 1.1rem;
}
.modal-footer {
  border-top: 1px solid var(--ct-border);
  padding: 1rem 1.6rem 1.4rem;
}
.modal-title {
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--ct-text);
}


/* ============================================================
   3i. PAGINATION & NAV
   ============================================================ */

.page-link {
  color: var(--ct-navy);
  border-color: var(--ct-border-medium);
  border-radius: var(--r-sm) !important;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--font-sans);
  transition:
    background var(--t-fast) var(--ease),
    color      var(--t-fast) var(--ease);
}
.page-link:hover {
  background: var(--ct-gray-100);
  border-color: var(--ct-border-medium);
  color: var(--ct-navy);
}
.page-item.active .page-link {
  background: var(--ct-navy);
  border-color: var(--ct-navy);
}

.nav-pills .nav-link {
  border-radius: var(--r-md);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--ct-text-muted);
  font-family: var(--font-sans);
  transition: all var(--t-fast) var(--ease);
}
.nav-pills .nav-link.active {
  background: var(--ct-navy);
  color: #fff;
}
.nav-pills .nav-link:hover:not(.active) {
  background: var(--ct-gray-100);
  color: var(--ct-navy);
}


/* ============================================================
   4a. APP TOPBAR
   ============================================================ */

.app-topbar a {
  color: #334155;
  text-decoration: none;
}
.app-topbar a:hover { color: var(--ct-teal); }

.app-topbar {
  height: 56px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(226, 232, 240, 0.6) !important;
  box-shadow: 0 1px 3px rgba(0,0,0,0.03), 0 4px 12px rgba(15,23,42,0.04);
  z-index: 1050;
}

/* ── Brand ── */
.brand-title-topbar {
  font-family: var(--font-sans);
  font-weight: 800;
  color: #0f172a;
  font-size: 1.05rem;
  letter-spacing: -0.025em;
  line-height: 1;
}
.brand-subtitle-topbar {
  font-family: var(--font-sans);
  font-size: 0.62rem;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  margin-top: 2px;
}
.brand-hexagon-topbar {
  position: relative;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ct-teal);
  font-size: 1.8rem;
  transition: transform var(--t-slow) var(--ease-spring);
}
.brand-icon-inner-topbar {
  position: absolute;
  font-size: 0.85rem;
  color: white;
  z-index: 1;
}
.app-brand:hover .brand-hexagon-topbar {
  transform: scale(1.08) rotate(5deg);
}

/* ── Action Buttons ── */
.app-btn-futuristic {
  background: rgba(15, 23, 42, 0.04);
  border: 1px solid rgba(226, 232, 240, 0.5);
  border-radius: var(--r-md);
  padding: 6px 12px;
  color: #475569;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.85rem;
  transition: all var(--t-base) var(--ease);
  display: inline-flex;
  align-items: center;
}
.app-btn-futuristic:hover {
  background: rgba(44, 122, 123, 0.07);
  border-color: rgba(44, 122, 123, 0.22);
  color: var(--ct-teal);
  transform: translateY(-1px);
  box-shadow: 0 3px 10px rgba(44, 122, 123, 0.10);
}

/* ── Notification Badges ── */
.app-topbar-badge-danger {
  background: linear-gradient(135deg, #e53e3e, #c53030) !important;
  font-size: 0.58rem;
  font-weight: 700;
  box-shadow: 0 2px 6px rgba(229, 62, 62, 0.35);
}
.app-topbar-badge-warn {
  background: linear-gradient(135deg, #ed8936, #dd6b20) !important;
  font-size: 0.58rem;
  font-weight: 700;
  box-shadow: 0 2px 6px rgba(237, 137, 54, 0.35);
}

/* ── Search Bar ── */
.app-search-container {
  max-width: 440px;
  width: 100%;
  margin: 0 20px;
}
.app-search-wrapper {
  position: relative;
  width: 100%;
  background: rgba(241, 245, 249, 0.8);
  border: 1px solid rgba(226, 232, 240, 0.7);
  border-radius: var(--r-md);
  padding: 2px 5px;
  transition: all 0.22s ease;
}
.app-search-wrapper:focus-within {
  background: #fff;
  border-color: var(--ct-teal);
  box-shadow: 0 0 0 3px rgba(44, 122, 123, 0.10), 0 4px 12px rgba(44, 122, 123, 0.06);
}
.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: #94a3b8;
  font-size: 0.85rem;
  pointer-events: none;
}
.app-search-input {
  width: 100%;
  border: none;
  background: transparent;
  padding: 6px 50px 6px 36px;
  font-size: 0.84rem;
  font-family: var(--font-sans);
  color: #1e293b;
  outline: none !important;
}
.search-shortcut {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(15, 23, 42, 0.05);
  border: 1px solid rgba(226, 232, 240, 0.7);
  border-radius: 5px;
  padding: 1px 6px;
  font-size: 0.62rem;
  color: #94a3b8;
  font-family: var(--font-sans);
  font-weight: 600;
  pointer-events: none;
}

/* ── User Dropdown ── */
.app-user-dropdown {
  background: rgba(255,255,255,0.85);
  border: 1px solid rgba(226, 232, 240, 0.7);
  border-radius: var(--r-lg);
  padding: 4px 10px 4px 4px;
  transition: all var(--t-base) var(--ease);
}
.app-user-dropdown:hover {
  border-color: rgba(44, 122, 123, 0.30);
  box-shadow: 0 4px 16px rgba(0,0,0,0.07);
  transform: translateY(-1px);
}
.profile-img-topbar {
  border: 2px solid rgba(44, 122, 123, 0.15);
  box-shadow: var(--shadow-xs);
  object-fit: cover;
  transition: border-color var(--t-base) var(--ease);
}
.app-user-dropdown:hover .profile-img-topbar {
  border-color: rgba(44, 122, 123, 0.40);
}
.username-topbar {
  font-family: var(--font-sans);
  font-weight: 700;
  color: #0f172a;
  font-size: 0.83rem;
}
.account-label-topbar {
  font-family: var(--font-sans);
  font-size: 0.6rem;
  color: #94a3b8;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ── Beta Badge ── */
.beta-badge {
  display: inline-block;
  font-size: 0.48rem;
  font-weight: 800;
  color: var(--ct-teal);
  background: rgba(44, 122, 123, 0.08);
  border: 1px solid rgba(44, 122, 123, 0.18);
  padding: 1px 5px;
  border-radius: 4px;
  letter-spacing: 0.08em;
  vertical-align: middle;
  margin-left: 4px;
}

/* ── Topbar Dropdown Menu ── */
.app-dd {
  min-width: 268px;
  margin-top: 8px !important;
  background: rgba(255,255,255,0.97) !important;
  backdrop-filter: blur(20px);
  border: 1px solid rgba(226, 232, 240, 0.7) !important;
  border-radius: var(--r-2xl);
  box-shadow: 0 12px 32px rgba(2,6,23,0.09), 0 5px 14px rgba(2,6,23,0.04);
}
.app-dd-item {
  font-family: var(--font-sans);
  font-weight: 600;
  color: #1e293b;
  padding: 10px 14px;
  transition: all var(--t-fast) var(--ease);
  display: flex;
  align-items: center;
  border-radius: var(--r-md);
  font-size: 0.875rem;
}
.app-dd-item:hover {
  background: rgba(44, 122, 123, 0.07);
  color: var(--ct-teal);
  transform: translateX(3px);
}
.app-signout-btn {
  font-family: var(--font-sans);
  font-weight: 700;
  padding: 8px;
  border-radius: var(--r-md) !important;
  font-size: 0.82rem;
  transition: all var(--t-base) var(--ease);
}
.app-signout-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 3px 10px rgba(229, 62, 62, 0.15);
}

/* ── Topbar Responsive ── */
@media (max-width: 991.98px) {
  .app-topbar { height: 52px; }
  .app-search-container { display: none !important; }
}


/* ============================================================
   4b. APP SIDEBAR
   ============================================================ */

.app-sidebar {
  background: linear-gradient(195deg, #0f172a 0%, #152241 40%, #10233d 100%) !important;
  border-right: 1px solid rgba(44, 122, 123, 0.12) !important;
  box-shadow: 4px 0 28px rgba(15, 23, 42, 0.15);
}

/* ── Sidebar Header ── */
.app-sidebar-header {
  border-bottom: 1px solid rgba(255,255,255,0.06) !important;
  padding: 0.85rem 1rem;
  background: rgba(0,0,0,0.12);
}
.brand-title-sidebar {
  font-family: var(--font-sans);
  font-weight: 800;
  color: #f1f5f9;
  font-size: 1.05rem;
  letter-spacing: -0.025em;
  line-height: 1;
}
.brand-status-sidebar {
  font-family: var(--font-sans);
  font-size: 0.62rem;
  color: rgba(148, 163, 184, 0.8);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 3px;
}
.status-dot {
  width: 6px;
  height: 6px;
  background: #48BB78;
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 6px rgba(72,187,120,0.6);
  animation: statusPulse 2.5s ease-in-out infinite;
}
@keyframes statusPulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.5; }
}
.brand-hexagon-sidebar {
  position: relative;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ct-teal);
  font-size: 1.9rem;
  filter: drop-shadow(0 0 6px rgba(44, 122, 123, 0.30));
}
.brand-icon-inner-sidebar {
  position: absolute;
  font-size: 0.85rem;
  color: white;
  z-index: 1;
}

/* ── Sidebar Navigation ── */
.app-side-section-label {
  font-family: var(--font-sans);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: rgba(148, 163, 184, 0.45);
  padding: 0.45rem 0.75rem 0.25rem;
  margin-top: 0.15rem;
}
.app-side-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(148, 163, 184, 0.10), transparent);
  margin: 0.35rem 0.75rem;
}

/* Nav links */
.app-sidebar .app-side-link {
  font-family: var(--font-sans);
  color: rgba(203, 213, 225, 0.85);
  border: 1px solid transparent;
  transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 0.855rem;
  border-radius: 0.75rem;
  position: relative;
  margin: 1px 0;
}
.app-sidebar .app-side-link:hover {
  background: rgba(44, 122, 123, 0.11);
  color: #81e6d9;
  border-color: rgba(44, 122, 123, 0.16);
  transform: translateX(4px);
}
.app-sidebar .app-side-link.active {
  background: linear-gradient(135deg, rgba(44, 122, 123, 0.22), rgba(44, 122, 123, 0.10));
  color: #fff !important;
  border-color: rgba(44, 122, 123, 0.30);
  box-shadow:
    0 0 0 1px rgba(44, 122, 123, 0.15),
    0 4px 14px rgba(44, 122, 123, 0.10),
    inset 0 1px 0 rgba(255,255,255,0.05);
}
.app-sidebar .app-side-link.active::before {
  content: '';
  position: absolute;
  left: -12px;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  background: var(--ct-teal);
  border-radius: 0 3px 3px 0;
  box-shadow: 0 0 8px rgba(44, 122, 123, 0.40);
}

/* Icon chip */
.app-sidebar .side-ico {
  width: 32px;
  height: 32px;
  background: rgba(148, 163, 184, 0.08);
  flex: 0 0 32px;
  border-radius: 0.55rem;
  transition: all 0.22s ease;
}
.app-sidebar .side-ico .bi {
  font-size: 1.05rem;
  line-height: 1;
  color: rgba(148, 163, 184, 0.60);
  transition: color 0.2s ease;
}
.app-sidebar .app-side-link:hover .side-ico {
  background: rgba(44, 122, 123, 0.16);
}
.app-sidebar .app-side-link:hover .side-ico .bi { color: #81e6d9; }
.app-sidebar .app-side-link.active .side-ico {
  background: rgba(44, 122, 123, 0.25);
}
.app-sidebar .app-side-link.active .side-ico .bi { color: #fff; }

/* Badges */
.app-side-badge {
  background: linear-gradient(135deg, #e53e3e, #c53030);
  color: #fff;
  font-size: 0.62rem;
  font-weight: 700;
  padding: 0.2em 0.55em;
  box-shadow: 0 2px 8px rgba(229, 62, 62, 0.35);
}
.beta-badge-sidebar {
  display: inline-block;
  font-size: 0.48rem;
  font-weight: 800;
  color: #81e6d9;
  background: rgba(44, 122, 123, 0.20);
  border: 1px solid rgba(44, 122, 123, 0.30);
  padding: 1px 5px;
  border-radius: 4px;
  letter-spacing: 0.08em;
  vertical-align: middle;
  margin-left: 4px;
}

/* Sidebar scrollbar */
.app-sidebar .offcanvas-body::-webkit-scrollbar { width: 4px; }
.app-sidebar .offcanvas-body::-webkit-scrollbar-track { background: transparent; }
.app-sidebar .offcanvas-body::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.15);
  border-radius: 4px;
}
.app-sidebar .offcanvas-body::-webkit-scrollbar-thumb:hover {
  background: rgba(148, 163, 184, 0.30);
}


/* ============================================================
   5.  AUTH LAYOUT
   ============================================================ */

.auth-layout-wrap {
  /* Scoping wrapper for auth-specific style overrides */
}

body.auth-page {
  background: var(--ct-bg-soft);
  background-image:
    radial-gradient(ellipse at 0% 0%,   rgba(44, 122, 123, 0.07) 0, transparent 50%),
    radial-gradient(ellipse at 100% 100%, rgba(26,  54,  93, 0.07) 0, transparent 50%);
  min-height: 100vh;
}

/* Fallback for auth pages without body class */
.auth-layout-wrap ~ * body,
.container:has(.auth-card) {
  min-height: 100vh;
}

.auth-card {
  background: rgba(255, 255, 255, 0.88) !important;
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid rgba(255,255,255,0.65) !important;
  border-radius: var(--r-3xl) !important;
  box-shadow: var(--shadow-xl) !important;
}

.brand-hexagon-auth {
  position: relative;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ct-teal);
  font-size: 2.8rem;
}
.brand-icon-inner-auth {
  position: absolute;
  font-size: 1.35rem;
  color: white;
  z-index: 1;
}
.brand-text-auth {
  font-family: var(--font-sans);
  color: var(--ct-navy);
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.auth-layout-wrap .form-label,
.auth-card .form-label {
  font-weight: 600;
  color: var(--ct-navy);
  font-size: 0.875rem;
}

.auth-layout-wrap .input-group,
.auth-card .input-group {
  background: var(--ct-surface);
  border: 1px solid var(--ct-gray-200);
  border-radius: var(--r-md);
  overflow: hidden;
  transition:
    border-color var(--t-fast) var(--ease),
    box-shadow   var(--t-fast) var(--ease);
}
.auth-layout-wrap .input-group:focus-within,
.auth-card .input-group:focus-within {
  border-color: var(--ct-teal);
  box-shadow: 0 0 0 3px rgba(44, 122, 123, 0.10);
}

.auth-input {
  border: none !important;
  background: transparent !important;
  box-shadow: none !important;
  padding: 12px 12px 12px 0 !important;
  font-size: 0.9375rem;
  font-family: var(--font-sans);
}
.auth-input::placeholder { color: var(--ct-text-subtle); }
.form-select.auth-input {
  padding-left: 0 !important;
  background-position: right 0.75rem center;
}

.btn-auth-primary {
  background: linear-gradient(135deg, var(--ct-navy) 0%, var(--ct-teal) 100%);
  color: white;
  border: none;
  border-radius: var(--r-md);
  padding: 13px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.9375rem;
  transition: all var(--t-base) var(--ease);
  box-shadow: 0 6px 20px rgba(26, 54, 93, 0.22);
}
.btn-auth-primary:hover, .btn-auth-primary:focus-visible {
  box-shadow: 0 10px 30px rgba(26, 54, 93, 0.28);
  transform: translateY(-1px);
  color: white;
}
.btn-auth-primary:active { transform: scale(0.98); color: white; }

.auth-layout-wrap a:not(.btn):hover,
.auth-card a:not(.btn):hover {
  color: var(--ct-teal) !important;
}


/* ============================================================
   6.  MARKETING NAVBAR ENHANCEMENTS
   ============================================================ */

.futuristic-nav {
  background: rgba(255, 255, 255, 0.82) !important;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(26, 54, 93, 0.06);
  font-family: var(--font-sans);
  transition:
    background-color var(--t-slow) var(--ease),
    border-color     var(--t-slow) var(--ease);
}
.futuristic-nav .navbar-brand {
  font-family: var(--font-sans);
}


/* ============================================================
   7.  EMPTY STATES & SKELETONS
   ============================================================ */

/* Premium empty state */
.empty-state-premium {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3.5rem 2rem;
  text-align: center;
  border: 1.5px dashed var(--ct-border-medium);
  border-radius: var(--r-3xl);
  background:
    radial-gradient(ellipse at center top, rgba(44,122,123,0.04), transparent 60%),
    var(--ct-bg-soft);
}
.empty-state-icon {
  width: 72px;
  height: 72px;
  border-radius: var(--r-2xl);
  background: var(--ct-gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 2rem;
  color: var(--ct-text-subtle);
}
.empty-state-title {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--ct-text);
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}
.empty-state-desc {
  font-size: 0.9375rem;
  color: var(--ct-text-muted);
  max-width: 38ch;
  margin-bottom: 1.5rem;
  line-height: 1.65;
}

/* Skeleton shimmer */
@keyframes shimmer {
  to { background-position: 200% center; }
}
.skeleton {
  background: linear-gradient(
    90deg,
    var(--ct-gray-100) 25%,
    var(--ct-gray-50)  37%,
    var(--ct-gray-100) 63%
  );
  background-size: 200% 100%;
  animation: shimmer 1.6s ease-in-out infinite;
  border-radius: var(--r-md);
}
.skeleton-text { height: 1em; border-radius: var(--r-sm); }
.skeleton-title { height: 1.4em; width: 60%; border-radius: var(--r-sm); }
.skeleton-avatar { border-radius: 50%; }


/* ============================================================
   8.  ANIMATIONS & MOTION
   ============================================================ */

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%  { transform: translate(-8px, -12px) scale(1.02); }
  66%  { transform: translate(10px, -6px) scale(0.99); }
}

.animate-in    { animation: fadeInUp 0.5s var(--ease-out) both; }
.animate-fade  { animation: fadeIn   0.4s var(--ease-out) both; }
.animate-scale { animation: scaleIn  0.35s var(--ease-spring) both; }

/* Stagger delays */
.delay-1  { animation-delay:  60ms; }
.delay-2  { animation-delay: 120ms; }
.delay-3  { animation-delay: 180ms; }
.delay-4  { animation-delay: 240ms; }
.delay-5  { animation-delay: 300ms; }

/* Lift on hover */
.hover-lift {
  transition:
    transform   var(--t-base) var(--ease),
    box-shadow  var(--t-base) var(--ease);
  cursor: pointer;
}
.hover-lift:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* Page transition */
.page-fade-in { animation: fadeInUp 0.4s var(--ease-out) both; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}


/* ============================================================
   9.  BACKGROUND DECORATIONS
   ============================================================ */

.bg-mesh-teal {
  background-image:
    radial-gradient(ellipse at 10%  5%, rgba(44,122,123,0.08) 0, transparent 42%),
    radial-gradient(ellipse at 90% 80%, rgba(26, 54, 93,0.06) 0, transparent 42%);
}
.bg-mesh-navy {
  background-image:
    radial-gradient(ellipse at  5% 20%, rgba(26, 54, 93,0.10) 0, transparent 42%),
    radial-gradient(ellipse at 95% 10%, rgba(44,122,123,0.08) 0, transparent 42%);
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
  animation: orbFloat 10s ease-in-out infinite;
}
.orb-teal {
  background: radial-gradient(circle, rgba(44,122,123,0.20), transparent 70%);
}
.orb-navy {
  background: radial-gradient(circle, rgba(26, 54, 93,0.16), transparent 70%);
}


/* ============================================================
  10.  PREMIUM UTILITY CLASSES
   ============================================================ */

/* Text gradients */
.text-gradient-primary {
  background: linear-gradient(135deg, var(--ct-navy), var(--ct-teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-gradient-teal {
  background: linear-gradient(135deg, var(--ct-teal), #0e9f9f);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Surface helpers */
.surface-glass {
  background: var(--ct-surface-glass);
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  border: 1px solid rgba(255,255,255,0.55);
}
.surface-frosted {
  background: var(--ct-surface-frosted);
  backdrop-filter: blur(20px) saturate(200%);
  -webkit-backdrop-filter: blur(20px) saturate(200%);
  border: 1px solid rgba(255,255,255,0.40);
}

/* Premium card */
.premium-card {
  background: var(--ct-surface);
  border: 1px solid var(--ct-border);
  border-radius: var(--r-3xl);
  box-shadow: var(--shadow-md);
  transition:
    box-shadow  var(--t-base) var(--ease),
    transform   var(--t-base) var(--ease);
}
.premium-card:hover { box-shadow: var(--shadow-xl); }

/* Glass card */
.glass-card {
  background: rgba(255,255,255,0.76);
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  border: 1px solid rgba(255,255,255,0.52);
  border-radius: var(--r-2xl);
  box-shadow: var(--shadow-md);
}

/* KPI stat card */
.kpi-card {
  background: var(--ct-surface);
  border: 1px solid var(--ct-border);
  border-radius: var(--r-2xl);
  padding: 1.3rem 1.4rem;
  position: relative;
  overflow: hidden;
  transition:
    box-shadow var(--t-base) var(--ease),
    transform  var(--t-base) var(--ease);
}
.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.kpi-value {
  font-family: var(--font-sans);
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--ct-text);
}
.kpi-label {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ct-text-muted);
  margin-bottom: 0.4rem;
}
.kpi-change {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  margin-top: 0.5rem;
}
.kpi-change.up   { color: var(--ct-success); }
.kpi-change.down { color: var(--ct-danger); }
.kpi-change.flat { color: var(--ct-text-soft); }

/* Focus rings */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid rgba(44, 122, 123, 0.45);
  outline-offset: 3px;
}
#main:focus { outline: none; }

/* Bento grid */
.bento-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(12, 1fr);
}
.bento-span-4  { grid-column: span 4; }
.bento-span-6  { grid-column: span 6; }
.bento-span-8  { grid-column: span 8; }
.bento-span-12 { grid-column: span 12; }

@media (max-width: 991.98px) {
  .bento-span-4,
  .bento-span-6,
  .bento-span-8 { grid-column: span 12; }
}


/* ============================================================
  11.  DARK MODE (prefers-color-scheme)
   ============================================================ */

@media (prefers-color-scheme: dark) {
  :root {
    --ct-bg:              #0D1524;
    --ct-bg-soft:         #111927;
    --ct-surface:         #182032;
    --ct-surface-glass:   rgba(24, 32, 50, 0.94);
    --ct-surface-frosted: rgba(20, 28, 44, 0.82);

    --ct-text:         #E2EAF4;
    --ct-text-muted:   #94A3B8;
    --ct-text-soft:    #64748B;
    --ct-text-subtle:  #475569;

    --ct-border:         rgba(255,255,255,0.07);
    --ct-border-medium:  rgba(255,255,255,0.10);
    --ct-border-strong:  rgba(255,255,255,0.14);

    --ct-gray-50:   #1A2540;
    --ct-gray-100:  #1F2D48;
    --ct-gray-200:  #263554;
    --ct-gray-300:  #2F4068;

    --shadow-sm:  0 2px  6px rgba(0,0,0,0.30);
    --shadow-md:  0 4px 16px rgba(0,0,0,0.36);
    --shadow-lg:  0 8px 30px rgba(0,0,0,0.42);
    --shadow-xl:  0 16px 48px rgba(0,0,0,0.48);
    --shadow-2xl: 0 24px 72px rgba(0,0,0,0.54);
  }

  body { background: var(--ct-bg); color: var(--ct-text); }

  .app-topbar {
    background: rgba(13, 21, 36, 0.96) !important;
    border-bottom-color: rgba(255,255,255,0.06) !important;
  }
  .brand-title-topbar { color: #e2eaf4; }

  .app-btn-futuristic {
    background: rgba(255,255,255,0.05);
    border-color: rgba(255,255,255,0.08);
    color: #94a3b8;
  }
  .app-btn-futuristic:hover {
    background: rgba(44,122,123,0.13);
    color: #81e6d9;
    border-color: rgba(44,122,123,0.25);
  }

  .app-user-dropdown {
    background: rgba(24,32,50,0.95);
    border-color: rgba(255,255,255,0.08);
  }
  .app-dd {
    background: rgba(18, 26, 44, 0.98) !important;
    border-color: rgba(255,255,255,0.08) !important;
  }
  .app-dd-item { color: #c8d6e8; }
  .app-dd-item:hover {
    background: rgba(44,122,123,0.13);
    color: #81e6d9;
  }

  .app-search-wrapper {
    background: rgba(255,255,255,0.06);
    border-color: rgba(255,255,255,0.08);
  }
  .app-search-input { color: #e2eaf4; }
  .username-topbar  { color: #e2eaf4; }

  .auth-card {
    background: rgba(24, 32, 50, 0.94) !important;
    border-color: rgba(255,255,255,0.10) !important;
  }
  .auth-layout-wrap .input-group,
  .auth-card .input-group {
    background: rgba(255,255,255,0.06);
    border-color: rgba(255,255,255,0.10);
  }
  .auth-input { color: #e2eaf4; }
  .auth-layout-wrap .form-label,
  .auth-card .form-label { color: #c8d6e8; }
  .brand-text-auth { color: #e2eaf4; }

  .card {
    background: var(--ct-surface);
    border-color: var(--ct-border);
  }
  .dropdown-menu {
    background: rgba(18,26,44,0.98);
    border-color: rgba(255,255,255,0.08);
  }
  .dropdown-item { color: #c8d6e8; }
  .dropdown-item:hover { background: rgba(255,255,255,0.06); color: #81e6d9; }

  .modal-content {
    background: var(--ct-surface);
    border-color: var(--ct-border);
  }

  .table > thead > tr > th { color: var(--ct-text-muted); border-bottom-color: var(--ct-border-medium); }
  .table > tbody > tr > td { border-bottom-color: var(--ct-border); color: var(--ct-text); }
  .table-hover > tbody > tr:hover > td { background: var(--ct-gray-50); }
}


/* ============================================================
  12.  RESPONSIVE
   ============================================================ */

@media (max-width: 767.98px) {
  .display-1 { font-size: 2.7rem; }
  .display-2 { font-size: 2.3rem; }
  .display-3 { font-size: 2rem;   }
  .display-4 { font-size: 1.75rem; }
  .kpi-value { font-size: 1.65rem; }
}


/* ============================================================
  13.  MANUAL DARK-MODE TOGGLE  ([data-theme="dark"])
   ------------------------------------------------------------
   Mirrors section 11. Allows user override of system setting.
   Set on <html> or <body>: <html data-theme="dark"> | "light"
   ============================================================ */

[data-theme="dark"] {
  --ct-bg:              #0D1524;
  --ct-bg-soft:         #111927;
  --ct-surface:         #182032;
  --ct-surface-glass:   rgba(24, 32, 50, 0.94);
  --ct-surface-frosted: rgba(20, 28, 44, 0.82);

  --ct-text:         #E2EAF4;
  --ct-text-muted:   #94A3B8;
  --ct-text-soft:    #64748B;
  --ct-text-subtle:  #475569;

  --ct-border:         rgba(255,255,255,0.07);
  --ct-border-medium:  rgba(255,255,255,0.10);
  --ct-border-strong:  rgba(255,255,255,0.14);

  --ct-gray-50:   #1A2540;
  --ct-gray-100:  #1F2D48;
  --ct-gray-200:  #263554;
  --ct-gray-300:  #2F4068;

  --shadow-sm:  0 2px  6px rgba(0,0,0,0.30);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.36);
  --shadow-lg:  0 8px 30px rgba(0,0,0,0.42);
  --shadow-xl:  0 16px 48px rgba(0,0,0,0.48);
  --shadow-2xl: 0 24px 72px rgba(0,0,0,0.54);

  color-scheme: dark;
}

[data-theme="dark"] body { background: var(--ct-bg); color: var(--ct-text); }

[data-theme="dark"] .app-topbar {
  background: rgba(13, 21, 36, 0.96) !important;
  border-bottom-color: rgba(255,255,255,0.06) !important;
}
[data-theme="dark"] .brand-title-topbar { color: #e2eaf4; }

[data-theme="dark"] .app-btn-futuristic {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.08);
  color: #94a3b8;
}
[data-theme="dark"] .app-btn-futuristic:hover {
  background: rgba(44,122,123,0.13);
  color: #81e6d9;
  border-color: rgba(44,122,123,0.25);
}

[data-theme="dark"] .app-user-dropdown {
  background: rgba(24,32,50,0.95);
  border-color: rgba(255,255,255,0.08);
}
[data-theme="dark"] .app-dd {
  background: rgba(18, 26, 44, 0.98) !important;
  border-color: rgba(255,255,255,0.08) !important;
}
[data-theme="dark"] .app-dd-item { color: #c8d6e8; }
[data-theme="dark"] .app-dd-item:hover {
  background: rgba(44,122,123,0.13);
  color: #81e6d9;
}

[data-theme="dark"] .app-search-wrapper {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.08);
}
[data-theme="dark"] .app-search-input { color: #e2eaf4; }
[data-theme="dark"] .username-topbar  { color: #e2eaf4; }

[data-theme="dark"] .auth-card {
  background: rgba(24, 32, 50, 0.94) !important;
  border-color: rgba(255,255,255,0.10) !important;
}
[data-theme="dark"] .auth-layout-wrap .input-group,
[data-theme="dark"] .auth-card .input-group {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.10);
}
[data-theme="dark"] .auth-input { color: #e2eaf4; }
[data-theme="dark"] .auth-layout-wrap .form-label,
[data-theme="dark"] .auth-card .form-label { color: #c8d6e8; }
[data-theme="dark"] .brand-text-auth { color: #e2eaf4; }

[data-theme="dark"] .card {
  background: var(--ct-surface);
  border-color: var(--ct-border);
}
[data-theme="dark"] .dropdown-menu {
  background: rgba(18,26,44,0.98);
  border-color: rgba(255,255,255,0.08);
}
[data-theme="dark"] .dropdown-item { color: #c8d6e8; }
[data-theme="dark"] .dropdown-item:hover { background: rgba(255,255,255,0.06); color: #81e6d9; }

[data-theme="dark"] .modal-content {
  background: var(--ct-surface);
  border-color: var(--ct-border);
}

[data-theme="dark"] .table > thead > tr > th { color: var(--ct-text-muted); border-bottom-color: var(--ct-border-medium); }
[data-theme="dark"] .table > tbody > tr > td { border-bottom-color: var(--ct-border); color: var(--ct-text); }
[data-theme="dark"] .table-hover > tbody > tr:hover > td { background: var(--ct-gray-50); }

[data-theme="light"] {
  color-scheme: light;
}


/* ============================================================
  14.  APP FOOTER  (authenticated shell)
   ============================================================ */

body.app-body .app-content {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
body.app-body .app-content > main   { flex: 1 0 auto; }
body.app-body .app-content > footer { margin-top: auto; }

.app-footer {
  width: 100%;
  background: rgba(255, 255, 255, 0.75) !important;
  position: relative;
  border-top: 1px solid rgba(26, 54, 93, 0.08) !important;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.02);
}

.brand-hexagon-footer {
  position: relative;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ct-teal);
  font-size: 2.4rem;
  opacity: 0.9;
}
.brand-icon-inner-footer {
  position: absolute;
  font-size: 1.1rem;
  color: #fff;
  z-index: 1;
}

.brand-title-footer {
  font-weight: 800;
  color: var(--ct-navy);
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  line-height: 1;
}
.brand-subtitle-footer {
  font-size: 0.7rem;
  color: var(--ct-text-soft);
  font-weight: 600;
  margin-top: 4px;
  letter-spacing: 0.02em;
}

.footer-link {
  text-decoration: none !important;
  color: var(--ct-teal) !important;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 8px 16px;
  background: rgba(44, 122, 123, 0.05);
  border: 1px solid rgba(44, 122, 123, 0.10);
  border-radius: 12px;
  transition: all var(--t-base) var(--ease);
  display: inline-flex;
  align-items: center;
}
.footer-link:hover {
  background: #fff;
  border-color: var(--ct-teal);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(44, 122, 123, 0.12);
}

@media (max-width: 767.98px) {
  .app-footer { text-align: center; }
  .app-footer .container-fluid {
    padding-top: 1rem !important;
    padding-bottom: calc(1rem + env(safe-area-inset-bottom, 0px)) !important;
  }
  .app-footer-inner    { gap: 0.85rem !important; }
  .app-footer-brand    { width: 100%; justify-content: center; gap: 0.75rem !important; }
  .brand-hexagon-footer  { width: 36px; height: 36px; font-size: 2rem; }
  .brand-icon-inner-footer { font-size: 0.92rem; }
  .brand-title-footer    { font-size: 1rem; }
  .brand-subtitle-footer { font-size: 0.68rem; margin-top: 3px; }
  .app-footer-actions  { width: 100%; justify-content: center; }
  .footer-link {
    width: 100%;
    max-width: 280px;
    justify-content: center;
    padding: 10px 14px;
    font-size: 0.82rem;
    border-radius: 14px;
  }
}

[data-theme="dark"] .app-footer {
  background: rgba(13, 21, 36, 0.85) !important;
  border-top-color: rgba(255, 255, 255, 0.06) !important;
}
[data-theme="dark"] .brand-title-footer { color: var(--ct-text); }
[data-theme="dark"] .footer-link {
  background: rgba(44, 122, 123, 0.12);
  border-color: rgba(44, 122, 123, 0.22);
  color: #81e6d9 !important;
}
[data-theme="dark"] .footer-link:hover {
  background: rgba(44, 122, 123, 0.20);
  border-color: #81e6d9;
}


/* ============================================================
  15.  THEME TOGGLE BUTTON
   ============================================================ */

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  padding: 0;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--ct-border);
  color: var(--ct-text-muted);
  cursor: pointer;
  transition: background var(--t-base) var(--ease),
              color      var(--t-base) var(--ease),
              transform  var(--t-base) var(--ease),
              border-color var(--t-base) var(--ease);
}
.theme-toggle:hover {
  background: rgba(44, 122, 123, 0.10);
  color: var(--ct-teal);
  border-color: rgba(44, 122, 123, 0.30);
  transform: translateY(-1px);
}
.theme-toggle .bi-sun-fill,
.theme-toggle .bi-moon-stars-fill { font-size: 1.05rem; }

/* Show sun in dark mode (click to go light), moon in light (click to go dark) */
.theme-toggle .bi-sun-fill        { display: none; }
.theme-toggle .bi-moon-stars-fill { display: inline-block; }
[data-theme="dark"] .theme-toggle .bi-sun-fill        { display: inline-block; }
[data-theme="dark"] .theme-toggle .bi-moon-stars-fill { display: none; }


/* ============================================================
  16.  AUTH ENHANCEMENTS
   ------------------------------------------------------------
   Password reveal toggle, submit loading state, focus ring.
   ============================================================ */

.password-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  background: transparent;
  border: 0;
  color: var(--ct-text-soft);
  cursor: pointer;
  transition: color var(--t-fast) var(--ease);
}
.password-toggle:hover,
.password-toggle:focus-visible { color: var(--ct-teal); outline: none; }
.password-toggle .bi-eye-slash-fill { display: none; }
.password-toggle.is-shown .bi-eye-fill       { display: none; }
.password-toggle.is-shown .bi-eye-slash-fill { display: inline-block; }

/* Submit-in-progress state */
.btn.is-submitting {
  position: relative;
  pointer-events: none;
  opacity: 0.92;
}
.btn.is-submitting > * { visibility: hidden; }
.btn.is-submitting::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1.1em;
  height: 1.1em;
  margin: -0.55em 0 0 -0.55em;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  visibility: visible;
  animation: ct-spin 0.7s linear infinite;
}
@keyframes ct-spin { to { transform: rotate(360deg); } }


/* ============================================================
  17.  EXTRA BENTO SPAN VARIANTS
   ============================================================ */

.bento-span-3  { grid-column: span 3; }
.bento-span-5  { grid-column: span 5; }
.bento-span-7  { grid-column: span 7; }
.bento-span-9  { grid-column: span 9; }
.bento-span-10 { grid-column: span 10; }

@media (max-width: 991.98px) {
  .bento-span-3,
  .bento-span-5,
  .bento-span-7,
  .bento-span-9,
  .bento-span-10 { grid-column: span 12; }
}