/* =============================================
   VPN.HOW Modern Theme — 2026
   Applied on top of Bootstrap 5.3.8
   ============================================= */

/* === 1. CSS Variables & Color System === */
:root {
  --vpn-primary: #3b82f6;
  --vpn-primary-dark: #2563eb;
  --vpn-primary-light: #60a5fa;
  --vpn-accent: #8b5cf6;
  --vpn-success: #10b981;
  --vpn-danger: #ef4444;
  --vpn-warning: #f59e0b;
  --vpn-surface: #ffffff;
  --vpn-surface-2: #f8fafc;
  --vpn-surface-3: #f1f5f9;
  --vpn-text: #0f172a;
  --vpn-text-muted: #64748b;
  --vpn-border: #e2e8f0;
  --vpn-radius: 12px;
  --vpn-radius-lg: 16px;
  --vpn-radius-xl: 24px;
  --vpn-shadow-sm: 0 1px 2px rgba(0,0,0,.05);
  --vpn-shadow: 0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.05);
  --vpn-shadow-lg: 0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -4px rgba(0,0,0,.04);
  --vpn-shadow-xl: 0 20px 25px -5px rgba(0,0,0,.08), 0 8px 10px -6px rgba(0,0,0,.04);
  --vpn-transition: .2s cubic-bezier(.4,0,.2,1);
  --vpn-transition-slow: .4s cubic-bezier(.4,0,.2,1);
  /* Override BS5 defaults */
  --bs-primary: var(--vpn-primary);
  --bs-primary-rgb: 59,130,246;
  --bs-body-font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --bs-body-font-size: 0.9375rem;
  --bs-body-line-height: 1.6;
  --bs-border-radius: var(--vpn-radius);
  /* Aliases for templates using --primary/--accent */
  --primary: var(--vpn-primary);
  --accent: var(--vpn-accent);
  --gray-900: #0f172a;
}

/* Dark mode */
[data-bs-theme="dark"] {
  --vpn-surface: #0f172a;
  --vpn-surface-2: #1e293b;
  --vpn-surface-3: #334155;
  --vpn-text: #f1f5f9;
  --vpn-text-muted: #94a3b8;
  --vpn-border: #334155;
  --vpn-shadow-sm: 0 1px 2px rgba(0,0,0,.2);
  --vpn-shadow: 0 4px 6px rgba(0,0,0,.25);
  --vpn-shadow-lg: 0 10px 15px rgba(0,0,0,.3);
  --gray-900: #f1f5f9;
}

/* === 2. Typography === */
body {
  font-family: var(--bs-body-font-family);
  color: var(--vpn-text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

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

h1, .h1 { font-weight: 800; }

/* === 3. Navbar — Glassmorphism === */
.navbar {
  background: rgba(255,255,255,.82) !important;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(0,0,0,.06);
  box-shadow: none;
  padding: .6rem 1rem;
  transition: box-shadow var(--vpn-transition), background var(--vpn-transition);
}

.navbar.scrolled,
.navbar:hover {
  box-shadow: var(--vpn-shadow);
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  color: var(--vpn-text) !important;
  display: flex;
  align-items: center;
  gap: .5rem;
}

.navbar-brand img {
  transition: transform var(--vpn-transition);
}

.navbar-brand:hover img {
  transform: scale(1.1) rotate(-3deg);
}

.navbar .nav-link {
  font-weight: 500;
  font-size: .9rem;
  color: var(--vpn-text-muted) !important;
  padding: .5rem .85rem !important;
  border-radius: 8px;
  transition: all var(--vpn-transition);
  position: relative;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
  color: var(--vpn-primary) !important;
  background: rgba(59,130,246,.06);
}

/* Active indicator */
.navbar .nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--vpn-primary);
  border-radius: 1px;
}

.navbar-toggler {
  border: none;
  padding: .4rem;
  border-radius: 8px;
  transition: background var(--vpn-transition);
}

.navbar-toggler:hover {
  background: var(--vpn-surface-3);
}

.navbar-toggler:focus {
  box-shadow: none;
}

/* Dark navbar */
[data-bs-theme="dark"] .navbar {
  background: rgba(15,23,42,.85) !important;
  border-bottom-color: rgba(255,255,255,.06);
}

/* === 4. Buttons === */
.btn {
  font-weight: 600;
  font-size: .875rem;
  border-radius: var(--vpn-radius);
  padding: .5rem 1.25rem;
  transition: all var(--vpn-transition);
  border: none;
  position: relative;
  overflow: hidden;
}

.btn:active {
  transform: scale(.97);
}

.btn-primary {
  background: var(--vpn-primary);
  box-shadow: 0 2px 8px rgba(59,130,246,.25);
}

.btn-primary:hover {
  background: var(--vpn-primary-dark);
  box-shadow: 0 4px 16px rgba(59,130,246,.35);
  transform: translateY(-1px);
}

.btn-success {
  background: var(--vpn-success);
  box-shadow: 0 2px 8px rgba(16,185,129,.25);
}

.btn-success:hover {
  background: #059669;
  box-shadow: 0 4px 16px rgba(16,185,129,.35);
  transform: translateY(-1px);
}

.btn-outline-primary {
  border: 2px solid var(--vpn-primary);
  color: var(--vpn-primary);
  background: transparent;
}

.btn-outline-primary:hover {
  background: var(--vpn-primary);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(59,130,246,.3);
}

.btn-lg {
  padding: .7rem 1.75rem;
  font-size: 1rem;
  border-radius: var(--vpn-radius-lg);
}

.btn-sm {
  padding: .3rem .8rem;
  font-size: .8rem;
  border-radius: 8px;
}

/* === 5. Cards === */
.card {
  border: 1px solid var(--vpn-border);
  border-radius: var(--vpn-radius-lg);
  box-shadow: var(--vpn-shadow-sm);
  transition: all var(--vpn-transition-slow);
  overflow: hidden;
  background: var(--vpn-surface);
}

.card:hover {
  box-shadow: var(--vpn-shadow-lg);
  transform: translateY(-4px);
}

.card-header {
  background: var(--vpn-surface-2);
  border-bottom: 1px solid var(--vpn-border);
  font-weight: 600;
}

.card-body {
  padding: 1.5rem;
}

/* Pricing cards special treatment */
.card-deck .card {
  border-radius: var(--vpn-radius-lg);
}

.card-deck .card:hover {
  border-color: var(--vpn-primary-light);
}

/* === 6. Forms === */
.form-control,
.form-select {
  border-radius: var(--vpn-radius);
  border: 2px solid var(--vpn-border);
  padding: .55rem 1rem;
  font-size: .9rem;
  transition: all var(--vpn-transition);
  background: var(--vpn-surface);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--vpn-primary);
  box-shadow: 0 0 0 3px rgba(59,130,246,.12);
}

.input-group .form-control {
  border-radius: 0;
}

.input-group > :first-child,
.input-group > :first-child .form-control {
  border-top-left-radius: var(--vpn-radius);
  border-bottom-left-radius: var(--vpn-radius);
}

.input-group > :last-child,
.input-group > :last-child .btn,
.input-group > :last-child .input-group-text {
  border-top-right-radius: var(--vpn-radius);
  border-bottom-right-radius: var(--vpn-radius);
}

.input-group-text {
  border: 2px solid var(--vpn-border);
  background: var(--vpn-surface-2);
}

.form-label,
label {
  font-weight: 500;
  font-size: .875rem;
  color: var(--vpn-text);
}

/* === 7. Tables === */
.table {
  border-radius: var(--vpn-radius);
  overflow: hidden;
}

.table thead th {
  background: var(--vpn-surface-2);
  border-bottom: 2px solid var(--vpn-border);
  font-weight: 600;
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--vpn-text-muted);
  padding: .75rem 1rem;
}

.table td {
  padding: .75rem 1rem;
  vertical-align: middle;
  border-color: var(--vpn-border);
}

.table-hover tbody tr:hover {
  background: rgba(59,130,246,.03);
}

/* === 8. Modals === */
.modal-content {
  border: none;
  border-radius: var(--vpn-radius-xl);
  box-shadow: var(--vpn-shadow-xl);
  overflow: hidden;
}

.modal-header {
  border-bottom: 1px solid var(--vpn-border);
  padding: 1.25rem 1.5rem;
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  border-top: 1px solid var(--vpn-border);
  padding: 1rem 1.5rem;
}

.modal-title {
  font-weight: 700;
  font-size: 1.15rem;
}

.modal-backdrop {
  backdrop-filter: blur(4px);
}

/* === 9. Dropdowns === */
.dropdown-menu {
  border: 1px solid var(--vpn-border);
  border-radius: var(--vpn-radius);
  box-shadow: var(--vpn-shadow-lg);
  padding: .5rem;
  animation: dropdownFadeIn .15s ease;
}

.dropdown-item {
  border-radius: 8px;
  padding: .5rem .75rem;
  font-size: .875rem;
  font-weight: 500;
  transition: all var(--vpn-transition);
}

.dropdown-item:hover,
.dropdown-item:focus {
  background: rgba(59,130,246,.06);
  color: var(--vpn-primary);
}

@keyframes dropdownFadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* === 10. Alerts === */
.alert {
  border: none;
  border-radius: var(--vpn-radius);
  font-weight: 500;
  font-size: .875rem;
}

/* === 11. Badges === */
.badge {
  font-weight: 600;
  font-size: .75rem;
  padding: .35em .7em;
  border-radius: 8px;
}

/* === 12. Toasts === */
.toast {
  border-radius: var(--vpn-radius);
  border: 1px solid var(--vpn-border);
  box-shadow: var(--vpn-shadow-lg);
  backdrop-filter: blur(10px);
}

/* === 13. Footer === */
.page-footer {
  background: var(--vpn-surface-2) !important;
  border-top: 1px solid var(--vpn-border);
  color: var(--vpn-text-muted);
}

.page-footer h5 {
  color: var(--vpn-text);
  font-size: .95rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.page-footer a {
  color: var(--vpn-text-muted);
  text-decoration: none;
  transition: color var(--vpn-transition);
}

.page-footer a:hover {
  color: var(--vpn-primary);
}

.page-footer .list-unstyled li {
  padding: .25rem 0;
}

.footer-copyright {
  font-size: .85rem;
  color: var(--vpn-text-muted);
  border-top: 1px solid var(--vpn-border);
  margin-top: 1rem;
}

/* === 14. Breadcrumbs === */
.breadcrumb {
  background: transparent;
  padding: .5rem 0;
  font-size: .85rem;
}

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

.breadcrumb-item a:hover {
  color: var(--vpn-primary);
}

.breadcrumb-item.active {
  color: var(--vpn-text);
}

/* === 15. Pagination === */
.page-link {
  border-radius: var(--vpn-radius) !important;
  border: 2px solid var(--vpn-border);
  color: var(--vpn-text);
  font-weight: 600;
  margin: 0 .15rem;
  transition: all var(--vpn-transition);
}

.page-link:hover {
  background: var(--vpn-primary);
  color: #fff;
  border-color: var(--vpn-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(59,130,246,.25);
}

.page-item.active .page-link {
  background: var(--vpn-primary);
  border-color: var(--vpn-primary);
  box-shadow: 0 4px 12px rgba(59,130,246,.25);
}

/* === 16. Micro-animations === */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

main > .container,
main > .container-fluid {
  animation: fadeInUp .4s ease;
}

/* Smooth all interactive elements */
a, button, .btn, .nav-link, .card, .form-control, .dropdown-item {
  transition: all var(--vpn-transition);
}

/* Selection color */
::selection {
  background: rgba(59,130,246,.15);
  color: var(--vpn-text);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--vpn-surface-2);
}

::-webkit-scrollbar-thumb {
  background: var(--vpn-border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--vpn-text-muted);
}

/* === 17. Responsive tweaks === */
@media (max-width: 768px) {
  h1, .h1 { font-size: 1.75rem; }
  h2, .h2 { font-size: 1.35rem; }
  .card-body { padding: 1.15rem; }
  .btn { padding: .45rem 1rem; }
  .navbar { padding: .5rem .75rem; }
}

/* === 18. Dropdown overflow fix === */
.navbar .dropdown-menu-end {
  right: 0;
  left: auto;
}

/* Table dropdown fix — allow overflow for dropdowns on desktop */
@media (min-width: 992px) {
  .table-responsive {
    overflow: visible !important;
  }
}

/* Mass action buttons - handled by d-flex in template */

@media (max-width: 992px) {
  .navbar .dropdown-menu {
    position: static !important;
    transform: none !important;
    border: 0;
    box-shadow: none;
    background: transparent;
  }
}

/* === 19. Article cards on homepage === */
.card-img-top {
  width: 100%;
  object-fit: cover;
}

.card .card-body h5 a:hover {
  color: var(--vpn-primary) !important;
}

[data-bs-theme="dark"] .card .card-body h5 a {
  color: var(--vpn-text) !important;
}

/* === 20. Navbar scroll detection (add via JS) === */
/* Applied by: window scroll listener adding .scrolled class */