/* ─── Design System ─── */
:root {
  --primary: #2563EB;
  --primary-hover: #1d4ed8;
  --primary-subtle: rgba(37, 99, 235, 0.06);
  --primary-border: rgba(37, 99, 235, 0.2);

  --bg: #FFFFFF;
  --surface: #F8FAFC;
  --text: #0F172A;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --border: #E2E8F0;

  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.03);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.1);

  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  --transition: 0.2s ease;
}

/* ─── Base ─── */
* {
  box-sizing: border-box;
}

body {
  font-family: 'Cairo', sans-serif;
  background: var(--surface);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

main {
  flex: 1;
}

::selection {
  background: var(--primary);
  color: white;
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--surface); }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* ─── Navbar ─── */
.navbar {
  background: var(--bg) !important;
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-xs);
  min-height: 64px;
}

.navbar-brand {
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--text) !important;
  letter-spacing: -0.3px;
}

.navbar-brand i {
  color: var(--primary);
  font-size: 1.2rem;
}

.nav-link {
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-secondary) !important;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-link:hover {
  background: var(--primary-subtle);
  color: var(--primary) !important;
}

.nav-link.active {
  color: var(--primary) !important;
  background: var(--primary-subtle);
}

.navbar-toggler {
  border: 1px solid var(--border);
  padding: 0.4rem;
  border-radius: var(--radius-sm);
}

.navbar-toggler:focus { box-shadow: none; }
.navbar-toggler-icon { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(15,23,42,0.6)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e"); }

.navbar .btn-outline-secondary {
  border-color: var(--border);
  color: var(--text-secondary);
  font-size: 0.85rem;
  padding: 0.35rem 0.75rem;
}

.navbar .btn-outline-secondary:hover {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
}

/* ─── Hero Section ─── */
.hero-section {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2rem 1.5rem;
  margin-bottom: 1.5rem;
  text-align: center;
}

.hero-icon {
  font-size: 2.5rem;
  color: var(--primary);
  display: inline-block;
  margin-bottom: 0.25rem;
}

.hero-title {
  color: var(--text);
  font-weight: 800;
  font-size: 2rem;
  letter-spacing: -0.4px;
  margin-bottom: 0.15rem;
}

.hero-subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 400;
}

/* ─── Search ─── */
.search-form .input-group {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.search-form .input-group:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-border);
}

.search-input {
  border: none;
  font-size: 1rem;
  padding: 0.75rem 1.25rem;
  font-family: 'Cairo', sans-serif;
  background: transparent;
}

.search-input:focus { box-shadow: none; }
.search-input::placeholder { color: var(--text-muted); }

.search-form .btn {
  border: none;
  border-radius: 0;
  font-size: 1rem;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
  margin: 0 !important;
}

.search-form .btn-primary {
  background: var(--primary);
}

.search-form .btn-primary:hover {
  background: var(--primary-hover);
}

.search-form .btn-outline-secondary {
  background: transparent;
  color: var(--text-secondary);
  border-right: 1px solid var(--border) !important;
}

.search-form .btn-outline-secondary:hover {
  background: var(--surface);
  color: var(--text);
}

/* ─── Advanced Filters ─── */
.advanced-filters {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, opacity 0.3s ease, margin 0.3s ease;
  opacity: 0;
  margin-top: 0;
}

.advanced-filters.show {
  max-height: 200px;
  opacity: 1;
  margin-top: 0.75rem;
}

.filter-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.filter-select {
  font-size: 0.875rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.75rem;
  font-family: 'Cairo', sans-serif;
  background: var(--bg);
  cursor: pointer;
  transition: border-color var(--transition);
}

.filter-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-border);
  outline: none;
}

/* ─── Page Transitions ─── */
/* View Transitions API — modern browser support (Chrome/Edge 111+) */
@view-transition {
  navigation: auto;
}

/* Smooth crossfade between pages */
::view-transition-old(root) {
  animation: 0.25s ease-out both vt-fade-out;
  pointer-events: none;
}

::view-transition-new(root) {
  animation: 0.25s ease-in both vt-fade-in;
  pointer-events: none;
}

@keyframes vt-fade-out {
  to { opacity: 0; }
}

@keyframes vt-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Fallback: fade-in on page load for browsers without View Transitions API */
@supports not (view-transition-name: root) {
  .page-content {
    animation: pageFadeIn 0.35s ease-out;
  }
}

@keyframes pageFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─── Card Entrance ─── */
.animate-card {
  opacity: 0;
  transform: translateY(12px);
  animation: cardFadeIn 0.4s ease forwards;
}

@keyframes cardFadeIn {
  to { opacity: 1; transform: translateY(0); }
}

.animate-card:nth-child(1) { animation-delay: 0.04s; }
.animate-card:nth-child(2) { animation-delay: 0.08s; }
.animate-card:nth-child(3) { animation-delay: 0.12s; }
.animate-card:nth-child(4) { animation-delay: 0.16s; }
.animate-card:nth-child(5) { animation-delay: 0.2s; }
.animate-card:nth-child(6) { animation-delay: 0.24s; }
.animate-card:nth-child(7) { animation-delay: 0.28s; }
.animate-card:nth-child(8) { animation-delay: 0.32s; }
.animate-card:nth-child(9) { animation-delay: 0.36s; }
.animate-card:nth-child(10) { animation-delay: 0.4s; }
.animate-card:nth-child(11) { animation-delay: 0.44s; }
.animate-card:nth-child(12) { animation-delay: 0.48s; }
.animate-card:nth-child(13) { animation-delay: 0.52s; }
.animate-card:nth-child(14) { animation-delay: 0.56s; }
.animate-card:nth-child(15) { animation-delay: 0.6s; }
.animate-card:nth-child(16) { animation-delay: 0.64s; }
.animate-card:nth-child(17) { animation-delay: 0.68s; }
.animate-card:nth-child(18) { animation-delay: 0.72s; }
.animate-card:nth-child(19) { animation-delay: 0.76s; }
.animate-card:nth-child(20) { animation-delay: 0.8s; }
.animate-card:nth-child(21) { animation-delay: 0.84s; }
.animate-card:nth-child(22) { animation-delay: 0.88s; }
.animate-card:nth-child(23) { animation-delay: 0.92s; }
.animate-card:nth-child(24) { animation-delay: 0.96s; }

/* ─── Website Cards (Balanced) ─── */
.website-card {
  background: var(--bg);
  border: 1px solid var(--border) !important;
  border-radius: var(--radius);
  transition: all var(--transition);
  cursor: default;
}

.website-card:hover {
  border-color: var(--primary-border) !important;
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.website-logo-wrapper {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.website-card:hover .website-logo-wrapper {
  box-shadow: var(--shadow-xs);
}

.website-logo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.website-logo-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 1.2rem;
}

.card-title {
  font-size: 0.95rem;
  line-height: 1.3;
  color: var(--text);
}

/* Multi-line description with line-clamp */
.website-card .card-description {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Icon-only button for staff actions */
.icon-btn {
  width: 34px;
  height: 34px;
  padding: 0 !important;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border-radius: var(--radius-sm) !important;
}

.icon-btn i {
  font-size: 0.9rem;
}

/* ─── Active Filters Badges ─── */
.active-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.active-filter-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--primary-subtle);
  border: 1px solid var(--primary-border);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  transition: var(--transition);
}

.active-filter-badge .bi-x-circle {
  font-size: 0.75rem;
  cursor: pointer;
}

.search-summary {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ─── Buttons ─── */
.btn {
  font-weight: 600;
  font-family: 'Cairo', sans-serif;
  border-radius: var(--radius-sm);
  padding: 0.5rem 1.25rem;
  transition: all var(--transition);
  font-size: 0.9rem;
}

.btn:active {
  transform: scale(0.98);
}

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

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

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

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

.btn-success {
  background: #10b981;
  border-color: #10b981;
  color: white;
}

.btn-success:hover {
  background: #059669;
  border-color: #059669;
}

.btn-outline-secondary {
  border: 1px solid var(--border);
  color: var(--text-secondary);
  background: transparent;
}

.btn-outline-secondary:hover {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
}

.btn-outline-danger {
  border: 1px solid #fecaca;
  color: #dc2626;
}

.btn-outline-danger:hover {
  background: #fef2f2;
  border-color: #fca5a5;
  color: #b91c1c;
}

.btn-outline-warning {
  border: 1px solid #fde68a;
  color: #d97706;
}

.btn-outline-warning:hover {
  background: #fffbeb;
  border-color: #fcd34d;
  color: #b45309;
}

.btn-lg {
  padding: 0.65rem 1.5rem;
  font-size: 1rem;
  border-radius: var(--radius-sm);
}

.btn-sm {
  padding: 0.3rem 0.65rem;
  font-size: 0.8rem;
}

/* ─── Form Controls ─── */
.form-control {
  font-family: 'Cairo', sans-serif;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.85rem;
  font-size: 0.9rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  background: var(--bg);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-border);
}

.form-control-lg {
  padding: 0.75rem 1rem;
  font-size: 1rem;
  border-radius: var(--radius-sm);
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--text);
}

.form-check-input:checked {
  background-color: var(--primary);
  border-color: var(--primary);
}

.form-check-input:focus {
  box-shadow: 0 0 0 3px var(--primary-border);
}

/* ─── Cards ─── */
.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

/* ─── Auth Card ─── */
.auth-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.auth-icon {
  font-size: 2.5rem;
  color: var(--primary);
}

/* ─── Profile ─── */
.profile-header {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 2.5rem 2rem;
  text-align: center;
}

.avatar-circle {
  width: 80px;
  height: 80px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
}

.avatar-initials {
  font-size: 2rem;
  font-weight: 700;
  color: white;
}

.profile-info {
  padding: 0;
}

.profile-info-item {
  padding: 0.85rem 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.profile-info-item:last-child {
  border-bottom: none;
}

.profile-info-item small {
  font-size: 0.8rem;
}

.profile-info-item i {
  color: var(--text-muted);
  opacity: 0.4;
}

/* ─── Table ─── */
.table {
  font-family: 'Cairo', sans-serif;
  margin-bottom: 0;
}

.table thead th {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  padding: 0.85rem 1rem;
  font-weight: 600;
}

.table tbody td {
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1rem;
  vertical-align: middle;
}

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

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

.table tbody tr.table-danger {
  background: #fef2f2;
}

.table tbody tr.table-danger:hover {
  background: #fee2e2;
}

.avatar-circle-sm {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.avatar-initials-sm {
  color: white;
  font-size: 0.8rem;
  font-weight: 700;
}

/* ─── Badge ─── */
.badge {
  font-weight: 500;
  font-size: 0.7rem;
  padding: 0.25rem 0.6rem;
  border-radius: 20px;
}

/* ─── Category Header ─── */
.category-toggle {
  cursor: pointer;
  user-select: none;
  transition: background var(--transition), border-radius var(--transition);
  padding: 0.5rem 0.65rem;
  margin-left: -0.65rem;
  margin-right: -0.65rem;
  border-radius: var(--radius-sm);
}

.category-toggle:hover {
  background: var(--primary-subtle);
}

.category-toggle:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.category-header-icon {
  width: 36px;
  height: 36px;
  background: var(--primary-subtle);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1rem;
  flex-shrink: 0;
  transition: var(--transition);
}

.category-toggle:hover .category-header-icon {
  background: var(--primary);
  color: white;
}

/* Chevron rotation */
.category-chevron {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: transform 0.25s ease, color var(--transition);
}

.category-chevron.open {
  transform: rotate(-180deg);
  color: var(--primary);
}

.category-toggle:hover .category-chevron {
  color: var(--primary);
}

/* Collapsible container */
.category-collapse {
  max-height: 5000px;
  overflow: hidden;
  transition: max-height 0.35s ease, opacity 0.25s ease, margin 0.25s ease;
  opacity: 1;
}

.category-collapse:not(.open) {
  max-height: 0;
  opacity: 0;
  margin-bottom: 0;
}

.category-collapse.open {
  max-height: 5000px;
  opacity: 1;
}

/* ─── Pagination ─── */
.pagination {
  gap: 0.25rem;
}

.page-link {
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-family: 'Cairo', sans-serif;
  font-size: 0.85rem;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm) !important;
  transition: all var(--transition);
}

.page-link:hover {
  background: var(--primary-subtle);
  border-color: var(--primary-border);
  color: var(--primary);
}

.page-item.active .page-link {
  background: var(--primary);
  border-color: var(--primary);
}

.page-item.disabled .page-link {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text-muted);
}

/* ─── Select form widget (for category dropdown) ─── */
.form-select {
  font-family: 'Cairo', sans-serif;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.85rem;
  font-size: 0.9rem;
  background-color: var(--bg);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-border);
}

/* ─── Empty States ─── */
.empty-state {
  padding: 4rem 2rem;
  text-align: center;
}

.empty-state-icon {
  font-size: 3.5rem;
  color: var(--text-muted);
  opacity: 0.5;
  display: inline-block;
  margin-bottom: 0.5rem;
}

.empty-state-title {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-top: 0.5rem;
}

/* ─── Toasts ─── */
.toast-container {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 1080;
  max-width: 380px;
}

.toast-container .toast {
  background: var(--text);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  animation: toastSlideIn 0.25s ease;
}

@keyframes toastSlideIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

.toast-container .toast-body {
  font-family: 'Cairo', sans-serif;
  font-size: 0.875rem;
  padding: 0.7rem 1rem;
}

.toast-container .toast-body i {
  font-size: 1rem;
  flex-shrink: 0;
}

/* ─── Alerts (login errors etc) ─── */
.alert {
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: 0.875rem;
}

.alert-danger {
  background: #fef2f2;
  border-color: #fecaca;
  color: #991b1b;
}

/* ─── Footer ─── */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  margin-top: auto;
}

.footer p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ─── Back Button ─── */
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.back-btn:hover {
  color: var(--primary);
  background: var(--primary-subtle);
}

/* ─── Badge primary-subtle ─── */
.bg-primary-subtle {
  background: var(--primary-subtle);
}

.text-primary {
  color: var(--primary) !important;
}

/* ─── Modal ─── */
.modal-content {
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

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

.modal-footer {
  border-top: 1px solid var(--border);
  padding: 0.75rem 1.25rem;
}

.modal-body {
  padding: 1.25rem;
}

/* ─── Utilities ─── */
.min-vh-80 {
  min-height: 80vh;
}

.min-width-0 {
  min-width: 0;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .hero-section {
    padding: 1.5rem 1rem;
  }

  .hero-title {
    font-size: 1.6rem;
  }

  .hero-icon {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 0.85rem;
  }

  .profile-header {
    padding: 2rem 1.25rem;
  }

  .avatar-circle {
    width: 72px;
    height: 72px;
  }

  .avatar-initials {
    font-size: 1.7rem;
  }

  .search-input {
    font-size: 0.95rem;
    padding: 0.65rem 1rem;
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 1.3rem;
  }

  .website-logo-wrapper {
    width: 40px;
    height: 40px;
  }

  .empty-state {
    padding: 3rem 1rem;
  }

  .profile-info-item {
    padding: 0.75rem 1rem;
  }
}

@media (min-width: 992px) {
  .navbar .nav-link {
    padding: 0.5rem 0.75rem;
  }
}