/* ============================================
   Central de Ajuda CONECTAR - CSS Principal
   ============================================ */

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #dbeafe;
  --secondary: #64748b;
  --success: #16a34a;
  --danger: #dc2626;
  --warning: #f59e0b;
  --info: #0ea5e9;
  --bg: #f8fafc;
  --bg-card: #ffffff;
  --bg-sidebar: #1e293b;
  --text: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --border: #e2e8f0;
  --border-hover: #cbd5e1;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --transition: 0.2s ease;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }

/* ============================================
   Utilities
   ============================================ */
.d-none { display: none !important; }
.d-flex { display: flex; }
.d-block { display: block; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.w-full { width: 100%; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }
.text-muted { color: var(--text-muted); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.text-primary { color: var(--primary); }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.overflow-auto { overflow: auto; }
.flex-1 { flex: 1; }
.flex-wrap { flex-wrap: wrap; }
.grid { display: grid; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .md-hide { display: none !important; }
}

/* ============================================
   Layout
   ============================================ */
#app-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 260px;
  background: var(--bg-sidebar);
  color: #fff;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: transform var(--transition);
}

.sidebar-header {
  padding: 1.25rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.sidebar-header img {
  height: 36px;
  width: auto;
}

.sidebar-header h1 {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 0.75rem 0;
}

.sidebar-nav .nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 1rem;
  color: #cbd5e1;
  cursor: pointer;
  transition: all var(--transition);
  border-left: 3px solid transparent;
  font-size: 0.875rem;
}

.sidebar-nav .nav-item:hover {
  background: rgba(255,255,255,0.08);
  color: #fff;
}

.sidebar-nav .nav-item.active {
  background: rgba(37,99,235,0.2);
  color: #60a5fa;
  border-left-color: #60a5fa;
}

.sidebar-nav .nav-item i {
  width: 20px;
  text-align: center;
  font-size: 1rem;
}

.sidebar-nav .nav-section {
  padding: 0.75rem 1rem 0.375rem;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #64748b;
}

.sidebar-user {
  padding: 1rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.sidebar-user .avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.875rem;
}

.sidebar-user .user-info {
  flex: 1;
  min-width: 0;
}

.sidebar-user .user-name {
  font-size: 0.8125rem;
  font-weight: 500;
  color: #fff;
}

.sidebar-user .user-role {
  font-size: 0.6875rem;
  color: #94a3b8;
}

/* Main Content */
.main-content {
  flex: 1;
  margin-left: 260px;
  min-height: 100vh;
}

.content-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}

.content-header h2 {
  font-size: 1.25rem;
  font-weight: 600;
}

.content-body {
  padding: 1.5rem;
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .main-content {
    margin-left: 0;
  }
}

/* ============================================
   Cards
   ============================================ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-header h3 {
  font-size: 1rem;
  font-weight: 600;
}

.card-body {
  padding: 1.25rem;
}

.card-footer {
  padding: 0.75rem 1.25rem;
  border-top: 1px solid var(--border);
  background: #f8fafc;
}

/* Stat Cards */
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.stat-card .stat-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
  font-size: 1.25rem;
}

.stat-card .stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.2;
}

.stat-card .stat-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  line-height: 1.4;
  white-space: nowrap;
}

.btn:hover { opacity: 0.9; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

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

.btn-secondary {
  background: #f1f5f9;
  color: var(--text);
  border-color: var(--border);
}
.btn-secondary:hover { background: #e2e8f0; }

.btn-danger {
  background: var(--danger);
  color: #fff;
}
.btn-danger:hover { background: #b91c1c; }

.btn-success {
  background: var(--success);
  color: #fff;
}

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

.btn-sm {
  padding: 0.25rem 0.625rem;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
}

.btn-icon {
  padding: 0.5rem;
  width: 36px;
  height: 36px;
}

/* ============================================
   Forms
   ============================================ */
.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.375rem;
  color: var(--text);
}

.form-control {
  width: 100%;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
  line-height: 1.5;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.15);
}

.form-control::placeholder { color: var(--text-light); }

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8.825c-.2 0-.4-.075-.55-.225l-3-3a.776.776 0 0 1 0-1.1.776.776 0 0 1 1.1 0L6 6.95l2.45-2.45a.776.776 0 0 1 1.1 0 .776.776 0 0 1 0 1.1l-3 3c-.15.15-.35.225-.55.225Z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2rem;
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

.form-check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-check input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
}

.form-text {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.input-group {
  display: flex;
  gap: 0.5rem;
}

.input-group .form-control { flex: 1; }

/* ============================================
   Tables
   ============================================ */
.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th,
.table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
}

.table th {
  font-weight: 600;
  color: var(--text-muted);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.025em;
  background: #f8fafc;
}

.table tbody tr:hover {
  background: #f8fafc;
}

/* ============================================
   Badges
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 9999px;
  line-height: 1.5;
}

.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-success { background: #dcfce7; color: #15803d; }
.badge-danger { background: #fee2e2; color: #b91c1c; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-secondary { background: #f1f5f9; color: var(--secondary); }

/* ============================================
   Modal
   ============================================ */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  animation: modalIn 0.2s ease;
}

.modal-lg { max-width: 700px; }
.modal-xl { max-width: 900px; }

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.modal-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 1.125rem;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.25rem;
  color: var(--text-muted);
  padding: 0.25rem;
  line-height: 1;
}
.modal-close:hover { color: var(--text); }

.modal-body {
  padding: 1.25rem;
}

.modal-footer {
  padding: 0.75rem 1.25rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
}

/* ============================================
   Tabs
   ============================================ */
.tabs {
  display: flex;
  border-bottom: 2px solid var(--border);
  margin-bottom: 1.25rem;
  overflow-x: auto;
}

.tab {
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  white-space: nowrap;
  transition: all var(--transition);
}

.tab:hover {
  color: var(--text);
}

.tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* ============================================
   Tutorial Cards
   ============================================ */
.tutorial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: var(--shadow);
}

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

.tutorial-card .tutorial-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.tutorial-card .tutorial-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
}

.tutorial-card .tutorial-meta span {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.tutorial-card .tutorial-excerpt {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tutorial-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-top: 0.5rem;
}

.tutorial-tags .tag {
  background: #f1f5f9;
  color: var(--secondary);
  padding: 0.125rem 0.5rem;
  border-radius: 9999px;
  font-size: 0.75rem;
}

/* Star rating */
.star-rating {
  display: inline-flex;
  gap: 2px;
}

.star-rating .star {
  cursor: pointer;
  font-size: 1.25rem;
  color: #d1d5db;
  transition: color var(--transition);
}

.star-rating .star.filled { color: #f59e0b; }
.star-rating .star:hover { color: #fbbf24; }

/* ============================================
   Tutorial View (reader)
   ============================================ */
.tutorial-view {
  max-width: 800px;
  margin: 0 auto;
}

.tutorial-view .tutorial-header {
  margin-bottom: 2rem;
}

.tutorial-view .tutorial-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.75rem;
}

.tutorial-view .tutorial-content {
  font-size: 1rem;
  line-height: 1.8;
}

.tutorial-view .tutorial-content h2 { font-size: 1.375rem; margin: 1.5rem 0 0.75rem; }
.tutorial-view .tutorial-content h3 { font-size: 1.125rem; margin: 1.25rem 0 0.5rem; }
.tutorial-view .tutorial-content p { margin-bottom: 1rem; }
.tutorial-view .tutorial-content ul, 
.tutorial-view .tutorial-content ol { margin-bottom: 1rem; padding-left: 1.5rem; }
.tutorial-view .tutorial-content li { margin-bottom: 0.25rem; }
.tutorial-view .tutorial-content code {
  background: #f1f5f9;
  padding: 0.125rem 0.375rem;
  border-radius: 4px;
  font-size: 0.875em;
}
.tutorial-view .tutorial-content pre {
  background: #1e293b;
  color: #e2e8f0;
  padding: 1rem;
  border-radius: var(--radius);
  overflow-x: auto;
  margin-bottom: 1rem;
}
.tutorial-view .tutorial-content img {
  border-radius: var(--radius);
  margin: 1rem 0;
}

/* ============================================
   Search bar
   ============================================ */
.search-bar {
  position: relative;
  max-width: 500px;
}

.search-bar input {
  width: 100%;
  padding: 0.625rem 1rem 0.625rem 2.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  background: var(--bg-card);
}

.search-bar input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.15);
}

.search-bar i {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
}

/* ============================================
   Category pills
   ============================================ */
.category-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.category-pill {
  padding: 0.375rem 0.875rem;
  border: 1px solid var(--border);
  border-radius: 9999px;
  font-size: 0.8125rem;
  cursor: pointer;
  transition: all var(--transition);
  background: var(--bg-card);
  color: var(--text);
}

.category-pill:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.category-pill.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* ============================================
   Rich text editor toolbar
   ============================================ */
.editor-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-bottom: none;
  border-radius: var(--radius) var(--radius) 0 0;
  background: #f8fafc;
}

.editor-toolbar button {
  padding: 0.375rem 0.5rem;
  border: none;
  border-radius: 4px;
  background: transparent;
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--text);
  transition: background var(--transition);
}

.editor-toolbar button:hover {
  background: #e2e8f0;
}

.editor-toolbar button.active {
  background: var(--primary-light);
  color: var(--primary);
}

.editor-toolbar .separator {
  width: 1px;
  background: var(--border);
  margin: 0 4px;
}

.editor-content {
  border: 1px solid var(--border);
  border-radius: 0 0 var(--radius) var(--radius);
  min-height: 300px;
  padding: 1rem;
  outline: none;
  font-size: 0.9375rem;
  line-height: 1.7;
}

.editor-content:focus {
  border-color: var(--primary);
}

/* ============================================
   Toast notifications
   ============================================ */
.toast-container {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  animation: toastIn 0.3s ease;
  max-width: 400px;
}

.toast-success { background: #dcfce7; color: #15803d; border: 1px solid #bbf7d0; }
.toast-error { background: #fee2e2; color: #b91c1c; border: 1px solid #fecaca; }
.toast-info { background: #dbeafe; color: #1d4ed8; border: 1px solid #bfdbfe; }
.toast-warning { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }

@keyframes toastIn {
  from { opacity: 0; transform: translateX(100%); }
  to { opacity: 1; transform: translateX(0); }
}

/* ============================================
   Pagination
   ============================================ */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  margin-top: 1.5rem;
}

.pagination .page-btn {
  padding: 0.375rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  cursor: pointer;
  font-size: 0.875rem;
  transition: all var(--transition);
}

.pagination .page-btn:hover { border-color: var(--primary); }
.pagination .page-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* ============================================
   Loading spinner
   ============================================ */
.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.loading-overlay {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem;
  flex-direction: column;
  gap: 1rem;
}

/* ============================================
   Empty state
   ============================================ */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

.empty-state i {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.4;
}

.empty-state h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
  color: var(--text);
}

/* ============================================
   Dropzone (file upload)
   ============================================ */
.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
}

.dropzone:hover,
.dropzone.dragover {
  border-color: var(--primary);
  background: var(--primary-light);
}

.dropzone i {
  font-size: 2rem;
  color: var(--text-light);
  margin-bottom: 0.5rem;
}

/* ============================================
   Switch toggle
   ============================================ */
.switch {
  position: relative;
  width: 44px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.switch .slider {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: #cbd5e1;
  border-radius: 9999px;
  transition: var(--transition);
  cursor: pointer;
}

.switch .slider::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  left: 3px;
  bottom: 3px;
  background: #fff;
  border-radius: 50%;
  transition: var(--transition);
}

.switch input:checked + .slider {
  background: var(--primary);
}

.switch input:checked + .slider::before {
  transform: translateX(20px);
}

/* ============================================
   Progress bar
   ============================================ */
.progress {
  height: 8px;
  background: #e2e8f0;
  border-radius: 9999px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--primary);
  border-radius: 9999px;
  transition: width 0.5s ease;
}

/* ============================================
   Accordion
   ============================================ */
.accordion-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
  overflow: hidden;
}

.accordion-header {
  padding: 0.75rem 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 500;
  background: var(--bg-card);
  transition: background var(--transition);
}

.accordion-header:hover { background: #f8fafc; }

.accordion-header .arrow {
  transition: transform var(--transition);
}

.accordion-item.open .accordion-header .arrow {
  transform: rotate(180deg);
}

.accordion-body {
  display: none;
  padding: 1rem;
  border-top: 1px solid var(--border);
}

.accordion-item.open .accordion-body {
  display: block;
}

/* ============================================
   Auth page (login/register)
   ============================================ */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: linear-gradient(135deg, #1e3a5f 0%, #2563eb 100%);
}

.auth-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 420px;
  padding: 2rem;
}

.auth-card h2 {
  text-align: center;
  margin-bottom: 0.5rem;
}

.auth-card .auth-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}

.auth-tabs {
  display: flex;
  border-bottom: 2px solid var(--border);
  margin-bottom: 1.5rem;
}

.auth-tabs .auth-tab {
  flex: 1;
  text-align: center;
  padding: 0.5rem;
  font-weight: 500;
  cursor: pointer;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition);
}

.auth-tabs .auth-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* ============================================
   Whatsapp floating button
   ============================================ */
.whatsapp-btn {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  z-index: 50;
  transition: transform var(--transition);
  border: none;
}

.whatsapp-btn:hover {
  transform: scale(1.1);
}

/* ============================================
   Modal overlay
   ============================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 1rem;
}

.modal {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  animation: modalIn 0.2s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

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

.modal-header h3 { font-size: 1.125rem; font-weight: 600; }

.modal-body { padding: 1.5rem; }

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
}

/* ============================================
   Fullscreen editor overlay
   ============================================ */
.editor-fullscreen {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.editor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
  flex-shrink: 0;
}

.editor-header h2 { font-size: 1.25rem; font-weight: 600; }
.editor-header p { margin: 0; }

.editor-body {
  flex: 1;
  overflow-y: auto;
  padding: 2rem;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

/* ============================================
   Rich editor (contentEditable)
   ============================================ */
.rich-editor {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.rich-editor .editor-toolbar {
  border: none;
  border-bottom: 1px solid var(--border);
  border-radius: 0;
}

.editor-btn {
  padding: 0.375rem 0.5rem;
  border: none;
  border-radius: 4px;
  background: transparent;
  cursor: pointer;
  font-size: 1rem;
  color: var(--text);
  transition: background var(--transition);
  line-height: 1;
}

.editor-btn:hover { background: #e2e8f0; }
.editor-sep { width: 1px; background: var(--border); margin: 0 4px; align-self: stretch; }

.rich-editor .editor-content {
  border: none;
  border-radius: 0;
}

/* ============================================
   Switch toggle (improved)
   ============================================ */
.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.switch-slider {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: #cbd5e1;
  border-radius: 9999px;
  transition: var(--transition);
  cursor: pointer;
}

.switch-slider::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  left: 3px;
  bottom: 3px;
  background: #fff;
  border-radius: 50%;
  transition: var(--transition);
}

.switch input:checked + .switch-slider {
  background: var(--primary);
}

.switch input:checked + .switch-slider::before {
  transform: translateX(20px);
}

/* ============================================
   Progress bar (improved)
   ============================================ */
.progress-bar {
  height: 8px;
  background: #e2e8f0;
  border-radius: 9999px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 9999px;
  transition: width 0.5s ease;
}

/* ============================================
   Tabs
   ============================================ */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border);
  overflow-x: auto;
}

.tab {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  white-space: nowrap;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.tab:hover { color: var(--text); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }

/* ============================================
   Sidebar user area
   ============================================ */
.sidebar-user {
  padding: 1rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.user-info {
  flex: 1;
  min-width: 0;
}

.user-name {
  font-size: 0.8125rem;
  font-weight: 500;
  color: #fff;
}

.user-role {
  font-size: 0.6875rem;
  color: rgba(255,255,255,0.6);
}

.sidebar-user .btn-icon {
  color: rgba(255,255,255,0.6);
  background: transparent;
  border: none;
}

.sidebar-user .btn-icon:hover {
  color: #fff;
}

/* ============================================
   Navigation sections
   ============================================ */
.nav-section {
  padding: 1rem 1rem 0.25rem;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(255,255,255,0.4);
  font-weight: 600;
}

/* ============================================
   Tag badge with remove button
   ============================================ */
.tag-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.tag-remove {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  color: inherit;
  opacity: 0.7;
  padding: 0 2px;
}

.tag-remove:hover { opacity: 1; color: var(--danger); }

/* ============================================
   Additional utility classes
   ============================================ */
.text-center { text-align: center; }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-muted { color: var(--text-muted); }
.text-danger { color: var(--danger); }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.opacity-60 { opacity: 0.6; }
.w-full { width: 100%; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mr-2 { margin-right: 0.5rem; }
.my-4 { margin-top: 1rem; margin-bottom: 1rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }

.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .editor-body { padding: 1rem; }
}

/* ============================================
   Stat card (dashboard)
   ============================================ */
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.stat-card-icon { font-size: 1.25rem; color: var(--primary); margin-bottom: 0.5rem; }
.stat-card-label { font-size: 0.8125rem; color: var(--text-muted); margin-bottom: 0.25rem; }
.stat-card-value { font-size: 1.75rem; font-weight: 700; }

/* ============================================
   Form control SM
   ============================================ */
.form-control-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
  height: auto;
}

/* ============================================
   Print styles
   ============================================ */
@media print {
  .sidebar, .content-header, .whatsapp-btn, .toast-container { display: none !important; }
  .main-content { margin-left: 0 !important; }
}