/* ===================================================
   EDUVANCE LMS ADMIN PANEL — Custom Styles
   Dark Theme | Bootstrap 5.3 Override | Responsive
   =================================================== */

/* ---- Google Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ---- CSS Custom Properties ---- */
:root {
  /* Primary Palette */
  --primary: #6C5CE7;
  --primary-light: #A29BFE;
  --primary-dark: #4A3FBF;
  --primary-glow: rgba(108, 92, 231, 0.35);

  /* Accent */
  --accent: #00CEC9;
  --accent-light: #55EFC4;
  --accent-dark: #00B5B0;

  /* Surfaces */
  --bg-body: #0F0E17;
  --bg-card: #1A1A2E;
  --bg-card-hover: #222240;
  --bg-sidebar: #141428;
  --bg-input: #1E1E36;

  /* Text */
  --text-primary: #EAEAFF;
  --text-secondary: #9B9BC0;
  --text-muted: #6C6C8A;

  /* Borders */
  --border-color: rgba(108, 92, 231, 0.15);
  --border-active: rgba(108, 92, 231, 0.5);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #6C5CE7 0%, #A29BFE 100%);
  --gradient-accent: linear-gradient(135deg, #00CEC9 0%, #55EFC4 100%);
  --gradient-card: linear-gradient(145deg, #1A1A2E 0%, #16213E 100%);
  --gradient-danger: linear-gradient(135deg, #E17055 0%, #D63031 100%);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px var(--primary-glow);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-med: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Sidebar */
  --sidebar-width: 260px;
  --sidebar-collapsed: 72px;
}

/* ---- Global Reset ---- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-body);
}
::-webkit-scrollbar-thumb {
  background: var(--primary-dark);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* ---- Animations Keyframes ---- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes ripple {
  0% {
    transform: scale(0);
    opacity: 0.5;
  }
  100% {
    transform: scale(4);
    opacity: 0;
  }
}

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

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ---- Utility Animation Classes ---- */
.animate-fade-in-up {
  animation: fadeInUp 0.6s var(--transition-med) forwards;
  opacity: 0;
}

.animate-fade-in {
  animation: fadeIn 0.5s ease forwards;
  opacity: 0;
}

.animate-slide-left {
  animation: slideInLeft 0.5s ease forwards;
  opacity: 0;
}

.animate-slide-right {
  animation: slideInRight 0.5s ease forwards;
  opacity: 0;
}

.animate-scale-in {
  animation: scaleIn 0.4s ease forwards;
  opacity: 0;
}

/* Staggered animation delays */
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }
.delay-6 { animation-delay: 0.6s; }

/* =======================================
   LOGIN PAGE
   ======================================= */
.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-body);
  position: relative;
  overflow: hidden;
}

/* Animated background orbs */
.login-wrapper::before,
.login-wrapper::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  animation: float 8s ease-in-out infinite;
}
.login-wrapper::before {
  width: 400px;
  height: 400px;
  background: var(--primary-glow);
  top: -100px;
  right: -100px;
}
.login-wrapper::after {
  width: 350px;
  height: 350px;
  background: rgba(0, 206, 201, 0.15);
  bottom: -80px;
  left: -80px;
  animation-delay: 4s;
}

.login-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  width: 100%;
  max-width: 440px;
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-lg);
  animation: scaleIn 0.6s ease forwards;
}

.login-card .logo {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 28px;
  box-shadow: var(--shadow-glow);
}

.login-card h1 {
  font-size: 1.75rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 8px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-card .subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-size: 0.9rem;
}

/* ---- Form Elements ---- */
.form-floating {
  margin-bottom: 20px;
}

.form-floating > .form-control {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  height: 56px;
  padding: 16px;
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.form-floating > .form-control:focus {
  background: var(--bg-input);
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
  color: var(--text-primary);
}

.form-floating > label {
  color: var(--text-muted);
  padding: 16px;
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label {
  color: var(--primary-light);
}

/* ---- Buttons ---- */
.btn-primary-custom {
  background: var(--gradient-primary);
  border: none;
  border-radius: var(--radius-sm);
  color: #fff;
  font-weight: 600;
  padding: 14px 28px;
  font-size: 1rem;
  width: 100%;
  position: relative;
  overflow: hidden;
  transition: var(--transition-fast);
  cursor: pointer;
}

.btn-primary-custom:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
  filter: brightness(1.1);
}

.btn-primary-custom:active {
  transform: translateY(0);
}

.btn-primary-custom .spinner {
  display: none;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin-right: 8px;
}

.btn-primary-custom.loading .spinner {
  display: inline-block;
}

.btn-primary-custom.loading .btn-text {
  opacity: 0.7;
}

/* Ripple effect */
.ripple {
  position: relative;
  overflow: hidden;
}

.ripple::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  top: 50%;
  left: 50%;
  pointer-events: none;
  background: radial-gradient(circle, rgba(255,255,255,0.25) 0%, transparent 60%);
  transform: translate(-50%, -50%) scale(0);
  opacity: 0;
  transition: transform 0.5s, opacity 0.3s;
}

.ripple:active::after {
  transform: translate(-50%, -50%) scale(4);
  opacity: 0;
  transition: 0s;
}

/* Alert */
.alert-error {
  background: rgba(214, 48, 49, 0.15);
  border: 1px solid rgba(214, 48, 49, 0.3);
  color: #FF7675;
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 0.9rem;
  display: none;
  animation: fadeIn 0.3s ease;
}

.alert-error.show {
  display: block;
}

/* =======================================
   SIDEBAR LAYOUT
   ======================================= */
.admin-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  transition: var(--transition-med);
  animation: slideInLeft 0.5s ease;
}

.sidebar-header {
  padding: 24px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-header .logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
  box-shadow: var(--shadow-glow);
}

.sidebar-header .brand-text {
  font-size: 1.25rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  overflow-y: auto;
}

.nav-item {
  margin-bottom: 4px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition-fast);
  position: relative;
}

.nav-link i {
  font-size: 1.15rem;
  width: 24px;
  text-align: center;
}

.nav-link:hover {
  background: rgba(108, 92, 231, 0.1);
  color: var(--text-primary);
  transform: translateX(4px);
}

.nav-link.active {
  background: rgba(108, 92, 231, 0.15);
  color: var(--primary-light);
}

.nav-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  background: var(--gradient-primary);
  border-radius: 0 4px 4px 0;
}

.sidebar-footer {
  padding: 16px 12px;
  border-top: 1px solid var(--border-color);
}

.sidebar-footer .nav-link {
  color: #FF7675;
}

.sidebar-footer .nav-link:hover {
  background: rgba(214, 48, 49, 0.1);
  color: #FF7675;
}

/* Mobile sidebar toggle */
.sidebar-toggle {
  display: none;
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 1100;
  width: 44px;
  height: 44px;
  background: var(--gradient-primary);
  border: none;
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: var(--transition-fast);
}

.sidebar-toggle:hover {
  transform: scale(1.05);
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 999;
  opacity: 0;
  transition: opacity var(--transition-med);
}

.sidebar-overlay.active {
  opacity: 1;
}

/* ---- Main Content Area ---- */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  min-height: 100vh;
  transition: var(--transition-med);
}

/* Top Header Bar */
.top-header {
  padding: 20px 32px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(15, 14, 23, 0.8);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
  animation: fadeIn 0.5s ease;
}

.top-header .page-title {
  font-size: 1.5rem;
  font-weight: 700;
}

.top-header .page-title span {
  color: var(--primary-light);
}

.top-header .admin-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.admin-avatar {
  width: 38px;
  height: 38px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.85rem;
}

.page-content {
  padding: 32px;
}

/* =======================================
   STATS CARDS
   ======================================= */
.stat-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--transition-med);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: var(--transition-fast);
}

.stat-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-active);
  box-shadow: var(--shadow-glow);
}

.stat-card:hover::before {
  opacity: 1;
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.stat-icon.purple { background: rgba(108, 92, 231, 0.15); color: var(--primary-light); }
.stat-icon.teal { background: rgba(0, 206, 201, 0.15); color: var(--accent); }
.stat-icon.orange { background: rgba(225, 112, 85, 0.15); color: #E17055; }
.stat-icon.pink { background: rgba(253, 121, 168, 0.15); color: #FD79A8; }

.stat-value {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
}

/* =======================================
   DATA TABLE / COURSE LIST
   ======================================= */
.content-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.content-card-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.content-card-header h5 {
  font-weight: 600;
  margin: 0;
}

.content-card-body {
  padding: 0;
}

/* Custom table */
.table-custom {
  width: 100%;
  margin: 0;
}

.table-custom thead th {
  background: rgba(108, 92, 231, 0.08);
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 14px 20px;
}

.table-custom tbody tr {
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-fast);
}

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

.table-custom tbody tr:hover {
  background: rgba(108, 92, 231, 0.05);
}

.table-custom tbody td {
  padding: 16px 20px;
  vertical-align: middle;
  color: var(--text-primary);
  font-size: 0.9rem;
}

/* ---- Action Buttons ---- */
.btn-action {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
  font-size: 0.85rem;
}

.btn-action:hover {
  border-color: var(--primary);
  color: var(--primary-light);
  background: rgba(108, 92, 231, 0.1);
}

.btn-action.danger:hover {
  border-color: #D63031;
  color: #FF7675;
  background: rgba(214, 48, 49, 0.1);
}

/* ---- Custom Buttons (general) ---- */
.btn-gradient {
  background: var(--gradient-primary);
  border: none;
  border-radius: var(--radius-sm);
  color: #fff;
  font-weight: 600;
  padding: 10px 20px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-gradient:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
  filter: brightness(1.1);
  color: #fff;
}

.btn-gradient:active {
  transform: translateY(0);
}

.btn-gradient.accent {
  background: var(--gradient-accent);
}

.btn-gradient.danger {
  background: var(--gradient-danger);
}

.btn-outline-custom {
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-weight: 500;
  padding: 10px 20px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-outline-custom:hover {
  border-color: var(--primary);
  color: var(--primary-light);
  background: rgba(108, 92, 231, 0.08);
}

/* =======================================
   COURSE EDITOR PAGE
   ======================================= */
.editor-section {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 24px;
  animation: fadeInUp 0.5s ease forwards;
  opacity: 0;
}

.editor-section h5 {
  font-weight: 600;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.editor-section h5 i {
  color: var(--primary-light);
}

/* Form inputs in editor */
.form-custom {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 12px 16px;
  font-size: 0.9rem;
  width: 100%;
  transition: var(--transition-fast);
  font-family: 'Inter', sans-serif;
}

.form-custom:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
  background: var(--bg-input);
  color: var(--text-primary);
}

.form-custom::placeholder {
  color: var(--text-muted);
}

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

.form-label-custom {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.85rem;
  margin-bottom: 8px;
  display: block;
}

/* Section Items */
.section-item {
  background: rgba(108, 92, 231, 0.05);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 16px;
  transition: var(--transition-fast);
  animation: fadeInUp 0.4s ease forwards;
  opacity: 0;
}

.section-item:hover {
  border-color: var(--border-active);
}

.section-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  gap: 12px;
}

.section-item-header .section-number {
  width: 32px;
  height: 32px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.section-item-header .section-title-input {
  flex: 1;
}

/* Content items within section */
.content-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-bottom: 12px;
  transition: var(--transition-fast);
  animation: fadeIn 0.3s ease forwards;
}

.content-item:hover {
  border-color: var(--border-active);
  background: var(--bg-card-hover);
}

.content-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  gap: 8px;
}

.content-type-badge {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
}

.content-type-badge.video {
  background: rgba(108, 92, 231, 0.15);
  color: var(--primary-light);
}

.content-type-badge.pdf {
  background: rgba(225, 112, 85, 0.15);
  color: #E17055;
}

.content-type-badge.file {
  background: rgba(0, 206, 201, 0.15);
  color: var(--accent);
}

/* Video Preview */
.video-preview-wrapper {
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-top: 12px;
  background: #000;
  aspect-ratio: 16 / 9;
  max-height: 240px;
}

.video-preview-wrapper iframe,
.video-preview-wrapper video {
  width: 100%;
  height: 100%;
  border: none;
}

/* ---- Empty State ---- */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state i {
  font-size: 3rem;
  margin-bottom: 16px;
  color: var(--primary-dark);
}

.empty-state h6 {
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.empty-state p {
  font-size: 0.85rem;
}

/* ---- Toast Notification ---- */
.toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  min-width: 300px;
  max-width: 400px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-lg);
  animation: slideInRight 0.4s ease forwards;
}

.toast-item.success {
  border-left: 4px solid var(--accent);
}

.toast-item.error {
  border-left: 4px solid #D63031;
}

.toast-item.info {
  border-left: 4px solid var(--primary);
}

.toast-item .toast-icon {
  font-size: 1.2rem;
}

.toast-item.success .toast-icon { color: var(--accent); }
.toast-item.error .toast-icon { color: #FF7675; }
.toast-item.info .toast-icon { color: var(--primary-light); }

.toast-item .toast-msg {
  flex: 1;
  font-size: 0.9rem;
}

.toast-item .toast-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  transition: var(--transition-fast);
}

.toast-item .toast-close:hover {
  color: var(--text-primary);
}

/* ---- Modal Override ---- */
.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
}

.modal-header {
  border-bottom: 1px solid var(--border-color);
  padding: 20px 24px;
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  border-top: 1px solid var(--border-color);
  padding: 16px 24px;
}

.modal-backdrop.show {
  opacity: 0.7;
}

.btn-close {
  filter: invert(1);
}

/* ---- Loading Overlay ---- */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 14, 23, 0.9);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  gap: 16px;
}

.loading-spinner {
  width: 44px;
  height: 44px;
  border: 3px solid var(--border-color);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.loading-text {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ---- Badge / Pill ---- */
.badge-custom {
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-custom.primary {
  background: rgba(108, 92, 231, 0.15);
  color: var(--primary-light);
}

.badge-custom.accent {
  background: rgba(0, 206, 201, 0.15);
  color: var(--accent);
}

/* =======================================
   RESPONSIVE: TABLET (≤992px)
   ======================================= */
@media (max-width: 992px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.active {
    transform: translateX(0);
    box-shadow: var(--shadow-lg);
  }

  .sidebar-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .sidebar-overlay.active {
    display: block;
  }

  .main-content {
    margin-left: 0;
  }

  .top-header {
    padding-left: 72px;
  }

  .page-content {
    padding: 24px;
  }

  .content-card-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* =======================================
   RESPONSIVE: MOBILE (≤576px)
   ======================================= */
@media (max-width: 576px) {
  .login-card {
    margin: 16px;
    padding: 32px 24px;
  }

  .top-header {
    padding: 16px 20px 16px 64px;
  }

  .top-header .page-title {
    font-size: 1.15rem;
  }

  .page-content {
    padding: 16px;
  }

  .stat-card {
    padding: 18px;
  }

  .stat-value {
    font-size: 1.5rem;
  }

  .editor-section {
    padding: 20px;
  }

  .section-item {
    padding: 16px;
  }

  .content-item {
    padding: 12px;
  }

  .toast-item {
    min-width: auto;
    max-width: calc(100vw - 48px);
  }

  .table-custom thead {
    display: none;
  }

  .table-custom tbody tr {
    display: block;
    margin-bottom: 12px;
    padding: 16px;
    background: rgba(108, 92, 231, 0.03);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
  }

  .table-custom tbody td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
  }

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

  .table-custom tbody td::before {
    content: attr(data-label);
    font-weight: 600;
    font-size: 0.78rem;
    text-transform: uppercase;
    color: var(--text-secondary);
  }
}

/* ---- Misc / Helpers ---- */
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gap-custom {
  gap: 16px;
}

.cursor-pointer {
  cursor: pointer;
}

/* Add content dropdown */
.add-content-dropdown .dropdown-menu {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 8px;
  min-width: 180px;
}

.add-content-dropdown .dropdown-item {
  color: var(--text-secondary);
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: var(--transition-fast);
}

.add-content-dropdown .dropdown-item:hover {
  background: rgba(108, 92, 231, 0.1);
  color: var(--text-primary);
}

.add-content-dropdown .dropdown-item i {
  width: 20px;
  text-align: center;
}