/* ============================================
   ENGLISH M3AYA — Component Styles
   ============================================ */

/* --- Layout: App Shell --- */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* --- Sidebar --- */
.sidebar {
  width: var(--sidebar-width);
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  background: #0d1b3e;
  border-right: none;
  display: flex;
  flex-direction: column;
  transition: width var(--transition-slow), transform var(--transition-slow);
  overflow: hidden;
  transform: translateZ(0);
  will-change: transform, width;
}

.sidebar.collapsed {
  width: var(--sidebar-collapsed);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-5);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  min-height: var(--header-height);
}

.sidebar-brand .logo-text {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: #d4af37;
  letter-spacing: -0.5px;
  white-space: nowrap;
  transition: opacity var(--transition);
}

.sidebar.collapsed .logo-text {
  opacity: 0;
  width: 0;
}

.sidebar-brand .logo-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: white;
  font-weight: 800;
  font-size: var(--font-size-lg);
}

/* Brand text: English M3aya */
.brand-text {
  font-family: 'Georgia', 'Times New Roman', serif;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.5px;
  white-space: nowrap;
  line-height: 1;
}
.brand-english {
  color: #ffffff;
}
.brand-m3aya {
  color: #d4af37;
}
.sidebar.collapsed .brand-text {
  display: none;
}

.sidebar-toggle {
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  color: rgba(255,255,255,0.5);
  cursor: pointer;
  transition: all var(--transition);
  margin-left: auto;
  flex-shrink: 0;
}
.sidebar-toggle:hover {
  background: rgba(255,255,255,0.08);
  color: #fff;
}
.sidebar.collapsed .sidebar-toggle {
  margin-left: 0;
}

/* Student Info Card */
.sidebar-student {
  margin: var(--space-4) var(--space-4) 0;
  padding: var(--space-3) var(--space-4);
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  transition: all var(--transition);
}

.sidebar.collapsed .sidebar-student {
  padding: var(--space-3);
  justify-content: center;
  margin: var(--space-4) var(--space-2) 0;
}

.sidebar-student .student-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: var(--font-size-sm);
  flex-shrink: 0;
}

.sidebar-student .student-name {
  font-weight: 600;
  color: #fff;
  font-size: var(--font-size-sm);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar.collapsed .student-name {
  display: none;
}

/* Nav Section */
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4) 0;
}

.nav-section-label {
  padding: var(--space-2) var(--space-5);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: rgba(255,255,255,0.35);
  margin-top: var(--space-4);
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  white-space: nowrap;
}

.nav-section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(255,255,255,0.1);
  margin-right: var(--space-5);
}

.sidebar.collapsed .nav-section-label {
  font-size: 0;
  padding: var(--space-2);
  justify-content: center;
}
.sidebar.collapsed .nav-section-label::after {
  margin-right: var(--space-2);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  margin: 2px var(--space-3);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  color: rgba(255,255,255,0.55);
  font-weight: 500;
  font-size: var(--font-size-sm);
  position: relative;
  white-space: nowrap;
  transform: translateZ(0);
}

.nav-item:hover {
  background: rgba(255,255,255,0.06);
  color: #fff;
}

.nav-item.active {
  background: rgba(212, 175, 55, 0.1);
  color: #d4af37;
  font-weight: 600;
}

[data-theme="dark"] .nav-item.active {
  background: rgba(212, 175, 55, 0.12);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  background: #d4af37;
  border-radius: 0 var(--radius-full) var(--radius-full) 0;
}

.nav-item .nav-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-item .nav-label {
  transition: opacity var(--transition);
}

.sidebar.collapsed .nav-item {
  padding: var(--space-3);
  justify-content: center;
  margin: 2px var(--space-2);
}

.sidebar.collapsed .nav-label {
  display: none;
}

/* --- Expandable Nav Parent --- */
.nav-item-parent {
  margin: 2px var(--space-3);
  display: block;
  width: auto;
}
.nav-item-parent .nav-item {
  margin: 0;
  position: relative;
}
.nav-item-parent .nav-chevron {
  margin-left: auto;
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.25s ease;
  opacity: 0.5;
  flex-shrink: 0;
}
.nav-item-parent.expanded .nav-chevron {
  transform: rotate(180deg);
  opacity: 0.8;
}
.sidebar.collapsed .nav-chevron {
  display: none;
}

.nav-children {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transform: translateZ(0);
  will-change: max-height;
}
.nav-children.open {
  max-height: 250px;
}

.nav-child-item {
  display: flex;
  align-items: center;
  padding: var(--space-2) var(--space-5);
  padding-left: calc(var(--space-5) + 28px);
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.45);
  cursor: pointer;
  transition: all 0.2s;
  border-radius: var(--radius-sm);
  margin: 1px 0;
  position: relative;
}
.nav-child-item::before {
  content: '';
  position: absolute;
  left: calc(var(--space-5) + 8px);
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  transition: all 0.2s;
}
.nav-child-item:hover {
  color: #fff;
  background: rgba(255,255,255,0.06);
}
.nav-child-item:hover::before {
  background: rgba(255,255,255,0.4);
}
.nav-child-item.active {
  color: var(--color-secondary);
  font-weight: 600;
}
.nav-child-item.active::before {
  background: var(--color-secondary);
  box-shadow: 0 0 6px rgba(212, 175, 55, 0.4);
}

.sidebar.collapsed .nav-children {
  display: none;
}

.nav-item.logout {
  color: var(--color-error);
}
.nav-item.logout:hover {
  background: rgba(239,68,68,0.15);
}

/* --- Header --- */
.header {
  height: var(--header-height);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  position: sticky;
  top: 0;
  z-index: 50;
  transition: background var(--transition);
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.header-left .page-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
}

.header-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.header-breadcrumb .breadcrumb-active {
  color: var(--color-primary);
  font-weight: 500;
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header-action {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: all 0.2s ease;
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}
.header-action:hover {
  background: var(--color-bg);
  color: var(--color-text);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.header-action .badge-dot {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-error);
  border: 2px solid var(--color-bg);
}

/* Language Switcher */
.lang-switcher {
  position: relative;
  display: flex;
  align-items: center;
}

.lang-switcher-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 8px 14px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
}
.lang-switcher-btn:hover {
  background: var(--color-bg);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.lang-switcher-btn .flag-emoji {
  font-size: 1.2rem;
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  min-width: 160px;
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition);
}
.lang-dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: background var(--transition);
}
.lang-option:first-child { border-radius: var(--radius) var(--radius) 0 0; }
.lang-option:last-child { border-radius: 0 0 var(--radius) var(--radius); }
.lang-option:hover { background: var(--color-surface); }
.lang-option.active { background: var(--color-surface); color: var(--color-primary); font-weight: 600; }

/* Theme Toggle */
.theme-toggle {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-text-muted);
  transition: all 0.2s ease;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}
.theme-toggle:hover {
  background: var(--color-bg);
  color: #d4af37;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

/* Profile Dropdown */
.profile-dropdown {
  position: relative;
}
.profile-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0d1b3e, #1a2d5e);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  border: 2px solid #d4af37;
}
.profile-btn:hover {
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.25);
}

.profile-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  min-width: 200px;
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition);
}
.profile-menu.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.profile-menu-header {
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}
.profile-menu-header .profile-name {
  font-weight: 600;
  font-size: var(--font-size-sm);
}
.profile-menu-header .profile-email {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}
.profile-menu-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: background var(--transition);
}
.profile-menu-item:hover { background: var(--color-surface); }
.profile-menu-item.danger { color: var(--color-error); }
.profile-menu-item.danger:hover { background: var(--color-error-light); }

/* --- Main Content Area --- */
.main-content {
  flex: 1;
  margin-left: 0;
  margin-right: 0;
  margin-inline-start: var(--sidebar-width);
  min-height: 100vh;
  transition: margin var(--transition-slow);
  background: var(--color-surface);
  -webkit-overflow-scrolling: touch;
  will-change: scroll-position;
}

.sidebar.collapsed ~ .main-content {
  margin-inline-start: var(--sidebar-collapsed);
}

.page-content {
  padding: var(--space-6);
  max-width: 100%;
}

/* --- Cards --- */
.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-5);
  transition: all var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-md);
}
.card-clickable {
  cursor: pointer;
}
.card-clickable:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: var(--font-size-sm);
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: white;
}
.btn-primary:hover {
  box-shadow: 0 4px 12px rgba(13, 27, 62, 0.3);
  transform: translateY(-1px);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-light));
  color: var(--color-primary-dark);
}
.btn-secondary:hover {
  box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--color-border);
  color: var(--color-text);
}
.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(13, 27, 62, 0.03);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
}
.btn-ghost:hover {
  background: var(--color-surface);
  color: var(--color-text);
}

.btn-danger {
  background: var(--color-error);
  color: white;
}
.btn-danger:hover {
  background: #dc2626;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

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

.btn-sm {
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-base);
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-sm);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* --- Badges --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 2px var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.3px;
}

.badge-primary {
  background: rgba(13, 27, 62, 0.1);
  color: var(--color-primary);
}
[data-theme="dark"] .badge-primary {
  background: rgba(74, 125, 255, 0.15);
}

.badge-success {
  background: var(--color-success-light);
  color: var(--color-success);
}
.badge-error {
  background: var(--color-error-light);
  color: var(--color-error);
}
.badge-warning {
  background: var(--color-warning-light);
  color: var(--color-warning);
}
.badge-info {
  background: var(--color-info-light);
  color: var(--color-info);
}
.badge-gold {
  background: rgba(212, 175, 55, 0.15);
  color: var(--color-secondary-dark);
}

/* --- Tab Filter --- */
.tab-filter {
  display: inline-flex;
  gap: var(--space-1);
  background: #ffffff;
  padding: 5px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  margin: 0 auto;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}
.tab-filter-item {
  padding: var(--space-2) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
  color: var(--color-text-muted);
  border: none;
  background: transparent;
}
.tab-filter-item:hover {
  color: var(--color-text);
  background: rgba(13, 27, 62, 0.05);
}
.tab-filter-item.active {
  background: linear-gradient(135deg, #0d1b3e, #1a2d5e);
  color: #ffffff;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(13, 27, 62, 0.3);
}

/* --- Stepper --- */
.stepper {
  display: flex;
  align-items: center;
  gap: 0;
  padding: var(--space-4) 0;
}

.stepper-step {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex: 1;
  position: relative;
}

.stepper-step:not(:last-child)::after {
  content: '';
  flex: 1;
  height: 2px;
  background: var(--color-border);
  margin: 0 var(--space-3);
  transition: background var(--transition);
}

.stepper-step.completed::after {
  background: var(--color-success);
}

.step-circle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-sm);
  border: 2px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text-muted);
  transition: all var(--transition);
  flex-shrink: 0;
}

.stepper-step.active .step-circle {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: white;
  box-shadow: 0 0 0 4px rgba(13, 27, 62, 0.1);
}

.stepper-step.completed .step-circle {
  border-color: var(--color-success);
  background: var(--color-success);
  color: white;
}

.stepper-step.locked .step-circle {
  opacity: 0.5;
}

.step-label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  white-space: nowrap;
}
.stepper-step.active .step-label {
  color: var(--color-primary);
  font-weight: 600;
}
.stepper-step.completed .step-label {
  color: var(--color-success);
}

/* --- Modal --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(13, 27, 62, 0.45);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.3s;
}
.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 64px rgba(13, 27, 62, 0.25);
  max-width: 560px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  transform: scale(0.92) translateY(20px);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.35s ease;
}
.modal-overlay.open .modal {
  transform: scale(1) translateY(0);
  opacity: 1;
}

.modal-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-header h3 {
  font-size: var(--font-size-lg);
}
.modal-body {
  padding: var(--space-6);
}
.modal-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
}

/* --- Form Elements --- */
.form-group {
  margin-bottom: var(--space-5);
}
.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}
.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  transition: all var(--transition);
  background: var(--color-bg);
  color: var(--color-text);
}
.form-input:focus {
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.15);
}
.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  background: var(--color-bg);
  color: var(--color-text);
  cursor: pointer;
}
textarea.form-input {
  resize: vertical;
  min-height: 120px;
}

/* --- Toggle Switch --- */
.toggle-switch {
  position: relative;
  width: 44px;
  height: 24px;
  cursor: pointer;
}
.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}
.toggle-track {
  position: absolute;
  inset: 0;
  background: var(--color-border);
  border-radius: var(--radius-full);
  transition: background var(--transition);
}
.toggle-switch input:checked + .toggle-track {
  background: var(--color-success);
}
.toggle-track::after {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: white;
  top: 3px;
  left: 3px;
  transition: transform var(--transition);
  box-shadow: var(--shadow-sm);
}
.toggle-switch input:checked + .toggle-track::after {
  transform: translateX(20px);
}

/* --- Stat Card --- */
.stat-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  transition: all var(--transition);
}
.stat-card:hover {
  box-shadow: var(--shadow-md);
}
.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.stat-icon.primary { background: rgba(13, 27, 62, 0.08); color: var(--color-primary); }
.stat-icon.success { background: var(--color-success-light); color: var(--color-success); }
.stat-icon.warning { background: var(--color-warning-light); color: var(--color-warning); }
.stat-icon.error { background: var(--color-error-light); color: var(--color-error); }
.stat-icon.info { background: var(--color-info-light); color: var(--color-info); }
.stat-icon.gold { background: rgba(212, 175, 55, 0.12); color: var(--color-secondary-dark); }

[data-theme="dark"] .stat-icon.primary { background: rgba(74, 125, 255, 0.15); }

.stat-value {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  line-height: 1;
}
.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

/* --- Content Card (Course, Listening, etc.) --- */
.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-5);
}

.content-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition);
}
.content-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.content-card-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--color-surface);
  overflow: hidden;
}
.content-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.content-card:hover .content-card-thumb img {
  transform: scale(1.05);
}

.content-card-status {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
}

.content-card-level {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
}

.content-card-body {
  padding: var(--space-4);
}

.content-card-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--space-2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.content-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.content-card-progress {
  margin-top: var(--space-3);
  height: 4px;
  background: var(--color-surface);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.content-card-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

/* --- Flashcard --- */
.flashcard-container {
  perspective: 1000px;
  width: 320px;
  height: 420px;
}

.flashcard {
  width: 100%;
  height: 100%;
  position: relative;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
  cursor: pointer;
}

.flashcard.flipped {
  transform: rotateY(180deg);
}

.flashcard-front,
.flashcard-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
  text-align: center;
  background: var(--color-bg);
  box-shadow: var(--shadow-md);
}

.flashcard-back {
  transform: rotateY(180deg);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: white;
  border: none;
}

.flashcard-word {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  margin-bottom: var(--space-4);
}

.flashcard-hint {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.flashcard-back .flashcard-word {
  color: white;
}
.flashcard-back .flashcard-hint {
  color: rgba(255,255,255,0.7);
}

.flashcard-actions {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.flashcard-btn {
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
}

.flashcard-btn.know {
  background: var(--color-success-light);
  color: var(--color-success);
  border-color: var(--color-success);
}
.flashcard-btn.know:hover {
  background: var(--color-success);
  color: white;
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.flashcard-btn.dont-know {
  background: var(--color-error-light);
  color: var(--color-error);
  border-color: var(--color-error);
}
.flashcard-btn.dont-know:hover {
  background: var(--color-error);
  color: white;
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

/* --- Quiz --- */
.quiz-option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  margin-bottom: var(--space-3);
}
.quiz-option:hover {
  border-color: var(--color-primary);
  background: rgba(13, 27, 62, 0.03);
}
.quiz-option.selected {
  border-color: var(--color-primary);
  background: rgba(13, 27, 62, 0.05);
}
.quiz-option.correct {
  border-color: var(--color-success);
  background: var(--color-success-light);
}
.quiz-option.incorrect {
  border-color: var(--color-error);
  background: var(--color-error-light);
  animation: shake 0.4s ease-in-out;
}

.quiz-option-letter {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-sm);
  flex-shrink: 0;
  transition: all var(--transition);
}
.quiz-option.selected .quiz-option-letter {
  background: var(--color-primary);
  color: white;
}
.quiz-option.correct .quiz-option-letter {
  background: var(--color-success);
  color: white;
}
.quiz-option.incorrect .quiz-option-letter {
  background: var(--color-error);
  color: white;
}

/* --- Calendar --- */
.calendar {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: white;
}

.calendar-header h4 {
  color: white;
  font-size: var(--font-size-lg);
}

.calendar-nav {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  cursor: pointer;
  transition: background var(--transition);
}
.calendar-nav:hover {
  background: rgba(255,255,255,0.2);
}

.calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
  padding: var(--space-3) var(--space-2);
  border-bottom: 1px solid var(--color-border);
}
.calendar-weekday {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.calendar-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  padding: var(--space-2);
  gap: 2px;
}

.calendar-day {
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: all var(--transition);
  position: relative;
}
.calendar-day:hover {
  background: var(--color-surface);
}
.calendar-day.today {
  background: rgba(212, 175, 55, 0.1);
  color: var(--color-secondary-dark);
  font-weight: 700;
}
.calendar-day.selected {
  background: var(--color-primary);
  color: white;
}
.calendar-day.other-month {
  color: var(--color-text-light);
  opacity: 0.5;
}
.calendar-day .task-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-secondary);
  position: absolute;
  bottom: 4px;
}
.calendar-day .task-dot.dot-complete { background: #2ecc71; }
.calendar-day .task-dot.dot-partial { background: #f1c40f; }
.calendar-day .task-dot.dot-pending { background: #e74c3c; }

/* --- Task List --- */
.task-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-2);
  transition: all var(--transition);
  background: var(--color-bg);
}
.task-item:hover {
  box-shadow: var(--shadow-sm);
}
.task-item.completed {
  opacity: 0.6;
}
.task-item.completed .task-title {
  text-decoration: line-through;
}

.task-checkbox {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  flex-shrink: 0;
}
.task-checkbox.checked {
  background: var(--color-success);
  border-color: var(--color-success);
  color: white;
}

.task-title {
  flex: 1;
  font-size: var(--font-size-sm);
}

.task-delete {
  color: var(--color-text-light);
  cursor: pointer;
  padding: var(--space-1);
  border-radius: 4px;
  transition: all var(--transition);
  opacity: 0;
}
.task-item:hover .task-delete {
  opacity: 1;
}
.task-delete:hover {
  color: var(--color-error);
  background: var(--color-error-light);
}

/* --- Welcome Banner --- */
.welcome-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-8);
  color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.welcome-banner::before {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(212, 175, 55, 0.1);
  top: -60px;
  right: -20px;
}
.welcome-banner::after {
  content: '';
  position: absolute;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgba(212, 175, 55, 0.08);
  bottom: -40px;
  right: 100px;
}

.welcome-banner h2 {
  color: white;
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-2);
}

.welcome-banner p {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-base);
}

.welcome-banner .welcome-date {
  text-align: right;
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.7);
  z-index: 1;
}

/* --- Data Table (Admin) --- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}
.data-table th {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-weight: 600;
  color: var(--color-text-muted);
  border-bottom: 2px solid var(--color-border);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.data-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
}
.data-table tr:hover td {
  background: var(--color-surface);
}

/* --- Login Page --- */
/* ---- Split Login Page ---- */
.login-split-page {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
}

/* LEFT: Branding Panel */
.login-brand-panel {
  background: linear-gradient(135deg, #0a1628 0%, #0d1b3e 40%, #162d5a 100%);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 48px;
  position: relative;
  overflow: hidden;
}
.login-brand-panel::before {
  content: '';
  position: absolute;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: rgba(212,175,55,0.06);
  top: -200px; right: -200px;
}
.login-brand-panel::after {
  content: '';
  position: absolute;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: rgba(77,171,247,0.05);
  bottom: -100px; left: -100px;
}
.login-brand-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex: 1;
}
.login-brand-logo {
  margin-bottom: 40px;
}
.login-brand-title {
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 16px;
}
.login-brand-subtitle {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 380px;
}
.login-brand-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.login-brand-feat {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.85);
}
.login-feat-check {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: rgba(39,174,96,0.2);
  color: #27ae60;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}
.login-brand-footer {
  position: relative;
  z-index: 1;
  color: rgba(255,255,255,0.35);
  font-size: 0.75rem;
  padding-top: 24px;
}

/* RIGHT: Form Panel */
.login-form-panel {
  background: #fff;
  display: flex;
  flex-direction: column;
  padding: 32px 48px;
  position: relative;
}
.login-lang-bar {
  position: absolute;
  top: 20px;
  right: 20px;
  display: flex;
  gap: 6px;
  z-index: 10;
}
.login-lang-chip {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 5px 12px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid #e2e8f0;
  background: transparent;
  color: #94a3b8;
  transition: all 0.2s;
}
.login-lang-chip.active {
  border-color: #0d1b3e;
  color: #0d1b3e;
  background: #f8fafc;
}
.login-form-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 420px;
  width: 100%;
  margin: 0 auto;
}
.login-form-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: #0d1b3e;
  margin-bottom: 6px;
}
.login-form-subtitle {
  font-size: 0.875rem;
  color: #94a3b8;
  margin-bottom: 24px;
}
.login-tabs {
  display: flex;
  gap: 0;
  background: #f1f5f9;
  border-radius: 10px;
  padding: 4px;
  margin-bottom: 24px;
}
.login-tab {
  flex: 1;
  padding: 10px 0;
  border: none;
  background: transparent;
  font-size: 0.875rem;
  font-weight: 600;
  color: #94a3b8;
  cursor: pointer;
  border-radius: 8px;
  transition: all 0.2s;
}
.login-tab.active {
  background: #fff;
  color: #0d1b3e;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}
.login-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.login-input-icon {
  position: absolute;
  left: 14px;
  font-size: 16px;
  z-index: 1;
  pointer-events: none;
}
[dir="rtl"] .login-input-icon {
  left: auto;
  right: 14px;
}
.login-input {
  padding-left: 42px !important;
}
[dir="rtl"] .login-input {
  padding-left: var(--space-4) !important;
  padding-right: 42px !important;
}
.login-pw-toggle {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  padding: 4px;
  opacity: 0.5;
  transition: opacity 0.2s;
}
[dir="rtl"] .login-pw-toggle {
  right: auto;
  left: 12px;
}
.login-pw-toggle:hover {
  opacity: 1;
}
.login-submit-btn {
  width: 100%;
  padding: 14px !important;
  font-size: 1rem !important;
  font-weight: 700;
  border-radius: 10px !important;
  margin-top: var(--space-2);
  background: linear-gradient(135deg, #3b82f6, #2563eb) !important;
  border: none;
  transition: transform 0.2s, box-shadow 0.2s;
}
.login-submit-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37,99,235,0.3);
}
.twofa-screen { text-align: center; }
.twofa-icon { font-size: 56px; margin-bottom: 12px; }
.twofa-input { font-family: 'Courier New', monospace !important; }
.login-switch-text {
  margin-top: 20px;
  font-size: 0.8rem;
  color: #94a3b8;
  text-align: center;
}
.login-switch-text a {
  color: #3b82f6;
  font-weight: 600;
  text-decoration: none;
}
.login-switch-text a:hover {
  text-decoration: underline;
}

/* Auth Divider */
.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: var(--space-4) 0;
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
}
.auth-divider::before, .auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

/* Google Sign-In Button */
.auth-google-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  color: var(--color-text);
  font-weight: 600;
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition);
}
.auth-google-btn:hover {
  background: var(--color-bg-alt);
  box-shadow: var(--shadow-sm);
}

/* Auth Status Cards */
.auth-status-card {
  padding: var(--space-4);
  border-radius: var(--radius);
  text-align: center;
  margin-bottom: var(--space-4);
}
.auth-status-card h3 {
  font-size: var(--font-size-sm);
  margin: 0;
}
.auth-status-icon {
  font-size: 28px;
  margin-bottom: var(--space-2);
}
.auth-status-info {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  color: #1e40af;
}
.auth-status-error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}

/* Email Verification Popup */
.email-verify-popup {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  backdrop-filter: blur(4px);
}
.email-verify-popup-content {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  max-width: 440px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-xl);
}
.email-verify-demo-box {
  background: var(--color-bg-alt);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-4);
  margin-top: var(--space-3);
}

/* Verify Code Inputs */
.verify-code-container {
  padding: var(--space-2) 0;
}
.verify-code-inputs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}
.verify-digit {
  width: 52px;
  height: 60px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  text-align: center;
  font-size: 24px;
  font-weight: 700;
  font-family: 'Inter', monospace;
  background: var(--color-bg);
  color: var(--color-text);
  outline: none;
  transition: all 0.2s;
  caret-color: var(--color-primary);
}
.verify-digit:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(13, 27, 62, 0.12);
}
.verify-digit-sep {
  font-size: 20px;
  color: var(--color-text-muted);
  padding: 0 2px;
  user-select: none;
}

/* Shake animation for wrong code */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-4px); }
  20%, 40%, 60%, 80% { transform: translateX(4px); }
}
.shake {
  animation: shake 0.5s ease;
}
.shake .verify-digit {
  border-color: var(--color-error);
}

@media (max-width: 480px) {
  .verify-digit {
    width: 42px;
    height: 50px;
    font-size: 20px;
  }
}


/* Back to Home button */
.login-back-home {
  position: absolute;
  top: 20px;
  left: 20px;
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--color-surface, #f8f9fc);
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: 10px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text, #1a1a2e);
  cursor: pointer;
  transition: all 0.2s;
  z-index: 10;
}
.login-back-home:hover {
  background: var(--color-primary, #0d1b3e);
  color: #fff;
  border-color: transparent;
}
.login-back-home svg {
  flex-shrink: 0;
}

/* Mobile */
@media (max-width: 768px) {
  .login-split-page {
    grid-template-columns: 1fr;
  }
  .login-brand-panel {
    display: none;
  }
  .login-form-panel {
    padding: 24px;
    padding-top: 64px; /* Space for back button */
  }
  .login-back-home {
    top: 14px;
    left: 14px;
    padding: 8px 12px;
    font-size: 12px;
  }
}

.login-divider {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: var(--space-6) 0;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}
.login-divider::before, .login-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

.demo-accounts {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.demo-account-btn {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  font-size: var(--font-size-sm);
  background: var(--color-bg);
}
.demo-account-btn:hover {
  border-color: var(--color-primary);
  background: rgba(13, 27, 62, 0.03);
}

/* --- Empty State --- */
.empty-state {
  text-align: center;
  padding: var(--space-16) var(--space-8);
  color: var(--color-text-muted);
}
.empty-state .empty-icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
  opacity: 0.5;
}
.empty-state h3 {
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .content-grid {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    z-index: 200;
  }
  .sidebar.mobile-open {
    transform: translateX(0);
  }
  .main-content {
    margin-left: 0 !important;
  }
  .page-content {
    padding: var(--space-4);
    padding-bottom: 90px !important;
  }
  .welcome-banner {
    flex-direction: column;
    gap: var(--space-4);
    padding: var(--space-6);
  }
  .welcome-banner .welcome-date {
    text-align: left;
    align-self: flex-start;
  }
  .content-grid {
    grid-template-columns: 1fr;
  }
  .flashcard-container {
    width: 280px;
    height: 380px;
  }

  .sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 199;
    display: none;
  }
  .sidebar-overlay.show {
    display: block;
  }
}

/* ============================================
   RTL Support (Arabic)
   ============================================ */
[dir="rtl"] .sidebar {
  left: auto;
  right: 0;
  border-right: none;
  border-left: 1px solid rgba(255,255,255,0.06);
}

/* page-content and main-content margins handled by margin-inline-start */

[dir="rtl"] .header-left {
  flex-direction: row-reverse;
}

[dir="rtl"] .header-right {
  flex-direction: row-reverse;
}

[dir="rtl"] .nav-label {
  text-align: right;
}

[dir="rtl"] .nav-item {
  flex-direction: row-reverse;
  text-align: right;
}

[dir="rtl"] .nav-item .nav-icon {
  margin-right: 0;
  margin-left: var(--space-3);
}

[dir="rtl"] .nav-item.active::before {
  left: auto;
  right: 0;
  border-radius: var(--radius-full) 0 0 var(--radius-full);
}

[dir="rtl"] .nav-section-label {
  text-align: right;
  flex-direction: row-reverse;
}

[dir="rtl"] .nav-item-parent .nav-chevron {
  margin-left: 0;
  margin-right: auto;
}

[dir="rtl"] .nav-child-item {
  padding-left: var(--space-5);
  padding-right: calc(var(--space-5) + 28px);
  text-align: right;
}

[dir="rtl"] .nav-child-item::before {
  left: auto;
  right: calc(var(--space-5) + 8px);
}

[dir="rtl"] .nav-chevron {
  transform: scaleX(-1);
}

[dir="rtl"] .nav-item-parent.expanded .nav-chevron {
  transform: scaleX(-1) rotate(180deg);
}

[dir="rtl"] .sidebar-header {
  flex-direction: row-reverse;
}

[dir="rtl"] .sidebar-brand {
  flex-direction: row-reverse;
}

[dir="rtl"] .sidebar-student {
  flex-direction: row-reverse;
  text-align: right;
}

[dir="rtl"] .sidebar-toggle {
  margin-left: 0;
  margin-right: auto;
}

[dir="rtl"] .page-title,
[dir="rtl"] .header-breadcrumb {
  text-align: right;
}

[dir="rtl"] .profile-dropdown,
[dir="rtl"] .lang-dropdown,
[dir="rtl"] .notif-panel {
  right: auto;
  left: 0;
}

[dir="rtl"] .admin-editor-nav {
  flex-direction: row-reverse;
}

[dir="rtl"] .course-card-lesson {
  left: auto;
  right: 12px;
}

[dir="rtl"] .course-card-badge {
  right: auto;
  left: 12px;
}

[dir="rtl"] .breadcrumb-text {
  text-align: right;
}

/* --- RTL: Student Dashboard --- */
[dir="rtl"] .welcome-banner {
  text-align: right;
}

[dir="rtl"] .welcome-date {
  text-align: left;
}

[dir="rtl"] .stat-card {
  flex-direction: row-reverse;
  text-align: right;
}

[dir="rtl"] .stat-card .stat-icon {
  margin-right: 0;
  margin-left: var(--space-3);
}

[dir="rtl"] .activity-item {
  flex-direction: row-reverse;
  text-align: right;
}

[dir="rtl"] .activity-info {
  text-align: right;
}

[dir="rtl"] .home-section-card {
  text-align: right;
}

[dir="rtl"] .home-section-card h3 {
  text-align: right;
}

[dir="rtl"] .home-section-card ul {
  padding-left: 0;
  padding-right: var(--space-6);
}

[dir="rtl"] .book-cta-banner {
  text-align: right;
}

/* Fix two-column grid alignment for RTL */
[dir="rtl"] .home-two-col .card h4 {
  text-align: right;
}

/* Ensure full width on RTL */
[dir="rtl"] .page-content .content-wrapper {
  width: 100%;
}

@media (max-width: 768px) {
  [dir="rtl"] .page-content {
    margin-right: 0;
    margin-inline-start: 0;
  }
  [dir="rtl"] .main-content {
    margin-inline-start: 0;
  }
  [dir="rtl"] .sidebar {
    transform: translateX(100%);
    right: 0;
    left: auto;
  }
  [dir="rtl"] .sidebar.open {
    transform: translateX(0);
  }
  [dir="rtl"] .home-two-col {
    grid-template-columns: 1fr !important;
  }
}

/* --- Bottom Navigation (Mobile Only) --- */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 72px;
  background: #0d1b3e; /* New dark blue background */
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 1000;
  padding-bottom: env(safe-area-inset-bottom);
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.bottom-nav::-webkit-scrollbar {
  display: none;
}
@media (min-width: 768px) {
  .bottom-nav {
    display: none;
  }
}
.bnav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  color: #8A9BBF; /* Subdued text for inactive items */
  cursor: pointer;
  position: relative;
  flex: 1;
  height: 100%;
}
.bnav-icon svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.bnav-label {
  font-family: 'DM Sans', sans-serif;
  font-size: 10px;
}
.bnav-item.active {
  color: #fff;
}
.bnav-item.active .bnav-icon svg {
  stroke: #d4af37; /* Gold active icon */
}
.bnav-item.active .bnav-label {
  font-weight: 700;
  color: #d4af37;
}
.bnav-dot {
  position: absolute;
  bottom: 6px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #d4af37;
}