/* Premium Design System - LMS Mr Mohamed Sholqany */
@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;600;700;900&family=Nunito:wght@400;600;700;800;900&family=Outfit:wght@400;600;700;800;900&display=swap');

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --secondary: #0d9488;
  --secondary-dark: #0f766e;
  --dark-bg: #0f172a;
  --dark-card: #1e293b;
  --light-bg: #f8fafc;
  --light-card: #ffffff;
  --text-dark: #0f172a;
  --text-light: #f8fafc;
  --muted: #64748b;
  --border: #e2e8f0;
  --accent-pink: #f43f5e;
  --accent-orange: #f59e0b;
  --accent-green: #10b981;
  --accent-purple: #8b5cf6;
  
  --font-ar: 'Cairo', sans-serif;
  --font-en: 'Outfit', 'Nunito', sans-serif;
  --shadow: 0 4px 20px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 10px 30px rgba(15, 23, 42, 0.08);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius: 12px;
}

/* Theme classes styling */
body {
  margin: 0;
  padding: 0;
  background-color: var(--light-bg);
  color: var(--text-dark);
  font-family: var(--font-ar);
  direction: rtl;
  overflow-x: hidden;
  transition: var(--transition);
}

body.dark-theme {
  --light-bg: #0b0f19;
  --light-card: #151f32;
  --text-dark: #f1f5f9;
  --border: #334155;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

* {
  box-sizing: border-box;
  scrollbar-width: thin;
  scrollbar-color: var(--primary) transparent;
}

*::-webkit-scrollbar {
  width: 6px;
}
*::-webkit-scrollbar-thumb {
  background-color: var(--primary);
  border-radius: 10px;
}

a {
  text-decoration: none;
  color: inherit;
}

/* Glassmorphism Classes */
.glass {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.25);
}

body.dark-theme .glass {
  background: rgba(21, 31, 50, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

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

@keyframes slideIn {
  from { transform: translateX(50px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Utilities */
.animate-fade {
  animation: fadeIn 0.4s ease-out forwards;
}

.animate-slide {
  animation: slideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* App Skeleton Layout */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  font-size: 24px;
  background: linear-gradient(135deg, var(--primary), var(--accent-purple));
  color: #fff;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-text {
  font-weight: 900;
  font-size: 18px;
  color: var(--primary);
  letter-spacing: 0.5px;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 15px;
}

.btn-icon {
  background: var(--light-bg);
  border: 1px solid var(--border);
  color: var(--text-dark);
  font-size: 18px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.btn-icon:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: translateY(-2px);
}

/* Main Container */
.main-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 16px 80px 16px;
}

/* Sections visibility togglers */
.view-section {
  display: none;
}
.view-section.active {
  display: block;
  animation: fadeIn 0.4s ease-out forwards;
}

/* Landing Page & Hero Section */
.hero-section {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 30px;
  background: var(--light-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px;
  margin-bottom: 30px;
  box-shadow: var(--shadow);
  align-items: center;
  position: relative;
  overflow: hidden;
}

@media (max-width: 768px) {
  .hero-section {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 30px 20px;
  }
}

.hero-content h1 {
  font-size: 32px;
  font-weight: 900;
  color: var(--primary);
  margin: 0 0 10px 0;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 18px;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 15px;
}

.hero-description {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 25px;
}

.hero-buttons {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .hero-buttons {
    justify-content: center;
  }
}

.btn {
  padding: 12px 24px;
  border-radius: var(--border-radius);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 0;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.2);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
  color: #fff;
  box-shadow: 0 4px 15px rgba(13, 148, 136, 0.2);
}
.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(13, 148, 136, 0.3);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--border);
  color: var(--text-dark);
}
.btn-outline:hover {
  background: var(--border);
  transform: translateY(-2px);
}

.hero-image-container {
  display: flex;
  justify-content: center;
  position: relative;
}

.hero-image-wrapper {
  position: relative;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  padding: 8px;
  background: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent-pink));
  box-shadow: var(--shadow-lg);
}

.hero-image {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  background-color: var(--light-bg);
  border: 5px solid var(--light-card);
}

/* Dashboard Statistics */
.stats-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.stat-card {
  background: var(--light-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 15px;
  transition: var(--transition);
}

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

.stat-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.stat-card.blue .stat-icon { background: rgba(37, 99, 235, 0.1); color: var(--primary); }
.stat-card.teal .stat-icon { background: rgba(13, 148, 136, 0.1); color: var(--secondary); }
.stat-card.pink .stat-icon { background: rgba(244, 63, 94, 0.1); color: var(--accent-pink); }
.stat-card.purple .stat-icon { background: rgba(139, 92, 246, 0.1); color: var(--accent-purple); }

.stat-details {
  display: flex;
  flex-direction: column;
}

.stat-val {
  font-size: 24px;
  font-weight: 900;
  line-height: 1;
}

.stat-label {
  font-size: 12px;
  color: var(--muted);
  margin-top: 5px;
  font-weight: 700;
}

/* Section Header styling */
.section-title-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.section-title-bar h2 {
  font-size: 20px;
  font-weight: 900;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title-bar h2::after {
  content: "";
  display: inline-block;
  width: 4px;
  height: 20px;
  background: var(--primary);
  border-radius: 4px;
  order: -1;
}

/* Curriculum and Lessons List */
.curriculum-selector {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  overflow-x: auto;
  padding-bottom: 8px;
}

.curr-tab {
  padding: 8px 18px;
  background: var(--light-card);
  border: 1px solid var(--border);
  border-radius: 30px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
}

.curr-tab.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.15);
}

/* Unit Headers */
.unit-block {
  margin-bottom: 20px;
  background: var(--light-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.unit-header {
  padding: 16px 20px;
  background: rgba(37, 99, 235, 0.03);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
  font-weight: 900;
  font-size: 15px;
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}

.unit-block.open .unit-header {
  border-bottom-color: var(--border);
  background: rgba(37, 99, 235, 0.06);
}

.unit-info-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.unit-badge {
  background: var(--primary);
  color: #fff;
  padding: 3px 10px;
  border-radius: 30px;
  font-size: 11px;
}

.unit-collapse-icon {
  transition: var(--transition);
}
.unit-block.open .unit-collapse-icon {
  transform: rotate(180deg);
}

.unit-lessons-grid {
  display: none;
  padding: 20px;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.unit-block.open .unit-lessons-grid {
  display: grid;
  animation: fadeIn 0.3s ease-out;
}

/* Lesson Cards */
.lesson-card {
  background: var(--light-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.lesson-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

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

.lesson-num {
  background: var(--dark-bg);
  color: #fff;
  font-family: var(--font-en);
  font-weight: 950;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 6px;
}

body.dark-theme .lesson-num {
  background: var(--primary);
}

.lesson-status {
  font-size: 12px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 30px;
}

.lesson-status.completed { background: rgba(16, 185, 129, 0.1); color: var(--accent-green); }
.lesson-status.in-progress { background: rgba(245, 158, 11, 0.1); color: var(--accent-orange); }
.lesson-status.locked { background: rgba(100, 116, 139, 0.1); color: var(--muted); }

.lesson-title-en {
  font-family: var(--font-en);
  font-size: 17px;
  font-weight: 900;
  color: var(--primary);
  margin-bottom: 4px;
}

.lesson-title-ar {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.lesson-meta-info {
  margin-top: auto;
  border-top: 1px dashed var(--border);
  padding-top: 10px;
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--muted);
}

/* Authentication Interface */
.auth-container {
  max-width: 420px;
  margin: 60px auto;
  background: var(--light-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 35px;
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.auth-header h2 {
  font-size: 24px;
  font-weight: 900;
  color: var(--primary);
  margin: 0 0 8px 0;
}

.auth-header p {
  color: var(--muted);
  font-size: 13px;
  margin: 0 0 25px 0;
}

.form-group {
  margin-bottom: 18px;
  text-align: right;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-dark);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--border-radius);
  background-color: var(--light-bg);
  color: var(--text-dark);
  font-family: var(--font-ar);
  font-size: 14px;
  outline: 0;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
  background-color: var(--light-card);
}

.auth-footer {
  margin-top: 20px;
  font-size: 13px;
  color: var(--muted);
}

.auth-footer span {
  color: var(--primary);
  font-weight: 700;
  cursor: pointer;
}

/* Study Room & Tab view */
.study-room-header {
  background: var(--light-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 25px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow);
}

.room-info {
  display: flex;
  flex-direction: column;
}

.room-title {
  font-size: 20px;
  font-weight: 900;
  color: var(--primary);
}

.room-subtitle {
  font-size: 13px;
  color: var(--muted);
  margin-top: 4px;
}

.study-tabs-container {
  display: flex;
  background: var(--light-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 6px;
  gap: 6px;
  margin-bottom: 25px;
  overflow-x: auto;
}

.study-tab {
  flex: 1;
  padding: 10px 16px;
  border-radius: 8px;
  text-align: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-dark);
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
  border: 0;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.study-tab.active {
  background: var(--primary);
  color: #fff;
}

.study-tab-content {
  display: none;
  animation: fadeIn 0.4s ease-out forwards;
}
.study-tab-content.active {
  display: block;
}

/* Tab 1: Grammar styles */
.grammar-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

@media (max-width: 768px) {
  .grammar-grid {
    grid-template-columns: 1fr;
  }
}

/* Premium ============================================================
   NEW GRAMMAR ENGINE STYLING - Premium Educational Cards UI
   ============================================================ */
.gx-lesson-header {
  text-align: center;
  margin-bottom: 35px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.04), rgba(139, 92, 246, 0.04));
  padding: 30px;
  border-radius: 24px;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.gx-lesson-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary), var(--accent-purple));
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  padding: 5px 16px;
  border-radius: 30px;
  margin-bottom: 12px;
  text-transform: uppercase;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}
.gx-lesson-title {
  font-size: 26px;
  font-weight: 900;
  color: var(--text-dark);
  margin: 0 0 6px 0;
  font-family: var(--font-en);
}
.gx-lesson-subtitle {
  font-size: 16px;
  font-weight: 750;
  color: var(--muted);
  margin: 0;
}

.gx-cards-wrapper {
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.gx-card {
  background: var(--light-card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 28px;
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}
.gx-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.gx-card-label {
  position: absolute;
  top: 0;
  right: 0;
  background: rgba(37, 99, 235, 0.08);
  color: var(--primary);
  font-size: 11.5px;
  font-weight: 800;
  padding: 6px 18px;
  border-bottom-left-radius: 16px;
  border-left: 1px solid rgba(37, 99, 235, 0.15);
  border-bottom: 1px solid rgba(37, 99, 235, 0.15);
}

/* Card custom layouts */
.gx-card-overview {
  border-left: 5px solid var(--primary);
}
.gx-overview-body {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 30px;
  margin-top: 15px;
}
@media (max-width: 768px) {
  .gx-overview-body {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}
.gx-ar-block {
  border-left: 1px dashed var(--border);
  padding-left: 20px;
}
@media (max-width: 768px) {
  .gx-ar-block {
    border-left: none;
    padding-left: 0;
    border-bottom: 1px dashed var(--border);
    padding-bottom: 20px;
  }
}
.gx-ar-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 10px;
}
.gx-ar-text {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-dark);
  font-weight: 700;
  text-align: justify;
}
.gx-en-block {
  display: flex;
  flex-direction: column;
}
.gx-en-label {
  font-size: 13.5px;
  font-weight: 800;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.gx-en-text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-dark);
  font-weight: 700;
  font-family: var(--font-en);
}
.gx-signals {
  margin-top: 15px;
  border-top: 1px solid var(--border);
  padding-top: 15px;
}
.gx-signals-label {
  font-size: 12px;
  font-weight: 800;
  color: var(--accent-orange);
  margin-bottom: 10px;
}
.gx-signals-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.gx-chip {
  background: rgba(245, 158, 11, 0.06);
  border: 1.5px solid var(--accent-orange);
  color: var(--accent-orange);
  padding: 4px 12px;
  border-radius: 8px;
  font-size: 11.5px;
  font-weight: 800;
  font-family: var(--font-en);
}

/* Card 2 Structure styling */
.gx-card-structure {
  border-left: 5px solid var(--accent-purple);
}
.gx-card-structure .gx-card-label {
  background: rgba(139, 92, 246, 0.08);
  color: var(--accent-purple);
  border-left-color: rgba(139, 92, 246, 0.15);
  border-bottom-color: rgba(139, 92, 246, 0.15);
}
.gx-formula-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 15px;
}
@media (max-width: 991px) {
  .gx-formula-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }
}
.gx-formula-row {
  background: rgba(15, 23, 42, 0.015);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  position: relative;
}
.gx-formula-badge {
  font-size: 10px;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 6px;
  display: inline-block;
  margin-bottom: 12px;
}
.gx-badge-pos {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-green);
}
.gx-badge-neg {
  background: rgba(244, 63, 94, 0.1);
  color: var(--accent-pink);
}
.gx-badge-q {
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary);
}
.gx-formula-box {
  font-family: var(--font-en);
  font-weight: 900;
  font-size: 14.5px;
  color: var(--text-dark);
  direction: ltr;
  text-align: left;
  margin-bottom: 12px;
}
.gx-formula-example {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  font-style: italic;
  direction: ltr;
  text-align: left;
  background: rgba(0, 0, 0, 0.02);
  padding: 6px 10px;
  border-radius: 6px;
}

/* Card 3: Conjugation table styling */
.gx-card-conjugation {
  border-left: 5px solid var(--accent-green);
}
.gx-card-conjugation .gx-card-label {
  background: rgba(16, 185, 129, 0.08);
  color: var(--accent-green);
  border-left-color: rgba(16, 185, 129, 0.15);
  border-bottom-color: rgba(16, 185, 129, 0.15);
}
.gx-table-wrapper {
  overflow-x: auto;
  margin-top: 15px;
  border-radius: 12px;
  border: 1px solid var(--border);
}
.gx-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13.5px;
}
.gx-table th {
  background: var(--light-bg);
  padding: 12px 18px;
  font-weight: 800;
  color: var(--text-dark);
  border-bottom: 1px solid var(--border);
}
.gx-table td {
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
}
.gx-table tr:last-child td {
  border-bottom: none;
}
.gx-tr-even {
  background: rgba(15, 23, 42, 0.01);
}
.gx-tr-odd {
  background: transparent;
}
.gx-td-pronoun {
  font-weight: 800;
  color: var(--text-dark);
}
.gx-td-structure {
  font-weight: 900;
  color: var(--primary);
  font-family: var(--font-en);
}
.gx-td-example {
  font-weight: 700;
  color: var(--muted);
  font-style: italic;
}

/* Card 4: Examples */
.gx-card-examples {
  border-left: 5px solid var(--secondary);
}
.gx-card-examples .gx-card-label {
  background: rgba(13, 148, 136, 0.08);
  color: var(--secondary);
  border-left-color: rgba(13, 148, 136, 0.15);
  border-bottom-color: rgba(13, 148, 136, 0.15);
}
.gx-examples-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 15px;
}
.gx-example-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(13, 148, 136, 0.02);
  border-right: 4px solid var(--secondary);
  padding: 12px 18px;
  border-radius: 12px;
}
.gx-ex-num {
  width: 24px;
  height: 24px;
  background: var(--secondary);
  color: #fff;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 800;
  font-family: var(--font-en);
}
.gx-ex-text {
  font-family: var(--font-en);
  font-weight: 750;
  font-size: 13.5px;
  color: var(--text-dark);
  direction: ltr;
  text-align: left;
}

/* Card 5: Common Mistakes */
.gx-card-mistakes {
  border-left: 5px solid var(--accent-pink);
}
.gx-card-mistakes .gx-card-label {
  background: rgba(244, 63, 94, 0.08);
  color: var(--accent-pink);
  border-left-color: rgba(244, 63, 94, 0.15);
  border-bottom-color: rgba(244, 63, 94, 0.15);
}
.gx-mistakes-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 15px;
}
.gx-mistake-item {
  background: rgba(244, 63, 94, 0.015);
  border: 1px solid rgba(244, 63, 94, 0.1);
  border-radius: 14px;
  padding: 14px 20px;
}
.gx-mistake-wrong {
  font-family: var(--font-en);
  font-weight: 700;
  color: var(--accent-pink);
  text-align: left;
  direction: ltr;
  text-decoration: line-through;
  margin-bottom: 6px;
}
.gx-mistake-right {
  font-family: var(--font-en);
  font-weight: 800;
  color: var(--accent-green);
  text-align: left;
  direction: ltr;
}

/* Interactive Practice Section */
.gx-practice-section {
  background: var(--light-card);
  border: 1.5px dashed var(--primary);
  border-radius: 24px;
  padding: 28px;
  margin-top: 35px;
  box-shadow: var(--shadow-sm);
}
.gx-practice-header {
  font-size: 16px;
  font-weight: 900;
  color: var(--text-dark);
  border-bottom: 1.5px solid var(--border);
  padding-bottom: 12px;
  margin-bottom: 18px;
}
.gx-practice-intro {
  font-size: 14px;
  font-weight: 800;
  color: var(--muted);
  margin-bottom: 20px;
}
.gx-practice-row {
  background: rgba(15, 23, 42, 0.01);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px 20px;
  margin-bottom: 15px;
  transition: all 0.25s ease;
}
.gx-practice-q {
  font-family: var(--font-en);
  font-weight: 800;
  font-size: 14.5px;
  color: var(--text-dark);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.gx-practice-num {
  background: var(--primary);
  color: #fff;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 800;
  font-family: var(--font-en);
}
.gx-practice-input-row {
  display: flex;
  align-items: center;
  gap: 15px;
}
.gx-practice-input {
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 8px 15px;
  font-size: 13.5px;
  font-weight: 750;
  font-family: var(--font-en);
  outline: none;
  transition: all 0.2s ease;
  width: 220px;
}
.gx-practice-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}
.gx-practice-feedback {
  font-size: 13px;
  font-weight: 800;
}
.gx-fb-correct {
  color: var(--accent-green);
}
.gx-fb-wrong {
  color: var(--accent-pink);
}

/* Practice success and wrong row colors */
.gx-pr-correct {
  border-color: var(--accent-green);
  background: rgba(16, 185, 129, 0.015);
}
.gx-pr-wrong {
  border-color: var(--accent-pink);
  background: rgba(244, 63, 94, 0.015);
}

.gx-check-btn {
  background: var(--primary);
  color: #fff;
  border: none;
  font-weight: 800;
  font-size: 13px;
  padding: 12px 24px;
  border-radius: 12px;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.2);
  transition: all 0.2s ease;
}
.gx-check-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.25);
}
.gx-no-practice {
  text-align: center;
  font-size: 13.5px;
  color: var(--muted);
  font-weight: 750;
  padding: 15px;
}

/* Vocab List styling */
.vocab-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.vocab-card {
  background: var(--light-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
}

.vocab-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

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

.vocab-word {
  font-family: var(--font-en);
  font-size: 20px;
  font-weight: 900;
  color: var(--primary);
}

.vocab-pos {
  font-size: 10px;
  font-weight: 800;
  color: var(--accent-purple);
  background: rgba(139, 92, 246, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--font-en);
}

.vocab-meaning {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.vocab-example {
  font-size: 12px;
  color: var(--muted);
  font-style: italic;
  direction: ltr;
  text-align: left;
  margin-top: auto;
  border-top: 1px dashed var(--border);
  padding-top: 10px;
}

.btn-speak {
  background: var(--primary);
  color: #fff;
  border: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.btn-speak:hover {
  transform: scale(1.1);
  background-color: var(--primary-dark);
}

/* Reading Tab styles */
.reading-container {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 25px;
}

@media (max-width: 768px) {
  .reading-container {
    grid-template-columns: 1fr;
  }
}

.reading-main-card {
  background: var(--light-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 30px;
  box-shadow: var(--shadow);
}

.reading-text-body {
  font-family: var(--font-en);
  font-size: 18px;
  line-height: 1.8;
  color: var(--text-dark);
  direction: ltr;
  text-align: left;
  margin-top: 20px;
}

.reading-keyword {
  color: var(--primary);
  font-weight: 900;
  border-bottom: 1.5px dashed var(--primary);
  cursor: help;
  position: relative;
  display: inline-block;
}

.reading-keyword::after {
  content: attr(data-translation);
  position: absolute;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: var(--dark-bg);
  color: #fff;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-family: var(--font-ar);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  box-shadow: 0 4px 10px rgba(0,0,0,0.15);
  pointer-events: none;
  z-index: 50;
}

.reading-keyword:hover::after {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* Spelling Dictation styles */
.spelling-box {
  max-width: 500px;
  margin: 30px auto;
  background: var(--light-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 35px;
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.audio-trigger-wrapper {
  margin-bottom: 25px;
}

.btn-dictation-sound {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent-purple));
  color: #fff;
  border: 0;
  font-size: 32px;
  cursor: pointer;
  box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-dictation-sound:hover {
  transform: scale(1.08);
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.4);
}

.spelling-feedback {
  margin-top: 15px;
  font-size: 15px;
  font-weight: 700;
  min-height: 24px;
}

.spelling-feedback.success { color: var(--accent-green); }
.spelling-feedback.error { color: var(--accent-pink); }

.spelling-progress-bar {
  height: 6px;
  background: var(--border);
  border-radius: 10px;
  overflow: hidden;
  margin-top: 25px;
}

.spelling-progress-fill {
  height: 100%;
  background: var(--primary);
  width: 0%;
  transition: var(--transition);
}

/* Exam Section styling */
.exam-container {
  max-width: 800px;
  margin: 0 auto;
}

.exam-question-card {
  background: var(--light-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}

.exam-q-text {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 15px;
  direction: ltr;
  text-align: left;
}

.exam-q-text.ar-dir {
  direction: rtl;
  text-align: right;
}

.exam-options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 576px) {
  .exam-options-grid {
    grid-template-columns: 1fr;
  }
}

.exam-opt-label {
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 12px 18px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: var(--transition);
  direction: ltr;
  text-align: left;
}

.exam-opt-input {
  display: none;
}

.exam-opt-label:hover {
  background: rgba(37, 99, 235, 0.02);
  border-color: var(--primary);
}

.exam-opt-input:checked + .exam-opt-label {
  border-color: var(--primary);
  background: rgba(37, 99, 235, 0.08);
  color: var(--primary);
}

.exam-grading-card {
  background: var(--light-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  animation: fadeIn 0.4s ease-out;
}

.score-badge {
  font-size: 48px;
  font-weight: 900;
  color: var(--primary);
  margin: 15px 0;
}

/* Leaderboard Page */
.leaderboard-table-container {
  background: var(--light-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-top: 20px;
}

.lead-table {
  width: 100%;
  border-collapse: collapse;
  text-align: right;
}

.lead-table th {
  background: rgba(37, 99, 235, 0.03);
  padding: 16px;
  font-size: 13px;
  font-weight: 900;
  color: var(--primary);
  border-bottom: 1px solid var(--border);
}

.lead-table td {
  padding: 16px;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.lead-table tr:hover {
  background: rgba(37, 99, 235, 0.01);
}

.rank-badge {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 12px;
  margin: 0 auto;
}

.rank-badge.rank-1 { background: #fef08a; color: #854d0e; border: 1.5px solid #eab308; }
.rank-badge.rank-2 { background: #e2e8f0; color: #334155; border: 1.5px solid #94a3b8; }
.rank-badge.rank-3 { background: #ffedd5; color: #9a3412; border: 1.5px solid #ea580c; }
.rank-badge.rank-other { background: var(--light-bg); color: var(--text-dark); border: 1px solid var(--border); }

/* Certificates Grid styling */
.certificates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.certificate-card {
  background: var(--light-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition);
}

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

.cert-icon {
  font-size: 40px;
  color: var(--accent-orange);
  margin-bottom: 15px;
}

/* Admin Workspace Layout */
.admin-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 30px;
  margin-top: 20px;
}

@media (max-width: 768px) {
  .admin-layout {
    grid-template-columns: 1fr;
  }
}

.admin-sidebar {
  background: var(--light-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 6px;
  height: fit-content;
}

.admin-side-btn {
  padding: 12px 18px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-dark);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 10px;
  border: 0;
  background: transparent;
  text-align: right;
}

.admin-side-btn.active {
  background: var(--primary);
  color: #fff;
}

.admin-content-panel {
  background: var(--light-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 30px;
  box-shadow: var(--shadow);
}

/* Certificate Position Tool styling */
.canvas-designer-container {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 20px;
  margin-top: 20px;
}

@media (max-width: 992px) {
  .canvas-designer-container {
    grid-template-columns: 1fr;
  }
}

.canvas-preview-wrapper {
  background: var(--light-bg);
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 10px;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: auto;
}

.canvas-designer {
  max-width: 100%;
  height: auto;
  box-shadow: var(--shadow-lg);
  background: #fff;
}

/* Modal styling */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.6);
  z-index: 500;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.modal-overlay.active {
  display: flex;
  animation: fadeIn 0.3s ease-out;
}

.modal-content {
  background: var(--light-card);
  border-radius: 20px;
  max-width: 500px;
  width: 100%;
  padding: 30px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  position: relative;
}

.modal-close {
  position: absolute;
  top: 20px;
  left: 20px;
  font-size: 20px;
  cursor: pointer;
  color: var(--muted);
  transition: var(--transition);
}

.modal-close:hover {
  color: var(--accent-pink);
}

/* Word builder inline card grid */
.words-input-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr 0.8fr 2fr auto;
  gap: 8px;
  margin-bottom: 8px;
  align-items: center;
}

@media (max-width: 768px) {
  .words-input-row {
    grid-template-columns: 1fr 1fr;
  }
  .words-input-row button {
    grid-column: span 2;
  }
}

/* Guide blocks */
.guide-box {
  background: rgba(37, 99, 235, 0.02);
  border-right: 4px solid var(--primary);
  padding: 15px;
  border-radius: 4px;
  margin-bottom: 20px;
  font-size: 13px;
  line-height: 1.6;
}

.guide-box strong {
  color: var(--primary);
}

/* ==========================================
   8. PREMIUM LANDING PAGE & PORTAL STYLING
   ========================================== */

/* Header Nav Styles */
.header-nav {
  display: flex;
  gap: 20px;
}

.nav-link {
  font-weight: 700;
  font-size: 14px;
  color: var(--text-dark);
  position: relative;
  transition: var(--transition);
  padding: 6px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--primary);
}

.nav-link:hover::after {
  width: 100%;
}

@media (max-width: 768px) {
  .header-nav {
    display: none; /* Hide visitor nav on small screens to keep it clean */
  }
}

/* Landing Page Hero Layout */
.landing-hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 60px;
  padding: 20px 0;
}

@media (max-width: 992px) {
  .landing-hero-grid {
    grid-template-columns: 1fr;
    gap: 30px;
    text-align: center;
  }
}

.hero-text-block {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
}

@media (max-width: 992px) {
  .hero-text-block {
    align-items: center;
  }
}

.badge-premium {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(139, 92, 246, 0.1));
  border: 1px solid rgba(37, 99, 235, 0.2);
  color: var(--primary);
  font-size: 12px;
  font-weight: 900;
  padding: 6px 14px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: inline-block;
  box-shadow: 0 0 15px rgba(37, 99, 235, 0.05);
}

.hero-text-block h1 {
  font-size: 40px;
  font-weight: 900;
  line-height: 1.3;
  margin: 0;
  background: linear-gradient(135deg, var(--text-dark), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

body.dark-theme .hero-text-block h1 {
  background: linear-gradient(135deg, var(--text-dark), #60a5fa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

@media (max-width: 768px) {
  .hero-text-block h1 {
    font-size: 30px;
  }
}

.hero-subtitle {
  font-size: 22px;
  font-weight: 700;
  color: var(--secondary);
  margin: 0;
}

.hero-description {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.7;
  margin: 5px 0 15px 0;
}

.hero-features-mini {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-bottom: 20px;
}

@media (max-width: 992px) {
  .hero-features-mini {
    justify-content: center;
  }
}

.mini-feat {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-dark);
}

.mini-feat span {
  color: var(--accent-green);
  font-weight: 900;
}

.hero-actions {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.hero-image-and-auth {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
  width: 100%;
}

/* Glowing Avatar Wrapper */
.glowing-avatar-wrapper {
  position: relative;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.glowing-avatar-border {
  position: absolute;
  top: -5px;
  left: -5px;
  right: -5px;
  bottom: -5px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent-purple));
  z-index: 1;
  opacity: 0.8;
  filter: blur(8px);
  animation: pulse 3s infinite ease-in-out;
}

.glowing-avatar {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--light-card);
  z-index: 2;
  position: relative;
}

/* Landing Auth Card */
.landing-auth-card {
  width: 100%;
  max-width: 400px;
  border-radius: 20px;
  padding: 25px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.landing-auth-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
  border-color: rgba(37, 99, 235, 0.2);
}

body.dark-theme .landing-auth-card:hover {
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.35);
  border-color: rgba(37, 99, 235, 0.3);
}

.auth-tabs {
  display: flex;
  border-bottom: 2px solid var(--border);
  margin-bottom: 20px;
  gap: 10px;
}

.auth-tab-btn {
  flex: 1;
  background: transparent;
  border: 0;
  padding: 10px 0;
  font-size: 14px;
  font-weight: 800;
  color: var(--muted);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.auth-tab-btn::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: transparent;
  transition: var(--transition);
}

.auth-tab-btn.active {
  color: var(--primary);
}

.auth-tab-btn.active::after {
  background: var(--primary);
}

/* Landing Section General */
.landing-section {
  margin-bottom: 60px;
  padding-top: 20px;
}

.landing-section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 40px auto;
}

.landing-section-header h2 {
  font-size: 28px;
  font-weight: 900;
  color: var(--text-dark);
  margin: 0 0 10px 0;
}

.landing-section-header p {
  font-size: 14px;
  color: var(--muted);
  margin: 0;
}

/* About Grid */
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
}

.about-card {
  padding: 30px;
  border-radius: 20px;
  border: 1px solid var(--border);
  text-align: center;
  transition: var(--transition);
}

.about-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
}

.about-icon {
  font-size: 40px;
  margin-bottom: 15px;
}

.about-card h3 {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-dark);
  margin: 0 0 10px 0;
}

.about-card p {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.6;
  margin: 0;
}

/* Features detailed */
.features-detailed-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.feat-detail-card {
  padding: 25px;
  border-radius: 20px;
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.feat-detail-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
}

.feat-badge {
  font-size: 10px;
  font-weight: 900;
  padding: 4px 10px;
  border-radius: 4px;
  align-self: flex-start;
}

.feat-badge.purple { background: rgba(139, 92, 246, 0.1); color: var(--accent-purple); }
.feat-badge.green { background: rgba(16, 185, 129, 0.1); color: var(--accent-green); }
.feat-badge.pink { background: rgba(244, 63, 94, 0.1); color: var(--accent-pink); }
.feat-badge.orange { background: rgba(245, 158, 11, 0.1); color: var(--accent-orange); }

.feat-detail-card h3 {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-dark);
  margin: 0;
}

.feat-detail-card p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
  margin: 0;
}

/* Landing Footer */
.landing-footer {
  border-radius: 20px;
  padding: 40px;
  border: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 30px;
  margin-top: 80px;
  align-items: center;
}

@media (max-width: 768px) {
  .landing-footer {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 30px 20px;
  }
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 15px;
}

@media (max-width: 768px) {
  .footer-logo {
    flex-direction: column;
  }
}

.footer-logo h3 {
  font-size: 20px;
  font-weight: 900;
  color: var(--text-dark);
  margin: 0 0 5px 0;
}

.footer-logo p {
  font-size: 12px;
  color: var(--secondary);
  margin: 0;
  font-weight: 700;
}

.footer-info {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-dark);
  transition: var(--transition);
}

.footer-link:hover {
  color: var(--primary);
}

.footer-copyright {
  grid-column: span 2;
  border-top: 1px solid var(--border);
  padding-top: 20px;
  text-align: center;
  font-size: 11px;
  color: var(--muted);
}

@media (max-width: 768px) {
  .footer-copyright {
    grid-column: span 1;
  }
}

/* Portal Welcome Bar */
.portal-welcome-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--light-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 30px 40px;
  margin-bottom: 30px;
  box-shadow: var(--shadow);
}

@media (max-width: 768px) {
  .portal-welcome-bar {
    flex-direction: column;
    text-align: center;
    gap: 20px;
    padding: 25px 20px;
  }
}

.welcome-text h1 {
  font-size: 26px;
  font-weight: 900;
  margin: 0 0 8px 0;
}

.welcome-text p {
  font-size: 14px;
  color: var(--muted);
  margin: 0;
}

.portal-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .portal-actions {
    justify-content: center;
  }
}

/* Certificates grid */
.certificates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.cert-card {
  background: var(--light-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.cert-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-orange);
}

.cert-badge-icon {
  font-size: 40px;
  margin-bottom: 12px;
  animation: pulse 2s infinite ease-in-out;
}

.cert-card-title {
  font-size: 14px;
  font-weight: 900;
  color: var(--text-dark);
  margin: 0 0 5px 0;
}

.cert-card-date {
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 15px;
}

.btn-cert-download {
  width: 100%;
  justify-content: center;
  font-size: 12px;
  padding: 8px 16px;
}

/* ==========================================
   EXAM UPGRADES: TIMER & RULES SCREEN
   ========================================== */
.exam-intro-card {
  background: var(--light-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 35px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  max-width: 600px;
  margin: 30px auto;
  transition: var(--transition);
}

body.dark-theme .exam-intro-card {
  background: rgba(21, 31, 50, 0.6);
  backdrop-filter: blur(10px);
}

.exam-rules-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin-top: 25px;
  text-align: right;
  background: rgba(37, 99, 235, 0.03);
  padding: 20px;
  border-radius: 12px;
  border: 1px solid rgba(37, 99, 235, 0.1);
}

body.dark-theme .exam-rules-list {
  background: rgba(37, 99, 235, 0.05);
}

.rule-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  color: var(--text-dark);
}

.rule-icon {
  font-size: 18px;
  flex-shrink: 0;
  margin-top: -2px;
}

.rule-item.warning {
  border-top: 1px dashed rgba(244, 63, 94, 0.2);
  padding-top: 12px;
  color: var(--accent-pink);
  font-weight: 700;
}

/* Ticking Timer UI */
.exam-timer-wrapper {
  position: sticky;
  top: 70px;
  z-index: 90;
  background: var(--light-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 20px;
  margin-bottom: 25px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  transition: var(--transition);
}

body.dark-theme .exam-timer-wrapper {
  background: rgba(21, 31, 50, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.exam-timer-text-container {
  display: flex;
  align-items: center;
  gap: 10px;
}

.exam-timer-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
}

.exam-timer-countdown {
  font-family: var(--font-en);
  font-size: 20px;
  font-weight: 900;
  color: var(--primary);
  letter-spacing: 1px;
  min-width: 60px;
  text-align: center;
  background: rgba(37, 99, 235, 0.08);
  padding: 2px 8px;
  border-radius: 6px;
  transition: var(--transition);
}

.exam-timer-countdown.warning {
  color: var(--accent-pink);
  background: rgba(244, 63, 94, 0.1);
  animation: pulse 1s infinite ease-in-out;
}

.exam-timer-progress-bg {
  flex-grow: 1;
  height: 8px;
  background: var(--border);
  border-radius: 10px;
  overflow: hidden;
  position: relative;
}

.exam-timer-progress-fill {
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--accent-green), #059669);
  border-radius: 10px;
  transition: width 1s linear, background-color 0.5s ease;
}

.exam-timer-progress-fill.warning-orange {
  background: linear-gradient(90deg, var(--accent-orange), #d97706);
}

.exam-timer-progress-fill.warning-red {
  background: linear-gradient(90deg, var(--accent-pink), #e11d48);
}

/* Lock message on exam solved */
.exam-locked-card {
  text-align: center;
  padding: 40px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--light-card);
  box-shadow: var(--shadow-lg);
  max-width: 600px;
  margin: 30px auto;
}

.exam-locked-badge {
  font-size: 50px;
  margin-bottom: 15px;
}

/* Reset Exam override action buttons */
.btn-reset-exam {
  background: transparent;
  color: var(--accent-pink);
  border: 1px solid rgba(244, 63, 94, 0.3);
  padding: 4px 8px;
  font-size: 11px;
  font-weight: 700;
  border-radius: 6px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
}

.btn-reset-exam:hover {
  background: var(--accent-pink);
  color: #fff;
  border-color: var(--accent-pink);
}

/* SVG Sun/Moon animations and style */
.theme-svg-toggle {
  width: 20px;
  height: 20px;
  fill: currentColor;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

#btn-theme-toggle:hover .theme-svg-toggle {
  transform: rotate(45deg);
}

/* ==========================================
   PREMIUM UPGRADES: ACCORDIONS, TOOLTIPS, CRM
   ========================================== */

/* Reading Passage Keyword Tooltips */
.vocab-keyword {
  background-color: rgba(37, 99, 235, 0.06);
  border-bottom: 2px dashed var(--primary);
  color: var(--primary);
  cursor: pointer;
  position: relative;
  display: inline-block;
  font-weight: 700;
  padding: 0 4px;
  border-radius: 4px;
  transition: var(--transition);
}

.vocab-keyword:hover {
  background-color: var(--primary);
  color: #fff;
}

.keyword-tooltip {
  visibility: hidden;
  width: 240px;
  background-color: var(--dark-bg);
  color: var(--text-light);
  text-align: right;
  border-radius: 12px;
  padding: 14px;
  position: absolute;
  z-index: 150;
  bottom: 130%;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  transition: opacity 0.3s, transform 0.3s;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
  font-size: 12px;
  line-height: 1.6;
  pointer-events: none;
  border: 1px solid rgba(255,255,255,0.08);
}

body:not(.dark-theme) .keyword-tooltip {
  background-color: #ffffff;
  color: var(--text-dark);
  border: 1px solid var(--border);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.12);
}

.vocab-keyword:hover .keyword-tooltip {
  visibility: visible;
  opacity: 1;
  transform: translateX(-50%) translateY(-5px);
}

/* Dashboard Unit Accordions */
.unit-accordion-card {
  background: var(--light-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  margin-bottom: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.unit-accordion-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.unit-accordion-header {
  padding: 18px 24px;
  background: rgba(37, 99, 235, 0.015);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
  transition: var(--transition);
}

body.dark-theme .unit-accordion-header {
  background: rgba(255, 255, 255, 0.005);
}

.unit-accordion-header:hover {
  background: rgba(37, 99, 235, 0.04);
}

.unit-title-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.unit-num-badge {
  font-size: 10px;
  font-weight: 900;
  color: var(--accent-purple);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.unit-name-text {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-dark);
}

.unit-meta-group {
  display: flex;
  align-items: center;
  gap: 15px;
}

.unit-progress-container {
  display: flex;
  align-items: center;
  gap: 10px;
}

.unit-progress-track {
  width: 90px;
  height: 6px;
  background: var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.unit-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent-purple));
  border-radius: 10px;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.unit-progress-text {
  font-size: 11px;
  font-weight: 900;
  font-family: var(--font-en);
  color: var(--muted);
}

.unit-accordion-arrow {
  font-size: 14px;
  color: var(--muted);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.unit-accordion-card.open .unit-accordion-arrow {
  transform: rotate(180deg);
}

.unit-lessons-list {
  display: none;
  padding: 12px 24px 24px;
  border-top: 1px solid var(--border);
  flex-direction: column;
  gap: 12px;
  background: var(--light-card);
}

.unit-accordion-card.open .unit-lessons-list {
  display: flex;
}

/* Interactive Quick Check Checks */
.quick-check-card {
  background: var(--light-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  margin-top: 20px;
  box-shadow: var(--shadow);
}

.quick-check-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 18px;
  padding-bottom: 15px;
  border-bottom: 1px dashed var(--border);
}

.quick-check-row:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.quick-check-question {
  font-size: 14.5px;
  font-weight: 750;
  direction: ltr;
  text-align: left;
}

.quick-check-input-wrapper {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.quick-check-input {
  max-width: 280px;
  text-align: left;
  direction: ltr;
  font-family: var(--font-en);
  font-weight: 800;
  font-size: 14px;
  padding: 8px 14px;
}

.quick-check-feedback {
  font-size: 12px;
  font-weight: 800;
}

.quick-check-feedback.correct {
  color: var(--accent-green);
}

.quick-check-feedback.incorrect {
  color: var(--accent-pink);
}

.input-correct {
  border-color: var(--accent-green) !important;
  background-color: rgba(16, 185, 129, 0.03) !important;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1) !important;
}

.input-incorrect {
  border-color: var(--accent-pink) !important;
  background-color: rgba(244, 63, 94, 0.03) !important;
  box-shadow: 0 0 0 3px rgba(244, 63, 94, 0.1) !important;
  animation: shake 0.4s ease-out;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}

/* CRM Admin Stats Box Row */
.admin-stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 25px;
}

.admin-kpi-card {
  background: var(--light-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.admin-kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.admin-kpi-icon {
  font-size: 26px;
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.admin-kpi-icon.blue { background: rgba(37, 99, 235, 0.06); color: var(--primary); }
.admin-kpi-icon.orange { background: rgba(245, 158, 11, 0.06); color: var(--accent-orange); }
.admin-kpi-icon.green { background: rgba(16, 185, 129, 0.06); color: var(--accent-green); }
.admin-kpi-icon.purple { background: rgba(139, 92, 246, 0.06); color: var(--accent-purple); }

.admin-kpi-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.admin-kpi-val {
  font-size: 22px;
  font-weight: 900;
  color: var(--text-dark);
  font-family: var(--font-en);
  line-height: 1.1;
}

.admin-kpi-label {
  font-size: 11px;
  color: var(--muted);
  font-weight: 700;
}

/* CRM Student Search Bar */
.search-box-container {
  position: relative;
  max-width: 320px;
  width: 100%;
  margin-bottom: 20px;
}

.search-input {
  width: 100%;
  padding: 10px 14px 10px 38px !important;
  font-size: 13px;
  border-radius: 10px;
}

.search-icon {
  position: absolute;
  top: 50%;
  left: 12px;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 14px;
  pointer-events: none;
}

/* Phonics tag elements in cards */
.lesson-card-phonics {
  font-size: 10.5px;
  font-weight: 750;
  color: var(--accent-purple);
  font-family: var(--font-en);
  background: rgba(139, 92, 246, 0.06);
  padding: 2px 6px;
  border-radius: 4px;
}

/* ==========================================================================
   EL-SHOLQANY NEW FEATURES STYLING
   ========================================================================== */

/* 1. Parallel Text Layout */
.reading-parallel-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 15px;
}
@media (max-width: 768px) {
  .reading-parallel-grid {
    grid-template-columns: 1fr;
  }
}
.reading-pane-en {
  direction: ltr;
  text-align: left;
  background: rgba(37, 99, 235, 0.02);
  border-left: 4px solid var(--primary);
  padding: 18px;
  border-radius: var(--border-radius);
  font-family: var(--font-en);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-dark);
  box-shadow: var(--shadow);
}
.reading-pane-ar {
  direction: rtl;
  text-align: right;
  background: rgba(13, 148, 136, 0.02);
  border-right: 4px solid var(--secondary);
  padding: 18px;
  border-radius: var(--border-radius);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-dark);
  box-shadow: var(--shadow);
}

/* 2. Voice Speech Practice */
.btn-speech-practice {
  background: rgba(139, 92, 246, 0.1);
  color: var(--accent-purple);
  border: 1px solid rgba(139, 92, 246, 0.2);
  border-radius: 50%;
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 15px;
  transition: var(--transition);
  vertical-align: middle;
  margin-right: 8px;
  box-shadow: var(--shadow-sm);
}
.btn-speech-practice:hover {
  background: var(--accent-purple);
  color: #fff;
  transform: scale(1.1);
}
.btn-speech-practice.listening {
  background: var(--accent-pink);
  color: #fff;
  border-color: var(--accent-pink);
  box-shadow: 0 0 12px var(--accent-pink);
  animation: pulse 1.2s infinite ease-in-out;
}
.speech-feedback-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 800;
  margin-right: 10px;
  box-shadow: var(--shadow-sm);
}
.speech-feedback-badge.success {
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.2);
}
.speech-feedback-badge.fail {
  background: rgba(244, 63, 94, 0.12);
  color: var(--accent-pink);
  border: 1px solid rgba(244, 63, 94, 0.2);
}

/* 3. Floating Chatbot "Ask the Teacher" */
.chatbot-widget {
  position: fixed;
  bottom: 25px;
  right: 25px;
  z-index: 1000;
  font-family: var(--font-ar);
}
.chatbot-toggle-btn {
  background: linear-gradient(135deg, var(--primary), var(--accent-purple));
  color: #fff;
  border: 0;
  padding: 14px 28px;
  border-radius: 50px;
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 14px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1.5px solid rgba(255, 255, 255, 0.15);
}
.chatbot-toggle-btn:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.5);
}
.chatbot-window {
  position: absolute;
  bottom: 75px;
  right: 0;
  width: 390px;
  height: 520px;
  border-radius: 20px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.85);
  opacity: 0;
  pointer-events: none;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  transform-origin: bottom right;
  border: 1px solid var(--border);
  background: var(--light-card);
}
.chatbot-window.open,
.chatbot-widget.active .chatbot-window {
  transform: scale(1);
  opacity: 1;
  pointer-events: auto;
}
.chatbot-header {
  background: linear-gradient(135deg, var(--primary), var(--accent-purple));
  color: #fff;
  padding: 18px 22px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}
.chatbot-avatar {
  font-size: 26px;
  animation: pulse 2.5s infinite;
}
.chatbot-info h4 {
  margin: 0;
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.2px;
}
.chatbot-info span {
  font-size: 11px;
  opacity: 0.9;
  font-weight: 700;
}
.chatbot-close-btn {
  background: rgba(255, 255, 255, 0.15);
  border: 0;
  color: #fff;
  font-size: 14px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  cursor: pointer;
  margin-right: auto;
  transition: var(--transition);
}
.chatbot-close-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: rotate(90deg);
}
.chatbot-messages {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--light-bg);
}
.chat-msg {
  display: flex;
  gap: 10px;
  max-width: 82%;
  animation: slideUp 0.3s ease-out;
}
.chat-msg.bot {
  align-self: flex-start;
  text-align: right;
}
.chat-msg.user {
  align-self: flex-end;
  flex-direction: row-reverse;
  text-align: left;
}
.msg-content {
  background: var(--light-card);
  padding: 12px 16px;
  border-radius: 18px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text-dark);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  border: 1px solid var(--border);
  border-top-right-radius: 4px; /* WhatsApp style bot bubble */
}
.chat-msg.user .msg-content {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border: 0;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
  border-top-right-radius: 18px;
  border-top-left-radius: 4px; /* WhatsApp style user bubble */
}
.chatbot-suggestions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 10px 16px;
  background: var(--light-card);
  border-top: 1px solid var(--border);
  overflow-x: auto;
}
.chat-chip {
  background: rgba(37, 99, 235, 0.03);
  border: 1.5px solid rgba(37, 99, 235, 0.15) !important;
  border-radius: 30px !important;
  padding: 6px 14px !important;
  font-size: 11.5px !important;
  font-weight: 800 !important;
  cursor: pointer;
  color: var(--primary) !important;
  transition: all 0.2s ease !important;
  white-space: nowrap;
}
.chat-chip:hover {
  background: var(--primary) !important;
  color: #fff !important;
  border-color: var(--primary) !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.15);
}
.chatbot-input-area {
  display: flex;
  padding: 14px 18px;
  border-top: 1px solid var(--border);
  background: var(--light-card);
  gap: 10px;
  align-items: center;
}
.chatbot-input-area input {
  flex: 1;
  border: 1.5px solid var(--border);
  border-radius: 30px;
  padding: 10px 18px;
  font-size: 13.5px;
  outline: none;
  background: var(--light-bg);
  color: var(--text-dark);
  transition: all 0.3s ease;
}
.chatbot-input-area input:focus {
  border-color: var(--primary);
  background: var(--light-card);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

/* 4. Parent Portal Card & Search */
.parent-portal-card {
  background: var(--light-card);
  border: 1.5px solid var(--border);
  border-radius: 20px;
  padding: 30px;
  box-shadow: var(--shadow-lg);
  margin-top: 40px;
  transition: var(--transition);
}
.parent-portal-card:hover {
  border-color: var(--secondary);
  box-shadow: 0 12px 40px rgba(13, 148, 136, 0.06);
}
.parent-report-box {
  background: var(--light-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-top: 20px;
  animation: fadeIn 0.4s ease-out;
}

/* 5. Gamification System & Badges */
.badges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(95px, 1fr));
  gap: 12px;
  margin-top: 15px;
}
.badge-card {
  background: rgba(15, 23, 42, 0.02);
  border: 1px dashed var(--border);
  border-radius: 16px;
  padding: 14px 10px;
  text-align: center;
  transition: var(--transition);
  opacity: 0.65;
}
.badge-card.earned {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.05), rgba(245, 158, 11, 0.01));
  border: 1.5px solid var(--accent-orange);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.1);
  opacity: 1;
}
.badge-icon {
  font-size: 32px;
  filter: grayscale(1) contrast(0.5);
  transition: var(--transition);
  display: block;
  margin-bottom: 6px;
}
.badge-card.earned .badge-icon {
  filter: grayscale(0) contrast(1);
  transform: scale(1.05);
}
.badge-title {
  font-size: 11px;
  font-weight: 800;
  color: var(--muted);
  line-height: 1.2;
}
.badge-card.earned .badge-title {
  color: var(--accent-orange);
}

/* 6. Dynamic Homework Stepper Layout */
.homework-wrapper {
  background: var(--light-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 30px;
  box-shadow: var(--shadow-lg);
  max-width: 750px;
  margin: 0 auto;
}
.homework-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
  padding-bottom: 15px;
  margin-bottom: 24px;
}
.homework-timer {
  background: rgba(244, 63, 94, 0.08);
  color: var(--accent-pink);
  border: 1px solid rgba(244, 63, 94, 0.15);
  font-weight: 900;
  padding: 6px 14px;
  border-radius: 30px;
  font-family: var(--font-en);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.homework-timer.alert {
  background: var(--accent-pink);
  color: #fff;
  border-color: var(--accent-pink);
  animation: pulse 1s infinite;
}
.homework-progress-bar {
  background: var(--border);
  height: 8px;
  border-radius: 20px;
  overflow: hidden;
  width: 100%;
  margin-bottom: 20px;
}
.homework-progress-fill {
  background: linear-gradient(90deg, var(--primary), var(--accent-purple));
  height: 100%;
  width: 0%;
  transition: width 0.3s ease;
}
.homework-card {
  animation: fadeIn 0.4s ease;
}
.homework-q-tag {
  font-size: 11px;
  font-weight: 900;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
  display: inline-block;
}
.homework-q-text {
  font-size: 17px;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 20px;
  line-height: 1.5;
}
.homework-options-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.hw-option-btn {
  background: var(--light-bg);
  border: 1.5px solid var(--border);
  color: var(--text-dark);
  padding: 14px 20px;
  border-radius: var(--border-radius);
  font-size: 14.5px;
  font-weight: 700;
  text-align: right;
  cursor: pointer;
  transition: var(--transition);
  outline: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.hw-option-btn:hover:not(:disabled) {
  border-color: var(--primary);
  background: rgba(37, 99, 235, 0.01);
  transform: translateY(-1px);
}
.hw-option-btn:disabled {
  cursor: not-allowed;
  opacity: 0.8;
}
.hw-option-btn.selected-wrong {
  border-color: var(--accent-pink);
  background: rgba(244, 63, 94, 0.05);
  color: var(--accent-pink);
}
.hw-option-btn.correct-answer {
  border-color: var(--accent-green);
  background: rgba(16, 185, 129, 0.06);
  color: var(--accent-green);
}
.hw-option-badge {
  font-family: var(--font-en);
  font-weight: 900;
  font-size: 13px;
  border: 1px solid var(--border);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  color: var(--muted);
}
.hw-option-btn.correct-answer .hw-option-badge {
  background: var(--accent-green);
  border-color: var(--accent-green);
  color: #fff;
}
.hw-option-btn.selected-wrong .hw-option-badge {
  background: var(--accent-pink);
  border-color: var(--accent-pink);
  color: #fff;
}
.explanation-box {
  background: rgba(37, 99, 235, 0.03);
  border: 1.5px solid rgba(37, 99, 235, 0.15);
  border-radius: 12px;
  padding: 16px 20px;
  margin-top: 20px;
  animation: fadeIn 0.4s ease;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text-dark);
}
.explanation-box.wrong {
  background: rgba(244, 63, 94, 0.02);
  border-color: rgba(244, 63, 94, 0.1);
}
.explanation-box h5 {
  margin: 0 0 6px 0;
  font-weight: 800;
  font-size: 14px;
}
.explanation-box.wrong h5 {
  color: var(--accent-pink);
}
.explanation-box.correct h5 {
  color: var(--accent-green);
}

/* --- Enhanced Homework Choice Buttons --- */
.btn-hw-choice {
  transition: all 0.2s ease !important;
  position: relative;
  overflow: hidden;
}
.btn-hw-choice:hover:not(:disabled) {
  transform: translateX(-4px);
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.12);
  border-color: var(--primary) !important;
  background: rgba(37, 99, 235, 0.03) !important;
}
.btn-hw-choice:disabled {
  cursor: default;
  opacity: 0.85;
}

/* Dark mode chatbot and card support */
body.dark-theme .chatbot-messages,
body.dark-theme .chatbot-input-area {
  background: #151f32;
  border-color: #334155;
}
body.dark-theme .msg-content {
  background: #1e293b;
  color: #f1f5f9;
  border-color: #334155;
}
body.dark-theme .badge-card {
  background: rgba(255, 255, 255, 0.015);
  border-color: #334155;
}
body.dark-theme .hw-option-btn {
  background: #1e293b;
  border-color: #334155;
}
body.dark-theme .hw-option-badge {
  background: #151f32;
  border-color: #334155;
  color: #94a3b8;
}
body.dark-theme .hw-option-btn:hover:not(:disabled) {
  background: rgba(255,255,255,0.01);
}
body.dark-theme .hw-option-btn.correct-answer {
  background: rgba(16, 185, 129, 0.04);
}
body.dark-theme .hw-option-btn.selected-wrong {
  background: rgba(244, 63, 94, 0.04);
}
body.dark-theme .explanation-box {
  background: rgba(30, 41, 59, 0.5);
  border-color: #334155;
}
body.dark-theme .parent-portal-card,
body.dark-theme .parent-report-box {
  background: #151f32;
  border-color: #334155;
}

/* ==========================================
   ROADMAP WINDING PATH & GAMIFICATION STYLES
   ========================================== */
#header-student-progress {
  background: var(--light-card);
  border: 1.5px solid var(--border);
  padding: 4px 12px;
  border-radius: 30px;
  box-shadow: var(--shadow);
}
body.dark-theme #header-student-progress {
  background: #151f32;
  border-color: #334155;
}

.roadmap-winding-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 60px;
  position: relative;
  max-width: 600px;
  margin: 30px auto;
  padding: 30px 0;
}

.roadmap-svg-line {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.roadmap-node-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 2;
  width: 130px;
}

/* Duolingo Winding alternating offsets */
.roadmap-node-wrapper.offset-left {
  align-self: flex-start;
  margin-left: 20%;
}
.roadmap-node-wrapper.offset-right {
  align-self: flex-end;
  margin-right: 20%;
}

.roadmap-node-circle {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  cursor: pointer;
  position: relative;
  transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.2s ease;
  user-select: none;
}

.roadmap-node-circle:active {
  transform: translateY(4px);
}

/* Circle types styling */
.roadmap-node-circle.completed {
  background: linear-gradient(135deg, var(--accent-green), #059669);
  color: #ffffff;
  border: 4px solid #10b981;
  box-shadow: 0 8px 0 #047857, 0 15px 20px rgba(16,185,129,0.25);
}
.roadmap-node-circle.completed:active {
  box-shadow: 0 4px 0 #047857, 0 10px 15px rgba(16,185,129,0.25);
}

.roadmap-node-circle.in-progress {
  background: linear-gradient(135deg, var(--accent-orange), #d97706);
  color: #ffffff;
  border: 4px solid #f59e0b;
  box-shadow: 0 8px 0 #b45309, 0 15px 20px rgba(245,158,11,0.3);
  animation: pulse-node 1.8s infinite ease-in-out;
}
.roadmap-node-circle.in-progress:active {
  box-shadow: 0 4px 0 #b45309, 0 10px 15px rgba(245,158,11,0.3);
}

.roadmap-node-circle.locked {
  background: #cbd5e1;
  color: #94a3b8;
  border: 4px solid #94a3b8;
  box-shadow: 0 8px 0 #64748b, 0 10px 15px rgba(0,0,0,0.05);
}
body.dark-theme .roadmap-node-circle.locked {
  background: #334155;
  color: #475569;
  border: 4px solid #475569;
  box-shadow: 0 8px 0 #1e293b, 0 10px 15px rgba(0,0,0,0.2);
}

.roadmap-node-badge {
  position: absolute;
  top: -8px;
  right: -8px;
  background: var(--accent-pink);
  color: #fff;
  font-size: 9px;
  font-weight: 900;
  padding: 2px 6px;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.15);
  font-family: var(--font-en);
}

.roadmap-node-label {
  margin-top: 10px;
  font-size: 12px;
  font-weight: 800;
  color: var(--text-dark);
  text-align: center;
  white-space: nowrap;
  background: var(--light-card);
  padding: 4px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
}
body.dark-theme .roadmap-node-label {
  background: #151f32;
  border-color: #334155;
}

/* Pulsating Animation */
@keyframes pulse-node {
  0% { transform: scale(1); box-shadow: 0 8px 0 #b45309, 0 0 0 0px rgba(245,158,11,0.4); }
  50% { transform: scale(1.05); box-shadow: 0 8px 0 #b45309, 0 0 0 12px rgba(245,158,11,0); }
  100% { transform: scale(1); box-shadow: 0 8px 0 #b45309, 0 0 0 0px rgba(245,158,11,0); }
}

/* Floating roadmap popover details */
.roadmap-popover {
  position: absolute;
  top: 90px;
  background: var(--light-card);
  border: 1.5px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  width: 250px;
  z-index: 100;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-align: right;
  animation: popover-fade 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
body.dark-theme .roadmap-popover {
  background: #151f32;
  border-color: #334155;
}

@keyframes popover-fade {
  from { opacity: 0; transform: translateY(-10px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.roadmap-popover::after {
  content: '';
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-bottom: 8px solid var(--border);
}
body.dark-theme .roadmap-popover::after {
  border-bottom-color: #334155;
}

.roadmap-popover h4 {
  margin: 0;
  font-size: 13.5px;
  color: var(--primary);
}
.roadmap-popover p {
  margin: 0;
  font-size: 11px;
  color: var(--muted);
  line-height: 1.4;
}

/* Typing indicator anim */
.typing-indicator {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 12px;
  background: var(--light-card);
  border-radius: 12px;
  border: 1px solid var(--border);
  margin: 4px 12px;
  width: fit-content;
}
body.dark-theme .typing-indicator {
  background: #1e293b;
  border-color: #334155;
}

.typing-indicator span {
  width: 6px;
  height: 6px;
  background: var(--muted);
  border-radius: 50%;
  animation: typing-dot 1.2s infinite ease-in-out;
}
.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing-dot {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

/* Chat suggestions scroll */
.chatbot-suggestions::-webkit-scrollbar {
  height: 4px;
}
.chatbot-suggestions::-webkit-scrollbar-thumb {
  background-color: var(--border);
  border-radius: 4px;
}

/* ==========================================
   12. ADVANCED INTERACTIVE STYLES
   ========================================== */

/* 3D Flashcard styles */
.flashcard-container {
  margin: 30px auto;
  perspective: 1000px;
}

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

.flashcard-3d.flipped {
  transform: rotateY(180deg);
}

.flashcard-face {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: var(--border-radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  border: 2px solid var(--border);
  background: var(--light-card);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.flashcard-face.front {
  border-color: var(--primary);
}

.flashcard-face.back {
  transform: rotateY(180deg);
  border-color: var(--accent-green);
}

/* Pulse Dot Animation for Announcement */
.pulse-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-orange);
  box-shadow: 0 0 0 0 rgba(249, 115, 22, 0.7);
  animation: pulse-orange 1.6s infinite;
}

@keyframes pulse-orange {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(249, 115, 22, 0.7);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 6px rgba(249, 115, 22, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(249, 115, 22, 0);
  }
}

/* Benchmark stats styles for parent portal */
.benchmark-stat-card {
  background: var(--light-card);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin-top: 15px;
}

.benchmark-row {
  margin: 15px 0;
}

.benchmark-label-row {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 6px;
}

.benchmark-bar-bg {
  background: var(--light-bg);
  height: 10px;
  border-radius: 5px;
  position: relative;
  overflow: visible;
  border: 1px solid var(--border);
}

.benchmark-bar-fill {
  height: 100%;
  border-radius: 5px;
  transition: width 0.8s ease-in-out;
}

.benchmark-bar-fill.student {
  background: linear-gradient(90deg, var(--primary) 0%, var(--accent-purple) 100%);
}

.benchmark-average-marker {
  position: absolute;
  top: -6px;
  width: 4px;
  height: 20px;
  background: var(--accent-orange);
  border-radius: 2px;
  box-shadow: 0 0 6px rgba(249, 115, 22, 0.8);
}

.benchmark-average-label {
  position: absolute;
  top: -24px;
  transform: translateX(-50%);
  font-size: 9.5px;
  font-weight: 900;
  color: var(--accent-orange);
  white-space: nowrap;
  background: var(--light-card);
  padding: 2px 6px;
  border: 1px solid var(--accent-orange);
  border-radius: 4px;
}


/* ==========================================
   NEW FEATURES — PHASE 2 STYLES
   ========================================== */

/* ---------- Night Study Mode ---------- */
body.night-study-mode {
  filter: brightness(0.82) saturate(0.7);
  background: #0a0f1e !important;
}
body.night-study-mode .app-header,
body.night-study-mode .glass {
  background: rgba(10, 15, 30, 0.97) !important;
  border-color: rgba(255,255,255,0.06) !important;
}
body.night-study-mode .light-card,
body.night-study-mode .stat-card,
body.night-study-mode .grammar-card,
body.night-study-mode .gx-card,
body.night-study-mode .gx-practice-section,
body.night-study-mode .gx-formula-row,
body.night-study-mode .gx-lesson-header,
body.night-study-mode .about-card {
  background: rgba(15, 22, 40, 0.98) !important;
  border-color: rgba(255, 255, 255, 0.07) !important;
}
#btn-night-study.active {
  background: rgba(249,115,22,0.15);
  border-color: var(--accent-orange);
  color: var(--accent-orange);
}

/* ---------- Daily Stories Row ---------- */
.stories-row {
  display: flex;
  gap: 18px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
}
.story-circle {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform 0.2s;
}
.story-circle:hover { transform: scale(1.07); }
.story-avatar {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  border: 3px solid transparent;
  background-clip: padding-box;
  background: linear-gradient(var(--paper), var(--paper)) padding-box,
              linear-gradient(135deg, #f97316, #ec4899, #8b5cf6) border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  box-shadow: 0 4px 12px rgba(139,92,246,0.25);
  transition: box-shadow 0.2s;
}
.story-avatar:hover { box-shadow: 0 6px 20px rgba(139,92,246,0.4); }
.story-avatar.seen {
  background: linear-gradient(var(--paper), var(--paper)) padding-box,
              linear-gradient(135deg, var(--border), var(--border)) border-box;
  opacity: 0.6;
}
.story-label {
  font-size: 10.5px;
  font-weight: 800;
  color: var(--text-dark);
  text-align: center;
  max-width: 64px;
  line-height: 1.3;
}

/* Story Viewer Modal */
.story-viewer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
}
.story-viewer-card {
  width: min(420px, 95vw);
  min-height: 500px;
  background: linear-gradient(135deg, #1e1b4b, #312e81);
  border-radius: 24px;
  padding: 30px 25px;
  color: #fff;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  box-shadow: 0 25px 60px rgba(0,0,0,0.5);
}
.story-progress-bar {
  width: 100%;
  height: 4px;
  background: rgba(255,255,255,0.2);
  border-radius: 4px;
  margin-bottom: 20px;
  overflow: hidden;
}
.story-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #f97316, #ec4899);
  border-radius: 4px;
  animation: story-tick 5s linear forwards;
}
@keyframes story-tick { from { width: 0% } to { width: 100% } }

/* ---------- Badges Grid ---------- */
.badges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 12px;
  margin-top: 15px;
}
.badge-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 8px;
  border-radius: 14px;
  border: 1.5px solid var(--border);
  background: var(--paper);
  transition: transform 0.2s, box-shadow 0.2s;
  cursor: default;
}
.badge-item:hover { transform: translateY(-3px); box-shadow: 0 8px 20px rgba(0,0,0,0.1); }
.badge-item.unlocked { border-color: var(--accent-orange); background: rgba(249,115,22,0.05); }
.badge-item.locked { opacity: 0.4; filter: grayscale(1); }
.badge-emoji { font-size: 28px; }
.badge-name { font-size: 9.5px; font-weight: 800; color: var(--text-dark); text-align: center; line-height: 1.3; }
.badge-item.unlocked .badge-name { color: var(--accent-orange); }

/* ---------- Streak Counter Animation ---------- */
#streak-counter {
  animation: streak-glow 2.5s ease-in-out infinite;
}
@keyframes streak-glow {
  0%, 100% { box-shadow: 0 0 0 rgba(249,115,22,0); }
  50% { box-shadow: 0 0 10px rgba(249,115,22,0.35); }
}

/* ---------- Class Schedule Grid ---------- */
.schedule-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 15px;
  margin-top: 10px;
}
.schedule-day-card {
  background: var(--light-card);
  border: 1.5px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  transition: var(--transition);
}
.schedule-day-card:hover { border-color: var(--primary); }
.schedule-day-name {
  font-size: 13px;
  font-weight: 900;
  color: var(--primary);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.schedule-lesson-select {
  width: 100%;
  padding: 7px 10px;
  border-radius: 8px;
  border: 1.5px solid var(--border);
  font-size: 11.5px;
  font-weight: 700;
  background: var(--paper);
  color: var(--text-dark);
  font-family: var(--font-ar);
  cursor: pointer;
}
.schedule-lesson-select:focus { border-color: var(--primary); outline: none; }

/* ---------- Pronunciation Tab ---------- */
.pronun-word-chip {
  padding: 8px 16px;
  border-radius: 30px;
  border: 2px solid var(--border);
  background: var(--light-card);
  font-family: var(--font-en);
  font-weight: 800;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
  color: var(--text-dark);
}
.pronun-word-chip:hover,
.pronun-word-chip.active {
  border-color: var(--primary);
  background: rgba(37,99,235,0.08);
  color: var(--primary);
  transform: scale(1.05);
}
.pronun-word-chip.perfect { border-color: var(--accent-green); background: rgba(16,185,129,0.08); color: var(--accent-green); }
.pronun-word-chip.good { border-color: var(--accent-orange); background: rgba(249,115,22,0.08); color: var(--accent-orange); }
.pronun-word-chip.needs-work { border-color: var(--accent-pink); background: rgba(225,29,72,0.08); color: var(--accent-pink); }

/* ---------- Personal Dictionary Cards ---------- */
.dict-word-card {
  background: var(--light-card);
  border: 1.5px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  position: relative;
  transition: all 0.2s;
}
.dict-word-card:hover { border-color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.dict-word-en {
  font-family: var(--font-en);
  font-size: 17px;
  font-weight: 900;
  color: var(--primary);
  margin-bottom: 4px;
}
.dict-word-ar { font-size: 12.5px; font-weight: 700; color: var(--muted); margin-bottom: 8px; }
.dict-word-part { font-size: 10px; font-weight: 700; color: var(--accent-purple); background: rgba(139,92,246,0.08); padding: 2px 7px; border-radius: 8px; display: inline-block; }
.dict-remove-btn {
  position: absolute;
  top: 8px;
  left: 8px;
  background: none;
  border: none;
  font-size: 14px;
  cursor: pointer;
  opacity: 0.4;
  transition: opacity 0.2s;
  line-height: 1;
  padding: 2px;
}
.dict-remove-btn:hover { opacity: 1; }

/* ---------- WhatsApp Share Button ---------- */
.btn-whatsapp {
  background: #25d366;
  color: #fff;
  border: none;
  padding: 10px 20px;
  border-radius: 12px;
  font-weight: 900;
  font-size: 12.5px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: transform 0.2s, box-shadow 0.2s;
  font-family: var(--font-ar);
  box-shadow: 0 4px 15px rgba(37,211,102,0.3);
}
.btn-whatsapp:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(37,211,102,0.4); }

/* ---------- AI Question Generator Panel ---------- */
#ai-generated-questions .ai-q-item {
  background: var(--light-card);
  border: 1.5px solid var(--accent-purple);
  border-radius: 12px;
  padding: 12px 15px;
  margin-bottom: 10px;
  font-family: var(--font-en);
  direction: ltr;
  text-align: left;
}
#ai-generated-questions .ai-q-text { font-weight: 800; font-size: 13px; margin-bottom: 6px; color: var(--text-dark); }
#ai-generated-questions .ai-q-options { display: flex; flex-wrap: wrap; gap: 6px; }
#ai-generated-questions .ai-q-opt {
  padding: 3px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  font-size: 11.5px;
  font-weight: 700;
  background: var(--paper);
}
#ai-generated-questions .ai-q-opt.correct { border-color: var(--accent-green); color: var(--accent-green); background: rgba(16,185,129,0.07); }

/* ---------- Leaderboard Podium ---------- */
.lb-podium {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: 15px;
  padding: 20px 10px 0;
  min-height: 160px;
}
.podium-slot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  flex: 1;
  max-width: 140px;
}
.podium-avatar {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 900;
  color: #fff;
  border: 3px solid #fff;
  box-shadow: 0 6px 20px rgba(37,99,235,0.3);
  font-family: var(--font-en);
}
.podium-slot:nth-child(1) .podium-avatar { background: linear-gradient(135deg, #f59e0b, #d97706); box-shadow: 0 6px 20px rgba(245,158,11,0.4); width: 70px; height: 70px; }
.podium-slot:nth-child(3) .podium-avatar { background: linear-gradient(135deg, #9ca3af, #6b7280); }
.podium-name { font-size: 11.5px; font-weight: 800; color: var(--text-dark); text-align: center; }
.podium-xp { font-size: 10px; font-weight: 700; color: var(--muted); font-family: var(--font-en); }
.podium-stand {
  width: 100%;
  border-radius: 10px 10px 0 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 900;
  color: #fff;
}
.podium-slot:nth-child(1) .podium-stand { background: linear-gradient(135deg, #f59e0b, #d97706); height: 80px; }
.podium-slot:nth-child(2) .podium-stand { background: linear-gradient(135deg, #9ca3af, #6b7280); height: 55px; }
.podium-slot:nth-child(3) .podium-stand { background: linear-gradient(135deg, #cd7c32, #b45309); height: 40px; }

/* ---------- PWA Install Banner ---------- */
#pwa-install-banner {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary), var(--accent-purple));
  color: #fff;
  padding: 14px 24px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: 0 10px 35px rgba(37,99,235,0.4);
  z-index: 9998;
  font-family: var(--font-ar);
  font-weight: 800;
  font-size: 13px;
  max-width: 90vw;
  animation: slide-up-banner 0.4s ease;
}
@keyframes slide-up-banner { from { transform: translateX(-50%) translateY(80px); opacity: 0; } to { transform: translateX(-50%) translateY(0); opacity: 1; } }
#pwa-install-banner button { background: rgba(255,255,255,0.2); border: 1.5px solid rgba(255,255,255,0.4); color: #fff; padding: 7px 16px; border-radius: 10px; font-weight: 800; cursor: pointer; font-size: 12px; font-family: var(--font-ar); transition: background 0.2s; }
#pwa-install-banner button:hover { background: rgba(255,255,255,0.35); }
#pwa-install-banner .close-pwa { background: none; border: none; font-size: 18px; cursor: pointer; padding: 0; line-height: 1; }

/* ---------- Custom Exam Question Pool ---------- */
.cex-q-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 8px;
  background: var(--paper);
  transition: border-color 0.2s;
  font-family: var(--font-en);
  direction: ltr;
  text-align: left;
}
.cex-q-item:hover { border-color: var(--primary); }
.cex-q-item input[type="checkbox"] { margin-top: 3px; flex-shrink: 0; accent-color: var(--primary); width: 16px; height: 16px; }
.cex-q-text { font-size: 12.5px; font-weight: 700; color: var(--text-dark); }

/* ---------- Teacher Comment in Student Card ---------- */
.teacher-comment-box {
  background: rgba(37,99,235,0.04);
  border: 1.5px dashed var(--primary);
  border-radius: 12px;
  padding: 12px 15px;
  margin-top: 10px;
  font-size: 12px;
  color: var(--muted);
  font-weight: 700;
  line-height: 1.5;
}
.teacher-comment-box strong { color: var(--primary); }

/* ---------- Multi-child Comparison Grid ---------- */
.multi-child-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 15px;
  margin-top: 20px;
}
.child-compare-card {
  background: var(--light-card);
  border: 1.5px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  text-align: center;
  transition: all 0.2s;
}
.child-compare-card:hover { border-color: var(--primary); transform: translateY(-3px); box-shadow: var(--shadow); }
.child-rank-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  font-size: 16px;
  font-weight: 900;
  color: #fff;
  margin-bottom: 10px;
}
.child-rank-badge.rank-1 { background: linear-gradient(135deg, #f59e0b, #d97706); }
.child-rank-badge.rank-2 { background: linear-gradient(135deg, #9ca3af, #6b7280); }
.child-rank-badge.rank-3 { background: linear-gradient(135deg, #cd7c32, #b45309); }
.child-rank-badge.rank-other { background: linear-gradient(135deg, var(--primary), var(--accent-purple)); }
.child-compare-name { font-size: 14px; font-weight: 900; color: var(--text-dark); margin-bottom: 4px; }
.child-compare-stat { font-size: 11.5px; color: var(--muted); font-weight: 700; margin: 3px 0; }
.child-compare-score { font-size: 24px; font-weight: 900; color: var(--primary); margin: 8px 0; font-family: var(--font-en); }

/* ---------- Smart Study Plan ---------- */
.study-plan-day {
  background: var(--light-card);
  border: 1.5px solid var(--border);
  border-radius: 14px;
  padding: 14px 18px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 15px;
  transition: all 0.2s;
}
.study-plan-day:hover { border-color: var(--primary); }
.study-plan-day-name {
  min-width: 70px;
  font-size: 12px;
  font-weight: 900;
  color: var(--primary);
}
.study-plan-tasks { display: flex; flex-wrap: wrap; gap: 6px; flex: 1; }
.study-plan-task {
  padding: 4px 10px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 800;
  background: rgba(37,99,235,0.08);
  color: var(--primary);
  border: 1px solid rgba(37,99,235,0.2);
}

/* ==========================================================================
   14. ADDITIONAL PREMIUM STYLES (15 ADVANCED FEATURES)
   ========================================================================== */

/* --- RTL / LTR Language support --- */
body.ltr-mode {
  direction: ltr;
  text-align: left;
}
body.ltr-mode .app-header {
  flex-direction: row-reverse;
}
body.ltr-mode .logo-container {
  flex-direction: row-reverse;
}
body.ltr-mode .header-controls {
  flex-direction: row-reverse;
}
body.ltr-mode .admin-layout {
  flex-direction: row-reverse;
}
body.ltr-mode .admin-sidebar {
  border-left: 1.5px solid var(--border);
  border-right: none;
  text-align: left;
}
body.ltr-mode .admin-side-btn {
  text-align: left;
}
body.ltr-mode .lead-table th, body.ltr-mode .lead-table td {
  text-align: left;
}
body.ltr-mode .chatbot-window {
  left: 20px;
  right: auto;
  text-align: left;
}
body.ltr-mode .chatbot-header {
  flex-direction: row-reverse;
}
body.ltr-mode .chatbot-messages .chat-msg.bot {
  align-self: flex-start;
}
body.ltr-mode .chatbot-messages .chat-msg.user {
  align-self: flex-end;
}
body.ltr-mode .notif-dropdown {
  left: auto;
  right: 0;
  text-align: left;
  direction: ltr;
}

/* --- Notification Badge / Dropdown styling --- */
.notification-wrapper {
  display: inline-block;
}
.notif-dropdown {
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  transform-origin: top left;
}
.notif-item {
  padding: 8px 10px;
  border-radius: 8px;
  background: var(--light-bg);
  border: 1px solid var(--border);
  font-size: 11.5px;
  cursor: pointer;
  transition: background 0.2s;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.notif-item:hover {
  background: var(--border);
}
.notif-item .notif-time {
  font-size: 9px;
  color: var(--muted);
  font-family: var(--font-en);
}

/* --- Speed Challenge Time Bar --- */
.wc-timer-bar-container {
  width: 100%;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 15px;
}
.wc-timer-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-orange), var(--accent-pink));
  width: 100%;
  transition: width 0.1s linear;
}
.wc-timer-bar-fill.warning {
  background: var(--accent-pink);
  animation: wc-blink 0.5s infinite alternate;
}
@keyframes wc-blink {
  from { opacity: 0.6; }
  to { opacity: 1; }
}

/* --- Progress Chart (SVG based) --- */
.progress-chart-svg {
  width: 100%;
  height: 220px;
}
.chart-line {
  fill: none;
  stroke: var(--primary);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0px 4px 8px rgba(37,99,235,0.25));
}
.chart-area {
  fill: url(#chart-gradient);
  opacity: 0.12;
}
.chart-point {
  fill: var(--light-card);
  stroke: var(--primary);
  stroke-width: 3;
  cursor: pointer;
  transition: transform 0.2s, stroke-width 0.2s;
}
.chart-point:hover {
  transform: scale(1.3);
  stroke-width: 4;
}
.chart-tooltip {
  position: absolute;
  background: rgba(15, 23, 42, 0.9);
  color: #fff;
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 700;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s;
  z-index: 100;
  box-shadow: var(--shadow-md);
}

/* --- Floating Translation Tooltip --- */
.instant-translate-tooltip {
  position: absolute;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  border: 1.5px solid rgba(255, 255, 255, 0.4);
  box-shadow: 0 10px 30px rgba(0,0,0,0.15);
  border-radius: 12px;
  padding: 10px 14px;
  z-index: 100000;
  min-width: 160px;
  max-width: 250px;
  animation: tooltip-fade-in 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  direction: rtl;
  text-align: right;
  color: var(--text-dark);
}
body.dark-theme .instant-translate-tooltip {
  background: rgba(30, 41, 59, 0.85);
  border-color: rgba(255, 255, 255, 0.1);
  color: #fff;
}
@keyframes tooltip-fade-in {
  from { opacity: 0; transform: translateY(6px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* --- Certificate Printing styling --- */
@media print {
  body * {
    visibility: hidden !important;
  }
  #cert-design-canvas, #cert-design-canvas * {
    visibility: visible !important;
  }
  #cert-design-canvas {
    position: absolute !important;
    left: 0 !important;
    top: 0 !important;
    width: 100% !important;
    height: 100% !important;
  }
  @page {
    size: A4 landscape;
    margin: 0;
  }
}

/* --- Tablet Styles Optimization --- */
@media (max-width: 1024px) and (min-width: 768px) {
  .admin-layout {
    flex-direction: column;
  }
  .admin-sidebar {
    width: 100%;
    display: flex;
    flex-direction: row;
    overflow-x: auto;
    border-bottom: 1.5px solid var(--border);
    border-right: none;
    border-left: none;
    padding-bottom: 10px;
    margin-bottom: 15px;
    gap: 8px;
    white-space: nowrap;
  }
  .admin-sidebar button {
    margin-bottom: 0;
  }
  .admin-content-panel {
    flex: 1;
    width: 100%;
  }
  .grammar-grid {
    grid-template-columns: 1fr 1fr;
  }
  .stats-container {
    grid-template-columns: 1fr 1fr;
  }
}

/* ==========================================
   15. NEW PREMIUM FEATURES STYLES
   ========================================== */

/* Multi-theme support overrides */
body.theme-dark {
  --light-bg: #0b0f19;
  --light-card: #151f32;
  --text-dark: #f1f5f9;
  --border: #334155;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}
body.theme-purple {
  --primary: #8b5cf6;
  --primary-dark: #7c3aed;
  --light-bg: #f5f3ff;
  --light-card: #ffffff;
  --text-dark: #2e1065;
  --border: #ddd6fe;
  --accent-purple: #c084fc;
}
body.theme-purple.dark-theme {
  --primary: #a78bfa;
  --primary-dark: #8b5cf6;
  --light-bg: #120b24;
  --light-card: #1e133a;
  --text-dark: #f5f3ff;
  --border: #3c2966;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}
body.theme-green {
  --primary: #10b981;
  --primary-dark: #059669;
  --light-bg: #f0fdf4;
  --light-card: #ffffff;
  --text-dark: #052e16;
  --border: #bbf7d0;
  --accent-green: #34d399;
}
body.theme-green.dark-theme {
  --primary: #34d399;
  --primary-dark: #10b981;
  --light-bg: #041a10;
  --light-card: #0c3320;
  --text-dark: #f0fdf4;
  --border: #14532d;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}
body.theme-gold {
  --primary: #b45309;
  --primary-dark: #92400e;
  --light-bg: #fffbeb;
  --light-card: #ffffff;
  --text-dark: #451a03;
  --border: #fde68a;
  --accent-orange: #f59e0b;
}
body.theme-gold.dark-theme {
  --primary: #fbbf24;
  --primary-dark: #f59e0b;
  --light-bg: #1c1001;
  --light-card: #331f04;
  --text-dark: #fffbeb;
  --border: #78350f;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* Accessibility high-contrast & large layout overrides */
body.accessibility-mode {
  font-size: 18px !important;
  line-height: 1.8 !important;
}
body.accessibility-mode h1,
body.accessibility-mode h2,
body.accessibility-mode h3,
body.accessibility-mode h4,
body.accessibility-mode h5,
body.accessibility-mode h6 {
  font-weight: 900 !important;
}
body.accessibility-mode .logo-text,
body.accessibility-mode .nav-link,
body.accessibility-mode .study-tab,
body.accessibility-mode .btn,
body.accessibility-mode input,
body.accessibility-mode select,
body.accessibility-mode textarea {
  font-size: 110% !important;
}
body.accessibility-mode button,
body.accessibility-mode .btn {
  padding: 10px 20px !important;
}

/* PvP Challenge Animations */
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}




@keyframes loadingBar {
  0% { transform: translateX(-100%); }
  50% { transform: translateX(100%); }
  100% { transform: translateX(-100%); }
}

/* Exam Screen Blocker overlays style */
.cheating-warning-flash {
  animation: bgFlash 0.3s 2 alternate;
}
@keyframes bgFlash {
  from { background: transparent; }
  to { background: rgba(236,72,153,0.3); }
}

/* Focus Mode styles */
.focus-mode-active .app-header {
  display: none !important;
}
.focus-mode-active .study-tabs-container {
  display: none !important;
}
.focus-mode-active .main-wrapper {
  padding-top: 20px !important;
}
.focus-mode-active #sec-study-room {
  max-width: 800px;
  margin: 0 auto;
  padding: 10px;
}
.focus-mode-active .study-tab-content {
  background: var(--light-card) !important;
  border: 1px solid var(--border) !important;
  border-radius: 18px !important;
  padding: 30px !important;
  box-shadow: var(--shadow-lg) !important;
}

/* Daily Goals Checklist */
.goal-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--light-bg);
  padding: 8px 12px;
  border-radius: 10px;
  border: 1.5px solid var(--border);
  transition: var(--transition);
  margin-bottom: 8px;
}
.goal-item:hover {
  border-color: var(--primary);
}
.goal-item.completed {
  opacity: 0.65;
}
.goal-item.completed .goal-text {
  text-decoration: line-through;
  color: var(--muted);
}
.goal-text {
  font-weight: 800;
  font-size: 12.5px;
  color: var(--text-dark);
}
.btn-delete-goal {
  background: none;
  border: none;
  color: var(--accent-pink);
  font-size: 14px;
  cursor: pointer;
  padding: 0 4px;
  font-weight: 900;
}

/* Calendar styling */
.calendar-day-cell {
  background: var(--light-bg);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  min-height: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 800;
  font-family: var(--font-en);
  position: relative;
  cursor: pointer;
  transition: var(--transition);
}
.calendar-day-cell:hover {
  border-color: var(--primary);
  background: rgba(37,99,235,0.05);
}
.calendar-day-cell.header {
  background: var(--border);
  font-weight: 900;
  cursor: default;
  border-color: var(--border);
  min-height: 30px;
}
.calendar-day-cell.today {
  border-color: var(--accent-orange);
  background: rgba(249,115,22,0.08);
}
.calendar-deadline-dot {
  position: absolute;
  bottom: 3px;
  width: 6px;
  height: 6px;
  background-color: var(--accent-pink);
  border-radius: 50%;
}

/* Chatroom Bubble styling */
.chat-msg-bubble {
  max-width: 80%;
  padding: 10px 14px;
  border-radius: 16px;
  font-size: 12.5px;
  line-height: 1.5;
  font-weight: 700;
}
.chat-msg-bubble.user {
  background: var(--primary);
  color: #fff;
  border-top-left-radius: 2px;
  align-self: flex-start;
  text-align: left;
}
.chat-msg-bubble.other {
  background: var(--light-bg);
  color: var(--text-dark);
  border: 1.5px solid var(--border);
  border-top-right-radius: 2px;
  align-self: flex-end;
  text-align: right;
}
.chat-msg-meta {
  font-size: 10px;
  color: var(--muted);
  font-weight: 800;
  margin-top: 4px;
}

/* Cloud Sync indicator */
.cloud-sync-spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 1s ease-in-out infinite;
}

/* Star rating system */
.rating-star.active {
  color: var(--accent-orange) !important;
}

/* Question bank card design */
.qbank-card {
  background: var(--light-card);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 12px 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 15px;
  transition: var(--transition);
  margin-bottom: 10px;
}
.qbank-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}


/* Subscription Blocker and SMS Verification styles */
@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.08); }
  100% { transform: scale(1); }
}
#modal-sms-verification .modal-content {
  background: var(--light-card) !important;
  border-color: var(--primary) !important;
}

/* Simulated SMS Push Notification Banner */
.simulated-sms-banner {
  position: fixed;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 90%;
  max-width: 420px;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(12px);
  border: 1.5px solid rgba(255, 255, 255, 0.15);
  border-radius: 16px;
  padding: 14px 18px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.05);
  color: #fff;
  z-index: 150000;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: top 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.3s;
  opacity: 0;
  direction: rtl;
  text-align: right;
  cursor: pointer;
}

.simulated-sms-banner.show {
  top: 25px;
  opacity: 1;
}

.simulated-sms-icon {
  font-size: 24px;
  background: linear-gradient(135deg, var(--primary), var(--accent-purple));
  border-radius: 12px;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.simulated-sms-content {
  flex: 1;
}

.simulated-sms-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: #94a3b8;
  margin-bottom: 3px;
  font-weight: 800;
}

.simulated-sms-title {
  color: #3b82f6;
  font-weight: 900;
  font-family: var(--font-en);
}

.simulated-sms-time {
  font-size: 10px;
}

.simulated-sms-body {
  font-size: 13px;
  font-weight: 800;
  color: #f8fafc;
  line-height: 1.4;
}

/* OTP Inputs Styles */
.otp-inputs-container {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin: 25px 0;
  direction: ltr; /* Left-to-right numbers flow */
}

.otp-digit-input {
  width: 54px;
  height: 58px;
  font-size: 24px;
  font-weight: 900;
  text-align: center;
  border: 2px solid var(--border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-dark);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  outline: none;
  font-family: var(--font-en);
}

.otp-digit-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
  background: var(--light-card);
  transform: translateY(-2px);
}

.otp-digit-input.error {
  border-color: var(--accent-pink) !important;
  box-shadow: 0 0 0 3px rgba(244, 63, 94, 0.15) !important;
  animation: shake 0.3s ease-in-out;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}

/* Password Strength Indicator */
.password-strength-wrapper {
  margin-top: 6px;
  text-align: right;
  width: 100%;
}

.password-strength-bar {
  background-color: var(--border);
  border-radius: 4px;
  height: 5px;
  overflow: hidden;
  width: 100%;
  display: flex;
}

.password-strength-fill {
  height: 100%;
  width: 0%;
  border-radius: 4px;
  transition: width 0.3s ease, background-color 0.3s ease;
}

.password-strength-text {
  font-size: 11px;
  font-weight: 800;
  margin-top: 4px;
  display: inline-block;
  transition: color 0.3s;
}

/* Dashboard Tabs Navigation */
.dashboard-tabs-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 25px;
  border-bottom: 2.5px solid var(--border);
  padding-bottom: 2px;
  overflow-x: auto;
  scrollbar-width: none; /* Hide scrollbar for Firefox */
  direction: rtl;
}

.dashboard-tabs-bar::-webkit-scrollbar {
  display: none; /* Hide scrollbar for Chrome/Safari */
}

.db-tab-btn {
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 800;
  border: none;
  background: none;
  color: var(--muted);
  border-bottom: 3.5px solid transparent;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  outline: none;
}

.db-tab-btn:hover {
  color: var(--primary);
  background: rgba(37, 99, 235, 0.04);
  border-radius: 8px 8px 0 0;
}

.db-tab-btn.active {
  color: var(--primary) !important;
  border-bottom-color: var(--primary) !important;
  font-weight: 900;
}

.db-tab-content {
  animation: fadeIn 0.4s ease-out;
}

/* Dark theme adjustments for the new .gx- components */
body.dark-theme .gx-card {
  background: var(--light-card) !important;
  border-color: var(--border) !important;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3) !important;
}

body.dark-theme .gx-practice-section {
  background: var(--light-card) !important;
  border-color: var(--primary) !important;
}

body.dark-theme .gx-practice-input {
  background: var(--light-bg) !important;
  color: var(--text-dark) !important;
  border-color: var(--border) !important;
}

body.dark-theme .gx-formula-row {
  background: rgba(255, 255, 255, 0.03) !important;
  border-color: var(--border) !important;
}

body.dark-theme .gx-example-item {
  background: rgba(13, 148, 136, 0.05) !important;
  border-right-color: var(--secondary) !important;
}

body.dark-theme .gx-mistake-item {
  background: rgba(244, 63, 94, 0.03) !important;
  border-color: rgba(244, 63, 94, 0.2) !important;
}

body.dark-theme .gx-table th {
  background: var(--light-bg) !important;
  color: var(--text-dark) !important;
  border-bottom-color: var(--border) !important;
}

body.dark-theme .gx-table td {
  border-bottom-color: var(--border) !important;
  color: var(--text-dark) !important;
}

body.dark-theme .gx-tr-even {
  background: rgba(255, 255, 255, 0.01) !important;
}

body.dark-theme .gx-formula-example {
  background: rgba(255, 255, 255, 0.02) !important;
  color: var(--muted) !important;
}

body.dark-theme .gx-lesson-header {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(139, 92, 246, 0.1)) !important;
  border-color: var(--border) !important;
}

body.dark-theme .gx-ar-block {
  border-left-color: var(--border) !important;
}

/* ============================================================
   PROFESSIONAL REDESIGN - Enhanced Study Room & Exam System
   ============================================================ */

/* --- Enhanced Study Room Header --- */
.study-room-header {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.04) 0%, rgba(139, 92, 246, 0.04) 100%);
  border: 1.5px solid var(--border);
  border-radius: 20px;
  padding: 24px 30px;
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.06);
  position: relative;
  overflow: hidden;
}
.study-room-header::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 120px;
  height: 100%;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(139, 92, 246, 0.04));
  border-radius: 0 20px 20px 0;
  z-index: 0;
}
.study-room-header > * {
  position: relative;
  z-index: 1;
}

/* --- Enhanced Study Tabs --- */
.study-tabs-container {
  display: flex;
  background: var(--light-card);
  border: 1.5px solid var(--border);
  border-radius: 16px;
  padding: 8px;
  gap: 6px;
  margin-bottom: 25px;
  overflow-x: auto;
  box-shadow: 0 2px 12px rgba(37, 99, 235, 0.04);
}
.study-tab {
  flex: 1;
  padding: 12px 18px;
  border-radius: 12px;
  text-align: center;
  font-size: 13px;
  font-weight: 800;
  color: var(--text-dark);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 2px solid transparent;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.study-tab:hover {
  background: rgba(37, 99, 235, 0.04);
  border-color: rgba(37, 99, 235, 0.1);
}
.study-tab.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
  transform: translateY(-1px);
}

/* --- Enhanced Exam Container --- */
.exam-container {
  max-width: 850px;
  margin: 0 auto;
  padding: 0 10px;
}

/* --- Enhanced Exam Intro Card --- */
.exam-intro-card {
  background: var(--light-card);
  border: 2px solid var(--border);
  border-radius: 24px;
  padding: 45px 40px;
  text-align: center;
  box-shadow: 0 8px 30px rgba(37, 99, 235, 0.08);
  position: relative;
  overflow: hidden;
}
.exam-intro-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--primary), var(--accent-purple), var(--accent-pink));
}
.exam-intro-card h2 {
  font-size: 24px;
  font-weight: 900;
  margin: 15px 0 10px;
}

/* --- Enhanced Exam Rules --- */
.exam-rules-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 25px 0;
  max-width: 550px;
  margin-left: auto;
  margin-right: auto;
}
.rule-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  background: rgba(37, 99, 235, 0.03);
  border: 1.5px solid rgba(37, 99, 235, 0.1);
  border-radius: 14px;
  font-size: 14px;
  font-weight: 700;
  text-align: right;
  transition: all 0.2s ease;
}
.rule-item:hover {
  background: rgba(37, 99, 235, 0.06);
  transform: translateX(-3px);
}
.rule-item.warning {
  background: rgba(244, 63, 94, 0.04);
  border-color: rgba(244, 63, 94, 0.2);
}
.rule-icon {
  font-size: 22px;
  flex-shrink: 0;
}

/* --- Enhanced Exam Timer --- */
.exam-timer-wrapper {
  background: var(--light-card);
  border: 1.5px solid var(--border);
  border-radius: 16px;
  padding: 16px 24px;
  margin-bottom: 25px;
  box-shadow: 0 2px 12px rgba(37, 99, 235, 0.04);
}
.exam-timer-text-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}
.exam-timer-label {
  font-size: 13px;
  font-weight: 800;
  color: var(--muted);
}
.exam-timer-countdown {
  font-family: var(--font-en);
  font-size: 28px;
  font-weight: 900;
  color: var(--primary);
  letter-spacing: 2px;
}
.exam-timer-progress-bg {
  height: 6px;
  background: var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.exam-timer-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent-purple));
  border-radius: 10px;
  transition: width 1s linear;
  width: 100%;
}

/* --- Enhanced Exam Question Cards --- */
.exam-question-card {
  background: var(--light-card);
  border: 1.5px solid var(--border);
  border-radius: 18px;
  padding: 28px;
  margin-bottom: 20px;
  box-shadow: 0 2px 12px rgba(37, 99, 235, 0.04);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.exam-question-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--primary), var(--accent-purple));
  border-radius: 0 18px 18px 0;
}
.exam-question-card:hover {
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.08);
  border-color: rgba(37, 99, 235, 0.15);
}

/* --- Enhanced Exam Options Grid --- */
.exam-options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 15px;
}
@media (max-width: 576px) {
  .exam-options-grid {
    grid-template-columns: 1fr;
  }
}
.exam-opt-label {
  border: 2px solid var(--border);
  border-radius: 14px;
  padding: 14px 20px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: all 0.25s ease;
  direction: ltr;
  text-align: left;
}
.exam-opt-label:hover {
  background: rgba(37, 99, 235, 0.04);
  border-color: var(--primary);
  transform: translateX(3px);
}
.exam-opt-input:checked + .exam-opt-label {
  border-color: var(--primary);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(139, 92, 246, 0.04));
  color: var(--primary);
  box-shadow: 0 2px 10px rgba(37, 99, 235, 0.12);
}

/* --- True/False Question Style --- */
.exam-tf-grid {
  display: flex;
  gap: 12px;
  margin-top: 12px;
}
.exam-tf-btns {
  display: flex;
  gap: 14px;
  margin-top: 12px;
}
.exam-tf-btn {
  flex: 1;
  padding: 14px 20px;
  border: 2px solid var(--border);
  border-radius: 14px;
  background: var(--light-card);
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.25s ease;
  text-align: center;
}
.exam-tf-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
.exam-tf-btn.tf-true:hover,
.exam-tf-btn.tf-true.active {
  border-color: var(--accent-green);
  background: rgba(16, 185, 129, 0.08);
  color: var(--accent-green);
}
.exam-tf-btn.tf-false:hover,
.exam-tf-btn.tf-false.active {
  border-color: var(--accent-pink);
  background: rgba(244, 63, 94, 0.08);
  color: var(--accent-pink);
}

/* --- Enhanced Exam Grading Card --- */
.exam-grading-card {
  background: var(--light-card);
  border: 2px solid var(--border);
  border-radius: 28px;
  padding: 50px 40px;
  text-align: center;
  box-shadow: 0 10px 40px rgba(37, 99, 235, 0.1);
  animation: fadeIn 0.5s ease-out;
  position: relative;
  overflow: hidden;
}
.exam-grading-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--accent-green), var(--primary), var(--accent-purple));
}
.score-badge {
  font-size: 52px;
  font-weight: 900;
  color: var(--primary);
  margin: 20px 0;
  font-family: var(--font-en);
  text-shadow: 0 2px 10px rgba(37, 99, 235, 0.15);
}

/* --- Enhanced Vocab Cards --- */
.vocab-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 20px;
}
.vocab-card {
  background: var(--light-card);
  border: 1.5px solid var(--border);
  border-radius: 18px;
  padding: 22px;
  box-shadow: 0 2px 12px rgba(37, 99, 235, 0.04);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}
.vocab-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent-purple));
  opacity: 0;
  transition: opacity 0.3s ease;
}
.vocab-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.12);
  border-color: var(--primary);
}
.vocab-card:hover::after {
  opacity: 1;
}

/* --- Enhanced Reading Container --- */
.reading-container {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 25px;
}
@media (max-width: 768px) {
  .reading-container {
    grid-template-columns: 1fr;
  }
}
.reading-main-card {
  background: var(--light-card);
  border: 1.5px solid var(--border);
  border-radius: 22px;
  padding: 30px;
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.05);
  position: relative;
  overflow: hidden;
}
.reading-main-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--secondary), var(--primary));
}
.reading-text-body {
  font-family: var(--font-en);
  font-size: 18px;
  line-height: 2;
  color: var(--text-dark);
  direction: ltr;
  text-align: left;
  margin-top: 20px;
}

/* --- Enhanced Spelling Box --- */
.spelling-box {
  max-width: 520px;
  margin: 30px auto;
  background: var(--light-card);
  border: 2px solid var(--border);
  border-radius: 24px;
  padding: 40px 35px;
  box-shadow: 0 8px 30px rgba(37, 99, 235, 0.08);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.spelling-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent-purple), var(--accent-pink));
}

/* --- Enhanced Homework Wrapper --- */
.homework-wrapper {
  max-width: 850px;
  margin: 0 auto;
}

/* --- Enhanced Study Tab Content Transitions --- */
.study-tab-content {
  display: none;
  animation: fadeIn 0.4s ease-out forwards;
}
.study-tab-content.active {
  display: block;
}

/* --- Exam Question Type Badges --- */
.exam-q-type-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 8px;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.exam-q-type-badge.badge-mcq {
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary);
}
.exam-q-type-badge.badge-blank {
  background: rgba(139, 92, 246, 0.1);
  color: var(--accent-purple);
}
.exam-q-type-badge.badge-vocab {
  background: rgba(13, 148, 136, 0.1);
  color: var(--secondary);
}
.exam-q-type-badge.badge-tf {
  background: rgba(245, 158, 11, 0.1);
  color: var(--accent-orange);
}
.exam-q-type-badge.badge-translate {
  background: rgba(244, 63, 94, 0.1);
  color: var(--accent-pink);
}
.exam-q-type-badge.badge-reading {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-green);
}

/* --- Exam Progress Indicator --- */
.exam-progress-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  padding: 12px 20px;
  background: var(--light-card);
  border: 1.5px solid var(--border);
  border-radius: 12px;
}
.exam-progress-text {
  font-size: 12px;
  font-weight: 800;
  color: var(--muted);
  white-space: nowrap;
}
.exam-progress-track {
  flex: 1;
  height: 8px;
  background: var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.exam-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent-green));
  border-radius: 10px;
  transition: width 0.3s ease;
}

/* --- Enhanced Question Number Circle --- */
.exam-q-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.exam-q-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent-purple));
  color: #fff;
  font-size: 13px;
  font-weight: 900;
  font-family: var(--font-en);
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2);
}

/* --- Enhanced Section Title Bar --- */
.section-title-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding: 16px 24px;
  background: var(--light-card);
  border: 1.5px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 2px 12px rgba(37, 99, 235, 0.04);
}
.section-title-bar h2 {
  font-size: 20px;
  font-weight: 900;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* --- Enhanced Stats Cards --- */
.stat-card {
  background: var(--light-card);
  border: 1.5px solid var(--border);
  border-radius: 18px;
  padding: 22px;
  box-shadow: 0 2px 12px rgba(37, 99, 235, 0.04);
  display: flex;
  align-items: center;
  gap: 15px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}
.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.1);
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 4px;
  height: 100%;
}
.stat-card.blue::before { background: var(--primary); }
.stat-card.teal::before { background: var(--secondary); }
.stat-card.pink::before { background: var(--accent-pink); }
.stat-card.purple::before { background: var(--accent-purple); }

/* --- Enhanced Dashboard Tabs --- */
.dashboard-tabs-bar {
  display: flex;
  gap: 8px;
  background: var(--light-card);
  border: 1.5px solid var(--border);
  border-radius: 16px;
  padding: 8px;
  margin-bottom: 20px;
  overflow-x: auto;
  box-shadow: 0 2px 12px rgba(37, 99, 235, 0.04);
}
.db-tab-btn {
  flex: 1;
  padding: 14px 20px;
  border-radius: 12px;
  text-align: center;
  font-size: 13px;
  font-weight: 800;
  color: var(--text-dark);
  cursor: pointer;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  white-space: nowrap;
}
.db-tab-btn:hover {
  background: rgba(37, 99, 235, 0.04);
  border-color: rgba(37, 99, 235, 0.1);
}
.db-tab-btn.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

/* --- Enhanced Unit Block --- */
.unit-block {
  margin-bottom: 20px;
  background: var(--light-card);
  border: 1.5px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(37, 99, 235, 0.04);
  transition: all 0.3s ease;
}
.unit-block:hover {
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.08);
}
.unit-header {
  padding: 18px 24px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.03), rgba(139, 92, 246, 0.02));
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
  font-weight: 900;
  font-size: 15px;
  border-bottom: 1px solid transparent;
  transition: all 0.3s ease;
}
.unit-header:hover {
  background: rgba(37, 99, 235, 0.06);
}

/* --- Enhanced Lesson Cards --- */
.lesson-card {
  background: var(--light-card);
  border: 1.5px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}
.lesson-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent-purple));
  opacity: 0;
  transition: opacity 0.3s ease;
}
.lesson-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.12);
  border-color: var(--primary);
}
.lesson-card:hover::after {
  opacity: 1;
}

/* --- Enhanced Auth Container --- */
.auth-container {
  max-width: 440px;
  margin: 50px auto;
  background: var(--light-card);
  border: 2px solid var(--border);
  border-radius: 24px;
  padding: 40px;
  box-shadow: 0 10px 40px rgba(37, 99, 235, 0.08);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.auth-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent-purple), var(--accent-pink));
}

/* --- Enhanced Admin Panel --- */
.admin-layout {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 25px;
  margin-top: 20px;
}
.admin-sidebar {
  background: var(--light-card);
  border: 1.5px solid var(--border);
  border-radius: 18px;
  padding: 18px;
  box-shadow: 0 2px 12px rgba(37, 99, 235, 0.04);
  display: flex;
  flex-direction: column;
  gap: 6px;
  height: fit-content;
  position: sticky;
  top: 80px;
}
.admin-side-btn {
  padding: 13px 18px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-dark);
  cursor: pointer;
  transition: all 0.25s ease;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 2px solid transparent;
  background: transparent;
  text-align: right;
}
.admin-side-btn:hover {
  background: rgba(37, 99, 235, 0.04);
  border-color: rgba(37, 99, 235, 0.1);
}
.admin-side-btn.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}
.admin-content-panel {
  background: var(--light-card);
  border: 1.5px solid var(--border);
  border-radius: 22px;
  padding: 30px;
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.05);
}

/* --- Enhanced Leaderboard --- */
.lead-table {
  width: 100%;
  border-collapse: collapse;
  text-align: right;
}
.lead-table th {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.06), rgba(139, 92, 246, 0.03));
  padding: 16px 18px;
  font-size: 13px;
  font-weight: 900;
  color: var(--primary);
  border-bottom: 2px solid var(--border);
}
.lead-table td {
  padding: 16px 18px;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  transition: background 0.2s ease;
}
.lead-table tr:hover td {
  background: rgba(37, 99, 235, 0.02);
}

/* --- Enhanced Landing Hero --- */
.hero-section {
  border-radius: 24px;
  border: 2px solid var(--border);
  overflow: hidden;
  position: relative;
}
.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--primary), var(--accent-purple), var(--accent-pink), var(--accent-orange));
}

/* --- Enhanced Buttons --- */
.btn {
  padding: 12px 24px;
  border-radius: 14px;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 0;
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  transition: width 0.4s ease, height 0.4s ease;
  transform: translate(-50%, -50%);
}
.btn:active::after {
  width: 300px;
  height: 300px;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.35);
}
.btn-secondary {
  background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
  color: #fff;
  box-shadow: 0 4px 15px rgba(13, 148, 136, 0.25);
}
.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(13, 148, 136, 0.35);
}
.btn-outline {
  background: transparent;
  border: 2px solid var(--border);
  color: var(--text-dark);
}
.btn-outline:hover {
  background: rgba(37, 99, 235, 0.04);
  border-color: var(--primary);
  transform: translateY(-2px);
}

/* --- Enhanced Glassmorphism --- */
.glass {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.06);
}

/* --- Enhanced Form Controls --- */
.form-control {
  width: 100%;
  padding: 13px 18px;
  border: 2px solid var(--border);
  border-radius: 14px;
  background-color: var(--light-bg);
  color: var(--text-dark);
  font-family: var(--font-ar);
  font-size: 14px;
  font-weight: 700;
  outline: 0;
  transition: all 0.3s ease;
}
.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
  background-color: var(--light-card);
}

/* --- Smooth Page Transitions --- */
.view-section {
  display: none;
}
.view-section.active {
  display: block;
  animation: fadeIn 0.4s ease-out forwards;
}

/* --- Enhanced App Header --- */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 28px;
  box-shadow: 0 2px 20px rgba(37, 99, 235, 0.06);
  border-bottom: 1.5px solid var(--border);
}

/* --- Pulse Dot Animation --- */
@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}
.pulse-dot {
  animation: pulseDot 2s infinite ease-in-out;
}

/* --- Enhanced Modal --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(8px);
  z-index: 500;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.modal-overlay.active {
  display: flex;
  animation: fadeIn 0.3s ease-out;
}
.modal-content {
  background: var(--light-card);
  border-radius: 24px;
  max-width: 520px;
  width: 100%;
  padding: 35px;
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.2);
  border: 2px solid var(--border);
  position: relative;
  animation: slideIn 0.3s ease-out;
}

/* --- Enhanced Certificates --- */
.certificate-card {
  background: var(--light-card);
  border: 1.5px solid var(--border);
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 2px 12px rgba(37, 99, 235, 0.04);
  text-align: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.certificate-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.12);
}

/* --- Reading Tab Enhanced --- */
.vocab-keyword {
  color: var(--primary);
  font-weight: 900;
  border-bottom: 2px dashed var(--primary);
  cursor: pointer;
  position: relative;
  display: inline-block;
  transition: all 0.2s ease;
  padding: 0 2px;
  border-radius: 2px;
}
.vocab-keyword:hover {
  background: rgba(37, 99, 235, 0.08);
}
.keyword-tooltip {
  display: none;
  position: absolute;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--dark-bg);
  color: #fff;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 12px;
  white-space: nowrap;
  z-index: 100;
  box-shadow: 0 8px 25px rgba(0,0,0,0.2);
  font-weight: 700;
  direction: rtl;
}
.vocab-keyword:hover .keyword-tooltip {
  display: block;
}

/* --- Enhanced Question Card Types --- */
.exam-q-text {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 15px;
  direction: ltr;
  text-align: left;
  line-height: 1.5;
  padding-right: 45px;
}
.exam-q-text.ar-dir {
  direction: rtl;
  text-align: right;
  padding-right: 0;
  padding-left: 0;
}

/* --- Enhanced Badges Grid --- */
.badges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 15px;
  margin-top: 15px;
}
.badge-item {
  background: var(--light-card);
  border: 1.5px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  text-align: center;
  transition: all 0.3s ease;
}
.badge-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.08);
}

/* --- Enhanced Main Wrapper --- */
.main-wrapper {
  max-width: 1250px;
  margin: 0 auto;
  padding: 24px 20px 80px 20px;
}

/* --- Keyboard Shortcuts Hint --- */
.shortcut-hint {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  font-weight: 800;
  color: var(--muted);
  background: var(--light-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 8px;
  font-family: var(--font-en);
}

/* --- Confetti Animation (for exam success) --- */
@keyframes confettiFall {
  0% { transform: translateY(-100vh) rotate(0deg); opacity: 1; }
  100% { transform: translateY(100vh) rotate(720deg); opacity: 0; }
}
.confetti-piece {
  position: fixed;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  animation: confettiFall 3s ease-out forwards;
  z-index: 9999;
  pointer-events: none;
}

/* --- 2026 Professional Learning Journey Redesign --- */
body {
  background:
    radial-gradient(circle at 88% 8%, rgba(13, 148, 136, 0.10), transparent 28%),
    linear-gradient(180deg, #f7fbff 0%, #f8fafc 46%, #eef6f4 100%);
}

body.dark-theme {
  background:
    radial-gradient(circle at 88% 8%, rgba(20, 184, 166, 0.12), transparent 28%),
    linear-gradient(180deg, #08111f 0%, #0b1220 52%, #101827 100%);
}

.journey-command-center {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(280px, 0.9fr);
  gap: 22px;
  margin: 0 0 24px;
  padding: 26px;
  border: 1px solid rgba(37, 99, 235, 0.14);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(240, 249, 255, 0.92)),
    linear-gradient(90deg, rgba(37, 99, 235, 0.08), rgba(13, 148, 136, 0.08));
  box-shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
  overflow: hidden;
  position: relative;
}

body.dark-theme .journey-command-center {
  background: linear-gradient(135deg, rgba(21, 31, 50, 0.98), rgba(15, 23, 42, 0.96));
  border-color: rgba(148, 163, 184, 0.16);
}

.journey-command-center::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  top: 0;
  width: 7px;
  height: 100%;
  background: linear-gradient(180deg, var(--primary), var(--secondary), var(--accent-orange));
}

.journey-copy {
  position: relative;
  z-index: 1;
}

.journey-label {
  display: inline-flex;
  color: var(--secondary-dark);
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.journey-copy h2 {
  margin: 0;
  max-width: 760px;
  color: var(--text-dark);
  font-size: 28px;
  font-weight: 950;
  line-height: 1.32;
}

.journey-copy p {
  max-width: 760px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 750;
  line-height: 1.85;
}

.journey-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.journey-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  align-self: center;
}

.journey-stat {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
}

body.dark-theme .journey-stat {
  background: rgba(15, 23, 42, 0.52);
  border-color: rgba(148, 163, 184, 0.16);
}

.journey-stat strong {
  color: var(--primary);
  font-family: var(--font-en);
  font-size: 24px;
  font-weight: 950;
}

.journey-stat span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
}

.unit-accordion-card {
  border-radius: 8px !important;
  border: 1px solid rgba(226, 232, 240, 0.95) !important;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.05) !important;
  overflow: hidden;
}

.unit-accordion-header {
  background: linear-gradient(90deg, rgba(37, 99, 235, 0.07), rgba(13, 148, 136, 0.06)) !important;
  padding: 16px 18px !important;
}

.unit-lessons-grid {
  grid-template-columns: repeat(auto-fill, minmax(315px, 1fr)) !important;
}

.lesson-card {
  border-radius: 8px !important;
  padding: 18px !important;
  border: 1px solid rgba(203, 213, 225, 0.9) !important;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.96)) !important;
  min-height: 230px;
}

.lesson-card::after {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  bottom: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 0.85;
}

body.dark-theme .lesson-card {
  background: linear-gradient(180deg, rgba(21, 31, 50, 0.98), rgba(15, 23, 42, 0.94)) !important;
  border-color: rgba(148, 163, 184, 0.18) !important;
}

.lesson-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 18px 42px rgba(37, 99, 235, 0.13) !important;
}

.lesson-card-exam-badge,
.lesson-card-practice-badge {
  align-self: flex-start;
  margin: -2px 0 10px;
  padding: 5px 9px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 900;
}

.lesson-card-exam-badge {
  color: #9a3412;
  background: rgba(245, 158, 11, 0.13);
  border: 1px solid rgba(245, 158, 11, 0.25);
}

.lesson-card-practice-badge {
  color: #0f766e;
  background: rgba(13, 148, 136, 0.10);
  border: 1px solid rgba(13, 148, 136, 0.20);
}

.lesson-learning-track {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
  margin: 12px 0 2px;
}

.lesson-learning-track span {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 5px 4px;
  border-radius: 6px;
  color: var(--text-dark);
  background: rgba(37, 99, 235, 0.055);
  border: 1px solid rgba(37, 99, 235, 0.10);
  font-size: 10.5px;
  font-weight: 900;
  line-height: 1.25;
}

.study-room-header {
  border-radius: 8px !important;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.97), rgba(240, 253, 250, 0.94)) !important;
  border-color: rgba(13, 148, 136, 0.16) !important;
}

body.dark-theme .study-room-header {
  background: linear-gradient(135deg, rgba(21, 31, 50, 0.98), rgba(15, 23, 42, 0.96)) !important;
}

.study-tabs-container {
  border-radius: 8px !important;
  padding: 8px !important;
  gap: 8px !important;
}

.study-tab {
  border-radius: 6px !important;
  font-weight: 900 !important;
}

.exam-intro-card,
.exam-question-card,
.homework-card,
.gx-lesson-header,
.gx-practice-section,
.gx-card {
  border-radius: 8px !important;
}

@media (max-width: 850px) {
  .journey-command-center {
    grid-template-columns: 1fr;
    padding: 22px 18px;
  }

  .journey-copy h2 {
    font-size: 23px;
  }

  .lesson-learning-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Antigravity Upgrade Utilities */
.flex-between-center {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.flex-align-center {
  display: flex;
  align-items: center;
  gap: 8px;
}

.text-muted-sm {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 20px;
}

.guide-box-premium {
  background: rgba(37, 99, 235, 0.05);
  border: 1.5px dashed var(--primary);
  padding: 15px;
  border-radius: 12px;
  font-size: 13.5px;
  line-height: 1.6;
}

/* Connection Status Warning Bar & Badges */
.offline-warning-bar {
  background: linear-gradient(90deg, #ea580c, #f97316);
  color: white;
  text-align: center;
  padding: 8px 15px;
  font-size: 12px;
  font-weight: 800;
  display: none;
  align-items: center;
  justify-content: center;
  gap: 8px;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  border-bottom: 1.5px solid rgba(255,255,255,0.1);
}

.offline-warning-bar a {
  color: #fff;
  text-decoration: underline;
  margin-right: 5px;
  font-weight: 900;
}

.connection-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 800;
}

.connection-badge.local {
  background: rgba(249, 115, 22, 0.1);
  color: var(--accent-orange);
  border: 1px solid var(--accent-orange);
}

.connection-badge.cloud {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-green);
  border: 1px solid var(--accent-green);
}

/* Bulk WhatsApp Progress & Status Styles */
.wa-bulk-progress-container {
  margin: 15px 0;
  background: var(--border);
  border-radius: 8px;
  height: 8px;
  overflow: hidden;
  display: none;
}

.wa-bulk-progress-fill {
  height: 100%;
  width: 0%;
  background: var(--accent-green);
  transition: width 0.3s ease;
}

.wa-status-badge {
  font-size: 10.5px;
  font-weight: 900;
  padding: 2px 6px;
  border-radius: 4px;
}

.wa-status-badge.pending {
  background: rgba(100, 116, 139, 0.1);
  color: #64748b;
}

.wa-status-badge.sending {
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary);
  animation: pulse 1.5s infinite;
}

.wa-status-badge.success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-green);
}

.wa-status-badge.failed {
  background: rgba(244, 63, 94, 0.1);
  color: var(--accent-pink);
}

@keyframes pulse {
  0% { opacity: 0.6; }
  50% { opacity: 1; }
  100% { opacity: 0.6; }
}