/* ==========================================================================
   TURKUAZ ACADEMY - DESIGN SYSTEM & STYLES
   ========================================================================== */

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

:root {
  /* Font Families */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Outfit', var(--font-sans);

  /* Light Theme Color System (Default) */
  --bg-primary-light: #ffffff;
  --bg-secondary-light: #ffffff;
  --bg-tertiary-light: #f1f5f9;
  
  --text-primary-light: #0f172a;
  --text-secondary-light: #334155;
  --text-muted-light: #64748b;
  
  --primary-light: #0b8289;
  --primary-hover-light: #08666c;
  --primary-rgb-light: 11, 130, 137;
  
  --accent-light: #14b8a6;
  --accent-hover-light: #0f766e;
  
  --success-light: #10b981;
  --warning-light: #f59e0b;
  --danger-light: #ef4444;
  --info-light: #3b82f6;

  --border-light: #e2e8f0;
  --border-glass-light: rgba(255, 255, 255, 0.8);
  --shadow-light: 0 4px 6px -1px rgba(0,0,0,0.03), 0 2px 4px -2px rgba(0,0,0,0.03);
  --shadow-hover-light: 0 10px 15px -3px rgba(0,0,0,0.05), 0 4px 6px -4px rgba(0,0,0,0.05);

  /* Dark Theme Color System */
  --bg-primary-dark: #070e0f;
  --bg-secondary-dark: #0e1a1b;
  --bg-tertiary-dark: #142729;
  
  --text-primary-dark: #f0f5f6;
  --text-secondary-dark: #a2b8ba;
  --text-muted-dark: #637b7d;
  
  --primary-dark: #00c2cf;
  --primary-hover-dark: #33ced9;
  --primary-rgb-dark: 0, 194, 207;
  
  --accent-dark: #00828a;
  --accent-hover-dark: #00696f;
  
  --success-dark: #10b981;
  --warning-dark: #f59e0b;
  --danger-dark: #ef4444;
  --info-dark: #3b82f6;

  --border-dark: rgba(255, 255, 255, 0.05);
  --border-glass-dark: rgba(0, 0, 0, 0.2);
  --shadow-dark: 0 4px 30px rgba(0, 0, 0, 0.2);
  --shadow-hover-dark: 0 10px 40px rgba(0, 0, 0, 0.4);

  /* Theme-Indepedent Constants */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 30px;
  
  --transition-fast: 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Fallback variable bindings based on dynamic dataset attribute */
:root, [data-theme="light"] {
  --bg-primary: var(--bg-primary-light);
  --bg-secondary: var(--bg-secondary-light);
  --bg-tertiary: var(--bg-tertiary-light);
  --text-primary: var(--text-primary-light);
  --text-secondary: var(--text-secondary-light);
  --text-muted: var(--text-muted-light);
  --primary: var(--primary-light);
  --primary-hover: var(--primary-hover-light);
  --primary-rgb: var(--primary-rgb-light);
  --accent: var(--accent-light);
  --accent-hover: var(--accent-hover-light);
  --success: var(--success-light);
  --warning: var(--warning-light);
  --danger: var(--danger-light);
  --info: var(--info-light);
  --border: var(--border-light);
  --border-glass: var(--border-glass-light);
  --shadow: var(--shadow-light);
  --shadow-hover: var(--shadow-hover-light);
  color-scheme: light;
}

[data-theme="dark"] {
  --bg-primary: var(--bg-primary-dark);
  --bg-secondary: var(--bg-secondary-dark);
  --bg-tertiary: var(--bg-tertiary-dark);
  --text-primary: var(--text-primary-dark);
  --text-secondary: var(--text-secondary-dark);
  --text-muted: var(--text-muted-dark);
  --primary: var(--primary-dark);
  --primary-hover: var(--primary-hover-dark);
  --primary-rgb: var(--primary-rgb-dark);
  --accent: var(--accent-dark);
  --accent-hover: var(--accent-hover-dark);
  --success: var(--success-dark);
  --warning: var(--warning-dark);
  --danger: var(--danger-dark);
  --info: var(--info-dark);
  --border: var(--border-dark);
  --border-glass: var(--border-glass-dark);
  --shadow: var(--shadow-dark);
  --shadow-hover: var(--shadow-hover-dark);
  color-scheme: dark;
}

/* ==========================================================================
   BASE & RESET
   ========================================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  overflow-x: hidden;
  margin: 0;
  padding: 0;
  
  /* Native Fixed Background Image with Tint */
  background-image: linear-gradient(rgba(230, 244, 245, 0.75), rgba(230, 244, 245, 0.75)), url('../assets/success_bg.webp');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  background-repeat: no-repeat;
  background-color: var(--bg-primary);
}

[data-theme="dark"] body {
  background-image: linear-gradient(rgba(11, 26, 28, 0.9), rgba(11, 26, 28, 0.9)), url('../assets/success_bg.webp');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  background-repeat: no-repeat;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--text-primary);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--primary-hover);
}

/* Custom Scrollbar */
scrollbar-color: rgba(var(--primary-rgb), 0.3) var(--bg-primary);

@supports not (scrollbar-color: auto) {
  ::-webkit-scrollbar {
    width: 8px;
    height: 8px;
  }
  ::-webkit-scrollbar-track {
    background: var(--bg-primary);
  }
  ::-webkit-scrollbar-thumb {
    background: rgba(var(--primary-rgb), 0.3);
    border-radius: 4px;
  }
  ::-webkit-scrollbar-thumb:hover {
    background: rgba(var(--primary-rgb), 0.6);
  }
}

/* ==========================================================================
   GLASSMORPHISM & PREMIUM UTILITIES
   ========================================================================== */
.glass-panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.glass-panel:hover {
  box-shadow: var(--shadow-hover);
}

[data-theme="dark"] .glass-panel,
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .glass-panel {
    background: rgba(14, 26, 27, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.05);
  }
}

[data-theme="light"] .glass-panel {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(0, 130, 138, 0.06);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  gap: 8px;
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
}
.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
}
.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  background-color: var(--border);
  transform: translateY(-1px);
}

.btn-accent {
  background-color: var(--accent);
  color: #ffffff;
}
.btn-accent:hover {
  background-color: var(--accent-hover);
  transform: translateY(-1px);
}

.btn-danger {
  background-color: var(--danger);
  color: #ffffff;
}
.btn-danger:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

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

/* Floating Switcher & Controls */
.role-switcher-container {
  display: flex;
  align-items: center;
  background: rgba(var(--primary-rgb), 0.1);
  border: 1px solid rgba(var(--primary-rgb), 0.15);
  border-radius: var(--radius-sm);
  padding: 4px;
  gap: 4px;
}

.role-btn {
  padding: 6px 12px;
  border-radius: 6px;
  border: none;
  font-size: 0.8rem;
  font-weight: 600;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.role-btn.active {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 2px 10px rgba(var(--primary-rgb), 0.2);
}

/* ==========================================================================
   LAYOUT SHELL
   ========================================================================== */
#app-shell {
  display: grid;
  grid-template-rows: 112px 1fr;
  min-height: 100vh;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 40px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

[data-theme="dark"] header {
  background: rgba(14, 26, 27, 0.85);
}
[data-theme="light"] header {
  background: rgba(255, 255, 255, 0.85);
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-section img {
  height: 80px;
  width: auto;
}

.logo-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Language and theme buttons */
.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.icon-btn:hover {
  background: var(--border);
  transform: scale(1.05);
}

.user-profile-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}
.user-profile-menu:hover {
  background: var(--bg-tertiary);
}

.avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 0 10px rgba(var(--primary-rgb), 0.2);
}

/* Main Content Panel */
main {
  padding: 40px;
  max-width: 1600px;
  width: 100%;
  margin: 0 auto;
}

.view-section {
  display: none;
  animation: fadeIn var(--transition-normal) forwards;
}

.view-section.active {
  display: block;
}

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

/* ==========================================================================
   AUTHENTICATION PAGE (Premium Onboarding)
   ========================================================================== */
.auth-container {
  max-width: 520px;
  margin: 40px auto;
  padding: 40px;
  border-radius: var(--radius-lg);
}

.auth-header {
  text-align: center;
  margin-bottom: 30px;
}

.auth-header h2 {
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-secondary);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.15);
  background: var(--bg-secondary);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.auth-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   STUDENT DASHBOARD
   ========================================================================== */
.dashboard-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 30px;
}

@media (max-width: 1024px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

.welcome-banner {
  background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.9), rgba(0, 194, 207, 0.7));
  border-radius: var(--radius-lg);
  padding: 30px 40px;
  color: #ffffff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 35px;
  margin-bottom: 30px;
  position: relative;
  overflow: hidden;
}

.welcome-text h2 {
  font-size: 2rem;
  color: #ffffff;
  margin-bottom: 8px;
}

.welcome-text p {
  opacity: 0.9;
  font-size: 1.05rem;
}

.welcome-stats {
  display: flex;
  gap: 20px;
}

.welcome-stat-item {
  background: rgba(255, 255, 255, 0.9) !important; /* 90% opacity white, 10% transparent */
  padding: 15px 20px;
  border-radius: var(--radius-md);
  text-align: center;
  min-width: 100px;
  border: 1px solid rgba(255, 255, 255, 0.8) !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08) !important;
  transition: transform 0.2s;
}

.welcome-stat-item:hover {
  transform: translateY(-2px);
}

.welcome-stat-val {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: #c5a028 !important; /* Premium dark gold for perfect contrast on white background */
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.05);
}

.welcome-stat-lbl {
  font-size: 0.75rem;
  color: #4b5563 !important; /* Dark grey for high legibility */
  opacity: 1 !important;
  font-weight: 600 !important;
  margin-top: 4px;
}

/* Continue Learning Section */
.section-title {
  font-size: 1.4rem;
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.section-link {
  font-size: 0.85rem;
  font-weight: 600;
}

.continue-card {
  display: flex;
  gap: 24px;
  padding: 24px;
  margin-bottom: 30px;
  align-items: center;
}

.continue-card-img {
  width: 120px;
  height: 80px;
  border-radius: var(--radius-sm);
  background-color: var(--primary);
  background-size: cover;
  background-position: center;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1.8rem;
  box-shadow: var(--shadow);
}

.continue-card-info {
  flex-grow: 1;
}

.continue-card-cat {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 4px;
}

.continue-card-title {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.progress-bar-container {
  background: var(--bg-tertiary);
  height: 8px;
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 8px;
}

.progress-bar-fill {
  background: linear-gradient(90deg, var(--primary), var(--accent));
  height: 100%;
  border-radius: 4px;
  transition: width var(--transition-slow);
}

.progress-bar-lbl {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Course Cards Grid */
.course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}

.course-card {
  display: flex;
  flex-direction: column;
  padding: 16px;
  height: 100%;
  cursor: pointer;
}

.course-card-banner {
  height: 160px;
  border-radius: var(--radius-sm);
  background: var(--primary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: #ffffff;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.course-card-banner::after {
  content: '';
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(0, 0, 0, 0.4));
}

.course-card-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(0, 0, 0, 0.6);
  color: #ffffff;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 700;
  z-index: 2;
  backdrop-filter: blur(4px);
}

.course-card-content {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.course-card-cat {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 6px;
}

.course-card-title {
  font-size: 1.05rem;
  margin-bottom: 12px;
  line-height: 1.4;
  height: 44px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.course-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Sidebar Info Blocks */
.sidebar-panel {
  padding: 24px;
  margin-bottom: 24px;
}

.panel-title {
  font-size: 1.15rem;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 10px;
}

.leaderboard-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.leaderboard-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
}

.leaderboard-item.me {
  background: rgba(var(--primary-rgb), 0.08);
  border-color: rgba(var(--primary-rgb), 0.3);
}

.rank-badge {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
  flex-shrink: 0;
}

.leaderboard-item:nth-child(1) .rank-badge { background: #ffd700; color: #000; }
.leaderboard-item:nth-child(2) .rank-badge { background: #c0c0c0; color: #000; }
.leaderboard-item:nth-child(3) .rank-badge { background: #cd7f32; color: #000; }

.leaderboard-name {
  flex-grow: 1;
  font-weight: 500;
  font-size: 0.85rem;
}

.leaderboard-xp {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
}

/* Achievements List */
.achievements-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.achievement-badge {
  text-align: center;
  cursor: pointer;
}

.badge-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto 6px auto;
  transition: transform var(--transition-fast);
  filter: grayscale(1);
  opacity: 0.4;
}

.achievement-badge.unlocked .badge-icon {
  filter: none;
  opacity: 1;
  background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.2), rgba(0, 194, 207, 0.2));
  border-color: var(--primary);
  box-shadow: 0 4px 10px rgba(var(--primary-rgb), 0.15);
}

.achievement-badge:hover .badge-icon {
  transform: scale(1.1) rotate(5deg);
}

.badge-lbl {
  font-size: 0.65rem;
  font-weight: 600;
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ==========================================================================
   COURSE LEARNING PLAYER VIEW
   ========================================================================== */
.player-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 30px;
  align-items: start;
}

@media (max-width: 900px) {
  .player-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .syllabus-steps {
    display: none !important;
  }
  .syllabus-sidebar {
    position: static !important;
    padding: 12px 16px !important;
    margin-bottom: -15px !important;
  }
  .syllabus-course-info {
    margin-bottom: 0 !important;
    padding-bottom: 0 !important;
    border-bottom: none !important;
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 12px !important;
  }
  #player-btn-close {
    width: auto !important;
    margin-bottom: 0 !important;
    order: 2 !important;
    padding: 6px 12px !important;
  }
  .syllabus-course-info span,
  .syllabus-course-info h3 {
    margin: 0 !important;
  }
  .syllabus-course-info h3 {
    font-size: 1rem !important;
  }
}

.syllabus-sidebar {
  padding: 20px;
  position: sticky;
  top: 92px;
}

.syllabus-course-info {
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.syllabus-course-title {
  font-size: 1.1rem;
  margin-top: 4px;
}

.syllabus-steps {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.step-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.step-item.active {
  background: rgba(var(--primary-rgb), 0.08);
  border-color: var(--primary);
  font-weight: 600;
}

.step-item.locked {
  opacity: 0.5;
  cursor: not-allowed;
}

.step-indicator {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.step-item.completed .step-indicator {
  background: var(--success);
  color: #ffffff;
}

.step-item.active .step-indicator {
  background: var(--primary);
  color: #ffffff;
}

.step-title {
  font-size: 0.85rem;
  flex-grow: 1;
}

.step-lock-icon {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Player Content Workspace */
.player-viewport {
  padding: 30px;
  min-height: 500px;
}

.player-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
  padding-bottom: 20px;
  margin-bottom: 24px;
}

.player-subtitle {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--primary);
}

/* Custom HTML5 Video Player Container */
.video-wrapper {
  position: relative;
  background: #000;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  margin-bottom: 24px;
}

.video-wrapper video {
  width: 100%;
  display: block;
  aspect-ratio: 16/9;
}

/* Custom overlay warning for fast-forward attempts */
.video-warning-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  padding: 30px;
  z-index: 10;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
  text-align: center;
}

.video-warning-overlay.show {
  opacity: 1;
  pointer-events: auto;
}

.video-warning-icon {
  font-size: 3rem;
  color: var(--warning);
  margin-bottom: 12px;
}

/* PDF Learning Panel */
.pdf-viewer-panel {
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-tertiary);
  padding: 20px;
  margin-bottom: 24px;
}

.pdf-mock-frame {
  height: 450px;
  background: var(--bg-secondary);
  border-radius: 4px;
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  box-shadow: inset 0 2px 8px rgba(0,0,0,0.05);
  overflow-y: scroll;
}

.pdf-header-bar {
  display: flex;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-tertiary);
  font-size: 0.85rem;
}

.pdf-page-sim {
  padding: 40px;
  max-width: 600px;
  margin: 20px auto;
  background: #ffffff;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
  color: #333333;
}

.pdf-page-sim p {
  margin-bottom: 16px;
  font-size: 0.95rem;
  line-height: 1.7;
}

.pdf-page-sim h1, .pdf-page-sim h2, .pdf-page-sim h3, .pdf-page-sim h4, .pdf-page-sim h5, .pdf-page-sim h6 {
  color: #0b8289;
  font-weight: 700;
  margin-top: 10px;
  margin-bottom: 18px;
}
.pdf-page-sim h4 {
  font-size: 1.35rem;
  line-height: 1.4;
}

.pdf-scroll-indicator {
  text-align: center;
  padding: 12px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Summary Card */
.summary-container {
  font-size: 1.05rem;
  line-height: 1.7;
}

.summary-bullet {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

.summary-bullet-icon {
  color: var(--primary);
  font-size: 1.2rem;
  flex-shrink: 0;
}

/* ==========================================================================
   QUIZ ENGINE
   ========================================================================== */
.quiz-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-tertiary);
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
  border: 1px solid var(--border);
}

.quiz-timer {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--danger);
  display: flex;
  align-items: center;
  gap: 6px;
}

.question-card {
  padding: 30px;
  border-radius: var(--radius-md);
  margin-bottom: 24px;
}

.question-text {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.options-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.option-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.option-item:hover {
  border-color: var(--primary);
  background: rgba(var(--primary-rgb), 0.04);
}

.option-item.selected {
  border-color: var(--primary);
  background: rgba(var(--primary-rgb), 0.08);
  box-shadow: inset 0 0 0 1px var(--primary);
}

.option-check {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.option-item.selected .option-check {
  border-color: var(--primary);
  background: var(--primary);
}

.option-check::after {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #ffffff;
  display: none;
}

.option-item.selected .option-check::after {
  display: block;
}

.quiz-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.quiz-locked-view {
  text-align: center;
  padding: 40px;
}

.quiz-locked-icon {
  font-size: 4rem;
  color: var(--danger);
  margin-bottom: 16px;
}

.quiz-lock-timer {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 16px 0;
  color: var(--primary);
}

/* Matching Question Style */
.matching-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.matching-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.matching-card {
  padding: 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: grab;
  font-size: 0.9rem;
}

/* Drag Drop Ordering style */
.sortable-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sortable-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: grab;
}

/* ==========================================================================
   CERTIFICATES & VERIFICATION
   ========================================================================== */
.certificate-preview-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  padding: 24px;
}

.certificate-svg-wrapper {
  width: 100%;
  max-width: 800px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-hover);
  border: 1px solid var(--border);
  background: #ffffff;
  overflow: hidden;
}

.certificate-svg-wrapper svg {
  width: 100%;
  height: auto;
  display: block;
}

.cert-verification-container {
  max-width: 600px;
  margin: 40px auto;
  padding: 30px;
  text-align: center;
}

/* ==========================================================================
   ADMIN DASHBOARD & COURSE BUILDER
   ========================================================================== */
.admin-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 30px;
}

@media (max-width: 768px) {
  .admin-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.stat-card {
  padding: 20px;
}

.stat-card-title {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 700;
  margin-bottom: 8px;
}

.stat-card-value {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-card-change {
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 6px;
}

.stat-card-change.up { color: var(--success); }
.stat-card-change.down { color: var(--danger); }

/* Charts container */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin-bottom: 40px;
}

@media (max-width: 900px) {
  .charts-grid {
    grid-template-columns: 1fr;
  }
}

.chart-card {
  padding: 24px;
  min-height: 320px;
  display: flex;
  flex-direction: column;
}

.chart-canvas-sim {
  flex-grow: 1;
  display: flex;
  align-items: flex-end;
  gap: 14px;
  padding-top: 20px;
  height: 200px;
}

.chart-bar-col {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  height: 100%;
  justify-content: flex-end;
}

.chart-bar {
  width: 100%;
  background: linear-gradient(180deg, var(--accent), var(--primary));
  border-radius: 4px 4px 0 0;
  min-height: 5px;
  transition: height var(--transition-slow);
  position: relative;
}

.chart-bar:hover::after {
  content: attr(data-value);
  position: absolute;
  top: -26px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--text-primary);
  color: var(--bg-secondary);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  white-space: nowrap;
}

.chart-bar-lbl {
  font-size: 0.7rem;
  color: var(--text-secondary);
  text-align: center;
}

/* User Table */
.table-panel {
  padding: 24px;
  margin-bottom: 30px;
}

.table-wrapper {
  overflow-x: auto;
  margin-top: 16px;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.admin-table th {
  padding: 12px 16px;
  border-bottom: 2px solid var(--border);
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 700;
}

.admin-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}

.admin-table tr:hover {
  background: rgba(var(--primary-rgb), 0.02);
}

.role-tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
}

.role-tag.admin { background: rgba(59, 130, 246, 0.15); color: #3b82f6; }
.role-tag.instructor { background: rgba(16, 185, 129, 0.15); color: #10b981; }
.role-tag.leader { background: rgba(245, 158, 11, 0.15); color: #f59e0b; }
.role-tag.student { background: rgba(107, 114, 128, 0.15); color: var(--text-secondary); }

/* Course Builder UI */
.builder-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 30px;
  margin-top: 20px;
}

.builder-sidebar {
  padding: 20px;
}

.builder-canvas {
  padding: 24px;
}

.builder-course-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.builder-course-item {
  padding: 12px;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  cursor: pointer;
  font-size: 0.85rem;
}

.builder-course-item.active {
  border-color: var(--primary);
  background: rgba(var(--primary-rgb), 0.05);
}

.builder-module-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  background: var(--bg-secondary);
  overflow: hidden;
}

.builder-module-header {
  padding: 16px 20px;
  background: var(--bg-tertiary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
}

.builder-lessons-container {
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.builder-lesson-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--bg-tertiary);
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   TEAM LEADER DASHBOARD
   ========================================================================== */
.team-summary-banner {
  padding: 24px;
  margin-bottom: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ==========================================================================
   TOAST NOTIFICATIONS DRAWER
   ========================================================================== */
#toast-container {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 12px;
  pointer-events: none;
}

.toast {
  width: 320px;
  padding: 16px;
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-left: 4px solid var(--primary);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  display: flex;
  gap: 12px;
  pointer-events: auto;
  animation: slideIn var(--transition-normal) forwards;
}

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

.toast-content {
  flex-grow: 1;
}

.toast-title {
  font-weight: 600;
  font-size: 0.85rem;
}

.toast-message {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.toast-close {
  cursor: pointer;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.toast.success { border-left-color: var(--success); }
.toast.warning { border-left-color: var(--warning); }
.toast.danger { border-left-color: var(--danger); }
.toast.info { border-left-color: var(--info); }

/* Sliding Pill Theme Switcher Styles */
.theme-switch-wrapper {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 6px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  user-select: none;
  transition: all var(--transition-fast);
}

.theme-switch-wrapper:hover {
  border-color: var(--primary);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.theme-switch-track {
  width: 36px;
  height: 18px;
  background: var(--border);
  border-radius: 9px;
  position: relative;
  transition: background var(--transition-normal);
}

.theme-switch-knob {
  width: 14px;
  height: 14px;
  background: #ffffff;
  border-radius: 50%;
  position: absolute;
  top: 2px;
  left: 2px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.15);
  transition: transform var(--transition-normal);
}

/* When dark mode is active */
[data-theme="dark"] .theme-switch-track {
  background: var(--primary);
}

[data-theme="dark"] .theme-switch-knob {
  transform: translateX(18px);
}

.theme-switch-icon {
  font-size: 0.85rem;
}



/* Center Onboarding Wrappers */
.auth-center-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  padding: 40px 0;
  animation: fadeIn var(--transition-normal) forwards;
}

#auth-view.active {
  min-height: calc(100vh - 192px);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Auth Card Centered Logo & Page Background sepia-turquoise */
.auth-card-logo {
  display: flex;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--primary); /* same color as button */
}
.auth-card-logo svg {
  width: 48px; /* 70% smaller than 160px */
  height: 48px;
}



/* Navigation Menu Redesign (Visual Match) */
.header-nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin: 0 auto;
  padding: 0;
}

.header-nav-link {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #64748b; /* Slate-500 */
  cursor: pointer;
  position: relative;
  padding: 8px 0;
  transition: color var(--transition-fast);
}

[data-theme="dark"] .header-nav-link {
  color: #94a3b8;
}

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

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

.header-nav-link.active::after {
  content: "";
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--primary);
  border-radius: 2px;
}

/* Language Flags Pill Container (Visual Match) */
.lang-pill-container {
  display: inline-flex;
  background: #f1f5f9; /* Slate-100 */
  border: 1px solid #e2e8f0;
  border-radius: 50px;
  padding: 4px;
  gap: 2px;
  align-items: center;
  transition: background var(--transition-normal), border-color var(--transition-normal);
}

[data-theme="dark"] .lang-pill-container {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
}

.lang-pill-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: none;
  padding: 6px 12px;
  border-radius: 50px;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  color: #64748b;
  cursor: pointer;
  transition: all var(--transition-fast);
}

[data-theme="dark"] .lang-pill-btn {
  color: #94a3b8;
}

.lang-pill-btn img {
  width: 16px;
  height: 12px;
  border-radius: 2px;
  object-fit: cover;
}

.lang-pill-btn.active {
  background: #ffffff;
  color: #0f172a;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .lang-pill-btn.active {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Sized-Down Theme Switcher (Visual Match) */
.theme-switch-wrapper {
  transform: scale(0.75); /* 25% smaller */
  transform-origin: center;
  margin-left: 8px;
}

/* ==========================================================================
   MOBILE & TABLET RESPONSIVENESS OVERRIDES
   ========================================================================== */

@media (max-width: 900px) {
  #app-shell {
    grid-template-rows: auto 1fr;
  }
  
  header {
    padding: 12px 16px;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: space-between;
  }

  .logo-section img {
    height: 48px;
  }

  .header-nav-menu {
    order: 3;
    width: 100%;
    justify-content: center;
    gap: 6px;
    border-top: 1px solid var(--border);
    padding: 8px 0;
    margin-top: 8px;
  }

  .header-nav-link {
    font-size: 0.75rem;
    padding: 6px 12px;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    transition: all 0.2s ease;
  }

  [data-theme="light"] .header-nav-link {
    background: rgba(0, 0, 0, 0.02);
  }

  .header-nav-link.active {
    background: var(--primary) !important;
    color: #ffffff !important;
    border-color: var(--primary);
  }

  .nav-actions {
    order: 2;
    gap: 8px;
  }
  
  .role-switcher-container {
    display: none !important; /* Hide developer switcher on mobile viewports */
  }

  main {
    padding: 16px;
  }

  .syllabus-sidebar {
    position: static;
    margin-bottom: 20px;
  }
}

@media (max-width: 768px) {
  .welcome-banner {
    flex-direction: column !important;
    align-items: stretch !important;
    padding: 20px !important;
    text-align: left !important;
    gap: 16px !important;
  }

  .welcome-text h2 {
    font-size: 1.4rem !important;
    line-height: 1.3 !important;
    margin-bottom: 4px !important;
  }

  .welcome-text p {
    font-size: 0.85rem !important;
  }

  .welcome-stats {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px !important;
    width: 100% !important;
  }

  .welcome-stat-item {
    min-width: unset !important;
    padding: 10px !important;
  }

  .welcome-stat-val {
    font-size: 1.25rem !important;
  }

  .welcome-stat-lbl {
    font-size: 0.7rem !important;
  }
}

@media (max-width: 576px) {
  .auth-container {
    padding: 24px 16px;
    margin: 16px auto;
    border-radius: var(--radius-md);
  }

  .admin-stats-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  /* Form layouts inside grids */
  form div[style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }

  /* Announcements Manager split grid layout collapse */
  div[style*="grid-template-columns:1.2fr 1fr"] {
    grid-template-columns: 1fr !important;
  }
}

/* ==========================================================================
   TURKUAZ ACADEMY - RESPONSIVE MOBILE MENU & DESIGN IMPROVEMENTS
   ========================================================================== */

body.mobile-menu-open {
  overflow: hidden;
}

/* Hamburger Toggle Button */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1000;
  margin-left: 12px;
}

.mobile-menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.mobile-menu-toggle.open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.mobile-menu-toggle.open span:nth-child(2) {
  opacity: 0;
}
.mobile-menu-toggle.open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Responsive Mobile Menu Drawer */
.mobile-menu-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100%;
  background: var(--bg-secondary);
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.15);
  border-left: 1px solid var(--border);
  transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 999;
  display: flex;
  flex-direction: column;
  padding: 0;
}

.mobile-menu-drawer.open {
  right: 0;
}

@media (max-width: 768px) {
  .mobile-menu-drawer {
    width: 100% !important;
    right: -100% !important;
    border-left: none !important;
    box-shadow: none !important;
  }
  .mobile-menu-drawer.open {
    right: 0 !important;
  }
}

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px;
  border-bottom: 1px solid var(--border);
}

.mobile-menu-close {
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
}

.mobile-menu-body {
  flex: 1;
  overflow-y: auto;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* User Profile Card inside mobile menu */
.mobile-menu-profile {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: rgba(var(--primary-rgb), 0.05);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.mobile-menu-profile .avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
}

.mobile-nav-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mobile-nav-link {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-weight: 500;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.mobile-nav-link:hover, .mobile-nav-link.active {
  background: var(--primary);
  color: #ffffff !important;
}

.mobile-menu-divider {
  border: 0;
  height: 1px;
  background: var(--border);
  margin: 8px 0;
}

.mobile-menu-controls {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mobile-menu-controls .control-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.9rem;
  color: var(--text-primary);
  font-weight: 500;
}

/* Backdrop */
.mobile-menu-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 998;
}

.mobile-menu-backdrop.open {
  opacity: 1;
  visibility: visible;
}

/* Responsive Hide Rules */
@media (max-width: 900px) {
  .header-nav-menu,
  .role-switcher-container#developer-role-switcher,
  .nav-actions {
    display: none !important;
  }

  .mobile-menu-toggle {
    display: flex !important;
  }
}

/* Extra Responsive Layout Alignments */
@media (max-width: 768px) {
  .achievements-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 16px !important;
  }
}

@media (max-width: 480px) {
  .achievements-grid {
    grid-template-columns: 1fr !important;
  }
}

/* Desktop User Profile Dropdown Card */
.desktop-user-menu-wrapper {
  position: relative;
}

.desktop-profile-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 12px;
  width: 260px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
  z-index: 1010;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.desktop-profile-dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Rotate dropdown arrow when open */
.desktop-user-menu-wrapper:has(.desktop-profile-dropdown.open) .dropdown-arrow {
  transform: rotate(180deg);
}

/* Rank icon styling with automatic dark-mode inverting filter */
.rank-icon-svg {
  width: 18px;
  height: 18px;
  vertical-align: middle;
  display: inline-block;
  transition: filter 0.3s;
}

[data-theme="dark"] .rank-icon-svg {
  filter: invert(1) brightness(2);
}


/* Ranks Info View Separation Table Mode with Rounded Rows */
#ranks-info-view table {
  border-collapse: separate !important;
  border-spacing: 0 8px !important;
  width: 100%;
}

#ranks-info-view tr td {
  padding: 10px 8px !important;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  transition: all 0.2s ease-in-out;
}

#ranks-info-view tr td:first-child {
  border-left: 1px solid var(--border);
  border-top-left-radius: 8px;
  border-bottom-left-radius: 8px;
}

#ranks-info-view tr td:last-child {
  border-right: 1px solid var(--border);
  border-top-right-radius: 8px;
  border-bottom-right-radius: 8px;
}

/* Active Rank Row - 10% Gold Background and Rounded Gold Frame */
#ranks-info-view tr.active-rank-row td {
  background: rgba(212, 175, 55, 0.1) !important; /* 10% gold background */
  border-top: 2px solid #d4af37 !important;
  border-bottom: 2px solid #d4af37 !important;
}

#ranks-info-view tr.active-rank-row td:first-child {
  border-left: 2px solid #d4af37 !important;
  border-top-left-radius: 8px;
  border-bottom-left-radius: 8px;
}

#ranks-info-view tr.active-rank-row td:last-child {
  border-right: 2px solid #d4af37 !important;
  border-top-right-radius: 8px;
  border-bottom-right-radius: 8px;
}

/* Gift Rank Row - Light Turquoise Border and Background Tint */
#ranks-info-view tr.gift-rank-row td {
  background: rgba(13, 148, 136, 0.05) !important; /* light turquoise tint */
  border-top: 1px solid var(--primary) !important;
  border-bottom: 1px solid var(--primary) !important;
}

#ranks-info-view tr.gift-rank-row td:first-child {
  border-left: 1px solid var(--primary) !important;
}

#ranks-info-view tr.gift-rank-row td:last-child {
  border-right: 1px solid var(--primary) !important;
}

/* Responsive Ranks Page Wrapper */
.ranks-content-wrapper {
  max-width: 1050px;
}

@media (max-width: 768px) {
  .ranks-content-wrapper {
    max-width: 100%;
  }
}

/* Ranks Table Fonts - Default Mobile sizes */
.rank-lvl-cell {
  font-size: 0.8rem;
  font-weight: 700;
}
.rank-badge-span {
  font-size: 0.8rem;
}
.rank-desc-div {
  font-size: 0.72rem;
}
.rank-xp-cell {
  font-size: 0.8rem;
  font-weight: 700;
}

/* Ranks Table Fonts - Desktop larger sizes */
@media (min-width: 769px) {
  .rank-lvl-cell {
    font-size: 0.95rem;
  }
  .rank-badge-span {
    font-size: 0.9rem;
  }
  .rank-desc-div {
    font-size: 0.82rem;
  }
  .rank-xp-cell {
    font-size: 0.95rem;
  }
}

/* Gold image filter helper */
.gold-filter {
  filter: invert(74%) sepia(50%) saturate(415%) hue-rotate(5deg) brightness(96%) contrast(92%) !important;
}

/* White image filter helper */
.white-filter {
  filter: brightness(0) invert(1) !important;
}