/* ==========================================================================
   BEMOTION PWA - DYNAMIC THEMING SYSTEM
   Preserves all existing visual character while enabling code reuse
   ========================================================================== */

/* ==========================================================================
   BASE VARIABLES - Foundation for all themes
   ========================================================================== */
:root {
  /* Core brand colors */
  --bemotion-primary: #00b894;
  --bemotion-primary-dark: #00a085;
  --bemotion-white: #ffffff;
  --bemotion-black: #2c3e50;
  
  /* Glassmorphism foundation */
  --glass-base: rgba(255, 255, 255, 0.95);
  --glass-secondary: rgba(255, 255, 255, 0.15);
  --glass-subtle: rgba(255, 255, 255, 0.05);
  --glass-backdrop: blur(20px);
  --glass-backdrop-secondary: blur(15px);
  --glass-backdrop-subtle: blur(10px);
  
  /* Shadows and effects */
  --shadow-light: 0 10px 30px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 12px 24px rgba(0, 0, 0, 0.08);
  --shadow-heavy: 0 25px 50px rgba(0, 0, 0, 0.15);
  --shadow-glow: 0 8px 32px rgba(0, 0, 0, 0.1);
  
  /* Border radius system */
  --radius-small: 12px;
  --radius-medium: 20px;
  --radius-large: 24px;
  --radius-xlarge: 32px;
  
  /* Animation system */
  --transition-smooth: all 0.3s ease;
  --transition-bounce: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* Typography scale */
  --text-hero: clamp(32px, 6vw, 48px);
  --text-title: clamp(24px, 5vw, 32px);
  --text-heading: clamp(20px, 4vw, 24px);
  --text-body-large: 18px;
  --text-body: 16px;
  --text-small: 14px;
  --text-tiny: 12px;
}

/* ==========================================================================
   FOUNDATIONS THEME - Green/Natural
   ========================================================================== */
[data-theme="foundations"] {
  --theme-primary: #00b894;
  --theme-primary-dark: #00a085;
  --theme-primary-light: rgba(0, 184, 148, 0.1);
  --theme-primary-border: rgba(0, 184, 148, 0.2);
  --theme-primary-shadow: rgba(0, 184, 148, 0.3);
  
  --theme-secondary: #55a3ff;
  --theme-secondary-light: rgba(85, 163, 255, 0.1);
  
  --theme-background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --theme-card-primary: var(--glass-base);
  --theme-card-secondary: var(--glass-secondary);
  
  --theme-text-primary: #1e293b;
  --theme-text-secondary: #64748b;
  --theme-text-muted: #94a3b8;
  
  /* Session card specific colors */
  --session-current-bg: rgba(85, 163, 255, 0.1);
  --session-current-border: #55a3ff;
  --session-current-shadow: rgba(85, 163, 255, 0.2);
  --session-completed-bg: var(--theme-primary-light);
  --session-completed-border: var(--theme-primary);
}

/* ==========================================================================
   MFR THEME - Blue/Grey Professional
   ========================================================================== */
[data-theme="mfr"] {
  --theme-primary: #74b9ff;
  --theme-primary-dark: #0984e3;
  --theme-primary-light: rgba(116, 185, 255, 0.1);
  --theme-primary-border: rgba(116, 185, 255, 0.2);
  --theme-primary-shadow: rgba(116, 185, 255, 0.3);
  
  --theme-secondary: #636e72;
  --theme-secondary-light: rgba(99, 110, 114, 0.1);
  
  --theme-background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --theme-card-primary: var(--glass-base);
  --theme-card-secondary: var(--glass-secondary);
  
  --theme-text-primary: #1e293b;
  --theme-text-secondary: #64748b;
  --theme-text-muted: #94a3b8;
  
  /* MFR specific session styling */
  --session-current-bg: var(--theme-primary-light);
  --session-current-border: var(--theme-primary);
  --session-current-shadow: var(--theme-primary-shadow);
  --session-completed-bg: rgba(0, 184, 148, 0.1);
  --session-completed-border: #00b894;
}

/* ==========================================================================
   SUBSCRIPTION THEME - Pink/Purple Premium
   ========================================================================== */
[data-theme="subscription"] {
  --theme-primary: #fd79a8;
  --theme-primary-dark: #e84393;
  --theme-primary-light: rgba(253, 121, 168, 0.1);
  --theme-primary-border: rgba(253, 121, 168, 0.2);
  --theme-primary-shadow: rgba(253, 121, 168, 0.3);
  
  --theme-secondary: #a29bfe;
  --theme-secondary-light: rgba(162, 155, 254, 0.1);
  
  --theme-background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --theme-card-primary: var(--glass-base);
  --theme-card-secondary: var(--glass-secondary);
  
  --theme-text-primary: #1e293b;
  --theme-text-secondary: #64748b;
  --theme-text-muted: #94a3b8;
  
  /* Premium subscription styling */
  --session-current-bg: var(--theme-primary-light);
  --session-current-border: var(--theme-primary);
  --session-current-shadow: var(--theme-primary-shadow);
  --session-completed-bg: rgba(0, 184, 148, 0.1);
  --session-completed-border: #00b894;
}

/* ==========================================================================
   COURSE SELECTION THEME - Multi-colored showcase
   ========================================================================== */
[data-theme="course-selection"] {
  --theme-primary: #667eea;
  --theme-primary-dark: #5a67d8;
  --theme-primary-light: rgba(102, 126, 234, 0.1);
  --theme-primary-border: rgba(102, 126, 234, 0.2);
  --theme-primary-shadow: rgba(102, 126, 234, 0.3);
  
  --theme-secondary: #764ba2;
  --theme-secondary-light: rgba(118, 75, 162, 0.1);
  
  --theme-background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --theme-card-primary: var(--glass-base);
  --theme-card-secondary: var(--glass-secondary);
  
  --theme-text-primary: #2c3e50;
  --theme-text-secondary: #636e72;
  --theme-text-muted: #74b9ff;
}

/* ==========================================================================
   SESSION THEME - Focus and concentration
   ========================================================================== */
[data-theme="session"] {
  --theme-primary: #667eea;
  --theme-primary-dark: #5a67d8;
  --theme-primary-light: rgba(102, 126, 234, 0.1);
  --theme-primary-border: rgba(102, 126, 234, 0.2);
  --theme-primary-shadow: rgba(102, 126, 234, 0.3);
  
  --theme-secondary: #1e293b;
  --theme-secondary-light: rgba(30, 41, 59, 0.1);
  
  --theme-background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --theme-card-primary: var(--glass-base);
  --theme-card-secondary: var(--glass-secondary);
  
  --theme-text-primary: #1e293b;
  --theme-text-secondary: #64748b;
  --theme-text-muted: #94a3b8;
}

/* ==========================================================================
   PROFILE THEME - Personal and warm
   ========================================================================== */
[data-theme="profile"] {
  --theme-primary: #667eea;
  --theme-primary-dark: #5a67d8;
  --theme-primary-light: rgba(102, 126, 234, 0.1);
  --theme-primary-border: rgba(102, 126, 234, 0.2);
  --theme-primary-shadow: rgba(102, 126, 234, 0.3);
  
  --theme-secondary: #10b981;
  --theme-secondary-light: rgba(16, 185, 129, 0.1);
  
  --theme-background: linear-gradient(135deg, #667eea 0%, #764ba2 40%, #f093fb 100%);
  --theme-card-primary: var(--glass-base);
  --theme-card-secondary: var(--glass-secondary);
  
  --theme-text-primary: #1e293b;
  --theme-text-secondary: #64748b;
  --theme-text-muted: #94a3b8;
}

/* ==========================================================================
   DEFAULT THEME - Fallback
   ========================================================================== */
[data-theme="default"], body:not([data-theme]) {
  --theme-primary: #667eea;
  --theme-primary-dark: #5a67d8;
  --theme-primary-light: rgba(102, 126, 234, 0.1);
  --theme-primary-border: rgba(102, 126, 234, 0.2);
  --theme-primary-shadow: rgba(102, 126, 234, 0.3);
  
  --theme-secondary: #764ba2;
  --theme-secondary-light: rgba(118, 75, 162, 0.1);
  
  --theme-background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --theme-card-primary: var(--glass-base);
  --theme-card-secondary: var(--glass-secondary);
  
  --theme-text-primary: #2c3e50;
  --theme-text-secondary: #636e72;
  --theme-text-muted: #94a3b8;
}

/* ==========================================================================
   UNIVERSAL COMPONENTS - Work with all themes
   ========================================================================== */

/* Page foundation */
body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--theme-background);
  color: var(--theme-text-primary);
  min-height: 100vh;
}

/* Glassmorphism cards */
.glass-card {
  background: var(--theme-card-primary);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-large);
  box-shadow: var(--shadow-medium);
  transition: var(--transition-smooth);
}

.glass-card-secondary {
  background: var(--theme-card-secondary);
  backdrop-filter: var(--glass-backdrop-secondary);
  -webkit-backdrop-filter: var(--glass-backdrop-secondary);
}

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

/* Container system */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

/* SPA Container - holds all routed pages */
.spa-container {
  display: none;
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  z-index: 1000;
  overflow-x: hidden;
  overflow-y: auto;
}

.spa-container.active {
  display: block;
}

.page-container {
  background: var(--theme-card-primary);
  backdrop-filter: var(--glass-backdrop);
  border-radius: var(--radius-xlarge);
  box-shadow: var(--shadow-heavy);
  overflow: auto;
  max-height: 95vh;
  display: flex;
  flex-direction: column;
}

/* Header system */
.page-header {
  background: linear-gradient(135deg, rgba(44, 62, 80, 0.95) 0%, rgba(52, 73, 94, 0.95) 100%);
  backdrop-filter: var(--glass-backdrop);
  color: white;
  padding: 24px 32px;
  display: flex;
  border-top-left-radius: var(--radius-xlarge);
  border-top-right-radius: var(--radius-xlarge);
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  z-index: 1000;
}

.header-dark {
  background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
}

/* Header left section with logo, back button, and course badge */
.header-left {
  display: flex;
  align-items: center;
  gap: 20px;
  position: relative;
}

.logo {
  font-size: 28px;
  font-weight: 800;
  background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.course-badge {
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  color: white;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.course-badge-mfr {
  background: linear-gradient(135deg, #74b9ff 0%, #0984e3 100%);
  box-shadow: 0 4px 8px rgba(116, 185, 255, 0.3);
}

.course-badge-foundations {
  background: linear-gradient(135deg, #00b894 0%, #00a085 100%);
  box-shadow: 0 4px 8px rgba(0, 184, 148, 0.3);
}

.course-badge-subscription {
  background: linear-gradient(135deg, #fd79a8 0%, #e84393 100%);
  box-shadow: 0 4px 8px rgba(253, 121, 168, 0.3);
}

/* Course badge container for menu positioning */
.course-badge-container {
  position: relative;
  z-index: 2000;
}

.course-badge {
  cursor: pointer;
  transition: all 0.3s ease;
  user-select: none;
  position: relative;
  z-index: 2001;
}

.course-badge:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
}

.course-badge:active {
  transform: translateY(0);
}

/* Course menu dropdown */
.course-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  border-radius: 20px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  z-index: 9999;
  min-width: 220px;
  animation: slideDownFade 0.3s ease-out;
}

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

/* Course menu items with theme colors */
.course-menu-item {
  padding: 12px 20px;
  border-radius: 16px;
  font-size: 13px;
  font-weight: 700;
  color: white;
  text-decoration: none;
  transition: all 0.3s ease;
  display: block;
  text-align: center;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.course-menu-item:hover {
  transform: translateX(4px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.25);
}

.course-menu-mfr {
  background: linear-gradient(135deg, #74b9ff 0%, #0984e3 100%);
}

.course-menu-mfr:hover {
  box-shadow: 0 6px 12px rgba(116, 185, 255, 0.4);
}

.course-menu-foundations {
  background: linear-gradient(135deg, #00b894 0%, #00a085 100%);
}

.course-menu-foundations:hover {
  box-shadow: 0 6px 12px rgba(0, 184, 148, 0.4);
}

.course-menu-subscription {
  background: linear-gradient(135deg, #fd79a8 0%, #e84393 100%);
}

.course-menu-subscription:hover {
  box-shadow: 0 6px 12px rgba(253, 121, 168, 0.4);
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-title {
  font-size: var(--text-title);
  font-weight: 800;
  background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header-subtitle {
  font-size: var(--text-body-large);
  opacity: 0.9;
  color: #f8f9fa;
}

/* Header actions - User menu */
.header-actions {
  display: flex;
  align-items: center;
}

.user-menu {
  display: flex;
  align-items: center;
  gap: 16px;
}

.menu-btn {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  padding: 12px 20px;
  border-radius: 24px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.menu-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

/* Navigation */
.back-nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.back-btn {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  padding: 12px 20px;
  border-radius: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: all 0.3s ease;
  font-weight: 600;
  text-decoration: none;
}

.back-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

/* Welcome sections */
.welcome-section {
  text-align: center;
  padding: 40px 32px;
  margin-bottom: 32px;
  animation: slideInUp 0.6s ease-out;
}

.welcome-title {
  font-size: var(--text-title);
  color: var(--theme-text-primary);
  margin-bottom: 16px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.welcome-subtitle {
  font-size: var(--text-body-large);
  color: var(--theme-text-secondary);
  margin-bottom: 24px;
  font-weight: 500;
  line-height: 1.5;
}

.journey-context {
  font-size: var(--text-body);
  color: var(--theme-text-muted);
  font-style: italic;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Welcome message - used in dashboard welcome card */
.welcome-message {
  font-size: var(--text-body-large);
  color: var(--theme-text-secondary);
  font-weight: 500;
  line-height: 1.5;
}

/* Progress cards */
.progress-card {
  padding: 32px;
  margin-bottom: 32px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.progress-title {
  font-size: var(--text-heading);
  color: var(--theme-text-primary);
  font-weight: 700;
}

.progress-percentage {
  font-size: var(--text-body-large);
  color: var(--theme-primary);
  font-weight: 700;
  background: transparent;
  padding: 8px 16px;
  border-radius: 8px;
  border: 1.5px solid var(--theme-primary);
}

.progress-bar-container {
  width: 100%;
  height: 12px;
  background: rgba(0, 0, 0, 0.1);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 20px;
  position: relative;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--theme-primary) 0%, var(--theme-primary-dark) 100%);
  border-radius: 6px;
  transition: width 1s ease-out;
  position: relative;
}

.progress-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.3) 50%, transparent 100%);
  animation: shimmer 2s infinite;
}

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

.progress-details {
  text-align: center;
}

.progress-text {
  font-size: var(--text-body);
  color: var(--theme-text-secondary);
  margin-bottom: 8px;
  font-weight: 500;
}

.progress-encouragement {
  font-size: var(--text-small);
  color: var(--theme-primary);
  font-weight: 600;
}

/* Session cards */
.todays-session {
  padding: 32px;
  margin-bottom: 32px;
  position: relative;
  overflow: hidden;
}

.todays-session::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--theme-primary) 0%, var(--theme-secondary, var(--theme-primary-dark)) 100%);
}

.session-badge {
  display: inline-block;
  background: transparent;
  color: var(--theme-primary);
  padding: 8px 20px;
  border-radius: 8px;
  border: 1.5px solid var(--theme-primary);
  font-size: var(--text-tiny);
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.session-header {
  margin-bottom: 24px;
}

.session-title {
  font-size: var(--text-heading);
  color: var(--theme-text-primary);
  margin-bottom: 8px;
  font-weight: 700;
  line-height: 1.3;
}

.session-phase {
  font-size: var(--text-body);
  color: var(--theme-text-secondary);
  font-weight: 500;
}

.session-info {
  margin-bottom: 24px;
}

.session-description {
  color: var(--theme-text-secondary);
  margin-bottom: 16px;
  line-height: 1.6;
}

.session-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--text-small);
  color: var(--theme-text-muted);
}

/* Button system */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 32px;
  border: none;
  border-radius: 25px;
  font-size: var(--text-body);
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  min-height: 44px;
  position: relative;
  overflow: hidden;
  text-align: center;
  line-height: 1.4;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

.btn-primary {
  background: linear-gradient(135deg, var(--theme-primary) 0%, var(--theme-primary-dark) 100%);
  color: white;
  box-shadow: 0 8px 20px var(--theme-primary-shadow);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px var(--theme-primary-shadow);
}

.btn-secondary {
  background: var(--theme-card-primary);
  color: var(--theme-text-primary);
  border: 2px solid var(--theme-primary-border);
  box-shadow: var(--shadow-light);
}

.btn-secondary:hover:not(:disabled) {
  border-color: var(--theme-primary);
  color: var(--theme-primary);
  transform: translateY(-2px);
}

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

.start-session-btn {
  flex: 1;
  min-width: 200px;
}

/* Loading states */
.loading-skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading-shimmer 2s infinite;
  border-radius: 8px;
  margin-bottom: 12px;
}

.skeleton-title {
  height: 24px;
  margin-bottom: 16px;
}

.skeleton-text {
  height: 16px;
  margin-bottom: 8px;
}

.skeleton-button {
  height: 44px;
  border-radius: 22px;
  margin-top: 16px;
}

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

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

/* Main content area */
.main-content {
  padding: 60px 40px 80px;
  flex: 1 1 auto;
  overflow-y: auto;
  min-height: 0;
}

/* Page footer */
.page-footer {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255, 255, 255, 0.3);
  padding: 12px 20px;
  text-align: center;
  font-size: 12px;
  color: #64748b;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
  flex-shrink: 0;
}

.footer-link {
  color: #64748b;
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-smooth);
}

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

.footer-separator {
  margin: 0 8px;
  color: #94a3b8;
}

/* Section headers */
.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-title {
  font-size: var(--text-hero);
  color: var(--theme-text-primary);
  margin-bottom: 20px;
  font-weight: bold;
}

.section-subtitle {
  font-size: var(--text-body-large);
  color: var(--theme-text-secondary);
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.5;
}

/* Form styles */
.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-size: var(--text-body);
  font-weight: 600;
  color: var(--theme-text-primary);
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  padding: 16px 20px;
  border: 2px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--radius-medium);
  font-size: var(--text-body);
  background: rgba(255, 255, 255, 0.9);
  transition: var(--transition-smooth);
}

.form-input:focus {
  outline: none;
  border-color: var(--theme-primary);
  box-shadow: 0 0 0 3px var(--theme-primary-light);
}

/* Hide hamburger button on desktop - it's only for mobile */
.hamburger-btn,
.menu-overlay {
  display: none;
}

/* Responsive design */
@media (max-width: 768px) {
  /* Remove margins on mobile - full screen experience */
  html,
  body {
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    width: 100%;
    height: 100%;
  }

  .container {
    padding: 0;
    margin: 0;
    max-width: 100%;
    width: 100%;
  }

  .spa-container {
    margin: 0;
    padding: 0;
    width: 100vw;
    min-height: 100vh;
  }

  .page-wrapper {
    margin: 0;
    padding: 0;
    width: 100%;
    max-width: 100%;
  }

  .page-container {
    border-radius: 0;
    margin: 0;
    padding: 0;
    max-height: 100vh;
    min-height: 100vh;
    width: 100%;
  }

  .page-header {
    padding: 16px;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 12px;
    text-align: left;
    border-radius: 0;
  }

  .header-left {
    width: auto;
    flex: 1;
    justify-content: flex-start;
    flex-direction: row;
    gap: 12px;
    align-items: center;
  }

  .logo {
    font-size: 20px;
  }

  /* Compact course badge on mobile - just initial letter */
  .course-badge-container {
    order: 2;
  }

  .course-badge {
    padding: 8px 12px;
    font-size: 14px;
    font-weight: 800;
    min-width: 40px;
    min-height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    /* Hide full text, show only on ::before */
  }

  /* Show only first letter on mobile */
  .course-badge-mfr::before {
    content: "M";
  }

  .course-badge-foundations::before {
    content: "F";
  }

  .course-badge-subscription::before {
    content: "S";
  }

  .course-badge-mfr,
  .course-badge-foundations,
  .course-badge-subscription {
    font-size: 0;
  }

  .course-badge-mfr::before,
  .course-badge-foundations::before,
  .course-badge-subscription::before {
    font-size: 16px;
  }

  /* Hamburger menu for user actions */
  .header-actions {
    order: 3;
    position: relative;
  }

  .user-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(44, 62, 80, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    gap: 0;
    padding: 80px 0 20px;
    transition: right 0.3s ease;
    z-index: 9999;
    box-shadow: -4px 0 12px rgba(0, 0, 0, 0.3);
  }

  .user-menu.active {
    right: 0;
  }

  .menu-btn {
    font-size: 15px;
    padding: 18px 24px;
    border-radius: 0;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    text-align: left;
    justify-content: flex-start;
  }

  /* Hamburger button */
  .hamburger-btn {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 10px;
    border-radius: 8px;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    transition: all 0.3s ease;
  }

  .hamburger-btn span {
    display: block;
    width: 20px;
    height: 2px;
    background: white;
    transition: all 0.3s ease;
  }

  .hamburger-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .hamburger-btn.active span:nth-child(2) {
    opacity: 0;
  }

  .hamburger-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  /* Overlay for hamburger menu */
  .menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9998;
  }

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

  .main-content {
    padding: 20px 16px 20px;
  }

  .section-title {
    font-size: var(--text-title);
  }

  .btn {
    padding: 14px 24px;
    font-size: var(--text-small);
  }

  /* Course menu responsive adjustments */
  .course-menu {
    min-width: 180px;
  }

  .course-menu-item {
    padding: 10px 16px;
    font-size: 12px;
  }

  /* Footer with shorter link names on mobile */
  .page-footer {
    padding: 10px 16px;
    font-size: 11px;
    border-radius: 0;
  }

  .footer-link {
    display: inline-block;
  }

  /* Shorten footer links on mobile */
  .footer-link[onclick*="about-us"]::after {
    content: "Nosotros";
  }

  .footer-link[onclick*="terms-of-service"]::after {
    content: "Uso";
  }

  .footer-link[onclick*="privacy-policy"]::after {
    content: "Privacidad";
  }

  .footer-link[onclick*="about-us"],
  .footer-link[onclick*="terms-of-service"],
  .footer-link[onclick*="privacy-policy"] {
    font-size: 0;
  }

  .footer-link[onclick*="about-us"]::after,
  .footer-link[onclick*="terms-of-service"]::after,
  .footer-link[onclick*="privacy-policy"]::after {
    font-size: 11px;
  }

  .footer-separator {
    margin: 0 6px;
  }
}

/* Utility classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mt-5 { margin-top: 40px; }

.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 40px; }

.p-1 { padding: 8px; }
.p-2 { padding: 16px; }
.p-3 { padding: 24px; }
.p-4 { padding: 32px; }
.p-5 { padding: 40px; }

.flex { display: flex; }
.flex-column { flex-direction: column; }
.justify-center { justify-content: center; }
.align-center { align-items: center; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.gap-3 { gap: 24px; }
.gap-4 { gap: 32px; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }

.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }

.hidden { display: none; }
.visible { visibility: visible; }
.invisible { visibility: hidden; }

.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }

/* ==========================================================================
   CELEBRATION THEME - Graduation and success pages
   ========================================================================== */
[data-theme="celebration"] {
  --theme-primary: #00b894;
  --theme-primary-dark: #00a085;
  --theme-primary-light: rgba(0, 184, 148, 0.1);
  --theme-primary-border: rgba(0, 184, 148, 0.2);
  --theme-primary-shadow: rgba(0, 184, 148, 0.3);
  
  --theme-secondary: #fd79a8;
  --theme-secondary-light: rgba(253, 121, 168, 0.1);
  
  --theme-accent: #74b9ff;
  --theme-accent2: #fdcb6e;
  
  --theme-background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --theme-card-primary: var(--glass-base);
  --theme-card-secondary: var(--glass-secondary);
  
  --theme-text-primary: #1e293b;
  --theme-text-secondary: #64748b;
  --theme-text-muted: #94a3b8;
}

/* ==========================================================================
   LANDING THEME - Sales and marketing pages
   ========================================================================== */
[data-theme="landing"] {
  --theme-primary: #667eea;
  --theme-primary-dark: #5a67d8;
  --theme-primary-light: rgba(102, 126, 234, 0.1);
  --theme-primary-border: rgba(102, 126, 234, 0.2);
  --theme-primary-shadow: rgba(102, 126, 234, 0.3);
  
  --theme-secondary: #00b894;
  --theme-secondary-light: rgba(0, 184, 148, 0.1);
  
  --theme-background: linear-gradient(135deg, #667eea 0%, #764ba2 40%, #f093fb 100%);
  --theme-card-primary: var(--glass-base);
  --theme-card-secondary: var(--glass-secondary);
  
  --theme-text-primary: #1e293b;
  --theme-text-secondary: #64748b;
  --theme-text-muted: #94a3b8;
}

/* ==========================================================================
   CELEBRATION PAGE COMPONENTS
   ========================================================================== */

/* Celebration particles animation */
.celebration-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
  z-index: 5;
}

.particle {
  position: absolute;
  width: 10px;
  height: 10px;
  background: var(--theme-primary);
  border-radius: 50%;
  animation: float-up 3s ease-out infinite;
}

.particle:nth-child(2n) {
  background: var(--theme-accent, #74b9ff);
  animation-delay: 0.5s;
}

.particle:nth-child(3n) {
  background: var(--theme-secondary, #fd79a8);
  animation-delay: 1s;
}

.particle:nth-child(4n) {
  background: var(--theme-accent2, #fdcb6e);
  animation-delay: 1.5s;
}

@keyframes float-up {
  0% {
    transform: translateY(100vh) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translateY(-100px) rotate(360deg);
    opacity: 0;
  }
}

/* Celebration hero sections */
.celebration-hero {
  background: linear-gradient(135deg, var(--theme-primary) 0%, var(--theme-primary-dark) 100%);
  color: white;
  padding: 80px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.celebration-hero::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -30%;
  width: 400px;
  height: 400px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  animation: float 8s ease-in-out infinite;
}

.celebration-hero::after {
  content: "";
  position: absolute;
  bottom: -30%;
  left: -20%;
  width: 300px;
  height: 300px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
  animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(180deg);
  }
}

.celebration-icon {
  font-size: 100px;
  margin-bottom: 32px;
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

.celebration-title {
  font-size: var(--text-hero);
  font-weight: 900;
  margin-bottom: 24px;
  text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
  background: linear-gradient(135deg, #fff 0%, rgba(255, 255, 255, 0.8) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.celebration-subtitle {
  font-size: var(--text-body-large);
  opacity: 0.95;
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

/* Achievement sections */
.achievement-section {
  padding: 60px 40px;
  text-align: center;
}

.achievement-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  margin-top: 40px;
}

.achievement-card {
  padding: 32px;
  text-align: center;
  border: 1px solid var(--theme-primary-border);
  transition: var(--transition-smooth);
}

.achievement-card:hover {
  border-color: var(--theme-primary);
  transform: translateY(-4px);
}

.achievement-number {
  font-size: 48px;
  font-weight: 900;
  color: var(--theme-primary);
  margin-bottom: 16px;
  display: block;
}

.achievement-label {
  font-size: var(--text-body-large);
  font-weight: 600;
  color: var(--theme-text-primary);
  margin-bottom: 8px;
}

.achievement-description {
  font-size: var(--text-body);
  color: var(--theme-text-secondary);
  line-height: 1.5;
}

/* Celebration buttons */
.btn-celebration {
  background: linear-gradient(135deg, var(--theme-secondary) 0%, #e84393 100%);
  color: white;
  padding: 20px 40px;
  font-size: var(--text-body-large);
  font-weight: 700;
  border-radius: 30px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 8px 20px rgba(253, 121, 168, 0.3);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.btn-celebration::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.btn-celebration:hover::before {
  left: 100%;
}

.btn-celebration:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(253, 121, 168, 0.4);
}

/* ==========================================================================
   LANDING PAGE COMPONENTS
   ========================================================================== */

/* Security badges */
.security-badge {
  background: linear-gradient(135deg, var(--theme-secondary-light) 0%, rgba(0, 160, 133, 0.1) 100%);
  color: var(--theme-secondary, #00b894);
  padding: 10px 20px;
  border-radius: 20px;
  font-size: var(--text-tiny);
  font-weight: 700;
  border: 1px solid var(--theme-primary-border);
  backdrop-filter: var(--glass-backdrop-subtle);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* Hero sections with enhanced styling */
.enhanced-hero {
  background: var(--theme-background);
  color: white;
  padding: 100px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-title {
  font-size: clamp(32px, 8vw, 64px);
  font-weight: 900;
  margin-bottom: 24px;
  text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: var(--text-body-large);
  opacity: 0.9;
  margin-bottom: 40px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

/* Enhanced grid layouts */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 32px;
  margin-top: 60px;
}

.feature-card {
  padding: 40px 32px;
  text-align: left;
  transition: var(--transition-smooth);
  border-left: 4px solid var(--theme-primary);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-left-color: var(--theme-secondary);
}

.feature-icon {
  font-size: 48px;
  margin-bottom: 24px;
  display: block;
}

.feature-title {
  font-size: var(--text-heading);
  font-weight: 700;
  color: var(--theme-text-primary);
  margin-bottom: 16px;
}

.feature-description {
  font-size: var(--text-body);
  color: var(--theme-text-secondary);
  line-height: 1.6;
}

/* Pricing components */
.pricing-card {
  padding: 40px 32px;
  text-align: center;
  border: 2px solid var(--theme-primary-border);
  border-radius: var(--radius-large);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.pricing-card.featured {
  border-color: var(--theme-primary);
  transform: scale(1.05);
  box-shadow: 0 20px 40px var(--theme-primary-shadow);
}

.pricing-card.featured::before {
  content: 'RECOMENDADO';
  position: absolute;
  top: 20px;
  right: -30px;
  background: var(--theme-primary);
  color: white;
  padding: 8px 40px;
  font-size: var(--text-tiny);
  font-weight: 700;
  transform: rotate(45deg);
}

.pricing-price {
  font-size: 48px;
  font-weight: 900;
  color: var(--theme-primary);
  margin-bottom: 8px;
}

.pricing-period {
  font-size: var(--text-small);
  color: var(--theme-text-muted);
  margin-bottom: 32px;
}

.pricing-features {
  list-style: none;
  margin-bottom: 32px;
}

.pricing-features li {
  padding: 8px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  color: var(--theme-text-secondary);
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-features li::before {
  content: '✓';
  color: var(--theme-primary);
  font-weight: bold;
  margin-right: 12px;
}

/* ==========================================================================
   ERROR AND SUCCESS PAGE COMPONENTS
   ========================================================================== */

/* Error pages */
.error-content {
  text-align: center;
  padding: 40px 20px;
}

.error-hero {
  margin-bottom: 48px;
}

.error-icon {
  font-size: 80px;
  margin-bottom: 24px;
  display: block;
}

.error-title {
  font-size: var(--text-hero);
  font-weight: 900;
  color: var(--theme-text-primary);
  margin-bottom: 16px;
}

.error-subtitle {
  font-size: var(--text-body-large);
  color: var(--theme-text-secondary);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.6;
}

.error-solutions {
  margin-bottom: 48px;
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.solution-card {
  padding: 32px 24px;
  border: 1px solid var(--theme-primary-border);
  border-radius: var(--radius-large);
  transition: var(--transition-smooth);
}

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

.solution-icon {
  font-size: 48px;
  margin-bottom: 20px;
  display: block;
}

.solution-card h3 {
  font-size: var(--text-heading);
  font-weight: 700;
  color: var(--theme-text-primary);
  margin-bottom: 12px;
}

.solution-card p {
  color: var(--theme-text-secondary);
  margin-bottom: 20px;
  line-height: 1.5;
}

.error-actions {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* Success pages */
.success-content {
  text-align: center;
  padding: 40px 20px;
}

.success-hero {
  margin-bottom: 48px;
}

.success-icon {
  font-size: 80px;
  margin-bottom: 24px;
  display: block;
}

.success-title {
  font-size: var(--text-hero);
  font-weight: 900;
  color: var(--theme-primary);
  margin-bottom: 16px;
}

.success-subtitle {
  font-size: var(--text-body-large);
  color: var(--theme-text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

.success-next-steps {
  margin-bottom: 48px;
}

.next-steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.step-card {
  padding: 32px 24px;
  background: var(--theme-card-primary);
  border-radius: var(--radius-large);
  border: 1px solid var(--theme-primary-border);
  transition: var(--transition-smooth);
}

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

.step-number {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--theme-primary) 0%, var(--theme-primary-dark) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 24px;
  font-weight: bold;
  margin: 0 auto 20px;
}

.step-card h3 {
  font-size: var(--text-heading);
  font-weight: 700;
  color: var(--theme-text-primary);
  margin-bottom: 12px;
}

.step-card p {
  color: var(--theme-text-secondary);
  line-height: 1.5;
}

.success-actions {
  display: flex;
  justify-content: center;
}

/* Responsive design for new components */
@media (max-width: 768px) {
  .celebration-hero {
    padding: 60px 20px;
  }
  
  .celebration-hero::before,
  .celebration-hero::after {
    display: none;
  }
  
  .celebration-icon {
    font-size: 80px;
  }
  
  .achievement-grid,
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .achievement-card,
  .feature-card,
  .pricing-card {
    padding: 24px 20px;
  }
  
  .pricing-card.featured {
    transform: none;
    margin-bottom: 24px;
  }
  
  .enhanced-hero {
    padding: 60px 20px;
  }
  
  .solution-grid,
  .next-steps-grid {
    grid-template-columns: 1fr;
  }
  
  .error-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .error-icon,
  .success-icon {
    font-size: 60px;
  }
}
/* ===== SESSION CARDS (matching mock-up design) ===== */
/* Session cards grid layout */
.sessions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

/* Individual session card */
.session-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-radius: 24px;
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: all 0.4s ease;
  border: 2px solid transparent;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
}

/* Top colored border indicator */
.session-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: #e2e8f0;
  transition: all 0.3s ease;
}

.session-card.completed::before {
  background: linear-gradient(135deg, #00b894 0%, #00a085 100%);
}

.session-card.current {
  border-color: #74b9ff;
  transform: scale(1.02);
  box-shadow: 0 16px 32px rgba(116, 185, 255, 0.15);
}

.session-card.current::before {
  background: linear-gradient(135deg, #74b9ff 0%, #0984e3 100%);
}

.session-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.session-card.current:hover {
  transform: translateY(-8px) scale(1.02);
}

/* Session header */
.session-header {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.session-day {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Day number circle */
.day-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  color: #64748b;
  flex-shrink: 0;
}

.day-number.completed {
  background: linear-gradient(135deg, #00b894 0%, #00a085 100%);
  color: white;
  box-shadow: 0 8px 16px rgba(0, 184, 148, 0.3);
}

.day-number.current {
  background: linear-gradient(135deg, #74b9ff 0%, #0984e3 100%);
  color: white;
  animation: pulse-current 2s ease-in-out infinite;
  box-shadow: 0 8px 16px rgba(116, 185, 255, 0.3);
}

@keyframes pulse-current {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

/* Day info */
.day-info h3 {
  font-size: 20px;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 4px;
  line-height: 1.2;
}

.day-info p {
  font-size: 14px;
  color: #64748b;
  margin: 0;
}

/* Session status badge */
.session-status {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  white-space: nowrap;
  background: transparent;
  align-self: flex-start;
  order: -1;
}

.status-completed {
  border: 1.5px solid #00b894;
  color: #00b894;
}

.status-current {
  border: 1.5px solid #3b82f6;
  color: #3b82f6;
}

.status-locked {
  border: 1.5px solid #6c757d;
  color: #6c757d;
}

.status-available {
  border: 1.5px solid #0ea5e9;
  color: #0ea5e9;
}

/* Session description */
.session-description {
  color: #475569;
  margin-bottom: 24px;
  line-height: 1.6;
  font-size: 15px;
}

/* Session meta information */
.session-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  gap: 16px;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: #64748b;
  font-weight: 500;
}

/* Session action buttons */
.session-action {
  width: 100%;
  padding: 16px;
  border: none;
  border-radius: 20px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: inherit;
}

.action-start {
  background: linear-gradient(135deg, var(--theme-primary) 0%, var(--theme-primary-dark) 100%);
  color: white;
  box-shadow: 0 8px 16px var(--theme-primary-shadow);
}

.action-start:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px var(--theme-primary-shadow);
}

.action-review {
  background: rgba(0, 184, 148, 0.15);
  color: #00b894;
  border: 2px solid #00b894;
}

.action-review:hover {
  background: rgba(0, 184, 148, 0.25);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 184, 148, 0.2);
}

.action-locked {
  background: #f8f9fa;
  color: #adb5bd;
  cursor: not-allowed;
}

.action-locked:hover {
  transform: none;
}

/* Weekly/Level overview sections */
.weekly-overview,
.level-overview,
.session-overview {
  margin-top: 48px;
}

.section-title {
  font-size: 28px;
  font-weight: 800;
  color: #1e293b;
  margin-bottom: 32px;
}

/* Week/Level cards */
.week-card,
.level-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-radius: 24px;
  padding: 32px;
  margin-bottom: 32px;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
}

.week-header,
.level-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 2px solid #e2e8f0;
}

.week-header h3,
.level-header h3 {
  font-size: 24px;
  font-weight: 700;
  color: #1e293b;
  margin: 0;
}

.week-progress,
.level-progress {
  font-size: 14px;
  font-weight: 600;
  color: #64748b;
  background: #f1f5f9;
  padding: 8px 16px;
  border-radius: 16px;
}

.week-sessions,
.level-sessions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 24px;
}

/* Locked level styling */
.level-card.locked {
  opacity: 0.6;
  pointer-events: none;
}

.level-lock {
  text-align: center;
  padding: 16px;
  background: #f8f9fa;
  border-radius: 16px;
  color: #6c757d;
  font-weight: 600;
  margin-top: 16px;
}

/* Responsive design for session cards */
@media (max-width: 768px) {
  .sessions-grid {
    grid-template-columns: 1fr;
  }

  .session-card {
    padding: 24px;
  }

  .session-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .session-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .day-number {
    width: 40px;
    height: 40px;
    font-size: 16px;
  }

  .day-info h3 {
    font-size: 18px;
  }

  .week-sessions,
  .level-sessions {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   UTILITY CLASSES - Missing Data & Fallback Indicators
   ========================================================================== */

/**
 * Missing Data Indicator
 * Used when a value is missing but doesn't break functionality
 * Shows as warning to make issues visible to developers and users
 */
.missing-data {
  color: #f59e0b;
  font-style: italic;
  font-size: 0.9em;
  opacity: 0.9;
}

/**
 * Muted Text
 * Used for optional fields or non-critical missing data
 * Less prominent than missing-data
 */
.muted-text {
  color: var(--theme-text-muted, #9ca3af);
  font-style: italic;
  opacity: 0.8;
}

/* ===== HORIZONTAL SCROLLABLE CARD CONTAINERS ===== */
/**
 * Container for horizontally scrollable cards (sessions, weeks, levels)
 * Shows 3 cards at a time with smooth horizontal scrolling
 */
.cards-container.horizontal-scroll {
  display: flex;
  gap: 24px;
  padding: 20px 0;
  overflow-x: auto;
  overflow-y: visible;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x mandatory;
}

/* Cards within horizontal scroll container */
.cards-container.horizontal-scroll > * {
  flex: 0 0 calc(33.333% - 16px);
  min-width: 300px;
  max-width: 400px;
  scroll-snap-align: start;
}

/* For mobile: show 1 card at a time */
@media (max-width: 768px) {
  .cards-container.horizontal-scroll > * {
    flex: 0 0 calc(100% - 40px);
    min-width: 280px;
  }
}

/* For tablets: show 2 cards at a time */
@media (min-width: 769px) and (max-width: 1200px) {
  .cards-container.horizontal-scroll > * {
    flex: 0 0 calc(50% - 12px);
    min-width: 300px;
  }
}

/* Scrollbar styling for horizontal scroll */
.cards-container.horizontal-scroll::-webkit-scrollbar {
  height: 8px;
}

.cards-container.horizontal-scroll::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
}

.cards-container.horizontal-scroll::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.3);
  border-radius: 10px;
}

.cards-container.horizontal-scroll::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.5);
}

/* ===== DAY CARD STYLES ===== */
.day-card {
  min-width: 280px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.day-card:not(.locked):hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.day-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.day-number-badge {
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9em;
  background: transparent;
}

.day-number-badge.available {
  border: 1.5px solid #3b82f6;
  color: #3b82f6;
}

.day-number-badge.completed {
  border: 1.5px solid #22c55e;
  color: #22c55e;
}

.day-number-badge.locked {
  border: 1.5px solid #9ca3af;
  color: #9ca3af;
}

.day-status {
  font-size: 0.85em;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 8px;
  background: transparent;
  border: 1.5px solid var(--theme-text-secondary);
  color: var(--theme-text-secondary);
  white-space: nowrap;
}

.day-card-content {
  margin-bottom: 16px;
}

.day-title {
  font-size: 1.1em;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--theme-text-primary);
}

.day-phase {
  font-size: 0.85em;
  color: var(--theme-text-secondary);
  margin-bottom: 8px;
}

.day-description {
  font-size: 0.9em;
  color: var(--theme-text-secondary);
  line-height: 1.5;
  margin-bottom: 12px;
}

.day-meta {
  display: flex;
  gap: 16px;
  font-size: 0.85em;
  color: var(--theme-text-secondary);
}

.day-card-footer {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.day-card-footer.locked {
  text-align: center;
}

.locked-message {
  font-size: 0.85em;
  color: var(--theme-text-muted);
  font-style: italic;
}

.day-action-btn {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.day-action-btn.start {
  background: linear-gradient(135deg, var(--theme-primary) 0%, var(--theme-primary-dark) 100%);
  color: white;
  box-shadow: 0 4px 12px var(--theme-primary-shadow);
}

.day-action-btn.start:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px var(--theme-primary-shadow);
}

.day-action-btn.review {
  background: rgba(0, 184, 148, 0.15);
  color: #00b894;
  border: 2px solid #00b894;
}

.day-action-btn.review:hover {
  background: rgba(0, 184, 148, 0.25);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 184, 148, 0.2);
}

/* ===== WEEK CARD & LEVEL CARD STYLES ===== */
.week-card,
.level-card {
  min-width: 280px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.week-card:not(.locked):hover,
.level-card:not(.locked):hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.week-card-header,
.level-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.week-number-badge,
.level-number-badge {
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9em;
  background: transparent;
}

.week-number-badge.available,
.level-number-badge.available {
  border: 1.5px solid #3b82f6;
  color: #3b82f6;
}

.week-number-badge.completed,
.level-number-badge.completed {
  border: 1.5px solid #22c55e;
  color: #22c55e;
}

.week-number-badge.locked,
.level-number-badge.locked {
  border: 1.5px solid #9ca3af;
  color: #9ca3af;
}

.week-status,
.level-status {
  font-size: 0.85em;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 8px;
  background: transparent;
  border: 1.5px solid var(--theme-text-secondary);
  color: var(--theme-text-secondary);
  white-space: nowrap;
}

.week-card-content,
.level-card-content {
  margin-bottom: 16px;
}

.week-title,
.level-title {
  font-size: 1.1em;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--theme-text-primary);
}

.week-info,
.level-info {
  font-size: 0.85em;
  color: var(--theme-text-secondary);
  margin-bottom: 12px;
}

.week-preview,
.level-preview {
  font-size: 0.85em;
  color: var(--theme-text-secondary);
  line-height: 1.6;
  padding: 12px;
  background: rgba(0, 0, 0, 0.02);
  border-radius: 8px;
}

.week-card-footer,
.level-card-footer {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.week-card-footer.locked,
.level-card-footer.locked {
  text-align: center;
}

.week-action-btn,
.level-action-btn {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.week-action-btn.start,
.level-action-btn.start {
  background: linear-gradient(135deg, var(--theme-primary) 0%, var(--theme-primary-dark) 100%);
  color: white;
  box-shadow: 0 4px 12px var(--theme-primary-shadow);
}

.week-action-btn.start:hover,
.level-action-btn.start:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px var(--theme-primary-shadow);
}

.week-action-btn.review,
.level-action-btn.review {
  background: rgba(0, 184, 148, 0.15);
  color: #00b894;
  border: 2px solid #00b894;
}

.week-action-btn.review:hover,
.level-action-btn.review:hover {
  background: rgba(0, 184, 148, 0.25);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 184, 148, 0.2);
}

/* Session grid for week/level detail pages */
.session-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  padding: 20px 0;
}

/* Mobile: 1 column */
@media (max-width: 768px) {
  .session-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

/* Tablet: 2 columns */
@media (min-width: 769px) and (max-width: 1200px) {
  .session-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Desktop: 3 columns for detail dashboards */
@media (min-width: 1201px) {
  .session-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ===== SINGLE ROW HORIZONTAL SCROLL FOR MFR DAYS ===== */
/**
 * Single horizontal scrollable row for MFR day cards
 * Shows 3 cards at a time with smooth horizontal scrolling
 */
.days-horizontal-scroll {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  overflow-y: visible;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  padding: 20px 0;
  scroll-snap-type: x mandatory;
}

/* Each day card in the horizontal scroll */
.days-horizontal-scroll .day-card {
  flex: 0 0 calc(33.333% - 16px); /* Show 3 cards at a time */
  min-width: 300px;
  max-width: 400px;
  scroll-snap-align: start;
}

/* For mobile: show 1 card at a time */
@media (max-width: 768px) {
  .days-horizontal-scroll .day-card {
    flex: 0 0 calc(100% - 40px);
    min-width: 280px;
  }
}

/* For tablets: show 2 cards at a time */
@media (min-width: 769px) and (max-width: 1200px) {
  .days-horizontal-scroll .day-card {
    flex: 0 0 calc(50% - 12px);
    min-width: 300px;
  }
}

/* Scrollbar styling for days horizontal scroll */
.days-horizontal-scroll::-webkit-scrollbar {
  height: 8px;
}

.days-horizontal-scroll::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  margin: 0 20px;
}

.days-horizontal-scroll::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.3);
  border-radius: 10px;
}

.days-horizontal-scroll::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.5);
}

/* Add scroll indicators (fade effect at edges) */
.days-horizontal-scroll::before,
.days-horizontal-scroll::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 40px;
  pointer-events: none;
  z-index: 1;
}

.days-horizontal-scroll::before {
  left: 0;
  background: linear-gradient(to right, rgba(102, 126, 234, 0.3), transparent);
}

.days-horizontal-scroll::after {
  right: 0;
  background: linear-gradient(to left, rgba(102, 126, 234, 0.3), transparent);
}

/* Container wrapper for the days scroll section */
.grouped-sessions-overview {
  position: relative;
}

/* ===== UNIFIED GROUP CARD STYLES (Week & Level) ===== */
/**
 * GroupCard - Unified component for week and level cards
 * Replaces separate WeekCard and LevelCard components
 * Matches SessionCard visual appearance
 */
.group-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-radius: 24px;
  padding: 32px;
  min-width: 280px;
  position: relative;
  overflow: hidden;
  transition: all 0.4s ease;
  border: 2px solid transparent;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
}

.group-card:not(.locked):hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.group-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.group-number-badge {
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9em;
  background: transparent;
}

.group-number-badge.available {
  border: 1.5px solid #3b82f6;
  color: #3b82f6;
}

.group-number-badge.completed {
  border: 1.5px solid #22c55e;
  color: #22c55e;
}

.group-number-badge.locked {
  border: 1.5px solid #9ca3af;
  color: #9ca3af;
}

.group-status {
  font-size: 0.85em;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 8px;
  background: transparent;
  border: 1.5px solid var(--theme-text-secondary);
  color: var(--theme-text-secondary);
  white-space: nowrap;
}

.group-card-content {
  margin-bottom: 16px;
}

.group-title {
  font-size: 1.1em;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--theme-text-primary);
}

.group-info {
  font-size: 0.85em;
  color: var(--theme-text-secondary);
  margin-bottom: 12px;
}

.group-preview {
  font-size: 0.85em;
  color: var(--theme-text-secondary);
  line-height: 1.6;
  padding: 12px;
  background: rgba(0, 0, 0, 0.02);
  border-radius: 8px;
}

.group-card-footer {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.group-card-footer.locked {
  text-align: center;
}

.group-action-btn {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.group-action-btn.start {
  background: linear-gradient(135deg, var(--theme-primary) 0%, var(--theme-primary-dark) 100%);
  color: white;
  box-shadow: 0 4px 12px var(--theme-primary-shadow);
}

.group-action-btn.start:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px var(--theme-primary-shadow);
}

.group-action-btn.review {
  background: rgba(0, 184, 148, 0.15);
  color: #00b894;
  border: 2px solid #00b894;
}

.group-action-btn.review:hover {
  background: rgba(0, 184, 148, 0.25);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 184, 148, 0.2);
}

/* ==========================================================================
   LIGHT/DARK MODE SYSTEM
   Works alongside course themes (foundations, mfr, subscription)
   Course themes set accent colors; light/dark mode sets backgrounds & text
   ========================================================================== */

/* ==========================================================================
   LIGHT MODE (Default) - Applied via .theme-light class or no class
   ========================================================================== */
:root,
.theme-light {
  /* Background colors */
  --mode-bg-primary: rgba(255, 255, 255, 0.95);
  --mode-bg-secondary: rgba(255, 255, 255, 0.15);
  --mode-bg-tertiary: rgba(255, 255, 255, 0.05);
  --mode-bg-card: rgba(255, 255, 255, 0.95);
  --mode-bg-card-hover: rgba(255, 255, 255, 1);
  --mode-bg-input: rgba(255, 255, 255, 0.9);
  --mode-bg-overlay: rgba(0, 0, 0, 0.5);

  /* Text colors */
  --mode-text-primary: #1e293b;
  --mode-text-secondary: #64748b;
  --mode-text-muted: #94a3b8;
  --mode-text-inverse: #ffffff;

  /* Border colors */
  --mode-border-light: rgba(255, 255, 255, 0.2);
  --mode-border-medium: rgba(0, 0, 0, 0.1);
  --mode-border-strong: rgba(0, 0, 0, 0.2);

  /* Shadow colors */
  --mode-shadow-light: rgba(0, 0, 0, 0.08);
  --mode-shadow-medium: rgba(0, 0, 0, 0.12);
  --mode-shadow-heavy: rgba(0, 0, 0, 0.15);

  /* Glass effect */
  --mode-glass-bg: rgba(255, 255, 255, 0.95);
  --mode-glass-border: rgba(255, 255, 255, 0.2);

  /* Form elements */
  --mode-input-bg: rgba(255, 255, 255, 0.9);
  --mode-input-border: rgba(0, 0, 0, 0.1);
  --mode-input-focus-border: var(--theme-primary);

  /* Status colors (slightly adjusted for light bg) */
  --mode-success-bg: rgba(0, 184, 148, 0.1);
  --mode-error-bg: rgba(239, 68, 68, 0.1);
  --mode-warning-bg: rgba(245, 158, 11, 0.1);
  --mode-info-bg: rgba(59, 130, 246, 0.1);

  /* Loading skeleton */
  --mode-skeleton-base: #f0f0f0;
  --mode-skeleton-highlight: #e0e0e0;

  /* Footer */
  --mode-footer-bg: rgba(255, 255, 255, 0.9);
  --mode-footer-text: #64748b;
}

/* ==========================================================================
   DARK MODE - Applied via .theme-dark class
   ========================================================================== */
.theme-dark {
  /* Background colors */
  --mode-bg-primary: rgba(30, 41, 59, 0.95);
  --mode-bg-secondary: rgba(51, 65, 85, 0.5);
  --mode-bg-tertiary: rgba(51, 65, 85, 0.3);
  --mode-bg-card: rgba(30, 41, 59, 0.95);
  --mode-bg-card-hover: rgba(51, 65, 85, 0.95);
  --mode-bg-input: rgba(51, 65, 85, 0.8);
  --mode-bg-overlay: rgba(0, 0, 0, 0.7);

  /* Text colors */
  --mode-text-primary: #f1f5f9;
  --mode-text-secondary: #cbd5e1;
  --mode-text-muted: #94a3b8;
  --mode-text-inverse: #1e293b;

  /* Border colors */
  --mode-border-light: rgba(255, 255, 255, 0.1);
  --mode-border-medium: rgba(255, 255, 255, 0.15);
  --mode-border-strong: rgba(255, 255, 255, 0.2);

  /* Shadow colors (darker for contrast) */
  --mode-shadow-light: rgba(0, 0, 0, 0.3);
  --mode-shadow-medium: rgba(0, 0, 0, 0.4);
  --mode-shadow-heavy: rgba(0, 0, 0, 0.5);

  /* Glass effect */
  --mode-glass-bg: rgba(30, 41, 59, 0.9);
  --mode-glass-border: rgba(255, 255, 255, 0.1);

  /* Form elements */
  --mode-input-bg: rgba(51, 65, 85, 0.8);
  --mode-input-border: rgba(255, 255, 255, 0.15);
  --mode-input-focus-border: var(--theme-primary);

  /* Status colors (adjusted for dark bg) */
  --mode-success-bg: rgba(0, 184, 148, 0.2);
  --mode-error-bg: rgba(239, 68, 68, 0.2);
  --mode-warning-bg: rgba(245, 158, 11, 0.2);
  --mode-info-bg: rgba(59, 130, 246, 0.2);

  /* Loading skeleton */
  --mode-skeleton-base: #334155;
  --mode-skeleton-highlight: #475569;

  /* Footer */
  --mode-footer-bg: rgba(30, 41, 59, 0.95);
  --mode-footer-text: #94a3b8;
}

/* ==========================================================================
   APPLY MODE VARIABLES TO COMPONENTS
   These override the hardcoded colors in existing components
   ========================================================================== */

/* Glass cards */
.theme-dark .glass-card,
.theme-dark .page-container {
  background: var(--mode-glass-bg);
  border-color: var(--mode-glass-border);
  box-shadow: 0 12px 24px var(--mode-shadow-medium);
}

.theme-dark .glass-card-secondary {
  background: var(--mode-bg-secondary);
}

/* Text colors */
.theme-dark .welcome-title,
.theme-dark .section-title,
.theme-dark .progress-title,
.theme-dark .session-title,
.theme-dark .day-info h3,
.theme-dark .week-header h3,
.theme-dark .level-header h3,
.theme-dark .group-title,
.theme-dark .day-title,
.theme-dark .week-title,
.theme-dark .level-title,
.theme-dark .feature-title,
.theme-dark .achievement-label,
.theme-dark .error-title,
.theme-dark .step-card h3,
.theme-dark .solution-card h3 {
  color: var(--mode-text-primary);
}

.theme-dark .welcome-subtitle,
.theme-dark .welcome-message,
.theme-dark .section-subtitle,
.theme-dark .progress-text,
.theme-dark .session-description,
.theme-dark .session-phase,
.theme-dark .day-info p,
.theme-dark .day-phase,
.theme-dark .day-description,
.theme-dark .week-info,
.theme-dark .level-info,
.theme-dark .group-info,
.theme-dark .group-preview,
.theme-dark .week-preview,
.theme-dark .level-preview,
.theme-dark .feature-description,
.theme-dark .achievement-description,
.theme-dark .error-subtitle,
.theme-dark .step-card p,
.theme-dark .solution-card p,
.theme-dark .pricing-features li {
  color: var(--mode-text-secondary);
}

.theme-dark .journey-context,
.theme-dark .meta-item,
.theme-dark .day-meta {
  color: var(--mode-text-muted);
}

/* Session cards */
.theme-dark .session-card {
  background: var(--mode-glass-bg);
  box-shadow: 0 12px 24px var(--mode-shadow-medium);
}

.theme-dark .session-card::before {
  background: var(--mode-border-medium);
}

.theme-dark .session-card.current {
  border-color: #74b9ff;
  box-shadow: 0 16px 32px rgba(116, 185, 255, 0.2);
}

/* Day/Week/Level/Group cards */
.theme-dark .day-card,
.theme-dark .week-card,
.theme-dark .level-card,
.theme-dark .group-card {
  background: var(--mode-glass-bg);
  box-shadow: 0 12px 24px var(--mode-shadow-medium);
}

.theme-dark .day-card:not(.locked):hover,
.theme-dark .week-card:not(.locked):hover,
.theme-dark .level-card:not(.locked):hover,
.theme-dark .group-card:not(.locked):hover {
  box-shadow: 0 12px 24px var(--mode-shadow-heavy);
}

/* Day number circle */
.theme-dark .day-number {
  background: var(--mode-bg-secondary);
  color: var(--mode-text-secondary);
}

/* Form inputs */
.theme-dark .form-input {
  background: var(--mode-input-bg);
  border-color: var(--mode-input-border);
  color: var(--mode-text-primary);
}

.theme-dark .form-input:focus {
  border-color: var(--mode-input-focus-border);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.3);
}

.theme-dark .form-input::placeholder {
  color: var(--mode-text-muted);
}

.theme-dark .form-label {
  color: var(--mode-text-primary);
}

/* Progress bar */
.theme-dark .progress-bar-container {
  background: var(--mode-bg-secondary);
}

/* Buttons - secondary */
.theme-dark .btn-secondary {
  background: var(--mode-bg-secondary);
  color: var(--mode-text-primary);
  border-color: var(--mode-border-medium);
}

.theme-dark .btn-secondary:hover:not(:disabled) {
  background: var(--mode-bg-tertiary);
  border-color: var(--theme-primary);
}

/* Action buttons */
.theme-dark .action-review {
  background: rgba(0, 184, 148, 0.2);
}

.theme-dark .action-review:hover {
  background: rgba(0, 184, 148, 0.3);
}

.theme-dark .action-locked {
  background: var(--mode-bg-secondary);
  color: var(--mode-text-muted);
}

/* Footer */
.theme-dark .page-footer {
  background: var(--mode-footer-bg);
  border-top-color: var(--mode-border-light);
  color: var(--mode-footer-text);
}

.theme-dark .footer-link {
  color: var(--mode-footer-text);
}

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

/* Loading skeleton */
.theme-dark .loading-skeleton {
  background: linear-gradient(90deg,
    var(--mode-skeleton-base) 25%,
    var(--mode-skeleton-highlight) 50%,
    var(--mode-skeleton-base) 75%);
  background-size: 200% 100%;
}

/* Auth card (login/register pages) */
.theme-dark .auth-card {
  background: var(--mode-glass-bg);
  border-color: var(--mode-glass-border);
}

.theme-dark .auth-title,
.theme-dark .auth-subtitle {
  color: var(--mode-text-primary);
}

.theme-dark .auth-alt-text {
  color: var(--mode-text-secondary);
}

.theme-dark .trust-text {
  color: var(--mode-text-secondary);
}

/* Checkbox elements (login remember me, registration) */
.theme-dark .checkbox-item:hover {
  background: var(--mode-bg-tertiary);
}

.theme-dark .checkbox-label {
  color: var(--mode-text-secondary);
}

.theme-dark .checkmark {
  border-color: var(--mode-border-strong);
}

/* Course menu dropdown */
.theme-dark .course-menu {
  background: var(--mode-glass-bg);
  border-color: var(--mode-glass-border);
}

/* User menu (mobile) */
.theme-dark .user-menu {
  background: rgba(30, 41, 59, 0.98);
}

/* Achievement/Feature cards */
.theme-dark .achievement-card,
.theme-dark .feature-card,
.theme-dark .pricing-card,
.theme-dark .solution-card,
.theme-dark .step-card {
  background: var(--mode-glass-bg);
  border-color: var(--mode-border-medium);
}

.theme-dark .achievement-card:hover,
.theme-dark .feature-card:hover,
.theme-dark .solution-card:hover,
.theme-dark .step-card:hover {
  border-color: var(--theme-primary);
}

/* Card footer borders */
.theme-dark .day-card-footer,
.theme-dark .week-card-footer,
.theme-dark .level-card-footer,
.theme-dark .group-card-footer {
  border-top-color: var(--mode-border-light);
}

/* Week/Level header borders */
.theme-dark .week-header,
.theme-dark .level-header {
  border-bottom-color: var(--mode-border-medium);
}

/* Progress indicators */
.theme-dark .week-progress,
.theme-dark .level-progress {
  background: var(--mode-bg-secondary);
  color: var(--mode-text-secondary);
}

/* Status badges - keep borders, update colors for dark bg */
.theme-dark .session-status,
.theme-dark .day-status,
.theme-dark .week-status,
.theme-dark .level-status,
.theme-dark .group-status {
  background: transparent;
}

/* Locked state text */
.theme-dark .locked-message {
  color: var(--mode-text-muted);
}

/* Preview sections */
.theme-dark .group-preview,
.theme-dark .week-preview,
.theme-dark .level-preview {
  background: var(--mode-bg-tertiary);
}

/* Level lock indicator */
.theme-dark .level-lock {
  background: var(--mode-bg-secondary);
  color: var(--mode-text-muted);
}

/* ==========================================================================
   DARK MODE - AUTH/LOGIN PAGE FIXES
   ========================================================================== */

/* Auth divider - "or" separator line */
.theme-dark .auth-divider::before {
  background: var(--mode-border-medium);
}

.theme-dark .auth-divider span {
  background: var(--mode-glass-bg);
  color: var(--mode-text-muted);
}

.theme-dark .auth-divider {
  color: var(--mode-text-muted);
}

/* Remember me checkbox and form options */
.theme-dark .form-options {
  color: var(--mode-text-secondary);
}

.theme-dark .form-options label {
  color: var(--mode-text-secondary);
}

/* Trust indicators at bottom of login */
.theme-dark .trust-indicators {
  background: var(--mode-bg-secondary);
  border-top-color: var(--mode-border-light);
}

.theme-dark .trust-item {
  color: var(--mode-text-secondary);
}

/* ==========================================================================
   DARK MODE - HEADER/NAVIGATION FIXES
   ========================================================================== */

/* Header - ensure consistent dark background */
.theme-dark .page-header {
  background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
}

/* Ensure header navigation container matches header background */
.theme-dark .header-actions,
.theme-dark .user-menu {
  background: transparent;
}

.theme-dark .menu-btn {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.15);
}

.theme-dark .menu-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* ==========================================================================
   DARK MODE - SESSION PAGE FIXES
   ========================================================================== */

/* Video title - ensure proper contrast */
.theme-dark .video-title {
  color: var(--mode-text-primary);
}

.theme-dark .video-description p {
  color: var(--mode-text-secondary);
}

/* Session sidebar info sections - darker versions for dark mode */
.theme-dark .learning-section {
  background: rgba(39, 174, 96, 0.15);
  border: 1px solid rgba(39, 174, 96, 0.3);
}

.theme-dark .learning-section .section-title {
  color: #6dd5a0;
}

.theme-dark .objectives-list li {
  color: #6dd5a0;
}

.theme-dark .key-points {
  background: rgba(116, 185, 255, 0.12);
  border-left-color: #74b9ff;
}

.theme-dark .key-points .section-title {
  color: #74b9ff;
}

.theme-dark .key-points-list li {
  color: var(--mode-text-secondary);
}

.theme-dark .mistakes-section {
  background: rgba(255, 107, 107, 0.12);
  border-left-color: #ff6b6b;
}

.theme-dark .mistakes-section .section-title {
  color: #ff8787;
}

.theme-dark .mistakes-list li {
  color: #ff8787;
}

/* Session action buttons - ensure text is visible */
.theme-dark .action-btn-secondary {
  background: rgba(0, 184, 148, 0.15);
  color: #00d9a5;
  border-color: #00b894;
}

.theme-dark .action-btn-secondary:hover {
  background: rgba(0, 184, 148, 0.25);
  color: #00ffbb;
}

/* Session stats */
.theme-dark .stat-label {
  color: var(--mode-text-muted);
}

.theme-dark .stat-value {
  color: var(--mode-text-primary);
}

.theme-dark .session-stats {
  border-color: var(--mode-border-light);
}

.theme-dark .social-proof {
  border-top-color: var(--mode-border-light);
}

/* Completion message and celebration modal */
.theme-dark .completion-message {
  background: var(--mode-glass-bg);
}

.theme-dark .celebration-modal {
  background: var(--mode-glass-bg);
}

.theme-dark .celebration-modal h3,
.theme-dark .celebration-text h3 {
  color: var(--mode-text-primary);
}

.theme-dark .celebration-modal p,
.theme-dark .celebration-text p {
  color: var(--mode-text-secondary);
}

/* ==========================================================================
   DARK MODE - HELP/INFO PAGE FIXES
   ========================================================================== */

/* FAQ items */
.theme-dark .faq-item {
  background: var(--mode-glass-bg);
  border-color: var(--mode-border-medium);
}

.theme-dark .faq-question {
  background: var(--mode-bg-secondary);
  color: var(--mode-text-primary);
}

.theme-dark .faq-question::after {
  color: var(--mode-text-muted);
}

.theme-dark .faq-question:hover {
  background: var(--mode-bg-tertiary);
}

.theme-dark .faq-answer {
  color: var(--mode-text-secondary);
}

.theme-dark .faq-answer strong {
  color: var(--mode-text-primary);
}

/* Search section */
.theme-dark .search-input {
  background: var(--mode-input-bg);
  border-color: var(--mode-input-border);
  color: var(--mode-text-primary);
}

.theme-dark .search-input:focus {
  background: var(--mode-bg-secondary);
}

.theme-dark .search-input::placeholder {
  color: var(--mode-text-muted);
}

.theme-dark .search-title {
  color: var(--mode-text-primary);
}

.theme-dark .search-subtitle {
  color: var(--mode-text-secondary);
}

/* Quick links */
.theme-dark .quick-links-title {
  color: var(--mode-text-primary);
}

.theme-dark .quick-link-btn {
  background: var(--mode-bg-secondary);
  border-color: var(--mode-border-strong);
  color: var(--mode-text-primary);
}

.theme-dark .quick-link-btn:hover {
  background: var(--theme-primary-light);
  border-color: var(--theme-primary);
  color: var(--theme-primary);
}

/* Contact methods */
.theme-dark .contact-method {
  background: var(--mode-glass-bg);
  border-color: var(--mode-border-medium);
}

.theme-dark .contact-method h3 {
  color: var(--mode-text-primary);
}

.theme-dark .contact-method p {
  color: var(--mode-text-secondary);
}

.theme-dark .contact-time {
  color: var(--mode-text-muted);
}

/* TOC card */
.theme-dark .toc-title {
  color: var(--mode-text-primary);
}

.theme-dark .toc-link {
  color: var(--mode-text-secondary);
}

.theme-dark .toc-link:hover {
  color: var(--theme-primary);
}

/* Help contact box */
.theme-dark .help-contact {
  background: rgba(102, 126, 234, 0.15);
  border-color: rgba(102, 126, 234, 0.3);
}

.theme-dark .contact-title {
  color: var(--mode-text-primary);
}

.theme-dark .contact-description {
  color: var(--mode-text-secondary);
}

/* About and legal sections */
.theme-dark .about-section,
.theme-dark .legal-section {
  background: var(--mode-glass-bg);
  border-color: var(--mode-border-medium);
}

.theme-dark .about-section h2,
.theme-dark .legal-section h2 {
  color: var(--mode-text-primary);
}

.theme-dark .about-section p,
.theme-dark .legal-section p,
.theme-dark .legal-section li {
  color: var(--mode-text-secondary);
}

.theme-dark .about-header h1 {
  color: var(--mode-text-primary);
}

.theme-dark .about-subtitle {
  color: var(--mode-text-secondary);
}

.theme-dark .values-list li {
  color: var(--mode-text-secondary);
  border-bottom-color: var(--mode-border-light);
}

/* Legal page header and titles */
.theme-dark .legal-header h1 {
  color: var(--mode-text-primary);
}

.theme-dark .legal-header {
  border-bottom-color: var(--mode-border-medium);
}

.theme-dark .legal-date {
  color: var(--mode-text-muted);
}

/* ==========================================================================
   DARK MODE - PROFILE PAGE FIXES
   ========================================================================== */

/* Profile name and info */
.theme-dark .profile-name {
  color: var(--mode-text-primary);
}

.theme-dark .profile-email {
  color: var(--mode-text-secondary);
}

.theme-dark .profile-meta .meta-item {
  color: var(--mode-text-secondary);
}

/* Settings items */
.theme-dark .setting-item {
  border-color: var(--mode-border-medium);
}

.theme-dark .setting-item:hover {
  background: var(--mode-bg-tertiary);
}

.theme-dark .setting-item.danger {
  border-color: rgba(231, 76, 60, 0.4);
}

.theme-dark .setting-item.danger:hover {
  background: rgba(231, 76, 60, 0.1);
}

.theme-dark .setting-name {
  color: var(--mode-text-primary);
}

.theme-dark .setting-description {
  color: var(--mode-text-muted);
}

/* Stats card - profile page */
.theme-dark .stat-item {
  background: var(--mode-bg-secondary);
}

.theme-dark .stat-item .stat-label,
.theme-dark .stats-grid .stat-label,
.theme-dark .stat-label {
  color: var(--mode-text-primary) !important;
}

.theme-dark .stat-item .stat-value,
.theme-dark .stats-grid .stat-value {
  color: var(--theme-primary);
}

/* Achievement items */
.theme-dark .achievement-item {
  background: var(--mode-bg-secondary);
}

.theme-dark .achievement-item.unlocked {
  background: rgba(102, 126, 234, 0.15);
  border-color: rgba(102, 126, 234, 0.3);
}

.theme-dark .achievement-title,
.theme-dark .achievement-name {
  color: var(--mode-text-primary);
}

.theme-dark .no-achievements-text {
  color: var(--mode-text-secondary);
}

/* Courses list */
.theme-dark .course-item {
  border-color: var(--mode-border-medium);
}

.theme-dark .course-item:hover {
  background: var(--mode-bg-tertiary);
}

.theme-dark .course-name {
  color: var(--mode-text-primary);
}

.theme-dark .progress-bar-mini {
  background: var(--mode-bg-secondary);
}

/* Preferences */
.theme-dark .preference-item {
  border-color: var(--mode-border-medium);
}

.theme-dark .preference-name {
  color: var(--mode-text-primary);
}

.theme-dark .preference-description {
  color: var(--mode-text-muted);
}

.theme-dark .preference-section-header {
  color: var(--mode-text-secondary);
  border-bottom-color: var(--mode-border-light);
}

.theme-dark .preference-select,
.theme-dark .preference-time-input {
  background: var(--mode-input-bg);
  border-color: var(--mode-input-border);
  color: var(--mode-text-primary);
}

.theme-dark .preference-hint {
  background: rgba(102, 126, 234, 0.15);
}

.theme-dark .preference-hint .hint-text {
  color: var(--mode-text-secondary);
}

/* Toggle slider */
.theme-dark .toggle-slider {
  background-color: var(--mode-bg-secondary);
}

/* Profile card actions border */
.theme-dark .profile-card-actions {
  border-top-color: var(--mode-border-light);
}

/* ==========================================================================
   DARK MODE TRANSITION
   Smooth transition when switching themes
   ========================================================================== */
html.theme-transitioning,
html.theme-transitioning *,
html.theme-transitioning *::before,
html.theme-transitioning *::after {
  transition: background-color 0.3s ease,
              color 0.3s ease,
              border-color 0.3s ease,
              box-shadow 0.3s ease !important;
}