/* ===========================
   UNIFIED DASHBOARD - SIDEBAR LAYOUT
   Priodemy Learning Platform
   Enterprise-grade Dashboard UI v2.0
   =========================== */

/* CSS Variables / Design Tokens */
:root {
  /* Primary Colors - Refined Gradient Palette */
  --primary: #6366F1;
  --primary-dark: #4F46E5;
  --primary-darker: #4338CA;
  --primary-light: rgba(99, 102, 241, 0.1);
  --primary-lighter: rgba(99, 102, 241, 0.05);
  --primary-glow: rgba(99, 102, 241, 0.25);
  --primary-gradient: linear-gradient(135deg, #6366F1 0%, #8B5CF6 50%, #A855F7 100%);
  --primary-gradient-subtle: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);

  /* Course Colors - Vibrant */
  --html-color: #F97316;
  --html-gradient: linear-gradient(135deg, #F97316 0%, #EA580C 100%);
  --css-color: #3B82F6;
  --css-gradient: linear-gradient(135deg, #3B82F6 0%, #2563EB 100%);
  --js-color: #EAB308;
  --js-gradient: linear-gradient(135deg, #EAB308 0%, #CA8A04 100%);
  --robotics-color: #EC4899;
  --robotics-gradient: linear-gradient(135deg, #EC4899 0%, #DB2777 100%);

  /* Semantic Colors - Enhanced */
  --success: #10B981;
  --success-dark: #059669;
  --success-light: rgba(16, 185, 129, 0.1);
  --success-gradient: linear-gradient(135deg, #10B981 0%, #059669 100%);
  --warning: #F59E0B;
  --warning-dark: #D97706;
  --warning-light: rgba(245, 158, 11, 0.1);
  --warning-gradient: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
  --danger: #EF4444;
  --danger-dark: #DC2626;
  --danger-light: rgba(239, 68, 68, 0.1);
  --danger-gradient: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
  --info: #3B82F6;
  --info-dark: #2563EB;
  --info-light: rgba(59, 130, 246, 0.1);
  --info-gradient: linear-gradient(135deg, #3B82F6 0%, #2563EB 100%);

  /* Neutral Colors - Refined */
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-150: #E8EDF4;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1E293B;
  --gray-900: #0F172A;
  --gray-950: #020617;

  /* Background Colors */
  --bg-primary: #F8FAFC;
  --bg-secondary: #FFFFFF;
  --bg-elevated: #FFFFFF;
  --bg-pattern: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%236366F1' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");

  /* Layout */
  --sidebar-width: 280px;
  --sidebar-collapsed-width: 72px;
  --header-height: 72px;
  --content-max-width: 1600px;
  --border-radius-xs: 4px;
  --border-radius-sm: 8px;
  --border-radius-md: 12px;
  --border-radius-lg: 16px;
  --border-radius-xl: 20px;
  --border-radius-2xl: 24px;
  --border-radius-full: 9999px;

  /* Shadows - Layered for depth */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.04);
  --shadow-colored: 0 4px 14px 0 rgba(99, 102, 241, 0.25);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.15);

  /* Glass Effect */
  --glass-bg: rgba(255, 255, 255, 0.8);
  --glass-border: rgba(255, 255, 255, 0.5);
  --glass-blur: blur(10px);

  /* Transitions - Smooth */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Spacing Scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
}

/* ===========================
   BASE STYLES & RESET
   =========================== */
*, *::before, *::after {
  box-sizing: border-box;
}

body.dashboard-layout {
  margin: 0;
  padding: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-primary);
  background-image: var(--bg-pattern);
  background-attachment: fixed;
  color: var(--gray-800);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===========================
   LOADING STATE
   =========================== */
.dashboard-loading {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--gray-50) 0%, #EEF2FF 50%, var(--gray-100) 100%);
  z-index: 9999;
  gap: 28px;
}

.loading-spinner {
  width: 56px;
  height: 56px;
  border: 4px solid var(--gray-200);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.2);
}

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

.dashboard-loading p {
  color: var(--gray-600);
  font-size: 0.938rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

/* Loading pulse animation */
.dashboard-loading::before {
  content: '';
  position: absolute;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--primary-gradient);
  opacity: 0.1;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.1; }
  50% { transform: scale(1.2); opacity: 0.05; }
}

/* ===========================
   LOGIN REQUIRED STATE
   =========================== */
.login-required {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #F8FAFC 0%, #EEF2FF 50%, #E0E7FF 100%);
  padding: 20px;
  z-index: 9998;
}

.login-required::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 80%;
  height: 150%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.login-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--border-radius-2xl);
  padding: 56px 48px;
  text-align: center;
  max-width: 440px;
  width: 100%;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.1), 0 0 0 1px rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.8);
  position: relative;
  animation: cardSlideUp 0.5s ease-out;
}

@keyframes cardSlideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.login-icon {
  width: 96px;
  height: 96px;
  background: var(--primary-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 28px;
  box-shadow: 0 16px 40px rgba(99, 102, 241, 0.35);
  position: relative;
}

.login-icon::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: var(--primary-gradient);
  opacity: 0.2;
  animation: iconPulse 2s ease-in-out infinite;
}

@keyframes iconPulse {
  0%, 100% { transform: scale(1); opacity: 0.2; }
  50% { transform: scale(1.1); opacity: 0.1; }
}

.login-icon i {
  font-size: 2.5rem;
  color: white;
  position: relative;
  z-index: 1;
}

.login-card h2 {
  font-size: 1.875rem;
  font-weight: 800;
  color: var(--gray-900);
  margin: 0 0 12px;
  letter-spacing: -0.025em;
}

.login-card > p {
  color: var(--gray-500);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 36px;
}

.google-signin-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  width: 100%;
  padding: 16px 28px;
  background: white;
  border: 2px solid var(--gray-200);
  border-radius: var(--border-radius-lg);
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-700);
  cursor: pointer;
  transition: all var(--transition-normal);
  margin-bottom: 36px;
  position: relative;
  overflow: hidden;
}

.google-signin-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--primary-gradient-subtle);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.google-signin-btn img {
  width: 22px;
  height: 22px;
  position: relative;
  z-index: 1;
}

.google-signin-btn span {
  position: relative;
  z-index: 1;
}

.google-signin-btn:hover {
  border-color: var(--primary);
  color: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg), var(--shadow-colored);
}

.google-signin-btn:hover::before {
  opacity: 1;
}

.google-signin-btn:active {
  transform: translateY(-1px);
}

.login-features {
  display: flex;
  justify-content: center;
  gap: 40px;
}

.login-features .feature {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.login-features .feature i {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  color: var(--primary);
  background: var(--primary-light);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-normal);
}

.login-features .feature:hover i {
  transform: scale(1.1);
  box-shadow: var(--shadow-colored);
}

.login-features .feature span {
  font-size: 0.813rem;
  color: var(--gray-600);
  font-weight: 600;
}

/* ===========================
   DASHBOARD CONTAINER
   =========================== */
.dashboard-container {
  display: flex;
  min-height: 100vh;
}

/* ===========================
   SIDEBAR NAVIGATION
   =========================== */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: linear-gradient(180deg, #FFFFFF 0%, #FAFBFF 100%);
  border-right: 1px solid rgba(99, 102, 241, 0.08);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform var(--transition-normal), width var(--transition-normal);
  box-shadow: 4px 0 24px rgba(0, 0, 0, 0.03);
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 24px 20px;
  border-bottom: 1px solid rgba(99, 102, 241, 0.06);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  transition: transform var(--transition-fast);
}

.sidebar-brand:hover {
  transform: scale(1.02);
}

.sidebar-logo {
  width: 120px;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 4px 12px rgba(99, 102, 241, 0.25));
}

.sidebar-brand-text {
  font-size: 1.375rem;
  font-weight: 800;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.sidebar-toggle {
  display: none;
  width: 38px;
  height: 38px;
  border: none;
  background: var(--gray-100);
  border-radius: var(--border-radius-md);
  color: var(--gray-600);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.sidebar-toggle:hover {
  background: var(--primary-light);
  color: var(--primary);
}

/* Sidebar Navigation */
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 24px 0;
}

.nav-section {
  margin-bottom: 28px;
}

.nav-section-title {
  display: block;
  padding: 0 24px;
  margin-bottom: 12px;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-400);
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  margin: 4px 14px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  border-radius: var(--border-radius-md);
  text-decoration: none;
  color: var(--gray-600);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition-normal);
  position: relative;
}

.nav-link i {
  width: 22px;
  font-size: 1.0625rem;
  text-align: center;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.nav-link span {
  flex: 1;
}

.nav-link:hover {
  background: var(--gray-100);
  color: var(--gray-900);
  transform: translateX(4px);
}

.nav-link:hover i {
  transform: scale(1.1);
}

.nav-link.active {
  background: var(--primary-gradient-subtle);
  color: var(--primary);
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.12);
}

.nav-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 28px;
  background: var(--primary-gradient);
  border-radius: 0 4px 4px 0;
  box-shadow: 2px 0 8px rgba(99, 102, 241, 0.3);
}

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

.nav-badge {
  padding: 3px 10px;
  background: var(--primary-gradient);
  color: white;
  font-size: 0.625rem;
  font-weight: 700;
  border-radius: var(--border-radius-full);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
  animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse {
  0%, 100% { box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3); }
  50% { box-shadow: 0 2px 16px rgba(99, 102, 241, 0.5); }
}

.nav-external {
  font-size: 0.625rem;
  color: var(--gray-400);
  transition: color var(--transition-fast);
}

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

/* Sidebar User Card */
.sidebar-user {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  border-top: 1px solid rgba(99, 102, 241, 0.06);
  background: linear-gradient(180deg, transparent 0%, rgba(99, 102, 241, 0.02) 100%);
  position: relative;
}

.sidebar-user-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid rgba(99, 102, 241, 0.2);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
  transition: all var(--transition-normal);
}

.sidebar-user-avatar:hover {
  transform: scale(1.05);
  border-color: var(--primary);
}

.sidebar-user-info {
  flex: 1;
  min-width: 0;
}

.sidebar-user-name {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--gray-900);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: -0.01em;
}

.sidebar-user-email {
  display: block;
  font-size: 0.75rem;
  color: var(--gray-500);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 2px;
}

.sidebar-user-menu {
  width: 34px;
  height: 34px;
  border: none;
  background: var(--gray-100);
  border-radius: var(--border-radius-sm);
  color: var(--gray-500);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.sidebar-user-menu:hover {
  background: var(--primary-light);
  color: var(--primary);
  transform: rotate(90deg);
}

.user-dropdown {
  position: absolute;
  bottom: 100%;
  left: 16px;
  right: 16px;
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-xl);
  padding: 8px;
  display: none;
  margin-bottom: 12px;
  animation: dropdownSlideUp 0.2s ease-out;
}

@keyframes dropdownSlideUp {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.user-dropdown.show {
  display: block;
}

.user-dropdown .dropdown-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--border-radius-sm);
  text-decoration: none;
  color: var(--gray-600);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.user-dropdown .dropdown-item:hover {
  background: var(--primary-light);
  color: var(--primary);
  transform: translateX(4px);
}

.user-dropdown .dropdown-item i {
  width: 18px;
  text-align: center;
  font-size: 0.9375rem;
}

/* ===========================
   MAIN CONTENT AREA
   =========================== */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: transparent;
}

/* Content Header */
.content-header {
  position: sticky;
  top: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(99, 102, 241, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 36px;
  z-index: 50;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 18px;
}

.mobile-menu-btn {
  display: none;
  width: 42px;
  height: 42px;
  border: none;
  background: var(--gray-100);
  border-radius: var(--border-radius-md);
  color: var(--gray-600);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.mobile-menu-btn:hover {
  background: var(--primary-light);
  color: var(--primary);
}

.header-title h1 {
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--gray-900);
  margin: 0;
  letter-spacing: -0.02em;
}

.header-breadcrumb {
  font-size: 0.8125rem;
  color: var(--gray-500);
  font-weight: 500;
  margin-top: 2px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.streak-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  background: linear-gradient(135deg, #F97316 0%, #EA580C 50%, #DC2626 100%);
  color: white;
  border-radius: var(--border-radius-full);
  font-size: 0.875rem;
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(249, 115, 22, 0.35);
  letter-spacing: -0.01em;
  position: relative;
  overflow: hidden;
}

.streak-badge::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  animation: streakShine 3s ease-in-out infinite;
}

@keyframes streakShine {
  0% { left: -100%; }
  50%, 100% { left: 100%; }
}

.streak-badge i {
  animation: flamePulse 1s ease-in-out infinite;
  filter: drop-shadow(0 0 4px rgba(255, 255, 255, 0.5));
}

@keyframes flamePulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.2); }
}

.header-btn {
  width: 42px;
  height: 42px;
  border: none;
  background: var(--gray-100);
  border-radius: var(--border-radius-md);
  color: var(--gray-600);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: all var(--transition-normal);
  position: relative;
}

.header-btn:hover {
  background: var(--primary-light);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.notification-dot {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 9px;
  height: 9px;
  background: var(--danger);
  border-radius: 50%;
  border: 2px solid white;
  animation: notificationPulse 2s ease-in-out infinite;
}

@keyframes notificationPulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
  50% { transform: scale(1.1); box-shadow: 0 0 0 4px rgba(239, 68, 68, 0); }
}

/* Notification Dropdown */
.notification-wrapper {
  position: relative;
}

.notification-dropdown {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  width: 360px;
  max-height: 480px;
  background: white;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  border: 1px solid var(--gray-200);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.2s ease;
  z-index: 1000;
  overflow: hidden;
}

.notification-dropdown.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.notification-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--gray-200);
  background: var(--gray-50);
}

.notification-header h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-900);
  margin: 0;
}

.mark-all-read {
  background: none;
  border: none;
  font-size: 13px;
  color: var(--primary);
  cursor: pointer;
  font-weight: 500;
  padding: 4px 8px;
  border-radius: var(--border-radius-sm);
  transition: background 0.2s;
}

.mark-all-read:hover {
  background: var(--primary-light);
}

.notification-list {
  max-height: 360px;
  overflow-y: auto;
}

.notification-item {
  display: flex;
  gap: 12px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--gray-100);
  cursor: pointer;
  transition: background 0.2s;
}

.notification-item:hover {
  background: var(--gray-50);
}

.notification-item.unread {
  background: rgba(233, 30, 140, 0.04);
}

.notification-item.unread::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
}

.notification-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 16px;
}

.notification-icon.achievement {
  background: linear-gradient(135deg, #fef3c7, #fde68a);
  color: #d97706;
}

.notification-icon.lesson {
  background: linear-gradient(135deg, #dbeafe, #bfdbfe);
  color: #2563eb;
}

.notification-icon.assessment {
  background: linear-gradient(135deg, #fce7f3, #fbcfe8);
  color: #db2777;
}

.notification-icon.streak {
  background: linear-gradient(135deg, #fee2e2, #fecaca);
  color: #dc2626;
}

.notification-icon.certification {
  background: linear-gradient(135deg, #d1fae5, #a7f3d0);
  color: #059669;
}

.notification-content {
  flex: 1;
  min-width: 0;
}

.notification-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-900);
  margin-bottom: 2px;
  line-height: 1.4;
}

.notification-time {
  font-size: 12px;
  color: var(--gray-500);
}

.notification-empty {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 20px;
  color: var(--gray-400);
}

.notification-empty.show {
  display: flex;
}

.notification-empty i {
  font-size: 40px;
  margin-bottom: 12px;
  opacity: 0.5;
}

.notification-empty p {
  font-size: 14px;
  margin: 0;
}

.notification-dot.hidden {
  display: none;
}

/* ===========================
   CONTENT BODY
   =========================== */
.content-body {
  flex: 1;
  padding: 36px;
  overflow-y: auto;
  max-width: var(--content-max-width);
}

/* Dashboard Sections */
.dashboard-section {
  display: none;
  animation: sectionFadeIn 0.4s ease-out;
}

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

@keyframes sectionFadeIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Section Header - Hide since top header bar already shows title/breadcrumb */
.dashboard-layout .section-header {
  display: none;
}

/* ===========================
   WELCOME BANNER
   =========================== */
.welcome-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--primary-gradient);
  border-radius: var(--border-radius-2xl);
  padding: 40px 48px;
  margin-bottom: 36px;
  color: white;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 40px -12px rgba(99, 102, 241, 0.35);
}

.welcome-banner::before {
  content: '';
  position: absolute;
  top: -80%;
  right: -30%;
  width: 80%;
  height: 250%;
  background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 60%);
  pointer-events: none;
  animation: bannerGlow 8s ease-in-out infinite alternate;
}

@keyframes bannerGlow {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(10%, -10%) scale(1.1); }
}

.welcome-banner::after {
  content: '';
  position: absolute;
  bottom: -50%;
  left: -20%;
  width: 50%;
  height: 150%;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 50%);
  pointer-events: none;
}

.welcome-content {
  position: relative;
  z-index: 1;
}

.welcome-greeting {
  font-size: 0.9375rem;
  font-weight: 600;
  opacity: 0.9;
  display: inline-block;
  margin-bottom: 8px;
  padding: 4px 14px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--border-radius-full);
  backdrop-filter: blur(4px);
}

.welcome-name {
  font-size: 2rem;
  font-weight: 800;
  margin: 0 0 12px;
  letter-spacing: -0.025em;
  color: #ffffff;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
}

.welcome-message {
  font-size: 1rem;
  opacity: 0.92;
  margin: 0;
  max-width: 440px;
  line-height: 1.7;
  font-weight: 500;
}

.welcome-illustration {
  position: relative;
  z-index: 1;
}

.welcome-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 4px solid rgba(255,255,255,0.35);
  object-fit: cover;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
  transition: transform var(--transition-normal);
}

.welcome-avatar:hover {
  transform: scale(1.08);
  border-color: rgba(255, 255, 255, 0.6);
}

/* ===========================
   STATS GRID
   =========================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 36px;
}

.stat-card {
  background: white;
  border-radius: var(--border-radius-xl);
  padding: 28px;
  display: flex;
  align-items: center;
  gap: 18px;
  border: 1px solid rgba(99, 102, 241, 0.08);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

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

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

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

.stat-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.375rem;
  flex-shrink: 0;
  position: relative;
  transition: transform var(--transition-normal);
}

.stat-card:hover .stat-icon {
  transform: scale(1.08);
}

.stat-icon.lessons-icon {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(139, 92, 246, 0.15) 100%);
  color: var(--primary);
}

.stat-icon.time-icon {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(37, 99, 235, 0.15) 100%);
  color: var(--info);
}

.stat-icon.achievement-icon {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.15) 0%, rgba(217, 119, 6, 0.15) 100%);
  color: var(--warning);
}

.stat-icon.streak-icon {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.15) 0%, rgba(220, 38, 38, 0.15) 100%);
  color: var(--danger);
}

.stat-info {
  flex: 1;
}

.stat-value {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--gray-900);
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--gray-500);
  font-weight: 500;
  margin-top: 2px;
}

.stat-trend {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 5px 10px;
  border-radius: var(--border-radius-full);
  letter-spacing: -0.01em;
}

.stat-trend.up {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(5, 150, 105, 0.15) 100%);
  color: var(--success);
}

.stat-trend.down {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.15) 0%, rgba(220, 38, 38, 0.15) 100%);
  color: var(--danger);
}

.stat-trend.neutral {
  background: var(--gray-100);
  color: var(--gray-500);
}

/* ===========================
   QUICK ACTIONS
   =========================== */
.quick-actions {
  margin-bottom: 36px;
}

.section-subtitle {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--gray-800);
  margin: 0 0 20px;
  letter-spacing: -0.01em;
}

.action-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.action-card {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 24px;
  background: white;
  border: 1px solid rgba(99, 102, 241, 0.08);
  border-radius: var(--border-radius-xl);
  text-decoration: none;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.action-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.action-card.prodify-action::before {
  background: var(--primary-gradient);
}

.action-card.quiz-action::before {
  background: var(--success-gradient);
}

.action-card.playground-action::before {
  background: var(--info-gradient);
}

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

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

.action-card .action-icon {
  width: 54px;
  height: 54px;
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.375rem;
  flex-shrink: 0;
  transition: transform var(--transition-normal);
}

.action-card:hover .action-icon {
  transform: scale(1.1);
}

.action-card.prodify-action .action-icon {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(139, 92, 246, 0.15) 100%);
  color: var(--primary);
}

.action-card.quiz-action .action-icon {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(5, 150, 105, 0.15) 100%);
  color: var(--success);
}

.action-card.playground-action .action-icon {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(37, 99, 235, 0.15) 100%);
  color: var(--info);
}

.action-content {
  flex: 1;
}

.action-content h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray-900);
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}

.action-content p {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin: 0;
  font-weight: 500;
}

.action-arrow {
  color: var(--gray-400);
  transition: all var(--transition-normal);
  font-size: 1rem;
}

.action-card:hover .action-arrow {
  transform: translateX(6px);
  color: var(--primary);
}

/* ===========================
   OVERVIEW GRID
   =========================== */
.overview-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.overview-card {
  background: white;
  border: 1px solid rgba(99, 102, 241, 0.08);
  border-radius: var(--border-radius-xl);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.overview-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--gray-100);
}

.card-header h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--gray-900);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  letter-spacing: -0.01em;
}

.card-header h3 i {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1rem;
  background: var(--primary-light);
  border-radius: var(--border-radius-sm);
}

.card-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 6px;
}

.card-link:hover {
  color: var(--primary-dark);
  gap: 10px;
}

.card-link::after {
  content: '\f054';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 0.6875rem;
}

/* Course Progress List (Overview) */
.course-progress-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.course-progress-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px;
  background: var(--gray-50);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
}

.course-progress-item:hover {
  background: var(--gray-100);
  transform: translateX(4px);
}

.course-progress-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.course-progress-icon.html { background: var(--html-gradient); color: white; }
.course-progress-icon.css { background: var(--css-gradient); color: white; }
.course-progress-icon.js { background: var(--js-gradient); color: #323330; }
.course-progress-icon.robotics { background: var(--robotics-gradient); color: white; }

.course-progress-info {
  flex: 1;
}

.course-progress-name {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.course-progress-bar {
  height: 8px;
  background: var(--gray-200);
  border-radius: var(--border-radius-full);
  overflow: hidden;
  position: relative;
}

.course-progress-fill {
  height: 100%;
  border-radius: var(--border-radius-full);
  transition: width 0.6s ease;
  position: relative;
}

.course-progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: progressShine 2s ease-in-out infinite;
}

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

.course-progress-fill.html { background: var(--html-gradient); }
.course-progress-fill.css { background: var(--css-gradient); }
.course-progress-fill.js { background: var(--js-gradient); }
.course-progress-fill.robotics { background: var(--robotics-gradient); }

.course-progress-percent {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--gray-800);
  min-width: 48px;
  text-align: right;
}

/* Activity List */
.activity-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-height: 300px;
  overflow-y: auto;
}

.activity-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: var(--gray-50);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
  border-left: 3px solid transparent;
}

.activity-item:hover {
  background: var(--gray-100);
  border-left-color: var(--primary);
  transform: translateX(4px);
}

.activity-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.activity-icon.html-icon { background: rgba(249, 115, 22, 0.12); color: var(--html-color); }
.activity-icon.css-icon { background: rgba(59, 130, 246, 0.12); color: var(--css-color); }
.activity-icon.javascript-icon { background: rgba(234, 179, 8, 0.15); color: #b8860b; }
.activity-icon.robotics-icon { background: rgba(236, 72, 153, 0.12); color: var(--robotics-color); }

.activity-details {
  flex: 1;
  min-width: 0;
}

.activity-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--gray-900);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 2px;
}

.activity-time {
  font-size: 0.8125rem;
  color: var(--gray-500);
  font-weight: 500;
}

/* ProdiFy Score Display */
.prodify-score-display {
  display: flex;
  align-items: center;
  gap: 24px;
}

.score-circle {
  position: relative;
  width: 100px;
  height: 100px;
  flex-shrink: 0;
}

.score-circle svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.score-bg {
  fill: none;
  stroke: var(--gray-200);
  stroke-width: 8;
}

.score-fill {
  fill: none;
  stroke: var(--primary);
  stroke-width: 8;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.5s ease;
}

.score-value {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.score-value span:first-child {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
}

.score-value .score-label {
  font-size: 0.625rem;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.score-status {
  flex: 1;
}

.status-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.status-badge.pending {
  background: var(--gray-100);
  color: var(--gray-600);
}

.status-badge.beginner {
  background: var(--info-light);
  color: var(--info);
}

.status-badge.developing {
  background: var(--warning-light);
  color: var(--warning);
}

.status-badge.proficient {
  background: var(--success-light);
  color: var(--success);
}

.status-badge.industry-ready {
  background: var(--primary-light);
  color: var(--primary);
}

.score-status p {
  font-size: 0.813rem;
  color: var(--gray-500);
  margin: 0;
  line-height: 1.5;
}

/* Calendar Card */
.calendar-card {
  grid-column: span 2;
}

.calendar-heatmap {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  padding-bottom: 12px;
  margin-bottom: 12px;
}

.calendar-week {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.calendar-day {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  background: var(--gray-100);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.calendar-day:hover {
  transform: scale(1.3);
}

.calendar-day.level-1 { background: rgba(91, 79, 214, 0.2); }
.calendar-day.level-2 { background: rgba(91, 79, 214, 0.4); }
.calendar-day.level-3 { background: rgba(91, 79, 214, 0.6); }
.calendar-day.level-4 { background: var(--primary); }

.calendar-legend {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--gray-500);
}

.legend-colors {
  display: flex;
  gap: 3px;
}

.legend-box {
  width: 12px;
  height: 12px;
  border-radius: 2px;
}

.legend-box.level-0 { background: var(--gray-100); }
.legend-box.level-1 { background: rgba(91, 79, 214, 0.2); }
.legend-box.level-2 { background: rgba(91, 79, 214, 0.4); }
.legend-box.level-3 { background: rgba(91, 79, 214, 0.6); }
.legend-box.level-4 { background: var(--primary); }

/* ===========================
   COURSES SECTION - ENTERPRISE TABLE VIEW
   =========================== */

/* Course Controls Bar */
.course-controls {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  padding: 16px 20px;
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-lg);
  flex-wrap: wrap;
}

.course-search {
  position: relative;
  flex: 1;
  min-width: 200px;
  max-width: 320px;
}

.course-search i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  font-size: 0.875rem;
}

.course-search input {
  width: 100%;
  padding: 10px 14px 10px 40px;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-md);
  font-size: 0.875rem;
  color: var(--gray-700);
  background: var(--gray-50);
  transition: all var(--transition-fast);
}

.course-search input:focus {
  outline: none;
  border-color: var(--primary);
  background: white;
  box-shadow: 0 0 0 3px var(--primary-light);
}

.course-search input::placeholder {
  color: var(--gray-400);
}

.course-filters {
  display: flex;
  gap: 12px;
}

.course-filter-select {
  padding: 10px 32px 10px 14px;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-700);
  background: white url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394A3B8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E") no-repeat right 10px center;
  background-size: 16px;
  cursor: pointer;
  transition: all var(--transition-fast);
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

.course-filter-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.course-filter-select:hover {
  border-color: var(--gray-300);
}

.course-view-toggle {
  display: flex;
  background: var(--gray-100);
  border-radius: var(--border-radius-md);
  padding: 4px;
}

.view-btn {
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  border-radius: var(--border-radius-sm);
  color: var(--gray-500);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.view-btn:hover {
  color: var(--gray-700);
}

.view-btn.active {
  background: white;
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}

/* Course Summary Bar */
.course-summary-bar {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0;
  padding: 20px 28px;
  background: linear-gradient(135deg, var(--gray-50) 0%, rgba(99, 102, 241, 0.03) 100%);
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-lg);
  margin-bottom: 20px;
}

.summary-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 32px;
}

.summary-stat:first-child {
  padding-left: 0;
}

.summary-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--gray-900);
  letter-spacing: -0.02em;
}

.summary-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-top: 2px;
}

.summary-divider {
  width: 1px;
  height: 40px;
  background: var(--gray-200);
}

/* Course List Container */
.course-list-container {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

/* Course Table */
.course-table {
  width: 100%;
  border-collapse: collapse;
}

.course-table thead {
  background: linear-gradient(180deg, var(--gray-50) 0%, var(--gray-100) 100%);
  border-bottom: 1px solid var(--gray-200);
}

.course-table th {
  padding: 14px 20px;
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-align: left;
  white-space: nowrap;
}

.course-table th.col-course { width: 30%; }
.course-table th.col-level { width: 12%; }
.course-table th.col-progress { width: 18%; }
.course-table th.col-lessons { width: 10%; }
.course-table th.col-time { width: 10%; }
.course-table th.col-status { width: 12%; }
.course-table th.col-action { width: 8%; text-align: center; }

.course-table tbody tr {
  border-bottom: 1px solid var(--gray-100);
  transition: all var(--transition-fast);
}

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

.course-table tbody tr:hover {
  background: linear-gradient(90deg, rgba(99, 102, 241, 0.02) 0%, rgba(99, 102, 241, 0.04) 100%);
}

.course-table td {
  padding: 18px 20px;
  font-size: 0.875rem;
  color: var(--gray-700);
  vertical-align: middle;
}

/* Course Cell */
.course-cell {
  display: flex;
  align-items: center;
  gap: 16px;
}

.course-icon-cell {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}

.course-row:hover .course-icon-cell {
  transform: scale(1.05);
}

.course-icon-cell.html-icon { background: var(--html-gradient); color: white; }
.course-icon-cell.css-icon { background: var(--css-gradient); color: white; }
.course-icon-cell.js-icon { background: var(--js-gradient); color: #323330; }
.course-icon-cell.robotics-icon { background: var(--robotics-gradient); color: white; }

.course-info-cell h4 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--gray-900);
  margin: 0 0 2px;
  letter-spacing: -0.01em;
}

.course-subtitle {
  font-size: 0.8125rem;
  color: var(--gray-500);
  font-weight: 500;
}

/* Lessons label styling */
.lessons-label {
  color: var(--gray-400);
  font-size: 0.8125rem;
  font-weight: 500;
}

/* Level Badge */
.level-badge {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border-radius: var(--border-radius-full);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.level-badge.beginner {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

.level-badge.intermediate {
  background: rgba(59, 130, 246, 0.1);
  color: var(--info);
}

.level-badge.advanced {
  background: rgba(236, 72, 153, 0.1);
  color: var(--robotics-color);
}

.level-badge.expert {
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.15), rgba(245, 158, 11, 0.2));
  color: #b45309;
  border: 1px solid rgba(251, 191, 36, 0.3);
  font-weight: 700;
}

/* Progress Cell */
.progress-cell {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mini-progress-bar {
  flex: 1;
  height: 8px;
  background: var(--gray-200);
  border-radius: var(--border-radius-full);
  overflow: hidden;
  min-width: 80px;
}

.mini-progress-fill {
  height: 100%;
  border-radius: var(--border-radius-full);
  transition: width 0.6s ease;
}

.mini-progress-fill.html-fill { background: var(--html-gradient); }
.mini-progress-fill.css-fill { background: var(--css-gradient); }
.mini-progress-fill.js-fill { background: var(--js-gradient); }
.mini-progress-fill.robotics-fill { background: var(--robotics-gradient); }

.progress-text {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--gray-800);
  min-width: 40px;
}

/* Status Badge */
.status-badge {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border-radius: var(--border-radius-full);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.status-badge.not-started {
  background: var(--gray-100);
  color: var(--gray-500);
}

.status-badge.in-progress {
  background: rgba(59, 130, 246, 0.1);
  color: var(--info);
}

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

/* Action Button */
.col-action {
  text-align: center;
}

.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--border-radius-md);
  font-size: 0.8125rem;
  font-weight: 700;
  text-decoration: none;
  transition: all var(--transition-normal);
  color: white;
}

.action-btn.html-btn { background: var(--html-gradient); }
.action-btn.css-btn { background: var(--css-gradient); }
.action-btn.js-btn { background: var(--js-gradient); color: #323330; }
.action-btn.robotics-btn { background: var(--robotics-gradient); }

.action-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.action-btn i {
  font-size: 0.75rem;
  transition: transform var(--transition-fast);
}

.action-btn:hover i {
  transform: translateX(3px);
}

/* Mobile Course Cards (hidden on desktop) */
.course-cards-mobile {
  display: none;
}

/* Hide table on mobile, show cards */
@media (max-width: 992px) {
  .course-list-container {
    display: none;
  }

  .course-cards-mobile {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .course-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .course-search {
    max-width: none;
  }

  .course-filters {
    flex-direction: column;
  }

  .course-summary-bar {
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
  }

  .summary-divider {
    display: none;
  }

  .summary-stat {
    padding: 8px 16px;
    background: white;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--gray-200);
  }
}

/* Legacy grid styles removed - now using enterprise table */
.courses-grid {
  display: none;
}

/* ===========================
   GRID VIEW MODE
   =========================== */
.course-list-container.grid-view {
  background: transparent;
  border: none;
  box-shadow: none;
}

.course-list-container.grid-view .course-table {
  display: block;
}

.course-list-container.grid-view .course-table thead {
  display: none;
}

.course-list-container.grid-view .course-table tbody {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.course-list-container.grid-view .course-row {
  display: flex;
  flex-direction: column;
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-lg);
  padding: 0;
  overflow: hidden;
  position: relative;
  transition: all var(--transition-normal);
}

.course-list-container.grid-view .course-row::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
}

.course-list-container.grid-view .course-row.html-course::before { background: var(--html-gradient); }
.course-list-container.grid-view .course-row.css-course::before { background: var(--css-gradient); }
.course-list-container.grid-view .course-row.js-course::before { background: var(--js-gradient); }
.course-list-container.grid-view .course-row.robotics-course::before { background: var(--robotics-gradient); }

.course-list-container.grid-view .course-row:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.course-list-container.grid-view .course-row td {
  display: block;
  padding: 0;
  border: none;
}

/* Grid view - Course header (icon + name) */
.course-list-container.grid-view .col-course {
  padding: 24px 24px 16px !important;
  border-bottom: 1px solid var(--gray-100);
}

.course-list-container.grid-view .course-cell {
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.course-list-container.grid-view .course-icon-cell {
  width: 56px;
  height: 56px;
  font-size: 1.5rem;
}

.course-list-container.grid-view .course-info-cell h4 {
  font-size: 1.125rem;
  margin-bottom: 4px;
}

/* Grid view - Hide level column (show in header instead) */
.course-list-container.grid-view .col-level {
  position: absolute;
  top: 28px;
  right: 20px;
}

/* Grid view - Progress section */
.course-list-container.grid-view .col-progress {
  padding: 16px 24px !important;
}

.course-list-container.grid-view .progress-cell {
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
}

.course-list-container.grid-view .mini-progress-bar {
  height: 10px;
  min-width: auto;
}

.course-list-container.grid-view .progress-text {
  font-size: 1.25rem;
  font-weight: 800;
  text-align: center;
}

/* Grid view - Stats row (lessons + time) */
.course-list-container.grid-view .col-lessons,
.course-list-container.grid-view .col-time {
  display: inline-block !important;
  width: 50%;
  padding: 12px 24px !important;
  text-align: center;
  background: var(--gray-50);
  border-top: 1px solid var(--gray-100);
}

.course-list-container.grid-view .col-lessons {
  border-right: 1px solid var(--gray-100);
}

.course-list-container.grid-view .col-lessons::before {
  content: '\f02d';
  font-family: 'Font Awesome 5 Free';
  font-weight: 900;
  margin-right: 8px;
  color: var(--gray-400);
}

.course-list-container.grid-view .col-time::before {
  content: '\f017';
  font-family: 'Font Awesome 5 Free';
  font-weight: 900;
  margin-right: 8px;
  color: var(--gray-400);
}

/* Grid view - Status badge */
.course-list-container.grid-view .col-status {
  display: none !important;
}

/* Grid view - Action button */
.course-list-container.grid-view .col-action {
  padding: 16px 24px 24px !important;
  text-align: center !important;
}

.course-list-container.grid-view .action-btn {
  width: 100%;
  justify-content: center;
  padding: 14px 24px;
}

/* Grid view responsive */
@media (max-width: 1200px) {
  .course-list-container.grid-view .course-table tbody {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .course-list-container.grid-view .course-table tbody {
    grid-template-columns: 1fr;
  }
}

/* ===========================
   MOBILE COURSE CARDS
   =========================== */
.mobile-course-card {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-lg);
  padding: 20px;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.mobile-course-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
}

.mobile-course-card.html-course::before { background: var(--html-gradient); }
.mobile-course-card.css-course::before { background: var(--css-gradient); }
.mobile-course-card.js-course::before { background: var(--js-gradient); }
.mobile-course-card.robotics-course::before { background: var(--robotics-gradient); }

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

.mobile-course-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.mobile-course-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.mobile-course-icon.html-icon { background: var(--html-gradient); color: white; }
.mobile-course-icon.css-icon { background: var(--css-gradient); color: white; }
.mobile-course-icon.js-icon { background: var(--js-gradient); color: #323330; }
.mobile-course-icon.robotics-icon { background: var(--robotics-gradient); color: white; }

.mobile-course-info {
  flex: 1;
}

.mobile-course-info h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray-900);
  margin: 0 0 4px;
}

.mobile-course-level {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--border-radius-full);
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.mobile-course-level.beginner {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

.mobile-course-level.intermediate {
  background: rgba(59, 130, 246, 0.1);
  color: var(--info);
}

.mobile-course-level.advanced {
  background: rgba(236, 72, 153, 0.1);
  color: var(--robotics-color);
}

.mobile-course-level.expert {
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.15), rgba(245, 158, 11, 0.2));
  color: #b45309;
  border: 1px solid rgba(251, 191, 36, 0.3);
  font-weight: 700;
}

.mobile-status-badge {
  padding: 5px 12px;
  border-radius: var(--border-radius-full);
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.mobile-status-badge.not-started {
  background: var(--gray-100);
  color: var(--gray-500);
}

.mobile-status-badge.in-progress {
  background: rgba(59, 130, 246, 0.1);
  color: var(--info);
}

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

.mobile-course-progress {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.mobile-progress-bar {
  flex: 1;
  height: 8px;
  background: var(--gray-200);
  border-radius: var(--border-radius-full);
  overflow: hidden;
}

.mobile-progress-fill {
  height: 100%;
  border-radius: var(--border-radius-full);
  transition: width 0.6s ease;
}

.mobile-progress-fill.html-fill { background: var(--html-gradient); }
.mobile-progress-fill.css-fill { background: var(--css-gradient); }
.mobile-progress-fill.js-fill { background: var(--js-gradient); }
.mobile-progress-fill.robotics-fill { background: var(--robotics-gradient); }

.mobile-progress-text {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--gray-800);
  min-width: 36px;
  text-align: right;
}

.mobile-course-stats {
  display: flex;
  gap: 20px;
  margin-bottom: 16px;
}

.mobile-stat {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--gray-600);
  font-weight: 500;
}

.mobile-stat i {
  color: var(--gray-400);
  font-size: 0.875rem;
}

.mobile-action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 12px 24px;
  border-radius: var(--border-radius-md);
  font-size: 0.875rem;
  font-weight: 700;
  text-decoration: none;
  transition: all var(--transition-normal);
  color: white;
}

.mobile-action-btn.html-btn { background: var(--html-gradient); }
.mobile-action-btn.css-btn { background: var(--css-gradient); }
.mobile-action-btn.js-btn { background: var(--js-gradient); color: #323330; }
.mobile-action-btn.robotics-btn { background: var(--robotics-gradient); }

.mobile-action-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.mobile-action-btn i {
  font-size: 0.75rem;
  transition: transform var(--transition-fast);
}

.mobile-action-btn:hover i {
  transform: translateX(4px);
}

/* ===========================
   PRODIFY SECTION - Enterprise Dashboard
   =========================== */

/* ProdiFy Header */
.section-header.prodify-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
  padding: 20px 24px;
  background: linear-gradient(135deg, #fafbff 0%, #f5f7ff 100%);
  border: 1px solid rgba(99, 102, 241, 0.12);
  border-radius: 16px;
}

.prodify-header .header-content {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: 1;
}

.prodify-brand-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
  border-radius: 12px;
  color: white;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.35);
  flex-shrink: 0;
}

.prodify-brand-badge i {
  font-size: 1.125rem;
}

.prodify-header .header-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  justify-content: center;
  align-items: flex-start;
}

.prodify-header .header-text h2 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--gray-900);
  margin: 0;
  letter-spacing: -0.02em;
  display: block;
  position: static;
  text-align: left;
}

/* Remove the underline from style.css */
.prodify-header .header-text h2::after {
  display: none !important;
  content: none !important;
}

.prodify-header .header-text p {
  font-size: 0.8125rem;
  color: var(--gray-500);
  margin: 0;
  text-align: left;
}

/* Legacy support */
.prodify-header h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-900);
  margin: 0;
}

.prodify-header p {
  font-size: 0.8125rem;
  color: var(--gray-500);
  margin: 0;
}

.header-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: var(--primary);
  color: white;
  border-radius: var(--border-radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-fast);
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.25);
}

.header-action-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.35);
}

/* Stats Grid */
.prodify-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 28px;
}

.prodify-stat-card {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-lg);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-fast);
}

.prodify-stat-card:hover {
  border-color: var(--gray-300);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.prodify-stat-card.primary {
  background: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
  border: none;
}

.prodify-stat-card.primary .stat-card-icon {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

.prodify-stat-card.primary .stat-card-value,
.prodify-stat-card.primary .stat-card-label,
.prodify-stat-card.primary .stat-card-sublabel {
  color: white;
}

.prodify-stat-card.primary .stat-card-sublabel {
  opacity: 0.8;
}

.stat-card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  background: var(--primary-light);
  color: var(--primary);
  flex-shrink: 0;
}

.stat-card-icon.readiness {
  background: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
}

.stat-card-icon.assessments {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

.stat-card-icon.streak {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

.stat-card-content {
  flex: 1;
  min-width: 0;
}

.stat-card-value {
  display: block;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.2;
}

.stat-card-label {
  display: block;
  font-size: 0.813rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-top: 2px;
}

.stat-card-sublabel {
  display: block;
  font-size: 0.75rem;
  color: var(--gray-500);
}

.stat-card-ring {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 56px;
  height: 56px;
  opacity: 0.9;
}

.stat-card-ring svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.stat-card-ring .ring-bg {
  fill: none;
  stroke: rgba(255, 255, 255, 0.25);
  stroke-width: 6;
}

.stat-card-ring .ring-fill {
  fill: none;
  stroke: white;
  stroke-width: 6;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.8s ease;
}

/* Content Grid */
.prodify-content-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 24px;
  margin-bottom: 28px;
}

/* Panel Styles */
.prodify-skills-panel,
.quick-assessment-panel,
.performance-insights-panel,
.assessment-history-panel {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  border-bottom: 1px solid var(--gray-100);
  background: var(--gray-50);
}

.panel-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.panel-title i {
  font-size: 1rem;
  color: var(--primary);
}

.panel-title h3 {
  font-size: 0.938rem;
  font-weight: 600;
  color: var(--gray-800);
  margin: 0;
}

.panel-actions {
  display: flex;
  gap: 8px;
}

.panel-action-btn {
  width: 32px;
  height: 32px;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-sm);
  background: white;
  color: var(--gray-500);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.panel-action-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

.panel-tabs {
  display: flex;
  gap: 4px;
}

.panel-tab {
  padding: 6px 14px;
  font-size: 0.813rem;
  font-weight: 500;
  color: var(--gray-500);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.panel-tab:hover {
  color: var(--gray-700);
  background: var(--gray-100);
}

.panel-tab.active {
  color: var(--primary);
  background: var(--primary-light);
  border-color: var(--primary);
}

/* Skills Panel */
.skill-proficiency-list {
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-height: 280px;
}

.skill-proficiency-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.skill-prof-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.skill-prof-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.skill-prof-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
}

.skill-prof-icon.html { background: rgba(249, 115, 22, 0.1); color: #f97316; }
.skill-prof-icon.css { background: rgba(59, 130, 246, 0.1); color: #3b82f6; }
.skill-prof-icon.javascript { background: rgba(234, 179, 8, 0.1); color: #eab308; }
.skill-prof-icon.robotics { background: rgba(236, 72, 153, 0.1); color: #ec4899; }

.skill-prof-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-800);
}

.skill-prof-score {
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.skill-prof-score .score-value,
.skill-prof-score .skill-score-num {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--gray-800);
  position: static !important;
  transform: none !important;
  top: auto !important;
  left: auto !important;
}

.skill-prof-score .score-max {
  font-size: 0.813rem;
  font-weight: 500;
  color: var(--gray-500);
}

.skill-prof-bar {
  height: 10px;
  background: var(--gray-200);
  border-radius: 5px;
  overflow: hidden;
  position: relative;
}

.skill-prof-fill {
  height: 100%;
  border-radius: 5px;
  transition: width 0.6s ease;
  position: relative;
}

.skill-prof-fill.low {
  background: linear-gradient(90deg, #f59e0b, #fbbf24);
}

.skill-prof-fill.medium {
  background: linear-gradient(90deg, #3b82f6, #60a5fa);
}

.skill-prof-fill.high {
  background: linear-gradient(90deg, #10b981, #34d399);
}

.skill-prof-level {
  font-size: 0.688rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 3px 8px;
  border-radius: 4px;
}

.skill-prof-level.beginner { background: rgba(239, 68, 68, 0.1); color: #ef4444; }
.skill-prof-level.developing { background: rgba(245, 158, 11, 0.1); color: #f59e0b; }
.skill-prof-level.intermediate { background: rgba(59, 130, 246, 0.1); color: #3b82f6; }
.skill-prof-level.advanced { background: rgba(16, 185, 129, 0.1); color: #10b981; }
.skill-prof-level.expert { background: rgba(99, 102, 241, 0.1); color: #6366f1; }

/* Quick Assessment Grid */
.quick-assessment-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  padding: 16px;
}

.quick-assess-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-md);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.quick-assess-card:hover {
  border-color: var(--gray-300);
  background: white;
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.quick-assess-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.quick-assess-card.diagnostic .quick-assess-icon {
  background: rgba(59, 130, 246, 0.1);
  color: #3b82f6;
}

.quick-assess-card.practice .quick-assess-icon {
  background: rgba(99, 102, 241, 0.1);
  color: #6366f1;
}

.quick-assess-card.timed .quick-assess-icon {
  background: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
}

.quick-assess-card.certification .quick-assess-icon {
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
}

.quick-assess-content {
  flex: 1;
  min-width: 0;
}

.quick-assess-content h4 {
  font-size: 0.813rem;
  font-weight: 600;
  color: var(--gray-800);
  margin: 0 0 2px;
}

.quick-assess-content span {
  font-size: 0.688rem;
  color: var(--gray-500);
}

.quick-assess-card > i {
  font-size: 0.75rem;
  color: var(--gray-400);
  transition: transform var(--transition-fast);
}

.quick-assess-card:hover > i {
  transform: translateX(4px);
  color: var(--gray-600);
}

/* Insights Panel */
.insights-content {
  padding: 16px;
}

.insight-item {
  display: flex;
  gap: 14px;
  padding: 14px;
  background: var(--gray-50);
  border-radius: var(--border-radius-md);
  border-left: 3px solid var(--primary);
}

.insight-item.recommendation {
  border-left-color: #3b82f6;
}

.insight-item.improvement {
  border-left-color: #f59e0b;
}

.insight-item.achievement {
  border-left-color: #10b981;
}

.insight-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: white;
  color: var(--primary);
  font-size: 0.938rem;
  flex-shrink: 0;
  box-shadow: var(--shadow-xs);
}

.insight-text strong {
  display: block;
  font-size: 0.813rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 4px;
}

.insight-text p {
  font-size: 0.75rem;
  color: var(--gray-600);
  margin: 0;
  line-height: 1.5;
}

/* Right Column Stack */
.prodify-right-column {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Assessment History Panel */
.assessment-history-panel {
  margin-top: 0;
}

.history-table-wrapper {
  overflow-x: auto;
}

.assessment-history-table {
  width: 100%;
  border-collapse: collapse;
}

.assessment-history-table th,
.assessment-history-table td {
  padding: 14px 20px;
  text-align: left;
  border-bottom: 1px solid var(--gray-100);
}

.assessment-history-table th {
  font-size: 0.688rem;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: var(--gray-50);
}

.assessment-history-table td {
  font-size: 0.813rem;
  color: var(--gray-700);
}

.assessment-history-table tbody tr {
  transition: background var(--transition-fast);
}

.assessment-history-table tbody tr:hover {
  background: var(--gray-50);
}

.assessment-history-table .empty-row td {
  padding: 48px 20px;
}

/* Empty State Modern */
.empty-state-modern {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 32px 24px;
}

.empty-state-modern .empty-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--gray-400);
  margin-bottom: 16px;
}

.empty-state-modern h4 {
  font-size: 0.938rem;
  font-weight: 600;
  color: var(--gray-800);
  margin: 0 0 8px;
}

.empty-state-modern p {
  font-size: 0.813rem;
  color: var(--gray-500);
  margin: 0 0 20px;
  max-width: 280px;
  line-height: 1.5;
}

.empty-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--primary);
  color: white;
  border-radius: var(--border-radius-md);
  font-size: 0.813rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.empty-cta-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

/* Assessment type badges */
.assessment-type-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 16px;
  font-size: 0.688rem;
  font-weight: 600;
  text-transform: capitalize;
}

.assessment-type-badge i {
  font-size: 0.625rem;
}

.assessment-type-badge.practice {
  background: rgba(99, 102, 241, 0.1);
  color: #6366f1;
}

.assessment-type-badge.diagnostic {
  background: rgba(59, 130, 246, 0.1);
  color: #3b82f6;
}

.assessment-type-badge.timed {
  background: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
}

.assessment-type-badge.readiness,
.assessment-type-badge.certification {
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
}

/* Performance Bar */
.performance-bar {
  display: flex;
  align-items: center;
  gap: 10px;
}

.perf-bar-track {
  flex: 1;
  height: 6px;
  background: var(--gray-200);
  border-radius: 3px;
  overflow: hidden;
  min-width: 60px;
}

.perf-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.5s ease;
}

.perf-bar-fill.low { background: var(--danger); }
.perf-bar-fill.medium { background: var(--warning); }
.perf-bar-fill.high { background: var(--success); }

.perf-value {
  font-size: 0.688rem;
  font-weight: 600;
  color: var(--gray-600);
  min-width: 32px;
}

/* Status badges */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  border-radius: 16px;
  font-size: 0.688rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.status-badge.completed {
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
}

.status-badge.passed {
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
}

.status-badge.failed {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

.status-badge.in-progress {
  background: rgba(59, 130, 246, 0.1);
  color: #3b82f6;
}

/* History action buttons */
.history-actions {
  display: flex;
  gap: 6px;
}

.history-action-btn {
  width: 30px;
  height: 30px;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-sm);
  background: white;
  color: var(--gray-500);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
}

.history-action-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

.history-action-btn.view:hover {
  border-color: #3b82f6;
  color: #3b82f6;
  background: rgba(59, 130, 246, 0.1);
}

.history-action-btn.retake:hover {
  border-color: #10b981;
  color: #10b981;
  background: rgba(16, 185, 129, 0.1);
}

/* Score ring color classes (for backward compat) */
.ring-fill.score-low { stroke: var(--warning); }
.ring-fill.score-medium { stroke: #f59e0b; }
.ring-fill.score-high { stroke: var(--success); }
.ring-fill.score-excellent { stroke: white; }

/* Legacy skill styles for backward compat */
.skill-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.skill-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.skill-name {
  font-size: 0.813rem;
  font-weight: 500;
  color: var(--gray-700);
}

.skill-score {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gray-500);
}

.skill-bar {
  height: 8px;
  background: var(--gray-200);
  border-radius: 4px;
  overflow: hidden;
}

.skill-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.5s ease;
}

.skill-fill.low { background: var(--warning); }
.skill-fill.medium { background: #f59e0b; }
.skill-fill.high { background: var(--success); }

/* ===========================
   QUIZZES SECTION
   =========================== */
.quiz-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-lg);
  padding: 24px 32px;
  margin-bottom: 24px;
}

.quiz-stat-cards {
  display: flex;
  gap: 32px;
}

.quiz-stat-card {
  display: flex;
  align-items: center;
  gap: 12px;
}

.quiz-stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  background: var(--success-light);
  color: var(--success);
}

.quiz-stat-info {
  display: flex;
  flex-direction: column;
}

.quiz-stat-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-900);
}

.quiz-stat-label {
  font-size: 0.75rem;
  color: var(--gray-500);
}

.quiz-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  background: var(--success);
  color: white;
  border-radius: var(--border-radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.quiz-cta-btn:hover {
  background: #059669;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.quiz-history {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-lg);
  padding: 24px;
}

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

/* ===========================
   ACHIEVEMENTS SECTION
   =========================== */
.achievements-summary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-lg);
  padding: 32px;
  margin-bottom: 24px;
}

.achievement-stat {
  text-align: center;
}

.achievement-stat-value {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--gray-900);
}

.achievement-stat-label {
  font-size: 0.813rem;
  color: var(--gray-500);
}

.achievement-progress-ring {
  position: relative;
  width: 100px;
  height: 100px;
}

.achievement-progress-ring svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.achievement-bg {
  fill: none;
  stroke: var(--gray-200);
  stroke-width: 8;
}

.achievement-fill {
  fill: none;
  stroke: var(--warning);
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: 283;
  stroke-dashoffset: 283;
  transition: stroke-dashoffset 0.5s ease;
}

.achievement-percent {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-900);
}

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 16px;
}

.achievement-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 16px;
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-lg);
  text-align: center;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.achievement-badge:hover:not(.locked) {
  border-color: var(--warning);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.achievement-badge.earned {
  background: linear-gradient(135deg, var(--warning-light) 0%, white 100%);
  border-color: rgba(245, 158, 11, 0.2);
}

.achievement-badge.locked {
  opacity: 0.5;
  filter: grayscale(0.5);
}

.achievement-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 12px;
  background: var(--warning);
  color: white;
}

.achievement-badge.locked .achievement-icon {
  background: var(--gray-300);
}

.achievement-name {
  font-size: 0.813rem;
  font-weight: 600;
  color: var(--gray-800);
  line-height: 1.4;
}

.badge-lock {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 20px;
  height: 20px;
  background: var(--gray-400);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.badge-lock i {
  font-size: 0.5rem;
  color: white;
}

/* ===========================
   CERTIFICATIONS SECTION
   =========================== */
.certifications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.certification-card {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

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

.cert-header {
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: white;
}

.cert-icon {
  width: 56px;
  height: 56px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
}

.cert-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.2);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.813rem;
  font-weight: 600;
}

.cert-badge i {
  font-size: 0.875rem;
}

.cert-body {
  padding: 20px 24px;
}

.cert-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-900);
  margin: 0 0 16px;
}

.cert-details {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.cert-detail {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--gray-600);
}

.cert-detail i {
  width: 16px;
  color: var(--gray-400);
  text-align: center;
}

.cert-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--gray-100);
  display: flex;
  gap: 12px;
}

.cert-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--border-radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
}

.cert-btn.download {
  background: var(--primary);
  color: white;
}

.cert-btn.download:hover {
  background: var(--primary-dark);
}

.cert-btn.share {
  background: var(--gray-100);
  color: var(--gray-700);
}

.cert-btn.share:hover {
  background: var(--gray-200);
}

/* Responsive */
@media (max-width: 768px) {
  .certifications-grid {
    grid-template-columns: 1fr;
  }

  .cert-footer {
    flex-direction: column;
  }
}

/* ===========================
   ACTIVITY LOG SECTION
   =========================== */
.activity-filters {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
}

.filter-btn {
  padding: 8px 16px;
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-md);
  font-size: 0.813rem;
  font-weight: 500;
  color: var(--gray-600);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

.activity-timeline {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-lg);
  padding: 24px;
}

.timeline-item {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--gray-100);
}

.timeline-item:last-child {
  border-bottom: none;
}

.timeline-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.timeline-content {
  flex: 1;
}

.timeline-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 4px;
}

.timeline-desc {
  font-size: 0.813rem;
  color: var(--gray-500);
  margin-bottom: 4px;
}

.timeline-time {
  font-size: 0.75rem;
  color: var(--gray-400);
}

/* ===========================
   BOOKMARKS SECTION
   =========================== */
.bookmarks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.bookmark-card {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-lg);
  padding: 20px;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.bookmark-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

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

.bookmark-course-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 0.688rem;
  font-weight: 600;
  text-transform: uppercase;
}

.bookmark-course-badge.html {
  background: rgba(227, 76, 38, 0.1);
  color: var(--html-color);
}

.bookmark-course-badge.css {
  background: rgba(38, 77, 228, 0.1);
  color: var(--css-color);
}

.bookmark-course-badge.javascript {
  background: rgba(240, 219, 79, 0.2);
  color: #b8860b;
}

.bookmark-course-badge.robotics {
  background: rgba(209, 3, 158, 0.1);
  color: var(--robotics-color);
}

.bookmark-remove-btn {
  background: none;
  border: none;
  color: var(--gray-400);
  cursor: pointer;
  padding: 4px;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
}

.bookmark-remove-btn:hover {
  background: var(--danger-light);
  color: var(--danger);
}

.bookmark-title {
  font-size: 0.938rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 8px;
  line-height: 1.4;
}

.bookmark-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.813rem;
  color: var(--gray-500);
}

/* ===========================
   EMPTY STATES
   =========================== */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 56px 32px;
  text-align: center;
  background: linear-gradient(135deg, var(--gray-50) 0%, rgba(99, 102, 241, 0.02) 100%);
  border-radius: var(--border-radius-xl);
}

.empty-state.small {
  padding: 36px 20px;
  background: var(--gray-50);
  border-radius: var(--border-radius-md);
}

.empty-state i {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--gray-400);
  background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-200) 100%);
  border-radius: 50%;
  margin-bottom: 20px;
  box-shadow: var(--shadow-inner);
}

.empty-state.small i {
  width: 56px;
  height: 56px;
  font-size: 1.25rem;
  margin-bottom: 16px;
}

.empty-state p {
  font-size: 0.9375rem;
  color: var(--gray-500);
  margin: 0 0 24px;
  max-width: 320px;
  line-height: 1.7;
  font-weight: 500;
}

.empty-state.small p {
  font-size: 0.875rem;
  margin-bottom: 0;
}

.empty-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: var(--primary-gradient);
  color: white;
  border-radius: var(--border-radius-lg);
  font-size: 0.9375rem;
  font-weight: 700;
  text-decoration: none;
  transition: all var(--transition-normal);
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.25);
}

.empty-cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.35);
}

.empty-cta-btn i {
  width: auto;
  height: auto;
  background: none;
  color: white;
  font-size: 1rem;
  margin: 0;
  box-shadow: none;
}

/* ===========================
   SIDEBAR OVERLAY (Mobile)
   =========================== */
.sidebar-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.sidebar-overlay.show {
  opacity: 1;
  visibility: visible;
}

/* ===========================
   DASHBOARD FOOTER
   =========================== */
.dashboard-footer {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-top: 1px solid rgba(99, 102, 241, 0.08);
  padding: 20px 36px;
  margin-left: var(--sidebar-width);
}

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

.footer-content p {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin: 0;
  font-weight: 500;
}

.footer-links {
  display: flex;
  gap: 28px;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--gray-500);
  text-decoration: none;
  transition: all var(--transition-fast);
  font-weight: 500;
}

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

/* ===========================
   RESPONSIVE DESIGN
   =========================== */
@media (max-width: 1200px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .action-cards {
    grid-template-columns: 1fr;
  }

  .overview-grid {
    grid-template-columns: 1fr;
  }

  .calendar-card {
    grid-column: span 1;
  }

  .prodify-overview {
    grid-template-columns: 1fr;
  }

  .courses-grid {
    grid-template-columns: 1fr;
  }

  /* ProdiFy Enterprise - Tablet */
  .prodify-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .prodify-content-grid {
    grid-template-columns: 1fr;
  }

  .prodify-right-column {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@media (max-width: 992px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

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

  .mobile-menu-btn {
    display: flex;
  }

  .dashboard-footer {
    margin-left: 0;
  }

  .quiz-summary {
    flex-direction: column;
    gap: 24px;
    text-align: center;
  }

  .quiz-stat-cards {
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .content-header {
    padding: 0 16px;
  }

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

  .welcome-banner {
    flex-direction: column;
    text-align: center;
    padding: 24px;
  }

  .welcome-message {
    max-width: 100%;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .stat-card {
    padding: 16px;
  }

  .prodify-main-score {
    flex-direction: column;
    text-align: center;
    gap: 24px;
  }

  /* ProdiFy Enterprise - Mobile */
  .prodify-header {
    flex-direction: column;
    gap: 16px;
    padding: 16px 20px;
    align-items: stretch;
  }

  .prodify-header .header-content {
    justify-content: flex-start;
  }

  .prodify-header .header-text h2 {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
  }

  .header-action-btn {
    width: 100%;
    justify-content: center;
  }

  .prodify-stats-grid {
    grid-template-columns: 1fr;
  }

  .prodify-stat-card {
    padding: 20px;
  }

  .prodify-stat-card.primary {
    padding-right: 80px;
  }

  .prodify-right-column {
    grid-template-columns: 1fr;
  }

  .quick-assessment-grid {
    grid-template-columns: 1fr;
  }

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

  .panel-tabs {
    width: 100%;
    overflow-x: auto;
  }

  .assessment-history-table th,
  .assessment-history-table td {
    padding: 12px 14px;
  }

  .performance-bar {
    min-width: 80px;
  }

  .achievements-summary {
    flex-direction: column;
    gap: 24px;
  }

  .activity-filters {
    flex-wrap: wrap;
  }

  .header-right {
    gap: 8px;
  }

  .streak-badge {
    padding: 6px 12px;
    font-size: 0.75rem;
  }

  .streak-badge span:last-child {
    display: none;
  }
}

@media (max-width: 480px) {
  .login-card {
    padding: 32px 24px;
  }

  .login-features {
    flex-direction: column;
    gap: 16px;
  }

  .bookmarks-grid,
  .certifications-grid {
    grid-template-columns: 1fr;
  }

  .achievements-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===========================
   ACCESSIBILITY & UTILITIES
   =========================== */
*:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray-100);
  border-radius: var(--border-radius-full);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--gray-300) 0%, var(--gray-400) 100%);
  border-radius: var(--border-radius-full);
  border: 2px solid var(--gray-100);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--gray-400) 0%, var(--gray-500) 100%);
}

/* Firefox scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--gray-300) var(--gray-100);
}

/* Auth Notification */
.auth-notification {
  position: fixed;
  top: 24px;
  right: 24px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 28px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-2xl);
  transform: translateX(120%);
  transition: transform var(--transition-normal);
  z-index: 9999;
  border: 1px solid rgba(255, 255, 255, 0.8);
}

.auth-notification.show {
  transform: translateX(0);
  animation: notificationBounce 0.5s ease-out;
}

@keyframes notificationBounce {
  0% { transform: translateX(100%) scale(0.8); }
  60% { transform: translateX(-5%) scale(1.02); }
  100% { transform: translateX(0) scale(1); }
}

.auth-notification.success {
  border-left: 4px solid var(--success);
  box-shadow: var(--shadow-2xl), 0 0 20px rgba(16, 185, 129, 0.15);
}

.auth-notification.success i {
  color: var(--success);
  background: var(--success-light);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.auth-notification.error {
  border-left: 4px solid var(--danger);
  box-shadow: var(--shadow-2xl), 0 0 20px rgba(239, 68, 68, 0.15);
}

.auth-notification.error i {
  color: var(--danger);
  background: var(--danger-light);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.auth-notification i {
  font-size: 1.125rem;
}

.auth-notification span {
  font-weight: 700;
  color: var(--gray-800);
  font-size: 0.9375rem;
  letter-spacing: -0.01em;
}

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

.glass-effect {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
}

/* ===========================
   DASHBOARD TOUR
   =========================== */

/* Tour Overlay */
.tour-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.75);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.tour-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Tour Spotlight */
.tour-spotlight {
  position: absolute;
  border-radius: 12px;
  box-shadow: 0 0 0 9999px rgba(15, 23, 42, 0.8);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}

/* Tour Tooltip */
.tour-tooltip {
  position: absolute;
  width: 340px;
  background: white;
  border-radius: 16px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  padding: 0;
  z-index: 9999;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s ease;
  overflow: hidden;
}

.tour-overlay.active .tour-tooltip {
  opacity: 1;
  transform: translateY(0);
}

.tour-tooltip-arrow {
  position: absolute;
  width: 16px;
  height: 16px;
  background: white;
  transform: rotate(45deg);
  z-index: -1;
}

.tour-tooltip[data-position="bottom"] .tour-tooltip-arrow {
  top: -8px;
  left: 50%;
  margin-left: -8px;
}

.tour-tooltip[data-position="top"] .tour-tooltip-arrow {
  bottom: -8px;
  left: 50%;
  margin-left: -8px;
}

.tour-tooltip[data-position="left"] .tour-tooltip-arrow {
  right: -8px;
  top: 50%;
  margin-top: -8px;
}

.tour-tooltip[data-position="right"] .tour-tooltip-arrow {
  left: -8px;
  top: 50%;
  margin-top: -8px;
}

.tour-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  background: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
  color: white;
}

.tour-step-indicator {
  font-size: 13px;
  font-weight: 600;
  opacity: 0.9;
}

.tour-close {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.tour-close:hover {
  background: rgba(255, 255, 255, 0.3);
}

.tour-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-900);
  margin: 0 0 8px 0;
  padding: 20px 20px 0;
}

.tour-description {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.6;
  margin: 0;
  padding: 0 20px;
}

.tour-actions {
  display: flex;
  gap: 10px;
  padding: 20px;
}

.tour-btn {
  flex: 1;
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s;
  border: none;
}

.tour-btn-primary {
  background: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
  color: white;
}

.tour-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.tour-btn-secondary {
  background: var(--gray-100);
  color: var(--gray-700);
}

.tour-btn-secondary:hover {
  background: var(--gray-200);
}

.tour-btn-secondary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.tour-progress {
  height: 4px;
  background: var(--gray-100);
}

.tour-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, #6366F1, #8B5CF6);
  transition: width 0.3s ease;
  width: 0%;
}

/* Tour Welcome Modal */
.tour-welcome-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.8);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  backdrop-filter: blur(4px);
}

.tour-welcome-modal.active {
  opacity: 1;
  visibility: visible;
}

.tour-welcome-content {
  background: white;
  border-radius: 24px;
  padding: 40px;
  max-width: 420px;
  text-align: center;
  transform: scale(0.9);
  transition: transform 0.3s ease;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.tour-welcome-modal.active .tour-welcome-content {
  transform: scale(1);
}

.tour-welcome-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 36px;
  color: white;
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.tour-welcome-content h2 {
  font-size: 26px;
  font-weight: 800;
  color: var(--gray-900);
  margin: 0 0 12px;
}

.tour-welcome-content p {
  font-size: 15px;
  color: var(--gray-600);
  line-height: 1.6;
  margin: 0 0 28px;
}

.tour-welcome-actions {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
}

.tour-welcome-actions .tour-btn {
  padding: 14px 24px;
}

.tour-dont-show {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 13px;
  color: var(--gray-500);
  cursor: pointer;
}

.tour-dont-show input {
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
}

/* Tour highlight pulse animation */
@keyframes tourPulse {
  0%, 100% { box-shadow: 0 0 0 9999px rgba(15, 23, 42, 0.8), 0 0 0 4px rgba(99, 102, 241, 0.5); }
  50% { box-shadow: 0 0 0 9999px rgba(15, 23, 42, 0.8), 0 0 0 8px rgba(99, 102, 241, 0.3); }
}

.tour-spotlight.pulse {
  animation: tourPulse 2s ease-in-out infinite;
}

/* Responsive */
@media (max-width: 480px) {
  .tour-tooltip {
    width: calc(100vw - 32px);
    left: 16px !important;
    right: 16px !important;
  }

  .tour-welcome-content {
    margin: 16px;
    padding: 28px;
  }

  .tour-welcome-actions {
    flex-direction: column;
  }
}

/* ========================================
   CONTINUE LEARNING CARD
   ======================================== */

.continue-learning {
  margin-bottom: 24px;
}

.continue-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 28px;
  background: linear-gradient(135deg, #5B4FD6 0%, #7C3AED 50%, #0D9488 100%);
  border-radius: 16px;
  color: white;
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(91, 79, 214, 0.25);
}

.continue-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.continue-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
  backdrop-filter: blur(4px);
}

.continue-info {
  flex: 1;
  min-width: 0;
}

.continue-label {
  font-size: 0.8rem;
  opacity: 0.8;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.continue-info h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 4px 0 10px;
}

.continue-progress-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.continue-bar {
  flex: 1;
  height: 6px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 3px;
  overflow: hidden;
}

.continue-fill {
  height: 100%;
  background: white;
  border-radius: 3px;
  transition: width 0.5s ease;
}

.continue-percent {
  font-size: 0.85rem;
  font-weight: 700;
  min-width: 36px;
}

.continue-detail {
  font-size: 0.8rem;
  opacity: 0.75;
  margin-top: 4px;
  display: block;
}

.continue-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: white;
  color: #5B4FD6;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.continue-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

@media (max-width: 768px) {
  .continue-card {
    flex-direction: column;
    text-align: center;
    padding: 20px;
  }
  .continue-btn {
    width: 100%;
    justify-content: center;
  }
  .continue-progress-row {
    width: 100%;
  }
}