/* Modern Professional CSS Design */
:root {
  /* Color Palette - Modern & Professional */
  --primary-gradient: linear-gradient(135deg, #6C5CE7 0%, #A29BFE 100%);
  --secondary-gradient: linear-gradient(135deg, #00B894 0%, #00CEC9 100%);
  --accent-gradient: linear-gradient(135deg, #E17055 0%, #FDCB6E 100%);
  
  --color-primary: #6C5CE7;
  --color-primary-dark: #5A4FCF;
  --color-primary-light: #A29BFE;
  
  --color-secondary: #00B894;
  --color-secondary-dark: #00A085;
  --color-secondary-light: #00CEC9;
  
  --color-accent: #E17055;
  --color-accent-dark: #D63031;
  --color-accent-light: #FDCB6E;
  
  /* Neutral Colors */
  --color-white: #FFFFFF;
  --color-black: #2D3436;
  --color-gray-50: #F8F9FA;
  --color-gray-100: #E9ECEF;
  --color-gray-200: #DEE2E6;
  --color-gray-300: #CED4DA;
  --color-gray-400: #ADB5BD;
  --color-gray-500: #6C757D;
  --color-gray-600: #495057;
  --color-gray-700: #343A40;
  --color-gray-800: #212529;
  --color-gray-900: #1A1A1A;
  
  /* Dark Theme */
  --dark-bg-primary: #0F0F23;
  --dark-bg-secondary: #16213E;
  --dark-bg-card: #1A1A2E;
  --dark-text-primary: #FFFFFF;
  --dark-text-secondary: #B8B8B8;
  
  /* Typography */
  --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-family-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  
  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  
  /* Layout */
  --container-max-width: 1200px;
  --container-padding: 2rem;
  --border-radius-sm: 6px;
  --border-radius-md: 12px;
  --border-radius-lg: 20px;
  --border-radius-xl: 30px;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 8px 25px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12);
  --shadow-primary: 0 10px 40px rgba(108, 92, 231, 0.2);
  --shadow-secondary: 0 10px 40px rgba(0, 184, 148, 0.2);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-smooth: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Dark Theme */
[data-theme="dark"] {
  --bg-primary: var(--dark-bg-primary);
  --bg-secondary: var(--dark-bg-secondary);
  --bg-card: var(--dark-bg-card);
  --text-primary: var(--dark-text-primary);
  --text-secondary: var(--dark-text-secondary);
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-family-primary);
  font-size: 1rem;
  font-weight: var(--font-weight-regular);
  line-height: 1.7;
  color: var(--color-gray-700);
  background-color: var(--color-white);
  overflow-x: hidden;
  transition: all var(--transition-smooth);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: var(--font-weight-extrabold);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: 1.25rem;
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-gray-600);
}

a {
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-fast);
}

ul, ol {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Container */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-family-heading);
  font-size: 0.95rem;
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--border-radius-xl);
  cursor: pointer;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

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

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

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 50px rgba(108, 92, 231, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

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

/* Enhanced outline buttons for auth */
.auth-form .btn-outline {
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
}

.auth-form .btn-outline::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-primary) 0%, #e64a19 100%);
  transition: left 0.4s ease;
  z-index: -1;
}

.auth-form .btn-outline:hover::before {
  left: 0;
}

.auth-form .btn-outline:hover {
  color: var(--color-white);
  border-color: transparent;
  background: transparent;
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(255, 87, 34, 0.3);
}

.auth-form .btn-outline i {
  margin-right: var(--spacing-sm);
  font-size: 1.1em;
}

/* Ensure registration page buttons are always visible */
#register-form button[type="submit"],
#register-form .auth-btn,
button.auth-btn {
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
  background: linear-gradient(135deg, #6C5CE7 0%, #e64a19 100%) !important;
  color: white !important;
  border: none !important;
  padding: 1.2rem 2rem !important;
  border-radius: 12px !important;
  font-size: 1.1rem !important;
  font-weight: 700 !important;
  text-transform: uppercase !important;
  letter-spacing: 0.5px !important;
  width: 100% !important;
  cursor: pointer !important;
  margin: 1.5rem 0 !important;
  box-shadow: 0 8px 25px rgba(255, 87, 34, 0.25) !important;
}

/* Registration form specific styling */
#register-form {
  display: flex !important;
  flex-direction: column !important;
  gap: 1.5rem !important;
  visibility: visible !important;
}

/* Auth divider for registration */
#register-form .auth-divider {
  display: flex !important;
  visibility: visible !important;
  text-align: center !important;
  margin: 1.5rem 0 !important;
  color: #666 !important;
}

/* Link to login */
#register-form a[href="login.html"] {
  display: block !important;
  visibility: visible !important;
  text-decoration: none !important;
  background: rgba(255, 255, 255, 0.1) !important;
  border: 2px solid #6C5CE7 !important;
  color: #6C5CE7 !important;
  padding: 1.2rem 2rem !important;
  border-radius: 12px !important;
  text-align: center !important;
  font-weight: 600 !important;
  text-transform: uppercase !important;
  letter-spacing: 0.5px !important;
}

/* Ensure all registration form elements are visible on Netlify */
#register-form .form-group,
#register-form label,
#register-form input,
#register-form .input-wrapper,
#register-form .checkbox-label,
#register-form .auth-divider {
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
}

#register-form .checkbox-label {
  display: flex !important;
}

/* Fix Terms of Service links specifically */
#register-form .text-link,
#terms + span + a,
a[href="#"].text-link {
  color: #6C5CE7 !important;
  text-decoration: underline !important;
  font-weight: 600 !important;
  display: inline !important;
  visibility: visible !important;
  opacity: 1 !important;
}

/* Password requirements visibility */
.password-requirements {
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
  background: rgba(255, 255, 255, 0.1);
  padding: 1rem;
  border-radius: 8px;
  margin-top: 0.5rem;
}

.password-requirements ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.password-requirements li {
  display: flex !important;
  align-items: center;
  gap: 0.5rem;
  color: #666;
  font-size: 0.85rem;
  margin: 0.25rem 0;
}

.password-requirements li::before {
  content: '✓';
  color: #00B894;
  font-weight: bold;
}

.password-requirements li.invalid::before {
  content: '✗';
  color: #e74c3c;
}

/* Loading states for auth buttons */
.btn-loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}

.btn-loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid var(--color-white);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Pulse animation for enhanced visual feedback */
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 87, 34, 0.4); }
  70% { box-shadow: 0 0 0 10px rgba(255, 87, 34, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 87, 34, 0); }
}

.auth-btn:focus {
  animation: pulse 1.5s infinite;
  outline: none;
}

.btn-large {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1.1rem;
}

/* Enhanced Auth Button Styles */
.auth-btn {
  background: linear-gradient(135deg, #6C5CE7 0%, #e64a19 100%);
  border: none;
  color: #FFFFFF;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: 0 8px 25px rgba(255, 87, 34, 0.25);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
  display: block !important;
  visibility: visible !important;
  width: 100%;
  padding: 1.2rem 2rem;
  border-radius: 12px;
  font-size: 1.1rem;
  cursor: pointer;
  margin: 1.5rem 0;
}

.auth-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.6s;
}

.auth-btn:hover {
  background: linear-gradient(135deg, #e64a19 0%, #d84315 100%);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 35px rgba(255, 87, 34, 0.4);
}

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

.auth-btn:active {
  transform: translateY(-1px) scale(1.01);
  box-shadow: 0 4px 15px rgba(255, 87, 34, 0.3);
}

.auth-btn i {
  margin-right: var(--spacing-sm);
  font-size: 1.1em;
}

/* Section Styles */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-subtitle {
  display: inline-block;
  font-size: 0.9rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: var(--spacing-sm);
  position: relative;
}

.section-subtitle::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 2px;
  background: var(--primary-gradient);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-md);
}

.section-description {
  font-size: 1.1rem;
  color: var(--color-gray-600);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Preloader */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity var(--transition-smooth), visibility var(--transition-smooth);
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

.preloader-content {
  text-align: center;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 3px solid var(--color-gray-200);
  border-top: 3px solid var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto var(--spacing-md);
}

.preloader p {
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-600);
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 1000;
  transition: all var(--transition-smooth);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-lg);
}

.nav-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-family: var(--font-family-heading);
  font-size: 1.5rem;
  font-weight: var(--font-weight-extrabold);
  color: var(--color-gray-900);
}

.logo-icon {
  font-size: 1.8rem;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

/* Desktop positioning */
@media (min-width: 769px) {
  .nav-actions {
    position: relative;
  }
}

.guest-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.nav-link {
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 100%;
  height: 2px;
  background: var(--primary-gradient);
  border-radius: 2px;
  transition: transform var(--transition-fast);
}

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

.nav-link:hover::after,
.nav-link.active::after {
  transform: translateX(-50%) scaleX(1);
}

.theme-toggle {
  background: none;
  border: none;
  padding: var(--spacing-xs);
  border-radius: var(--border-radius-md);
  cursor: pointer;
  color: var(--color-gray-600);
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  color: var(--color-primary);
  background: var(--color-gray-100);
}

.nav-cta {
  margin-left: var(--spacing-sm);
}

/* Mobile Navigation */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.bar {
  width: 25px;
  height: 3px;
  background: var(--color-gray-700);
  margin: 3px 0;
  transition: all var(--transition-fast);
  border-radius: 2px;
}

.hamburger.active .bar:nth-child(1) {
  transform: rotate(-45deg) translate(-5px, 6px);
}

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

.hamburger.active .bar:nth-child(3) {
  transform: rotate(45deg) translate(-5px, -6px);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 100%);
  padding: 120px 0 var(--spacing-3xl);
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.hero-shapes {
  position: relative;
  width: 100%;
  height: 100%;
}

.shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.1;
  animation: float 20s ease-in-out infinite;
}

.shape-1 {
  width: 300px;
  height: 300px;
  background: var(--primary-gradient);
  top: 10%;
  right: 10%;
  animation-delay: 0s;
}

.shape-2 {
  width: 200px;
  height: 200px;
  background: var(--secondary-gradient);
  bottom: 20%;
  left: 5%;
  animation-delay: 5s;
}

.shape-3 {
  width: 150px;
  height: 150px;
  background: var(--accent-gradient);
  top: 50%;
  left: 50%;
  animation-delay: 10s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  33% { transform: translateY(-30px) rotate(120deg); }
  66% { transform: translateY(30px) rotate(240deg); }
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-text {
  max-width: 600px;
}

.hero-greeting {
  display: inline-block;
  font-size: 1.1rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
  position: relative;
}

.hero-greeting::before {
  content: '👋';
  margin-right: var(--spacing-xs);
  animation: wave 2s ease-in-out infinite;
}

@keyframes wave {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(20deg); }
  75% { transform: rotate(-20deg); }
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-md);
  line-height: 1.1;
}

.highlight {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

.hero-subtitle {
  font-size: 1.3rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-700);
  margin-bottom: var(--spacing-md);
}

.hero-description {
  font-size: 1.1rem;
  color: var(--color-gray-600);
  line-height: 1.7;
  margin-bottom: var(--spacing-xl);
}

.hero-stats {
  display: flex;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: var(--font-weight-extrabold);
  color: var(--color-primary);
  line-height: 1;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--color-gray-600);
  font-weight: var(--font-weight-medium);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.hero-image {
  position: relative;
}

.image-container {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.hero-img {
  width: 100%;
  height: 600px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.hero-img:hover {
  transform: scale(1.05);
}

.image-badge {
  position: absolute;
  bottom: var(--spacing-lg);
  left: var(--spacing-lg);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-900);
  font-size: 0.9rem;
}

.image-badge i {
  color: var(--color-primary);
}

.scroll-indicator {
  position: absolute;
  bottom: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.scroll-arrow {
  width: 40px;
  height: 40px;
  border: 2px solid var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  animation: bounce 2s infinite;
}

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

/* Admin Setup Section */
.admin-setup {
  padding: var(--spacing-2xl) 0;
  background: linear-gradient(135deg, #ff4757, #ff6b7a);
  color: white;
  text-align: center;
}

.admin-setup-content {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--spacing-2xl);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-xl);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.admin-setup-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.9;
}

.admin-setup h3 {
  font-size: 1.8rem;
  margin-bottom: var(--spacing-md);
  font-weight: var(--font-weight-bold);
}

.admin-setup p {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-xl);
  opacity: 0.9;
  line-height: 1.6;
}

#create-first-admin-btn {
  background: rgba(255, 255, 255, 0.2);
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: white;
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1.1rem;
  font-weight: var(--font-weight-semibold);
  border-radius: var(--border-radius-lg);
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

#create-first-admin-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

#create-first-admin-btn i {
  margin-right: var(--spacing-sm);
}

/* Notification System */
.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 10000;
  min-width: 300px;
  max-width: 500px;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  color: white;
  font-weight: var(--font-weight-medium);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(10px);
  animation: slideInRight 0.3s ease;
}

.notification-success {
  background: linear-gradient(135deg, #00b894, #00cec9);
  border-left: 4px solid #00a085;
}

.notification-error {
  background: linear-gradient(135deg, #e17055, #d63031);
  border-left: 4px solid #c0392b;
}

.notification-info {
  background: linear-gradient(135deg, #6c5ce7, #a29bfe);
  border-left: 4px solid #5a4fcf;
}

.notification-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.notification-content i:first-child {
  font-size: 1.2rem;
  opacity: 0.9;
}

.notification-close {
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  padding: var(--spacing-xs);
  margin-left: auto;
  border-radius: var(--border-radius-sm);
  transition: background-color 0.2s ease;
}

.notification-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

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

/* About Section */
.about {
  padding: var(--spacing-3xl) 0;
  background: var(--color-gray-50);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
  margin-top: var(--spacing-xl);
}

.about-image {
  position: relative;
}

.image-wrapper {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.image-wrapper img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.image-wrapper:hover img {
  transform: scale(1.05);
}

.experience-badge {
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  background: var(--color-white);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.badge-number {
  display: block;
  font-size: 1.5rem;
  font-weight: var(--font-weight-extrabold);
  color: var(--color-primary);
  line-height: 1;
}

.badge-text {
  font-size: 0.8rem;
  color: var(--color-gray-600);
  font-weight: var(--font-weight-medium);
}

.about-text {
  max-width: 600px;
}

.about-story h3 {
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-md);
  font-size: 1.5rem;
}

.about-story p {
  margin-bottom: var(--spacing-md);
  font-size: 1.05rem;
  line-height: 1.7;
}

.credentials {
  margin: var(--spacing-xl) 0;
}

.credentials h4 {
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-md);
}

.credential-list {
  display: grid;
  gap: var(--spacing-sm);
}

.credential-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: var(--color-white);
  border-radius: var(--border-radius-md);
  border-left: 4px solid var(--color-primary);
  transition: all var(--transition-fast);
}

.credential-item:hover {
  transform: translateX(5px);
  box-shadow: var(--shadow-md);
}

.credential-item i {
  color: var(--color-primary);
  font-size: 1.1rem;
}

.specializations {
  margin-top: var(--spacing-xl);
}

.specializations h4 {
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-md);
}

.specialization-grid {
  display: grid;
  gap: var(--spacing-md);
}

.spec-item {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--color-white);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
}

.spec-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.spec-icon {
  flex-shrink: 0;
  width: 50px;
  height: 50px;
  background: var(--primary-gradient);
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 1.2rem;
}

.spec-content h5 {
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-xs);
  font-size: 1.1rem;
}

.spec-content p {
  color: var(--color-gray-600);
  font-size: 0.95rem;
  margin: 0;
}

/* Services Section */
.services {
  padding: var(--spacing-3xl) 0;
  background: var(--color-white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.service-card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-gray-100);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary-gradient);
  transform: scaleX(0);
  transition: transform var(--transition-smooth);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.service-card.premium {
  border: 2px solid var(--color-primary);
  transform: scale(1.05);
}

.service-card.premium::before {
  transform: scaleX(1);
}

.service-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
}

.service-icon {
  width: 60px;
  height: 60px;
  background: var(--primary-gradient);
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 1.5rem;
}

.service-badge {
  background: var(--primary-gradient);
  color: var(--color-white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-xl);
  font-size: 0.8rem;
  font-weight: var(--font-weight-semibold);
}

.service-card h3 {
  font-size: 1.4rem;
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-md);
}

.service-description {
  color: var(--color-gray-600);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
}

.service-features {
  margin-bottom: var(--spacing-lg);
}

.service-features li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  color: var(--color-gray-600);
}

.service-features i {
  color: var(--color-secondary);
  font-size: 0.9rem;
}

.service-price {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-lg);
}

.price {
  font-size: 2rem;
  font-weight: var(--font-weight-extrabold);
  color: var(--color-primary);
}

.period {
  color: var(--color-gray-500);
  font-weight: var(--font-weight-medium);
}

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

/* Testimonials Section */
.testimonials {
  padding: var(--spacing-3xl) 0;
  background: var(--color-gray-50);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.testimonial-card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-smooth);
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.testimonial-content {
  margin-bottom: var(--spacing-lg);
}

.stars {
  display: flex;
  gap: 2px;
  margin-bottom: var(--spacing-md);
}

.stars i {
  color: #FFD700;
  font-size: 1.1rem;
}

.testimonial-content p {
  font-style: italic;
  color: var(--color-gray-700);
  line-height: 1.7;
  font-size: 1.05rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.testimonial-author img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
}

.author-info h4 {
  color: var(--color-gray-900);
  margin-bottom: 2px;
  font-size: 1rem;
}

.author-info span {
  color: var(--color-gray-500);
  font-size: 0.9rem;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

/* Buttons */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.5rem;
  background-color: var(--accent-color);
  color: white;
  font-weight: 600;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: transform 0.3s ease, background-color 0.3s ease;
  text-decoration: none;
}

.button:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
}

.button:active {
  transform: translateY(0);
}

.button-loader {
  display: none;
}

button[aria-live="polite"].loading .button-text {
  display: none;
}

button[aria-live="polite"].loading .button-loader {
  display: block;
}

/* Sections */
section {
  max-width: 1100px;
  margin: auto;
  padding: 4rem 2rem;
}

section h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 2rem;
  color: #0077ff;
}

/* About */
.about p {
  max-width: 700px;
  margin: auto;
  text-align: center;
  font-size: 1.1rem;
  color: var(--text-secondary);
}

/* Services */
.services .service-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.services .card {
  background: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgb(0 0 0 / 5%);
  text-align: center;
  transition: transform 0.3s ease;
}

.services .card:hover {
  transform: translateY(-5px);
}

.services .card h3 {
  color: #0077ff;
}

/* Portfolio */
.portfolio .portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.portfolio-item {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgb(0 0 0 / 5%);
  text-align: center;
  transition: transform 0.3s ease;
}

.portfolio-item:hover {
  transform: scale(1.03);
}

/* Contact */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 600px;
  margin: auto;
}

.contact-form label {
  font-weight: 500;
}

.contact-form input,
.contact-form textarea {
  padding: 0.8rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-family: inherit;
  font-size: 1rem;
  width: 100%;
}

.contact-form textarea {
  min-height: 150px;
  resize: vertical;
}

/* Footer */
.footer {
  text-align: center;
  padding: 2rem;
  background: var(--bg-secondary);
  color: var(--text-primary);
}

/* Mobile Styles */
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-primary);
    padding: 1rem;
    flex-direction: column;
    gap: 1rem;
    box-shadow: var(--shadow);
  }

  .nav-menu.active {
    display: flex;
  }

  .about-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1.2rem;
  }
}
/* Contact Section */
.contact {
  padding: var(--spacing-3xl) 0;
  background: var(--color-white);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  margin-top: var(--spacing-xl);
}

.contact-info {
  padding: var(--spacing-lg);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.contact-icon {
  flex-shrink: 0;
  width: 50px;
  height: 50px;
  background: var(--primary-gradient);
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 1.2rem;
}

.contact-details h4 {
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-xs);
  font-size: 1.1rem;
}

.contact-details p {
  color: var(--color-gray-600);
  margin: 0;
}

.social-links {
  margin-top: var(--spacing-xl);
}

.social-links h4 {
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-md);
}

.social-icons {
  display: flex;
  gap: var(--spacing-sm);
}

.social-link {
  width: 45px;
  height: 45px;
  background: var(--color-gray-100);
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-600);
  font-size: 1.2rem;
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.contact-form {
  background: var(--color-gray-50);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--border-radius-md);
  font-family: var(--font-family-primary);
  font-size: 1rem;
  transition: all var(--transition-fast);
  background: var(--color-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* Footer */
.footer {
  background: var(--color-gray-900);
  color: var(--color-white);
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-family: var(--font-family-heading);
  font-size: 1.5rem;
  font-weight: var(--font-weight-extrabold);
  margin-bottom: var(--spacing-md);
}

.footer-brand p {
  color: var(--color-gray-400);
  line-height: 1.6;
}

.footer-column h4 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  font-size: 1.1rem;
}

.footer-column ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.footer-column a {
  color: var(--color-gray-400);
  transition: color var(--transition-fast);
}

.footer-column a:hover {
  color: var(--color-white);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-gray-700);
}

.footer-bottom p {
  color: var(--color-gray-400);
  margin: 0;
}

.footer-social {
  display: flex;
  gap: var(--spacing-sm);
}

.footer-social .social-link {
  background: var(--color-gray-800);
}

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

/* Responsive Design */
@media (max-width: 1024px) {
  :root {
    --container-padding: 1.5rem;
    --spacing-3xl: 4rem;
  }
  
  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    text-align: center;
  }
  
  .hero-image {
    order: -1;
  }
  
  .hero-stats {
    justify-content: center;
  }
  
  .about-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    text-align: center;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: 1rem;
    --spacing-3xl: 3rem;
  }
  
  .hamburger {
    display: flex;
  }
  
  .nav-container {
    position: relative;
  }
  
  .nav-menu {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    height: calc(100vh - 80px);
    background: var(--color-white);
    flex-direction: column;
    justify-content: flex-start;
    padding: var(--spacing-xl) var(--spacing-xl) 140px;
    gap: var(--spacing-lg);
    transform: translateX(-100%);
    transition: transform var(--transition-smooth);
    box-shadow: var(--shadow-lg);
    overflow-y: auto;
  }
  
  .nav-menu.active {
    transform: translateX(0);
  }
  
  .nav-item {
    width: 100%;
  }
  
  .nav-link {
    display: block;
    padding: var(--spacing-md);
    text-align: center;
    font-size: 1.1rem;
  }
  
  .nav-actions {
    position: fixed !important;
    bottom: -200px !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    padding: var(--spacing-lg) var(--spacing-xl) !important;
    background: var(--color-white) !important;
    border-top: 1px solid var(--color-gray-200) !important;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1) !important;
    transition: bottom 0.3s ease, opacity 0.3s ease !important;
    z-index: 9999 !important;
    opacity: 0 !important;
    pointer-events: none !important;
    transform: none !important;
    margin: 0 !important;
    top: auto !important;
  }
  
  .nav-actions.mobile-visible {
    bottom: 0 !important;
    opacity: 1 !important;
    pointer-events: auto !important;
  }
  
  .guest-actions {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .guest-actions .btn {
    width: 100%;
    justify-content: center;
  }
  
  .nav-cta {
    margin: 0;
  }
  
  .hero {
    padding: 100px 0 var(--spacing-xl);
    min-height: auto;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .btn-large {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1rem;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .service-card.premium {
    transform: none;
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-lg);
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 280px;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
}

/* Animation Classes for AOS */
[data-aos] {
  opacity: 0;
  transition-property: opacity, transform;
}

[data-aos].aos-animate {
  opacity: 1;
}

[data-aos="fade-up"] {
  transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
  transform: translateY(0);
}

[data-aos="fade-left"] {
  transform: translateX(30px);
}

[data-aos="fade-left"].aos-animate {
  transform: translateX(0);
}

[data-aos="fade-right"] {
  transform: translateX(-30px);
}

[data-aos="fade-right"].aos-animate {
  transform: translateX(0);
}

/* Dark Theme Styles */
[data-theme="dark"] {
  .navbar {
    background: rgba(15, 15, 35, 0.95);
  }
  
  .hero {
    background: linear-gradient(135deg, var(--dark-bg-primary) 0%, var(--dark-bg-secondary) 100%);
  }
  
  .about {
    background: var(--dark-bg-secondary);
  }
  
  .testimonials {
    background: var(--dark-bg-secondary);
  }
  
  .service-card,
  .testimonial-card,
  .contact-form {
    background: var(--dark-bg-card);
    border-color: var(--color-gray-700);
  }
  
  .form-group input,
  .form-group select,
  .form-group textarea {
    background: var(--dark-bg-primary);
    border-color: var(--color-gray-700);
    color: var(--dark-text-primary);
  }
}

/* E-Books Section */
.ebooks {
  padding: var(--spacing-3xl) 0;
  background: var(--color-white);
}

.ebooks-nav {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.ebook-tab {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--color-gray-100);
  color: var(--color-gray-600);
  border: none;
  border-radius: var(--border-radius-xl);
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.ebook-tab:hover {
  background: var(--color-gray-200);
  color: var(--color-gray-700);
}

.ebook-tab.active {
  background: var(--primary-gradient);
  color: var(--color-white);
}

.ebook-content {
  display: none;
}

.ebook-content.active {
  display: block;
}

.ebook-filters {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  align-items: center;
  flex-wrap: wrap;
}

.filter-select {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--border-radius-md);
  font-family: var(--font-family-primary);
  background: var(--color-white);
  cursor: pointer;
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 250px;
}

.search-box i {
  position: absolute;
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-gray-500);
}

.search-box input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  padding-left: 3rem;
  border: 2px solid var(--color-gray-200);
  border-radius: var(--border-radius-md);
  font-family: var(--font-family-primary);
  transition: border-color var(--transition-fast);
}

.search-box input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.ebooks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.ebook-card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-smooth);
  cursor: pointer;
  position: relative;
}

.ebook-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.ebook-thumbnail {
  width: 100%;
  height: 200px;
  background: var(--color-gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.ebook-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ebook-thumbnail .placeholder {
  font-size: 3rem;
  color: var(--color-gray-400);
}

.ebook-info {
  padding: var(--spacing-lg);
}

.ebook-title {
  font-size: 1.2rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-xs);
  line-height: 1.3;
}

.ebook-author {
  color: var(--color-gray-600);
  font-size: 0.9rem;
  margin-bottom: var(--spacing-sm);
}

.ebook-category {
  display: inline-block;
  background: var(--primary-gradient);
  color: var(--color-white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  font-size: 0.8rem;
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-md);
}

.ebook-description {
  color: var(--color-gray-600);
  font-size: 0.95rem;
  line-height: 1.5;
  margin-bottom: var(--spacing-md);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ebook-actions {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

.ebook-actions .btn {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.9rem;
}

.saved-indicator {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: var(--color-secondary);
  color: var(--color-white);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

.admin-actions {
  position: absolute;
  top: var(--spacing-sm);
  left: var(--spacing-sm);
  display: flex;
  gap: var(--spacing-xs);
}

.admin-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  transition: all var(--transition-fast);
}

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

.delete-btn {
  background: var(--color-accent-dark);
  color: var(--color-white);
}

.admin-btn:hover {
  transform: scale(1.1);
}

/* Modal Styles */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: var(--spacing-md);
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--color-gray-200);
}

.modal-header h3 {
  margin: 0;
  color: var(--color-gray-900);
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.2rem;
  color: var(--color-gray-500);
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-gray-100);
  color: var(--color-gray-700);
}

.modal-body {
  padding: var(--spacing-lg);
}

.ebook-details {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: var(--spacing-lg);
  align-items: start;
}

.modal .ebook-thumbnail {
  height: 200px;
  border-radius: var(--border-radius-md);
}

.modal .ebook-actions {
  margin-top: var(--spacing-lg);
}

.modal .ebook-actions .btn {
  flex: none;
  margin-right: var(--spacing-sm);
}

.modal-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
  margin-top: var(--spacing-xl);
}

/* Loading and Empty States */
.loading-spinner {
  text-align: center;
  padding: var(--spacing-3xl) var(--spacing-lg);
}

.loading-spinner .spinner {
  margin: 0 auto var(--spacing-md);
}

.empty-library {
  text-align: center;
  padding: var(--spacing-3xl) var(--spacing-lg);
  color: var(--color-gray-500);
}

.empty-library i {
  font-size: 4rem;
  margin-bottom: var(--spacing-lg);
}

.empty-library h4 {
  color: var(--color-gray-700);
  margin-bottom: var(--spacing-md);
}

.library-header, .admin-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

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

/* Responsive E-Books */
@media (max-width: 768px) {
  .ebooks-nav {
    flex-direction: column;
    align-items: center;
  }

  .ebook-tab {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }

  .ebook-filters {
    flex-direction: column;
    align-items: stretch;
  }

  .search-box {
    min-width: unset;
  }

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

  .ebook-details {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .modal .ebook-thumbnail {
    height: 150px;
    margin: 0 auto;
    max-width: 200px;
  }

  .admin-header {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }

  .modal-actions {
    flex-direction: column;
  }
}

/* Dark Theme E-Books */
[data-theme="dark"] .ebooks {
  background: var(--dark-bg-primary);
}

[data-theme="dark"] .ebook-card,
[data-theme="dark"] .modal-content {
  background: var(--dark-bg-card);
  border-color: var(--color-gray-700);
}

[data-theme="dark"] .filter-select,
[data-theme="dark"] .search-box input {
  background: var(--dark-bg-primary);
  border-color: var(--color-gray-700);
  color: var(--dark-text-primary);
}

[data-theme="dark"] .ebook-tab {
  background: var(--color-gray-800);
  color: var(--dark-text-secondary);
}

[data-theme="dark"] .ebook-tab:hover {
  background: var(--color-gray-700);
}

/* ================================
   AUTHENTICATION STYLES
   ================================ */

/* Auth Page Layout */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #6C5CE7 0%, #A29BFE 50%, #74b9ff 100%);
  padding: 2rem;
  padding-top: calc(80px + 2rem);
  position: relative;
}

.auth-page::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="80" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="40" cy="60" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="60" cy="40" r="1" fill="rgba(255,255,255,0.1)"/></svg>') repeat;
  pointer-events: none;
}

.auth-container {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-radius: 20px;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(255, 255, 255, 0.2);
  padding: 3rem;
  width: 100%;
  max-width: 450px;
  position: relative;
  z-index: 1;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}

.admin-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  background: linear-gradient(135deg, #ff4757, #ff6b7a);
  color: white;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-lg);
  margin-top: var(--spacing-md);
  font-size: 0.9rem;
  font-weight: var(--font-weight-semibold);
  box-shadow: 0 4px 15px rgba(255, 71, 87, 0.3);
}

.admin-indicator i {
  font-size: 1rem;
}

.auth-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.auth-logo .logo-icon {
  font-size: 2.5rem;
  background: linear-gradient(135deg, #6C5CE7, #A29BFE);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 2px 4px rgba(108, 92, 231, 0.3));
}

.auth-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: #2d3436;
  margin-bottom: 0.5rem;
  font-family: 'Poppins', sans-serif;
}

.auth-header p {
  color: #636e72;
  font-size: 1rem;
  margin: 0;
}

.auth-logo .logo-text {
  font-family: 'Poppins', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  color: #2d3436;
  background: linear-gradient(135deg, #6C5CE7, #A29BFE);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Auth Forms */
.auth-form {
  display: flex !important;
  flex-direction: column;
  gap: 1.5rem;
  visibility: visible !important;
  opacity: 1 !important;
}

.form-group {
  position: relative;
  display: block !important;
  visibility: visible !important;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: #2d3436;
  font-size: 0.9rem;
  font-family: 'Inter', sans-serif;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-wrapper i {
  position: absolute;
  left: 1rem;
  color: #b2bec3;
  z-index: 2;
  transition: color 0.3s ease;
}

.input-wrapper input {
  width: 100%;
  padding: 1rem 1rem 1rem 3rem;
  border: 2px solid #e8eaed;
  border-radius: 12px;
  font-size: 1rem;
  font-family: 'Inter', sans-serif;
  background: rgba(255, 255, 255, 0.8);
  transition: all 0.3s ease;
  outline: none;
}

.input-wrapper input:focus {
  border-color: #6C5CE7;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.1);
}

.input-wrapper input:focus + i,
.input-wrapper input:not(:placeholder-shown) + i {
  color: #6C5CE7;
}

.input-wrapper input::placeholder {
  color: #b2bec3;
  font-weight: 400;
}

.password-toggle {
  position: absolute;
  right: 1rem;
  background: none;
  border: none;
  color: #b2bec3;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 2;
  transition: all 0.3s ease;
  border-radius: 8px;
}

.password-toggle:hover {
  color: #6C5CE7;
  background: rgba(108, 92, 231, 0.1);
}

.form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0.5rem 0;
}

.checkbox-label {
  display: flex !important;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  user-select: none;
  color: #2d3436 !important;
  font-size: 0.9rem;
  font-family: 'Inter', sans-serif;
  transition: color 0.3s ease;
  visibility: visible !important;
  line-height: 1.4;
}

.checkbox-label:hover {
  color: #2d3436;
}

.checkbox-label input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.checkmark {
  width: 20px;
  height: 20px;
  border: 2px solid #ddd;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.8);
  position: relative;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
  background: #6C5CE7;
  border-color: #6C5CE7;
  transform: scale(1.05);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.forgot-link,
.text-link {
  color: #6C5CE7 !important;
  text-decoration: underline !important;
  font-size: 0.9rem;
  font-weight: 600 !important;
  transition: all var(--transition-base);
  position: relative;
  padding: var(--spacing-xs) 0;
  display: inline !important;
  visibility: visible !important;
}

.forgot-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), #e64a19);
  transition: width 0.3s ease;
}

.forgot-link:hover,
.text-link:hover {
  color: var(--color-white);
  text-decoration: none;
}

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

.text-link:hover {
  color: #5A4FCF !important;
  text-decoration: underline !important;
  font-weight: 700 !important;
}

.auth-divider {
  display: flex;
  align-items: center;
  margin: var(--spacing-xl) 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  font-weight: 500;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

.auth-divider span {
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-lg);
  backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  white-space: nowrap;
}

.auth-btn {
  margin-top: var(--spacing-md);
}

.btn-large {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1.1rem;
  min-height: 50px;
}

/* Password Requirements */
.password-requirements {
  margin-top: var(--spacing-xs);
  padding: var(--spacing-sm);
  background: var(--color-gray-50);
  border-radius: var(--border-radius-md);
  font-size: 0.875rem;
}

.password-requirements ul {
  margin: 0;
  padding-left: var(--spacing-lg);
  color: var(--color-gray-600);
}

.password-requirements li {
  margin: var(--spacing-xs) 0;
}

.password-requirements li.valid {
  color: var(--color-success);
}

.password-requirements li.invalid {
  color: var(--color-error);
}

/* User Menu */
.user-menu {
  position: relative;
}

.user-menu-toggle {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: var(--color-gray-100);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-sm) var(--spacing-md);
  cursor: pointer;
  transition: all var(--transition-base);
  color: var(--color-gray-700);
}

.user-menu-toggle:hover {
  background: var(--color-gray-200);
  border-color: var(--color-gray-300);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: var(--font-weight-semibold);
  font-size: 0.9rem;
}

.user-name {
  font-weight: var(--font-weight-medium);
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 180px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-base);
  z-index: 1000;
  margin-top: var(--spacing-xs);
}

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

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--color-gray-700);
  text-decoration: none;
  transition: background-color var(--transition-base);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  font-size: 0.9rem;
}

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

.dropdown-item.active {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.dropdown-item i {
  width: 16px;
  text-align: center;
}

/* Profile Page */
.profile-page {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 100%);
  padding: calc(var(--navbar-height) + var(--spacing-xl)) var(--spacing-lg) var(--spacing-xl);
}

.profile-container {
  max-width: 800px;
  margin: 0 auto;
}

.profile-header {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  text-align: center;
}

.profile-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: var(--color-white);
  margin: 0 auto var(--spacing-lg);
  position: relative;
}

.profile-name {
  font-size: 1.75rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-xs);
}

.profile-email {
  color: var(--color-gray-600);
  font-size: 1.1rem;
}

.profile-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.stat-item {
  text-align: center;
  padding: var(--spacing-md);
  background: var(--color-gray-50);
  border-radius: var(--border-radius-md);
}

.stat-value {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  display: block;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-gray-600);
  margin-top: var(--spacing-xs);
}

.profile-section {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--spacing-xl);
  overflow: hidden;
}

.section-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--color-gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.section-title {
  font-size: 1.25rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-900);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.section-content {
  padding: var(--spacing-lg);
}

.profile-form {
  display: grid;
  gap: var(--spacing-lg);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

/* Notifications */
.notification-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 10000;
  pointer-events: none;
}

.notification {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-lg);
  min-width: 300px;
  max-width: 500px;
  margin-bottom: var(--spacing-md);
  opacity: 0;
  transform: translateX(100%);
  transition: all var(--transition-base);
  pointer-events: auto;
}

.notification.show {
  opacity: 1;
  transform: translateX(0);
}

.notification-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.notification-close {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  background: none;
  border: none;
  color: var(--color-gray-400);
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-base);
}

.notification-close:hover {
  background: var(--color-gray-100);
  color: var(--color-gray-600);
}

.notification-success {
  border-left: 4px solid var(--color-success);
}

.notification-error {
  border-left: 4px solid var(--color-error);
}

.notification-warning {
  border-left: 4px solid var(--color-warning);
}

.notification-info {
  border-left: 4px solid var(--color-info);
}

.notification-success .notification-content i {
  color: var(--color-success);
}

.notification-error .notification-content i {
  color: var(--color-error);
}

.notification-warning .notification-content i {
  color: var(--color-warning);
}

.notification-info .notification-content i {
  color: var(--color-info);
}

/* Responsive Auth */
@media (max-width: 768px) {
  .auth-page {
    padding: var(--spacing-md);
  }
  
  .auth-container {
    padding: var(--spacing-xl);
  }
  
  .form-options {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .user-menu-toggle {
    padding: var(--spacing-xs) var(--spacing-sm);
  }
  
  .user-name {
    display: none;
  }
  
  .notification-container {
    top: 10px;
    right: 10px;
    left: 10px;
  }
  
  .notification {
    min-width: unset;
    max-width: unset;
  }
  
  .profile-stats {
    grid-template-columns: 1fr;
  }
}