/* CSS Custom Properties */
:root {
  /* Colors */
  --primary-bg: #0a0a0f;
  --secondary-bg: #151520;
  --card-bg: rgba(255, 255, 255, 0.05);
  --border-color: rgba(255, 255, 255, 0.1);
  --text-primary: #ffffff;
  --text-secondary: #a0a0b3;
  --text-muted: #6b7280;
  --accent-primary: #6366f1;
  --accent-secondary: #8b5cf6;
  --success: #10b981;
  --error: #ef4444;
  --warning: #f59e0b;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --gradient-card: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
  --gradient-border: linear-gradient(135deg, rgba(99, 102, 241, 0.3) 0%, rgba(139, 92, 246, 0.3) 100%);
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background: var(--primary-bg);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 20% 20%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

p {
  margin-bottom: var(--space-sm);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: var(--transition-normal);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
}

.nav-logo i {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: var(--space-lg);
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-fast);
  position: relative;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition-fast);
}

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

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 70px;
  overflow: hidden;
}

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

.hero-gradient {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse at center, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.hero-text {
  animation: fadeInUp 1s ease-out;
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--space-md);
}

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

.hero-description {
  font-size: var(--font-size-xl);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-xl);
}

/* Chatbot Creator */
.chatbot-creator {
  animation: fadeInUp 1s ease-out 0.2s both;
}

.creator-card {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-xl);
  transition: var(--transition-normal);
}

.creator-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.creator-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.creator-header h2 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-sm);
}

.creator-header p {
  color: var(--text-secondary);
  margin-bottom: 0;
}

.creator-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

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

.input-icon {
  position: absolute;
  left: var(--space-sm);
  color: var(--text-muted);
  z-index: 1;
}

.url-input {
  width: 100%;
  padding: var(--space-md) var(--space-md) var(--space-md) 3rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  font-size: var(--font-size-base);
  transition: var(--transition-fast);
}

.url-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.url-input::placeholder {
  color: var(--text-muted);
}

.url-validation {
  font-size: var(--font-size-sm);
  min-height: 1.2rem;
  transition: var(--transition-fast);
}

.url-validation.valid {
  color: var(--success);
}

.url-validation.invalid {
  color: var(--error);
}

/* Button Styles - Fixed Loading States */
.create-btn, .action-btn {
  position: relative;
  background: var(--gradient-primary);
  border: none;
  border-radius: var(--radius-lg);
  padding: var(--space-md) var(--space-xl);
  color: white;
  font-size: var(--font-size-lg);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-normal);
  overflow: hidden;
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.create-btn:hover:not(.loading):not(:disabled),
.action-btn:hover:not(.loading):not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.create-btn:active,
.action-btn:active {
  transform: translateY(0);
}

.create-btn.loading,
.action-btn.loading {
  cursor: not-allowed;
  pointer-events: none;
}

.btn-content {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-text {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  transition: all var(--transition-fast);
  opacity: 1;
  transform: translateY(0);
}

.btn-loader {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  opacity: 0;
  transition: all var(--transition-fast);
  pointer-events: none;
}

.create-btn.loading .btn-text,
.action-btn.loading .btn-text {
  opacity: 0;
  transform: translateY(10px);
}

.create-btn.loading .btn-loader,
.action-btn.loading .btn-loader {
  opacity: 1;
  pointer-events: auto;
}

/* Improved Spinner Animation */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  flex-shrink: 0;
}

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

.loading-spinner .spinner {
  width: 32px;
  height: 32px;
  border-width: 3px;
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-normal);
}

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

.modal {
  background: var(--secondary-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  max-width: 600px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  transform: scale(0.9) translateY(20px);
  transition: var(--transition-normal);
}

.modal-overlay.show .modal {
  transform: scale(1) translateY(0);
}

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

.modal-header h3 {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--success);
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: var(--font-size-lg);
  cursor: pointer;
  padding: var(--space-xs);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

.success-info h4 {
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.embed-section {
  margin-top: var(--space-lg);
}

.embed-section label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.code-container {
  position: relative;
  background: var(--primary-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.code-container pre {
  padding: var(--space-md);
  margin: 0;
  white-space: pre-wrap;
  word-wrap: break-word;
  font-family: 'Courier New', monospace;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  max-height: 200px;
  overflow-y: auto;
}

.copy-btn {
  position: absolute;
  top: var(--space-xs);
  right: var(--space-xs);
  background: var(--accent-primary);
  border: none;
  border-radius: var(--radius-sm);
  padding: var(--space-xs) var(--space-sm);
  color: white;
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.copy-btn:hover {
  background: var(--accent-secondary);
}

/* Test Chat Section */
.test-chat-section {
  margin: var(--space-lg) 0;
  text-align: center;
}

.test-chat-btn {
  background: var(--gradient-primary);
  border: none;
  border-radius: var(--radius-lg);
  padding: var(--space-md) var(--space-lg);
  color: white;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-normal);
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.test-chat-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

/* Chat Modal */
.chat-modal {
  max-width: 800px;
  width: 95%;
  max-height: 85vh;
}

.chat-container {
  display: flex;
  flex-direction: column;
  height: 500px;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-md);
  background: var(--primary-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  margin-bottom: var(--space-md);
  scroll-behavior: smooth;
}

.chat-message {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  animation: messageSlideIn 0.3s ease-out;
}

.chat-message.user {
  flex-direction: row-reverse;
}

.message-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: var(--font-size-sm);
}

.chat-message.bot .message-avatar {
  background: var(--gradient-primary);
  color: white;
}

.chat-message.user .message-avatar {
  background: var(--text-muted);
  color: white;
}

.message-content {
  max-width: 70%;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-lg);
  word-wrap: break-word;
  line-height: 1.5;
}

.chat-message.bot .message-content {
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  color: var(--text-primary);
}

.chat-message.user .message-content {
  background: var(--text-muted);
  color: white;
}

/* Enhanced message content styling for HTML rendering */
.message-content strong,
.message-content b {
  font-weight: 600;
  color: var(--text-primary);
}

.message-content a {
  color: var(--accent-primary);
  text-decoration: underline;
  transition: var(--transition-fast);
}

.message-content a:hover {
  color: var(--accent-secondary);
}

.message-content ul,
.message-content ol {
  margin: var(--space-xs) 0;
  padding-left: var(--space-md);
}

.message-content li {
  margin-bottom: var(--space-xs);
}

.message-content code {
  background: rgba(255, 255, 255, 0.1);
  padding: 2px 4px;
  border-radius: 3px;
  font-family: 'Courier New', monospace;
  font-size: 0.9em;
}

.chat-input-area {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

.chat-input {
  flex: 1;
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  font-size: var(--font-size-base);
  transition: var(--transition-fast);
}

.chat-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.chat-input::placeholder {
  color: var(--text-muted);
}

.send-btn {
  background: var(--gradient-primary);
  border: none;
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  color: white;
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  height: 48px;
}

.send-btn:hover:not(:disabled) {
  background: var(--accent-secondary);
}

.send-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Typing Indicator */
.typing-message .message-content {
  padding: var(--space-sm) var(--space-md);
}

.typing-indicator {
  display: flex;
  align-items: center;
  gap: 4px;
}

.typing-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-secondary);
  animation: typingBounce 1.4s infinite ease-in-out;
}

.typing-dot:nth-child(2) {
  animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes typingBounce {
  0%, 80%, 100% {
    transform: scale(0);
    opacity: 0.5;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

/* Chat Sources Styling */
.chat-sources {
  background: rgba(33, 150, 243, 0.1);
  border: 1px solid rgba(33, 150, 243, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  margin: var(--space-xs) 0 var(--space-md) 0;
  max-width: 85%;
  animation: messageSlideIn 0.3s ease-out;
}

.sources-title {
  font-weight: 600;
  color: #2196f3;
  margin-bottom: var(--space-xs);
  font-size: var(--font-size-sm);
}

.source-link {
  display: block;
  background: #2196f3;
  color: white;
  text-decoration: none;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  margin: var(--space-xs) 0;
  transition: background var(--transition-fast);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.source-link:hover {
  background: #1976d2;
  text-decoration: none;
}

/* Enhanced chatbot meta for stats */
.chatbot-stats {
  margin-top: var(--space-xs);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.chatbot-stats span {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

/* Toast Notifications */
.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-lg);
  color: white;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  z-index: 3000;
  transform: translateX(100%);
  transition: var(--transition-normal);
  max-width: 400px;
  box-shadow: var(--shadow-lg);
}

.toast.show {
  transform: translateX(0);
}

.error-toast {
  background: var(--error);
}

.success-toast {
  background: var(--success);
}

.toast-close {
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  padding: 0;
  margin-left: auto;
  opacity: 0.8;
  transition: var(--transition-fast);
}

.toast-close:hover {
  opacity: 1;
}

/* Chatbots Section */
.chatbots-section {
  padding: var(--space-2xl) 0;
  background: var(--secondary-bg);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-header h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-sm);
}

.section-header p {
  color: var(--text-secondary);
  font-size: var(--font-size-lg);
  margin: 0;
}

.chatbots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--space-lg);
  min-height: 200px;
}

.loading-state, .empty-state {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl);
  text-align: center;
  gap: var(--space-md);
}

.empty-icon {
  font-size: 4rem;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

.empty-state h3 {
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.empty-state p {
  color: var(--text-muted);
  margin: 0;
}

.chatbot-card {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  transition: var(--transition-normal);
  animation: fadeInUp 0.6s ease-out both;
}

.chatbot-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.chatbot-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.chatbot-icon {
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--font-size-lg);
  flex-shrink: 0;
}

.chatbot-info h3 {
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
  font-size: var(--font-size-lg);
}

.chatbot-url {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  word-break: break-all;
  margin: 0;
}

.chatbot-meta {
  margin-bottom: var(--space-lg);
}

.chatbot-date {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

.chatbot-actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.action-btn {
  flex: 1;
  min-width: 120px;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  transition: var(--transition-fast);
}

.test-chat-card-btn {
  background: var(--gradient-primary);
}

.copy-embed-btn {
  background: var(--success);
}

.delete-btn {
  background: var(--error);
}

/* Features Section */
.features {
  padding: var(--space-2xl) 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
}

.feature-card {
  text-align: center;
  padding: var(--space-xl);
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  transition: var(--transition-normal);
}

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

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-lg);
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  color: white;
}

.feature-card h3 {
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
  margin: 0;
}

/* Footer */
.footer {
  background: var(--secondary-bg);
  border-top: 1px solid var(--border-color);
  padding: var(--space-xl) 0;
  text-align: center;
}

.footer-content {
  max-width: 600px;
  margin: 0 auto;
}

.footer-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.footer-logo i {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer p {
  color: var(--text-secondary);
  margin: 0;
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    text-align: center;
  }
  
  .hero-title {
    font-size: var(--font-size-3xl);
  }
  
  .hero-description {
    font-size: var(--font-size-lg);
  }
  
  .chatbots-grid {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .modal {
    width: 95%;
    margin: var(--space-md);
  }
  
  .chat-modal {
    height: 90vh;
    max-height: none;
  }
  
  .chat-container {
    height: calc(90vh - 200px);
  }
  
  .toast {
    right: var(--space-md);
    left: var(--space-md);
    max-width: none;
  }
  
  .chatbot-actions {
    flex-direction: column;
  }
  
  .action-btn {
    min-width: auto;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-sm);
  }
  
  .hero-title {
    font-size: var(--font-size-2xl);
  }
  
  .creator-card {
    padding: var(--space-lg);
  }
  
  .modal {
    padding: var(--space-lg);
  }
  
  .message-content {
    max-width: 85%;
  }
}