/* ===== MAIN STYLES ===== */
body.light-theme {
  background-color: var(--background-light);
  color: var(--text-primary-light);
}

:root {
  /* Colors - Light Theme */
  --primary-color: #10B981;
  --primary-hover: #059669;
  --primary-light: #34D399;
  --primary-color-alpha: rgba(16, 185, 129, 0.1);
  --secondary-color: #3B82F6;
  --success-color: #059669;
  --warning-color: #D97706;
  --error-color: #DC2626;
  --background-light: #F3F4F6;
  --background-dark: #E5E7EB;
  --card-light: #F9FAFB;
  --card-dark: #F3F4F6;
  --text-primary-light: #111827;
  --text-primary-dark: #374151;
  --text-secondary-light: #6B7280;
  --text-secondary-dark: #9CA3AF;
  --border-color: #D1D5DB;
  --hover-bg: #F3F4F6;
  --input-bg: #FFFFFF;
  --secondary-bg: #F9FAFB;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  
  /* Spacing */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  
  /* Border Radius */
  --border-radius-sm: 0.375rem;
  --border-radius: 0.5rem;
  --border-radius-lg: 0.75rem;
  --border-radius-xl: 1rem;
  --border-radius-full: 9999px;
  
  /* 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);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  
  /* Transitions */
  --transition: all 0.2s ease-in-out;
}

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

/* Smooth scrolling - removed to prevent page scroll on chat messages */

/* Enhanced transitions */
* {
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

html {
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  background-color: var(--background-light);
  color: var(--text-primary-light);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}



.loading-content h2 {
  font-size: var(--text-2xl);
  font-weight: 600;
  margin-bottom: var(--spacing-2);
}

.loading-content p {
  font-size: var(--text-base);
  opacity: 0.9;
}

/* Authentication Screen */
.auth-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.auth-container {
  background: var(--card-light);
  padding: var(--spacing-8);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 400px;
  max-height: 80vh;
  margin: 0 auto;
  overflow-y: auto;
  overflow-x: hidden;
  transform: translateY(5%);
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.auth-container::-webkit-scrollbar {
  display: none;
}

/* Custom scrollbar for auth container */
.auth-container::-webkit-scrollbar {
  width: 6px;
}

.auth-container::-webkit-scrollbar-track {
  background: var(--secondary-bg);
  border-radius: 3px;
}

.auth-container::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}

.auth-container::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary-light);
}

.auth-header {
  text-align: center;
  margin-bottom: var(--spacing-8);
}

.auth-logo {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--spacing-4);
  border-radius: var(--border-radius);
}

.auth-header h1 {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary-light);
  margin-bottom: var(--spacing-2);
  letter-spacing: -0.5px;
}

.auth-header p {
  color: var(--text-secondary-light);
  font-size: 16px;
  line-height: 1.5;
}

.auth-tabs {
  display: flex;
  background: var(--secondary-bg);
  border-radius: var(--border-radius);
  padding: var(--spacing-1);
  margin-bottom: var(--spacing-6);
}

.auth-tab {
  flex: 1;
  padding: var(--spacing-2) var(--spacing-3);
  border: none;
  background: none;
  color: var(--text-secondary-light);
  font-weight: 500;
  cursor: pointer;
  border-radius: var(--border-radius-sm);
  transition: var(--transition);
  font-size: var(--text-sm);
}

.auth-tab.active {
  background: var(--card-light);
  color: var(--primary-color);
  box-shadow: var(--shadow-sm);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.auth-form.hidden {
  display: none;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.form-group label {
  font-weight: 500;
  color: var(--text-primary-light);
  font-size: var(--text-sm);
}

.form-group input,
.form-group select {
  padding: var(--spacing-2) var(--spacing-3);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: var(--text-base);
  transition: var(--transition);
  background: var(--input-bg);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px var(--primary-color-alpha);
}

.auth-button {
  background: var(--primary-color);
  color: white;
  border: none;
  padding: var(--spacing-2) var(--spacing-3);
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: var(--text-base);
  cursor: pointer;
  transition: var(--transition);
  margin-top: var(--spacing-4);
}

.auth-button:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

.auth-demo {
  text-align: center;
  margin-top: var(--spacing-4);
  padding-top: var(--spacing-4);
  border-top: 1px solid var(--border-color);
}

.demo-button {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-secondary-light);
  padding: var(--spacing-2) var(--spacing-4);
  border-radius: var(--border-radius);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: var(--transition);
}

.demo-button:hover {
  background: var(--hover-bg);
  color: var(--text-primary-light);
}

/* Main Application */
.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.header {
  background: var(--card-light);
  border-bottom: 1px solid var(--border-color);
  padding: var(--spacing-4) var(--spacing-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.header-logo {
  width: 32px;
  height: 32px;
  border-radius: var(--border-radius);
}

.header-left h1 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary-light);
  letter-spacing: -0.5px;
}

.nav {
  display: flex;
  gap: var(--spacing-2);
}

.nav-button {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-4);
  border: none;
  background: none;
  color: var(--text-secondary-light);
  font-weight: 500;
  cursor: pointer;
  border-radius: var(--border-radius);
  transition: var(--transition);
  font-size: var(--text-sm);
}

.nav-button:hover {
  background: var(--hover-bg);
  color: var(--text-primary-light);
}

.nav-button.active {
  background: var(--primary-color);
  color: white;
}

.nav-icon {
  font-size: var(--text-lg);
}

.header-right {
  position: relative;
}

.user-menu-button {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-3);
  border: none;
  background: none;
  color: var(--text-primary-light);
  cursor: pointer;
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.user-menu-button:hover {
  background: var(--hover-bg);
}

.user-avatar {
  width: 32px;
  height: 32px;
  background: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.user-name {
  font-weight: 500;
  font-size: var(--text-sm);
}

.user-menu {
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--card-light);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-2);
  min-width: 150px;
  z-index: 1000;
}

.user-menu button {
  width: 100%;
  padding: var(--spacing-2) var(--spacing-3);
  border: none;
  background: none;
  color: var(--text-primary-light);
  text-align: left;
  cursor: pointer;
  border-radius: var(--border-radius-sm);
  transition: var(--transition);
  font-size: var(--text-sm);
}

.user-menu button:hover {
  background: var(--hover-bg);
}

.main-content {
  flex: 1;
  padding: var(--spacing-6);
  background: var(--background-light);
}

.page {
  display: none;
}

.page.active {
  display: block;
}

.page-header {
  margin-bottom: var(--spacing-6);
}

.properties-actions {
  display: flex;
  gap: var(--spacing-3);
  align-items: center;
}

.page-header h2 {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary-light);
  margin-bottom: var(--spacing-2);
}

.page-header p {
  color: var(--text-secondary-light);
  font-size: var(--text-base);
}

.add-button {
  background: var(--primary-color);
  color: white;
  border: none;
  padding: var(--spacing-2) var(--spacing-3);
  border-radius: var(--border-radius);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-size: var(--text-sm);
}

.add-button:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

.export-button {
  background: var(--secondary-color);
  color: white;
  border: none;
  padding: var(--spacing-2) var(--spacing-3);
  border-radius: var(--border-radius);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-size: var(--text-sm);
}

.export-button:hover {
  background: var(--text-secondary-light);
  transform: translateY(-1px);
}

.hidden {
  display: none !important;
}

/* Responsive Design */
@media (max-width: 768px) {
  .header {
    padding: var(--spacing-3) var(--spacing-4);
    flex-direction: column;
    gap: var(--spacing-3);
  }
  
  .header-left {
    width: 100%;
    justify-content: center;
  }
  
  .nav {
    display: none;
    flex-direction: column;
    width: 100%;
    gap: var(--spacing-2);
    order: 3;
  }
  
  .nav-button {
    width: 100%;
    justify-content: center;
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--text-sm);
  }
  
  .main-content {
    padding: var(--spacing-4);
  }
  
  .page-header {
    flex-direction: column;
    gap: var(--spacing-3);
  }
  
  .dashboard-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-4);
  }
  
  .card {
    padding: var(--spacing-4);
  }
  
  .auth-container {
    margin: var(--spacing-4);
    padding: var(--spacing-6);
    max-width: calc(100vw - var(--spacing-8));
  }
}

@media (max-width: 480px) {
  .header {
    padding: var(--spacing-2) var(--spacing-3);
  }
  
  .header-left h1 {
    font-size: var(--text-lg);
  }
  
  .nav-button {
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--text-xs);
  }
  
  .auth-container {
    margin: var(--spacing-2);
    padding: var(--spacing-4);
    max-height: 95vh;
    max-width: calc(100vw - var(--spacing-4));
  }
  
  .auth-header h1 {
    font-size: 24px;
  }
  
  .auth-header p {
    font-size: 14px;
  }
  
  .main-content {
    padding: var(--spacing-3);
  }
  
  .card {
    padding: var(--spacing-3);
  }
}

@media (max-width: 360px) {
  .header {
    padding: var(--spacing-2);
  }
  
  .nav-button {
    padding: var(--spacing-2);
    font-size: var(--text-xs);
  }
  
  .auth-container {
    margin: var(--spacing-1);
    padding: var(--spacing-3);
    max-width: calc(100vw - var(--spacing-2));
  }
  
  .main-content {
    padding: var(--spacing-2);
  }
}

/* ===== DELETED PROPERTY STYLES ===== */
.deleted-property {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  color: var(--text-secondary-light);
  font-style: italic;
}

.deleted-badge {
  background-color: var(--error-color);
  color: white;
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--spacing-1) var(--spacing-2);
  border-radius: var(--border-radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-style: normal;
}

.deleted-property:hover .deleted-badge {
  background-color: #B91C1C;
}

/* ===== AI ASSISTANT SECTION STYLES ===== */
/* Enhanced AI Chat Section Styling */
.ai-assistant-section {
  background: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  overflow: hidden;
  margin-top: var(--spacing-6);
  width: 100%;
  grid-column: 1 / -1; /* Span full width in grid layout */
  position: relative;
}

.ai-assistant-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-hover));
}

.ai-assistant-section .section-header {
  background: white;
  color: var(--text-primary);
  padding: var(--spacing-5) var(--spacing-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
}

.ai-assistant-section .section-header h3 {
  margin: 0;
  font-size: var(--text-xl);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  color: var(--text-primary);
}

.ai-icon {
  font-size: var(--text-2xl);
  background: var(--primary-color);
  color: white;
  padding: var(--spacing-2);
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.header-text h3 {
  margin: 0 0 var(--spacing-1) 0;
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-primary);
}

.header-text p {
  margin: 0;
  color: var(--text-muted);
  font-size: var(--text-sm);
}

.ai-status {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  background: #10B981;
  color: white;
  padding: var(--spacing-2) var(--spacing-3);
  border-radius: var(--border-radius);
  font-weight: 500;
  box-shadow: var(--shadow-sm);
}

.status-dot {
  width: 8px;
  height: 8px;
  background: white;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.status-text {
  font-size: var(--text-sm);
  font-weight: 500;
  color: white;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Chat Sidebar Styles */
.chat-sidebar {
  width: 320px;
  flex-shrink: 0;
}

/* Service Providers Section */
.service-providers-section {
  margin-top: var(--spacing-8);
  background: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-8);
}

.service-providers-section .section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-6);
  padding-bottom: var(--spacing-4);
  border-bottom: 2px solid var(--border-color);
}

.service-providers-section .header-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
}

.service-providers-section .service-icon {
  font-size: 2.5rem;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.service-providers-section .header-text h3 {
  margin: 0 0 var(--spacing-2) 0;
  color: var(--text-primary);
  font-size: 1.5rem;
  font-weight: 600;
}

.service-providers-section .header-text p {
  margin: 0;
  color: var(--text-muted);
  font-size: 1rem;
}

.service-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-6);
  margin-top: var(--spacing-6);
}

.service-card {
  background: white;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-6);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-hover));
  transform: scaleX(0);
  transition: transform var(--transition);
}

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

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

.service-card .service-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-4);
  display: block;
}

.service-card h4 {
  margin: 0 0 var(--spacing-3) 0;
  color: var(--text-primary);
  font-size: 1.25rem;
  font-weight: 600;
}

.service-card p {
  margin: 0 0 var(--spacing-4) 0;
  color: var(--text-muted);
  line-height: 1.6;
  font-size: 0.95rem;
}

.service-rating {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-4);
}

.service-rating .stars {
  font-size: 1rem;
}

.service-rating .rating-text {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
}

.service-features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-5);
}

.feature-tag {
  background: var(--background-light);
  color: var(--text-primary);
  padding: var(--spacing-1) var(--spacing-3);
  border-radius: var(--border-radius);
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid var(--border-color);
}

.service-btn {
  width: 100%;
  background: var(--primary-color);
  color: white;
  border: none;
  padding: var(--spacing-3) var(--spacing-4);
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-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);
}

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

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

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

/* Responsive Design for Service Cards */
@media (max-width: 768px) {
  .service-cards-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-4);
  }
  
  .service-card {
    padding: var(--spacing-4);
  }
  
  .service-providers-section {
    padding: var(--spacing-6);
  }
  
  .service-providers-section .header-left {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-2);
  }
}


/* Enhanced Quick Actions */
.quick-actions {
  background: white;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  padding: var(--spacing-4);
  box-shadow: var(--shadow-sm);
  height: fit-content;
  position: sticky;
  top: var(--spacing-4);
}

.quick-actions h4 {
  margin: 0 0 var(--spacing-3) 0;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: var(--spacing-2);
  text-align: center;
}

.action-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
  width: 100%;
}

.action-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-4) var(--spacing-4);
  background: white;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition);
  text-align: left;
  font-size: var(--text-sm);
  color: var(--text-primary);
  position: relative;
  overflow: hidden;
  font-weight: 500;
  width: 100%;
  justify-content: flex-start;
}

.action-btn:hover {
  background: var(--primary-color-alpha);
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: var(--text-primary);
}

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

.action-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.1), transparent);
  transition: left 0.5s;
}

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

.action-icon {
  font-size: var(--text-lg);
  width: 24px;
  text-align: center;
  transition: transform var(--transition);
  color: var(--primary-color);
}

.action-btn:hover .action-icon {
  transform: scale(1.2);
}

/* Enhanced AI Chat Styles */







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








.message-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-2);
  padding: var(--spacing-2);
  background: white;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

.sender-name {
  font-weight: 600;
  color: var(--text-primary);
  font-size: var(--text-sm);
}

.message-time {
  font-size: var(--text-xs);
  color: var(--text-muted);
  opacity: 0.8;
}

.message-text {
  color: var(--text-primary);
  font-size: var(--text-sm);
  line-height: 1.6;
  padding: var(--spacing-2);
  background: white;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}





.typing-indicator {
  display: flex;
  gap: var(--spacing-1);
  align-items: center;
}

.typing-indicator span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary-color);
  animation: typing 1.4s infinite ease-in-out;
}

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

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

@keyframes typing {
  0%, 60%, 100% {
    transform: translateY(0);
    opacity: 0.4;
  }
  30% {
    transform: translateY(-10px);
    opacity: 1;
  }
}

/* Enhanced Input Area */

.input-wrapper {
  display: flex;
  gap: var(--spacing-3);
  align-items: flex-end;
  position: relative;
}











/* Chat Main Area */
.chat-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: white;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  min-width: 0; /* Allow flex item to shrink below content size */
  min-height: 500px;
}

/* Responsive AI Chat */
@media (max-width: 1200px) {
  .chat-sidebar {
    width: 280px;
  }
}

@media (max-width: 1024px) {
    flex-direction: column;
    gap: var(--spacing-4);
  }
  
  .chat-sidebar {
    width: 100%;
  }
  
  .action-buttons {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--spacing-3);
  }
  
  .action-btn {
    flex: 1;
    min-width: 200px;
    max-width: 300px;
  }
}

@media (max-width: 768px) {
  .ai-assistant-section .section-header {
    flex-direction: column;
    gap: var(--spacing-3);
    text-align: center;
  }
  
    padding: var(--spacing-4);
  }
  
    padding: var(--spacing-3);
  }
  
  .input-wrapper {
    flex-direction: column;
    align-items: stretch;
  }
  
    width: 100%;
  }
  
  .action-btn {
    min-width: 100%;
  }
} 

/* Mobile Navigation */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-primary-light);
  padding: var(--spacing-2);
}

@media (max-width: 768px) {
  .mobile-nav-toggle {
    display: block;
    order: 2;
  }
  
  .nav {
    display: none;
    flex-direction: column;
    width: 100%;
    gap: var(--spacing-2);
    order: 3;
  }
  
  .nav.mobile-open {
    display: flex;
  }
  
  .header-right {
    order: 1;
    align-self: flex-end;
  }
  
  .user-name {
    display: none;
  }
} 

/* Mobile Dashboard & Card Optimizations */
@media (max-width: 768px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-4);
  }
  
  .card {
    padding: var(--spacing-4);
    margin-bottom: var(--spacing-4);
  }
  
  .card-header {
    flex-direction: column;
    gap: var(--spacing-3);
    align-items: flex-start;
  }
  
  .card-title {
    font-size: var(--text-lg);
  }
  
  .table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .table {
    min-width: 600px;
    font-size: var(--text-sm);
  }
  
  .table th,
  .table td {
    padding: var(--spacing-2) var(--spacing-3);
  }
  
  .form-row {
    flex-direction: column;
    gap: var(--spacing-3);
  }
  
  .form-group {
    width: 100%;
  }
  
  .button-group {
    flex-direction: column;
    gap: var(--spacing-2);
  }
  
  .button-group .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .dashboard-grid {
    gap: var(--spacing-3);
  }
  
  .card {
    padding: var(--spacing-3);
    margin-bottom: var(--spacing-3);
  }
  
  .card-title {
    font-size: var(--text-base);
  }
  
  .table {
    min-width: 500px;
    font-size: var(--text-xs);
  }
  
  .table th,
  .table td {
    padding: var(--spacing-1) var(--spacing-2);
  }
  
  .btn {
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--text-sm);
  }
} 

/* Mobile Touch Improvements */
@media (max-width: 768px) {
  /* Ensure touch targets are at least 44px */
  .nav-button,
  .btn,
  .auth-button,
  .user-menu-button {
    min-height: 44px;
    min-width: 44px;
  }
  
  /* Improve touch scrolling */
  .main-content,
  .card,
  .table-container {
    -webkit-overflow-scrolling: touch;
  }
  
  /* Better spacing for mobile */
  .page-header {
    margin-bottom: var(--spacing-4);
  }
  
  .header-controls {
    flex-direction: column;
    gap: var(--spacing-3);
  }
  
  .control-group {
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-2);
  }
  
  .select-control,
  .date-input {
    width: 100%;
    min-height: 44px;
  }
  
  /* Mobile-friendly tables */
  .table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  /* Mobile form improvements */
  .form-group input,
  .form-group select,
  .form-group textarea {
    min-height: 44px;
    font-size: 16px; /* Prevents zoom on iOS */
  }
  
  /* Mobile button improvements */
  .button-group {
    flex-direction: column;
    gap: var(--spacing-2);
  }
  
  .button-group .btn {
    width: 100%;
    justify-content: center;
    min-height: 44px;
  }
}

/* ===== MODERN THEME STYLES ===== */
/* Modern color palette inspired by Linear.app */
:root {
  /* Modern dark theme colors */
  --modern-bg: #0A0A0A;
  --modern-bg-secondary: #111111;
  --modern-bg-tertiary: #1A1A1A;
  --modern-text: #FFFFFF;
  --modern-text-secondary: #A1A1AA;
  --modern-text-muted: #71717A;
  --modern-border: #262626;
  --modern-border-light: #404040;
  /* HostTrack brand-aligned accents (teal/cyan) */
  --modern-accent: #14B8A6; /* teal-500 */
  --modern-accent-hover: #0D9488; /* teal-600 */
  --modern-blue: #06B6D4; /* cyan-500 */
  --modern-purple: #14B8A6; /* use teal for secondary to avoid purple */
  --modern-gradient-start: #14B8A6; /* teal */
  --modern-gradient-end: #06B6D4;   /* cyan */
  --modern-glass: rgba(17, 17, 17, 0.6);
  --modern-glass-border: rgba(255, 255, 255, 0.1);
}

/* Modern theme body */
body.modern-theme {
  background: var(--modern-bg);
  color: var(--modern-text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  scroll-behavior: auto;
}

/* Modern header */
.modern-header {
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--modern-border);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 80px;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--modern-gradient-start), var(--modern-gradient-end));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.logo-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--modern-text);
  margin: 0;
  background: linear-gradient(135deg, var(--modern-gradient-start), var(--modern-gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-subtitle {
  font-size: 0.875rem;
  color: var(--modern-text-secondary);
  margin: 0;
  font-weight: 500;
}

.header-nav {
  display: flex;
  gap: 2rem;
}

.nav-link {
  color: var(--modern-text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(135deg, var(--modern-gradient-start), var(--modern-gradient-end));
  transition: width 0.3s ease;
}

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

.header-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
}

/* Modern hero section */
.modern-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 8rem 2rem 4rem;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0A0A0A 0%, #1A1A1A 50%, #0F0F23 100%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.5;
}

.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--modern-gradient-start), var(--modern-gradient-end));
  opacity: 0.1;
  animation: float 6s ease-in-out infinite;
}

.particle-1 {
  width: 200px;
  height: 200px;
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.particle-2 {
  width: 150px;
  height: 150px;
  top: 60%;
  right: 15%;
  animation-delay: 2s;
}

.particle-3 {
  width: 100px;
  height: 100px;
  top: 40%;
  left: 50%;
  animation-delay: 4s;
}

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

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--modern-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--modern-glass-border);
  border-radius: 50px;
  padding: 0.5rem 1rem;
  margin-bottom: 2rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--modern-text-secondary);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.badge-icon {
  font-size: 1rem;
}

.hero-title {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--modern-text) 0%, var(--modern-text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fadeInUp 0.8s ease-out;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--modern-text-secondary);
  margin-bottom: 1rem;
  line-height: 1.6;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--modern-text-muted);
  margin-bottom: 3rem;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

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

/* Modern chat container */
.modern-chat-container {
  background: var(--modern-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--modern-glass-border);
  border-radius: 20px;
  padding: 0;
  margin: 3rem auto;
  max-width: 800px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  overflow: hidden;
  animation: fadeInUp 0.8s ease-out 0.6s both;
  position: relative;
  transform: translateZ(0);
}

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--modern-border);
  background: var(--modern-bg-secondary);
  position: sticky;
  top: 0;
  z-index: 2;
}

.chat-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--modern-text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--modern-accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.chat-actions {
  display: flex;
  gap: 0.5rem;
}

.chat-action-btn {
  width: 24px;
  height: 24px;
  border: none;
  background: var(--modern-bg-tertiary);
  color: var(--modern-text-secondary);
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.chat-action-btn:hover {
  background: var(--modern-border);
  color: var(--modern-text);
}

.chat-messages {
  max-height: 400px;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 1.5rem;
  background: var(--modern-bg);
  scroll-behavior: smooth;
  will-change: transform;
}

.message {
  display: flex;
  margin-bottom: 1.5rem;
  align-items: flex-start;
  gap: 0.75rem;
  animation: fadeInUp 0.3s ease-out;
}

.nathi-message {
  justify-content: flex-start;
}

.user-message {
  justify-content: flex-end;
}

.message-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nathi-avatar {
  background: linear-gradient(135deg, var(--modern-gradient-start), var(--modern-gradient-end));
}

.user-avatar {
  background: linear-gradient(135deg, var(--modern-blue), var(--modern-purple));
}

.avatar-icon {
  font-size: 1.125rem;
}

.message-content {
  background: var(--modern-bg-secondary);
  border: 1px solid var(--modern-border);
  border-radius: 16px;
  padding: 1rem 1.25rem;
  max-width: 70%;
  position: relative;
}

.user-message .message-content {
  background: linear-gradient(135deg, var(--modern-blue), var(--modern-purple));
  border: none;
  color: white;
}

.message-content p {
  margin: 0 0 0.5rem 0;
  line-height: 1.6;
  color: var(--modern-text);
}

.user-message .message-content p {
  color: white;
}

.message-time {
  font-size: 0.75rem;
  color: var(--modern-text-muted);
  margin-top: 0.5rem;
}

.user-message .message-time {
  color: rgba(255, 255, 255, 0.7);
}

.chat-input-container {
  padding: 1.5rem;
  background: var(--modern-bg-secondary);
  border-top: 1px solid var(--modern-border);
}

.input-wrapper {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.chat-input {
  flex: 1;
  padding: 0.875rem 1rem;
  background: var(--modern-bg);
  border: 1px solid var(--modern-border);
  border-radius: 12px;
  color: var(--modern-text);
  font-size: 0.875rem;
  outline: none;
  transition: all 0.2s ease;
  box-shadow: inset 0 0 0 0 rgba(20, 184, 166, 0.3);
}

.chat-input:focus {
  border-color: var(--modern-accent);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
  transform: translateY(-1px);
}

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

.chat-send-btn {
  padding: 0.875rem;
  background: linear-gradient(135deg, var(--modern-gradient-start), var(--modern-gradient-end));
  border: none;
  border-radius: 12px;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
  transform: translateZ(0);
}

.chat-send-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.chat-send-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.typing-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--modern-text-secondary);
  font-style: italic;
  font-size: 0.875rem;
}

.typing-dots {
  display: flex;
  gap: 0.25rem;
}

.typing-dots span {
  width: 4px;
  height: 4px;
  background: var(--modern-text-secondary);
  border-radius: 50%;
  animation: typing 1.4s infinite ease-in-out;
  will-change: transform, opacity;
}

.typing-dots span:nth-child(1) { animation-delay: -0.32s; }
.typing-dots span:nth-child(2) { animation-delay: -0.16s; }

@keyframes typing {
  0%, 80%, 100% { transform: scale(0.8); opacity: 0.5; }
  40% { transform: scale(1); opacity: 1; }
}

/* Modern buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.875rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--modern-gradient-start), var(--modern-gradient-end));
  color: white;
  border: none;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
}

.btn-secondary {
  background: var(--modern-bg-secondary);
  color: var(--modern-text);
  border: 1px solid var(--modern-border);
}

.btn-secondary:hover {
  background: var(--modern-bg-tertiary);
  border-color: var(--modern-border-light);
}

.btn-outline {
  background: transparent;
  color: var(--modern-text);
  border: 1px solid var(--modern-border-light);
}

.btn-outline:hover {
  background: var(--modern-bg-secondary);
  border-color: var(--modern-accent);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 3rem;
  animation: fadeInUp 0.8s ease-out 0.8s both;
}

/* Modern sections */
.features-section,
.ai-showcase-section,
.pricing-section,
.results-section,
.benefits-section,
.cta-section {
  padding: 5rem 0;
}

/* Reveal Animations */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }

/* Section dividers */
.section-divider { height: 1px; background: linear-gradient(90deg, transparent, var(--modern-border-light), transparent); margin: 3rem auto; max-width: 900px; }

/* CTA micro-interactions */
.btn-primary { position: relative; overflow: hidden; }
.btn-primary::after { content: ''; position: absolute; inset: 0; background: radial-gradient(600px 200px at var(--x,50%) var(--y,50%), rgba(255,255,255,0.08), transparent 40%); opacity: 0; transition: opacity .2s; }
.btn-primary:hover::after { opacity: 1; }

.features-section {
  background: var(--modern-bg-secondary);
}

.ai-showcase-section {
  background: var(--modern-bg);
}

.pricing-section {
  background: linear-gradient(135deg, var(--modern-bg-secondary) 0%, var(--modern-bg-tertiary) 100%);
}

.results-section {
  background: var(--modern-bg);
}

.benefits-section {
  background: var(--modern-bg-secondary);
}

.cta-section {
  background: linear-gradient(135deg, var(--modern-bg) 0%, var(--modern-bg-secondary) 100%);
  color: var(--modern-text);
}

/* Modern cards */
.feature-card,
.ai-showcase-item,
.result-card,
.benefit-item {
  background: var(--modern-bg-secondary);
  border: 1px solid var(--modern-border);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.feature-card:hover,
.ai-showcase-item:hover,
.result-card:hover,
.benefit-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  border-color: var(--modern-border-light);
}

.ai-feature {
  border: 1px solid transparent;
  background: linear-gradient(var(--modern-bg-secondary), var(--modern-bg-secondary)) padding-box,
              linear-gradient(135deg, var(--modern-gradient-start), var(--modern-gradient-end)) border-box;
}

.ai-feature::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(135deg, var(--modern-gradient-start), var(--modern-gradient-end));
}

.feature-highlight {
  background: linear-gradient(135deg, var(--modern-gradient-start), var(--modern-gradient-end));
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-top: 1rem;
  display: inline-block;
}

/* Modern responsive design */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.25rem;
  }
  
  .hero-description {
    font-size: 1rem;
  }
  
  .modern-chat-container {
    margin: 2rem 1rem;
  }
  
  .message-content {
    max-width: 85%;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .header-nav {
    display: none;
  }
  
  .logo-container {
    gap: 0.5rem;
  }
  
  .logo-title {
    font-size: 1.25rem;
  }
  
  .logo-subtitle {
    font-size: 0.75rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .modern-chat-container {
    margin: 1rem 0.5rem;
  }
  
  .chat-messages {
    padding: 1rem;
  }
  
  .chat-input-container {
    padding: 1rem;
  }
}