/* EtnaMonitor Design System - Apple-like Theme */


/* CSS Custom Properties - Design Tokens */
:root {
  /* Colors - EtnaMonitor Tech Theme */
  --color-bg-primary: #070B1A;
  --color-bg-secondary: #0C1427;
  --color-bg-tertiary: #101c33;
  --color-surface: #0F1A30;
  --color-surface-hover: #172640;
  --color-surface-active: #1f3052;

  --color-text-primary: #F4F8FF;
  --color-text-secondary: #C0CAE6;
  --color-text-tertiary: #8F9BB9;
  --color-text-inverse: #04060d;

  --color-accent-primary: #00D2FF;
  --color-accent-secondary: #6366F1;
  --color-primary: #00D2FF;
  --color-primary-soft: rgba(0, 210, 255, 0.12);
  --color-success: #22C55E;
  --color-warning: #FACC15;
  --color-error: #F87171;
  --color-info: #38BDF8;

  --color-border: #1F2A44;
  --color-border-light: #2A3656;
  --color-divider: #111827;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #00D2FF 0%, #6366F1 100%);
  --gradient-surface: linear-gradient(135deg, rgba(15, 26, 48, 0.9) 0%, rgba(31, 48, 82, 0.95) 100%);
  --gradient-glass: linear-gradient(135deg, rgba(244, 248, 255, 0.12) 0%, rgba(244, 248, 255, 0.04) 100%);
  
  /* Typography */
  --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-family-headings: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-family-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
  
  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.875rem;   /* 14px */
  --font-size-base: 1rem;     /* 16px */
  --font-size-lg: 1.125rem;   /* 18px */
  --font-size-xl: 1.25rem;    /* 20px */
  --font-size-2xl: 1.5rem;    /* 24px */
  --font-size-3xl: 1.875rem;  /* 30px */
  --font-size-4xl: 2.25rem;   /* 36px */
  
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
  
  /* Spacing */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  
  /* Border Radius */
  --radius-sm: 0.375rem;   /* 6px */
  --radius-md: 0.5rem;     /* 8px */
  --radius-lg: 0.75rem;    /* 12px */
  --radius-xl: 1rem;       /* 16px */
  --radius-2xl: 1.5rem;    /* 24px */
  --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), 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-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(255, 255, 255, 0.05);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Premium EtnaMonitor-inspired enhancements */
  --gradient-premium: linear-gradient(135deg, #00D2FF 0%, #6366F1 100%);
  --gradient-hero: radial-gradient(circle at top left, rgba(0, 210, 255, 0.35), rgba(99, 102, 241, 0.25) 40%, rgba(10, 15, 33, 0.95) 100%);
  --gradient-card-premium: linear-gradient(135deg, rgba(0, 210, 255, 0.18) 0%, rgba(99, 102, 241, 0.08) 100%);
  
  /* Premium shadows */
  --shadow-premium: 0 20px 45px rgba(0, 210, 255, 0.15), 0 18px 36px rgba(0, 0, 0, 0.35);
  --shadow-card-premium: 0 18px 40px rgba(12, 20, 39, 0.55), 0 8px 24px rgba(0, 0, 0, 0.45);
  --shadow-button-premium: 0 12px 30px rgba(0, 210, 255, 0.35);
  
  /* Premium blur effects */
  --blur-glass: blur(20px);
  --blur-backdrop: blur(40px);
  
  /* Premium spacing */
  --space-premium: 6rem;   /* 96px */
  --space-hero: 8rem;      /* 128px */
  
  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  --z-toast: 1080;
}

/* Heading Typography */
h1, h2, h3, h4, h5, h6,
.hero-title,
.brand-text,
.card h2,
.card h3,
.dashboard-header h1,
.pricing-header h1,
.footer-section h4 {
  font-family: var(--font-family-headings);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

/* Body text uses Inter */
body, p, span, div, a, button, input, select, textarea,
.nav-link, .btn, .form-group label {
  font-family: var(--font-family-primary);
}

/* Brand Logo Styling */
.brand-logo {
  height: 32px;
  width: auto;
  margin-right: var(--space-2);
  vertical-align: middle;
}

.footer-logo {
  height: 24px;
  width: auto;
  margin-right: var(--space-2);
  vertical-align: middle;
}

/* Fixed Navbar with Logo Positioning */
.navbar {
  position: fixed !important;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background: rgba(7, 12, 28, 0.9);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 12px 30px rgba(4, 10, 24, 0.65);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-3) var(--space-4);
}

.navbar-brand {
  order: 2;
  margin-left: auto;
}

.navbar-menu {
  order: 1;
}

/* Adjust main content for fixed navbar */
.main-content {
  margin-top: 70px;
}

@media (max-width: 768px) {
  .brand-logo {
    height: 28px;
  }
  
  .main-content {
    margin-top: 65px;
  }
}

/* Light Theme Override */
[data-theme="light"] {
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f8f9fa;
  --color-bg-tertiary: #e9ecef;
  --color-surface: #ffffff;
  --color-surface-hover: #f8f9fa;
  --color-surface-active: #e9ecef;
  
  --color-text-primary: #000000;
  --color-text-secondary: #6b7280;
  --color-text-tertiary: #9ca3af;
  --color-text-inverse: #ffffff;
  
  --color-border: #e5e7eb;
  --color-border-light: #d1d5db;
  --color-divider: #f3f4f6;
  
  --gradient-surface: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  --gradient-glass: linear-gradient(135deg, rgba(0,0,0,0.02) 0%, rgba(0,0,0,0.01) 100%);
  
  --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.04), 0 0 0 1px rgba(0, 0, 0, 0.02);
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-fast: 0ms;
    --transition-normal: 0ms;
    --transition-slow: 0ms;
  }
  
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus Styles */
:focus-visible {
  outline: 2px solid var(--color-accent-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Selection */
::selection {
  background-color: var(--color-accent-primary);
  color: var(--color-text-inverse);
}

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

::-webkit-scrollbar-track {
  background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-border-light);
}

/* Premium Button Styles */
.btn-premium {
  background: var(--gradient-primary);
  border: none;
  border-radius: var(--radius-xl);
  padding: var(--space-4) var(--space-6);
  font-weight: var(--font-weight-semibold);
  box-shadow: var(--shadow-button-premium);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  color: white;
}

.btn-premium::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-slow);
}

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

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

.btn-google {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.32);
  background: linear-gradient(135deg, rgba(0, 210, 255, 0.95), rgba(99, 102, 241, 0.92));
  color: var(--color-text-primary);
  font-weight: var(--font-weight-semibold);
  text-shadow: 0 2px 8px rgba(4, 6, 13, 0.45);
  box-shadow: var(--shadow-button-premium);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  text-decoration: none;
  cursor: pointer;
}

.btn-google i {
  font-size: 1rem;
}

.btn-google .btn-icon {
  width: 1.25rem;
  height: 1.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-google span,
.btn-google .btn-text {
  display: inline-flex;
  align-items: center;
}

.btn-google:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-premium);
  background: linear-gradient(135deg, rgba(0, 210, 255, 1), rgba(99, 102, 241, 0.98));
}

.btn-google-dark {
  background: linear-gradient(135deg, #0f172a, #111827);
  border-color: rgba(100, 149, 237, 0.35);
  box-shadow: 0 16px 32px rgba(15, 23, 42, 0.45);
}

.btn-google-dark:hover {
  background: linear-gradient(135deg, #1e2a44, #15213b);
}

.google-login-form {
  display: flex;
  justify-content: center;
  margin-top: var(--space-5);
}

.google-login-form .btn-google {
  width: 100%;
  max-width: 320px;
}

.login-google-card {
  max-width: 540px;
  margin: var(--space-12) auto;
  text-align: center;
  padding: var(--space-8) var(--space-7);
  display: grid;
  gap: var(--space-6);
}

.login-card-header h1 {
  margin-bottom: var(--space-3);
}

.login-card-header p {
  margin: 0 auto;
  max-width: 420px;
  color: var(--color-text-secondary);
}

.login-benefits {
  color: var(--color-text-secondary);
  display: grid;
  gap: var(--space-3);
}

.login-hint {
  font-size: 0.9rem;
  opacity: 0.85;
}

.login-flash-group {
  display: grid;
  gap: var(--space-3);
}

/* Premium Card Styles */
.card-premium {
  background: var(--gradient-card-premium);
  backdrop-filter: var(--blur-glass);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-card-premium);
  transition: all var(--transition-normal);
}

.card-premium:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-premium);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Premium Hero Section */
.hero-premium {
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.hero-section-nav {
  margin-top: var(--space-6);
  display: inline-flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding: var(--space-2);
  border-radius: var(--radius-2xl);
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: var(--blur-glass);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-section-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-weight: var(--font-weight-medium);
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  border-radius: var(--radius-xl);
  transition: color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
}

.hero-section-link:hover,
.hero-section-link:focus-visible {
  color: white;
  background: rgba(79, 70, 229, 0.35);
  transform: translateY(-1px);
}

.hero-section-link:focus-visible {
  outline: 2px solid rgba(129, 140, 248, 0.75);
  outline-offset: 2px;
}

.hero-section-dot {
  width: 10px;
  height: 10px;
  border-radius: 9999px;
  background: linear-gradient(135deg, #60a5fa, #a855f7);
  box-shadow: 0 0 0 4px rgba(96, 165, 250, 0.15);
}

.hero-premium::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 20%, rgba(255,255,255,0.1) 0%, transparent 50%);
}

/* Glass Effect */
.glass {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: var(--blur-glass);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Premium Animations */
@keyframes premiumFadeIn {
  from { 
    opacity: 0; 
    transform: translateY(30px) scale(0.95); 
  }
  to { 
    opacity: 1; 
    transform: translateY(0) scale(1); 
  }
}

@keyframes premiumSlideIn {
  from { 
    opacity: 0; 
    transform: translateX(-30px); 
  }
  to { 
    opacity: 1; 
    transform: translateX(0); 
  }
}

.animate-premium-fade {
  animation: premiumFadeIn var(--transition-slow) ease-out;
}

.animate-premium-slide {
  animation: premiumSlideIn var(--transition-slow) ease-out;
}

/* Premium Mobile Enhancements */
@media (max-width: 768px) {
  .hero-premium {
    padding: var(--space-8) var(--space-4);
  }

  .hero-section-nav {
    width: 100%;
    justify-content: center;
    gap: var(--space-2);
  }

  .hero-section-link {
    flex: 1 1 calc(50% - var(--space-2));
    justify-content: center;
  }

  .card-premium {
    margin: var(--space-4);
    border-radius: var(--radius-xl);
  }
  
  .btn-premium {
    padding: var(--space-3) var(--space-5);
    font-size: var(--font-size-sm);
  }
}

/* Premium Button Styles */
.btn-premium {
  background: var(--gradient-premium);
  border: none;
  border-radius: var(--radius-xl);
  padding: var(--space-4) var(--space-6);
  font-weight: var(--font-weight-semibold);
  box-shadow: var(--shadow-button-premium);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  color: white;
}

.btn-premium::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-slow);
}

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

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

/* Premium Card Styles */
.card-premium {
  background: var(--gradient-card-premium);
  backdrop-filter: var(--blur-glass);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-card-premium);
  transition: all var(--transition-normal);
}

.card-premium:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-premium);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Premium Hero Section */
.hero-premium {
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.hero-premium::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 20%, rgba(255,255,255,0.1) 0%, transparent 50%);
}

/* Premium Animations */
@keyframes premiumFadeIn {
  from { 
    opacity: 0; 
    transform: translateY(30px) scale(0.95); 
  }
  to { 
    opacity: 1; 
    transform: translateY(0) scale(1); 
  }
}

@keyframes premiumSlideIn {
  from { 
    opacity: 0; 
    transform: translateX(-30px); 
  }
  to { 
    opacity: 1; 
    transform: translateX(0); 
  }
}

.animate-premium-fade {
  animation: premiumFadeIn var(--transition-slow) ease-out;
}

.animate-premium-slide {
  animation: premiumSlideIn var(--transition-slow) ease-out;
}

/* Premium Mobile Enhancements */
@media (max-width: 768px) {
  .hero-premium {
    padding: var(--space-8) var(--space-4);
  }
  
  .card-premium {
    margin: var(--space-4);
    border-radius: var(--radius-xl);
  }
  
  .btn-premium {
    padding: var(--space-3) var(--space-5);
    font-size: var(--font-size-sm);
  }
}

/* Chart Container Fixes */
.preview-chart.card-premium {
  background: var(--color-bg-secondary) !important;
  padding: var(--space-4);
}

.preview-chart .js-plotly-plot,
.preview-chart .plotly,
.preview-chart .plot-container {
  background: var(--color-bg-secondary) !important;
  border-radius: var(--radius-lg);
}

#section-tecnologia,
#section-progetto,
#section-team {
  scroll-margin-top: calc(var(--space-hero) / 2);
}

/* Chart loading overlay styling */
.chart-loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg-secondary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  border-radius: var(--radius-lg);
  z-index: 10;
}

.chart-loading-overlay.hidden {
  display: none;
}

.chart-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-8);
  color: var(--color-text-secondary);
  text-align: center;
}

.chart-placeholder svg {
  opacity: 0.6;
}

/* Enhanced Footer Styles */
.footer {
  background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 100%);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-16);
  padding: var(--space-12) 0 var(--space-8) 0;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-8);
}

.footer-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-section h4 {
  color: var(--color-text-primary);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin: 0;
  border-bottom: 2px solid var(--color-accent-primary);
  padding-bottom: var(--space-2);
}

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

.footer-section a {
  color: var(--color-accent-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-section a:hover {
  color: var(--color-accent-secondary);
  text-decoration: underline;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-links a {
  padding: var(--space-2) 0;
  border-bottom: 1px solid transparent;
  transition: all var(--transition-fast);
}

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

.service-status {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.status-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-text-tertiary);
  transition: background var(--transition-fast);
}

.status-dot.online {
  background: var(--color-success);
  box-shadow: 0 0 8px rgba(52, 199, 89, 0.4);
}

.status-dot.offline {
  background: var(--color-error);
  box-shadow: 0 0 8px rgba(255, 59, 48, 0.4);
}

.status-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
}

.build-info {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  font-family: var(--font-family-mono);
}

.tremor-scale {
  background: var(--color-surface);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-warning);
}

.tremor-scale small {
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.social-links {
  display: flex;
  gap: var(--space-4);
}

.social-links a {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.social-links a:hover {
  background: var(--color-surface-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.footer-bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.footer-bottom-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-bottom p {
  margin: 0;
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
}

/* Footer Responsive Design */
@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-6);
    padding: 0 var(--space-4);
  }
  
  .footer-bottom-content {
    flex-direction: column;
    text-align: center;
    padding: 0 var(--space-4);
  }
  
  .social-links {
    justify-content: center;
  }
}

/* Enhanced Footer Styles */
.footer {
  background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 100%);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-16);
  padding: var(--space-12) 0 var(--space-8) 0;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-8);
}

.footer-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-section h4 {
  color: var(--color-text-primary);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin: 0;
  border-bottom: 2px solid var(--color-accent-primary);
  padding-bottom: var(--space-2);
}

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

.footer-section a {
  color: var(--color-accent-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-section a:hover {
  color: var(--color-accent-secondary);
  text-decoration: underline;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-links a {
  padding: var(--space-2) 0;
  border-bottom: 1px solid transparent;
  transition: all var(--transition-fast);
}

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

.service-status {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.status-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-text-tertiary);
  transition: background var(--transition-fast);
}

.status-dot.online {
  background: var(--color-success);
  box-shadow: 0 0 8px rgba(52, 199, 89, 0.4);
}

.status-dot.offline {
  background: var(--color-error);
  box-shadow: 0 0 8px rgba(255, 59, 48, 0.4);
}

.status-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
}

.build-info {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  font-family: var(--font-family-mono);
}

.tremor-scale {
  background: var(--color-surface);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-warning);
}

.tremor-scale small {
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.social-links {
  display: flex;
  gap: var(--space-4);
}

.social-links a {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.social-links a:hover {
  background: var(--color-surface-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.footer-bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.footer-bottom-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-bottom p {
  margin: 0;
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
}

/* Footer Responsive Design */
@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-6);
    padding: 0 var(--space-4);
  }
  
  .footer-bottom-content {
    flex-direction: column;
    text-align: center;
    padding: 0 var(--space-4);
  }
  
  .social-links {
    justify-content: center;
  }
}

/* Telegram Connection Styles */
.telegram-section {
  margin-top: var(--space-4);
  padding: var(--space-4);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.telegram-section h4 {
  margin: 0 0 var(--space-3) 0;
  color: var(--color-text-primary);
  font-size: var(--font-size-md);
}

.telegram-connected {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--color-success-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-success);
}

.status-indicator.connected {
  color: var(--color-success);
  font-weight: var(--font-weight-semibold);
}

.telegram-setup ol {
  margin: var(--space-3) 0;
  padding-left: var(--space-5);
}

.telegram-setup li {
  margin-bottom: var(--space-2);
  line-height: var(--line-height-relaxed);
}

.telegram-setup code {
  background: var(--color-surface);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
}

.upgrade-section {
  text-align: center;
  padding: var(--space-8);
}

.upgrade-card {
  max-width: 400px;
  margin: 0 auto;
  padding: var(--space-6);
}

.founder-credit {
  margin-top: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.tremor-explanation {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-secondary);
}

/* Utility Classes */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Glass Effect */
.glass {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: var(--blur-glass);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.glass-alt {
  background: var(--gradient-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.animate-fade-in {
  animation: fadeIn var(--transition-normal) ease-out;
}

.animate-slide-up {
  animation: slideUp var(--transition-normal) ease-out;
}

.animate-scale-in {
  animation: scaleIn var(--transition-normal) ease-out;
}

.consent-banner {
  position: fixed;
  bottom: var(--space-4);
  left: var(--space-4);
  right: var(--space-4);
  max-width: 420px;
  margin: 0 auto;
  padding: var(--space-4);
  background: rgba(7, 11, 26, 0.92);
  backdrop-filter: blur(18px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-toast);
  color: var(--color-text-primary);
}

.consent-banner__content {
  display: grid;
  gap: var(--space-3);
}

.consent-banner__content p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

.consent-banner__actions {
  display: flex;
  gap: var(--space-2);
  justify-content: flex-end;
}

.consent-banner__actions .btn {
  min-width: 120px;
}

@media (max-width: 600px) {
  .consent-banner {
    left: var(--space-2);
    right: var(--space-2);
    max-width: none;
    padding: var(--space-3);
  }

  .consent-banner__actions {
    flex-direction: column;
    align-items: stretch;
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

@keyframes scaleIn {
  from { 
    opacity: 0; 
    transform: scale(0.95); 
  }
  to { 
    opacity: 1; 
    transform: scale(1); 
  }
}


/* Component Base Classes */
.btn-base {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border: none;
  border-radius: var(--radius-lg);
  font-family: var(--font-family-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-tight);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
  white-space: nowrap;
}

.btn-base:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.card-base {
  background: var(--gradient-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-glass);
  transition: all var(--transition-normal);
}

.input-base {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-text-primary);
  font-family: var(--font-family-primary);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.input-base:focus {
  outline: none;
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.badge-base {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-tight);
}

/* Mobile-First Responsive Design */

/* Navbar Mobile Enhancements */
.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  max-width: 1200px;
  margin: 0 auto;
}

.navbar-toggle {
  display: none !important;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  color: var(--color-text-secondary);
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
}

.hamburger-line {
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  margin: 2px 0;
  transition: var(--transition-fast);
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav-link {
  position: relative;
  color: rgba(244, 248, 255, 0.88);
  text-decoration: none;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.02em;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: var(--space-3);
  right: var(--space-3);
  bottom: calc(-1 * var(--space-2));
  height: 3px;
  border-radius: var(--radius-full);
  background: var(--color-accent-primary);
  opacity: 0;
  transform: translateY(4px);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link.active {
  color: var(--color-text-primary);
  background: rgba(255, 255, 255, 0.12);
}

.nav-link:hover::after,
.nav-link:focus-visible::after,
.nav-link.active::after {
  opacity: 1;
  transform: translateY(0);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.user-menu {
  position: relative;
}

.user-menu-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-4);
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: var(--shadow-sm);
}

.user-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.user-avatar-initial {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-inverse);
  font-size: 0.9rem;
}

.user-name {
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-menu-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 200px;
  z-index: var(--z-dropdown);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
}

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

.dropdown-item {
  display: block;
  padding: var(--space-3) var(--space-4);
  color: var(--color-text-primary);
  text-decoration: none;
  transition: background var(--transition-fast);
}

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

.dropdown-divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-2) 0;
}

.auth-buttons {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: 0;
}

/* Premium Page Specific Styles */
.admin-container,
.settings-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-8) var(--space-6);
}

.admin-header,
.settings-header {
  text-align: center;
  padding: var(--space-8);
  margin-bottom: var(--space-8);
}

.admin-content,
.settings-content {
  padding: var(--space-8);
}

.table-container {
  overflow-x: auto;
  border-radius: var(--radius-xl);
}

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

.table-premium th,
.table-premium td {
  padding: var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.table-premium th {
  background: var(--gradient-surface);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.action-buttons {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.badge.admin {
  background: rgba(147, 51, 234, 0.2);
  color: #9333ea;
}

.settings-form {
  max-width: 500px;
  margin: 0 auto;
}

.upgrade-prompt {
  text-align: center;
  padding: var(--space-8);
}

.navigation-actions {
  margin-top: var(--space-8);
  text-align: center;
}

/* Navbar Mobile Enhancements */
.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  max-width: 1200px;
  margin: 0 auto;
}

.navbar-toggle {
  display: none !important;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  color: var(--color-text-secondary);
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
}

.hamburger-line {
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  margin: 2px 0;
  transition: var(--transition-fast);
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

  .nav-link {
    position: relative;
    color: rgba(244, 248, 255, 0.88);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.02em;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
  }

  .nav-link::after {
    content: "";
    position: absolute;
    left: var(--space-3);
    right: var(--space-3);
    bottom: calc(-1 * var(--space-2));
    height: 3px;
    border-radius: var(--radius-full);
    background: var(--color-accent-primary);
    opacity: 0;
    transform: translateY(4px);
    transition: transform var(--transition-fast), opacity var(--transition-fast);
  }

  .nav-link:hover,
  .nav-link:focus-visible,
  .nav-link.active {
    color: var(--color-text-primary);
    background: rgba(255, 255, 255, 0.12);
  }

  .nav-link:hover::after,
  .nav-link:focus-visible::after,
  .nav-link.active::after {
    opacity: 1;
    transform: translateY(0);
  }

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.user-menu {
  position: relative;
}

.user-menu-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-4);
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: var(--shadow-sm);
}

.user-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.user-avatar-initial {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-inverse);
  font-size: 0.9rem;
}

.user-name {
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-menu-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 200px;
  z-index: var(--z-dropdown);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
}

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

.dropdown-item {
  display: block;
  padding: var(--space-3) var(--space-4);
  color: var(--color-text-primary);
  text-decoration: none;
  transition: background var(--transition-fast);
}

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

.dropdown-divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-2) 0;
}

.auth-buttons {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: 0;
}

/* Premium Page Specific Styles */
.admin-container,
.settings-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-8) var(--space-6);
}

.admin-header,
.settings-header {
  text-align: center;
  padding: var(--space-8);
  margin-bottom: var(--space-8);
}

.admin-content,
.settings-content {
  padding: var(--space-8);
}

.table-container {
  overflow-x: auto;
  border-radius: var(--radius-xl);
}

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

.table-premium th,
.table-premium td {
  padding: var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.table-premium th {
  background: var(--gradient-surface);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.action-buttons {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.badge.admin {
  background: rgba(147, 51, 234, 0.2);
  color: #9333ea;
}

.settings-form {
  max-width: 500px;
  margin: 0 auto;
}

.upgrade-prompt {
  text-align: center;
  padding: var(--space-8);
}

.navigation-actions {
  margin-top: var(--space-8);
  text-align: center;
}

/* iOS Safari Compatibility Enhancements */
@supports (-webkit-touch-callout: none) {
  .navbar-menu {
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }
  
  .navbar-toggle {
    -webkit-tap-highlight-color: transparent;
    -webkit-user-select: none;
  }
}

/* Force mobile layout on iOS devices */
@media screen and (-webkit-min-device-pixel-ratio: 2) and (max-width: 768px) {
  .navbar-toggle {
    display: flex !important;
  }
  
  .navbar-menu:not(.active) {
    display: none !important;
  }
}

/* Mobile content overflow fixes for all mobile devices */
@media screen and (max-width: 768px) {
  html, body {
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: hidden !important;
    -webkit-text-size-adjust: 100%;
  }
  
  * {
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  
  .hero-premium, .hero-content, .hero-title, .hero-subtitle, .hero-stats {
    width: 100% !important;
    max-width: 100% !important;
    overflow-wrap: break-word !important;
    word-wrap: break-word !important;
    padding-left: var(--space-4) !important;
    padding-right: var(--space-4) !important;
  }
  
  .hero-premium {
    padding: var(--space-6) var(--space-4) !important;
    margin: 0 !important;
  }
  
  .hero-content {
    max-width: calc(100vw - 2rem) !important;
    padding: 0 !important;
    margin: 0 auto !important;
  }
  
  .hero-title {
    font-size: clamp(1.5rem, 8vw, 3rem) !important;
    line-height: 1.2 !important;
    margin-bottom: var(--space-4) !important;
  }
  
  .hero-subtitle {
    font-size: clamp(0.875rem, 4vw, 1.125rem) !important;
    line-height: 1.4 !important;
    margin-bottom: var(--space-6) !important;
  }
  
  .hero-stats {
    display: flex !important;
    flex-direction: column !important;
    gap: var(--space-3) !important;
    width: 100% !important;
    margin-bottom: var(--space-6) !important;
  }
  
  .hero-stats > div {
    width: 100% !important;
    max-width: 100% !important;
    text-align: center !important;
    padding: var(--space-3) !important;
  }
  
  /* Fix chart and visual elements overflow on mobile */
  .hero-visual {
    width: 100% !important;
    max-width: 100% !important;
    overflow: hidden !important;
  }
  
  .preview-chart, .home-graph-card {
    width: 100% !important;
    max-width: 100% !important;
    overflow: hidden !important;
  }
  
  /* Plotly chart mobile responsiveness */
  .js-plotly-plot, .plot-container, .plotly {
    width: 100% !important;
    max-width: 100% !important;
    overflow: hidden !important;
  }
  
  .user-select-none.svg-container {
    width: 100% !important;
    max-width: 100% !important;
  }
  
  .user-select-none.svg-container svg {
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
  }
  
  .gl-container {
    width: 100% !important;
    max-width: 100% !important;
  }
  
  .modebar-container {
    width: 100% !important;
    max-width: 100% !important;
  }
}

.glass,
.glass-alt {
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
}

.btn,
.nav-link,
.navbar-toggle {
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

/* Mobile Responsive Breakpoints */
@media (max-width: 768px) {
  html, body {
    width: 100%;
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
  }
  
  body {
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
  }
  
  .navbar-container {
    padding: max(var(--space-3), env(safe-area-inset-top)) max(var(--space-4), env(safe-area-inset-right)) var(--space-3) max(var(--space-4), env(safe-area-inset-left));
    width: 100%;
    box-sizing: border-box;
  }
  
  .navbar-toggle {
    display: flex !important;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
  }
  
  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }
  
  .container {
    padding: 0 max(var(--space-4), env(safe-area-inset-left)) 0 max(var(--space-4), env(safe-area-inset-right));
    margin: var(--space-6) auto;
    max-width: 100%;
    width: 100%;
    box-sizing: border-box;
    overflow-x: hidden;
  }
  
  .hero-premium {
    padding: var(--space-8) max(var(--space-4), env(safe-area-inset-right)) var(--space-8) max(var(--space-4), env(safe-area-inset-left));
    margin: 0;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow-x: hidden;
  }
  
  .hero-content {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow-x: hidden;
  }
  
  .hero-title {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow-wrap: break-word;
    word-wrap: break-word;
    hyphens: auto;
  }
  
  .hero-subtitle {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow-wrap: break-word;
    word-wrap: break-word;
  }
  
  .hero-stats {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow-x: hidden;
  }
  
  .card-premium {
    margin: var(--space-4) max(var(--space-4), env(safe-area-inset-right)) var(--space-4) max(var(--space-4), env(safe-area-inset-left));
    padding: var(--space-6);
    width: calc(100% - 2 * max(var(--space-4), env(safe-area-inset-left)));
    max-width: 100%;
    box-sizing: border-box;
    overflow-x: hidden;
  }
  
  .navbar-menu {
    position: fixed;
    top: calc(70px + env(safe-area-inset-top));
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    flex-direction: column;
    padding: var(--space-6) max(var(--space-6), env(safe-area-inset-right)) var(--space-6) max(var(--space-6), env(safe-area-inset-left));
    gap: var(--space-6);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: var(--z-fixed);
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }
  
  .navbar-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .navbar-nav {
    flex-direction: column;
    width: 100%;
    gap: var(--space-4);
  }
  
    .nav-link {
      position: relative;
      width: 100%;
      text-align: center;
      padding: var(--space-4);
      color: rgba(244, 248, 255, 0.9);
      font-weight: var(--font-weight-semibold);
      letter-spacing: 0.02em;
      -webkit-tap-highlight-color: transparent;
      touch-action: manipulation;
    }

    .nav-link::after {
      left: 30%;
      right: 30%;
    }
  
  .navbar-actions {
    width: 100%;
    justify-content: center;
  }
  
  .user-name {
    display: none;
  }
  
  .auth-buttons {
    width: 100%;
    justify-content: center;
  }

  .login-google-card {
    margin: var(--space-6) max(var(--space-4), env(safe-area-inset-right)) var(--space-6) max(var(--space-4), env(safe-area-inset-left));
    padding: var(--space-6);
  }

  .google-login-form {
    margin-top: var(--space-4);
  }

  .google-login-form .btn-google {
    max-width: 100%;
  }
  
  .admin-container,
  .settings-container {
    padding: var(--space-6) max(var(--space-4), env(safe-area-inset-right)) var(--space-6) max(var(--space-4), env(safe-area-inset-left));
  }
  
  .admin-header,
  .settings-header {
    padding: var(--space-6) max(var(--space-4), env(safe-area-inset-right)) var(--space-6) max(var(--space-4), env(safe-area-inset-left));
    margin-bottom: var(--space-6);
  }
  
  .admin-content,
  .settings-content {
    padding: var(--space-6) max(var(--space-4), env(safe-area-inset-right)) var(--space-6) max(var(--space-4), env(safe-area-inset-left));
  }
  
  .table-premium {
    font-size: var(--font-size-sm);
  }
  
  .table-premium th,
  .table-premium td {
    padding: var(--space-2) var(--space-3);
  }
  
  .action-buttons {
    flex-direction: column;
  }
  
  .pricing-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  
  .faq-grid {
    grid-template-columns: 1fr;
  }
  
  .trust-items {
    flex-direction: column;
    gap: var(--space-4);
  }
}

/* iPhone and Small Mobile Devices */
@media (max-width: 480px) {
  body {
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
  }
  
  .container {
    padding: 0 max(var(--space-3), env(safe-area-inset-left)) 0 max(var(--space-3), env(safe-area-inset-right));
    margin: var(--space-4) auto;
    max-width: 100%;
    width: 100%;
    box-sizing: border-box;
  }
  
  .hero-premium {
    padding: var(--space-6) max(var(--space-3), env(safe-area-inset-right)) var(--space-6) max(var(--space-3), env(safe-area-inset-left));
    margin: 0;
    width: 100%;
    box-sizing: border-box;
  }
  
  .card-premium {
    margin: var(--space-3) max(var(--space-3), env(safe-area-inset-right)) var(--space-3) max(var(--space-3), env(safe-area-inset-left));
    padding: var(--space-4);
    width: calc(100% - 2 * max(var(--space-3), env(safe-area-inset-left)));
    box-sizing: border-box;
  }
  
  .btn-premium {
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-sm);
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
  }
  
  .dashboard-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  
  .chart-controls {
    flex-direction: column;
    gap: var(--space-3);
  }
  
  .export-controls {
    justify-content: center;
  }
  
  .navbar-container {
    padding: max(var(--space-2), env(safe-area-inset-top)) max(var(--space-3), env(safe-area-inset-right)) var(--space-2) max(var(--space-3), env(safe-area-inset-left));
  }
  
  .brand-text {
    font-size: var(--font-size-base);
  }
  
  .navbar-menu.active {
    top: calc(60px + env(safe-area-inset-top));
    padding: var(--space-4) max(var(--space-4), env(safe-area-inset-right)) var(--space-4) max(var(--space-4), env(safe-area-inset-left));
  }
  
  .admin-container,
  .settings-container {
    padding: var(--space-4) max(var(--space-2), env(safe-area-inset-right)) var(--space-4) max(var(--space-2), env(safe-area-inset-left));
  }
  
  .admin-header h1,
  .settings-header h1 {
    font-size: var(--font-size-xl);
  }
  
  .table-container {
    font-size: var(--font-size-xs);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .action-buttons .btn {
    font-size: var(--font-size-xs);
    padding: var(--space-1) var(--space-2);
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
  }
}

/* iPhone 15 Pro and Similar Devices */
@media only screen and (max-width: 393px) and (-webkit-min-device-pixel-ratio: 3) {
  html, body {
    width: 100vw;
    max-width: 100vw;
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
    box-sizing: border-box;
  }
  
  * {
    max-width: 100vw;
    box-sizing: border-box;
  }
  
  body {
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
  }
  
  .navbar-container {
    padding: max(8px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) 8px max(12px, env(safe-area-inset-left));
    width: 100vw;
    max-width: 100vw;
    box-sizing: border-box;
    overflow-x: hidden;
  }
  
  .brand-text {
    font-size: 1rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 150px;
  }
  
  .navbar-menu.active {
    top: calc(65px + env(safe-area-inset-top));
    padding: 16px max(12px, env(safe-area-inset-right)) 16px max(12px, env(safe-area-inset-left));
    width: 100vw;
    max-width: 100vw;
    box-sizing: border-box;
    overflow-x: hidden;
  }
  
  .container {
    padding: 0 max(12px, env(safe-area-inset-left)) 0 max(12px, env(safe-area-inset-right));
    margin: 12px auto;
    max-width: 100vw;
    width: 100vw;
    box-sizing: border-box;
    overflow-x: hidden;
  }
  
  .hero-premium {
    padding: 20px max(12px, env(safe-area-inset-right)) 20px max(12px, env(safe-area-inset-left));
    margin: 0;
    width: 100vw;
    max-width: 100vw;
    box-sizing: border-box;
    overflow-x: hidden;
  }
  
  .card-premium {
    margin: 8px max(8px, env(safe-area-inset-right)) 8px max(8px, env(safe-area-inset-left));
    padding: 12px;
    width: calc(100vw - 2 * max(8px, env(safe-area-inset-left)));
    max-width: calc(100vw - 16px);
    box-sizing: border-box;
    overflow-x: hidden;
  }
  
  .pricing-grid {
    gap: 12px;
    padding: 0 max(8px, env(safe-area-inset-right)) 0 max(8px, env(safe-area-inset-left));
    width: 100vw;
    max-width: 100vw;
    box-sizing: border-box;
    overflow-x: hidden;
  }
  
  .admin-container,
  .settings-container {
    padding: 12px max(8px, env(safe-area-inset-right)) 12px max(8px, env(safe-area-inset-left));
    width: 100vw;
    max-width: 100vw;
    box-sizing: border-box;
    overflow-x: hidden;
  }
  
  .admin-header,
  .settings-header {
    padding: 12px max(8px, env(safe-area-inset-right)) 12px max(8px, env(safe-area-inset-left));
    margin-bottom: 12px;
    width: 100vw;
    max-width: 100vw;
    box-sizing: border-box;
    overflow-x: hidden;
  }
  
  .admin-content,
  .settings-content {
    padding: 12px max(8px, env(safe-area-inset-right)) 12px max(8px, env(safe-area-inset-left));
    width: 100vw;
    max-width: 100vw;
    box-sizing: border-box;
    overflow-x: hidden;
  }
}

/* Enhanced Mobile UI Optimization */
@media (max-width: 768px) {
  .hero-section {
    grid-template-columns: 1fr;
    gap: var(--space-8);
    text-align: center;
  }
  
  .main-content {
    padding: var(--space-4);
    margin-top: 65px;
  }
  
  .card, .card-premium, .pricing-card, .admin-container {
    padding: var(--space-5) !important;
    margin-bottom: var(--space-5) !important;
    border-radius: 12px;
  }
  
  h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
  h2 { font-size: clamp(1.5rem, 3.5vw, 2rem); }
  h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
  p { font-size: clamp(0.875rem, 2.5vw, 1rem); }
  
  .dashboard-grid, .pricing-grid {
    grid-template-columns: 1fr !important;
    gap: var(--space-5) !important;
  }
  
  .table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .navbar {
    padding: 12px 16px;
  }
  
  .footer {
    padding: 16px;
  }
  
  .btn {
    padding: 12px 20px;
    font-size: clamp(0.875rem, 2.5vw, 1rem);
  }
}