#app {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  height: 100vh;
  margin: 0;
  padding: 0;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  padding: 0;
  background-color: #f5f7fa;
}
/* Modern CSS Reset */
*, *::before, *::after {
  box-sizing: border-box;
}

* {
  margin: 0;
}

body {
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

#root, #__next, #app {
  isolation: isolate;
}

/* CSS Variables */
:root {
  /* Colors */
  --color-primary: #25D366;
  --color-primary-dark: #128C7E;
  --color-secondary: #34495e;
  --color-accent: #3498db;
  --color-success: #27ae60;
  --color-warning: #f39c12;
  --color-danger: #e74c3c;
  --color-light: #ecf0f1;
  --color-dark: #2c3e50;
  --color-white: #ffffff;
  
  /* Gray Scale */
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;
}

/* Utility Classes */
.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-base { font-size: 1rem; line-height: 1.5rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-3xl { font-size: 1.875rem; line-height: 2.25rem; }

.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.text-gray-400 { color: var(--color-gray-400); }
.text-gray-500 { color: var(--color-gray-500); }
.text-gray-600 { color: var(--color-gray-600); }
.text-gray-700 { color: var(--color-gray-700); }
.text-gray-800 { color: var(--color-gray-800); }
.text-gray-900 { color: var(--color-gray-900); }

.text-primary { color: var(--color-primary); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-danger { color: var(--color-danger); }

.bg-white { background-color: var(--color-white); }
.bg-gray-50 { background-color: var(--color-gray-50); }
.bg-gray-100 { background-color: var(--color-gray-100); }
.bg-primary { background-color: var(--color-primary); }

.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

.transition-fast { transition: all var(--transition-fast); }
.transition-normal { transition: all var(--transition-normal); }
.transition-slow { transition: all var(--transition-slow); }

/* Layout Utilities */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }
.hidden { display: none; }

.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }

.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }

.gap-1 { gap: var(--spacing-xs); }
.gap-2 { gap: var(--spacing-sm); }
.gap-4 { gap: var(--spacing-md); }
.gap-6 { gap: var(--spacing-lg); }
.gap-8 { gap: var(--spacing-xl); }

.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-4 { padding: var(--spacing-md); }
.p-6 { padding: var(--spacing-lg); }
.p-8 { padding: var(--spacing-xl); }

.px-2 { padding-left: var(--spacing-sm); padding-right: var(--spacing-sm); }
.px-4 { padding-left: var(--spacing-md); padding-right: var(--spacing-md); }
.px-6 { padding-left: var(--spacing-lg); padding-right: var(--spacing-lg); }

.py-2 { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.py-4 { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-6 { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }

.m-1 { margin: var(--spacing-xs); }
.m-2 { margin: var(--spacing-sm); }
.m-4 { margin: var(--spacing-md); }
.m-6 { margin: var(--spacing-lg); }
.m-8 { margin: var(--spacing-xl); }

.mx-auto { margin-left: auto; margin-right: auto; }

.w-full { width: 100%; }
.h-full { height: 100%; }
.h-screen { height: 100vh; }

/* Component Base Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: var(--radius-md);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-fast);
  outline: none;
  font-size: 0.875rem;
}

.btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

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

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

.btn-secondary {
  background-color: var(--color-gray-200);
  color: var(--color-gray-700);
}

.btn-secondary:hover {
  background-color: var(--color-gray-300);
}

.btn-outline {
  background-color: transparent;
  border: 1px solid var(--color-gray-300);
  color: var(--color-gray-700);
}

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

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.75rem;
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: 1rem;
}

.input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  transition: var(--transition-fast);
  outline: none;
}

.input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.1);
}

.input:disabled {
  background-color: var(--color-gray-100);
  cursor: not-allowed;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--color-gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--color-gray-300);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-gray-400);
}

/**
 * ChatRide Mobile Design System
 * Version: 3.0.0-mobile
 * Date: 2025-11-03
 */

:root {
  /* ==================== Colors ==================== */
  
  /* Primary - WhatsApp Green */
  --color-primary-50: #E8F8EF;
  --color-primary-100: #C8F0DA;
  --color-primary-200: #91E1B5;
  --color-primary-300: #5BD290;
  --color-primary-400: #3DCE7D;
  --color-primary-500: #25D366; /* Main */
  --color-primary-600: #1DA851;
  --color-primary-700: #158140;
  --color-primary-800: #0F6533;
  --color-primary-900: #0A4D27;
  
  /* Accent Colors */
  --color-accent-purple: #8B5CF6;
  --color-accent-blue: #3B82F6;
  --color-accent-pink: #EC4899;
  --color-accent-orange: #F59E0B;
  --color-accent-teal: #14B8A6;
  --color-accent-indigo: #6366F1;
  
  /* Neutral/Gray Scale */
  --color-gray-50: #F9FAFB;
  --color-gray-100: #F3F4F6;
  --color-gray-200: #E5E7EB;
  --color-gray-300: #D1D5DB;
  --color-gray-400: #9CA3AF;
  --color-gray-500: #6B7280;
  --color-gray-600: #4B5563;
  --color-gray-700: #374151;
  --color-gray-800: #1F2937;
  --color-gray-900: #111827;
  
  /* Status Colors */
  --color-success: #10B981;
  --color-success-light: #D1FAE5;
  --color-warning: #F59E0B;
  --color-warning-light: #FEF3C7;
  --color-error: #EF4444;
  --color-error-light: #FEE2E2;
  --color-info: #3B82F6;
  --color-info-light: #DBEAFE;
  
  /* Channel Brand Colors */
  --color-whatsapp: #25D366;
  --color-instagram: #E4405F;
  --color-facebook: #0084FF;
  --color-webchat: #6366F1;
  
  /* Semantic Colors */
  --color-background: #F5F7FA;
  --color-surface: #FFFFFF;
  --color-surface-hover: #F9FAFB;
  --color-border: #E5E7EB;
  --color-border-light: #F3F4F6;
  --color-divider: #E5E7EB;
  
  --color-text-primary: #111827;
  --color-text-secondary: #6B7280;
  --color-text-tertiary: #9CA3AF;
  --color-text-inverse: #FFFFFF;
  
  /* Message Bubble Colors */
  --color-bubble-inbound: #FFFFFF;
  --color-bubble-outbound: #DCF8C6;
  --color-bubble-outbound-alt: #E8F5E9; /* Alternative green */
  
  /* ==================== Typography ==================== */
  
  /* Font Family */
  --font-family-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', 'Arial', sans-serif;
  --font-family-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Courier New', monospace;
  
  /* Font Sizes - Mobile Optimized */
  --text-xs: 11px;
  --text-sm: 13px;
  --text-base: 15px;
  --text-lg: 17px;
  --text-xl: 19px;
  --text-2xl: 22px;
  --text-3xl: 26px;
  --text-4xl: 32px;
  
  /* Line Heights */
  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;
  
  /* Font Weights */
  --font-thin: 100;
  --font-extralight: 200;
  --font-light: 300;
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;
  --font-black: 900;
  
  /* ==================== Spacing ==================== */
  
  /* 4px base unit - 8px grid system */
  --space-0: 0;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 28px;
  --space-8: 32px;
  --space-9: 36px;
  --space-10: 40px;
  --space-11: 44px;
  --space-12: 48px;
  --space-14: 56px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;
  --space-32: 128px;
  
  /* ==================== Border Radius ==================== */
  
  --radius-none: 0;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 20px;
  --radius-3xl: 24px;
  --radius-full: 9999px;
  
  /* ==================== Shadows ==================== */
  
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.03);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.15);
  --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.06);
  
  /* ==================== Z-Index Scale ==================== */
  
  --z-base: 0;
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  --z-notification: 1080;
  
  /* ==================== Transitions ==================== */
  
  /* Durations */
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 350ms;
  
  /* Easing Functions */
  --ease-linear: linear;
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --ease-elastic: cubic-bezier(0.175, 0.885, 0.32, 1.275);
  
  /* Common Transitions */
  --transition-base: all var(--duration-normal) var(--ease-in-out);
  --transition-fast: all var(--duration-fast) var(--ease-in-out);
  --transition-slow: all var(--duration-slow) var(--ease-in-out);
  --transition-colors: color var(--duration-fast) var(--ease-in-out),
                       background-color var(--duration-fast) var(--ease-in-out),
                       border-color var(--duration-fast) var(--ease-in-out);
  --transition-transform: transform var(--duration-normal) var(--ease-out);
  --transition-opacity: opacity var(--duration-fast) var(--ease-in-out);
  
  /* ==================== Layout ==================== */
  
  /* Safe Area Insets (for notch devices) */
  --safe-area-top: env(safe-area-inset-top, 0);
  --safe-area-right: env(safe-area-inset-right, 0);
  --safe-area-bottom: env(safe-area-inset-bottom, 0);
  --safe-area-left: env(safe-area-inset-left, 0);
  
  /* Header Heights */
  --header-height-mobile: 56px;
  --header-height-tablet: 64px;
  --header-height-desktop: 72px;
  
  /* Bottom Navigation */
  --bottom-nav-height: 56px;
  
  /* Content Max Widths */
  --content-max-width-mobile: 100%;
  --content-max-width-tablet: 768px;
  --content-max-width-desktop: 1280px;
  
  /* Conversation List Width */
  --conversation-list-width-mobile: 100%;
  --conversation-list-width-tablet: 320px;
  --conversation-list-width-desktop: 380px;
  
  /* Touch Targets */
  --touch-target-min: 44px; /* Apple HIG & Material Design standard */
  --touch-target-comfortable: 48px;
  
  /* ==================== Breakpoints ==================== */
  /* Note: These are for reference, use @media queries */
  --breakpoint-mobile: 0px;
  --breakpoint-mobile-lg: 640px;
  --breakpoint-tablet: 768px;
  --breakpoint-desktop: 1024px;
  --breakpoint-desktop-lg: 1280px;
  --breakpoint-desktop-xl: 1536px;
}

/* ==================== Dark Mode Support ==================== */
/* (Future implementation) */
/* Dark mode support - to be implemented in future phases */
/* @media (prefers-color-scheme: dark) {
  :root {
    ...dark mode color overrides
  }
} */

/* ==================== Animations & Keyframes ==================== */

@keyframes slideUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
  }
  to {
    transform: translateY(0);
  }
}

@keyframes slideLeft {
  from {
    transform: translateX(100%);
  }
  to {
    transform: translateX(0);
  }
}

@keyframes slideRight {
  from {
    transform: translateX(-100%);
  }
  to {
    transform: translateX(0);
  }
}

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

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

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes scaleOut {
  from {
    opacity: 1;
    transform: scale(1);
  }
  to {
    opacity: 0;
    transform: scale(0.9);
  }
}

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

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

/* ==================== Utility Animation Classes ==================== */

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

.animate-slide-down {
  animation: slideDown var(--duration-normal) var(--ease-out);
}

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

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

.animate-spin {
  animation: spin 1s linear infinite;
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* ==================== Typography Utilities ==================== */

.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }

.font-normal { font-weight: var(--font-normal); }
.font-medium { font-weight: var(--font-medium); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold { font-weight: var(--font-bold); }

.leading-tight { line-height: var(--leading-tight); }
.leading-normal { line-height: var(--leading-normal); }
.leading-relaxed { line-height: var(--leading-relaxed); }

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.line-clamp-1 {
  display: -webkit-box;
  -webkit-line-clamp: 1;
  line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
/**
 * ChatRide Mobile Base Styles
 * Version: 3.0.0-mobile
 * Temiz, izole mobil stil yapısı - Mevcut CSS'lerle çakışma önleme
 */

/* ==================== Mobile Scope Wrapper ==================== */
/* Tüm mobil stiller .chatride-mobile altında olacak */

.chatride-mobile {
  /* Reset ve base styles sadece mobil scope içinde */
  box-sizing: border-box;
  
  *, *::before, *::after {
    box-sizing: inherit;
  }
  
  /* Mobile-first base styles */
  font-family: var(--font-family-base);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-tap-highlight-color: transparent;
}

/* ==================== Mobile Layout Container ==================== */

.chatride-mobile-layout {
  width: 100%;
  height: 100vh;
  height: 100dvh; /* Dynamic viewport height (mobile browsers) */
  display: flex;
  flex-direction: column;
  background-color: var(--color-background);
  overflow: hidden;
  position: relative;
}

/* Safe area support for notch devices */
.chatride-mobile-layout--with-safe-area {
  padding-top: var(--safe-area-top);
  padding-right: var(--safe-area-right);
  padding-bottom: var(--safe-area-bottom);
  padding-left: var(--safe-area-left);
}

/* ==================== Mobile Header ==================== */

.mobile-header {
  height: var(--header-height-mobile);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-4);
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border-light);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  flex-shrink: 0;
}

.mobile-header__left,
.mobile-header__right {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.mobile-header__center {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--space-2);
}

.mobile-header__title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ==================== Mobile Content Area ==================== */

.mobile-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  position: relative;
}

/* Hide scrollbar but keep functionality */
.mobile-content::-webkit-scrollbar {
  display: none;
}

.mobile-content {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

/* ==================== Mobile Bottom Navigation ==================== */

.mobile-bottom-nav {
  height: var(--bottom-nav-height);
  display: flex;
  align-items: center;
  justify-content: space-around;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border-light);
  position: sticky;
  bottom: 0;
  z-index: var(--z-sticky);
  flex-shrink: 0;
}

.mobile-bottom-nav__item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-1);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: var(--transition-colors);
  position: relative;
  min-height: var(--touch-target-min);
  cursor: pointer;
  background: none;
  border: none;
}

.mobile-bottom-nav__item:active {
  background-color: var(--color-surface-hover);
}

.mobile-bottom-nav__item--active {
  color: var(--color-primary-500);
}

.mobile-bottom-nav__icon {
  font-size: 20px;
  line-height: 1;
}

.mobile-bottom-nav__label {
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
}

.mobile-bottom-nav__badge {
  position: absolute;
  top: var(--space-1);
  right: 50%;
  transform: translateX(8px);
  min-width: 18px;
  height: 18px;
  padding: 0 var(--space-1);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-error);
  color: var(--color-text-inverse);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  border-radius: var(--radius-full);
  line-height: 1;
}

/* ==================== Mobile Button Base ==================== */

.mobile-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  min-height: var(--touch-target-min);
  font-family: var(--font-family-base);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  line-height: var(--leading-tight);
  text-decoration: none;
  text-align: center;
  white-space: nowrap;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: var(--transition-base);
  user-select: none;
  -webkit-user-select: none;
  position: relative;
  overflow: hidden;
}

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

/* Button variants */
.mobile-btn--primary {
  background-color: var(--color-primary-500);
  color: var(--color-text-inverse);
}

.mobile-btn--primary:active {
  background-color: var(--color-primary-600);
}

.mobile-btn--secondary {
  background-color: var(--color-gray-100);
  color: var(--color-text-primary);
}

.mobile-btn--secondary:active {
  background-color: var(--color-gray-200);
}

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

.mobile-btn--outline:active {
  background-color: var(--color-gray-50);
}

.mobile-btn--ghost {
  background-color: transparent;
  color: var(--color-text-primary);
}

.mobile-btn--ghost:active {
  background-color: var(--color-gray-100);
}

.mobile-btn--danger {
  background-color: var(--color-error);
  color: var(--color-text-inverse);
}

.mobile-btn--danger:active {
  background-color: #DC2626;
}

/* Button sizes */
.mobile-btn--sm {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  min-height: 36px;
}

.mobile-btn--lg {
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-lg);
  min-height: 52px;
}

.mobile-btn--icon {
  padding: var(--space-3);
  min-width: var(--touch-target-min);
  border-radius: var(--radius-full);
}

.mobile-btn--icon-sm {
  padding: var(--space-2);
  min-width: 36px;
  min-height: 36px;
  border-radius: var(--radius-full);
}

/* ==================== Mobile Icon Button ==================== */

.mobile-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--touch-target-min);
  height: var(--touch-target-min);
  padding: 0;
  background: none;
  border: none;
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: var(--transition-colors);
  position: relative;
}

.mobile-icon-btn:active {
  background-color: var(--color-gray-100);
}

.mobile-icon-btn--primary {
  color: var(--color-primary-500);
}

.mobile-icon-btn--danger {
  color: var(--color-error);
}

.mobile-icon-btn__badge {
  position: absolute;
  top: 6px;
  right: 6px;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-error);
  color: var(--color-text-inverse);
  font-size: 10px;
  font-weight: var(--font-bold);
  border-radius: var(--radius-full);
  border: 2px solid var(--color-surface);
}

/* ==================== Mobile Avatar ==================== */

.mobile-avatar {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background-color: var(--color-gray-200);
  color: var(--color-text-primary);
  font-weight: var(--font-semibold);
  overflow: hidden;
  flex-shrink: 0;
}

.mobile-avatar__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mobile-avatar__text {
  font-size: var(--text-base);
  text-transform: uppercase;
}

/* Avatar sizes */
.mobile-avatar--xs {
  width: 24px;
  height: 24px;
  font-size: var(--text-xs);
}

.mobile-avatar--sm {
  width: 32px;
  height: 32px;
  font-size: var(--text-sm);
}

.mobile-avatar--md {
  width: 40px;
  height: 40px;
  font-size: var(--text-base);
}

.mobile-avatar--lg {
  width: 56px;
  height: 56px;
  font-size: var(--text-xl);
}

.mobile-avatar--xl {
  width: 72px;
  height: 72px;
  font-size: var(--text-2xl);
}

/* Avatar with badge */
.mobile-avatar__badge {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 14px;
  height: 14px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-surface);
}

.mobile-avatar__badge--online {
  background-color: var(--color-success);
}

.mobile-avatar__badge--offline {
  background-color: var(--color-gray-400);
}

/* ==================== Mobile Badge ==================== */

.mobile-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  line-height: 1;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.mobile-badge--primary {
  background-color: var(--color-primary-500);
  color: var(--color-text-inverse);
}

.mobile-badge--success {
  background-color: var(--color-success);
  color: var(--color-text-inverse);
}

.mobile-badge--warning {
  background-color: var(--color-warning);
  color: var(--color-text-inverse);
}

.mobile-badge--error {
  background-color: var(--color-error);
  color: var(--color-text-inverse);
}

.mobile-badge--gray {
  background-color: var(--color-gray-200);
  color: var(--color-text-primary);
}

/* Badge sizes */
.mobile-badge--sm {
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  font-size: 10px;
}

.mobile-badge--lg {
  min-width: 24px;
  height: 24px;
  padding: 0 var(--space-3);
  font-size: var(--text-sm);
}

/* ==================== Mobile Chip ==================== */

.mobile-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  line-height: var(--leading-tight);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background-color: var(--color-surface);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: var(--transition-base);
  user-select: none;
  white-space: nowrap;
}

.mobile-chip:active {
  background-color: var(--color-gray-50);
}

.mobile-chip--active {
  background-color: var(--color-primary-500);
  border-color: var(--color-primary-500);
  color: var(--color-text-inverse);
}

.mobile-chip--active:active {
  background-color: var(--color-primary-600);
}

.mobile-chip__count {
  font-size: var(--text-xs);
  opacity: 0.8;
}

/* ==================== Mobile Divider ==================== */

.mobile-divider {
  height: 1px;
  background-color: var(--color-divider);
  border: none;
  margin: var(--space-4) 0;
}

.mobile-divider--thick {
  height: 8px;
  background-color: var(--color-gray-100);
}

.mobile-divider--vertical {
  width: 1px;
  height: auto;
  margin: 0 var(--space-2);
}

/* ==================== Mobile Loading States ==================== */

.mobile-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-gray-200);
  border-top-color: var(--color-primary-500);
  border-radius: var(--radius-full);
  animation: spin 0.6s linear infinite;
}

.mobile-spinner--sm {
  width: 16px;
  height: 16px;
  border-width: 2px;
}

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

/* Skeleton loading */
.mobile-skeleton {
  background: linear-gradient(
    90deg,
    var(--color-gray-200) 0%,
    var(--color-gray-100) 50%,
    var(--color-gray-200) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

.mobile-skeleton--text {
  height: 16px;
  margin: var(--space-2) 0;
}

.mobile-skeleton--circle {
  border-radius: var(--radius-full);
}

/* ==================== Mobile Empty State ==================== */

.mobile-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) var(--space-6);
  text-align: center;
  color: var(--color-text-secondary);
}

.mobile-empty-state__icon {
  font-size: 64px;
  margin-bottom: var(--space-4);
  opacity: 0.5;
}

.mobile-empty-state__title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-2) 0;
}

.mobile-empty-state__description {
  font-size: var(--text-sm);
  margin: 0 0 var(--space-6) 0;
}

/* ==================== Mobile Overlay ==================== */

.mobile-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: var(--z-modal-backdrop);
  animation: fadeIn var(--duration-fast) var(--ease-in-out);
}

.mobile-overlay--light {
  background-color: rgba(0, 0, 0, 0.3);
}

.mobile-overlay--dark {
  background-color: rgba(0, 0, 0, 0.7);
}

/* ==================== Responsive Utilities ==================== */

@media (min-width: 640px) {
  .mobile-hidden-sm { display: none; }
}

@media (min-width: 768px) {
  .mobile-hidden-md { display: none; }
  .mobile-header {
    height: var(--header-height-tablet);
  }
}

@media (min-width: 1024px) {
  .mobile-hidden-lg { display: none; }
}

/* Show only on mobile */
@media (min-width: 768px) {
  .mobile-only {
    display: none !important;
  }
}

/* ==================== Accessibility ==================== */

.mobile-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;
}

/* Focus visible styles */
.mobile-btn:focus-visible,
.mobile-icon-btn:focus-visible {
  outline: 2px solid var(--color-primary-500);
  outline-offset: 2px;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}