/* ============================================
   FAMILY CALL - STYLES
   ============================================

   Created: 2025-12-05
   Extracted from inline styles in index.html
   Total lines: ~957
   ============================================ */

/* === CSS Variables === */
:root {
  /* Colors - Primary */
  --color-primary: #4ecca3;
  --color-primary-hover: #3dbb92;
  --color-primary-light: rgba(78, 204, 163, 0.1);
  --color-primary-shadow: rgba(78, 204, 163, 0.3);

  /* Colors - Semantic */
  --color-success: #4ecca3;
  --color-danger: #e74c3c;
  --color-warning: #ed8936;

  /* Colors - Text */
  --text-primary: #2c3e50;
  --text-secondary: #666;
  --text-muted: #888;
  --text-placeholder: #999;
  --text-white: #fff;

  /* Backgrounds */
  --bg-gradient-main: linear-gradient(135deg, #f5f7fa 0%, #e4e8ec 100%);
  --bg-card: #fff;
  --bg-input: #f8f9fa;
  --bg-input-border: #f7f7f7;
  --bg-hover: #f5f5f5;
  --bg-button-secondary: #f0f0f0;
  --bg-button-secondary-hover: #e5e5e5;
  --bg-video-placeholder: #2c3e50;
  --bg-video-local: #3d5a73;

  /* Backgrounds - Call */
  --bg-call: #000;
  --bg-call-overlay: rgba(0, 0, 0, 0.5);
  --bg-incoming-modal: rgba(0, 0, 0, 0.9);

  /* Backgrounds - Semi-transparent */
  --bg-white-10: rgba(255, 255, 255, 0.1);
  --bg-white-20: rgba(255, 255, 255, 0.2);
  --bg-white-30: rgba(255, 255, 255, 0.3);
  --bg-white-50: rgba(255, 255, 255, 0.5);
  --bg-white-95: rgba(255, 255, 255, 0.95);

  /* Borders */
  --border-color: #e0e0e0;
  --border-color-focus: #4ecca3;
  --border-online: #4ecca3;

  /* Border Radius */
  --radius-xs: 5px;
  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 15px;
  --radius-xl: 18px;
  --radius-2xl: 20px;
  --radius-3xl: 25px;
  --radius-full: 50%;
  --radius-button: 30px;

  /* Shadows */
  --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 2px 10px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 4px 15px rgba(78, 204, 163, 0.3);
  --shadow-2xl: 0 -5px 30px rgba(0, 0, 0, 0.15);
  --shadow-online: 0 2px 8px rgba(78, 204, 163, 0.15);
  --shadow-input-top: 0 -2px 10px rgba(0, 0, 0, 0.05);

  /* Text Shadow */
  --text-shadow-avatar: 0 1px 2px rgba(0, 0, 0, 0.3);
  --text-shadow-avatar-lg: 0 2px 4px rgba(0, 0, 0, 0.4);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-smooth: 0.3s ease;

  /* Spacing */
  --spacing-xs: 3px;
  --spacing-sm: 5px;
  --spacing-md: 10px;
  --spacing-lg: 15px;
  --spacing-xl: 20px;
  --spacing-2xl: 30px;
  --spacing-3xl: 40px;
  --spacing-4xl: 50px;

  /* Font Sizes */
  --font-xs: 10px;
  --font-sm: 11px;
  --font-base: 12px;
  --font-md: 14px;
  --font-lg: 15px;
  --font-xl: 16px;
  --font-2xl: 18px;
  --font-3xl: 20px;
  --font-4xl: 24px;
  --font-5xl: 28px;
  --font-6xl: 32px;
  --font-7xl: 48px;

  /* Font Weights */
  --font-light: 300;
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;

  /* Sizes */
  --avatar-sm: 40px;
  --avatar-md: 45px;
  --avatar-lg: 120px;
  --button-sm: 40px;
  --button-md: 45px;
  --button-lg: 60px;
  --button-xl: 70px;

  /* Video Sizes */
  --video-pip-width: 120px;
  --video-pip-height: 160px;

  /* Z-index layers */
  --z-base: 1;
  --z-pip: 10;
  --z-controls: 20;
  --z-chat: 50;
  --z-call: 100;
  --z-modal: 200;
}

/* Dark mode - uncomment to enable */
/*
@media (prefers-color-scheme: dark) {
  :root {
    --text-primary: #f0f0f0;
    --text-secondary: #ccc;
    --text-muted: #999;
    --text-placeholder: #777;

    --bg-gradient-main: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    --bg-card: rgba(30, 30, 30, 0.95);
    --bg-input: #2a2a3e;
    --bg-input-border: #3a3a4e;
    --bg-hover: #3a3a4e;
    --bg-button-secondary: #2a2a3e;
    --bg-button-secondary-hover: #3a3a4e;

    --border-color: #3a3a4e;
    --border-color-focus: #4ecca3;

    --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 2px 10px rgba(0, 0, 0, 0.4);
  }
}
*/

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-gradient-main);
  color: var(--text-primary);
  min-height: 100vh;
  min-height: 100dvh;
}

/* === Layout === */
.container {
  max-width: 500px;
  margin: 0 auto;
  padding: var(--spacing-xl);
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

/* === Typography === */
h1 {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  font-size: var(--font-4xl);
  font-weight: var(--font-light);
}

.contacts-list h2 {
  font-size: var(--font-md);
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: var(--spacing-lg);
}

.chat-user-info h3 {
  font-size: var(--font-2xl);
  font-weight: var(--font-medium);
}

/* === Auth Screens (Premium Design) === */

/* Auth screen base */
.auth-screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--spacing-xl);
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  min-height: 100dvh;
}

/* Decorative background circles */
.auth-decoration {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.decoration-circle {
  position: absolute;
  border-radius: 50%;
  opacity: 0.08;
  animation: float 20s ease-in-out infinite;
}

.decoration-circle.circle-1 {
  width: 300px;
  height: 300px;
  background: var(--color-primary);
  top: -100px;
  right: -100px;
  animation-delay: 0s;
}

.decoration-circle.circle-2 {
  width: 200px;
  height: 200px;
  background: #667eea;
  bottom: -50px;
  left: -50px;
  animation-delay: -7s;
}

.decoration-circle.circle-3 {
  width: 150px;
  height: 150px;
  background: var(--color-primary);
  top: 40%;
  left: -30px;
  animation-delay: -14s;
}

@keyframes float {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  25% {
    transform: translate(10px, -15px) scale(1.05);
  }
  50% {
    transform: translate(-5px, 10px) scale(0.95);
  }
  75% {
    transform: translate(-10px, -5px) scale(1.02);
  }
}

/* Auth Card - Main container */
.auth-card {
  background: var(--bg-card);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-3xl);
  width: 100%;
  max-width: 380px;
  box-shadow:
    0 4px 6px rgba(0, 0, 0, 0.05),
    0 10px 20px rgba(0, 0, 0, 0.08),
    0 20px 40px rgba(0, 0, 0, 0.04);
  position: relative;
  z-index: 1;
  animation: cardAppear 0.5s ease-out;
}

@keyframes cardAppear {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Auth Logo */
.auth-logo {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.auth-logo-img {
  width: 80px;
  height: 80px;
  object-fit: contain;
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 12px rgba(78, 204, 163, 0.25);
  animation: logoPulse 3s ease-in-out infinite;
}

.auth-logo-img.auth-logo-small {
  width: 60px;
  height: 60px;
}

@keyframes logoPulse {
  0%, 100% {
    box-shadow: 0 4px 12px rgba(78, 204, 163, 0.25);
  }
  50% {
    box-shadow: 0 6px 20px rgba(78, 204, 163, 0.4);
  }
}

/* Auth Title */
.auth-title {
  font-size: var(--font-5xl);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  text-align: center;
  margin: 0 0 var(--spacing-sm) 0;
  letter-spacing: -0.5px;
}

/* Auth Subtitle */
.auth-subtitle {
  font-size: var(--font-lg);
  color: var(--text-muted);
  text-align: center;
  margin: 0 0 var(--spacing-2xl) 0;
}

/* Auth Form */
.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

/* Input Group with Icon */
.input-group {
  position: relative;
  width: 100%;
}

.input-icon {
  position: absolute;
  left: var(--spacing-lg);
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--font-xl);
  z-index: 1;
  pointer-events: none;
}

.input-group input {
  width: 100%;
  padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-lg) 50px;
  font-size: var(--font-xl);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  background: var(--bg-input);
  color: var(--text-primary);
  outline: none;
  transition: all var(--transition-fast);
}

.input-group input:focus {
  border-color: var(--color-primary);
  background: var(--bg-card);
  box-shadow: 0 0 0 4px var(--color-primary-light);
}

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

/* Auth Buttons */
.auth-btn {
  width: 100%;
  padding: var(--spacing-lg) var(--spacing-xl);
  font-size: var(--font-xl);
  font-weight: var(--font-semibold);
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.auth-btn.primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, #3dbb92 100%);
  color: var(--text-white);
  box-shadow:
    0 4px 12px rgba(78, 204, 163, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.auth-btn.primary:hover {
  transform: translateY(-2px);
  box-shadow:
    0 8px 20px rgba(78, 204, 163, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.auth-btn.primary:active {
  transform: translateY(0);
  box-shadow:
    0 2px 8px rgba(78, 204, 163, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.auth-btn.secondary {
  background: var(--bg-input);
  color: var(--text-secondary);
  border: 2px solid var(--border-color);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.auth-btn.secondary:hover {
  background: var(--bg-hover);
  border-color: var(--color-primary);
  color: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.auth-btn .btn-text {
  flex: 1;
}

.auth-btn .btn-icon {
  font-size: var(--font-xl);
  opacity: 0.9;
}

.auth-btn .btn-icon-left {
  font-size: var(--font-xl);
  margin-right: var(--spacing-sm);
}

/* Auth Link Button (Back button) */
.auth-link-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: var(--font-md);
  padding: var(--spacing-md) var(--spacing-lg);
  cursor: pointer;
  transition: color var(--transition-fast);
  margin-top: var(--spacing-sm);
}

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

/* Auth Divider */
.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  margin: var(--spacing-md) 0;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-color);
}

.auth-divider span {
  color: var(--text-muted);
  font-size: var(--font-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Auth Choice Buttons */
.auth-choice-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

/* Auth Error Message */
.auth-error {
  color: var(--color-danger);
  font-size: var(--font-md);
  text-align: center;
  padding: var(--spacing-md);
  background: rgba(231, 76, 60, 0.1);
  border-radius: var(--radius-md);
  display: none;
  animation: shakeError 0.5s ease;
}

.auth-error:not(:empty) {
  display: block;
}

@keyframes shakeError {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
  20%, 40%, 60%, 80% { transform: translateX(5px); }
}

/* Auth Hint */
.auth-hint {
  font-size: var(--font-sm);
  color: var(--text-muted);
  text-align: center;
  line-height: 1.5;
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(78, 204, 163, 0.08);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-primary);
}

/* Legacy classes for backward compatibility */
.link-btn {
  background: transparent !important;
  color: var(--text-muted) !important;
  box-shadow: none !important;
  font-size: var(--font-md) !important;
  padding: var(--spacing-md) var(--spacing-xl) !important;
  font-weight: var(--font-normal) !important;
  border: none;
  cursor: pointer;
}

.link-btn:hover {
  color: var(--color-primary) !important;
  transform: none !important;
  box-shadow: none !important;
}

/* Responsive adjustments for auth screens */
@media (max-height: 700px) {
  .auth-card {
    padding: var(--spacing-xl);
  }

  .auth-logo-img {
    width: 60px;
    height: 60px;
  }

  .auth-title {
    font-size: var(--font-4xl);
  }
}

@media (max-width: 400px) {
  .auth-card {
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
  }

  .auth-title {
    font-size: var(--font-4xl);
  }

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

/* Main screen */
#main-screen {
  display: none;
  flex: 1;
  flex-direction: column;
}

/* === Header === */
.status-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--bg-card);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-xl);
  font-size: var(--font-md);
  box-shadow: var(--shadow-lg);
}

.logout-btn,
.sound-toggle-btn,
.invite-btn {
  padding: var(--spacing-sm) 12px;
  font-size: var(--font-base);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.logout-btn:hover,
.sound-toggle-btn:hover,
.invite-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.sound-toggle-btn,
.invite-btn {
  font-size: var(--font-xl);
  padding: var(--spacing-sm) var(--spacing-md);
}

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

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

/* === Contacts List === */
.contacts-list {
  flex: 1;
}

/* Contact item */
.contact-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px var(--spacing-lg);
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-md);
  transition: background var(--transition-fast);
  box-shadow: var(--shadow-md);
}

.contact-item.online {
  background: var(--bg-card);
  border-left: 3px solid var(--border-online);
  box-shadow: var(--shadow-online);
}

.contact-info {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  cursor: pointer;
}

.contact-avatar {
  width: var(--avatar-md);
  height: var(--avatar-md);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-2xl);
  font-weight: var(--font-semibold);
  color: var(--text-white);
  text-shadow: var(--text-shadow-avatar);
  flex-shrink: 0;
}

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

.contact-name {
  font-size: var(--font-xl);
  font-weight: var(--font-medium);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.unread-badge {
  background: var(--color-danger);
  color: var(--text-white);
  font-size: var(--font-sm);
  padding: 2px 6px;
  border-radius: var(--radius-md);
  font-weight: var(--font-semibold);
}

.contact-status {
  font-size: var(--font-base);
  color: var(--text-placeholder);
  /* FIX: Improved contrast for accessibility */
}

.contact-status.online {
  color: var(--color-success);
  /* FIX: Increased contrast - was too light */
  font-weight: var(--font-medium);
}

.contact-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.action-btn {
  width: var(--button-sm);
  height: var(--button-sm);
  border: none;
  border-radius: var(--radius-full);
  background: var(--bg-button-secondary);
  color: var(--text-secondary);
  font-size: var(--font-2xl);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
  /* FIX: Added focus state for accessibility */
}

.action-btn:hover {
  background: var(--bg-button-secondary-hover);
}

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

.action-btn.call-btn {
  background: transparent;
  width: auto;
  height: auto;
  padding: 4px;
}

.action-btn.call-btn:hover {
  background: transparent;
}

.action-btn.call-btn.offline {
  opacity: 0.4;
}

/* Ear icon in buttons */
.ear-icon {
  width: 28px;
  height: 28px;
  object-fit: contain;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.2));
}

.action-btn .ear-icon {
  width: 32px;
  height: 32px;
}

.chat-call-btn .ear-icon {
  width: 22px;
  height: 22px;
}

.accept-btn .ear-icon {
  width: 36px;
  height: 36px;
}

/* Swipeable contact container */
.contact-swipe-container {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-md);
}

.contact-swipe-content {
  position: relative;
  z-index: 2;
  transition: transform var(--transition-smooth);
  touch-action: pan-y;
}

.contact-swipe-content.swiping {
  transition: none;
}

.contact-delete-action {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 80px;
  background: var(--color-danger);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.contact-delete-action span {
  color: var(--text-white);
  font-size: var(--font-4xl);
}

.contact-swipe-container .contact-item {
  margin-bottom: 0;
}

.no-contacts {
  text-align: center;
  color: var(--text-muted);
  padding: var(--spacing-3xl) var(--spacing-xl);
  line-height: 1.6;
}

/* === Chat Screen === */
#chat-screen {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  height: 100vh;
  height: 100dvh;
  background: var(--bg-gradient-main);
  z-index: var(--z-chat);
  flex-direction: column;
  overflow: hidden;
}

.chat-header {
  display: flex;
  align-items: center;
  padding: var(--spacing-lg);
  background: var(--bg-card);
  gap: var(--spacing-lg);
  flex-shrink: 0;
  box-shadow: var(--shadow-lg);
}

.chat-back-btn {
  width: var(--button-sm);
  height: var(--button-sm);
  border: none;
  border-radius: var(--radius-full);
  background: var(--bg-button-secondary);
  color: var(--text-secondary);
  font-size: var(--font-3xl);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chat-avatar {
  width: var(--avatar-sm);
  height: var(--avatar-sm);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-xl);
  font-weight: var(--font-semibold);
  color: var(--text-white);
  text-shadow: var(--text-shadow-avatar);
  flex-shrink: 0;
}

.chat-user-info {
  flex: 1;
}

.chat-status {
  font-size: var(--font-base);
  color: var(--text-placeholder);
}

.chat-status.online {
  color: var(--color-success);
}

.chat-typing-indicator {
  font-size: var(--font-base);
  color: var(--color-primary);
  font-style: italic;
  animation: fadeIn 0.3s ease-in;
}

.chat-typing-indicator .dots {
  display: inline-block;
}

.chat-typing-indicator .dots span {
  animation: blink 1.4s infinite;
  animation-fill-mode: both;
}

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

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

.chat-call-btn {
  width: var(--button-md);
  height: var(--button-md);
  border: none;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--text-white);
  font-size: 22px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* === Chat Messages === */
.chat-messages {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.no-messages {
  text-align: center;
  color: var(--text-placeholder);
  padding: var(--spacing-4xl) var(--spacing-xl);
  font-size: var(--font-md);
}

.message {
  max-width: 80%;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-xl);
  position: relative;
}

.message.sent {
  align-self: flex-end;
  background: var(--color-primary);
  color: var(--text-white);
  border-bottom-right-radius: var(--radius-xs);
}

.message.received {
  align-self: flex-start;
  background: var(--bg-card);
  color: var(--text-primary);
  border-bottom-left-radius: var(--radius-xs);
  box-shadow: var(--shadow-xs);
}

.message-text {
  font-size: var(--font-lg);
  line-height: 1.4;
  word-wrap: break-word;
}

.message-time {
  font-size: var(--font-xs);
  opacity: 0.7;
  text-align: right;
  margin-top: 4px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
}

/* Message status icons */
.status-icon {
  font-size: var(--font-base);
  display: inline-block;
  margin-left: var(--spacing-xs);
  opacity: 0.8;
  transition: all var(--transition-smooth);
}

.message.sent .status-pending {
  color: var(--text-placeholder);
  opacity: 0.6;
}

.message.sent .status-sent {
  color: #ddd;
}

.message.sent .status-delivered {
  color: #ddd;
}

.message.sent .status-read {
  color: var(--color-primary);
  opacity: 1;
}

/* === Chat Input === */
.chat-input-area {
  display: flex;
  padding: var(--spacing-md) var(--spacing-lg);
  padding-bottom: max(var(--spacing-md), env(safe-area-inset-bottom));
  background: var(--bg-card);
  gap: var(--spacing-md);
  align-items: flex-end;
  flex-shrink: 0;
  position: relative;
  box-shadow: var(--shadow-input-top);
}

#chat-input {
  flex: 1;
  padding: 12px var(--spacing-2xl);
  font-size: var(--font-xl);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-3xl);
  background: var(--bg-input);
  color: var(--text-primary);
  outline: none;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.4;
  transition: border-color var(--transition-fast);
}

#chat-input:focus {
  border-color: var(--border-color-focus);
}

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

.emoji-btn {
  width: var(--button-sm);
  height: var(--button-sm);
  border: none;
  border-radius: var(--radius-full);
  background: var(--bg-button-secondary);
  color: var(--text-secondary);
  font-size: 22px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.emoji-btn:hover {
  background: var(--bg-button-secondary-hover);
}

.send-btn {
  width: var(--button-md);
  height: var(--button-md);
  border: none;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--text-white);
  font-size: var(--font-3xl);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* === Emoji Picker === */
.emoji-picker {
  position: absolute;
  bottom: 65px;
  left: var(--spacing-lg);
  right: var(--spacing-lg);
  max-width: 400px;
  background: var(--bg-card);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  display: none;
  flex-direction: column;
  max-height: 350px;
  border: 1px solid var(--border-color);
  animation: slideUp 0.3s ease;
}

.emoji-picker.show {
  display: flex;
}

.emoji-categories {
  display: flex;
  padding: var(--spacing-md) var(--spacing-sm) var(--spacing-sm);
  gap: var(--spacing-sm);
  border-bottom: 1px solid var(--border-color);
  overflow-x: auto;
  scrollbar-width: none;
}

.emoji-categories::-webkit-scrollbar {
  display: none;
}

.emoji-category-btn {
  min-width: var(--button-sm);
  height: var(--button-sm);
  border: none;
  background: transparent;
  font-size: var(--font-3xl);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.emoji-category-btn:hover {
  background: var(--bg-button-secondary);
}

.emoji-category-btn.active {
  background: rgba(78, 204, 163, 0.2);
}

.emoji-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  overflow-y: auto;
  max-height: 280px;
  scrollbar-width: thin;
  scrollbar-color: rgba(78, 204, 163, 0.5) transparent;
}

.emoji-grid::-webkit-scrollbar {
  width: 6px;
}

.emoji-grid::-webkit-scrollbar-track {
  background: transparent;
}

.emoji-grid::-webkit-scrollbar-thumb {
  background: rgba(78, 204, 163, 0.5);
  border-radius: 3px;
}

.emoji-item {
  width: 100%;
  aspect-ratio: 1;
  border: none;
  background: transparent;
  font-size: var(--font-4xl);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.emoji-item:hover {
  background: rgba(78, 204, 163, 0.2);
  transform: scale(1.2);
}

.emoji-item:active {
  transform: scale(0.95);
}

/* === Call Screen === */
#call-screen {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-call);
  z-index: var(--z-call);
}

.videos-container {
  width: 100%;
  height: 100%;
  position: relative;
}

#remote-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: var(--bg-video-placeholder);
  transition: all var(--transition-smooth);
}

#remote-video.video-big {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  z-index: var(--z-base);
  cursor: pointer;
}

#local-video {
  position: absolute;
  top: var(--spacing-xl);
  right: var(--spacing-xl);
  width: var(--video-pip-width);
  height: var(--video-pip-height);
  object-fit: contain;
  border-radius: var(--radius-lg);
  background: var(--bg-video-local);
  border: 2px solid var(--bg-white-30);
  transform: scaleX(-1);
  cursor: pointer;
  z-index: var(--z-pip);
  transition: all var(--transition-smooth);
}

/* Swapped video classes */
#local-video.video-big {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  border-radius: 0;
  border: none;
  z-index: var(--z-base);
}

#remote-video.video-small {
  position: absolute;
  top: var(--spacing-xl);
  right: var(--spacing-xl);
  width: var(--video-pip-width);
  height: var(--video-pip-height);
  object-fit: contain;
  border-radius: var(--radius-lg);
  background: var(--bg-video-local);
  border: 2px solid var(--bg-white-30);
  z-index: var(--z-pip);
  cursor: pointer;
}

.call-controls {
  position: absolute;
  bottom: var(--spacing-3xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--spacing-xl);
  z-index: var(--z-controls);
}

.call-controls button {
  width: var(--button-lg);
  height: var(--button-lg);
  border: none;
  border-radius: var(--radius-full);
  font-size: var(--font-4xl);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hangup-btn {
  background: var(--color-danger);
  color: var(--text-white);
}

.mute-btn,
.camera-btn,
.switch-camera-btn {
  background: var(--bg-white-20);
  color: var(--text-white);
}

.mute-btn.muted,
.camera-btn.off {
  background: var(--bg-white-50);
}

.volume-control {
  position: absolute;
  bottom: 120px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  background: var(--bg-call-overlay);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-3xl);
  z-index: var(--z-controls);
}

.volume-control span {
  font-size: var(--font-3xl);
}

.volume-slider {
  width: 150px;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--bg-white-30);
  border-radius: 3px;
  outline: none;
}

.volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: var(--spacing-xl);
  height: var(--spacing-xl);
  background: var(--color-primary);
  border-radius: var(--radius-full);
  cursor: pointer;
}

.call-status {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  font-size: var(--font-3xl);
  z-index: var(--z-controls);
}

/* === Incoming Call Modal === */
#incoming-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-incoming-modal);
  z-index: var(--z-modal);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-3xl);
}

.caller-avatar {
  width: var(--avatar-lg);
  height: var(--avatar-lg);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-7xl);
  font-weight: var(--font-semibold);
  color: var(--text-white);
  text-shadow: var(--text-shadow-avatar-lg);
}

#incoming-modal .caller-name {
  font-size: var(--font-6xl);
  font-weight: var(--font-light);
}

#incoming-modal .caller-label {
  font-size: var(--font-xl);
  color: var(--bg-white-50);
}

.incoming-buttons {
  display: flex;
  gap: var(--spacing-4xl);
}

.incoming-buttons button {
  width: var(--button-xl);
  height: var(--button-xl);
  border: none;
  border-radius: var(--radius-full);
  font-size: var(--font-5xl);
  cursor: pointer;
}

.accept-btn {
  background: var(--color-success);
  color: var(--text-white);
}

.reject-btn {
  background: var(--color-danger);
  color: var(--text-white);
}

/* === Animations === */
@keyframes blink {
  0%, 80%, 100% {
    opacity: 0;
  }
  40% {
    opacity: 1;
  }
}

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

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(var(--spacing-xl));
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* === Utilities === */
.hidden {
  display: none !important;
}

/* Screen reader only - accessible but invisible */
.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;
}

/* Skip link - visible on focus */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: var(--text-white);
  padding: var(--spacing-md) var(--spacing-xl);
  text-decoration: none;
  border-radius: 0 0 var(--radius-md) 0;
  z-index: 9999;
  font-weight: var(--font-semibold);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
  outline: 2px solid var(--text-white);
  outline-offset: 2px;
}

/* === Media Queries === */
@media (max-width: 600px) {
  .emoji-grid {
    grid-template-columns: repeat(7, 1fr);
  }
}

@media (max-width: 400px) {
  .emoji-grid {
    grid-template-columns: repeat(6, 1fr);
  }

  .emoji-item {
    font-size: 22px;
  }
}

/* === Accessibility Improvements === */
/* FIX: Added focus states for all interactive elements */
button:focus,
input:focus,
.action-btn:focus,
.emoji-btn:focus,
.send-btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* FIX: Improved contrast for better readability */
.contact-status {
  /* Increased from #999 to #666 for better contrast */
  color: var(--text-secondary);
}

/* === App Version Footer === */
.app-version {
  position: fixed;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 11px;
  color: var(--text-muted);
  opacity: 0.6;
  pointer-events: none;
  z-index: 1;
}