:root {
  /* Primary Colors - Kenes Brand */
  --chat-primary: #662a0c;
  --chat-primary-light: #8b3710;
  --chat-primary-dark: #4a1e08;
  --chat-primary-gradient: linear-gradient(135deg, #662a0c 0%, #8b3710 100%);

  /* Secondary & Accent Colors */
  --chat-secondary: #f8f9fa;
  --chat-accent: #2ecc71;
  --chat-accent-hover: #27ae60;
  --chat-danger: #e74c3c;
  --chat-warning: #f39c12;
  --chat-info: #3498db;

  /* Text Colors */
  --chat-text-primary: #2c3e50;
  --chat-text-secondary: #7f8c8d;
  --chat-text-light: #bdc3c7;
  --chat-text-muted: #95a5a6;
  --chat-text-white: #ffffff;

  /* Background Colors */
  --chat-bg-primary: #ffffff;
  --chat-bg-secondary: #f8f9fa;
  --chat-bg-tertiary: #ecf0f1;
  --chat-bg-dark: #2c3e50;
  --chat-bg-overlay: rgba(0, 0, 0, 0.4);

  /* Glassmorphism Effects */
  --chat-glass-bg: rgba(255, 255, 255, 0.95);
  --chat-glass-border: rgba(255, 255, 255, 0.2);
  --chat-glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  --chat-backdrop-blur: blur(20px);

  /* Shadows - Modern Elevation System */
  --chat-shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --chat-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --chat-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --chat-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);
  --chat-shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.18);
  --chat-shadow-2xl: 0 24px 64px rgba(0, 0, 0, 0.22);

  /* Border Radius - Modern Rounded Corners */
  --chat-radius-xs: 4px;
  --chat-radius-sm: 8px;
  --chat-radius-md: 12px;
  --chat-radius-lg: 16px;
  --chat-radius-xl: 20px;
  --chat-radius-2xl: 24px;
  --chat-radius-full: 50px;

  /* Animations & Transitions */
  --chat-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --chat-transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --chat-transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --chat-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);

  /* Z-Index Layers */
  --chat-z-base: 1000;
  --chat-z-overlay: 9998;
  --chat-z-widget: 9999;
  --chat-z-modal: 10000;
  --chat-z-tooltip: 10001;

  /* Spacing System */
  --chat-space-xs: 4px;
  --chat-space-sm: 8px;
  --chat-space-md: 12px;
  --chat-space-lg: 16px;
  --chat-space-xl: 20px;
  --chat-space-2xl: 24px;
  --chat-space-3xl: 32px;
  --chat-space-4xl: 40px;

  /* Typography */
  --chat-font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    'Helvetica Neue', Arial, sans-serif;
  --chat-font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas,
    'Courier New', monospace;
  --chat-font-size-xs: 11px;
  --chat-font-size-sm: 13px;
  --chat-font-size-base: 14px;
  --chat-font-size-md: 15px;
  --chat-font-size-lg: 16px;
  --chat-font-size-xl: 18px;
  --chat-font-size-2xl: 20px;
  --chat-font-size-3xl: 24px;
  --chat-font-weight-normal: 400;
  --chat-font-weight-medium: 500;
  --chat-font-weight-semibold: 600;
  --chat-font-weight-bold: 700;

  /* Layout Dimensions - Desktop First */
  --chat-widget-width: 420px;
  --chat-widget-height: 640px;
  --chat-widget-max-width: calc(100vw - 32px);
  --chat-widget-max-height: calc(100vh - 120px);
  --chat-button-size: 64px;
  --chat-button-size-mobile: 56px;
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  :root {
    --chat-text-primary: #ffffff;
    --chat-text-secondary: #bdc3c7;
    --chat-text-light: #7f8c8d;
    --chat-bg-primary: #2c3e50;
    --chat-bg-secondary: #34495e;
    --chat-bg-tertiary: #3a4f66;
    --chat-glass-bg: rgba(44, 62, 80, 0.95);
    --chat-glass-border: rgba(255, 255, 255, 0.1);
  }
}

/* ================================= Reset & Base Styles ================================= */
#chatWidget,
#chatWidget * {
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

#chatWidget {
  font-family: var(--chat-font-family);
  font-size: var(--chat-font-size-base);
  line-height: 1.5;
  color: var(--chat-text-primary);
}

/* ================================= Chat Widget Container ================================= */
#chatWidget {
  position: fixed;
  bottom: var(--chat-space-xl);
  right: var(--chat-space-xl);
  z-index: var(--chat-z-widget);
  pointer-events: none;
  transition: var(--chat-transition);
}

#chatWidget * {
  pointer-events: auto;
}

.chat-widget-wrapper {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

/* Enhanced Chat Label di atas button */
.chat-widget-label {
  position: relative;
  background: linear-gradient(135deg, #62411e 0%, #8b5a3c 100%);
  color: white;
  padding: 8px 16px;
  border-radius: 25px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  box-shadow: 0 4px 15px rgba(98, 65, 30, 0.3);
  opacity: 0;
  transform: translateY(10px) scale(0.9);
  animation: labelBounceIn 0.6s ease forwards;
  animation-delay: 1s;
  white-space: nowrap;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  overflow: hidden;
}

/* Gradient overlay untuk label */
.chat-widget-label::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  animation: shimmer 3s infinite;
}

/* Arrow pointing down dari label ke button */
.chat-label-arrow {
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 6px solid #8b5a3c;
}

/* Text animation inside label */
.chat-label-text {
  position: relative;
  z-index: 1;
  display: inline-block;
}

/* Enhanced Chat Button dengan lebih modern */
.chat-widget-button {
  position: relative;
  width: 65px;
  height: 65px;
  background: linear-gradient(135deg, #62411e 0%, #8b5a3c 100%);
  border: none;
  border-radius: 50%;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 5px 25px rgba(98, 65, 30, 0.4);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.1);
  animation: buttonPulse 2s ease-in-out infinite;
}

/* Glass effect overlay */
.chat-widget-button::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.25) 0%,
    rgba(255, 255, 255, 0.05) 100%
  );
  pointer-events: none;
  transition: opacity 0.3s ease;
}

/* Ripple effect on hover */
.chat-widget-button::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.3) 0%,
    transparent 70%
  );
  transform: translate(-50%, -50%) scale(0);
  transition: transform 0.5s ease;
}

/* Button inner content */
.chat-button-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  transition: transform 0.3s ease;
}

.chat-button-inner i {
  font-size: 24px;
  transition: transform 0.3s ease;
}

.chat-button-text {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  opacity: 0.9;
}

/* Hover Effects */
.chat-widget-button:hover {
  transform: translateY(-3px) scale(1.08);
  box-shadow: 0 8px 35px rgba(98, 65, 30, 0.5);
  background: linear-gradient(135deg, #7a3014 0%, #a04013 100%);
}

.chat-widget-button:hover::before {
  opacity: 0.4;
}

.chat-widget-button:hover::after {
  transform: translate(-50%, -50%) scale(1.5);
}

.chat-widget-button:hover .chat-button-inner i {
  transform: rotate(10deg) scale(1.1);
}

/* Active state */
.chat-widget-button:active {
  transform: translateY(-1px) scale(1.05);
  transition: all 0.1s ease;
}

/* Notification Badge Enhanced */
.chat-notification-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  min-width: 22px;
  height: 22px;
  background: linear-gradient(135deg, #ff4444 0%, #cc0000 100%);
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  color: white;
  border: 2px solid white;
  box-shadow: 0 2px 8px rgba(255, 0, 0, 0.4);
  animation: badgePop 0.3s ease;
  z-index: 3;
}

/* Connection Status Enhanced */
.chat-connection-status {
  position: absolute;
  bottom: 2px;
  right: 2px;
  width: 14px;
  height: 14px;
  background: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  z-index: 3;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  transition: background-color 0.3s ease;
}

.status-dot.online {
  background: #4caf50;
  animation: statusPulse 2s ease-in-out infinite;
}

.status-dot.offline {
  background: #999;
}

/* Animations */
@keyframes labelBounceIn {
  0% {
    opacity: 0;
    transform: translateY(10px) scale(0.9);
  }
  60% {
    opacity: 1;
    transform: translateY(-2px) scale(1.02);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes buttonPulse {
  0%,
  100% {
    box-shadow: 0 5px 25px rgba(98, 65, 30, 0.4);
  }
  50% {
    box-shadow: 0 5px 30px rgba(98, 65, 30, 0.6);
  }
}

@keyframes shimmer {
  100% {
    left: 100%;
  }
}

@keyframes badgePop {
  0% {
    transform: scale(0);
  }
  60% {
    transform: scale(1.2);
  }
  100% {
    transform: scale(1);
  }
}

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

/* Label animation on hover */
.chat-widget-wrapper:hover .chat-widget-label {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 6px 20px rgba(98, 65, 30, 0.4);
}

/* Floating animation untuk label */
@keyframes floatLabel {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-3px);
  }
}

.chat-widget-label {
  animation: labelBounceIn 0.6s ease forwards,
    floatLabel 3s ease-in-out infinite;
  animation-delay: 1s, 2s;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .chat-widget-wrapper {
    bottom: 20px;
    right: 20px;
  }

  .chat-widget-button {
    width: 60px;
    height: 60px;
  }

  .chat-button-inner i {
    font-size: 22px;
  }

  .chat-widget-label {
    font-size: 11px;
    padding: 6px 12px;
  }
}

/* Hide label on very small screens */
@media (max-width: 480px) {
  .chat-widget-label {
    display: none;
  }

  .chat-widget-button {
    width: 55px;
    height: 55px;
  }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  .chat-widget-label {
    border: 1px solid rgba(255, 255, 255, 0.3);
  }

  .chat-widget-button {
    border: 2px solid rgba(255, 255, 255, 0.2);
  }
}

/* ================================= Chat Button - Modern Floating Action Button ================================= */
.chat-widget-button {
  position: relative;
  width: var(--chat-button-size);
  height: var(--chat-button-size);
  background: var(--chat-primary-gradient);
  border: none;
  border-radius: var(--chat-radius-full);
  color: var(--chat-text-white);
  font-size: 26px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--chat-shadow-lg);
  transition: var(--chat-transition);
  overflow: hidden;
  backdrop-filter: var(--chat-backdrop-blur);
  -webkit-backdrop-filter: var(--chat-backdrop-blur);
  border: 1px solid var(--chat-glass-border);
}

.chat-widget-button::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.2) 0%,
    rgba(255, 255, 255, 0.05) 100%
  );
  pointer-events: none;
  transition: var(--chat-transition-fast);
}

.chat-widget-button:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: var(--chat-shadow-2xl);
  background: linear-gradient(135deg, #7a3014 0%, #a04013 100%);
}

.chat-widget-button:hover::before {
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.3) 0%,
    rgba(255, 255, 255, 0.1) 100%
  );
}

.chat-widget-button:active {
  transform: translateY(-2px) scale(1.02);
  transition: var(--chat-transition-fast);
}

.chat-widget-button i {
  position: relative;
  z-index: 2;
  transition: var(--chat-transition-fast);
}

.chat-widget-button:hover i {
  transform: scale(1.1);
}

/* Pulse Animation for Attention */
@keyframes pulseButton {
  0%,
  100% {
    transform: scale(1);
    box-shadow: var(--chat-shadow-lg);
  }
  50% {
    transform: scale(1.05);
    box-shadow: var(--chat-shadow-xl);
  }
}

.chat-widget-button.pulse {
  animation: pulseButton 2s ease-in-out infinite;
}

/* ================================= Notification Badge ================================= */
.chat-notification-badge {
  position: absolute;
  top: -6px;
  right: -6px;
  background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
  color: var(--chat-text-white);
  border-radius: var(--chat-radius-full);
  min-width: 24px;
  height: 24px;
  font-size: var(--chat-font-size-xs);
  font-weight: var(--chat-font-weight-bold);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 3px solid var(--chat-bg-primary);
  box-shadow: var(--chat-shadow-md);
  animation: pulseNotification 2s infinite;
  z-index: 3;
}

@keyframes pulseNotification {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.15);
    opacity: 0.9;
  }
}

/* ================================= Connection Status Indicator ================================= */
.chat-connection-status {
  position: absolute;
  top: -2px;
  right: -2px;
  z-index: 4;
}

.status-dot {
  width: 14px;
  height: 14px;
  border-radius: var(--chat-radius-full);
  border: 3px solid var(--chat-bg-primary);
  background-color: var(--chat-accent);
  box-shadow: var(--chat-shadow-sm);
  transition: var(--chat-transition);
}

.status-dot.online {
  background-color: var(--chat-accent);
  animation: statusPulse 2s infinite;
}

.status-dot.offline {
  background-color: var(--chat-danger);
  animation: none;
}

.status-dot.connecting {
  background-color: var(--chat-warning);
  animation: statusBlink 1s infinite;
}

@keyframes statusPulse {
  0%,
  100% {
    opacity: 1;
    box-shadow: 0 0 0 0 rgba(46, 204, 113, 0.4);
  }
  50% {
    opacity: 0.8;
    box-shadow: 0 0 0 8px rgba(46, 204, 113, 0);
  }
}

@keyframes statusBlink {
  0%,
  50% {
    opacity: 1;
  }
  51%,
  100% {
    opacity: 0.3;
  }
}

/* ================================= Chat Widget Container - Modern Glassmorphism ================================= */
.chat-widget-container {
  position: absolute;
  bottom: calc(var(--chat-button-size) + var(--chat-space-xl));
  right: 0;
  width: var(--chat-widget-width);
  max-width: var(--chat-widget-max-width);
  height: var(--chat-widget-height);
  max-height: var(--chat-widget-max-height);
  background: var(--chat-glass-bg);
  backdrop-filter: var(--chat-backdrop-blur);
  -webkit-backdrop-filter: var(--chat-backdrop-blur);
  border: 1px solid var(--chat-glass-border);
  border-radius: var(--chat-radius-2xl);
  box-shadow: var(--chat-shadow-2xl);
  display: none;
  flex-direction: column;
  overflow: hidden;
  transition: var(--chat-transition);
  isolation: isolate;
}

#chatWidget.active .chat-widget-container {
  display: flex;
  animation: slideUpModern 0.4s var(--chat-bounce);
}

@keyframes slideUpModern {
  from {
    opacity: 0;
    transform: translateY(32px) scale(0.95);
    filter: blur(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

.chat-widget-container.auto-opening {
  animation: autoPopupAnimation 0.5s var(--chat-bounce);
}

@keyframes autoPopupAnimation {
  0% {
    opacity: 0;
    transform: scale(0.8) translateY(20px) rotateX(15deg);
  }
  60% {
    opacity: 0.8;
    transform: scale(1.02) translateY(-2px) rotateX(0deg);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0) rotateX(0deg);
  }
}

/* ================================= Chat Header - Modern Design ================================= */
.chat-header {
  background: var(--chat-primary-gradient);
  color: var(--chat-text-white);
  padding: var(--chat-space-2xl) var(--chat-space-3xl);
  position: relative;
  flex-shrink: 0;
  border-radius: var(--chat-radius-2xl) var(--chat-radius-2xl) 0 0;
  overflow: hidden;
}

.chat-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.15) 0%,
    rgba(255, 255, 255, 0.05) 100%
  );
  border-radius: inherit;
  pointer-events: none;
}

.chat-header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 2;
}

.chat-header-info {
  display: flex;
  align-items: center;
  gap: var(--chat-space-md);
}

.chat-header-info h4 {
  margin: 0;
  font-size: var(--chat-font-size-xl);
  font-weight: var(--chat-font-weight-semibold);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.chat-header-info p {
  margin: 2px 0 0;
  font-size: var(--chat-font-size-sm);
  opacity: 0.9;
  font-weight: var(--chat-font-weight-medium);
}

/* ================================= Status Indicator in Header ================================= */
.chat-status-indicator {
  width: 12px;
  height: 12px;
  border-radius: var(--chat-radius-full);
  flex-shrink: 0;
  position: relative;
  border: 2px solid rgba(255, 255, 255, 0.3);
  transition: var(--chat-transition);
}

.chat-status-indicator.online {
  background: var(--chat-accent);
  box-shadow: 0 0 16px rgba(46, 204, 113, 0.4);
  animation: statusPulse 2s infinite;
}

.chat-status-indicator.offline {
  background: var(--chat-text-light);
}

/* ================================= Close Button - Modern ================================= */
.chat-close-btn {
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--chat-text-white);
  font-size: var(--chat-font-size-lg);
  cursor: pointer;
  padding: var(--chat-space-sm);
  border-radius: var(--chat-radius-sm);
  opacity: 0.8;
  transition: var(--chat-transition-fast);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chat-close-btn:hover {
  opacity: 1;
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.1);
}

.chat-close-btn:active {
  transform: scale(0.95);
}

/* ================================= Chat Body - Flexible Layout ================================= */
.chat-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
  background: var(--chat-bg-primary);
  position: relative;
}

/* ================================= Welcome Screen - Modern Onboarding ================================= */
.chat-welcome {
  padding: var(--chat-space-4xl) var(--chat-space-3xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  height: 100%;
  overflow-y: auto;
  flex: 1;
  background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
  scrollbar-width: thin;
  scrollbar-color: rgba(102, 42, 12, 0.2) transparent;
}

.chat-welcome::-webkit-scrollbar {
  width: 4px;
}

.chat-welcome::-webkit-scrollbar-track {
  background: transparent;
}

.chat-welcome::-webkit-scrollbar-thumb {
  background: rgba(102, 42, 12, 0.2);
  border-radius: var(--chat-radius-sm);
}

.chat-welcome h3 {
  margin: 0 0 var(--chat-space-md);
  color: var(--chat-text-primary);
  font-size: var(--chat-font-size-3xl);
  font-weight: var(--chat-font-weight-bold);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.chat-welcome p {
  margin: 0 0 var(--chat-space-4xl);
  color: var(--chat-text-secondary);
  line-height: 1.6;
  font-size: var(--chat-font-size-md);
  max-width: 280px;
  font-weight: var(--chat-font-weight-normal);
}

/* ================================= Form Styling - Modern Input Design ================================= */
.chat-form-group {
  margin-bottom: var(--chat-space-xl);
  text-align: left;
  width: 100%;
}

.chat-form-group label {
  display: block;
  margin-bottom: var(--chat-space-sm);
  color: var(--chat-text-primary);
  font-weight: var(--chat-font-weight-semibold);
  font-size: var(--chat-font-size-base);
  letter-spacing: -0.01em;
}

.chat-form-control {
  width: 100%;
  padding: var(--chat-space-md) var(--chat-space-lg);
  border: 2px solid var(--chat-bg-tertiary);
  border-radius: var(--chat-radius-md);
  font-size: var(--chat-font-size-md);
  font-family: inherit;
  background: var(--chat-bg-primary);
  color: var(--chat-text-primary);
  transition: var(--chat-transition-fast);
  resize: vertical;
  line-height: 1.5;
}

.chat-form-control:focus {
  outline: none;
  border-color: var(--chat-primary);
  box-shadow: 0 0 0 4px rgba(102, 42, 12, 0.1);
  transform: translateY(-1px);
}

.chat-form-control::placeholder {
  color: var(--chat-text-light);
  font-weight: var(--chat-font-weight-normal);
}

.chat-form-control:invalid {
  border-color: var(--chat-danger);
}

.chat-form-control:invalid:focus {
  box-shadow: 0 0 0 4px rgba(231, 76, 60, 0.1);
}

/* ================================= Role Selection - Mobile Optimized ================================= */
.role-selection {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--chat-space-md);
  margin-top: var(--chat-space-sm);
}

.role-option {
  padding: var(--chat-space-lg) var(--chat-space-md);
  border: 2px solid var(--chat-bg-tertiary);
  border-radius: var(--chat-radius-md);
  text-align: center;
  cursor: pointer;
  transition: var(--chat-transition-fast);
  background: var(--chat-bg-primary);
  position: relative;
  overflow: hidden;
  min-height: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--chat-space-xs);
}

.role-option::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--chat-primary-gradient);
  opacity: 0;
  transition: var(--chat-transition-fast);
}

.role-option:hover {
  border-color: var(--chat-primary);
  transform: translateY(-2px);
  box-shadow: var(--chat-shadow-sm);
}

.role-option:hover::before {
  opacity: 0.05;
}

.role-option.active {
  border-color: var(--chat-primary);
  background: linear-gradient(
    135deg,
    rgba(102, 42, 12, 0.08) 0%,
    rgba(139, 55, 16, 0.08) 100%
  );
  color: var(--chat-primary);
  transform: translateY(-1px);
  box-shadow: var(--chat-shadow-md);
}

.role-option i {
  display: block;
  font-size: 24px;
  position: relative;
  z-index: 2;
  transition: var(--chat-transition-fast);
  margin-bottom: var(--chat-space-xs);
}

.role-option.active i {
  transform: scale(1.1);
  color: var(--chat-primary);
}

.role-option div {
  font-size: var(--chat-font-size-sm);
  font-weight: var(--chat-font-weight-semibold);
  position: relative;
  z-index: 2;
  line-height: 1.3;
}

/* ================================= Modern Button Design ================================= */
.chat-btn {
  width: 100%;
  padding: var(--chat-space-lg) var(--chat-space-2xl);
  background: var(--chat-primary-gradient);
  border: none;
  border-radius: var(--chat-radius-md);
  color: var(--chat-text-white);
  font-size: var(--chat-font-size-md);
  font-weight: var(--chat-font-weight-semibold);
  cursor: pointer;
  transition: var(--chat-transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--chat-space-sm);
  letter-spacing: -0.01em;
  position: relative;
  overflow: hidden;
  min-height: 48px;
}

.chat-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.1) 0%,
    rgba(255, 255, 255, 0.05) 100%
  );
  transition: var(--chat-transition-fast);
}

.chat-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--chat-shadow-lg);
  background: linear-gradient(135deg, #7a3014 0%, #4a1e08 100%);
}

.chat-btn:hover::before {
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.2) 0%,
    rgba(255, 255, 255, 0.1) 100%
  );
}

.chat-btn:active {
  transform: translateY(0);
  transition: var(--chat-transition-fast);
}

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

/* ================================= Chat Messages - Enhanced Scrolling System ================================= */
.chat-messages {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--chat-bg-primary);
  min-height: 0;
  position: relative;
}

.chat-message:last-of-type {
  margin-bottom: 0; /* Remove extra margin */
}

.chat-message + .chat-message {
  margin-top: 16px;
}

#messagesContainer {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--chat-space-lg) var(--chat-space-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--chat-space-lg);
  scrollbar-width: thin;
  scrollbar-color: rgba(102, 42, 12, 0.2) transparent;
  scroll-behavior: smooth;
  scroll-padding-bottom: 20px;
}

#messagesContainer::-webkit-scrollbar {
  width: 6px;
}

#messagesContainer::-webkit-scrollbar-track {
  background: transparent;
}

#messagesContainer::-webkit-scrollbar-thumb {
  background: rgba(102, 42, 12, 0.2);
  border-radius: var(--chat-radius-sm);
  transition: var(--chat-transition-fast);
}

#messagesContainer::-webkit-scrollbar-thumb:hover {
  background: rgba(102, 42, 12, 0.4);
}

.chat-body.has-messages .chat-messages {
  display: flex !important;
  flex: 1;
  min-height: 0;
}

/* ================================= Message Styling - Modern Chat Bubbles ================================= */
.chat-message {
  flex-shrink: 0;
  opacity: 0;
  transform: translateY(10px);
  transition: var(--chat-transition);
  animation: messageSlideIn 0.3s ease forwards;
}

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

.chat-message.visible {
  opacity: 1;
  transform: translateY(0);
}

.chat-message.sending {
  opacity: 0.7;
}

.chat-message.guest {
  text-align: right;
}

.chat-message.operator,
.chat-message.system {
  text-align: left;
}

.message-content {
  display: inline-block;
  max-width: 85%;
  position: relative;
}

/* Message Text Bubbles */
.message-text {
  padding: var(--chat-space-md) var(--chat-space-lg);
  border-radius: var(--chat-radius-lg);
  word-wrap: break-word;
  word-break: break-word;
  font-size: var(--chat-font-size-base);
  line-height: 1.5;
  position: relative;
  box-shadow: var(--chat-shadow-xs);
  font-weight: var(--chat-font-weight-normal);
}

.chat-message.guest .message-text {
  background: var(--chat-primary-gradient);
  color: var(--chat-text-white);
  border-bottom-right-radius: 6px;
  margin-left: auto;
  box-shadow: var(--chat-shadow-sm);
}

.chat-message.operator .message-text {
  background: var(--chat-glass-bg);
  color: var(--chat-text-primary);
  border-bottom-left-radius: 6px;
  border: 1px solid rgba(52, 152, 219, 0.1);
  box-shadow: 0 2px 8px rgba(52, 152, 219, 0.08);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.chat-message.system .message-text {
  background: linear-gradient(
    135deg,
    rgba(243, 156, 18, 0.1) 0%,
    rgba(230, 126, 34, 0.1) 100%
  );
  color: #e67e22;
  text-align: center;
  font-style: italic;
  border-radius: var(--chat-radius-lg);
  border: 1px solid rgba(243, 156, 18, 0.2);
  font-weight: var(--chat-font-weight-medium);
}

/* ================================= Message Meta Information ================================= */
.message-meta {
  margin-top: var(--chat-space-xs);
  font-size: var(--chat-font-size-xs);
  color: var(--chat-text-light);
  display: flex;
  align-items: center;
  gap: var(--chat-space-xs);
  font-weight: var(--chat-font-weight-medium);
}

.chat-message.guest .message-meta {
  justify-content: flex-end;
}

.message-sender {
  font-weight: var(--chat-font-weight-semibold);
  color: var(--chat-text-secondary);
}

.message-time {
  opacity: 0.8;
}

.message-status {
  font-style: italic;
  opacity: 0.7;
}

.message-read-status {
  color: var(--chat-accent);
  font-size: 10px;
}

/* ================================= File Messages ================================= */
.file-link {
  color: inherit;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--chat-space-sm);
  padding: var(--chat-space-sm) var(--chat-space-md);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--chat-radius-sm);
  transition: var(--chat-transition-fast);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.file-link:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
  box-shadow: var(--chat-shadow-xs);
  text-decoration: none;
  color: inherit;
}

/* ================================= Typing Indicator ================================= */
.typing-indicator {
  flex-shrink: 0;
  text-align: left;
  animation: fadeInUp 0.3s ease;
  padding: 0 var(--chat-space-2xl);
  margin-bottom: var(--chat-space-md);
}

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

.typing-content {
  display: inline-block;
  background: var(--chat-glass-bg);
  padding: var(--chat-space-md) var(--chat-space-lg);
  border-radius: var(--chat-radius-lg);
  border-bottom-left-radius: 6px;
  color: var(--chat-text-secondary);
  font-size: var(--chat-font-size-sm);
  font-style: italic;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--chat-glass-border);
  box-shadow: var(--chat-shadow-xs);
  font-weight: var(--chat-font-weight-medium);
}

.typing-dots {
  display: inline-flex;
  gap: 3px;
  margin-left: var(--chat-space-sm);
  align-items: center;
}

.typing-dots span {
  width: 6px;
  height: 6px;
  background: var(--chat-text-light);
  border-radius: var(--chat-radius-full);
  animation: typingDot 1.5s infinite ease-in-out;
}

.typing-dots span:nth-child(2) {
  animation-delay: 0.2s;
}
.typing-dots span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes typingDot {
  0%,
  60%,
  100% {
    opacity: 0.3;
    transform: scale(1);
  }
  30% {
    opacity: 1;
    transform: scale(1.3);
  }
}

/* ================================= Chat Input - Modern Input System ================================= */
.chat-input {
  padding: var(--chat-space-xl) var(--chat-space-2xl);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  background: var(--chat-bg-secondary);
  flex-shrink: 0;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.chat-input-group {
  display: flex;
  align-items: flex-end;
  gap: var(--chat-space-md);
  background: var(--chat-bg-primary);
  padding: var(--chat-space-sm);
  border-radius: var(--chat-radius-2xl);
  box-shadow: var(--chat-shadow-xs);
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: var(--chat-transition-fast);
}

.chat-input-group:focus-within {
  box-shadow: var(--chat-shadow-sm);
  border-color: var(--chat-primary);
}

.input-actions {
  display: flex;
  align-items: center;
}

.input-action-btn {
  width: 36px;
  height: 36px;
  background: transparent;
  border: none;
  color: var(--chat-text-secondary);
  cursor: pointer;
  border-radius: var(--chat-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--chat-transition-fast);
  font-size: var(--chat-font-size-lg);
}

.input-action-btn:hover {
  background: var(--chat-bg-secondary);
  color: var(--chat-primary);
  transform: scale(1.05);
}

.chat-input-field {
  flex: 1;
  padding: var(--chat-space-sm) var(--chat-space-lg);
  border: none;
  border-radius: var(--chat-radius-lg);
  font-size: var(--chat-font-size-base);
  font-family: inherit;
  resize: none;
  max-height: 100px;
  min-height: 20px;
  background: transparent;
  color: var(--chat-text-primary);
  transition: var(--chat-transition-fast);
  line-height: 1.5;
  font-weight: var(--chat-font-weight-normal);
}

.chat-input-field:focus {
  outline: none;
}

.chat-input-field::placeholder {
  color: var(--chat-text-light);
  font-weight: var(--chat-font-weight-normal);
}

/* Send Button */
.chat-send-btn {
  width: 44px;
  height: 44px;
  background: var(--chat-primary-gradient);
  border: none;
  border-radius: var(--chat-radius-full);
  color: var(--chat-text-white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--chat-transition-fast);
  flex-shrink: 0;
  box-shadow: var(--chat-shadow-sm);
  font-size: var(--chat-font-size-base);
}

.chat-send-btn:hover {
  transform: scale(1.05);
  box-shadow: var(--chat-shadow-md);
  background: linear-gradient(135deg, #7a3014 0%, #a04013 100%);
}

.chat-send-btn:active {
  transform: scale(0.98);
}

.chat-send-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* ================================= Quick Actions ================================= */
.quick-actions {
  display: flex;
  gap: var(--chat-space-sm);
  margin-top: var(--chat-space-md);
  flex-wrap: wrap;
}

.quick-action-btn {
  padding: var(--chat-space-sm) var(--chat-space-md);
  background: var(--chat-bg-secondary);
  border: 1px solid var(--chat-bg-tertiary);
  border-radius: var(--chat-radius-full);
  color: var(--chat-text-secondary);
  cursor: pointer;
  font-size: var(--chat-font-size-sm);
  font-weight: var(--chat-font-weight-medium);
  transition: var(--chat-transition-fast);
  white-space: nowrap;
}

.quick-action-btn:hover {
  background: var(--chat-primary);
  color: var(--chat-text-white);
  border-color: var(--chat-primary);
  transform: translateY(-1px);
  box-shadow: var(--chat-shadow-xs);
}

/* ================================= Toast Notifications ================================= */
.chat-toast {
  position: fixed;
  top: var(--chat-space-2xl);
  right: var(--chat-space-2xl);
  background: var(--chat-glass-bg);
  backdrop-filter: var(--chat-backdrop-blur);
  -webkit-backdrop-filter: var(--chat-backdrop-blur);
  border-radius: var(--chat-radius-md);
  box-shadow: var(--chat-shadow-lg);
  border: 1px solid var(--chat-glass-border);
  z-index: var(--chat-z-modal);
  opacity: 0;
  transform: translateX(100%);
  transition: var(--chat-transition);
  max-width: 360px;
  overflow: hidden;
}

.chat-toast.show {
  opacity: 1;
  transform: translateX(0);
}

.chat-toast-success {
  border-left: 4px solid var(--chat-accent);
}
.chat-toast-error {
  border-left: 4px solid var(--chat-danger);
}
.chat-toast-info {
  border-left: 4px solid var(--chat-info);
}
.chat-toast-warning {
  border-left: 4px solid var(--chat-warning);
}

.toast-content {
  padding: var(--chat-space-lg) var(--chat-space-xl);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--chat-space-md);
}

.toast-message {
  flex: 1;
  font-size: var(--chat-font-size-base);
  color: var(--chat-text-primary);
  font-weight: var(--chat-font-weight-medium);
  line-height: 1.4;
}

.toast-close {
  background: none;
  border: none;
  font-size: var(--chat-font-size-xl);
  color: var(--chat-text-light);
  cursor: pointer;
  padding: var(--chat-space-xs);
  transition: var(--chat-transition-fast);
  border-radius: var(--chat-radius-xs);
  line-height: 1;
  flex-shrink: 0;
}

.toast-close:hover {
  color: var(--chat-text-secondary);
  background: rgba(0, 0, 0, 0.05);
  transform: scale(1.1);
}

/* ================================= RESPONSIVE DESIGN - ENHANCED MOBILE SUPPORT ================================= */

/* Large Tablet (1024px and down) */
@media (max-width: 1024px) {
  :root {
    --chat-widget-width: 380px;
    --chat-widget-height: 580px;
  }
}

/* Standard Tablet (768px and down) */
@media (max-width: 768px) {
  :root {
    --chat-widget-width: calc(100vw - 32px);
    --chat-widget-height: calc(100vh - 120px);
    --chat-button-size: var(--chat-button-size-mobile);
  }

  #chatWidget {
    bottom: var(--chat-space-lg);
    right: var(--chat-space-lg);
  }

  .chat-widget-container {
    bottom: calc(var(--chat-button-size-mobile) + var(--chat-space-lg));
    right: 0;
    max-width: calc(100vw - 32px);
    max-height: calc(100vh - 120px);
    border-radius: var(--chat-radius-xl);
  }

  .chat-header {
    padding: var(--chat-space-lg) var(--chat-space-xl);
    border-radius: var(--chat-radius-xl) var(--chat-radius-xl) 0 0;
  }

  .chat-header-info h4 {
    font-size: var(--chat-font-size-lg);
  }

  .chat-welcome {
    padding: var(--chat-space-3xl) var(--chat-space-xl);
  }

  .chat-welcome h3 {
    font-size: var(--chat-font-size-2xl);
  }

  .role-selection {
    grid-template-columns: 1fr;
    gap: var(--chat-space-sm);
  }

  #messagesContainer {
    padding: var(--chat-space-lg) var(--chat-space-xl);
  }

  .chat-input {
    padding: var(--chat-space-lg) var(--chat-space-xl);
  }

  .message-content {
    max-width: 90%;
  }

  .chat-toast {
    right: var(--chat-space-lg);
    left: var(--chat-space-lg);
    max-width: none;
  }
}

/* Small Mobile (480px and down) - OPTIMIZED NON-FULLSCREEN */
@media (max-width: 480px) {
  :root {
    /* Mobile dimensions - responsive but not fullscreen */
    --chat-widget-width: calc(100vw - 20px);
    --chat-widget-height: min(85vh, 600px);
    --chat-button-size: 52px;
  }

  #chatWidget {
    bottom: 16px;
    right: 10px;
  }

  .chat-widget-container {
    /* Positioned to be responsive but not fullscreen */
    bottom: calc(var(--chat-button-size) + 16px);
    right: 0;
    width: var(--chat-widget-width);
    height: var(--chat-widget-height);
    max-width: calc(100vw - 20px);
    max-height: min(85vh, 600px);
    border-radius: var(--chat-radius-lg);
    /* Ensure it doesn't cover entire screen */
    top: auto;
    left: auto;
  }

  .chat-header {
    padding: 16px 20px;
    border-radius: var(--chat-radius-lg) var(--chat-radius-lg) 0 0;
  }

  .chat-header-info h4 {
    font-size: 16px;
  }

  .chat-header-info p {
    font-size: 12px;
  }

  .chat-close-btn {
    width: 32px;
    height: 32px;
    font-size: 14px;
  }

  .chat-welcome {
    padding: 24px 20px;
    gap: 16px;
  }

  .chat-welcome h3 {
    font-size: 20px;
    margin-bottom: 12px;
  }

  .chat-welcome p {
    font-size: 14px;
    margin-bottom: 24px;
    max-width: none;
  }

  /* Mobile Form Optimizations */
  .chat-form-group {
    margin-bottom: 16px;
  }

  .chat-form-group label {
    font-size: 14px;
    margin-bottom: 6px;
  }

  .chat-form-control {
    padding: 12px 16px;
    font-size: 14px;
    border-radius: 8px;
  }

  /* Mobile Role Selection - Single Column */
  .role-selection {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .role-option {
    padding: 16px 12px;
    min-height: 70px;
    border-radius: 8px;
  }

  .role-option i {
    font-size: 20px;
    margin-bottom: 4px;
  }

  .role-option div {
    font-size: 12px;
    line-height: 1.2;
  }

  /* Mobile Button */
  .chat-btn {
    padding: 14px 20px;
    font-size: 14px;
    border-radius: 8px;
    min-height: 44px;
  }

  /* Mobile Messages */
  #messagesContainer {
    padding: 16px 20px;
    gap: 12px;
  }

  .message-text {
    padding: 10px 14px;
    font-size: 14px;
    border-radius: 12px;
  }

  .chat-message.guest .message-text {
    border-bottom-right-radius: 4px;
  }

  .chat-message.operator .message-text {
    border-bottom-left-radius: 4px;
  }

  .message-meta {
    font-size: 11px;
    margin-top: 4px;
  }

  .message-content {
    max-width: 88%;
  }

  /* Mobile Input */
  .chat-input {
    padding: 16px 20px;
  }

  .chat-input-group {
    padding: 6px;
    border-radius: 20px;
  }

  .input-action-btn {
    width: 32px;
    height: 32px;
    font-size: 16px;
  }

  .chat-input-field {
    font-size: 14px;
    padding: 8px 12px;
  }

  .chat-send-btn {
    width: 36px;
    height: 36px;
    font-size: 14px;
  }

  /* Mobile Quick Actions */
  .quick-actions {
    gap: 6px;
    margin-top: 8px;
  }

  .quick-action-btn {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 16px;
  }

  /* Mobile Toast */
  .chat-toast {
    right: 10px;
    left: 10px;
    top: 16px;
    border-radius: 8px;
  }

  .toast-content {
    padding: 12px 16px;
  }

  .toast-message {
    font-size: 14px;
  }
}

/* Extra Small Mobile (360px and down) */
@media (max-width: 360px) {
  :root {
    --chat-widget-width: calc(100vw - 16px);
    --chat-widget-height: min(80vh, 550px);
    --chat-button-size: 48px;
  }

  #chatWidget {
    bottom: 12px;
    right: 8px;
  }

  .chat-widget-container {
    bottom: calc(var(--chat-button-size) + 12px);
    max-width: calc(100vw - 16px);
    max-height: min(80vh, 550px);
  }

  .chat-header {
    padding: 12px 16px;
  }

  .chat-header-info h4 {
    font-size: 15px;
  }

  .chat-welcome {
    padding: 20px 16px;
  }

  .chat-welcome h3 {
    font-size: 18px;
  }

  #messagesContainer {
    padding: 12px 16px;
  }

  .chat-input {
    padding: 12px 16px;
  }

  .role-option {
    padding: 12px 8px;
    min-height: 64px;
  }

  .role-option i {
    font-size: 18px;
  }

  .role-option div {
    font-size: 11px;
  }
}

/* Landscape Mobile Optimization */
@media (max-width: 768px) and (orientation: landscape) {
  :root {
    --chat-widget-height: min(90vh, 500px);
  }

  .chat-widget-container {
    max-height: min(90vh, 500px);
  }

  .chat-welcome {
    padding: 20px 24px;
  }

  .chat-welcome h3 {
    font-size: 18px;
    margin-bottom: 8px;
  }

  .chat-welcome p {
    font-size: 13px;
    margin-bottom: 20px;
  }

  #messagesContainer {
    padding: 12px 20px;
  }

  .chat-input {
    padding: 12px 20px;
  }
}

/* Accessibility Improvements for Mobile */
@media (max-width: 480px) {
  .chat-form-control:focus,
  .chat-input-field:focus,
  button:focus,
  .role-option:focus {
    outline: 2px solid var(--chat-primary);
    outline-offset: 1px;
    box-shadow: 0 0 0 3px rgba(102, 42, 12, 0.1);
  }

  /* Touch-friendly button sizes */
  .chat-btn,
  .role-option,
  .quick-action-btn,
  .chat-send-btn,
  .input-action-btn {
    min-height: 44px;
    min-width: 44px;
  }
}

/* High DPI Display Support */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .chat-widget-button,
  .chat-send-btn,
  .status-dot {
    backface-visibility: hidden;
    transform: translateZ(0);
  }
}

/* Performance Optimizations for Mobile */
@media (max-width: 768px) {
  .chat-widget-button,
  .chat-widget-container,
  .chat-message,
  .chat-toast {
    will-change: auto;
  }

  /* Reduce animations on low-end devices */
  @media (prefers-reduced-motion: reduce) {
    .chat-widget-container,
    .chat-message,
    .chat-toast,
    .chat-btn {
      animation: none !important;
      transition: none !important;
    }
  }
}

/* Safe Area Support for notched devices */
@supports (padding: max(0px)) {
  @media (max-width: 480px) {
    .chat-widget-container {
      padding-bottom: max(0px, env(safe-area-inset-bottom));
    }

    .chat-input {
      padding-bottom: calc(
        var(--chat-space-lg) + max(0px, env(safe-area-inset-bottom))
      );
    }
  }
}

/* ================================= Utility Classes ================================= */
.chat-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;
}

.chat-hidden {
  display: none !important;
}
.chat-visible {
  display: block !important;
}
.chat-flex {
  display: flex !important;
}
.chat-text-center {
  text-align: center;
}
.chat-text-left {
  text-align: left;
}
.chat-text-right {
  text-align: right;
}

/* ================================= MOBILE-SPECIFIC ENHANCEMENTS ================================= */

/* Prevent zoom on input focus (iOS) */
@media (max-width: 480px) {
  .chat-form-control,
  .chat-input-field {
    font-size: 16px; /* Prevents zoom on iOS */
  }
}

/* Better scrolling performance on mobile */
@media (max-width: 768px) {
  #messagesContainer {
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
  }

  .chat-welcome {
    -webkit-overflow-scrolling: touch;
  }
}

/* Improve tap targets for mobile */
@media (max-width: 480px) {
  .chat-close-btn,
  .input-action-btn,
  .quick-action-btn {
    padding: 8px;
    border-radius: 8px;
  }

  .role-option {
    touch-action: manipulation;
  }

  .chat-btn {
    touch-action: manipulation;
  }
}

/* Hide elements that might cause layout issues on very small screens */
@media (max-width: 320px) {
  .chat-notification-badge {
    min-width: 20px;
    height: 20px;
    font-size: 10px;
  }

  .status-dot {
    width: 12px;
    height: 12px;
    border-width: 2px;
  }
}

/* ================================= 
   SCROLL HINT STYLING 
================================= */
.scroll-hint {
  position: absolute;
  bottom: 20px;
  right: 20px;
  z-index: 10;
  pointer-events: auto;
}

.scroll-hint-btn {
  background: var(--chat-primary-gradient);
  color: var(--chat-text-white);
  border: none;
  border-radius: 20px;
  padding: 8px 16px;
  font-size: 12px;
  font-weight: var(--chat-font-weight-medium);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: var(--chat-shadow-md);
  transition: var(--chat-transition-fast);
  animation: scrollHintPulse 2s infinite;
}

.scroll-hint-btn:hover {
  transform: scale(1.05);
  box-shadow: var(--chat-shadow-lg);
}

@keyframes scrollHintPulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.9;
  }
}

/* Mobile optimization */
@media (max-width: 480px) {
  .scroll-hint {
    bottom: 16px;
    right: 16px;
  }

  .scroll-hint-btn {
    padding: 6px 12px;
    font-size: 11px;
    border-radius: 16px;
  }
}

/* ================================= 
   AUTO-RESPONSE MESSAGE STYLES
================================= */

/* System/Bot messages dengan styling khusus */
.chat-message.system-message,
.chat-message.auto-response {
  text-align: left;
  margin-bottom: var(--chat-space-lg);
}

.chat-message.system-message .message-text,
.chat-message.auto-response .message-text {
  background: linear-gradient(
    135deg,
    rgba(52, 152, 219, 0.08) 0%,
    rgba(41, 128, 185, 0.12) 100%
  );
  color: var(--chat-text-primary);
  border-left: 4px solid var(--chat-info);
  border-radius: var(--chat-radius-lg);
  border-bottom-left-radius: 6px;
  position: relative;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 2px 12px rgba(52, 152, 219, 0.1);
  border: 1px solid rgba(52, 152, 219, 0.15);
}

/* Bot icon styling */
.bot-icon {
  color: var(--chat-info);
  margin-right: 6px;
  font-size: 12px;
  animation: botPulse 2s infinite;
}

.operator-icon {
  color: var(--chat-accent);
  margin-right: 6px;
  font-size: 12px;
}

.guest-icon {
  color: var(--chat-primary);
  margin-right: 6px;
  font-size: 12px;
}

@keyframes botPulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.1);
  }
}

/* Auto-response animation */
.chat-message.auto-response-animation {
  animation: autoResponseSlideIn 0.6s var(--chat-bounce);
}

@keyframes autoResponseSlideIn {
  0% {
    opacity: 0;
    transform: translateX(-20px) scale(0.95);
  }
  60% {
    opacity: 0.8;
    transform: translateX(2px) scale(1.02);
  }
  100% {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

/* Bot message dengan special styling */
.chat-message.system-message .message-text::before {
  content: '🤖';
  position: absolute;
  top: -8px;
  left: -8px;
  width: 20px;
  height: 20px;
  background: var(--chat-info);
  border-radius: var(--chat-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  box-shadow: var(--chat-shadow-sm);
}

/* ================================= 
   ENHANCED TYPING INDICATOR STYLES
================================= */

/* Enhanced typing indicator dengan better animation */
.typing-indicator {
  flex-shrink: 0;
  text-align: left;
  animation: fadeInUp 0.3s ease;
  padding: 0 var(--chat-space-2xl);
  margin-bottom: var(--chat-space-md);
  opacity: 0;
  transition: var(--chat-transition);
}

.typing-indicator.visible {
  opacity: 1;
}

.typing-indicator.removing {
  opacity: 0;
  transform: translateY(-10px);
  transition: var(--chat-transition-fast);
}

/* Auto-typing indicator (dari bot/system) */
.typing-indicator.auto-typing .typing-content {
  background: linear-gradient(
    135deg,
    rgba(52, 152, 219, 0.1) 0%,
    rgba(41, 128, 185, 0.15) 100%
  );
  border-left: 3px solid var(--chat-info);
  box-shadow: 0 2px 8px rgba(52, 152, 219, 0.1);
}

.typing-content {
  display: inline-block;
  background: var(--chat-glass-bg);
  padding: var(--chat-space-md) var(--chat-space-lg);
  border-radius: var(--chat-radius-lg);
  border-bottom-left-radius: 6px;
  color: var(--chat-text-secondary);
  font-size: var(--chat-font-size-sm);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--chat-glass-border);
  box-shadow: var(--chat-shadow-xs);
  font-weight: var(--chat-font-weight-medium);
  position: relative;
  overflow: hidden;
}

.typing-sender {
  display: flex;
  align-items: center;
  margin-bottom: var(--chat-space-xs);
  font-weight: var(--chat-font-weight-semibold);
}

.typing-sender i {
  margin-right: var(--chat-space-sm);
  font-size: 12px;
}

.typing-text {
  font-style: italic;
  color: var(--chat-text-secondary);
}

/* Enhanced typing dots animation */
.typing-dots {
  display: inline-flex;
  gap: 4px;
  align-items: center;
  margin-left: var(--chat-space-sm);
}

.typing-dots span {
  width: 8px;
  height: 8px;
  background: var(--chat-info);
  border-radius: var(--chat-radius-full);
  animation: typingDotEnhanced 1.4s infinite ease-in-out;
  opacity: 0.4;
}

.typing-dots span:nth-child(1) {
  animation-delay: 0s;
}

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

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

@keyframes typingDotEnhanced {
  0%,
  60%,
  100% {
    opacity: 0.4;
    transform: scale(1);
  }
  30% {
    opacity: 1;
    transform: scale(1.4);
  }
}

/* Auto-typing specific styles */
.typing-indicator.auto-typing .typing-dots span {
  background: var(--chat-info);
  box-shadow: 0 0 6px rgba(52, 152, 219, 0.3);
}

/* ================================= 
   MESSAGE SENDER ENHANCEMENTS
================================= */

.message-sender {
  display: flex;
  align-items: center;
  font-weight: var(--chat-font-weight-semibold);
  color: var(--chat-text-secondary);
  font-size: var(--chat-font-size-xs);
}

.message-sender i {
  margin-right: 4px;
  font-size: 10px;
}

/* Different colors untuk different sender types */
.chat-message.system-message .message-sender {
  color: var(--chat-info);
}

.chat-message.operator .message-sender {
  color: var(--chat-accent);
}

.chat-message.guest .message-sender {
  color: rgba(255, 255, 255, 0.9);
}

/* ================================= 
   NOTIFICATION ENHANCEMENTS
================================= */

/* Enhanced notification badge untuk auto-response */
.chat-notification-badge.auto-response {
  background: linear-gradient(135deg, var(--chat-info) 0%, #2980b9 100%);
  animation: pulseAutoResponse 2s infinite;
}

@keyframes pulseAutoResponse {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.9;
  }
}

/* ================================= 
   MOBILE RESPONSIVENESS
================================= */

@media (max-width: 480px) {
  /* Mobile typing indicator */
  .typing-indicator {
    padding: 0 var(--chat-space-lg);
  }

  .typing-content {
    padding: var(--chat-space-sm) var(--chat-space-md);
    font-size: var(--chat-font-size-xs);
  }

  .typing-sender {
    margin-bottom: 4px;
  }

  .typing-dots {
    margin-left: var(--chat-space-xs);
  }

  .typing-dots span {
    width: 6px;
    height: 6px;
  }

  /* Mobile bot message */
  .chat-message.system-message .message-text::before {
    width: 16px;
    height: 16px;
    top: -6px;
    left: -6px;
    font-size: 8px;
  }

  /* Mobile icons */
  .bot-icon,
  .operator-icon,
  .guest-icon {
    font-size: 10px;
    margin-right: 4px;
  }

  .message-sender {
    font-size: 10px;
  }

  .message-sender i {
    font-size: 8px;
    margin-right: 3px;
  }
}

/* ================================= 
   ACCESSIBILITY ENHANCEMENTS
================================= */

/* High contrast mode support */
@media (prefers-contrast: high) {
  .chat-message.system-message .message-text,
  .chat-message.auto-response .message-text {
    border-left-width: 6px;
    border-color: var(--chat-info);
  }

  .typing-content {
    border: 2px solid var(--chat-info);
  }

  .bot-icon,
  .typing-dots span {
    background: var(--chat-info);
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .chat-message.auto-response-animation,
  .typing-indicator,
  .bot-icon,
  .typing-dots span {
    animation: none !important;
  }

  .typing-indicator {
    opacity: 1;
  }

  .typing-dots span {
    opacity: 1;
    transform: none;
  }
}

/* ================================= 
   DARK MODE ENHANCEMENTS
================================= */

@media (prefers-color-scheme: dark) {
  .chat-message.system-message .message-text,
  .chat-message.auto-response .message-text {
    background: linear-gradient(
      135deg,
      rgba(52, 152, 219, 0.15) 0%,
      rgba(41, 128, 185, 0.2) 100%
    );
    border-color: rgba(52, 152, 219, 0.4);
    color: var(--chat-text-primary);
  }

  .typing-indicator.auto-typing .typing-content {
    background: linear-gradient(
      135deg,
      rgba(52, 152, 219, 0.15) 0%,
      rgba(41, 128, 185, 0.2) 100%
    );
    border-left-color: rgba(52, 152, 219, 0.4);
  }

  .typing-text {
    color: rgba(255, 255, 255, 0.8);
  }
}

/* ================================= 
   PERFORMANCE OPTIMIZATIONS
================================= */

/* GPU acceleration untuk smooth animations */
.chat-message.auto-response-animation,
.typing-indicator,
.typing-dots span,
.bot-icon {
  will-change: transform;
  backface-visibility: hidden;
  transform: translateZ(0);
}

/* Contain layout untuk better performance */
.typing-indicator,
.chat-message.system-message,
.chat-message.auto-response {
  contain: layout style paint;
}

/* ================================= 
   UTILITY CLASSES
================================= */

.chat-auto-response-enabled .chat-message.system-message {
  border-left-color: var(--chat-info);
}

.chat-typing-active .messages-container {
  padding-bottom: var(--chat-space-lg);
}

.chat-bot-message {
  position: relative;
}

.chat-bot-message::after {
  content: 'Bot';
  position: absolute;
  top: -8px;
  right: 8px;
  background: var(--chat-info);
  color: white;
  font-size: 8px;
  padding: 2px 6px;
  border-radius: var(--chat-radius-xs);
  font-weight: var(--chat-font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}