/**
 * Kiosk Chat Widget - Styling
 *
 * Provides responsive bubble and window styling for the embedded chat widget.
 * Supports dark mode via CSS custom properties.
 * Uses flexbox for layout and CSS animations for interactions.
 */

/* CSS Custom Properties for Dark Mode Support */
:root {
  --widget-bubble-bg-from: var(--color-primary);
  --widget-bubble-bg-to: var(--color-primary-dark);
  --widget-bubble-icon-color: var(--color-text-inverse);
  --widget-online-indicator-color: var(--color-success);
  --widget-window-bg: var(--color-bg-primary);
  --widget-header-bg: var(--color-bg-secondary);
  --widget-border-color: var(--color-border-light);
  --widget-title-color: var(--color-text-primary);
  --widget-text-secondary: var(--color-text-secondary);
  --widget-hover-bg: var(--color-bg-tertiary);
  --widget-close-hover-bg: var(--color-error-50);
  --widget-close-color: var(--color-error);
  --widget-shadow: rgba(0, 0, 0, 0.15);
  --widget-shadow-hover: rgba(0, 0, 0, 0.2);
}

@media (prefers-color-scheme: dark) {
  :root {
    --widget-bubble-bg-from: #1e293b;
    --widget-bubble-bg-to: #0f172a;
    --widget-window-bg: #111827;
    --widget-header-bg: #1f2937;
    --widget-border-color: #374151;
    --widget-title-color: #f1f5f9;
    --widget-text-secondary: #cbd5e1;
    --widget-hover-bg: #374151;
    --widget-shadow: rgba(0, 0, 0, 0.5);
  }
}

/* ============================================================================
   Widget Shell (Container)
   ============================================================================ */

.kiosk-widget-shell {
  position: fixed;
  z-index: 9999;
  bottom: 16px;
  right: 16px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
}

/* ============================================================================
   Bubble Component
   ============================================================================ */

.kiosk-bubble {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(
    135deg,
    var(--widget-bubble-bg-from),
    var(--widget-bubble-bg-to)
  );
  box-shadow: 0 4px 12px var(--widget-shadow);
  cursor: pointer;
  border: none;
  transition: all 0.18s ease-in-out;
  animation: kioskPopIn 0.3s ease-out;
  /* Focus styles for keyboard navigation */
  outline: none;
}

.kiosk-bubble:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 16px var(--widget-shadow-hover);
}

.kiosk-bubble:active {
  transform: scale(1.05);
}

.kiosk-bubble:focus-visible {
  outline: 2px solid var(--widget-title-color);
  outline-offset: 2px;
}

.kiosk-bubble[aria-expanded="true"] {
  opacity: 0.9;
  box-shadow: 0 8px 16px var(--widget-shadow-hover);
}

/* Bubble Icon */
.bubble-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  font-size: 20px;
  color: var(--widget-bubble-icon-color);
}

/* Online Indicator Dot */
.bubble-online-indicator {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--widget-online-indicator-color);
  bottom: 2px;
  right: 2px;
  box-shadow: 0 0 0 2px var(--widget-window-bg);
}

/* Unread Badge */
.bubble-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: #ef4444;
  color: white;
  font-size: 0.75rem;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 6px var(--widget-shadow-hover);
  animation: kioskPulse 2s infinite ease-in-out;
}

/* ============================================================================
   Window Component
   ============================================================================ */

.kiosk-widget-window {
  position: fixed;
  bottom: 80px;
  right: 16px;
  width: 380px;
  height: 500px;
  display: flex;
  flex-direction: column;
  border-radius: 12px;
  background-color: var(--widget-window-bg);
  border: 1px solid var(--widget-border-color);
  box-shadow: 0 10px 40px var(--widget-shadow);
  z-index: 10000;
  overflow: hidden;
  animation: kioskPopIn 0.18s ease-out;
}

/* ============================================================================
   Window Header
   ============================================================================ */

.widget-window-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  padding: 1rem;
  background-color: var(--widget-header-bg);
  border-bottom: 1px solid var(--widget-border-color);
  flex-shrink: 0;
}

.widget-title {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--widget-title-color);
  letter-spacing: -0.3px;
}

.widget-controls {
  display: flex;
  gap: 4px;
  align-items: center;
}

/* ============================================================================
   Window Control Buttons
   ============================================================================ */

.widget-minimize-btn,
.widget-close-btn {
  width: 32px;
  height: 32px;
  border: none;
  background-color: transparent;
  border-radius: 0.375rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--widget-text-secondary);
  transition: all 0.18s ease-in-out;
  outline: none;
}

.widget-minimize-btn:hover {
  background-color: var(--widget-hover-bg);
}

.widget-minimize-btn:focus-visible {
  outline: 2px solid var(--widget-title-color);
  outline-offset: -2px;
}

.widget-close-btn:hover {
  background-color: var(--widget-close-hover-bg);
  color: var(--widget-close-color);
}

.widget-close-btn:focus-visible {
  outline: 2px solid var(--widget-title-color);
  outline-offset: -2px;
}

/* ============================================================================
   Chat Container (houses KioskChat)
   ============================================================================ */

.widget-chat-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
  background-color: var(--widget-window-bg);
}

/* Override KioskChat scrollbar styling for widget context */
.widget-chat-container::-webkit-scrollbar {
  width: 6px;
}

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

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

.widget-chat-container::-webkit-scrollbar-thumb:hover {
  background-color: var(--widget-text-secondary);
}

/* ============================================================================
   Animations
   ============================================================================ */

/* Pop-in animation for window expansion */
@keyframes kioskPopIn {
  0% {
    opacity: 0;
    transform: scale(0.8) translateY(20px);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* Slide-out animation for minimize */
@keyframes kioskSlideOut {
  0% {
    opacity: 1;
    transform: translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateY(20px);
  }
}

/* Bounce animation for notification */
@keyframes kioskBounce {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.15);
  }
}

/* Pulse animation for unread badge */
@keyframes kioskPulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

/* ============================================================================
   Responsive: Tablet (768px - 1023px)
   ============================================================================ */

@media (max-width: 1023px) {
  .kiosk-widget-shell {
    bottom: 16px;
    right: 16px;
  }

  .kiosk-bubble {
    width: 60px;
    height: 60px;
  }

  .kiosk-widget-window {
    width: 380px;
    height: 500px;
  }
}

/* ============================================================================
   Responsive: Mobile Landscape (480px - 767px)
   ============================================================================ */

@media (max-width: 767px) {
  .kiosk-widget-shell {
    bottom: 12px;
    right: 12px;
  }

  .kiosk-bubble {
    width: 56px;
    height: 56px;
  }

  .bubble-icon {
    font-size: 18px;
  }

  .kiosk-widget-window {
    width: 340px;
    height: 450px;
    bottom: 68px;
    right: 12px;
    left: auto;
  }
}

/* ============================================================================
   Responsive: Mobile Portrait (<480px)
   ============================================================================ */

@media (max-width: 479px) {
  .kiosk-widget-shell {
    bottom: 12px;
    right: 8px;
  }

  .kiosk-bubble {
    width: 56px;
    height: 56px;
  }

  .bubble-icon {
    font-size: 18px;
  }

  .kiosk-widget-window {
    position: fixed;
    left: 8px;
    right: 8px;
    bottom: 76px;
    width: auto;
    max-width: 380px;
    height: 60vh;
    max-height: 500px;
    border-radius: 12px;
  }

  .widget-window-header {
    height: 48px;
    padding: 0.75rem;
  }

  .widget-title {
    font-size: 0.8125rem;
  }

  .widget-minimize-btn,
  .widget-close-btn {
    width: 28px;
    height: 28px;
    font-size: 0.875rem;
  }
}

/* ============================================================================
   Reduced Motion Support
   ============================================================================ */

@media (prefers-reduced-motion: reduce) {
  .kiosk-bubble,
  .widget-minimize-btn,
  .widget-close-btn,
  .kiosk-widget-window {
    animation: none !important;
    transition: none !important;
  }

  .bubble-badge {
    animation: none !important;
  }
}

/* ============================================================================
   High Contrast Mode Support
   ============================================================================ */

@media (prefers-contrast: more) {
  .kiosk-bubble {
    border: 2px solid currentColor;
  }

  .widget-window-header {
    border-bottom: 2px solid var(--widget-border-color);
  }

  .kiosk-widget-window {
    border: 2px solid var(--widget-border-color);
  }
}

/* ============================================================================
   Print Media (Hide Widget)
   ============================================================================ */

@media print {
  .kiosk-widget-shell {
    display: none !important;
  }
}