/**
 * Debbie Chat Widget Styles
 * Customer support chat widget for Fatal Fear ticketing site
 *
 * Theme: Fatal Fear dark theme with glassmorphism
 * Colors: #0a0a0a background, #ff6b00 orange accents
 * Mobile-first responsive design
 *
 * Task Group 5: Z-index set to 40 (below modals at z-50)
 * This ensures the chat widget doesn't interfere with:
 * - Booking modals
 * - Map modals
 * - Ticket detail modals
 * - Access code modals
 * - Checkout payment modals
 */

/* ==========================================
 * CSS Custom Properties
 * ========================================== */

.debbie-chat-widget {
  --debbie-orange: #ff6b00;
  --debbie-orange-dark: #e55a00;
  --debbie-orange-light: #ff8533;
  --debbie-bg-dark: #0a0a0a;
  --debbie-bg-card: rgba(26, 26, 26, 0.95);
  --debbie-bg-message-user: rgba(255, 107, 0, 0.9);
  --debbie-bg-message-assistant: rgba(40, 40, 40, 0.95);
  --debbie-text: #ffffff;
  --debbie-text-muted: #9ca3af;
  --debbie-border: rgba(255, 107, 0, 0.2);
  --debbie-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  --debbie-radius: 1rem;
  --debbie-transition: 0.3s ease;
}

/* ==========================================
 * Widget Container
 * z-index: 40 - Below modals (z-50) but above page content
 * ========================================== */

.debbie-chat-widget {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 40;
  font-family: 'Inter', system-ui, sans-serif;
}

/* ==========================================
 * FAB Button
 * ========================================== */

.debbie-fab {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--debbie-orange) 0%, var(--debbie-orange-dark) 100%);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow:
    0 4px 20px rgba(255, 107, 0, 0.4),
    0 0 0 0 rgba(255, 107, 0, 0.4);
  transition: all var(--debbie-transition);
  animation: debbie-pulse-glow 2s ease-in-out infinite;
}

.debbie-fab:hover {
  transform: scale(1.1);
  box-shadow:
    0 6px 30px rgba(255, 107, 0, 0.5),
    0 0 0 8px rgba(255, 107, 0, 0.1);
}

.debbie-fab:focus {
  outline: 2px solid var(--debbie-orange);
  outline-offset: 4px;
}

.debbie-fab:active {
  transform: scale(0.95);
}

.debbie-fab-icon {
  width: 28px;
  height: 28px;
  color: white;
  transition: transform var(--debbie-transition);
}

.debbie-fab.is-open .debbie-fab-icon {
  transform: rotate(90deg);
}

/* Pulse glow animation */
@keyframes debbie-pulse-glow {
  0%, 100% {
    box-shadow:
      0 4px 20px rgba(255, 107, 0, 0.4),
      0 0 0 0 rgba(255, 107, 0, 0.4);
  }
  50% {
    box-shadow:
      0 4px 20px rgba(255, 107, 0, 0.4),
      0 0 0 12px rgba(255, 107, 0, 0);
  }
}

/* ==========================================
 * Chat Window
 * ========================================== */

.debbie-chat-window {
  position: absolute;
  bottom: 80px;
  right: 0;
  width: 400px;
  height: 520px;
  max-height: calc(100vh - 120px);
  background: var(--debbie-bg-card);
  border: 1px solid var(--debbie-border);
  border-radius: var(--debbie-radius);
  box-shadow: var(--debbie-shadow);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px) scale(0.95);
  transition: all var(--debbie-transition);
}

.debbie-chat-window.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

/* ==========================================
 * Chat Header
 * ========================================== */

.debbie-chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  background: linear-gradient(135deg, var(--debbie-orange) 0%, var(--debbie-orange-dark) 100%);
  flex-shrink: 0;
}

.debbie-chat-header-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.debbie-chat-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.debbie-chat-avatar img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.debbie-chat-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: white;
  line-height: 1.2;
}

.debbie-chat-subtitle {
  margin: 0;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
}

.debbie-chat-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: background var(--debbie-transition);
}

.debbie-chat-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.debbie-chat-close:focus {
  outline: 2px solid white;
  outline-offset: 2px;
}

.debbie-chat-close svg {
  width: 18px;
  height: 18px;
}

/* ==========================================
 * Messages Area
 * ========================================== */

.debbie-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background: var(--debbie-bg-dark);
  scroll-behavior: smooth;
}

/* Custom scrollbar for messages */
.debbie-chat-messages::-webkit-scrollbar {
  width: 6px;
}

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

.debbie-chat-messages::-webkit-scrollbar-thumb {
  background: rgba(255, 107, 0, 0.3);
  border-radius: 3px;
}

.debbie-chat-messages::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 107, 0, 0.5);
}

/* ==========================================
 * Message Bubbles
 * ========================================== */

.debbie-message {
  display: flex;
  gap: 0.5rem;
  max-width: 85%;
  animation: debbie-fade-in 0.3s ease;
}

.debbie-message.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.debbie-message.assistant {
  align-self: flex-start;
}

.debbie-message-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--debbie-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.75rem;
}

.debbie-message.user .debbie-message-avatar {
  background: rgba(255, 255, 255, 0.1);
}

.debbie-message-content {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.debbie-message-bubble {
  padding: 0.75rem 1rem;
  border-radius: 1rem;
  font-size: 0.875rem;
  line-height: 1.5;
  word-wrap: break-word;
}

.debbie-message.user .debbie-message-bubble {
  background: var(--debbie-bg-message-user);
  color: white;
  border-bottom-right-radius: 0.25rem;
}

.debbie-message.assistant .debbie-message-bubble {
  background: var(--debbie-bg-message-assistant);
  color: var(--debbie-text);
  border-bottom-left-radius: 0.25rem;
}

.debbie-message-timestamp {
  font-size: 0.625rem;
  color: var(--debbie-text-muted);
  padding: 0 0.25rem;
}

.debbie-message.user .debbie-message-timestamp {
  text-align: right;
}

/* Fade in animation */
@keyframes debbie-fade-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================
 * Typing Indicator
 * ========================================== */

.debbie-typing-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  align-self: flex-start;
  animation: debbie-fade-in 0.3s ease;
}

.debbie-typing-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--debbie-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
}

.debbie-typing-dots {
  display: flex;
  gap: 4px;
  padding: 0.75rem 1rem;
  background: var(--debbie-bg-message-assistant);
  border-radius: 1rem;
  border-bottom-left-radius: 0.25rem;
}

.debbie-typing-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--debbie-text-muted);
  animation: debbie-typing-bounce 1.4s ease-in-out infinite;
}

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

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

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

@keyframes debbie-typing-bounce {
  0%, 60%, 100% {
    transform: translateY(0);
    background: var(--debbie-text-muted);
  }
  30% {
    transform: translateY(-6px);
    background: var(--debbie-orange);
  }
}

/* ==========================================
 * Quick Reply Buttons
 * ========================================== */

.debbie-quick-replies {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: rgba(26, 26, 26, 0.8);
  border-top: 1px solid var(--debbie-border);
  flex-shrink: 0;
}

.debbie-quick-reply {
  padding: 0.5rem 0.875rem;
  border-radius: 1rem;
  border: 1px solid var(--debbie-border);
  background: transparent;
  color: var(--debbie-orange);
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--debbie-transition);
  white-space: nowrap;
}

.debbie-quick-reply:hover {
  background: rgba(255, 107, 0, 0.1);
  border-color: var(--debbie-orange);
}

.debbie-quick-reply:focus {
  outline: 2px solid var(--debbie-orange);
  outline-offset: 2px;
}

.debbie-quick-reply:active {
  transform: scale(0.95);
}

/* ==========================================
 * Input Area
 * ========================================== */

.debbie-chat-input-area {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem 1rem 1rem;
  background: var(--debbie-bg-card);
  border-top: 1px solid var(--debbie-border);
  flex-shrink: 0;
}

.debbie-chat-input {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 1px solid var(--debbie-border);
  border-radius: 1.5rem;
  background: var(--debbie-bg-dark);
  color: var(--debbie-text);
  font-size: 0.875rem;
  transition: border-color var(--debbie-transition);
}

.debbie-chat-input::placeholder {
  color: var(--debbie-text-muted);
}

.debbie-chat-input:focus {
  outline: none;
  border-color: var(--debbie-orange);
}

.debbie-chat-input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.debbie-chat-send {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--debbie-orange);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
  transition: all var(--debbie-transition);
}

.debbie-chat-send:hover:not(:disabled) {
  background: var(--debbie-orange-light);
  transform: scale(1.05);
}

.debbie-chat-send:focus {
  outline: 2px solid var(--debbie-orange);
  outline-offset: 2px;
}

.debbie-chat-send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.debbie-chat-send svg {
  width: 20px;
  height: 20px;
}

/* ==========================================
 * Welcome Message
 * ========================================== */

.debbie-welcome-message {
  text-align: center;
  padding: 1rem;
  color: var(--debbie-text-muted);
  font-size: 0.875rem;
}

.debbie-welcome-message p {
  margin: 0 0 0.5rem;
}

.debbie-welcome-message strong {
  color: var(--debbie-orange);
}

/* ==========================================
 * Screen Reader Only
 * ========================================== */

.debbie-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;
}

/* ==========================================
 * Mobile Responsive
 * ========================================== */

@media (max-width: 480px) {
  .debbie-chat-widget {
    bottom: 1rem;
    right: 1rem;
  }

  /* When chat is open, widget needs higher z-index than site header (50) */
  .debbie-chat-widget:has(.debbie-chat-window.is-open) {
    z-index: 9999 !important;
  }

  /* Hide FAB when chat is open on mobile - use .is-open class */
  .debbie-fab.is-open {
    opacity: 0 !important;
    pointer-events: none !important;
    transform: scale(0) !important;
    visibility: hidden !important;
  }

  .debbie-chat-window {
    position: fixed !important;
    top: 0 !important;
    bottom: 0 !important;
    right: 0 !important;
    left: 0 !important;
    width: 100vw !important;
    max-width: 100vw !important;
    height: 100vh !important;
    height: 100dvh !important; /* Dynamic viewport height for mobile browsers */
    max-height: 100vh !important;
    max-height: 100dvh !important;
    border-radius: 0 !important;
    border: none !important;
    z-index: 10000 !important;
  }

  .debbie-chat-window.is-open {
    transform: translateY(0) !important;
  }

  .debbie-chat-header {
    padding-top: max(1rem, env(safe-area-inset-top));
  }

  .debbie-fab {
    width: 56px;
    height: 56px;
  }

  .debbie-fab-icon {
    width: 24px;
    height: 24px;
  }

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

  .debbie-quick-replies {
    padding: 0.5rem 1rem;
    gap: 0.5rem;
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE/Edge */
  }

  /* Hide scrollbar on quick replies */
  .debbie-quick-replies::-webkit-scrollbar {
    display: none;
  }

  .debbie-quick-reply {
    flex-shrink: 0;
  }

  .debbie-chat-input-area {
    padding-bottom: max(1rem, env(safe-area-inset-bottom));
  }
}

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

@media (prefers-reduced-motion: reduce) {
  .debbie-fab,
  .debbie-chat-window,
  .debbie-message,
  .debbie-quick-reply,
  .debbie-chat-send {
    transition: none;
  }

  .debbie-fab {
    animation: none;
  }

  .debbie-typing-dot {
    animation: none;
  }
}

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

@media (prefers-contrast: high) {
  .debbie-chat-window {
    border-width: 2px;
    border-color: var(--debbie-orange);
  }

  .debbie-message-bubble {
    border: 1px solid currentColor;
  }

  .debbie-quick-reply {
    border-width: 2px;
  }

  .debbie-chat-input {
    border-width: 2px;
  }
}