/* ==========================================================================
   Floating Chat / Assistant Component
   ========================================================================== */

/* --------------------------------------------------------------------------
   Chat Button & Container
   -------------------------------------------------------------------------- */
.floating-chat {
  position: fixed;
  bottom: var(--spacing-lg, 1.5rem);
  right: var(--spacing-lg, 1.5rem);
  z-index: var(--z-modal, 300);
}

.chat-toggle-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: var(--primary, #2563eb);
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg, 0 10px 15px -3px rgba(0, 0, 0, 0.1));
  transition: all 0.2s ease;
}

.chat-toggle-btn:hover {
  background-color: var(--primary-hover, #1d4ed8);
  transform: scale(1.05);
}

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

.chat-toggle-btn .icon {
  font-size: 1.5rem;
}

.chat-toggle-btn .close-icon {
  display: none;
}

.floating-chat.open .chat-toggle-btn .chat-icon {
  display: none;
}

.floating-chat.open .chat-toggle-btn .close-icon {
  display: block;
}

/* --------------------------------------------------------------------------
   Chat Window
   -------------------------------------------------------------------------- */
.chat-window {
  position: absolute;
  bottom: 70px;
  right: 0;
  width: 380px;
  max-height: 500px;
  background-color: var(--bg, #ffffff);
  border-radius: var(--radius-lg, 0.75rem);
  border: 1px solid var(--border, #e2e8f0);
  box-shadow: var(--shadow-xl, 0 20px 25px -5px rgba(0, 0, 0, 0.1));
  display: none;
  flex-direction: column;
  overflow: hidden;
  animation: slideUp 0.2s ease;
}

.floating-chat.open .chat-window {
  display: flex;
}

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

/* --------------------------------------------------------------------------
   Chat Header
   -------------------------------------------------------------------------- */
.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md, 1rem);
  background-color: var(--primary, #2563eb);
  color: white;
}

.chat-header-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm, 0.5rem);
}

.chat-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
}

.chat-title {
  font-size: 0.875rem;
  font-weight: 600;
}

.chat-status {
  font-size: 0.75rem;
  opacity: 0.8;
}

.chat-header-actions {
  display: flex;
  gap: var(--spacing-xs, 0.25rem);
}

.chat-header-btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
}

.chat-header-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* --------------------------------------------------------------------------
   Chat Messages
   -------------------------------------------------------------------------- */
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-md, 1rem);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md, 1rem);
  background-color: var(--bg-secondary, #f8fafc);
}

.chat-message {
  max-width: 85%;
  padding: var(--spacing-sm, 0.5rem) var(--spacing-md, 1rem);
  border-radius: var(--radius-lg, 0.75rem);
  font-size: 0.875rem;
  line-height: 1.5;
}

.chat-message.user {
  align-self: flex-end;
  background-color: var(--primary, #2563eb);
  color: white;
  border-bottom-right-radius: var(--radius-sm, 0.25rem);
}

.chat-message.assistant {
  align-self: flex-start;
  background-color: var(--bg, #ffffff);
  border: 1px solid var(--border, #e2e8f0);
  border-bottom-left-radius: var(--radius-sm, 0.25rem);
}

.chat-message.system {
  align-self: center;
  background-color: var(--bg-tertiary, #f1f5f9);
  color: var(--text-secondary, #64748b);
  font-size: 0.75rem;
  padding: var(--spacing-xs, 0.25rem) var(--spacing-sm, 0.5rem);
  border-radius: var(--radius-full, 9999px);
}

.message-time {
  font-size: 0.625rem;
  color: rgba(255, 255, 255, 0.7);
  margin-top: var(--spacing-xs, 0.25rem);
  text-align: right;
}

.chat-message.assistant .message-time {
  color: var(--text-muted, #94a3b8);
}

/* Typing indicator */
.typing-indicator {
  display: flex;
  gap: 4px;
  padding: var(--spacing-sm, 0.5rem);
}

.typing-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--text-muted, #94a3b8);
  animation: typingBounce 1.4s ease-in-out infinite;
}

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

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

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

@keyframes typingBounce {
  0%, 60%, 100% {
    transform: translateY(0);
  }
  30% {
    transform: translateY(-4px);
  }
}

/* --------------------------------------------------------------------------
   Chat Input
   -------------------------------------------------------------------------- */
.chat-input-container {
  padding: var(--spacing-md, 1rem);
  border-top: 1px solid var(--border, #e2e8f0);
  background-color: var(--bg, #ffffff);
}

.chat-input-form {
  display: flex;
  gap: var(--spacing-sm, 0.5rem);
}

.chat-input {
  flex: 1;
  padding: var(--spacing-sm, 0.5rem) var(--spacing-md, 1rem);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: var(--radius-full, 9999px);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.2s ease;
}

.chat-input:focus {
  border-color: var(--primary, #2563eb);
}

.chat-input::placeholder {
  color: var(--text-muted, #94a3b8);
}

.chat-send-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--primary, #2563eb);
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.chat-send-btn:hover {
  background-color: var(--primary-hover, #1d4ed8);
}

.chat-send-btn:disabled {
  background-color: var(--border, #e2e8f0);
  cursor: not-allowed;
}

/* --------------------------------------------------------------------------
   Quick Actions
   -------------------------------------------------------------------------- */
.chat-quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs, 0.25rem);
  padding: 0 var(--spacing-md, 1rem) var(--spacing-sm, 0.5rem);
}

.quick-action-btn {
  padding: var(--spacing-xs, 0.25rem) var(--spacing-sm, 0.5rem);
  font-size: 0.75rem;
  border: 1px solid var(--border, #e2e8f0);
  border-radius: var(--radius-full, 9999px);
  background-color: var(--bg, #ffffff);
  color: var(--text-secondary, #64748b);
  cursor: pointer;
  transition: all 0.2s ease;
}

.quick-action-btn:hover {
  background-color: var(--primary-light, #dbeafe);
  border-color: var(--primary, #2563eb);
  color: var(--primary, #2563eb);
}

/* --------------------------------------------------------------------------
   Empty State
   -------------------------------------------------------------------------- */
.chat-empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl, 2rem);
  text-align: center;
  color: var(--text-secondary, #64748b);
}

.chat-empty-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md, 1rem);
  opacity: 0.5;
}

.chat-empty-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs, 0.25rem);
}

.chat-empty-text {
  font-size: 0.875rem;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 480px) {
  .chat-window {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-height: 100%;
    border-radius: 0;
  }

  .floating-chat.open .chat-toggle-btn {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   Dark Mode Adjustments
   -------------------------------------------------------------------------- */
[data-theme="dark"] .chat-window {
  background-color: var(--bg, #0f172a);
}

[data-theme="dark"] .chat-messages {
  background-color: var(--bg-secondary, #1e293b);
}

[data-theme="dark"] .chat-message.assistant {
  background-color: var(--bg-tertiary, #334155);
}

[data-theme="dark"] .chat-input-container {
  background-color: var(--bg, #0f172a);
}