/* chatbot.css - Chat UI styles */

.chatbot-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  pointer-events: none; /* Let clicks pass through container */
}

/* Floating Trigger Button */
.chatbot-trigger {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border: none;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-soft);
  pointer-events: auto;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
  z-index: 10000;
}

.chatbot-trigger:hover,
.chatbot-trigger:focus {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  outline: none;
}

.chatbot-trigger:focus-visible {
  outline: 2px solid var(--accent-secondary);
  outline-offset: 4px;
}

.sparkle-icon {
  width: 24px;
  height: 24px;
}

/* Chat Panel */
.ai-chat-panel {
  position: absolute;
  bottom: 76px; /* Above trigger */
  right: 0;
  width: 380px;
  max-height: calc(100vh - 120px);
  height: 600px;
  background: var(--bg-primary);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-hover);
  display: flex;
  flex-direction: column;
  pointer-events: auto;
  overflow: hidden;
  
  /* Hidden state */
  opacity: 0;
  transform: translateY(12px) scale(0.98);
  pointer-events: none;
  visibility: hidden;
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1), transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.25s;
}

.ai-chat-panel.is-open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
  visibility: visible;
}

@media (prefers-reduced-motion: reduce) {
  .ai-chat-panel, .chatbot-trigger {
    transition: none;
  }
}

/* Header */
.chat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border);
}

.chat-header-info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.chat-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.chat-title {
  font-size: 1rem;
  margin: 0;
  font-weight: 600;
}

.chat-subtitle {
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 4px;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  display: inline-block;
}

.chatbot-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  transition: color 0.2s ease, background 0.2s ease;
}

.chatbot-close:hover,
.chatbot-close:focus {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.1);
  outline: none;
}

/* Messages Area */
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.chat-message {
  max-width: 85%;
  padding: var(--space-3) var(--space-4);
  border-radius: 12px;
  font-size: 0.95rem;
  line-height: 1.5;
  word-wrap: break-word;
  white-space: pre-wrap;
  animation: messageEnter 0.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes messageEnter {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.chat-message--user {
  align-self: flex-end;
  background: rgba(124, 92, 255, 0.15); /* Accent tinted */
  border: 1px solid rgba(124, 92, 255, 0.3);
  color: var(--text-primary);
  border-bottom-right-radius: 4px;
}

.chat-message--assistant {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-bottom-left-radius: 4px;
}

.chat-message--error {
  align-self: flex-start;
  background: rgba(255, 100, 124, 0.1);
  border: 1px solid rgba(255, 100, 124, 0.3);
  color: var(--danger);
}

/* Typing Indicator */
.chat-typing {
  display: flex;
  gap: 4px;
  padding: var(--space-2) var(--space-3);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.chat-typing span {
  width: 6px;
  height: 6px;
  background: var(--text-secondary);
  border-radius: 50%;
  animation: typing 1s infinite alternate;
}

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

@keyframes typing {
  0% { transform: translateY(0); opacity: 0.5; }
  100% { transform: translateY(-4px); opacity: 1; }
}

/* Suggestions */
.chat-suggestions {
  padding: 0 var(--space-4) var(--space-4);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.suggestion-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--accent-secondary);
  padding: 6px 12px;
  border-radius: 16px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.suggestion-btn:hover,
.suggestion-btn:focus {
  background: rgba(41, 199, 255, 0.1);
  border-color: rgba(41, 199, 255, 0.3);
  outline: none;
}

/* Composer */
.chat-composer {
  display: flex;
  align-items: flex-end;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}

.chat-input {
  flex: 1;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--text-primary);
  font-family: var(--font-primary);
  font-size: 0.95rem;
  resize: none;
  min-height: 40px;
  max-height: 120px;
  transition: border-color 0.2s;
}

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

.chat-send {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--accent-primary);
  color: white;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s ease;
  flex-shrink: 0;
}

.chat-send:hover:not(:disabled) {
  background: #6b4cf0;
}

.chat-send:disabled {
  background: rgba(124, 92, 255, 0.3);
  color: rgba(255, 255, 255, 0.5);
  cursor: not-allowed;
}

/* Chat Backdrop for Mobile */
.chat-backdrop {
  display: none;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .chat-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(5, 15, 30, 0.15);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s;
    z-index: 9998;
  }
  
  .chat-backdrop.is-open {
    opacity: 1;
    visibility: visible;
  }

  .chatbot-container {
    bottom: calc(90px + env(safe-area-inset-bottom, 0px));
    right: auto;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 32px);
    max-width: 430px;
  }
  
  .chatbot-trigger {
    width: 56px;
    height: 56px;
    position: absolute;
    bottom: calc(-66px - env(safe-area-inset-bottom, 0px));
    right: 0;
  }
  
  .chatbot-trigger.chat-open {
    opacity: 0;
    pointer-events: none;
    transform: scale(0.85);
  }
  
  .ai-chat-panel {
    bottom: 0; /* Position relative to .chatbot-container */
    width: 100%;
    height: min(68dvh, 620px);
    max-height: calc(100dvh - 140px);
    border-radius: 24px;
    background: rgba(12, 16, 26, 0.85);
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.5), 0 0 20px rgba(124, 92, 255, 0.15);
    transform: translateY(20px) scale(0.96);
  }
  
  .ai-chat-panel.is-open {
    transform: translateY(0) scale(1);
  }

  .chat-header {
    padding: 16px 18px;
  }
  
  .chat-close {
    width: 40px;
    height: 40px;
  }

  .chat-messages {
    padding: 16px;
    overscroll-behavior: contain;
  }

  .chat-bubble {
    border-radius: 16px;
    padding: 12px 15px;
    font-size: 15px;
    line-height: 1.5;
  }

  .chat-bubble.assistant {
    max-width: 86%;
    align-self: flex-start;
  }

  .chat-bubble.user {
    max-width: 82%;
    align-self: flex-end;
  }

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

  .chat-input {
    height: 48px;
    border-radius: 14px;
  }

  .chat-send {
    width: 48px;
    height: 48px;
    border-radius: 14px;
  }
}

@media (max-width: 430px) {
  .ai-chat-panel {
    height: min(64dvh, 560px);
  }
}

.streaming-cursor {
    display: inline-block;
    width: 0.5em;
    animation: blink-cursor 1s step-end infinite;
    color: var(--primary);
    margin-left: 2px;
}

@keyframes blink-cursor {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
    .streaming-cursor {
        animation: none;
    }
}