/* Chat Widget — uses blog CSS custom properties from style.css */

.chat-widget-toggle {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  background: var(--accent-primary);
  color: var(--bg-primary);
  border: none;
  border-radius: 2rem;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(6, 182, 212, 0.3);
  transition: background 0.2s, transform 0.1s;
  animation: chatPulse 2s infinite;
}
.chat-widget-toggle:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  animation-play-state: paused;
}
.chat-widget-toggle:active { transform: translateY(0); }
@keyframes chatPulse {
  0%, 100% { box-shadow: 0 4px 16px rgba(6, 182, 212, 0.3); }
  50%       { box-shadow: 0 4px 28px rgba(6, 182, 212, 0.55); }
}

.chat-widget-container {
  position: fixed;
  bottom: 5rem;
  right: 1.5rem;
  z-index: 1000;
  width: 420px;
  display: flex;
  flex-direction: column;
  background: var(--bg-secondary);
  border: 1px solid var(--border-default);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  overflow: hidden;
  transform-origin: bottom right;
  transform: scale(0.95) translateY(8px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.chat-widget-container.open {
  transform: scale(1) translateY(0);
  opacity: 1;
  pointer-events: all;
}

.chat-widget-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-muted);
  background: var(--bg-tertiary);
  flex-shrink: 0;
}
.chat-widget-title {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}
.chat-widget-avatar { font-size: 1.25rem; line-height: 1; }
.chat-widget-title-text h3 {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}
.chat-widget-title-text span {
  font-size: 0.75rem;
  color: var(--text-muted);
}
.chat-widget-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s, background 0.2s;
}
.chat-widget-close:hover {
  color: var(--text-primary);
  background: var(--bg-secondary);
}

.chat-widget-messages {
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 200px;
  max-height: 300px;
}
.chat-widget-messages::-webkit-scrollbar { width: 6px; }
.chat-widget-messages::-webkit-scrollbar-track { background: transparent; }
.chat-widget-messages::-webkit-scrollbar-thumb {
  background: var(--accent-subtle);
  border-radius: 3px;
}
.chat-widget-messages::-webkit-scrollbar-thumb:hover {
  background: rgba(88, 166, 255, 0.25);
}

.chat-welcome {
  text-align: center;
  padding: 1.5rem 1rem;
  color: var(--text-secondary);
}
.chat-welcome-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.chat-welcome h4 {
  margin: 0 0 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}
.chat-welcome p { margin: 0; font-size: 0.8125rem; line-height: 1.5; }

.chat-message {
  display: flex;
  flex-direction: row;
  gap: 8px;
  max-width: 88%;
  animation: messageSlideIn 0.3s ease;
}
.chat-message.user { align-self: flex-end; flex-direction: row-reverse; }
.chat-message.assistant { align-self: flex-start; }

.chat-message-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
  align-self: flex-end;
}
.chat-message.user .chat-message-avatar {
  background: var(--accent-subtle);
  border: 1px solid var(--accent-primary);
}
.chat-message.assistant .chat-message-avatar {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-default);
}

.chat-bubble {
  padding: 0.625rem 0.875rem;
  border-radius: 12px;
  font-size: 0.8125rem;
  line-height: 1.6;
  word-break: break-word;
}
.chat-message.user .chat-bubble {
  background: var(--accent-primary);
  color: var(--bg-primary);
  border-bottom-right-radius: 4px;
}
.chat-message.assistant .chat-bubble {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-muted);
  border-bottom-left-radius: 4px;
}
.chat-bubble strong { font-weight: 600; }
.chat-bubble em { font-style: italic; }
.chat-bubble code {
  background: rgba(255,255,255,0.1);
  padding: 0.1em 0.3em;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.875em;
}
.chat-bubble pre {
  background: rgba(0,0,0,0.3);
  padding: 0.75rem;
  border-radius: 6px;
  overflow-x: auto;
  margin: 0.5rem 0;
}
.chat-bubble pre code { background: none; padding: 0; }
.chat-bubble ul { margin: 0.25rem 0; padding-left: 1.25rem; }
.chat-bubble li { margin: 0.125rem 0; }

.chat-typing {
  display: flex;
  gap: 8px;
  align-items: center;
  align-self: flex-start;
  padding: 0.625rem 0.875rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-muted);
  border-radius: 12px;
  border-bottom-left-radius: 4px;
  width: fit-content;
}
.chat-typing-dot {
  width: 6px;
  height: 6px;
  background: var(--text-muted);
  border-radius: 50%;
  animation: typing-bounce 1.2s infinite;
}
.chat-typing-dot:nth-child(2) { animation-delay: 0.2s; }
.chat-typing-dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes typing-bounce {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-4px); }
}
.chat-typing-dots { display: flex; gap: 4px; align-items: center; }
.chat-typing-text { font-size: 0.75rem; color: var(--text-muted); }
@keyframes messageSlideIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.chat-starters {
  padding: 0.5rem 1rem;
  border-top: 1px solid var(--border-muted);
  flex-shrink: 0;
}
.chat-starters-label {
  font-size: 0.6875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.375rem;
}
.chat-starters-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}
.chat-starter-chip {
  background: none;
  border: 1px solid var(--border-default);
  color: var(--text-secondary);
  padding: 0.25rem 0.625rem;
  border-radius: 1rem;
  font-size: 0.75rem;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
  white-space: nowrap;
}
.chat-starter-chip:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: var(--accent-subtle);
}

.chat-widget-input-area {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--border-muted);
  background: var(--bg-tertiary);
  flex-shrink: 0;
}
.chat-widget-input {
  flex: 1;
  background: var(--bg-secondary);
  border: 1px solid var(--border-default);
  border-radius: 24px;
  padding: 0.5rem 0.75rem;
  color: var(--text-primary);
  font-size: 0.875rem;
  font-family: var(--font-sans);
  outline: none;
  transition: border-color 0.2s;
}
.chat-widget-input::placeholder { color: var(--text-muted); }
.chat-widget-input:focus { border-color: var(--accent-primary); }

.chat-widget-send {
  background: var(--accent-primary);
  border: none;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  padding: 0;
  color: var(--bg-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
  flex-shrink: 0;
}
.chat-widget-send:hover { background: var(--accent-hover); }
.chat-widget-send:disabled { opacity: 0.5; cursor: not-allowed; }

.chat-widget-toggle:focus-visible,
.chat-widget-close:focus-visible,
.chat-starter-chip:focus-visible,
.chat-widget-send:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--accent-subtle);
}

@media (max-width: 480px) {
  .chat-widget-container {
    width: calc(100vw - 2rem);
    right: 1rem;
    bottom: 4.5rem;
  }
  .chat-widget-toggle {
    right: 1rem;
    bottom: 1rem;
  }
  .chat-widget-toggle-text { display: none; }
}