/* ============================================
   ASCCAP AI Chat Widget
   ============================================ */

/* Chat Toggle Button */
.chat-widget-toggle {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9998;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  border: 1px solid var(--color-border-accent);
  background: var(--color-bg-tertiary);
  color: var(--color-accent);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4), 0 0 0 0 var(--color-accent-glow);
}

.chat-widget-toggle:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-hover);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4), 0 0 20px var(--color-accent-glow);
  transform: scale(1.06);
}

.chat-widget-toggle svg {
  width: 26px;
  height: 26px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.chat-widget-toggle .chat-icon-close {
  position: absolute;
  transform: scale(0) rotate(-90deg);
  opacity: 0;
}

.chat-widget-toggle.active .chat-icon-open {
  transform: scale(0) rotate(90deg);
  opacity: 0;
}

.chat-widget-toggle.active .chat-icon-close {
  transform: scale(1) rotate(0deg);
  opacity: 1;
}

/* Chat Panel */
.chat-widget-panel {
  position: fixed;
  bottom: 100px;
  right: 28px;
  z-index: 9997;
  width: 380px;
  max-height: 560px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.03);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  transform: translateY(16px) scale(0.96);
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.chat-widget-panel.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: all;
}

/* Panel Header */
.chat-widget-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  background: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.chat-widget-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-accent-subtle);
  border: 1px solid var(--color-border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.chat-widget-avatar svg {
  width: 18px;
  height: 18px;
  color: var(--color-accent);
}

.chat-widget-header-info {
  flex: 1;
  min-width: 0;
}

.chat-widget-header-title {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  line-height: 1.3;
}

.chat-widget-header-subtitle {
  font-size: 11px;
  color: var(--color-text-muted);
  line-height: 1.3;
  margin-top: 1px;
}

.chat-widget-status {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 6px rgba(0, 200, 83, 0.5);
  flex-shrink: 0;
}

/* Messages Area */
.chat-widget-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px 16px 8px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 280px;
  max-height: 360px;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.08) transparent;
}

.chat-widget-messages::-webkit-scrollbar {
  width: 4px;
}

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

.chat-widget-messages::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
}

/* Message Bubbles */
.chat-msg {
  display: flex;
  gap: 8px;
  max-width: 88%;
  animation: chatMsgIn 0.25s ease both;
}

.chat-msg--assistant {
  align-self: flex-start;
}

.chat-msg--user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.chat-msg-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-accent-subtle);
  border: 1px solid var(--color-border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.chat-msg-avatar svg {
  width: 14px;
  height: 14px;
  color: var(--color-accent);
}

.chat-msg--user .chat-msg-avatar {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
}

.chat-msg--user .chat-msg-avatar svg {
  color: var(--color-text-secondary);
}

.chat-msg-bubble {
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--color-text-secondary);
}

.chat-msg--assistant .chat-msg-bubble {
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-top-left-radius: 4px;
}

.chat-msg--user .chat-msg-bubble {
  background: rgba(0, 229, 200, 0.12);
  border: 1px solid rgba(0, 229, 200, 0.2);
  border-top-right-radius: 4px;
  color: var(--color-text-primary);
}

/* Links inside messages */
.chat-msg-bubble a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

.chat-msg-bubble a:hover {
  color: var(--color-accent-hover);
}

/* Typing Indicator */
.chat-typing {
  display: flex;
  gap: 8px;
  align-self: flex-start;
  max-width: 88%;
}

.chat-typing-dots {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 12px 16px;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  border-top-left-radius: 4px;
}

.chat-typing-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-text-muted);
  animation: chatTypingBounce 1.2s ease-in-out infinite;
}

.chat-typing-dot:nth-child(2) {
  animation-delay: 0.15s;
}

.chat-typing-dot:nth-child(3) {
  animation-delay: 0.3s;
}

/* Input Area */
.chat-widget-input {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 12px 16px 16px;
  background: var(--color-bg-primary);
  border-top: 1px solid var(--color-border);
  flex-shrink: 0;
}

.chat-widget-input textarea {
  flex: 1;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 10px 14px;
  font-family: inherit;
  font-size: 13.5px;
  line-height: 1.45;
  color: var(--color-text-primary);
  resize: none;
  max-height: 96px;
  outline: none;
  transition: border-color var(--transition-fast);
}

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

.chat-widget-input textarea:focus {
  border-color: var(--color-border-accent);
}

.chat-widget-send {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: none;
  background: var(--color-accent-gradient);
  color: var(--color-bg-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.chat-widget-send:hover {
  opacity: 0.9;
  transform: scale(1.04);
}

.chat-widget-send:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  transform: none;
}

.chat-widget-send svg {
  width: 18px;
  height: 18px;
}

/* Powered By Footer */
.chat-widget-powered {
  text-align: center;
  padding: 6px 16px 10px;
  font-size: 10px;
  color: var(--color-text-muted);
  opacity: 0.6;
  background: var(--color-bg-primary);
}

/* Animations */
@keyframes chatMsgIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes chatTypingBounce {
  0%, 60%, 100% {
    transform: translateY(0);
    opacity: 0.4;
  }
  30% {
    transform: translateY(-4px);
    opacity: 1;
  }
}

/* Mobile Responsive */
@media (max-width: 480px) {
  .chat-widget-panel {
    right: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    max-height: 100%;
    height: 100dvh;
    border-radius: 0;
  }

  .chat-widget-messages {
    max-height: none;
    flex: 1;
  }

  .chat-widget-toggle {
    bottom: 20px;
    right: 20px;
    width: 52px;
    height: 52px;
  }
}