/* ---------------- PCAP assistant chat (chatbot.md) ---------------- */
.btn-assistant {
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.btn-assistant.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
  box-shadow: 0 0 0 1px var(--primary);
}

.btn-assistant.active:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  color: #ffffff;
}

.btn-assistant.active svg {
  stroke: #ffffff;
}

.chat-panel {
  width: min(960px, 92vw);
  max-width: 100%;
  height: min(80vh, 540px);
  max-height: min(80vh, 540px);
  margin-top: 12px;
  margin-bottom: 28px;
  border: 1px solid var(--neutral-60);
  border-radius: 8px;
  background: var(--neutral-10);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-sizing: border-box;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.chat-panel[hidden] { display: none; }

.chat-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 16px;
  background: var(--card);
  border-bottom: 1px solid var(--neutral-40);
  font-weight: 600;
  color: var(--text);
  flex-shrink: 0;
}

.chat-close {
  border: 0;
  background: transparent;
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
}
.chat-close:hover { background: var(--neutral-20); color: var(--text); }

.chat-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 14px 16px;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.chat-msgs {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding-right: 4px;
}

.chat-msg {
  max-width: 90%;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: break-word;
  box-sizing: border-box;
}
.chat-msg.user {
  align-self: flex-end;
  background: var(--primary);
  color: #fff;
  border-bottom-right-radius: 2px;
}
.chat-msg.assistant {
  align-self: flex-start;
  background: var(--card);
  border: 1px solid var(--neutral-40);
  border-bottom-left-radius: 2px;
  color: var(--text);
  max-width: 100%;
  width: 100%;
}
.chat-msg.error {
  align-self: flex-start;
  background: var(--danger-bg);
  border: 1px solid var(--danger);
  color: var(--danger);
  max-width: 100%;
}

.chat-msg pre {
  margin: 8px 0;
  padding: 8px 12px;
  background: var(--neutral-20);
  border: 1px solid var(--neutral-40);
  border-radius: 4px;
  overflow-x: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  white-space: pre-wrap;
  word-break: break-word;
}

.chat-msg code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  background: var(--neutral-20);
  padding: 1px 4px;
  border-radius: 3px;
}

.chat-bullet {
  color: var(--primary);
  margin-right: 4px;
  font-weight: 700;
}

.chat-src {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  background: var(--neutral-20);
  border: 1px solid var(--neutral-60);
  color: var(--text-secondary);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  word-break: break-all;
  max-width: 100%;
}
.chat-srcs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 6px;
  margin-top: 8px;
}
.chat-srcs-label {
  font-size: 11px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-right: 2px;
  align-self: center;
}

.chat-intro {
  font-size: 12.5px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
  flex-shrink: 0;
}

.chat-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  flex-shrink: 0;
}
.chat-quick button {
  border: 1px solid var(--neutral-60);
  background: var(--card);
  color: var(--primary);
  border-radius: 14px;
  padding: 4px 12px;
  font-size: 12px;
  cursor: pointer;
}
.chat-quick button:hover { background: var(--neutral-20); }

.chat-form {
  display: flex;
  gap: 8px;
  padding: 10px 16px;
  border-top: 1px solid var(--neutral-40);
  background: var(--card);
  flex-shrink: 0;
}
.chat-form input {
  flex: 1;
  min-width: 0;
  border: 1px solid var(--neutral-60);
  border-radius: 4px;
  padding: 7px 10px;
  font-size: 13px;
  color: var(--text);
  background: var(--card);
}
.chat-form input:focus {
  outline: none;
  border-color: var(--primary);
}

.chat-typing {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-tertiary);
  font-size: 12.5px;
  padding: 6px 12px;
  background: var(--card);
  border: 1px solid var(--neutral-40);
  border-radius: 8px;
  margin: 2px 0;
}

.chat-typing-dots {
  display: inline-flex;
  gap: 3px;
  align-items: center;
}

.chat-typing-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--primary);
  display: inline-block;
  animation: chatDotPulse 1.4s infinite ease-in-out both;
}
.chat-typing-dot:nth-child(1) { animation-delay: -0.32s; }
.chat-typing-dot:nth-child(2) { animation-delay: -0.16s; }
.chat-typing-dot:nth-child(3) { animation-delay: 0s; }

@keyframes chatDotPulse {
  0%, 80%, 100% { transform: scale(0.4); opacity: 0.3; }
  40% { transform: scale(1.1); opacity: 1; }
}

.chat-cursor {
  display: inline-block;
  width: 6px;
  height: 13px;
  background: var(--primary);
  margin-left: 2px;
  vertical-align: middle;
  border-radius: 1px;
  animation: chatCursorBlink 0.75s infinite;
}

@keyframes chatCursorBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}