/* ============================================================
   Phase B-6: site-wide AI chatbot widget
   Floating button + slide-up panel. IBM Carbon palette.
   ============================================================ */

/* --- floating button ---------------------------------------- */
.chatbot-fab {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--ibm-blue-60, #0F62FE);
  color: #fff;
  border: none;
  box-shadow: 0 6px 24px rgba(15, 98, 254, 0.32),
              0 2px 8px rgba(0, 0, 0, 0.18);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9998;
  transition: transform 0.18s ease, background-color 0.18s ease;
}
.chatbot-fab:hover {
  background: var(--ibm-blue-70, #0043CE);
  transform: translateY(-2px);
}
.chatbot-fab:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}
.chatbot-fab[aria-expanded="true"] {
  background: var(--carbon-90, #262626);
}
.chatbot-fab__pulse {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--ibm-blue-60, #0F62FE);
  opacity: 0;
  animation: chatbotPulse 2.4s ease-out infinite;
  pointer-events: none;
}
@keyframes chatbotPulse {
  0% { transform: scale(1); opacity: 0.5; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* --- panel -------------------------------------------------- */
.chatbot-panel {
  position: fixed;
  right: 24px;
  bottom: 96px;
  width: 380px;
  max-width: calc(100vw - 32px);
  height: 560px;
  max-height: calc(100vh - 120px);
  background: #fff;
  border: 1px solid var(--carbon-20, #E0E0E0);
  border-radius: 12px;
  box-shadow: 0 24px 60px rgba(22, 22, 22, 0.18),
              0 4px 12px rgba(22, 22, 22, 0.06);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 9999;
  font-family: var(--font-sans, "Inter", -apple-system, sans-serif);
}
.chatbot-panel[hidden] { display: none; }

.chatbot-panel__header {
  padding: 16px 20px 14px;
  background: var(--carbon-100, #161616);
  color: #fff;
  position: relative;
}
.chatbot-panel__title {
  display: block;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.chatbot-panel__sub {
  display: block;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.72);
  margin-top: 2px;
}
.chatbot-panel__close {
  position: absolute;
  top: 10px;
  right: 12px;
  width: 32px;
  height: 32px;
  background: transparent;
  border: 0;
  color: #fff;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  border-radius: 4px;
}
.chatbot-panel__close:hover { background: rgba(255, 255, 255, 0.12); }

.chatbot-panel__transcript {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
  background: var(--carbon-10, #F4F4F4);
  display: flex;
  flex-direction: column;
  gap: 10px;
  scroll-behavior: smooth;
}

/* --- bubbles ------------------------------------------------ */
.chatbot-msg {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-wrap: break-word;
}
.chatbot-msg--assistant {
  align-self: flex-start;
  background: #fff;
  color: var(--carbon-100, #161616);
  border: 1px solid var(--carbon-20, #E0E0E0);
  border-bottom-left-radius: 4px;
}
.chatbot-msg--user {
  align-self: flex-end;
  background: var(--ibm-blue-60, #0F62FE);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.chatbot-msg--system {
  align-self: center;
  background: var(--carbon-20, #E0E0E0);
  color: var(--carbon-70, #525252);
  font-size: 12px;
  font-style: italic;
}

/* --- Phase B-12 flag button on assistant bubbles ---------------- */
.chatbot-msg-wrap {
  display: flex;
  flex-direction: column;
  position: relative;
  max-width: 92%;
}
.chatbot-msg-wrap--assistant {
  align-self: flex-start;
}
.chatbot-msg-wrap--user {
  align-self: flex-end;
}
.chatbot-msg-wrap--assistant .chatbot-msg {
  max-width: 100%;
}
.chatbot-msg-wrap--user .chatbot-msg {
  max-width: 100%;
}
.chatbot-flag-btn {
  align-self: flex-start;
  margin: 4px 0 0 4px;
  padding: 2px 6px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 4px;
  color: var(--carbon-50, #8d8d8d);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  line-height: 1;
  opacity: 0.55;
  transition: opacity 0.15s, color 0.15s, border-color 0.15s;
}
.chatbot-flag-btn:hover:not(:disabled) {
  opacity: 1;
  color: var(--carbon-100, #161616);
  border-color: var(--carbon-20, #E0E0E0);
  background: #fafafa;
}
.chatbot-flag-btn:focus-visible {
  outline: 2px solid var(--ibm-blue-60, #0F62FE);
  outline-offset: 1px;
  opacity: 1;
}
.chatbot-flag-btn:disabled {
  cursor: default;
  opacity: 0.35;
}
.chatbot-msg-wrap.flag-pending .chatbot-flag-btn {
  opacity: 0.4;
}
.chatbot-msg-wrap.flagged .chatbot-flag-btn {
  color: #DA1E28;
  opacity: 1;
}
.chatbot-flag-note {
  align-self: flex-start;
  margin: 2px 0 0 4px;
  font-size: 11px;
  color: #DA1E28;
  font-weight: 500;
}

/* typing dots */
.chatbot-typing {
  align-self: flex-start;
  background: #fff;
  border: 1px solid var(--carbon-20, #E0E0E0);
  border-radius: 12px;
  border-bottom-left-radius: 4px;
  padding: 12px 16px;
  display: inline-flex;
  gap: 4px;
}
.chatbot-typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--carbon-50, #8D8D8D);
  animation: chatbotTypingBounce 1.2s infinite ease-in-out;
}
.chatbot-typing span:nth-child(2) { animation-delay: 0.2s; }
.chatbot-typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes chatbotTypingBounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-4px); opacity: 1; }
}

/* --- suggested-question chips ------------------------------- */
.chatbot-panel__suggested {
  padding: 8px 16px 4px;
  background: var(--carbon-10, #F4F4F4);
  border-top: 1px solid var(--carbon-20, #E0E0E0);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.chatbot-panel__suggested[hidden] { display: none; }
.chatbot-panel__suggested button {
  padding: 6px 12px;
  background: #fff;
  border: 1px solid var(--carbon-30, #C6C6C6);
  border-radius: 16px;
  font-size: 12px;
  color: var(--carbon-90, #262626);
  cursor: pointer;
  font-family: inherit;
}
.chatbot-panel__suggested button:hover {
  background: var(--ibm-blue-10, #EDF5FF);
  border-color: var(--ibm-blue-60, #0F62FE);
  color: var(--ibm-blue-70, #0043CE);
}

/* --- inline lead capture ------------------------------------ */
.chatbot-leadcapture {
  background: var(--ibm-blue-10, #EDF5FF);
  border: 1px solid var(--ibm-blue-30, #A6C8FF);
  border-radius: 12px;
  padding: 12px 14px;
  align-self: stretch;
  font-size: 13px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.chatbot-leadcapture__title {
  font-weight: 600;
  color: var(--ibm-blue-90, #001D6C);
  font-size: 13px;
}
.chatbot-leadcapture input {
  padding: 8px 10px;
  border: 1px solid var(--carbon-30, #C6C6C6);
  border-radius: 4px;
  font-size: 13px;
  font-family: inherit;
  background: #fff;
}
.chatbot-leadcapture input:focus {
  outline: none;
  border-color: var(--ibm-blue-60, #0F62FE);
  box-shadow: 0 0 0 2px rgba(15, 98, 254, 0.20);
}
.chatbot-leadcapture button {
  padding: 8px 14px;
  background: var(--ibm-blue-60, #0F62FE);
  color: #fff;
  border: 0;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}
.chatbot-leadcapture button:hover { background: var(--ibm-blue-70, #0043CE); }
.chatbot-leadcapture button:disabled {
  background: var(--carbon-50, #8D8D8D);
  cursor: not-allowed;
}
.chatbot-leadcapture__msg {
  font-size: 12px;
  color: var(--carbon-70, #525252);
}

/* --- composer ----------------------------------------------- */
.chatbot-panel__input {
  padding: 12px 16px;
  background: #fff;
  border-top: 1px solid var(--carbon-20, #E0E0E0);
  display: flex;
  gap: 8px;
  align-items: center;
}
.chatbot-panel__input input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--carbon-30, #C6C6C6);
  border-radius: 24px;
  font-size: 14px;
  font-family: inherit;
}
.chatbot-panel__input input:focus {
  outline: none;
  border-color: var(--ibm-blue-60, #0F62FE);
  box-shadow: 0 0 0 2px rgba(15, 98, 254, 0.18);
}
.chatbot-panel__input button {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--ibm-blue-60, #0F62FE);
  color: #fff;
  border: 0;
  font-size: 20px;
  cursor: pointer;
  font-family: inherit;
  display: flex;
  align-items: center;
  justify-content: center;
}
.chatbot-panel__input button:hover { background: var(--ibm-blue-70, #0043CE); }
.chatbot-panel__input button:disabled {
  background: var(--carbon-40, #A8A8A8);
  cursor: not-allowed;
}

/* --- mobile ------------------------------------------------- */
@media (max-width: 640px) {
  .chatbot-panel {
    right: 12px;
    left: 12px;
    bottom: 84px;
    width: auto;
    height: 70vh;
  }
  .chatbot-fab {
    right: 16px;
    bottom: 16px;
  }
}

/* B-12 CSS PATCH APPLIED */
/* --- Phase B-12 flag button on assistant bubbles ---------------- */
.chatbot-msg-wrap {
  display: flex;
  flex-direction: column;
  position: relative;
  max-width: 92%;
}
.chatbot-msg-wrap--assistant { align-self: flex-start; }
.chatbot-msg-wrap--user { align-self: flex-end; }
.chatbot-msg-wrap--assistant .chatbot-msg,
.chatbot-msg-wrap--user .chatbot-msg { max-width: 100%; }
.chatbot-flag-btn {
  align-self: flex-start;
  margin: 4px 0 0 4px;
  padding: 2px 6px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 4px;
  color: var(--carbon-50, #8d8d8d);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  line-height: 1;
  opacity: 0.55;
  transition: opacity 0.15s, color 0.15s, border-color 0.15s;
}
.chatbot-flag-btn:hover:not(:disabled) {
  opacity: 1;
  color: var(--carbon-100, #161616);
  border-color: var(--carbon-20, #E0E0E0);
  background: #fafafa;
}
.chatbot-flag-btn:focus-visible {
  outline: 2px solid var(--ibm-blue-60, #0F62FE);
  outline-offset: 1px;
  opacity: 1;
}
.chatbot-flag-btn:disabled { cursor: default; opacity: 0.35; }
.chatbot-msg-wrap.flag-pending .chatbot-flag-btn { opacity: 0.4; }
.chatbot-msg-wrap.flagged .chatbot-flag-btn {
  color: #DA1E28;
  opacity: 1;
}
.chatbot-flag-note {
  align-self: flex-start;
  margin: 2px 0 0 4px;
  font-size: 11px;
  color: #DA1E28;
  font-weight: 500;
}