/**
 * XJ Industrial Field Guide / AI assistant
 * The assistant is a small field terminal attached to the atlas, not a
 * separate blue customer-service product.
 */
:root {
  --ai-ink: var(--atlas-ink, #101b1a);
  --ai-ink-soft: var(--atlas-ink-soft, #1a2826);
  --ai-paper: var(--atlas-paper, #f2f0e8);
  --ai-white: var(--atlas-white, #fcfbf6);
  --ai-lime: var(--atlas-lime, #d8f36a);
  --ai-sky: var(--atlas-sky, #86d8d5);
  --ai-coral: var(--atlas-coral, #ee765d);
  --ai-line: rgba(242, 240, 232, .18);
  --ai-muted: rgba(242, 240, 232, .58);
  --ai-display: var(--atlas-display, 'Space Grotesk', 'Noto Sans SC', sans-serif);
  --ai-body: var(--atlas-body, 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif);
}

#ai-chat-widget,
#ai-chat-widget * {
  box-sizing: border-box;
}

#ai-chat-widget {
  color: var(--ai-paper);
  font-family: var(--ai-body);
}

.ai-chat-shell {
  font-size: 14px;
}

.ai-chat-float-btn {
  align-items: center;
  background: var(--ai-lime);
  border: 1px solid var(--ai-lime);
  bottom: 28px;
  box-shadow: 8px 8px 0 rgba(16, 27, 26, .18);
  color: var(--ai-ink);
  cursor: pointer;
  display: grid;
  gap: 10px;
  grid-template-columns: 34px 1fr;
  height: 58px;
  padding: 9px 14px 9px 10px;
  position: fixed;
  right: 28px;
  text-align: left;
  transition: transform .24s cubic-bezier(.22, 1, .36, 1), box-shadow .24s ease;
  width: 148px;
  z-index: 9999;
}

.ai-chat-float-btn::before {
  border: 1px solid rgba(16, 27, 26, .32);
  content: '';
  inset: 4px;
  pointer-events: none;
  position: absolute;
}

.ai-chat-float-btn:hover {
  box-shadow: 12px 12px 0 rgba(16, 27, 26, .18);
  transform: translate(-3px, -3px);
}

.ai-chat-float-btn:focus-visible,
.ai-chat-dialog button:focus-visible {
  outline: 2px solid var(--ai-lime);
  outline-offset: 3px;
}

.ai-float-mark,
.title-mark {
  align-items: center;
  background: var(--ai-ink);
  color: var(--ai-lime);
  display: inline-flex;
  font-family: var(--ai-display);
  font-size: 11px;
  font-weight: 700;
  height: 34px;
  justify-content: center;
  letter-spacing: -.08em;
  position: relative;
  width: 34px;
}

.ai-float-copy,
.title-copy {
  display: grid;
  gap: 2px;
  min-width: 0;
  position: relative;
}

.ai-float-copy strong {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .02em;
}

.ai-float-copy small {
  font-family: var(--ai-display);
  font-size: 8px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.ai-chat-float-btn .close-icon {
  display: none;
}

.ai-chat-float-btn.is-open .ai-float-mark,
.ai-chat-float-btn.is-open .ai-float-copy {
  display: none;
}

.ai-chat-float-btn.is-open .close-icon {
  display: block;
  fill: var(--ai-ink);
  height: 24px;
  margin: auto;
  width: 24px;
}

.ai-chat-dialog {
  background: var(--ai-ink);
  border: 1px solid rgba(242, 240, 232, .28);
  bottom: 104px;
  box-shadow: 18px 18px 0 rgba(16, 27, 26, .16), 0 28px 80px rgba(16, 27, 26, .3);
  display: flex;
  flex-direction: column;
  height: min(630px, calc(100vh - 132px));
  overflow: hidden;
  position: fixed;
  right: 28px;
  width: min(420px, calc(100vw - 40px));
  z-index: 9998;
}

.ai-chat-dialog::before {
  border: 1px solid rgba(134, 216, 213, .28);
  content: '';
  height: 112px;
  pointer-events: none;
  position: absolute;
  right: -32px;
  top: -44px;
  transform: rotate(18deg);
  width: 112px;
}

.ai-dialog-enter-active,
.ai-dialog-leave-active {
  transition: opacity .24s ease, transform .24s cubic-bezier(.22, 1, .36, 1);
}

.ai-dialog-enter,
.ai-dialog-leave-to {
  opacity: 0;
  transform: translateY(18px) scale(.97);
}

.ai-chat-header {
  align-items: center;
  background: var(--ai-ink-soft);
  border-bottom: 1px solid var(--ai-line);
  display: flex;
  flex-shrink: 0;
  justify-content: space-between;
  min-height: 76px;
  padding: 15px 18px;
  position: relative;
  z-index: 1;
}

.header-title {
  align-items: center;
  display: flex;
  gap: 11px;
}

.title-mark {
  background: var(--ai-lime);
  color: var(--ai-ink);
}

.title-copy strong {
  color: var(--ai-white);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: .02em;
}

.title-copy small {
  color: var(--ai-muted);
  font-family: var(--ai-display);
  font-size: 8px;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.header-actions {
  align-items: center;
  display: flex;
  gap: 12px;
}

.header-status {
  color: var(--ai-muted);
  font-family: var(--ai-display);
  font-size: 9px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.header-status i,
.ai-input-note span {
  background: var(--ai-lime);
  border-radius: 50%;
  display: inline-block;
  height: 6px;
  margin-right: 5px;
  vertical-align: 1px;
  width: 6px;
}

.close-btn {
  align-items: center;
  background: transparent;
  border: 1px solid var(--ai-line);
  color: var(--ai-paper);
  cursor: pointer;
  display: inline-flex;
  height: 30px;
  justify-content: center;
  padding: 0;
  transition: border-color .2s ease, color .2s ease;
  width: 30px;
}

.close-btn:hover {
  border-color: var(--ai-lime);
  color: var(--ai-lime);
}

.close-btn .close-icon {
  fill: currentColor;
  height: 15px;
  width: 15px;
}

.ai-chat-messages {
  background: var(--ai-ink);
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 24px 20px 20px;
  position: relative;
  scrollbar-color: rgba(216, 243, 106, .5) transparent;
  scrollbar-width: thin;
}

.ai-chat-messages::after {
  background-image: radial-gradient(rgba(242, 240, 232, .13) 1px, transparent 1px);
  background-size: 16px 16px;
  content: '';
  inset: 0;
  opacity: .18;
  pointer-events: none;
  position: absolute;
}

.ai-chat-messages > * {
  position: relative;
  z-index: 1;
}

.ai-welcome-message {
  padding: 14px 4px 22px;
}

.welcome-kicker,
.ai-message-meta,
.ai-input-note,
.ai-chat-footer,
.ai-clear-btn {
  font-family: var(--ai-display);
  letter-spacing: .12em;
  text-transform: uppercase;
}

.welcome-kicker {
  color: var(--ai-lime);
  font-size: 9px;
  margin: 0 0 28px;
}

.welcome-title {
  color: var(--ai-white);
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -.04em;
  line-height: 1.18;
  margin-bottom: 12px;
}

.welcome-desc {
  color: var(--ai-muted);
  font-size: 13px;
  line-height: 1.75;
  max-width: 300px;
}

.ai-suggested-questions {
  display: grid;
  gap: 8px;
  margin-top: 26px;
}

.ai-suggested-question {
  align-items: center;
  background: rgba(242, 240, 232, .03);
  border: 1px solid var(--ai-line);
  color: var(--ai-paper);
  cursor: pointer;
  display: flex;
  font-family: var(--ai-body);
  font-size: 12px;
  justify-content: space-between;
  padding: 11px 13px;
  text-align: left;
  transition: background .2s ease, border-color .2s ease, color .2s ease;
  width: 100%;
}

.ai-suggested-question:hover {
  background: rgba(216, 243, 106, .1);
  border-color: rgba(216, 243, 106, .7);
  color: var(--ai-lime);
}

.ai-message {
  animation: ai-message-in .28s ease-out;
  display: flex;
  flex-direction: column;
  margin-bottom: 18px;
}

@keyframes ai-message-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.ai-message.user-message {
  align-items: flex-end;
}

.ai-message-meta {
  color: var(--ai-muted);
  font-size: 8px;
  margin: 0 0 6px 2px;
}

.ai-message-meta span {
  color: var(--ai-sky);
  margin-left: 5px;
}

.ai-message-bubble {
  border-left: 2px solid var(--ai-sky);
  color: var(--ai-paper);
  font-size: 13px;
  line-height: 1.75;
  max-width: 86%;
  padding: 12px 14px;
  word-break: break-word;
}

.ai-message.user-message .ai-message-bubble {
  background: var(--ai-lime);
  border-left: 0;
  color: var(--ai-ink);
  max-width: 82%;
}

.ai-message-bubble--streaming {
  border-left-color: var(--ai-lime);
}

.ai-message.is-error .ai-message-bubble {
  border-left-color: var(--ai-coral);
  color: #ffc2b6;
}

.message-text {
  white-space: normal;
}

.message-text > :first-child {
  margin-top: 0;
}

.message-text > :last-child {
  margin-bottom: 0;
}

.message-text p {
  margin: 0 0 10px;
}

.message-text h1,
.message-text h2,
.message-text h3,
.message-text h4,
.message-text h5,
.message-text h6 {
  color: var(--ai-white);
  font-family: var(--ai-display);
  line-height: 1.25;
  margin: 14px 0 7px;
}

.message-text h1 { font-size: 18px; }
.message-text h2 { font-size: 16px; }
.message-text h3 { font-size: 14px; }
.message-text h4,
.message-text h5,
.message-text h6 { font-size: 13px; }

.message-text ul,
.message-text ol {
  margin: 7px 0 10px;
  padding-left: 20px;
}

.message-text li {
  margin: 3px 0;
  padding-left: 2px;
}

.message-text blockquote {
  border-left: 2px solid var(--ai-sky);
  color: var(--ai-muted);
  margin: 10px 0;
  padding-left: 11px;
}

.message-text strong {
  color: var(--ai-white);
  font-weight: 800;
}

.message-text code {
  background: rgba(134, 216, 213, .12);
  color: var(--ai-lime);
  font-family: var(--ai-display);
  font-size: .9em;
  padding: 2px 5px;
}

.message-text pre {
  background: rgba(0, 0, 0, .26);
  border: 1px solid var(--ai-line);
  margin: 10px 0;
  max-width: 100%;
  overflow-x: auto;
  padding: 11px 12px;
}

.message-text pre code {
  background: transparent;
  display: block;
  font-size: 11px;
  line-height: 1.6;
  padding: 0;
  white-space: pre;
}

.message-text a {
  color: var(--ai-lime);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

.message-text hr {
  border: 0;
  border-top: 1px solid var(--ai-line);
  margin: 14px 0;
}

.ai-message.user-message .message-text h1,
.ai-message.user-message .message-text h2,
.ai-message.user-message .message-text h3,
.ai-message.user-message .message-text h4,
.ai-message.user-message .message-text h5,
.ai-message.user-message .message-text h6,
.ai-message.user-message .message-text strong {
  color: var(--ai-ink);
}

.ai-message.user-message .message-text blockquote {
  border-left-color: var(--ai-ink);
  color: rgba(16, 27, 26, .68);
}

.ai-message.user-message .message-text code {
  background: rgba(16, 27, 26, .1);
  color: var(--ai-ink);
}

.ai-message.user-message .message-text a {
  color: var(--ai-ink);
}

.ai-cursor {
  animation: ai-cursor-blink .9s step-end infinite;
  background: var(--ai-lime);
  display: inline-block;
  height: 14px;
  margin-left: 3px;
  vertical-align: -2px;
  width: 2px;
}

@keyframes ai-cursor-blink {
  50% { opacity: 0; }
}

.ai-loading-dots {
  display: flex;
  gap: 5px;
}

.ai-loading-dots i {
  animation: ai-dot 1.2s infinite ease-in-out;
  background: var(--ai-lime);
  display: block;
  height: 5px;
  width: 5px;
}

.ai-loading-dots i:nth-child(2) { animation-delay: .15s; }
.ai-loading-dots i:nth-child(3) { animation-delay: .3s; }

@keyframes ai-dot {
  0%, 60%, 100% { opacity: .3; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-3px); }
}

.ai-chat-input-area {
  background: var(--ai-ink-soft);
  border-top: 1px solid var(--ai-line);
  flex-shrink: 0;
  padding: 14px 18px 11px;
}

.ai-chat-input-wrapper {
  align-items: center;
  display: flex;
  gap: 9px;
}

.ai-chat-input {
  flex: 1;
  min-width: 0;
}

.ai-chat-input .el-input__inner {
  background: rgba(242, 240, 232, .04) !important;
  border: 1px solid var(--ai-line) !important;
  border-radius: 0 !important;
  color: var(--ai-paper) !important;
  font-family: var(--ai-body);
  font-size: 12px;
  height: 42px;
  padding: 0 13px;
}

.ai-chat-input .el-input__inner:focus {
  border-color: var(--ai-lime) !important;
  box-shadow: 0 0 0 1px rgba(216, 243, 106, .18) !important;
}

.ai-chat-input .el-input__inner::placeholder {
  color: rgba(242, 240, 232, .42);
}

.ai-send-btn {
  align-items: center;
  background: var(--ai-lime);
  border: 0;
  color: var(--ai-ink);
  cursor: pointer;
  display: inline-flex;
  flex: 0 0 42px;
  height: 42px;
  justify-content: center;
  padding: 0;
  transition: background .2s ease, transform .2s ease;
}

.ai-send-btn:hover:not(:disabled) {
  background: var(--ai-white);
  transform: translateY(-2px);
}

.ai-send-btn:disabled {
  background: rgba(216, 243, 106, .25);
  cursor: not-allowed;
}

.send-icon {
  fill: currentColor;
  height: 17px;
  width: 17px;
}

.send-spinner {
  border: 2px solid rgba(16, 27, 26, .28);
  border-left-color: var(--ai-ink);
  border-radius: 50%;
  height: 17px;
  width: 17px;
  animation: ai-spin .8s linear infinite;
}

@keyframes ai-spin { to { transform: rotate(360deg); } }

.ai-input-note {
  color: rgba(242, 240, 232, .42);
  font-size: 8px;
  margin: 8px 0 0;
}

.ai-input-note span {
  background: var(--ai-sky);
  height: 5px;
  width: 5px;
}

.ai-chat-footer {
  align-items: center;
  background: var(--ai-ink-soft);
  border-top: 1px solid rgba(242, 240, 232, .08);
  color: rgba(242, 240, 232, .35);
  display: flex;
  flex-shrink: 0;
  font-size: 8px;
  justify-content: space-between;
  padding: 9px 18px;
}

.ai-clear-btn {
  background: transparent;
  border: 0;
  color: rgba(242, 240, 232, .5);
  cursor: pointer;
  font-size: 8px;
  padding: 2px 0;
}

.ai-clear-btn:hover {
  color: var(--ai-coral);
}

@media (max-width: 600px) {
  .ai-chat-float-btn {
    bottom: 18px;
    right: 18px;
  }

  .ai-chat-dialog {
    bottom: 86px;
    height: min(680px, calc(100vh - 108px));
    right: 12px;
    width: calc(100vw - 24px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .ai-chat-float-btn,
  .ai-dialog-enter-active,
  .ai-dialog-leave-active,
  .ai-message,
  .ai-cursor,
  .ai-loading-dots i,
  .send-spinner {
    animation: none !important;
    transition: none !important;
  }
}