.ai-chat {
  --ai-chat-bg: var(--surface, #121216);
  --ai-chat-soft: var(--surface-soft, #17171d);
  --ai-chat-border: var(--border, #292932);
  --ai-chat-border-strong: var(--border-strong, #3d3d4a);
  --ai-chat-text: var(--text, #f2f2f5);
  --ai-chat-muted: var(--muted, #b4b4bf);
  --ai-chat-subtle: var(--subtle, #858591);
  --ai-chat-accent: var(--accent, #8b8bff);
  --ai-chat-accent-strong: var(--accent-strong, #6f6fff);
  --ai-chat-accent-soft: var(--accent-soft, rgba(139, 139, 255, 0.12));
  position: fixed;
  z-index: 1000;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

.ai-chat button,
.ai-chat textarea {
  font: inherit;
}

.ai-chat .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  padding: 0;
  border: 0;
  margin: -1px;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.ai-chat button {
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.ai-chat button:focus-visible,
.ai-chat textarea:focus-visible {
  outline: 2px solid var(--ai-chat-accent);
  outline-offset: 3px;
}

.ai-chat__backdrop {
  position: fixed;
  inset: 0;
  z-index: 998;
  border: 0;
  background: rgba(3, 3, 6, 0.58);
  cursor: default;
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease, visibility 220ms ease;
  visibility: hidden;
}

.ai-chat__launcher {
  position: fixed;
  right: max(24px, calc(env(safe-area-inset-right) + 16px));
  bottom: max(24px, calc(env(safe-area-inset-bottom) + 16px));
  z-index: 1001;
  display: grid;
  width: 60px;
  height: 60px;
  place-items: center;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ai-chat-accent), var(--ai-chat-accent-strong));
  box-shadow: 0 16px 42px rgba(71, 71, 190, 0.38), 0 4px 12px rgba(0, 0, 0, 0.35);
  color: #fff;
  cursor: pointer;
  transition: box-shadow 200ms ease, transform 200ms ease, opacity 200ms ease;
}

.ai-chat__launcher:hover {
  box-shadow: 0 18px 48px rgba(71, 71, 190, 0.5), 0 5px 14px rgba(0, 0, 0, 0.4);
  transform: translateY(-3px);
}

.ai-chat__launcher:active {
  transform: translateY(0) scale(0.96);
}

.ai-chat__launcher svg {
  width: 26px;
  height: 26px;
  stroke-width: 2;
}

.ai-chat__tooltip {
  position: absolute;
  top: 50%;
  right: calc(100% + 12px);
  width: max-content;
  max-width: 190px;
  padding: 7px 10px;
  border: 1px solid var(--ai-chat-border);
  border-radius: 8px;
  background: var(--ai-chat-soft);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.28);
  color: var(--ai-chat-text);
  font-size: 0.76rem;
  font-weight: 650;
  opacity: 0;
  pointer-events: none;
  transform: translate(6px, -50%);
  transition: opacity 160ms ease, transform 160ms ease;
  visibility: hidden;
  white-space: nowrap;
}

.ai-chat__launcher:hover .ai-chat__tooltip,
.ai-chat__launcher:focus-visible .ai-chat__tooltip {
  opacity: 1;
  transform: translate(0, -50%);
  visibility: visible;
}

.ai-chat__launcher[aria-expanded="true"] .ai-chat__tooltip {
  display: none;
}

.ai-chat__panel {
  position: fixed;
  right: max(24px, calc(env(safe-area-inset-right) + 16px));
  bottom: max(100px, calc(env(safe-area-inset-bottom) + 92px));
  z-index: 1000;
  display: grid;
  width: min(400px, calc(100vw - 32px));
  height: min(590px, calc(100dvh - 116px));
  max-height: calc(100dvh - 100px);
  grid-template-rows: auto minmax(0, 1fr) auto;
  overflow: hidden;
  border: 1px solid var(--ai-chat-border-strong);
  border-radius: 18px;
  background:
    radial-gradient(circle at 85% -5%, rgba(139, 139, 255, 0.15), transparent 15rem),
    var(--ai-chat-bg);
  box-shadow: 0 26px 80px rgba(0, 0, 0, 0.5), 0 8px 24px rgba(0, 0, 0, 0.28);
  color: var(--ai-chat-text);
  opacity: 0;
  pointer-events: none;
  transform: translateY(14px) scale(0.97);
  transform-origin: bottom right;
  transition: opacity 220ms ease, transform 220ms ease;
}

.ai-chat.is-open .ai-chat__panel {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.ai-chat__header {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  padding: 16px;
  border-bottom: 1px solid var(--ai-chat-border);
  background: rgba(18, 18, 22, 0.82);
  backdrop-filter: blur(14px);
}

.ai-chat__avatar {
  display: grid;
  width: 42px;
  height: 42px;
  flex: none;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 12px;
  background: linear-gradient(135deg, var(--ai-chat-accent), var(--ai-chat-accent-strong));
  box-shadow: 0 8px 22px rgba(111, 111, 255, 0.24);
  color: #fff;
}

.ai-chat__avatar svg {
  width: 21px;
  height: 21px;
}

.ai-chat__avatar img {
  width: 34px;
  height: 34px;
  object-fit: contain;
}

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

.ai-chat__identity h2 {
  margin: 0;
  color: var(--ai-chat-text);
  font-size: 0.96rem;
  font-weight: 750;
  letter-spacing: -0.01em;
  line-height: 1.25;
}

.ai-chat__identity p {
  margin: 3px 0 0;
  overflow: hidden;
  color: var(--ai-chat-subtle);
  font-size: 0.72rem;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ai-chat__status {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
  color: var(--ai-chat-muted);
  font-size: 0.68rem;
}

.ai-chat__status::before {
  width: 6px;
  height: 6px;
  flex: none;
  border-radius: 50%;
  background: var(--ai-chat-subtle);
  content: "";
}

.ai-chat__status--online::before {
  background: #53d98c;
  box-shadow: 0 0 0 3px rgba(83, 217, 140, 0.12);
}

.ai-chat__status--loading::before {
  background: #f2c768;
  animation: ai-chat-status-pulse 900ms ease-in-out infinite alternate;
}

.ai-chat__status--error::before {
  background: #ff7e7e;
}

.ai-chat__header-actions {
  display: flex;
  flex: none;
  align-items: center;
  gap: 2px;
}

.ai-chat__icon-button {
  position: relative;
  display: grid;
  width: 38px;
  height: 38px;
  flex: none;
  place-items: center;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 10px;
  background: transparent;
  color: var(--ai-chat-muted);
  cursor: pointer;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.ai-chat__icon-button:hover {
  border-color: var(--ai-chat-border);
  background: rgba(255, 255, 255, 0.05);
  color: var(--ai-chat-text);
}

.ai-chat__icon-button:active {
  transform: scale(0.94);
}

.ai-chat__icon-button:disabled {
  cursor: not-allowed;
  opacity: 0.35;
}

.ai-chat__icon-button svg {
  width: 19px;
  height: 19px;
}

.ai-chat__messages {
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  padding: 18px 16px 14px;
  overscroll-behavior: contain;
  scrollbar-color: var(--ai-chat-border-strong) transparent;
  scrollbar-width: thin;
}

.ai-chat__message-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ai-chat__message {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  min-width: 0;
}

.ai-chat__message--user {
  justify-content: flex-end;
}

.ai-chat__message-avatar {
  display: grid;
  width: 26px;
  height: 26px;
  flex: none;
  place-items: center;
  border: 1px solid var(--ai-chat-border);
  border-radius: 8px;
  background: var(--ai-chat-soft);
  color: var(--ai-chat-accent);
}

.ai-chat__message-avatar svg {
  width: 14px;
  height: 14px;
}

.ai-chat__message-avatar img {
  width: 22px;
  height: 22px;
  object-fit: contain;
}

.ai-chat__bubble {
  min-width: 0;
  max-width: min(84%, 304px);
  padding: 11px 13px;
  border: 1px solid var(--ai-chat-border);
  border-radius: 14px 14px 14px 4px;
  margin: 0;
  background: var(--ai-chat-soft);
  color: var(--ai-chat-muted);
  font-size: 0.84rem;
  line-height: 1.55;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.ai-chat__message--user .ai-chat__bubble {
  border-color: rgba(159, 159, 255, 0.38);
  border-radius: 14px 14px 4px;
  background: linear-gradient(135deg, var(--ai-chat-accent), var(--ai-chat-accent-strong));
  color: #fff;
}

.ai-chat__plain-text {
  margin: 0;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.ai-chat__markdown {
  min-width: 0;
  overflow-wrap: anywhere;
}

.ai-chat__markdown > :first-child {
  margin-top: 0;
}

.ai-chat__markdown > :last-child {
  margin-bottom: 0;
}

.ai-chat__markdown p {
  margin: 0 0 0.72em;
}

.ai-chat__message--greeting .ai-chat__markdown > p:first-child {
  color: var(--ai-chat-text);
  font-size: 0.92rem;
  font-weight: 720;
  letter-spacing: -0.01em;
  line-height: 1.4;
}

.ai-chat__markdown h1,
.ai-chat__markdown h2,
.ai-chat__markdown h3,
.ai-chat__markdown h4,
.ai-chat__markdown h5,
.ai-chat__markdown h6 {
  margin: 1em 0 0.42em;
  color: var(--ai-chat-text);
  font-weight: 720;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.ai-chat__markdown h1 {
  font-size: 1.14em;
}

.ai-chat__markdown h2 {
  font-size: 1.08em;
}

.ai-chat__markdown h3,
.ai-chat__markdown h4,
.ai-chat__markdown h5,
.ai-chat__markdown h6 {
  font-size: 1em;
}

.ai-chat__markdown ul,
.ai-chat__markdown ol {
  margin: 0.48em 0 0.78em;
  padding-left: 1.45em;
}

.ai-chat__markdown li + li {
  margin-top: 0.28em;
}

.ai-chat__markdown strong {
  color: var(--ai-chat-text);
  font-weight: 720;
}

.ai-chat__markdown a {
  color: #bdbdff;
  font-weight: 620;
  overflow-wrap: anywhere;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

.ai-chat__markdown a:hover {
  color: #d7d7ff;
}

.ai-chat__markdown blockquote {
  margin: 0.72em 0;
  padding: 0.08em 0 0.08em 0.82em;
  border-left: 3px solid rgba(139, 139, 255, 0.55);
  color: var(--ai-chat-subtle);
}

.ai-chat__markdown blockquote > :last-child {
  margin-bottom: 0;
}

.ai-chat__markdown code,
.ai-chat__markdown pre {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.ai-chat__markdown :not(pre) > code {
  padding: 0.12em 0.35em;
  border: 1px solid rgba(139, 139, 255, 0.2);
  border-radius: 5px;
  background: rgba(139, 139, 255, 0.1);
  color: #ddddff;
  font-size: 0.92em;
  overflow-wrap: anywhere;
}

.ai-chat__markdown pre {
  max-width: 100%;
  margin: 0.72em 0;
  overflow-x: auto;
  padding: 11px 12px;
  border: 1px solid var(--ai-chat-border);
  border-radius: 8px;
  background: #0b0b0e;
  color: #dedee7;
  font-size: 0.9em;
  line-height: 1.5;
  overscroll-behavior-inline: contain;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
  white-space: pre;
}

.ai-chat__markdown pre code {
  display: block;
  min-width: max-content;
}

.ai-chat__markdown hr {
  height: 1px;
  margin: 0.9em 0;
  border: 0;
  background: var(--ai-chat-border-strong);
}

.ai-chat__table-wrap {
  max-width: 100%;
  margin: 0.72em 0;
  overflow-x: auto;
  border: 1px solid var(--ai-chat-border);
  border-radius: 8px;
  overscroll-behavior-inline: contain;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.ai-chat__table-wrap:focus-visible {
  outline: 2px solid var(--ai-chat-accent);
  outline-offset: 2px;
}

.ai-chat__markdown table {
  width: max-content;
  min-width: 100%;
  border-collapse: collapse;
  font-size: 0.92em;
}

.ai-chat__markdown th,
.ai-chat__markdown td {
  max-width: 220px;
  padding: 7px 9px;
  border-right: 1px solid var(--ai-chat-border);
  border-bottom: 1px solid var(--ai-chat-border);
  overflow-wrap: anywhere;
  vertical-align: top;
}

.ai-chat__markdown th {
  background: rgba(139, 139, 255, 0.08);
  color: var(--ai-chat-text);
  font-weight: 680;
}

.ai-chat__markdown tr:last-child td {
  border-bottom: 0;
}

.ai-chat__markdown th:last-child,
.ai-chat__markdown td:last-child {
  border-right: 0;
}

.ai-chat__table-cell--center {
  text-align: center;
}

.ai-chat__table-cell--right {
  text-align: right;
}

.ai-chat__suggestions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 14px 0 2px 34px;
}

.ai-chat.has-user-message .ai-chat__suggestions,
.ai-chat__suggestions[hidden] {
  display: none;
}

.ai-chat__suggestions-label {
  grid-column: 1 / -1;
  margin: 0 0 2px;
  color: var(--ai-chat-subtle);
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.ai-chat__suggestion {
  min-height: 46px;
  padding: 8px 11px;
  border: 1px solid var(--ai-chat-border-strong);
  border-radius: 11px;
  background: rgba(139, 139, 255, 0.06);
  color: var(--ai-chat-muted);
  cursor: pointer;
  font-size: 0.72rem;
  line-height: 1.35;
  text-align: left;
  transition: background 170ms ease, border-color 170ms ease, color 170ms ease, transform 170ms ease;
}

.ai-chat__suggestion:hover,
.ai-chat__suggestion.is-selected {
  border-color: var(--ai-chat-accent);
  background: var(--ai-chat-accent-soft);
  color: var(--ai-chat-text);
  transform: translateY(-1px);
}

.ai-chat__future-state {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 12px 0 0 34px;
  color: var(--ai-chat-subtle);
  font-size: 0.76rem;
}

.ai-chat__typing-dots {
  display: inline-flex;
  gap: 3px;
}

.ai-chat__typing-dots span {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  animation: ai-chat-pulse 900ms ease-in-out infinite alternate;
}

.ai-chat__typing-dots span:nth-child(2) {
  animation-delay: 150ms;
}

.ai-chat__typing-dots span:nth-child(3) {
  animation-delay: 300ms;
}

.ai-chat__error {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 12px;
  margin: 12px 0 0 34px;
  padding: 9px 11px;
  border: 1px solid rgba(255, 126, 126, 0.3);
  border-radius: 10px;
  background: rgba(255, 94, 94, 0.08);
  color: #ffc1c1;
  font-size: 0.76rem;
}

.ai-chat__retry {
  min-height: 32px;
  padding: 5px 9px;
  border: 1px solid rgba(255, 193, 193, 0.38);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.04);
  color: #ffd5d5;
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 650;
}

.ai-chat__retry:hover {
  background: rgba(255, 255, 255, 0.09);
}

.ai-chat__composer {
  padding: 12px 14px max(14px, env(safe-area-inset-bottom));
  border-top: 1px solid var(--ai-chat-border);
  background: rgba(18, 18, 22, 0.9);
}

.ai-chat__quota {
  margin: 0 2px 7px;
  color: var(--ai-chat-subtle);
  font-size: 0.68rem;
  font-variant-numeric: tabular-nums;
  line-height: 1.35;
}

.ai-chat__quota.is-exhausted {
  color: #f2c768;
}

.ai-chat__composer-row {
  display: flex;
  align-items: flex-end;
  gap: 8px;
}

.ai-chat__input {
  width: 100%;
  min-height: 44px;
  max-height: 112px;
  resize: none;
  overflow-y: auto;
  scrollbar-width: none;
  padding: 11px 12px;
  border: 1px solid var(--ai-chat-border-strong);
  border-radius: 11px;
  background: var(--ai-chat-soft);
  color: var(--ai-chat-text);
  caret-color: var(--ai-chat-accent);
  font-size: 0.84rem;
  line-height: 1.5;
  transition: background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.ai-chat__input::-webkit-scrollbar {
  display: none;
}

.ai-chat__input::placeholder {
  color: var(--ai-chat-subtle);
}

.ai-chat__input:hover {
  border-color: #4a4a59;
}

.ai-chat__input:focus {
  border-color: var(--ai-chat-accent);
  background: #1a1a21;
  box-shadow: 0 0 0 3px var(--ai-chat-accent-soft);
}

.ai-chat__input:disabled {
  cursor: not-allowed;
  opacity: 0.58;
}

.ai-chat__send {
  display: grid;
  width: 44px;
  height: 44px;
  flex: none;
  place-items: center;
  padding: 0;
  border: 0;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--ai-chat-accent), var(--ai-chat-accent-strong));
  box-shadow: 0 8px 20px rgba(111, 111, 255, 0.22);
  color: #fff;
  cursor: pointer;
  transition: opacity 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.ai-chat__send:hover:not(:disabled) {
  box-shadow: 0 10px 24px rgba(111, 111, 255, 0.32);
  transform: translateY(-1px);
}

.ai-chat__send:active:not(:disabled) {
  transform: scale(0.95);
}

.ai-chat__send:disabled {
  box-shadow: none;
  cursor: not-allowed;
  opacity: 0.34;
}

.ai-chat__send svg {
  width: 18px;
  height: 18px;
}

.ai-chat__composer-hint {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin: 7px 2px 0;
  color: var(--ai-chat-subtle);
  font-size: 0.66rem;
  line-height: 1.35;
}

.ai-chat__character-count {
  flex: none;
  font-variant-numeric: tabular-nums;
}

.ai-chat__character-count.is-near-limit {
  color: #f2c768;
}

.ai-chat__input:invalid + .ai-chat__send {
  cursor: not-allowed;
  opacity: 0.34;
}

@keyframes ai-chat-pulse {
  from {
    opacity: 0.35;
    transform: translateY(1px);
  }
  to {
    opacity: 1;
    transform: translateY(-1px);
  }
}

@keyframes ai-chat-status-pulse {
  from {
    opacity: 0.45;
  }
  to {
    opacity: 1;
  }
}

@media (max-width: 600px) {
  body.ai-chat-open {
    overflow: hidden;
    overscroll-behavior: none;
  }

  .ai-chat.is-open .ai-chat__backdrop {
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
  }

  .ai-chat__panel {
    inset: 0;
    width: 100%;
    height: 100dvh;
    max-height: 100dvh;
    border: 0;
    border-radius: 0;
    transform: translateY(16px);
  }

  .ai-chat__launcher[aria-expanded="true"] {
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
  }

  .ai-chat__header {
    gap: 10px;
    padding:
      max(12px, env(safe-area-inset-top))
      max(12px, env(safe-area-inset-right))
      12px
      max(12px, env(safe-area-inset-left));
  }

  .ai-chat__identity p {
    max-width: 210px;
  }

  .ai-chat__header-actions {
    gap: 0;
  }

  .ai-chat__icon-button {
    width: 44px;
    height: 44px;
  }

  .ai-chat__messages {
    padding:
      16px
      max(12px, env(safe-area-inset-right))
      12px
      max(12px, env(safe-area-inset-left));
    -webkit-overflow-scrolling: touch;
    scroll-padding-bottom: 16px;
  }

  .ai-chat__bubble {
    max-width: calc(100% - 34px);
    font-size: 0.9rem;
  }

  .ai-chat__message--user .ai-chat__bubble {
    max-width: 90%;
  }

  .ai-chat__suggestions {
    grid-template-columns: 1fr;
    margin-left: 0;
  }

  .ai-chat__suggestion {
    min-height: 48px;
    padding: 11px 13px;
    font-size: 0.8rem;
  }

  .ai-chat__future-state,
  .ai-chat__error {
    margin-left: 0;
  }

  .ai-chat__composer-hint > span:first-child {
    display: none;
  }

  .ai-chat__composer-hint {
    justify-content: flex-end;
  }

  .ai-chat__composer {
    padding:
      10px
      max(12px, env(safe-area-inset-right))
      max(10px, env(safe-area-inset-bottom))
      max(12px, env(safe-area-inset-left));
  }

  .ai-chat__input {
    min-height: 48px;
    padding: 11px 13px;
    font-size: 1rem;
  }

  .ai-chat__send {
    width: 48px;
    height: 48px;
  }

  .ai-chat__retry {
    min-height: 44px;
    padding-inline: 12px;
  }

  .ai-chat__tooltip {
    display: none;
  }
}

@media (max-width: 380px) {
  .ai-chat__identity p {
    display: none;
  }

  .ai-chat__status {
    font-size: 0.64rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ai-chat *,
  .ai-chat *::before,
  .ai-chat *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}