.document-ai-button {
  border-color: #91b8ef !important;
  background: #eaf3ff !important;
  color: #1557b0 !important;
  font-weight: 750;
}

.document-ai-open .integrated-pdf-frame {
  flex: 1 1 auto;
  width: auto;
  min-width: 0;
}

.document-ai-panel {
  flex: 0 0 clamp(360px, 34vw, 520px);
  min-width: 340px;
  min-height: 0;
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--border);
  background: var(--card);
  box-shadow: -10px 0 28px rgba(15, 42, 77, .12);
}

.document-ai-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px 12px;
}

.document-ai-panel-header > div { display: flex; flex-direction: column; gap: 3px; }
.document-ai-panel-header span { color: var(--primary); font-size: 10px; font-weight: 850; letter-spacing: .09em; }
.document-ai-panel-header strong { font-size: 17px; }
.document-ai-panel-header button {
  width: 32px; height: 32px; border: 0; border-radius: 9px; cursor: pointer;
  background: var(--primary-light); color: var(--text-sec); font-size: 22px;
}

.document-ai-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5px;
  margin: 0 18px;
  padding: 4px;
  border-radius: 10px;
  background: var(--bg);
}

.document-ai-tabs button {
  padding: 8px; border: 0; border-radius: 7px; cursor: pointer;
  background: transparent; color: var(--text-sec); font-weight: 700;
}
.document-ai-tabs button.active { background: var(--card); color: var(--primary); box-shadow: 0 2px 8px rgba(15, 42, 77, .09); }

.document-ai-panel-content { min-height: 0; flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.document-ai-answer,
.document-ai-chat-log,
.document-ai-message > div,
.document-ai-markdown {
  -webkit-user-select: text !important;
  user-select: text !important;
  cursor: text;
}
.document-ai-answer { flex: 1; overflow: auto; padding: 20px 22px; font-size: 13.5px; line-height: 1.65; }
.document-ai-markdown { overflow-wrap: anywhere; }
.document-ai-markdown > :first-child { margin-top: 0; }
.document-ai-markdown > :last-child { margin-bottom: 0; }
.document-ai-markdown p { margin: 0 0 12px; }
.document-ai-markdown h1,
.document-ai-markdown h2,
.document-ai-markdown h3,
.document-ai-markdown h4 {
  margin: 20px 0 9px;
  color: var(--text);
  font-weight: 800;
  line-height: 1.25;
}
.document-ai-markdown h1 { font-size: 19px; }
.document-ai-markdown h2 { font-size: 17px; }
.document-ai-markdown h3 { font-size: 15px; }
.document-ai-markdown h4 { font-size: 14px; }
.document-ai-markdown ul,
.document-ai-markdown ol { margin: 0 0 13px; padding-left: 22px; }
.document-ai-markdown li { margin: 4px 0; padding-left: 2px; }
.document-ai-markdown blockquote {
  margin: 12px 0; padding: 9px 12px; border-left: 3px solid var(--primary);
  border-radius: 0 8px 8px 0; background: var(--primary-light); color: var(--text-sec);
}
.document-ai-markdown hr { margin: 17px 0; border: 0; border-top: 1px solid var(--border); }
.document-ai-markdown a { color: var(--primary); text-decoration: underline; text-underline-offset: 2px; }
.matter-ai-inline-citation {
  margin-left: 2px;
  vertical-align: super;
  font-size: .72em;
  line-height: 0;
}
.matter-ai-inline-citation button {
  min-width: 18px;
  padding: 0 3px;
  border: 0;
  border-radius: 5px;
  background: color-mix(in srgb, #0f766e 13%, var(--card));
  color: #0f766e;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  line-height: 1.45;
}
.matter-ai-citation-footnotes {
  margin: 10px 0 0;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--card);
  color: var(--text-sec);
  font-size: 11px;
  line-height: 1.45;
}
.matter-ai-citation-footnotes summary {
  color: var(--text);
  cursor: pointer;
  font-weight: 800;
  user-select: none;
}
.matter-ai-citation-footnotes[open] summary { margin-bottom: 7px; }
.matter-ai-citation-footnotes ol { margin: 5px 0 0 18px; padding: 0; }
.matter-ai-citation-footnotes li { margin: 3px 0; }
.matter-ai-citation-footnotes button {
  max-width: 100%;
  padding: 0 4px;
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: var(--primary);
  cursor: pointer;
  font-weight: 800;
  text-align: left;
}
.matter-ai-inline-citation button:hover,
.matter-ai-inline-citation button:focus-visible {
  background: #0f766e;
  color: #fff;
  outline: none;
}
.document-ai-markdown code {
  padding: 2px 5px; border: 1px solid var(--border); border-radius: 5px;
  background: var(--card); color: var(--text); font: .92em/1.45 var(--mono);
}
.document-ai-markdown pre {
  max-width: 100%; margin: 12px 0; padding: 12px; overflow: auto;
  border: 1px solid var(--border); border-radius: 9px; background: var(--bg);
}
.document-ai-markdown pre code { padding: 0; border: 0; background: transparent; white-space: pre; }
.document-ai-markdown del { color: var(--text-muted); }
.document-ai-empty { margin: 20px; padding: 18px; border: 1px dashed var(--border); border-radius: 12px; color: var(--text-sec); line-height: 1.5; }
.document-ai-meta { padding: 8px 20px; color: var(--text-muted); font-size: 11px; }

.document-ai-loading {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 10px; min-height: 190px; padding: 24px; color: var(--text-sec); text-align: center;
}
.document-ai-loading .spinner { width: 28px; height: 28px; }
.document-ai-loading small { max-width: 280px; color: var(--text-muted); line-height: 1.4; }
.matter-ai-working { position: relative; min-height: 160px; }
.matter-ai-working-progress {
  width: min(360px, 82%);
  height: 4px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--border);
}
.matter-ai-working-progress span {
  display: block;
  width: 38%;
  height: 100%;
  border-radius: inherit;
  background: var(--primary);
  animation: matter-ai-working-slide 1.35s ease-in-out infinite;
}
@keyframes matter-ai-working-slide {
  0% { transform: translateX(-130%); }
  55%, 100% { transform: translateX(270%); }
}

.matter-ai-live-answer .matter-ai-live-body {
  border-color: color-mix(in srgb, var(--primary) 34%, var(--border));
}
.matter-ai-incomplete > div {
  border-color: color-mix(in srgb, #c2410c 48%, var(--border));
  background: color-mix(in srgb, #fff7ed 72%, var(--bg));
}
.matter-ai-live-status {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  align-items: center;
  gap: 7px 9px;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 11px;
}
.matter-ai-live-status .spinner { width: 16px; height: 16px; }
.matter-ai-live-status .matter-ai-working-progress {
  grid-column: 1 / -1;
  width: 100%;
}

.document-ai-chat-log { min-height: 0; flex: 1; overflow: auto; padding: 16px 18px; }
.document-ai-message { margin-bottom: 14px; }
.document-ai-message > span { display: block; margin: 0 0 5px 7px; color: var(--text-muted); font-size: 10px; font-weight: 800; text-transform: uppercase; }
.document-ai-message > div { padding: 11px 13px; border-radius: 13px; font-size: 13px; line-height: 1.55; }
.document-ai-message.user > div { margin-left: 32px; background: var(--primary); color: #fff; }
.document-ai-message.assistant > div { margin-right: 18px; border: 1px solid var(--border); background: var(--bg); color: var(--text); }

.document-ai-chat-form {
  display: grid; grid-template-columns: minmax(0, 1fr); gap: 9px;
  width: 100%; padding: 14px 16px; border-top: 1px solid var(--border);
}
.document-ai-chat-form textarea {
  width: 100%; min-width: 0; min-height: 82px; max-height: 190px; resize: vertical;
}
.document-ai-chat-form button { width: 100%; justify-content: center; margin: 0; }

.document-ai-panel-footer {
  min-height: 34px; display: flex; align-items: center; justify-content: space-between;
  gap: 8px; padding: 7px 18px; border-top: 1px solid var(--border);
  color: var(--text-muted); font-size: 10px;
}
.document-ai-panel-footer button { border: 0; background: transparent; color: var(--primary); cursor: pointer; font-weight: 700; }
.document-ai-footer-actions { display: flex; align-items: center; gap: 9px; white-space: nowrap; }
.document-ai-panel-footer .document-ai-save {
  padding: 4px 7px; border: 1px solid var(--border); border-radius: 6px;
  background: var(--card); color: var(--text-sec); font-size: 10px; font-weight: 700;
}
.document-ai-panel-footer .document-ai-save:hover { border-color: var(--primary); color: var(--primary); }

.editor-ai-tools { display: flex; align-items: center; gap: 4px; }
.editor-ai-tools button { color: var(--primary); font-weight: 700; }

.editor-ai-context-menu {
  position: fixed; z-index: 900; width: 240px; padding: 7px;
  border: 1px solid var(--border); border-radius: 11px; background: var(--card);
  box-shadow: 0 16px 42px rgba(15, 23, 42, .22);
}
.editor-ai-context-menu strong { display: block; padding: 7px 9px; color: var(--primary); font-size: 11px; text-transform: uppercase; }
.editor-context-menu-separator { display: block; height: 1px; margin: 6px 4px; background: var(--border); }
.editor-ai-context-menu button {
  width: 100%; padding: 9px; border: 0; border-radius: 7px; background: transparent;
  color: var(--text); cursor: pointer; text-align: left;
}
.editor-ai-context-menu button:hover { background: var(--primary-light); color: var(--primary); }

html[data-theme='dark'] .document-ai-button { background: rgba(59,130,246,.15) !important; border-color: #315b91 !important; color: #9bc4ff !important; }
html[data-theme='dark'] .document-ai-panel { box-shadow: -10px 0 28px rgba(0,0,0,.32); }

@media (max-width: 980px) {
  .document-ai-open .document-workspace-body { position: relative; flex-direction: row; }
  .document-ai-open .integrated-pdf-frame { min-height: 0; }
  .document-ai-panel {
    position: absolute; inset: 0; z-index: 25;
    width: 100%; min-width: 0; min-height: 0; flex: none;
    border: 0; background: var(--card); box-shadow: none;
  }
  .document-ai-panel-header { padding: 12px 14px 9px; }
  .document-ai-tabs { margin: 0 12px; }
  .document-ai-panel-content { min-height: 0; overflow: hidden; }
  .document-ai-answer,.document-ai-chat-log { padding: 14px; }
  .document-ai-chat-form { padding: 10px 12px; }
  .document-ai-chat-form textarea { min-height: 68px; max-height: 120px; }
  .document-ai-panel-footer { padding: 6px 12px; flex-wrap: wrap; }
}


.modal-box.matter-ai-dialog {
  width: min(980px, 96vw);
  height: auto;
  max-height: min(820px, calc(100dvh - 48px));
}
.modal-box.matter-ai-dialog .modal-body {
  display: flex;
  min-height: 0;
  padding: 0;
  overflow: hidden;
}
.matter-ai-shell {
  min-width: 0;
  min-height: 0;
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  background: var(--card);
}
.matter-ai-index {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.matter-ai-index > div {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}
.matter-ai-index > div > span:last-child {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.matter-ai-index strong { font-size: 12px; color: var(--text); }
.matter-ai-index small { color: var(--text-muted); font-size: 11px; line-height: 1.35; }
.matter-ai-index button {
  flex: 0 0 auto;
  border: 0;
  background: transparent;
  color: var(--primary);
  cursor: pointer;
  font-size: 11px;
  font-weight: 750;
}
.matter-ai-index .matter-ai-index-actions {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
}
.matter-ai-index .matter-ai-index-actions button.danger { color: var(--danger); }
.matter-ai-index .spinner {
  width: 20px;
  height: 20px;
  margin: 0;
}
.matter-ai-ready-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #16a34a;
  box-shadow: 0 0 0 4px rgba(22, 163, 74, .12);
}
.matter-ai-index.warning {
  background: color-mix(in srgb, #f59e0b 9%, var(--card));
}
.matter-ai-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  overflow: hidden;
  background: var(--border);
}
.matter-ai-index.running { position: relative; }
.matter-ai-progress span {
  display: block;
  height: 100%;
  background: var(--primary);
  transition: width .2s ease;
}
.matter-ai-provider {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
  padding: 8px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--card);
  color: var(--text-muted);
  font-size: 11px;
}
.matter-ai-provider > span { font-weight: 800; color: var(--text); }
.matter-ai-provider button {
  padding: 5px 9px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--bg);
  color: var(--text-sec);
  cursor: pointer;
  font-size: 11px;
  font-weight: 750;
}
.matter-ai-provider button.active {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary);
}
.matter-ai-provider button.active.hal {
  border-color: #0f766e;
  background: color-mix(in srgb, #0f766e 12%, var(--card));
  color: #0f766e;
}
.matter-ai-provider small { flex-basis: 100%; color: var(--text-muted); font-size: 10px; }
.matter-ai-hal-options {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  padding: 7px 16px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, #0f766e 5%, var(--card));
  font-size: 11px;
}
.matter-ai-hal-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 5px;
}
.matter-ai-hal-group > span {
  font-weight: 800;
  color: var(--text);
  margin-right: 2px;
}
.matter-ai-hal-options button {
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--bg);
  color: var(--text-sec);
  cursor: pointer;
  font-size: 11px;
  font-weight: 750;
}
.matter-ai-hal-options button.active,
.matter-ai-hal-options button.on {
  border-color: #0f766e;
  background: color-mix(in srgb, #0f766e 14%, var(--card));
  color: #0f766e;
}
.matter-ai-hal-options button.muted { opacity: .62; }
.matter-ai-hal-switch::before { content: '○ '; }
.matter-ai-hal-switch.on::before { content: '● '; }
.matter-ai-conversation-state {
  flex: 0 0 auto;
  min-height: 34px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  color: var(--text-muted);
  font-size: 11px;
}
.matter-ai-conversation-state .spinner {
  width: 15px;
  height: 15px;
  margin: 0;
}
.matter-ai-conversation-state.error { color: var(--danger); }
.matter-ai-conversation-state button {
  margin-left: auto;
  border: 0;
  background: transparent;
  color: var(--primary);
  cursor: pointer;
  font-weight: 750;
}
.matter-ai-chat-log {
  flex: 1 1 auto;
  min-height: 150px;
  background: var(--card);
}
.matter-ai-chat-log .document-ai-empty {
  max-width: 620px;
  margin: 38px auto;
  text-align: center;
}
.matter-ai-chat-log .document-ai-empty strong {
  display: block;
  margin-bottom: 8px;
  color: var(--text);
}
.matter-ai-chat-log .document-ai-empty p {
  margin: 0;
  font-size: 13px;
  line-height: 1.55;
}
.matter-ai-chat-form {
  flex: 0 0 auto;
  grid-template-columns: minmax(0, 1fr) 130px;
  align-items: end;
}
.matter-ai-chat-form button { min-height: 42px; }
.matter-ai-sources {
  margin: -7px 18px 14px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-top: 0;
  border-radius: 0 0 11px 11px;
  background: var(--card);
}
.matter-ai-sources > strong {
  display: block;
  margin-bottom: 7px;
  color: var(--text-muted);
  font-size: 9px;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.matter-ai-sources > div {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.matter-ai-sources button {
  max-width: 100%;
  padding: 5px 8px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--bg);
  color: var(--primary);
  cursor: pointer;
  font-size: 10px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.matter-ai-sources button:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}
.matter-ai-footer {
  min-height: 32px;
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 6px 16px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 10px;
}
.matter-ai-footer-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}
.matter-ai-footer-actions button {
  padding: 5px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--card);
  color: var(--primary);
  cursor: pointer;
  font-size: 10px;
  font-weight: 750;
}
.matter-ai-footer-actions .matter-ai-delete {
  border-color: color-mix(in srgb, var(--danger) 35%, var(--border));
  color: var(--danger);
}
.matter-ai-delete-warning {
  padding: 16px;
  border: 1px solid color-mix(in srgb, var(--danger) 35%, var(--border));
  border-radius: 10px;
  background: color-mix(in srgb, var(--danger) 8%, var(--card));
}
.matter-ai-delete-warning strong { color: var(--danger); }
.matter-ai-delete-warning p {
  margin: 8px 0 0;
  color: var(--text-sec);
  line-height: 1.5;
}

@media (max-width: 720px) {
  .modal-box.matter-ai-dialog {
    width: 100%;
    height: 100dvh;
    max-height: 100dvh;
  }
  .matter-ai-index { align-items: flex-start; padding: 10px 12px; }
  .matter-ai-provider { padding: 8px 12px; }
  .matter-ai-chat-form { grid-template-columns: 1fr; }
  .matter-ai-chat-form textarea { min-height: 72px; }
  .matter-ai-footer { flex-wrap: wrap; }
  .matter-ai-footer-actions { width: 100%; flex-wrap: wrap; justify-content: flex-start; }
}