/**
 * Chat UI Contract
 *
 * Loaded after the legacy chat styles. This is the final authority for
 * bubble geometry, media surfaces, search result grids, and message actions.
 * Keep new cross-message rules here instead of scattering overrides.
 */

.chat-messages {
  --chat-font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --chat-body-size: 16px;
  --chat-body-line: 1.6;
  --chat-body-color: #ececec;
  --chat-muted-color: #b4b4b4;
  --chat-row-max: min(100%, 1120px);
  --chat-text-max: min(780px, 72%);
  --chat-media-max: min(720px, 70%);
  --chat-search-max: min(1040px, calc(100vw - 150px));
  --chat-search-1-max: min(680px, calc(100vw - 150px));
  --chat-search-2-max: min(780px, calc(100vw - 150px));
  --chat-search-3-max: min(940px, calc(100vw - 150px));
  --chat-wide-panel-max: min(780px, calc(100vw - 150px));
  --chat-dialog-max: min(980px, calc(100vw - 150px));
  --chat-pill-panel-max: min(520px, calc(100vw - 150px));
  --chat-surface-bg: rgba(22, 22, 24, 0.92);
  --chat-surface-strong-bg: rgba(16, 16, 18, 0.92);
  --chat-user-bg: rgba(47, 47, 47, 0.98);
  --chat-user-bg-hover: rgba(54, 54, 54, 0.98);
  --chat-border: rgba(255, 255, 255, 0.1);
  --chat-border-hover: rgba(255, 255, 255, 0.16);
  --chat-radius: 14px;
  --chat-radius-media: 12px;
  --chat-radius-tight: 8px;
  --chat-pad-block: 12px;
  --chat-pad-inline: 14px;
  --chat-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
  --chat-shadow-strong: 0 14px 38px rgba(0, 0, 0, 0.32);
  --chat-action-size: 30px;
  --chat-action-gap: 6px;
}

/* Promptbar isolation
   This file loads after legacy pill/input CSS, so keep the shared chat
   promptbar metrics here as the final cascade authority. Centered no-project
   and bottom chat use the same component rules. */
body:not([data-active-module="model3dEditor"]):not([data-active-module="preciseEditor"]) .chat-promptbar .chat-promptbar-composer,
body:not([data-active-module="model3dEditor"]):not([data-active-module="preciseEditor"]) .chat-promptbar .message-input-container.chat-promptbar-composer,
body:not([data-active-module="model3dEditor"]):not([data-active-module="preciseEditor"]) .chat-promptbar .chat-promptbar-composer:focus-within,
body:not([data-active-module="model3dEditor"]):not([data-active-module="preciseEditor"]) .chat-promptbar .message-input-container.chat-promptbar-composer:focus-within {
  display: grid !important;
  grid-template-columns: minmax(0, 1fr) !important;
  grid-template-rows: auto auto !important;
  column-gap: 0 !important;
  row-gap: var(--cpb-composer-row-gap) !important;
  align-items: end !important;
  width: 100% !important;
  max-width: 100% !important;
  min-width: 0 !important;
  min-height: var(--cpb-composer-min-height) !important;
  padding: var(--cpb-composer-padding) !important;
  margin: 0 !important;
  background: var(--cpb-bg) !important;
  border: 1px solid var(--cpb-border) !important;
  border-radius: var(--cpb-radius) !important;
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.30) !important;
  -webkit-backdrop-filter: blur(22px) saturate(130%) !important;
  backdrop-filter: blur(22px) saturate(130%) !important;
  transform: none !important;
  transition: background 120ms ease, border-color 120ms ease, box-shadow 120ms ease !important;
}

body:not([data-active-module="model3dEditor"]):not([data-active-module="preciseEditor"]) .chat-promptbar .chat-promptbar-input,
body:not([data-active-module="model3dEditor"]):not([data-active-module="preciseEditor"]) .chat-promptbar .message-input.chat-promptbar-input,
body:not([data-active-module="model3dEditor"]):not([data-active-module="preciseEditor"]) .chat-promptbar .dc-landing-input.chat-promptbar-input,
body:not([data-active-module="model3dEditor"]):not([data-active-module="preciseEditor"]) .chat-promptbar .chat-promptbar-input:focus,
body:not([data-active-module="model3dEditor"]):not([data-active-module="preciseEditor"]) .chat-promptbar .message-input.chat-promptbar-input:focus,
body:not([data-active-module="model3dEditor"]):not([data-active-module="preciseEditor"]) .chat-promptbar .dc-landing-input.chat-promptbar-input:focus,
body:not([data-active-module="model3dEditor"]):not([data-active-module="preciseEditor"]) .chat-promptbar .chat-promptbar-input:not(:focus),
body:not([data-active-module="model3dEditor"]):not([data-active-module="preciseEditor"]) .chat-promptbar .message-input.chat-promptbar-input:not(:focus),
body:not([data-active-module="model3dEditor"]):not([data-active-module="preciseEditor"]) .chat-promptbar .dc-landing-input.chat-promptbar-input:not(:focus) {
  display: block !important;
  grid-column: 1 !important;
  grid-row: 1 !important;
  order: initial !important;
  flex: initial !important;
  width: 100% !important;
  min-width: 0 !important;
  height: var(--cpb-input-height, auto) !important;
  min-height: var(--cpb-input-min-height) !important;
  max-height: 190px !important;
  padding: var(--cpb-input-padding) !important;
  margin: 0 !important;
  border: 0 !important;
  border-radius: 0 !important;
  outline: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  color: var(--cpb-text) !important;
  font: inherit !important;
  font-size: 16px !important;
  line-height: var(--cpb-input-line-height) !important;
  white-space: pre-wrap !important;
  text-overflow: clip !important;
  overflow-y: auto !important;
  resize: none !important;
  transform: none !important;
  transition: none !important;
}

body:not([data-active-module="model3dEditor"]):not([data-active-module="preciseEditor"]) .chat-promptbar .chat-promptbar-toolbar,
body:not([data-active-module="model3dEditor"]):not([data-active-module="preciseEditor"]) .chat-promptbar .chat-promptbar-toolbar:focus-within {
  grid-column: 1 !important;
  grid-row: 2 !important;
  display: flex !important;
  align-items: center !important;
  flex-wrap: nowrap !important;
  gap: var(--cpb-toolbar-gap) !important;
  min-width: 0 !important;
  width: var(--cpb-toolbar-width) !important;
  margin: 0 !important;
  padding: 0 !important;
  overflow: visible !important;
  transform: none !important;
}

body:not([data-active-module="freeform"]) .input-section.chat-promptbar-section,
body:not([data-active-module="freeform"]) .input-section:has(.chat-promptbar),
body:not([data-active-module="freeform"]) .input-section.chat-promptbar-section:focus-within,
body:not([data-active-module="freeform"]) .input-section:has(.chat-promptbar):focus-within,
body:not([data-active-module="freeform"]) .input-section.chat-promptbar-section.no-project,
body:not([data-active-module="freeform"]) .input-section:has(.chat-promptbar).no-project,
body:not([data-active-module="freeform"]) .input-section.chat-promptbar-section.no-project:focus-within,
body:not([data-active-module="freeform"]) .input-section:has(.chat-promptbar).no-project:focus-within,
body:not([data-active-module="freeform"]) .input-section.chat-promptbar-section.visible,
body:not([data-active-module="freeform"]) .input-section:has(.chat-promptbar).visible,
body:not([data-active-module="freeform"]) .input-section.chat-promptbar-section.visible:focus-within,
body:not([data-active-module="freeform"]) .input-section:has(.chat-promptbar).visible:focus-within,
body:not([data-active-module="freeform"]) .input-section[data-thumb-state],
body:not([data-active-module="freeform"]) .input-section[data-thumb-state]:focus-within {
  background: transparent !important;
  background-color: transparent !important;
  border-top: 0 !important;
  border-top-color: transparent !important;
  box-shadow: none !important;
  -webkit-backdrop-filter: none !important;
  backdrop-filter: none !important;
  animation: none !important;
  transition: none !important;
}

body:not([data-active-module="freeform"]):not(.prompt-hidden-by-module):not(.chat-generation-redirecting) .input-section.chat-promptbar-section,
body:not([data-active-module="freeform"]):not(.prompt-hidden-by-module):not(.chat-generation-redirecting) .input-section:has(.chat-promptbar),
/* fast-transition still keeps the bar visible during chat-internal transitions,
   but must honor the JS-decided hide so opening a module that owns the view
   (e.g. Drawing Studio) does not leave the chat promptbar floating over it. */
body.chat-promptbar-fast-transition:not([data-active-module="freeform"]):not(.prompt-hidden-by-module) .input-section.chat-promptbar-section,
body.chat-promptbar-fast-transition:not([data-active-module="freeform"]):not(.prompt-hidden-by-module) .input-section:has(.chat-promptbar) {
  opacity: 1 !important;
  visibility: visible !important;
}

body:not([data-active-module="freeform"]) .input-section[data-thumb-state] .image-input-container.image-selected,
body:not([data-active-module="freeform"]) .input-section[data-thumb-state]:focus-within .image-input-container.image-selected {
  background: transparent !important;
  background-color: transparent !important;
  box-shadow: none !important;
  -webkit-backdrop-filter: none !important;
  backdrop-filter: none !important;
  margin-bottom: 10px !important;
  transition: none !important;
}

body:not([data-active-module="freeform"]) .input-section[data-thumb-state] .thumb-strip,
body:not([data-active-module="freeform"]) .input-section[data-thumb-state]:focus-within .thumb-strip {
  background: transparent !important;
  background-color: transparent !important;
  box-shadow: none !important;
  -webkit-backdrop-filter: none !important;
  backdrop-filter: none !important;
}

.chat-messages .message,
.chat-messages .message *,
.chat-messages .message *::before,
.chat-messages .message *::after {
  box-sizing: border-box;
}

.chat-messages .message {
  width: 100%;
  max-width: var(--chat-row-max);
}

.chat-messages .message.assistant {
  align-items: flex-end;
  gap: 8px;
}

.chat-messages .message.assistant.search-reference-results {
  align-items: flex-start;
  max-width: none;
}

.chat-messages .message-content {
  font-family: var(--chat-font-family);
  min-width: 0;
  position: relative;
}

.chat-messages .message.assistant .message-content {
  max-width: var(--chat-text-max);
  padding: var(--chat-pad-block) var(--chat-pad-inline);
  border: 1px solid var(--chat-border);
  border-radius: var(--chat-radius) var(--chat-radius) var(--chat-radius) 6px;
  background: var(--chat-surface-bg);
  box-shadow: var(--chat-shadow);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.5;
  overflow: visible;
}

.chat-messages .message.assistant .message-content:hover {
  border-color: var(--chat-border-hover);
}

.chat-messages .message.assistant:not(.batch-resolution-preflight):not(.clarify-bubble):not(.realism-options-message):not(.search-reference-results):not(.placeholder-message):not(.thinking):not(
  :has(.chat-img-wrapper, .chat-model-wrapper, .chat-model-wrapper-clean, model-viewer, .chat-pointcloud-container, .chat-pointcloud-wrapper, .plasma-placeholder, .media-container, .image-grid, .model-option-pills-container, .realism-options-container, .cfv-review)
) .message-content {
  max-width: var(--chat-text-max);
  padding: 2px 0 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  color: var(--chat-body-color);
  font-family: var(--chat-font-family);
  font-size: var(--chat-body-size);
  font-weight: 400;
  line-height: var(--chat-body-line);
}

.chat-messages .message.assistant:not(.module):not(.thinking):not(.placeholder-message):not(.batch-resolution-preflight):not(.clarify-bubble):not(.realism-options-message):not(.search-reference-results):not(
  :has(.model-option-pills-container, .realism-options-container, .cfv-review)
) > .message-avatar {
  /* Keep the brand mark attached to the reply's final baseline. Centering it
     makes long Markdown/list replies look as if the logo belongs mid-message. */
  align-self: flex-end;
  margin-top: 0;
  top: 0 !important;
}

/* Generated media mirrors the user-message geometry: content on one side,
   avatar pinned to the lower outside corner. Batch placeholders keep the
   batch-generation-message class after replacement, while restored results
   use batch-generation-result, so cover both lifecycle states. */
#chatMessages .message.assistant.batch-generation-message > .message-avatar,
#chatMessages .message.assistant.batch-generation-result > .message-avatar,
#chatMessages .message.assistant:not(.thinking):not(.search-reference-results):has(> .message-content .chat-img-wrapper) > .message-avatar {
  align-self: flex-end !important;
  margin-top: 0;
  margin-bottom: 0;
  top: 0 !important;
}

/* The message-level action row lives below generated media inside
   .message-content. Exclude that reserved row from the avatar baseline so the
   logo aligns with the visible image edge, not the invisible toolbar edge. */
#chatMessages .message.assistant:not(.thinking):not(.search-reference-results):has(
  > .message-content > .message-action-toolbar
):not(:has(.message-action-toolbar.per-image-actions)) > .message-avatar {
  margin-bottom: calc(var(--chat-action-size) + 9px);
}

.chat-messages .message.assistant.thinking .message-avatar {
  display: none;
}

.chat-messages .message.assistant:not(.batch-resolution-preflight):not(.clarify-bubble):not(.realism-options-message):not(.search-reference-results):not(.placeholder-message):not(.thinking):not(
  :has(.chat-img-wrapper, .chat-model-wrapper, .chat-model-wrapper-clean, model-viewer, .chat-pointcloud-container, .chat-pointcloud-wrapper, .plasma-placeholder, .media-container, .image-grid, .model-option-pills-container, .realism-options-container, .cfv-review)
) .message-content:hover {
  border-color: transparent;
}

.chat-messages .message.assistant .message-text,
.chat-messages .message.assistant .message-text * {
  font-family: var(--chat-font-family);
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
  letter-spacing: 0;
}

.chat-messages .message.assistant.thinking,
.chat-messages .message.assistant.thinking .message-content,
.chat-messages .message.assistant.thinking .ai-thinking,
.chat-messages .message.assistant.thinking .thinking-line,
.chat-messages .message.assistant.thinking .thinking-line .thinking-text {
  font-family: var(--chat-font-family);
  font-size: var(--chat-body-size);
  font-weight: 400;
  line-height: 1.55;
  letter-spacing: 0;
}

.chat-messages .message.assistant.thinking .thinking-line .thinking-text,
.chat-messages .message.assistant.thinking .thinking-line.active .thinking-text,
.chat-messages .message.assistant.thinking .thinking-line.completed .thinking-text {
  color: var(--chat-muted-color) !important;
  -webkit-text-fill-color: currentColor !important;
}

.chat-messages .message.user .message-content {
  max-width: min(560px, 70%);
  padding: 7px 15px;
  border: 0;
  border-radius: 19px;
  background: var(--chat-user-bg);
  color: var(--chat-body-color);
  font-family: var(--chat-font-family);
  font-size: var(--chat-body-size);
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: 0;
  min-height: 0;
  overflow: visible;
}

.chat-messages .message.user .message-content:hover {
  background: var(--chat-user-bg-hover);
}

.chat-messages .message.user .message-content span:not(.chat-img-wrapper) {
  align-self: flex-start;
  text-align: left;
}

.chat-messages .message.assistant .message-content:has(
  .chat-img-wrapper,
  .chat-model-wrapper,
  .chat-model-wrapper-clean,
  model-viewer,
  .chat-pointcloud-container,
  .chat-pointcloud-wrapper,
  .plasma-placeholder,
  .media-container,
  .image-grid
) {
  max-width: var(--chat-media-max);
  padding: 0;
  border-color: transparent;
  background: transparent;
  box-shadow: none;
}

.chat-messages .message.assistant[data-pointcloud="true"],
.chat-messages .message.assistant:has(.chat-pointcloud-container) {
  width: 100%;
  max-width: var(--chat-row-max) !important;
}

.chat-messages .message.assistant[data-pointcloud="true"] .message-content,
.chat-messages .message.assistant .message-content:has(.chat-pointcloud-container) {
  width: auto !important;
  max-width: var(--chat-media-max) !important;
  padding: 0 !important;
  border: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  overflow: visible !important;
}

.chat-messages .message.assistant.placeholder-message .message-content:has(.plasma-placeholder),
.chat-messages .message.assistant .message-content:has(.chat-img-wrapper.generation-placeholder) {
  width: auto !important;
  max-width: var(--chat-media-max) !important;
  padding: 0 !important;
  border: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  overflow: visible !important;
}

.chat-messages .message.assistant .message-content > .media-container,
.chat-messages .message.assistant .message-content > .image-grid {
  display: block;
  width: 100%;
}

.chat-messages .message.assistant .message-content > .media-container + .message-text,
.chat-messages .message.assistant .message-content > .image-grid + .message-text {
  margin-top: 10px;
}

.chat-messages .message.assistant .message-content > .message-text + .media-container,
.chat-messages .message.assistant .message-content > .message-text + .image-grid {
  margin-top: 12px;
}

/* ── Multi-output image grid ──────────────────────────────────────────────
   Generated batches (2–4 images) render as a compact grid: max 2 per row so
   images stay readable instead of stacking full-width down a long chat.
   Driven purely by child count, so it looks identical when freshly generated
   AND when restored from chat history. (search-reference grids keep their own
   rules; single images use .media-container, untouched.) */

/* Moderate width — wider than a single image so 2 fit comfortably, but not the
   full chat row (which made each image oversized). */
.chat-messages .message.assistant .message-content:has(> .image-grid:not(.search-reference-grid)) {
  width: 100%;
  max-width: min(900px, 96%);
}

.chat-messages .message.assistant .message-content > .image-grid:not(.search-reference-grid) {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  width: 100%;
  max-width: none;
}

/* Exactly 3 → 2 on top, 1 centered below at the same tile size (2 + 1). */
.chat-messages .message.assistant .message-content > .image-grid:not(.search-reference-grid) > .mediabubble-container:nth-child(3):last-child {
  grid-column: 1 / -1;
  justify-self: center;
  width: calc(50% - 4px);
}

.chat-messages .message.assistant .message-content > .image-grid:not(.search-reference-grid) .mediabubble-container {
  display: block;
  min-width: 0;
  margin: 0;
  padding: 0;
}

/* Keep each image's OWN aspect ratio (no forced square). The image's intrinsic
   ratio drives the tile height, so a 3:4 generation stays 3:4 — identical whether
   freshly generated or restored from history. position:relative anchors the
   per-image action toolbar below. */
.chat-messages .message.assistant .message-content > .image-grid:not(.search-reference-grid) .chat-img-wrapper {
  position: relative;
  width: 100% !important;
  max-width: none !important;
  height: auto !important;
  aspect-ratio: auto !important;
  border-radius: var(--chat-radius-tight);
  overflow: hidden;
}

.chat-messages .message.assistant .message-content > .image-grid:not(.search-reference-grid) .chat-img-wrapper img,
.chat-messages .message.assistant .message-content > .image-grid:not(.search-reference-grid) .chat-img-wrapper video {
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
}

/* ── Per-image action toolbar ──
   Each image in a batch gets its OWN Use/Edit/Copy/Download/Share at its
   bottom-right, revealed on hover — so you act on that specific image. */
.chat-messages .message.assistant .image-grid:not(.search-reference-grid) .chat-img-wrapper > .message-action-toolbar.per-image-actions {
  position: absolute !important;
  right: 8px !important;
  bottom: 8px !important;
  left: auto !important;
  top: auto !important;
  margin: 0 !important;
  width: fit-content !important;
  z-index: 4;
  padding: 4px 6px;
  border-radius: 999px;
  background: rgba(12, 12, 14, 0.55);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  opacity: 0 !important;
  pointer-events: none;
  transition: opacity 0.16s ease;
}

.chat-messages .message.assistant .image-grid:not(.search-reference-grid) .chat-img-wrapper:hover > .message-action-toolbar.per-image-actions,
.chat-messages .message.assistant .image-grid:not(.search-reference-grid) .chat-img-wrapper:focus-within > .message-action-toolbar.per-image-actions {
  opacity: 1 !important;
  pointer-events: auto;
}

/* When per-image toolbars exist, hide the single message-level toolbar so there's
   no ambiguous "which image?" toolbar floating at the message corner. */
.chat-messages .message.assistant .message-content:has(.image-grid:not(.search-reference-grid) .chat-img-wrapper > .message-action-toolbar.per-image-actions) > .message-action-toolbar:not(.per-image-actions) {
  display: none !important;
}

.chat-messages .message.assistant .message-content.nowrap-text {
  width: max-content;
  max-width: min(90%, var(--chat-text-max));
}

.chat-messages .message.assistant .message-content.nowrap-text .message-text {
  width: max-content;
  max-width: none;
  white-space: nowrap;
}

.chat-messages .message.assistant:has(.model-option-pills-container) {
  overflow: visible !important;
}

.chat-messages .message.assistant:has(.model-option-pills-container) .message-content {
  width: fit-content !important;
  min-width: min(360px, calc(100vw - 72px)) !important;
  max-width: var(--chat-pill-panel-max) !important;
  padding: var(--chat-pad-block) var(--chat-pad-inline) !important;
  border: 1px solid var(--chat-border) !important;
  border-radius: var(--chat-radius) var(--chat-radius) var(--chat-radius) 6px !important;
  background: var(--chat-surface-bg) !important;
  box-shadow: var(--chat-shadow) !important;
  overflow: visible !important;
}

.chat-messages .message.assistant .model-option-pills-container {
  width: 100%;
  max-width: 480px;
  min-width: min(320px, 100%);
}

.chat-messages .message.assistant.realism-options-message .message-content {
  max-width: var(--chat-wide-panel-max);
  padding: 0;
  border: 1px solid var(--chat-border);
  border-radius: var(--chat-radius-media);
  background: var(--chat-surface-strong-bg);
  box-shadow: var(--chat-shadow-strong);
  overflow: hidden;
}

.chat-messages .message.assistant .message-content:has(.cfv-review) {
  width: 100%;
  min-width: min(860px, var(--chat-dialog-max));
  max-width: var(--chat-dialog-max);
}

.chat-messages .message.assistant.search-reference-results .message-content,
.chat-messages .message.assistant.search-reference-results .message-content:has(.image-grid) {
  width: var(--chat-search-max);
  max-width: var(--chat-search-max);
  padding: 12px;
  border: 1px solid var(--chat-border);
  border-radius: var(--chat-radius-media);
  background: var(--chat-surface-strong-bg);
  box-shadow: var(--chat-shadow-strong);
}

.chat-messages .message.assistant.search-reference-results.image-count-0 .message-content {
  width: min(680px, calc(100vw - 190px));
  max-width: min(680px, calc(100vw - 190px));
  padding: 2px 0 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.chat-messages .message.assistant.search-reference-results.image-count-0 .message-content:hover {
  border-color: transparent;
}

.chat-messages .message.assistant.search-reference-results.image-count-0 .message-text {
  margin-top: 0;
  padding: 0;
}

.chat-messages .message.assistant.search-reference-results.image-count-1 .message-content,
.chat-messages .message.assistant.search-reference-results.image-count-1 .message-content:has(.image-grid) {
  width: var(--chat-search-1-max);
  max-width: var(--chat-search-1-max);
}

.chat-messages .message.assistant.search-reference-results.image-count-2 .message-content,
.chat-messages .message.assistant.search-reference-results.image-count-2 .message-content:has(.image-grid) {
  width: var(--chat-search-2-max);
  max-width: var(--chat-search-2-max);
}

.chat-messages .message.assistant.search-reference-results.image-count-3 .message-content,
.chat-messages .message.assistant.search-reference-results.image-count-3 .message-content:has(.image-grid) {
  width: var(--chat-search-3-max);
  max-width: var(--chat-search-3-max);
}

.chat-messages .message.assistant.search-reference-results .image-grid.search-reference-grid {
  display: grid;
  width: 100% !important;
  max-width: none;
  gap: 8px;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr));
}

.chat-messages .message.assistant.search-reference-results.image-count-1 .image-grid.search-reference-grid {
  grid-template-columns: 1fr;
}

.chat-messages .message.assistant.search-reference-results.image-count-2 .image-grid.search-reference-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.chat-messages .message.assistant.search-reference-results.image-count-3 .image-grid.search-reference-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.chat-messages .message.assistant.search-reference-results .mediabubble-container {
  min-width: 0;
  margin: 0;
  padding: 0;
}

.chat-messages .message.assistant.search-reference-results .image-grid .chat-img-wrapper {
  width: 100% !important;
  height: auto !important;
  max-width: none;
  aspect-ratio: 4 / 3;
  border-radius: var(--chat-radius-tight);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.035);
}

.chat-messages .message.assistant.search-reference-results .search-reference-caption {
  position: absolute;
  left: 8px;
  right: 8px;
  bottom: 8px;
  z-index: 2;
  display: block;
  padding: 5px 7px;
  border-radius: 6px;
  color: rgba(255, 255, 255, 0.9);
  background: linear-gradient(180deg, rgba(12, 12, 14, 0.52), rgba(12, 12, 14, 0.78));
  font-size: 11px;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.chat-messages .message.assistant.search-reference-results .chat-img-wrapper:hover .search-reference-caption,
.chat-messages .message.assistant.search-reference-results .chat-img-wrapper:focus-within .search-reference-caption {
  opacity: 1;
  transform: translateY(0);
}

.chat-messages .message.assistant.search-reference-results .chat-img-wrapper img,
.chat-messages .message.assistant.search-reference-results .chat-img-wrapper video {
  position: absolute;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
  object-fit: cover !important;
}

.chat-messages .message.assistant.search-reference-results .message-text {
  margin-top: 12px;
  padding: 2px 6px 5px;
  max-width: 100%;
  color: rgba(255, 255, 255, 0.84);
  font-size: 15px;
  line-height: 1.58;
}

/* The chat Markdown renderer emits explicit BR nodes around list blocks.
   Search cards already use block layout and list separators, so those nodes
   only create large dead bands above the references and Sources row. */
.chat-messages .message.assistant.search-reference-results .message-text > br {
  display: none;
}

.chat-messages .message.assistant.search-reference-results .message-text strong {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 600;
}

.chat-messages .message.assistant.search-reference-results .message-text p,
.chat-messages .message.assistant.search-reference-results .message-text ol,
.chat-messages .message.assistant.search-reference-results .message-text ul {
  margin: 0 0 10px;
}

.chat-messages .message.assistant.search-reference-results .message-text ul {
  display: grid;
  gap: 0;
  padding-left: 0;
  list-style: none;
}

.chat-messages .message.assistant.search-reference-results .message-text > :last-child {
  margin-bottom: 0;
}

.chat-messages .message.assistant.search-reference-results .message-text li {
  margin: 0;
  padding: 8px 2px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: transparent;
}

.chat-messages .message.assistant.search-reference-results .message-text li > p {
  margin: 0;
}

.chat-messages .message.assistant.search-reference-results .message-text > p:last-child {
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 12px;
  line-height: 1.45;
}

.chat-messages .message.assistant.search-reference-results .message-text a {
  display: inline;
  color: rgba(138, 196, 255, 0.96);
  text-decoration-color: rgba(138, 196, 255, 0.38);
  text-underline-offset: 2px;
}

/* Text-only research results are not one large link. Present each verified
   source as an explicit interactive pill so the clickable boundaries are
   visible without making the entire response resemble a button. */
.chat-messages .message.assistant.search-reference-results.image-count-0 .message-text a {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  margin: 3px 3px 3px 0;
  padding: 5px 9px;
  border: 1px solid rgba(138, 196, 255, 0.24);
  border-radius: 7px;
  background: rgba(138, 196, 255, 0.08);
  text-decoration: none;
  transition: background 120ms ease, border-color 120ms ease;
}

.chat-messages .message.assistant.search-reference-results.image-count-0 .message-text a:hover,
.chat-messages .message.assistant.search-reference-results.image-count-0 .message-text a:focus-visible {
  border-color: rgba(138, 196, 255, 0.52);
  background: rgba(138, 196, 255, 0.16);
}

.chat-messages .message.assistant.search-reference-results .message-text:empty {
  display: none;
}

.chat-messages .message.assistant.thinking.search-thinking .thinking-line {
  align-items: center !important;
}

.chat-messages .message.assistant.thinking.search-thinking .search-thinking-icon {
  align-self: center !important;
  transform: translateY(-2px) !important;
}

.chat-messages .message.assistant.thinking.search-thinking .thinking-text {
  display: inline-flex !important;
  align-items: center !important;
  min-height: 24px !important;
  line-height: 24px !important;
}

.chat-messages .message.assistant > .message-actions {
  display: none !important;
}

.chat-messages .message.assistant > .message-actions.text-copy-external {
  order: 3;
  display: flex !important;
  flex-direction: row !important;
  align-items: center;
  justify-content: center;
  align-self: flex-end;
  width: fit-content !important;
  margin: 0 0 6px 2px !important;
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
  opacity: 0 !important;
  visibility: visible !important;
  pointer-events: none;
  transform: translateX(-2px);
  transition: opacity 0.16s ease, transform 0.16s ease;
}

.chat-messages .message.assistant:hover > .message-actions.text-copy-external,
.chat-messages .message.assistant:focus-within > .message-actions.text-copy-external,
.chat-messages .message.assistant > .message-actions.text-copy-external:hover {
  opacity: 1 !important;
  pointer-events: auto;
  transform: translateX(0);
}

.chat-messages .message .message-content > .message-actions,
.chat-messages .message .message-content > .message-action-toolbar {
  order: 20;
  display: flex !important;
  flex-direction: row !important;
  align-items: center;
  justify-content: flex-end;
  align-self: flex-end;
  gap: var(--chat-action-gap);
  width: fit-content !important;
  max-width: 100%;
  margin: 8px 0 0 auto !important;
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
  opacity: 0 !important;
  visibility: visible !important;
  pointer-events: none;
  transform: translateY(-2px);
  animation: none !important;
  transition: opacity 0.16s ease, transform 0.16s ease;
}

.chat-messages .message:hover .message-content > .message-actions,
.chat-messages .message:hover .message-content > .message-action-toolbar,
.chat-messages .message .message-content:hover > .message-actions,
.chat-messages .message .message-content:hover > .message-action-toolbar,
.chat-messages .message .message-content:focus-within > .message-actions,
.chat-messages .message .message-content:focus-within > .message-action-toolbar,
.chat-messages .message .message-content > .message-actions:hover,
.chat-messages .message .message-content > .message-action-toolbar:hover {
  opacity: 1 !important;
  pointer-events: auto;
  transform: translateY(0);
}

.chat-messages .message .message-content > .media-feedback-overlay.message-feedback-toolbar {
  left: 0;
  bottom: 0;
  z-index: 22;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-2px);
  transition: opacity 0.16s ease, transform 0.16s ease;
}

.chat-messages .message:hover .message-content > .media-feedback-overlay.message-feedback-toolbar,
.chat-messages .message .message-content:hover > .media-feedback-overlay.message-feedback-toolbar,
.chat-messages .message .message-content:focus-within > .media-feedback-overlay.message-feedback-toolbar,
.chat-messages .message .message-content > .media-feedback-overlay.message-feedback-toolbar:hover {
  opacity: 1 !important;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.chat-messages .message-action-btn.action-pill {
  width: var(--chat-action-size) !important;
  min-width: var(--chat-action-size) !important;
  height: var(--chat-action-size) !important;
  min-height: var(--chat-action-size) !important;
}

.chat-messages .message-action-btn.action-pill img,
.chat-messages .message-action-icon {
  pointer-events: none !important;
  user-select: none;
}

/* Always-visible Download/View row under 3D model capsules (FOR-135). */
.chat-messages .message .model-action-row {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  margin-top: 8px;
}

.chat-messages .message .model-action-row-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  background: rgba(30, 30, 35, 0.9);
  border: 0.5px solid rgba(255, 255, 255, 0.2);
  border-radius: 9999px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.chat-messages .message .model-action-row-btn:hover {
  background: rgba(50, 50, 55, 0.95);
  border-color: rgba(255, 255, 255, 0.35);
}

.chat-messages .message .model-action-row-btn:disabled {
  opacity: 0.6;
  cursor: default;
}

/* 3D model option dialogs follow the same restrained bubble language as chat. */
.chat-messages .message.assistant:has(.model-option-pills-container) .message-content {
  min-width: min(420px, calc(100vw - 72px)) !important;
  padding: 13px !important;
}

.chat-messages .message.assistant .model-dialog-intro {
  margin: 0 34px 10px 0 !important;
  color: rgba(235, 238, 244, 0.86) !important;
  font-size: 13px !important;
  line-height: 1.4 !important;
  font-weight: 500 !important;
}

.chat-messages .message.assistant .model-option-pills-container {
  gap: 8px !important;
  max-width: 520px !important;
  margin-bottom: 10px !important;
}

.chat-messages .message.assistant .model-option-pills-container .upscale-rollup-pill,
.chat-messages .message.assistant .model-option-pills-container .upscale-rollup-pill:hover {
  transform: none !important;
}

.chat-messages .message.assistant .model-option-pills-container .pill-label,
.chat-messages .message.assistant .model-option-pills-container .upscale-rollup-pill:hover .pill-label,
.chat-messages .message.assistant .model-option-pills-container .upscale-rollup-pill.is-hovered .pill-label {
  text-shadow: none !important;
}

.chat-messages .message.assistant .model-option-pills-container .upscale-rollup-pill:hover .pill-label::after,
.chat-messages .message.assistant .model-option-pills-container .upscale-rollup-pill.is-hovered .pill-label::after {
  content: none !important;
  display: none !important;
}

.chat-messages .message.assistant .model-option-pills-container .upscale-rollup-pill:hover .pill-shell,
.chat-messages .message.assistant .model-option-pills-container .upscale-rollup-pill.is-hovered .pill-shell {
  background: rgba(255, 255, 255, 0.055) !important;
  border-color: rgba(255, 255, 255, 0.26) !important;
  box-shadow: none !important;
}

.chat-messages .message.assistant .model-option-pills-container .pill-tooltip {
  border-radius: var(--chat-radius-tight) !important;
  background: rgba(18, 19, 22, 0.96) !important;
  border-color: rgba(255, 255, 255, 0.14) !important;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.24) !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

.chat-messages .message.assistant .model-dialog-actions {
  display: flex !important;
  align-items: center !important;
  flex-wrap: wrap !important;
  gap: 8px !important;
  margin-top: 10px !important;
}

.chat-messages .message.assistant .model-credit-cost-display,
.chat-messages .message.assistant .model-execute-button,
.chat-messages .message.assistant .model-cancel-button {
  border-radius: var(--chat-radius-tight) !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

.chat-messages .message.assistant .model-execute-button,
.chat-messages .message.assistant .model-cancel-button {
  padding: 9px 13px !important;
  letter-spacing: 0 !important;
  transform: none !important;
}

.chat-messages .message.assistant .model-pill-new-chip {
  color: rgba(255, 255, 255, 0.78) !important;
  background: rgba(255, 255, 255, 0.08) !important;
  border: 1px solid rgba(255, 255, 255, 0.14) !important;
  box-shadow: none !important;
  text-shadow: none !important;
}

.chat-messages .message.assistant .model-input-preview-strip {
  margin-top: 10px !important;
  gap: 7px !important;
}

.chat-messages .message.assistant .model-input-thumb {
  width: 112px !important;
  height: 112px !important;
  min-width: 112px !important;
  min-height: 112px !important;
  border-radius: var(--chat-radius-tight) !important;
  box-shadow: none !important;
}

@media (max-width: 980px) {
  .chat-messages {
    --chat-text-max: min(720px, calc(100vw - 92px));
    --chat-media-max: min(720px, calc(100vw - 92px));
    --chat-search-max: calc(100vw - 92px);
    --chat-search-1-max: calc(100vw - 92px);
    --chat-search-2-max: calc(100vw - 92px);
    --chat-search-3-max: calc(100vw - 92px);
    --chat-wide-panel-max: calc(100vw - 92px);
    --chat-dialog-max: calc(100vw - 92px);
    --chat-pill-panel-max: calc(100vw - 92px);
  }

  .chat-messages .message.assistant.search-reference-results.image-count-3 .image-grid.search-reference-grid {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 190px), 1fr));
  }
}

@media (max-width: 768px) {
  .chat-messages {
    --chat-text-max: calc(100vw - 72px);
    --chat-media-max: calc(100vw - 72px);
    --chat-search-max: calc(100vw - 72px);
    --chat-search-1-max: calc(100vw - 72px);
    --chat-search-2-max: calc(100vw - 72px);
    --chat-search-3-max: calc(100vw - 72px);
    --chat-wide-panel-max: calc(100vw - 72px);
    --chat-dialog-max: calc(100vw - 72px);
    --chat-pill-panel-max: calc(100vw - 72px);
  }

  .chat-messages .message.user .message-content {
    max-width: 85%;
  }

  .chat-messages .message.assistant .message-content > .media-container + .message-text,
  .chat-messages .message.assistant .message-content > .image-grid + .message-text,
  .chat-messages .message.assistant .message-content > .message-text + .media-container,
  .chat-messages .message.assistant .message-content > .message-text + .image-grid {
    margin-top: 8px;
  }

  .chat-messages .message.assistant.search-reference-results .image-grid.search-reference-grid,
  .chat-messages .message.assistant.search-reference-results.image-count-2 .image-grid.search-reference-grid,
  .chat-messages .message.assistant.search-reference-results.image-count-3 .image-grid.search-reference-grid {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 150px), 1fr));
  }

  .chat-messages .message.assistant .message-content:has(.cfv-review) {
    min-width: min(420px, var(--chat-dialog-max));
  }

  .chat-messages .message.assistant.search-reference-results .search-reference-caption {
    opacity: 1;
    transform: none;
  }

  .chat-messages .message .message-content > .message-actions,
  .chat-messages .message .message-content > .message-action-toolbar,
  .chat-messages .message.assistant > .message-actions.text-copy-external {
    opacity: 1 !important;
    pointer-events: auto;
    transform: none;
  }

  .chat-messages .message .message-content > .media-feedback-overlay.message-feedback-toolbar {
    display: none !important;
  }
}

@media (prefers-contrast: high) {
  .chat-messages .message.assistant .message-content {
    border-color: #ffffff;
  }

  .chat-messages .message.user .message-content {
    border-color: transparent;
  }
}

/* Batch resolution preflight: compact, chat-native choice block. */
.chat-messages .message.assistant.batch-resolution-preflight {
  max-width: var(--chat-row-max);
}

.chat-messages .message.assistant.batch-resolution-preflight .message-content {
  width: min(520px, var(--chat-text-max));
  max-width: min(520px, var(--chat-text-max));
  padding: 10px 12px !important;
  border-radius: 16px 16px 16px 6px !important;
  background: rgba(20, 21, 25, 0.94) !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.22) !important;
}

.chat-messages .message.assistant.batch-resolution-preflight .mediabubble-container,
.chat-messages .message.assistant.batch-resolution-preflight .message-text {
  display: block;
  width: 100%;
}

.chat-messages .message.assistant.batch-resolution-preflight .message-text {
  color: rgba(255, 255, 255, 0.9);
  font-size: 13.5px;
  font-weight: 520;
  line-height: 1.38;
  letter-spacing: 0;
}

.chat-messages .message.assistant.batch-resolution-preflight .batch-resolution-choice {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  max-width: 100%;
  margin-top: 10px;
}

.chat-messages .message.assistant.batch-resolution-preflight .batch-resolution-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
  width: min(330px, 100%);
}

.chat-messages .message.assistant.batch-resolution-preflight .batch-resolution-option,
.chat-messages .message.assistant.batch-resolution-preflight .batch-resolution-remember {
  appearance: none;
  min-width: 0;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.14s ease, border-color 0.14s ease, color 0.14s ease, transform 0.14s ease;
}

.chat-messages .message.assistant.batch-resolution-preflight .batch-resolution-option {
  height: 34px;
  padding: 0 11px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  background: rgba(255, 255, 255, 0.045);
  color: rgba(255, 255, 255, 0.88);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.chat-messages .message.assistant.batch-resolution-preflight .batch-resolution-main {
  font-size: 13px;
  font-weight: 760;
  line-height: 1;
}

.chat-messages .message.assistant.batch-resolution-preflight .batch-resolution-detail {
  font-size: 11px;
  font-weight: 620;
  line-height: 1;
  color: rgba(255, 255, 255, 0.58);
}

.chat-messages .message.assistant.batch-resolution-preflight .batch-resolution-option:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.22);
}

.chat-messages .message.assistant.batch-resolution-preflight .batch-resolution-option.selected {
  background: rgba(255, 255, 255, 0.92);
  border-color: rgba(255, 255, 255, 0.92);
  color: rgba(14, 15, 18, 0.98);
}

.chat-messages .message.assistant.batch-resolution-preflight .batch-resolution-option.selected .batch-resolution-detail {
  color: rgba(14, 15, 18, 0.62);
}

.chat-messages .message.assistant.batch-resolution-preflight .batch-resolution-remember {
  width: fit-content;
  min-height: 26px;
  padding: 0 10px 0 28px;
  position: relative;
  border: 0;
  background: transparent;
  color: rgba(255, 255, 255, 0.58);
  font-size: 12px;
  font-weight: 620;
  text-align: left;
}

.chat-messages .message.assistant.batch-resolution-preflight .batch-resolution-remember::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 50%;
  width: 12px;
  height: 12px;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.035);
}

.chat-messages .message.assistant.batch-resolution-preflight .batch-resolution-remember.active {
  color: rgba(255, 255, 255, 0.86);
}

.chat-messages .message.assistant.batch-resolution-preflight .batch-resolution-remember.active::before {
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(255, 255, 255, 0.9);
  box-shadow: inset 0 0 0 3px rgba(20, 21, 25, 0.96);
}

@media (max-width: 520px) {
  .chat-messages .message.assistant.batch-resolution-preflight .batch-resolution-actions {
    width: 100%;
  }

  .chat-messages .message.assistant.batch-resolution-preflight .batch-resolution-option {
    padding: 0 8px;
    gap: 3px;
  }

  .chat-messages .message.assistant.batch-resolution-preflight .batch-resolution-detail {
    display: none;
  }
}

/* Mobile: wrap toolbar to a 2nd row (overrides the nowrap contract above). */
@media (max-width: 760px) {
  body:not([data-active-module="model3dEditor"]):not([data-active-module="preciseEditor"]) .chat-promptbar .chat-promptbar-toolbar,
  body:not([data-active-module="model3dEditor"]):not([data-active-module="preciseEditor"]) .chat-promptbar .chat-promptbar-toolbar:focus-within {
    flex-wrap: wrap !important;
    width: 100% !important;
    row-gap: 8px !important;
  }

  /* Spacer reserves the absolute send button's corner on the last row. */
  body:not([data-active-module="model3dEditor"]):not([data-active-module="preciseEditor"]) .chat-promptbar .chat-promptbar-toolbar::after {
    content: "" !important;
    flex: 0 0 52px !important;
    height: 36px !important;
    order: 9999 !important;
  }
}

@container chat-promptbar (max-width: 680px) {
  body:not([data-active-module="model3dEditor"]):not([data-active-module="preciseEditor"]) .chat-promptbar .chat-promptbar-toolbar,
  body:not([data-active-module="model3dEditor"]):not([data-active-module="preciseEditor"]) .chat-promptbar .chat-promptbar-toolbar:focus-within {
    flex-wrap: wrap !important;
    width: 100% !important;
    row-gap: 8px !important;
  }

  /* Spacer reserves the absolute send button's corner on the last row. */
  body:not([data-active-module="model3dEditor"]):not([data-active-module="preciseEditor"]) .chat-promptbar .chat-promptbar-toolbar::after {
    content: "" !important;
    flex: 0 0 52px !important;
    height: 36px !important;
    order: 9999 !important;
  }
}