/*
 * Report AI chat parts, ported from Bento's shared/ai-chat components (ChatMessage, ChatThinking, ChatComposer,
 * ChatEmptyState, ChatPromptList, ChatError) onto --bento-* tokens. Markup comes from
 * app/views/shared/_report_ai_panel.html.erb and app/javascript/support/chat_ui.js. The rail/sheet layout
 * lives in product/report.css. Plain Sprockets file: no Tailwind build, no preflight assumed.
 */

.ui-root .chat-root {
  font-family: var(--bento-font-sans);
  font-size: var(--bento-text-body);
  line-height: var(--bento-leading-body);
  color: var(--bento-fg);
}

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

.ui-root .chat-root [hidden] {
  display: none !important;
}

.ui-root .chat-root .chat-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* Header ------------------------------------------------------------------------------------------------- */

.ui-root .chat-header {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  height: 48px;
  padding: 0 12px 0 16px;
  border-bottom: 1px solid var(--bento-border-subtle);
}

.ui-root .chat-header-title {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 8px;
}

.ui-root .chat-header-title h2 {
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: var(--bento-text-body);
  line-height: var(--bento-leading-body);
  font-weight: var(--bento-weight-semibold);
  color: var(--bento-fg);
}

.ui-root .chat-header-actions {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: 4px;
}

.ui-root .chat-avatar {
  display: block;
  flex-shrink: 0;
  box-sizing: border-box;
  width: 24px;
  height: 24px;
  border: 1px solid var(--bento-border);
  border-radius: var(--bento-radius-md);
  background-color: var(--bento-bg-muted);
  object-fit: cover;
}

.ui-root .chat-avatar-lg {
  width: 40px;
  height: 40px;
  border-radius: var(--bento-radius-lg);
}

/* Thread ------------------------------------------------------------------------------------------------- */

.ui-root .chat-main {
  position: relative;
  display: flex;
  width: 100%;
  min-height: 0;
  flex: 1 1 auto;
  flex-direction: column;
  overflow: hidden;
}

.ui-root .chat-thread-wrap {
  position: relative;
  display: flex;
  min-height: 0;
  flex: 1 1 auto;
  flex-direction: column;
}

.ui-root .chat-thread {
  display: flex;
  min-height: 0;
  flex: 1 1 auto;
  flex-direction: column;
  gap: 20px;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 16px;
}

.ui-root .chat-jump {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 12px;
  display: flex;
  justify-content: center;
  pointer-events: none;
}

.ui-root .chat-jump > .ui-btn {
  pointer-events: auto;
  box-shadow: var(--bento-shadow-md);
}

/* Messages: user turns are a soft right-aligned bubble; assistant turns are flat text under an avatar. */
.ui-root .chat-msg {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 8px;
  flex-shrink: 0;
}

.ui-root .chat-msg-user {
  align-items: flex-end;
  padding-left: 32px;
}

.ui-root .chat-bubble {
  box-sizing: border-box;
  max-width: 100%;
  min-width: 0;
  padding: 8px 12px;
  border: 1px solid var(--bento-border-subtle);
  border-radius: 12px;
  background-color: var(--bento-bg-muted);
  color: var(--bento-fg);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.ui-root .chat-msg-head {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ui-root .chat-msg-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: var(--bento-weight-semibold);
  color: var(--bento-fg);
}

.ui-root .chat-msg-body {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 10px;
}

.ui-root .chat-msg-footer:empty {
  display: none;
}

.ui-root .chat-msg-actions {
  display: flex;
  min-width: 0;
  flex-wrap: wrap;
  align-items: center;
  gap: 2px;
  margin-left: -4px;
}

.ui-root .chat-meta {
  margin-left: 4px;
  font-size: var(--bento-text-caption);
  line-height: var(--bento-leading-caption);
  color: var(--bento-fg-subtle);
}

/* Markdown ----------------------------------------------------------------------------------------------- */

.ui-root .chat-md {
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--bento-fg);
}

.ui-root .chat-md > * {
  margin: 0 0 8px;
}

.ui-root .chat-md > :last-child {
  margin-bottom: 0;
}

.ui-root .chat-md h3,
.ui-root .chat-md h4 {
  margin-top: 12px;
  font-size: var(--bento-text-body);
  line-height: var(--bento-leading-body);
  font-weight: var(--bento-weight-semibold);
  color: var(--bento-fg);
}

.ui-root .chat-md h3 {
  font-size: var(--bento-text-body-lg);
  line-height: var(--bento-leading-body-lg);
}

.ui-root .chat-md > h3:first-child,
.ui-root .chat-md > h4:first-child {
  margin-top: 0;
}

.ui-root .chat-md strong {
  font-weight: var(--bento-weight-semibold);
  color: inherit;
}

.ui-root .chat-md ul,
.ui-root .chat-md ol {
  padding-left: 20px;
}

.ui-root .chat-md ul {
  list-style: disc;
}

.ui-root .chat-md ol {
  list-style: decimal;
}

.ui-root .chat-md li {
  margin: 2px 0;
}

.ui-root .chat-md blockquote {
  margin-left: 0;
  margin-right: 0;
  padding-left: 12px;
  border-left: 2px solid var(--bento-border-strong);
  color: var(--bento-fg-muted);
}

.ui-root .chat-md code {
  padding: 1px 4px;
  border: 1px solid var(--bento-border);
  border-radius: var(--bento-radius-sm);
  background-color: var(--bento-bg-subtle);
  font-family: var(--bento-font-mono);
  font-size: var(--bento-text-caption);
  color: var(--bento-fg);
}

.ui-root .chat-md .chat-code {
  overflow-x: auto;
  padding: 12px;
  border: 1px solid var(--bento-border);
  border-radius: var(--bento-radius-lg);
  background-color: var(--bento-bg-subtle);
  font-family: var(--bento-font-mono);
  font-size: var(--bento-text-caption);
  line-height: var(--bento-leading-caption);
  white-space: pre;
}

.ui-root .chat-md .chat-code code {
  padding: 0;
  border: 0;
  background: transparent;
}

.ui-root .chat-md hr {
  height: 0;
  margin: 12px 0;
  border: 0;
  border-top: 1px solid var(--bento-border);
}

.ui-root .chat-md .chat-table {
  max-width: 100%;
  overflow-x: auto;
}

.ui-root .chat-md table {
  border-collapse: collapse;
  font-size: var(--bento-text-caption);
  line-height: var(--bento-leading-caption);
}

.ui-root .chat-md th,
.ui-root .chat-md td {
  padding: 4px 8px;
  border: 1px solid var(--bento-border-subtle);
  text-align: left;
  vertical-align: top;
}

.ui-root .chat-md th {
  background-color: var(--bento-bg-subtle);
  font-weight: var(--bento-weight-semibold);
}

.ui-root .chat-caret {
  display: inline-block;
  width: 2px;
  height: 14px;
  margin-left: 2px;
  border-radius: var(--bento-radius-full);
  background-color: var(--bento-fg);
  vertical-align: -2px;
  animation: chat-pixel-on 1s ease-in-out infinite;
}

/* Thinking: a 3x3 pixel grid that ripples while the agent works, a live label, and the elapsed time. ------ */

.ui-root .chat-thinking {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 8px;
  min-height: 24px;
  color: var(--bento-fg);
}

.ui-root .chat-thinking-label {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: var(--bento-weight-medium);
}

.ui-root .chat-elapsed {
  flex-shrink: 0;
  font-family: var(--bento-font-mono);
  font-size: var(--bento-text-caption);
  line-height: var(--bento-leading-caption);
  font-variant-numeric: tabular-nums;
  color: var(--bento-fg-subtle);
}

.ui-root .chat-pixels {
  display: grid;
  flex-shrink: 0;
  grid-template-columns: repeat(3, 4px);
  gap: 1px;
}

.ui-root .chat-pixels > span {
  width: 4px;
  height: 4px;
  border-radius: var(--bento-radius-full);
  background-color: var(--bento-fg);
  opacity: 0.18;
  animation: chat-pixel-on 650ms ease-in-out infinite;
}

@keyframes chat-pixel-on {
  0%, 100% { opacity: 0.18; }
  50% { opacity: 1; }
}

/* Tool calls: icon, human name, argument summary, status chip, collapsible details. ---------------------- */

.ui-root .chat-tools {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 6px;
}

.ui-root .chat-tool {
  min-width: 0;
  border: 1px solid var(--bento-border);
  border-radius: var(--bento-radius-lg);
  background-color: var(--bento-surface);
  transition: border-color var(--bento-duration-fast) var(--bento-easing);
}

.ui-root .chat-tool[data-status="error"] {
  border-color: color-mix(in srgb, var(--bento-danger) 35%, var(--bento-border));
}

.ui-root .chat-tool-head {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 10px;
  min-height: 40px;
  box-sizing: border-box;
  padding: 6px 8px 6px 6px;
  border-radius: calc(var(--bento-radius-lg) - 1px);
  cursor: pointer;
  list-style: none;
  outline: none;
}

.ui-root .chat-tool-head::-webkit-details-marker {
  display: none;
}

.ui-root .chat-tool-head:hover {
  background-color: var(--bento-fill-hover);
}

.ui-root .chat-tool-head:focus-visible {
  box-shadow: var(--bento-focus-ring);
}

.ui-root .chat-tool-icon {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  box-sizing: border-box;
  border: 1px solid var(--bento-border-subtle);
  border-radius: var(--bento-radius-md);
  background-color: var(--bento-bg-subtle);
  color: var(--bento-fg-muted);
}

.ui-root .chat-tool[data-status="error"] .chat-tool-icon {
  border-color: transparent;
  background-color: var(--bento-danger-subtle);
  color: var(--bento-danger);
}

/* The status chip gives up its width before the tool name does. */
.ui-root .chat-tool-text {
  display: flex;
  min-width: 0;
  flex: 1 1 auto;
  flex-direction: column;
}

.ui-root .chat-tool-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: var(--bento-weight-medium);
  color: var(--bento-fg);
}

.ui-root .chat-tool-args {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: var(--bento-text-caption);
  line-height: var(--bento-leading-caption);
  color: var(--bento-fg-muted);
}

.ui-root .chat-tool-status {
  display: inline-flex;
  min-width: 0;
  max-width: 50%;
  flex: 0 1000 auto;
  align-items: center;
  gap: 5px;
  height: 22px;
  box-sizing: border-box;
  padding: 0 7px;
  border-radius: var(--bento-radius-sm);
  font-size: var(--bento-text-caption);
  line-height: var(--bento-leading-caption);
  font-weight: var(--bento-weight-medium);
  white-space: nowrap;
  color: var(--bento-fg-muted);
  background-color: var(--bento-bg-muted);
}

.ui-root .chat-tool-status[data-tone="success"] .chat-icon {
  color: var(--bento-success);
}

.ui-root .chat-tool-status[data-tone="danger"] {
  color: var(--bento-danger);
  background-color: var(--bento-danger-subtle);
}

.ui-root .chat-tool-summary {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ui-root .chat-spinner {
  width: 12px;
  height: 12px;
  border-width: 1.5px;
  color: var(--bento-fg-subtle);
}

.ui-root .chat-tool-chevron {
  color: var(--bento-fg-subtle);
  transition: transform var(--bento-duration-fast) var(--bento-easing);
}

.ui-root .chat-tool[open] .chat-tool-chevron {
  transform: rotate(180deg);
}

.ui-root .chat-tool-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 10px 12px 12px;
  border-top: 1px solid var(--bento-border-subtle);
  font-size: var(--bento-text-caption);
  line-height: var(--bento-leading-caption);
  color: var(--bento-fg-muted);
}

.ui-root .chat-tool-body p {
  margin: 0;
  overflow-wrap: anywhere;
}

.ui-root .chat-tool-section {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ui-root .chat-tool-section-label {
  font-weight: var(--bento-weight-medium);
  color: var(--bento-fg-subtle);
}

.ui-root .chat-tool-section > p {
  color: var(--bento-fg);
}

.ui-root .chat-tool-args-list {
  display: grid;
  gap: 2px;
  margin: 0;
}

.ui-root .chat-tool-args-list > div {
  display: grid;
  grid-template-columns: minmax(72px, auto) 1fr;
  gap: 12px;
}

.ui-root .chat-tool-args-list dt {
  color: var(--bento-fg-subtle);
}

.ui-root .chat-tool-args-list dd {
  margin: 0;
  min-width: 0;
  overflow-wrap: anywhere;
  font-family: var(--bento-font-mono);
  color: var(--bento-fg);
}

.ui-root .chat-tool-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin: 2px 0 0;
  padding: 0;
  list-style: none;
}

.ui-root .chat-tool-highlights li {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding: 1px 6px;
  border: 1px solid var(--bento-border);
  border-radius: var(--bento-radius-sm);
  background-color: var(--bento-bg-subtle);
  color: var(--bento-fg);
}

.ui-root .chat-tool-body .chat-tool-error {
  color: var(--bento-danger);
}

.ui-root .chat-tool-body .chat-tool-took,
.ui-root .chat-tool-body .chat-tool-pending {
  color: var(--bento-fg-subtle);
}

/* Notices and errors --------------------------------------------------------------------------------------- */

.ui-root .chat-notice {
  display: flex;
  min-width: 0;
  align-items: flex-start;
  gap: 6px;
  font-size: var(--bento-text-caption);
  line-height: var(--bento-leading-caption);
  color: var(--bento-fg-muted);
}

.ui-root .chat-notice .chat-icon {
  width: 12px;
  height: 12px;
  margin-top: 2px;
}

.ui-root .chat-notice[data-tone="success"] .chat-icon {
  color: var(--bento-success);
}

.ui-root .chat-notice[data-tone="danger"] {
  color: var(--bento-danger);
}

.ui-root .chat-error {
  display: flex;
  min-width: 0;
  flex-shrink: 0;
  align-items: flex-start;
  gap: 8px;
  padding: 8px 8px 8px 12px;
  border: 1px solid color-mix(in srgb, var(--bento-danger) 20%, transparent);
  border-radius: var(--bento-radius-lg);
  background-color: var(--bento-danger-subtle);
  color: var(--bento-danger);
}

.ui-root .chat-error > .chat-icon {
  width: 16px;
  height: 16px;
  margin-top: 2px;
}

.ui-root .chat-error-text {
  min-width: 0;
  flex: 1 1 auto;
  align-self: center;
  overflow-wrap: anywhere;
}

.ui-root .chat-error .ui-btn {
  flex-shrink: 0;
}

/* Empty state: avatar, a one-line title, what it can help with, and starter prompts above the composer. -- */

.ui-root .chat-empty {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 16px;
  margin-top: auto;
}

.ui-root .chat-empty-intro {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ui-root .chat-empty-intro .chat-avatar {
  margin-bottom: 4px;
}

.ui-root .chat-empty-title {
  margin: 0;
  font-size: var(--bento-text-heading);
  line-height: var(--bento-leading-heading);
  font-weight: var(--bento-weight-semibold);
  color: var(--bento-fg);
}

.ui-root .chat-empty-text {
  color: var(--bento-fg-muted);
}

.ui-root .chat-prompts {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 4px;
}

.ui-root .chat-prompts-label {
  padding: 0 6px;
  font-size: var(--bento-text-caption);
  line-height: var(--bento-leading-caption);
  font-weight: var(--bento-weight-medium);
  color: var(--bento-fg-subtle);
}

.ui-root .chat-prompts ul {
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ui-root .chat-prompts li + li {
  border-top: 1px solid var(--bento-border-subtle);
}

.ui-root .chat-prompt {
  display: flex;
  width: 100%;
  min-height: 40px;
  align-items: center;
  gap: 10px;
  padding: 8px 6px;
  border: 0;
  border-radius: var(--bento-radius-md);
  background: transparent;
  font: inherit;
  text-align: left;
  color: var(--bento-fg);
  cursor: pointer;
  outline: none;
  transition: background-color var(--bento-duration-fast) var(--bento-easing);
}

.ui-root .chat-prompt:hover {
  background-color: var(--bento-fill-hover);
}

.ui-root .chat-prompt:focus-visible {
  box-shadow: var(--bento-focus-ring);
}

.ui-root .chat-prompt-icon {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  box-sizing: border-box;
  border: 1px solid var(--bento-border);
  border-radius: var(--bento-radius-md);
  background-color: var(--bento-surface);
  color: var(--bento-fg-muted);
}

.ui-root .chat-prompt:hover .chat-prompt-icon {
  color: var(--bento-fg);
}

.ui-root .chat-prompt-text {
  min-width: 0;
  flex: 1 1 auto;
}

.ui-root .chat-prompt-arrow {
  flex-shrink: 0;
  color: var(--bento-fg-subtle);
  opacity: 0;
  transition: opacity var(--bento-duration-fast) var(--bento-easing);
}

.ui-root .chat-prompt:hover .chat-prompt-arrow,
.ui-root .chat-prompt:focus-visible .chat-prompt-arrow {
  opacity: 1;
}

/* Composer: a framed surface that lights up when anything inside has focus. ------------------------------ */

.ui-root .report-ai-composer {
  flex: none;
  margin: 0;
  padding: 4px 12px calc(12px + env(safe-area-inset-bottom, 0px));
}

@media (min-width: 1024px) {
  .ui-root .report-ai-composer {
    padding-bottom: 12px;
  }
}

.ui-root .chat-composer {
  display: flex;
  min-width: 0;
  flex-direction: column;
  border: 1px solid var(--bento-border-strong);
  border-radius: var(--bento-radius-lg);
  background-color: var(--bento-surface);
  transition: border-color var(--bento-duration-fast) var(--bento-easing), box-shadow var(--bento-duration-fast) var(--bento-easing);
}

.ui-root .chat-composer:focus-within {
  border-color: var(--bento-accent);
  box-shadow: var(--bento-focus-ring);
}

.ui-root .chat-textarea {
  display: block;
  box-sizing: border-box;
  width: 100%;
  min-height: 40px;
  margin: 0;
  padding: 10px 12px 2px;
  border: 0;
  background: transparent;
  resize: none;
  outline: none;
  font-family: var(--bento-font-sans);
  font-size: var(--bento-text-body-lg);
  line-height: var(--bento-leading-body-lg);
  color: var(--bento-fg);
}

/* The layout styles bare textareas as fields; inside the frame the textarea has no chrome of its own. */
.ui-root .chat-composer textarea.chat-textarea,
.ui-root .chat-composer textarea.chat-textarea:focus {
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  outline: none;
}

.ui-root .chat-textarea::placeholder {
  color: var(--bento-fg-subtle);
}

.ui-root .chat-composer-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  padding: 4px 8px 8px;
}

.ui-root .chat-composer-hint {
  min-width: 0;
  margin-right: auto;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: var(--bento-text-caption);
  line-height: var(--bento-leading-caption);
  color: var(--bento-fg-subtle);
}

.ui-root .chat-composer-hint kbd {
  font-family: var(--bento-font-sans);
  font-size: var(--bento-text-caption);
  color: var(--bento-fg-muted);
}

.ui-root .chat-composer .chat-send,
.ui-root .chat-composer .chat-stop {
  width: 28px;
  padding: 0;
  justify-content: center;
}

.ui-root .chat-stop-glyph {
  display: block;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background-color: currentColor;
}

/* Phones: the hint is noise on touch, controls grow to 44px targets, and text stays at 16px so iOS
   does not zoom into the composer. */
@media (max-width: 1023px) {
  .ui-root .chat-composer {
    flex-direction: row;
    align-items: flex-end;
  }

  .ui-root .chat-textarea {
    flex: 1 1 auto;
    padding-bottom: 10px;
  }

  .ui-root .chat-composer-footer {
    padding: 4px;
  }

  .ui-root .chat-composer-hint {
    display: none;
  }
}

@media (pointer: coarse) {
  .ui-root .chat-textarea {
    font-size: 16px;
  }

  .ui-root .chat-composer .chat-send,
  .ui-root .chat-composer .chat-stop {
    width: 36px;
    height: 36px;
  }

  .ui-root .chat-prompt {
    min-height: 44px;
  }

  .ui-root .chat-tool-head {
    min-height: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ui-root .chat-pixels > span,
  .ui-root .chat-caret {
    animation: none;
    opacity: 0.6;
  }
}