:root {
  color-scheme: light;
  --bg: #ffffff;
  --panel: #ffffff;
  --panel-soft: #f7f8fb;
  --text: #111827;
  --muted: #6b7280;
  --line: #e5e7eb;
  --brand: #ef6262;
  --brand-dark: #d94d4d;
  --brand-soft: #fff0f0;
  --honey: #f5b82e;
  --honey-soft: #fff7dc;
  --leaf: #2f8f6b;
  --blue-soft: #eff6ff;
  --blue-line: #bfdbfe;
  --shadow: 0 16px 38px rgba(28, 39, 60, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  height: 100vh;
  overflow: hidden;
  color: var(--text);
  background: var(--bg);
  font-size: 15px;
  font-family: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  font-weight: 400;
}

button,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.shell {
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
  height: 100vh;
  overflow: hidden;
  transition: grid-template-columns 0.2s ease;
}

.sidebar {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  height: 100vh;
  overflow: hidden;
  border-right: 1px solid var(--line);
  background: #f7f8fa;
  padding: 18px 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 38px;
  margin-bottom: 14px;
  font-size: 15px;
}

.brand strong {
  flex: 0 0 auto;
  white-space: nowrap;
}

.brand-status {
  flex: 0 0 auto;
  color: #94a3b8;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: -0.3px;
  white-space: nowrap;
}

.bee-avatar {
  flex: 0 0 54px;
  width: 54px;
  height: 46px;
}

.bee-mascot {
  position: relative;
  display: inline-block;
  width: 54px;
  height: 46px;
  border: 0;
  background: transparent;
  transform-origin: 50% 64%;
}

.bee-body {
  position: absolute;
  z-index: 2;
  left: 12px;
  top: 11px;
  width: 32px;
  height: 29px;
  overflow: hidden;
  border: 2px solid #5d402c;
  border-radius: 48% 48% 52% 52%;
  background: linear-gradient(90deg, #ffc93d 0 24%, #6a4630 24% 36%, #ffd55c 36% 62%, #6a4630 62% 74%, #ffc93d 74%);
  box-shadow: inset 0 3px 0 rgba(255,255,255,.35), 0 5px 9px rgba(125, 82, 25, .15);
}

.bee-face::before,
.bee-face::after {
  content: "";
  position: absolute;
  top: 8px;
  width: 4px;
  height: 5px;
  border-radius: 50%;
  background: #392c29;
  box-shadow: 0 7px 0 -1px #ef7f73;
}

.bee-face::before { left: 6px; }
.bee-face::after { right: 6px; }

.bee-wing {
  position: absolute;
  z-index: 1;
  top: 5px;
  width: 22px;
  height: 25px;
  border: 2px solid #a7cfe2;
  border-radius: 65% 55% 62% 45%;
  background: rgba(224, 247, 255, .88);
  transform-origin: 50% 90%;
}

.bee-wing-left { left: 3px; transform: rotate(-31deg); }
.bee-wing-right { right: 2px; transform: scaleX(-1) rotate(-31deg); }

.bee-mascot::before,
.bee-mascot::after {
  content: "";
  position: absolute;
  z-index: 3;
  top: 4px;
  width: 10px;
  height: 12px;
  border-top: 2px solid #5d402c;
  border-radius: 50%;
}

.bee-mascot::before { left: 17px; transform: rotate(-32deg); }
.bee-mascot::after { right: 15px; transform: rotate(32deg); }

.bee-avatar:hover { animation: bee-bob .42s ease-in-out; }
.bee-avatar:hover .bee-wing-left { animation: wing-left .13s ease-in-out 3; }
.bee-avatar:hover .bee-wing-right { animation: wing-right .13s ease-in-out 3; }

@keyframes bee-bob {
  0%, 100% { transform: translateY(0) rotate(0); }
  35% { transform: translateY(-4px) rotate(-4deg); }
  70% { transform: translateY(-1px) rotate(3deg); }
}

@keyframes wing-left {
  50% { transform: rotate(-55deg) scaleY(.72); }
}

@keyframes wing-right {
  50% { transform: scaleX(-1) rotate(-55deg) scaleY(.72); }
}

.icon-button {
  display: inline-grid;
  place-items: center;
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #4b5563;
  background: #fff;
}

.icon-button:hover {
  border-color: #cbd5e1;
  background: #f8fafc;
}

.new-chat {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #111827;
  background: #fff;
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.05);
}

.new-chat:hover {
  background: #fff;
  border-color: #cbd5e1;
}

.history-section {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  width: 100%;
  margin-top: 18px;
  overflow: hidden;
}

.language-switcher {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  width: 100%;
  min-width: 0;
  margin-top: 12px;
  padding: 10px;
  border: 1px solid #f1c75b;
  border-radius: 12px;
  background: #fff7d6;
}

.language-current {
  min-width: 0;
  overflow: hidden;
  color: #475569;
  font-size: 13px;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.language-toggle {
  min-width: 72px;
  min-height: 30px;
  padding: 5px 9px;
  border: 1px solid #e7aa17;
  border-radius: 999px;
  color: #5f4100;
  background: #f8c33a;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
}

.language-toggle:hover {
  border-color: #ca8a04;
  background: #f5b82e;
}

html[lang="en"] .brand {
  align-items: center;
  flex-wrap: nowrap;
}

html[lang="en"] .brand-status {
  flex: 1 1 auto;
  min-width: 0;
  line-height: 1.2;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

html[lang="en"] .prompt-card,
html[lang="en"] .guided-action,
html[lang="en"] .tutorial-tab,
html[lang="en"] .message-tools button {
  overflow-wrap: anywhere;
  white-space: normal;
}

html[lang="en"] .prompt-card {
  min-height: 86px;
}

html[lang="en"] .prompt-card span,
html[lang="en"] .prompt-card small {
  line-height: 1.3;
}

html[lang="en"] .message-content,
html[lang="en"] .guide-step-text,
html[lang="en"] .guided-action {
  overflow-wrap: anywhere;
  word-break: normal;
}

html[lang="en"] .message {
  line-height: 1.45;
}

html[lang="en"] .message.assistant .message-content {
  font-size: 15px;
  line-height: 1.48;
}

.section-label,
.eyebrow {
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
}

.history-list {
  display: grid;
  align-content: start;
  gap: 8px;
  min-height: 0;
  margin-top: 10px;
  overflow-y: auto;
  padding-right: 2px;
}

.history-item {
  display: grid;
  grid-template-rows: auto;
  align-content: center;
  gap: 0;
  width: 100%;
  min-width: 0;
  min-height: 42px;
  padding: 10px 12px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--text);
  background: transparent;
  font-size: 14px;
  text-align: left;
  line-height: 1.35;
}

.history-item:hover,
.history-item.active {
  border-color: transparent;
  background: #ffffff;
}

.history-item .history-title {
  display: block;
  width: 100%;
  min-width: 0;
  color: #111827;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.45;
  max-height: 1.45em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.history-item time {
  display: none;
}

.empty-history {
  color: var(--muted);
  font-size: 15px;
  padding: 12px 4px;
}

.sidebar-actions {
  display: none;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  width: 100%;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.side-tool {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #475569;
  background: #fff;
  font-size: 15px;
  font-weight: 700;
}

.side-tool:hover {
  border-color: #fca5a5;
  color: var(--brand-dark);
  background: var(--brand-soft);
}

.side-tool span:first-child {
  display: inline-grid;
  place-items: center;
  min-width: 16px;
}

.chat-panel {
  position: relative;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 8px;
  min-width: 0;
  height: 100vh;
  padding: 14px clamp(18px, 2.4vw, 42px) 16px;
  background: #ffffff;
}

.prompt-strip {
  z-index: 8;
  justify-self: center;
  width: min(880px, 100%);
  border: 1px solid #e3e7ef;
  border-radius: 28px;
  outline: 0;
  padding: 24px;
  background: rgba(255, 255, 255, .98);
  box-shadow: 0 20px 55px rgba(37, 52, 86, .09);
  transform-origin: top right;
  transition: width .36s cubic-bezier(.22, 1, .36, 1), height .36s cubic-bezier(.22, 1, .36, 1), border-radius .3s ease, padding .3s ease, box-shadow .3s ease, transform .36s cubic-bezier(.22, 1, .36, 1);
}

.chat-panel.is-empty {
  grid-template-rows: minmax(0, 1fr) 0 auto;
  padding-bottom: max(70px, 11vh);
}

.chat-panel.is-empty .prompt-strip {
  align-self: end;
  min-height: 0;
  max-height: calc(100% - 24px);
  margin-bottom: 24px;
  overflow-y: auto;
  overscroll-behavior: contain;
  animation: prompt-arrive .5s cubic-bezier(.22, 1, .36, 1) both;
}

.chat-panel.is-empty .messages {
  display: none;
}

.chat-panel.is-empty .composer {
  grid-row: 3;
  width: min(880px, 100%);
  justify-self: center;
  margin-bottom: 0;
}

.prompt-collapsed-icon {
  display: none;
}

.prompt-heading {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.prompt-panel-content {
  position: relative;
}

.prompt-panel-close {
  position: absolute;
  top: -10px;
  right: -8px;
  display: none;
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 999px;
  color: #6b7280;
  background: #f3f4f6;
  font-size: 22px;
  line-height: 1;
}

.prompt-panel-close:hover {
  color: #111827;
  background: #e5e7eb;
}

.prompt-bee {
  flex: 0 0 54px;
  animation: prompt-bee-float 2.8s ease-in-out infinite;
  cursor: default;
}

.prompt-bee:hover {
  animation: prompt-bee-wiggle .48s ease-in-out;
}

.prompt-bee:hover .bee-wing-left {
  animation: wing-left .12s ease-in-out 4;
}

.prompt-bee:hover .bee-wing-right {
  animation: wing-right .12s ease-in-out 4;
}

@keyframes prompt-bee-float {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-5px) rotate(1.5deg); }
}

@keyframes prompt-bee-wiggle {
  0%, 100% { transform: translateY(0) rotate(0); }
  25% { transform: translateY(-3px) rotate(-7deg); }
  55% { transform: translateY(-5px) rotate(6deg); }
  80% { transform: translateY(-2px) rotate(-3deg); }
}

.prompt-heading h1 {
  margin: 0 0 5px;
  color: #111827;
  font-size: clamp(22px, 2vw, 30px);
  line-height: 1.2;
}

.prompt-heading p {
  margin: 0;
  color: #7b8495;
  font-size: 14px;
}

.prompt-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.prompt-group {
  display: grid;
  gap: 8px;
  grid-column: 1 / -1;
  padding: 10px;
  border: 1px solid #edf0f5;
  border-radius: 18px;
  background: rgba(255, 255, 255, .72);
}

.prompt-group-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 3px;
  color: #283449;
  font-size: 13px;
}

.prompt-group-heading strong {
  font-weight: 700;
}

.prompt-group-heading span {
  color: #8b94a5;
  font-size: 11px;
  font-weight: 500;
}

.prompt-group-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.prompt-grid-products {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.prompt-group-navigation {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 12px;
  min-width: 0;
}

.prompt-back {
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px 9px;
  color: #64748b;
  background: #fff;
  font-size: 12px;
}

.prompt-back:hover {
  border-color: #f2c66d;
  color: #8a6417;
  background: #fffaf0;
}

.prompt-card-more {
  border-color: #f1c55d;
  background: #fff8df;
}

.prompt-card-more > span {
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

.prompt-card:focus-visible,
.prompt-back:focus-visible,
.help-document-link:focus-visible,
.help-audience-filters button:focus-visible {
  outline: 2px solid #d99b23;
  outline-offset: 3px;
}

.message.assistant.has-help-browser {
  width: min(900px, 100%);
}

.message.assistant.has-help-browser.has-avatar {
  grid-template-columns: 38px minmax(0, 1fr);
}

.help-documents {
  min-width: 0;
  white-space: normal;
}

.help-documents > p {
  margin: 0 0 14px;
  color: #475569;
  line-height: 1.7;
}

.help-document-list {
  display: grid;
  gap: 6px;
}

.help-document-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  min-width: 0;
  border: 1px solid #e8edf3;
  border-radius: 10px;
  padding: 10px 12px;
  color: #334155;
  background: #fafbfe;
  font-size: 13px;
  line-height: 1.6;
  text-align: left;
  overflow-wrap: anywhere;
}

.help-document-link:hover {
  border-color: #f2c66d;
  color: #8a6417;
  background: #fffaf0;
}

.help-document-link > span:last-child {
  flex: 0 0 auto;
  color: #94a3b8;
}

.help-browser-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  margin-bottom: 12px;
}

.help-search {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  min-height: 42px;
  border: 1px solid #dbe2ea;
  border-radius: 10px;
  padding: 0 11px;
  color: #94a3b8;
  background: #fff;
}

.help-search:focus-within {
  border-color: #e3b447;
  box-shadow: 0 0 0 3px rgba(227, 180, 71, .12);
}

.help-search > span { font-size: 22px; line-height: 1; }
.help-search input {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  padding: 9px 0;
  color: #334155;
  background: transparent;
  font: inherit;
  font-size: 13px;
}
.help-search input::placeholder { color: #94a3b8; }

.help-category {
  display: flex;
  align-items: center;
  gap: 7px;
  color: #64748b;
  font-size: 12px;
}

.help-category select,
.help-pagination select {
  min-width: 0;
  min-height: 38px;
  max-width: 190px;
  border: 1px solid #dbe2ea;
  border-radius: 8px;
  padding: 7px 8px;
  color: #475569;
  background: #fff;
  font: inherit;
  font-size: 12px;
  cursor: pointer;
}

.help-audience-filters { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 12px; }
.help-audience-filters button,
.help-pagination button {
  min-height: 34px;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 6px 10px;
  color: #64748b;
  background: #fff;
  font-size: 12px;
}
.help-audience-filters button[aria-pressed="true"] { border-color: #f1c55d; color: #8a6417; background: #fff8df; }
.help-audience-filters button > span { margin-left: 5px; font-size: 11px; opacity: .75; }
.help-audience-filters button:hover,
.help-pagination button:not(:disabled):hover { border-color: #e3b447; color: #8a6417; }
.help-pagination button:disabled { opacity: .45; cursor: not-allowed; }

.help-browser-summary { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; margin: 8px 0; color: #94a3b8; font-size: 12px; }
.help-browser-summary button { border: 0; padding: 2px 0; color: #98721d; background: transparent; font-size: 12px; }
.help-document-copy { display: grid; gap: 3px; min-width: 0; }
.help-document-copy small { color: #94a3b8; font-size: 11px; font-weight: 400; }
.help-document-copy mark { border-radius: 3px; padding: 0 1px; color: #8a6417; background: #fff0b5; }
.help-browser-empty { border: 1px dashed #dbe2ea; border-radius: 10px; padding: 28px 16px; color: #64748b; text-align: center; font-size: 13px; }
.help-browser-empty p { margin: 8px 0 0; color: #94a3b8; font-size: 12px; }
.help-pagination { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.help-pagination label { display: flex; align-items: center; gap: 6px; color: #64748b; font-size: 12px; }
.help-category select:focus-visible,
.help-pagination select:focus-visible,
.help-pagination button:focus-visible,
.help-audience-filters button:focus-visible,
.help-browser-summary button:focus-visible { outline: 2px solid #d99b23; outline-offset: 2px; }

@media (max-width: 620px) {
  .message.assistant.has-help-browser.has-avatar { grid-template-columns: 32px minmax(0, 1fr); }
  .help-browser-controls { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .help-category { justify-content: space-between; }
  .help-category select { flex: 1; max-width: none; }
  .help-document-link { padding: 9px 10px; font-size: 12px; }
  .help-pagination { gap: 6px; }
  .help-pagination button { padding: 6px 8px; }
}

.prompt-card-muted {
  border-style: dashed;
  color: #64748b;
  background: #f8fafc;
}

.prompt-loading {
  grid-column: 1 / -1;
  padding: 16px;
  border: 1px dashed #d8dee9;
  border-radius: 14px;
  color: #8b94a5;
  font-size: 13px;
  text-align: center;
}

.prompt-card {
  display: grid;
  align-content: start;
  gap: 5px;
  min-width: 0;
  min-height: 78px;
  border: 1px solid #e3e7ef;
  border-radius: 16px;
  padding: 12px 14px;
  color: #253047;
  background: #fafbfe;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.35;
  text-align: left;
  overflow-wrap: anywhere;
  transition: transform .18s ease, border-color .18s ease, background .18s ease, box-shadow .18s ease;
}

.prompt-card small {
  color: #8b94a5;
  font-size: 11px;
  font-weight: 400;
}

.prompt-card:hover {
  border-color: #f2c66d;
  color: #111827;
  background: #fffaf0;
  box-shadow: 0 8px 18px rgba(166, 111, 19, .09);
  transform: translateY(-2px);
}

.prompt-card-primary {
  border-color: #f1c55d;
  background: #fff8df;
}

.prompt-product-card {
  gap: 10px;
  min-height: 168px;
  padding: 18px;
  background: #fff;
}

.prompt-product-mark {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  color: #98721d;
  background: #fff5d6;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .5px;
}

.prompt-product-mark-ulms { color: #4776b3; background: #edf4ff; }
.prompt-product-mark-uagent { color: #6d60ab; background: #f2efff; }
.prompt-product-title { font-size: 15px; font-weight: 600; }
.prompt-product-card > small { line-height: 1.6; }
.prompt-product-footer { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.prompt-product-footer > span { color: #94a3b8; }

.chat-panel.has-conversation .prompt-strip {
  position: absolute;
  top: 16px;
  right: 24px;
  width: 56px;
  height: 56px;
  overflow: hidden;
  border-color: #f1c55d;
  border-radius: 999px;
  padding: 0;
  box-shadow: 0 10px 24px rgba(129, 92, 20, .14);
  animation: prompt-dock .48s cubic-bezier(.22, 1, .36, 1) both;
  /* Explicit click state only: animating geometry hides/moves the trigger under
     the pointer and reflows every card while the popover is expanding. */
  transition: box-shadow .18s ease, border-color .18s ease;
}

.chat-panel.has-conversation {
  grid-template-rows: 0 minmax(0, 1fr) auto;
}

.chat-panel.has-conversation .composer {
  grid-row: 3;
  align-self: end;
  height: auto;
}

.chat-panel.has-conversation .prompt-collapsed-icon {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border: 0;
  border-radius: 999px;
  color: #7d5811;
  background: #fff7d6;
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
}

.chat-panel.has-conversation .prompt-panel-content {
  width: 100%;
  visibility: hidden;
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  transition: opacity .18s ease, transform .25s ease;
}

.chat-panel.has-conversation .prompt-strip.prompt-open {
  width: min(760px, calc(100% - 48px));
  height: auto;
  max-height: calc(100% - 100px);
  overflow: auto;
  border-radius: 22px;
  padding: 20px;
  box-shadow: 0 22px 55px rgba(30, 41, 59, .16);
}

.chat-panel.has-conversation .prompt-strip.prompt-open .prompt-collapsed-icon {
  display: none;
}

.chat-panel.has-conversation .prompt-strip.prompt-open .prompt-panel-content {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.chat-panel.has-conversation .prompt-strip.prompt-open .prompt-panel-close {
  display: grid;
  place-items: center;
}

.chat-panel.has-conversation .prompt-heading {
  margin-bottom: 14px;
}

.chat-panel.has-conversation .prompt-heading h1 {
  font-size: 19px;
}

@keyframes prompt-arrive {
  from { opacity: 0; transform: translateY(18px) scale(.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes prompt-dock {
  from { opacity: .4; transform: translate(-30px, 18px) scale(1.35); }
  to { opacity: 1; transform: translate(0, 0) scale(1); }
}

.prompt-card[data-url] {
  border-color: #d9dee8;
  color: #374151;
  background: #fff;
}

.prompt-card[data-url]:hover {
  border-color: #c7d2fe;
  color: #1f2937;
  background: #fff;
}

.prompt-card.video-prompt {
  border-color: #d9dee8;
  color: #374151;
  background: #fff;
}

.prompt-card.video-prompt:hover {
  border-color: #c7d2fe;
  color: #1f2937;
  background: #fff;
}

.messages {
  display: flex;
  flex-direction: column;
  gap: 4px;
  justify-self: stretch;
  width: 100%;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
  padding: 4px 2px 8px;
  scroll-behavior: smooth;
}

.chat-panel.has-conversation .messages {
  grid-row: 2;
  padding-top: 62px;
}

.message {
  display: grid;
  flex: 0 0 auto;
  gap: 0;
  max-width: min(1220px, 98%);
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  font-size: 15px;
  line-height: 1.62;
  white-space: normal;
  box-shadow: none;
}

.message.user {
  align-self: flex-end;
  max-width: min(760px, calc(100% - 12px));
  padding: 0;
  background: transparent;
}

.message.user .message-body {
  display: grid;
  gap: 5px;
  justify-items: end;
  width: fit-content;
  min-width: 0;
  max-width: 100%;
  padding: 0;
  background: transparent;
}

.message.assistant {
  align-self: flex-start;
  width: fit-content;
  max-width: 100%;
}

.message.assistant.has-avatar {
  grid-template-columns: 38px minmax(0, auto);
  column-gap: 10px;
  align-items: start;
}

.message.assistant.has-screenshot,
.message.assistant.has-guidance {
  width: 100%;
}

.message.assistant.has-screenshot.has-avatar,
.message.assistant.has-guidance.has-avatar {
  grid-template-columns: 38px minmax(0, 900px);
}

.message-avatar {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 0;
  background: transparent;
  transform: translateX(-7px);
  animation: message-bee-float 2.6s ease-in-out infinite;
}

.message-avatar .bee-mascot {
  transform: scale(.68);
}

.message-avatar:hover {
  animation: message-bee-wiggle .46s ease-in-out;
}

.message-avatar:hover .bee-wing-left {
  animation: wing-left .12s ease-in-out 4;
}

.message-avatar:hover .bee-wing-right {
  animation: wing-right .12s ease-in-out 4;
}

@keyframes message-bee-float {
  0%, 100% { transform: translate(-7px, 0); }
  50% { transform: translate(-7px, -4px); }
}

@keyframes message-bee-wiggle {
  0%, 100% { transform: translate(-7px, 0) rotate(0); }
  30% { transform: translate(-9px, -3px) rotate(-6deg); }
  65% { transform: translate(-5px, -4px) rotate(6deg); }
}

@media (prefers-reduced-motion: reduce) {
  .bee-avatar:hover,
  .bee-avatar:hover .bee-wing-left,
  .bee-avatar:hover .bee-wing-right {
    animation: none;
  }

  .prompt-strip,
  .chat-panel.is-empty .prompt-strip,
  .chat-panel.has-conversation .prompt-strip,
  .prompt-panel-content,
  .prompt-card {
    animation: none;
    transition: none;
  }

  .prompt-bee,
  .prompt-bee:hover,
  .prompt-bee:hover .bee-wing-left,
  .prompt-bee:hover .bee-wing-right {
    animation: none;
  }

  .message-avatar,
  .message-avatar:hover,
  .message-avatar:hover .bee-wing-left,
  .message-avatar:hover .bee-wing-right {
    animation: none;
  }
}

.message-body {
  min-width: 0;
  max-width: 100%;
}

.message.has-screenshot .message-body,
.message.has-guidance .message-body {
  display: grid;
  gap: 0;
  width: min(100%, 900px);
}

.message.has-screenshot .message-meta,
.message.has-guidance .message-meta {
  margin-bottom: 0;
}

.message-content {
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
  white-space: pre-wrap;
}

/* Preserve source article sections and paragraphs inside chat replies. */
.help-article-content { white-space: normal; }
.help-article-heading { margin: 22px 0 10px; color: #17365d; line-height: 1.45; }
.help-article-heading:first-child { margin-top: 0; }
.help-article-heading-1 { font-size: 21px; }
.help-article-heading-2 { font-size: 18px; padding-bottom: 6px; border-bottom: 1px solid #e5eaf0; }
.help-article-heading-3 { font-size: 16px; }
.help-article-heading-4, .help-article-heading-5, .help-article-heading-6 { font-size: 15px; }
.help-article-paragraph { margin: 8px 0; white-space: pre-line; }
.article-image-figure { margin: 12px 0 18px; white-space: normal; }
.article-image { display: block; max-width: 100%; max-height: 620px; width: auto; height: auto; border: 1px solid #e5eaf0; border-radius: 8px; }
.article-image-figure figcaption { display: none; }
.article-image-unavailable { display: block; margin: 12px 0; padding: 10px 12px; border-radius: 6px; color: #64748b; background: #f8fafc; font-size: 13px; }
.assistant-line, .assistant-list-item { white-space: pre-wrap; }
.assistant-break { height: 1em; }
.assistant-heading { margin: 14px 0 6px; }

.message.user .message-content {
  justify-self: end;
  width: fit-content;
  max-width: 100%;
  padding: 8px 12px;
  border-radius: 18px 18px 4px 18px;
  color: #0f2147;
  background: #f2f5fb;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
  text-align: right;
}

.message.is-thinking .message-body {
  width: fit-content;
  max-width: 100%;
  padding: 9px 12px;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  background: #ffffff;
}

.thinking-indicator {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #5b6472;
  font-size: 13px;
  line-height: 1.2;
  white-space: nowrap;
}

.thinking-spinner {
  width: 14px;
  height: 14px;
  border: 2px solid #d7dde7;
  border-top-color: var(--brand);
  border-radius: 999px;
  animation: thinking-spin 0.8s linear infinite;
}

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

.feature-link {
  display: inline;
  border: 1px solid #dbeafe;
  border-radius: 999px;
  padding: 1px 7px;
  color: #1d4ed8;
  background: #eff6ff;
  font: inherit;
  font-weight: 600;
  line-height: inherit;
  text-align: left;
  vertical-align: baseline;
  cursor: pointer;
}

.feature-link:hover {
  color: #1e40af;
  background: #dbeafe;
  border-color: #bfdbfe;
}

.guided-next {
  display: grid;
  gap: 10px;
  width: 100%;
  margin-top: 16px;
  padding: 14px 16px;
  border: 1px solid #e7edf5;
  border-radius: 8px;
  background: #fbfcff;
}

.screenshot-guide + .guided-next {
  border-top: 0;
  border-radius: 0 0 8px 8px;
}

.message.has-guidance .message-tools {
  margin-top: 10px;
}

.guided-next p {
  margin: 0;
  color: var(--text);
  font-size: 15px;
  font-weight: 700;
}

.guided-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.guided-action {
  min-height: 34px;
  border: 1px solid #dbeafe;
  border-radius: 999px;
  padding: 6px 13px;
  color: #1d4ed8;
  background: #fff;
  font: inherit;
  font-size: 13px;
  font-weight: 700;
}

.guided-action:hover {
  border-color: #bfdbfe;
  color: #1e40af;
  background: #eff6ff;
}

.video-guide {
  display: grid;
  gap: 8px;
  width: min(100%, 900px);
  margin: 8px 0 0;
}

.video-guide figcaption {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.video-guide video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #111827;
}

.answer-tutorial {
  width: 100%;
  overflow: hidden;
  border: 1px solid #dfe7ef;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 8px 24px rgb(15 23 42 / 5%);
}

.tutorial-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  padding: 5px;
  border-bottom: 1px solid #e8edf3;
  background: #f6f8fb;
}

.tutorial-tab {
  position: relative;
  min-height: 42px;
  border: 0;
  border-radius: 8px;
  color: #64748b;
  background: transparent;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

.tutorial-tab:hover {
  color: #1d4ed8;
  background: #eef4ff;
}

.tutorial-tab.active {
  color: #1d4ed8;
  background: #fff;
  box-shadow: 0 2px 8px rgb(15 23 42 / 8%);
}

.tutorial-tab.active::after {
  position: absolute;
  right: 24%;
  bottom: -5px;
  left: 24%;
  height: 2px;
  border-radius: 999px;
  background: #2563eb;
  content: "";
}

.tutorial-panel {
  padding: 18px;
}

.tutorial-panel[hidden] {
  display: none;
}

.tutorial-panel .screenshot-guide {
  margin: 0;
}

.tutorial-empty {
  display: grid;
  min-height: 180px;
  place-items: center;
  border: 1px dashed #d8e0e8;
  border-radius: 10px;
  color: #94a3b8;
  background: #f8fafc;
  font-size: 14px;
}

@media (max-width: 680px) {
  .tutorial-panel {
    padding: 10px;
  }

  .tutorial-tab {
    min-height: 40px;
    font-size: 13px;
  }

}

.screenshot-guide {
  position: relative;
  display: grid;
  gap: 0;
  width: 100%;
  margin-top: 0;
}

.guide-brief {
  display: grid;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid #eef1d8;
  border-radius: 0;
  background: linear-gradient(135deg, #fffdf2, #f7fbf4);
}

.screenshot-guide > :first-child {
  border-radius: 8px 8px 0 0;
}

.guide-brief strong {
  color: var(--text);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.45;
}

.guide-prerequisite-inline {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  color: #475569;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.45;
}

.guide-prerequisite-action {
  min-height: 28px;
  border: 1px solid #bfdbfe;
  border-radius: 999px;
  padding: 4px 10px;
  color: #1d4ed8;
  background: #fff;
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.guide-prerequisite-action:hover {
  border-color: #93c5fd;
  color: #1e40af;
  background: #eff6ff;
}

.screenshot-carousel {
  position: relative;
  display: grid;
  grid-template-columns: minmax(190px, var(--step-column-width, 270px)) minmax(0, 1fr);
  align-items: stretch;
  height: var(--screenshot-image-height, 440px);
  min-height: var(--screenshot-min-height, 320px);
  max-height: 640px;
  border: 1px solid var(--line);
  border-top: 0;
  border-radius: 0 0 8px 8px;
  overflow: hidden;
  background: #fff;
}

.screenshot-rail {
  position: absolute;
  inset: 0;
  display: flex;
  gap: 0;
  min-height: 0;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
  background: #fff;
}

.screenshot-rail::-webkit-scrollbar {
  display: none;
}

.screenshot-card {
  flex: 0 0 100%;
  min-width: 0;
  min-height: 0;
  height: 100%;
  scroll-snap-align: start;
  padding: 0;
  background: #fff;
}

.screenshot-steps {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
  min-height: 0;
  height: 100%;
  overflow-y: auto;
  overscroll-behavior-y: contain;
  overflow-anchor: none;
  padding: 12px;
  border-right: 1px solid var(--line);
  background: #f8fafc;
}

.screenshot-step {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 8px;
  align-items: start;
  flex: 0 0 auto;
  width: 100%;
  min-height: 0;
  height: auto;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 12px 10px;
  color: #334155;
  background: #fff;
  text-align: left;
  line-height: 1.55;
}

.screenshot-step:hover {
  border-color: #cbd5e1;
  background: #f1f5f9;
}

.screenshot-step.active {
  border-color: #f0c24f;
  background: #fff7dc;
  box-shadow: 0 4px 12px rgba(183, 132, 14, 0.08);
}

.screenshot-step-index {
  color: #b57900;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.screenshot-step-copy,
.screenshot-step-text {
  display: block;
  min-width: 0;
  color: var(--text);
  overflow-wrap: anywhere;
  white-space: pre-line;
  font-size: 13px;
  line-height: 1.55;
}

.screenshot-step-section {
  display: block;
  margin-bottom: 6px;
  color: #64748b;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.5;
}

.screenshot-step-image-count {
  display: block;
  margin-top: 6px;
  color: #64748b;
  font-size: 11px;
}

.screenshot-image-wrap {
  display: grid;
  place-items: center;
  min-width: 0;
  min-height: 0;
  width: 100%;
  height: 100%;
  padding: 0;
  background: #fff;
}

.screenshot-card img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: contain;
  border: 0;
  border-radius: 0;
  background: #fff;
}

.screenshot-card img[hidden],
.screenshot-image-error[hidden] {
  display: none;
}

.screenshot-image-error {
  padding: 24px 60px;
  color: #64748b;
  font-size: 14px;
  text-align: center;
}

.screenshot-stage {
  position: relative;
  min-width: 0;
  min-height: 0;
  height: 100%;
  overflow: hidden;
}

.screenshot-status {
  padding: 9px 12px;
  color: #64748b;
  text-align: right;
  font-size: 12px;
  line-height: 1.5;
}

.screenshot-nav:disabled {
  opacity: 0.35;
  cursor: default;
  pointer-events: none;
}

.screenshot-nav {
  position: absolute;
  z-index: 1;
  top: 50%;
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border: 1px solid #dbe3ee;
  border-radius: 999px;
  color: #1f2937;
  background: rgba(255, 255, 255, 0.64);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.12);
  font-size: 38px;
  line-height: 1;
  transform: translateY(-50%);
}

.screenshot-nav:hover {
  border-color: #bfdbfe;
  color: #1d4ed8;
  background: rgba(255, 255, 255, 0.86);
}

.screenshot-nav-prev {
  left: 12px;
}

.screenshot-nav-next {
  right: 12px;
}

.video-menu {
  display: grid;
  gap: 14px;
  width: min(100%, 980px);
  margin-top: 10px;
}

.video-menu-group {
  display: grid;
  gap: 7px;
}

.video-menu-group h3 {
  margin: 0;
  color: var(--text);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.35;
}

.video-menu-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.video-menu-button {
  min-height: 28px;
  border: 1px solid #bfdbfe;
  border-radius: 999px;
  padding: 4px 10px;
  color: #1d4ed8;
  background: #eff6ff;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.35;
}

.video-menu-button:hover {
  border-color: #93c5fd;
  color: #1e40af;
  background: #dbeafe;
}

.message-meta {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.2;
  white-space: nowrap;
}

.message-meta time {
  flex: 0 0 auto;
}

.message.user .message-meta {
  justify-content: flex-end;
  gap: 10px;
  width: auto;
}

.message-tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  min-height: 20px;
  margin-top: 0;
  color: #8a93a3;
  opacity: 0.86;
}

.message.user .message-tools {
  width: auto;
  justify-content: flex-end;
}

.message-tools button {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  border: 0;
  padding: 2px 4px;
  color: #7b8493;
  background: transparent;
  font-size: 12px;
  line-height: 1.2;
  white-space: nowrap;
}

.message-tools button:hover,
.message-tools button.active {
  color: #2563eb;
}

.tool-icon {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 14px;
  height: 14px;
  color: currentColor;
  font-size: 14px;
  line-height: 1;
}

.broken-heart::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 7px;
  width: 1px;
  height: 10px;
  background: currentColor;
  transform: rotate(24deg);
  opacity: 0.9;
}

.composer {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: end;
  gap: 10px;
  justify-self: stretch;
  width: 100%;
  min-height: 62px;
  padding: 10px 12px;
  border: 1px solid #d9dee8;
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
}

.composer textarea {
  width: 100%;
  max-height: 150px;
  min-height: 34px;
  resize: none;
  border: 0;
  outline: 0;
  padding: 7px 2px;
  color: var(--text);
  font-size: 15px;
}

.send-button {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 12px;
  color: #fff;
  color: #5c4015;
  background: var(--honey);
  box-shadow: 0 7px 16px rgba(209, 151, 20, .24);
  transition: background .18s ease, transform .18s ease, box-shadow .18s ease;
}

.send-button svg {
  width: 21px;
  height: 21px;
  overflow: visible;
}

.send-button path {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.send-button:hover {
  background: #e9aa20;
  box-shadow: 0 9px 20px rgba(190, 128, 10, .28);
  transform: translate(1px, -1px);
}

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  max-width: 340px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  background: #fff;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: 0.2s ease;
}

.feedback-dialog {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.28);
}

.feedback-dialog.show {
  display: flex;
}

.feedback-dialog-card {
  position: relative;
  width: min(92vw, 420px);
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.18);
}

.feedback-dialog-card h2 {
  margin: 0 0 10px;
  font-size: 18px;
  line-height: 1.35;
}

.feedback-dialog-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.handoff-textarea {
  width: 100%;
  min-height: 104px;
  margin-top: 16px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 12px;
  outline: 0;
  padding: 10px 12px;
  color: var(--text);
  background: #fff;
  font: inherit;
  font-size: 14px;
  line-height: 1.6;
}

.handoff-textarea:focus {
  border-color: #93c5fd;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.dialog-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 999px;
  color: #6b7280;
  background: transparent;
  font-size: 20px;
}

.dialog-close:hover {
  background: #f3f4f6;
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

.dialog-primary,
.dialog-secondary {
  min-height: 36px;
  border-radius: 999px;
  padding: 0 16px;
  font: inherit;
  font-size: 14px;
}

.dialog-primary {
  border: 1px solid #2563eb;
  color: #fff;
  background: #2563eb;
}

.dialog-secondary {
  border: 1px solid var(--line);
  color: #374151;
  background: #fff;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .shell {
    grid-template-columns: 248px minmax(0, 1fr);
  }

  .prompt-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .prompt-group-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .shell {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto;
    grid-template-columns: 1fr;
    height: 100vh;
    overflow: hidden;
  }

  .sidebar {
    height: auto;
    min-height: 0;
    z-index: 2;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 8px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .history-section {
    display: none;
  }

  .language-switcher {
    grid-column: 1 / -1;
    margin-top: 0;
  }

  .sidebar-actions {
    grid-column: 1 / -1;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    padding-top: 8px;
  }

  .side-tool span:last-child {
    width: auto;
    opacity: 1;
  }

  .chat-panel {
    height: auto;
    min-height: 0;
    padding: 12px 14px 14px;
  }

  .message.assistant.has-avatar {
    grid-template-columns: 32px minmax(0, 1fr);
    column-gap: 8px;
  }

  .message-avatar {
    width: 30px;
    height: 30px;
    font-size: 17px;
  }

  .prompt-strip {
    padding: 18px;
  }

  .prompt-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .prompt-group-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .prompt-grid-products {
    grid-template-columns: 1fr;
  }

  .prompt-product-card {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 6px 12px;
    min-height: 0;
    padding: 12px;
  }

  .prompt-product-mark { grid-row: 1 / 3; }
  .prompt-product-card > small,
  .prompt-product-footer { grid-column: 2; }
  .prompt-product-footer { margin-top: 2px; }

  .prompt-heading { gap: 10px; }
  .prompt-heading h1 { font-size: 21px; }
  .prompt-heading p { font-size: 12px; line-height: 1.6; }
  .prompt-group-heading { flex-wrap: wrap; gap: 8px; }
  .prompt-group-heading > span { margin-left: auto; }
  .chat-panel.is-empty { padding-bottom: 14px; }

  .prompt-card {
    min-height: 58px;
    font-size: 13px;
  }

  .chat-panel.is-empty .composer {
    margin-bottom: 0;
  }

  .chat-panel.has-conversation .prompt-strip {
    top: 10px;
    right: 14px;
  }

  .chat-panel.has-conversation .prompt-strip.prompt-open {
    width: calc(100% - 28px);
    max-height: calc(100% - 100px);
  }

  .composer {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .composer .icon-button {
    display: none;
  }

  .screenshot-carousel {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
    height: auto;
    min-height: 0;
    max-height: none;
  }

  .screenshot-steps {
    flex-direction: row;
    align-items: flex-start;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    height: var(--screenshot-step-height, 220px);
    max-height: 220px;
    overflow-x: auto;
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  .screenshot-step {
    flex: 0 0 78%;
    min-width: 240px;
    max-width: 360px;
    width: auto;
    height: auto;
    align-items: start;
  }

  .screenshot-stage {
    height: clamp(260px, 70vw, 440px);
  }

  .screenshot-nav {
    width: 44px;
    height: 44px;
    font-size: 32px;
  }
}


/* Explicit help-content role; not a login/authentication control. */
.role-picker {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 7px 10px;
  margin-bottom: 14px;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}
.role-picker label { color: #475569; font-size: 12px; font-weight: 600; }
.role-picker select {
  min-width: 0;
  width: 100%;
  padding: 5px 7px;
  border: 1px solid #dbe2ea;
  border-radius: 7px;
  color: #1e293b;
  background: #f8fafc;
  font: inherit;
  font-size: 12px;
  cursor: pointer;
}
.role-picker select:focus-visible { outline: 2px solid #f6bd42; outline-offset: 2px; }
.role-picker small { grid-column: 1 / -1; color: #64748b; font-size: 10px; line-height: 1.5; }
@media (max-width: 620px) {
  .role-picker { grid-column: 1 / -1; grid-row: 2; margin: 0; }
  .role-picker small { font-size: 11px; }
}

/* Tutorials need an explicit width even when no follow-up buttons are present.
   Otherwise a short English reply shrink-wraps the card and hides its images. */
.message.assistant.has-tutorial {
  width: min(1220px, 100%);
}
.message.assistant.has-tutorial.has-avatar {
  grid-template-columns: 38px minmax(0, 1fr);
}
.guide-translation-notice {
  color: #64748b;
  font-size: 12px;
  line-height: 1.5;
}

/* Administrator document management. */
.document-manager-button[hidden], .document-manager [hidden] { display: none !important; }
.document-manager { width: min(1260px, 94vw); height: min(920px, 92vh); max-width: 94vw; max-height: 92vh; padding: 0; border: 1px solid var(--line); border-radius: 18px; color: var(--text); background: var(--panel); box-shadow: 0 24px 90px #11182733; }
.document-manager::backdrop { background: #11182780; }
#documentManagerContent { display: flex; flex-direction: column; height: 100%; position: relative; }
.dm-header { display: flex; align-items: center; justify-content: space-between; padding: 20px 24px; border-bottom: 1px solid var(--line); }
.dm-header h2 { margin: 0; font-size: 21px; }
.dm-header p { margin: 6px 0 0; color: var(--muted); font-size: 13px; }
.document-manager button { padding: 8px 12px; border: 1px solid var(--line); border-radius: 8px; background: white; color: var(--text); font: inherit; }
.dm-header > button { font-size: 25px; padding: 0 10px; }
.document-manager .dm-primary { background: var(--brand); color: white; border-color: var(--brand); }
.dm-layout { display: grid; grid-template-columns: 275px minmax(0, 1fr); min-height: 0; flex: 1; }
.dm-sidebar { display: flex; flex-direction: column; gap: 12px; padding: 18px; min-height: 0; border-right: 1px solid var(--line); background: var(--panel-soft); }
.document-manager input, .document-manager select, .document-manager textarea { width: 100%; font: inherit; color: var(--text); border: 1px solid #d1d5db; border-radius: 7px; padding: 9px; background: white; min-width: 0; }
.document-manager input[type="checkbox"] { width: auto; accent-color: var(--brand); }
.document-manager input[type="file"] { padding: 8px; }
.document-manager textarea { resize: vertical; line-height: 1.7; }
.dm-document-list { overflow-y: auto; min-height: 0; flex: 1; }
.document-manager .dm-document { display: block; width: 100%; text-align: left; margin: 0 0 8px; padding: 12px; overflow-wrap: anywhere; }
.dm-document strong { display: block; font-size: 14px; margin-bottom: 6px; }
.dm-document small, .dm-question small { display: block; color: var(--muted); font-size: 12px; line-height: 1.6; }
.document-manager .is-selected { border-color: var(--brand); background: var(--brand-soft); }
.dm-detail { min-width: 0; overflow-y: auto; padding: 20px 24px; }
.dm-detail h3 { margin: 0 0 14px; }
.dm-detail-header, .dm-editor-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.dm-status { background: var(--honey-soft); border-radius: 20px; padding: 5px 10px; font-size: 12px; white-space: nowrap; }
.dm-muted { color: var(--muted); font-size: 13px; line-height: 1.7; }
.dm-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.document-manager label { display: grid; gap: 6px; font-size: 13px; margin-bottom: 10px; }
.dm-wide { grid-column: 1 / -1; }
.dm-select-row { display: flex; gap: 6px; }
.dm-select-row button { white-space: nowrap; }
.dm-role-fields { border: 1px solid var(--line); border-radius: 8px; padding: 10px; display: flex; gap: 20px; }
.dm-role-fields legend { font-size: 13px; }
.document-manager .dm-role-fields label, .document-manager .dm-check { display: flex; align-items: center; gap: 7px; margin: 0; }
.dm-actions, .dm-toolbar { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.dm-toolbar { position: sticky; top: -20px; background: white; border-bottom: 1px solid var(--line); padding: 12px 0; z-index: 1; }
.document-manager .dm-update { position: relative; overflow: hidden; padding: 8px 12px; border: 1px solid var(--line); border-radius: 8px; cursor: pointer; margin: 0; font-size: 15px; }
.dm-update input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.dm-question-layout { display: grid; grid-template-columns: 215px minmax(0, 1fr); gap: 16px; align-items: start; }
.dm-question-list { max-height: 590px; overflow-y: auto; }
.document-manager .dm-question { display: block; width: 100%; text-align: left; margin-bottom: 6px; font-size: 13px; line-height: 1.6; }
.dm-question.is-deleted { opacity: .65; }
.dm-editor { min-width: 0; }
.dm-editor-heading { margin-bottom: 12px; }
.dm-editor label small { color: var(--muted); }
.dm-preview { line-height: 1.8; overflow-wrap: anywhere; }
.dm-preview p { white-space: pre-wrap; }
.dm-preview img { display: block; max-width: 100%; height: auto; margin: 12px 0; border-radius: 8px; }
.dm-preview h2, .dm-preview h3, .dm-preview h4, .dm-preview h5, .dm-preview h6 { margin: 16px 0 8px; }
.dm-error { color: #991b1b; background: #fef2f2; padding: 12px 20px; margin: 0; border-bottom: 1px solid #fecaca; }
.dm-warning { padding: 12px; margin-bottom: 12px; background: var(--honey-soft); border-radius: 8px; font-size: 13px; overflow-wrap: anywhere; }
.dm-warning p { margin: 6px 0; }
.dm-source { margin: 12px 0; font-size: 13px; }
.document-manager pre { max-height: 260px; overflow: auto; white-space: pre-wrap; overflow-wrap: anywhere; background: var(--panel-soft); padding: 12px; border-radius: 8px; line-height: 1.7; }
.dm-directory-form, .dm-add-form { margin: 12px 0; padding: 14px; background: var(--panel-soft); border: 1px solid var(--line); border-radius: 10px; }
.dm-directory-form strong { display: block; margin-bottom: 12px; }
.dm-empty { text-align: center; color: var(--muted); padding: 30px 15px; }
.dm-busy { position: absolute; inset: 82px 0 0; background: #ffffffd9; display: grid; place-items: center; z-index: 5; color: var(--brand-dark); font-weight: 600; }
@media (max-width: 800px) {
  .document-manager { width: 98vw; height: 96vh; max-width: 98vw; max-height: 96vh; }
  .dm-layout { grid-template-columns: 190px minmax(0, 1fr); }
  .dm-sidebar { padding: 10px; }
  .dm-detail { padding: 14px; }
  .dm-fields, .dm-question-layout { grid-template-columns: 1fr; }
  .dm-question-list { max-height: 170px; }
}
@media (max-width: 520px) {
  .dm-layout { grid-template-columns: 1fr; overflow-y: auto; display: block; }
  .dm-sidebar { max-height: 260px; border-right: none; border-bottom: 1px solid var(--line); }
  .dm-document-list { max-height: 120px; }
  .dm-detail { overflow: visible; }
}
.dm-directory-edit { padding: 14px; margin-bottom: 12px; border: 1px solid var(--line); border-radius: 10px; }
.dm-directory-edit strong { display: block; margin-bottom: 10px; }