/* Conversation workspace: compact navigation, content-first thread, calm composer. */
#conversationStudioBackdrop {
  padding: 12px;
  background: rgba(29, 29, 31, .42);
  backdrop-filter: blur(6px);
}
#conversationStudioDialog {
  width: min(1440px, 100%);
  height: min(900px, 100%);
  min-height: 0;
  border: 1px solid #e5e5e7;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 16px 48px rgba(0, 0, 0, .14);
}
#conversationStudioDialog .conversation-studio-header {
  grid-template-columns: 36px minmax(0, 1fr) auto;
  gap: 10px;
  min-height: 64px;
  padding: 9px 16px;
  background: #fff;
}
#conversationStudioDialog .conversation-studio-mark {
  width: 36px;
  height: 36px;
  border-radius: 11px;
  box-shadow: none;
}
#conversationStudioDialog .conversation-studio-mark svg { width: 18px; height: 18px; }
#conversationStudioDialog .conversation-studio-header h2 { margin: 0; font-size: 18px; font-weight: 650; }
#conversationStudioDialog .conversation-studio-header p { margin: 2px 0 0; font-size: 12px; }
.conversation-header-actions { display: flex; align-items: center; gap: 8px; }
.conversation-header-actions button {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0 12px;
  border: 1px solid #e5e5e7;
  border-radius: 999px;
  background: #fff;
  color: #1d1d1f;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
.conversation-header-actions button:hover { background: #f5f5f7; }
.conversation-header-actions .conversation-new-button { border-color: #0071e3; background: #0071e3; color: #fff; }
.conversation-header-actions .conversation-new-button:hover { background: #0077ed; }
.conversation-header-actions .conversation-new-button svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }
.conversation-header-actions .conversation-studio-close { width: 38px; min-height: 38px; padding: 0; }
.conversation-history-button { display: none !important; }

#conversationStudioDialog .conversation-studio-body { grid-template-columns: 248px minmax(0, 1fr); }
.conversation-sidebar-scrim { display: none; }
#conversationStudioDialog .conversation-sidebar {
  gap: 0;
  padding: 16px 10px;
  background: #fff;
}
#conversationStudioDialog .conversation-sidebar-heading {
  align-items: center;
  padding: 0 10px 14px;
}
#conversationStudioDialog .conversation-sidebar-heading strong { font-size: 14px; font-weight: 650; }
#conversationStudioDialog .conversation-sidebar-heading span { font-size: 12px; }
.conversation-sidebar-close { display: none !important; }
#conversationStudioDialog .conversation-list { gap: 4px; padding: 0; }
#conversationStudioDialog .conversation-list-item {
  grid-template-columns: 38px minmax(0, 1fr);
  min-height: 62px;
  gap: 9px;
  padding: 7px 8px;
  border-radius: 12px;
  box-shadow: none;
}
#conversationStudioDialog .conversation-list-item.active { border-color: #d7e9fb; background: #eaf4ff; box-shadow: none; }
#conversationStudioDialog .conversation-list-item:hover { background: #f5f5f7; }
#conversationStudioDialog .conversation-list-cover { width: 38px; height: 38px; border-radius: 9px; }
#conversationStudioDialog .conversation-list-item strong { font-size: 13px; }
#conversationStudioDialog .conversation-list-item small,
#conversationStudioDialog .conversation-list-item em { font-size: 12px; }
#conversationStudioDialog .conversation-list-empty { padding: 16px 8px; text-align: left; font-size: 13px; }

#conversationStudioDialog .conversation-main {
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  background: #fafafa;
}
#conversationStudioDialog .conversation-main:has(.conversation-memory-panel[hidden]) {
  grid-template-rows: auto minmax(0, 1fr) auto;
}
#conversationStudioDialog .conversation-context-bar {
  min-height: 44px;
  margin: 0;
  padding: 0 22px;
  border: 0;
  border-bottom: 1px solid #e5e5e7;
  border-radius: 0;
  background: #fff;
  box-shadow: none;
  font-size: 13px;
}
#conversationStudioDialog .conversation-live-dot { width: 6px; height: 6px; box-shadow: none; }
#conversationStudioDialog #conversationSettingsSummary {
  max-width: 50%;
  overflow: hidden;
  color: #6e6e73;
  font-size: 12px;
  font-weight: 500;
  text-overflow: ellipsis;
  white-space: nowrap;
}
#conversationStudioDialog .conversation-memory-panel { margin: 0; border-radius: 0; }
#conversationStudioDialog .conversation-thread {
  gap: 24px;
  padding: 24px clamp(16px, 4vw, 48px);
  scroll-behavior: auto;
}
#conversationStudioDialog .conversation-empty-state {
  display: grid;
  justify-items: center;
  align-self: start;
  gap: 10px;
  width: min(640px, 100%);
  max-width: none;
  margin: clamp(48px, 12vh, 112px) auto 0;
  padding: 0 14px;
}
#conversationStudioDialog .conversation-empty-state > span { display: none; }
#conversationStudioDialog .conversation-empty-state strong { color: #1d1d1f; font-size: clamp(22px, 2.2vw, 28px); font-weight: 650; }
#conversationStudioDialog .conversation-empty-state p { max-width: 520px; color: #6e6e73; font-size: 14px; }
.conversation-starters {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  width: 100%;
  margin-top: 18px;
}
.conversation-starters button {
  display: flex;
  min-height: 58px;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid #e5e5e7;
  border-radius: 14px;
  background: #fff;
  color: #1d1d1f;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}
.conversation-starters button:hover { border-color: #99caff; background: #f4f9ff; }
.conversation-starters button span { color: #0071e3; }

#conversationStudioDialog .conversation-turn { width: min(820px, 100%); gap: 10px; }
#conversationStudioDialog .conversation-user-message {
  max-width: min(630px, 88%);
  padding: 11px 14px;
  border-radius: 18px 18px 5px 18px;
  background: #eaf4ff;
  color: #1d1d1f;
  box-shadow: none;
}
#conversationStudioDialog .conversation-user-message > span { color: #515154; font-size: 12px; }
#conversationStudioDialog .conversation-user-message p,
#conversationStudioDialog .conversation-assistant-message > p { font-size: 14px; line-height: 1.65; }
#conversationStudioDialog .conversation-assistant-message {
  width: min(760px, 94%);
  max-width: none;
  gap: 12px;
  padding: 16px;
  border-radius: 18px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, .04);
}
#conversationStudioDialog .conversation-assistant-message header > span:first-child { width: 24px; height: 24px; border-radius: 8px; }
#conversationStudioDialog .conversation-turn-status { font-size: 12px; }
#conversationStudioDialog .conversation-clarification,
#conversationStudioDialog .conversation-prompt-confirmation { border-radius: 14px; box-shadow: none; }
#conversationStudioDialog .conversation-context-ledger { border-color: #e5e5e7; background: #f5f5f7; }
#conversationStudioDialog .conversation-assistant-message details.conversation-turn-details {
  margin-top: 2px;
  padding-top: 9px;
  border-top: 1px solid #e5e5e7;
}
#conversationStudioDialog .conversation-turn-details > summary { color: #515154; font-size: 12px; font-weight: 600; }
#conversationStudioDialog .conversation-turn-details > :not(summary) { margin-top: 10px; }
.conversation-saved-prompt strong { font-size: 12px; color: #515154; }
#conversationStudioDialog .conversation-saved-prompt p {
  max-height: 240px;
  overflow: auto;
  margin: 5px 0 0;
  padding: 10px;
  border-radius: 10px;
  background: #f5f5f7;
  color: #1d1d1f;
  font-size: 13px;
  line-height: 1.6;
  white-space: pre-wrap;
}
#conversationStudioDialog .conversation-turn-details footer { color: #6e6e73; font-size: 12px; }
#conversationStudioDialog .conversation-prompt-confirmation { padding: 12px; background: #f4f9ff; border-color: #cde5ff; }
.conversation-prompt-heading { display: flex; align-items: start; justify-content: space-between; gap: 10px; }
#conversationStudioDialog .conversation-prompt-confirmation label { min-width: 0; }
#conversationStudioDialog .conversation-prompt-confirmation label span { font-size: 12px; }
#conversationStudioDialog .conversation-expand-prompt {
  min-height: 30px;
  flex: 0 0 auto;
  padding: 0 8px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: #0066cc;
  font-size: 12px;
  box-shadow: none;
}
#conversationStudioDialog .conversation-prompt-confirmation textarea { min-height: 100px; max-height: 144px; }
#conversationStudioDialog .conversation-prompt-confirmation > button[data-confirm-conversation-turn] { min-height: 40px; border-radius: 999px; }
#conversationStudioDialog .conversation-output-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }
#conversationStudioDialog .conversation-output-grid img { aspect-ratio: 1; height: auto; object-fit: contain; background: #f5f5f7; }

#conversationStudioDialog .conversation-composer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas: "message message" "next next" "preview preview" "tools send" "status status";
  gap: 7px 10px;
  width: min(820px, calc(100% - 32px));
  max-height: min(42dvh, 360px);
  margin: 0 auto 16px;
  padding: 10px 14px 11px;
  overflow-y: auto;
  border: 1px solid #d2d2d7;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 4px 18px rgba(0, 0, 0, .06);
}
#conversationStudioDialog .conversation-composer:focus-within { border-color: #79b9fa; box-shadow: 0 0 0 3px rgba(0, 113, 227, .10); }
#conversationStudioDialog .conversation-message-label { grid-area: message; }
#conversationStudioDialog .conversation-message-label > span {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
#conversationStudioDialog .conversation-message-label textarea {
  min-height: 76px;
  max-height: 180px;
  height: 76px;
  padding: 12px 96px 8px 2px;
  resize: none;
  border: 0;
  border-radius: 0;
  background: #fff;
  box-shadow: none;
  font-size: 14px;
  line-height: 1.55;
  outline: none;
}
#conversationStudioDialog .conversation-message-label textarea:focus { border: 0; outline: none; box-shadow: none; }
#conversationStudioDialog .full-text-editor-button {
  position: absolute;
  top: 10px;
  right: 12px;
  min-height: 30px;
  padding: 2px 8px;
  border: 0;
  border-radius: 8px;
  background: #f5f5f7;
  color: #515154;
  font-size: 12px;
}
#conversationStudioDialog #conversationNextReferences { grid-area: next; }
#conversationStudioDialog #conversationReferencePreview { grid-area: preview; }
#conversationStudioDialog #conversationNextReferences[hidden],
#conversationStudioDialog #conversationReferencePreview[hidden] { display: none; }
#conversationStudioDialog .conversation-reference-row { grid-area: tools; min-height: 40px; padding: 0; }
#conversationStudioDialog .conversation-reference-row > div { display: none; }
#conversationStudioDialog .conversation-reference-row > label {
  min-width: 0;
  min-height: 38px;
  padding: 0 10px;
  border: 1px solid #e5e5e7;
  border-radius: 999px;
  background: #fff;
  color: #515154;
  box-shadow: none;
  font-size: 13px;
}
#conversationStudioDialog .conversation-reference-row > label:hover { background: #f5f5f7; box-shadow: none; }
#conversationStudioDialog .conversation-composer-footer { display: contents; }
#conversationStudioDialog .conversation-composer-footer p { grid-area: status; max-width: none; color: #6e6e73; font-size: 11px; }
#conversationStudioDialog .conversation-composer-footer button {
  grid-area: send;
  min-width: 0;
  min-height: 40px;
  padding: 0 15px;
  border-radius: 999px;
  box-shadow: none;
  white-space: nowrap;
}
#conversationStudioDialog .conversation-composer-footer button:disabled { opacity: .45; }

@media (max-width: 720px) {
  #conversationStudioBackdrop { padding: 0; }
  #conversationStudioDialog { width: 100vw; height: 100dvh; border: 0; border-radius: 0; }
  #conversationStudioDialog .conversation-studio-header {
    grid-template-columns: minmax(0, 1fr) auto;
    min-height: calc(60px + env(safe-area-inset-top));
    padding: calc(8px + env(safe-area-inset-top)) 12px 8px;
  }
  #conversationStudioDialog .conversation-studio-mark { display: none; }
  #conversationStudioDialog .conversation-studio-header h2 { font-size: 17px; }
  #conversationStudioDialog .conversation-studio-header p { display: none; }
  .conversation-header-actions { gap: 5px; }
  .conversation-history-button { display: inline-flex !important; }
  .conversation-header-actions button { min-height: 36px; padding: 0 9px; font-size: 12px; }
  .conversation-header-actions .conversation-studio-close { width: 36px; min-height: 36px; }
  #conversationStudioDialog .conversation-studio-body { position: relative; display: block; min-height: 0; }
  #conversationStudioDialog .conversation-main { height: 100%; }
  #conversationStudioDialog .conversation-sidebar {
    position: absolute;
    z-index: 8;
    top: 0;
    bottom: 0;
    left: 0;
    width: min(320px, 86vw);
    padding: 16px 10px;
    visibility: hidden;
    transform: translateX(-105%);
    transition: transform 200ms ease, visibility 200ms ease;
  }
  #conversationStudioDialog.history-open .conversation-sidebar { visibility: visible; transform: translateX(0); }
  #conversationStudioDialog .conversation-sidebar-close {
    display: grid !important;
    width: 34px;
    min-width: 34px;
    height: 34px;
    min-height: 34px;
    place-items: center;
    padding: 0;
    border: 1px solid #e5e5e7;
    border-radius: 50%;
    background: #fff;
    color: #1d1d1f;
    font-size: 20px;
  }
  #conversationStudioDialog.history-open .conversation-sidebar-scrim {
    position: absolute;
    z-index: 7;
    inset: 0;
    display: block;
    width: 100%;
    border: 0;
    background: rgba(29, 29, 31, .35);
  }
  #conversationStudioDialog .conversation-context-bar { min-height: 43px; padding: 0 12px; }
  #conversationStudioDialog #conversationSettingsSummary { max-width: 42%; }
  #conversationStudioDialog .conversation-thread { gap: 18px; padding: 16px 12px; }
  #conversationStudioDialog .conversation-empty-state { margin: clamp(30px, 7vh, 68px) auto 0; padding: 0 10px; }
  #conversationStudioDialog .conversation-empty-state strong { font-size: 22px; }
  #conversationStudioDialog .conversation-empty-state p { font-size: 13px; }
  .conversation-starters { grid-template-columns: 1fr; gap: 8px; margin-top: 10px; }
  .conversation-starters button { min-height: 44px; padding: 9px 12px; }
  #conversationStudioDialog .conversation-user-message { max-width: 91%; }
  #conversationStudioDialog .conversation-assistant-message { width: 96%; max-width: 96%; padding: 13px; }
  #conversationStudioDialog .conversation-composer {
    width: calc(100% - 16px);
    max-height: min(40dvh, 300px);
    margin: 0 8px max(8px, env(safe-area-inset-bottom));
    padding: 9px 11px 10px;
    border-radius: 18px;
  }
  #conversationStudioDialog .conversation-message-label textarea { min-height: 68px; padding-right: 88px; }
  #conversationStudioDialog .conversation-composer-footer button { padding: 0 11px; font-size: 12px; }
  #conversationStudioDialog .conversation-composer-footer p { font-size: 10px; line-height: 1.25; }
  #conversationStudioDialog .conversation-prompt-heading { flex-wrap: wrap; }
}

@media (max-width: 360px) {
  .conversation-header-actions .conversation-new-button span { display: none; }
  .conversation-header-actions .conversation-new-button { width: 36px; padding: 0; }
  #conversationStudioDialog .conversation-composer-footer button span { font-size: 0; }
  #conversationStudioDialog .conversation-composer-footer button span::after { content: "发送"; font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  #conversationStudioDialog .conversation-sidebar { transition: none; }
}