.review-overlay {
  display: flex;
  align-items: center;
  justify-content: center;
}

.review-preview-modal {
  width: min(980px, calc(100vw - 40px));
  max-height: min(92vh, calc(100vh - 32px));
  margin: auto;
  flex: none;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  overflow: hidden;
  border-radius: 24px;
  background:
    radial-gradient(circle at top right, rgba(var(--theme-primary-rgb, 58, 124, 165), 0.08), transparent 28%),
    linear-gradient(180deg, #fbfdff 0%, #f6f9fc 100%);
  box-shadow:
    0 24px 80px rgba(15, 23, 42, 0.22),
    0 2px 12px rgba(15, 23, 42, 0.08);
  border: 1px solid #e7eef6;
}

.review-preview-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 24px 18px;
  border-bottom: 1px solid #eef2f7;
}

.review-preview-head h3 {
  margin-top: 12px;
  color: #0f172a;
  font-size: 22px;
  font-weight: 900;
  line-height: 1.35;
}

.review-preview-body {
  min-height: 0;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(248, 250, 252, 0.88);
}

.review-preview-body.image img {
  max-width: 100%;
  max-height: calc(92vh - 170px);
  display: block;
  border-radius: 20px;
  object-fit: contain;
  box-shadow: 0 16px 34px rgba(148, 163, 184, 0.26);
}

.review-preview-body.pdf iframe {
  width: 100%;
  height: min(78vh, 820px);
  border: 0;
  border-radius: 18px;
  background: #fff;
}

.welcome-quick-actions {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed rgba(203, 213, 225, 0.82);
}

.welcome-quick-actions-title {
  margin: 0 0 16px !important;
  color: #64748b;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.welcome-quick-action-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

.welcome-quick-action-btn {
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 14px;
  border: 1px solid #cbd5e1;
  border-radius: 12px;
  background: #ffffff;
  color: #334155;
  font-size: var(--wb-fs-chip);
  font-weight: 600;
  line-height: 1.2;
  transition: all 0.2s ease;
}

.welcome-quick-action-btn i {
  font-size: 14px;
  color: #64748b;
  transition: color 0.2s ease;
}

.welcome-quick-action-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: var(--theme-primary);
  background: var(--theme-primary-soft);
  color: var(--theme-primary-active);
  box-shadow: 0 4px 12px rgba(var(--theme-primary-rgb, 58, 124, 165), 0.1);
}

.welcome-quick-action-btn:hover:not(:disabled) i {
  color: var(--theme-primary-active);
}

.welcome-quick-action-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.welcome-grid {
  display: grid;
  gap: 12px;
}

.welcome-card {
  padding: 14px;
  border-radius: 18px;
  background: #f8fafc;
}

.welcome-card i {
  color: var(--theme-primary);
  font-size: var(--wb-fs-welcome);
}

.welcome-card strong {
  display: block;
  margin-top: 10px;
}

.assistant-modal-enter-active,
.assistant-modal-leave-active {
  transition: opacity 220ms ease;
}

.assistant-modal-enter-active .assistant-modal,
.assistant-modal-leave-active .assistant-modal {
  transition: transform 260ms ease, opacity 220ms ease;
}

.assistant-modal-enter-from,
.assistant-modal-leave-to {
  opacity: 0;
}

.assistant-modal-enter-from .assistant-modal,
.assistant-modal-leave-to .assistant-modal {
  transform: translateY(10px) scale(0.985);
  opacity: 0;
}

.insight-switch-enter-active,
.insight-switch-leave-active {
  transition: opacity 180ms ease, transform 180ms ease;
}

.insight-switch-enter-from,
.insight-switch-leave-to {
  opacity: 0;
  transform: translateY(8px);
}

/* 笔记本和中等屏：工作台正文字号整体下调一档 */
@media (max-width: 1680px) {
  .assistant-modal-stage {
    --wb-fs-title: 19px;
    --wb-fs-desc: 12px;
    --wb-fs-badge: 11px;
    --wb-fs-bubble: 12px;
    --wb-fs-bubble-meta: 11px;
    --wb-fs-bubble-time: 11px;
    --wb-fs-chip: 11px;
    --wb-fs-composer: 13px;
    --wb-fs-tool-icon: 16px;
    --wb-fs-md-h1: 12px;
    --wb-fs-md-h2: 12px;
    --wb-fs-md-h3: 12px;
    --wb-fs-insight-title: 17px;
    --wb-fs-insight-num: 17px;
    --wb-fs-insight-body: 11px;
    --wb-fs-insight-h4: 14px;
    --wb-fs-metric: 12px;
    --wb-fs-metric-strong: 12px;
    --wb-fs-welcome: 16px;
  }

  .assistant-modal-stage .message-answer-markdown :deep(table) {
    font-size: 12px;
  }

  .assistant-modal-stage .intent-pill {
    font-size: var(--wb-fs-chip);
  }
}

@media (max-width: 1440px) {
  .assistant-modal-stage {
    --wb-fs-title: 18px;
    --wb-fs-bubble: 12px;
    --wb-fs-bubble-meta: 11px;
    --wb-fs-composer: 12px;
    --wb-fs-insight-title: 16px;
    --wb-fs-insight-num: 16px;
    --wb-fs-md-h1: 12px;
    --wb-fs-md-h2: 12px;
    --wb-fs-md-h3: 12px;
    --wb-fs-insight-h4: 13px;
    --wb-fs-welcome: 16px;
  }
}

/* 大屏：左右分栏，右侧详情区宽度随视口收缩 */
@media (min-width: 1441px) and (max-width: 1680px) {
  .insight-panel-shell {
    width: clamp(280px, 26vw, 360px);
  }
}

/* 笔记本常见宽度：改为上下布局，对话区占满宽度，避免侧栏挤占 */
@media (max-width: 1440px) {
  .assistant-layout {
    flex-direction: column;
  }

  .dialog-panel {
    flex: 1 1 auto;
    min-height: 0;
  }

  .insight-panel-shell {
    width: 100%;
    flex: 0 0 auto;
    max-height: min(38dvh, 400px);
    transition:
      max-height 320ms cubic-bezier(0.22, 1, 0.36, 1),
      opacity 240ms cubic-bezier(0.22, 1, 0.36, 1),
      transform 280ms cubic-bezier(0.22, 1, 0.36, 1);
  }

  .insight-panel-shell.collapsed {
    max-height: 0;
  }

  .insight-panel {
    width: 100%;
    min-height: min(280px, 32dvh);
  }

  .insight-panel-shell.collapsed .insight-panel {
    transform: translateY(-12px);
  }

  .review-side-grid.compact {
    grid-template-columns: 1fr;
  }
}

/* 矮屏笔记本：压缩顶部栏与间距，把高度留给对话列表 */
@media (max-height: 820px) {
  .assistant-modal-stage {
    --wb-fs-title: 17px;
    --wb-fs-bubble: 12px;
    --wb-fs-composer: 12px;
    --wb-fs-insight-title: 15px;
    --wb-fs-insight-num: 15px;
  }

  .assistant-header {
    padding-top: 12px;
    padding-bottom: 10px;
  }

  .assistant-header-actions {
    top: 12px;
    right: 12px;
  }

  .assistant-layout {
    padding: 10px;
    gap: 10px;
  }

  .dialog-toolbar {
    padding: 12px 14px 10px;
  }

  .message-list {
    padding: 12px;
    gap: 10px;
  }

  .composer-shell-body {
    padding: 4px 10px;
  }
}

@media (max-width: 1280px) {
  .insight-panel-shell:not(.collapsed) {
    max-height: min(34dvh, 360px);
  }

}

@media (max-width: 760px) {
  .assistant-overlay {
    --assistant-viewport-inset: 10px;
  }

  .assistant-modal,
  .assistant-modal-stage {
    border-radius: 18px;
  }

  .assistant-header {
    padding: 18px 18px 16px;
    align-items: flex-start;
    flex-direction: column;
  }

  .assistant-header-actions {
    top: 18px;
    right: 18px;
    gap: 10px;
    width: auto;
    justify-content: space-between;
  }

  .assistant-toggle-btn,
  .session-trash-btn,
  .assistant-close-btn,
  .close-btn {
    width: 40px;
    height: 40px;
    border-radius: 14px;
    font-size: 16px;
  }

  .flow-step-card header {
    align-items: flex-start;
  }

  .assistant-layout {
    padding: 14px;
  }

  .composer-row {
    gap: 8px;
    --composer-control-size: 40px;
  }

  .composer-shell textarea {
    min-height: 32px;
  }

  .travel-calculator-form {
    grid-template-columns: 1fr;
  }

  .dialog-toolbar {
    padding: 16px 16px 12px;
  }

  .shortcut-chip {
    width: 100%;
    justify-content: center;
  }

  .message-list {
    padding: 16px;
  }

  .composer {
    padding: 0 16px 16px;
  }

  .composer-files-head,
  .review-insight-title-row,
  .review-document-stage-head,
  .review-document-switch-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .composer-files-actions,
  .review-document-nav {
    width: 100%;
    justify-content: space-between;
  }

  .metric-grid {
    grid-template-columns: 1fr;
  }

  .review-side-grid,
  .review-side-category-grid,
  .review-document-edit-grid {
    grid-template-columns: 1fr;
  }

  .review-pending-item {
    grid-template-columns: 42px minmax(0, 1fr);
  }

  .review-pending-status {
    grid-column: 2;
    justify-self: start;
  }

  .review-footer-btn-row {
    flex-direction: column;
  }

  .review-footer-btn {
    width: 100%;
  }

  .review-slot-grid,
  .review-doc-field-grid,
  .review-mini-grid {
    grid-template-columns: 1fr;
  }

  .review-document-plain,
  .review-document-bubble {
    grid-template-columns: 1fr;
  }

  .review-preview-modal {
    width: calc(100vw - 24px);
  }

  .review-confirm-actions {
    padding: 0 18px 18px;
    justify-content: stretch;
  }

  .primary-dialog-btn,
  .secondary-dialog-btn,
  .danger-dialog-btn {
    width: 100%;
  }
}