/* Read-only version preview, restore confirmation, and recovery status. */
.ide-container.version-history-preview-open :is(.chat-sidebar, .chat-resize-handle) {
  display: none;
}
.ide-container .editor-preview-mode {
  display: flex;
  min-height: 0;
  flex: 1 1 auto;
  flex-direction: column;
  overflow: hidden;
}
.ide-container .version-preview-mobile-header {
  display: none;
}
.ide-container .version-preview-editor-header .document-title-input:disabled {
  background: transparent;
  color: var(--workspace-ink-950);
  opacity: 1;
}
.ide-container .version-preview-bar {
  display: flex;
  min-height: 77px;
  flex: 0 0 auto;
  align-items: center;
  gap: 13px;
  border-bottom: 1px solid var(--workspace-blue-200);
  padding: 11px 20px;
  background: linear-gradient(100deg, var(--workspace-blue-50), #fff);
}
.ide-container .version-preview-mark {
  display: grid;
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  place-items: center;
  border-radius: 10px;
  background: var(--workspace-blue-100);
  color: var(--workspace-blue-700);
}
.ide-container .version-preview-summary {
  min-width: 0;
  flex: 1 1 auto;
}
.ide-container .version-preview-kicker {
  color: var(--workspace-blue-700);
  font-size: 9px;
  font-weight: 780;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.ide-container .version-preview-summary h2 {
  margin: 2px 0 1px;
  color: var(--workspace-ink-950);
  font-size: 14px;
  line-height: 1.25;
}
.ide-container .version-preview-summary p {
  overflow: hidden;
  margin: 0;
  color: var(--workspace-ink-600);
  font-size: 10px;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ide-container .version-preview-unchanged {
  color: var(--workspace-green-700);
  font-size: 10px;
  font-weight: 650;
  white-space: nowrap;
}
.ide-container .version-preview-actions {
  display: flex;
  flex: 0 0 auto;
  gap: 8px;
}
.ide-container .version-preview-manuscript {
  width: 100%;
  min-height: 0;
  max-width: none;
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 34px clamp(34px, 7vw, 88px) 80px;
}
.ide-container .version-preview-document {
  max-width: 760px;
  margin: 0 auto;
}
.ide-container .version-preview-document > h1 {
  color: var(--workspace-ink-950);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 21px;
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: -0.018em;
}
.ide-container .version-preview-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 21px;
  color: var(--workspace-ink-500);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 10px;
  line-height: 1.4;
}
.ide-container .version-preview-meta span {
  border: 1px solid var(--workspace-ink-150);
  border-radius: 999px;
  padding: 3px 7px;
  background: var(--workspace-ink-50);
}
.ide-container .version-restore-layer {
  position: fixed;
  z-index: 1000;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(23, 32, 42, 0.48);
  backdrop-filter: blur(2px);
}
.ide-container .version-restore-dialog {
  width: min(100%, 440px);
  overflow: hidden;
  border: 1px solid var(--workspace-ink-200);
  border-radius: var(--workspace-radius-lg);
  background: var(--workspace-paper);
  box-shadow: var(--workspace-shadow-lg);
}
.ide-container .version-restore-header {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 21px 22px 15px;
}
.ide-container .version-restore-icon {
  display: grid;
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  place-items: center;
  border-radius: 11px;
  background: var(--workspace-blue-50);
  color: var(--workspace-blue-700);
}
.ide-container .version-restore-header h2 {
  margin: 0 0 3px;
  color: var(--workspace-ink-950);
  font-size: 18px;
  letter-spacing: -0.02em;
}
.ide-container .version-restore-header p {
  margin: 0;
  color: var(--workspace-ink-600);
  font-size: 11.5px;
}
.ide-container .version-restore-body {
  padding: 0 22px 20px;
}
.ide-container .version-restore-snapshot {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 10px;
  border: 1px solid var(--workspace-ink-150);
  border-radius: 11px;
  padding: 11px;
  background: var(--workspace-ink-50);
}
.ide-container .version-restore-snapshot strong,
.ide-container .version-restore-snapshot small {
  display: block;
}
.ide-container .version-restore-snapshot strong {
  color: var(--workspace-ink-900);
  font-size: 11.5px;
}
.ide-container .version-restore-snapshot small {
  margin-top: 2px;
  overflow: hidden;
  color: var(--workspace-ink-600);
  font-size: 10px;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ide-container .version-restore-safety {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  border: 1px solid #c8e6d3;
  border-radius: 10px;
  padding: 10px 11px;
  background: var(--workspace-green-100);
  color: var(--workspace-green-700);
  font-size: 10.5px;
}
.ide-container .version-restore-error {
  margin: 12px 0 0;
  border-radius: 9px;
  padding: 9px 10px;
  background: #fef2f2;
  color: #b4232f;
  font-size: 10.5px;
}
.ide-container .version-restore-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  border-top: 1px solid var(--workspace-ink-150);
  padding: 14px 22px;
}
.ide-container .version-restore-actions form {
  margin: 0;
}
.ide-container .version-restore-actions button:disabled {
  opacity: 0.56;
  cursor: wait;
}
.ide-container .version-restore-status {
  position: fixed;
  z-index: 390;
  top: 76px;
  left: 50%;
  display: flex;
  width: min(calc(100% - 32px), 600px);
  align-items: center;
  gap: 11px;
  transform: translateX(-50%);
  border: 1px solid #c8e6d3;
  border-radius: 12px;
  padding: 11px 12px;
  background: #f8fffa;
  box-shadow: var(--workspace-shadow-md);
  color: var(--workspace-green-700);
}
.ide-container .version-restore-status-mark {
  display: grid;
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  place-items: center;
  border-radius: 9px;
  background: var(--workspace-green-100);
}
.ide-container .version-restore-status-copy {
  min-width: 0;
  flex: 1 1 auto;
}
.ide-container .version-restore-status-copy strong,
.ide-container .version-restore-status-copy small {
  display: block;
}
.ide-container .version-restore-status-copy strong {
  color: #185d36;
  font-size: 11.5px;
}
.ide-container .version-restore-status-copy small {
  margin-top: 1px;
  color: var(--workspace-green-700);
  font-size: 9.8px;
}
.ide-container .version-restore-status-action {
  min-height: 34px;
  border: 1px solid #bddfca;
  border-radius: 8px;
  padding: 8px 9px;
  background: #fff;
  color: var(--workspace-green-700);
  font-size: 10px;
  font-weight: 680;
  text-decoration: none;
  white-space: nowrap;
}
.ide-container .version-restore-status-close {
  width: 32px;
  min-width: 32px;
  min-height: 32px;
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--workspace-green-700);
  cursor: pointer;
  font-size: 17px;
}
@media (max-width: 768px) {
  .ide-container.version-history-preview-open > .mobile-header {
    display: none;
  }
  .ide-container.version-history-preview-open .ide-editor {
    height: 100dvh;
    padding-top: 0;
  }
  .ide-container .version-preview-editor-header {
    display: none;
  }
  .ide-container .version-preview-mobile-header {
    display: grid;
    height: 56px;
    flex: 0 0 56px;
    grid-template-columns: 44px minmax(0, 1fr) 44px;
    align-items: center;
    border-bottom: 1px solid var(--workspace-ink-150);
    padding: 0 7px;
    background: rgba(255, 254, 253, 0.98);
  }
  .ide-container .version-preview-mobile-header :is(button, a) {
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    border: 0;
    border-radius: 9px;
    padding: 0;
    background: transparent;
    color: var(--workspace-ink-700);
    cursor: pointer;
    font-size: 17px;
    text-decoration: none;
  }
  .ide-container .version-preview-mobile-header h1 {
    overflow: hidden;
    margin: 0;
    color: var(--workspace-ink-950);
    font-size: 14px;
    text-align: center;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .ide-container .version-preview-bar {
    min-height: 172px;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 9px;
    padding: 13px 14px 12px;
  }
  .ide-container .version-preview-mark {
    width: 36px;
    height: 36px;
    flex-basis: 36px;
  }
  .ide-container .version-preview-summary {
    width: calc(100% - 50px);
    flex: none;
  }
  .ide-container .version-preview-summary p {
    white-space: normal;
  }
  .ide-container .version-preview-unchanged {
    width: 100%;
    order: 3;
  }
  .ide-container .version-preview-actions {
    width: 100%;
    order: 4;
  }
  .ide-container .version-preview-actions button {
    min-width: 0;
    flex: 1 1 0;
  }
  .ide-container .version-preview-manuscript {
    padding: 22px 20px 60px;
    font-size: 16px;
  }
  .ide-container .version-preview-meta {
    flex-wrap: wrap;
    margin-bottom: 17px;
  }
  .ide-container .version-restore-layer {
    align-items: end;
  }
  .ide-container .version-restore-dialog {
    width: calc(100% + 40px);
    margin: 0 -20px -20px;
    border-width: 1px 0 0;
    border-radius: 20px 20px 0 0;
  }
  .ide-container .version-restore-header {
    padding: 20px 18px 14px;
  }
  .ide-container .version-restore-header h2 {
    font-size: 17px;
  }
  .ide-container .version-restore-body {
    padding: 0 18px 17px;
  }
  .ide-container .version-restore-actions {
    padding: 13px 18px calc(13px + env(safe-area-inset-bottom));
  }
  .ide-container .version-restore-actions form,
  .ide-container .version-restore-actions button {
    min-width: 0;
    flex: 1 1 0;
  }
  .ide-container .version-restore-actions form button {
    width: 100%;
  }
  .ide-container .version-restore-status {
    top: 66px;
    align-items: flex-start;
  }
  .ide-container .version-preview-document > h1 {
    font-size: 19px;
  }
}
@media (max-width: 420px) {
  .ide-container .version-restore-actions {
    flex-direction: column-reverse;
  }
  .ide-container .version-restore-actions form,
  .ide-container .version-restore-actions button {
    width: 100%;
  }
  .ide-container .version-restore-status {
    padding-right: 8px;
  }
  .ide-container .version-restore-status-action {
    align-self: center;
  }
}
@media (prefers-reduced-motion: reduce) {
  .ide-container .editor-preview-mode * {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }
}