.knowledge-site.knowledge-writing-mode {
  --knowledge-writer-bar-height: 104px;
  background: var(--knowledge-surface-solid);
}

.knowledge-writing-mode .knowledge-header,
.knowledge-writing-mode .knowledge-footer {
  display: none;
}

.knowledge-writing-mode .knowledge-main {
  width: 100%;
  min-height: 100vh;
}

.knowledge-writing-mode .knowledge-route-view {
  min-height: 100vh;
  padding: 0;
}

.knowledge-writer-page {
  min-height: 100vh;
  padding-bottom: 58px;
  color: var(--knowledge-text);
  background: var(--knowledge-surface-solid);
}

.knowledge-writer-topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: color-mix(in srgb, var(--knowledge-surface-solid) 96%, transparent);
  border-bottom: 1px solid var(--knowledge-border);
  backdrop-filter: blur(10px);
}

.knowledge-writer-primary-bar {
  min-height: 48px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.knowledge-writer-mode {
  font-size: 14px;
}

.knowledge-writer-top-status {
  color: var(--knowledge-muted);
  font-size: 12px;
}

.knowledge-writer-top-status.is-error,
.knowledge-writer-save-status.is-error {
  color: var(--knowledge-danger);
}

.knowledge-writer-author {
  margin-left: auto;
  color: var(--knowledge-muted);
  font-size: 12px;
}

.knowledge-writer-toolbar {
  min-height: 54px;
  padding: 7px 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-top: 1px solid var(--knowledge-border);
}

.knowledge-writer-toolbar-scroll {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 3px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.knowledge-writer-tool {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  display: grid;
  place-items: center;
  color: var(--knowledge-muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 4px;
  font: 600 12px/1 "Segoe UI", sans-serif;
}

.knowledge-writer-tool:hover,
.knowledge-writer-tool:focus-visible {
  color: var(--knowledge-text);
  background: var(--knowledge-primary-soft);
  border-color: var(--knowledge-border);
  outline: none;
}

.knowledge-writer-tool.is-active {
  color: var(--knowledge-primary);
  background: var(--knowledge-primary-soft);
}

.knowledge-writer-tool:disabled {
  opacity: .35;
}

.knowledge-writer-language {
  width: 92px;
  height: 32px;
  color: var(--knowledge-muted);
  background: var(--knowledge-surface-solid);
  border: 1px solid var(--knowledge-border);
  border-radius: 4px;
}

.knowledge-writer-workspace {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 820px) 300px;
  align-items: start;
  gap: 34px;
}

.knowledge-writer-canvas {
  min-width: 0;
}

.knowledge-writer-paper {
  position: relative;
  min-height: calc(100vh - 162px);
  padding: 58px 54px 160px;
  background: var(--knowledge-surface-solid);
}

.knowledge-writer-recovery {
  margin-bottom: 28px;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--knowledge-primary-soft);
  border-left: 3px solid var(--knowledge-primary);
}

.knowledge-writer-recovery div {
  display: flex;
  gap: 8px;
}

.knowledge-writer-recovery > div:first-child {
  display: grid;
}

.knowledge-writer-recovery small {
  color: var(--knowledge-muted);
}

.knowledge-writer-recovery button {
  padding: 6px 10px;
  color: var(--knowledge-primary);
  background: transparent;
}

.knowledge-writer-title-wrap {
  position: relative;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--knowledge-border);
}

.knowledge-writer-title {
  width: 100%;
  padding: 0;
  color: var(--knowledge-text);
  background: transparent;
  border: 0;
  outline: 0;
  font: 700 clamp(28px, 4vw, 42px)/1.25 "Segoe UI", "Microsoft YaHei", sans-serif;
  letter-spacing: 0;
}

.knowledge-writer-title::placeholder {
  color: color-mix(in srgb, var(--knowledge-muted) 55%, transparent);
}

.knowledge-writer-title-count {
  position: absolute;
  right: 0;
  bottom: 5px;
  color: var(--knowledge-muted);
  font-size: 11px;
}

.knowledge-writer-title-error {
  position: absolute;
  left: 0;
  bottom: 3px;
  color: var(--knowledge-danger);
  font-size: 12px;
}

.knowledge-writer-editor-host {
  margin-top: 28px;
}

.knowledge-tiptap-editor {
  min-height: 520px;
  color: var(--knowledge-text);
  outline: none;
  white-space: pre-wrap;
  font: 17px/1.82 "Segoe UI", "Microsoft YaHei", sans-serif;
  caret-color: var(--knowledge-primary);
}

.knowledge-tiptap-editor > *:first-child {
  margin-top: 0;
}

.knowledge-tiptap-editor p {
  margin: 0 0 1.05em;
}

.knowledge-tiptap-editor h1,
.knowledge-tiptap-editor h2,
.knowledge-tiptap-editor h3 {
  margin: 1.7em 0 .7em;
  line-height: 1.35;
  scroll-margin-top: 125px;
}

.knowledge-tiptap-editor h1 {
  font-size: 30px;
}

.knowledge-tiptap-editor h2 {
  font-size: 25px;
}

.knowledge-tiptap-editor h3 {
  font-size: 21px;
}

.knowledge-tiptap-editor blockquote {
  margin: 1.2em 0;
  padding: 2px 0 2px 18px;
  color: var(--knowledge-muted);
  border-left: 3px solid var(--knowledge-primary);
}

.knowledge-tiptap-editor ul,
.knowledge-tiptap-editor ol {
  padding-left: 1.7em;
}

.knowledge-tiptap-editor ul[data-type="taskList"] {
  padding-left: 0;
  list-style: none;
}

.knowledge-tiptap-editor ul[data-type="taskList"] li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.knowledge-tiptap-editor ul[data-type="taskList"] li > div {
  flex: 1;
}

.knowledge-tiptap-editor code {
  padding: 2px 5px;
  color: #a13b5b;
  background: color-mix(in srgb, var(--knowledge-primary-soft) 70%, transparent);
  border-radius: 3px;
  font-family: Consolas, "Cascadia Code", monospace;
}

.knowledge-tiptap-editor pre {
  max-width: 100%;
  margin: 1.4em 0;
  padding: 18px;
  overflow-x: auto;
  color: #dce6f2;
  background: #18212d;
  border-radius: 5px;
  tab-size: 2;
}

.knowledge-tiptap-editor pre code {
  padding: 0;
  color: inherit;
  background: transparent;
  white-space: pre;
}

.knowledge-tiptap-editor .tableWrapper {
  margin: 1.4em 0;
  overflow-x: auto;
}

.knowledge-tiptap-editor table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
}

.knowledge-tiptap-editor th,
.knowledge-tiptap-editor td {
  min-width: 90px;
  padding: 8px 10px;
  border: 1px solid var(--knowledge-border);
  vertical-align: top;
}

.knowledge-tiptap-editor th {
  background: var(--knowledge-primary-soft);
}

.knowledge-tiptap-editor .selectedCell::after {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  background: color-mix(in srgb, var(--knowledge-primary) 20%, transparent);
}

.knowledge-tiptap-editor p.is-editor-empty:first-child::before {
  height: 0;
  float: left;
  color: color-mix(in srgb, var(--knowledge-muted) 55%, transparent);
  content: attr(data-placeholder);
  pointer-events: none;
}

.knowledge-writer-bubble {
  z-index: 50;
  padding: 4px;
  display: flex;
  gap: 2px;
  background: #202732;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 5px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .24);
}

.knowledge-writer-bubble .knowledge-writer-tool {
  color: #e7edf4;
}

.knowledge-writer-slash-menu[hidden],
.knowledge-writer-link-popover[hidden],
.knowledge-writer-notice[hidden],
.knowledge-writer-preview-overlay[hidden],
.knowledge-writer-recovery[hidden],
.knowledge-writer-settings[hidden],
.knowledge-writer-toc-panel[hidden],
.knowledge-writer-solution-fields[hidden] {
  display: none !important;
}

.knowledge-writer-slash-menu {
  position: absolute;
  z-index: 45;
  width: 280px;
  max-height: 340px;
  padding: 6px;
  overflow-y: auto;
  background: var(--knowledge-surface-solid);
  border: 1px solid var(--knowledge-border);
  border-radius: 6px;
  box-shadow: var(--knowledge-shadow);
}

.knowledge-writer-slash-menu button {
  width: 100%;
  padding: 9px 10px;
  display: grid;
  grid-template-columns: 1fr auto;
  color: var(--knowledge-text);
  background: transparent;
  border-radius: 4px;
  text-align: left;
}

.knowledge-writer-slash-menu button.is-active,
.knowledge-writer-slash-menu button:hover {
  background: var(--knowledge-primary-soft);
}

.knowledge-writer-slash-menu small {
  color: var(--knowledge-muted);
}

.knowledge-writer-link-popover {
  position: fixed;
  z-index: 60;
  top: 112px;
  left: 50%;
  width: min(420px, calc(100vw - 24px));
  padding: 14px;
  transform: translateX(-50%);
  background: var(--knowledge-surface-solid);
  border: 1px solid var(--knowledge-border);
  border-radius: 6px;
  box-shadow: var(--knowledge-shadow);
}

.knowledge-writer-link-popover > input {
  width: 100%;
  padding: 9px 10px;
  color: var(--knowledge-text);
  background: var(--knowledge-bg);
  border: 1px solid var(--knowledge-border);
}

.knowledge-writer-link-popover label {
  margin: 10px 0;
  display: block;
  color: var(--knowledge-muted);
  font-size: 12px;
}

.knowledge-writer-link-error {
  display: block;
  color: var(--knowledge-danger);
}

.knowledge-writer-link-popover div {
  margin-top: 10px;
  display: flex;
  justify-content: flex-end;
  gap: 6px;
}

.knowledge-writer-link-popover button {
  padding: 7px 10px;
  color: var(--knowledge-primary);
  background: var(--knowledge-primary-soft);
}

.knowledge-writer-notice {
  position: fixed;
  z-index: 70;
  right: 22px;
  bottom: 74px;
  max-width: min(420px, calc(100vw - 44px));
  margin: 0;
  padding: 11px 14px;
  color: var(--knowledge-text);
  background: var(--knowledge-surface-solid);
  border: 1px solid var(--knowledge-border);
  box-shadow: var(--knowledge-shadow);
}

.knowledge-writer-notice.is-error {
  color: var(--knowledge-danger);
}

.knowledge-writer-side {
  position: sticky;
  top: 120px;
  max-height: calc(100vh - 184px);
  margin-top: 24px;
  overflow-y: auto;
  background: var(--knowledge-bg);
  border: 1px solid var(--knowledge-border);
  border-radius: 7px;
}

.knowledge-writer-side-tabs {
  position: sticky;
  top: 0;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--knowledge-bg);
  border-bottom: 1px solid var(--knowledge-border);
}

.knowledge-writer-side-tabs button {
  min-height: 42px;
  color: var(--knowledge-muted);
  background: transparent;
  border-bottom: 2px solid transparent;
}

.knowledge-writer-side-tabs button.is-active {
  color: var(--knowledge-primary);
  border-bottom-color: var(--knowledge-primary);
}

.knowledge-writer-settings,
.knowledge-writer-toc-panel {
  padding: 15px;
}

.knowledge-writer-field {
  margin-bottom: 13px;
  display: grid;
  gap: 5px;
  color: var(--knowledge-muted);
  font-size: 12px;
}

.knowledge-writer-field input,
.knowledge-writer-field textarea,
.knowledge-writer-field select {
  width: 100%;
  min-width: 0;
  padding: 8px 9px;
  color: var(--knowledge-text);
  background: var(--knowledge-surface-solid);
  border: 1px solid var(--knowledge-border);
  border-radius: 4px;
}

.knowledge-writer-checkbox {
  margin: 8px 12px 13px 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--knowledge-muted);
  font-size: 12px;
}

.knowledge-writer-solution-fields {
  margin: 12px 0 0;
  padding: 12px;
  border: 1px solid var(--knowledge-border);
}

.knowledge-writer-solution-fields legend {
  padding: 0 5px;
  color: var(--knowledge-muted);
  font-size: 12px;
}

.knowledge-writer-toc-list {
  display: grid;
  gap: 3px;
}

.knowledge-writer-toc-list button {
  padding: 7px 8px;
  overflow: hidden;
  color: var(--knowledge-muted);
  background: transparent;
  text-align: left;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.knowledge-writer-toc-list button:hover {
  color: var(--knowledge-primary);
  background: var(--knowledge-primary-soft);
}

.knowledge-writer-toc-list button[data-level="2"] {
  padding-left: 18px;
}

.knowledge-writer-toc-list button[data-level="3"] {
  padding-left: 30px;
}

.knowledge-writer-toc-empty {
  color: var(--knowledge-muted);
  font-size: 12px;
}

.knowledge-writer-bottom {
  position: fixed;
  z-index: 35;
  right: 0;
  bottom: 0;
  left: 0;
  min-height: 58px;
  padding: 8px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: color-mix(in srgb, var(--knowledge-surface-solid) 96%, transparent);
  border-top: 1px solid var(--knowledge-border);
  backdrop-filter: blur(10px);
}

.knowledge-writer-bottom > div {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--knowledge-muted);
  font-size: 12px;
}

.knowledge-writer-bottom button {
  min-height: 36px;
  padding: 0 14px;
  border-radius: 4px;
}

.knowledge-writer-secondary {
  color: var(--knowledge-text);
  background: var(--knowledge-bg);
  border: 1px solid var(--knowledge-border);
}

.knowledge-writer-publish {
  color: #fff;
  background: var(--knowledge-primary);
}

.knowledge-writer-preview-overlay {
  position: fixed;
  z-index: 100;
  inset: 0;
  padding: 30px;
  overflow-y: auto;
  background: rgba(10, 14, 20, .72);
}

.knowledge-writer-preview-dialog {
  width: min(900px, 100%);
  min-height: calc(100vh - 60px);
  margin: 0 auto;
  background: var(--knowledge-surface-solid);
  box-shadow: 0 18px 50px rgba(0, 0, 0, .28);
}

.knowledge-writer-preview-dialog > header {
  position: sticky;
  top: -30px;
  z-index: 2;
  min-height: 50px;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--knowledge-surface-solid);
  border-bottom: 1px solid var(--knowledge-border);
}

.knowledge-writer-preview-dialog > header button {
  width: 34px;
  height: 34px;
  color: var(--knowledge-muted);
  background: transparent;
  font-size: 24px;
}

.knowledge-writer-preview-dialog article {
  max-width: 760px;
  margin: 0 auto;
  padding: 56px 36px 90px;
}

.knowledge-writer-preview-meta {
  color: var(--knowledge-primary);
}

.knowledge-writer-preview-summary {
  color: var(--knowledge-muted);
  font-size: 17px;
}

.knowledge-writer-preview-solution {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 20px 0;
  padding: 14px 0;
  border-block: 1px solid var(--knowledge-border);
  color: var(--knowledge-muted);
  font-size: 14px;
}

.knowledge-writer-error {
  padding: 40px;
  color: var(--knowledge-danger);
}

@media (max-width: 1100px) {
  .knowledge-writer-workspace {
    width: min(900px, calc(100% - 28px));
    grid-template-columns: minmax(0, 1fr);
  }

  .knowledge-writer-side {
    position: fixed;
    z-index: 55;
    top: 0;
    right: 0;
    bottom: 58px;
    width: min(340px, 90vw);
    max-height: none;
    margin: 0;
    transform: translateX(105%);
    border-radius: 0;
    transition: transform 160ms ease;
  }

  .knowledge-writer-side.is-open {
    transform: translateX(0);
    box-shadow: -12px 0 35px rgba(0, 0, 0, .18);
  }

  .knowledge-writer-toolbar .is-low-frequency {
    display: none;
  }

  .knowledge-writer-toolbar.show-all-tools .is-low-frequency {
    display: grid;
  }
}

@media (max-width: 768px) {
  .knowledge-site.knowledge-writing-mode {
    --knowledge-writer-bar-height: 96px;
  }

  .knowledge-writer-primary-bar {
    padding: 0 10px;
  }

  .knowledge-writer-author {
    display: none;
  }

  .knowledge-writer-toolbar {
    padding: 6px 8px;
  }

  .knowledge-writer-workspace {
    width: 100%;
  }

  .knowledge-writer-paper {
    min-height: calc(100vh - 154px);
    padding: 38px 22px 130px;
  }

  .knowledge-writer-title {
    font-size: 30px;
  }

  .knowledge-tiptap-editor {
    min-height: 440px;
    font-size: 16px;
  }

  .knowledge-writer-bottom {
    padding: 7px 10px;
  }

  .knowledge-writer-bottom > div:first-child span:nth-of-type(n+2),
  .knowledge-writer-bottom time {
    display: none;
  }

  .knowledge-writer-bottom > div {
    gap: 6px;
  }

  .knowledge-writer-bottom button {
    padding: 0 10px;
  }

  .knowledge-writer-preview-overlay {
    padding: 0;
  }

  .knowledge-writer-preview-dialog {
    min-height: 100vh;
  }

  .knowledge-writer-preview-dialog > header {
    top: 0;
  }

  .knowledge-writer-preview-dialog article {
    padding: 36px 20px 80px;
  }
}

@media (max-width: 430px) {
  .knowledge-writer-mode {
    max-width: 78px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .knowledge-writer-top-status {
    display: none;
  }

  .knowledge-writer-paper {
    padding-inline: 16px;
  }

  .knowledge-writer-save-status {
    display: none;
  }

  .knowledge-writer-bottom .knowledge-writer-secondary:first-of-type {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .knowledge-writer-side {
    transition: none;
  }
}