/* INK-GAG · 小说沉浸写作布局 */
.igs-nv-studio--write-focus .igs-nv-story-strip,
.igs-nv-studio--write-focus .igs-nv-corpus-strip,
.igs-nv-studio--write-focus .igs-nv-corpus,
.igs-nv-studio--write-focus .igs-nv-book-chrome__tabs {
  display: none;
}

.igs-nv-studio--write-focus .igs-nv-studio__body {
  min-height: 0;
}

.igs-nv-studio--write-focus .igs-nv-studio__stage {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.igs-nv-reader-wrap--write-focus {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.igs-nv-write-focus {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  gap: 0.5rem;
  padding: 0.35rem 0.5rem 0.65rem;
}

.igs-nv-write-focus__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.65rem;
  padding: 0.35rem 0.55rem;
  border: 1px solid var(--igs-line, rgba(0, 0, 0, 0.08));
  border-radius: 0.55rem;
  background: var(--igs-card, #fff);
}

.igs-nv-write-focus__title {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
  flex: 1 1 8rem;
}

.igs-nv-write-focus__title strong {
  font-size: 0.95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.igs-nv-write-focus__ch-nav,
.igs-nv-write-focus__tools {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex-shrink: 0;
}

.igs-nv-write-focus__tools .is-on {
  color: var(--igs-accent, #2d6a4f);
  border-color: color-mix(in srgb, var(--igs-accent, #2d6a4f) 35%, transparent);
}

.igs-nv-write-focus__stats {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.75rem;
  padding: 0.35rem 0.65rem;
  flex-shrink: 0;
  border-radius: 0.45rem;
  background: color-mix(in srgb, var(--igs-paper, #f5f3ee) 88%, transparent);
  border: 1px solid var(--igs-line, rgba(0, 0, 0, 0.06));
}

.igs-nv-write-focus__iconbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 0.35rem;
  padding: 0.2rem 0.35rem;
  flex-shrink: 0;
  border-radius: 0.45rem;
  background: var(--igs-card, #fff);
  border: 1px solid var(--igs-line, rgba(0, 0, 0, 0.08));
}

.igs-nv-write-focus__iconbar-spacer {
  flex: 1 1 0.5rem;
  min-width: 0.25rem;
}

.igs-nv-write-focus__ico {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  height: 2rem;
  padding: 0 0.35rem;
  border: 1px solid transparent;
  border-radius: 0.4rem;
  background: transparent;
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
}

.igs-nv-write-focus__ico:hover {
  background: color-mix(in srgb, var(--igs-paper, #f5f3ee) 80%, transparent);
  border-color: var(--igs-line, rgba(0, 0, 0, 0.08));
}

.igs-nv-write-focus__ico.is-on {
  background: color-mix(in srgb, var(--igs-accent, #2d6a4f) 12%, transparent);
  border-color: color-mix(in srgb, var(--igs-accent, #2d6a4f) 35%, transparent);
}

.igs-nv-write-focus__badge {
  position: absolute;
  top: -0.15rem;
  right: -0.1rem;
  min-width: 0.95rem;
  height: 0.95rem;
  padding: 0 0.2rem;
  border-radius: 999px;
  font-size: 0.62rem;
  font-weight: 700;
  line-height: 0.95rem;
  color: #fff;
  background: var(--igs-accent, #2d6a4f);
}

.igs-nv-write-focus__ico-txt {
  font-size: 0.78rem;
  padding: 0.2rem 0.45rem;
}

.igs-nv-write-focus__guide {
  flex-shrink: 0;
  margin: 0;
  padding: 0.35rem 0.55rem;
  border-radius: 0.45rem;
  background: color-mix(in srgb, var(--igs-accent, #2d6a4f) 6%, var(--igs-card, #fff));
  border: 1px solid color-mix(in srgb, var(--igs-accent, #2d6a4f) 18%, transparent);
  font-size: 0.8rem;
}

.igs-nv-write-focus__guide summary {
  cursor: pointer;
  font-weight: 600;
}

.igs-nv-write-focus__guide-list {
  margin: 0.35rem 0 0.25rem 1.1rem;
  padding: 0;
  line-height: 1.45;
}

.igs-nv-write-focus__guide-list li + li {
  margin-top: 0.25rem;
}

.igs-nv-write-focus__markbar.is-collapsed {
  display: none;
}

.igs-nv-add-ch__drop--immersive.is-collapsed {
  display: none;
}

.igs-nv-write-focus__col {
  display: flex;
  flex-direction: column;
  min-height: 0;
  gap: 0.2rem;
}

.igs-nv-write-focus__col.is-edit {
  flex: 1;
  min-width: 0;
}

.igs-nv-write-focus__col.is-preview {
  flex: 1;
  min-width: 0;
}

.igs-nv-write-focus__col-label {
  flex-shrink: 0;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--igs-ink-muted, #666);
}

.igs-nv-write-focus__col.is-edit .igs-nv-write-focus__col-label {
  color: color-mix(in srgb, var(--igs-accent, #2d6a4f) 75%, #333);
}

.igs-nv-write-focus__preview-tip {
  margin: 0;
  flex-shrink: 0;
  font-size: 0.72rem;
}

.igs-nv-write-focus__stat strong {
  font-size: 1.05rem;
  color: var(--igs-ink, #1a1a1a);
}

.igs-nv-write-focus__stat.is-warn {
  color: var(--igs-warn, #b45309);
}

.igs-nv-write-focus__stat.is-hint {
  color: var(--igs-accent, #2d6a4f);
}

.igs-nv-write-focus__stat.is-ok {
  color: var(--igs-ok, #15803d);
}

.igs-nv-write-focus__stat.is-muted {
  opacity: 0.75;
}

.igs-nv-write-focus__tabs {
  display: flex;
  gap: 0.35rem;
}

.igs-nv-write-focus__tab {
  appearance: none;
  border: 1px solid var(--igs-line, rgba(0, 0, 0, 0.1));
  border-radius: 999px;
  background: var(--igs-card, #fff);
  padding: 0.28rem 0.75rem;
  font: inherit;
  font-size: 0.78rem;
  cursor: pointer;
  color: var(--igs-ink-muted, #666);
}

.igs-nv-write-focus__tab.is-on {
  background: color-mix(in srgb, var(--igs-accent, #2d6a4f) 12%, var(--igs-card, #fff));
  border-color: color-mix(in srgb, var(--igs-accent, #2d6a4f) 40%, transparent);
  color: var(--igs-accent, #2d6a4f);
  font-weight: 600;
}

.igs-nv-write-focus__tab:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.igs-nv-write-focus__workspace {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  overflow: auto;
}

.igs-nv-write-focus__workspace .igs-nv-add-ch__drop--hint {
  flex-shrink: 0;
}

.igs-nv-write-focus__add,
.igs-nv-write-focus__draft {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.igs-nv-add-ch__form--immersive {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.igs-nv-add-ch__drop--immersive {
  flex-shrink: 0;
  padding: 0.55rem 0.75rem;
}

.igs-nv-write-focus__field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.78rem;
  color: var(--igs-ink-muted, #666);
  flex-shrink: 0;
}

.igs-nv-write-focus__field-lab {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: color-mix(in srgb, #6b4a1e 70%, #888);
}

.igs-nv-write-focus__field input {
  font-size: 0.88rem;
}

/* 标题：固定两行高度 · 精致纸感 */
.igs-nv-write-focus__field--title {
  max-width: min(42rem, 100%);
  gap: 0.28rem;
}

.igs-nv-write-focus__title-input {
  box-sizing: border-box;
  width: 100%;
  height: 3.15rem;
  min-height: 3.15rem;
  max-height: 3.15rem;
  resize: none;
  overflow: auto;
  padding: 0.42rem 0.75rem 0.42rem 0.85rem;
  border: 1px solid color-mix(in srgb, #c9a66b 45%, rgba(0, 0, 0, 0.08));
  border-radius: 0.55rem;
  background:
    linear-gradient(90deg, color-mix(in srgb, #c4923a 55%, transparent) 0 2px, transparent 2px),
    linear-gradient(180deg, #fffdf8 0%, #faf4ea 100%);
  color: #2a2116;
  font: inherit;
  font-size: 1.02rem;
  font-weight: 650;
  line-height: 1.35;
  letter-spacing: 0.01em;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.75) inset,
    0 1px 2px rgba(80, 50, 10, 0.04);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.igs-nv-write-focus__title-input::placeholder {
  color: color-mix(in srgb, #8a7355 55%, transparent);
  font-weight: 500;
}

.igs-nv-write-focus__title-input:hover {
  border-color: color-mix(in srgb, #c4923a 55%, rgba(0, 0, 0, 0.1));
}

.igs-nv-write-focus__title-input:focus {
  outline: none;
  border-color: #c4923a;
  background:
    linear-gradient(90deg, #c4923a 0 2px, transparent 2px),
    linear-gradient(180deg, #fffefb 0%, #fff8ec 100%);
  box-shadow:
    0 0 0 3px color-mix(in srgb, #c4923a 18%, transparent),
    0 1px 0 rgba(255, 255, 255, 0.85) inset;
}

.igs-nv-write-focus__field--body {
  flex: 1;
  min-height: 12rem;
  display: flex;
  flex-direction: column;
}

.igs-nv-write-focus__editor-block {
  flex: 1;
  min-height: 14rem;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.igs-nv-write-focus__editor-block.is-color-on {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  min-height: 16rem;
}

.igs-nv-write-focus__editor-block.is-color-on .igs-nv-write-focus__body {
  min-height: 12rem;
}

.igs-nv-write-focus__preview {
  flex: 1;
  min-height: 12rem;
  overflow: auto;
  padding: 0.75rem 0.85rem;
  border-radius: 0.5rem;
  border: 1px solid var(--igs-line, rgba(0, 0, 0, 0.1));
  background: color-mix(in srgb, var(--igs-paper, #f8f6f1) 90%, var(--igs-card, #fff));
  font-size: 1rem;
  line-height: 1.75;
  color: var(--igs-ink, #1a1a1a);
  white-space: pre-wrap;
  word-break: break-word;
}

.igs-nv-write-focus__preview.is-standalone {
  max-height: 40vh;
}

.igs-nv-prose-mark.is-dialogue {
  color: color-mix(in srgb, var(--igs-accent, #2d6a4f) 88%, #000);
  font-weight: 500;
}

.igs-nv-prose-mark.is-inner {
  color: color-mix(in srgb, #7c3aed 75%, var(--igs-ink, #333));
  font-style: italic;
}

.igs-nv-prose-mark.is-system {
  color: var(--igs-warn, #b45309);
  font-weight: 600;
}

.igs-nv-write-focus__colorbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.75rem;
  font-size: 0.76rem;
  color: var(--igs-ink-muted, #666);
}

.igs-nv-write-focus__color-toggle {
  appearance: none;
  border: 1px solid var(--igs-line, rgba(0, 0, 0, 0.12));
  border-radius: 999px;
  background: var(--igs-card, #fff);
  padding: 0.22rem 0.7rem;
  font: inherit;
  font-size: 0.76rem;
  cursor: pointer;
}

.igs-nv-write-focus__color-toggle.is-on {
  background: color-mix(in srgb, var(--igs-accent, #2d6a4f) 14%, var(--igs-card, #fff));
  border-color: color-mix(in srgb, var(--igs-accent, #2d6a4f) 45%, transparent);
  color: var(--igs-accent, #2d6a4f);
  font-weight: 600;
}

.igs-nv-write-focus__legend em {
  font-style: normal;
  font-weight: 500;
}

.igs-nv-write-focus__legend em.is-dialogue,
.igs-nv-write-focus__stat.is-dialogue {
  color: color-mix(in srgb, var(--igs-accent, #2d6a4f) 90%, #000);
}

.igs-nv-write-focus__legend em.is-inner,
.igs-nv-write-focus__stat.is-inner {
  color: color-mix(in srgb, #7c3aed 70%, var(--igs-ink, #333));
}

.igs-nv-write-focus__legend em.is-system,
.igs-nv-write-focus__stat.is-system {
  color: var(--igs-warn, #b45309);
}

.igs-nv-cowrite-preview {
  position: fixed;
  inset: 0;
  z-index: 12050;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.igs-nv-cowrite-preview__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
}

.igs-nv-cowrite-preview__card {
  position: relative;
  z-index: 1;
  width: min(52rem, 100%);
  max-height: min(88vh, 40rem);
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 0.85rem 1rem 1rem;
  border-radius: 0.65rem;
  background: var(--igs-card, #fff);
  border: 1px solid var(--igs-line, rgba(0, 0, 0, 0.1));
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
}

.igs-nv-cowrite-preview__hd {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.igs-nv-cowrite-preview__sel summary {
  cursor: pointer;
  font-size: 0.8rem;
}

.igs-nv-cowrite-preview__pre {
  margin: 0.35rem 0 0;
  max-height: 8rem;
  overflow: auto;
  font-size: 0.82rem;
  white-space: pre-wrap;
  background: color-mix(in srgb, var(--igs-paper, #f5f3ee) 80%, transparent);
  padding: 0.45rem 0.55rem;
  border-radius: 0.35rem;
}

.igs-nv-cowrite-preview__ft {
  display: flex;
  justify-content: flex-end;
  gap: 0.45rem;
  padding-top: 0.35rem;
}

@media (max-width: 900px) {
  .igs-nv-write-focus__editor-block.is-color-on {
    grid-template-columns: 1fr;
  }
}

.igs-nv-write-focus__body {
  flex: 1;
  min-height: 14rem;
  width: 100%;
  resize: vertical;
  font-size: 1rem;
  line-height: 1.75;
  padding: 0.75rem 0.85rem;
  border-radius: 0.5rem;
  border: 1px solid var(--igs-line, rgba(0, 0, 0, 0.12));
  background: var(--igs-card, #fff);
  color: var(--igs-ink, #1a1a1a);
  font-family: inherit;
}

.igs-nv-add-ch__actions--immersive {
  flex-shrink: 0;
  position: sticky;
  bottom: 0;
  padding: 0.45rem 0;
  background: linear-gradient(
    180deg,
    transparent,
    color-mix(in srgb, var(--igs-bg-a, #f5f3ee) 92%, transparent) 28%
  );
}

body.igs-on-workspace .igs-nv-studio--write-focus .igs-nv-studio__stage {
  min-height: calc(100dvh - 7.5rem);
}

@media (max-width: 720px) {
  .igs-nv-write-focus__bar {
    padding: 0.35rem;
  }
  .igs-nv-write-focus__exit span {
    display: none;
  }
}

/* 协助编辑轨 · AI 气泡与侧栏 */
.igs-ws-msg__cand-acts--cowrite {
  border-top: 1px dashed color-mix(in srgb, var(--igs-accent, #2d6a4f) 35%, transparent);
  padding-top: 0.45rem;
  margin-top: 0.35rem;
}
.igs-ws-msg__cand-acts--cowrite .igs-btn {
  font-size: 0.78rem;
}
.igs-nv-co-write-assist {
  padding: 0.65rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.igs-nv-co-write-assist__lead {
  margin: 0;
  font-weight: 600;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.igs-nv-co-write-assist__flow {
  margin: 0;
  padding: 0.45rem 0.5rem;
  border-radius: 0.4rem;
  background: color-mix(in srgb, var(--igs-paper, #f5f3ee) 75%, transparent);
  font-size: 0.8rem;
  line-height: 1.45;
}
.igs-nv-co-write-assist__flow p {
  margin: 0.15rem 0;
}
.igs-nv-write-focus__coach {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.55rem;
  padding: 0.35rem 0.55rem;
  border-radius: 0.45rem;
  font-size: 0.78rem;
  flex-shrink: 0;
  background: color-mix(in srgb, var(--igs-accent, #2d6a4f) 8%, var(--igs-card, #fff));
  border: 1px solid color-mix(in srgb, var(--igs-accent, #2d6a4f) 22%, transparent);
}
.igs-nv-write-focus__coach.is-warn {
  background: color-mix(in srgb, #b45309 8%, var(--igs-card, #fff));
  border-color: color-mix(in srgb, #b45309 25%, transparent);
}
.igs-nv-write-focus__coach.is-empty {
  background: color-mix(in srgb, var(--igs-paper, #f5f3ee) 80%, transparent);
}
.igs-nv-write-focus__coach-ico {
  flex-shrink: 0;
}
.igs-nv-write-focus__coach-txt {
  flex: 1 1 12rem;
  min-width: 0;
  line-height: 1.4;
}
.igs-nv-write-focus__know {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.3rem 0.45rem;
  padding: 0.3rem 0.5rem;
  border-radius: 0.45rem;
  flex-shrink: 0;
  background: color-mix(in srgb, #6366f1 6%, var(--igs-card, #fff));
  border: 1px solid color-mix(in srgb, #6366f1 18%, transparent);
  font-size: 0.78rem;
}
.igs-nv-write-focus__know-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.15rem 0.35rem;
  border: none;
  background: transparent;
  font-weight: 600;
  cursor: pointer;
  color: inherit;
}
.igs-nv-write-focus__know-meta {
  color: var(--igs-ink-muted, #666);
}
.igs-nv-write-focus__know-meta.is-warn {
  color: #b45309;
}
.igs-nv-cowrite-coach {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 0.45rem 0.55rem;
  border-radius: 0.45rem;
  background: color-mix(in srgb, var(--igs-accent, #2d6a4f) 6%, var(--igs-paper, #f5f3ee));
  border: 1px solid color-mix(in srgb, var(--igs-accent, #2d6a4f) 18%, transparent);
}
.igs-nv-cowrite-coach__hd {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  font-size: 0.8rem;
}
.igs-nv-cowrite-coach__lanes {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}
.igs-nv-cowrite-lane {
  font-size: 0.72rem;
  padding: 0.12rem 0.4rem;
  border-radius: 999px;
  border: 1px solid var(--igs-line, #ddd);
  color: var(--igs-ink-muted, #666);
}
.igs-nv-cowrite-lane.is-on {
  font-weight: 600;
  color: var(--igs-accent, #2d6a4f);
  border-color: color-mix(in srgb, var(--igs-accent, #2d6a4f) 40%, transparent);
  background: color-mix(in srgb, var(--igs-accent, #2d6a4f) 10%, transparent);
}
.igs-nv-cowrite-coach__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}
.igs-ws-prompt.is-cowrite {
  font-size: 0.76rem;
}
.igs-nv-co-write-assist__arch {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.35rem;
}
.igs-nv-co-write-arch__item {
  padding: 0.35rem 0.45rem;
  border-radius: 0.4rem;
  border: 1px solid var(--igs-line, rgba(0, 0, 0, 0.08));
  font-size: 0.74rem;
  line-height: 1.35;
}
.igs-nv-co-write-arch__item b {
  display: block;
  font-size: 0.78rem;
}
.igs-nv-co-write-arch__item span {
  color: var(--igs-ink-muted, #666);
}
.igs-nv-co-write-arch__item.is-assist {
  border-color: color-mix(in srgb, var(--igs-accent, #2d6a4f) 35%, transparent);
  background: color-mix(in srgb, var(--igs-accent, #2d6a4f) 8%, transparent);
}
.igs-nv-co-write-assist__know {
  margin: 0;
  font-size: 0.78rem;
  padding: 0.3rem 0.45rem;
  border-radius: 0.35rem;
  background: color-mix(in srgb, #6366f1 8%, transparent);
}
.igs-nv-co-write-assist__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.igs-nv-co-write-assist__recent {
  margin-top: 0.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  max-height: 6rem;
  overflow: auto;
  font-size: 0.78rem;
  padding: 0.35rem 0.45rem;
  border-radius: 0.4rem;
  background: color-mix(in srgb, var(--igs-paper, #f5f3ee) 75%, transparent);
  border: 1px solid var(--igs-line, rgba(0, 0, 0, 0.06));
}
.igs-nv-co-write-assist__recent.is-embed {
  flex: 0 0 auto;
  max-height: 4.5rem;
  padding: 0 0.15rem 0.35rem;
}
.igs-nv-co-write-assist-stack {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-height: 0;
  gap: 0.35rem;
}
.igs-nv-co-write-assist-stack > .igs-nv-co-write-assist.is-embed {
  flex: 0 0 auto;
  max-height: 42%;
  overflow: auto;
  padding-bottom: 0.15rem;
  border-bottom: 1px dashed rgba(47, 155, 106, 0.25);
}
.igs-nv-co-write-assist-stack > .igs-ws-bar.is-dock-rail {
  flex: 1 1 auto;
  min-height: 10rem;
}
.igs-nv-co-write-assist__flow {
  margin: 0.35rem 0 0.5rem;
  padding-left: 1.1rem;
  font-size: 0.78rem;
  line-height: 1.45;
  color: #3d4f47;
}
.igs-nv-co-write-assist__flow li + li {
  margin-top: 0.2rem;
}
.igs-nv-ai-rail.is-tab-assist .igs-nv-ai-rail__body {
  overflow: hidden;
}
.igs-nv-ai-rail.is-tab-assist .igs-ws-bar__compose {
  position: sticky;
  bottom: 0;
  z-index: 2;
  background: linear-gradient(180deg, rgba(255, 252, 247, 0.72), #fff 28%);
  border-top: 1px solid rgba(213, 227, 218, 0.9);
  padding-top: 0.35rem;
  margin-top: 0.15rem;
}
.igs-nv-ai-rail.is-tab-chat .igs-ws-bar__compose {
  position: sticky;
  bottom: 0;
  z-index: 2;
  background: linear-gradient(180deg, rgba(255, 252, 247, 0.72), #fff 28%);
}
.igs-nv-assist-ops-item {
  font-size: 0.8rem;
  line-height: 1.35;
}
.igs-nv-assist-ops-item header {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.45rem;
  margin-bottom: 0.15rem;
}
.igs-nv-assist-ops-item p {
  margin: 0;
  color: color-mix(in srgb, var(--igs-ink, #333) 82%, transparent);
  white-space: pre-wrap;
  word-break: break-word;
}
.igs-nv-assist-ops-item.is-compact {
  padding: 0.2rem 0;
  border-bottom: 1px dashed color-mix(in srgb, var(--igs-line, #ccc) 60%, transparent);
}
.igs-nv-assist-ops-item.is-compact:last-child {
  border-bottom: none;
}
.igs-nv-assist-ops-list {
  flex: 1;
  min-height: 0;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.igs-nv-assist-ops-modal {
  max-height: min(88vh, 36rem);
}
.igs-nv-write-focus__markbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.3rem 0.4rem;
  padding: 0.25rem 0.45rem;
  border-radius: 0.4rem;
  background: color-mix(in srgb, var(--igs-paper, #f5f3ee) 70%, transparent);
  border: 1px solid var(--igs-line, rgba(0, 0, 0, 0.06));
}
.igs-nv-mark-prose.is-dialogue.is-on,
.igs-nv-mark-prose.is-dialogue:hover {
  color: #1d4ed8;
}
.igs-nv-mark-prose.is-inner.is-on,
.igs-nv-mark-prose.is-inner:hover {
  color: #7c3aed;
}
.igs-nv-mark-prose.is-system.is-on,
.igs-nv-mark-prose.is-system:hover {
  color: #b45309;
}
.igs-nv-write-focus__hint {
  margin: 0;
  flex-shrink: 0;
  font-size: 0.76rem;
}

/* 「沉浸」品牌强调 · 章节入口 + 协助轨 */
.igs-nv-immerse-em {
  font-weight: 800;
  letter-spacing: 0.06em;
  background: linear-gradient(135deg, #1b7a52 0%, #2d9f6a 45%, #5ecf9a 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.igs-nv-immerse-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.12rem 0.55rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: #fff;
  background: linear-gradient(135deg, #1b7a52, #2f9b6a 55%, #45c48a);
  box-shadow: 0 2px 10px color-mix(in srgb, #2f9b6a 35%, transparent);
  flex-shrink: 0;
}
.igs-nv-immerse-badge--bar {
  font-size: 0.76rem;
  padding: 0.1rem 0.45rem;
}
.igs-nv-immerse-btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  padding: 0.28rem 0.65rem !important;
  border: 1px solid color-mix(in srgb, #2f9b6a 45%, transparent) !important;
  border-radius: 0.55rem;
  background: linear-gradient(
    165deg,
    color-mix(in srgb, #2f9b6a 14%, var(--igs-card, #fff)),
    color-mix(in srgb, #2f9b6a 6%, var(--igs-paper, #f8f7f4))
  ) !important;
  color: #145c45;
  cursor: pointer;
  box-shadow: 0 1px 0 color-mix(in srgb, #fff 60%, transparent) inset,
    0 2px 8px color-mix(in srgb, #2f9b6a 18%, transparent);
  transition: transform 0.12s ease, box-shadow 0.12s ease, filter 0.12s ease, background 0.12s ease;
}
.igs-nv-immerse-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 1px 0 color-mix(in srgb, #fff 70%, transparent) inset,
    0 4px 14px color-mix(in srgb, #2f9b6a 28%, transparent);
}
.igs-nv-immerse-btn .igs-nv-immerse-em {
  font-size: 1.05em;
}
.igs-nv-immerse-btn__tail {
  font-size: 0.82em;
  font-weight: 500;
  color: var(--igs-ink-muted, #5a6b62);
}
.igs-nv-immerse-btn--wide {
  padding-inline: 0.75rem !important;
}
/* 沉浸写作 · 图标钮（琥珀，与普通 igs-btn / 沉浸阅读绿区分） */
.igs-nv-immerse-btn--write {
  width: 2.15rem;
  height: 2.15rem;
  padding: 0 !important;
  color: #6b4a1e !important;
  border: 1px solid #e0c089 !important;
  background: linear-gradient(165deg, #fff8ec, #f3e2c4) !important;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.7) inset, 0 2px 8px rgba(140, 90, 30, 0.14);
}
.igs-nv-immerse-btn--write:hover {
  color: #4a3212 !important;
  border-color: #c4923a !important;
  background: linear-gradient(165deg, #fff3d9, #ecc889) !important;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.75) inset, 0 4px 14px rgba(140, 90, 30, 0.22);
  filter: none;
}
.igs-nv-immerse-btn--write:active {
  transform: translateY(0);
  filter: brightness(0.96);
}
.igs-nv-immerse-btn--write .igs-nv-immerse-ico,
.igs-nv-immerse-btn--write .igs-nv-immerse-ico svg {
  display: block;
  width: 18px;
  height: 18px;
}
.igs-nv-immerse-btn--chrome {
  width: 2rem;
  height: 2rem;
}
.igs-nv-immerse-btn--chrome .igs-nv-immerse-ico,
.igs-nv-immerse-btn--chrome .igs-nv-immerse-ico svg {
  width: 16px;
  height: 16px;
}
body.igs-nv-write-focus-on .igs-nv-immerse-btn--write {
  color: #fff !important;
  border-color: transparent !important;
  background: linear-gradient(135deg, #c4923a, #a67a28) !important;
  box-shadow: 0 2px 10px rgba(140, 90, 30, 0.35);
}
.igs-nv-ch-panel__head .igs-nv-immerse-btn {
  margin-left: auto;
}
.igs-novel-reader-head__actions .igs-nv-immerse-btn--write {
  order: -1;
  flex-shrink: 0;
}
.igs-nv-co-write-assist__brand {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}
.igs-nv-co-write-assist__brand .igs-nv-co-write-assist__lead {
  margin: 0;
}

/* 协助轨 · 已挂载清单 */
.igs-nv-co-write-att {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 0.45rem 0.55rem;
  border-radius: 0.5rem;
  background: color-mix(in srgb, var(--igs-paper, #f5f3ee) 70%, var(--igs-card, #fff));
  border: 1px solid color-mix(in srgb, var(--igs-accent, #2d6a4f) 16%, transparent);
}
.igs-nv-co-write-att.is-empty {
  border-style: dashed;
  background: color-mix(in srgb, var(--igs-paper, #f5f3ee) 85%, transparent);
}
.igs-nv-co-write-att__hd {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.5rem;
}
.igs-nv-co-write-att__label {
  font-size: 0.8rem;
  font-weight: 600;
}
.igs-nv-co-write-att__label strong {
  color: var(--igs-accent, #2d6a4f);
}
.igs-nv-co-write-att__hint {
  flex: 1 1 auto;
  font-size: 0.72rem;
  color: var(--igs-ink-muted, #6b7280);
}
.igs-nv-co-write-att__hd .igs-btn-ghost {
  margin-left: auto;
  font-size: 0.72rem;
  padding: 0.1rem 0.35rem;
}
.igs-nv-co-write-att__list {
  display: flex;
  flex-direction: column;
  gap: 0.28rem;
  max-height: 9rem;
  overflow: auto;
}
.igs-nv-co-write-assist.is-embed .igs-nv-co-write-att__list {
  max-height: 6.5rem;
}
.igs-nv-co-write-att__item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.35rem;
  padding: 0.28rem 0.4rem;
  border-radius: 0.38rem;
  background: var(--igs-card, #fff);
  border: 1px solid color-mix(in srgb, var(--igs-line, #ddd) 80%, transparent);
  font-size: 0.78rem;
}
.igs-nv-co-write-att__item.is-soft {
  border-style: dashed;
  opacity: 0.92;
}
.igs-nv-co-write-att__type {
  flex-shrink: 0;
  font-size: 0.68rem;
  font-weight: 600;
  padding: 0.08rem 0.35rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--igs-accent, #2d6a4f) 12%, transparent);
  color: var(--igs-accent, #2d6a4f);
  white-space: nowrap;
}
.igs-nv-co-write-att__item.is-artifact .igs-nv-co-write-att__type,
.igs-nv-co-write-att__item.is-novel-ref .igs-nv-co-write-att__type {
  background: color-mix(in srgb, #6366f1 12%, transparent);
  color: #4f46e5;
}
.igs-nv-co-write-att__title {
  text-align: left;
  border: none;
  background: transparent;
  padding: 0;
  margin: 0;
  font: inherit;
  color: inherit;
  cursor: pointer;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.igs-nv-co-write-att__title:hover {
  color: var(--igs-accent, #2d6a4f);
  text-decoration: underline;
}
.igs-nv-co-write-att__x {
  width: 1.35rem;
  height: 1.35rem;
  border: none;
  border-radius: 999px;
  background: color-mix(in srgb, var(--igs-paper, #eee) 80%, transparent);
  color: var(--igs-ink-muted, #888);
  cursor: pointer;
  line-height: 1;
  font-size: 0.95rem;
}
.igs-nv-co-write-att__x:hover {
  background: color-mix(in srgb, #dc2626 12%, transparent);
  color: #b91c1c;
}
.igs-nv-co-write-att__empty {
  margin: 0;
  font-size: 0.76rem;
  line-height: 1.45;
  color: var(--igs-ink-muted, #6b7280);
}
.igs-nv-co-write-att__empty-acts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}
.igs-nv-co-write-assist-stack > .igs-nv-co-write-assist.is-embed {
  max-height: 48%;
}


/* P5：沉浸写作顶条 = 唯一第2层导航 */
.igs-nv-write-focus__bar.is-core {
  flex-wrap: nowrap;
  gap: 0.35rem 0.45rem;
  padding: 0.38rem 0.5rem;
  border-radius: 0;
  border-left: 0;
  border-right: 0;
  border-top: 0;
  background: linear-gradient(180deg, #fffaf3 0%, #f8f1e6 100%);
  border-bottom: 1px solid #e0c089;
  position: sticky;
  top: 0;
  z-index: 8;
}
.igs-nv-write-focus__bar.is-core .igs-nv-write-focus__exit {
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
  padding: 0.28rem 0.65rem;
  font-size: 0.78rem;
  font-weight: 800;
  border-radius: 999px;
  background: #fff;
  border: 1px solid #e0c089;
  color: #6b4a1e;
  cursor: pointer;
}
.igs-nv-write-focus__bar.is-core .igs-nv-write-focus__exit .igs-nv-immerse-ico {
  width: 15px;
  height: 15px;
}
.igs-nv-write-focus__bar.is-core .igs-nv-chrome__ai {
  margin-left: auto;
}
.igs-nv-write-focus__more {
  position: relative;
}
.igs-nv-write-focus__more > summary {
  list-style: none;
  cursor: pointer;
  border: 1px solid #e0c089;
  background: #fff;
  border-radius: 0.5rem;
  padding: 0.35rem 0.55rem;
  font-weight: 800;
  font-size: 0.85rem;
  color: #6b4a1e;
}
.igs-nv-write-focus__more > summary::-webkit-details-marker { display: none; }
.igs-nv-write-focus__more-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 0.25rem);
  z-index: 40;
  min-width: 10rem;
  padding: 0.35rem;
  border-radius: 0.55rem;
  border: 1px solid #e0c089;
  background: #fff;
  box-shadow: 0 8px 24px rgba(80, 50, 10, 0.12);
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.igs-nv-write-focus__more-menu button {
  appearance: none;
  border: 0;
  background: transparent;
  text-align: left;
  padding: 0.4rem 0.55rem;
  border-radius: 0.35rem;
  font-size: 0.8rem;
  cursor: pointer;
  color: #3a2a12;
}
.igs-nv-write-focus__more-menu button:hover {
  background: #fbf4e8;
}
.igs-nv-write-focus__know-fold {
  margin: 0.25rem 0;
  border-radius: 0.45rem;
  border: 1px solid var(--igs-line, rgba(0,0,0,.08));
  background: #fff;
  padding: 0.15rem 0.45rem;
}
.igs-nv-write-focus__know-fold > summary {
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 700;
  color: #5a6a62;
  padding: 0.25rem 0;
}
body.igs-chrome-novel-slim .igs-nv-studio--write-focus .igs-nv-write-focus__coach,
.igs-nv-studio.is-core-nav .igs-nv-write-focus__coach {
  display: none;
}

/* 章节菜单头：新章节入口 */
.igs-nv-ch-panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.65rem;
}
.igs-nv-ch-panel__acts {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  margin-left: auto;
}
.igs-nv-ch-panel__add {
  font-size: 0.82rem;
  padding: 0.28rem 0.65rem;
}
body.igs-nv-write-focus-on .igs-shell-statusdock {
  opacity: 0.92;
}

/* 共享库：藏沉浸写作入口 */
body.igs-space-shared [data-nv-write-focus-enter],
body.igs-space-shared [data-nv-add-chapter],
body.igs-space-shared .igs-nv-ch-panel__add,
body.igs-space-shared .igs-nv-write-focus__tabs {
  display: none !important;
}

/* 沉浸写作顶条核心态 */
.igs-nv-write-focus__bar.is-core {
  position: sticky;
  top: 0;
  z-index: 5;
  background: color-mix(in srgb, var(--igs-paper, #fffaf2) 92%, #f59e0b 8%);
  border-bottom: 1px solid color-mix(in srgb, #f59e0b 35%, var(--igs-line, #ddd));
}

.igs-nv-write-focus__workspace {
  padding-bottom: 1rem;
}

.igs-nv-write-focus__body,
.igs-nv-add-ch__form--immersive textarea[name="body"] {
  min-height: min(62vh, 36rem);
  font-size: 1.02rem;
  line-height: 1.75;
  resize: vertical;
}