:root {
  color-scheme: light;
  --ink: #20232b;
  --muted: #667085;
  --line: #d9dee8;
  --paper: #f6f2ea;
  --panel: #fffdf9;
  --panel-strong: #ffffff;
  --accent: #9f3f34;
  --accent-dark: #6f2f2a;
  --green: #31745f;
  --gold: #b88a2c;
  --blue: #356b9a;
  --shadow: 0 18px 42px rgba(36, 31, 25, 0.1);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  overflow: hidden;
  min-height: 100vh;
  background: var(--paper);
  color: var(--ink);
  font-family:
    "Microsoft YaHei", "PingFang SC", "Noto Sans SC", system-ui, -apple-system, sans-serif;
}

button,
textarea,
select {
  font: inherit;
}

button,
select {
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-strong);
  color: var(--ink);
}

button {
  cursor: pointer;
  font-weight: 700;
  padding: 0 12px;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.68;
}

button.is-busy:disabled {
  cursor: progress;
}

button:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
}

textarea {
  width: 100%;
  resize: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffefa;
  color: var(--ink);
  outline: 0;
  line-height: 1.7;
}

textarea:focus,
input:focus,
select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(159, 63, 52, 0.12);
}

input {
  width: 100%;
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffefa;
  color: var(--ink);
  font: inherit;
  outline: 0;
  padding: 0 10px;
}

.studio-shell {
  display: grid;
  grid-template-columns: 270px minmax(460px, 1fr) 408px;
  height: 100vh;
  min-height: 0;
  overflow: hidden;
}

.library-panel,
.ai-panel {
  max-height: 100vh;
  border-color: var(--line);
  background: rgba(255, 253, 249, 0.96);
}

.library-panel {
  display: flex;
  min-height: 0;
  flex-direction: column;
  overflow: hidden;
  padding: 14px;
  border-right: 1px solid var(--line);
}

.ai-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 38px;
  grid-template-rows: minmax(0, 1fr);
  min-height: 0;
  gap: 0;
  overflow: hidden;
  padding: 10px;
}

.ai-content-shell {
  grid-column: 1;
  grid-row: 1;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 8px;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

.library-search {
  flex: 0 0 auto;
  display: grid;
  gap: 8px;
  padding: 10px 0 12px;
  border-top: 1px solid var(--line);
}

.library-search input {
  min-height: 34px;
  padding: 0 10px;
  border-radius: 8px;
  background: #fffefa;
}

.library-search-results {
  display: grid;
  gap: 6px;
  max-height: 220px;
  overflow-y: auto;
}

.library-search-results button {
  display: grid;
  grid-template-rows: 18px 18px;
  gap: 2px;
  width: 100%;
  height: 48px;
  min-height: 48px;
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: transparent;
  color: var(--ink);
  text-align: left;
  line-height: 1.2;
  overflow: hidden;
}

.library-search-results button:hover {
  border-color: #e0c7aa;
  background: #eee5d7;
}

.library-search-results span {
  color: var(--gold);
  font-size: 0.76rem;
  font-weight: 900;
  line-height: 1.2;
}

.library-search-results strong {
  display: block;
  color: var(--ink);
  font-size: 0.82rem;
  line-height: 18px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.library-search-results small {
  display: block;
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 18px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.library-search-empty {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.ai-panel {
  border-left: 1px solid var(--line);
}

.project-title {
  flex: 0 0 auto;
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 10px 0 18px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  min-width: 44px;
  height: 44px;
  flex: 0 0 44px;
  border-radius: 8px;
  border: 0;
  background: var(--accent);
  color: white;
  cursor: pointer;
  font-size: 1.35rem;
  font-weight: 900;
  padding: 0;
}

.brand-mark:hover {
  background: var(--accent-dark);
  color: white;
}

.project-title h1,
.section-heading h2,
.ai-card h2,
.revision-dialog h2,
.compare-column h3,
.revision-ai h3 {
  margin: 0;
  line-height: 1.2;
}

.project-title p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.meta-label {
  margin: 0 0 5px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.library-section {
  display: flex;
  flex: 0 0 auto;
  min-height: 0;
  flex-direction: column;
  border-top: 1px solid var(--line);
  padding: 10px 0;
}

.library-section[open] {
  flex: 1 1 0;
  overflow: hidden;
}

.library-section summary {
  flex: 0 0 auto;
  cursor: pointer;
  color: var(--accent-dark);
  font-weight: 900;
  list-style-position: inside;
  padding-left: 2px;
}

.library-section-body {
  flex: 1 1 0;
  min-height: 0;
  max-height: 100%;
  overflow-y: auto;
  padding-right: 2px;
}

.library-section[open] .library-section-body {
  flex: 1 1 0;
}

.chapter-list,
.clue-list {
  display: grid;
  gap: 8px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.chapter-select-button,
.people-group button {
  width: 100%;
  min-height: 34px;
  border: 0;
  background: transparent;
  color: var(--muted);
  text-align: left;
  font-weight: 700;
}

.chapter-list-item {
  position: relative;
}

.chapter-select-button,
.people-group button {
  cursor: grab;
}

.chapter-select-button:active,
.people-group button:active {
  cursor: grabbing;
}

.chapter-list-item.is-dragging,
.people-group button.is-dragging {
  opacity: 0.42;
}

.chapter-list-item.is-drop-before::before,
.chapter-list-item.is-drop-after::after,
.people-group button.is-drop-before::before,
.people-group button.is-drop-after::after {
  content: "";
  position: absolute;
  right: 0;
  left: 0;
  height: 2px;
  border-radius: 999px;
  background: var(--accent);
}

.chapter-list-item.is-drop-before::before {
  top: -5px;
}

.chapter-list-item.is-drop-after::after {
  bottom: -5px;
}

.people-group button {
  position: relative;
}

.people-group button.is-drop-before::before {
  top: -4px;
}

.people-group button.is-drop-after::after {
  bottom: -4px;
}

.chapter-select-button:hover,
.people-group button:hover,
.chapter-select-button.is-active,
.people-group button.is-active {
  background: #eee5d7;
  color: var(--accent-dark);
}

.chapter-title-editor {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 6px;
  min-height: 34px;
  padding: 0 8px;
  border-radius: 8px;
  background: #eee5d7;
  color: var(--accent-dark);
  font-weight: 800;
}

.archive-title-editor {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 6px;
  min-height: 34px;
  padding: 0 8px;
  border-radius: 8px;
  background: #eee5d7;
  color: var(--accent-dark);
  font-weight: 800;
}

.chapter-title-number {
  white-space: nowrap;
}

.archive-title-label {
  white-space: nowrap;
}

.chapter-title-input {
  width: 100%;
  min-width: 0;
  height: 28px;
  border: 0;
  border-bottom: 1px solid color-mix(in srgb, var(--accent-dark), transparent 45%);
  border-radius: 0;
  background: transparent;
  color: var(--accent-dark);
  font: inherit;
  font-weight: 800;
  outline: 0;
}

.chapter-title-input::placeholder {
  color: color-mix(in srgb, var(--accent-dark), transparent 45%);
}

.chapter-context-menu {
  position: fixed;
  z-index: 1000;
  display: grid;
  min-width: 118px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffaf2;
  box-shadow: 0 14px 32px rgb(47 35 23 / 18%);
}

.chapter-context-menu[hidden] {
  display: none;
}

.chapter-context-menu button {
  min-height: 32px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-weight: 800;
  text-align: left;
}

.chapter-context-menu button:hover,
.chapter-context-menu button:focus-visible {
  background: #eee5d7;
  color: var(--accent-dark);
}

.chapter-context-menu button.is-danger {
  color: #a93428;
}

.chapter-context-menu button.is-danger:hover,
.chapter-context-menu button.is-danger:focus-visible {
  background: #f8e4df;
  color: #8f241b;
}

.people-group {
  display: grid;
  gap: 5px;
  margin-top: 13px;
}

.people-group summary {
  cursor: pointer;
  color: var(--green);
  font-size: 0.86rem;
  font-weight: 900;
  list-style-position: inside;
  padding-left: 2px;
  margin-bottom: 4px;
}

.people-group[open] summary {
  margin-bottom: 6px;
}

.people-group.is-drop-into {
  border-radius: 8px;
  background: rgba(238, 229, 215, 0.54);
  box-shadow: inset 0 0 0 1px rgba(172, 143, 116, 0.32);
}

.clue-list li {
  margin: 0;
}

.clue-list button {
  display: grid;
  gap: 4px;
  width: 100%;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
  text-align: left;
  background: #fffefa;
  color: var(--ink);
  line-height: 1.5;
  cursor: pointer;
}

.clue-list button:hover,
.clue-list button.is-active {
  border-color: #e0c7aa;
  background: #eee5d7;
  color: var(--accent-dark);
}

.clue-list span {
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 900;
}

.writing-panel {
  display: grid;
  grid-template-rows: minmax(140px, 21vh) minmax(0, 1fr) 40px;
  min-width: 0;
  height: 100vh;
  min-height: 0;
  padding: 14px;
  gap: 10px;
}

.outline-box,
.editor-box,
.character-box,
.ai-card,
.revision-compare,
.revision-ai {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.outline-box,
.editor-box,
.character-box {
  display: flex;
  min-height: 0;
  flex-direction: column;
  padding: 12px;
}

.writing-panel.is-character-mode {
  grid-template-rows: minmax(0, 1fr) 40px;
}

.writing-panel.is-draft-mode {
  grid-template-rows: minmax(0, 1fr) 40px;
}

.character-box {
  gap: 8px;
  grid-row: 1;
}

.section-heading,
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.section-heading span {
  color: var(--green);
  font-size: 0.86rem;
  font-weight: 800;
  text-align: right;
}

.editor-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  min-width: 0;
  flex-wrap: wrap;
}

.editor-actions button {
  min-height: 30px;
  padding: 0 9px;
  font-size: 0.82rem;
  white-space: nowrap;
}

.character-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  margin-top: auto;
}

.character-actions .icon-action {
  display: grid;
  place-items: center;
  width: 38px;
  min-width: 38px;
  padding: 0;
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.95rem;
}

.character-table-wrap {
  min-height: 0;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffefa;
}

.character-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.character-table th,
.character-table td {
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  text-align: left;
}

.character-table tr:last-child th,
.character-table tr:last-child td {
  border-bottom: 0;
}

.character-table th {
  width: 132px;
  background: #f3eee5;
  color: var(--accent-dark);
  font-size: 0.9rem;
  font-weight: 900;
  padding: 12px;
}

.character-table td {
  padding: 8px;
}

.character-table input,
.character-table textarea,
.character-table select {
  border: 0;
  border-radius: 6px;
  background: transparent;
  box-shadow: none;
}

.character-table textarea {
  min-height: 62px;
  padding: 4px 6px;
  resize: vertical;
}

.character-table .character-description {
  min-height: 360px;
  line-height: 1.7;
}

.character-table input,
.character-table select {
  padding: 0 6px;
}

.character-table input:disabled,
.character-table textarea:disabled,
.character-table select:disabled {
  color: var(--ink);
  opacity: 1;
}

.character-table input:not(:disabled),
.character-table textarea:not(:disabled),
.character-table select:not(:disabled) {
  background: white;
  box-shadow: inset 0 0 0 1px rgba(159, 63, 52, 0.18);
}

#chapterOutline {
  min-height: 0;
  flex: 1;
  padding: 12px;
}

#outlineEditorSlot,
#chapterOutlineContextSlot {
  display: flex;
  min-height: 0;
  flex: 1;
}

#chapterOutlineContextSlot #chapterOutline {
  min-height: 240px;
}

#chapterDraft,
.outline-overview {
  min-height: 0;
  flex: 1;
  padding: 14px;
  font-family: "Noto Serif SC", "Songti SC", SimSun, serif;
  font-size: 1.08rem;
}

.outline-overview {
  overflow-y: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffefa;
  color: var(--ink);
  line-height: 1.75;
}

.outline-overview-item {
  padding: 0 0 14px;
  white-space: pre-wrap;
}

.outline-overview-item + .outline-overview-item {
  padding-top: 14px;
  border-top: 1px solid rgba(217, 222, 232, 0.75);
}

.outline-overview-item h3 {
  margin: 0 0 6px;
  color: var(--muted);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", system-ui, sans-serif;
  font-size: 0.92rem;
}

.outline-overview-item p {
  margin: 0;
}

.outline-overview-text {
  min-height: 1.75em;
  border-radius: 6px;
  outline: 0;
  padding: 2px 4px;
}

.outline-overview-text:hover {
  background: rgba(53, 107, 154, 0.06);
}

.outline-overview-text:focus {
  background: #ffffff;
  box-shadow: inset 0 0 0 1px var(--blue);
}

.outline-overview-item.is-current {
  color: var(--blue);
}

.outline-overview-item.is-current h3 {
  color: var(--blue);
}

.status-bar {
  display: flex;
  align-items: center;
  gap: 18px;
  overflow-x: auto;
  min-height: 40px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #2d3038;
  color: #fff9ef;
  white-space: nowrap;
}

.status-bar span:last-child {
  margin-left: auto;
  color: #bfe2d5;
  font-weight: 800;
}

#selectionState {
  color: #bfe2d5;
  font-weight: 800;
  white-space: nowrap;
}

#saveState {
  margin-left: auto;
}

.ai-card {
  padding: 7px;
}

.ai-mode-tabs {
  display: grid;
  grid-column: 2;
  grid-row: 1;
  grid-template-rows: repeat(2, 72px);
  gap: 6px;
  align-self: start;
  padding: 0;
}

.ai-mode-tabs button {
  position: relative;
  width: 38px;
  min-width: 38px;
  min-height: 72px;
  padding: 0;
  border-left: 0;
  border-radius: 0 8px 8px 0;
  background: #f3eee5;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1;
  writing-mode: vertical-rl;
  text-orientation: upright;
  box-shadow: inset 7px 0 10px rgba(36, 31, 25, 0.04);
}

.ai-mode-tabs button.is-active {
  border-color: var(--accent);
  border-left-color: var(--panel);
  background: var(--panel);
  color: var(--accent-dark);
  box-shadow: 4px 6px 14px rgba(36, 31, 25, 0.08);
  z-index: 1;
}

.ai-mode-tabs button.is-active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  bottom: 9px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--accent);
}

.ai-tab-view {
  grid-column: auto;
  grid-row: 2;
  display: grid;
  gap: 8px;
  min-height: 0;
  overflow-y: auto;
  padding-right: 2px;
}

.ai-card h2 {
  margin-bottom: 4px;
  font-size: 0.9rem;
}

.ai-card textarea {
  min-height: 40px;
  padding: 7px;
  line-height: 1.45;
}

.writing-style-card,
.target-card {
  box-shadow: none;
}

.style-options,
.target-options,
.outline-field-list {
  display: grid;
  gap: 8px;
}

.style-options {
  grid-template-columns: repeat(3, 1fr);
}

.target-options {
  grid-template-columns: repeat(4, 1fr);
}

.outline-field-list {
  grid-template-columns: repeat(2, 1fr);
}

.style-options label,
.target-options label,
.outline-mode-list label,
.outline-field-list label {
  display: flex;
  align-items: center;
  gap: 4px;
  min-width: 0;
  min-height: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffefa;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 800;
  line-height: 1;
  white-space: nowrap;
  padding: 0 4px;
}

.style-options label:has(input:checked),
.target-options label:has(input:checked),
#outlineCreateMode:checked ~ .outline-mode-list label[for="outlineCreateMode"],
#outlineReviseMode:checked ~ .outline-mode-list label[for="outlineReviseMode"],
.outline-field-radio:nth-of-type(1):checked ~ .outline-field-list label[for="outlineThemeTab"],
.outline-field-radio:nth-of-type(2):checked ~ .outline-field-list label[for="outlineWorldTab"],
.outline-field-radio:nth-of-type(3):checked ~ .outline-field-list label[for="outlineConflictTab"],
.outline-field-radio:nth-of-type(4):checked ~ .outline-field-list label[for="outlineStructureTab"],
.outline-field-radio:nth-of-type(5):checked ~ .outline-field-list label[for="outlineDesireTab"],
.outline-field-radio:nth-of-type(6):checked ~ .outline-field-list label[for="outlineChapterCountTab"] {
  border-color: var(--accent);
  background: #f3e8de;
  color: var(--accent-dark);
}

.style-options input,
.target-options input {
  flex: 0 0 12px;
  width: 12px;
  height: 12px;
  accent-color: var(--accent);
}

.ai-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
}

.ai-actions .ai-status {
  grid-column: 1 / -1;
}

.local-model-card {
  display: grid;
  gap: 6px;
  margin-bottom: 0;
  border-radius: 8px 0 0 8px;
}

.local-model-card label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 800;
}

.local-model-card select {
  width: 100%;
}

.ai-status {
  margin: 0;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 800;
  line-height: 1.2;
}

.ai-chat-view {
  grid-column: auto;
  grid-row: 2;
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(92px, 20vh) auto minmax(0, 1fr) auto;
  gap: 8px;
}

.chat-toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px;
}

.chat-toolbar input {
  min-height: 34px;
}

.chat-toolbar button {
  min-height: 34px;
  padding: 0 10px;
}

.chat-list {
  display: grid;
  align-content: start;
  gap: 6px;
  min-height: 0;
  overflow-y: auto;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffefa;
}

.chat-list button {
  min-height: 34px;
  padding: 6px 8px;
  text-align: left;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.25;
}

.chat-list button.is-active {
  border-color: var(--accent);
  background: #f3e8de;
  color: var(--accent-dark);
}

.chat-current-title {
  min-height: 28px;
  padding: 4px 2px;
  color: var(--accent-dark);
  font-size: 0.86rem;
  font-weight: 900;
}

.chat-messages {
  display: grid;
  align-content: start;
  gap: 8px;
  min-height: 0;
  overflow-y: auto;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffefa;
}

.chat-message {
  display: grid;
  gap: 4px;
  padding: 8px;
  border-radius: 8px;
  background: #f6f2ea;
  white-space: pre-wrap;
  line-height: 1.55;
  font-size: 0.84rem;
}

.chat-message.is-user {
  background: #eef3ed;
}

.chat-message-role {
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 900;
}

.chat-input-area {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px;
  align-items: end;
}

.chat-input-area textarea {
  min-height: 76px;
  padding: 8px;
}

.chat-input-area button {
  min-width: 64px;
  min-height: 42px;
}

.context-tabs {
  display: grid;
  gap: 6px;
}

.context-tab-radio,
.outline-mode-radio,
.outline-field-radio {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.outline-builder-tabs {
  display: grid;
  gap: 6px;
}

.outline-mode-tabs {
  display: grid;
  gap: 0;
}

.outline-mode-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.outline-mode-list label {
  justify-content: center;
  min-height: 38px;
  border-radius: 8px 8px 0 0;
  background: #f6f2ea;
  font-size: 0.9rem;
  padding: 0 12px;
}

.context-tab-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.context-tab-list label {
  display: grid;
  place-items: center;
  min-height: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffefa;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.84rem;
  font-weight: 900;
  padding: 0 10px;
}

#contextCluesTab:checked ~ .context-tab-list label[for="contextCluesTab"],
#contextPeopleTab:checked ~ .context-tab-list label[for="contextPeopleTab"] {
  border-color: var(--accent);
  background: #f3e8de;
  color: var(--accent-dark);
}

.context-tab-panel {
  display: none;
}

.outline-field-panel {
  display: none;
}

.outline-mode-panel {
  display: none;
}

#contextCluesTab:checked ~ .context-clues-panel,
#contextPeopleTab:checked ~ .context-people-panel {
  display: block;
}

#outlineCreateMode:checked ~ .outline-create-panel,
#outlineReviseMode:checked ~ .outline-revise-panel {
  display: block;
}

#outlineCreateMode:checked ~ .outline-mode-list label[for="outlineCreateMode"],
#outlineReviseMode:checked ~ .outline-mode-list label[for="outlineReviseMode"] {
  border-bottom-color: #fffefa;
  background: #fffefa;
}

.outline-mode-panel {
  min-height: 0;
  border: 1px solid var(--line);
  border-top: 0;
  border-radius: 0 0 8px 8px;
  background: #fffefa;
  padding: 10px;
}

#outlineThemeTab:checked ~ .outline-theme-panel,
#outlineWorldTab:checked ~ .outline-world-panel,
#outlineConflictTab:checked ~ .outline-conflict-panel,
#outlineStructureTab:checked ~ .outline-structure-panel,
#outlineDesireTab:checked ~ .outline-desire-panel,
#outlineChapterCountTab:checked ~ .outline-chapter-count-panel {
  display: block;
}

.context-tab-panel textarea {
  min-height: 240px;
}

.outline-field-panel textarea {
  min-height: 372px;
}

.outline-revise-panel textarea {
  min-height: 420px;
}

.extra-info-card textarea {
  min-height: 144px;
}

.ai-status.is-error {
  color: var(--accent-dark);
}

.primary-action {
  border-color: var(--accent);
  background: var(--accent);
  color: white;
}

.ai-actions button {
  min-height: 32px;
}

.primary-action:hover {
  border-color: var(--accent-dark);
  background: var(--accent-dark);
  color: white;
}

.danger-action {
  border-color: #a93428;
  background: #a93428;
  color: white;
}

.danger-action:hover {
  border-color: #8f241b;
  background: #8f241b;
  color: white;
}

.settings-dialog,
.export-dialog,
.confirm-dialog,
.revision-dialog {
  width: min(1180px, calc(100vw - 32px));
  height: min(760px, calc(100vh - 32px));
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: transparent;
}

.export-dialog {
  width: min(460px, calc(100vw - 32px));
  height: auto;
  max-height: calc(100vh - 32px);
}

.confirm-dialog {
  width: min(380px, calc(100vw - 32px));
  height: auto;
  max-height: calc(100vh - 32px);
}

.settings-dialog {
  position: fixed;
  inset: auto;
  left: max(24px, calc((100vw - 720px) / 2));
  top: max(24px, calc((100vh - 560px) / 2));
  width: min(720px, calc(100vw - 32px));
  height: min(560px, calc(100vh - 32px));
  max-width: calc(100vw - 16px);
  max-height: calc(100vh - 16px);
  margin: 0;
  font-size: 0.9rem;
}

.revision-dialog {
  position: fixed;
  inset: auto;
  margin: 0;
  max-width: calc(100vw - 16px);
  max-height: calc(100vh - 16px);
}

.settings-dialog input,
.settings-dialog select,
.settings-dialog button {
  font-size: 0.84rem;
}

.settings-dialog .modal-header h2 {
  font-size: 1.1rem;
}

.settings-dialog .meta-label {
  font-size: 0.72rem;
}

.settings-titlebar {
  position: absolute;
  inset: 0 108px auto 0;
  height: 36px;
  cursor: move;
  user-select: none;
  z-index: 1;
}

.settings-dialog.is-maximized .settings-titlebar,
.settings-dialog.is-minimized .settings-titlebar {
  cursor: default;
}

.revision-titlebar {
  position: absolute;
  inset: 0 138px auto 0;
  height: 36px;
  cursor: move;
  user-select: none;
  z-index: 1;
}

.revision-dialog.is-maximized .revision-titlebar {
  cursor: default;
}

.settings-dialog.is-minimized {
  width: min(420px, calc(100vw - 32px));
  height: 44px;
  overflow: hidden;
}

.settings-dialog.is-minimized .modal-header,
.settings-dialog.is-minimized .settings-grid,
.settings-dialog.is-minimized .settings-actions {
  display: none;
}

.settings-dialog.is-maximized,
.revision-dialog.is-maximized {
  width: 100vw;
  height: 100vh;
  left: 0;
  top: 0;
  max-width: 100vw;
  max-height: 100vh;
}

.settings-dialog::backdrop,
.export-dialog::backdrop,
.confirm-dialog::backdrop,
.revision-dialog::backdrop {
  background: rgba(23, 26, 33, 0.56);
}

.export-shell,
.confirm-shell {
  display: grid;
  gap: 14px;
  padding: 18px;
  background: var(--paper);
  color: var(--ink);
}

.export-shell .modal-header,
.confirm-shell .modal-header {
  margin-bottom: 0;
}

.export-shell h2,
.export-shell h3,
.confirm-shell h2 {
  margin: 0;
}

.export-shell h2,
.confirm-shell h2 {
  font-size: 1.12rem;
}

.confirm-message {
  white-space: pre-line;
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.65;
}

#importForm,
#exportForm {
  gap: 18px;
}

.export-options {
  display: grid;
  gap: 8px;
}

.import-content-options {
  grid-template-columns: repeat(auto-fit, minmax(72px, max-content));
  column-gap: 14px;
}

.export-content-options {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.import-format-options,
.import-mode-options,
.export-format-options {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.import-source-options {
  grid-template-columns: repeat(2, minmax(0, 96px));
}

.import-content-options h3,
.import-source-options h3,
.import-format-options h3,
.import-mode-options h3,
.export-content-options h3,
.export-format-options h3 {
  grid-column: 1 / -1;
}

.import-content-options,
.import-source-options,
.import-format-options,
.import-mode-options,
.export-content-options,
.export-format-options {
  row-gap: 8px;
}

.import-format-options,
.import-source-options,
.import-mode-options,
.export-format-options,
#importForm .import-file-picker {
  padding-top: 14px;
  border-top: 1px solid rgba(172, 143, 116, 0.38);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.export-options h3 {
  color: var(--muted);
  font-size: 0.78rem;
}

.export-options label {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  min-height: 36px;
  padding: 8px 10px;
  border: 1px solid rgba(172, 143, 116, 0.45);
  border-radius: 8px;
  background: rgba(255, 252, 247, 0.68);
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 800;
}

.export-options input {
  width: 14px;
  height: 14px;
  accent-color: var(--accent);
}

#importForm .export-options label,
#exportForm .export-options label {
  min-height: auto;
  padding: 2px 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.import-file-picker {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
}

.import-file-picker input {
  width: 100%;
  min-height: 38px;
  padding: 8px;
  border: 1px solid rgba(172, 143, 116, 0.45);
  border-radius: 8px;
  background: rgba(255, 252, 247, 0.68);
  color: var(--ink);
  font-size: 0.86rem;
}

.import-complete-options {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  padding-top: 14px;
  border-top: 1px solid rgba(172, 143, 116, 0.38);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.import-complete-options[hidden] {
  display: none;
}

.import-complete-options h3 {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.import-complete-options label {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  min-height: 34px;
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 900;
}

.import-complete-options input {
  width: 14px;
  height: 14px;
  accent-color: var(--accent);
}

.import-progress {
  display: grid;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid rgba(172, 143, 116, 0.38);
  border-radius: 8px;
  background: rgba(255, 252, 247, 0.82);
}

.import-progress[hidden] {
  display: none;
}

.import-progress-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 900;
}

.import-progress progress {
  width: 100%;
  height: 12px;
  overflow: hidden;
  border: 0;
  border-radius: 999px;
  background: rgba(172, 143, 116, 0.22);
}

.import-progress progress::-webkit-progress-bar {
  border-radius: 999px;
  background: rgba(172, 143, 116, 0.22);
}

.import-progress progress::-webkit-progress-value {
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), #3f6b5f);
}

.import-progress progress::-moz-progress-bar {
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), #3f6b5f);
}

body.is-import-busy main,
body.is-import-busy .app-header {
  pointer-events: none;
  user-select: none;
  filter: grayscale(0.18);
}

body.is-import-busy main::after {
  position: fixed;
  inset: 0;
  z-index: 20;
  background: rgba(37, 31, 27, 0.18);
  content: "";
}

.export-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.export-close {
  min-width: 34px;
  width: 34px;
  padding: 0;
  font-size: 1rem;
}

.settings-shell,
.revision-shell {
  display: grid;
}

.settings-shell,
.revision-shell {
  position: relative;
}

.revision-shell {
  grid-template-columns: minmax(0, 1fr) 300px;
  height: 100%;
  min-height: 0;
  gap: 14px;
  padding: 42px 14px 14px;
  background: var(--paper);
  overflow: hidden;
}

.settings-shell {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: auto minmax(0, 1fr) auto;
  height: 100%;
  min-height: 100%;
  gap: 12px;
  padding: 44px 16px 14px;
  background: var(--paper);
  overflow: auto;
}

.settings-grid {
  display: grid;
  align-content: start;
  gap: 10px;
  min-height: 0;
}

.settings-grid label,
.settings-field {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
}

.settings-grid input,
.settings-grid select {
  width: 100%;
}

.color-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  justify-content: start;
}

.color-field {
  display: inline-grid;
  grid-template-columns: max-content 42px;
  align-items: center;
  justify-content: start;
  gap: 6px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
}

.path-picker {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 40px;
  gap: 8px;
}

.path-picker .icon-action {
  display: inline-grid;
  place-items: center;
  width: 40px;
  min-width: 40px;
  padding: 0;
}

.settings-grid input[type="color"] {
  justify-self: end;
  width: 42px;
  height: 28px;
  min-height: 28px;
  padding: 4px;
  cursor: pointer;
}

.settings-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  gap: 8px 10px;
}

.settings-actions button {
  flex: 0 0 auto;
  width: auto;
  min-width: 0;
  white-space: nowrap;
}

.settings-status {
  flex: 0 0 100%;
  min-width: 0;
  max-height: 44px;
  margin: 0;
  overflow: auto;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.settings-status.is-error {
  color: #b42318;
}

.settings-dialog.is-maximized .settings-shell {
  align-content: start;
}

.dialog-resize-handle {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 18px;
  height: 18px;
  cursor: nwse-resize;
}

.dialog-resize-handle::before {
  content: "";
  position: absolute;
  right: 5px;
  bottom: 5px;
  width: 9px;
  height: 9px;
  border-right: 2px solid rgba(102, 112, 133, 0.7);
  border-bottom: 2px solid rgba(102, 112, 133, 0.7);
}

.settings-dialog.is-maximized .dialog-resize-handle,
.settings-dialog.is-minimized .dialog-resize-handle,
.revision-dialog.is-maximized .dialog-resize-handle {
  display: none;
}

.revision-compare,
.revision-ai {
  min-height: 0;
  padding: 16px;
}

.revision-compare {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  overflow: hidden;
}

.window-controls {
  position: absolute;
  top: 0;
  right: 0;
  display: flex;
  height: 34px;
}

.window-controls button {
  display: grid;
  place-items: center;
  width: 46px;
  min-width: 46px;
  min-height: 34px;
  border: 0;
  border-left: 1px solid rgba(217, 222, 232, 0.85);
  border-radius: 0;
  background: transparent;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1;
  padding: 0;
}

.window-controls button:hover {
  background: #e8edf4;
  color: var(--ink);
}

.window-controls #closeRevision:hover {
  background: #c42b1c;
  color: white;
}

.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 0;
  overflow: hidden;
  gap: 12px;
}

.compare-column {
  display: flex;
  min-width: 0;
  min-height: 0;
  flex-direction: column;
  gap: 10px;
}

.revision-text {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffefa;
  padding: 14px;
  white-space: pre-wrap;
  overflow-wrap: break-word;
  word-break: break-word;
  tab-size: 2;
  line-height: 1.8;
  letter-spacing: 0;
}

.revision-editor-shell {
  position: relative;
  flex: 1;
  min-height: 0;
}

.revision-editor-shell .revision-text {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  scrollbar-gutter: stable;
}

.revision-diff-layer {
  overflow-x: hidden;
  overflow-y: scroll;
  color: transparent;
  pointer-events: none;
}

.revision-text.revised {
  overflow-x: hidden;
  overflow-y: scroll;
  border-color: transparent;
  background: transparent;
  color: var(--ink);
  caret-color: var(--ink);
}

.revision-editor-shell:not(.is-editing) .revision-diff-layer {
  color: var(--ink);
}

.revision-editor-shell:not(.is-editing) .revision-text.revised {
  color: transparent;
}

.revision-text.revised:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(159, 63, 52, 0.12);
}

.revision-text.revised::selection {
  background: #164f8f;
  color: #ffffff;
}

.revision-diff-layer mark {
  color: transparent;
  padding: 0;
}

.revision-editor-shell:not(.is-editing) .revision-diff-layer mark {
  color: inherit;
}

.revision-editor-shell:not(.is-editing) .revision-diff-layer mark.mark-selection {
  color: #ffffff;
}

.revision-text mark {
  border-radius: 4px;
  padding: 0 2px;
}

.mark-add {
  background: rgba(49, 116, 95, 0.18);
  color: var(--green);
}

.mark-change {
  background: rgba(53, 107, 154, 0.16);
  color: var(--blue);
}

.mark-original-change {
  background: rgba(159, 63, 52, 0.12);
  color: var(--accent-dark);
}

.mark-selection {
  border-radius: 3px;
  padding: 0 2px;
  background: #164f8f;
  color: #ffffff;
}

.revision-text.has-live-selection .mark-selection {
  background: transparent;
  color: inherit;
}

.mark-delete {
  background: rgba(159, 63, 52, 0.14);
  color: var(--accent-dark);
  text-decoration: line-through;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 12px;
}

.revision-ai {
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow-y: auto;
}

.revision-ai section {
  display: grid;
  gap: 8px;
}

.revision-goals {
  display: flex;
  flex-wrap: wrap;
  column-gap: 8px;
  row-gap: 5px;
}

.revision-goals label {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 calc(50% - 4px);
  min-width: 0;
  min-height: 0;
  padding: 0;
  font-size: 13px;
  line-height: 1.2;
  color: var(--muted);
}

.revision-goals label:has(input:checked) {
  color: var(--ink);
}

.revision-goals input[type="checkbox"] {
  flex: 0 0 12px;
  width: 12px;
  height: 12px;
  min-height: 0;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  accent-color: var(--accent);
}

.revision-goals input[type="checkbox"]:focus {
  box-shadow: none;
}

.revision-goals .custom-revision-goal {
  flex: 0 0 100%;
  display: flex;
  align-items: center;
  gap: 6px;
}

.custom-revision-goal span {
  flex: 0 0 auto;
}

.custom-revision-goal .revision-extra-input {
  flex: 1;
  min-width: 0;
}

.custom-revision-goal .revision-extra-input[hidden] {
  display: none;
}

.revision-ai select,
.revision-ai input[type="text"],
.revision-ai textarea {
  width: 100%;
}

.revision-extra-input {
  min-height: 34px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fffefa;
  color: var(--ink);
}

.revision-ai textarea {
  min-height: 132px;
  padding: 10px;
}

.toggle-stack label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-weight: 800;
}

@media (max-width: 1120px) {
  .studio-shell {
    grid-template-columns: 250px minmax(420px, 1fr);
  }

  .ai-panel {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 38px;
    grid-template-rows: minmax(0, 1fr);
    max-height: none;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .ai-actions {
    grid-column: 1 / -1;
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 780px) {
  .studio-shell,
  .revision-shell,
  .compare-grid {
    grid-template-columns: 1fr;
  }

  .library-panel,
  .ai-panel,
  .writing-panel {
    max-height: none;
  }

  .writing-panel {
    grid-template-rows: auto minmax(520px, 1fr) auto;
    padding: 12px;
  }

  .writing-panel.is-character-mode {
    grid-template-rows: minmax(520px, 1fr) auto;
  }

  .writing-panel.is-draft-mode {
    grid-template-rows: minmax(520px, 1fr) auto;
  }

  .ai-panel {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 38px;
    grid-template-rows: minmax(0, 1fr);
  }

  .section-heading,
  .modal-header,
  .modal-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .character-actions {
    justify-content: stretch;
  }

  .character-actions button {
    flex: 1;
  }

  .character-actions .icon-action {
    flex: 0 0 38px;
  }

  .character-table th {
    width: 96px;
  }

  .style-options,
  .target-options,
  .outline-field-list {
    grid-template-columns: 1fr;
  }

  .status-bar {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
    padding: 10px 12px;
  }

  .status-bar span:last-child {
    margin-left: 0;
  }

  .revision-dialog {
    width: 100vw;
    height: 100vh;
    max-height: 100vh;
  }
}