*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --ui-font-size: 16px;
}

html, body {
  height: 100%;
  overflow: hidden;
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
}

html {
  font-size: var(--ui-font-size);
}

body {
  background:  #121212;
  color: #d4d0c4;
  font-family: system-ui, sans-serif;
  font-size: var(--ui-font-size);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

button,
input,
select,
textarea {
  font: inherit;
}

:root {
  --editor-font-family: system-ui;
}

#app {
  max-width: 800px;
  margin: 0 auto;
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
}

#app[data-screen-width="high"] {
  max-width: 1100px;
}

#app[data-screen-width="full"] {
  max-width: none;
}

#topbar {
  display: flex;
  align-items: center;
  justify-content: center;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  padding: 14px 20px;
  border-bottom: 1px solid #2e2b22;
  min-height: 56px;
  z-index: 50;
  background: #121212;
  opacity: 1;
  transform: translateY(0);
  transition: opacity 320ms ease, transform 320ms ease;
}

#topbar.topbar-hidden {
  opacity: 0;
  transform: translateY(-12px);
  pointer-events: none;
}

#breadcrumb {
  font-size: 16px;
  color: #7a7668;
  display: flex;
  align-items: center;
  gap: 4px;
  user-select: none;
  overflow: hidden;
  white-space: nowrap;
  direction: rtl;
  text-align: center;
  justify-content: center;
  max-width: calc(100% - 60px);
}

#breadcrumb .bc-item,
#breadcrumb .bc-sep {
  unicode-bidi: embed;
  direction: ltr;
  -webkit-app-region: no-drag;
}

#breadcrumb .bc-item {
  cursor: pointer;
  color: #7a7668;
}

#breadcrumb .bc-item:hover {
  color: #c4a820;
}

#breadcrumb .bc-item.bc-current {
  color: #d4d0c4;
  cursor: default;
}

#breadcrumb .bc-item.bc-current:hover {
  color: #d4d0c4;
}

#breadcrumb .bc-sep {
  color: #4a4840;
  cursor: default;
  margin: 0 2px;
}

#topbar-actions {
   position: absolute;
   right: 16px;
   top: 50%;
   transform: translateY(-50%);
   display: flex;
   gap: 16px;
   align-items: center;
}

#view-title {
  display: none;
  flex-shrink: 0;
  margin-top: 12px;
  padding: 16px 16px 8px;
  color: #d4d0c4;
  font-family: var(--editor-font-family);
  font-size: 24px;
  font-weight: 600;
  line-height: 1.25;
  word-break: break-word;
  outline: none;
  cursor: text;
}

#view-title.visible {
  display: block;
}

.menu-sep {
  border: none;
  border-top: 1px solid #2e2b22;
  margin: 0;
}



#outliner {
  flex: 1;
  overflow-y: auto;
  padding: 60px 0 4px;
  contain: strict;
}

.node {
  display: flex;
  align-items: flex-start;
  padding: 4px 20px;
  min-height: 30px;
  cursor: pointer;
  border-left: 2px solid transparent;
  contain: layout style paint;
}

.node:hover {
  background: #1c1a16;
}

.node.selected {
  background: #1e1c14;
  border-left-color: #c4a820;
}

.node.multi-selected {
  background: #252215;
}

.node.multi-selected .node-text {
  color: #f0ead8;
}

.node-bullet {
  color: #c4a820;
  margin-right: 10px;
  flex-shrink: 0;
  user-select: none;
  min-width: 12px;
  text-align: center;
  cursor: pointer;
  padding-top: 1px;
}

.node-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  user-select: none;
  width: 22px;
  height: 22px;
  text-align: center;
  cursor: pointer;
  transform: translateY(4px);
}

.node-toggle img {
  width: 20px;
  height: 20px;
  display: block;
  pointer-events: none;
  opacity: 0.65;
  transition: transform 0.1s ease, opacity 0.1s ease;
}

.node-toggle:hover img {
  opacity: 1;
}

.node-toggle.collapsed img {
  transform: rotate(-90deg);
  opacity: 0.45;
}

.node-toggle.empty {
  cursor: default;
}

.node-text {
  flex: 1;
  outline: none;
  min-height: 1.35em;
  font-size: 16px;
  word-break: break-word;
  padding: 0 2px;
  cursor: text;
  font-family: var(--editor-font-family);
}

.node-text h1,
.node-text h2,
.node-text h3,
.node-text h4 {
  display: block;
  margin: 8px 0 4px;
  color: #f2f2f2;
  line-height: 1.25;
}

.node-text h1 {
  font-size: 1.8em;
}

.node-text h2 {
  font-size: 1.5em;
}

.node-text h3 {
  font-size: 1.25em;
}

.node-text h4 {
  font-size: 1.1em;
}

.node-text blockquote {
  display: block;
  margin: 6px 0;
  padding: 4px 12px;
  color: #bdb8aa;
  border-left: 3px solid #c4a820;
  background: #1c1a16;
  font-style: italic;
}

.node-link,
.external-link {
  color: #c4a820;
  text-decoration: underline;
  text-decoration-color: #c4a82080;
  cursor: pointer;
}

.node-link:hover,
.external-link:hover {
  color: #f0d75a;
}

.node-link-missing {
  color: #d97d7d;
  text-decoration-color: #d97d7d80;
}

#link-suggestions {
  display: none;
  position: fixed;
  min-width: 220px;
  max-width: min(360px, calc(100vw - 16px));
  max-height: 240px;
  overflow-y: auto;
  padding: 4px;
  background: #1c1a16;
  border: 1px solid #2e2b22;
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  z-index: 600;
}

#link-suggestions.open {
  display: block;
}

.link-suggestion {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 6px 8px;
  background: none;
  border: 0;
  border-radius: 5px;
  color: #d4d0c4;
  font: inherit;
  font-size: 12px;
  text-align: left;
  cursor: pointer;
}

.link-suggestion small {
  color: #7a7668;
}

.link-suggestion.active,
.link-suggestion:hover {
  background: #2e2b22;
}

.node.completed .node-text {
  text-decoration: line-through;
  color: #4a4840;
}

.node.completed .node-bullet {
  color: #4a4840;
}

.tag {
  display: inline-block;
  background: #1e1c14;
  color: #c4a820;
  border: 1px solid #c4a82040;
  border-radius: 6px;
  font-size: 11px;
  padding: 0 6px;
  margin: 0 1px;
  cursor: pointer;
  line-height: 1.5;
}

.tag:hover {
  background: #c4a82018;
  border-color: #c4a820;
}

strong {
  color: #d4d0c4;
  font-weight: bold;
}

em {
  color: #d4d0c4;
  font-style: italic;
}

del {
  color: #7a7668;
  text-decoration: line-through;
}

.code {
  display: inline-block;
  background: #1a1a1a;
  color: #c4a820;
  border: 1px solid #2e2b22;
  border-radius: 3px;
  padding: 2px 6px;
  font-family: "Sans", "Segoe UI";
  font-size: 12px;
  font-weight: normal;
}

#empty-state {
  text-align: center;
  color: #7a7668;
  padding: 48px 16px;
  font-size: 13px;
  user-select: none;
}

#search-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(26, 26, 26, 0.97);
  z-index: 100;
  flex-direction: column;
  padding: 48px 32px;
}

#search-overlay.open {
  display: flex;
}

#search-input {
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
  background: #1c1a16;
  color: #d4d0c4;
  border: 1px solid #2e2b22;
  border-radius: 6px;
  font-family: "Sans", "Segoe UI";
  font-size: 13px;
  padding: 8px 12px;
  outline: none;
  margin-bottom: 24px;
}

#search-input:focus {
  border-color: #3d3924;
}

#search-input::placeholder {
  color: #4a4840;
}

#search-results {
  flex: 1;
  overflow-y: auto;
  max-width: 600px;
  margin: 0 auto;
  width: 100%;
}

.search-result {
  padding: 6px 8px;
  cursor: pointer;
  border-radius: 6px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.search-result:hover {
  background: #1c1a16;
}

.search-result:focus {
  outline: none;
  background: #222018;
  border-left: 2px solid #c4a820;
  padding-left: 6px;
}

.search-result .sr-depth {
  color: #4a4840;
  font-size: 11px;
  min-width: 12px;
  text-align: right;
  flex-shrink: 0;
  padding-top: 1px;
}

.search-result .sr-text {
  flex: 1;
}

.search-result .hl {
  background: #1e1c14;
  color: #c4a820;
}

.search-result .sr-context {
  font-size: 11px;
  color: #4a4840;
  display: block;
  margin-top: 2px;
}

.search-empty {
  color: #7a7668;
  padding: 24px 8px;
  text-align: center;
  font-size: 11px;
}

#cheatsheet-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: #1a1a1a;
  z-index: 200;
  align-items: center;
  justify-content: center;
}

#cheatsheet-overlay.open {
  display: flex;
}

#cheatsheet-content {
  max-width: 600px;
  width: 100%;
  padding: 40px;
}

#cheatsheet-content h1 {
  font-size: 18px;
  font-weight: 700;
  color: #c4a820;
  margin-bottom: 28px;
  text-align: center;
}

.cheatsheet-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.cheatsheet-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 18px;
  border-bottom: 1px solid #2e2b22;
}

.cheatsheet-key {
  color: #c4a820;
  font-size: 15px;
  font-family: "Sans", "Segoe UI";
}

.cheatsheet-desc {
  color: #d4d0c4;
  font-size: 15px;
}

/* Scrollbar */
#outliner::-webkit-scrollbar,
#search-results::-webkit-scrollbar {
  width: 6px;
}

#outliner::-webkit-scrollbar-track,
#search-results::-webkit-scrollbar-track {
  background: transparent;
}

#outliner::-webkit-scrollbar-thumb,
#search-results::-webkit-scrollbar-thumb {
  background: #2e2b22;
  border-radius: 3px;
}



#menu-wrapper {
  position: relative;
}

#menu-btn {
  color: #7a7668;
  line-height: 1;
}

#menu-btn:hover {
  color: #d4d0c4;
}

#menu-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 4px;
  background: #1c1a16;
  border: 1px solid #2e2b22;
  border-radius: 6px;
  z-index: 300;
  min-width: 220px;
  overflow: hidden;
}

#menu-dropdown.open {
  display: block;
}

#menu-dropdown button {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: #d4d0c4;
  font-family: "Sans", "Segoe UI";
  font-size: 14px;
  padding: 10px 18px;
  cursor: pointer;
}

#menu-dropdown button i {
  margin-right: 6px;
  width: 14px;
  text-align: center;
}

#menu-dropdown button:hover {
  background: #222018;
}

#menu-dropdown .menu-icon {
  display: inline-block;
  width: 16px;
  text-align: center;
  visibility: hidden;
}

#menu-dropdown .menu-icon.active {
  visibility: visible;
}

#version-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(26, 26, 26, 0.97);
  z-index: 150;
  align-items: center;
  justify-content: center;
}

#version-overlay.open {
  display: flex;
}

#version-content {
  max-width: 600px;
  width: 100%;
  padding: 40px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
}

#version-content h1 {
  font-size: 18px;
  font-weight: 700;
  color: #c4a820;
  margin-bottom: 28px;
  text-align: center;
}

#version-list {
  flex: 1;
  overflow-y: auto;
  margin-bottom: 16px;
  border: 1px solid #2e2b22;
  border-radius: 6px;
}

.version-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid #2e2b22;
  cursor: pointer;
}

.version-item:last-child {
  border-bottom: none;
}

.version-item:hover {
  background: #1c1a16;
}

.version-item .v-time {
  color: #d4d0c4;
  font-size: 14px;
}

.version-item .v-info {
  color: #7a7668;
  font-size: 13px;
}

.version-item .v-restore {
  color: #c4a820;
  font-size: 13px;
  border: none;
  border-radius: 6px;
  background: #1e1c14;
  padding: 7px 12px;
  cursor: pointer;
  font-family: "Sans", "Segoe UI";
}

.version-item .v-restore:hover {
  background: #c4a82018;
}

#confirm-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(26, 26, 26, 0.97);
  z-index: 250;
  align-items: center;
  justify-content: center;
}

#confirm-overlay.open {
  display: flex;
}

#confirm-content {
  max-width: 400px;
  width: 100%;
  padding: 32px;
  text-align: center;
}

#confirm-msg {
  color: #d4d0c4;
  font-size: 12px;
  margin-bottom: 20px;
  line-height: 1.5;
}

#confirm-hint {
  color: #7a7668;
  font-size: 11px;
  line-height: 1.6;
}

.key-hint {
  display: inline-block;
  background: #1e1c14;
  color: #c4a820;
  border: 1px solid #c4a82040;
  border-radius: 4px;
  font-size: 10px;
  padding: 1px 6px;
  font-family: "Sans", "Segoe UI";
}

#settings-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(26, 26, 26, 0.97);
  z-index: 150;
  align-items: center;
  justify-content: center;
}

#settings-overlay.open {
  display: flex;
}

#settings-content {
  max-width: 520px;
  width: 100%;
  padding: 40px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
}

#settings-content h1 {
  font-size: 18px;
  font-weight: 700;
  color: #c4a820;
  margin-bottom: 28px;
  text-align: center;
}

#settings-body {
  flex: 1;
  overflow-y: auto;
  margin-bottom: 16px;
}

.settings-section {
  border: 1px solid #2e2b22;
  border-radius: 8px;
  margin-bottom: 16px;
}

.settings-section[open] {
  overflow: visible;
}

.settings-section > :last-child.std-tooltip-bottom::before {
  top: auto;
  bottom: calc(100% + var(--std-tooltip-gap));
  transform: translate(-50%, 4px);
}

.settings-section > :last-child.std-tooltip-bottom::after {
  top: auto;
  bottom: calc(100% + var(--std-tooltip-gap) - var(--std-tooltip-arrow));
  transform: translate(-50%, 4px);
  border-top-color: var(--std-tooltip-bg);
  border-bottom-color: transparent;
}

.settings-section > :last-child.std-tooltip-bottom:hover::before,
.settings-section > :last-child.std-tooltip-bottom:hover::after {
  transform: translate(-50%, 0);
}

.settings-section-title {
  list-style: none;
  cursor: pointer;
  user-select: none;
}

.settings-section-title::-webkit-details-marker {
  display: none;
}

.settings-section-title::after {
  content: '+';
  float: right;
  color: #7a7668;
  font-size: 14px;
  line-height: 1;
}

.settings-section[open] > .settings-section-title::after {
  content: '−';
}

.settings-control {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 50px;
  padding: 14px 18px;
  color: #d4d0c4;
  font-size: 14px;
}

.settings-control select {
  min-width: 180px;
  background: #1c1a16;
  color: #d4d0c4;
  border: 1px solid #2e2b22;
  border-radius: 6px;
  padding: 8px 10px;
  font: inherit;
}

.toggle-value {
  color: #7a7668;
  font-size: 10px;
  margin-left: auto;
}

.settings-section:last-child {
  margin-bottom: 0;
}

.settings-section-title {
  font-size: 12px;
  color: #7a7668;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 12px 18px;
  border-bottom: 1px solid #2e2b22;
}

.settings-btn {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  border-bottom: 1px solid #2e2b22;
  color: #d4d0c4;
  font-family: "Sans", "Segoe UI";
  font-size: 14px;
  padding: 14px 18px;
  cursor: pointer;
}

.settings-btn:last-child {
  border-bottom: none;
}

.settings-btn:hover {
  background: #1c1a16;
}

.settings-btn.std-btn-pill-outlined {
  width: calc(100% - 20px);
  margin: 10px;
  padding: 0 18px;
  min-height: 44px;
  text-align: left;
  background: transparent;
  border: 1.5px solid var(--std-border);
  border-radius: 9999px;
}

.settings-btn.std-btn-pill-outlined:hover {
  background: var(--std-hover-bg);
}

#settings-body::-webkit-scrollbar {
  width: 6px;
}

#settings-body::-webkit-scrollbar-track {
  background: transparent;
}

#settings-body::-webkit-scrollbar-thumb {
  background: #2e2b22;
  border-radius: 3px;
}

#version-list::-webkit-scrollbar {
  width: 6px;
}

#version-list::-webkit-scrollbar-track {
  background: transparent;
}

#version-list::-webkit-scrollbar-thumb {
  background: #2e2b22;
  border-radius: 3px;
}

#import-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(26, 26, 26, 0.97);
  z-index: 160;
  align-items: center;
  justify-content: center;
}

#import-overlay.open {
  display: flex;
}

#import-content {
  max-width: 400px;
  width: 100%;
  padding: 32px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
}

#import-content h1 {
  font-size: 15px;
  font-weight: 700;
  color: #c4a820;
  margin-bottom: 24px;
  text-align: center;
}

#import-body {
  flex: 1;
  overflow-y: auto;
  margin-bottom: 16px;
}

#import-mode-select {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

#import-mode-select button {
  background: #1c1a16;
  border: 1px solid #2e2b22;
  border-radius: 6px;
  color: #d4d0c4;
  font-family: "Sans", "Segoe UI";
  font-size: 11px;
  padding: 10px 16px;
  cursor: pointer;
}

#import-mode-select button:hover {
  background: #222018;
  border-color: #3d3924;
}

#import-mode-select .std-btn-pill-outlined {
  background: transparent;
  border: 1.5px solid var(--std-border);
  border-radius: 9999px;
  color: var(--std-fg);
}

#import-mode-select .std-btn-pill-outlined:hover {
  background: var(--std-hover-bg);
  border-color: var(--std-border);
}

#import-file-input {
  display: none;
}

#import-node-list {
  border: 1px solid #2e2b22;
  border-radius: 6px;
  overflow: hidden;
  max-height: 300px;
  overflow-y: auto;
}

.import-node-item {
  padding: 10px 16px;
  border-bottom: 1px solid #2e2b22;
  cursor: pointer;
  display: flex;
  align-items: center;
}

.import-node-item:last-child {
  border-bottom: none;
}

.import-node-item:hover {
  background: #1c1a16;
}

.import-node-item:focus {
  outline: none;
  background: #222018;
  border-left: 2px solid #c4a820;
  padding-left: 14px;
}

.import-node-text {
  color: #d4d0c4;
  font-size: 11px;
}

#import-close {
  display: block;
  width: 100%;
  background: none;
  border: none;
  border-radius: 6px;
  color: #7a7668;
  font-family: "Sans", "Segoe UI";
  font-size: 11px;
  padding: 6px 0;
  cursor: pointer;
}

#import-close:hover {
  color: #d4d0c4;
  background: #1c1a16;
}

#import-node-list::-webkit-scrollbar {
  width: 6px;
}

#import-node-list::-webkit-scrollbar-track {
  background: transparent;
}

#import-node-list::-webkit-scrollbar-thumb {
   background: #2e2b22;
   border-radius: 3px;
}

#sync-overlay {
   display: none;
   position: fixed;
   top: 0;
   left: 0;
   right: 0;
   bottom: 0;
   background: rgba(26, 26, 26, 0.97);
   z-index: 160;
   align-items: center;
   justify-content: center;
}

#sync-overlay.open {
   display: flex;
}

#sync-content {
   max-width: 400px;
   width: 100%;
   padding: 32px;
   display: flex;
   flex-direction: column;
}

#sync-content h1 {
   font-size: 15px;
   font-weight: 700;
   color: #c4a820;
   margin-bottom: 24px;
   text-align: center;
}

#sync-body {
   flex: 1;
   margin-bottom: 16px;
}

.sync-section {
   margin-bottom: 16px;
}

.sync-section label {
   display: block;
   color: #7a7668;
   font-size: 10px;
   text-transform: uppercase;
   letter-spacing: 1px;
   margin-bottom: 6px;
}

.sync-section input {
   display: block;
   width: 100%;
   background: #1c1a16;
   color: #d4d0c4;
   border: 1px solid #2e2b22;
   border-radius: 6px;
   font-family: "Sans", "Segoe UI";
   font-size: 11px;
   padding: 8px 12px;
   outline: none;
}

.sync-section input:focus {
   border-color: #3d3924;
}

.sync-section input::placeholder {
   color: #4a4840;
}

.sync-checkbox-section {
   display: flex;
   align-items: center;
   gap: 8px;
   margin-bottom: 16px;
   padding: 0 12px;
}

.sync-checkbox-section input[type="checkbox"] {
   width: 16px;
   height: 16px;
   cursor: pointer;
   accent-color: #c4a820;
}

.sync-checkbox-section label {
   color: #d4d0c4;
   font-size: 11px;
   cursor: pointer;
   margin: 0;
}

.sync-status {
   color: #7a7668;
   font-size: 11px;
   padding: 8px 12px;
   border: 1px solid #2e2b22;
   border-radius: 6px;
   background: #1c1a16;
   margin-bottom: 16px;
   min-height: 20px;
   display: flex;
   align-items: center;
}

.sync-status.success {
   color: #6ba82f;
   border-color: #6ba82f40;
}

.sync-status.error {
   color: #d97d7d;
   border-color: #d97d7d40;
}

#sync-buttons {
   display: flex;
   gap: 8px;
   margin-bottom: 16px;
}

.sync-action-btn {
   flex: 1;
}

.sync-action-btn:hover {
   color: var(--std-fg);
}

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

#action-bar {
  position: relative;
  left: auto;
  width: 100%;
  background: #1c1a16;
  border-top: 1px solid #2e2b22;
  padding: 12px 16px;
  display: none;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  min-height: 64px;
  flex-shrink: 0;
}

#action-bar.open {
  display: flex;
}

.action-btn {
  --std-size: 48px;
  --std-icon-size: 24px;
  color: #7a7668;
}

.action-sep {
  border: none;
  border-left: 1px solid #2e2b22;
  margin: 0 4px;
  height: 48px;
}

.toggle-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 50px;
  padding: 14px 18px;
  margin: 0;
  background: none;
  color: #d4d0c4;
  border: none;
  border-bottom: 1px solid #2e2b22;
  border-radius: 0;
  font-family: "Sans", "Segoe UI";
  font-size: 14px;
  cursor: pointer;
}

.toggle-btn:hover {
  background: #222018;
}

.toggle-label {
  flex: 1;
  text-align: left;
}

.toggle-switch {
  display: inline-block;
  width: 44px;
  height: 24px;
  background: #4a4840;
  border-radius: 12px;
  position: relative;
  margin-left: 16px;
  transition: background 0.2s;
}

.toggle-switch::before {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  background: #d4d0c4;
  border-radius: 50%;
  top: 2px;
  left: 2px;
  transition: left 0.2s;
}

.toggle-btn.active .toggle-switch {
  background: #c4a820;
}

.toggle-btn.active .toggle-switch::before {
  left: 22px;
}

/* mobile support */
@media (max-width: 480px) {
  #app {
    height: 100dvh;
  }

  body {
    position: fixed;
    width: 100%;
    height: 100%;
  }

  html {
    position: fixed;
    width: 100%;
    height: 100%;
  }

  #topbar {
    padding: 14px 12px;
    min-height: 56px;
  }

  #action-bar {
    min-height: 64px;
    padding: 12px 8px;
  }

  #outliner {
    padding: 60px 0 4px;
  }

  .node {
    padding: 6px 12px;
  }

  #search-overlay {
    padding: 16px 16px;
  }

  .search-result {
    padding: 8px 6px;
  }

  #cheatsheet-content,
  #version-content,
  #confirm-content,
  #settings-content,
  #import-content {
    padding: 24px 16px;
    max-width: calc(100vw - 32px);
  }
}

.context-menu {
  display: none;
  position: fixed;
  background: #1c1a16;
  border: 1px solid #2e2b22;
  border-radius: 6px;
  z-index: 400;
  min-width: 160px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.context-menu.open {
  display: block;
}

.context-menu-item {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: #d4d0c4;
  font-family: "Sans", "Segoe UI";
  font-size: 11px;
  padding: 6px 16px;
  cursor: pointer;
  border-bottom: 1px solid #2e2b22;
}

.context-menu-item:last-of-type {
  border-bottom: none;
}

.context-menu-item i {
  margin-right: 6px;
  width: 14px;
  text-align: center;
}

.context-menu-item:hover {
  background: #222018;
}

.context-menu-sep {
  border: none;
  border-top: 1px solid #2e2b22;
  margin: 0;
}

.context-menu-submenu {
  border-top: 1px solid #2e2b22;
  padding: 6px 0;
}

.context-menu-submenu .context-menu-item {
  padding-left: 28px;
  font-size: 10px;
}

/* image node styles */
.node-image {
  max-width: 100%;
  max-height: 200px;
  border-radius: 4px;
  cursor: pointer;
  margin: 4px 0;
  border: 1px solid #2e2b22;
  object-fit: contain;
}

#image-upload-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(26, 26, 26, 0.97);
  z-index: 170;
  align-items: center;
  justify-content: center;
}

#image-upload-overlay.open {
  display: flex;
}

#image-upload-content {
  max-width: 400px;
  width: 100%;
  padding: 32px;
  display: flex;
  flex-direction: column;
}

#image-upload-content h1 {
  font-size: 13px;
  font-weight: 700;
  color: #c4a820;
  margin-bottom: 24px;
  text-align: center;
}

.image-drop-zone {
  border: 2px dashed #2e2b22;
  border-radius: 6px;
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.image-drop-zone:hover {
  border-color: #c4a820;
  background: #1c1a16;
}

.image-drop-zone.dragover {
  border-color: #c4a820;
  background: #222018;
}

.image-drop-zone i {
  font-size: 32px;
  color: #7a7668;
}

.image-drop-zone p {
  color: #d4d0c4;
  font-size: 12px;
  margin: 0;
}

#image-fullscreen-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: 500;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

#image-fullscreen-overlay.open {
  display: flex;
}

#image-fullscreen-content {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

#image-fullscreen-container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 90vw;
  max-height: 80vh;
}

#fullscreen-image {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

#image-fullscreen-controls {
  display: flex;
  gap: 12px;
  justify-content: center;
}

#image-fullscreen-download,
#image-fullscreen-replace {
  min-width: 112px;
}

/* Shared modal surface and animation. */
.std-modal {
  position: relative;
  width: calc(100% - 32px);
  background: #1a1a1a;
  border: 1px solid #2e2b22;
  border-radius: 24px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
  transform: translateY(8px) scale(0.98);
  transition: transform 0.18s ease;
}

.std-modal-fullscreen {
  width: 100%;
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
}

/* Keep modal close controls compact and pinned to the dialog corner. */
.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  line-height: 1;
  z-index: 2;
}

#cheatsheet-overlay,
#version-overlay,
#confirm-overlay,
#settings-overlay,
#import-overlay,
#sync-overlay,
#image-upload-overlay {
  background: rgba(18, 18, 18, 0.72);
}

/* Animate dialogs and menus while keeping their layout behavior unchanged. */
#cheatsheet-overlay,
#version-overlay,
#confirm-overlay,
#settings-overlay,
#import-overlay,
#sync-overlay,
#image-upload-overlay {
  display: flex;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease, visibility 0.18s ease;
}

#cheatsheet-overlay.open,
#version-overlay.open,
#confirm-overlay.open,
#settings-overlay.open,
#import-overlay.open,
#sync-overlay.open,
#image-upload-overlay.open {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
}

#cheatsheet-overlay.open > *,
#version-overlay.open > *,
#confirm-overlay.open > *,
#settings-overlay.open > *,
#import-overlay.open > *,
#sync-overlay.open > *,
#image-upload-overlay.open > * {
  transform: translateY(0) scale(1);
}

#menu-dropdown,
.context-menu {
  display: block;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px) scale(0.98);
  transform-origin: top right;
  transition: opacity 0.14s ease, transform 0.14s ease, visibility 0.14s ease;
}

#menu-dropdown.open,
.context-menu.open {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

/* prevent ios rubber band effect */
html, body {
  touch-action: none;
}

#outliner {
  touch-action: pan-y;
}

@keyframes node-move-up {
  from {
    opacity: 0.65;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes node-move-down {
  from {
    opacity: 0.65;
    transform: translateY(-12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes view-zoom-in {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes view-zoom-out {
  from {
    opacity: 0;
    transform: translateY(-12px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.node.node-move-up {
  animation: node-move-up 0.22s ease-out both;
}

.node.node-move-down {
  animation: node-move-down 0.22s ease-out both;
}

#outliner.render-zoom-in #view-title,
#outliner.render-zoom-in .node {
  animation: view-zoom-in 0.22s ease-out both;
}

#outliner.render-zoom-out #view-title,
#outliner.render-zoom-out .node {
  animation: view-zoom-out 0.22s ease-out both;
}

.media-embed,
.social-embed {
  display: inline-flex;
  vertical-align: middle;
  align-items: center;
  max-width: 100%;
  border: 1px solid #2e2b22;
  border-radius: 8px;
  overflow: hidden;
  background: #1c1a16;
}

.media-embed-youtube iframe {
  display: block;
  width: min(480px, 80vw);
  aspect-ratio: 16 / 9;
  border: 0;
}

.social-embed {
  padding: 6px 10px;
  color: #d4d0c4;
  text-decoration: none;
  font-size: 12px;
}

.social-embed:hover {
  border-color: #c4a820;
  color: #f0d75a;
}

/* ensure action bar stays at bottom on mobile */
@supports (height: 100dvh) {
  @media (max-height: 500px) {
    #app {
      height: 100dvh;
    }
  }
}