:root {
  color-scheme: light;
  --ink: #17202f;
  --muted: #6f7785;
  --line: #dce2ea;
  --paper: #ffffff;
  --canvas: #ffffff;
  --soft: #f8fafc;
  --accent: #2B7FD8;
  --brush-color: #2B7FD8;
  --text-bg-brush-color: #F4D758;
  --control-bg: #fbfcfe;
  --control-text: #263140;
  --popover-bg: #ffffff;
  --preview-bg: #ffffff;
  --preview-mask: #ffffff;
  --active-bg: #2B7FD8;
  --active-text: #ffffff;
  --active-border: #2B7FD8;
  --primary-bg: #2B7FD8;
  --primary-text: #ffffff;
  --guide-bg: #f8fafc;
  --guide-text: #4b5565;
  --avatar-bg: #eef6e6;
  --thumb-bg: #eef1f5;
  --crop-stage-bg: #111827;
  --crop-canvas-bg: #0b1020;
  --modal-overlay: rgba(15, 23, 42, 0.44);
  --shadow-soft: 0 10px 18px rgba(23, 32, 47, 0.05);
  --shadow-popover: 0 18px 50px rgba(23, 32, 47, 0.18);
  --shadow-card: 0 18px 46px rgba(23, 32, 47, 0.16);
  --focus-ring: rgba(23, 32, 47, 0.14);
  --green: #1f8a63;
  --coral: #e55d42;
  --shadow: 0 18px 50px rgba(23, 32, 47, 0.12);
}

:root[data-ui-theme="dark"] {
  color-scheme: dark;
  --ink: #f8fafc;
  --muted: #b6becb;
  --line: #3a3a3a;
  --paper: #151515;
  --canvas: #0b0b0b;
  --soft: #1d1d1d;
  --accent: #ffffff;
  --control-bg: #171717;
  --control-text: #f8fafc;
  --popover-bg: #121212;
  --preview-bg: #0b0b0b;
  --preview-mask: #0b0b0b;
  --active-bg: #ffffff;
  --active-text: #050505;
  --active-border: #ffffff;
  --primary-bg: #ffffff;
  --primary-text: #050505;
  --guide-bg: #1b1b1b;
  --guide-text: #d8dee8;
  --avatar-bg: #202020;
  --thumb-bg: #262626;
  --crop-stage-bg: #020617;
  --crop-canvas-bg: #020617;
  --modal-overlay: rgba(0, 0, 0, 0.72);
  --shadow-soft: 0 10px 18px rgba(0, 0, 0, 0.38);
  --shadow-popover: 0 18px 50px rgba(0, 0, 0, 0.55);
  --shadow-card: 0 18px 46px rgba(0, 0, 0, 0.46);
  --focus-ring: rgba(255, 255, 255, 0.18);
}

[hidden] {
  display: none !important;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow: hidden;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--canvas);
}

button,
input,
textarea {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.42;
}

.workspace {
  display: grid;
  grid-template-columns: var(--history-width-collapsed, 48px) 6px minmax(360px, var(--editor-width, 500px)) 6px minmax(360px, 1fr);
  height: 100vh;
}

.workspace.history-open {
  grid-template-columns: var(--history-width, 260px) 6px minmax(360px, var(--editor-width, 500px)) 6px minmax(360px, 1fr);
}

.site-credit {
  position: fixed;
  right: 18px;
  bottom: 14px;
  z-index: 20;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  gap: 3px 8px;
  max-width: min(680px, calc(100vw - 36px));
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  box-shadow: var(--shadow-soft);
  font-size: 12px;
  font-weight: 750;
  line-height: 1.35;
  letter-spacing: 0;
}

.site-credit a {
  color: var(--accent);
  text-decoration: none;
  text-underline-offset: 2px;
}

.site-credit a:hover,
.site-credit a:focus-visible {
  text-decoration: underline;
}

.site-credit-source {
  color: var(--muted);
}

.history-sidebar,
.editor-panel,
.preview-panel {
  min-height: 0;
  overflow: auto;
}

.history-sidebar {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: var(--paper);
  border-right: 1px solid var(--line);
}

.history-sidebar.open {
  width: 100%;
}

.history-tab {
  position: absolute;
  top: 18px;
  left: 8px;
  z-index: 2;
  width: 32px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--control-text);
  background: var(--control-bg);
}

.history-sidebar.open .history-tab {
  display: none;
}

.history-tab svg {
  width: 18px;
  height: 18px;
}

.history-drawer {
  display: grid;
  grid-template-rows: auto auto auto minmax(0, 1fr);
  gap: 10px;
  width: var(--history-width, 260px);
  height: 100%;
  padding: 18px 12px;
  opacity: 0;
  pointer-events: none;
  transform: translateX(-8px);
  transition: opacity 120ms ease, transform 160ms ease;
}

.history-sidebar.open .history-drawer {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0);
}

.panel-resizer {
  position: relative;
  z-index: 4;
  width: 6px;
  min-width: 6px;
  padding: 0;
  border-radius: 0;
  background: transparent;
  cursor: col-resize;
  align-self: stretch;
  touch-action: none;
}

.panel-resizer::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 2px;
  width: 1px;
  background: var(--line);
  transition: background 120ms ease, width 120ms ease, left 120ms ease;
}

.panel-resizer:hover::after,
.panel-resizer.active::after {
  left: 1px;
  width: 3px;
  background: var(--active-bg);
}

body.resizing-panels {
  cursor: col-resize;
  user-select: none;
}

body.resizing-panels iframe,
body.resizing-panels canvas,
body.resizing-panels textarea {
  pointer-events: none;
}

.editor-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: visible;
  background: var(--paper);
  border-right: 1px solid var(--line);
  padding: 18px;
}

body[data-guide-readonly="true"] .mode-switch,
body[data-guide-readonly="true"] .brand-actions button:not(#newProjectBtn),
body[data-guide-readonly="true"] .editor-controls {
  pointer-events: none;
  opacity: 0.52;
}

body[data-guide-readonly="true"] .editor-textarea {
  border-style: dashed;
  color: var(--guide-text);
  background: var(--guide-bg);
  cursor: default;
}

body[data-guide-readonly="true"] .editor-textarea:focus {
  box-shadow: none;
}

.brand-row,
.brand-actions,
.preview-topbar,
.toolbar,
.topbar-actions {
  display: flex;
  align-items: center;
}

.brand-row {
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 0;
}

.brand-title {
  flex: 1 1 170px;
  min-width: 170px;
}

.brand-actions {
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.mode-switch {
  display: inline-grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--control-bg);
}

.mode-switch button {
  height: 34px;
  border-radius: 6px;
  padding: 0 12px;
  color: var(--muted);
  background: transparent;
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.mode-switch button.active {
  color: var(--active-text);
  background: var(--active-bg);
}

.header-mode-button,
.convert-mode-button {
  height: 42px;
  padding-inline: 11px;
}

.brand-row h1,
.preview-topbar h2 {
  margin: 0;
  line-height: 1.05;
  letter-spacing: 0;
}

.brand-row h1 {
  font-size: 22px;
  white-space: nowrap;
}

.brand-english {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.15;
  white-space: nowrap;
}

.brand-row p,
.preview-topbar span {
  display: block;
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.history-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--control-text);
  font-size: 13px;
  font-weight: 800;
}

.history-note {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.history-filter {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.history-filter button {
  min-height: 28px;
  border-radius: 6px;
  color: var(--muted);
  background: transparent;
  font-size: 12px;
  font-weight: 800;
}

.history-filter button.active {
  color: var(--active-text);
  background: var(--active-bg);
}

.history-list {
  display: grid;
  gap: 8px;
  align-content: start;
  overflow-y: auto;
  padding-right: 2px;
}

.history-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 32px;
  gap: 6px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 4px;
  color: var(--control-text);
  background: var(--control-bg);
  text-align: left;
}

.history-item.active {
  border-color: var(--active-border);
  background: var(--active-bg);
  color: var(--active-text);
}

.history-item.built-in {
  border-style: dashed;
}

.history-item span,
.history-item small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.history-item span {
  font-size: 13px;
  font-weight: 760;
}

.history-item small {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 11px;
}

.history-item small b {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  min-height: 18px;
  padding: 0 6px;
  border-radius: 999px;
  color: var(--active-text);
  background: var(--active-bg);
  font-size: 10px;
  font-weight: 850;
  line-height: 18px;
}

.history-item.active small {
  color: currentColor;
  opacity: 0.72;
}

.history-item.active small b {
  color: var(--active-bg);
  background: var(--active-text);
}

.history-empty {
  padding: 12px 10px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: var(--control-bg);
  font-size: 12px;
  font-weight: 700;
  text-align: center;
}

.history-open {
  display: grid;
  gap: 4px;
  min-width: 0;
  padding: 6px;
  color: inherit;
  background: transparent;
  text-align: left;
  justify-content: stretch;
}

.history-delete {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  color: currentColor;
  background: transparent;
  opacity: 0.62;
}

.history-delete:hover {
  background: rgba(239, 68, 68, 0.12);
  color: #ef4444;
  opacity: 1;
}

.history-delete svg {
  width: 16px;
  height: 16px;
}

.history-lock {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  color: currentColor;
  opacity: 0.5;
}

.history-lock svg {
  width: 15px;
  height: 15px;
}

.panel-section {
  border-top: 1px solid var(--line);
  padding: 18px 0;
}

.editor-controls {
  position: relative;
  z-index: 8;
  display: grid;
  gap: 10px;
  padding: 10px 0 12px;
  border-top: 1px solid var(--line);
}

.section-title {
  margin-bottom: 12px;
  color: var(--control-text);
  font-size: 13px;
  font-weight: 800;
}

.toolbar {
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 0;
}

.tool-button,
.icon-button,
.secondary-button,
.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease, color 120ms ease;
}

.tool-button {
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  background: var(--soft);
  color: var(--control-text);
  font-size: 13px;
  font-weight: 760;
  position: relative;
}

.tool-button:hover,
.secondary-button:hover,
.primary-button:hover,
.icon-button:hover {
  transform: translateY(-1px);
}

.tool-button svg,
.secondary-button svg,
.primary-button svg,
.icon-button svg {
  width: 18px;
  height: 18px;
}

.file-tool input,
.avatar-picker input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.color-tool,
.bg-color-tool {
  overflow: hidden;
}

.color-tool::after,
.bg-color-tool::after {
  content: "";
  position: absolute;
  inset: auto 7px 6px;
  height: 3px;
  border-radius: 2px;
}

.color-tool::after {
  background: var(--brush-color);
}

.bg-color-tool::after {
  background: var(--text-bg-brush-color);
}

textarea {
  width: 100%;
  flex: 1;
  min-height: 0;
  resize: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 15px;
  color: var(--ink);
  background: var(--control-bg);
  line-height: 1.65;
  outline: 0;
}

.editor-textarea {
  height: auto;
  min-height: 360px;
}

.editor-source-note {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

textarea:focus,
input:focus,
select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

input[type="text"],
input[type="number"],
select {
  width: 100%;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 11px;
  color: var(--ink);
  background: var(--control-bg);
  outline: 0;
}

select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--muted) 50%),
    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position:
    calc(100% - 16px) 16px,
    calc(100% - 10px) 16px;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 28px;
}

input[type="color"] {
  width: 100%;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 3px;
  background: var(--control-bg);
}

.compact-input {
  min-width: 0;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 10px;
  color: var(--ink);
  background: var(--control-bg);
  outline: 0;
}

.profile-inline {
  display: grid;
  grid-template-columns: 42px minmax(110px, 1.2fr) minmax(96px, 1fr) 36px;
  gap: 8px;
  align-items: center;
}

body[data-app-mode="article"] .profile-inline {
  display: none;
}

.two-col,
.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.wide {
  grid-column: 1 / -1;
}

.profile-grid {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 14px;
  align-items: start;
}

.avatar-picker {
  position: relative;
  display: block;
  width: 74px;
  height: 74px;
  border: 1px solid var(--line);
  border-radius: 50%;
  overflow: hidden;
  cursor: pointer;
  background: var(--avatar-bg);
}

.profile-inline .avatar-picker {
  width: 42px;
  height: 42px;
}

.avatar-picker img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-fields {
  display: grid;
  gap: 10px;
}

.tool-menu {
  position: relative;
}

.tool-menu summary {
  list-style: none;
}

.tool-menu summary::-webkit-details-marker {
  display: none;
}

.tool-menu[open] > summary {
  border-color: var(--active-border);
  color: var(--active-text);
  background: var(--active-bg);
}

.tool-button.active {
  border-color: var(--active-border);
  color: var(--active-text);
  background: var(--active-bg);
}

.secondary-button.active {
  border-color: var(--active-border);
  color: var(--active-text);
  background: var(--active-bg);
}

.tool-popover {
  position: absolute;
  top: 44px;
  left: 0;
  right: auto;
  z-index: 30;
  width: min(370px, calc(100vw - 36px));
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--popover-bg);
  box-shadow: var(--shadow-popover);
}

.search-popover,
.settings-popover {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.color-popover {
  display: grid;
  gap: 12px;
  width: 280px;
}

.color-guide {
  display: grid;
  gap: 5px;
  padding: 10px 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--guide-text);
  background: var(--guide-bg);
}

.color-guide strong {
  color: var(--ink);
  font-size: 13px;
}

.color-guide span {
  font-size: 12px;
  line-height: 1.5;
}

.color-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.image-popover {
  width: min(420px, calc(100vw - 36px));
  max-height: 330px;
  overflow: auto;
}

.obsidian-import-popover {
  display: grid;
  gap: 10px;
  width: min(430px, calc(100vw - 36px));
}

.obsidian-import-heading {
  display: grid;
  gap: 4px;
}

.obsidian-import-heading strong {
  color: var(--ink);
  font-size: 14px;
}

.obsidian-import-heading span {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.obsidian-direct-paste-hint {
  margin: 0;
  padding: 10px 11px;
  border-left: 3px solid var(--accent);
  color: var(--control-text);
  background: color-mix(in srgb, var(--accent) 8%, var(--soft));
  font-size: 12px;
  font-weight: 650;
  line-height: 1.55;
}

.obsidian-vault-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 9px;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.obsidian-vault-row .secondary-button {
  min-height: 34px;
  padding: 0 10px;
  white-space: nowrap;
}

.obsidian-vault-row span {
  overflow: hidden;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.4;
  text-overflow: ellipsis;
}

.obsidian-vault-row.is-connected {
  border-color: color-mix(in srgb, var(--accent) 46%, var(--line));
}

.image-batch-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 10px;
  align-items: end;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.percent-input,
.unit-input {
  position: relative;
  display: block;
}

.percent-input input,
.unit-input input {
  padding-right: 34px;
}

.percent-input b,
.unit-input b {
  position: absolute;
  top: 50%;
  right: 12px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1;
  transform: translateY(-50%);
  pointer-events: none;
}

.image-list {
  display: grid;
  gap: 10px;
}

.image-row {
  display: grid;
  grid-template-columns: 54px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--control-bg);
}

.image-thumb {
  width: 54px;
  height: 42px;
  border-radius: 6px;
  object-fit: cover;
  background: var(--thumb-bg);
}

.image-meta {
  min-width: 0;
}

.image-meta strong,
.image-meta span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.image-meta strong {
  color: var(--control-text);
  font-size: 13px;
  font-weight: 650;
}

.image-meta span {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.image-row-actions {
  display: flex;
  gap: 6px;
}

.image-row-actions button {
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--control-text);
  background: var(--control-bg);
}

.secondary-button,
.primary-button {
  height: 38px;
  gap: 8px;
  padding: 0 12px;
  white-space: nowrap;
  font-size: 13px;
  font-weight: 800;
}

.secondary-button {
  border: 1px solid var(--line);
  color: var(--control-text);
  background: var(--control-bg);
}

.primary-button,
.icon-button.dark {
  color: var(--primary-text);
  background: var(--primary-bg);
}

.primary-button {
  padding-inline: 15px;
}

.icon-button {
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  color: var(--control-text);
  background: var(--control-bg);
}

.icon-button.ghost {
  border: 1px solid var(--line);
  color: var(--control-text);
  background: var(--control-bg);
}

.preview-panel {
  padding: 24px 28px 40px;
  background: var(--preview-bg);
}

.preview-topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  justify-content: space-between;
  gap: 18px;
  margin: -24px -28px 24px;
  padding: 24px 28px 20px;
  border-bottom: 1px solid var(--line);
  background: var(--preview-mask);
  box-shadow: var(--shadow-soft);
}

.preview-topbar::before,
.preview-topbar::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  pointer-events: none;
  background: var(--preview-mask);
}

.preview-topbar::before {
  top: -120px;
  height: 120px;
}

.preview-topbar::after {
  bottom: -24px;
  height: 24px;
}

.preview-topbar h2 {
  font-size: 22px;
}

.topbar-actions {
  gap: 10px;
}

.preview-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: start;
}

.pages {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  padding-top: 28px;
  align-items: start;
}

.pages.article-mode {
  display: flex;
  justify-content: center;
  padding: 36px 28px 54px;
}

.article-settings {
  position: sticky;
  top: 118px;
  display: grid;
  gap: 20px;
  width: 260px;
  max-height: calc(100vh - 150px);
  overflow: auto;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: var(--shadow-soft);
}

.article-settings[hidden] {
  display: none;
}

.article-settings section {
  display: grid;
  gap: 10px;
}

.article-settings h3 {
  margin: 0;
  color: var(--ink);
  font-size: 14px;
}

.article-option-grid,
.article-color-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.article-option-grid.three {
  grid-template-columns: repeat(3, 1fr);
}

.article-option,
.article-color {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--control-text);
  background: var(--control-bg);
  font-size: 13px;
  font-weight: 800;
}

.article-option.active,
.article-color.active {
  border-color: var(--active-border);
  box-shadow: inset 0 0 0 1px var(--active-border);
}

.article-color {
  position: relative;
  justify-content: flex-start;
  padding-left: 28px;
  text-align: left;
}

.article-color::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 50%;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--swatch);
  transform: translateY(-50%);
}

.article-preview {
  width: min(520px, 100%);
  min-height: 820px;
  padding: 44px 42px 56px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #1f2937;
  background: #fff;
  box-shadow: var(--shadow-card);
  font-family: var(--article-font, Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif);
  line-height: 2;
}

.article-font-serif {
  --article-font: Georgia, "Times New Roman", "Songti SC", SimSun, serif;
}

.article-font-mono {
  --article-font: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.article-size-small {
  font-size: 15px;
}

.article-size-normal {
  font-size: 17px;
}

.article-size-large {
  font-size: 19px;
}

.article-preview h1,
.article-preview h2,
.article-preview h3,
.article-preview p,
.article-preview blockquote,
.article-preview ul,
.article-preview pre,
.article-preview figure,
.article-table-wrap {
  margin: 0 0 24px;
}

.article-preview h1 {
  position: relative;
  padding-bottom: 14px;
  color: #111827;
  font-size: 1.45em;
  line-height: 1.35;
  text-align: center;
}

.article-preview h1::after {
  content: "";
  position: absolute;
  left: 18%;
  right: 18%;
  bottom: 0;
  height: 2px;
  background: var(--article-accent);
}

.article-preview h2 {
  display: table;
  margin-top: 34px;
  padding: 3px 8px;
  color: var(--article-accent);
  background: var(--article-accent-soft, rgba(15, 118, 110, 0.14));
  font-size: 1.16em;
  line-height: 1.45;
}

.article-preview h3 {
  color: var(--article-accent);
  font-size: 1.02em;
}

.article-preview p {
  letter-spacing: 0;
}

.article-blank-line {
  height: var(--article-blank-gap, 26px);
}

.article-preview strong {
  background: var(--article-accent-highlight, rgba(15, 118, 110, 0.18));
  font-weight: 800;
}

.article-preview blockquote {
  position: relative;
  padding: 5px 0 5px 24px;
  color: #273445;
  background: transparent;
  font-style: normal;
}

.article-preview blockquote::before {
  position: absolute;
  top: 5px;
  bottom: 5px;
  left: 0;
  width: 4px;
  border-radius: 999px;
  background: var(--article-accent-guide, rgba(15, 118, 110, 0.28));
  content: "";
}

.article-preview code {
  padding: 2px 5px;
  border-radius: 4px;
  color: #d92d20;
  background: #f6f7f9;
  font-family: "SFMono-Regular", Consolas, monospace;
}

.article-preview pre {
  overflow: auto;
  padding: 18px;
  border-radius: 8px;
  color: #dbeafe;
  background: #0b1117;
}

.article-preview pre code {
  padding: 0;
  color: inherit;
  background: transparent;
}

.article-preview img {
  display: block;
  max-width: 100%;
  border-radius: 8px;
}

.article-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--article-accent-border, rgba(15, 118, 110, 0.26));
  border-radius: 8px;
}

.article-preview table {
  width: 100%;
  min-width: 360px;
  border-collapse: collapse;
  font-size: 0.88em;
  line-height: 1.55;
}

.article-preview th,
.article-preview td {
  padding: 10px 12px;
  border-right: 1px solid #e4e8ee;
  border-bottom: 1px solid #e4e8ee;
  text-align: left;
  vertical-align: top;
}

.article-preview th:last-child,
.article-preview td:last-child {
  border-right: 0;
}

.article-preview tbody tr:last-child td {
  border-bottom: 0;
}

.article-preview th {
  color: var(--article-accent);
  background: var(--article-accent-table, rgba(15, 118, 110, 0.11));
  font-weight: 800;
}

.article-theme-classic {
  --article-accent: #145da0;
}

.article-theme-elegant {
  background: #fffdf8;
}

.article-theme-clean {
  box-shadow: none;
}

.article-theme-colorful h2:nth-of-type(3n + 1) {
  color: #2563eb;
}

.article-theme-colorful h2:nth-of-type(3n + 2) {
  color: #dc2626;
}

.article-empty {
  color: #94a3b8;
  text-align: center;
}

.pages.scroll-mode {
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.page-shell {
  display: grid;
  gap: 10px;
}

.pages.scroll-mode .page-shell {
  width: min(620px, 100%, calc((100vh - 220px) * 0.75));
  min-width: 360px;
}

.page-frame {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--paper);
  box-shadow: var(--shadow-card);
}

.page-frame.scrollable {
  cursor: ns-resize;
}

.page-frame canvas {
  display: block;
  width: 100%;
  height: auto;
}

.preview-hit-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.preview-image-edit-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.preview-image-box {
  position: absolute;
  border: 1px solid transparent;
  border-radius: 8px;
  pointer-events: auto;
}

.preview-image-box:hover,
.preview-image-box:focus-within,
.preview-image-box.is-resizing {
  border-color: var(--active-border);
  background: rgba(37, 99, 235, 0.06);
}

.preview-image-align {
  position: absolute;
  top: 8px;
  left: 50%;
  display: flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--popover-bg);
  box-shadow: var(--shadow-soft);
  opacity: 0;
  transform: translateX(-50%) translateY(-4px);
  transition: opacity 120ms ease, transform 120ms ease;
  pointer-events: auto;
}

.preview-image-box:hover .preview-image-align,
.preview-image-box:focus-within .preview-image-align,
.preview-image-box.is-resizing .preview-image-align {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.preview-image-align button {
  display: inline-flex;
  width: 24px;
  height: 22px;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  color: var(--control-text);
  background: transparent;
}

.preview-image-align button:hover {
  color: var(--active-text);
  background: var(--active-bg);
}

.preview-image-align svg {
  width: 15px;
  height: 15px;
}

.preview-image-resize {
  position: absolute;
  right: -8px;
  bottom: -8px;
  width: 20px;
  height: 20px;
  border: 2px solid var(--paper);
  border-radius: 999px;
  background: var(--active-border);
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.22);
  cursor: nwse-resize;
  pointer-events: auto;
}

.preview-text-hit {
  position: absolute;
  padding: 0;
  border: 0;
  border-radius: 4px;
  background: transparent;
  cursor: text;
  pointer-events: auto;
}

.preview-text-hit:hover,
.preview-text-hit:focus-visible {
  outline: 1px solid var(--active-border);
  background: rgba(37, 99, 235, 0.13);
}

.page-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.page-actions button {
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--control-text);
  background: var(--control-bg);
}

.empty-state {
  padding: 48px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  background: var(--soft);
  color: var(--muted);
  font-weight: 700;
  text-align: center;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--modal-overlay);
}

.modal.hidden {
  display: none;
}

.modal-card {
  width: min(1060px, 100%);
  max-height: min(760px, calc(100vh - 48px));
  display: grid;
  grid-template-rows: auto 1fr;
  overflow: hidden;
  border-radius: 8px;
  background: var(--popover-bg);
  box-shadow: var(--shadow-popover);
}

.image-preview-card {
  width: min(980px, 100%);
  max-height: calc(100vh - 48px);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  overflow: hidden;
  border-radius: 10px;
  background: var(--popover-bg);
  box-shadow: var(--shadow-popover);
}

.image-preview-stage {
  min-height: 0;
  overflow: auto;
  padding: 24px;
  background: var(--crop-stage-bg);
  text-align: center;
}

.image-preview-stage img {
  display: block;
  width: min(100%, 648px);
  height: auto;
  margin: 0 auto;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 12px 36px rgba(23, 32, 47, 0.18);
}

.image-preview-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 20px;
  border-top: 1px solid var(--line);
}

.image-preview-actions button:disabled {
  cursor: not-allowed;
  opacity: 0.4;
}

.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}

.modal-head h3 {
  margin: 0;
  color: var(--ink);
  font-size: 19px;
  line-height: 1.2;
}

.modal-head p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.crop-layout {
  display: grid;
  grid-template-columns: 1fr 220px;
  min-height: 0;
}

.crop-stage {
  min-width: 0;
  padding: 18px;
  background: var(--crop-stage-bg);
}

#cropCanvas {
  display: block;
  width: 100%;
  height: min(500px, calc(100vh - 220px));
  border-radius: 8px;
  background: var(--crop-canvas-bg);
  cursor: crosshair;
}

.crop-controls {
  display: grid;
  align-content: space-between;
  gap: 20px;
  padding: 18px;
  border-left: 1px solid var(--line);
  background: var(--control-bg);
}

.ratio-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.ratio-button {
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--control-text);
  background: var(--popover-bg);
  font-size: 13px;
  font-weight: 750;
}

.ratio-button.active {
  border-color: var(--active-border);
  color: var(--active-text);
  background: var(--active-bg);
}

.crop-actions {
  display: grid;
  gap: 10px;
}

@media (max-width: 980px) {
  body {
    overflow: auto;
  }

  .workspace {
    grid-template-columns: 1fr;
    height: auto;
    min-height: 100vh;
  }

  .workspace.history-open {
    grid-template-columns: 1fr;
  }

  .site-credit {
    right: 12px;
    bottom: 10px;
    font-size: 11px;
    max-width: calc(100vw - 24px);
  }

  .panel-resizer {
    display: none;
  }

  .history-sidebar {
    width: auto;
    height: 50px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .history-sidebar.open {
    width: auto;
    height: 250px;
  }

  .history-tab {
    top: 7px;
    left: 14px;
  }

  .history-drawer {
    width: 100%;
    padding: 14px;
  }

  .editor-panel {
    height: 72vh;
    min-height: 560px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .preview-panel {
    overflow: visible;
  }

  .preview-body {
    grid-template-columns: 1fr;
  }

  .article-settings {
    position: static;
    width: 100%;
    max-height: none;
    order: -1;
  }
}

@media (max-width: 620px) {
  .editor-panel,
  .preview-panel {
    padding: 14px;
  }

  .editor-panel {
    height: 78vh;
    min-height: 560px;
    gap: 10px;
  }

  .brand-row h1 {
    font-size: 20px;
  }

  .brand-row {
    align-items: flex-start;
  }

  .mode-switch {
    width: 100%;
    order: 3;
  }

  .profile-inline {
    grid-template-columns: 38px minmax(0, 1fr) minmax(0, 0.82fr) 34px;
    gap: 6px;
  }

  .profile-inline .avatar-picker {
    width: 38px;
    height: 38px;
  }

  .compact-input {
    height: 34px;
    padding-inline: 8px;
    font-size: 13px;
  }

  .toolbar {
    gap: 6px;
  }

  .tool-button {
    width: 34px;
    height: 34px;
    font-size: 12px;
  }

  .tool-popover {
    position: fixed;
    top: 104px;
    left: 12px;
    right: 12px;
    width: auto;
    max-height: calc(100vh - 128px);
    overflow: auto;
  }

  .search-popover,
  .settings-popover {
    grid-template-columns: 1fr;
  }

  .preview-topbar {
    position: static;
    display: grid;
    margin: -18px -18px 18px;
    padding: 18px 18px 14px;
  }

  .preview-topbar::before,
  .preview-topbar::after {
    display: none;
  }

  .settings-grid {
    grid-template-columns: 1fr;
  }

  .topbar-actions {
    flex-wrap: wrap;
  }

  .pages {
    grid-template-columns: 1fr;
  }

  .pages.scroll-mode .page-shell {
    width: min(100%, calc((100vh - 210px) * 0.75));
    min-width: 0;
  }

  .crop-layout {
    grid-template-columns: 1fr;
  }

  .image-preview-stage {
    padding: 14px;
  }

  .image-preview-actions {
    gap: 6px;
    padding: 12px;
  }

  .crop-controls {
    border-left: 0;
    border-top: 1px solid var(--line);
  }
}