@import url("./vendor/heti.min.css");
@import url("./vendor/katex/katex.min.css");

@font-face {
  font-family: "JetBrains Maple Mono";
  src: url("./vendor/jetbrains-maple-mono/JetBrainsMapleMono-Regular.ttf") format("truetype");
  font-display: swap;
}

:root {
  color-scheme: light;
  --select-caret-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 6.25 8 10l4-3.75' fill='none' stroke='%23636d79' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.4'/%3E%3C/svg%3E");
  --bg: oklch(0.965 0.003 250);
  --bg-soft: oklch(0.947 0.004 250);
  --panel: color-mix(in oklch, var(--bg) 86%, white);
  --panel-strong: oklch(0.988 0.003 250);
  --border: oklch(0.84 0.006 250);
  --border-strong: oklch(0.64 0.01 250);
  --text: oklch(0.3 0.01 250);
  --muted: oklch(0.54 0.008 250);
  --accent: oklch(0.58 0.018 248);
  --accent-soft: color-mix(in oklch, var(--accent) 10%, white);
  --shadow: 0 16px 34px rgba(54, 62, 74, 0.08);
  --surface-strong: rgba(253, 254, 255, 0.98);
  --surface-base: rgba(250, 252, 254, 0.96);
  --surface-soft: rgba(246, 249, 252, 0.94);
  --surface-muted: rgba(243, 246, 250, 0.9);
  --surface-border-strong: rgba(125, 134, 145, 0.22);
  --surface-border: rgba(125, 134, 145, 0.18);
  --surface-border-soft: rgba(125, 134, 145, 0.12);
  --surface-border-faint: rgba(125, 134, 145, 0.1);
  --surface-text-strong: rgba(93, 102, 115, 0.82);
  --surface-text: rgba(93, 102, 115, 0.76);
  --surface-text-soft: rgba(93, 102, 115, 0.72);
  --surface-text-faint: rgba(93, 102, 115, 0.36);
  --surface-text-hover: rgba(47, 58, 70, 0.92);
  --surface-text-hover-strong: rgba(40, 50, 61, 0.96);
  --focus-ring: rgba(111, 125, 141, 0.12);
  --overlay: rgba(54, 62, 74, 0.24);
  --shadow-soft: 0 14px 28px rgba(54, 62, 74, 0.14);
  --shadow-strong: 0 28px 56px rgba(54, 62, 74, 0.16);
  --radius-s: 3px;
  --radius-m: 5px;
  --radius-l: 7px;
  --ui-font: "Aptos", "PingFang SC", "Noto Sans SC", sans-serif;
  --page-font-en: "Iowan Old Style";
  --page-font-zh: "Source Han Serif SC";
  --page-code-font: "JetBrains Maple Mono", "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --type-size-base: 12pt;
  --type-size-max: 24pt;
  --type-size-min: 8pt;
  --scrollbar-size: 9px;
  --scrollbar-thumb: rgba(124, 145, 198, 0.24);
  --scrollbar-thumb-hover: rgba(124, 145, 198, 0.4);
  --scrollbar-thumb-border: 2px;
  --scrollbar-thumb-border-hover: 1px;
  --scrollbar-track: rgba(255, 255, 255, 0.08);
}

[hidden] {
  display: none !important;
}

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

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.76), rgba(237, 241, 245, 0.96)),
    repeating-linear-gradient(90deg, transparent 0 95px, rgba(99, 109, 121, 0.038) 95px 96px),
    repeating-linear-gradient(180deg, transparent 0 95px, rgba(99, 109, 121, 0.026) 95px 96px),
    var(--bg);
  font-family: var(--ui-font);
  overflow-x: hidden;
}

.designlab-page[data-design-view="home"] {
  overflow: hidden;
}

.design-home-list {
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) transparent;
}

.design-home-list::-webkit-scrollbar {
  width: var(--scrollbar-size);
  height: var(--scrollbar-size);
}

.design-home-list::-webkit-scrollbar-track {
  background: transparent;
}

.design-home-list::-webkit-scrollbar-thumb {
  border-radius: 999px;
  border: var(--scrollbar-thumb-border) solid transparent;
  background: var(--scrollbar-thumb);
  background-clip: padding-box;
}

.design-home-list:hover::-webkit-scrollbar-thumb {
  border-width: var(--scrollbar-thumb-border-hover);
  background: var(--scrollbar-thumb-hover);
  background-clip: padding-box;
}

.design-home-list::-webkit-scrollbar-corner {
  background: transparent;
}

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

button {
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
}

.design-home-page,
.design-workspace-page {
  min-height: 100vh;
}

.design-home-page {
  --home-page-x: clamp(18px, 3vw, 40px);
  --home-page-y: clamp(18px, 3vw, 40px);
  display: grid;
  height: 100dvh;
  min-height: 0;
  align-content: start;
  padding: var(--home-page-y) var(--home-page-x);
  overflow: hidden;
}

.design-home-panel {
  width: min(1120px, 100%);
  height: calc(100dvh - var(--home-page-y) * 2);
  min-height: 0;
  margin: 0 auto;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  align-content: stretch;
  gap: clamp(14px, 2vw, 22px);
  padding: clamp(24px, 4vw, 40px);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(246, 249, 252, 0.94)),
    linear-gradient(135deg, rgba(120, 136, 153, 0.06), transparent 42%);
  border: 1px solid rgba(125, 134, 145, 0.18);
  box-shadow: var(--shadow);
}

.design-home-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
  align-items: end;
}

.design-home-copy {
  display: grid;
  gap: 10px;
}

.design-home-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.design-home-mark {
  width: 38px;
  height: 38px;
  object-fit: contain;
  flex: 0 0 auto;
}

.design-home-kicker {
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--surface-text-strong);
}

.design-home-title {
  margin: 0;
  font-size: clamp(2.1rem, 5vw, 4rem);
  line-height: 0.96;
  font-weight: 500;
  letter-spacing: -0.04em;
}

.design-home-meta,
.design-home-current {
  margin: 0;
}

.design-home-meta {
  color: var(--muted);
}

.design-home-current {
  color: var(--surface-text-hover);
  font-size: 0.95rem;
}

.design-home-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.design-home-action {
  min-width: 124px;
}

.design-home-list {
  grid-row: 2;
  min-height: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  align-content: start;
  gap: 12px;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
  padding-right: 4px;
}

.design-home-card {
  display: grid;
  gap: 10px;
  align-content: start;
  min-height: 132px;
  padding: 18px;
  text-align: left;
  border: 1px solid rgba(125, 134, 145, 0.16);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(243, 247, 251, 0.94));
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.design-home-card:hover {
  transform: translateY(-2px);
  border-color: rgba(104, 117, 132, 0.3);
  box-shadow: 0 14px 30px rgba(54, 62, 74, 0.1);
}

.design-home-card.is-active {
  border-color: color-mix(in oklch, var(--accent) 50%, var(--border));
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(237, 243, 248, 0.96));
  box-shadow: 0 14px 30px rgba(54, 62, 74, 0.12);
}

.design-home-card-title {
  font-size: 1rem;
  line-height: 1.35;
  color: var(--surface-text-hover-strong);
}

.design-home-card-meta {
  display: grid;
  gap: 3px;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.35;
}

.design-home-card-meta span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.skeleton-line,
.skeleton-block {
  display: block;
  width: var(--skeleton-w, 100%);
  max-width: 100%;
  border-radius: 999px;
  background:
    linear-gradient(90deg, rgba(126, 136, 148, 0.08), rgba(126, 136, 148, 0.18), rgba(126, 136, 148, 0.08));
  background-size: 220% 100%;
  animation: skeleton-sheen 1.15s ease-in-out infinite;
}

.skeleton-line {
  height: 0.82rem;
}

.skeleton-line-title {
  height: 1rem;
}

.skeleton-line-tiny {
  height: 0.62rem;
}

.skeleton-line-kicker {
  height: 0.72rem;
}

.skeleton-line-display {
  height: clamp(2rem, 6vw, 4.6rem);
  border-radius: 12px;
}

.skeleton-line-display.is-narrow {
  height: clamp(1.65rem, 4.8vw, 3.6rem);
}

.skeleton-line-heading {
  height: 1.35rem;
}

.skeleton-block {
  min-height: 160px;
  border-radius: var(--radius-m);
}

.skeleton-stack {
  display: grid;
  align-content: center;
  gap: 12px;
}

.design-home-skeleton-card {
  pointer-events: none;
}

.design-home-empty {
  grid-row: 2;
  align-self: start;
  padding: 0;
  color: var(--muted);
}

.design-home-empty-title {
  margin: 0;
}

.design-home-status {
  grid-row: 3;
  margin: 0;
}

.design-workspace-page {
  position: relative;
}

.design-home-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: start;
  margin-left: auto;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(125, 134, 145, 0.18);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 8px 18px rgba(54, 62, 74, 0.06);
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.design-home-link:hover {
  transform: translateY(-1px);
  border-color: rgba(104, 117, 132, 0.28);
  background: rgba(255, 255, 255, 0.98);
}

.design-home-link-icon {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.designlab-shell {
  min-height: 100vh;
  padding: clamp(16px, 2vw, 24px);
}

.designlab-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.designlab-mark {
  display: block;
  width: 44px;
  height: 44px;
  object-fit: contain;
  flex: 0 0 auto;
}

.designlab-brand-copy {
  display: grid;
  gap: 0;
}

.designlab-brand-copy strong {
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section-note,
.feedback-line {
  color: var(--muted);
}

.designlab-main {
  display: grid;
  grid-template-columns: minmax(268px, 304px) minmax(0, 1fr) minmax(308px, 348px);
  gap: clamp(16px, 2vw, 22px);
  align-items: start;
  min-height: calc(100vh - clamp(32px, 4vw, 48px));
}

.panel {
  display: grid;
  gap: 18px;
  align-content: start;
  min-height: 100%;
  padding: 8px 10px;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.panel-controls {
  grid-template-rows: auto auto minmax(0, 1fr);
}

.panel-sidebar {
  grid-template-rows: auto minmax(0, 1fr);
}

.panel-section {
  display: grid;
  gap: 12px;
}

.panel-section-collapsible {
  gap: 0;
}

.panel-section-summary {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 4px 10px 0;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.panel-section-summary::-webkit-details-marker {
  display: none;
}

.panel-section-summary:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(111, 125, 141, 0.12);
}

.panel-section-summary::after {
  content: "";
  flex: 0 0 10px;
  width: 10px;
  height: 10px;
  position: relative;
  border-right: 1.5px solid rgba(99, 109, 121, 0.76);
  border-bottom: 1.5px solid rgba(99, 109, 121, 0.76);
  transform: rotate(45deg) translateY(-1px);
  transform-origin: center;
  transition: transform 160ms ease;
}

.panel-section-collapsible[open] .panel-section-summary::after {
  transform: rotate(225deg) translateY(-1px);
}

.panel-section-summary strong {
  font-size: 0.92rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.panel-section-body {
  display: grid;
  gap: 12px;
  padding-top: 2px;
}

.panel-intro {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(125, 134, 145, 0.16);
}

.panel-pages {
  min-height: 0;
}

.panel-tabbar {
  display: inline-grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.74);
}

.panel-tab {
  appearance: none;
  border: 0;
  background: transparent;
  padding: 10px 12px;
  text-align: center;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--muted);
}

.panel-tab.is-active {
  background: color-mix(in oklch, white 76%, var(--accent-soft));
  color: var(--text);
}

.panel-tab:disabled {
  opacity: 0.44;
  cursor: not-allowed;
}

.panel-view-stack {
  min-height: 0;
  height: 100%;
}

.panel-sidebar-view-stack,
.panel-sidebar-view {
  min-height: 0;
  height: 100%;
}

.panel-view {
  display: none;
  gap: 18px;
  align-content: start;
}

.panel-view.is-active {
  display: grid;
}

.panel-view-base {
  min-height: 0;
  height: 100%;
  grid-template-rows: minmax(0, 1fr) auto;
  align-content: stretch;
}

.panel-view-scroll {
  min-height: 0;
  display: grid;
  gap: 18px;
  align-content: start;
  overflow-y: auto;
  overflow-x: hidden;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.panel-view-scroll::-webkit-scrollbar {
  width: 0;
  height: 0;
}

.panel-view-footer {
  display: flex;
  justify-content: flex-start;
  padding-top: 12px;
  border-top: 1px solid rgba(125, 134, 145, 0.14);
}

.page-template-footer {
  z-index: 2;
  margin-top: auto;
  padding-top: 14px;
  background: linear-gradient(180deg, rgba(239, 242, 246, 0), rgba(239, 242, 246, 0.96) 24%, rgba(239, 242, 246, 1));
}

.page-template-footer-bar {
  width: 100%;
  display: grid;
  gap: 8px;
}

.page-template-footer-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
}

.page-template-manage-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.page-template-manage-btn svg {
  width: 14px;
  height: 14px;
  display: block;
}

.field-spacer {
  visibility: hidden;
  pointer-events: none;
}

.pagination-settings {
  display: grid;
  gap: 10px;
  padding-top: 12px;
  border-top: 1px solid rgba(125, 134, 145, 0.14);
}

.panel-section-body .pagination-settings {
  padding-top: 0;
  border-top: 0;
}

.pagination-toggle {
  display: inline-grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 10px;
  color: var(--text);
}

.pagination-toggle input {
  width: 15px;
  height: 15px;
  margin: 0;
  accent-color: color-mix(in oklch, var(--accent) 74%, white);
}

.pagination-window-field[hidden] {
  display: none;
}

.page-count-estimate {
  color: color-mix(in oklch, var(--muted) 74%, white);
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.section-head strong {
  font-weight: 400;
  font-size: 0.92rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.dropzone {
  display: grid;
  place-items: center;
  min-height: 96px;
  padding: 18px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-m);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(241, 245, 249, 0.92));
  color: var(--muted);
  text-align: center;
  transition: border-color 160ms ease, transform 160ms ease, background 160ms ease;
}

.dropzone:hover,
.dropzone.is-dragover {
  border-color: var(--accent);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(235, 240, 245, 0.96));
  transform: translateY(-1px);
}

.create-project-dropzone {
  min-height: 104px;
}

.create-project-type-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.create-project-type-card {
  appearance: none;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.96);
  border-radius: 0;
  padding: 16px 14px;
  text-align: left;
  display: grid;
  gap: 4px;
  cursor: pointer;
  transition: border-color 160ms ease, transform 160ms ease, background 160ms ease;
}

.create-project-type-card strong {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--ink);
}

.create-project-type-card.is-active {
  border-color: var(--accent);
  background: color-mix(in oklch, white 84%, var(--accent-soft));
}

.create-project-type-card:hover:not(.is-disabled) {
  transform: translateY(-1px);
  border-color: color-mix(in oklch, var(--accent) 56%, var(--border));
}

.create-project-type-card.is-disabled,
.create-project-type-card:disabled {
  opacity: 0.42;
  cursor: not-allowed;
  background: rgba(236, 239, 243, 0.92);
}

.doc-meta,
.feedback-line {
  font-size: 0.88rem;
  line-height: 1.5;
}

.doc-meta.is-error {
  color: #8f4637;
}

.feedback-line.is-error {
  color: #8f4637;
}

.field-grid {
  display: grid;
  gap: 10px;
}

.field-grid-inline {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
}

.field-grid-triple {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.field-grid-double {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field {
  display: grid;
  gap: 7px;
}

.field-stack {
  display: grid;
  gap: 8px;
}

.field > span {
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.field input,
.field select,
.field .custom-select-trigger,
.field textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-s);
  background: rgba(255, 255, 255, 0.94);
  padding: 12px 14px;
  color: var(--text);
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.field select {
  appearance: none;
  padding-right: 40px;
  background-image: var(--select-caret-icon);
  background-position: calc(100% - 14px) 50%;
  background-size: 14px 14px;
  background-repeat: no-repeat;
}

.custom-select {
  position: relative;
}

.custom-select-native {
  display: none;
}

.custom-select-trigger {
  position: relative;
  appearance: none;
  text-align: left;
  padding-right: 40px;
  cursor: pointer;
}

.custom-select-trigger::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 14px;
  width: 14px;
  height: 14px;
  background-image: var(--select-caret-icon);
  background-position: center;
  background-repeat: no-repeat;
  background-size: 14px 14px;
  transform: translateY(-50%);
  transition: transform 160ms ease;
  pointer-events: none;
}

.custom-select.is-open .custom-select-trigger::after {
  transform: translateY(-50%) rotate(180deg);
}

.custom-select-trigger-text {
  display: block;
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.custom-select-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  z-index: 28;
  display: grid;
  gap: 2px;
  max-height: min(240px, 32vh);
  padding: 6px;
  border: 1px solid color-mix(in oklch, var(--border) 92%, white);
  border-radius: var(--radius-s);
  background: var(--surface-strong);
  box-shadow: var(--shadow-soft);
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
}

.custom-select.is-open-up .custom-select-menu {
  top: auto;
  bottom: calc(100% + 6px);
}

.custom-select-option {
  appearance: none;
  display: block;
  width: 100%;
  border: 0;
  border-radius: 2px;
  background: transparent;
  padding: 9px 10px;
  text-align: left;
  font: inherit;
  color: inherit;
}

.custom-select-option:hover,
.custom-select-option:focus-visible {
  outline: none;
  background: rgba(255, 255, 255, 0.78);
}

.custom-select-option.is-selected {
  background: color-mix(in oklch, white 72%, var(--accent-soft));
}

.custom-select-option:disabled,
.custom-select-trigger:disabled {
  opacity: 0.52;
  cursor: not-allowed;
}

.field textarea {
  min-height: 96px;
  resize: vertical;
  line-height: 1.55;
}

.field input:disabled,
.field select:disabled,
.field textarea:disabled {
  opacity: 0.52;
  cursor: not-allowed;
}

.field-suffixed {
  --field-unit-width: 0px;
  --field-unit-gap: 14px;
  position: relative;
  display: block;
}

.field-suffixed em {
  position: absolute;
  top: 50%;
  right: var(--field-unit-gap);
  z-index: 1;
  transform: translateY(-50%);
  color: var(--muted);
  font-style: normal;
  font-size: 0.86rem;
  min-width: var(--field-unit-width);
  text-align: right;
  pointer-events: none;
}

.field-suffixed input {
  padding-right: calc(var(--field-unit-width) + var(--field-unit-gap) + 10px);
}
/* number 输入框：去掉浏览器默认的上下微调按钮，避免与右侧后缀（如 px）重叠 */
.field-suffixed input[type="number"] {
  appearance: textfield;
  -moz-appearance: textfield;
}
.field-suffixed input[type="number"]::-webkit-outer-spin-button,
.field-suffixed input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  appearance: none;
  margin: 0;
}

.field input:focus,
.field select:focus,
.field .custom-select-trigger:focus,
.field textarea:focus {
  border-color: color-mix(in oklch, var(--accent) 50%, var(--border));
  box-shadow: 0 0 0 4px var(--focus-ring);
}

.field-inline {
  --field-unit-width: 0px;
  --field-unit-gap: 14px;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 8px;
}

.field-inline span {
  min-width: 24px;
}

.field-inline input {
  grid-column: 2;
  grid-row: 1;
  width: 100%;
  padding-right: calc(var(--field-unit-width) + var(--field-unit-gap) + 10px);
}

.field-inline em {
  grid-column: 2;
  grid-row: 1;
  justify-self: end;
  min-width: var(--field-unit-width);
  margin-right: var(--field-unit-gap);
  z-index: 1;
  color: var(--muted);
  font-style: normal;
  font-size: 0.9rem;
  text-align: right;
  pointer-events: none;
}

.toggle-field {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
}

.toggle-field > span {
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.toggle-field input {
  width: 16px;
  height: 16px;
  margin: 0;
  accent-color: color-mix(in oklch, var(--accent) 74%, white);
}

.toggle-field.is-disabled {
  opacity: 0.42;
  cursor: not-allowed;
}

.toggle-field.is-disabled > span,
.toggle-field.is-disabled input {
  cursor: not-allowed;
}

.color-control {
  position: relative;
  display: block;
  width: 100%;
}

.color-control-swatch {
  appearance: none;
  position: absolute;
  top: 50%;
  left: 10px;
  z-index: 1;
  width: 24px;
  height: 24px;
  margin: 0;
  padding: 0;
  border: 1px solid var(--surface-border-strong);
  border-radius: var(--radius-s);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.28), rgba(255, 255, 255, 0.04)),
    var(--color-swatch);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.46);
  transform: translateY(-50%);
}

.color-control-swatch:focus-visible {
  outline: none;
  box-shadow:
    0 0 0 4px var(--focus-ring),
    inset 0 0 0 1px rgba(255, 255, 255, 0.46);
}

.color-control .color-control-text {
  width: 100%;
  min-width: 0;
  padding: 12px 14px 12px 48px;
  text-transform: lowercase;
  letter-spacing: 0.01em;
}

.color-control-native {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-list {
  display: grid;
  gap: 10px;
  max-height: min(50vh, 640px);
  overflow: auto;
  padding-right: 4px;
}

.page-chip {
  display: grid;
  gap: 8px;
  width: 100%;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  background: rgba(255, 255, 255, 0.82);
  text-align: left;
  transition: border-color 160ms ease, transform 160ms ease, background 160ms ease;
}

.page-chip:hover {
  transform: translateY(-1px);
  border-color: color-mix(in oklch, var(--accent) 45%, var(--border));
}

.page-chip.is-active {
  position: sticky;
  top: 8px;
  bottom: 8px;
  z-index: 4;
  border-color: color-mix(in oklch, var(--accent) 52%, var(--border));
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(239, 243, 247, 0.96));
  box-shadow: 0 12px 28px rgba(47, 55, 64, 0.12);
}

.page-chip-meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
  font-size: 0.8rem;
}

.page-chip-title {
  font-family:
    var(--page-font-zh),
    var(--page-font-en),
    "Source Han Serif SC",
    "Songti SC",
    "STSong",
    "Noto Serif CJK SC",
    "Iowan Old Style",
    Georgia,
    serif;
  font-size: 1rem;
  line-height: 1.35;
}

.page-chip-note {
  font-size: 0.84rem;
  line-height: 1.45;
  color: var(--muted);
}

.viewer-stage {
  min-height: 100%;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 14px;
  padding: 8px 10px;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.viewer-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 2px;
}

.toolbar-btn,
.ghost-btn,
.solid-btn,
.icon-btn {
  border-radius: var(--radius-s);
  padding: 11px 16px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.9);
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, color 160ms ease, opacity 160ms ease;
}

.toolbar-btn:hover,
.ghost-btn:hover,
.solid-btn:hover,
.icon-btn:hover {
  transform: translateY(-1px);
}

.solid-btn {
  border-color: color-mix(in oklch, var(--accent) 42%, var(--border));
  background: color-mix(in oklch, white 70%, var(--accent-soft));
}

.toolbar-btn:disabled,
.ghost-btn:disabled,
.solid-btn:disabled,
.icon-btn:disabled {
  opacity: 0.48;
  cursor: not-allowed;
  transform: none;
}

.icon-btn {
  width: 40px;
  height: 40px;
  padding: 0;
  display: inline-grid;
  place-items: center;
}

.icon-btn svg {
  width: 17px;
  height: 17px;
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.45;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.project-action-row {
  align-items: center;
}

.project-delete-btn {
  border-color: transparent;
  background: transparent;
  color: color-mix(in oklch, var(--muted) 42%, white);
  opacity: 0.72;
}

.project-delete-btn:hover,
.project-delete-btn:focus-visible {
  border-color: rgba(166, 67, 55, 0.26);
  background: rgba(166, 67, 55, 0.07);
  color: rgb(154, 51, 43);
  opacity: 1;
}

.danger-solid-btn {
  border-color: rgba(166, 67, 55, 0.42);
  background: rgba(166, 67, 55, 0.1);
  color: rgb(137, 43, 36);
}

.danger-solid-btn:hover,
.danger-solid-btn:focus-visible {
  background: rgba(166, 67, 55, 0.16);
}

.viewer-meta {
  margin-left: auto;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  font-size: 0.9rem;
  color: inherit;
}

.viewer-export-control {
  position: absolute;
  right: clamp(10px, 1.5vw, 16px);
  bottom: clamp(10px, 1.5vw, 16px);
  z-index: 4;
  pointer-events: auto;
}

.viewer-export-btn {
  min-width: 72px;
  border-color: var(--surface-border);
  background: var(--surface-soft);
}

.viewer-export-btn:disabled {
  opacity: 0.48;
}

.viewer-preview-mode-group {
  display: inline-grid;
  grid-auto-flow: column;
  gap: 0;
  border: 1px solid var(--surface-border);
  background: var(--surface-muted);
}

.viewer-preview-mode-btn {
  appearance: none;
  min-width: 54px;
  padding: 8px 12px;
  border: 0;
  background: transparent;
  color: inherit;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

#btn-prev-page,
#btn-next-page {
  min-width: 54px;
  padding: 8px 12px;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.viewer-preview-mode-btn + .viewer-preview-mode-btn {
  border-left: 1px solid var(--surface-border-soft);
}

.viewer-preview-mode-btn.is-active {
  background: color-mix(in oklch, var(--surface-base) 72%, var(--accent-soft));
}

.viewer-frame {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 0;
  padding: clamp(12px, 2vw, 30px);
  border-radius: var(--radius-m);
  background:
    linear-gradient(180deg, rgba(246, 248, 251, 0.98), rgba(233, 237, 242, 0.98)),
    repeating-linear-gradient(90deg, transparent 0 54px, rgba(117, 129, 143, 0.03) 54px 55px),
    repeating-linear-gradient(180deg, transparent 0 54px, rgba(117, 129, 143, 0.024) 54px 55px);
  border: 1px solid rgba(125, 134, 145, 0.14);
  overflow: hidden;
}

.project-open-overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: grid;
  place-items: center;
  padding: clamp(12px, 2vw, 30px);
  pointer-events: none;
  opacity: 1;
  transition: opacity 280ms cubic-bezier(0.25, 1, 0.5, 1);
}

.project-open-overlay.is-fading-out {
  opacity: 0;
}

#page-preview-host {
  width: 100%;
  height: 100%;
  min-height: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
  opacity: 1;
  transform: translateY(0);
}

body[data-project-type="page"] #page-preview-host {
  place-items: stretch;
  overflow: auto;
}

body[data-project-type="page"] .viewer-frame {
  place-items: stretch;
  padding: 0;
  background:
    linear-gradient(180deg, rgba(239, 241, 237, 0.98), rgba(223, 228, 221, 0.98)),
    repeating-linear-gradient(90deg, transparent 0 80px, rgba(75, 84, 76, 0.035) 80px 81px);
}

body[data-project-type="page"] #btn-prev-page,
body[data-project-type="page"] #btn-next-page,
body[data-project-type="page"] #sidebar-tab-autolayout,
body[data-project-type="page"] #preview-overlay-controls,
body[data-project-type="page"] .page-template-footer {
  display: none;
}

.page-project {
  --page-project-bg: #f6f2ea;
  --page-project-panel: #fffaf1;
  --page-project-ink: #272822;
  --page-project-muted: #6d7067;
  --page-project-rule: rgba(73, 78, 68, 0.18);
  --page-project-accent: #b44d2f;
  --page-project-max: 1160px;
  min-height: 100%;
  background:
    linear-gradient(180deg, color-mix(in oklch, var(--page-project-bg) 92%, white), var(--page-project-bg));
  color: var(--page-project-ink);
  font-family:
    var(--page-font-zh),
    var(--page-font-en),
    "Source Han Serif SC",
    "Songti SC",
    "STSong",
    Georgia,
    serif;
}

#page-preview-host.is-project-open-entering {
  opacity: 0.01;
  transform: translateY(8px);
}

#page-preview-host.is-project-open-entering.is-project-open-ready {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 360ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 360ms cubic-bezier(0.22, 1, 0.36, 1);
}

.project-open-state {
  width: min(420px, 100%);
  display: grid;
  justify-items: center;
  gap: 12px;
  padding: 32px 24px;
  text-align: center;
  border: 1px solid rgba(125, 134, 145, 0.14);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 18px 40px rgba(54, 62, 74, 0.08);
}

.project-open-state-mark {
  width: 38px;
  height: 38px;
  border: 1.5px solid rgba(93, 102, 115, 0.18);
  border-top-color: rgba(93, 102, 115, 0.76);
  border-radius: 999px;
  animation: project-open-spin 900ms linear infinite;
  will-change: transform;
}

.project-open-state-chip {
  padding: 5px 10px;
  border: 1px solid rgba(125, 134, 145, 0.16);
  background: rgba(246, 249, 252, 0.94);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.project-open-state-title {
  font-size: 1.08rem;
  font-weight: 500;
  color: var(--surface-text-hover-strong);
}

.project-open-state-meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.page-list-loading {
  padding: 8px 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.project-detail-skeleton {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  padding: clamp(16px, 3vw, 42px);
}

.project-detail-skeleton-paper {
  width: min(760px, 100%);
  min-height: min(760px, 78vh);
  display: grid;
  align-content: start;
  gap: 16px;
  padding: clamp(28px, 5vw, 64px);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(125, 134, 145, 0.14);
  box-shadow: 0 22px 46px rgba(54, 62, 74, 0.08);
}

.project-detail-skeleton-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 18px;
  margin-top: 18px;
}

.project-detail-skeleton-grid .is-muted {
  opacity: 0.62;
}

.page-project-skeleton {
  min-height: 100%;
  pointer-events: none;
}

.page-project-skeleton .pp-module {
  cursor: default;
}

.page-project-skeleton-hero {
  min-height: clamp(260px, 38vh, 420px);
}

.page-project-skeleton-flow {
  display: grid;
  gap: 14px;
}

.page-project-skeleton-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(16px, 3vw, 28px);
  margin-top: 16px;
}

.page-list-skeleton {
  display: grid;
  gap: 8px;
}

.page-chip-skeleton {
  display: grid;
  gap: 8px;
  pointer-events: none;
}

@keyframes skeleton-sheen {
  0% {
    background-position: 120% 0;
  }
  100% {
    background-position: -120% 0;
  }
}

@keyframes project-open-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 860px) {
  .project-detail-skeleton-grid,
  .page-project-skeleton-grid {
    grid-template-columns: 1fr;
  }

  .page-project-hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .page-project-index {
    align-self: start;
  }

  .page-project-section,
  .page-project-layout-feature .page-project-section:nth-child(even) {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .page-project-section-marker,
  .page-project-layout-feature .page-project-section:nth-child(even) .page-project-section-marker,
  .page-project-layout-feature .page-project-section:nth-child(even) .page-project-section-body {
    position: static;
    grid-column: auto;
    grid-row: auto;
  }

  .page-project-layout-feature .page-project-section:nth-child(even) .page-project-rich,
  .page-project-width-full .page-project-rich {
    columns: auto;
  }
}

.viewer-freeblock-controls {
  position: static;
  display: grid;
  gap: 10px;
  width: 100%;
  min-width: 0;
  max-height: none;
  overflow: visible;
}

.viewer-layout-badge {
  position: static;
  z-index: auto;
  width: 100%;
  min-width: 0;
  max-width: none;
  pointer-events: auto;
}

.viewer-layout-badge-panel {
  margin: 0;
  display: grid;
  gap: 0;
  border: 1px solid var(--surface-border);
  background: var(--surface-soft);
  backdrop-filter: blur(10px);
}

.viewer-layout-badge-panel[open] {
  background: var(--surface-strong);
}

.viewer-layout-badge-summary {
  list-style: none;
  display: grid;
  gap: 4px;
  padding: 10px 12px;
  cursor: pointer;
}

.viewer-layout-badge-summary::-webkit-details-marker {
  display: none;
}

.viewer-layout-badge-summary-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.viewer-layout-badge-chevron {
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  color: var(--surface-text-soft);
  transition: transform 160ms ease;
}

.viewer-layout-badge-panel[open] .viewer-layout-badge-chevron {
  transform: rotate(180deg);
}

.viewer-layout-badge-label {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--surface-text);
}

.viewer-layout-badge-title {
  font-size: 0.98rem;
  line-height: 1.2;
}

.viewer-layout-badge-detail {
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--muted);
}

.viewer-layout-badge-menu {
  display: grid;
  gap: 0;
  padding: 0 8px 8px;
}

.viewer-layout-badge-aux,
.layout-fixed-controls {
  display: grid;
  gap: 10px;
  padding: 8px;
}

.layout-fixed-controls {
  padding: 10px 0 0;
}

.layout-fixed-controls[hidden] {
  display: none;
}

.layout-page-controls {
  display: grid;
  gap: 10px;
  padding-top: 10px;
}

.layout-page-controls[hidden] {
  display: none;
}

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

.viewer-layout-option {
  appearance: none;
  display: grid;
  gap: 2px;
  width: 100%;
  padding: 8px 10px;
  border: 0;
  border-top: 1px solid var(--surface-border-faint);
  background: transparent;
  text-align: left;
  color: inherit;
  cursor: pointer;
}

.viewer-layout-option:first-child {
  border-top: 1px solid var(--surface-border-soft);
}

.viewer-layout-option:hover {
  background: rgba(255, 255, 255, 0.56);
}

.viewer-layout-option.is-active {
  background: color-mix(in oklch, var(--surface-base) 74%, var(--accent-soft));
}

.viewer-layout-option:disabled {
  opacity: 0.42;
  cursor: not-allowed;
  background: transparent;
}

.viewer-layout-option-title {
  font-size: 0.84rem;
  line-height: 1.25;
}

.viewer-layout-option-note {
  font-size: 0.74rem;
  line-height: 1.35;
  color: var(--muted);
}

.preview-overlay-controls {
  position: static;
  z-index: auto;
  display: grid;
  gap: 10px;
  justify-items: stretch;
  pointer-events: auto;
}

.preview-overlay-card {
  display: grid;
  gap: 10px;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}

.preview-overlay-group {
  display: grid;
  gap: 8px;
}

.preview-overlay-label {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--surface-text-strong);
}

.preview-slot-stack {
  display: grid;
  gap: 6px;
  justify-items: stretch;
}

.preview-slot-control {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  min-width: 0;
  padding: 9px 10px;
  border: 1px solid var(--surface-border);
  background: var(--surface-base);
}

.preview-slot-control.is-active {
  border-color: color-mix(in oklch, var(--accent) 40%, var(--surface-border));
  background: color-mix(in oklch, var(--surface-base) 82%, var(--accent-soft));
}

.preview-slot-trigger,
.preview-slot-add,
.preview-column-btn,
.preview-slot-text-action {
  appearance: none;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.preview-slot-trigger {
  display: grid;
  gap: 4px;
  align-items: start;
  justify-content: flex-start;
  width: 100%;
  padding: 0 22px 0 0;
  text-align: left;
}

.preview-slot-control.has-text-actions .preview-slot-trigger {
  padding-right: 136px;
}

.preview-slot-label {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.preview-slot-text {
  min-width: 0;
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.preview-slot-delete {
  position: absolute;
  top: 50%;
  right: 8px;
  transform: translateY(-50%);
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  padding: 0;
  color: var(--surface-text-soft);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 140ms ease, visibility 140ms ease, color 140ms ease;
}

.preview-slot-text-actions {
  position: absolute;
  top: 10px;
  right: 10px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  color: var(--surface-text-strong);
  transition: opacity 140ms ease, visibility 140ms ease, color 140ms ease;
}

.preview-slot-control.is-active .preview-slot-text-actions {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.preview-slot-order-actions {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding-top: 4px;
  color: var(--surface-text);
}

.preview-slot-order-action {
  appearance: none;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font-size: 0.74rem;
  line-height: 1;
  letter-spacing: 0.06em;
  cursor: pointer;
}

.preview-slot-order-action:hover {
  color: var(--surface-text-hover);
}

.preview-slot-order-action:disabled {
  opacity: 0.38;
  cursor: not-allowed;
}

.preview-slot-text-action {
  padding: 0;
  font-size: 0.76rem;
  line-height: 1;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.preview-slot-text-action.is-danger {
  color: rgba(110, 63, 47, 0.92);
}

.preview-slot-text-separator {
  font-size: 0.72rem;
  line-height: 1;
  color: var(--surface-text-faint);
}

.preview-slot-control.is-active .preview-slot-delete {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.preview-slot-delete svg {
  width: 18px;
  height: 18px;
  display: block;
}

.preview-slot-text-action:hover,
.preview-slot-delete:hover,
.preview-slot-trigger:hover,
.preview-slot-add:hover,
.preview-column-btn:hover {
  color: var(--surface-text-hover);
}

.preview-slot-add {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--surface-border);
  background: var(--surface-base);
  font-size: 1.1rem;
  line-height: 1;
  justify-self: start;
}

.preview-slot-add:disabled {
  opacity: 0.42;
  cursor: not-allowed;
}

.preview-stock-bridge {
  display: grid;
  gap: 6px;
  padding: 10px 12px;
  border: 1px solid var(--surface-border);
  background: var(--surface-base);
}

.preview-stock-target {
  font-size: 0.82rem;
  line-height: 1.35;
  color: var(--surface-text-strong);
}

.preview-stock-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.preview-stock-btn {
  justify-self: start;
}

.stock-modal-tabbar {
  width: max-content;
}

.stock-generate-panel {
  display: grid;
  gap: 12px;
}

.stock-generate-btn {
  min-width: 124px;
}

.stock-generate-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.stock-requirements-preview {
  display: grid;
  gap: 10px;
  padding: 12px;
  border: 1px solid color-mix(in oklch, var(--border) 78%, var(--accent-soft));
  background: rgba(255, 255, 255, 0.72);
}

.stock-requirements-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(125, 134, 145, 0.16);
}

.stock-requirements-head div {
  min-width: 0;
  display: grid;
  gap: 3px;
}

.stock-requirements-head span,
.stock-requirements-head em,
.stock-requirement-row span {
  font-size: 0.76rem;
  color: var(--muted);
  font-style: normal;
}

.stock-requirements-head strong {
  font-size: 0.94rem;
  line-height: 1.35;
}

.stock-requirement-list {
  display: grid;
  gap: 8px;
}

.stock-requirement-row {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.stock-requirement-row strong {
  font-size: 0.88rem;
  line-height: 1.5;
  font-weight: 520;
  overflow-wrap: anywhere;
}

.preview-ratio-bridge {
  display: grid;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--surface-border);
  background: var(--surface-base);
}

.preview-ratio-target {
  font-size: 0.84rem;
  line-height: 1.4;
  color: var(--muted);
}

.preview-ratio-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.preview-ratio-controls input[type="range"] {
  flex: 1 1 100%;
  min-width: 0;
}

.preview-ratio-field {
  min-width: 0;
}

.preview-ratio-field input {
  width: 88px;
}

.preview-split-tools {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 10px;
  align-items: end;
}

.preview-split-align-field {
  min-width: 0;
}

.preview-split-speaker-toggle {
  margin-top: 2px;
}

.preview-column-toggle {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  border: 1px solid var(--surface-border);
  background: var(--surface-base);
}

.preview-column-btn {
  display: inline-grid;
  place-items: center;
  min-width: 36px;
  padding: 8px 10px;
  font-size: 0.82rem;
}

.preview-column-icon {
  display: block;
  width: 16px;
  height: 16px;
  pointer-events: none;
}

.preview-column-btn.is-active {
  background: color-mix(in oklch, var(--surface-base) 74%, var(--accent-soft));
}

.preview-column-btn:disabled {
  opacity: 0.42;
  cursor: not-allowed;
}

.page-stage-sheet {
  width: calc(var(--stage-base-width, 720px) * var(--preview-scale, 1));
  height: calc(var(--stage-base-height, 1020px) * var(--preview-scale, 1));
  margin: 0 auto;
}

.page-stage-sheet.is-idle {
  pointer-events: none;
}

.page-stage-canvas {
  width: var(--stage-base-width, 720px);
  height: var(--stage-base-height, 1020px);
  transform: translateZ(0) scale(var(--preview-scale, 1));
  transform-origin: top left;
  will-change: transform;
}

.page-stage-canvas.is-spread {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: var(--stage-page-width, 720px);
  gap: var(--stage-spread-gap, 20px);
}

.page-stage-page {
  position: relative;
  width: var(--stage-page-width, 720px);
  height: var(--stage-page-height, 1020px);
}

.page-stage-sheet.is-spread .page-stage-page.has-spread-selection-marker {
  z-index: 2;
}

.page-stage-sheet.is-spread .page-stage-page.has-spread-selection-marker::after {
  content: "";
  position: absolute;
  top: 0;
  right: 18px;
  width: 18px;
  height: 12px;
  pointer-events: none;
  z-index: 6;
  background: color-mix(in oklch, var(--accent) 78%, white 14%);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  filter: drop-shadow(0 2px 4px rgba(67, 76, 88, 0.14));
  transform: translateY(-1px);
}

.page-stage-page.is-passive {
  cursor: pointer;
}

.page-stage-page.is-passive .mook-sheet {
  pointer-events: none;
  opacity: 0.94;
}

.specimen-board {
  position: relative;
  width: 100%;
  height: 100%;
  border: 1px solid rgba(117, 94, 70, 0.28);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(242, 233, 221, 0.92)),
    repeating-linear-gradient(180deg, transparent 0 28px, rgba(117, 94, 70, 0.05) 28px 29px);
  box-shadow: inset 0 0 0 12px rgba(255, 252, 248, 0.82);
}

.specimen-board::before,
.specimen-board::after {
  content: "";
  position: absolute;
  background: rgba(117, 94, 70, 0.18);
}

.specimen-board::before {
  inset: 18px auto 18px 18px;
  width: 1px;
}

.specimen-board::after {
  inset: 18px 18px auto 18px;
  height: 1px;
}

.mook-sheet {
  --sheet-bg-start: #f4f7f2;
  --sheet-bg-end: #dfe7dc;
  --sheet-bg: var(--sheet-bg-end);
  --sheet-ink: #283129;
  --sheet-bg-gradient-direction: to bottom;
  --sheet-bg-gradient-strength: 100%;
  --sheet-bg-gradient:
    linear-gradient(
      var(--sheet-bg-gradient-direction),
      var(--sheet-bg-start),
      color-mix(in oklch, var(--sheet-bg-end) var(--sheet-bg-gradient-strength), var(--sheet-bg-start))
    );
  --sheet-muted: color-mix(in oklch, var(--sheet-ink) 58%, var(--sheet-bg-end) 42%);
  --sheet-line: color-mix(in oklch, var(--sheet-ink) 16%, var(--sheet-bg-end) 84%);
  --sheet-accent: oklch(0.44 0.028 60);
  --sheet-tone-wash: linear-gradient(transparent, transparent);
  --sheet-texture-layer: linear-gradient(transparent, transparent);
  --sheet-base-pad-x: clamp(24px, 4vw, 38px);
  --sheet-base-pad-y: clamp(24px, 4vw, 38px);
  --page-type-scale: 1;
  --sheet-body-usage: 100%;
  --sheet-pad-x: var(--sheet-base-pad-x);
  --sheet-pad-y: var(--sheet-base-pad-y);
  --sheet-type-min: calc(var(--type-size-min) * var(--page-type-scale));
  --sheet-type-base: calc(var(--type-size-base) * var(--page-type-scale));
  --sheet-type-max: calc(var(--type-size-max) * var(--page-type-scale));
  --sheet-foot-height: 32px;
  --sheet-running-head-space: 0px;
  --sheet-column-gap: clamp(16px, 2vw, 22px);
  position: relative;
  display: grid;
  gap: clamp(14px, 2vw, 18px);
  width: 100%;
  height: 100%;
  aspect-ratio: var(--sheet-ratio, 148 / 210);
  padding:
    calc(var(--sheet-pad-y) + var(--sheet-running-head-space))
    var(--sheet-pad-x)
    calc(var(--sheet-pad-y) + var(--sheet-foot-height))
    var(--sheet-pad-x);
  border-radius: 2px;
  border: 0;
  background:
    var(--sheet-texture-layer),
    var(--sheet-tone-wash),
    var(--sheet-bg-gradient),
    var(--sheet-bg);
  color: var(--sheet-ink);
  box-shadow: 0 28px 56px rgba(49, 34, 20, 0.14);
  overflow: hidden;
  isolation: isolate;
  font-family:
    var(--page-font-zh),
    var(--page-font-en),
    "Source Han Serif SC",
    "Songti SC",
    "STSong",
    "Noto Serif CJK SC",
    "Iowan Old Style",
    Georgia,
    serif;
}

.mook-sheet::before {
  content: none;
}

.mook-sheet.paper-mist,
.composite-editor-stage.paper-mist {
  --sheet-tone-wash:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
}

.mook-sheet.paper-sand,
.composite-editor-stage.paper-sand {
  --sheet-tone-wash:
    linear-gradient(180deg, rgba(171, 134, 88, 0.035), rgba(171, 134, 88, 0.01));
}

.mook-sheet.texture-none {
  --sheet-texture-layer: linear-gradient(transparent, transparent);
}

.mook-sheet.texture-grain {
  --sheet-texture-layer:
    radial-gradient(circle at 20% 24%, rgba(107, 88, 70, 0.05) 0 0.7px, transparent 0.9px),
    radial-gradient(circle at 72% 38%, rgba(107, 88, 70, 0.04) 0 0.8px, transparent 1px),
    radial-gradient(circle at 44% 68%, rgba(107, 88, 70, 0.035) 0 0.75px, transparent 1px);
}

.mook-sheet.texture-grid {
  --sheet-texture-layer:
    repeating-linear-gradient(0deg, rgba(107, 88, 70, 0.05) 0 1px, transparent 1px 22px),
    repeating-linear-gradient(90deg, rgba(107, 88, 70, 0.04) 0 1px, transparent 1px 22px);
}

.mook-sheet.texture-fibers {
  --sheet-texture-layer:
    repeating-linear-gradient(18deg, rgba(107, 88, 70, 0.05) 0 1px, transparent 1px 16px),
    repeating-linear-gradient(-14deg, rgba(107, 88, 70, 0.03) 0 1px, transparent 1px 20px);
}

.mook-sheet.accent-ink,
.composite-editor-stage.accent-ink {
  --sheet-accent: oklch(0.38 0.025 250);
}

.mook-sheet.accent-olive,
.composite-editor-stage.accent-olive {
  --sheet-accent: oklch(0.56 0.07 130);
}

.mook-sheet.accent-rust,
.composite-editor-stage.accent-rust {
  --sheet-accent: oklch(0.56 0.11 42);
}

.mook-sheet.accent-wine,
.composite-editor-stage.accent-wine {
  --sheet-accent: oklch(0.48 0.11 20);
}

.mook-sheet.accent-slate,
.composite-editor-stage.accent-slate {
  --sheet-accent: oklch(0.48 0.04 235);
}

.mook-sheet.layout-cover,
.mook-sheet.layout-contents,
.mook-sheet.layout-split,
.mook-sheet.layout-essay,
.mook-sheet.layout-gallery,
.mook-sheet.layout-composite {
  grid-template-rows: auto minmax(0, 1fr) auto;
}

.mook-sheet.layout-cover {
  gap: 0;
  padding: 0;
  grid-template-rows: minmax(0, 1fr);
}

.mook-sheet.layout-cover.has-sheet-head > .sheet-head,
.mook-sheet.layout-contents.has-sheet-head > .sheet-head,
.mook-sheet.layout-split.has-sheet-head > .sheet-head,
.mook-sheet.layout-essay.has-sheet-head > .sheet-head,
.mook-sheet.layout-gallery.has-sheet-head > .sheet-head,
.mook-sheet.layout-composite.has-sheet-head > .sheet-head {
  grid-row: 1;
}

.mook-sheet.layout-cover.has-sheet-head > .sheet-body,
.mook-sheet.layout-contents.has-sheet-head > .sheet-body,
.mook-sheet.layout-split.has-sheet-head > .sheet-body,
.mook-sheet.layout-essay.has-sheet-head > .sheet-body,
.mook-sheet.layout-gallery.has-sheet-head > .sheet-body,
.mook-sheet.layout-composite.has-sheet-head > .sheet-body {
  grid-row: 2;
}

.mook-sheet.layout-cover.is-headless,
.mook-sheet.layout-contents.is-headless,
.mook-sheet.layout-split.is-headless,
.mook-sheet.layout-essay.is-headless,
.mook-sheet.layout-gallery.is-headless,
.mook-sheet.layout-composite.is-headless {
  grid-template-rows: minmax(0, 1fr) auto;
}

.mook-sheet.layout-cover.is-headless > .sheet-body,
.mook-sheet.layout-contents.is-headless > .sheet-body,
.mook-sheet.layout-split.is-headless > .sheet-body,
.mook-sheet.layout-essay.is-headless > .sheet-body,
.mook-sheet.layout-gallery.is-headless > .sheet-body,
.mook-sheet.layout-composite.is-headless > .sheet-body {
  grid-row: 1;
}

.mook-sheet.layout-cover > .sheet-body {
  grid-row: 1;
}

.mook-sheet.layout-contents {
  align-items: stretch;
}

.mook-sheet.layout-composite {
  align-items: stretch;
}

.mook-sheet.layout-quote {
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  grid-template-areas:
    "head head"
    "quote body"
    "foot foot";
  align-items: start;
}

.mook-sheet.align-center .sheet-head {
  text-align: center;
  justify-self: center;
}

.mook-sheet.emphasis-dramatic .sheet-title {
  font-size: calc(var(--sheet-type-max) * 1.28);
}

.mook-sheet.body-s .rich-body {
  font-size: calc(var(--sheet-type-base) * 0.92);
}

.mook-sheet.body-m .rich-body {
  font-size: var(--sheet-type-base);
}

.mook-sheet.body-l .rich-body {
  font-size: calc(var(--sheet-type-base) * 1.1);
}

.sheet-head {
  display: grid;
  gap: 10px;
}

.sheet-running-head {
  position: absolute;
  top: var(--sheet-pad-y);
  left: var(--sheet-pad-x);
  right: var(--sheet-pad-x);
  display: flex;
  align-items: center;
  min-height: var(--sheet-running-head-space);
  gap: 12px;
  font-size: var(--sheet-type-min);
  color: var(--sheet-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sheet-running-head::after {
  content: "";
  flex: 1 1 auto;
  min-width: 0;
  height: 1px;
  background: color-mix(in oklch, var(--sheet-accent) 16%, var(--sheet-line));
}

.sheet-running-head.is-odd {
  flex-direction: row-reverse;
}

.sheet-running-head-text {
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.sheet-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--sheet-type-min);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sheet-muted);
}

.sheet-kicker::before {
  content: "";
  width: 28px;
  height: 1px;
  background: color-mix(in oklch, var(--sheet-accent) 46%, var(--sheet-line));
}

.sheet-title {
  margin: 0;
  font-family:
    var(--page-font-zh),
    var(--page-font-en),
    "Source Han Serif SC",
    "Songti SC",
    "STSong",
    "Noto Serif CJK SC",
    "Iowan Old Style",
    Georgia,
    serif;
  font-size: calc(var(--sheet-type-max) * 1.08);
  line-height: 0.94;
  letter-spacing: -0.04em;
}

.sheet-lead {
  max-width: 40ch;
  color: var(--sheet-muted);
  font-size: calc(var(--sheet-type-base) * 1.08);
  line-height: 1.6;
}

.sheet-lead p {
  margin: 0 0 0.75em;
}

.sheet-lead > :last-child {
  margin-bottom: 0;
}

.composite-flow-kicker {
  display: flex;
  width: fit-content;
  max-width: 100%;
  line-height: 1;
  margin: 0 0 clamp(14px, 2vw, 18px);
}

.composite-flow-title {
  margin: 0 0 12px;
}

.composite-flow-lead {
  margin: 0 0 1em;
}

.sheet-body {
  min-height: 0;
  display: grid;
  gap: clamp(14px, 2vw, 18px);
  align-self: start;
  max-height: var(--sheet-body-usage);
}

.sheet-body.layout-essay,
.mook-sheet.layout-quote .sheet-body {
  position: relative;
  height: min(100%, var(--sheet-body-usage));
  align-content: start;
  overflow: hidden;
}

.sheet-body.layout-essay.columns-2 .rich-body {
  height: 100%;
  min-height: 0;
}

.sheet-body.layout-cover {
  height: 100%;
  max-height: none;
  align-self: stretch;
}

.sheet-body.layout-contents {
  height: min(100%, var(--sheet-body-usage));
  align-self: stretch;
  overflow: hidden;
}

.contents-layout {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: clamp(16px, 2vw, 20px);
  width: 100%;
  height: 100%;
  min-height: 0;
}

.contents-head {
  display: grid;
  gap: 8px;
  align-content: start;
  padding-bottom: 12px;
  border-bottom: 1px solid color-mix(in oklch, var(--sheet-line) 82%, transparent);
}

.contents-kicker {
  margin: 0;
}

.contents-title {
  margin: 0;
  max-width: 10ch;
  text-wrap: balance;
}

.contents-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px 18px;
  margin: 0;
  padding: 0;
  list-style: none;
  align-content: start;
  height: 100%;
  min-height: 0;
}

.contents-layout.columns-2 .contents-list {
  display: block;
  column-count: 2;
  column-gap: 18px;
  column-fill: auto;
}

.contents-layout.columns-2 .contents-item {
  break-inside: avoid;
  margin: 0 0 10px;
}

.contents-item {
  display: grid;
  grid-template-columns: auto minmax(0, 9fr) auto;
  gap: 10px;
  align-items: baseline;
  min-width: 0;
  padding: 4px 0 8px;
  border-bottom: 1px solid color-mix(in oklch, var(--sheet-line) 58%, transparent);
}

.contents-item.is-index-hidden {
  grid-template-columns: minmax(0, 9fr) auto;
}

.contents-item.level-1 {
  padding-top: 8px;
}

.contents-item.level-1 .contents-entry-title {
  font-weight: 600;
}

.contents-item.level-2 .contents-entry-title {
  padding-left: 1.2em;
  font-size: calc(var(--sheet-type-base) * 0.96);
  color: color-mix(in oklch, var(--sheet-ink) 76%, var(--sheet-accent));
}

.contents-item.level-2 .contents-index {
  color: color-mix(in oklch, var(--sheet-muted) 86%, var(--sheet-accent));
}

.contents-index {
  min-width: 2.2em;
  color: var(--sheet-muted);
  font-size: calc(var(--sheet-type-min) * 0.96);
  letter-spacing: 0.18em;
  font-variant-numeric: tabular-nums;
}

.contents-entry-title {
  min-width: 0;
  font-size: calc(var(--sheet-type-base) * 1.02);
  line-height: 1.45;
  text-wrap: pretty;
}

.contents-dots {
  display: none;
}

.contents-entry-page {
  min-width: 2.2em;
  justify-self: end;
  font-size: calc(var(--sheet-type-base) * 0.94);
  color: color-mix(in oklch, var(--sheet-ink) 82%, var(--sheet-accent));
  font-variant-numeric: tabular-nums;
}

.cover-layout {
  position: relative;
  display: grid;
  width: 100%;
  height: 100%;
  min-height: 0;
  padding:
    calc(var(--sheet-pad-y) + var(--sheet-running-head-space))
    var(--sheet-pad-x)
    calc(var(--sheet-pad-y) + var(--sheet-foot-height))
    var(--sheet-pad-x);
  box-sizing: border-box;
  gap: clamp(14px, 2vw, 20px);
  align-items: stretch;
  align-content: stretch;
}

.cover-layout > * {
  min-width: 0;
}

.cover-part-kicker {
  margin: 0;
  align-self: start;
}

.cover-part-title {
  align-self: start;
  margin: 0;
  font-size: calc(var(--sheet-type-max) * 1.34);
  line-height: 0.92;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.cover-part-lead {
  margin: 0;
  max-width: 36ch;
  text-wrap: pretty;
}

.cover-part-media {
  position: relative;
  display: grid;
  grid-template-rows: minmax(0, 1fr);
  width: 100%;
  min-width: 0;
  min-height: 0;
  margin: 0;
  border: 0;
  background: transparent;
  overflow: visible;
}

.cover-part-media[data-media-slot-id] {
  pointer-events: auto;
  cursor: pointer;
}

.cover-part-media.is-active {
  box-shadow: inset 0 0 0 2px color-mix(in oklch, var(--sheet-accent) 56%, white);
}

.cover-part-media.is-fill {
  height: 100%;
  align-self: stretch;
}

.cover-part-media.is-inset {
  align-self: start;
}

.cover-part-media.is-edge {
  --cover-bleed-top: 0px;
  --cover-bleed-right: 0px;
  --cover-bleed-bottom: 0px;
  --cover-bleed-left: 0px;
  position: relative;
}

.cover-part-media.supports-cover-ratio.is-edge {
  aspect-ratio: var(--slot-ratio, 1.3333);
}

.cover-media-frame {
  position: relative;
  width: 100%;
  min-width: 0;
  min-height: 0;
  height: auto;
  max-width: 100%;
  aspect-ratio: var(--slot-ratio, 1.3333);
  overflow: hidden;
  background: transparent;
}

.cover-part-media.is-fill .cover-media-frame {
  height: 100%;
  aspect-ratio: auto;
}

.cover-part-media.is-edge .cover-media-frame {
  position: absolute;
  top: calc(-1 * var(--cover-bleed-top));
  right: calc(-1 * var(--cover-bleed-right));
  bottom: calc(-1 * var(--cover-bleed-bottom));
  left: calc(-1 * var(--cover-bleed-left));
  width: auto;
  height: auto;
  min-height: 0;
  max-width: none;
  aspect-ratio: auto;
}

.cover-part-media.is-inset .cover-media-frame {
  min-height: clamp(180px, 30vh, 320px);
}

.cover-part-media.has-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: 50% 50%;
}

.cover-part-media.fit-contain.has-media img {
  object-fit: contain;
}

.cover-layout.variant-top-banner.has-media-slot .cover-part-media.is-edge,
.cover-layout.variant-bottom-banner.has-media-slot .cover-part-media.is-edge,
.cover-layout.variant-poster-left.has-media-slot .cover-part-media.is-edge,
.cover-layout.variant-poster-center.has-media-slot .cover-part-media.is-edge {
  --cover-bleed-left: var(--sheet-pad-x);
  --cover-bleed-right: var(--sheet-pad-x);
}

.cover-layout.variant-top-banner.has-media-slot .cover-part-media.is-edge,
.cover-layout.variant-split-left.has-media-slot .cover-part-media.is-edge,
.cover-layout.variant-split-right.has-media-slot .cover-part-media.is-edge,
.cover-layout.variant-poster-left.has-media-slot .cover-part-media.is-edge,
.cover-layout.variant-poster-center.has-media-slot .cover-part-media.is-edge {
  --cover-bleed-top: calc(var(--sheet-pad-y) + var(--sheet-running-head-space));
}

.cover-layout.variant-bottom-banner.has-media-slot .cover-part-media.is-edge,
.cover-layout.variant-split-left.has-media-slot .cover-part-media.is-edge,
.cover-layout.variant-split-right.has-media-slot .cover-part-media.is-edge,
.cover-layout.variant-poster-left.has-media-slot .cover-part-media.is-edge,
.cover-layout.variant-poster-center.has-media-slot .cover-part-media.is-edge {
  --cover-bleed-bottom: calc(var(--sheet-pad-y) + var(--sheet-foot-height));
}

.cover-layout.variant-split-left.has-media-slot .cover-part-media.is-edge {
  --cover-bleed-left: var(--sheet-pad-x);
}

.cover-layout.variant-split-right.has-media-slot .cover-part-media.is-edge {
  --cover-bleed-right: var(--sheet-pad-x);
}

.cover-media-placeholder {
  width: 100%;
  height: 100%;
  min-height: 100%;
  background: transparent;
}

.cover-layout.is-text-only {
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas:
    "kicker"
    "title"
    "lead";
  grid-auto-rows: max-content;
  align-content: center;
  justify-items: start;
}

.cover-layout.is-text-only .cover-part-kicker {
  grid-area: kicker;
}

.cover-layout.is-text-only .cover-part-title {
  grid-area: title;
  max-width: min(100%, 16ch);
}

.cover-layout.is-text-only .cover-part-lead {
  grid-area: lead;
  max-width: min(100%, 34ch);
}

.cover-layout.is-text-only.variant-center-stack,
.cover-layout.is-text-only.variant-poster-center {
  justify-items: center;
  text-align: center;
}

.cover-layout.is-text-only.variant-center-stack .cover-part-kicker,
.cover-layout.is-text-only.variant-poster-center .cover-part-kicker,
.cover-layout.is-text-only.variant-center-stack .cover-part-lead,
.cover-layout.is-text-only.variant-poster-center .cover-part-lead {
  justify-self: center;
  text-align: center;
}

.cover-layout.variant-center-stack.has-media-slot {
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: auto auto auto minmax(0, 1fr);
  grid-template-areas:
    "kicker"
    "title"
    "lead"
    "media";
  justify-items: center;
  text-align: center;
}

.cover-layout.variant-center-stack.has-media-slot .cover-part-kicker {
  grid-area: kicker;
  justify-self: center;
}

.cover-layout.variant-center-stack.has-media-slot .cover-part-title {
  grid-area: title;
  justify-self: center;
  max-width: min(100%, 14ch);
}

.cover-layout.variant-center-stack.has-media-slot .cover-part-lead {
  grid-area: lead;
  justify-self: center;
  max-width: min(100%, 32ch);
  text-align: center;
}

.cover-layout.variant-center-stack.has-media-slot .cover-part-media {
  grid-area: media;
  width: min(100%, 72%);
  justify-self: center;
  align-self: end;
}

.cover-layout.variant-top-banner.has-media-slot {
  grid-template-columns: minmax(0, 0.76fr) minmax(0, 0.24fr);
  grid-template-rows: auto auto minmax(0, 1fr);
  grid-template-areas:
    "media media"
    "kicker lead"
    "title title";
}

.cover-layout.variant-top-banner.has-media-slot .cover-part-media {
  grid-area: media;
}

.cover-layout.variant-top-banner.has-media-slot .cover-part-media.supports-cover-ratio {
  align-self: start;
}

.cover-layout.variant-top-banner.has-media-slot .cover-part-kicker {
  grid-area: kicker;
  max-width: min(100%, 18ch);
}

.cover-layout.variant-top-banner.has-media-slot .cover-part-title {
  grid-area: title;
  max-width: min(100%, 18ch);
}

.cover-layout.variant-top-banner.has-media-slot .cover-part-lead {
  grid-area: lead;
  justify-self: end;
  max-width: min(100%, 14ch);
  text-align: right;
}

.cover-layout.variant-bottom-banner.has-media-slot {
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 0.28fr);
  grid-template-rows: auto minmax(0, 1fr) auto;
  grid-template-areas:
    "kicker lead"
    "title title"
    "media media";
}

.cover-layout.variant-bottom-banner.has-media-slot .cover-part-kicker {
  grid-area: kicker;
  max-width: min(100%, 18ch);
}

.cover-layout.variant-bottom-banner.has-media-slot .cover-part-title {
  grid-area: title;
  max-width: min(100%, 18ch);
}

.cover-layout.variant-bottom-banner.has-media-slot .cover-part-lead {
  grid-area: lead;
  justify-self: end;
  max-width: min(100%, 14ch);
  text-align: right;
}

.cover-layout.variant-bottom-banner.has-media-slot .cover-part-media {
  grid-area: media;
}

.cover-layout.variant-bottom-banner.has-media-slot .cover-part-media.supports-cover-ratio {
  align-self: end;
}

.cover-layout.variant-split-left.has-media-slot,
.cover-layout.variant-split-right.has-media-slot {
  grid-template-rows: auto minmax(0, 1fr) auto;
}

.cover-layout.variant-split-left.has-media-slot {
  grid-template-columns: minmax(0, 0.94fr) minmax(0, 1.06fr);
  grid-template-areas:
    "media kicker"
    "media title"
    "media lead";
}

.cover-layout.variant-split-right.has-media-slot {
  grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  grid-template-areas:
    "kicker media"
    "title media"
    "lead media";
}

.cover-layout.variant-split-left.has-media-slot .cover-part-media,
.cover-layout.variant-split-right.has-media-slot .cover-part-media {
  grid-area: media;
  align-self: stretch;
}

.cover-layout.variant-split-left.has-media-slot .cover-part-media,
.cover-layout.variant-split-right.has-media-slot .cover-part-media,
.cover-layout.variant-poster-left.has-media-slot .cover-part-media,
.cover-layout.variant-poster-center.has-media-slot .cover-part-media {
  --cover-edge-top: calc(var(--sheet-pad-y) + var(--sheet-running-head-space));
  --cover-edge-bottom: calc(var(--sheet-pad-y) + var(--sheet-foot-height));
  max-width: none;
}

.cover-layout.variant-split-left.has-media-slot .cover-part-media {
  margin-top: calc(-1 * var(--cover-edge-top));
  margin-bottom: calc(-1 * var(--cover-edge-bottom));
  margin-left: calc(-1 * var(--sheet-pad-x));
  width: calc(100% + var(--sheet-pad-x));
  height: calc(100% + var(--cover-edge-top) + var(--cover-edge-bottom));
}

.cover-layout.variant-split-right.has-media-slot .cover-part-media {
  margin-top: calc(-1 * var(--cover-edge-top));
  margin-right: calc(-1 * var(--sheet-pad-x));
  margin-bottom: calc(-1 * var(--cover-edge-bottom));
  width: calc(100% + var(--sheet-pad-x));
  height: calc(100% + var(--cover-edge-top) + var(--cover-edge-bottom));
}

.cover-layout.variant-split-left.has-media-slot .cover-part-media .cover-media-frame,
.cover-layout.variant-split-right.has-media-slot .cover-part-media .cover-media-frame,
.cover-layout.variant-poster-left.has-media-slot .cover-part-media .cover-media-frame,
.cover-layout.variant-poster-center.has-media-slot .cover-part-media .cover-media-frame {
  position: relative;
  inset: auto;
  width: 100%;
  height: 100%;
  min-height: 0;
  max-width: none;
  aspect-ratio: auto;
}

.cover-layout.variant-split-left.has-media-slot .cover-part-kicker,
.cover-layout.variant-split-right.has-media-slot .cover-part-kicker {
  grid-area: kicker;
  max-width: min(100%, 18ch);
}

.cover-layout.variant-split-left.has-media-slot .cover-part-title,
.cover-layout.variant-split-right.has-media-slot .cover-part-title {
  grid-area: title;
  align-self: center;
  max-width: min(100%, 16ch);
}

.cover-layout.variant-split-left.has-media-slot .cover-part-lead,
.cover-layout.variant-split-right.has-media-slot .cover-part-lead {
  grid-area: lead;
  align-self: end;
  max-width: min(100%, 26ch);
}

.cover-layout.variant-poster-left.has-media-slot,
.cover-layout.variant-poster-center.has-media-slot {
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: auto minmax(0, 1fr) auto;
  overflow: hidden;
}

.cover-layout.variant-poster-left.has-media-slot .cover-part-media,
.cover-layout.variant-poster-center.has-media-slot .cover-part-media {
  grid-column: 1;
  grid-row: 1 / 4;
  align-self: stretch;
  margin-top: calc(-1 * (var(--sheet-pad-y) + var(--sheet-running-head-space)));
  margin-right: calc(-1 * var(--sheet-pad-x));
  margin-bottom: calc(-1 * (var(--sheet-pad-y) + var(--sheet-foot-height)));
  margin-left: calc(-1 * var(--sheet-pad-x));
  width: calc(100% + (var(--sheet-pad-x) * 2));
  height: calc(100% + (var(--sheet-pad-y) * 2) + var(--sheet-running-head-space) + var(--sheet-foot-height));
  max-width: none;
}

.cover-layout.variant-poster-left.has-media-slot .cover-part-kicker,
.cover-layout.variant-poster-left.has-media-slot .cover-part-title,
.cover-layout.variant-poster-left.has-media-slot .cover-part-lead,
.cover-layout.variant-poster-center.has-media-slot .cover-part-kicker,
.cover-layout.variant-poster-center.has-media-slot .cover-part-title,
.cover-layout.variant-poster-center.has-media-slot .cover-part-lead {
  position: relative;
  z-index: 1;
  width: fit-content;
  max-width: min(100%, 32ch);
  padding: 6px 10px;
  background: color-mix(in oklch, var(--sheet-bg) 84%, transparent);
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.cover-layout.variant-poster-left.has-media-slot .cover-part-kicker {
  grid-column: 1;
  grid-row: 1;
  justify-self: start;
  align-self: start;
}

.cover-layout.variant-poster-left.has-media-slot .cover-part-title {
  grid-column: 1;
  grid-row: 2;
  justify-self: start;
  align-self: center;
  max-width: min(100%, 16ch);
}

.cover-layout.variant-poster-left.has-media-slot .cover-part-lead {
  grid-column: 1;
  grid-row: 3;
  justify-self: start;
  align-self: end;
  max-width: min(100%, 24ch);
}

.cover-layout.variant-poster-center.has-media-slot {
  justify-items: center;
  text-align: center;
}

.cover-layout.variant-poster-center.has-media-slot .cover-part-kicker {
  grid-column: 1;
  grid-row: 1;
  justify-self: center;
  align-self: start;
}

.cover-layout.variant-poster-center.has-media-slot .cover-part-title {
  grid-column: 1;
  grid-row: 2;
  justify-self: center;
  align-self: center;
  max-width: min(100%, 16ch);
}

.cover-layout.variant-poster-center.has-media-slot .cover-part-lead {
  grid-column: 1;
  grid-row: 3;
  justify-self: center;
  align-self: end;
  max-width: min(100%, 28ch);
  text-align: center;
}

.cover-layout.variant-inset-right.has-media-slot,
.cover-layout.variant-inset-left.has-media-slot {
  grid-template-rows: auto minmax(0, 1fr) auto;
}

.cover-layout.variant-inset-right.has-media-slot {
  grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
  grid-template-areas:
    "kicker media"
    "title media"
    "lead lead";
}

.cover-layout.variant-inset-left.has-media-slot {
  grid-template-columns: minmax(0, 0.96fr) minmax(0, 1.04fr);
  grid-template-areas:
    "media kicker"
    "media title"
    "lead lead";
}

.cover-layout.variant-inset-right.has-media-slot .cover-part-kicker,
.cover-layout.variant-inset-left.has-media-slot .cover-part-kicker {
  grid-area: kicker;
  max-width: min(100%, 18ch);
}

.cover-layout.variant-inset-right.has-media-slot .cover-part-title,
.cover-layout.variant-inset-left.has-media-slot .cover-part-title {
  grid-area: title;
  max-width: min(100%, 15ch);
}

.cover-layout.variant-inset-right.has-media-slot .cover-part-lead,
.cover-layout.variant-inset-left.has-media-slot .cover-part-lead {
  grid-area: lead;
  max-width: min(100%, 28ch);
}

.cover-layout.variant-inset-right.has-media-slot .cover-part-media,
.cover-layout.variant-inset-left.has-media-slot .cover-part-media {
  grid-area: media;
  width: min(100%, 228px);
}

.cover-layout.variant-inset-right.has-media-slot .cover-part-media {
  justify-self: end;
}

.cover-layout.variant-inset-left.has-media-slot .cover-part-media {
  justify-self: start;
}

.sheet-body.layout-split,
.sheet-body.layout-gallery {
  height: min(100%, var(--sheet-body-usage));
}

.sheet-body.composite-sheet-body {
  height: 100%;
  max-height: none;
  align-self: stretch;
}

.mook-sheet.layout-quote .sheet-head {
  grid-area: head;
  position: relative;
  z-index: 4;
}

.mook-sheet.layout-quote .sheet-quote {
  grid-area: quote;
  align-self: start;
  position: relative;
  z-index: 2;
}

.mook-sheet.layout-quote .sheet-body {
  grid-area: body;
  position: relative;
  z-index: 2;
}

.mook-sheet.layout-quote .sheet-foot {
  z-index: 4;
}

.quote-inset-media-overlay {
  --quote-inset-clearance: 12px;
  --quote-inset-width: clamp(118px, 28%, 192px);
  position: absolute;
  top: calc(var(--sheet-pad-y) + var(--quote-inset-clearance));
  left: calc(100% - var(--sheet-pad-x) - var(--quote-inset-clearance) - var(--quote-inset-width));
  width: var(--quote-inset-width);
  max-width: calc(100% - (var(--sheet-pad-x) * 2) - (var(--quote-inset-clearance) * 2));
  z-index: 3;
  pointer-events: none;
}

.quote-inset-media-overlay .sheet-media-slot {
  width: 100%;
  height: auto;
  min-height: 0;
  pointer-events: auto;
}

.composite-sheet-body {
  display: grid;
  grid-template-rows: minmax(0, 1fr);
  align-items: stretch;
}

.composite-body-tree,
.composite-node,
.composite-branch {
  min-width: 0;
  min-height: 0;
}

.composite-body-tree {
  display: grid;
  grid-template-rows: minmax(0, 1fr);
  height: 100%;
  align-items: stretch;
}

.composite-branch {
  display: grid;
  grid-template-rows: minmax(0, 1fr);
  align-items: stretch;
}

.composite-frame,
.composite-region {
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-rows: minmax(0, 1fr);
  align-items: stretch;
  box-sizing: border-box;
  padding: var(--composite-node-padding, 0px);
  border: var(--composite-node-border-width, 0px) solid var(--composite-node-border-color, transparent);
  background: var(--composite-node-background, transparent);
}

.composite-frame > .composite-node {
  width: 100%;
  height: min(100%, var(--composite-node-usage, 100%));
  align-self: start;
}

.composite-node {
  display: flex;
  gap: var(--composite-node-gap, 12px);
  width: 100%;
  height: 100%;
}

.composite-node.axis-horizontal {
  flex-direction: column;
}

.composite-frame.align-y-bottom > .composite-node.axis-horizontal {
  flex-direction: column-reverse;
}

.composite-node.axis-vertical {
  flex-direction: row;
}

.composite-frame.align-x-right > .composite-node.axis-vertical {
  flex-direction: row-reverse;
}

.composite-branch.branch-leading {
  flex: var(--split-leading, 0.5) 1 0;
}

.composite-branch.branch-trailing {
  flex: var(--split-trailing, 0.5) 1 0;
}

.composite-region > .sheet-body {
  height: 100%;
  min-width: 0;
  min-height: 0;
  align-self: stretch;
  overflow: hidden;
}

.composite-region.align-y-center {
  align-content: center;
}

.composite-region.align-y-bottom {
  align-content: end;
}

.composite-region.align-x-center > .sheet-body {
  justify-items: center;
  justify-content: center;
}

.composite-region.align-x-right > .sheet-body {
  justify-items: end;
  justify-content: end;
}

.composite-region.align-x-center .sheet-kicker,
.composite-region.align-x-center .sheet-title,
.composite-region.align-x-center .sheet-lead,
.composite-region.align-x-center .sheet-media-slot-caption {
  text-align: center;
}

.composite-region.align-x-right .sheet-kicker,
.composite-region.align-x-right .sheet-title,
.composite-region.align-x-right .sheet-lead,
.composite-region.align-x-right .sheet-media-slot-caption {
  text-align: right;
}

.composite-region.align-x-center .sheet-media {
  justify-items: center;
}

.composite-region.align-x-right .sheet-media {
  justify-items: end;
}

.sheet-body.columns-2 .rich-body {
  column-count: 2;
  column-gap: var(--sheet-column-gap);
  column-fill: auto;
}

.sheet-body.is-paragraph-indent .rich-body > p,
.sheet-split-body.is-paragraph-indent .rich-body > p,
.sheet-body.is-paragraph-indent .dom-flow-slot-body > p,
.sheet-split-body.is-paragraph-indent .dom-flow-slot-body > p {
  text-indent: 2em;
}

.sheet-body.is-paragraph-indent .rich-body > p.is-continuation,
.sheet-split-body.is-paragraph-indent .rich-body > p.is-continuation,
.sheet-body.is-paragraph-indent .dom-flow-slot-body > p.is-continuation,
.sheet-split-body.is-paragraph-indent .dom-flow-slot-body > p.is-continuation {
  text-indent: 0;
}

.sheet-body.is-dropcap .rich-body > p:first-of-type::first-letter,
.sheet-split-body.is-dropcap .rich-body > p:first-of-type::first-letter {
  float: left;
  margin-right: 0.12em;
  font-size: 3.7em;
  line-height: 0.84;
  color: var(--sheet-accent);
}

.sheet-body.is-dropcap .rich-body > p:first-of-type,
.sheet-split-body.is-dropcap .rich-body > p:first-of-type {
  text-indent: 0;
}

.rich-body {
  font-size: var(--sheet-type-base);
  line-height: 1.68;
  font-kerning: normal;
  text-rendering: optimizeLegibility;
}

.rich-body > :first-child {
  margin-top: 0;
}

.rich-body > :last-child {
  margin-bottom: 0;
}

.rich-body p,
.rich-body ul,
.rich-body ol,
.rich-body blockquote,
.rich-body pre,
.rich-body figure,
.rich-body h4,
.rich-body h3 {
  break-inside: avoid;
  margin: 0 0 1em;
}

.rich-body h3 {
  font-size: calc(var(--sheet-type-base) * 1.08);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.rich-body h4 {
  font-size: calc(var(--sheet-type-base) * 0.98);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.rich-body p,
.rich-body li,
.rich-body blockquote,
.sheet-quote {
  text-align: justify;
  text-align-last: auto;
  text-justify: inter-character;
  line-break: auto;
  word-break: normal;
  overflow-wrap: normal;
  hyphens: auto;
  hanging-punctuation: allow-end;
}

.rich-body ul,
.rich-body ol {
  padding-left: 1.2em;
}

.rich-body blockquote,
.sheet-quote {
  padding-left: 16px;
  border-left: 1px solid color-mix(in oklch, var(--sheet-accent) 42%, var(--sheet-line));
  color: color-mix(in oklch, var(--sheet-ink) 82%, var(--sheet-accent));
}

.sheet-table-wrap {
  width: 100%;
  overflow: hidden;
}

.sheet-markdown-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  font-size: 0.92em;
  line-height: 1.5;
  color: inherit;
  border-top: 1px solid color-mix(in oklch, var(--sheet-line) 82%, transparent);
  border-bottom: 1px solid color-mix(in oklch, var(--sheet-line) 82%, transparent);
}

.sheet-markdown-table th,
.sheet-markdown-table td {
  padding: 0.48em 0.56em;
  vertical-align: top;
  border-bottom: 1px solid color-mix(in oklch, var(--sheet-line) 56%, transparent);
  overflow-wrap: anywhere;
  word-break: break-word;
  text-align: left;
}

.sheet-markdown-table thead th {
  font-weight: 700;
  color: color-mix(in oklch, var(--sheet-ink) 90%, var(--sheet-accent));
}

.sheet-markdown-table tbody tr:last-child td {
  border-bottom: 0;
}

.sheet-markdown-table .align-center {
  text-align: center;
}

.sheet-markdown-table .align-right {
  text-align: right;
}

.rich-body pre {
  max-width: 100%;
  overflow: hidden;
  padding: 14px;
  border-radius: var(--radius-s);
  background: rgba(68, 58, 49, 0.06);
  font-family: var(--page-code-font);
  font-size: 0.9em;
  line-height: 1.62;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
  hyphens: none;
  tab-size: 2;
}

.rich-body code {
  font-family: var(--page-code-font);
}

.rich-body pre code {
  font-family: inherit;
  white-space: inherit;
  overflow-wrap: inherit;
  word-break: inherit;
}

.sheet-latex-inline {
  display: inline-block;
  max-width: 100%;
  vertical-align: -0.08em;
}

.sheet-latex-inline.is-display {
  display: block;
  margin: 0.9em 0;
  text-align: center;
  vertical-align: baseline;
}

.sheet-latex-inline .katex {
  font-size: 1em;
}

.sheet-latex-inline.is-display .katex-display {
  margin: 0;
}

.sheet-latex-error {
  color: #8f4637;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.92em;
  white-space: pre-wrap;
}

.sheet-math-block {
  display: block;
  margin: 1.05em 0 1.15em;
  overflow-x: auto;
  overflow-y: hidden;
  text-align: center;
  break-inside: avoid;
  page-break-inside: avoid;
}

.sheet-math-block .katex-display {
  margin: 0;
}

.rich-body a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: color-mix(in oklch, var(--sheet-accent) 44%, var(--sheet-line));
}

.sheet-media {
  display: grid;
  gap: 10px;
  margin: 0;
  min-width: 0;
  min-height: 0;
  max-width: 100%;
  width: 100%;
  border-radius: 0;
  overflow: visible;
  border: 0;
  background: transparent;
  align-items: stretch;
  grid-template-columns: minmax(0, 1fr);
}

.inline-figure {
  display: grid;
  gap: 10px;
  margin: 0;
  border-radius: 2px;
  overflow: hidden;
  border: 1px solid rgba(107, 88, 70, 0.15);
  background: rgba(255, 255, 255, 0.5);
}

.sheet-media.is-empty {
  display: grid;
}

.sheet-media-slot {
  display: grid;
  position: relative;
  margin: 0;
  grid-template-rows: minmax(0, 1fr) auto;
  align-items: stretch;
  align-content: stretch;
  gap: 8px;
  width: 100%;
  height: 100%;
  min-height: 0;
  max-width: 100%;
  max-height: 100%;
  border: 0;
  background: transparent;
  overflow: visible;
  cursor: default;
}

.sheet-media-slot[data-media-slot-id] {
  pointer-events: auto;
  cursor: pointer;
}

.essay-flow-media[data-media-slot-id] {
  pointer-events: auto;
  cursor: pointer;
}

.sheet-media-slot.has-media {
  background: transparent;
}

.sheet-media-slot.has-media.has-no-caption {
  grid-template-rows: minmax(0, 1fr);
  gap: 0;
}

.sheet-media-slot.is-active {
  box-shadow: inset 0 0 0 2px color-mix(in oklch, var(--sheet-accent) 56%, white);
}

.sheet-media-slot.is-empty {
  gap: 0;
  grid-template-rows: minmax(0, 1fr);
}

.sheet-media-slot-frame {
  position: relative;
  display: grid;
  place-items: center;
  align-self: stretch;
  justify-self: stretch;
  width: 100%;
  height: auto;
  min-height: 0;
  max-width: 100%;
  max-height: 100%;
  aspect-ratio: var(--slot-ratio, 1);
  overflow: hidden;
  background: transparent;
}

.sheet-media-slot.has-media .sheet-media-slot-frame {
  background: transparent;
}

.sheet-media-slot.is-empty .sheet-media-slot-frame {
  background:
    linear-gradient(180deg, rgba(250, 245, 239, 0.94), rgba(239, 230, 220, 0.94)),
    repeating-linear-gradient(135deg, rgba(117, 94, 70, 0.08) 0 10px, transparent 10px 20px);
}

.sheet-media-slot-placeholder {
  display: grid;
  place-items: center;
  min-height: 100%;
  padding: 22px 14px;
  text-align: center;
  color: color-mix(in oklch, var(--sheet-muted) 84%, var(--sheet-accent));
}

.sheet-media-slot-placeholder.is-blank {
  padding: 0;
}

.sheet-media-slot-placeholder strong {
  font-size: var(--sheet-type-min);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 600;
}

.sheet-media-blank {
  width: 100%;
  height: 100%;
  min-height: 100%;
  border: 1px solid color-mix(in oklch, var(--sheet-line) 88%, var(--sheet-accent));
  background: color-mix(in oklch, white 92%, var(--sheet-bg));
}

.sheet-media-slot-caption {
  padding: 0;
  color: var(--sheet-muted);
  font-size: calc(var(--sheet-type-min) * 0.92);
  line-height: 1.5;
  text-align: left;
  align-self: start;
  justify-self: stretch;
}

.sheet-media-slot-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: 50% 50%;
}

.sheet-media-slot.fit-cover .sheet-media-slot-frame img {
  object-fit: cover;
  object-position: 50% 50%;
}

.sheet-media-slot.fit-contain .sheet-media-slot-frame img {
  object-fit: contain;
  object-position: 50% 50%;
}

.sheet-freeblock-layer {
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
}

.sheet-freeblock {
  --freeblock-font-size: 10.5pt;
  --freeblock-border-width: 0px;
  --freeblock-border-color: rgba(107, 88, 70, 0.26);
  --freeblock-background: rgba(255, 255, 255, 0.18);
  position: absolute;
  display: grid;
  align-content: start;
  justify-items: start;
  padding: 8px;
  border: var(--freeblock-border-width) solid var(--freeblock-border-color);
  background: var(--freeblock-background);
  backdrop-filter: blur(1px);
  overflow: hidden;
  pointer-events: auto;
  cursor: move;
  user-select: none;
  touch-action: none;
}

.sheet-freeblock.type-image {
  background: rgba(255, 255, 255, 0.12);
}

.sheet-freeblock.type-text {
  justify-items: stretch;
  padding: 10px 12px;
}

.sheet-freeblock.is-active {
  border-color: color-mix(in oklch, var(--sheet-accent) 62%, white);
  box-shadow: inset 0 0 0 1px color-mix(in oklch, var(--sheet-accent) 62%, white);
}

.sheet-freeblock-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: block;
  overflow: hidden;
}

.sheet-freeblock-media.has-media img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: 50% 50%;
}

.sheet-freeblock-media.is-empty {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.2), rgba(242, 233, 221, 0.24)),
    repeating-linear-gradient(135deg, rgba(107, 88, 70, 0.1) 0 10px, transparent 10px 20px);
}

.mook-sheet .sheet-freeblock-copy.rich-body {
  position: relative;
  z-index: 1;
  display: grid;
  align-content: start;
  gap: 0;
  width: 100%;
  min-height: 0;
  overflow: hidden;
  pointer-events: none;
  font-size: var(--freeblock-font-size);
  line-height: 1.6;
  color: var(--freeblock-font-color, var(--sheet-ink));
  font-family:
    var(--freeblock-font-family),
    var(--page-font-zh),
    var(--page-font-en),
    "Source Han Serif SC",
    "Songti SC",
    "STSong",
    "Noto Serif CJK SC",
    "Iowan Old Style",
    Georgia,
    serif;
}

.sheet-freeblock-copy h4,
.sheet-freeblock-copy p,
.sheet-freeblock-copy ul,
.sheet-freeblock-copy ol,
.sheet-freeblock-copy blockquote,
.sheet-freeblock-copy li {
  margin: 0 0 0.75em;
  font-size: inherit;
  line-height: inherit;
}

.sheet-freeblock-copy > :last-child {
  margin-bottom: 0;
}

.sheet-freeblock-copy h4 {
  font-weight: 700;
  letter-spacing: 0.04em;
}

.sheet-freeblock-copy p,
.sheet-freeblock-copy li,
.sheet-freeblock-copy blockquote {
  text-align: justify;
  text-align-last: auto;
  text-justify: inter-character;
  line-break: auto;
  word-break: normal;
  overflow-wrap: normal;
}

.sheet-freeblock-copy ul,
.sheet-freeblock-copy ol {
  padding-left: 1.2em;
}

.sheet-freeblock-copy blockquote {
  padding-left: 12px;
  border-left: 1px solid color-mix(in oklch, var(--sheet-accent) 40%, var(--sheet-line));
  color: color-mix(in oklch, var(--sheet-ink) 84%, var(--sheet-accent));
}

.sheet-freeblock-copy.is-heti {
  max-width: none;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
  letter-spacing: 0.02em;
  overflow-wrap: anywhere;
  word-wrap: break-word;
  hyphens: none;
}

.sheet-freeblock-copy.is-heti h4,
.sheet-freeblock-copy.is-heti p {
  margin: 0 0 0.75em;
  font-size: inherit;
  font-family: inherit;
  line-height: inherit;
}

.sheet-freeblock-copy.is-heti h4 {
  font-weight: 700;
  letter-spacing: 0.04em;
  text-align: center;
}

.sheet-freeblock-copy.is-heti.heti--poetry p {
  text-align: center;
  text-align-last: center;
  margin-bottom: 0.68em;
}

.sheet-freeblock-copy.is-heti.heti--ancient p {
  text-align: justify;
}

.sheet-freeblock-copy.is-heti.heti--vertical {
  display: block;
  width: 100%;
  height: 100%;
  max-height: none;
  overflow: hidden;
}

.sheet-freeblock-copy.is-heti.heti--vertical h4,
.sheet-freeblock-copy.is-heti.heti--vertical p {
  margin: 0;
  margin-block-end: 0.75em;
}

.sheet-freeblock-copy.is-heti.heti--vertical > :last-child {
  margin-block-end: 0;
}

.sheet-freeblock-resize {
  position: absolute;
  z-index: 2;
  right: 0;
  bottom: 0;
  width: 18px;
  height: 18px;
  border: 0;
  background: transparent;
  cursor: nwse-resize;
  opacity: 0;
}

.sheet-freeblock.is-auto-height .sheet-freeblock-resize {
  cursor: ew-resize;
}

.viewer-freeblock-stock {
  display: grid;
  gap: 8px;
}

.viewer-freeblock-stock-meta {
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--muted);
}

body.is-freeblock-adjusting,
body.is-freeblock-adjusting * {
  user-select: none;
}

.sheet-split-media .sheet-media,
.sheet-gallery-body .sheet-media {
  width: 100%;
}

.essay-flow-media {
  display: grid;
  grid-auto-rows: max-content;
  align-self: start;
  align-content: start;
  justify-self: start;
  width: min(100%, 78%);
  max-width: 100%;
  margin: 0 0 1.15em;
  break-inside: avoid;
  page-break-inside: avoid;
}

.essay-flow-media.size-s {
  width: min(100%, 62%);
}

.essay-flow-media.size-m {
  width: min(100%, 78%);
}

.essay-flow-media.size-l {
  width: 100%;
}

.sheet-body.layout-essay.columns-2 .essay-flow-media {
  width: 100%;
}

.dom-flow-slot-body > .essay-flow-media:first-child {
  margin-top: 0;
}

.essay-flow-media .sheet-media-slot {
  grid-template-rows: auto auto;
  height: auto;
}

.essay-flow-media .sheet-media-slot-frame {
  align-self: start;
}

.sheet-split-body {
  display: grid;
  gap: clamp(14px, 2vw, 18px);
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  grid-template-columns: minmax(0, var(--split-copy-track, 0.62fr)) minmax(0, var(--split-media-track, 0.38fr));
  align-items: stretch;
}

.sheet-split-body.media-left {
  grid-template-columns: minmax(0, var(--split-media-track, 0.38fr)) minmax(0, var(--split-copy-track, 0.62fr));
}

.sheet-split-body.media-left .sheet-split-media {
  order: 1;
}

.sheet-split-body.media-left .sheet-split-copy {
  order: 2;
}

.sheet-split-body.media-right .sheet-split-copy {
  order: 1;
}

.sheet-split-body.media-right .sheet-split-media {
  order: 2;
}

.sheet-split-copy,
.sheet-split-media,
.sheet-gallery-body {
  min-width: 0;
  min-height: 0;
}

.sheet-split-copy {
  position: relative;
  overflow: hidden;
}

.pretext-flow-layer {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
  pointer-events: none;
}

.dom-flow-layer {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
  pointer-events: auto;
}

.dom-flow-layer .dom-flow-slot,
.dom-flow-layer .dom-flow-slot-body {
  pointer-events: none;
}

.dom-flow-layer [data-media-slot-id] {
  pointer-events: auto;
}

.dom-flow-layer.is-measure {
  visibility: hidden;
}

.dom-flow-slot {
  position: absolute;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

.dom-flow-slot-body {
  position: relative;
  min-width: 0;
  width: 100%;
  height: 100%;
  min-height: 100%;
  max-height: 100%;
  overflow: hidden;
  columns: auto;
  column-count: initial;
  column-gap: 0;
}

.sheet-body.columns-2 .dom-flow-slot-body,
.sheet-split-copy.columns-2 .dom-flow-slot-body {
  columns: auto;
  column-count: initial;
  column-gap: 0;
}

.sheet-body.is-dropcap .dom-flow-slot-body > p:first-of-type::first-letter,
.sheet-split-body.is-dropcap .dom-flow-slot-body > p:first-of-type::first-letter {
  float: none;
  margin-right: 0;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
}

.sheet-body.is-dropcap .dom-flow-slot-body.is-first-slot > p:first-of-type::first-letter,
.sheet-split-body.is-dropcap .dom-flow-slot-body.is-first-slot > p:first-of-type::first-letter {
  float: left;
  margin-right: 0.12em;
  font-size: 3.7em;
  line-height: 0.84;
  color: var(--sheet-accent);
}

.sheet-body.is-dropcap .dom-flow-slot-body.is-first-slot > p:first-of-type,
.sheet-split-body.is-dropcap .dom-flow-slot-body.is-first-slot > p:first-of-type {
  text-indent: 0;
}

.pretext-flow-line,
.pretext-flow-quote-rule {
  position: absolute;
}

.pretext-flow-line {
  display: block;
  box-sizing: border-box;
  color: var(--sheet-ink);
  white-space: pre;
  line-height: 1;
  overflow: visible;
}

.pretext-flow-line.kind-quote {
  color: color-mix(in oklch, var(--sheet-ink) 82%, var(--sheet-accent));
}

.pretext-flow-marker {
  position: absolute;
  right: calc(100% + 0.32em);
  top: 0;
  white-space: pre;
}

.pretext-flow-text {
  display: block;
  min-width: 0;
  width: 100%;
  max-width: 100%;
  white-space: pre;
}

.pretext-flow-text.is-justified {
  display: block;
  position: relative;
  width: 100%;
  max-width: 100%;
  height: 100%;
  white-space: normal;
}

.pretext-flow-text.is-justified.justify-glyph {
}

.pretext-flow-text.is-justified.justify-word {
}

.pretext-flow-text.is-justified .pretext-flow-fragment {
  position: absolute;
  top: 0;
  white-space: pre;
}

.pretext-flow-token {
  display: block;
  white-space: pre;
  flex: 0 0 auto;
}

.pretext-flow-quote-rule {
  background: color-mix(in oklch, var(--sheet-accent) 42%, var(--sheet-line));
}

.sheet-split-copy.columns-2 .rich-body {
  height: 100%;
  min-height: 0;
  column-count: 2;
  column-gap: var(--sheet-column-gap);
  column-fill: auto;
}

.sheet-split-media,
.sheet-gallery-body {
  display: grid;
  align-content: stretch;
}

.sheet-split-media {
  position: relative;
}

.sheet-split-media.media-align-top {
  align-content: start;
}

.sheet-split-media.media-align-center {
  align-content: center;
}

.sheet-split-media.media-align-bottom {
  align-content: end;
}

.sheet-split-media-stack {
  display: grid;
  gap: 10px;
  position: relative;
  z-index: 1;
  width: 100%;
  min-width: 0;
}

.sheet-split-speaker-layer {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.sheet-split-speaker {
  position: absolute;
  left: 0;
  right: 0;
  text-align: left;
}

.sheet-split-media .sheet-media,
.sheet-gallery-body .sheet-media {
  height: auto;
  min-height: 0;
  align-content: start;
}

.sheet-split-media .sheet-media-slot-frame,
.sheet-gallery-body .sheet-media-slot-frame,
.sheet-split-media .sheet-media-slot,
.sheet-gallery-body .sheet-media-slot {
  height: auto;
}

.sheet-gallery-body .gallery-media {
  gap: 12px;
  grid-auto-flow: dense;
  align-items: start;
}

.inline-figure img {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
}

.inline-figure figcaption {
  padding: 0 14px 14px;
  color: var(--sheet-muted);
  font-size: var(--sheet-type-min);
}

.sheet-quote {
  display: none;
  margin: 0;
  font-family:
    var(--page-font-zh),
    var(--page-font-en),
    "Source Han Serif SC",
    "Songti SC",
    "STSong",
    "Noto Serif CJK SC",
    "Iowan Old Style",
    Georgia,
    serif;
  font-size: calc(var(--sheet-type-max) * 0.62);
  line-height: 1.46;
}

.mook-sheet.has-quote.show-quote .sheet-quote {
  display: block;
}

.sheet-foot {
  position: absolute;
  left: var(--sheet-pad-x);
  right: var(--sheet-pad-x);
  bottom: var(--sheet-pad-y);
  display: flex;
  align-items: center;
  min-height: var(--sheet-foot-height);
  gap: 12px;
  font-size: var(--type-size-min);
  color: var(--sheet-muted);
}

.sheet-foot::before {
  content: "";
  flex: 1 1 auto;
  min-width: 0;
  height: 1px;
  background: color-mix(in oklch, var(--sheet-accent) 18%, var(--sheet-line));
}

.sheet-foot-meta,
.sheet-folio {
  position: relative;
  z-index: 1;
}

.sheet-foot.is-even {
  flex-direction: row-reverse;
}

.sheet-foot-meta {
  min-width: 0;
  flex: 0 1 auto;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.sheet-foot.is-even .sheet-foot-meta {
  text-align: right;
}

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

.page-media-summary-empty {
  padding: 10px 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.72);
  color: var(--muted);
  font-size: 0.9rem;
}

.page-media-properties {
  display: grid;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.78);
}

.page-media-properties-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-media-properties-target {
  min-width: 0;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--surface-text-strong);
}

.page-media-ratio-field {
  width: 148px;
  flex: 0 0 auto;
}

.page-media-essay-grid {
  align-items: end;
}

.page-media-caption-field {
  padding-top: 2px;
}

.page-media-caption-field textarea {
  min-height: 78px;
  resize: vertical;
}

@media (max-width: 1200px) {
  .page-media-properties-head {
    align-items: start;
    flex-direction: column;
  }

  .page-media-ratio-field {
    width: 100%;
  }
}

.media-grid {
  display: grid;
  gap: 12px;
  max-height: min(45vh, 680px);
  overflow: auto;
  padding-right: 4px;
}

.media-card {
  display: grid;
  gap: 10px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  background: rgba(255, 255, 255, 0.86);
}

.media-thumb {
  display: block;
  overflow: visible;
  border-radius: 2px;
  background: rgba(120, 104, 86, 0.08);
}

.media-thumb img {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
}

.media-meta {
  display: grid;
  gap: 6px;
}

.media-kicker {
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.media-title {
  font-family:
    var(--page-font-zh),
    var(--page-font-en),
    "Source Han Serif SC",
    "Songti SC",
    "STSong",
    "Noto Serif CJK SC",
    "Iowan Old Style",
    Georgia,
    serif;
  font-size: 0.98rem;
  line-height: 1.35;
}

.media-author {
  font-size: 0.84rem;
  color: var(--muted);
}

.media-actions,
.action-row,
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip-row {
  margin-top: 2px;
}

.autolayout-panel {
  display: grid;
  gap: 14px;
}

.autolayout-panel-section {
  gap: 0;
}

.autolayout-panel-body {
  display: grid;
  gap: 10px;
  padding-top: 8px;
}

.autolayout-section-meta {
  font-size: 0.78rem;
  line-height: 1.4;
  color: var(--muted);
}

.autolayout-panel-section-wrap,
.autolayout-panel-fixed {
  display: grid;
  gap: 10px;
}

.autolayout-footer {
  width: 100%;
}

.autolayout-footer-row {
  display: flex;
  align-items: center;
  gap: 14px;
}

.autolayout-block {
  display: grid;
  gap: 10px;
}

.autolayout-block-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.autolayout-block-title {
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--surface-text-strong);
}

.autolayout-mode-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
}

.autolayout-mode-btn {
  appearance: none;
  border: 1px solid var(--surface-border);
  background: var(--surface-base);
  padding: 10px 8px;
  text-align: center;
  font-size: 0.8rem;
  line-height: 1.35;
  color: var(--muted);
}

.autolayout-mode-btn.is-active {
  border-color: color-mix(in oklch, var(--accent) 48%, var(--border));
  background: color-mix(in oklch, white 76%, var(--accent-soft));
  color: var(--text);
}

.autolayout-toggle-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
}

.autolayout-toggle-row .pagination-toggle {
  min-width: 0;
}

.autolayout-runbar {
  display: grid;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--surface-border);
  background: var(--surface-base);
}

.autolayout-prereq-card {
  appearance: none;
  display: grid;
  gap: 10px;
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--surface-border);
  background: var(--surface-base);
  text-align: left;
}

.autolayout-prereq-items {
  display: grid;
  gap: 8px;
}

.autolayout-prereq-line {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.autolayout-prereq-items strong {
  font-size: 0.84rem;
  font-weight: 400;
  color: var(--text);
}

.autolayout-prereq-line span {
  font-size: 0.78rem;
  line-height: 1.45;
  color: var(--muted);
}

.autolayout-prereq-note {
  font-size: 0.78rem;
  line-height: 1.45;
  color: var(--muted);
}

.autolayout-prereq-action {
  font-size: 0.76rem;
  line-height: 1.4;
  color: var(--text);
}

.autolayout-runmeta {
  display: grid;
  gap: 4px;
}

.autolayout-runline {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  font-size: 0.84rem;
  line-height: 1.4;
}

.autolayout-runline strong {
  font-weight: 400;
  color: var(--text);
}

.autolayout-runline span {
  color: var(--muted);
}

.autolayout-feedback {
  min-height: 1.2em;
}

.autolayout-summary-card,
.autolayout-log-list {
  display: grid;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--surface-border);
  background: var(--surface-base);
}

.autolayout-ledger-card {
  gap: 12px;
}

.autolayout-ledger-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 14px;
}

.autolayout-ledger-grid .autolayout-summary-line {
  gap: 4px;
  min-width: 0;
}

.autolayout-ledger-foot {
  display: flex;
  justify-content: flex-start;
  align-items: center;
}

.autolayout-ledger-detail-btn {
  appearance: none;
  padding: 0;
  border: 0;
  background: transparent;
  min-height: 0;
  font-size: 0.76rem;
  line-height: 1.4;
  color: var(--text);
  text-align: left;
  cursor: pointer;
}

.autolayout-summary-line {
  display: grid;
  gap: 3px;
}

.autolayout-summary-line span {
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.autolayout-summary-line strong {
  font-weight: 400;
  line-height: 1.45;
}

.autolayout-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.autolayout-chip {
  padding: 6px 10px;
  border: 1px solid var(--surface-border);
  background: rgba(255, 255, 255, 0.7);
  font-size: 0.78rem;
  line-height: 1.2;
  color: rgba(51, 60, 72, 0.86);
}

.autolayout-log-item {
  display: grid;
  gap: 2px;
}

.autolayout-log-item-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.autolayout-log-item strong {
  font-weight: 400;
  font-size: 0.82rem;
}

.autolayout-log-item span {
  font-size: 0.78rem;
  color: var(--muted);
}

.autolayout-log-note {
  font-size: 0.82rem;
  line-height: 1.45;
  color: rgba(51, 60, 72, 0.86);
}

.autolayout-log-item.is-error .autolayout-log-note,
.autolayout-log-item.is-error strong {
  color: rgba(126, 63, 47, 0.94);
}

.autolayout-plan-card {
  display: grid;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--surface-border);
  background: var(--surface-base);
}

.autolayout-execution-plan {
  gap: 12px;
}

.autolayout-execution-plan-copy {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.autolayout-execution-plan-copy strong {
  font-size: 0.84rem;
  font-weight: 400;
  color: var(--text);
}

.autolayout-execution-plan-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

.autolayout-plan-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.autolayout-plan-head.is-meta-only {
  justify-content: flex-end;
}

.autolayout-plan-note {
  min-width: 0;
  font-size: 0.78rem;
  line-height: 1.45;
  color: var(--muted);
}

.autolayout-item-list {
  display: grid;
  gap: 8px;
}

.autolayout-item-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  border-top: 1px solid var(--surface-border-soft);
}

.autolayout-item-row:first-child {
  border-top: 0;
  padding-top: 0;
}

.autolayout-item-row input {
  margin: 2px 0 0;
}

.autolayout-item-copy {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.autolayout-item-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.autolayout-item-head strong {
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--text);
}

.autolayout-item-head span,
.autolayout-item-note {
  font-size: 0.76rem;
  line-height: 1.45;
  color: var(--muted);
}

.autolayout-plan-item-list {
  display: grid;
  gap: 8px;
}

.autolayout-plan-item {
  display: grid;
  gap: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--surface-border-soft);
}

.autolayout-plan-item:first-child {
  padding-top: 0;
  border-top: 0;
}

.autolayout-plan-item-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.autolayout-plan-item-head strong {
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--text);
}

.autolayout-plan-item-head span,
.autolayout-plan-task-meta,
.autolayout-plan-text-line {
  font-size: 0.76rem;
  line-height: 1.45;
  color: var(--muted);
}

.autolayout-plan-item-summary,
.autolayout-plan-task-title {
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--text);
}

.autolayout-plan-task-list {
  display: grid;
  gap: 8px;
}

.autolayout-plan-task {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: flex-start;
}

.autolayout-plan-task strong {
  font-size: 0.76rem;
  font-weight: 400;
  color: var(--surface-text-strong);
}

.autolayout-plan-task-copy {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.page-chip-status {
  color: color-mix(in oklch, var(--accent) 56%, var(--muted));
}

.chip-btn {
  padding: 8px 12px;
  border-radius: var(--radius-s);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.74);
  font-size: 0.82rem;
}

.chip-btn.is-active {
  border-color: color-mix(in oklch, var(--accent) 52%, var(--border));
  background: color-mix(in oklch, white 72%, var(--accent-soft));
}

.chip-btn:disabled {
  opacity: 0.42;
  cursor: not-allowed;
}

.stock-modal {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: clamp(14px, 2vw, 24px);
  background: var(--overlay);
  backdrop-filter: blur(10px);
}

.stock-modal[hidden] {
  display: none !important;
}

.stock-modal-dialog {
  width: min(1100px, 100%);
  height: min(88vh, 920px);
  min-height: 520px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 18px;
  border: 1px solid color-mix(in oklch, var(--border) 88%, white);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(241, 245, 249, 0.96));
  box-shadow: var(--shadow-strong);
  overflow: hidden;
}

.stock-modal-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
}

.stock-modal-title-group {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.stock-modal-title {
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.stock-modal-close {
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  padding: 0;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-s);
  background: rgba(255, 255, 255, 0.9);
}

.stock-modal-close svg {
  width: 16px;
  height: 16px;
  display: block;
}

.stock-modal-body {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: hidden;
}

.stock-modal-results-scroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding-right: 4px;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
}

.stock-modal-results {
  display: block;
  column-count: 3;
  column-gap: 12px;
  padding-bottom: 4px;
}

.export-modal-dialog {
  width: min(520px, 100%);
  height: auto;
  min-height: 0;
}

.create-project-modal-dialog {
  width: min(560px, 100%);
  height: auto;
  min-height: 0;
}

.delete-project-modal-dialog {
  width: min(440px, 100%);
  height: auto;
  min-height: 0;
}

.delete-project-modal-body {
  display: grid;
  gap: 18px;
  overflow: visible;
}

.delete-project-warning {
  margin: 0;
  color: var(--surface-text-hover-strong);
  line-height: 1.7;
}

.create-project-modal-body {
  display: grid;
  gap: 20px;
}

.autolayout-plan-modal-dialog {
  width: min(760px, 100%);
  height: min(82vh, 860px);
  min-height: 0;
}

.page-template-modal-dialog {
  width: min(720px, 100%);
  height: min(78vh, 760px);
  min-height: 0;
}

.page-template-modal-body {
  display: grid;
  gap: 12px;
  align-content: start;
  align-items: start;
  overflow-y: auto;
  overflow-x: hidden;
  padding-right: 4px;
}

.page-template-card {
  padding: 14px;
  border: 1px solid rgba(125, 134, 145, 0.16);
  border-radius: calc(var(--radius-m) + 2px);
  background: var(--surface-soft);
}

.page-template-card-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.page-template-card-copy {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.page-template-card-copy strong {
  font-size: 0.92rem;
}

.page-template-card-copy span {
  color: color-mix(in oklch, var(--muted) 76%, white);
  font-size: 0.78rem;
  line-height: 1.5;
}

.page-template-card-meta {
  flex: 0 0 auto;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(111, 125, 141, 0.12);
  color: color-mix(in oklch, var(--text) 78%, var(--accent));
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}

.page-template-card-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.page-template-empty {
  min-height: 180px;
  place-items: center;
  text-align: center;
  padding: 18px;
  border: 1px dashed var(--surface-border);
  border-radius: calc(var(--radius-m) + 2px);
  background: rgba(246, 249, 252, 0.82);
}

.page-template-empty p {
  margin: 0;
  color: color-mix(in oklch, var(--muted) 74%, white);
}

.autolayout-plan-modal-body {
  display: grid;
  gap: 16px;
  align-content: start;
  align-items: start;
  overflow-y: auto;
  overflow-x: hidden;
  padding-right: 4px;
}

.autolayout-plan-modal-section {
  display: grid;
  gap: 10px;
  align-content: start;
  align-items: start;
}

.autolayout-raw-plan-code {
  margin: 0;
  min-height: 0;
  padding: 12px 14px;
  border: 1px solid var(--surface-border);
  background: var(--surface-base);
  color: var(--text);
  font: 0.78rem/1.6 "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  white-space: pre-wrap;
  word-break: break-word;
  overflow: auto;
}

.autolayout-plan-modal-foot {
  display: flex;
  justify-content: flex-end;
}

.export-modal-body {
  gap: 16px;
  overflow: visible;
}

.cover-text-modal-dialog {
  width: min(720px, 100%);
  height: auto;
  min-height: 0;
}

.cover-text-form {
  display: grid;
  gap: 14px;
  overflow: visible;
}

.cover-text-form textarea {
  min-height: 160px;
  resize: vertical;
  line-height: 1.6;
}

.cover-text-actions {
  justify-content: flex-end;
}

.export-modal-section {
  display: grid;
  gap: 10px;
}

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

.export-choice-grid-double {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.export-choice-grid-triple {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.export-choice-btn {
  appearance: none;
  min-width: 0;
  border: 1px solid var(--surface-border);
  background: var(--surface-base);
  padding: 11px 12px;
  text-align: center;
  color: var(--muted);
}

.export-choice-btn.is-active {
  border-color: color-mix(in oklch, var(--accent) 46%, var(--border));
  background: color-mix(in oklch, var(--surface-base) 76%, var(--accent-soft));
  color: var(--text);
}

.export-range-fields[hidden] {
  display: none;
}

.export-modal-actions {
  justify-content: flex-end;
}

#export-modal-feedback {
  min-height: 1.5em;
}

.stock-modal-results .media-card {
  display: inline-grid;
  width: 100%;
  margin: 0 0 12px;
  break-inside: avoid;
  page-break-inside: avoid;
}

.freeblock-text-modal-dialog {
  width: min(840px, 100%);
  height: min(86vh, 840px);
  min-height: 560px;
}

.freeblock-text-form {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto auto;
  overflow: visible;
}

.freeblock-text-markdown-field {
  min-height: 0;
  grid-template-rows: auto minmax(0, 1fr);
}

.freeblock-text-markdown {
  min-height: 0;
  height: 100%;
  resize: none;
  line-height: 1.6;
}

.freeblock-text-settings {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.freeblock-text-settings .is-span-2 {
  grid-column: 1 / -1;
}

.freeblock-text-actions {
  justify-content: flex-end;
}

.composite-modal-dialog {
  width: 100%;
  height: 100%;
  min-height: 0;
  padding: 16px 18px 18px;
  border: 0;
  box-shadow: none;
}

.composite-modal-body {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(292px, 332px) minmax(0, 1fr) minmax(292px, 332px);
  align-items: start;
  gap: 14px;
  overflow: hidden;
}

.composite-library,
.composite-structure-panel,
.composite-editor,
.composite-control-panel {
  min-width: 0;
  min-height: 0;
  display: grid;
  gap: 12px;
  padding: 12px 14px 14px;
  border: 1px solid color-mix(in oklch, var(--border) 86%, white);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(241, 245, 249, 0.84));
  overflow: hidden;
}

.composite-library[hidden] {
  display: none !important;
}

.composite-library {
  grid-template-rows: auto auto minmax(0, 1fr) auto;
}

.composite-structure-panel {
  align-self: start;
  align-content: start;
  grid-template-rows: auto auto;
}

.composite-editor {
  align-self: stretch;
  grid-template-rows: auto minmax(0, 1fr);
}

.composite-layout-modal {
  padding: 0;
}

.composite-panel-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.composite-editor-head {
  padding-bottom: 4px;
  border-bottom: 1px solid color-mix(in oklch, var(--border) 72%, white);
}

.composite-name-field {
  padding-bottom: 10px;
  border-bottom: 1px solid color-mix(in oklch, var(--border) 72%, white);
}

.composite-panel-section {
  display: grid;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid color-mix(in oklch, var(--border) 72%, white);
}

.composite-panel-section:last-of-type {
  padding-bottom: 0;
  border-bottom: 0;
}

.composite-node-style-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.composite-node-style-grid .is-span-2 {
  grid-column: 1 / -1;
}

.composite-style-block {
  display: grid;
  gap: 8px;
  padding: 10px 12px 12px;
  border: 1px solid color-mix(in oklch, var(--border) 82%, white);
  background: rgba(255, 255, 255, 0.62);
}

.composite-style-block-label {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.composite-style-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  align-items: start;
}

.composite-style-block .field > span {
  font-size: 0.76rem;
}

.composite-metric-field .field-suffixed {
  width: 100%;
}

.composite-color-field {
  min-width: 0;
}

.composite-node-background-fields {
  display: grid;
  gap: 8px;
}

.composite-opacity-field {
  min-width: 0;
}

.composite-node-tree {
  min-height: 0;
  height: auto;
  max-height: none;
  display: grid;
  gap: 6px;
  overflow: auto;
  max-height: calc(100vh - 180px);
  padding-right: 4px;
}

.composite-node-tree-item {
  appearance: none;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 10px;
  width: 100%;
  padding: 9px 10px 9px calc(10px + (var(--tree-depth, 0) * 16px));
  border: 1px solid color-mix(in oklch, var(--border) 86%, white);
  background: rgba(255, 255, 255, 0.72);
  text-align: left;
  position: relative;
}

.composite-node-tree-item::before {
  content: "";
  position: absolute;
  left: calc(8px + (var(--tree-depth, 0) * 16px));
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: color-mix(in oklch, var(--border) 80%, var(--accent));
  opacity: 0.4;
}

.composite-node-tree-item.kind-split {
  background: color-mix(in oklch, white 80%, var(--accent-soft));
}

.composite-node-tree-item.is-selected {
  border-color: color-mix(in oklch, var(--accent) 50%, var(--border));
  box-shadow: inset 0 0 0 1px color-mix(in oklch, var(--accent) 42%, white);
}

.composite-node-tree-item-token {
  position: relative;
  z-index: 1;
  min-width: 0;
  padding-top: 1px;
  font-size: 0.73rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.composite-node-tree-item-copy {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.composite-node-tree-item-title {
  font-size: 0.88rem;
}

.composite-node-tree-item-meta {
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.45;
}

.composite-ratio-field {
  display: grid;
  gap: 8px;
}

.composite-ratio-field #composite-node-gap-field {
  margin-top: 2px;
}

.composite-ratio-controls {
  display: grid;
  gap: 10px;
}

.composite-ratio-controls input[type="range"] {
  width: 100%;
  margin: 0;
}

.composite-ratio-number {
  align-items: center;
}

.composite-layout-list {
  min-height: 0;
  display: grid;
  gap: 8px;
  align-content: start;
  overflow: auto;
  padding: 2px 4px 0 0;
}

.composite-layout-chip {
  appearance: none;
  display: grid;
  gap: 4px;
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.8);
  text-align: left;
}

.composite-layout-chip.is-active {
  border-color: color-mix(in oklch, var(--accent) 50%, var(--border));
  background: color-mix(in oklch, white 82%, var(--accent-soft));
}

.composite-layout-chip-title {
  font-size: 0.92rem;
}

.composite-layout-chip-meta {
  font-size: 0.78rem;
  color: var(--muted);
}

.composite-canvas-wrap,
.composite-control-panel {
  min-width: 0;
  min-height: 0;
  display: grid;
  gap: 12px;
}

.composite-canvas-wrap {
  grid-template-rows: minmax(0, 1fr);
  padding: 0;
  background: transparent;
  overflow: hidden;
}

.composite-layout-canvas {
  box-sizing: border-box;
  min-width: 0;
  min-height: 0;
  width: 100%;
  height: 100%;
  padding: 15px;
  display: grid;
  place-items: center;
  border: 1px solid color-mix(in oklch, var(--border) 84%, white);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(240, 244, 248, 0.98)),
    color-mix(in oklch, white 86%, var(--bg-soft));
  overflow: hidden;
}

.composite-editor-tree,
.composite-editor-node-shell,
.composite-editor-node,
.composite-editor-branch,
.composite-editor-leaf {
  box-sizing: border-box;
  min-width: 0;
  min-height: 0;
}

.composite-editor-stage-shell {
  flex: 0 0 auto;
  width: var(--composite-shell-width, 560px);
  height: var(--composite-shell-height, 794px);
}

.composite-editor-stage {
  --sheet-bg-start: #f4f7f2;
  --sheet-bg-end: #dfe7dc;
  --sheet-bg: var(--sheet-bg-end);
  --sheet-ink: #283129;
  --sheet-bg-gradient-direction: to bottom;
  --sheet-bg-gradient-strength: 100%;
  --sheet-bg-gradient:
    linear-gradient(
      var(--sheet-bg-gradient-direction),
      var(--sheet-bg-start),
      color-mix(in oklch, var(--sheet-bg-end) var(--sheet-bg-gradient-strength), var(--sheet-bg-start))
    );
  --sheet-muted: color-mix(in oklch, var(--sheet-ink) 58%, var(--sheet-bg-end) 42%);
  --sheet-line: color-mix(in oklch, var(--sheet-ink) 16%, var(--sheet-bg-end) 84%);
  --sheet-accent: oklch(0.44 0.028 60);
  --sheet-tone-wash: linear-gradient(transparent, transparent);
  --sheet-pad-x: clamp(24px, 4vw, 38px);
  --sheet-pad-y: clamp(24px, 4vw, 38px);
  --sheet-type-min: 11px;
  position: relative;
  box-sizing: border-box;
  width: var(--composite-stage-width, 560px);
  height: var(--composite-stage-height, 794px);
  transform: scale(var(--composite-editor-scale, 1));
  transform-origin: top left;
  will-change: transform;
  overflow: hidden;
  border: 1px solid color-mix(in oklch, var(--border) 72%, white);
  background:
    var(--sheet-tone-wash),
    var(--sheet-bg-gradient),
    var(--sheet-bg);
}

.composite-editor-stage-inner {
  box-sizing: border-box;
  width: 100%;
  height: 100%;
  padding:
    calc(var(--sheet-pad-y) + var(--sheet-running-head-space))
    var(--sheet-pad-x)
    calc(var(--sheet-pad-y) + var(--sheet-foot-height))
    var(--sheet-pad-x);
  display: grid;
}

.composite-editor-running-head,
.composite-editor-foot {
  z-index: 2;
  pointer-events: none;
}

.composite-editor-body-frame {
  box-sizing: border-box;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  display: grid;
  border: 1px solid color-mix(in oklch, var(--sheet-line) 86%, var(--sheet-accent));
  background: color-mix(in oklch, white 72%, var(--sheet-bg));
  overflow: hidden;
}

.composite-editor-tree {
  width: 100%;
  height: 100%;
  display: grid;
}

.composite-editor-node {
  display: flex;
  width: 100%;
  height: 100%;
  gap: var(--composite-node-gap, 12px);
}

.composite-editor-node-shell {
  position: relative;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  display: grid;
  box-sizing: border-box;
  padding: var(--composite-node-padding, 0px);
  border: var(--composite-node-border-width, 0px) solid var(--composite-node-border-color, transparent);
  background: var(--composite-node-background, transparent);
}

.composite-editor-node-shell.is-borderless::after,
.composite-editor-leaf.is-borderless::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px dashed color-mix(in oklch, var(--sheet-line) 76%, var(--sheet-accent));
  pointer-events: none;
}

.composite-editor-node-shell.is-selected {
  box-shadow: inset 0 0 0 1px color-mix(in oklch, var(--accent) 54%, var(--border));
}

.composite-editor-node-shell > .composite-editor-node {
  height: min(100%, var(--composite-node-usage, 100%));
  align-self: start;
}

.composite-editor-node.axis-horizontal {
  flex-direction: column;
}

.composite-editor-node-shell.align-y-bottom > .composite-editor-node.axis-horizontal {
  flex-direction: column-reverse;
}

.composite-editor-node.axis-vertical {
  flex-direction: row;
}

.composite-editor-node-shell.align-x-right > .composite-editor-node.axis-vertical {
  flex-direction: row-reverse;
}

.composite-editor-branch.branch-leading {
  flex: var(--split-leading, 0.5) 1 0;
}

.composite-editor-branch.branch-trailing {
  flex: var(--split-trailing, 0.5) 1 0;
}

.composite-editor-leaf {
  position: relative;
  width: 100%;
  height: min(100%, var(--sheet-body-usage, 100%));
  min-width: 0;
  min-height: 0;
  display: grid;
  align-content: space-between;
  gap: 10px;
  box-sizing: border-box;
  padding: var(--composite-node-padding, 0px);
  border: var(--composite-node-border-width, 0px) solid var(--composite-node-border-color, transparent);
  background: var(--composite-node-background, transparent);
  text-align: left;
  align-self: start;
}

.composite-editor-leaf.align-x-center {
  justify-items: center;
  text-align: center;
}

.composite-editor-leaf.align-x-right {
  justify-items: end;
  text-align: right;
}

.composite-editor-leaf.align-y-center {
  align-content: center;
}

.composite-editor-leaf.align-y-bottom {
  align-content: end;
}

.composite-control-panel {
  align-self: stretch;
  grid-template-rows: minmax(0, 1fr) auto;
  max-height: 100%;
  align-content: start;
  overflow: hidden;
}

.composite-control-scroll {
  min-height: 0;
  display: grid;
  gap: 12px;
  align-content: start;
  overflow-y: auto;
  overflow-x: hidden;
  padding-right: 10px;
  scrollbar-gutter: stable;
}

.composite-control-panel .chip-row {
  align-content: start;
}

.composite-library-actions,
.composite-inspector-actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
}

.composite-library-actions .chip-btn,
.composite-inspector-actions .chip-btn {
  width: 100%;
}

.composite-panel-head .chip-btn {
  width: auto;
  min-width: 0;
}

.composite-library-actions .chip-btn:first-child {
  border-color: color-mix(in oklch, var(--accent) 34%, var(--border));
  background: color-mix(in oklch, white 70%, var(--accent-soft));
}

.composite-control-actions {
  position: relative;
  z-index: 1;
  padding-top: 12px;
  border-top: 1px solid color-mix(in oklch, var(--border) 72%, white);
  background:
    linear-gradient(180deg, rgba(241, 245, 249, 0), rgba(241, 245, 249, 0.96) 22%, rgba(241, 245, 249, 0.98));
}

.composite-control-actions .solid-btn {
  width: 100%;
}

.layout-composite-entry {
  display: grid;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--surface-border);
  background: var(--surface-base);
}

.layout-composite-meta {
  font-size: 0.84rem;
  line-height: 1.4;
  color: var(--muted);
}

.composite-editor-leaf.is-selected {
  box-shadow: inset 0 0 0 1px color-mix(in oklch, var(--accent) 42%, white);
}

.composite-editor-leaf.layout-essay .composite-editor-leaf-title {
  color: color-mix(in oklch, var(--sheet-ink) 82%, var(--sheet-accent));
}

.composite-editor-leaf.layout-split .composite-editor-leaf-title {
  color: color-mix(in oklch, var(--sheet-accent) 72%, var(--sheet-ink));
}

.composite-editor-leaf.layout-gallery .composite-editor-leaf-title {
  color: color-mix(in oklch, var(--sheet-ink) 66%, var(--sheet-muted));
}

.composite-editor-leaf-order {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.composite-editor-leaf-title {
  font-size: 0.96rem;
}

.composite-editor-guides {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.composite-editor-guide {
  position: absolute;
  opacity: 0.26;
}

.composite-editor-guide.axis-horizontal {
  left: 6px;
  right: 6px;
  border-top: 1px dashed rgba(93, 102, 115, 0.56);
}

.composite-editor-guide.axis-vertical {
  top: 6px;
  bottom: 6px;
  border-left: 1px dashed rgba(93, 102, 115, 0.56);
}

.designlab-page.is-stock-modal-open {
  overflow: hidden;
}

.designlab-page.is-cover-text-modal-open {
  overflow: hidden;
}

.designlab-page.is-section-lead-modal-open {
  overflow: hidden;
}

.designlab-page.is-freeblock-text-modal-open {
  overflow: hidden;
}

.designlab-page.is-page-template-modal-open {
  overflow: hidden;
}

.designlab-page.is-composite-modal-open {
  overflow: hidden;
}

@media (min-width: 1321px) {
  .designlab-page[data-design-view="project"] {
    overflow: hidden;
  }

  .designlab-page[data-design-view="home"] {
    overflow: hidden;
  }

  .designlab-shell {
    height: 100vh;
    overflow: hidden;
  }

  .designlab-main {
    height: 100%;
    min-height: 0;
    align-items: stretch;
  }

  .panel,
  .viewer-stage {
    height: 100%;
    min-height: 0;
  }

  .panel {
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-gutter: stable;
    overscroll-behavior: contain;
  }

  .panel-controls {
    overflow: hidden;
  }

  .panel-sidebar {
    overflow: hidden;
  }

  .panel-controls .panel-view-stack {
    min-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-gutter: stable;
    overscroll-behavior: contain;
    padding-right: 4px;
    -ms-overflow-style: none;
    scrollbar-width: none;
  }

  .panel-controls .panel-view-stack::-webkit-scrollbar {
    width: 0;
    height: 0;
  }

  .panel-controls .panel-view {
    min-height: 0;
  }

  .panel-sidebar .panel-view-stack {
    min-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-gutter: stable;
    overscroll-behavior: contain;
    padding-right: 4px;
    -ms-overflow-style: none;
    scrollbar-width: none;
  }

  .panel-sidebar .panel-view-stack::-webkit-scrollbar {
    width: 0;
    height: 0;
  }

  .panel-sidebar .panel-view {
    min-height: 0;
  }

  .viewer-stage {
    overflow: hidden;
  }

  .panel-controls .page-list,
  .panel-sidebar .media-grid {
    max-height: none;
    overflow: visible;
  }
}

@media (max-width: 1320px) {
  .designlab-main {
    grid-template-columns: minmax(248px, 280px) minmax(0, 1fr);
  }

  .composite-modal-body {
    grid-template-columns: minmax(272px, 304px) minmax(0, 1fr) minmax(272px, 304px);
    align-items: start;
  }

  .panel-sidebar {
    grid-column: 1 / -1;
    min-height: auto;
  }

  .panel-sidebar .media-grid {
    max-height: none;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }

  .stock-modal-results {
    column-count: 3;
  }
}

@media (max-width: 980px) {
  .designlab-main {
    grid-template-columns: 1fr;
  }

  .composite-modal-body {
    grid-template-columns: 1fr;
    grid-auto-rows: min-content;
    overflow-y: auto;
    overflow-x: hidden;
    padding-right: 4px;
  }

  .composite-editor,
  .composite-structure-panel,
  .composite-control-panel {
    grid-area: auto;
  }

  .composite-editor {
    min-height: 62vh;
  }

  .composite-control-panel {
    max-height: none;
    overflow: visible;
  }

  .composite-control-scroll {
    overflow: visible;
    padding-right: 0;
  }

  .panel,
  .viewer-stage {
    min-height: auto;
  }

  .viewer-stage {
    order: -1;
  }

  .page-list,
  .media-grid {
    max-height: none;
  }

  .stock-modal-results {
    column-count: 2;
  }

  .sheet-split-body,
  .sheet-split-body.media-left {
    grid-template-columns: 1fr;
  }

  .mook-sheet.layout-quote {
    grid-template-columns: 1fr;
    grid-template-areas:
      "head"
      "quote"
      "body"
      "foot";
  }

  .sheet-split-body.media-left .sheet-split-copy,
  .sheet-split-body.media-left .sheet-split-media,
  .sheet-split-body.media-right .sheet-split-copy,
  .sheet-split-body.media-right .sheet-split-media {
    order: initial;
  }
}

@media (max-width: 640px) {
  .designlab-shell {
    padding: 12px;
  }

  .field-grid-triple {
    grid-template-columns: 1fr;
  }

  .field-grid-double {
    grid-template-columns: 1fr;
  }

  .viewer-toolbar,
  .action-row {
    flex-wrap: wrap;
  }

  .viewer-meta {
    width: 100%;
    margin-left: 0;
  }

  .stock-modal {
    padding: 10px;
  }

  .stock-modal-dialog {
    width: 100%;
    height: calc(100vh - 20px);
    min-height: 0;
    padding: 14px;
  }

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

  .freeblock-text-settings .is-span-2 {
    grid-column: auto;
  }

  .composite-node-style-grid {
    grid-template-columns: 1fr;
  }

  .composite-node-style-grid .is-span-2 {
    grid-column: auto;
  }

  .composite-style-pair {
    grid-template-columns: 1fr;
  }

  .freeblock-background-row {
    grid-template-columns: 1fr;
  }

  .stock-modal-results {
    column-count: 1;
  }

  .mook-sheet {
    --sheet-pad-x: 20px;
    --sheet-pad-y: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .project-open-overlay,
  #page-preview-host.is-project-open-entering.is-project-open-ready {
    animation: none !important;
    transition: none !important;
    transform: none !important;
  }
}

/* ============ Page 项目 v2：模块化渲染 + 三栏编辑（.pp-* / 结构树 / 检视器）============ */
.page-project {
  max-width: var(--pp-max-width, 960px);
  margin: 0 auto;
  padding: clamp(24px, 4vw, 56px) clamp(20px, 4vw, 48px) 80px;
  background: var(--pp-surface, #f3eee6);
  color: var(--pp-ink, #2b2620);
  font-family: var(--pp-font-body, serif);
  font-size: var(--pp-font-size, 17px);
  line-height: 1.75;
}
.page-project * { box-sizing: border-box; }

.pp-module { position: relative; margin: 0 0 calc(var(--pp-space, 1em) * 2.2); scroll-margin-top: 20px; }
.pp-mod-space-compact { margin-bottom: calc(var(--pp-space, 1em) * 1.2); }
.pp-mod-space-spacious { margin-bottom: calc(var(--pp-space, 1em) * 3.4); }
.pp-mod-bg-panel { background: var(--pp-panel, #fff); border-radius: var(--pp-radius, 10px); padding: clamp(20px, 3vw, 36px); }
.pp-mod-bg-tint { background: color-mix(in oklab, var(--pp-accent, #8b5f3b) 8%, transparent); border-radius: var(--pp-radius, 10px); padding: clamp(18px, 2.5vw, 30px); }
.pp-mod-bg-accent { background: var(--pp-accent, #8b5f3b); color: #fff; border-radius: var(--pp-radius, 10px); padding: clamp(20px, 3vw, 36px); }

.page-project [data-pp-module].is-selected { outline: 2px solid var(--pp-accent, #8b5f3b); outline-offset: 4px; border-radius: 6px; }
.page-project .pp-unit.is-selected,
.page-project .pp-hero-title.is-selected { outline: 2px dashed var(--pp-accent, #8b5f3b); outline-offset: 3px; border-radius: 4px; }
.page-project [data-pp-module],
.page-project [data-pp-unit] { cursor: pointer; transition: outline-color .12s; }
.page-project [data-pp-unit]:hover { outline: 1px solid color-mix(in oklab, var(--pp-accent, #8b5f3b) 50%, transparent); outline-offset: 2px; border-radius: 4px; }
.pp-unit { display: block; }

.pp-mod-hero { display: grid; gap: 18px; align-items: center; }
.pp-mod-hero.pp-mod-variant-left-image { grid-template-columns: 1.1fr 0.9fr; }
.pp-hero-copy { display: grid; gap: 12px; }
.pp-hero-kicker { font-family: var(--pp-font-display); font-size: .8em; letter-spacing: .14em; text-transform: uppercase; color: var(--pp-accent, #8b5f3b); }
.pp-hero-title { margin: 0; font-family: var(--pp-font-display); font-weight: 700; line-height: 1.08; max-width: 18ch; overflow-wrap: anywhere; }
.pp-hero-lead { font-size: 1.08em; color: var(--pp-muted, #685a4a); line-height: 1.7; }
.pp-hero-media img { width: 100%; height: 100%; max-height: 420px; object-fit: cover; border-radius: var(--pp-radius, 10px); }

.pp-heading { font-family: var(--pp-font-display); font-weight: 700; line-height: 1.2; margin: calc(var(--pp-space) * 1.6) 0 calc(var(--pp-space) * .7); }
.pp-heading-1 { font-size: 1.9em; } .pp-heading-2 { font-size: 1.5em; } .pp-heading-3 { font-size: 1.22em; } .pp-heading-4 { font-size: 1.05em; }
.pp-paragraph { margin: 0 0 var(--pp-space, 1em); }
.pp-list { margin: 0 0 var(--pp-space, 1em); padding-left: 1.4em; } .pp-list li { margin: .3em 0; }
.pp-quote { margin: calc(var(--pp-space) * 1.4) 0; padding-left: 18px; border-left: 3px solid var(--pp-accent, #8b5f3b); color: var(--pp-muted, #685a4a); }
.pp-quote p { margin: 0; font-size: 1.12em; line-height: 1.7; } .pp-quote cite { display: block; margin-top: .5em; font-size: .85em; font-style: normal; color: var(--pp-muted); }
.pp-code { margin: calc(var(--pp-space) * 1.2) 0; padding: 14px 16px; border-radius: var(--pp-radius, 10px); background: color-mix(in oklab, var(--pp-ink, #000) 90%, var(--pp-panel)); color: #f5f5f5; overflow: auto; font-family: var(--pp-font-mono, monospace); font-size: .9em; }
.pp-code code { font-family: inherit; }
.pp-divider { height: 1px; border: 0; background: var(--pp-rule, rgba(0,0,0,.16)); margin: calc(var(--pp-space) * 2) 0; }
.pp-image { margin: calc(var(--pp-space) * 1.2) 0; } .pp-image img { width: 100%; border-radius: var(--pp-radius, 10px); display: block; } .pp-image figcaption { margin-top: .5em; font-size: .85em; color: var(--pp-muted); text-align: center; }
.pp-table { margin: calc(var(--pp-space) * 1.2) 0; overflow: auto; } .pp-table table { width: 100%; border-collapse: collapse; } .pp-table th, .pp-table td { border: 1px solid var(--pp-rule); padding: 8px 10px; }
.pp-math { margin: calc(var(--pp-space) * 1.2) 0; text-align: center; }
.pp-link { color: var(--pp-accent); text-underline-offset: .15em; }
.pp-strong { font-weight: 700; } .pp-emphasis { font-style: italic; } .pp-underline { text-decoration: underline; } .pp-delete { text-decoration: line-through; opacity: .7; }
.pp-inline-code { padding: .08em .35em; border-radius: 4px; background: color-mix(in oklab, var(--pp-ink) 12%, transparent); font-family: var(--pp-font-mono, monospace); font-size: .9em; }

.pp-mod-sideBySide { display: grid; gap: 24px; align-items: center; }
.pp-mod-sideBySide.pp-mod-variant-image-left { grid-template-columns: 0.9fr 1.1fr; }
.pp-mod-sideBySide.pp-mod-variant-image-right { grid-template-columns: 1.1fr 0.9fr; }
.pp-mod-sideBySide.pp-mod-variant-image-right .pp-sbs-media { order: 2; }
.pp-mod-sideBySide.pp-mod-variant-vertical { grid-template-columns: 1fr; }
.pp-sbs-media img { width: 100%; border-radius: var(--pp-radius, 10px); }
.pp-mod-metricStrip { display: grid; gap: 16px; }
.pp-mod-metricStrip.pp-mod-variant-2-col { grid-template-columns: repeat(2, 1fr); }
.pp-mod-metricStrip.pp-mod-variant-3-col { grid-template-columns: repeat(3, 1fr); }
.pp-mod-metricStrip.pp-mod-variant-4-col { grid-template-columns: repeat(4, 1fr); }
.pp-metric { text-align: center; padding: 12px; } .pp-metric-value { font-family: var(--pp-font-display); font-size: 2em; font-weight: 800; color: var(--pp-accent); } .pp-metric-label { font-size: .85em; color: var(--pp-muted); margin-top: 4px; }
.pp-mod-cardGrid { display: grid; gap: 18px; }
.pp-mod-cardGrid.pp-mod-variant-2-col { grid-template-columns: repeat(2, 1fr); }
.pp-mod-cardGrid.pp-mod-variant-3-col { grid-template-columns: repeat(3, 1fr); }
.pp-card { display: block; padding: 16px; border: 1px solid var(--pp-rule); border-radius: var(--pp-radius, 10px); text-decoration: none; color: inherit; }
.pp-card img { width: 100%; border-radius: calc(var(--pp-radius) - 2px); margin-bottom: 10px; } .pp-card strong { display: block; margin-bottom: 6px; }
.pp-mod-gallery { display: grid; gap: 12px; }
.pp-mod-gallery.pp-mod-variant-grid { grid-template-columns: repeat(3, 1fr); }
.pp-mod-gallery.pp-mod-variant-strip { grid-auto-flow: column; grid-auto-columns: 1fr; }
.pp-mod-gallery .pp-image { margin: 0; } .pp-mod-gallery img { aspect-ratio: 4/3; object-fit: cover; }
.pp-mod-quoteBlock { text-align: center; } .pp-mod-quoteBlock.pp-mod-variant-left-bar { text-align: left; }
.pp-mod-quoteBlock .pp-quote { border: 0; padding: 0; font-size: 1.1em; }
.pp-quote-attribution { margin-top: 10px; font-size: .9em; color: var(--pp-muted); }
.pp-callout { border-radius: var(--pp-radius, 10px); padding: 14px 18px; } .pp-callout strong { display: block; margin-bottom: 6px; }
.pp-callout p { margin: 0; }
.pp-cta { display: inline-block; padding: 10px 22px; border-radius: var(--pp-radius, 10px); background: var(--pp-accent); color: #fff; text-decoration: none; font-weight: 600; }
.pp-badge { display: inline-block; padding: .2em .7em; border-radius: 999px; background: color-mix(in oklab, var(--pp-accent) 16%, transparent); color: var(--pp-accent); font-size: .82em; }
.pp-step { display: grid; grid-template-columns: auto 1fr; gap: 14px; margin: var(--pp-space) 0; }
.pp-step-index { font-family: var(--pp-font-display); font-size: 1.4em; font-weight: 800; color: var(--pp-accent); }
.pp-kv-list { display: grid; gap: 6px; } .pp-kv-row { display: grid; grid-template-columns: auto 1fr; gap: 12px; } .pp-kv-key { color: var(--pp-muted); }

/* 左栏 · 页面结构树 */
.page-structure-toolbar {
  display: flex;
  align-items: stretch;
  gap: 8px;
  padding: 4px 0 12px;
}
.page-structure-toolbar .chip-btn { flex: 0 0 auto; white-space: nowrap; }
.page-structure-add-field { flex: 1 1 auto; min-width: 0; gap: 0; }
.page-structure-add-field > span { display: none; }
.page-structure-add-field select { padding: 8px 36px 8px 12px; font-size: 0.82rem; }

.page-list-empty {
  padding: 18px 14px;
  border: 1px dashed var(--border);
  border-radius: var(--radius-m);
  color: var(--muted);
  font-size: 0.82rem;
  text-align: center;
  background: rgba(255, 255, 255, 0.5);
}

.page-structure-module {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: stretch;
  gap: 6px;
  margin-bottom: 6px;
}
.page-structure-module .page-chip { min-width: 0; }
.page-structure-module.is-active .page-chip {
  border-color: color-mix(in oklch, var(--accent) 60%, var(--border));
  background: color-mix(in oklch, white 78%, var(--accent-soft));
  box-shadow: 0 0 0 1px color-mix(in oklch, var(--accent) 35%, transparent);
}
.page-structure-module-actions {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 0 0 auto;
}
.page-structure-move {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-s);
  background: rgba(255, 255, 255, 0.74);
  color: var(--muted);
  cursor: pointer;
  transition: border-color 160ms ease, color 160ms ease, background 160ms ease, transform 120ms ease;
}
.page-structure-move svg { width: 12px; height: 12px; display: block; }
.page-structure-move:hover:not(:disabled) {
  border-color: color-mix(in oklch, var(--accent) 50%, var(--border));
  color: var(--accent);
  background: rgba(255, 255, 255, 0.94);
}
.page-structure-move:active:not(:disabled) { transform: scale(0.94); }
.page-structure-move:disabled {
  opacity: 0.32;
  cursor: not-allowed;
  background: transparent;
}


.page-inspector { display: grid; gap: 12px; padding: 4px 2px; min-width: 0; }
.page-inspector-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding-bottom: 6px; border-bottom: 1px solid var(--line, #ddd); }
.page-inspector-head strong { font-size: .95rem; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.page-inspector-hint { font-size: .8rem; color: var(--muted, #888); margin: 0; }
.page-inspector-slots { display: grid; gap: 10px; min-width: 0; }
.page-inspector-slot { border: 1px solid var(--line, #e2e2e2); border-radius: 8px; padding: 8px; min-width: 0; }
.page-inspector-slot-head { display: flex; justify-content: space-between; font-size: .82rem; font-weight: 600; margin-bottom: 6px; }
.page-inspector-slot-count { color: var(--muted, #999); font-weight: 400; }
.page-inspector-slot-units { display: grid; gap: 4px; min-width: 0; }
.page-inspector-unit-row { display: flex; align-items: center; gap: 6px; padding: 5px 7px; border-radius: 6px; background: color-mix(in oklab, var(--accent, #8b5f3b) 5%, transparent); cursor: pointer; font-size: .82rem; min-width: 0; }
.page-inspector-unit-row.is-selected { background: color-mix(in oklab, var(--accent, #8b5f3b) 16%, transparent); }
.page-inspector-unit-type { font-weight: 600; white-space: nowrap; flex: 0 0 auto; }
.page-inspector-unit-text { flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--muted, #777); }
.page-inspector-unit-del { border: 0; background: transparent; cursor: pointer; color: var(--muted, #999); font-size: 1.1em; line-height: 1; flex: 0 0 auto; }
.page-inspector-unit-del:hover { color: #c0392b; }
.page-inspector-slot-add-field { margin-top: 8px; gap: 0; }
.page-inspector-slot-add-field > span { display: none; }
.page-inspector-slot-add-field select { padding: 8px 36px 8px 12px; font-size: 0.82rem; }
.page-inspector-module-actions { margin-top: 4px; }
.chip-btn.is-danger { color: #c0392b; border-color: currentColor; }
.page-inspector-unit-ai { border-top: 1px dashed var(--line, #ddd); padding-top: 10px; display: grid; gap: 8px; }

/* Page 项目：右侧版式徽章 — 与 mook 的 badge 共用容器但补齐内边距 */
.page-project-badge { padding: 12px 14px; border-radius: var(--radius-m); }
.page-project-badge .viewer-layout-badge-row { display: flex; align-items: baseline; gap: 8px; font-size: 0.82rem; }
.page-project-badge .viewer-layout-badge-row span { color: var(--muted); letter-spacing: 0.04em; }
.page-project-badge .viewer-layout-badge-row strong { font-size: 0.94rem; color: var(--text); }
.page-project-badge .viewer-layout-badge-note { margin-top: 4px; font-size: 0.78rem; color: var(--muted); }

/* 封面（hero）锁定显示：右侧 actions 区用一个锁图标替代「上移/下移」两个按钮，占同样位置 */
.page-structure-lock {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--border);
  border-radius: var(--radius-s);
  color: var(--muted);
  background: rgba(255, 255, 255, 0.4);
  cursor: not-allowed;
}
.page-structure-lock svg { width: 14px; height: 14px; display: block; }
.page-structure-module.is-locked .page-chip-meta { color: var(--muted); }

/* Page 模式：左栏模块卡片标题不再消费"字体设置"，保留 UI 字体；字体设置改为作用于预览正文 */
body[data-project-type="page"] .page-project-module-chip .page-chip-title {
  font-family: inherit;
}
.page-project,
.page-project .pp-paragraph,
.page-project .pp-flow-body,
.page-project .pp-sbs-body,
.page-project .pp-list,
.page-project .pp-list li,
.page-project .pp-quote,
.page-project .pp-quote p,
.page-project .pp-quote cite,
.page-project .pp-hero-lead,
.page-project .pp-hero-meta,
.page-project .pp-card,
.page-project .pp-card p,
.page-project .pp-callout,
.page-project .pp-callout p,
.page-project .pp-step-body,
.page-project .pp-step-body p,
.page-project .pp-kv-list,
.page-project .pp-kv-key,
.page-project .pp-kv-value,
.page-project .pp-table,
.page-project .pp-table table,
.page-project .pp-image figcaption,
.page-project .pp-metric-label,
.page-project .pp-metric-trend,
.page-project .pp-quote-attribution,
.page-project .pp-badge,
.page-project .pp-cta,
.page-project .pp-variant,
.page-project .pp-variant :where(p, li, blockquote, cite, figcaption, table, th, td, span, a, button, div) {
  font-family: var(--pp-font-body, var(--page-font-zh), var(--page-font-en), "Source Han Serif SC", "Songti SC", "STSong", "Noto Serif CJK SC", "Iowan Old Style", Georgia, serif);
}
.page-project .pp-heading,
.page-project .pp-hero-title,
.page-project .pp-hero-kicker,
.page-project .pp-metric-value,
.page-project .pp-step-index,
.page-project .pp-card strong,
.page-project .pp-callout strong,
.page-project .pp-step-body strong,
.page-project .pp-variant :where(h1, h2, h3, h4, h5, h6, strong) {
  font-family: var(--pp-font-display, var(--pp-font-body, var(--page-font-zh), var(--page-font-en), "Source Han Serif SC", "Songti SC", "Noto Sans SC", sans-serif));
}
.page-project .pp-code,
.page-project .pp-code code,
.page-project .pp-inline-code {
  font-family: var(--page-code-font), var(--pp-font-mono, monospace);
}