:root {
  /* Brand and interaction */
  --color-primary: #855b43;
  --color-primary-hover: #704934;
  --color-primary-pressed: #64412f;
  --color-primary-soft: #f1e7e0;

  /* Application layers */
  --color-bg-app: #f7f6f4;
  --color-bg-sidebar: #fbfaf8;
  --color-bg-workspace: #efeeeb;
  --color-surface: #ffffff;

  /* Content and boundaries */
  --color-text: #292521;
  --color-text-secondary: #645b54;
  --color-border: #d8d2cb;
  --color-border-control: #8a7b70;

  /* Functional status */
  --color-success: #22664c;
  --color-success-bg: #eaf6ef;
  --color-warning: #8e5a11;
  --color-warning-bg: #fff4dd;
  --color-danger: #a53838;
  --color-danger-bg: #fff0ed;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Spacing: 4px base unit */
  --space-0: 0;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;

  /* Shape */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-round: 999px;

  /* Focus and motion */
  --focus-ring-color: #855b43;
  --focus-ring-width: 3px;
  --focus-ring-offset: 2px;
  --motion-fast: 120ms;
  --motion-standard: 180ms;
  --ease-standard: cubic-bezier(0.2, 0, 0, 1);

  --header-height: 76px;
  --sidebar-width: 304px;
  --page-navigator-width: 280px;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  color: var(--color-text);
  background: var(--color-bg-app);
  font-family: var(--font-sans);
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background: var(--color-bg-app);
}

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

button {
  min-height: 40px;
  border: 1px solid var(--color-border-control);
  border-radius: var(--radius-md);
  color: var(--color-text);
  background: var(--color-surface);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 650;
  line-height: 1.25rem;
  transition:
    background-color var(--motion-fast) var(--ease-standard),
    border-color var(--motion-fast) var(--ease-standard),
    color var(--motion-fast) var(--ease-standard),
    transform var(--motion-fast) var(--ease-standard);
}

button:hover:not(:disabled) {
  background: var(--color-primary-soft);
  border-color: var(--color-primary);
}

button:active:not(:disabled) {
  transform: translateY(1px);
}

button:disabled,
select:disabled,
input:disabled {
  cursor: not-allowed;
  opacity: 0.52;
}

button[hidden],
[hidden] {
  display: none !important;
}

:where(button, [href], input, select, textarea, [tabindex]):focus-visible {
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  clip-path: inset(50%) !important;
  white-space: nowrap !important;
}

/* Application header */
.app-header {
  position: sticky;
  top: 0;
  z-index: 35;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-4);
  min-height: var(--header-height);
  padding: var(--space-3) var(--space-6);
  background: var(--color-bg-app);
  border-bottom: 1px solid var(--color-border);
}

.project-identity {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: var(--space-4);
}

.wordmark {
  flex: none;
  color: var(--color-primary);
  font-size: 1.25rem;
  font-weight: 750;
  letter-spacing: -0.035em;
  line-height: 1.75rem;
}

.project-meta {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 2px;
}

#projectName {
  display: block;
  max-width: min(38vw, 32rem);
  overflow: hidden;
  color: var(--color-text);
  font-size: 0.875rem;
  font-weight: 650;
  line-height: 1.25rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.project-state {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  font-weight: 550;
  line-height: 1rem;
  white-space: nowrap;
}

.project-state::before {
  width: 6px;
  height: 6px;
  flex: none;
  border-radius: var(--radius-round);
  background: currentColor;
  content: "";
}

.project-state.is-saved {
  color: var(--color-success);
}

.project-state.is-dirty,
.project-state.is-saving {
  color: var(--color-warning);
}

.project-state.is-saving::before {
  animation: saving-pulse 1.1s ease-in-out infinite alternate;
}

@keyframes saving-pulse {
  from { opacity: 0.35; }
  to { opacity: 1; }
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.header-actions button {
  flex: none;
  padding: 9px var(--space-4);
  white-space: nowrap;
}

.save-action.is-prominent,
.empty-add,
.sidebar .upload {
  color: #ffffff;
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.save-action.is-prominent:hover:not(:disabled),
.empty-add:hover:not(:disabled),
.sidebar .upload:hover:not(:disabled) {
  color: #ffffff;
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.save-action.is-prominent:active:not(:disabled),
.empty-add:active:not(:disabled),
.sidebar .upload:active:not(:disabled) {
  background: var(--color-primary-pressed);
  border-color: var(--color-primary-pressed);
}

.save-action.is-quiet {
  color: var(--color-primary);
  background: var(--color-surface);
  border-color: var(--color-primary);
}

.save-action.is-saving {
  color: var(--color-warning);
  background: var(--color-warning-bg);
  border-color: #c89a54;
}

.print-action {
  color: var(--color-text);
  background: var(--color-surface);
  border-color: var(--color-border-control);
}

.help-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-text-secondary);
  background: transparent;
  border-color: transparent;
}

.help-symbol {
  display: inline-grid;
  width: 18px;
  height: 18px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: var(--radius-round);
  font-size: 0.6875rem;
  line-height: 1;
}

.print-label-short {
  display: none;
}

/* Shell and task-based settings */
.workspace {
  display: flex;
  min-height: calc(100vh - var(--header-height));
  overflow-x: clip;
}

.settings-rail {
  position: sticky;
  top: var(--header-height);
  z-index: 15;
  width: var(--sidebar-width);
  height: calc(100vh - var(--header-height));
  flex: 0 0 var(--sidebar-width);
  overflow: hidden;
  transition:
    width 210ms var(--ease-standard),
    flex-basis 210ms var(--ease-standard);
}

.sidebar {
  position: absolute;
  inset: 0 auto 0 0;
  display: flex;
  width: var(--sidebar-width);
  height: 100%;
  flex-direction: column;
  overflow: hidden;
  background: var(--color-bg-sidebar);
  border-right: 1px solid var(--color-border);
  opacity: 1;
  transform: translateX(0);
  visibility: visible;
  transition:
    border-color 210ms var(--ease-standard),
    opacity 160ms var(--ease-standard),
    transform 210ms var(--ease-standard),
    visibility 0s linear;
}

.sidebar-collapsed .settings-rail {
  width: 64px;
  flex-basis: 64px;
}

.sidebar-collapsed .sidebar {
  border-color: transparent;
  opacity: 0;
  pointer-events: none;
  transform: translateX(-100%);
  visibility: hidden;
  transition:
    border-color 210ms var(--ease-standard),
    opacity 140ms var(--ease-standard),
    transform 210ms var(--ease-standard),
    visibility 0s linear 210ms;
}

.settings-panel-header {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 60px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-3) 64px var(--space-3) var(--space-4);
  background-color: var(--color-bg-sidebar);
  border-bottom: 1px solid var(--color-border);
  isolation: isolate;
}

.settings-panel-header h2 {
  margin: 0;
  font-size: 1.125rem;
  line-height: 1.5rem;
}

.settings-scroll {
  min-height: 0;
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 0 var(--space-4) var(--space-5);
}

.settings-surface-toggle {
  display: inline-flex;
  width: 40px;
  min-width: 40px;
  height: 40px;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  padding: 0;
  color: var(--color-primary);
  background: var(--color-surface);
  border-color: var(--color-border);
  border-radius: var(--radius-md);
}

#desktopSettingsToggle {
  position: absolute;
  top: 10px;
  right: 12px;
  z-index: 2;
  transition:
    background-color var(--motion-fast) var(--ease-standard),
    border-color var(--motion-fast) var(--ease-standard),
    color var(--motion-fast) var(--ease-standard);
}

.sidebar-toggle-icon {
  width: 18px;
  height: 18px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.sidebar-toggle-direction {
  transform-origin: 14px 12px;
  transition: transform var(--motion-standard) var(--ease-standard);
}

#desktopSettingsToggle[aria-expanded="false"] .sidebar-toggle-direction {
  transform: rotate(180deg);
}

#closeSettings {
  display: none;
}

.settings-section {
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--color-border);
}

.settings-section h3 {
  margin: 0;
}

.sidebar .settings-section-toggle {
  display: flex;
  min-height: 36px;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-1) 2px;
  background: transparent;
  border-color: transparent;
  border-radius: var(--radius-sm);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1rem;
  text-transform: uppercase;
}

.sidebar .settings-section-toggle:hover:not(:disabled) {
  color: var(--color-primary-hover);
  background: var(--color-primary-soft);
  border-color: transparent;
}

.settings-chevron {
  width: 20px;
  height: 20px;
  flex: none;
  color: var(--color-primary);
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
  transform: rotate(-90deg);
  transition: transform var(--motion-standard) var(--ease-standard);
}

.settings-section-toggle[aria-expanded="true"] .settings-chevron {
  transform: rotate(0);
}

.settings-summary {
  margin: var(--space-1) 26px 0 2px;
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  line-height: 1.125rem;
}

.settings-section-content {
  display: grid;
  gap: var(--space-2);
  padding-top: var(--space-3);
}

.sidebar button,
.sidebar .upload {
  display: block;
  width: 100%;
  padding: 10px var(--space-3);
  text-align: left;
}

.sidebar .upload {
  text-align: center;
}

.settings-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  padding: 2px;
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  line-height: 1.125rem;
}

.sidebar select {
  width: 100%;
  min-height: 40px;
  min-width: 0;
  padding: 8px 34px 8px var(--space-3);
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border-control);
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
}

.sidebar .field-label {
  margin: var(--space-2) 2px 0;
  color: var(--color-text);
  font-size: 0.75rem;
  font-weight: 650;
  line-height: 1rem;
}

.settings-help {
  margin: var(--space-1) 2px 0;
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  line-height: 1.125rem;
}

.settings-danger-action,
.sidebar .clear-action {
  color: var(--color-danger);
  background: var(--color-danger-bg);
  border-color: #d9a09a;
}

.sidebar .new-project-action {
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border-color: var(--color-border);
}

.settings-danger-zone {
  margin-top: var(--space-2);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
}

.settings-danger-zone > span {
  color: var(--color-text);
  font-size: 0.75rem;
  font-weight: 700;
}

.settings-danger-zone p {
  margin: 2px 0 var(--space-2);
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  line-height: 1.125rem;
}

.layout-warning {
  padding: 10px;
  color: var(--color-warning);
  background: var(--color-warning-bg);
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  line-height: 1.125rem;
}

.settings-section > .layout-warning,
.settings-section > .print-warning {
  margin-top: var(--space-3);
}

.sidebar-foot {
  margin-top: auto;
  padding: var(--space-5) 3px 0;
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  line-height: 1.125rem;
}

.settings-backdrop {
  display: none;
}

.canvas-area {
  min-width: 0;
  flex: 1;
  padding: var(--space-6) var(--space-6) 5rem;
  background: var(--color-bg-workspace);
}

.canvas-top {
  position: sticky;
  top: var(--header-height);
  z-index: 25;
  display: grid;
  width: 100%;
  max-width: 1120px;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-4);
  margin: 0 auto var(--space-4);
  padding: var(--space-3);
  background: color-mix(in srgb, var(--color-bg-workspace) 92%, var(--color-bg-app));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 6px 18px rgba(41, 37, 33, 0.1);
}

.sidebar-collapsed .canvas-top {
  max-width: none;
  margin-inline: 0;
}

.canvas-top strong {
  display: block;
  color: var(--color-text);
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1.25rem;
}

.canvas-top .count {
  display: block;
  margin-top: 2px;
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  line-height: 1rem;
}

.canvas-heading {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: var(--space-3);
}

.page-navigation,
.page-step-controls {
  display: flex;
  align-items: center;
}

.page-navigation {
  flex: none;
  justify-self: end;
  gap: var(--space-2);
}

.page-step-controls {
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 8px rgba(41, 37, 33, 0.08);
}

.page-step,
.pages-toggle {
  min-height: 40px;
}

.page-step {
  width: 40px;
  min-width: 40px;
  padding: 0;
  border: 0;
  border-radius: 0;
  font-size: 1rem;
}

.page-indicator {
  min-width: 88px;
  padding: 0 var(--space-2);
  color: var(--color-text);
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1rem;
  text-align: center;
  white-space: nowrap;
}

.pages-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 7px var(--space-3);
  color: var(--color-primary);
}

.pages-toggle[aria-expanded="true"] {
  background: var(--color-primary-soft);
  border-color: var(--color-primary);
}

#mobileTools {
  display: none;
}

.canvas-area main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0;
}

/* Empty project */
.empty {
  display: grid;
  min-height: calc(100vh - var(--header-height) - 7rem);
  place-items: center;
  padding: var(--space-10) var(--space-6) var(--space-12);
  text-align: center;
}

.empty-content {
  max-width: 500px;
}

.empty h1 {
  margin: 0;
  color: var(--color-text);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 2rem;
}

.empty-description {
  margin: var(--space-3) 0 0;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.5rem;
}

.empty-add {
  min-height: 44px;
  margin-top: var(--space-6);
  padding: 10px var(--space-6);
}

.empty-workflow {
  margin: var(--space-5) 0 0;
  color: var(--color-text);
  font-size: 0.8125rem;
  line-height: 1.25rem;
}

.empty-privacy {
  margin: var(--space-2) 0 0;
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  line-height: 1.125rem;
}

/* Printable document preview. Values here are document-owned unless noted. */
@page {
  size: A4 portrait;
  margin: 0;
}

#pages .page {
  display: flex;
  width: var(--page-width, 210mm);
  height: var(--page-height, 297mm);
  flex-direction: column;
  gap: 5mm;
  overflow: hidden;
  margin: 0 auto var(--space-8);
  padding: 12mm;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: 2px;
  box-shadow: 0 8px 24px rgba(41, 37, 33, 0.12);
}

/* Read-only page navigator. Miniatures reference the existing photo sources. */
.page-navigator {
  position: fixed;
  top: var(--header-height);
  right: 0;
  bottom: 0;
  z-index: 30;
  display: flex;
  width: min(var(--page-navigator-width), calc(100vw - 24px));
  flex: 0 0 var(--page-navigator-width);
  flex-direction: column;
  overflow: hidden;
  background: var(--color-bg-sidebar);
  border-left: 1px solid var(--color-border);
  box-shadow: -12px 0 32px rgba(41, 37, 33, 0.16);
  opacity: 0;
  pointer-events: none;
  transform: translateX(100%);
  visibility: hidden;
  transition:
    border-color 210ms var(--ease-standard),
    box-shadow 210ms var(--ease-standard),
    opacity 160ms var(--ease-standard),
    transform 210ms var(--ease-standard),
    visibility 0s linear 210ms;
}

.pages-panel-open .page-navigator {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0);
  visibility: visible;
  transition:
    border-color 210ms var(--ease-standard),
    box-shadow 210ms var(--ease-standard),
    opacity 160ms var(--ease-standard),
    transform 210ms var(--ease-standard),
    visibility 0s linear;
}

.page-navigator-header {
  position: sticky;
  top: 0;
  z-index: 1;
  display: flex;
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-sidebar);
  border-bottom: 1px solid var(--color-border);
}

.page-navigator-header h2 {
  margin: 0;
  font-size: 1.125rem;
  line-height: 1.5rem;
}

#pageNavigatorCount {
  display: block;
  margin-top: 2px;
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  line-height: 1rem;
}

.icon-close-button {
  display: inline-grid;
  width: 40px;
  min-width: 40px;
  height: 40px;
  min-height: 40px;
  padding: 0;
  place-items: center;
  color: var(--color-text-secondary);
  background: var(--color-surface);
  border-color: var(--color-border);
  border-radius: var(--radius-md);
  line-height: 1;
}

.icon-close-button svg {
  width: 20px;
  height: 20px;
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.thumbnail-navigation {
  min-height: 0;
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: var(--space-4);
}

.thumbnail-list {
  display: grid;
  gap: var(--space-4);
}

.page-thumbnail {
  width: 100%;
  min-height: 0;
  padding: var(--space-2);
  text-align: left;
  background: transparent;
  border-color: transparent;
}

.page-thumbnail:hover:not(:disabled) {
  background: var(--color-primary-soft);
}

.page-thumbnail[aria-current="page"] {
  background: var(--color-primary-soft);
  border-color: var(--color-primary);
}

.thumbnail-sheet {
  display: flex;
  width: 100%;
  aspect-ratio: var(--thumbnail-ratio, 210 / 297);
  flex-direction: column;
  gap: 3%;
  overflow: hidden;
  padding: 6%;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: 2px;
  box-shadow: 0 3px 10px rgba(41, 37, 33, 0.1);
}

.thumbnail-grid {
  display: grid;
  min-height: 0;
  flex: 1;
  grid-template-columns: repeat(var(--thumbnail-cols, 2), minmax(0, 1fr));
  grid-template-rows: repeat(var(--thumbnail-rows, 3), minmax(0, 1fr));
  gap: var(--thumbnail-gap, 3px);
}

.thumbnail-photo {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 0;
  flex-direction: column;
  overflow: hidden;
  background: #f1f1f1;
}

.thumbnail-photo img {
  width: 100%;
  min-width: 0;
  min-height: 0;
  flex: 1;
  object-fit: var(--thumbnail-fit, contain);
}

.thumbnail-photo-caption {
  display: block;
  height: 12%;
  flex: 0 0 12%;
  background: #ffffff;
  border-top: 1px solid #dedede;
}

.thumbnail-photo.is-error::after {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--color-text-secondary);
  content: "Preview unavailable";
  font-size: 0.625rem;
  text-align: center;
}

.thumbnail-page-caption {
  display: block;
  height: 9%;
  flex: 0 0 9%;
  background: #ffffff;
  border-top: 1px solid #dedede;
}

.thumbnail-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding-top: var(--space-2);
  color: var(--color-text);
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1rem;
}

.thumbnail-current {
  color: var(--color-primary);
  font-weight: 750;
}

@media screen and (min-width: 821px) {
  body.pages-panel-open .status-notice,
  body.pages-panel-open .selection-bar {
    right: calc(var(--page-navigator-width) + var(--space-4));
  }
}

@media screen and (min-width: 821px) and (max-width: 1100px) {
  body.pages-panel-open .canvas-top {
    width: calc(100% - var(--page-navigator-width) - var(--space-4));
    grid-template-columns: minmax(0, 1fr);
    margin-left: 0;
    margin-right: calc(var(--page-navigator-width) + var(--space-4));
  }

  body.pages-panel-open .page-navigation {
    width: 100%;
    justify-content: flex-end;
    justify-self: stretch;
  }
}

@media screen and (min-width: 1101px) and (max-width: 1439px) {
  body.pages-panel-open .canvas-top {
    width: calc(100% - var(--page-navigator-width) - var(--space-4));
    margin-left: 0;
    margin-right: calc(var(--page-navigator-width) + var(--space-4));
  }
}

@media screen and (min-width: 1440px) {
  .page-navigator {
    position: sticky;
    top: var(--header-height);
    right: auto;
    bottom: auto;
    z-index: 15;
    width: var(--page-navigator-width);
    flex-basis: var(--page-navigator-width);
    height: calc(100vh - var(--header-height));
    margin-right: calc(-1 * var(--page-navigator-width));
    border-color: transparent;
    box-shadow: none;
    transition:
      margin-right 210ms var(--ease-standard),
      border-color 210ms var(--ease-standard),
      opacity 160ms var(--ease-standard),
      transform 210ms var(--ease-standard),
      visibility 0s linear 210ms;
  }

  .pages-panel-open .page-navigator {
    margin-right: 0;
    border-color: var(--color-border);
    transition:
      margin-right 210ms var(--ease-standard),
      border-color 210ms var(--ease-standard),
      opacity 160ms var(--ease-standard),
      transform 210ms var(--ease-standard),
      visibility 0s linear;
  }

  .page-navigator-header,
  .thumbnail-navigation {
    width: var(--page-navigator-width);
  }
}

#pages .photos-grid {
  display: grid;
  min-height: 0;
  flex: 1;
  grid-template-columns: repeat(var(--grid-cols, 2), minmax(0, 1fr));
  grid-template-rows: repeat(var(--grid-rows, 3), minmax(0, 1fr));
  gap: var(--gap, 5mm);
}

.photo {
  position: relative;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  break-inside: avoid;
  background: #f5f5f5;
  cursor: grab;
  isolation: isolate;
}

.photo:focus-visible {
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: -3px;
}

.photo > img,
.photo-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: var(--fit, contain);
  pointer-events: none;
}

.photo-media {
  position: relative;
  min-height: 0;
  flex: 1;
  overflow: hidden;
  background: #f5f5f5;
}

.photo.with-caption {
  display: flex;
  flex-direction: column;
  background: #ffffff;
}

.photo-actions {
  position: absolute;
  top: 7px;
  left: 7px;
  right: 7px;
  z-index: 4;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  width: fit-content;
  max-width: calc(100% - 14px);
  padding: var(--space-1);
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 8px rgba(41, 37, 33, 0.16);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-3px);
  visibility: hidden;
  transition:
    opacity var(--motion-fast) var(--ease-standard),
    transform var(--motion-fast) var(--ease-standard),
    visibility 0s linear var(--motion-fast);
}

.photo-actions button,
.photo .adjust {
  min-height: 32px;
  padding: 4px 7px;
  color: var(--color-text);
  background: var(--color-surface);
  border-color: var(--color-border-control);
  border-radius: var(--radius-sm);
  font-size: 0.6875rem;
  line-height: 1rem;
}

.photo-actions-toggle {
  position: absolute;
  top: 7px;
  right: 7px;
  z-index: 5;
  display: none;
  width: 40px;
  min-height: 40px;
  padding: 0;
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.96);
  border-color: var(--color-border-control);
  box-shadow: 0 2px 8px rgba(41, 37, 33, 0.16);
  letter-spacing: 1px;
}

.photo .handle {
  position: absolute;
  bottom: 8px;
  right: 7px;
  z-index: 3;
  padding: 5px 7px;
  color: #ffffff;
  background: rgba(41, 37, 33, 0.82);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  opacity: 0;
  pointer-events: none;
  transform: translateY(3px);
  visibility: hidden;
  transition:
    opacity var(--motion-fast) var(--ease-standard),
    transform var(--motion-fast) var(--ease-standard),
    visibility 0s linear var(--motion-fast);
}

.photo-select-control {
  position: absolute;
  bottom: 8px;
  left: 8px;
  z-index: 4;
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  gap: var(--space-1);
  padding: 4px 7px 4px 5px;
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid var(--color-border-control);
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 8px rgba(41, 37, 33, 0.16);
  cursor: pointer;
  font-size: 0.6875rem;
  font-weight: 650;
  line-height: 1rem;
  opacity: 0;
  pointer-events: none;
  transform: translateY(3px);
  visibility: hidden;
  transition:
    opacity var(--motion-fast) var(--ease-standard),
    transform var(--motion-fast) var(--ease-standard),
    visibility 0s linear var(--motion-fast);
}

.photo .select-photo {
  width: 18px;
  height: 18px;
  margin: 0;
  flex: none;
  cursor: pointer;
  accent-color: var(--color-primary);
}

.photo:hover .photo-actions,
.photo:hover .photo-select-control,
.photo:hover .handle,
.photo:focus-within .photo-actions,
.photo:focus-within .photo-select-control,
.photo:focus-within .handle,
.photo.selected .photo-actions,
.photo.selected .photo-select-control,
.photo.selected .handle,
.photo.actions-restoring-focus .photo-actions,
.photo.actions-restoring-focus .photo-select-control,
.photo.actions-restoring-focus .handle,
.photo.actions-open .photo-actions,
.photo.actions-open .photo-select-control,
.photo.actions-open .handle {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
  transition-delay: 0s;
}

/* Focus restoration must not wait on a visibility transition that may still be
   reversing after the crop dialog closes. Focus-within keeps the controls
   visible once focus has moved successfully. */
.photo.actions-restoring-focus .photo-actions {
  transition-property: none !important;
}

.photo:hover .photo-actions,
.photo:hover .photo-select-control,
.photo:focus-within .photo-actions,
.photo:focus-within .photo-select-control,
.photo.selected .photo-actions,
.photo.selected .photo-select-control,
.photo.actions-restoring-focus .photo-actions,
.photo.actions-restoring-focus .photo-select-control,
.photo.actions-open .photo-actions,
.photo.actions-open .photo-select-control {
  pointer-events: auto;
}

.photo.actions-closed .photo-actions,
.photo.actions-closed .photo-select-control,
.photo.actions-closed .handle {
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
}

.photo.actions-closed .photo-actions {
  transform: translateY(-3px);
}

.photo.actions-closed .photo-select-control,
.photo.actions-closed .handle {
  transform: translateY(3px);
}

.photo.selected {
  outline: 3px solid var(--color-primary);
  outline-offset: -3px;
  box-shadow: inset 0 0 0 6px var(--color-primary-soft);
}

.photo.dragging {
  opacity: 0.35;
}

.photo.drop-target,
.page.drag-over .photos-grid {
  outline: 3px solid var(--color-primary);
  outline-offset: -3px;
}

.photo-caption {
  width: 100%;
  min-height: 0;
  flex: 0 0 clamp(28px, 10%, 52px);
  overflow: hidden;
  padding: 3px 5px;
  resize: none;
  color: #283346;
  background: #ffffff;
  border: 1px dashed #d5dbe4;
  border-radius: 0;
  font: clamp(9px, 0.75vw, 12px)/1.25 Georgia, serif;
}

.caption-edit-trigger {
  display: none;
}

.photo-caption::placeholder,
.caption-wrap textarea::placeholder {
  color: #8c8c8c;
}

.caption-wrap {
  display: flex;
  height: 26mm;
  flex: none;
  flex-direction: column;
  gap: 2mm;
  padding-top: 4mm;
  border-top: 1px solid #dddddd;
}

.caption-wrap textarea {
  width: 100%;
  height: 100%;
  padding: 5px 8px;
  resize: none;
  color: #292929;
  background: #ffffff;
  border: 1px dashed #b8b8b8;
  border-radius: 4px;
  font: 14px/1.5 Georgia, serif;
}

.page-meta {
  color: #777777;
  font-size: 12px;
  text-align: right;
}

.caption-overflow {
  outline: 3px solid var(--color-danger) !important;
  outline-offset: -3px;
}

/* Warnings and notices */
.print-warning {
  padding: var(--space-3);
  color: var(--color-danger);
  background: var(--color-danger-bg);
  border: 2px solid var(--color-danger);
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  line-height: 1.125rem;
}

.print-warning strong {
  display: block;
  margin-bottom: 5px;
}

.print-warning p {
  margin: 5px 0;
}

.print-warning ul {
  margin: 7px 0;
  padding-left: 19px;
}

.caption-warning-link {
  min-height: 32px;
  padding: 2px 4px;
  color: var(--color-danger);
  background: transparent;
  border: 0;
  border-radius: var(--radius-sm);
  font-size: inherit;
  font-weight: 700;
  line-height: inherit;
  text-align: left;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.caption-warning-link:hover {
  color: var(--color-text);
  background: color-mix(in srgb, var(--color-danger) 9%, transparent);
}

.print-preparation {
  margin-top: var(--space-3);
  padding: var(--space-3);
  color: var(--color-text-secondary);
  background: var(--color-bg-app);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  line-height: 1.125rem;
}

.print-preparation strong {
  display: block;
  margin-bottom: var(--space-1);
  color: var(--color-text);
}

.print-preparation p {
  margin: 0;
}

.status-notice {
  position: fixed;
  right: var(--space-6);
  bottom: var(--space-6);
  z-index: 85;
  display: flex;
  width: min(360px, calc(100vw - 32px));
  min-height: 64px;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 32px rgba(41, 37, 33, 0.2);
  font-size: 0.8125rem;
  line-height: 1.25rem;
  opacity: 0;
  pointer-events: none;
  transform: translate(20px, 8px);
  transition:
    opacity var(--motion-standard) var(--ease-standard),
    transform var(--motion-standard) var(--ease-standard);
}

.status-notice[data-tone="success"] {
  border-left-color: var(--color-success);
}

.status-notice[data-tone="warning"] {
  background: var(--color-warning-bg);
  border-left-color: var(--color-warning);
}

.status-notice[data-tone="error"] {
  background: var(--color-danger-bg);
  border-left-color: var(--color-danger);
}

.status-notice.toast-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translate(0, 0);
}

.status-notice #status {
  flex: 1;
  overflow-wrap: anywhere;
}

.status-icon {
  display: grid;
  width: 24px;
  height: 24px;
  flex: 0 0 24px;
  place-items: center;
  color: var(--color-primary);
  border: 1px solid currentColor;
  border-radius: var(--radius-round);
  font-size: 0.75rem;
  font-weight: 800;
}

.status-notice[data-tone="success"] .status-icon {
  color: var(--color-success);
}

.status-notice[data-tone="warning"] .status-icon {
  color: var(--color-warning);
}

.status-notice[data-tone="error"] .status-icon {
  color: var(--color-danger);
}

.status-notice #dismissStatus {
  min-width: 32px;
  min-height: 32px;
  align-self: flex-start;
  padding: 0;
  color: var(--color-text-secondary);
  background: transparent;
  border-color: transparent;
  font-size: 1.25rem;
}

body.has-selection .status-notice {
  bottom: 100px;
}

#printBlockedMessage {
  display: none;
}

/* Selection actions */
.selection-bar {
  position: fixed;
  right: var(--space-6);
  bottom: var(--space-6);
  z-index: 80;
  display: flex;
  width: min(360px, calc(100vw - 32px));
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 10px var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 32px rgba(41, 37, 33, 0.2);
}

.selection-cancel {
  min-height: 36px;
  padding: 6px var(--space-2);
  color: var(--color-text-secondary);
  background: transparent;
  border-color: transparent;
  font-size: 0.75rem;
}

.remove-danger {
  padding: 9px var(--space-3);
  color: var(--color-danger);
  background: var(--color-danger-bg);
  border-color: #d9a09a;
}

.remove-danger:hover:not(:disabled) {
  color: #ffffff;
  background: var(--color-danger);
  border-color: var(--color-danger);
}

/* Shared Modern Clay modal surfaces */
body.modal-open {
  overflow: hidden;
}

.help-backdrop,
.confirm-backdrop,
.editor-backdrop,
.caption-sheet-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
  background: rgba(41, 37, 33, 0.58);
}

.confirm-backdrop {
  z-index: 110;
}

.help-panel,
.confirm-panel,
.editor,
.caption-sheet {
  width: min(100%, 490px);
  max-height: 85vh;
  overflow: auto;
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 64px rgba(41, 37, 33, 0.3);
  overscroll-behavior: contain;
}

.confirm-panel {
  width: min(100%, 430px);
}

.editor {
  width: min(94vw, 480px);
}

.caption-sheet {
  width: min(100%, 560px);
}

.caption-sheet-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
}

.caption-sheet-header h2 {
  margin: 0;
  color: var(--color-text);
  font-size: 1.125rem;
  line-height: 1.625rem;
}

.caption-sheet-header p,
#captionSheetDescription,
.caption-sheet-status {
  margin: var(--space-1) 0 0;
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
  line-height: 1.25rem;
}

#captionSheetDescription {
  margin-top: var(--space-4);
}

#captionSheetField {
  width: 100%;
  min-height: 144px;
  margin-top: var(--space-2);
  padding: var(--space-3);
  resize: vertical;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border-control);
  border-radius: var(--radius-md);
  font: 1rem/1.5 var(--font-sans);
}

#captionSheetField[aria-invalid="true"] {
  border-color: var(--color-danger);
  outline: 2px solid color-mix(in srgb, var(--color-danger) 24%, transparent);
  outline-offset: 1px;
}

.caption-sheet-details {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  margin-top: var(--space-2);
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  line-height: 1.125rem;
}

.caption-sheet-status.is-overflowing {
  color: var(--color-danger);
  font-weight: 700;
}

.caption-sheet-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: var(--space-5);
}

.help-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.help-title h2,
.confirm-panel h2,
.editor h2 {
  margin: 0;
  color: var(--color-text);
  font-size: 1.125rem;
  line-height: 1.625rem;
}

.help-panel p,
.confirm-panel p,
.editor p {
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
  line-height: 1.375rem;
}

.help-panel p {
  margin: var(--space-4) 0;
}

.help-panel .help-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: 0;
}

.help-panel a,
.info-document a {
  color: var(--color-primary-hover);
  font-weight: 650;
  text-underline-offset: 0.15em;
}

.help-panel a:hover,
.info-document a:hover {
  color: var(--color-primary-pressed);
}

/* Standalone public privacy and licensing pages. */
.info-page {
  overflow-x: auto;
  color: var(--color-text);
  background: var(--color-bg-app);
}

.info-header {
  display: flex;
  min-height: 64px;
  align-items: center;
  padding: 0 clamp(var(--space-4), 5vw, var(--space-10));
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.info-wordmark {
  color: var(--color-text);
  text-decoration: none;
}

.info-document {
  width: min(100% - 2rem, 820px);
  margin: var(--space-10) auto;
  padding: clamp(var(--space-5), 5vw, var(--space-10));
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 48px rgba(41, 37, 33, 0.08);
  line-height: 1.65;
}

.info-document h1 {
  margin: 0;
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.info-document h2 {
  margin: var(--space-8) 0 var(--space-2);
  font-size: 1.125rem;
  line-height: 1.4;
}

.info-document p,
.info-document li,
.info-document dd,
.info-document td,
.info-document th {
  font-size: 0.9375rem;
}

.info-document ul {
  padding-left: var(--space-6);
}

.info-eyebrow {
  margin: 0 0 var(--space-2);
  color: var(--color-primary);
  font-size: 0.75rem !important;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.info-lead {
  color: var(--color-text-secondary);
  font-size: 1.0625rem !important;
}

.info-table-wrap {
  overflow-x: auto;
  margin-top: var(--space-4);
}

.info-document table {
  width: 100%;
  border-collapse: collapse;
}

.info-document th,
.info-document td {
  padding: var(--space-3);
  text-align: left;
  vertical-align: top;
  border: 1px solid var(--color-border);
}

.info-document th {
  background: var(--color-bg-sidebar);
}

.notice-details {
  margin: var(--space-4) 0;
}

.notice-details div {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
}

.notice-details dt {
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.notice-details dd {
  margin: var(--space-1) 0 0;
}

.hash {
  overflow-wrap: anywhere;
}

.info-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  margin-top: var(--space-8);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
}

.info-primary-link {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  color: #ffffff !important;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  text-decoration: none;
}

.info-primary-link:hover {
  background: var(--color-primary-hover);
}

.info-disclaimer {
  color: var(--color-text-secondary);
  font-size: 0.75rem !important;
}

.confirm-symbol {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  margin-bottom: var(--space-4);
  color: var(--color-danger);
  background: var(--color-danger-bg);
  border-radius: var(--radius-md);
  font-size: 1.25rem;
  font-weight: 800;
}

.confirm-panel p {
  margin: var(--space-2) 0 var(--space-6);
}

.confirm-actions,
.editor .actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
  margin-top: var(--space-5);
}

#confirmCancel {
  background: var(--color-bg-app);
  border-color: var(--color-border-control);
}

#confirmProceed {
  color: #ffffff;
  background: var(--color-primary);
  border-color: var(--color-primary);
}

#confirmProceed.is-danger {
  background: var(--color-danger);
  border-color: var(--color-danger);
}

#confirmProceed:hover:not(:disabled),
.primary-action:hover:not(:disabled) {
  color: #ffffff;
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

#confirmProceed.is-danger:hover:not(:disabled) {
  background: #862d2d;
  border-color: #862d2d;
}

.primary-action {
  color: #ffffff;
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.quiet-action {
  color: var(--color-text-secondary);
  background: transparent;
  border-color: transparent;
}

#confirmProceed:focus-visible,
.primary-action:focus-visible {
  outline-color: #ffffff;
  box-shadow: 0 0 0 5px var(--focus-ring-color);
}

.preview {
  width: min(100%, 310px);
  height: auto;
  aspect-ratio: 1;
  overflow: hidden;
  margin: var(--space-4) auto;
  background: var(--color-bg-workspace);
  cursor: grab;
  touch-action: none;
}

.preview:active {
  cursor: grabbing;
}

.preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  user-select: none;
}

.editor .control {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: var(--space-3) 0;
  font-size: 0.875rem;
}

.editor .control label {
  width: 100px;
}

.editor .control input {
  min-width: 0;
  flex: 1;
}

/* Responsive preview and shell */
@media screen and (max-width: 1100px) {
  :root {
    --sidebar-width: 280px;
  }

  .canvas-area {
    padding: var(--space-5) var(--space-3) 4.5rem;
  }

  #pages .page {
    width: min(100%, var(--page-width, 210mm));
    height: auto;
    aspect-ratio: var(--page-ratio, 210 / 297);
    gap: 2%;
    padding: 4%;
  }

  #pages .caption-wrap:not([hidden]) {
    height: 9%;
    padding-top: 2%;
  }
}

@media screen and (max-width: 900px) {
  .app-header {
    gap: var(--space-3);
    padding-inline: var(--space-4);
  }

  .project-identity {
    gap: var(--space-3);
  }

  #projectName {
    max-width: 24vw;
  }

  .header-actions button {
    padding-inline: var(--space-3);
  }

  .print-label-full {
    display: none;
  }

  .print-label-short {
    display: inline;
  }
}

@media screen and (max-width: 820px) {
  body.settings-drawer-open {
    overflow: hidden;
  }

  .settings-rail {
    position: static;
    z-index: auto;
    width: 0;
    height: 0;
    flex-basis: 0;
    overflow: visible;
  }

  .settings-backdrop {
    position: fixed;
    inset: 0;
    z-index: 80;
    display: block;
    background: rgba(41, 37, 33, 0.42);
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transition:
      opacity 210ms var(--ease-standard),
      visibility 0s linear 210ms;
  }

  .settings-drawer-open .settings-backdrop {
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
    transition:
      opacity 210ms var(--ease-standard),
      visibility 0s linear;
  }

  .sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 90;
    display: flex;
    width: min(360px, calc(100vw - 32px));
    height: 100dvh;
    max-height: 100vh;
    flex-basis: auto;
    border-right: 1px solid var(--color-border);
    box-shadow: 12px 0 36px rgba(41, 37, 33, 0.24);
    opacity: 0;
    pointer-events: none;
    transform: translateX(-100%);
    visibility: hidden;
    transition:
      opacity 160ms var(--ease-standard),
      transform 210ms var(--ease-standard),
      visibility 0s linear 210ms;
  }

  .settings-drawer-open .sidebar {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(0);
    visibility: visible;
    transition:
      opacity 160ms var(--ease-standard),
      transform 210ms var(--ease-standard),
      visibility 0s linear;
  }

  .settings-panel-header {
    padding-top: calc(var(--space-3) + env(safe-area-inset-top));
    padding-right: var(--space-4);
    padding-left: var(--space-4);
  }

  .settings-scroll {
    padding-bottom: calc(var(--space-6) + env(safe-area-inset-bottom));
  }

  #desktopSettingsToggle {
    display: none;
  }

  #closeSettings {
    display: inline-grid;
  }

  .sidebar #closeSettings {
    width: 40px;
    padding: 0;
    text-align: center;
  }

  #mobileTools {
    display: inline-flex;
  }

  .canvas-area {
    padding: var(--space-4) 9px 4.5rem;
  }

  .canvas-top {
    top: var(--header-height);
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-2);
    padding: var(--space-2);
    border-radius: 0;
  }

  .canvas-heading {
    flex: 1 1 auto;
  }

  .page-navigation {
    width: 100%;
    justify-content: space-between;
    justify-self: stretch;
  }

  .pages-panel-open .page-navigation {
    justify-content: flex-end;
  }

  .page-navigator {
    width: min(320px, calc(100vw - 12px));
  }

  #pages .photo-caption,
  #pages .caption-wrap textarea {
    display: none;
  }

  #pages .caption-edit-trigger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    min-height: 40px;
    padding: var(--space-2) var(--space-3);
    color: var(--color-primary);
    background: var(--color-primary-soft);
    border-color: var(--color-border-control);
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    font-weight: 700;
    line-height: 1.125rem;
  }

  #pages .photo-caption-trigger {
    width: 100%;
    flex: 0 0 clamp(40px, 12%, 48px);
    border-radius: 0;
  }

  #pages .page-caption-trigger {
    width: 100%;
    flex: 1;
  }

  #pages .caption-edit-trigger.caption-overflow {
    color: var(--color-danger);
    background: var(--color-danger-bg);
  }

  .caption-sheet-backdrop {
    align-items: flex-end;
    padding: 0;
  }

  .caption-sheet {
    width: 100%;
    max-height: min(82dvh, 680px);
    padding: var(--space-5) var(--space-4) calc(var(--space-5) + env(safe-area-inset-bottom));
    border-right: 0;
    border-bottom: 0;
    border-left: 0;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  }

  #captionSheetField {
    min-height: 160px;
    font-size: 1rem;
  }
}

@media screen and (max-width: 620px) {
  :root {
    --header-height: 72px;
  }

  .app-header {
    gap: var(--space-2);
    padding: var(--space-2);
  }

  .project-identity {
    gap: var(--space-2);
  }

  .wordmark {
    font-size: 1.125rem;
  }

  #projectName {
    max-width: none;
    font-size: 0.75rem;
    line-height: 1rem;
  }

  .project-state {
    font-size: 0.6875rem;
    line-height: 0.875rem;
  }

  .header-actions {
    gap: var(--space-1);
  }

  .header-actions button {
    min-height: 40px;
    padding: 8px;
    font-size: 0.8125rem;
  }

  .help-action {
    width: 40px;
    justify-content: center;
  }

  .help-label {
    display: none;
  }

  .empty {
    min-height: calc(100vh - var(--header-height) - 5rem);
    padding: var(--space-8) var(--space-4) var(--space-12);
  }

  .empty h1 {
    font-size: 1.25rem;
    line-height: 1.75rem;
  }

  .status-notice,
  .selection-bar {
    right: var(--space-3);
    bottom: var(--space-3);
    width: calc(100vw - 24px);
  }

  body.has-selection .status-notice {
    bottom: 92px;
  }

  .help-backdrop,
  .confirm-backdrop,
  .editor-backdrop {
    align-items: flex-start;
    padding: var(--space-4);
    overflow: auto;
  }

  .help-panel,
  .confirm-panel,
  .editor {
    max-height: calc(100dvh - 32px);
    padding: var(--space-5);
  }

  .confirm-actions,
  .editor .actions {
    position: sticky;
    bottom: calc(-1 * var(--space-5));
    margin: var(--space-5) calc(-1 * var(--space-5)) calc(-1 * var(--space-5));
    padding: var(--space-3) var(--space-5) var(--space-5);
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
  }
}

@media screen and (max-width: 420px) {
  .header-actions button {
    padding-inline: 7px;
  }

  .help-action {
    width: 36px;
    min-width: 36px;
    padding-inline: 0 !important;
  }

  .page-indicator {
    min-width: 76px;
    padding-inline: var(--space-1);
  }

  .pages-toggle {
    padding-inline: var(--space-2);
  }
}

@media screen and (max-width: 820px), (hover: none), (pointer: coarse) {
  .photo-actions-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .photo-actions {
    right: 52px;
    max-width: calc(100% - 59px);
  }

  .photo-actions button,
  .photo .adjust,
  .photo-select-control {
    min-height: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .sidebar,
  .settings-rail,
  .settings-backdrop,
  .sidebar-toggle-direction,
  .page-navigator,
  #desktopSettingsToggle {
    transition: none !important;
  }
}

/* Print owns explicit document values and removes all application chrome. */
@media print {
  html,
  body {
    margin: 0;
    padding: 0;
    background: #ffffff;
  }

  .app-header,
  .settings-rail,
  .sidebar,
  .settings-backdrop,
  .canvas-top,
  .page-navigation,
  .page-navigator,
  #pageJumpStatus,
  #desktopSettingsToggle,
  #mobileTools,
  .help-backdrop,
  .confirm-backdrop,
  .editor-backdrop,
  .caption-sheet-backdrop,
  .selection-bar,
  .status-notice,
  .empty,
  .handle,
  .adjust,
  .photo-actions,
  .photo-actions-toggle,
  .caption-edit-trigger,
  .photo-select-control,
  .select-photo,
  .page-meta,
  .print-warning {
    display: none !important;
  }

  .workspace,
  .canvas-area {
    display: block;
    min-height: 0;
    padding: 0 !important;
    background: #ffffff;
  }

  .canvas-area main {
    max-width: none;
    margin: 0;
  }

  #pages .page {
    width: var(--page-width, 210mm) !important;
    height: var(--page-height, 297mm) !important;
    aspect-ratio: auto !important;
    break-after: page;
    page-break-after: always;
    gap: 5mm !important;
    margin: 0 !important;
    padding: 12mm !important;
    overflow: hidden;
    background: #ffffff;
    border: 0 !important;
    border-radius: 0 !important;
    box-shadow: none !important;
  }

  #pages .page:last-child {
    break-after: auto;
    page-break-after: auto;
  }

  #pages .photo-caption {
    flex-basis: 12% !important;
    padding: 1mm !important;
    border: 0 !important;
    font-size: 10pt !important;
  }

  #pages .caption-wrap {
    height: 26mm !important;
    padding-top: 4mm !important;
  }

  #pages .caption-wrap textarea {
    overflow: hidden;
    padding: 0;
    resize: none;
    border: 0;
    outline: none;
  }

  #pages .caption-wrap textarea::placeholder,
  #pages .photo-caption::placeholder {
    color: transparent;
  }

  #pages *,
  #pages *:hover,
  #pages *:focus,
  #pages *:focus-visible {
    outline: none !important;
    box-shadow: none !important;
    filter: none !important;
  }

  #pages .photo,
  #pages .photo.dragging,
  #pages .photo.drop-target {
    opacity: 1 !important;
    cursor: default !important;
  }

  #pages .photos-grid {
    outline: none !important;
  }

  body.print-blocked #pages {
    display: none !important;
  }

  body.print-blocked #printBlockedMessage {
    display: block !important;
    width: var(--page-width, 210mm);
    min-height: var(--page-height, 297mm);
    padding: 24mm;
    color: #20232a;
    font: 14pt/1.5 system-ui, sans-serif;
  }

  body.print-blocked #printBlockedMessage h1 {
    font-size: 22pt;
  }

  * {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
}