/* style.css — Leibniz Legible.
 *
 * Register: calm, scholarly, institutional. Serif for anything that is
 * content (manuscript text, prose, catalogue data), sans for chrome (nav,
 * buttons, labels, metadata). No web fonts are downloaded; the stacks below
 * are system fonts only. Light theme, with a dark theme under a media query.
 *
 * All colour pairs used for text are at or above 4.5:1 contrast in both
 * themes.
 */

/* ------------------------------------------------------------------ tokens */

:root {
  color-scheme: light dark;

  --serif: 'Iowan Old Style', 'Palatino Linotype', Palatino, 'Book Antiqua', Georgia,
    'Times New Roman', 'Liberation Serif', 'DejaVu Serif', serif;
  --sans: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial,
    'Liberation Sans', sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, 'Liberation Mono', monospace;

  --bg: #fcfbf8;
  --bg-panel: #ffffff;
  --bg-sunken: #f3f1ea;
  --fg: #191714;
  --muted: #5c564a;
  --rule: #d9d4c6;
  --rule-strong: #b9b2a0;
  --link: #1f4e6b;
  --link-hover: #123a52;
  --on-accent: #fcfbf8;
  --focus: #9a4a12;
  --mark-bg: #ffe58a;
  --mark-fg: #191714;

  --ok: #2c6b34;
  --warn: #8a5510;

  --band-1: #f4d9d4;
  --band-2: #f6e3c8;
  --band-3: #f0eccb;
  --band-4: #e2ecd2;
  --band-5: #d8e8d4;
  --band-fg: #191714;

  --badge-machine: #eceae3;
  --badge-aligned: #dde8f0;
  --badge-corrected: #e6e2f2;
  --badge-verified: #d9ecd9;
  --badge-fg: #191714;

  --overlay-stroke: rgba(31, 78, 107, 0.8);
  --overlay-fill: rgba(31, 78, 107, 0.09);
  --overlay-stroke-active: #b3450f;
  --overlay-fill-active: rgba(179, 69, 15, 0.22);

  --shadow: 0 1px 2px rgba(25, 23, 20, 0.06);
  --radius: 4px;
  --wrap: 78rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14130f;
    --bg-panel: #1c1a16;
    --bg-sunken: #232019;
    --fg: #eceae3;
    --muted: #a9a293;
    --rule: #383428;
    --rule-strong: #4e4938;
    --link: #8ec3e0;
    --link-hover: #b3d8ee;
    --on-accent: #14130f;
    --focus: #e8a86a;
    --mark-bg: #5a4a12;
    --mark-fg: #f5efd8;

    --ok: #7bbd84;
    --warn: #d9a758;

    --band-1: #3d2220;
    --band-2: #3d2f1a;
    --band-3: #3a361a;
    --band-4: #2a3a1c;
    --band-5: #1f3a20;
    --band-fg: #eceae3;

    --badge-machine: #26241e;
    --badge-aligned: #1d2b34;
    --badge-corrected: #262238;
    --badge-verified: #1e3021;
    --badge-fg: #eceae3;

    --overlay-stroke: rgba(142, 195, 224, 0.85);
    --overlay-fill: rgba(142, 195, 224, 0.1);
    --overlay-stroke-active: #f0a35e;
    --overlay-fill-active: rgba(240, 163, 94, 0.24);

    --shadow: none;
  }
}

/* ------------------------------------------------------------------- reset */

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--serif);
  font-size: 1.0625rem;
  line-height: 1.6;
  display: flex;
  min-height: 100vh;
  flex-direction: column;
}

h1,
h2,
h3,
h4,
legend,
.button,
.badge,
.chip,
.site-nav,
.field__label,
.hint,
.muted,
.canvas__meta,
.stat__label,
.pagination,
table {
  font-family: var(--sans);
}

h1 {
  font-size: 1.6rem;
  line-height: 1.25;
  margin: 0 0 0.35rem;
  letter-spacing: -0.01em;
}

h2 {
  font-size: 1.2rem;
  margin: 0 0 0.6rem;
}

h3 {
  font-size: 1.02rem;
  margin: 0 0 0.35rem;
}

h4 {
  font-size: 0.95rem;
  margin: 0 0 0.25rem;
}

p {
  margin: 0 0 0.8rem;
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

a:hover {
  color: var(--link-hover);
}

code {
  font-family: var(--mono);
  font-size: 0.85em;
  overflow-wrap: anywhere;
}

mark {
  background: var(--mark-bg);
  color: var(--mark-fg);
  padding: 0 0.1em;
  border-radius: 2px;
}

img {
  max-width: 100%;
  height: auto;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* --------------------------------------------------------------- structure */

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: 1rem;
}

.skip-link {
  position: absolute;
  left: 0.5rem;
  top: -4rem;
  z-index: 10;
  background: var(--bg-panel);
  color: var(--fg);
  border: 1px solid var(--rule-strong);
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius);
  font-family: var(--sans);
}

.skip-link:focus {
  top: 0.5rem;
}

.site-header {
  border-bottom: 1px solid var(--rule);
  background: var(--bg-panel);
}

.site-header__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.6rem 1.4rem;
  padding-block: 0.8rem;
}

.site-id {
  margin-right: auto;
}

.site-id__name {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: 0.01em;
}

.site-id__name:hover {
  text-decoration: underline;
}

.site-id__tagline {
  margin: 0;
  font-family: var(--sans);
  font-size: 0.82rem;
  color: var(--muted);
}

.site-nav {
  display: flex;
  gap: 1.1rem;
  font-size: 0.95rem;
}

.site-nav a[aria-current='page'] {
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

.lang-switch {
  display: inline-flex;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  overflow: hidden;
}

.lang-switch button {
  font-family: var(--sans);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  padding: 0.3rem 0.6rem;
  border: 0;
  background: var(--bg-panel);
  color: var(--muted);
  cursor: pointer;
}

.lang-switch button + button {
  border-left: 1px solid var(--rule);
}

.lang-switch button[aria-pressed='true'] {
  background: var(--bg-sunken);
  color: var(--fg);
  font-weight: 700;
}

.lang-switch--inline {
  margin-left: 0.4rem;
  vertical-align: middle;
}

main {
  flex: 1 0 auto;
  padding-block: 1.4rem 2.5rem;
}

main:focus {
  outline: none;
}

#view {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.site-footer {
  border-top: 1px solid var(--rule);
  background: var(--bg-panel);
  padding-block: 1.2rem 2rem;
  font-family: var(--sans);
  font-size: 0.8rem;
  color: var(--muted);
}

.site-footer p {
  margin: 0 0 0.3rem;
  max-width: 62rem;
}

/* ------------------------------------------------------------- shared bits */

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.1rem 1.2rem;
}

.muted {
  color: var(--muted);
  font-size: 0.85rem;
}

.hint {
  color: var(--muted);
  font-size: 0.85rem;
  margin: 0.35rem 0 0;
}

.notice {
  border-left: 4px solid var(--rule-strong);
}

/* one scan, several registrations (views/page.js twinNotice) */
.notice--twin {
  border-left: 4px solid var(--rule-strong);
  font-family: var(--sans);
  font-size: 0.88rem;
  line-height: 1.5;
  margin: 0 0 1rem;
}

.notice--inline {
  background: var(--bg-sunken);
  border: 1px solid var(--rule);
  border-left: 4px solid var(--rule-strong);
  border-radius: var(--radius);
  padding: 0.6rem 0.9rem;
  font-family: var(--sans);
  font-size: 0.88rem;
  margin: 0;
}

.banner {
  font-family: var(--sans);
  font-size: 0.86rem;
  line-height: 1.5;
  padding: 0.6rem 0.9rem;
  border-radius: var(--radius);
  border: 1px solid var(--rule-strong);
  background: var(--bg-sunken);
  color: var(--fg);
}

.banner--honesty {
  border-left: 4px solid var(--warn);
}

.button {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.88rem;
  line-height: 1.2;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  background: var(--bg-sunken);
  color: var(--fg);
  text-decoration: none;
  cursor: pointer;
}

a.button:hover,
button.button:hover {
  background: var(--bg-panel);
  color: var(--fg);
}

.button--primary {
  background: var(--link);
  border-color: var(--link);
  color: var(--on-accent);
  font-weight: 600;
}

button.button--primary:hover,
a.button--primary:hover {
  background: var(--link-hover);
  border-color: var(--link-hover);
  color: var(--on-accent);
}

.button--small {
  font-size: 0.78rem;
  padding: 0.25rem 0.55rem;
}

.button--disabled {
  color: var(--muted);
  border-style: dashed;
  background: transparent;
  cursor: default;
}

.state {
  font-family: var(--sans);
  font-size: 0.92rem;
}

.state--error h2,
.state--notfound h1 {
  margin-top: 0;
}

.state--loading,
.state--start,
.state--empty {
  color: var(--muted);
  padding: 0.6rem 0;
}

.state--error {
  border-left: 4px solid var(--warn);
}

.state--skipped {
  color: var(--fg);
}

.deflist {
  margin: 0.4rem 0 0.8rem;
}

.deflist__row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem 0.7rem;
  padding: 0.18rem 0;
  border-top: 1px solid var(--rule);
}

.deflist__row:first-child {
  border-top: 0;
}

.deflist dt {
  font-family: var(--sans);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  flex: 0 0 11rem;
}

.deflist dd {
  margin: 0;
  flex: 1 1 16rem;
}

.deflist--tight dt {
  flex-basis: 8rem;
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.8rem;
}

.linklist {
  list-style: none;
  margin: 0.6rem 0 0;
  padding: 0;
  font-family: var(--sans);
  font-size: 0.9rem;
}

.linklist li {
  margin-bottom: 0.25rem;
}

.linklist--inline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.2rem;
}

.linklist--inline li {
  margin: 0;
}

.attribution__line {
  font-family: var(--sans);
  font-size: 0.75rem;
  color: var(--muted);
  margin: 0.7rem 0 0;
}

/* ------------------------------------------------------------ badges/chips */

.badge,
.chip {
  display: inline-block;
  font-size: 0.72rem;
  line-height: 1.5;
  padding: 0.05rem 0.45rem;
  border-radius: 999px;
  letter-spacing: 0.02em;
  white-space: nowrap;
  border: 1px solid var(--rule);
}

.badge {
  color: var(--badge-fg);
  background: var(--badge-machine);
}

.badge--aligned {
  background: var(--badge-aligned);
}

.badge--corrected {
  background: var(--badge-corrected);
}

.badge--verified {
  background: var(--badge-verified);
}

.chip--conf {
  color: var(--band-fg);
  font-variant-numeric: tabular-nums;
}

.chip--conf-0 {
  background: transparent;
  color: var(--muted);
}

.chip--conf-1 {
  background: var(--band-1);
}

.chip--conf-2 {
  background: var(--band-2);
}

.chip--conf-3 {
  background: var(--band-3);
}

.chip--conf-4 {
  background: var(--band-4);
}

.chip--conf-5 {
  background: var(--band-5);
}

.chip--lang {
  background: var(--bg-sunken);
  color: var(--fg);
}

.chip--fold {
  background: var(--bg-sunken);
  color: var(--fg);
  border: 1px dashed var(--rule-strong);
}

.dot {
  display: inline-block;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--ok);
  flex: none;
}

.dot--skipped {
  background: var(--muted);
}

/* ------------------------------------------------------------- search view */

.search-panel h1 {
  margin-bottom: 0.8rem;
}

.search-form {
  display: grid;
  gap: 1rem;
}

.search-form__row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.search-form__row input[type='search'] {
  flex: 1 1 18rem;
  min-width: 0;
}

.field__label,
.search-form legend {
  display: block;
  font-family: var(--sans);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 0.25rem;
}

input[type='search'],
input[type='text'],
select {
  font: inherit;
  font-family: var(--sans);
  font-size: 0.95rem;
  padding: 0.45rem 0.6rem;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--fg);
  width: 100%;
}

.search-form__filters {
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 0.8rem 1rem 0.4rem;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
  gap: 0.4rem 1rem;
}

.search-form__filters legend {
  margin-bottom: 0;
  padding-inline: 0.35rem;
}

.field {
  margin: 0 0 0.7rem;
}

.field--check {
  margin: 0.4rem 0 0;
  font-family: var(--sans);
  font-size: 0.85rem;
}

.field--check input {
  margin-inline-end: 0.35rem;
}

.field__range {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.field__range input[type='range'] {
  flex: 1 1 auto;
  min-width: 0;
  accent-color: var(--link);
}

.field__range output {
  font-family: var(--mono);
  font-size: 0.85rem;
  min-width: 2.6rem;
  text-align: right;
  color: var(--fg);
}

.results > h2 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.results__summary {
  font-family: var(--sans);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.results__summary .muted {
  font-size: 0.85rem;
}

.group {
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--bg-panel);
  padding: 0.9rem 1.1rem;
  margin-bottom: 1rem;
}

.group__title {
  font-family: var(--serif);
  font-size: 1.1rem;
  margin-bottom: 0.15rem;
}

.group__meta {
  font-family: var(--sans);
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.7rem;
}

.hits {
  list-style: none;
  margin: 0;
  padding: 0;
}

.hit {
  display: flex;
  gap: 0.8rem;
  padding: 0.6rem 0;
  border-top: 1px solid var(--rule);
}

.hit__thumb {
  flex: none;
  display: block;
  line-height: 0;
}

.hit__thumb img {
  width: 56px;
  height: auto;
  border: 1px solid var(--rule);
  background: var(--bg-sunken);
}

.hit__body {
  min-width: 0;
  flex: 1 1 auto;
}

.hit__title {
  font-family: var(--sans);
  font-size: 0.85rem;
  /* no uppercase: a folio label's r/v is part of it ("Folio 137r", not "137R") */
  letter-spacing: 0.02em;
}

.hit__snippet {
  margin: 0.15rem 0 0.35rem;
  line-height: 1.55;
  overflow-wrap: break-word;
}

.hit__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.7rem;
  margin: 0;
  font-family: var(--sans);
  font-size: 0.78rem;
  color: var(--muted);
}

.pagination {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.pagination__status {
  font-size: 0.85rem;
  color: var(--muted);
}

/* ------------------------------------------------------------- browse view */

.browse {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.browse__filter {
  margin-top: 0.9rem;
  max-width: 34rem;
}

.browse__note {
  margin: 0;
  max-width: 62rem;
}

/* These set a display of their own, which would beat the hidden attribute. */
.family[hidden],
.section[hidden],
.entry[hidden],
.entries__note[hidden] {
  display: none;
}

.family__meta {
  margin-bottom: 0.35rem;
}

.family__about {
  font-family: var(--sans);
  font-size: 0.88rem;
  color: var(--muted);
  max-width: 62rem;
}

.section {
  border-top: 1px solid var(--rule);
}

.section__summary {
  cursor: pointer;
  padding: 0.5rem 0.25rem;
  font-family: var(--sans);
  font-size: 0.95rem;
}

.section__summary:hover .section__title {
  text-decoration: underline;
}

.section__title {
  font-weight: 600;
}

.section__count {
  margin-left: 0.4rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.section__sort {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.2rem 0 0.6rem 1.35rem;
}

.section__sort [aria-pressed='true'] {
  background: var(--link);
  border-color: var(--link);
  color: var(--on-accent);
}

.entries {
  list-style: none;
  margin: 0.1rem 0 1rem;
  padding: 0 0 0 1.35rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.05rem 1.6rem;
}

/* Short entries run in columns; min() keeps one column inside a phone. */
.entries--lh {
  grid-template-columns: repeat(auto-fill, minmax(min(15rem, 100%), 1fr));
}

.entries--lbr {
  grid-template-columns: repeat(auto-fill, minmax(min(21rem, 100%), 1fr));
}

.entry {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 0.6rem;
  min-width: 0;
  padding: 0.14rem 0;
}

.entry__link {
  min-width: 0;
  overflow-wrap: anywhere;
}

.entry__mark {
  font-family: var(--sans);
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
}

.entries--lbr .entry__label + .entry__mark,
.entries--lbr .entry__mark + .entry__label {
  margin-left: 0.25rem;
}

.entry__meta {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  font-family: var(--sans);
  font-size: 0.76rem;
  color: var(--muted);
  white-space: nowrap;
}

.chip--kat {
  background: var(--bg-sunken);
  color: var(--fg);
  padding-inline: 0.35rem;
}

.entries__note {
  grid-column: 1 / -1;
  margin: 0.7rem 0 0.2rem;
  font-family: var(--sans);
  font-size: 0.82rem;
  color: var(--muted);
}

/* The way back from a work into the index. */
.crumbs ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.1rem 0.45rem;
  margin: 0 0 0.45rem;
  padding: 0;
  font-family: var(--sans);
  font-size: 0.85rem;
}

.crumbs li + li::before {
  content: '›';
  margin-right: 0.45rem;
  color: var(--muted);
}

/* --------------------------------------------------------------- work view */

.work {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.work__id {
  margin-top: -0.15rem;
}

.katalog-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.katalog {
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 0.8rem 0.95rem;
  background: var(--bg-sunken);
}

.katalog__title {
  font-family: var(--serif);
  font-size: 1.02rem;
}

.katalog__match {
  margin-top: 0.3rem;
}

.aa-ref {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.82rem;
  padding: 0.05rem 0.4rem;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  margin-right: 0.3rem;
  white-space: nowrap;
}

.canvas-strip {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 0.9rem;
}

.canvas__link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.canvas__img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: contain;
  object-position: top center;
  background: var(--bg-sunken);
  border: 1px solid var(--rule);
}

.canvas__img--missing {
  border-style: dashed;
}

.canvas__label {
  display: block;
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 600;
  margin-top: 0.3rem;
}

.canvas__link:hover .canvas__label {
  text-decoration: underline;
}

/* letters (views/letters.js, the work page) */
.letters {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--sans);
  font-size: 0.85rem;
}

.letters th,
.letters td {
  text-align: left;
  padding: 0.3rem 0.5rem 0.3rem 0;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}

.letters td.num {
  white-space: nowrap;
}

.letters-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
  gap: 0.4rem 0.8rem;
  align-items: end;
}

.letters-form input,
.letters-form select {
  width: 100%;
}

.letters__all summary {
  cursor: pointer;
  font-family: var(--sans);
  font-size: 0.88rem;
  margin: 0.4rem 0;
}

.entry__years {
  font-family: var(--sans);
  font-size: 0.78rem;
  color: var(--muted);
  margin-right: 0.4rem;
}

/* the catalogue's contents on /browse */
.contents__works,
.contents__pieces {
  margin: 0.3rem 0;
}

.contents__pieces {
  font-size: 0.88rem;
}

.katalog__folio {
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: normal;
}

.lookup {
  margin: 0 0 1rem;
}

.lookup h2 {
  font-size: 1rem;
  margin: 0 0 0.4rem;
}

.work-search {
  margin: 0.8rem 0 0;
}

.work-search__row {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.work-search__row input {
  flex: 1 1 14rem;
  min-width: 0;
}

.canvas__twin {
  margin: 0.1rem 0 0;
  font-family: var(--sans);
  font-size: 0.72rem;
  color: var(--muted);
}

.hit__also {
  font-weight: normal;
  color: var(--muted);
}

.canvas__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.25rem 0.4rem;
  margin: 0.1rem 0 0;
  font-family: var(--sans);
  font-size: 0.74rem;
  color: var(--muted);
}

/* --------------------------------------------------------------- page view */

.page-layout {
  display: grid;
  gap: 1.2rem;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

@media (min-width: 60rem) {
  .page-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  }

  .page-viewer {
    position: sticky;
    top: 1rem;
  }
}

.page-header__work {
  font-size: 1rem;
  margin-bottom: 0.2rem;
}

.page-nav {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.7rem;
}

.page-viewer__controls {
  margin-bottom: 0.6rem;
}

#overlay-toggle[aria-pressed='true'] {
  background: var(--link);
  border-color: var(--link);
  color: var(--on-accent);
  font-weight: 600;
}

.osd {
  width: 100%;
  height: clamp(320px, 62vh, 780px);
  background: var(--bg-sunken);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
}

.line-overlay {
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* Hidden with visibility, never display: OpenSeadragon writes an inline
   `display: block` on the overlay element every time it redraws, and an inline
   style beats any class rule, so `display: none` here left the polygons on
   screen. The polygons take pointer events whatever their visibility
   (`pointer-events: all`), so those go too: a click on a hidden line must not
   select it. */
.line-overlay.is-hidden {
  visibility: hidden;
}

.line-overlay.is-hidden .line-overlay__poly {
  pointer-events: none;
}

.line-overlay__poly {
  fill: var(--overlay-fill);
  stroke: var(--overlay-stroke);
  stroke-width: 1.25px;
  vector-effect: non-scaling-stroke;
  pointer-events: all;
  cursor: pointer;
}

.line-overlay__poly:hover {
  fill: var(--overlay-fill-active);
}

.line-overlay__poly.is-active {
  fill: var(--overlay-fill-active);
  stroke: var(--overlay-stroke-active);
  stroke-width: 2.5px;
}

/* The right column: the line list, then the text block under it. */
.page-side {
  display: grid;
  gap: 1.2rem;
  min-width: 0;
}

.page-lines .hint {
  margin-bottom: 0.6rem;
}

.lines {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: none;
}

.line {
  border-top: 1px solid var(--rule);
  padding: 0.45rem 0.2rem 0.55rem;
}

.line.is-active {
  background: var(--bg-sunken);
  box-shadow: inset 3px 0 0 var(--overlay-stroke-active);
}

.line__btn {
  display: flex;
  gap: 0.6rem;
  width: 100%;
  text-align: left;
  background: none;
  border: 0;
  padding: 0.1rem 0.2rem;
  font: inherit;
  color: inherit;
  cursor: pointer;
  border-radius: 2px;
}

.line__btn:hover .line__text {
  text-decoration: underline;
  text-decoration-style: dotted;
}

.line__seq {
  flex: none;
  width: 2rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
  padding-top: 0.25rem;
  text-align: right;
}

/* The line's text sits inside the button that selects the line, and a
   button's text cannot be dragged over in Chromium (W4, measured on the live
   site: a drag selected nothing and counted as a click). `user-select: text`
   on the text alone lets a selection start there; the number, the badges and
   the hidden labels around it are `none`, so a drag across lines takes the
   text and nothing else. page.js leaves a click alone while text is selected. */
.line__text {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--serif);
  font-size: 1.02rem;
  line-height: 1.5;
  overflow-wrap: break-word;
  -webkit-user-select: text;
  user-select: text;
}

.line__seq,
.line__btn .sr-only,
.line__meta,
.prov summary {
  -webkit-user-select: none;
  user-select: none;
}

.line__text--empty {
  color: var(--muted);
  font-style: italic;
}

.line__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.3rem 0.45rem;
  margin: 0.25rem 0 0 2.8rem;
}

.prov {
  margin: 0.3rem 0 0 2.8rem;
  font-family: var(--sans);
  font-size: 0.8rem;
}

.prov summary {
  cursor: pointer;
  color: var(--muted);
  width: fit-content;
}

.prov summary:hover {
  color: var(--fg);
}

.prov .deflist {
  margin: 0.4rem 0 0;
  padding: 0.4rem 0.6rem;
  background: var(--bg-sunken);
  border-radius: var(--radius);
}

.prov__pair {
  display: inline-block;
  margin-right: 0.6rem;
}

/* The text block: the page's lines as one piece of selectable text, with the
   Copy button and the download in a toolbar above and one line of provenance
   above the block itself. */
.page-text__tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.7rem;
  margin: 0.6rem 0;
}

.page-text__status {
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--muted);
}

.page-text__prov {
  font-family: var(--sans);
  font-size: 0.8rem;
  color: var(--muted);
  margin: 0 0 0.5rem;
}

.page-text__block {
  margin: 0;
  padding: 0.8rem 0.95rem;
  background: var(--bg-sunken);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  font-family: var(--serif);
  font-size: 1.02rem;
  line-height: 1.6;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  -webkit-user-select: text;
  user-select: text;
}

/* The piece's text, under its catalogue record on the work page. */
.katalog__text {
  margin: 0.35rem 0 0;
  font-family: var(--sans);
  font-size: 0.9rem;
}

/* -------------------------------------------------------------- about view */

.about {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.about p {
  max-width: 44rem;
}

.about__lang {
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0;
}

.stats {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(8.5rem, 1fr));
  gap: 0.7rem;
}

.stat {
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--bg-sunken);
  padding: 0.6rem 0.75rem;
}

.stat__value {
  display: block;
  font-family: var(--sans);
  font-size: 1.3rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1.15;
}

.stat__label {
  display: block;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}

/* A wide table scrolls inside its own box on a narrow screen (the holdings page). */
.table-scroll {
  overflow-x: auto;
  max-width: 100%;
}

.holdings__table th[scope='row'] {
  overflow-wrap: anywhere;
}

.hist {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  margin-top: 0.8rem;
}

.hist caption {
  text-align: left;
  font-weight: 700;
  padding-bottom: 0.4rem;
}

.hist th,
.hist td {
  text-align: left;
  padding: 0.3rem 0.5rem 0.3rem 0;
  border-bottom: 1px solid var(--rule);
  vertical-align: middle;
}

.hist thead th {
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.hist .num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.bar-cell {
  width: 45%;
  padding-right: 0;
}

.bar {
  display: block;
  height: 0.7rem;
  border-radius: 2px;
  background: var(--band-3);
  border: 1px solid var(--rule-strong);
}

.bar--1 {
  background: var(--band-1);
}

.bar--2 {
  background: var(--band-2);
}

.bar--3 {
  background: var(--band-3);
}

.bar--4 {
  background: var(--band-4);
}

.bar--5 {
  background: var(--band-5);
}

.legend {
  list-style: none;
  margin: 0.6rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.legend__item {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.legend__help {
  color: var(--muted);
  font-size: 0.9rem;
}

.license {
  border-top: 1px solid var(--rule);
  padding-top: 0.7rem;
  margin-top: 0.7rem;
}

.license:first-child {
  border-top: 0;
  padding-top: 0;
  margin-top: 0;
}

.license h3 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ----------------------------------------------------------- small screens */

@media (max-width: 40rem) {
  body {
    font-size: 1rem;
  }

  .site-header__inner {
    align-items: flex-start;
  }

  .panel {
    padding: 0.9rem;
  }

  .deflist dt {
    flex-basis: 100%;
  }

  .line__meta,
  .prov {
    margin-left: 0;
  }

  .osd {
    height: clamp(260px, 52vh, 520px);
  }
}

/* --------------------------------------------------------- reduced motion */

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

/* ------------------------------------------------------------------ no-js */

.no-js #view {
  gap: 1.2rem;
}

/* ---- server-rendered summary (crawlers, no-JS; app.js replaces it) ------ */
.ssr__lines,
.ssr__pages,
.ssr__index {
  padding-left: 1.5rem;
}
.ssr__pages {
  columns: 12rem;
}
.ssr__index {
  columns: 16rem;
}
.ssr__lines li {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9rem;
  line-height: 1.5;
}