/* Isolated layout for the table-first board-game catalog. */
.prototype-page .prototype-container {
  width: min(100% - (2 * var(--gutter)), 100rem);
}

.prototype-page .ledger-intro {
  padding-block: clamp(1.5rem, 3vw, 2.25rem) var(--space-3);
}

.prototype-page .ledger-title-row {
  display: flex;
  gap: var(--space-8);
  align-items: flex-end;
  justify-content: space-between;
}

.prototype-page .ledger-title-row h1 {
  max-width: none;
  margin: var(--space-2) 0 0;
  font-size: clamp(1.8rem, 3vw, 2.55rem);
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.prototype-page .ledger-deck {
  max-width: 90ch;
  margin: var(--space-3) 0 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.55;
}

.prototype-page .prototype-toolbar {
  position: static;
  grid-template-columns: minmax(18rem, 1fr) minmax(0, 1.7fr) auto;
  margin-top: var(--space-4);
  padding: var(--space-3);
  box-shadow: none;
}

.prototype-page .prototype-toolbar .catalog-search input {
  min-height: 2.55rem;
  font-size: 0.84rem;
}

.prototype-page .prototype-toolbar .catalog-filters button {
  min-height: 2.25rem;
  padding: 0.38rem 0.62rem;
  font-size: 0.64rem;
}

.prototype-page .prototype-toolbar .catalog-count strong {
  color: var(--text);
  font-size: 0.86rem;
}

.prototype-page .ledger-navigation {
  display: flex;
  gap: var(--space-4);
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-3);
}

.prototype-page .group-jumps,
.prototype-page .group-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.prototype-page .group-jumps a {
  min-height: 2.25rem;
  display: inline-flex;
  gap: 0.45rem;
  align-items: center;
  padding: 0.36rem 0.58rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-xs);
  font-size: 0.7rem;
  line-height: 1;
  text-decoration: none;
}

.prototype-page .group-jumps a:hover {
  border-color: var(--brand-strong);
}

.prototype-page .group-jumps a > span {
  color: var(--brand-strong);
  font: 800 0.58rem/1 var(--font-mono);
}

.prototype-page .group-jumps a > small {
  color: var(--muted);
  font: 650 0.58rem/1 var(--font-mono);
}

.prototype-page .group-actions button {
  min-height: 2.25rem;
  padding: 0.38rem 0.58rem;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius-xs);
  font: 700 0.62rem/1.2 var(--font-mono);
  cursor: pointer;
}

.prototype-page .group-actions button:hover {
  color: var(--text);
  background: var(--surface);
  border-color: var(--line-strong);
}

html:not(.js-enabled) .prototype-page .group-actions,
html:not(.js-enabled) .prototype-page .ledger-top-scroll {
  display: none;
}

.prototype-page .ledger-mobile-note {
  margin: var(--space-3) 0 var(--space-2);
  color: var(--muted);
  font-size: 0.74rem;
  line-height: 1.4;
}

.prototype-page .ledger-shell {
  margin-bottom: clamp(3rem, 7vw, 6rem);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  box-shadow: 0 1rem 3rem color-mix(in srgb, var(--text) 8%, transparent);
}

.prototype-page .ledger-top-scroll {
  height: 0.9rem;
  overflow-x: auto;
  overflow-y: hidden;
  background: color-mix(in srgb, var(--brand) 5%, var(--surface));
  border-bottom: 1px solid var(--line);
  scrollbar-color: var(--brand-strong) color-mix(in srgb, var(--brand) 8%, var(--surface));
  scrollbar-width: thin;
}

.prototype-page .ledger-top-scroll > div {
  height: 1px;
}

.prototype-page .ledger-viewport {
  width: 100%;
  height: clamp(25rem, 72dvh, 50rem);
  overflow: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
  scrollbar-color: var(--brand-strong) color-mix(in srgb, var(--brand) 8%, var(--surface));
}

.prototype-page .ledger-viewport:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: -3px;
}

.prototype-page .ledger-table {
  width: 100%;
  min-width: 80rem;
  table-layout: fixed;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.8rem;
  line-height: 1.42;
}

.prototype-page .ledger-table .col-game {
  width: 15rem;
}

.prototype-page .ledger-table .col-release {
  width: 13rem;
}

.prototype-page .ledger-table .col-source {
  width: 13rem;
}

.prototype-page .ledger-table .col-data {
  width: 14rem;
}

.prototype-page .ledger-table .col-conclusion {
  width: 25rem;
}

.prototype-page .ledger-table th,
.prototype-page .ledger-table td {
  padding: 0.68rem 0.72rem;
  vertical-align: top;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.prototype-page .ledger-table tr > :last-child {
  border-right: 0;
}

.prototype-page .ledger-table thead th {
  position: sticky;
  top: 0;
  z-index: 6;
  min-height: 3rem;
  padding-block: 0.72rem;
  color: var(--brand-strong);
  background: color-mix(in srgb, var(--brand) 7%, var(--surface));
  border-bottom: 1px solid var(--line-strong);
  font: 800 0.68rem/1.3 var(--font-mono);
  letter-spacing: 0.035em;
  text-align: left;
  text-transform: uppercase;
}

.prototype-page .ledger-table thead th:first-child {
  left: 0;
  z-index: 8;
  border-right-color: var(--line-strong);
}

.prototype-page .ledger-table tr[data-catalog-item] > th[scope="row"] {
  position: sticky;
  left: 0;
  z-index: 4;
  background: var(--surface);
  border-right-color: var(--line-strong);
}

.prototype-page .ledger-table tr[data-catalog-item]:nth-of-type(even) > td,
.prototype-page .ledger-table tr[data-catalog-item]:nth-of-type(even) > th[scope="row"] {
  background: color-mix(in srgb, var(--brand) 2.5%, var(--surface));
}

.prototype-page .ledger-table tr[data-catalog-item]:hover > td,
.prototype-page .ledger-table tr[data-catalog-item]:hover > th[scope="row"] {
  background: color-mix(in srgb, var(--brand) 7%, var(--surface));
}

.prototype-page .game-cell {
  display: grid;
  grid-template-columns: 1.8rem minmax(0, 1fr);
  gap: 0.52rem;
  align-items: start;
}

.prototype-page .entry-number {
  display: inline-grid;
  place-items: center;
  min-height: 1.55rem;
  color: var(--muted);
  background: color-mix(in srgb, var(--brand) 7%, transparent);
  border: 1px solid var(--line);
  border-radius: 999px;
  font: 700 0.56rem/1 var(--font-mono);
}

.prototype-page .game-copy {
  min-width: 0;
  display: grid;
  justify-items: start;
  gap: 0.52rem;
}

.prototype-page .game-title {
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 800;
  line-height: 1.32;
  overflow-wrap: anywhere;
}

.prototype-page .ledger-resources {
  display: flex;
  flex-wrap: wrap;
  gap: 0.38rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.prototype-page .ledger-resources li {
  max-width: 100%;
  margin: 0;
  padding: 0;
}

.prototype-page .resource-link {
  max-width: 100%;
  display: inline-flex;
  gap: 0.35rem;
  align-items: center;
  padding: 0.27rem 0.4rem;
  border: 1px solid currentColor;
  border-radius: var(--radius-xs);
  font: 700 0.62rem/1.3 var(--font-mono);
  text-decoration: none;
}

.prototype-page .resource-link > span:first-child {
  min-width: 0;
  overflow-wrap: anywhere;
}

.prototype-page .resource-link > span:last-child {
  flex: 0 0 auto;
  opacity: 0.72;
}

.prototype-page .resource-release {
  color: var(--brand-strong);
  background: color-mix(in srgb, var(--brand) 7%, transparent);
}

.prototype-page .resource-release.is-primary {
  color: var(--on-brand);
  background: var(--brand-strong);
  border-color: var(--brand-strong);
}

.prototype-page .resource-source {
  color: var(--resource-source);
  background: color-mix(in srgb, var(--resource-source) 7%, transparent);
}

.prototype-page .resource-dataset {
  color: var(--resource-dataset);
  background: color-mix(in srgb, var(--resource-dataset) 7%, transparent);
}

.prototype-page .resource-link:hover {
  color: var(--on-brand);
  background: var(--brand-strong);
  border-color: var(--brand-strong);
}

.prototype-page .resource-empty {
  color: var(--muted);
  font: 650 0.7rem/1 var(--font-mono);
  opacity: 0.62;
}

.prototype-page .conclusion-line {
  max-width: 52ch;
  margin: 0;
  color: var(--text);
  font-size: 0.8rem;
  line-height: 1.48;
}

.prototype-page .conclusion-line.is-empty {
  color: var(--muted);
  font: 650 0.76rem/1.48 var(--font-mono);
  opacity: 0.68;
}

.prototype-page .ledger-action {
  display: none;
}

.js-enabled .prototype-page .ledger-action {
  width: fit-content;
  min-height: 1.8rem;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.42rem;
  color: var(--resource-note);
  background: color-mix(in srgb, var(--resource-note) 6%, transparent);
  border: 1px solid currentColor;
  border-radius: var(--radius-xs);
  font: 750 0.6rem/1.2 var(--font-mono);
  cursor: pointer;
}

.prototype-page .detail-action {
  margin-top: 0.52rem;
}

.prototype-page .ledger-action:hover {
  color: var(--on-brand);
  background: var(--brand-strong);
  border-color: var(--brand-strong);
}

.prototype-page .ledger-action:focus-visible,
.prototype-page .ledger-group-toggle:focus-visible,
.prototype-page .group-actions button:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.prototype-page .ledger-group-row > th {
  padding: 0;
  color: var(--code-text);
  background: var(--code-bg);
  border-right: 0;
  border-bottom-color: color-mix(in srgb, var(--code-text) 18%, transparent);
}

.prototype-page .ledger-group-toggle {
  position: sticky;
  left: 0;
  width: min(100%, calc(100vw - (2 * var(--gutter)) - 2px));
  min-height: 3.35rem;
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr) auto auto;
  gap: var(--space-3);
  align-items: center;
  padding: 0.62rem 0.78rem;
  color: var(--code-text);
  background: transparent;
  border: 0;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.prototype-page .group-index {
  display: grid;
  place-items: center;
  width: 1.85rem;
  height: 1.85rem;
  color: var(--code-bg);
  background: var(--brand);
  border-radius: 50%;
  font: 800 0.58rem/1 var(--font-mono);
}

.prototype-page .group-title {
  font-size: 0.9rem;
  font-weight: 800;
  line-height: 1.25;
}

.prototype-page .group-count {
  color: color-mix(in srgb, var(--code-text) 68%, transparent);
  font: 700 0.6rem/1 var(--font-mono);
}

.prototype-page .group-state {
  display: inline-flex;
  gap: 0.55rem;
  align-items: center;
  justify-content: flex-end;
  color: color-mix(in srgb, var(--code-text) 80%, transparent);
  font: 700 0.6rem/1 var(--font-mono);
}

.prototype-page .group-chevron {
  width: 0.58rem;
  height: 0.58rem;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-0.12rem);
  transition: transform var(--duration-fast) ease;
}

.prototype-page .ledger-group.is-collapsed .group-chevron {
  transform: rotate(-45deg) translate(-0.05rem, -0.05rem);
}

.prototype-page .ledger-group.is-collapsed > tr[data-catalog-item] {
  display: none;
}

.prototype-page .catalog-empty {
  margin-block: var(--space-3);
}

/* One shared modal is populated from bilingual templates. */
.prototype-page .ledger-dialog {
  width: min(56rem, calc(100vw - 2rem));
  max-width: none;
  max-height: calc(100dvh - 2rem);
  padding: 0;
  overflow: hidden;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  box-shadow: 0 1.5rem 4rem rgba(0, 0, 0, 0.32);
}

.prototype-page .ledger-dialog::backdrop {
  background: var(--dialog-backdrop);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}

.prototype-page .ledger-dialog-card {
  max-height: calc(100dvh - 2rem);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
}

.prototype-page .ledger-dialog-head {
  display: flex;
  gap: var(--space-4);
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  background: color-mix(in srgb, var(--brand) 5%, var(--surface));
  border-bottom: 1px solid var(--line);
}

.prototype-page .ledger-dialog-head h2 {
  margin: 0.15rem 0 0;
  font-size: clamp(1.25rem, 2.5vw, 1.7rem);
  line-height: 1.2;
}

.prototype-page .dialog-kicker {
  margin: 0;
  color: var(--brand-strong);
  font: 800 0.6rem/1 var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.prototype-page .ledger-dialog-head form {
  margin: 0;
}

.prototype-page .ledger-dialog-close {
  width: 2.3rem;
  height: 2.3rem;
  display: grid;
  place-items: center;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 50%;
  font: 500 1.15rem/1 var(--font-sans);
  cursor: pointer;
}

.prototype-page .ledger-dialog-close:hover {
  color: var(--on-brand);
  background: var(--brand-strong);
  border-color: var(--brand-strong);
}

.prototype-page .ledger-dialog-body {
  overflow: auto;
  padding: var(--space-6);
  font-size: 0.92rem;
  line-height: 1.62;
}

.prototype-page .ledger-dialog-body p {
  max-width: 78ch;
  margin: 0 0 var(--space-4);
}

.prototype-page .detail-primary-link {
  min-width: 0;
  color: var(--brand-strong);
  font-size: 0.78rem;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.prototype-page .detail-post {
  max-width: 48rem;
  margin-inline: auto;
}

.prototype-page .detail-post p {
  max-width: 68ch;
}

.prototype-page .detail-lede {
  color: var(--text);
  font-size: clamp(1.02rem, 1.5vw, 1.13rem);
  font-weight: 720;
  line-height: 1.58;
}

.prototype-page .detail-post figure {
  margin: var(--space-6) 0 var(--space-8);
  padding: var(--space-3);
  background: color-mix(in srgb, var(--bg) 88%, var(--surface));
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.prototype-page .detail-post img {
  width: 100%;
  height: auto;
  max-height: min(36rem, 62dvh);
  display: block;
  object-fit: contain;
  background: #ffffff;
  border-radius: var(--radius-xs);
}

.prototype-page .detail-post figcaption {
  margin-top: var(--space-2);
  color: var(--muted);
  font-size: 0.74rem;
  line-height: 1.48;
}

.prototype-page .detail-caveat {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.55;
}

@media (max-width: 72rem) {
  .prototype-page .prototype-toolbar {
    grid-template-columns: minmax(17rem, 1fr) minmax(0, 1.4fr);
  }

  .prototype-page .prototype-toolbar .catalog-count {
    grid-column: 1 / -1;
    text-align: left;
  }
}

@media (max-width: 52rem) {
  .prototype-page .ledger-title-row,
  .prototype-page .ledger-navigation {
    align-items: flex-start;
    flex-direction: column;
  }

  .prototype-page .prototype-toolbar {
    grid-template-columns: 1fr;
  }

  .prototype-page .prototype-toolbar .catalog-count {
    grid-column: auto;
  }

  .prototype-page .ledger-table {
    min-width: 74rem;
  }

  .prototype-page .group-count {
    display: none;
  }

  .prototype-page .ledger-group-toggle {
    grid-template-columns: 2rem minmax(0, 1fr) auto;
  }

}

@media (max-width: 36rem) {
  .prototype-page .header-actions .content-github {
    display: none;
  }

  .prototype-page .breadcrumb {
    padding-top: var(--space-4);
  }

  .prototype-page .ledger-intro {
    padding-top: var(--space-6);
  }

  .prototype-page .ledger-deck {
    display: none;
  }

  .prototype-page .prototype-toolbar {
    gap: var(--space-2);
    margin-top: var(--space-3);
    padding: var(--space-2);
  }

  .prototype-page .prototype-toolbar .catalog-filters {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 0.15rem;
    scrollbar-width: thin;
  }

  .prototype-page .prototype-toolbar .catalog-count {
    min-width: 0;
    margin-top: 0.1rem;
  }

  .prototype-page .group-jumps {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

  .prototype-page .group-jumps a {
    min-width: 0;
  }

  .prototype-page .group-actions {
    width: 100%;
  }

  .prototype-page .group-actions button {
    flex: 1 1 10rem;
  }

  .prototype-page .ledger-mobile-note {
    display: block;
    margin-top: var(--space-2);
  }

  .prototype-page .ledger-viewport {
    height: clamp(24rem, 68dvh, 42rem);
  }

  .prototype-page .ledger-table {
    min-width: 70rem;
  }

  .prototype-page .ledger-table .col-game {
    width: 14rem;
  }

  .prototype-page .ledger-table th,
  .prototype-page .ledger-table td {
    padding: 0.62rem;
  }

  .prototype-page .ledger-group-toggle {
    min-height: 3.2rem;
    padding-inline: 0.62rem;
  }

  .prototype-page .ledger-dialog {
    width: calc(100vw - 1rem);
    max-height: calc(100dvh - 1rem);
  }

  .prototype-page .ledger-dialog-card {
    max-height: calc(100dvh - 1rem);
  }

  .prototype-page .ledger-dialog-head,
  .prototype-page .ledger-dialog-body {
    padding: var(--space-4);
  }

  .prototype-page .detail-post figure {
    margin-block: var(--space-4) var(--space-6);
    padding: var(--space-2);
  }
}

@media print {
  .prototype-page .prototype-toolbar,
  .prototype-page .ledger-navigation,
  .prototype-page .ledger-top-scroll,
  .prototype-page .ledger-action,
  .prototype-page .ledger-mobile-note {
    display: none !important;
  }

  .prototype-page .ledger-shell,
  .prototype-page .ledger-viewport {
    height: auto;
    overflow: visible;
    border: 0;
    box-shadow: none;
  }

  .prototype-page .ledger-table {
    min-width: 0;
    font-size: 7pt;
  }

  .prototype-page .ledger-table thead th,
  .prototype-page .ledger-table tr[data-catalog-item] > th[scope="row"],
  .prototype-page .ledger-group-toggle {
    position: static;
  }

  .prototype-page .ledger-group.is-collapsed > tr[data-catalog-item] {
    display: table-row !important;
  }
}