/* Research cards inherit the selected Billboard theme. */
.billboard-page .billboard-research-card {
    display: grid;
    grid-template-columns: 2rem minmax(0, 1fr);
    gap: 0.85rem 1rem;
    position: relative;
    isolation: isolate;
    padding: clamp(1.15rem, 3vw, 1.65rem);
    color: var(--billboard-text, #222);
}

.billboard-page .billboard-research-emblem {
    display: grid;
    place-items: center;
    align-self: start;
    width: 2rem;
    height: 2rem;
    margin-top: 0.1rem;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: var(--billboard-accent, currentcolor);
}

.billboard-research-emblem svg {
    width: 1.8rem;
    height: 1.8rem;
}

.billboard-research-copy {
    min-width: 0;
}

.billboard-page .billboard-research-eyebrow {
    margin: 0 0 0.4rem;
    color: var(--billboard-text, #222);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: normal;
    text-transform: none;
    line-height: 1.4;
}

.billboard-page .billboard-research-copy h2 {
    margin: 0 0 0.55rem;
    color: var(--billboard-heading, inherit);
    font-size: clamp(1.4rem, 4vw, 1.85rem);
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.billboard-research-copy > p:last-child {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.55;
}

.billboard-page .billboard-research-card .billboard-research-launch {
    grid-column: 2;
    justify-self: start;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    box-sizing: border-box;
    width: auto;
    max-width: 100%;
    min-height: 44px;
    height: auto;
    margin: 0.15rem 0 0;
    white-space: normal;
    text-align: center;
}

.billboard-research-launch:focus-visible,
.billboard-research-toolbar button:focus-visible {
    outline: 3px solid var(--billboard-heading, currentColor);
    outline-offset: 4px;
}

/* Shared game tile hierarchy; colors and decoration stay with the selected theme. */
body.billboard-page-active .billboard-page .billboard-card.billboard-research-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    justify-items: center;
    gap: 1rem;
    text-align: center;
}

body.billboard-page-active .billboard-page .billboard-card.billboard-research-card .billboard-research-emblem {
    width: 3rem;
    height: 3rem;
    margin: 0;
    padding: 0.6rem;
    box-sizing: border-box;
}

body.billboard-page-active .billboard-page .billboard-research-copy {
    width: 100%;
    max-width: 40rem;
    text-align: center;
}

body.billboard-page-active .billboard-page .billboard-research-copy .billboard-research-eyebrow {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

body.billboard-page-active .billboard-page .billboard-card.billboard-research-card .billboard-research-copy h2 {
    max-width: 26ch;
    margin: 0 auto 0.75rem;
    font-size: clamp(1.35rem, 3.5vw, 2rem);
    line-height: 1.2;
    text-align: center;
    text-wrap: balance;
    overflow-wrap: anywhere;
}

body.billboard-page-active .billboard-page .billboard-card.billboard-research-card .billboard-research-launch {
    grid-column: 1;
    justify-self: center;
    min-width: min(100%, 12rem);
    padding: 0.7rem 1.1rem;
    text-align: center;
}

.billboard-research-dialog {
    box-sizing: border-box;
    width: min(960px, 96vw);
    max-width: 96vw;
    height: 92vh;
    height: 92dvh;
    max-height: 100dvh;
    margin: auto;
    padding: 0;
    overflow: hidden;
    border: 1px solid var(--billboard-border, #777);
    border-radius: 1rem;
    background: var(--billboard-surface, #fff);
    color: var(--billboard-text, #222);
}

.billboard-research-dialog[open] {
    display: flex;
    flex-direction: column;
}
.billboard-research-dialog::backdrop { background: rgb(0 0 0 / 65%); }

.billboard-research-toolbar {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--billboard-border, #777);
}

.billboard-research-toolbar h2 {
    margin: 0;
    font-size: 1.1rem;
}

.billboard-research-toolbar button {
    min-height: 44px;
    padding: 0.5rem 0.9rem;
    border: 1px solid currentcolor;
    border-radius: 0.6rem;
    background: transparent;
    color: inherit;
    font: inherit;
    cursor: pointer;
}

.billboard-research-frame {
    display: block;
    flex: 1 1 0;
    min-height: 0;
    width: 100%;
    border: 0;
}

@media (width <= 640px) {
    .billboard-research-dialog {
        position: fixed;
        inset: 0;
        width: 100%;
        max-width: 100%;
        height: 100vh;
        height: 100dvh;
        margin: 0;
        border: 0;
        border-radius: 0;
    }

    .billboard-research-toolbar {
        padding-top: max(0.6rem, env(safe-area-inset-top));
        padding-right: max(0.75rem, env(safe-area-inset-right));
        padding-left: max(0.75rem, env(safe-area-inset-left));
    }
}

html.billboard-overlay-open {
  overflow: hidden;
}

[data-billboard-scramble][hidden],
[data-billboard-scramble] [hidden],
[data-scramble-leaderboard][hidden],
.billboard-research-dialog [hidden] {
  display: none !important;
}

body.billboard-page-active .billboard-page .billboard-card.billboard-scramble-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  place-items: center center;
  gap: 0.65rem;
  text-align: center;
}

body.billboard-page-active .billboard-page .billboard-card.billboard-scramble-card > * {
  position: relative;
  z-index: 1;
  min-width: 0;
  max-width: 100%;
}

body.billboard-page-active .billboard-page .billboard-card .billboard-games-label {
  margin: 0 0 0.4rem;
  color: var(--billboard-games-label, #94652f);
  font-family: "Hanken Grotesk", sans-serif;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  line-height: 1.5;
  text-align: center;
  text-transform: uppercase;
  overflow-wrap: anywhere;
}

body.billboard-page-active .billboard-page .billboard-card.billboard-scramble-card > h2 {
  margin: 0;
  color: var(--billboard-heading, #172d43);
  font-size: clamp(1.4rem, 4vw, 1.9rem);
  line-height: 1.2;
  text-align: center;
  text-wrap: balance;
  overflow-wrap: anywhere;
}

body.billboard-page-active .billboard-page .billboard-card.billboard-scramble-card > [data-scramble-status] {
  margin: 0;
  color: var(--billboard-text, #172d43);
  font-size: 0.9rem;
  line-height: 1.5;
  text-align: center;
}

body.billboard-page-active .billboard-page .billboard-card.billboard-scramble-card > .billboard-scramble-actions {
  display: flex;
  flex-wrap: wrap;
  grid-column: 1;
  justify-content: center;
  justify-self: stretch;
  gap: 0.6rem;
  width: 100%;
  margin-top: 0.35rem;
}

body.billboard-page-active .billboard-page .billboard-card.billboard-scramble-card > .billboard-scramble-actions > .billboard-button {
  flex: 0 1 auto;
  max-width: 100%;
  white-space: normal;
}

.billboard-scramble-actions,
.billboard-scramble-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.billboard-scramble-actions .billboard-button {
  width: auto;
}

.billboard-scramble-controls {
  flex: 0 0 auto;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--billboard-border, #b7c4cd);
}

.billboard-scramble-panel {
  flex: 1 1 0;
  min-height: 0;
  overflow: auto;
  padding: 1rem;
}

.billboard-scramble-search {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.5rem 0.75rem;
  margin-bottom: 1rem;
}

.billboard-scramble-search label {
  grid-column: 1 / -1;
  font-weight: 700;
}

.billboard-scramble-search input {
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
  min-height: 44px;
  padding: 0.65rem;
  border: 1px solid var(--billboard-border, #8598a7);
  border-radius: 8px;
  background: var(--billboard-surface, #fff);
  color: var(--billboard-text, #172d43);
  font: inherit;
}

.billboard-scramble-controls button,
.billboard-scramble-search button,
.billboard-scramble-game {
  min-height: 44px;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--billboard-border, #8598a7);
  border-radius: 8px;
  background: var(--billboard-surface, #fff);
  color: var(--billboard-text, #172d43);
  font: inherit;
  cursor: pointer;
}

.billboard-scramble-game {
  display: grid;
  gap: 0.4rem;
  width: 100%;
  margin: 0.6rem 0;
  text-align: left;
}

.billboard-scramble-game span,
.billboard-scramble-scores span {
  display: block;
  font-size: 0.9rem;
}

.billboard-scramble-panel h3 {
  margin: 1.25rem 0 0.6rem;
  color: var(--billboard-heading, #172d43);
}

.billboard-page .billboard-card.billboard-leaderboard {
  display: block;
}

.billboard-page .billboard-leaderboard > details {
  position: relative;
  z-index: 1;
  min-width: 0;
  color: var(--billboard-text, #172d43);
}

.billboard-page .billboard-leaderboard summary {
  position: relative;
  display: block;
  min-height: 44px;
  padding: 0.4rem 2.75rem;
  list-style: none;
  text-align: center;
  cursor: pointer;
}

.billboard-page .billboard-leaderboard summary::-webkit-details-marker {
  display: none;
}

.billboard-page .billboard-leaderboard-heading > p {
  margin: 0 0 0.4rem;
}

.billboard-page .billboard-card.billboard-leaderboard summary h2 {
  min-width: 0;
  margin: 0;
  color: var(--billboard-heading, #172d43);
  font-size: clamp(1.4rem, 4vw, 1.9rem);
  line-height: 1.2;
  text-wrap: balance;
  overflow-wrap: anywhere;
}

.billboard-page .billboard-leaderboard summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 0;
  display: grid;
  place-items: center;
  box-sizing: border-box;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--billboard-border, #8598a7);
  border-radius: 50%;
  color: var(--billboard-heading, #172d43);
  font-size: 1.4rem;
  font-weight: 700;
  transform: translateY(-50%);
}

.billboard-page .billboard-leaderboard details[open] > summary::after {
  content: "\2212";
}

.billboard-page .billboard-leaderboard summary:focus-visible {
  outline: 3px solid var(--billboard-link, #0e7490);
  outline-offset: 4px;
}

.billboard-page .billboard-leaderboard details > p {
  margin: 1rem auto;
  color: inherit;
  text-align: center;
  overflow-wrap: anywhere;
}

.billboard-page .billboard-leaderboard-intro {
  max-width: 42ch;
  line-height: 1.5;
}

.billboard-page .billboard-leaderboard [data-board-status] {
  max-width: 100%;
  font-size: 0.8rem;
  line-height: 1.5;
}

.billboard-page .billboard-leaderboard .billboard-scramble-scores {
  margin: 1.25rem 0 0;
  padding: 0.35rem clamp(0.65rem, 2vw, 1.1rem);
  border: 2px solid var(--billboard-border, #8598a7);
  border-radius: 0.5rem;
  background: var(--billboard-surface, #fff);
  list-style: none;
  overflow-wrap: anywhere;
}

.billboard-page .billboard-leaderboard .billboard-scramble-scores li {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(0.5rem, 2vw, 1rem);
  margin: 0;
  padding: 1rem 0;
  border-bottom: 1px solid var(--billboard-border, #dce4e9);
}

.billboard-page .billboard-leaderboard .billboard-scramble-scores li:last-child {
  border-bottom: 0;
}

.billboard-page .billboard-leaderboard .billboard-leaderboard-rank {
  display: grid;
  place-items: center;
  box-sizing: border-box;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--billboard-border, #8598a7);
  border-radius: 50%;
  color: var(--billboard-heading, #172d43);
  font-size: 0.95rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.billboard-page .billboard-leaderboard li[data-rank="1"] .billboard-leaderboard-rank {
  border-width: 2px;
  border-color: var(--billboard-heading, #172d43);
}

.billboard-page .billboard-leaderboard-player {
  min-width: 0;
}

.billboard-page .billboard-leaderboard-player > strong {
  display: block;
  color: var(--billboard-heading, #172d43);
  font-size: 1rem;
  line-height: 1.3;
  overflow-wrap: anywhere;
}

.billboard-page .billboard-leaderboard-player > span {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.75rem;
  line-height: 1.45;
}

.billboard-page .billboard-leaderboard-score {
  display: grid;
  gap: 0.1rem;
  color: var(--billboard-heading, #172d43);
  text-align: right;
}

.billboard-page .billboard-leaderboard-score > strong {
  font-size: clamp(1.15rem, 3vw, 1.5rem);
  font-weight: 850;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}

.billboard-page .billboard-leaderboard-score > small {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.billboard-scramble-controls button:disabled {
  opacity: 0.5;
  cursor: default;
}

.billboard-scramble-panel :is(input, button):focus-visible,
.billboard-scramble-controls button:focus-visible {
  outline: 3px solid var(--billboard-link, #0e7490);
  outline-offset: 3px;
}

@media (width <= 640px) {
  .billboard-page .billboard-scramble-card,
  .billboard-scramble-search {
    grid-template-columns: minmax(0, 1fr);
  }

  .billboard-scramble-actions > button {
    flex: 1 1 100%;
  }

  .billboard-scramble-controls > button {
    flex: 1 1 calc(50% - 0.6rem);
  }
}