:root {
  --paper: #f8f7f3;
  --ink: #29332e;
  --muted: #778078;
  --line: #dcdfd6;
  --accent: #496b53;
  --soft: #edf0e8;
  --warm: #b65a37;
  font-family:
    -apple-system, BlinkMacSystemFont, "PingFang SC", "Noto Sans CJK SC",
    "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
  color-scheme: light;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input {
  font: inherit;
}
button,
a,
label {
  touch-action: manipulation;
}
button {
  cursor: pointer;
}
button:disabled {
  cursor: default;
}
button:active {
  transform: translateY(1px);
}
a:hover {
  color: var(--accent);
}
button:focus-visible,
a:focus-visible,
input:focus-visible,
.playfield:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}
button {
  border: 0;
}
button,
input,
dialog {
  border-radius: 3px;
}
img {
  max-width: 100%;
}
svg {
  display: block;
}
h1,
h2,
h3,
p {
  margin: 0;
}
h1 {
  font-size: clamp(30px, 3.6vw, 46px);
  font-weight: 600;
  letter-spacing: -1.2px;
  line-height: 1.35;
}
h2 {
  font-size: 23px;
  font-weight: 550;
  letter-spacing: -0.5px;
}
h3 {
  font-size: 22px;
  font-weight: 550;
}
p {
  line-height: 1.8;
}
small,
.small {
  font-size: 12px;
}
.muted {
  color: var(--muted);
}
.eyebrow {
  font-size: 11px;
  letter-spacing: 1.7px;
  color: var(--muted);
  font-weight: 500;
}
.site-header,
main,
.site-footer {
  max-width: 1160px;
  margin: auto;
  padding-inline: 42px;
}
.site-header {
  height: 103px;
  display: flex;
  align-items: center;
  gap: 58px;
  border-bottom: 1px solid var(--line);
}
.wordmark {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 31px;
  font-weight: bold;
  letter-spacing: -1.4px;
}
.mark {
  color: var(--warm);
}
.site-header nav {
  display: flex;
  gap: 29px;
  font-size: 14px;
}
.site-header nav a {
  padding-block: 15px;
}
.site-header nav a[aria-current="page"] {
  box-shadow: 0 2px var(--accent);
  color: var(--accent);
}
#search-toggle {
  margin-left: auto;
  font-size: 13px;
  white-space: nowrap;
}
kbd {
  font:
    10px ui-monospace,
    monospace;
  border: 1px solid var(--line);
  padding: 3px 4px;
  margin-left: 10px;
  color: var(--muted);
}
main {
  min-height: 70vh;
  padding-top: 0;
  padding-bottom: 80px;
}
main > section + section {
  margin-top: 64px;
}
.intro {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  align-items: end;
  gap: 100px;
  padding-block: 68px 66px;
}
.intro h1 {
  margin-top: 21px;
  font-size: clamp(34px, 4vw, 49px);
  line-height: 1.5;
  letter-spacing: 1px;
}
.intro-note {
  font-size: 14px;
  color: var(--muted);
  margin-top: 21px;
  line-height: 1.95;
}
.intro-index {
  padding-bottom: 10px;
  font-size: 13px;
}
.intro-index > span {
  display: block;
  color: var(--muted);
  margin-bottom: 18px;
}
.intro-index a {
  display: flex;
  align-items: center;
  gap: 18px;
  border-top: 1px solid var(--line);
  padding: 20px 0;
}
.intro-index b {
  font:
    11px ui-monospace,
    monospace;
  color: var(--muted);
  font-weight: 400;
}
.intro-index small {
  margin-left: auto;
  color: var(--muted);
}
.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--ink);
}
.section-heading > a {
  font-size: 12px;
  color: var(--muted);
}
.post-row {
  display: grid;
  grid-template-columns: 103px 1fr 30px;
  gap: 24px;
  padding: 27px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.post-row time {
  font:
    11px ui-monospace,
    monospace;
  color: var(--muted);
}
.post-link {
  font-size: 19px;
  font-weight: 550;
  line-height: 1.6;
}
.post-row p {
  font-size: 13px;
  color: var(--muted);
  margin-top: 7px;
  max-width: 680px;
}
.row-arrow {
  font-size: 20px;
  color: var(--muted);
}
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 13px;
  margin-top: 12px;
}
.tag {
  display: inline-block;
  font-size: 11px;
  color: var(--muted);
  line-height: 1.6;
}
.filter-tags .tag,
.rank-tabs .tag {
  padding: 7px 13px;
  border: 1px solid var(--line);
}
.tag:hover,
.tag.selected {
  color: var(--accent);
  background: var(--soft);
}
.game-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 36px 30px;
  margin-top: 27px;
}
.game-card:first-child {
  grid-column: 1/-1;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  align-items: center;
  background: var(--soft);
}
.game-cover {
  aspect-ratio: 480/290;
  overflow: hidden;
  background: #eaf0e6;
}
.game-cover iframe,
.game-cover img,
.game-cover > a {
  width: 100%;
  height: 100%;
  display: block;
  border: 0;
  object-fit: cover;
}
.game-cover img {
  transition: transform 0.3s;
}
.game-card:hover .game-cover img {
  transform: scale(1.025);
}
.game-card-info {
  padding: 20px 0;
}
.game-card:first-child .game-card-info {
  padding: 32px;
}
.game-card h3 {
  margin-top: 10px;
}
.game-card h3 span {
  font-size: 19px;
  font-weight: 400;
  padding-left: 8px;
  color: var(--muted);
}
.game-card p {
  font-size: 13px;
  color: var(--muted);
  margin: 9px 0 15px;
}
.home-games {
  padding-top: 10px;
}
.site-footer {
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-block: 25px 36px;
  color: var(--muted);
  font-size: 11px;
}
.page-heading {
  padding: 60px 0 40px;
}
.page-heading h1 {
  margin: 16px 0 17px;
}
.page-heading > p:not(.eyebrow),
.page-heading > div > p:not(.eyebrow) {
  font-size: 14px;
  color: var(--muted);
}
.filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}
.games-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
}
.games-heading > a {
  font-size: 13px;
  padding-bottom: 4px;
}
.collection-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 30px;
}
.collection-row {
  border-top: 1px solid var(--ink);
  padding: 24px 0 32px;
  display: block;
}
.collection-row h3 {
  margin: 13px 0;
}
.collection-row h3 span {
  float: right;
}
.collection-row p {
  font-size: 13px;
  color: var(--muted);
}
.ordered-item {
  display: grid;
  grid-template-columns: 42px 1fr;
  align-items: baseline;
}
.ordered-item > span {
  font:
    14px ui-monospace,
    monospace;
  color: var(--muted);
}
.ordered-item .post-row {
  grid-template-columns: 90px 1fr 24px;
}
.back {
  display: inline-block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 25px;
}
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 760px) 160px;
  gap: 60px;
  padding-top: 42px;
}
.article-header {
  padding: 15px 0 35px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 36px;
}
.article-header h1 {
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1.5;
  margin: 17px 0 21px;
}
.article-meta {
  font-size: 11px;
  color: var(--muted);
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.article-header .tags {
  margin: 0;
}
.prose {
  font-size: 16px;
  line-height: 1.95;
  overflow-wrap: anywhere;
}
.prose h2 {
  margin: 40px 0 18px;
  font-size: 25px;
  scroll-margin-top: 25px;
}
.prose h3 {
  margin: 32px 0 16px;
  font-size: 21px;
  scroll-margin-top: 25px;
}
.prose h6 {
  font-size: 15px;
  margin: 25px 0 10px;
}
.prose p {
  margin: 18px 0;
  line-height: 1.95;
}
.prose ul,
.prose ol {
  padding-left: 25px;
}
.prose li + li {
  margin-top: 6px;
}
.prose blockquote {
  margin: 22px 0;
  border-left: 2px solid #9ba991;
  padding: 1px 20px;
  color: #687265;
  background: var(--soft);
}
.prose a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.prose img {
  display: block;
  height: auto;
  margin: 25px auto;
  max-height: 760px;
  object-fit: contain;
}
.prose code {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.86em;
  background: #eceee7;
  padding: 2px 4px;
  border-radius: 2px;
}
.prose pre {
  overflow: auto;
  background: #f0f1ec;
  border: 1px solid var(--line);
  padding: 18px;
  font-size: 13px;
  line-height: 1.7;
}
.prose pre code.hljs {
  padding: 0;
  background: transparent;
}
.prose table {
  border-collapse: collapse;
  font-size: 13px;
  display: block;
  overflow: auto;
}
.prose th,
.prose td {
  text-align: left;
  border: 1px solid var(--line);
  padding: 8px 12px;
}
.prose th {
  background: var(--soft);
}
.katex-display {
  overflow-x: auto;
  overflow-y: hidden;
  padding: 12px 0;
}
.toc {
  position: sticky;
  top: 30px;
  align-self: start;
  margin-top: 120px;
  font-size: 12px;
}
.toc nav {
  display: grid;
  gap: 12px;
  margin-top: 20px;
  color: var(--muted);
}
.article-end {
  margin-top: 45px;
  padding: 30px 0;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--muted);
}
.series {
  background: var(--soft);
  padding: 22px;
  margin-top: 18px;
  font-size: 13px;
}
.series > div {
  display: flex;
  justify-content: space-between;
  margin-top: 18px;
}
.comments-section {
  margin-top: 50px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.comments-section h2 {
  font-size: 20px;
  margin-bottom: 22px;
}
.comments-section p {
  font-size: 13px;
}
.comments-section a {
  font-size: 12px;
  text-decoration: underline;
}
.quiet {
  padding: 5px 0;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
}
.primary,
.secondary {
  padding: 11px 21px;
  font-size: 13px;
}
.primary {
  background: var(--accent);
  color: #fff;
}
.secondary {
  background: var(--soft);
  border: 1px solid var(--line);
  color: var(--ink);
}
.primary:hover {
  background: #39553f;
}
.secondary:hover {
  background: #e2e7d9;
}
.game-page-heading {
  padding: 35px 0 30px;
}
.game-page-heading h1 {
  font-size: 34px;
  margin-bottom: 10px;
}
.game-page-heading p {
  font-size: 14px;
  color: var(--muted);
}
.game-page-heading .back {
  margin-bottom: 20px;
}
.player-layout {
  display: grid;
  grid-template-columns: minmax(0, 620px) 1fr;
  gap: 48px;
  align-items: start;
}
.game-stage {
  min-height: 400px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #e9ece4;
  padding: 20px;
}
.playfield {
  width: min(100%, 420px);
  position: relative;
  touch-action: none;
  user-select: none;
}
.playfield svg {
  width: 100%;
  height: auto;
}
.game-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #f8f7f3c9;
  gap: 20px;
  padding: 20px;
  text-align: center;
  backdrop-filter: blur(2px);
}
[hidden] {
  display: none !important;
}
.game-overlay p {
  font-size: 19px;
  font-weight: 550;
}
.game-overlay small {
  color: var(--muted);
}
.game-sidebar {
  padding: 10px 0;
}
.game-sidebar h2 {
  font-size: 22px;
  margin: 15px 0 25px;
}
.game-sidebar > p:not(.eyebrow) {
  font-size: 13px;
  color: var(--muted);
  margin: 22px 0;
}
.game-metrics {
  display: flex;
  gap: 45px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 20px 0;
}
.game-metrics dt {
  font-size: 11px;
  color: var(--muted);
}
.game-metrics dd {
  font:
    30px ui-monospace,
    monospace;
  margin: 8px 0 0;
}
.game-sidebar > .secondary {
  width: 100%;
  margin-top: 14px;
}
.save-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 20px;
}
.import-label {
  cursor: pointer;
  position: relative;
  overflow: hidden;
  display: inline-block;
}
.import-label input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
}
.game-sidebar > .save-status,
.game-sidebar > .score-status {
  font-size: 11px !important;
  min-height: 18px;
  margin: 18px 0 5px !important;
}
.game-sidebar > a {
  font-size: 12px;
  display: block;
  margin-top: 20px;
}
.game-sidebar .upload {
  display: block;
}
.gomoku-board {
  width: 100%;
  aspect-ratio: 1;
  display: grid;
  grid-template-columns: repeat(15, 1fr);
  background: #e8ddc7;
  padding: 12px;
  touch-action: manipulation;
}
.intersection {
  padding: 0;
  position: relative;
  border-radius: 0;
  background:
    linear-gradient(#ac9d82, #ac9d82) center/1px 100% no-repeat,
    linear-gradient(#ac9d82, #ac9d82) center/100% 1px no-repeat;
  aspect-ratio: 1;
  min-width: 0;
}
.intersection:after {
  content: "";
  display: block;
  position: absolute;
  inset: 7%;
  border-radius: 50%;
}
.intersection[data-stone="1"]:after {
  background: #353c36;
  box-shadow: 1px 2px 2px #0003;
}
.intersection[data-stone="2"]:after {
  background: #faf7ef;
  border: 1px solid #b7aa93;
  box-shadow: 1px 2px 2px #0002;
}
.intersection:not(:disabled):hover:after {
  background: #353c3640;
}
.board-status {
  font-size: 13px;
  padding-bottom: 15px;
}
.game-actions {
  display: flex;
  gap: 18px;
  align-items: center;
  flex-wrap: wrap;
  font-size: 11px;
  margin-top: 20px;
  color: var(--muted);
  width: 100%;
}
.game-actions .primary {
  padding: 8px 15px;
}
.rank-tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 25px;
}
.auth-area {
  display: flex;
  justify-content: flex-end;
  font-size: 13px;
  gap: 16px;
  margin-bottom: 20px;
}
.rank-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.rank-table th,
.rank-table td {
  text-align: left;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}
.rank-table td:first-child,
.rank-table td:last-child {
  font-family: ui-monospace, monospace;
}
.rank-table th {
  font-size: 11px;
  color: var(--muted);
  font-weight: 400;
}
.rank-table th:last-child,
.rank-table td:last-child {
  text-align: right;
}
.empty {
  padding: 55px 24px;
  border-block: 1px solid var(--line);
  text-align: left;
  width: 100%;
}
.empty h1,
.empty h2 {
  font-size: 24px;
  margin: 12px 0;
}
.empty p {
  color: var(--muted);
  font-size: 13px;
  margin-top: 16px;
}
.empty a,
.empty button {
  display: inline-block;
  margin-top: 22px;
}
.loading {
  padding: 60px 0;
  color: var(--muted);
  font-size: 14px;
}
.error {
  color: #a7422e !important;
}
dialog {
  border: 1px solid var(--line);
  padding: 30px;
  width: min(620px, calc(100% - 32px));
  background: var(--paper);
  color: var(--ink);
  max-height: 80vh;
  box-shadow: 0 18px 80px #28362926;
}
dialog::backdrop {
  background: #29332e60;
}
dialog label {
  display: block;
  font-size: 13px;
  margin: 15px 0;
}
dialog input {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
}
.close {
  float: right;
}
#search-results {
  margin-top: 20px;
  font-size: 13px;
}
.search-result {
  display: block;
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
}
.search-result b {
  font-size: 15px;
  font-weight: 550;
}
.search-result span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
}
.skip {
  position: fixed;
  top: -100px;
  left: 20px;
  background: var(--paper);
  padding: 15px;
  z-index: 5;
}
.skip:focus {
  top: 10px;
}
@media (max-width: 850px) {
  .site-header,
  main,
  .site-footer {
    padding-inline: 25px;
  }
  .site-header {
    gap: 30px;
  }
  .site-header nav {
    gap: 20px;
  }
  .intro {
    gap: 45px;
  }
  .article-layout {
    grid-template-columns: 1fr;
  }
  .toc {
    display: none;
  }
  .player-layout {
    gap: 25px;
    grid-template-columns: minmax(0, 1.7fr) 1fr;
  }
  .game-stage {
    padding: 12px;
  }
  .game-sidebar h2 {
    margin-bottom: 15px;
  }
}
@media (max-width: 600px) {
  .site-header,
  main,
  .site-footer {
    padding-inline: 20px;
  }
  .site-header {
    height: auto;
    min-height: 106px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 13px;
    padding-block: 17px;
  }
  .wordmark {
    font-size: 28px;
  }
  .site-header nav {
    grid-column: 1/-1;
    grid-row: 2;
    justify-content: space-between;
    gap: 12px;
    font-size: 13px;
  }
  .site-header nav a {
    padding: 6px 0;
  }
  #search-toggle {
    grid-column: 2;
    grid-row: 1;
  }
  kbd {
    display: none;
  }
  .intro {
    grid-template-columns: 1fr;
    gap: 30px;
    padding-block: 35px;
  }
  .intro h1 {
    font-size: 34px;
    margin-top: 15px;
  }
  .intro-index {
    display: none;
  }
  .intro-note {
    font-size: 13px;
  }
  .section-heading h2 {
    font-size: 20px;
  }
  .section-heading > a {
    font-size: 11px;
  }
  main > section + section {
    margin-top: 38px;
  }
  .post-row {
    grid-template-columns: 1fr 20px;
    gap: 8px;
    padding-block: 22px;
  }
  .post-row time {
    grid-column: 1/-1;
    font-size: 10px;
  }
  .post-link {
    font-size: 17px;
  }
  .post-row p {
    font-size: 12px;
  }
  .tags {
    gap: 5px 10px;
  }
  .game-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .game-card:first-child {
    display: block;
    background: transparent;
  }
  .game-card:first-child .game-card-info {
    padding: 18px 0;
  }
  .game-card-info {
    padding: 18px 0 0;
  }
  .game-card h3 {
    font-size: 21px;
  }
  .site-footer {
    flex-wrap: wrap;
    font-size: 10px;
    gap: 12px;
  }
  .site-footer > span:nth-child(2) {
    order: 3;
    flex-basis: 100%;
  }
  .site-footer > a {
    margin-left: auto;
  }
  .page-heading {
    padding: 36px 0 25px;
  }
  .page-heading h1 {
    font-size: 32px;
  }
  .page-heading > p:not(.eyebrow) {
    font-size: 13px;
  }
  .games-heading {
    display: block;
  }
  .games-heading > a {
    display: inline-block;
    margin-top: 20px;
  }
  .collection-list {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .ordered-item {
    grid-template-columns: 27px 1fr;
  }
  .ordered-item .post-row {
    grid-template-columns: 1fr 20px;
  }
  .article-layout {
    padding-top: 26px;
  }
  .article-header h1 {
    font-size: 28px;
  }
  .article-meta {
    font-size: 10px;
  }
  .prose {
    font-size: 15px;
  }
  .prose h2 {
    font-size: 23px;
  }
  .prose h3 {
    font-size: 20px;
  }
  .article-end {
    font-size: 11px;
    gap: 15px;
  }
  .player-layout {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .game-stage {
    padding: 12px;
    min-height: 300px;
  }
  .game-sidebar {
    padding: 0;
  }
  .game-metrics {
    gap: 60px;
  }
  .game-sidebar > .secondary {
    width: auto;
  }
  .game-sidebar > p:not(.eyebrow) {
    margin: 14px 0;
  }
  .game-page-heading h1 {
    font-size: 28px;
  }
  .comments-section {
    margin-top: 35px;
  }
  .game-grid {
    margin-top: 15px;
  }
  .rank-tabs {
    gap: 7px;
  }
  .rank-tabs .tag {
    font-size: 11px;
    padding: 7px 10px;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }
}

.account {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 13px;
}
.account-name {
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
}
.account [role="alert"] {
  color: var(--accent);
  max-width: 220px;
}
.page-votes {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 18px 0;
}
.comment-form {
  margin: 24px 0;
}
.comment-form label {
  display: block;
  font-weight: 600;
}
.comment-form small {
  color: var(--muted);
  font-weight: 400;
}
.comment-form textarea {
  width: 100%;
  resize: vertical;
  padding: 14px;
  margin: 10px 0;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--paper);
  color: inherit;
  font: inherit;
}
.comment {
  border-top: 1px solid var(--line);
  padding: 22px 0;
  overflow-wrap: anywhere;
}
.comment header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  font-size: 13px;
}
.comment time {
  color: var(--muted);
}
.comment footer {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.comment .prose {
  font-size: 15px;
}
.comment .prose img {
  max-width: 100%;
}
.comment [aria-pressed="true"],
.page-votes [aria-pressed="true"] {
  color: var(--accent);
  text-decoration: underline;
}
.comment-status {
  font-size: 13px;
}
@media (max-width: 600px) {
  .account {
    margin-left: auto;
  }
  .account-name {
    max-width: 80px;
  }
  .page-votes {
    flex-wrap: wrap;
  }
}

.account-avatar {
  border-radius: 50%;
}

.boxhead-shell {
  width: 100%;
  color: #26332d;
  background: #e8e4d5;
  border: 1px solid #b5b5a5;
}
.bh-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px;
  font-size: 12px;
  flex-wrap: wrap;
}
.bh-summary {
  margin-right: auto;
}
.bh-arena {
  position: relative;
  outline: none;
}
.bh-arena canvas {
  width: 100%;
  height: auto;
  display: block;
  touch-action: none;
}
.bh-menu {
  position: absolute;
  inset: 0;
  background: #ece8d9f5;
  overflow: auto;
  padding: clamp(12px, 3vw, 30px);
  text-align: left;
}
.bh-menu h2 {
  margin: 0 0 8px;
}
.bh-menu p {
  font-size: 13px;
  margin: 8px 0 16px;
}
.bh-menu label {
  display: block;
  margin: 8px 0;
  font-size: 13px;
}
.bh-menu select {
  padding: 5px;
  max-width: 70%;
}
.bh-menu input {
  width: auto;
}
.bh-menu button {
  margin: 8px 8px 0 0;
}
.bh-players {
  display: flex;
  gap: 12px;
  padding: 10px;
}
.bh-player-panel {
  flex: 1;
  min-width: 0;
}
.bh-player-status {
  font-size: 12px;
  min-height: 32px;
}
.bh-weapon-buttons {
  display: flex;
  gap: 4px;
  align-items: center;
}
.bh-weapon-buttons button {
  min-width: 35px;
  min-height: 38px;
  border: 1px solid #b9b7aa;
  background: #f6f1e2;
}
.bh-weapon-buttons select {
  min-width: 0;
  max-width: 140px;
  flex: 1;
  padding: 8px 2px;
  background: #f6f1e2;
}
.bh-help {
  padding: 12px;
  font-size: 12px;
  border-top: 1px solid #b9b7aa;
}
.bh-help summary {
  cursor: pointer;
}
.bh-help p {
  margin: 12px 0;
}
.bh-touch {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-top: 12px;
}
.bh-stick {
  position: relative;
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: #c5c5b8;
  border: 1px solid #9caa9b;
  touch-action: none;
  user-select: none;
  display: grid;
  place-items: center;
}
.bh-stick i {
  position: absolute;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #53675788;
  pointer-events: none;
}
.bh-stick span {
  font-size: 11px;
  color: #26332d;
  z-index: 1;
  pointer-events: none;
}
.boxhead-shell:fullscreen {
  width: 100%;
  height: 100%;
  overflow: auto;
  padding: 0 12px;
}
.boxhead-shell:fullscreen .bh-arena {
  width: min(100%, 102dvh);
  margin: auto;
}
.boxhead-shell:fullscreen canvas {
  height: auto;
}
@media (pointer: fine) {
  .bh-touch {
    display: none;
  }
}
@media (max-width: 600px) {
  .bh-players {
    gap: 8px;
    padding: 8px;
  }
  .bh-stick {
    width: 72px;
    height: 72px;
  }
  .bh-menu {
    position: relative;
  }
  .bh-menu[hidden] {
    display: none;
  }
  .bh-toolbar {
    gap: 6px;
  }
  .bh-weapon-buttons select {
    max-width: 92px;
  }
}