:root {
  --bg: #f7f7f5;
  --surface: #ffffff;
  --surface-2: #f0f0ec;
  --text: #1b1b1f;
  --muted: #5f6068;
  --line: #e2e2dc;
  --accent: #2f5bd3;
  --accent-ink: #ffffff;
  --accent-soft: #e8eefc;
  --focus: #2f5bd3;
  --code-bg: #f3f3ef;
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 4px 16px rgba(0,0,0,.04);
  --c-maple: #d9682b;
  --c-web: #2f5bd3;
  --c-app: #2d8a5f;
  --c-game: #8b4fc7;
  --c-etc: #6b6d75;
  --radius: 14px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #141416; --surface: #1c1c20; --surface-2: #25252a; --text: #ececef; --muted: #a2a3ad;
    --line: #303036; --accent: #7d9cf5; --accent-ink: #0f1424; --accent-soft: #232b44; --focus: #9db4ff;
    --code-bg: #232328; --shadow: none;
    --c-maple: #f0905a; --c-web: #7d9cf5; --c-app: #5cc492; --c-game: #b98af0; --c-etc: #9a9ca6;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #141416; --surface: #1c1c20; --surface-2: #25252a; --text: #ececef; --muted: #a2a3ad;
  --line: #303036; --accent: #7d9cf5; --accent-ink: #0f1424; --accent-soft: #232b44; --focus: #9db4ff;
  --code-bg: #232328; --shadow: none;
  --c-maple: #f0905a; --c-web: #7d9cf5; --c-app: #5cc492; --c-game: #b98af0; --c-etc: #9a9ca6;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
  font-size: 16px; line-height: 1.6; word-break: keep-all; overflow-wrap: anywhere;
}
a { color: var(--accent); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 6px; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip { position: absolute; left: 16px; top: -60px; background: var(--accent); color: var(--accent-ink); padding: 10px 14px; border-radius: 8px; z-index: 10; text-decoration: none; font-weight: 600; }
.skip:focus { top: 12px; }

/* header */
header.top { padding-top: 40px; padding-bottom: 8px; }
.id { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.id img { width: 64px; height: 64px; border-radius: 50%; border: 1px solid var(--line); background: var(--surface-2); }
.id h1 { margin: 0; font-size: 1.75rem; line-height: 1.2; letter-spacing: -0.02em; }
.id p { margin: 2px 0 0; color: var(--muted); }
.id .grow { flex: 1; min-width: 200px; }
.id-actions { display: flex; gap: 8px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 40px; padding: 8px 14px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--surface); color: var(--text); font: inherit; font-size: .9375rem; font-weight: 600;
  text-decoration: none; cursor: pointer; white-space: nowrap;
}
.btn:hover { border-color: var(--muted); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.08); }
.btn svg { width: 16px; height: 16px; flex: none; }
.btn.icon { width: 40px; padding: 0; }
.btn[hidden] { display: none; }

section { margin-top: 36px; }
h2 { font-size: 1.125rem; margin: 0 0 12px; letter-spacing: -0.01em; }
h2 small { font-weight: 500; color: var(--muted); font-size: .875rem; margin-left: 6px; }

/* project icon: 그림 아이콘과 글자 대체 아이콘이 같은 틀을 쓴다 */
.ico {
  flex: none; display: block; width: var(--ico, 48px); height: var(--ico, 48px);
  border-radius: calc(var(--ico, 48px) * .24); object-fit: cover; background: var(--surface-2);
}
.ico.mono { display: grid; place-items: center; background: var(--cat, var(--accent)); color: #fff; font-weight: 700; font-size: calc(var(--ico, 48px) * .42); }

/* featured banner — 배너는 테마와 상관없이 어두운 게임 화면 위에 얹는다 */
.featured {
  position: relative; overflow: hidden; border-radius: var(--radius); margin-top: 28px;
  background: #0b1020 var(--feat-img) right center / cover no-repeat; color: #eef2fb;
  min-height: 240px; display: flex; align-items: flex-end;
}
.featured::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(8,11,22,.94) 0%, rgba(8,11,22,.8) 42%, rgba(8,11,22,.15) 100%);
}
.feat-inner { position: relative; padding: 28px; max-width: 560px; }
.feat-kicker { font-size: .8125rem; font-weight: 700; color: #5ef2ff; letter-spacing: .04em; }
.featured h2 { margin: 4px 0 6px; font-size: 2rem; letter-spacing: .18em; font-weight: 800; }
.featured p { margin: 0; color: #c9d1e4; }
.feat-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.featured .btn.primary { background: #5ef2ff; border-color: #5ef2ff; color: #071018; }
.featured .feat-ghost { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.28); color: #fff; }
.featured :focus-visible { outline-color: #5ef2ff; }

/* quick access */
.quick { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; }
.tile {
  --ico: 40px;
  display: flex; align-items: center; gap: 12px; padding: 12px 14px; min-height: 64px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px;
  color: var(--text); text-decoration: none; box-shadow: var(--shadow);
}
.tile:hover { border-color: var(--cat, var(--accent)); }
.tile-text { min-width: 0; }
.tile b { display: block; font-size: .9375rem; line-height: 1.3; }
.tile-text span { display: block; font-size: .8125rem; color: var(--muted); line-height: 1.35; }
.tile .kind { margin-left: auto; font-size: .75rem; color: var(--muted); flex: none; }

/* toolbar */
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; }
.search { position: relative; flex: 1 1 260px; }
.search input {
  width: 100%; min-height: 44px; padding: 10px 44px 10px 40px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--surface); color: var(--text); font: inherit;
}
.search svg { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); width: 18px; height: 18px; color: var(--muted); pointer-events: none; }
.search kbd {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  font: 600 .75rem/1 inherit; color: var(--muted); border: 1px solid var(--line); border-radius: 5px; padding: 4px 6px;
}
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  min-height: 40px; padding: 6px 14px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--surface); color: var(--text); font: inherit; font-size: .875rem; font-weight: 600; cursor: pointer;
}
.chip[aria-pressed="true"] { background: var(--text); color: var(--bg); border-color: var(--text); }
.chip .n { font-weight: 500; opacity: .7; margin-left: 4px; }
select.sort {
  min-height: 40px; padding: 6px 10px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--surface); color: var(--text); font: inherit; font-size: .875rem;
}

/* cards */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 14px; margin-top: 14px; }
.card {
  display: flex; flex-direction: column; min-width: 0; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); border-top: 3px solid var(--cat);
  scroll-margin-top: 16px;
}
.card.open { grid-column: 1 / -1; }
.card-head { display: flex; gap: 14px; align-items: flex-start; }
.head-text { min-width: 0; }
.card .cat { font-size: .75rem; font-weight: 700; color: var(--cat); letter-spacing: .02em; }
.card h3 { margin: 2px 0 0; font-size: 1.125rem; line-height: 1.35; letter-spacing: -0.01em; }
.card h3:focus { outline: none; }
.card h3 .beta { display: inline-block; margin-left: 6px; padding: 1px 7px; border-radius: 999px; background: var(--accent-soft); color: var(--accent);
  font-size: .6875rem; font-weight: 700; letter-spacing: .02em; vertical-align: 2px; }
.card .repo { font-size: .8125rem; color: var(--muted); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.card p.desc { margin: 12px 0 0; }
.card > ul { margin: 10px 0 0; padding-left: 18px; color: var(--muted); font-size: .9375rem; }
.card > ul li + li { margin-top: 2px; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.tag { font-size: .75rem; padding: 3px 8px; border-radius: 6px; background: var(--surface-2); color: var(--muted); font-weight: 600; }
.meta { margin-top: 12px; font-size: .8125rem; color: var(--muted); display: flex; flex-wrap: wrap; gap: 4px 12px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; padding-top: 16px; }
.actions .note { font-size: .8125rem; color: var(--muted); align-self: center; }
.empty { padding: 32px 16px; text-align: center; color: var(--muted); border: 1px dashed var(--line); border-radius: var(--radius); }

/* README / 릴리스 노트 펼치기 */
.doc { margin-top: 14px; border-top: 1px solid var(--line); }
.doc-toggle {
  display: flex; align-items: center; gap: 8px; width: 100%; min-height: 44px; margin-top: 4px; padding: 8px 4px;
  background: none; border: 0; border-radius: 8px; color: var(--muted); font: inherit; font-size: .875rem; font-weight: 600; cursor: pointer; text-align: left;
}
.doc-toggle:hover { color: var(--text); }
.doc-toggle svg { width: 16px; height: 16px; flex: none; }
.doc-toggle .chev { margin-left: auto; }
.doc-toggle[aria-expanded="true"] .chev { transform: rotate(180deg); }
.doc-body { padding-top: 4px; }
.doc-status { color: var(--muted); font-size: .9375rem; }
.doc-foot { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; padding-top: 14px; border-top: 1px solid var(--line); }

.markdown { max-width: 820px; font-size: .9375rem; line-height: 1.7; }
.markdown > :first-child, .markdown article > :first-child { margin-top: 0; }
.markdown h1, .markdown h2, .markdown h3, .markdown h4 { line-height: 1.35; margin: 1.6em 0 .5em; letter-spacing: -0.01em; }
.markdown h1 { font-size: 1.375rem; }
.markdown h2 { font-size: 1.1875rem; padding-bottom: .3em; border-bottom: 1px solid var(--line); }
.markdown h3 { font-size: 1.0625rem; }
.markdown h4 { font-size: 1rem; }
.markdown .markdown-heading { scroll-margin-top: 16px; }
.markdown .markdown-heading > * { margin-top: 0; }
.markdown .markdown-heading { margin: 1.6em 0 .5em; }
.markdown p, .markdown ul, .markdown ol, .markdown blockquote, .markdown pre, .markdown .table-scroll { margin: 0 0 1em; }
.markdown ul, .markdown ol { padding-left: 1.5em; }
.markdown li + li { margin-top: .2em; }
.markdown img { max-width: 100%; height: auto; border-radius: 6px; }
.markdown hr { border: 0; border-top: 1px solid var(--line); margin: 1.5em 0; }
.markdown blockquote { margin-left: 0; padding: .2em 1em; border-left: 3px solid var(--line); color: var(--muted); }
.markdown code { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .875em; background: var(--code-bg); padding: .15em .35em; border-radius: 4px; }
.markdown pre { background: var(--code-bg); padding: 12px 14px; border-radius: 8px; overflow-x: auto; line-height: 1.5; }
.markdown pre code { background: none; padding: 0; font-size: .8125rem; }
.markdown .table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; }
.markdown table { border-collapse: collapse; width: 100%; font-size: .875rem; }
.markdown th, .markdown td { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.markdown tr:last-child td { border-bottom: 0; }
.markdown th { background: var(--surface-2); white-space: nowrap; }
.markdown details { margin: 0 0 1em; }
.markdown .octicon { display: none; }

/* 서브페이지 펼쳐 보기 (data-embed 부분) */
.embed { max-width: 820px; }
.embed-hero { display: block; width: 100%; aspect-ratio: 2.2 / 1; object-fit: cover; border-radius: 10px; background: #000; margin-bottom: 18px; }
.embed section + section { margin-top: 24px; }
.embed h2 { font-size: 1.0625rem; margin: 0 0 10px; }
.embed .prose p { margin: 0 0 .8em; font-size: .9375rem; line-height: 1.7; }
.embed .pull { padding-left: 12px; border-left: 3px solid var(--cat, var(--accent)); font-weight: 600; }
.embed .features { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 10px; }
.embed .features li { padding: 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface-2); }
.embed .features h3 { margin: 8px 0 2px; font-size: .9375rem; }
.embed .features p { margin: 0; font-size: .875rem; color: var(--muted); }
.embed .f-ico { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 8px; background: var(--surface); color: var(--cat, var(--accent)); }
.embed .f-ico svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

footer { margin: 48px 0 32px; color: var(--muted); font-size: .8125rem; }

@media (max-width: 520px) {
  header.top { padding-top: 28px; }
  .id h1 { font-size: 1.5rem; }
  .grid { grid-template-columns: 1fr; }
  .quick { grid-template-columns: 1fr 1fr; gap: 8px; }
  .tile { --ico: 32px; padding: 10px; gap: 10px; }
  .tile .kind { display: none; }
  .card { padding: 16px; }
  .card-head { --ico: 44px; }
  .featured { min-height: 0; background-position: 70% center; }
  .featured::before { background: linear-gradient(0deg, rgba(8,11,22,.95) 0%, rgba(8,11,22,.75) 60%, rgba(8,11,22,.35) 100%); }
  .feat-inner { padding: 22px 18px; }
  .featured h2 { font-size: 1.625rem; }
  .search kbd { display: none; }
  .search input { padding-right: 12px; }
}
@media (prefers-reduced-motion: no-preference) {
  .btn, .tile, .chip { transition: border-color .15s, filter .15s, background .15s; }
  .doc-toggle .chev { transition: transform .15s; }
}