@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+KR:wght@400;500;700&family=Gowun+Dodum&display=swap');

:root{
  --bg: #FFFFFF;
  --ink: #161513;
  --ink-soft: #6E6B64;
  --ink-faint: #9B978D;
  --line: #E2E0D9;
  --accent: #7A2320;
  --focus: #161513;
  --card-bg: #FBFAF7;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg: #131211;
    --ink: #EDEAE2;
    --ink-soft: #A6A196;
    --ink-faint: #736F65;
    --line: #322F29;
    --accent: #E39A90;
    --focus: #EDEAE2;
    --card-bg: #1A1917;
  }
}
:root[data-theme="dark"]{
  --bg: #131211;
  --ink: #EDEAE2;
  --ink-soft: #A6A196;
  --ink-faint: #736F65;
  --line: #322F29;
  --accent: #E39A90;
  --focus: #EDEAE2;
  --card-bg: #1A1917;
}

*{ box-sizing: border-box; }
html, body{ margin: 0; padding: 0; }
body{
  background: var(--bg);
  color: var(--ink);
  font-family: 'Gowun Dodum', 'Noto Sans KR', sans-serif;
  line-height: 1.5;
}
a{ color: var(--ink); text-decoration: none; }
a:hover{ color: var(--accent); }
a:focus-visible, button:focus-visible, input:focus-visible{ outline: 2px solid var(--focus); outline-offset: 2px; }

.mono{ font-family: ui-monospace, Menlo, 'SF Mono', monospace; }

.wrap{
  padding: clamp(1.2rem, 4vw, 1.8rem) 0 4rem;
  display: flex;
  flex-direction: column;
  gap: 2.6rem;
}

/* ---- page shell: 왼쪽 사이드바 메뉴 + 오른쪽 본문 ---- */
.site-shell{
  display: flex;
  align-items: flex-start;
  gap: clamp(1.6rem, 4vw, 3rem);
  max-width: 1040px;
  margin: 0 auto;
  padding: clamp(1.4rem, 4vw, 2rem) clamp(1.1rem, 4vw, 1.6rem) 0;
}
.main-col{ flex: 1 1 auto; min-width: 0; }

/* ---- site header (본문 쪽 제목) ---- */
.site-header{ padding-bottom: clamp(1.2rem, 4vw, 1.8rem); }
.site-name{
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  font-weight: 400;
  letter-spacing: -0.01em;
}

/* ---- sidebar menu (왼쪽, 세로) ---- */
.sidebar-nav{
  flex: 0 0 148px;
  position: sticky;
  top: clamp(1.4rem, 4vw, 2rem);
  display: flex;
  flex-direction: column;
  font-family: 'IBM Plex Sans KR', sans-serif;
  font-size: 0.86rem;
  /* 제목 줄 높이 + 제목 아래 여백 + 본문 위쪽 여백만큼 내려서,
     메뉴 첫 줄이 제목이 아니라 본문 첫 줄과 나란히 시작하도록 한다. */
  margin-top: calc(clamp(1.05rem, 2.2vw, 1.25rem) * 1.5 + clamp(1.2rem, 4vw, 1.8rem) * 2);
}
.sidebar-nav a{
  display: block;
  padding: 0.3rem 0;
  color: var(--ink-soft);
  white-space: nowrap;
}
.sidebar-nav a:hover,
.sidebar-nav a.is-current{ color: var(--accent); }

/* "소개"는 눌러야 펼쳐지는 드롭다운 — 지금 보고 있는 섹션이면 처음부터 펼쳐져 있다 */
.nav-group{ margin-top: 0.9rem; }
.nav-group:first-child{ margin-top: 0; }
.nav-group-label,
.nav-sub-label{
  display: block;
  cursor: pointer;
  list-style: none;
  padding: 0.3rem 0;
  white-space: nowrap;
}
.nav-group-label::-webkit-details-marker,
.nav-sub-label::-webkit-details-marker{ display: none; }
.nav-group-label{ font-weight: 700; color: var(--ink); }
.nav-group-label.is-current{ color: var(--accent); }
.nav-sub-label{ font-weight: 500; color: var(--ink-soft); margin-top: 0.2rem; }
.nav-sub-label.is-current{ color: var(--accent); }
.nav-group-label::after,
.nav-sub-label::after{
  content: "▸";
  display: inline-block;
  margin-left: 0.4em;
  font-size: 0.65em;
  color: var(--ink-faint);
  transition: transform 0.15s;
}
.nav-group[open] > .nav-group-label::after,
.nav-subgroup[open] > .nav-sub-label::after{ transform: rotate(90deg); }

.nav-group-body{ display: flex; flex-direction: column; }
.nav-subgroup{ margin-left: 0.8rem; }
.nav-subgroup-body{ display: flex; flex-direction: column; margin-left: 0.8rem; }
.nav-subgroup-body a{ margin-left: 0.5rem; font-size: 0.82rem; }

.nav-top-link{ font-weight: 700; margin-top: 0.9rem; color: var(--ink) !important; }
.nav-top-link:hover,
.nav-top-link.is-current{ color: var(--accent) !important; }

@media (max-width: 700px){
  .site-shell{ flex-direction: column; }
  /* 좁은 화면에서는 2단 배치 대신, 데스크톱과 같은 세로 트리를 그대로 위에 쌓는다
     (가로로 접으면 항목끼리 줄이 엇갈려 보기 어려웠다). */
  .sidebar-nav{
    position: static;
    width: 100%;
    margin-top: 0;
    padding-bottom: 0.6rem;
    margin-bottom: 0.4rem;
    border-bottom: 1px solid var(--line);
  }
  /* 제목 → 메뉴 → 본문 순서가 되도록, main-col의 박스를 없애고(display:contents)
     그 안의 header/main을 site-shell의 flex 아이템으로 끌어올려 순서를 다시 매긴다. */
  .main-col{ display: contents; }
  .site-header{ order: 1; }
  .sidebar-nav{ order: 2; }
  main.wrap{ order: 3; }
}

/* ---- section heading row ---- */
.sec-head{
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.9rem;
}
.sec-head h2{
  margin: 0;
  font-family: 'IBM Plex Sans KR', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
}
.sec-head .prop{
  font-size: 0.72rem;
  color: var(--ink-faint);
  margin-left: 0.5em;
  font-weight: 400;
}
.sec-head .more{
  font-family: 'IBM Plex Sans KR', sans-serif;
  font-size: 0.85rem;
  color: var(--ink-soft);
  white-space: nowrap;
}

/* ---- cards grid (webzine / did) ---- */
.card-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1rem;
}
.zine-card{
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--card-bg);
}
.zine-card .tag{
  font-family: 'IBM Plex Sans KR', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
}
.zine-card .zine-title{
  font-family: 'IBM Plex Sans KR', sans-serif;
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.5;
  word-break: keep-all;
}
.zine-card .zine-desc{
  font-family: 'IBM Plex Sans KR', sans-serif;
  font-size: 0.82rem;
  color: var(--ink-soft);
  line-height: 1.6;
  word-break: keep-all;
}

/* ---- plain list rows (activity) ---- */
.list-plain{ border-top: 1px solid var(--line); }
.list-row{
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.list-row .entry-title{ font-size: 1rem; font-weight: 600; word-break: keep-all; }
.list-row .entry-meta{
  font-family: 'IBM Plex Sans KR', sans-serif;
  font-size: 0.8rem;
  color: var(--ink-soft);
}
.entry-links{ display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 0.1rem; }
.entry-link{
  font-family: 'IBM Plex Sans KR', sans-serif;
  font-size: 0.74rem;
  padding: 0.28rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-soft);
}
.entry-link:hover{ color: var(--accent); border-color: var(--accent); }

/* ---- badge (진행 중 / 준비 중 등) ---- */
.badge{
  font-family: 'IBM Plex Sans KR', sans-serif;
  font-size: 0.66rem;
  font-weight: 700;
  color: #fff;
  background: var(--accent);
  padding: 0.15rem 0.45rem;
  border-radius: 3px;
}

/* ---- subscribe ---- */
.sub-box{
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  padding: 1.4rem;
  background: var(--card-bg);
  border-radius: 6px;
}
.sub-box h2{ margin: 0; font-family: 'IBM Plex Sans KR', sans-serif; font-size: 1rem; font-weight: 700; }
.sub-box p{ margin: 0; font-family: 'IBM Plex Sans KR', sans-serif; font-size: 0.85rem; color: var(--ink-soft); line-height: 1.6; }
.sub-form{ display: flex; gap: 0.6rem; flex-wrap: wrap; align-items: flex-end; }
.sub-form label{ display: flex; flex-direction: column; gap: 0.3rem; font-family: 'IBM Plex Sans KR', sans-serif; font-size: 0.74rem; color: var(--ink-soft); flex: 1 1 220px; }
.sub-form input{ height: 42px; padding: 0 0.8rem; border: 1px solid var(--line); border-radius: 4px; font: inherit; font-size: 0.85rem; background: var(--bg); color: var(--ink); }
.sub-form button{ height: 42px; padding: 0 1.2rem; border: 0; border-radius: 4px; background: var(--ink); color: var(--bg); font-family: 'IBM Plex Sans KR', sans-serif; font-size: 0.85rem; font-weight: 500; cursor: pointer; }
.sub-note{ font-size: 0.72rem; color: var(--ink-faint); }

/* ---- about / people ---- */
.about-box{ padding-top: 1.8rem; border-top: 1px solid var(--ink); display: flex; flex-direction: column; gap: 0.6rem; }
.about-box h2{ margin: 0; font-family: 'IBM Plex Sans KR', sans-serif; font-size: 1rem; font-weight: 700; }
.about-box p{ margin: 0; font-family: 'IBM Plex Sans KR', sans-serif; font-size: 0.85rem; line-height: 1.8; color: var(--ink-soft); }

.people-box h2{ margin: 0 0 0.3rem; font-family: 'IBM Plex Sans KR', sans-serif; font-size: 1rem; font-weight: 700; }
.people-row{ display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; padding: 0.85rem 0; border-bottom: 1px solid var(--line); }
.people-row .mono{ font-size: 0.72rem; color: var(--ink-faint); }

/* ---- footer ---- */
.site-footer{
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
  padding: 0.9rem clamp(1.1rem, 4vw, 1.6rem);
  border-top: 1px solid var(--line);
  font-family: 'IBM Plex Sans KR', sans-serif;
  font-size: 0.74rem;
  color: var(--ink-faint);
  max-width: 1040px;
  margin: 0 auto;
}
.site-footer a{ color: var(--ink-faint); border-bottom: 1px solid var(--line); }
.site-footer a:hover{ color: var(--accent); border-color: var(--accent); }
.site-footer .label{ font-weight: 700; color: var(--ink); }

/* ---- ontology diagram (메인 페이지 전용, 장식용 — 클릭 이동 없음) ---- */
.ont-section{ gap: 0.8rem; display: flex; flex-direction: column; }
.ont-wrap{
  position: relative;
  width: 100%;
  overflow: hidden;
}
.ont-svg{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1000 / 600;
  overflow: visible;
}
.ont-node{
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--bg);
  font-size: 13px;
  line-height: 1.35;
  color: var(--ink);
  word-break: keep-all;
  cursor: grab;
}
.ont-node:active{ cursor: grabbing; }
.ont-node-inner{ display: block; width: 100%; }
.ont-node .ont-prop{ font-size: 11px; color: var(--ink-faint); display: inline-block; margin-top: 2px; }
.ont-node .ont-sub{ font-size: 11px; color: var(--ink-soft); }
.ont-node-dark{ background: var(--ink); color: var(--bg); border-color: var(--ink); font-size: 15px; }
.ont-node-dark .ont-prop{ color: var(--ink-faint); }
.ont-node-accent{ border: 2px solid var(--accent); }

/* ---- theatre cards ---- */
.theatre-card{
  display: flex;
  gap: 1.1rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
  align-items: flex-start;
}
.theatre-card img{
  width: 108px;
  height: 108px;
  object-fit: cover;
  border-radius: 5px;
  background: var(--line);
  flex: none;
}
.theatre-card .t-body{ display: flex; flex-direction: column; gap: 0.35rem; min-width: 0; }
.theatre-card .entry-note{
  font-family: 'IBM Plex Sans KR', sans-serif;
  font-size: 0.78rem;
  color: var(--ink-faint);
}

/* ---- yoga trips ---- */
.trip-block{ margin-bottom: 2rem; padding-bottom: 1.4rem; border-bottom: 1px solid var(--line); }
.trip-block:last-child{ border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.trip-block .entry-title{ margin-bottom: 0.9rem; font-size: 1rem; font-weight: 600; }
.gallery-grid{
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(10.5rem, 1fr));
  gap: clamp(1rem, 3vw, 1.6rem);
}
.gallery-item img{
  width: 100%;
  height: auto;
  display: block;
  border-radius: 5px;
  background: var(--line);
}

/* ---- group label ---- */
.group-label{
  font-family: 'IBM Plex Sans KR', sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--ink-faint);
  text-transform: uppercase;
  margin: 2rem 0 0.6rem;
}
.group-label:first-of-type{ margin-top: 0; }