/* ===========================================================
   Turnflow 공지사항 — 공통 스타일
   index.html / disconnect.html 과 같은 톤을 쓰되,
   공지 게시글이 늘어나도 파일이 짧게 유지되도록 분리했어요.
   =========================================================== */

:root{
  --brand:#7C3AED;
  --brand-strong:#6D28D9;
  --brand-2:#EC4899;
  --brand-soft:#F5F1FE;
  --brand-soft-2:#FDF2F8;
  --ink:rgba(0,0,0,0.85);
  --sub:rgba(0,0,0,0.52);
  --line:#eeeef1;
  --line-2:#f4f4f6;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Inter','Pretendard Variable','Pretendard',
              -apple-system,BlinkMacSystemFont,'Malgun Gothic','Apple SD Gothic Neo',sans-serif;
  color:var(--ink);
  background:#fff;
  font-size:17px;
  line-height:27px;
  -webkit-font-smoothing:antialiased;
  letter-spacing:-0.01em;
  /* 다른 문서 페이지와 동일한 배율 */
  zoom:1.1;
}
a{color:var(--brand);text-decoration:none;font-weight:500}
a:hover{text-decoration:underline}
b,strong{font-weight:700;color:var(--ink)}

/* ===== top bar ===== */
header{
  position:sticky;top:0;z-index:50;background:#fff;
  border-bottom:1px solid var(--line);
  height:58px;display:flex;align-items:center;
}
header .inner{max-width:1180px;margin:0 auto;width:100%;padding:0 28px;display:flex;align-items:center;gap:12px}
header .logo-link{display:flex;align-items:center;transition:opacity .15s}
header .logo-link:hover{opacity:.7}
header .logo{height:24px;width:auto;display:block}
header .divider{width:1px;height:18px;background:var(--line)}
header .name{font-weight:600;font-size:15px;color:var(--sub);text-decoration:none;white-space:nowrap;flex:none}
header a.name:hover{color:var(--ink);text-decoration:none}

/* 우측 상단 내비게이션 */
header .topnav{display:flex;align-items:center;gap:2px;margin-left:-6px}
header .topnav a{font-size:14.5px;font-weight:600;color:var(--sub);
  padding:7px 13px;border-radius:9px;text-decoration:none;white-space:nowrap}
header .topnav a:hover{color:var(--ink);background:#f4f4f6;text-decoration:none}
header .topnav a.on{color:var(--brand);background:var(--brand-soft)}

.menu-btn{display:none;margin-left:auto;background:none;border:none;padding:7px;
  color:var(--ink);cursor:pointer;border-radius:8px;line-height:0}
.menu-btn:hover{background:#f2f2f5}
.nav-backdrop{display:none}
.toc-close{display:none}

/* ===== layout ===== */
.wrap{max-width:1180px;margin:0 auto;display:flex;gap:0;padding:0 28px}
.toc{
  width:236px;flex:none;position:sticky;top:58px;align-self:flex-start;
  height:calc(100vh - 58px);overflow-y:auto;padding:36px 20px 40px 0;
}
.toc .guide-title{display:block;font-size:15px;font-weight:700;color:var(--ink);
  padding:9px 0 7px;text-decoration:none;letter-spacing:-0.01em}
.toc .guide-title:hover{color:var(--brand);text-decoration:none}
.toc .guide-title.current{color:var(--brand)}
.toc .guide-sub{border-left:2px solid var(--line);margin:2px 0 16px;padding-left:0}
.toc .guide-sub a{display:block;color:rgba(0,0,0,0.6);font-size:14px;font-weight:500;
  padding:6px 0 6px 14px;line-height:1.4;text-decoration:none}
.toc .guide-sub a:hover{color:var(--brand);text-decoration:none}
.toc .guide-sub a.on{color:var(--brand);font-weight:700}
.toc .guide-sub .sublbl{display:block;font-size:11.5px;font-weight:700;color:var(--sub);
  letter-spacing:.03em;text-transform:uppercase;padding:14px 0 4px 14px}

main{flex:1;min-width:0;padding:44px 0 120px 48px;border-left:1px solid var(--line-2)}
.doc{max-width:700px}
section{scroll-margin-top:84px}

/* ===== typography ===== */
h1{font-size:40px;line-height:1.3;font-weight:700;margin:0 0 8px;letter-spacing:-0.02em}
.breadcrumb{font-size:13px;color:var(--sub);margin-bottom:14px;font-weight:500}
.breadcrumb a{color:var(--sub)}
.updated{font-size:13px;color:var(--sub);margin:0 0 24px;padding-bottom:22px;border-bottom:1px solid var(--line)}
h2{font-size:24px;line-height:34px;font-weight:700;margin:52px 0 6px;letter-spacing:-0.02em}
h3{font-size:20px;line-height:30px;font-weight:700;margin:40px 0 6px}
p{margin:16px 0}
ul,ol{margin:18px 0;padding-left:22px}
li{margin:9px 0}

figure{margin:36px 0 44px}
figure img{width:100%;display:block;border-radius:8px;border:1px solid var(--line)}
figcaption{font-size:14px;color:var(--sub);margin-top:14px;line-height:1.6}

.note{
  background:var(--brand-soft);border-radius:12px;padding:18px 20px;margin:32px 0;
  font-size:15.5px;line-height:25px;
}
.note.pink{background:var(--brand-soft-2)}
.note.gray{background:#f7f7f8}
.note .h{font-weight:700;display:block;margin-bottom:4px}
.note ul,.note ol{margin:8px 0 0;padding-left:20px}
.note li{margin:6px 0}

/* 그대로 복사해서 쓰는 예시 문구 */
.sample{
  background:#fafafb;border-left:3px solid var(--brand);border-radius:0 8px 8px 0;
  padding:15px 18px;margin:18px 0;font-size:15.5px;line-height:26px;
  color:rgba(0,0,0,0.72);
}
.sample .lbl{display:block;font-size:12px;font-weight:700;color:var(--sub);
  letter-spacing:.02em;margin-bottom:6px}

table{width:100%;border-collapse:collapse;margin:18px 0;font-size:15px}
th,td{border:1px solid var(--line);padding:11px 14px;text-align:left;line-height:1.5}
th{background:#fafafb;font-weight:700}
hr{border:none;border-top:1px solid var(--line);margin:0}

footer{max-width:700px;margin-top:44px;color:var(--sub);font-size:13px;line-height:1.6}

/* ===== 배지 (공지 카테고리) ===== */
.badge{
  display:inline-block;font-size:11.5px;font-weight:700;line-height:1.7;
  padding:2px 10px;border-radius:999px;letter-spacing:-0.01em;
}
.badge.notice{background:var(--brand-soft);color:var(--brand-strong)}
.badge.update{background:#E7F6EE;color:#137C48}
.badge.maint{background:#FFF3E3;color:#B45309}
.badge.event{background:var(--brand-soft-2);color:#BE185D}

/* ===== 카테고리 필터 칩 (목록 페이지) ===== */
.filters{display:flex;gap:8px;flex-wrap:wrap;margin:0}
.filters button{
  border:1px solid var(--line);background:#fff;color:var(--sub);
  font-size:13.5px;font-weight:600;padding:7px 15px;border-radius:999px;cursor:pointer;
  font-family:inherit;letter-spacing:-0.01em;transition:all .15s;
}
.filters button:hover{border-color:#dcdce2;color:var(--ink)}
.filters button.on{background:var(--brand);border-color:var(--brand);color:#fff}

/* ===== 공지 목록 ===== */
.notice-list{margin:22px 0 0;border-top:1px solid var(--line)}
.notice-item{
  display:flex;gap:22px;align-items:flex-start;
  padding:24px 4px;border-bottom:1px solid var(--line);
  text-decoration:none;color:inherit;
}
.notice-item:hover{text-decoration:none}
.notice-thumb{
  /* 16:9 박스 + contain — 배너 썸네일이 잘리지 않게 전체를 보여줘요 */
  width:210px;aspect-ratio:16/9;flex:none;border-radius:10px;overflow:hidden;
  border:1px solid var(--line);background:#fff;
}
.notice-thumb img{width:100%;height:100%;object-fit:contain;display:block;transition:transform .35s ease}
.notice-item:hover .notice-thumb img{transform:scale(1.05)}
.notice-body{flex:1;min-width:0}
.notice-meta{display:flex;align-items:center;gap:9px;margin:2px 0 8px;flex-wrap:wrap}
.notice-date{font-size:13px;color:var(--sub);font-weight:500}
.notice-pin{font-size:12px;color:var(--brand);font-weight:700}
.notice-item h2{
  font-size:19px;line-height:1.45;font-weight:700;margin:0 0 6px;
  letter-spacing:-0.02em;color:var(--ink);
}
.notice-item:hover h2{color:var(--brand)}
.notice-excerpt{
  margin:0;font-size:15px;line-height:24px;color:var(--sub);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.empty{padding:48px 0;text-align:center;color:var(--sub);font-size:15px;display:none}

/* ===== 게시글 상세 ===== */
.post-meta{display:flex;align-items:center;gap:10px;margin:0 0 12px;flex-wrap:wrap}
.post-title{font-size:32px;line-height:1.35;margin:0 0 10px}
.post-sub{font-size:16px;line-height:26px;color:var(--sub);margin:0 0 26px;
  padding-bottom:24px;border-bottom:1px solid var(--line)}
.hero{margin:0 0 8px}
.hero img{width:100%;display:block;border-radius:12px;border:1px solid var(--line)}

/* 이전·다음 글 */
.post-nav{margin-top:56px;border-top:1px solid var(--line)}
.post-nav a{display:flex;align-items:center;gap:12px;padding:18px 4px;
  border-bottom:1px solid var(--line);text-decoration:none;color:inherit;font-size:15px}
.post-nav a:hover{text-decoration:none}
.post-nav a:hover .t{color:var(--brand)}
.post-nav .dir{font-size:12.5px;font-weight:700;color:var(--sub);flex:none;width:52px}
.post-nav .t{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.back-list{display:inline-flex;align-items:center;gap:6px;margin-top:28px;
  font-size:14.5px;font-weight:600}

.helpful{margin-top:56px;padding:26px;border:1px solid var(--line);border-radius:14px;text-align:center}
.helpful p{margin:0 0 14px;font-weight:700;font-size:16px}
.helpful .btns{display:flex;gap:10px;justify-content:center}
.helpful button{border:1px solid var(--line);background:#fff;padding:9px 22px;border-radius:10px;
  font-weight:600;font-size:14px;cursor:pointer;color:var(--ink)}
.helpful button:hover{border-color:var(--brand);color:var(--brand)}

/* ===== 모바일 ===== */
@media(max-width:900px){
  .menu-btn{display:inline-flex;align-items:center;justify-content:center;margin-left:auto}
  header .topnav a{padding:7px 10px}
  main{padding:28px 0 80px;border-left:none}
  .wrap{padding:0 20px}
  h1{font-size:30px}
  .post-title{font-size:26px}
  /* 사이드바 → 좌측 슬라이드 드로어 */
  .toc{
    display:block;position:fixed;top:58px;left:0;
    width:284px;max-width:82vw;height:calc(100vh - 58px);
    background:#fff;border-right:1px solid var(--line);
    padding:18px 20px 40px;overflow-y:auto;
    transform:translateX(-102%);transition:transform .25s ease;
    z-index:60;box-shadow:0 14px 44px rgba(0,0,0,.16);
  }
  body.nav-open .toc{transform:translateX(0)}
  .nav-backdrop{display:block;position:fixed;inset:58px 0 0 0;
    background:rgba(0,0,0,.38);opacity:0;visibility:hidden;
    transition:opacity .25s;z-index:55}
  body.nav-open .nav-backdrop{opacity:1;visibility:visible}
  body.nav-open{overflow:hidden}
  .toc-close{display:flex;align-items:center;justify-content:center;
    margin:0 -4px 6px auto;width:34px;height:34px;border:none;background:none;
    color:var(--sub);font-size:19px;cursor:pointer;border-radius:8px}
  .toc-close:hover{background:#f2f2f5}
}
@media(max-width:640px){
  .notice-item{flex-direction:column;gap:13px;padding:22px 0}
  .notice-thumb{width:100%}
}