:root {
  --bg: #0e1626;
  --panel: #131c2e;
  --panel-2: #1a2438;
  --border: #26314a;
  --text: #e6ebf4;
  --muted: #8a94a8;
  --accent: #3b82f6;
  --accent-hover: #2f6fe0;
  --green: #22c55e;
  --new: #16a34a;
  --red: #ef4444;
  --comment: #60a5fa;
  --radius: 8px;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg); color: var(--text);
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", "Segoe UI", sans-serif;
  font-size: 14px; line-height: 1.5;
  -webkit-text-size-adjust: 100%;
}
a { color: inherit; text-decoration: none; }

/* ---------- 상단 네비게이션 ---------- */
.site-header { border-bottom: 1px solid var(--border); background: var(--bg); }
.nav {
  max-width: 1280px; margin: 0 auto; height: 56px; padding: 0 16px;
  display: flex; align-items: center; gap: 20px; position: relative;
}
.brand { font-size: 22px; font-weight: 800; letter-spacing: -0.5px; }
.nav-menu { display: flex; gap: 20px; flex: 1; }
/*.nav-menu a { color: var(--muted); font-weight: 500; white-space: nowrap; } */
.nav-menu a { color: #e6ebf4; font-weight: 600; font-size: 15px; white-space: nowrap; }
.nav-menu a.active, .nav-menu a:hover { color: var(--text); }
.nav-right { display: flex; align-items: center; gap: 14px; color: var(--muted); }
.btn-signup { background: var(--accent); color: #fff; padding: 8px 14px; border-radius: 6px; font-weight: 600; white-space: nowrap; }
.btn-signup:hover { background: var(--accent-hover); }

/* 햄버거 (데스크톱에선 숨김) */
.nav-toggle { display: none; }
.nav-hamburger { display: none; }

/* ---------- 레이아웃 ---------- */
.layout {
  max-width: 1280px; margin: 0 auto; padding: 24px 16px;
  display: grid; grid-template-columns: 1fr 300px; gap: 24px; align-items: start;
}

/* ---------- 게시판 헤더 / 검색 ---------- */
.board-title { display: flex; align-items: baseline; gap: 10px; margin: 0 0 16px; }
.board-title h1 { font-size: 20px; margin: 0; }
.board-title .count { color: var(--muted); font-size: 13px; }
.board-controls { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; }
.board-controls select, .board-controls input {
  height: 40px; background: var(--panel); border: 1px solid var(--border);
  border-radius: 6px; color: var(--text); padding: 0 12px;
}
.board-controls input { flex: 1 1 200px; min-width: 0; }
.btn-search { height: 40px; padding: 0 16px; background: var(--accent); color: #fff; border: none; border-radius: 6px; font-weight: 600; cursor: pointer; white-space: nowrap; }
.spacer { flex: 1; }
.btn-write {
  display: inline-flex; align-items: center; height: 40px; padding: 0 16px;
  border: 1px solid var(--green); color: var(--green); background: transparent;
  border-radius: 6px; font-weight: 600; cursor: pointer; white-space: nowrap;
}
.btn-write:hover { background: rgba(34, 197, 94, 0.12); }

/* ---------- 게시글 목록 ---------- */
.post-list { border-top: 1px solid var(--border); }
.post-row {
  display: grid; grid-template-columns: 1fr 150px 90px 70px;
  align-items: center; gap: 12px; padding: 13px 12px;
  border-bottom: 1px solid var(--border); color: var(--text);
}
.post-row.notice { background: rgba(59, 130, 246, 0.05); }
.post-row:not(.post-list-head):hover { background: var(--panel-2); }
.post-list-head { background: var(--panel-2); color: var(--muted); font-weight: 600; font-size: 13px; }
.cell-meta { display: contents; }
.cell-author { display: flex; align-items: center; gap: 8px; color: var(--muted); min-width: 0; }
.cell-date { color: var(--muted); }
.cell-views { text-align: right; color: var(--muted); }
.avatar {
  width: 22px; height: 22px; border-radius: 50%; background: var(--panel-2);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 11px; color: var(--text); flex-shrink: 0;
}
.title-cell { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.post-row:not(.post-list-head):hover .title-text { text-decoration: underline; }
.empty { padding: 40px 12px; color: var(--muted); text-align: center; border-bottom: 1px solid var(--border); }

/* ---------- 배지 ---------- */
.badge { display: inline-flex; align-items: center; gap: 3px; font-size: 11px; font-weight: 700; padding: 2px 7px; border-radius: 4px; line-height: 1.4; }
.badge-notice { background: var(--red); color: #fff; }
.badge-new { background: var(--new); color: #fff; }
.count-comment { color: var(--comment); font-weight: 700; font-size: 13px; }
.count-reaction { display: inline-flex; align-items: center; gap: 2px; color: var(--muted); font-size: 12px; }

/* ---------- 사이드바 ---------- */
.side-card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; margin-bottom: 20px; }
.side-head { padding: 16px; font-weight: 700; display: flex; align-items: center; gap: 8px; background: linear-gradient(135deg, #1a2540, #131c2e); border-bottom: 1px solid var(--border); }
.side-menu { list-style: none; margin: 0; padding: 8px; }
.side-menu li a { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 6px; color: var(--muted); }
.side-menu li a:hover { color: var(--text); background: var(--panel-2); }
.side-menu li a.active { background: var(--accent); color: #fff; }
.side-divider { height: 1px; background: var(--border); margin: 6px 12px; }

/* ---------- 투표 위젯 ---------- */
.poll-head { display: flex; justify-content: space-between; align-items: center; padding: 14px 16px; border-bottom: 1px solid var(--border); font-weight: 700; }
.poll-head .see-all { color: var(--accent); font-size: 12px; font-weight: 500; }
.poll-body { padding: 16px; }
.poll-question { font-weight: 600; margin-bottom: 14px; line-height: 1.45; }
.poll-option { margin-bottom: 12px; }
.opt-top { display: flex; justify-content: space-between; font-size: 13px; margin-bottom: 5px; }
.opt-top .pct { font-weight: 700; }
.poll-bar { height: 22px; background: var(--panel-2); border-radius: 4px; overflow: hidden; }
.poll-bar .fill { height: 100%; display: flex; align-items: center; padding-left: 8px; font-size: 11px; color: #fff; font-weight: 600; min-width: fit-content; }
.fill.blue { background: var(--accent); }
.fill.red { background: var(--red); }
.poll-foot { display: flex; justify-content: space-between; color: var(--muted); font-size: 12px; margin-top: 14px; }

/* ==================== 반응형 ==================== */
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  /* 햄버거 버튼 표시 */
  .nav-hamburger {
    display: flex; flex-direction: column; justify-content: center; align-items: center;
    gap: 5px; width: 44px; height: 44px; margin-left: auto; cursor: pointer;
    order: 3;
  }
  .nav-hamburger span { display: block; width: 24px; height: 2px; background: var(--text); border-radius: 2px; }

  /* 메뉴 + 로그인묶음: 평소 숨김, 열리면 헤더 아래로 세로 펼침 */
  .nav-menu, .nav-right {
    display: none;
    order: 4;
    flex-basis: 100%;
    flex-direction: column;
    gap: 0;
    margin: 0;
  }
  .nav-toggle:checked ~ .nav-menu,
  .nav-toggle:checked ~ .nav-right { display: flex; }

  .nav-menu a {
    padding: 15px 4px; border-top: 1px solid var(--border);
    color: var(--text); font-size: 16px;
  }
  .nav-right {
    flex-direction: row; align-items: center; gap: 16px;
    padding: 14px 4px; border-top: 1px solid var(--border);
  }
  .nav-right a { color: var(--text); font-size: 16px; }

  /* nav 를 감싸서 펼침 항목이 아래로 흐르도록 */
  .nav { flex-wrap: wrap; height: auto; min-height: 56px; padding-top: 8px; padding-bottom: 8px; }
  .brand { order: 1; }
  .nav-hamburger { order: 2; }

  /* 게시판 목록 모바일 카드화 */
  .post-list-head { display: none; }
  .post-row { display: block; padding: 14px 12px; }
  .cell-meta { display: flex; align-items: center; gap: 10px; margin-top: 8px; font-size: 12px; }
  .cell-views { margin-left: auto; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}
/* ===== 홈: 지수 박스 (반응형) ===== */
.index-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
  margin-bottom: 18px;
}
.index-box {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 12px;
  background: var(--panel);
}
.index-box .name { color: var(--muted); font-size: 12px; margin-bottom: 5px; }
.index-box .price { font-size: 16px; font-weight: 700; margin-bottom: 2px; }
.index-box .chg { font-size: 12px; }

@media (max-width: 900px) {
  .index-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 560px) {
  .index-grid { grid-template-columns: repeat(2, 1fr); }
  .index-box .price { font-size: 16px; }
}

/* ===== 홈: 김치프리미엄 표 (반응형) ===== */
.kimp-table { width: 100%; border-collapse: collapse; }
.kimp-table th { color: var(--muted); font-size: 13px; font-weight: 600; padding: 6px 12px; text-align: right; }
.kimp-table td { font-size: 14px; padding: 7px 12px; text-align: right; border-top: 1px solid var(--border); }
.kimp-table .col-name { text-align: left; padding-left: 18px; }
.kimp-table .col-vol { padding-right: 18px; }

@media (max-width: 560px) {
  .kimp-table th, .kimp-table td { padding: 10px 8px; font-size: 13px; }
  .kimp-table .col-name { padding-left: 14px; }
  .kimp-table .col-vol { padding-right: 14px; }
  .kimp-table .col-binance { display: none; } /* 좁은 화면에선 바이낸스(환산) 열 숨김 */
}
/* ---------- 패치노트 새 글 표시 (헤더 + 사이드바 공용) ---------- */
/* ---------- 패치노트 새 글 표시 (헤더 + 사이드바 + 트리 공용) ---------- */
.nav-menu a.nav-new,
.side-menu a.nav-new,
.nav-tree a.nav-new {
  font-weight: 800;
  color: var(--text);
}
.nav-menu a.nav-new::after,
.side-menu a.nav-new::after,
.nav-tree a.nav-new::after {
  content: '';
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-left: 5px;
  vertical-align: 5px;
  border-radius: 50%;
  background: #ff4d4f;
}

/* ---------- 헤더 게시판 트리 메뉴 ---------- */
.nav-group { position: relative; }

.nav-group-toggle {
  background: none;
  border: 0;
  padding: 0;
  margin: 0;
  font: inherit;
  color: inherit;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  -webkit-tap-highlight-color: transparent;
}
.nav-group-toggle .caret {
  font-size: 10px;
  transition: transform .15s ease;
}
.nav-group.open > .nav-group-toggle .caret { transform: rotate(180deg); }

.nav-tree {
  display: none;
  position: absolute;
  top: calc(100% + 12px);
  left: -12px;
  min-width: 210px;
  padding: 8px 0;
  background: var(--panel, #191c22);
  border: 1px solid var(--border, #2b2f38);
  border-radius: 10px;
  box-shadow: 0 14px 34px rgba(0, 0, 0, .45);
  z-index: 200;
}
.nav-group:hover > .nav-tree,
.nav-group.open > .nav-tree { display: block; }

.nav-tree .tree-group + .tree-group {
  margin-top: 6px;
  padding-top: 6px;
  border-top: 1px solid var(--border, #2b2f38);
}
.nav-tree .tree-label {
  padding: 6px 14px 4px;
  font-size: 11px;
  letter-spacing: .05em;
  color: var(--muted, #8b93a1);
}
.nav-tree ul { list-style: none; margin: 0; padding: 0; }
.nav-tree li { position: relative; }
.nav-tree li a {
  display: block;
  padding: 7px 14px 7px 28px;
  font-size: 14px;
  color: var(--text, #e6e8ec);
  text-decoration: none;
  white-space: nowrap;
}
.nav-tree li a::before {
  content: '└';
  position: absolute;
  left: 13px;
  color: var(--muted, #8b93a1);
  font-size: 11px;
}
.nav-tree li:last-child a::before { content: '└'; }
.nav-tree li a:hover { background: rgba(255, 255, 255, .06); }
.nav-tree li a.active { color: #4da3ff; }

/* ---------- 모바일: 드롭다운 대신 인라인 트리 ---------- */
@media (max-width: 768px) {
  .nav-group { position: static; width: 100%; }
  .nav-group-toggle { justify-content: space-between; width: 100%; }
  .nav-tree {
    position: static;
    min-width: 0;
    left: auto;
    margin: 4px 0 8px 10px;
    padding: 2px 0;
    background: transparent;
    border: 0;
    border-left: 1px solid var(--border, #2b2f38);
    border-radius: 0;
    box-shadow: none;
  }
  .nav-group:hover > .nav-tree { display: none; }
  .nav-group.open > .nav-tree { display: block; }
  .nav-tree li a { white-space: normal; }
}

/* ===== 게시판 토글을 일반 메뉴와 동일하게 (override) ===== */
.nav-group-toggle {
  font-family: inherit;
  color: #e6ebf4;
  font-weight: 600;
  font-size: 15px;
  white-space: nowrap;
  gap: 6px;
}
.nav-group-toggle:hover,
.nav-group.open > .nav-group-toggle { color: var(--text); }
.nav-group-toggle .caret {
  font-size: 12px;
  opacity: .55;
}

/* 641~768px: 인라인 트리 해제, 데스크톱 드롭다운 유지 */
@media (min-width: 641px) and (max-width: 768px) {
  .nav-group { position: relative; width: auto; }
  .nav-group-toggle { justify-content: flex-start; width: auto; padding: 0; border-top: 0; }
  .nav-tree {
    position: absolute;
    top: calc(100% + 12px);
    left: -12px;
    min-width: 210px;
    margin: 0;
    padding: 8px 0;
    background: var(--panel, #191c22);
    border: 1px solid var(--border, #2b2f38);
    border-radius: 10px;
    box-shadow: 0 14px 34px rgba(0, 0, 0, .45);
  }
  .nav-group:hover > .nav-tree { display: block; }
  .nav-tree li a { white-space: nowrap; }
}

/* 640px 이하: .nav-menu a 와 완전히 동일한 행 */
@media (max-width: 640px) {
  .nav-group-toggle {
    justify-content: space-between;
    width: 100%;
    padding: 15px 4px;
    border-top: 1px solid var(--border);
    color: var(--text);
    font-size: 16px;
    font-weight: 600;
  }
  .nav-group-toggle .caret { font-size: 12px; }
}