/* 살다보니USA — 화이트 + 딥틸(#0f766e) 심플 디자인 */
:root {
  --teal: #0f766e;
  --teal-dark: #0b5e57;
  --ink: #1a1a1a;
  --gray: #666;
  --line: #e7e7e7;
  --bg-soft: #f7f7f7;
  --red: #d92d20;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, "Malgun Gothic", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif; color: var(--ink); background: #fff; font-size: 16px; line-height: 1.55; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
input, textarea, select { font: inherit; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; width: 100%; background: #fff; }
textarea { min-height: 160px; resize: vertical; }
label { display: block; font-weight: 600; margin: 14px 0 6px; font-size: 14px; }

.wrap { max-width: 1100px; margin: 0 auto; padding: 0 16px 64px; }

/* 헤더 */
header.site { border-bottom: 1px solid var(--line); position: sticky; top: 0; background: #fff; z-index: 20; }
.header-in { max-width: 1100px; margin: 0 auto; padding: 12px 16px; display: flex; align-items: center; gap: 14px; }
.logo { font-weight: 800; font-size: 20px; color: var(--teal); letter-spacing: -0.02em; white-space: nowrap; }
.logo small { display: block; font-size: 10px; color: var(--gray); font-weight: 600; letter-spacing: .08em; }
nav.boards { display: flex; gap: 4px; flex: 1; overflow-x: auto; }
nav.boards a { padding: 8px 10px; border-radius: 8px; font-size: 14px; white-space: nowrap; min-height: 44px; display: flex; align-items: center; }
nav.boards a:hover, nav.boards a.on { background: var(--bg-soft); color: var(--teal); font-weight: 700; }
.header-actions { display: flex; align-items: center; gap: 6px; }
.icon-btn { position: relative; min-width: 44px; min-height: 44px; border: 0; background: none; font-size: 19px; border-radius: 10px; }
.icon-btn:hover { background: var(--bg-soft); }
.icon-btn .dot { position: absolute; top: 2px; right: 2px; background: var(--red); color: #fff; font-size: 10px; font-weight: 700; min-width: 17px; height: 17px; border-radius: 999px; display: flex; align-items: center; justify-content: center; padding: 0 4px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; border: 1px solid var(--line); background: #fff; border-radius: 10px; padding: 9px 16px; min-height: 44px; font-weight: 600; font-size: 14px; }
.btn.primary { background: var(--teal); border-color: var(--teal); color: #fff; }
.btn.primary:hover { background: var(--teal-dark); }
.btn.danger { color: var(--red); border-color: #f3c2bd; }
.btn.small { min-height: 44px; padding: 6px 12px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* 목록 */
.page-head { display: flex; align-items: center; gap: 10px; margin: 26px 0 14px; flex-wrap: wrap; }
.page-head h1 { font-size: 24px; }
.page-head .spacer { flex: 1; }
.search-box { display: flex; gap: 6px; max-width: 340px; width: 100%; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin: 14px 0; }
.chip { border: 1px solid var(--line); border-radius: 999px; padding: 8px 14px; font-size: 14px; min-height: 44px; display: inline-flex; align-items: center; }
.chip.on { background: var(--teal); color: #fff; border-color: var(--teal); font-weight: 700; }

table.board-table { width: 100%; border-collapse: collapse; font-size: 14px; }
table.board-table th, table.board-table td { padding: 10px 8px; border-bottom: 1px solid var(--line); text-align: left; }
table.board-table th { color: var(--gray); font-size: 12px; }
table.board-table td.num, table.board-table td.meta { color: var(--gray); white-space: nowrap; width: 1%; }
table.board-table tr.notice td { background: #f2faf9; font-weight: 600; }
.post-cards { display: none; }
.post-card { border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; margin-bottom: 10px; display: block; }
.post-card h3 { font-size: 16px; margin-bottom: 4px; }
.post-card .meta { color: var(--gray); font-size: 12px; }
.pager { display: flex; gap: 6px; justify-content: center; margin: 22px 0; }
.pager a, .pager span { min-width: 44px; min-height: 44px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: 10px; padding: 0 10px; }
.pager .on { background: var(--teal); color: #fff; border-color: var(--teal); font-weight: 700; }

/* 신뢰/배지 */
.badge { display: inline-flex; align-items: center; border-radius: 999px; padding: 2px 9px; font-size: 11px; font-weight: 700; background: #e6f4f2; color: var(--teal); vertical-align: middle; }
.badge.gold { background: #fdf3e0; color: #7c5a10; }
.badge.gray { background: var(--bg-soft); color: var(--gray); }
.trust-line { font-size: 12px; color: var(--gray); margin-top: 2px; }
.sale-status { font-weight: 700; color: var(--teal); font-size: 12px; }
.sale-status.done { color: var(--gray); }
.price { font-weight: 800; color: var(--ink); }

/* 상세 */
.post-head h1 { font-size: 26px; margin: 8px 0 6px; line-height: 1.35; }
.post-meta { color: var(--gray); font-size: 13px; display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.post-body { margin: 22px 0; font-size: 16px; line-height: 1.75; word-break: break-word; }
.post-body img { max-width: 100%; border-radius: 12px; }
.post-images img { max-width: 100%; border-radius: 12px; margin-bottom: 10px; display: block; }
.seller-card { border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; margin: 18px 0; background: #fcfcfc; }
.seller-card h3 { font-size: 15px; margin-bottom: 6px; }
.check-list { font-size: 13px; color: var(--gray); margin-top: 8px; }
.check-list li { list-style: none; padding: 2px 0; }
.warn-banner { background: #fff7ed; border: 1px solid #fed7aa; color: #9a3412; border-radius: 12px; padding: 12px 14px; font-size: 14px; margin: 14px 0; }
.notice-banner { background: #f2faf9; border: 1px solid #cdeae6; border-radius: 12px; padding: 12px 14px; font-size: 14px; margin: 14px 0; }
.comment { border-top: 1px solid var(--line); padding: 12px 0; }
.comment .c-meta { font-size: 12px; color: var(--gray); margin-bottom: 3px; }
.actions-row { display: flex; gap: 8px; flex-wrap: wrap; margin: 16px 0; align-items: center; }

/* 폼/메시지 */
.form-card { max-width: 560px; margin: 30px auto; }
.form-card h1 { font-size: 24px; margin-bottom: 6px; }
.form-err { background: #fef2f2; border: 1px solid #fecaca; color: #991b1b; border-radius: 10px; padding: 10px 12px; font-size: 14px; margin: 12px 0; display: none; }
.form-ok { background: #f2faf9; border: 1px solid #cdeae6; color: var(--teal-dark); border-radius: 10px; padding: 10px 12px; font-size: 14px; margin: 12px 0; display: none; }
.autosave { font-size: 12px; color: var(--gray); min-height: 18px; }
.step-tag { display: inline-block; font-size: 11px; font-weight: 700; color: var(--teal); background: #e6f4f2; border-radius: 999px; padding: 3px 10px; margin-top: 20px; }
.hint { font-size: 12px; color: var(--gray); margin-top: 4px; }
.img-preview { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.img-preview img { width: 84px; height: 84px; object-fit: cover; border-radius: 10px; border: 1px solid var(--line); }

.msg-layout { display: grid; grid-template-columns: 300px 1fr; gap: 18px; margin-top: 20px; }
.thread-item { border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; margin-bottom: 8px; display: block; }
.thread-item.on { border-color: var(--teal); background: #f2faf9; }
.thread-item .t-meta { font-size: 12px; color: var(--gray); }
.bubble-row { display: flex; margin: 8px 0; }
.bubble { max-width: 75%; border-radius: 16px; padding: 10px 14px; font-size: 15px; background: var(--bg-soft); white-space: pre-wrap; word-break: break-word; }
.bubble-row.mine { justify-content: flex-end; }
.bubble-row.mine .bubble { background: var(--teal); color: #fff; }
.msg-send { display: flex; gap: 8px; margin-top: 12px; }
.msg-send textarea { min-height: 48px; }

.noti-item { border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; margin-bottom: 8px; display: block; }
.noti-item.unread { border-color: var(--teal); background: #f2faf9; }
.noti-item .n-meta { font-size: 12px; color: var(--gray); }

.queue-item { border: 1px solid var(--line); border-radius: 14px; padding: 16px; margin-bottom: 12px; }
.queue-item h3 { font-size: 15px; margin-bottom: 6px; }
.queue-item .q-meta { font-size: 13px; color: var(--gray); white-space: pre-wrap; }

footer.site { border-top: 1px solid var(--line); margin-top: 40px; }
.footer-in { max-width: 1100px; margin: 0 auto; padding: 22px 16px; font-size: 13px; color: var(--gray); display: flex; gap: 16px; flex-wrap: wrap; }
.empty { text-align: center; color: var(--gray); padding: 48px 0; }
.stars { color: #b45309; letter-spacing: 2px; font-size: 18px; }
.tag-chip { display: inline-block; border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px; font-size: 13px; margin: 3px 4px 3px 0; cursor: pointer; min-height: 44px; }
.tag-chip.on { background: var(--teal); color: #fff; border-color: var(--teal); }

/* ── 접근성 (WCAG 2.1 AA 기준) ─────────────────────────────── */
html { font-size: 100%; } /* rem 기반 — 브라우저 글자 크기 설정 존중 */
:focus { outline: none; }
:focus-visible { outline: 3px solid var(--teal); outline-offset: 2px; border-radius: 4px; }
.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  background: var(--teal); color: #fff; padding: 12px 18px; border-radius: 0 0 10px 10px;
  font-weight: 700; min-height: 44px;
}
.skip-link:focus { top: 0; }
.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;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

@media (max-width: 1023px) {
  nav.boards { display: none; }
  table.board-table { display: none; }
  .post-cards { display: block; }
  .msg-layout { grid-template-columns: 1fr; }
  .logo small { display: none; }
}