:root{color-scheme:light}*{box-sizing:border-box}body{margin:0;font-family:Pretendard,Apple SD Gothic Neo,Noto Sans KR,sans-serif;background:#f3f6fb;color:#111827}.container{max-width:1120px;margin:0 auto;padding:24px;display:grid;grid-gap:16px;gap:16px}.header,.panel{background:#fff;border-radius:14px;padding:18px;box-shadow:0 8px 28px rgba(15,23,42,.08)}h1,h2,h3,h4{margin-top:0}.muted{color:#6b7280}.messageList{list-style:none;margin:0;padding:0;display:grid;grid-gap:10px;gap:10px}.messageItem{border:1px solid #e5e7eb;border-radius:10px;padding:12px;background:#fafafa}.messageItem .meta{display:flex;flex-wrap:wrap;gap:8px;color:#4b5563;font-size:.85rem;margin-bottom:8px}.card ol,.card ul{margin-top:8px}