/* Message board — shares the question bank palette (questions/style.css tokens, night mode via body.night). */
.bd-wrap{width:100%;max-width:980px;margin:0 auto;padding:0 16px}
.bd-head{background:var(--navy);color:#fff}.bd-head .bd-wrap{display:flex;gap:14px;align-items:center;justify-content:space-between;flex-wrap:wrap;padding-top:10px;padding-bottom:10px}
.bd-head a,.bd-linkbtn{color:#e3edf1}.bd-brand{text-decoration:none;font-size:18px;color:#fff!important}.bd-brand span{opacity:.8;font-weight:400}
.bd-head nav{display:flex;gap:14px;align-items:center;flex-wrap:wrap;font-size:14px}.bd-linkbtn{background:none;border:0;padding:0;cursor:pointer;text-decoration:underline}
#bd-user{opacity:.85}
main.bd-wrap{flex:1;padding-top:22px;padding-bottom:40px}main:focus{outline:none}
.bd-foot{padding-top:14px;padding-bottom:26px;font-size:13px;color:var(--muted)}
.bd-muted{color:var(--muted)}
.bd-card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px 18px;margin:0 0 16px}
.bd-rules{background:var(--soft);border-left:4px solid var(--sea);padding:10px 14px;border-radius:6px;font-size:14px;margin:0 0 16px;white-space:pre-line}
.bd-tabs{display:flex;gap:6px;margin-bottom:12px}.bd-tabs button{padding:7px 14px;border:1px solid var(--line);background:var(--card);border-radius:7px;cursor:pointer;color:var(--ink)}.bd-tabs button[aria-pressed=true]{background:var(--navy2);color:#fff;border-color:var(--navy2)}
.bd-form label{display:block;margin:10px 0 4px;font-weight:600;font-size:14px}.bd-form input,.bd-form textarea,.bd-form select{width:100%;padding:9px 10px;border:1px solid #8aa0a8;border-radius:7px;background:var(--card);color:var(--ink);font:inherit}
.bd-form textarea{min-height:130px;resize:vertical}.bd-form .bd-hint{font-size:13px;color:var(--muted);margin:4px 0 0}
.bd-btn{display:inline-block;padding:9px 16px;border-radius:7px;border:1px solid var(--sea2);background:var(--sea2);color:#fff;cursor:pointer;font-weight:600;text-decoration:none}body.night .bd-btn{color:#0f1720}
.bd-btn.ghost{background:transparent;color:var(--sea2)}body.night .bd-btn.ghost{color:var(--sea)}.bd-btn.danger{background:transparent;color:var(--bad);border-color:var(--bad)}.bd-btn.small{padding:4px 10px;font-size:13px}
.bd-btn:disabled{opacity:.55;cursor:not-allowed}
.bd-err{color:var(--bad);margin:8px 0 0;min-height:1.2em}.bd-ok{color:var(--good)}
.bd-groupgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px}
.bd-group{display:block;padding:12px 14px;background:var(--card);border:1px solid var(--line);border-radius:9px;text-decoration:none;color:var(--ink)}.bd-group:hover{border-color:var(--sea)}.bd-group b{display:block}.bd-group small{color:var(--muted)}
.bd-group.general{border-color:var(--sea);background:var(--soft);grid-column:1/-1}
.bd-sec{margin:22px 0 8px;font-size:15px;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);font-family:system-ui,sans-serif}
.bd-crumbs{font-size:14px;margin-bottom:10px}
.bd-threads{list-style:none;margin:0;padding:0}.bd-threads li{display:grid;grid-template-columns:1fr auto;gap:2px 14px;padding:11px 4px;border-bottom:1px solid var(--line)}
.bd-threads a{font-weight:600}.bd-threads small{color:var(--muted)}.bd-badge{display:inline-block;font-size:11px;padding:1px 7px;border-radius:99px;background:var(--soft);border:1px solid var(--line);margin-left:6px;color:var(--ink)}
.bd-post{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 16px;margin:0 0 12px}.bd-post header{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin-bottom:6px}
.bd-post header b{color:var(--ink)}.bd-body{white-space:pre-wrap;overflow-wrap:anywhere}.bd-removed{font-style:italic;color:var(--muted)}
.bd-actions{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap}
.bd-pager{display:flex;gap:10px;align-items:center;margin:14px 0}
.bd-search{display:flex;gap:8px;margin:0 0 12px}.bd-search input{flex:1;padding:8px 10px;border:1px solid #8aa0a8;border-radius:7px;background:var(--card);color:var(--ink)}
.bd-qlink{font-size:13px;margin:0 0 8px}