:root{--bg:#f4f6f8;--fg:#1d2733;--muted:#6b7785;--card:#fff;--line:#dde3ea;--accent:#1f6feb;--red:#c62828;--ok:#2e7d32}
@media (prefers-color-scheme:dark){:root{--bg:#10151b;--fg:#e4e9ef;--muted:#8b97a5;--card:#18202a;--line:#2a3441;--accent:#5b9dff;--red:#ef6b6b;--ok:#66bb6a}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.65 system-ui,"Hiragino Sans","Noto Sans JP",sans-serif}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
main{max-width:960px;margin:0 auto;padding:16px}
h1{font-size:1.4rem;margin:.4em 0}h2{font-size:1.1rem;margin:.6em 0}
.top{display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;padding:10px 16px;background:var(--card);border-bottom:1px solid var(--line)}
.brand{font-weight:700;color:var(--fg)}
.top nav{display:flex;gap:16px;flex:1}
.who{display:flex;align-items:center;gap:10px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px;margin:0 0 16px}
.narrow{max-width:520px}.login{max-width:380px;margin:48px auto}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media (max-width:720px){.grid2,.grid3{grid-template-columns:1fr}}
.tile{color:var(--fg)}.tile:hover{border-color:var(--accent);text-decoration:none}
.row{display:flex;gap:12px;align-items:center}.between{justify-content:space-between}
.muted{color:var(--muted);font-size:.9em}.more{text-align:right;margin:.6em 0 0}
label{display:block;margin:0 0 12px;font-size:.92rem}
input,textarea,select{display:block;width:100%;margin-top:4px;padding:8px 10px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--fg);font:inherit}
.check{display:flex;gap:8px;align-items:center}.check input{width:auto;margin:0}
button,.btn{font:inherit;cursor:pointer;border:1px solid var(--line);background:var(--card);color:var(--fg);padding:6px 14px;border-radius:6px;display:inline-block}
.primary{background:var(--accent);border-color:var(--accent);color:#fff}
button.link{border:0;background:none;padding:0;color:var(--accent)}button.danger,.danger{color:var(--red)}
form.inline{display:inline;margin-left:8px}
.flash{padding:10px 14px;border-radius:6px;margin-bottom:12px;border:1px solid var(--line)}
.flash.error{border-color:var(--red);color:var(--red)}.flash.ok{border-color:var(--ok);color:var(--ok)}
.badge{font-size:.72rem;padding:1px 8px;border-radius:99px;border:1px solid var(--accent);color:var(--accent);margin-right:4px;vertical-align:middle}
.badge.red{border-color:var(--red);color:var(--red)}
table.list{width:100%;border-collapse:collapse}
table.list th,table.list td{text-align:left;padding:8px 6px;border-bottom:1px solid var(--line);vertical-align:top}
table.list th{font-size:.82rem;color:var(--muted);font-weight:600}
tr.inactive{opacity:.5}.actions{white-space:nowrap}
.pager{display:flex;gap:10px;justify-content:center;margin-top:12px}
.threads{list-style:none;padding:0;margin:0}.threads li{padding:6px 0;border-bottom:1px solid var(--line)}
.meeting{display:flex;flex-wrap:wrap;gap:4px 14px;align-items:center;padding:8px 0;border-bottom:1px solid var(--line)}
.meeting .when{font-weight:600;min-width:11em}.meeting .what{flex:1}.meeting.cancelled{opacity:.6}
.rsvp{display:flex;gap:6px}.rsvp button{padding:3px 12px}
.rsvp button.on{background:var(--accent);border-color:var(--accent);color:#fff}
dl.info{display:grid;grid-template-columns:8em 1fr;gap:4px 8px}dl.info dt{color:var(--muted)}dl.info dd{margin:0}
.post-head{display:flex;flex-wrap:wrap;gap:4px 10px;align-items:baseline;margin-bottom:6px}.post-head .no{color:var(--muted)}
.md{overflow-wrap:anywhere}.md img{max-width:100%}
.md pre{background:var(--bg);padding:10px;border-radius:6px;overflow:auto}.md code{background:var(--bg);padding:1px 4px;border-radius:4px}
.md blockquote{margin:.6em 0;padding:.1em 1em;border-left:3px solid var(--line);color:var(--muted)}
.md table{border-collapse:collapse}.md th,.md td{border:1px solid var(--line);padding:4px 8px}
.help{font-size:.88rem;color:var(--muted);margin:0 0 12px}
.preview{display:flex;gap:12px;margin-top:10px;border:1px solid var(--line);border-radius:8px;overflow:hidden;color:var(--fg)}
.preview:hover{border-color:var(--accent);text-decoration:none}
.preview img{width:200px;max-height:130px;object-fit:cover;flex:none;background:var(--bg)}
.pv-body{padding:8px 10px;min-width:0}
.pv-site{font-size:.78rem;color:var(--muted)}.pv-title{font-weight:600}
.pv-desc{font-size:.88rem;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.preview.youtube img{width:220px;max-height:none;aspect-ratio:16/9}
@media (max-width:560px){.preview{flex-direction:column}.preview img,.preview.youtube img{width:100%}}
[hidden]{display:none!important}
.grid3{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
fieldset.session{border:1px solid var(--line);border-radius:8px;margin:0 0 14px;padding:10px 14px 2px}
fieldset.session legend{font-weight:600;padding:0 6px}
.venue-new{border-left:3px solid var(--accent);padding-left:12px;margin:0 0 12px}
.venue-info{white-space:pre-line;color:var(--muted);font-size:.9em}
h3{font-size:1rem;margin:.4em 0}
.badge.online{border-color:var(--ok);color:var(--ok)}
.flash.warn{border-color:#b26a00;color:#b26a00}
@media (prefers-color-scheme:dark){.flash.warn{border-color:#ffb74d;color:#ffb74d}}
.times{display:flex;gap:16px;flex-wrap:wrap}.times label{flex:1;min-width:9em}
.kind-switch{display:flex;gap:24px;flex-wrap:wrap;margin-bottom:10px}.kind-switch .check{margin:0}
.filter{display:flex;gap:6px}.filter a{padding:2px 12px;border:1px solid var(--line);border-radius:99px;color:var(--fg)}
.filter a.on{background:var(--accent);border-color:var(--accent);color:#fff}
.top nav a,.who a,.who button,.brand{white-space:nowrap}
@media (max-width:560px){
  .top{gap:6px 12px}
  .brand{white-space:normal;flex:1 1 100%;min-width:0;font-size:.95rem;line-height:1.4;overflow-wrap:break-word;text-wrap:balance}
  .who{margin-left:auto}
  .top nav{order:3;flex:1 1 100%;gap:20px}
  .meeting .when,.meeting .what{flex:1 1 100%;min-width:0}
}
.rsvp-table .opts{display:flex;flex-wrap:wrap;gap:4px 16px}.rsvp-table .check{margin:0}
.counts{margin:.4em 0 1em}
button.save{margin-top:14px}
.proxy{display:inline-block;font-size:.72rem;line-height:1.5;padding:0 7px;margin-left:4px;border-radius:99px;border:1px solid #b26a00;color:#b26a00;vertical-align:middle}
@media (prefers-color-scheme:dark){.proxy{border-color:#ffb74d;color:#ffb74d}}

.mailpreview{white-space:pre-wrap;word-break:break-word;background:var(--bg,#f5f5f5);border:1px solid var(--line);border-radius:6px;padding:10px;font-size:.88rem;overflow-x:auto}
.approve{display:flex;align-items:center;gap:8px;white-space:nowrap}
.approve select{width:auto;margin:0}
.approve button{margin:0}
.badge.live{border-color:var(--red);color:var(--red);margin-left:6px;text-decoration:none}
.btn{text-decoration:none}
.badge.live{white-space:nowrap;display:inline-block;margin:2px 0 0 0}
.badge.notes{white-space:nowrap;display:inline-block;margin:2px 0 0 0;text-decoration:none}
a.btn,a.btn:hover{text-decoration:none}
.att-item{padding:8px 0;border-bottom:1px solid var(--line)}.att-item:last-child{border-bottom:0}.att-names{margin-top:2px;line-height:1.7}.cb{display:inline-block;width:auto;margin:0}
a.btn.map{margin-top:6px;font-size:.9rem;padding:4px 12px}
.md img{max-width:100%;height:auto;border-radius:6px;display:block;margin:6px 0;border:1px solid var(--line)}
.upload-bar{display:flex;flex-wrap:wrap;gap:6px 12px;align-items:center;margin:6px 0 10px;font-size:.85rem}
.upload-bar button{padding:3px 12px;font-size:.85rem}
.upload-status{color:var(--accent)}.upload-status.error{color:var(--red)}
textarea.dragging{outline:2px dashed var(--accent)}
.admin-bar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:0 0 12px}
.admin-bar form{margin:0}
.admin-bar button.danger{border:1px solid var(--red);background:transparent}