:root{--bg:#f5f6f8;--card:#fff;--text:#1d2330;--muted:#6b7280;--line:#e2e5ea;--accent:#2563eb;--ok:#16a34a;--err:#dc2626}
@media (prefers-color-scheme:dark){:root{--bg:#12151b;--card:#1b2029;--text:#e8eaee;--muted:#9aa3b2;--line:#2c3340;--accent:#6b9bff}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.7 -apple-system,"Hiragino Sans","Noto Sans JP",sans-serif}
main{margin:0 auto;padding:24px 16px 64px}
main.narrow{max-width:640px}main.wide{max-width:1200px}
h1{font-size:1.4rem;margin:0 0 .5rem}h2{font-size:1.1rem;margin:0 0 .75rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;margin:16px 0}
label{display:block;margin-bottom:12px;font-size:.9rem}
input,select,textarea,button{font:inherit}
input,textarea{width:100%;padding:10px 12px;margin-top:4px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--text)}
select{padding:6px 8px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--text)}
button{padding:10px 18px;border:0;border-radius:8px;background:var(--accent);color:#fff;cursor:pointer}
button:disabled{opacity:.5;cursor:default}
button.secondary{background:transparent;color:var(--accent);border:1px solid var(--accent);padding:6px 12px}
button.link{background:none;color:var(--muted);padding:4px 8px;text-decoration:underline}
.muted{color:var(--muted)}.small{font-size:.85rem}
.error{color:var(--err);background:color-mix(in srgb,var(--err) 10%,transparent);padding:10px 12px;border-radius:8px}
.bar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.bar-actions{display:flex;align-items:center;gap:8px}
.status-row{padding:10px 0;border-top:1px solid var(--line)}.status-row:first-of-type{border-top:0}
.status-name{font-weight:600;margin-bottom:6px}
.steps{display:flex;gap:6px;flex-wrap:wrap}
.step{padding:4px 12px;border-radius:999px;border:1px solid var(--line);color:var(--muted);font-size:.9rem}
.step.current{background:var(--ok);border-color:var(--ok);color:#fff;font-weight:600}
.notice{background:color-mix(in srgb,var(--accent) 10%,transparent);padding:10px 12px;border-radius:8px}
.log{max-height:380px;overflow-y:auto;display:flex;flex-direction:column;gap:8px;margin:12px 0}
.bubble{padding:8px 12px;border-radius:12px;max-width:85%;white-space:pre-wrap;word-break:break-word}
.bubble.user{align-self:flex-end;background:var(--accent);color:#fff}
.bubble.bot{align-self:flex-start;background:var(--bg);border:1px solid var(--line)}
.bubble.err{color:var(--err)}
.chat-form{display:flex;gap:8px;align-items:flex-end}.chat-form textarea{margin:0;resize:vertical}
.filters{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.filters input{width:220px;margin:0}
.table-wrap{overflow-x:auto;background:var(--card);border:1px solid var(--line);border-radius:12px}
table{border-collapse:collapse;width:100%;font-size:.92rem}
th,td{padding:8px 12px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
td.small{white-space:normal;max-width:260px}
th{position:sticky;top:0;background:var(--card)}
tr[hidden]{display:none}
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--ok);color:#fff;padding:8px 16px;border-radius:8px;opacity:0;pointer-events:none;transition:opacity .2s}
.toast.show{opacity:1}.toast.bad{background:var(--err)}

/* ---- 参加者: 進捗 ---- */
.pill{display:inline-block;padding:2px 12px;border-radius:999px;border:1px solid var(--line);font-weight:600}
.pill.ok{background:var(--ok);border-color:var(--ok);color:#fff}.pill.ng{background:var(--muted);border-color:var(--muted);color:#fff}
.progress{list-style:none;margin:12px 0 0;padding:0}
.progress li{display:flex;align-items:center;gap:10px;padding:8px 0;border-top:1px solid var(--line)}
.progress .dot{width:26px;height:26px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;font-size:.8rem;color:var(--muted);flex:none}
.progress li.done .dot{background:var(--ok);border-color:var(--ok);color:#fff}
.progress .plabel{flex:1}.progress .pstate{color:var(--muted);font-size:.9rem}.progress li.done .pstate{color:var(--ok);font-weight:600}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{padding:6px 12px;border:1px solid var(--line);border-radius:10px;display:flex;flex-direction:column;line-height:1.3}
.chip small{color:var(--muted);font-size:.75rem}.chip.x{opacity:.45;text-decoration:line-through}
a{color:var(--accent)}

/* ---- 管理画面 ---- */
.tabs{display:flex;gap:4px;margin:12px 0}
.tabs button{background:transparent;color:var(--muted);border:1px solid var(--line);padding:8px 16px}
.tabs button.on{background:var(--accent);color:#fff;border-color:var(--accent)}
.badge{background:#dc2626;color:#fff;border-radius:999px;padding:0 7px;font-size:.75rem;margin-left:4px}
.countries{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px}
.ccard{flex:none;min-width:118px;display:flex;flex-direction:column;align-items:flex-start;gap:2px;text-align:left;
  background:var(--card);color:var(--text);border:1px solid var(--line);padding:8px 12px;font-size:.82rem;line-height:1.35}
.ccard b{font-size:.95rem}.ccard small{color:var(--muted)}.ccard.on{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent)}
.mood{font-size:1.1rem}
td .marks{white-space:normal;display:inline-block;max-width:240px;font-size:.82rem}
.chat-admin{display:grid;grid-template-columns:minmax(260px,340px) 1fr;gap:16px;align-items:start}
@media (max-width:760px){.chat-admin{grid-template-columns:1fr}}
.clist{max-height:70vh;overflow-y:auto;padding:8px}
.citem{display:flex;gap:10px;width:100%;text-align:left;background:transparent;color:var(--text);border-bottom:1px solid var(--line);border-radius:0;padding:10px 6px}
.citem:hover{background:var(--bg)}.snip{font-size:.85rem;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:240px}
.log.tall{max-height:55vh}.bubble .meta{display:block;opacity:.7;font-size:.72rem;margin-top:2px}
.handle{display:flex;gap:8px}.handle input{margin:0}
dialog{width:min(720px,94vw);border:1px solid var(--line);border-radius:14px;background:var(--card);color:var(--text);padding:20px;max-height:90vh}
dialog::backdrop{background:rgba(0,0,0,.45)}
.dgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:8px 12px}
.dgrid label{margin:0}.dgrid select,.dgrid input[type=text]{width:100%;margin-top:4px}
dialog h3{margin:16px 0 6px;font-size:.95rem}.dfoot{display:flex;justify-content:space-between;gap:8px;margin-top:20px}
.dl{display:grid;grid-template-columns:140px 1fr;gap:4px 12px;font-size:.88rem;margin:0}.dl dt{color:var(--muted)}.dl dd{margin:0;word-break:break-word}