:root{
  --bg:#f5f7fb; --card:#fff; --ink:#1b2430; --muted:#5b6778; --line:#d9e0ea;
  --brand:#1d4ed8; --brand-ink:#fff; --danger:#b42318; --ok:#067647; --chip:#e8eefc;
  --radius:12px; font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}
@media (prefers-color-scheme: dark){
  :root{ --bg:#0f141b; --card:#18202b; --ink:#e8edf4; --muted:#9aa7b8; --line:#2b3645;
         --brand:#5b8cff; --brand-ink:#0b1220; --danger:#ff8a80; --ok:#5fd3a0; --chip:#22304a; }
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font-size:16px;line-height:1.4}
body{padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}
button,input,select{font:inherit;color:inherit}
.wrap{max-width:980px;margin:0 auto;padding:12px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px;margin:10px 0}
h1{font-size:1.25rem;margin:0}
h2{font-size:1.05rem;margin:0 0 8px}
.top{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.muted{color:var(--muted);font-size:.9rem}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.grow{flex:1 1 180px}
input,select{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--card);min-height:44px}
input:focus,select:focus,button:focus-visible{outline:2px solid var(--brand);outline-offset:1px}
label{display:block;font-size:.8rem;color:var(--muted);margin:0 0 3px}
button{border:1px solid var(--line);background:var(--card);padding:10px 14px;border-radius:10px;cursor:pointer;min-height:44px}
button.primary{background:var(--brand);color:var(--brand-ink);border-color:var(--brand);font-weight:600}
button.danger{color:var(--danger);border-color:var(--danger)}
button:disabled{opacity:.5;cursor:not-allowed}
.chip{display:inline-block;background:var(--chip);border-radius:999px;padding:2px 10px;font-size:.8rem;margin-right:6px}
.chip.warn{background:transparent;border:1px solid var(--danger);color:var(--danger)}
.stats{display:flex;gap:10px;flex-wrap:wrap}
.stat{flex:1 1 90px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:10px;text-align:center}
.stat b{display:block;font-size:1.4rem}
details.leader{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);margin:8px 0}
details.leader>summary{list-style:none;cursor:pointer;padding:12px 14px;display:flex;gap:10px;justify-content:space-between;align-items:center}
details.leader>summary::-webkit-details-marker{display:none}
.leader-name{font-weight:650}
.members{padding:0 14px 12px;overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:.9rem;min-width:520px}
th,td{text-align:left;padding:6px 8px;border-bottom:1px solid var(--line);white-space:nowrap}
th{color:var(--muted);font-weight:600;font-size:.8rem}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:8px}
dialog{border:none;border-radius:16px;padding:0;width:min(760px,96vw);max-height:92vh;background:var(--bg);color:var(--ink)}
dialog::backdrop{background:rgba(0,0,0,.5)}
.dlg-body{padding:14px;overflow:auto;max-height:calc(92vh - 70px)}
.dlg-foot{position:sticky;bottom:0;padding:10px 14px;border-top:1px solid var(--line);background:var(--card);display:flex;gap:8px;justify-content:flex-end;flex-wrap:wrap}
.member-card{border:1px solid var(--line);border-radius:10px;padding:10px;margin:8px 0;background:var(--card)}
.member-card header{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px;font-weight:600}
#toast{position:fixed;left:50%;bottom:calc(16px + env(safe-area-inset-bottom));transform:translateX(-50%);background:#111;color:#fff;padding:10px 16px;border-radius:10px;opacity:0;pointer-events:none;transition:opacity .2s;max-width:92vw;z-index:20}
#toast.show{opacity:1}
#toast.err{background:var(--danger);color:#fff}
.login{max-width:380px;margin:12vh auto 0}
.login .card{display:grid;gap:10px}

/* ---- profile, ID card, scanner ---- */
a.home{color:inherit;text-decoration:none}
a.plink{color:var(--brand);text-decoration:none;font-weight:600}
a.plink:hover{text-decoration:underline}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.85rem}
.hidden{display:none}
details.leader.mine{border-color:var(--brand)}
.leader-name .chip{margin-left:8px;vertical-align:middle}
.notfound h2{margin-bottom:4px}
.profile-head{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
.pname{font-size:1.3rem;margin:0 0 6px}
.chip.c-leader{background:#1d4ed8;color:#fff}
.chip.c-member{background:#067647;color:#fff}
.chip.c-non{background:#6b7280;color:#fff}
.kvs{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px 16px;margin-top:12px}
.kv span{display:block;font-size:.8rem;color:var(--muted)}
.kv b{font-weight:600}
img.idcard{width:100%;max-width:640px;height:auto;border-radius:10px;border:1px solid var(--line);display:block}
ul.group{list-style:none;padding:0;margin:0}
ul.group li{padding:8px 0;border-bottom:1px solid var(--line);display:flex;gap:8px;align-items:center;flex-wrap:wrap}
ul.group li.me{background:var(--chip);border-radius:8px;padding-left:8px}
.scanbox{position:relative;width:100%;max-width:520px;aspect-ratio:1/1;background:#000;border-radius:12px;overflow:hidden;margin:6px 0}
.scanvideo{width:100%;height:100%;object-fit:cover;display:block}
.scanframe{position:absolute;inset:18%;border:3px solid rgba(255,255,255,.9);border-radius:14px;box-shadow:0 0 0 999px rgba(0,0,0,.25);pointer-events:none}

/* ---- tabs + masterlist ---- */
.tabs{display:flex;gap:4px;width:100%;margin-top:8px;border-bottom:1px solid var(--line)}
.tab{padding:10px 14px;text-decoration:none;color:var(--muted);font-weight:600;border-bottom:3px solid transparent;margin-bottom:-1px}
.tab.active{color:var(--brand);border-bottom-color:var(--brand)}
.mlist{padding:0 14px}
.mlist ol{margin:0;padding-left:2.6em}
.mlist li{padding:10px 0;border-bottom:1px solid var(--line)}
.mlist li:last-child{border-bottom:none}
.mlist li::marker{color:var(--muted);font-size:.85rem}
.mname{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.mmeta{font-size:.85rem;margin-top:2px}
.pager{justify-content:space-between;margin:10px 0 20px}

/* ---- accounts ---- */
.acclist{padding:0 14px}
.acc{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;padding:12px 0;border-bottom:1px solid var(--line)}
.acc:last-child{border-bottom:none}
.acc-main{flex:1 1 260px;min-width:0}
.acc-main b{overflow-wrap:anywhere}
.acc.is-blocked .acc-main{opacity:.65}