:root{
  --indigo:#4f46e5; --indigo-dark:#4338ca; --indigo-soft:#eef0ff;
  --ink:#20232f; --muted:#6b7180;
  --line:#e7e8f2; --bg:#f6f6fb; --card:#ffffff;
  --ok:#0f9d6b; --okbg:#e5f7ef; --amber:#c77f0a; --amberbg:#fdf3e0; --bad:#d8503d; --badbg:#fdecea;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--ink);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}

header{background:linear-gradient(120deg,#4f46e5,#6d5ae0 60%,#8a63d8);color:#fff;padding:20px 30px;
  display:flex;align-items:center;gap:16px;flex-wrap:wrap}
header h1{margin:0;font-size:19px;font-weight:650;letter-spacing:-.01em}
header .sub{font-size:12.5px;opacity:.8;margin-top:3px}
header .spacer{flex:1}
.who{display:flex;align-items:center;gap:10px;font-size:13px}
.who .av{width:32px;height:32px;border-radius:50%;background:rgba(255,255,255,.22);display:flex;align-items:center;
  justify-content:center;font-weight:700;font-size:13px}
.linkbtn{background:rgba(255,255,255,.14);border:none;color:#fff;cursor:pointer;font-size:12.5px;font-family:inherit;
  padding:7px 13px;border-radius:9px;transition:background .13s}
.linkbtn:hover{background:rgba(255,255,255,.26)}

nav{background:#fff;border-bottom:1px solid var(--line);padding:0 30px;display:flex;gap:4px;overflow-x:auto;
  position:sticky;top:0;z-index:20}
nav button{background:none;border:none;padding:15px 16px;font-size:14px;color:var(--muted);cursor:pointer;
  border-bottom:2.5px solid transparent;font-family:inherit;white-space:nowrap;transition:color .12s;font-weight:550}
nav button:hover{color:var(--indigo)}
nav button.on{color:var(--indigo);border-bottom-color:var(--indigo);font-weight:650}

main{padding:26px 30px 70px;max-width:1340px;margin:0 auto}
.view{display:none}.view.on{display:block}

.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px 24px;margin-bottom:18px;
  box-shadow:0 4px 18px rgba(40,38,90,.05)}
.card h2{margin:0 0 5px;font-size:16px;color:var(--ink);font-weight:650}
.card .hint{color:var(--muted);font-size:13px;margin:0 0 15px}

.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(175px,1fr));gap:13px;margin-bottom:18px}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px;border-left:4px solid var(--indigo)}
.kpi .lbl{font-size:11.5px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);margin-bottom:6px;font-weight:600}
.kpi .val{font-size:26px;font-weight:700;color:var(--ink);line-height:1.15;letter-spacing:-.01em}
.kpi .sub{font-size:12px;color:var(--muted);margin-top:3px}
.kpi.ok{border-left-color:var(--ok)} .kpi.ok .val{color:var(--ok)}
.kpi.bad{border-left-color:var(--bad)} .kpi.bad .val{color:var(--bad)}
.kpi.warn{border-left-color:var(--amber)} .kpi.warn .val{color:var(--amber)}

.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:1000px){.grid2{grid-template-columns:1fr}}

table{width:100%;border-collapse:collapse;font-size:13.5px}
th{background:#f2f2fa;text-align:left;padding:10px 11px;font-weight:650;color:var(--ink);
  border-bottom:1px solid var(--line);font-size:11.5px;text-transform:uppercase;letter-spacing:.3px}
th.sortable{cursor:pointer;user-select:none;white-space:nowrap}
th.sortable:hover{color:var(--indigo)}
th.sortable .arr{opacity:.55;font-size:10px}
td{padding:9px 11px;border-bottom:1px solid #eef0f6}
tr:last-child td{border-bottom:none}
td.n,th.n{text-align:right;font-variant-numeric:tabular-nums}
tbody tr:hover{background:#fafaff}

input,select,button,textarea{font-family:inherit;font-size:14px}
textarea{width:100%;padding:9px 11px;border:1.5px solid var(--line);border-radius:10px;background:#fff;resize:vertical;line-height:1.5}
input[type=number],input[type=text],input[type=email],input[type=password],input[type=file],select{
  padding:9px 11px;border:1.5px solid var(--line);border-radius:10px;background:#fff;width:100%}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--indigo);box-shadow:0 0 0 3px var(--indigo-soft)}
label{display:block;font-size:12px;color:var(--muted);margin-bottom:5px;font-weight:600}

.btn{background:var(--indigo);color:#fff;border:none;padding:10px 18px;border-radius:10px;cursor:pointer;font-weight:600;
  transition:background .13s,transform .1s;box-shadow:0 3px 10px rgba(79,70,229,.2)}
.btn:hover{background:var(--indigo-dark)}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.55;cursor:default;box-shadow:none}
.btn.sec{background:#fff;color:var(--indigo);border:1.5px solid var(--line);box-shadow:none}
.btn.sec:hover{background:var(--indigo-soft)}
.btn.mini{padding:5px 11px;font-size:12.5px;box-shadow:none}
.btn.danger{background:#fff;color:var(--bad);border:1.5px solid #f0c4bd;box-shadow:none}
.btn.danger:hover{background:var(--badbg)}

.bars{display:flex;flex-direction:column;gap:10px}
.bar{display:grid;grid-template-columns:200px 1fr 92px;gap:12px;align-items:center;font-size:13.5px}
@media(max-width:640px){.bar{grid-template-columns:120px 1fr 60px}}
.bar .track{display:block;background:#ececf6;border-radius:6px;height:20px;overflow:hidden}
.bar .fill{display:block;height:100%;border-radius:6px;transition:width .35s}
.bar .v{text-align:right;font-variant-numeric:tabular-nums;color:var(--muted);font-size:12.5px}
.bar .lbl{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.empty{text-align:center;padding:48px 22px;color:var(--muted)}
.empty .ico{font-size:34px;margin-bottom:10px}
.empty b{display:block;color:var(--ink);font-size:16px;margin-bottom:6px}

.note{background:var(--indigo-soft);border-left:4px solid var(--indigo);padding:13px 16px;border-radius:0 10px 10px 0;font-size:13.5px;margin:14px 0}
.note.warn{background:var(--amberbg);border-left-color:var(--amber)}
.note.bad{background:var(--badbg);border-left-color:var(--bad)}
.note.ok{background:var(--okbg);border-left-color:var(--ok)}

.tools{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.pill{font-size:11.5px;padding:4px 10px;border-radius:999px;background:#eef0f6;color:var(--muted);font-weight:600}
.pill.admin{background:#e9e7fb;color:#5b4fc9}
.pill.org{background:#e3edfb;color:#2f6fb0}
.pill.draft{background:#eef0f6;color:#6b7180}
.pill.published{background:var(--okbg);color:var(--ok)}
.pill.closed{background:var(--amberbg);color:var(--amber)}
.pill.off{background:#f1f2f5;color:#98a0ad}

.scroll{overflow-x:auto}
.rowflex{display:flex;gap:14px;flex-wrap:wrap;align-items:end}
.rowflex>div{flex:1;min-width:170px}

.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%) translateY(8px);background:var(--ink);color:#fff;
  padding:12px 22px;border-radius:11px;font-size:13.5px;box-shadow:0 10px 30px rgba(20,20,50,.28);z-index:200;
  opacity:0;transition:opacity .2s,transform .2s;pointer-events:none}
.toast.on{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.bad{background:var(--bad)}

.spin{display:inline-block;width:15px;height:15px;border:2.5px solid rgba(255,255,255,.4);border-top-color:#fff;
  border-radius:50%;animation:sp .7s linear infinite;vertical-align:-2px}
.spin.dark{border-color:#dcdcf3;border-top-color:var(--indigo)}
@keyframes sp{to{transform:rotate(360deg)}}
.loadbox{display:flex;align-items:center;gap:12px;padding:22px;color:var(--muted);font-size:14px}

#gate{position:fixed;inset:0;background:linear-gradient(160deg,#4f46e5,#7c5fd6 55%,#b57bcf);display:flex;
  align-items:center;justify-content:center;padding:24px;z-index:100}
#gate .box{background:#fff;border-radius:20px;padding:38px 34px 30px;width:100%;max-width:400px;
  box-shadow:0 24px 60px rgba(20,15,60,.32)}
#gate .brandword{display:inline-block;font-size:11.5px;font-weight:750;letter-spacing:.5px;color:var(--indigo);
  background:var(--indigo-soft);padding:6px 12px;border-radius:999px;margin-bottom:14px}
#gate h2{margin:0 0 5px;font-size:21px;color:var(--ink)}
#gate .s{color:var(--muted);font-size:13.5px;margin:0 0 22px}
#gate .f{margin-bottom:13px}
#gate .btn{width:100%;padding:12px;margin-top:8px}
#gate .err{background:var(--badbg);color:var(--bad);padding:10px 13px;border-radius:9px;font-size:13px;margin-bottom:13px;display:none}
#gate .foot{font-size:11.5px;color:var(--muted);margin-top:20px;padding-top:16px;border-top:1px solid var(--line);line-height:1.6}

.list{display:flex;flex-direction:column;gap:11px}
.listrow{display:flex;align-items:center;gap:14px;padding:14px 16px;border:1px solid var(--line);border-radius:13px;background:#fff;transition:border-color .13s}
.listrow:hover{border-color:#cfd0ec}
.listrow .grow{flex:1;min-width:0}
.listrow .t{font-weight:650;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.listrow .m{font-size:12.5px;color:var(--muted);margin-top:3px}

.drop{border:2px dashed #cfd0ec;border-radius:14px;padding:30px;text-align:center;color:var(--muted);font-size:14px;
  transition:border-color .15s,background .15s;cursor:pointer;background:#fbfbff}
.drop:hover{border-color:var(--indigo)}
.drop.hot{border-color:var(--indigo);background:var(--indigo-soft)}
.drop .ico{font-size:26px;display:block;margin-bottom:8px}

.qcard{border:1px solid var(--line);border-radius:14px;padding:17px 19px;margin-bottom:14px;background:#fff}
.qcard .qhead{display:flex;gap:11px;align-items:flex-start;margin-bottom:9px}
.qcard .qnum{background:var(--indigo);color:#fff;border-radius:8px;font-size:12px;font-weight:700;padding:4px 9px;flex:0 0 auto}
.qopts{display:flex;flex-direction:column;gap:8px;margin-top:8px}
.qopt{display:flex;gap:10px;align-items:center}
.qopt input[type=radio]{width:auto;flex:0 0 auto;accent-color:var(--indigo)}
.qopt .oi{flex:1}
.qopt.correct .oi{border-color:#a8e0c6;background:var(--okbg)}
.muted{color:var(--muted);font-size:12.5px}
.linkbox{display:flex;gap:9px;align-items:center;flex-wrap:wrap;background:var(--indigo-soft);border:1px solid #d6d8fb;
  border-radius:12px;padding:12px 14px;font-size:14px;word-break:break-all}

.topicbars .bar .fill{background:var(--indigo)}
.weakhint{font-size:13px;color:var(--muted);margin:2px 0 15px}
.qstat{border-bottom:1px solid #eef0f6;padding:12px 0}
.qstat:last-child{border-bottom:none}
.qstat .qt{font-size:13.5px;font-weight:550}
.qstat .meta{font-size:12px;color:var(--muted);margin-top:4px;display:flex;gap:12px;flex-wrap:wrap}
.opttag{display:inline-flex;gap:6px;align-items:center;font-size:11.5px;padding:3px 9px;border-radius:999px;
  background:#eef0f6;color:var(--muted);margin:4px 4px 0 0}
.opttag.correct{background:var(--okbg);color:var(--ok)}