:root{
  --navy:#1f3fd1; --navy-2:#2b56e8; --brand:#2a5bf5; --brand-ink:#fff; --brand-soft:#e9f0ff;
  --bg:#f5f6f8; --card:#fff; --ink:#1c2433; --muted:#667085; --line:#e4e7ec; --line-2:#eef0f3;
  --ok:#8fbc3b; --ok2:#cfe57a; --bad:#c9364b; --bad2:#e8692c; --skip:#9aa4b2; --skip2:#c9d0da;
  --loop:#f0a73a; --back:#16217a; --nom:#f6d743;
  --radius:12px; --shadow:0 1px 2px rgba(16,24,40,.05);
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.5 "Nunito Sans",Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
a{color:var(--brand)}
.hidden{display:none!important}
h1{font-size:26px;line-height:1.2;margin:0 0 6px;font-weight:700}
h2{font-size:19px;margin:0 0 12px;font-weight:700}
h3{font-size:15px;margin:0 0 8px;font-weight:700}
p{margin:0 0 10px}
.muted{color:var(--muted)} .small{font-size:12.5px} .tiny{font-size:11.5px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.col{display:flex;flex-direction:column;gap:8px}
.spacer{flex:1}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media (max-width:900px){.grid2,.grid3{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.card.flat{box-shadow:none}
.btn{border:1px solid transparent;border-radius:999px;padding:9px 18px;background:var(--navy);color:#fff;font-weight:700;font-size:13.5px;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.btn:hover{filter:brightness(1.08)}
.btn.line{background:#fff;color:var(--ink);border-color:var(--line)}
.btn.ghost{background:transparent;color:var(--navy);padding:8px 10px}
.btn.danger{background:#fff;color:var(--bad);border-color:#f3c7ce}
.btn.sm{padding:6px 12px;font-size:12.5px}
.btn:disabled{opacity:.45;cursor:default;filter:none}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;background:var(--line-2);color:var(--muted)}
.chip.live{background:#e6f6ec;color:#16794a}.chip.draft{background:#fff4e0;color:#9a5b00}.chip.closed{background:#eef0f3;color:#475467}
.chip.warn{background:#fff4e0;color:#9a5b00}
label.f{display:block;font-weight:700;font-size:12.5px;margin:14px 0 6px;color:#344054}
input[type=text],input[type=number],input[type=email],input[type=password],input[type=date],select,textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:9px 11px;background:#fff}
input:disabled,textarea:disabled,select:disabled{background:#f7f8fa;color:#667085}
textarea{min-height:84px;resize:vertical}
textarea.code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px;min-height:420px;white-space:pre;tab-size:2}
.check{display:flex;gap:8px;align-items:flex-start;padding:5px 0;font-size:13.5px;cursor:pointer}
.check input{margin-top:3px}
.help{font-size:12px;color:var(--muted);margin-top:4px}
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 16px;border-radius:10px;font-size:13.5px;z-index:90;max-width:90vw}
.err{background:#fdecee;color:#8a1f2d;border-radius:8px;padding:9px 12px;font-size:13px;margin-top:10px}
.note{background:#fff8e6;border:1px solid #f3dfae;border-radius:10px;padding:10px 14px;font-size:13px;margin-bottom:14px}
.note.info{background:#eef4ff;border-color:#cfdcfb}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{text-align:left;padding:9px 8px;border-bottom:1px solid var(--line-2);vertical-align:top}
th{font-size:12px;color:var(--muted);font-weight:700;white-space:nowrap}
td.num,th.num{text-align:right;white-space:nowrap}
.overlay{position:fixed;inset:0;background:rgba(15,23,42,.5);display:flex;align-items:flex-start;justify-content:center;padding:40px 16px;z-index:60;overflow:auto}
.modal{background:#fff;border-radius:16px;max-width:560px;width:100%;padding:26px;position:relative}
.modal.wide{max-width:920px}
.modal .x{position:absolute;top:14px;right:14px;border:1px solid var(--line);background:#fff;border-radius:8px;width:30px;height:30px}

/* ===== Admin shell ===== */
.top{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.top .in{max-width:1240px;margin:0 auto;padding:10px 20px;display:flex;align-items:center;gap:14px}
.logo{display:flex;align-items:center;gap:8px;font-weight:800;font-size:19px;color:#14234f;letter-spacing:-.02em;text-decoration:none}
.logo .mark{width:26px;height:26px;border-radius:7px;background:var(--navy);color:#fff;display:grid;place-items:center;font-size:16px}
.logo small{font-weight:600;color:var(--muted);font-size:12px;letter-spacing:0}
.steps{display:flex;align-items:center;gap:0;margin:0 auto}
.steps a{padding:6px 16px;border:1px solid var(--line);border-radius:999px;font-weight:700;font-size:13px;color:var(--ink);text-decoration:none;background:#fff}
.steps a.on{background:#fff4dc;border-color:#f5cf86}
.steps i{width:16px;height:1px;background:var(--line)}
.wrap{max-width:1240px;margin:0 auto;padding:22px 20px 80px}
.head{display:flex;align-items:center;gap:14px;margin-bottom:16px;flex-wrap:wrap}
.head .ic{width:46px;height:46px;border-radius:12px;background:var(--brand-soft);display:grid;place-items:center;color:var(--navy);font-size:22px}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:18px;overflow-x:auto}
.tabs a{padding:10px 14px;font-weight:700;color:var(--muted);text-decoration:none;border-bottom:3px solid transparent;white-space:nowrap;cursor:pointer}
.tabs a.on{color:var(--ink);border-color:#f0a73a}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:20px}
@media (max-width:980px){.layout{grid-template-columns:1fr}}
.side .card{position:sticky;top:80px}
.lockbar{background:#eef0f3;color:#475467;border-radius:10px;padding:10px 14px;font-size:13px;margin-bottom:16px;text-align:center}
.listitem{display:flex;align-items:center;gap:12px;padding:14px 16px;border:1px solid var(--line);border-radius:12px;background:#fff;margin-bottom:10px}
.listitem:hover{border-color:#cbd2dd}
.listitem .t{font-weight:700;font-size:15px}
.sec{border:1px solid var(--line);border-radius:12px;background:#fff;margin-bottom:12px}
.sec>.h{display:flex;align-items:center;gap:10px;padding:12px 14px;cursor:pointer}
.sec>.h .t{flex:1;font-weight:700;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sec>.b{padding:0 14px 14px;border-top:1px solid var(--line-2)}
.crumb{display:inline-flex;flex-wrap:wrap;align-items:center;gap:4px;font-size:12.5px;color:var(--muted)}
.crumb b{color:var(--ink);font-weight:700}
.crumb .sep{opacity:.6}
.answers{max-height:280px;overflow:auto;border:1px solid var(--line);border-radius:8px;background:#fff;padding:6px 10px;margin-top:6px}
.treeprev{font-size:13px;max-height:520px;overflow:auto}
.treeprev ul{list-style:none;margin:0;padding-left:16px;border-left:1px dashed var(--line)}
.treeprev>ul{border:0;padding-left:0}
.treeprev li{padding:2px 0}

/* ===== Results ===== */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin-bottom:16px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.kpi .v{font-size:26px;font-weight:800}
.kpi .k{font-size:12px;color:var(--muted);font-weight:700}
.panel-title{display:flex;align-items:center;gap:8px;justify-content:center;font-weight:700;font-size:15px;padding:14px;border-bottom:1px solid var(--line-2);margin:-20px -20px 16px}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:12.5px;color:var(--muted)}
.legend i{display:inline-block;width:11px;height:11px;border-radius:50%;margin-right:6px;vertical-align:-1px}
.kv{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-bottom:1px solid var(--line-2);font-size:13px}
.kv span:first-child{color:var(--muted)}
.kv b{font-weight:700;text-align:right}
.navtask{display:flex;gap:8px;align-items:center;margin-bottom:14px}
.navtask select{flex:1;font-weight:700}
.navtask .btn{border-radius:10px;padding:9px 12px}
.anlist .listitem{cursor:pointer}
.score{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;font-size:22px;font-weight:800;border:4px solid}
.pathrow td{font-size:13px}
.path{display:inline;line-height:1.9}
.path .s{color:var(--muted);margin:0 5px;font-weight:700}
.path .last{font-weight:700}
.rcards{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:14px}
.rcard{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px}
.rcard.excl{opacity:.55}
.rcard .t{font-weight:800;font-size:17px;cursor:pointer}
.switch{position:relative;display:inline-block;width:38px;height:22px}
.switch input{opacity:0;width:0;height:0}
.switch span{position:absolute;inset:0;background:#d0d5dd;border-radius:22px;transition:.15s;cursor:pointer}
.switch span:before{content:"";position:absolute;width:16px;height:16px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.15s}
.switch input:checked+span{background:#f0a73a}
.switch input:checked+span:before{transform:translateX(16px)}
.dest td.c{text-align:center;font-weight:700;min-width:38px}
.dest td.ok{background:#d6ecb0}.dest td.l1{background:#fbe3e6}.dest td.l2{background:#f6b8c0}.dest td.l3{background:#e9798a;color:#fff}
.dest td.lbl{white-space:nowrap;max-width:420px;overflow:hidden;text-overflow:ellipsis}
.qblock{margin-bottom:18px}
.barh{display:flex;align-items:center;gap:8px;margin:5px 0;font-size:13px}
.barh .bk{flex:0 0 170px;height:10px;background:var(--line-2);border-radius:5px;overflow:hidden}
.barh .bk div{height:100%;background:var(--navy-2)}
.svgwrap{overflow:auto;border:1px solid var(--line-2);border-radius:10px;background:#fcfcfd}
.insight{border:1px solid var(--line);border-radius:12px;padding:14px;background:#fff;margin-bottom:10px}

/* ===== Participant ===== */
body.pt{background:#fff}
.pt-top{display:flex;align-items:center;gap:12px;padding:12px 22px;border-bottom:1px solid #eceef3;position:sticky;top:0;background:#fff;z-index:10}
.pt-top .banner{margin:0 auto;background:#fdf0c9;color:#8a6a10;font-size:12px;font-weight:700;padding:6px 14px;border-radius:8px}
.pt-top a{font-size:12.5px;font-weight:700;color:#475467;text-decoration:none;cursor:pointer;white-space:nowrap}
.pt-main{max-width:640px;margin:0 auto;padding:34px 20px 150px}
.pt-main h1{font-size:28px}
.pt-main .lead{font-size:15px;line-height:1.65}
.pt-bottom{position:fixed;left:12px;right:12px;bottom:10px;background:#f3f2ee;border-radius:12px;padding:12px 18px 14px;display:flex;align-items:center;gap:12px;z-index:10}
.pt-bottom .st{font-weight:700;font-size:14px}
.pt-bottom .pg{position:absolute;left:0;right:0;bottom:0;height:4px;border-radius:0 0 12px 12px;overflow:hidden;background:#e3e1da}
.pt-bottom .pg div{height:100%;background:var(--ok);transition:width .3s}
.pt-btn{background:var(--pb,#2563eb);color:#fff;border:0;border-radius:8px;padding:11px 26px;font-weight:700}
.pt-btn:disabled{opacity:.45}
.pt-task{background:#f3f2ee;border-radius:10px;padding:16px 18px;font-size:14.5px;line-height:1.6;margin:14px 0 20px}
.pt-fs{border:1px solid #e4e4e0;border-radius:12px;padding:12px 14px 14px;position:relative;margin-top:10px}
.pt-fs .lg{position:absolute;top:-11px;left:14px;background:#fff;padding:0 6px;font-weight:700;font-size:13.5px}
.pt-tree{list-style:none;margin:0;padding:0}
.pt-tree .pt-tree{margin-left:14px;padding-left:16px;border-left:1px solid #dcdcd6}
.pt-node{display:flex;align-items:flex-start;gap:8px;background:#f3f2ee;border-radius:8px;padding:9px 12px;margin:6px 0;cursor:pointer;user-select:none;font-size:14px;line-height:1.45}
.pt-node:hover{background:#ebeae5}
.pt-node.open{background:#fff;box-shadow:0 1px 6px rgba(0,0,0,.08);font-weight:700}
.pt-node .tri{color:var(--pb,#2563eb);font-size:10px;margin-top:4px;transition:transform .12s;flex:none}
.pt-node.open .tri{transform:rotate(90deg)}
.pt-pick{margin:4px 0 8px 22px;background:#f0a73a;color:#fff;border:0;border-radius:6px;padding:9px 16px;font-weight:700;box-shadow:0 0 0 3px #fde7c0}
.pt-q{border:1px solid #e4e4e0;border-radius:12px;padding:16px;margin:12px 0 26px;position:relative}
.pt-q .qt{position:absolute;top:-12px;left:12px;background:#fff;padding:0 6px;font-weight:700;font-size:14px;max-width:calc(100% - 24px)}
.pt-q .opts label{display:flex;gap:10px;align-items:center;padding:5px 0;font-size:14px;cursor:pointer}
.likert{display:flex;gap:8px}
.likert button{flex:1;border:1px solid #e0e0db;background:#fff;border-radius:8px;padding:10px 0;font-weight:700}
.likert button.on{background:var(--pb,#2563eb);border-color:var(--pb,#2563eb);color:#fff}
.req{color:var(--bad)}
.pt-skip{background:none;border:0;color:#475467;font-weight:700;text-decoration:underline;padding:0}