:root{
  --ink:#0b1b2b; --ink2:#334155; --mut:#64748b; --faint:#94a3b8;
  --line:#e8edf3; --line2:#eef2f7; --bg:#f6f8fb; --card:#ffffff;
  --brand:#3b60f6; --brand2:#6366f1; --brandsoft:#eef2ff;
  --green:#10b981; --greensoft:#e7f8f0; --amber:#f59e0b; --ambersoft:#fef3e2;
  --red:#ef4444; --redsoft:#fdecec;
  --c0:#3b60f6;--c1:#10b981;--c2:#f59e0b;--c3:#a855f7;--c4:#ec4899;--c5:#06b6d4;--c6:#f97316;--c7:#64748b;
  --r:14px; --rs:10px; --sh:0 1px 2px rgba(16,42,76,.06),0 8px 24px -16px rgba(16,42,76,.18);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,sans-serif;
}
*{box-sizing:border-box;margin:0}
html,body{height:100%}
body{font:15px/1.5 var(--font);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font:inherit;color:var(--ink)}
a{color:var(--brand);text-decoration:none}
.hidden{display:none!important}

/* ---------- login ---------- */
.auth{min-height:100dvh;display:grid;place-items:center;padding:24px;
  background:radial-gradient(1100px 560px at 15% -10%,#e9f0ff,transparent),radial-gradient(900px 480px at 105% 115%,#e6f8ef,transparent),var(--bg)}
.auth .box{width:100%;max-width:400px;background:rgba(255,255,255,.75);backdrop-filter:blur(22px) saturate(1.3);
  border:1px solid rgba(255,255,255,.7);border-radius:26px;padding:36px 30px;box-shadow:0 26px 64px -24px rgba(16,42,76,.3)}
.auth img{height:30px;margin-bottom:22px}
.auth h1{font-size:21px;letter-spacing:-.4px;margin-bottom:4px}
.auth p{color:var(--mut);margin-bottom:24px;font-size:14px}
.field{margin-bottom:14px;text-align:left}
.field label{display:block;font-size:12.5px;font-weight:600;color:var(--ink2);margin-bottom:6px}
.field input{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:#fff;transition:.15s}
.field input:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 4px var(--brandsoft)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 18px;border-radius:12px;font-weight:600;transition:.15s;white-space:nowrap}
.btn.primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 8px 20px -8px rgba(59,96,246,.7);width:100%}
.btn.primary:hover{filter:brightness(1.05)}
.btn.primary:active{transform:translateY(1px)}
.btn.ghost{background:#fff;border:1px solid var(--line);color:var(--ink2)}
.btn.ghost:hover{border-color:#cdd9ea}
.btn.sm{padding:8px 12px;font-size:13px;border-radius:10px}
.btn.danger{color:var(--red)}
.err{color:var(--red);font-size:13px;margin-top:10px;min-height:16px}

/* ---------- shell ---------- */
.shell{display:grid;grid-template-columns:234px 1fr;grid-template-rows:60px 1fr;height:100dvh;
  grid-template-areas:"side top" "side main"}
.topbar{grid-area:top;display:flex;align-items:center;gap:16px;padding:0 24px;background:rgba(255,255,255,.8);
  backdrop-filter:blur(16px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.topbar .crumb{font-weight:600;font-size:16px;letter-spacing:-.2px}
.topbar .sp{flex:1}
.tenant{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--mut)}
.tenant .av{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,#004890,#2E9D57);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:13px}
.side{grid-area:side;background:#fff;border-right:1px solid var(--line);padding:18px 14px;display:flex;flex-direction:column}
.side .logo{display:flex;align-items:center;padding:6px 10px 20px}
.side .logo img{height:28px}
.nav{display:flex;flex-direction:column;gap:3px}
.nav a{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:11px;color:var(--ink2);font-weight:500;font-size:14px;transition:.12s}
.nav a .gl{width:20px;text-align:center;opacity:.8}
.nav a:hover{background:var(--bg)}
.nav a.active{background:var(--brandsoft);color:var(--brand);font-weight:600}
.side .foot{margin-top:auto;padding:12px 10px 4px;border-top:1px solid var(--line2);font-size:12px;color:var(--faint)}
.side .foot button{color:var(--mut);font-size:13px;padding:8px 0}
.side .foot button:hover{color:var(--red)}
.main{grid-area:main;overflow:auto;padding:26px 30px 60px}

/* ---------- page header ---------- */
.ph{display:flex;align-items:flex-end;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.ph h2{font-size:24px;letter-spacing:-.6px}
.ph .desc{color:var(--mut);font-size:14px;margin-top:3px}
.ph .sp{flex:1}

/* ---------- cards / table ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh)}
.grid{display:grid;gap:16px}
.surveys{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
.scard{padding:20px;display:flex;flex-direction:column;gap:14px;transition:.15s;cursor:pointer}
.scard:hover{transform:translateY(-2px);box-shadow:0 16px 34px -18px rgba(16,42,76,.26);border-color:#d7e0ee}
.scard .top{display:flex;align-items:flex-start;gap:10px}
.scard h3{font-size:16.5px;letter-spacing:-.3px;line-height:1.3;flex:1}
.scard .d{color:var(--mut);font-size:13px;line-height:1.45;min-height:19px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.scard .meta{display:flex;gap:18px;padding-top:12px;border-top:1px solid var(--line2);font-size:13px;color:var(--mut)}
.scard .meta b{color:var(--ink);font-weight:700;font-size:16px;display:block}
.scard .acts{display:flex;gap:8px;flex-wrap:wrap}
.pill{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600}
.pill.active{background:var(--greensoft);color:#047857}
.pill.draft{background:#f1f5f9;color:#64748b}
.pill .dot{width:6px;height:6px;border-radius:50%;background:currentColor}
.pill.coupon{background:var(--ambersoft);color:#b45309}

/* empty */
.empty{text-align:center;padding:70px 20px;color:var(--mut)}
.empty .em{font-size:40px;margin-bottom:12px}
.empty h3{color:var(--ink);font-size:18px;margin-bottom:6px}

/* ---------- builder ---------- */
.builder{display:grid;grid-template-columns:1fr 340px;gap:22px;align-items:start}
.bmain{display:flex;flex-direction:column;gap:14px}
.binput{padding:18px 20px}
.binput input.title{width:100%;font-size:22px;font-weight:700;letter-spacing:-.4px;border:0;padding:4px 0}
.binput input.title:focus{outline:0}
.binput textarea{width:100%;border:0;resize:none;color:var(--mut);font-size:14px;margin-top:4px}
.binput textarea:focus{outline:0}
.qitem{padding:16px 18px;display:flex;gap:14px;align-items:flex-start;transition:.12s}
.qitem:hover{border-color:#d7e0ee}
.qhandle{cursor:grab;color:var(--faint);padding-top:4px;font-size:16px;user-select:none}
.qbody{flex:1;min-width:0}
.qrow{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.qtype{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.4px;color:var(--brand);
  background:var(--brandsoft);padding:3px 8px;border-radius:6px}
.qitem input.q,.qitem textarea.q{width:100%;border:1px solid var(--line);border-radius:9px;padding:9px 11px}
.qitem input.q:focus,.qitem textarea.q:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 3px var(--brandsoft)}
.qopts{margin-top:10px;display:flex;flex-direction:column;gap:7px}
.qopts .orow{display:flex;gap:8px;align-items:center}
.qopts .orow input{flex:1;border:1px solid var(--line);border-radius:8px;padding:7px 10px;font-size:13.5px}
.qopts .orow button{color:var(--faint);padding:4px 8px}.qopts .orow button:hover{color:var(--red)}
.qmeta{display:flex;align-items:center;gap:14px;margin-top:11px;font-size:13px;color:var(--mut)}
.qmeta label{display:flex;align-items:center;gap:6px;cursor:pointer}
.qdel{color:var(--faint);padding:4px}.qdel:hover{color:var(--red)}
.addq{position:relative}
.addmenu{position:absolute;z-index:30;top:calc(100% + 6px);left:0;background:#fff;border:1px solid var(--line);
  border-radius:14px;box-shadow:0 18px 40px -16px rgba(16,42,76,.3);padding:8px;display:grid;
  grid-template-columns:1fr 1fr;gap:4px;width:360px}
.addmenu button{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;text-align:left;font-size:13.5px;font-weight:500}
.addmenu button:hover{background:var(--bg)}
.addmenu .gl{width:22px;text-align:center}

/* side panel in builder */
.bside{display:flex;flex-direction:column;gap:16px;position:sticky;top:20px}
.panel{padding:18px 18px}
.panel h4{font-size:12px;text-transform:uppercase;letter-spacing:.5px;color:var(--faint);margin-bottom:14px;font-weight:700}
.panel .fld{margin-bottom:13px}
.panel .fld label{display:block;font-size:13px;font-weight:600;color:var(--ink2);margin-bottom:5px}
.panel .fld input,.panel .fld select,.panel .fld textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#fff}
.panel .fld input:focus,.panel .fld select:focus,.panel .fld textarea:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 3px var(--brandsoft)}
.seg{display:flex;gap:6px;flex-wrap:wrap}
.seg button{padding:8px 12px;border:1px solid var(--line);border-radius:9px;font-size:13px;font-weight:600;color:var(--mut)}
.seg button.on{background:var(--brandsoft);border-color:var(--brand);color:var(--brand)}

/* ---------- responses / stats ---------- */
.filters{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end;margin-bottom:20px}
.filters .fld label{display:block;font-size:12px;font-weight:600;color:var(--ink2);margin-bottom:5px}
.filters .fld input,.filters .fld select{padding:9px 12px;border:1px solid var(--line);border-radius:10px;background:#fff}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin-bottom:22px}
.kpi{padding:18px 20px}
.kpi .n{font-size:30px;font-weight:800;letter-spacing:-1px;line-height:1}
.kpi .l{color:var(--mut);font-size:13px;margin-top:6px}
.kpi .n.green{color:var(--green)}.kpi .n.blue{color:var(--brand)}.kpi .n.amber{color:var(--amber)}
.qstat{padding:20px 22px;margin-bottom:16px}
.qstat .qh{display:flex;align-items:baseline;gap:10px;margin-bottom:16px}
.qstat .qh h4{font-size:15.5px;letter-spacing:-.2px}
.qstat .qh .n{font-size:12.5px;color:var(--faint);margin-left:auto}
.bar{display:grid;grid-template-columns:150px 1fr 54px;gap:12px;align-items:center;margin-bottom:9px;font-size:13.5px}
.bar .lab{color:var(--ink2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bar .track{height:22px;background:var(--line2);border-radius:7px;overflow:hidden}
.bar .fill{height:100%;border-radius:7px;background:linear-gradient(90deg,var(--brand),var(--brand2));min-width:3px;transition:width .5s cubic-bezier(.2,.8,.2,1)}
.bar .val{text-align:right;color:var(--mut);font-variant-numeric:tabular-nums}
.bigavg{display:flex;align-items:center;gap:20px;margin-bottom:14px}
.bigavg .big{font-size:40px;font-weight:800;letter-spacing:-1.5px}
.bigavg .stars{font-size:22px;color:var(--amber);letter-spacing:2px}
.bigavg .npsbadge{font-size:13px;font-weight:700;padding:6px 12px;border-radius:999px}
.texts{display:flex;flex-direction:column;gap:9px;max-height:320px;overflow:auto}
.texts .t{padding:11px 14px;background:var(--bg);border-radius:11px;font-size:14px;color:var(--ink2);border:1px solid var(--line2)}
.chip{display:inline-block;width:11px;height:11px;border-radius:3px;margin-right:2px}

/* ---------- modal ---------- */
.modal-bg{position:fixed;inset:0;background:rgba(15,30,52,.42);backdrop-filter:blur(3px);z-index:100;display:grid;place-items:center;padding:20px}
.modal{background:#fff;border-radius:20px;max-width:440px;width:100%;padding:26px;box-shadow:0 30px 70px -20px rgba(16,42,76,.4)}
.modal h3{font-size:18px;margin-bottom:6px}
.modal p{color:var(--mut);font-size:14px;margin-bottom:20px}
.modal .row{display:flex;gap:10px;justify-content:flex-end}

/* toast */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);opacity:0;
  background:var(--ink);color:#fff;padding:12px 20px;border-radius:12px;font-size:14px;font-weight:500;
  box-shadow:0 14px 34px -10px rgba(0,0,0,.4);transition:.25s;z-index:200;pointer-events:none}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

@media(max-width:860px){
  .shell{grid-template-columns:1fr;grid-template-areas:"top" "main"}
  .side{display:none}
  .builder{grid-template-columns:1fr}
  .bside{position:static}
}

/* ---- Phase 2: coupon delivery panel + worker leaderboard ---- */
.deliv{margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
.deliv h5{margin:0 0 10px;font-size:13px;font-weight:700;color:var(--ink)}
.dchk{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--ink);padding:7px 0;cursor:pointer}
.dchk input{width:17px;height:17px;accent-color:var(--brand,#3b82f6)}
.dchk .live{font-size:10.5px;font-weight:700;color:#047857;background:#d1fae5;padding:2px 7px;border-radius:99px;margin-left:auto}
.dchk .soon{font-size:10.5px;font-weight:700;color:#b45309;background:#fef3c7;padding:2px 7px;border-radius:99px;margin-left:auto}
.dhint{font-size:12px;color:var(--mut);margin:6px 0 10px;line-height:1.5}
#dtpls{margin-top:6px}
#dtpls code{background:#f1f5f9;padding:1px 5px;border-radius:5px;font-size:11px}
.hidden{display:none}

/* ---- V4: overview dashboard, devices, drill-down ---- */
.muted{color:var(--faint);font-size:13.5px}
.subh{font-size:15px;font-weight:700;margin:0 0 14px;color:var(--ink);display:flex;align-items:center;gap:10px}
.dgrid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}
.dpanel{padding:20px 22px}
.dph{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:16px}
.dph h4{font-size:15px;letter-spacing:-.2px}
.dph span{font-size:12px;color:var(--faint)}
.trend{height:160px;display:flex;flex-direction:column}
.trend .tbars{flex:1;display:flex;align-items:flex-end;gap:3px}
.trend .tbar{flex:1;display:flex;align-items:flex-end;min-width:3px;background:var(--line2);border-radius:4px 4px 0 0;overflow:hidden}
.trend .tfill{width:100%;background:linear-gradient(180deg,var(--brand),var(--brand2));border-radius:4px 4px 0 0;min-height:2px;transition:height .5s}
.trend .taxis{display:flex;justify-content:space-between;color:var(--faint);font-size:11px;margin-top:8px}
.feed{display:flex;flex-direction:column;gap:2px;max-height:200px;overflow:auto}
.fitem{display:flex;align-items:center;gap:11px;padding:9px 4px;border-bottom:1px solid var(--line2)}
.fitem .dot{width:8px;height:8px;border-radius:50%;background:var(--green);flex:none}
.fitem .fx{flex:1;min-width:0}
.fitem .fx b{display:block;font-size:13.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fitem .fx span{font-size:12px;color:var(--mut)}
.fitem time{font-size:11.5px;color:var(--faint);white-space:nowrap}
.commons .bar{grid-template-columns:140px 1fr 40px}
.pslist{display:flex;flex-direction:column;gap:2px}
.psrow{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 4px;border-bottom:1px solid var(--line2);cursor:pointer}
.psrow:hover{background:var(--bg)}
.psrow .psn b{font-size:14px}
.psrow .psm{font-size:12.5px;color:var(--mut);white-space:nowrap}
.alertrow{display:flex;align-items:center;gap:12px;padding:10px 4px;border-bottom:1px solid var(--line2)}
.alertrow .badge{font-size:11.5px;font-weight:800;padding:4px 9px;border-radius:8px;white-space:nowrap;background:var(--redsoft);color:#b91c1c}
.alertrow .badge.low_star{background:var(--ambersoft);color:#b45309}
.alertrow .ax{flex:1;min-width:0}
.alertrow .ax b{display:block;font-size:13.5px}
.alertrow .ax span{font-size:12.5px;color:var(--mut);display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.alertrow time{font-size:11.5px;color:var(--faint);white-space:nowrap}
.tbl{width:100%;border-collapse:collapse;font-size:13.5px}
.tbl th,.tbl td{text-align:left;padding:11px 16px;border-bottom:1px solid var(--line2)}
.tbl th{color:var(--faint);font-size:11px;text-transform:uppercase;letter-spacing:.4px;font-weight:700}
.tbl tbody tr:hover{background:var(--bg)}
.rdlist{display:flex;flex-direction:column;gap:10px;max-height:60vh;overflow:auto;margin-top:6px}
.rdrow{padding:11px 14px;background:var(--bg);border-radius:11px;border:1px solid var(--line2)}
.rdrow .rdq{font-size:12.5px;color:var(--mut);margin-bottom:3px}
.rdrow .rda{font-size:15px;font-weight:600;color:var(--ink)}
.themes{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.chip2{background:var(--brandsoft);color:var(--brand);border-radius:999px;padding:5px 12px;font-size:12.5px}
.chip2 b{color:#1e3a8a}
@media(max-width:860px){.dgrid{grid-template-columns:1fr}}