:root{
  --navy:#122240; --navy-2:#1b3054; --gold:#c9a227;
  --ink:#16202e; --muted:#5a6472; --line:#dde2ea; --bg:#f4f6f9;
  --ok:#1f7a45; --ok-bg:#e8f5ec; --bad:#a3261f; --bad-bg:#fbeceb;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--ink);
  font:16px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-text-size-adjust:100%;
}
.wrap{max-width:780px;margin:0 auto;padding:0 16px}
.topbar{background:var(--navy);color:#fff}
.bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand strong{display:block;font-size:17px;line-height:1.2}
.brand small{display:block;color:#b9c4d6;font-size:12px}
.logo{
  flex:0 0 auto;height:42px;width:auto;background:#fff;padding:5px 9px;border-radius:7px;
  display:block
}
@media (max-width:420px){ .logo{height:34px;padding:4px 7px} }
.langs{display:flex;gap:6px;flex-wrap:wrap}
.langs a{
  color:#cdd7e6;text-decoration:none;font-size:13px;padding:5px 9px;border-radius:999px;
  border:1px solid transparent
}
.langs a.on{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.25);color:#fff}

main{padding:22px 0 40px}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px}
.card.wide{max-width:none}
.card.narrow{max-width:420px;margin:0 auto}
h1{margin:0 0 14px;font-size:22px;letter-spacing:-.2px}
h2{font-size:16px;margin:0 0 6px}
.steps{margin:0 0 20px;padding-left:20px}
.steps li{margin-bottom:8px}

.btn{
  display:inline-block;background:var(--navy);color:#fff;border:0;border-radius:8px;
  padding:13px 20px;font-size:16px;font-weight:600;cursor:pointer;text-decoration:none;
  margin:6px 8px 0 0
}
.btn:hover{background:var(--navy-2)}
.btn.ghost{background:#fff;color:var(--navy);border:1px solid var(--navy)}
.btn.small{padding:8px 12px;font-size:14px}
.btn:disabled,.btn[disabled]{background:#c7ced9;color:#6d7787;cursor:not-allowed}

label{display:block;margin:0 0 14px;font-size:14px;color:var(--muted)}
input[type=text],input[type=email],input[type=password],input:not([type]),select{
  width:100%;margin-top:5px;padding:12px;font-size:16px;color:var(--ink);
  border:1px solid var(--line);border-radius:8px;background:#fff
}
input:focus,select:focus{outline:2px solid var(--navy);outline-offset:1px;border-color:var(--navy)}
.row{display:flex;gap:14px;flex-wrap:wrap}
.row>label{flex:1 1 220px}
fieldset.idbox{border:1px solid var(--line);border-radius:10px;padding:14px;margin:0 0 16px}
fieldset.idbox legend{padding:0 6px;font-size:13px;color:var(--muted)}
.radio{display:inline-flex;align-items:center;gap:8px;margin:0 18px 12px 0;color:var(--ink)}
.radio input{width:auto;margin:0}
.err{display:block;color:var(--bad);font-style:normal;font-size:13px;margin-top:5px}

.q{border-top:1px solid var(--line);padding:18px 0}
.q:first-of-type{border-top:0;padding-top:0}
.q h2{color:var(--muted);font-size:13px;text-transform:uppercase;letter-spacing:.6px}
.qt{font-size:17px;font-weight:600;margin:0 0 12px}
.opt{
  display:flex;gap:11px;align-items:flex-start;border:1px solid var(--line);border-radius:9px;
  padding:12px;margin:0 0 9px;color:var(--ink);cursor:pointer
}
.opt:hover{border-color:var(--navy)}
.opt input{width:auto;margin:3px 0 0}
.opt:has(input:checked){border-color:var(--navy);background:#f2f5fb}
.note{color:var(--bad);font-weight:600}
.muted{color:var(--muted)}
.playerbox{position:relative;background:#000;border-radius:10px;overflow:hidden;margin:14px 0}
.playerbox video{display:block;width:100%;height:auto}
.cpbox{background:var(--navy);color:#fff;padding:18px;border-radius:10px;margin:14px 0}
.cpbox h2{color:var(--gold);font-size:12px;text-transform:uppercase;letter-spacing:.8px}
.cpbox .qt{color:#fff;font-size:17px}
.cpopt{display:block;width:100%;text-align:left;background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.25);color:#fff;font-size:15px;cursor:pointer}
.cpopt:hover{background:rgba(255,255,255,.16);border-color:#fff}
.speeds{display:flex;align-items:center;gap:7px;margin:0 0 12px;flex-wrap:wrap}
.speeds span{color:var(--muted);font-size:13px;margin-right:2px}
.rate{
  background:#fff;border:1px solid var(--line);border-radius:999px;color:var(--ink);
  font-size:14px;font-weight:600;padding:7px 14px;cursor:pointer;min-width:52px
}
.rate:hover{border-color:var(--navy)}
.rate.on{background:var(--navy);border-color:var(--navy);color:#fff}
.progressbar{height:8px;background:var(--line);border-radius:999px;overflow:hidden;margin:4px 0 8px}
.progressbar span{display:block;height:100%;width:0;background:var(--navy);transition:width .4s}
.banner{background:#fff6e0;border:1px solid #e8cf94;border-left:5px solid var(--gold);
  border-radius:9px;padding:12px 14px;margin:0 0 16px;font-weight:600}
.banner p{margin:0 0 4px}
.banner .btn{margin-top:6px}
.validity{display:inline-block;background:#eef4ff;border:1px solid #cddcf7;border-radius:999px;
  padding:6px 14px;font-weight:600;color:#1d3a6e;margin:4px 0 10px}
.attempt{color:var(--muted);font-size:13px;margin:0 0 12px}

.card.pass{border-left:5px solid var(--ok)}
.card.pass h1{color:var(--ok)}
.card.fail{border-left:5px solid var(--bad)}
.card.fail h1{color:var(--bad)}
.topics{margin:6px 0 16px;padding-left:20px}
.topics li{margin-bottom:4px;font-weight:600}

.foot{color:var(--muted);font-size:12px;padding-bottom:26px}

/* admin */
.adminhead{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.stats{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0}
.stats div{flex:1 1 110px;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.stats b{display:block;font-size:22px}
.stats span{font-size:12px;color:var(--muted)}
.stats .warn{background:var(--bad-bg);border-color:#f0c9c6}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.filters input{flex:1 1 220px;margin:0}
.filters label.tight{margin:0;flex:0 0 auto}
.filters select{flex:0 0 150px;margin:0}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:9px 8px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.5px}
td small{display:block;color:var(--muted);font-size:11px}
td.num{text-align:right;font-variant-numeric:tabular-nums}
tr.flagged{background:var(--bad-bg)}
.tag{background:var(--bad);color:#fff;border-radius:4px;padding:1px 6px;font-size:11px}
.kv th{width:150px}
.dangerbox{
  background:var(--bad-bg);border:1px solid #f0c9c6;border-left:5px solid var(--bad);
  border-radius:10px;padding:16px;margin:26px 0 6px
}
.dangerbox h2{color:var(--bad)}
.dangerbox label{color:var(--ink)}
.btn.danger{background:var(--bad)}
.btn.danger:hover{background:#87201a}
.flagbox{background:var(--bad-bg);border:1px solid #f0c9c6;border-radius:10px;padding:12px;margin:14px 0}
.flagbox pre{white-space:pre-wrap;font-size:12px;margin:8px 0}

@media (max-width:640px){
  .card{padding:16px}
  h1{font-size:20px}
  table{font-size:13px}
}