:root{
  /* BlackFox Partners — charte graphique officielle */
  --bf-beige: #ece2d9;
  --bf-gold: #cdab55;
  --bf-orange: #d99b72;
  --bf-blue: #263554;
  --bf-blue-deep: #212934;
  --ink: #212934;
  --ink-soft: #5b6472;
  --paper: #fbf9f7;
  --panel: #ffffff;
  --line: #e4ddd4;
  --steel: var(--bf-blue);
  --steel-deep: var(--bf-blue-deep);
  --signal: #b3823f;
  --signal-soft: #f4ead4;
  --ok: #3f6b4a;
  --ok-soft: #e6ede6;
  --bad: #a3452e;
  --bad-soft: #f6e6df;
  --mono: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;
  --serif: 'Source Serif 4', 'Iowan Old Style', Georgia, serif;
  --sans: 'Aptos', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
}
@font-face {
  font-family: 'Aptos';
  src: local('Aptos'), local('Segoe UI');
}
* { box-sizing: border-box; }
body{
  margin:0;
  background:var(--paper);
  background-image:
    linear-gradient(135deg, transparent 0%, transparent 55%, var(--bf-beige) 55%, var(--bf-beige) 68%, transparent 68%),
    linear-gradient(135deg, transparent 0%, transparent 60%, var(--bf-orange) 60%, var(--bf-orange) 64%, transparent 64%);
  background-repeat: no-repeat;
  background-position: 100% 0%, 100% 0%;
  background-size: 640px 640px, 640px 640px;
  background-attachment: fixed;
  color:var(--ink);
  font-family:var(--sans);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
.wrap{
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}
/* ---------- BRAND BAR ---------- */
.brand-bar{
  background: var(--bf-blue-deep);
  color: #fff;
  margin: -48px -24px 40px;
  padding: 18px 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  position:relative;
  overflow:hidden;
}
.brand-bar::after{
  content:"";
  position:absolute;
  top:0; right:0; bottom:0;
  width:220px;
  background:
    linear-gradient(135deg, transparent 45%, rgba(217,155,114,0.28) 45%, rgba(217,155,114,0.28) 58%, transparent 58%),
    linear-gradient(135deg, transparent 55%, rgba(236,226,217,0.14) 55%, rgba(236,226,217,0.14) 72%, transparent 72%);
  pointer-events:none;
}
.brand-wordmark{
  display:flex;
  align-items:baseline;
  gap:2px;
  font-family:var(--sans);
  font-weight:700;
  font-size:17px;
  letter-spacing:-0.01em;
  position:relative;
  z-index:1;
}
.brand-wordmark .fox{ color: var(--bf-gold); }
.brand-wordmark .partners{
  font-weight:400;
  font-size:12px;
  color: rgba(255,255,255,0.68);
  margin-left:8px;
  letter-spacing:.06em;
  text-transform:uppercase;
}
.brand-tag{
  font-family:var(--mono);
  font-size:10.5px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color: rgba(255,255,255,0.55);
  position:relative;
  z-index:1;
}
/* ---------- HEADER ---------- */
header{
  border-bottom: 2px solid var(--ink);
  padding-bottom: 20px;
  margin-bottom: 8px;
}
.kicker{
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--ink-soft);
  margin-bottom:14px;
}
.kicker .dot{ color:var(--signal); }
h1{
  font-family:var(--serif);
  font-weight:600;
  font-size:clamp(26px,4.5vw,36px);
  margin:0 0 8px;
  letter-spacing:-0.01em;
}
.domain-line{
  font-family:var(--mono);
  font-size:13px;
  color:var(--steel);
  display:flex;
  gap:10px;
  align-items:center;
  flex-wrap:wrap;
}
.domain-line .tag{
  background:var(--steel-deep);
  color:#fff;
  padding:3px 9px;
  border-radius:2px;
  font-size:11px;
  letter-spacing:.04em;
}
/* ============================================================
   SETUP SCREEN
   ============================================================ */
#setup-screen{ display:block; }
#setup-screen.hidden{ display:none; }
.setup-intro{
  font-family:var(--serif);
  font-size:16.5px;
  color:var(--ink-soft);
  margin: 24px 0 36px;
  max-width: 58ch;
  line-height:1.6;
}
.setup-block{
  margin-bottom: 34px;
}
.setup-label{
  display:flex;
  align-items:baseline;
  gap:10px;
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--ink-soft);
  margin-bottom:14px;
}
.setup-label .step-index{
  color:var(--signal);
  font-weight:700;
}
.setup-label::after{
  content:"";
  flex:1;
  height:1px;
  background:var(--line);
}
/* --- question count control --- */
.count-control{
  background:var(--panel);
  border:1px solid var(--line);
  padding: 22px 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 20px;
}
.count-value{
  font-family:var(--serif);
  font-size:40px;
  font-weight:600;
  color:var(--ink);
  min-width: 56px;
}
.count-slider-wrap{
  flex:1;
}
input[type="range"]{
  width:100%;
  -webkit-appearance:none;
  appearance:none;
  height:4px;
  background:var(--line);
  outline:none;
  margin: 12px 0 8px;
}
input[type="range"]::-webkit-slider-thumb{
  -webkit-appearance:none;
  appearance:none;
  width:18px; height:18px;
  border-radius:50%;
  background:var(--steel-deep);
  cursor:pointer;
  border: 3px solid #fff;
  box-shadow: 0 0 0 1px var(--steel-deep);
}
input[type="range"]::-moz-range-thumb{
  width:18px; height:18px;
  border-radius:50%;
  background:var(--steel-deep);
  cursor:pointer;
  border: 3px solid #fff;
  box-shadow: 0 0 0 1px var(--steel-deep);
}
.count-ticks{
  display:flex;
  justify-content:space-between;
  font-family:var(--mono);
  font-size:10.5px;
  color:var(--ink-soft);
}
.count-meta{
  font-family:var(--mono);
  font-size:11px;
  color:var(--ink-soft);
  text-align:right;
}
/* --- category grid --- */
.cat-toolbar{
  display:flex;
  gap:8px;
  margin-bottom:14px;
}
.cat-toolbar button{
  font-family:var(--mono);
  font-size:10.5px;
  letter-spacing:.04em;
  text-transform:uppercase;
  background:transparent;
  border:1px solid var(--line);
  color:var(--ink-soft);
  padding:6px 12px;
  cursor:pointer;
}
.cat-toolbar button:hover{
  border-color:var(--steel);
  color:var(--steel);
}
.cat-grid{
  display:grid;
  grid-template-columns: 1fr;
  gap:10px;
}
.cat-card{
  background:var(--panel);
  border:1px solid var(--line);
  padding: 16px 18px;
  display:flex;
  align-items:flex-start;
  gap:14px;
  cursor:pointer;
  transition: border-color .15s ease, background .15s ease;
}
.cat-card:hover{
  border-color:var(--steel);
  background:#eef1f3;
}
.cat-card.selected{
  border-color:var(--steel-deep);
  background:#e7ecf0;
}
.cat-card .marker{
  flex:0 0 auto;
  width:18px; height:18px;
  border-radius:2px;
  border:1.5px solid var(--ink-soft);
  margin-top:2px;
  display:flex; align-items:center; justify-content:center;
  font-size:11px;
  color:transparent;
}
.cat-card.selected .marker{
  border-color:var(--steel-deep);
  background:var(--steel-deep);
  color:#fff;
}
.cat-card .cat-body{ flex:1; }
.cat-card .cat-head{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:3px;
}
.cat-card .cat-domain-num{
  font-family:var(--mono);
  font-size:10.5px;
  color:var(--signal);
  letter-spacing:.04em;
}
.cat-card .cat-name{
  font-family:var(--serif);
  font-size:16.5px;
  font-weight:600;
  color:var(--ink);
}
.cat-card .cat-desc{
  font-size:13px;
  color:var(--ink-soft);
  line-height:1.45;
}
.cat-card .cat-count{
  font-family:var(--mono);
  font-size:10px;
  color:var(--ink-soft);
  margin-top:6px;
  letter-spacing:.03em;
}
.setup-error{
  display:none;
  font-family:var(--mono);
  font-size:12px;
  color:var(--bad);
  background:var(--bad-soft);
  border:1px solid var(--bad);
  padding:10px 14px;
  margin-bottom:20px;
}
.setup-error.active{ display:block; }
.setup-footer{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-top: 8px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.setup-summary{
  font-family:var(--mono);
  font-size:11.5px;
  color:var(--ink-soft);
  line-height:1.6;
}
.setup-summary strong{ color:var(--ink); }
/* --- history panel --- */
.history-block{ margin-top: 34px; }
.history-empty{
  font-family:var(--mono);
  font-size:11.5px;
  color:var(--ink-soft);
}
.history-row{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:10px 4px;
  border-bottom:1px solid var(--line);
  font-size:13px;
  gap:12px;
}
.history-row .hleft{
  display:flex;
  flex-direction:column;
  gap:3px;
}
.history-row .hdate{
  font-family:var(--mono);
  font-size:10px;
  color:var(--ink-soft);
  text-transform:uppercase;
  letter-spacing:.04em;
}
.history-row .hscore{
  font-family:var(--mono);
  font-size:13px;
  color:var(--ink);
  flex:0 0 auto;
}
/* ============================================================
   QUIZ SCREEN (shared with previous version)
   ============================================================ */
#quiz-screen{ display:none; }
#quiz-screen.active{ display:block; }
.progress-row{
  margin: 28px 0 36px;
  display:flex;
  gap:6px;
}
.progress-seg{
  flex:1;
  height:4px;
  background:var(--line);
}
.progress-seg.done{ background:var(--steel); }
.progress-seg.current{ background:var(--signal); }
.card{
  background:var(--panel);
  border:1px solid var(--line);
  padding: 32px 30px 28px;
  margin-bottom:24px;
  display:none;
  animation: rise .35s ease;
}
.card.active{ display:block; }
@keyframes rise{
  from{ opacity:0; transform:translateY(6px); }
  to{ opacity:1; transform:translateY(0); }
}
.q-meta{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-bottom:18px;
  flex-wrap:wrap;
  gap:8px;
}
.q-number{
  font-family:var(--mono);
  font-size:12px;
  color:var(--ink-soft);
  letter-spacing:.06em;
}
.q-tags{
  display:flex;
  gap:8px;
}
.q-domain-tag{
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:.06em;
  text-transform:uppercase;
  padding:3px 8px;
  background:var(--steel-deep);
  color:#fff;
}
.q-type{
  font-family:var(--mono);
  font-size:10.5px;
  letter-spacing:.08em;
  text-transform:uppercase;
  padding:3px 8px;
  border:1px solid var(--steel);
  color:var(--steel);
}
.q-type.multi{
  border-color:var(--signal);
  color:var(--signal);
}
.scenario{
  font-family:var(--serif);
  font-size:18.5px;
  line-height:1.55;
  color:var(--ink);
  margin: 0 0 22px;
}
.options{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.option{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:13px 15px;
  border:1px solid var(--line);
  cursor:pointer;
  background:var(--paper);
  transition: border-color .15s ease, background .15s ease;
}
.option:hover{
  border-color:var(--steel);
  background:#eef1f3;
}
.option.selected{
  border-color:var(--steel);
  background:#e7ecf0;
}
.option .marker{
  flex:0 0 auto;
  width:18px; height:18px;
  border:1.5px solid var(--ink-soft);
  margin-top:2px;
  display:flex; align-items:center; justify-content:center;
  font-size:11px;
  color:transparent;
}
.option.single .marker{ border-radius:50%; }
.option.multi-mark .marker{ border-radius:2px; }
.option.selected .marker{
  border-color:var(--steel);
  background:var(--steel);
  color:#fff;
}
.option .label{
  font-size:15px;
  color:var(--ink);
}
.option .letter{
  font-family:var(--mono);
  font-size:12px;
  color:var(--ink-soft);
  margin-right:4px;
}
.option.correct{
  border-color:var(--ok);
  background:var(--ok-soft);
}
.option.correct .marker{
  border-color:var(--ok);
  background:var(--ok);
}
.option.incorrect{
  border-color:var(--bad);
  background:var(--bad-soft);
}
.option.incorrect .marker{
  border-color:var(--bad);
  background:var(--bad);
}
.card.answered .option{ cursor:default; }
.card.answered .option:hover{ background:inherit; }
.explain{
  margin-top:22px;
  padding-top:20px;
  border-top:1px dashed var(--line);
  display:none;
}
.card.answered .explain{ display:block; }
.explain .verdict{
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.1em;
  text-transform:uppercase;
  margin-bottom:10px;
}
.verdict.win{ color:var(--ok); }
.verdict.lose{ color:var(--bad); }
.explain p{
  margin:0 0 10px;
  font-size:14.5px;
  color:var(--ink-soft);
}
.explain p:last-child{ margin-bottom:0; }
.explain strong{ color:var(--ink); font-weight:600; }
.explain .domain-note{
  font-family:var(--mono);
  font-size:11px;
  color:var(--steel);
  margin-top:14px;
  padding-top:12px;
  border-top:1px solid var(--line);
}
.controls{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-top:24px;
}
button{
  font-family:var(--sans);
  font-weight:600;
  font-size:14px;
  padding:12px 24px;
  border:none;
  cursor:pointer;
  letter-spacing:.01em;
}
.btn-primary{
  background:var(--steel-deep);
  color:#fff;
}
.btn-primary:hover{ background:var(--steel); }
.btn-primary:disabled{
  background:var(--line);
  color:var(--ink-soft);
  cursor:not-allowed;
}
.btn-ghost{
  background:transparent;
  color:var(--ink-soft);
  border:1px solid var(--line);
}
.btn-ghost:hover{ border-color:var(--ink-soft); color:var(--ink); }
.hint{
  font-family:var(--mono);
  font-size:11px;
  color:var(--ink-soft);
}
/* ---------- RESULTS ---------- */
.results{ display:none; }
.results.active{ display:block; animation: rise .4s ease; }
.score-panel{
  background:var(--steel-deep);
  color:#fff;
  padding:40px 34px;
  text-align:center;
  margin-bottom:24px;
  position:relative;
  overflow:hidden;
}
.score-panel::after{
  content:"";
  position:absolute;
  top:0; right:0; bottom:0;
  width:180px;
  background:
    linear-gradient(135deg, transparent 45%, rgba(217,155,114,0.22) 45%, rgba(217,155,114,0.22) 58%, transparent 58%),
    linear-gradient(135deg, transparent 55%, rgba(236,226,217,0.10) 55%, rgba(236,226,217,0.10) 72%, transparent 72%);
  pointer-events:none;
}
.score-big{
  font-family:var(--serif);
  font-size:64px;
  font-weight:600;
  line-height:1;
  margin-bottom:6px;
  color: var(--bf-gold);
  position:relative;
  z-index:1;
}
.score-big span{
  font-size:28px;
  opacity:.75;
  font-family:var(--mono);
  color:#fff;
}
.score-label{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.1em;
  text-transform:uppercase;
  opacity:.75;
  position:relative;
  z-index:1;
}
.score-remark{
  margin-top:18px;
  font-size:14.5px;
  max-width:440px;
  margin-left:auto;
  margin-right:auto;
  opacity:.9;
  position:relative;
  z-index:1;
}
.recap{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--ink-soft);
  margin:32px 0 14px;
  display:flex;
  align-items:center;
  gap:10px;
}
.recap::after{
  content:"";
  flex:1;
  height:1px;
  background:var(--line);
}
.recap-row{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:12px 4px;
  border-bottom:1px solid var(--line);
  font-size:14px;
  gap:12px;
}
.recap-row .rleft{
  display:flex;
  flex-direction:column;
  gap:3px;
}
.recap-row .rdomain{
  font-family:var(--mono);
  font-size:10px;
  color:var(--ink-soft);
  text-transform:uppercase;
  letter-spacing:.04em;
}
.recap-row .rtag{
  font-family:var(--mono);
  font-size:11px;
  padding:2px 8px;
  flex:0 0 auto;
}
.rtag.win{ color:var(--ok); border:1px solid var(--ok); }
.rtag.lose{ color:var(--bad); border:1px solid var(--bad); }
.footer-note{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid var(--line);
  font-family:var(--mono);
  font-size:11px;
  color:var(--ink-soft);
  text-align:center;
  letter-spacing:.04em;
}
.brand-footer{
  margin-top:24px;
  padding-top:18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.brand-footer .bf-copy{
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:.04em;
  color:var(--ink-soft);
}
.brand-footer .bf-mark{
  display:flex;
  align-items:baseline;
  gap:2px;
  font-family:var(--sans);
  font-weight:700;
  font-size:13px;
  color:var(--bf-blue-deep);
}
.brand-footer .bf-mark .fox{ color:var(--signal); }
@media (max-width: 560px){
  .wrap{ padding:32px 16px 72px; }
  .brand-bar{ margin: -32px -16px 32px; padding: 14px 16px; }
  .brand-wordmark{ font-size:15px; }
  .brand-tag{ display:none; }
  .card{ padding:24px 20px 22px; }
  .scenario{ font-size:17px; }
  .score-big{ font-size:52px; }
  .count-control{ flex-direction:column; align-items:stretch; gap:14px; }
  .count-value{ font-size:32px; }
}