:root{
  --bni-red: #CF202E;
  --bni-red-soft: #E94559;
  --bni-red-dark: #9A1622;

  --ai-cyan: #22D3EE;
  --ai-violet: #8B5CF6;
  --ai-indigo: #6366F1;
  --gold: #FFC83D;
  --gold-2: #FFA726;

  --bg-0: #060818;
  --bg-1: #0B0F2A;
  --bg-2: #141A3D;

  --glass-bg: rgba(255,255,255,0.045);
  --glass-bg-strong: rgba(255,255,255,0.08);
  --glass-brd: rgba(255,255,255,0.10);
  --glass-brd-strong: rgba(255,255,255,0.18);

  --txt: #F4F6FB;
  --txt-mute: rgba(244,246,251,0.62);
  --txt-dim: rgba(244,246,251,0.42);

  --ok: #34D399;
  --warn: #FBBF24;
  --err: #F87171;

  --shadow-1: 0 8px 30px rgba(0,0,0,0.35);
  --shadow-2: 0 20px 60px rgba(0,0,0,0.45);
  --shadow-glow-red: 0 0 40px rgba(207,32,46,0.35);
  --shadow-glow-cyan: 0 0 40px rgba(34,211,238,0.30);
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:'Plus Jakarta Sans',system-ui,sans-serif;
  background:var(--bg-0);
  color:var(--txt);
  font-size:15px;
  line-height:1.5;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  letter-spacing:-0.005em;
}
.display-font{font-family:'Bricolage Grotesque',serif;letter-spacing:-0.025em;font-variation-settings:"opsz" 48}
.mono{font-family:'JetBrains Mono',monospace;letter-spacing:-0.02em}

/* ====== Atmosphere — animated gradient mesh ====== */
.atmosphere{
  position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(ellipse 80% 60% at 15% 10%, rgba(139,92,246,0.22), transparent 60%),
    radial-gradient(ellipse 70% 50% at 90% 0%, rgba(34,211,238,0.18), transparent 55%),
    radial-gradient(ellipse 60% 80% at 80% 100%, rgba(207,32,46,0.18), transparent 60%),
    radial-gradient(ellipse 90% 60% at 0% 100%, rgba(99,102,241,0.15), transparent 60%),
    linear-gradient(180deg,#060818 0%,#0B0F2A 50%,#080C24 100%);
}
.atmosphere::after{
  content:"";position:absolute;inset:0;
  background-image:
    radial-gradient(rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 30%, transparent 80%);
  opacity:.55;
}
.grain{
  position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:url("data:image/svg+xml;utf8,<svg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.08 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  opacity:.5;mix-blend-mode:overlay;
}

/* ====== Reusable glass ====== */
.glass{
  background:var(--glass-bg);
  backdrop-filter:blur(22px) saturate(140%);
  -webkit-backdrop-filter:blur(22px) saturate(140%);
  border:1px solid var(--glass-brd);
  border-radius:18px;
  box-shadow:var(--shadow-1), inset 0 1px 0 rgba(255,255,255,0.05);
}
.glass-strong{
  background:var(--glass-bg-strong);
  backdrop-filter:blur(28px) saturate(160%);
  -webkit-backdrop-filter:blur(28px) saturate(160%);
  border:1px solid var(--glass-brd-strong);
  border-radius:22px;
  box-shadow:var(--shadow-2), inset 0 1px 0 rgba(255,255,255,0.08);
}

/* ====== Buttons ====== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  padding:.75rem 1.25rem;border-radius:12px;
  font-weight:600;font-size:.92rem;
  cursor:pointer;border:1px solid transparent;
  transition:transform .15s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease;
  white-space:nowrap;color:var(--txt);background:transparent;
  font-family:inherit;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{
  background:linear-gradient(135deg,var(--bni-red) 0%,var(--bni-red-soft) 100%);
  box-shadow:0 8px 22px rgba(207,32,46,0.45), inset 0 1px 0 rgba(255,255,255,0.18);
}
.btn-primary:hover{box-shadow:0 12px 30px rgba(207,32,46,0.55), inset 0 1px 0 rgba(255,255,255,0.22)}
.btn-cyan{
  background:linear-gradient(135deg,var(--ai-cyan) 0%,var(--ai-indigo) 100%);
  color:#03142B;
  box-shadow:0 8px 22px rgba(34,211,238,0.35);
}
.btn-ghost{
  background:rgba(255,255,255,0.04);
  border:1px solid var(--glass-brd);
}
.btn-ghost:hover{background:rgba(255,255,255,0.08);border-color:var(--glass-brd-strong)}
.btn-danger{
  background:rgba(248,113,113,0.10);
  border:1px solid rgba(248,113,113,0.35);
  color:#FCA5A5;
}
.btn-danger:hover{background:rgba(248,113,113,0.18)}
.btn-sm{padding:.5rem .85rem;font-size:.82rem;border-radius:10px}
.btn-block{width:100%}
.btn-icon{width:38px;height:38px;padding:0;border-radius:10px}

/* ====== Form ====== */
.field{display:flex;flex-direction:column;gap:.4rem;margin-bottom:1rem}
.field label{font-size:.78rem;color:var(--txt-mute);font-weight:500;letter-spacing:.02em;text-transform:uppercase}
.input, .select, .textarea{
  width:100%;
  background:rgba(255,255,255,0.035);
  border:1px solid var(--glass-brd);
  color:var(--txt);
  padding:.85rem 1rem;
  border-radius:12px;
  font-family:inherit;
  font-size:.95rem;
  transition:border .2s, background .2s, box-shadow .2s;
  outline:none;
}
.input:focus, .select:focus, .textarea:focus{
  border-color:rgba(34,211,238,0.55);
  background:rgba(34,211,238,0.04);
  box-shadow:0 0 0 4px rgba(34,211,238,0.10);
}
.select{appearance:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path fill='rgba(255,255,255,0.5)' d='M6 8L0 0h12z'/></svg>");background-repeat:no-repeat;background-position:right 1rem center;padding-right:2.5rem}
.textarea{resize:vertical;min-height:90px}

/* ====== Top Nav ====== */
.topnav{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;gap:1.5rem;
  padding:.85rem 1.5rem;
  background:rgba(11,15,42,0.55);
  backdrop-filter:blur(24px) saturate(180%);
  border-bottom:1px solid var(--glass-brd);
}
.brand{display:flex;align-items:center;gap:.85rem;flex:0 0 auto}
.brand-logo{
  display:flex;align-items:center;gap:.65rem;
  font-family:'Bricolage Grotesque',serif;
  font-weight:800;font-size:1.55rem;letter-spacing:-.04em;
  color:#fff;
}
.brand-logo .bni{position:relative;display:inline-block}
.brand-logo .bni::after{content:"®";font-size:.55rem;position:absolute;top:.2rem;right:-.55rem;font-weight:600;color:rgba(255,255,255,.85)}
.brand-divider{width:1.5px;height:26px;background:rgba(255,255,255,0.45);border-radius:1px}
.brand-grand{font-weight:600;color:#fff}

.nav-links{display:flex;gap:.35rem;flex:1;justify-content:center}
.nav-link{
  position:relative;
  padding:.55rem 1.1rem;border-radius:10px;
  font-weight:500;font-size:.92rem;color:var(--txt-mute);
  cursor:pointer;transition:color .2s, background .2s;
  display:flex;align-items:center;gap:.5rem;
}
.nav-link:hover{color:var(--txt);background:rgba(255,255,255,0.04)}
.nav-link.active{color:var(--txt);background:rgba(255,255,255,0.06)}
.nav-link.active::before{
  content:"";position:absolute;left:50%;bottom:-.85rem;transform:translateX(-50%);
  width:30px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--bni-red),var(--ai-cyan));
  box-shadow:0 0 12px rgba(34,211,238,.6);
}

.nav-right{display:flex;align-items:center;gap:.85rem;flex:0 0 auto}
.live-pill{
  display:inline-flex;align-items:center;gap:.45rem;
  padding:.4rem .7rem;border-radius:999px;
  background:rgba(52,211,153,0.10);border:1px solid rgba(52,211,153,0.35);
  font-size:.75rem;color:#6EE7B7;font-weight:600;
}
.live-dot{width:7px;height:7px;border-radius:50%;background:#34D399;box-shadow:0 0 10px #34D399;animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.85)}}

.avatar{
  width:38px;height:38px;border-radius:50%;
  background:linear-gradient(135deg,var(--ai-violet),var(--bni-red));
  display:flex;align-items:center;justify-content:center;
  font-weight:700;color:#fff;font-size:.85rem;cursor:pointer;
  border:1.5px solid var(--glass-brd-strong);
}

/* mobile nav toggle */
.mobile-menu-btn{display:none;background:none;border:1px solid var(--glass-brd);width:40px;height:40px;border-radius:10px;color:#fff;cursor:pointer}

/* ====== Layout containers ====== */
.app-shell{flex-direction:column;min-height:100vh}
.app-shell.is-active{display:flex}
.main-area{padding:2rem 1.5rem 3rem;max-width:1500px;margin:0 auto;width:100%}

.page-header{display:flex;align-items:flex-end;justify-content:space-between;gap:1.5rem;margin-bottom:1.75rem;flex-wrap:wrap}
.page-title{
  font-family:'Bricolage Grotesque',serif;
  font-size:clamp(1.7rem,3vw,2.4rem);
  font-weight:700;letter-spacing:-.03em;line-height:1.05;
}
.page-title .accent{
  background:linear-gradient(120deg,var(--bni-red) 0%,var(--ai-cyan) 80%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.page-sub{color:var(--txt-mute);margin-top:.35rem;font-size:.95rem}
.section{display:none}
.section.is-active{display:block;animation:fadeUp .35s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

/* ====== AUTH SCREENS ====== */
.auth-screen{
  display:none;
  min-height:100vh;
  align-items:center;justify-content:center;
  padding:2rem 1.25rem;
}
.auth-screen.is-active{display:flex}
.auth-card{
  width:100%;max-width:460px;
  padding:2.4rem 2.2rem;
  position:relative;overflow:hidden;
}
.auth-card::before{
  content:"";position:absolute;inset:-1px;border-radius:22px;padding:1px;
  background:linear-gradient(135deg,rgba(207,32,46,.5),transparent 40%,rgba(34,211,238,.5));
  -webkit-mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.auth-logo{display:flex;align-items:center;justify-content:center;gap:.8rem;margin-bottom:.6rem;font-family:'Bricolage Grotesque';font-weight:800;font-size:2.8rem;letter-spacing:-.04em}
.auth-logo .bni{position:relative}
.auth-logo .bni::after{content:"®";font-size:.8rem;position:absolute;top:.35rem;right:-.75rem;font-weight:600;color:rgba(255,255,255,.8)}
.auth-tagline{text-align:center;color:var(--txt-mute);font-size:.9rem;margin-bottom:1.8rem}
.auth-h{font-family:'Bricolage Grotesque';font-size:1.55rem;font-weight:700;margin-bottom:.35rem}
.auth-p{color:var(--txt-mute);margin-bottom:1.6rem;font-size:.92rem}
.auth-foot{margin-top:1.25rem;text-align:center;font-size:.88rem;color:var(--txt-mute)}
.auth-foot a{color:var(--ai-cyan);font-weight:600;cursor:pointer;text-decoration:none}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}

/* ====== STAT cards ====== */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-bottom:1.5rem}
.stat{padding:1.25rem 1.3rem;position:relative;overflow:hidden}
.stat-label{font-size:.78rem;color:var(--txt-mute);text-transform:uppercase;letter-spacing:.05em;font-weight:600}
.stat-value{font-family:'Bricolage Grotesque';font-size:2rem;font-weight:700;margin-top:.4rem;letter-spacing:-.03em}
.stat-trend{display:inline-flex;align-items:center;gap:.3rem;margin-top:.55rem;font-size:.78rem;color:var(--ok);font-weight:500}
.stat .ic{
  position:absolute;top:1rem;right:1rem;width:36px;height:36px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.05);border:1px solid var(--glass-brd);
}

/* ====== Quiz Master tabs ====== */
.qm-bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1.25rem;flex-wrap:wrap}
.qm-bar-label{flex:0 1 auto;min-width:0}
.tabs{display:inline-flex;gap:.25rem;padding:.3rem;background:rgba(255,255,255,.03);border:1px solid var(--glass-brd);border-radius:14px}
.tab{
  padding:.55rem 1rem;border-radius:10px;font-weight:600;font-size:.88rem;color:var(--txt-mute);
  cursor:pointer;display:flex;align-items:center;gap:.45rem;transition:all .2s;
}
.tab .badge{background:rgba(255,255,255,.07);font-size:.7rem;padding:.1rem .42rem;border-radius:999px;color:var(--txt-mute)}
.tab.active{background:linear-gradient(135deg,rgba(207,32,46,.85),rgba(233,69,89,.85));color:#fff;box-shadow:0 6px 18px rgba(207,32,46,.35)}
.tab.active .badge{background:rgba(0,0,0,.25);color:#fff}

.qm-controls{display:flex;align-items:center;gap:.6rem;flex-wrap:wrap;flex:1;justify-content:flex-end}
.search{display:flex;align-items:center;background:rgba(255,255,255,.035);border:1px solid var(--glass-brd);border-radius:12px;padding:.55rem .85rem;gap:.55rem;min-width:240px;max-width:360px;flex:1}
.search input{background:none;border:none;outline:none;color:#fff;font-family:inherit;font-size:.9rem;width:100%}
.view-toggle{display:flex;background:rgba(255,255,255,.03);border:1px solid var(--glass-brd);border-radius:11px;padding:.2rem;flex:0 0 auto}
.view-toggle button{background:none;border:none;color:var(--txt-mute);width:36px;height:32px;border-radius:8px;cursor:pointer;display:flex;align-items:center;justify-content:center}
.view-toggle button.active{background:rgba(255,255,255,.08);color:#fff}

/* status filter chips (replaces top tabs — counts now live on each chip) */
.status-filters{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1.5rem;align-items:center}
.chip{
  padding:.5rem .9rem .5rem .75rem;border-radius:999px;font-size:.85rem;font-weight:600;
  background:rgba(255,255,255,.04);border:1px solid var(--glass-brd);color:var(--txt-mute);
  cursor:pointer;display:inline-flex;align-items:center;gap:.5rem;transition:.2s;
  font-family:inherit;
}
.chip:hover{color:#fff;background:rgba(255,255,255,.06)}
.chip.active{background:rgba(34,211,238,.12);border-color:rgba(34,211,238,.45);color:#A5F3FC;box-shadow:0 4px 14px rgba(34,211,238,.18)}
.chip .dot{width:8px;height:8px;border-radius:50%;flex:0 0 8px}
.chip-count{
  font-family:'JetBrains Mono';font-size:.72rem;font-weight:700;
  padding:.1rem .42rem;border-radius:999px;
  background:rgba(255,255,255,.08);color:var(--txt);
  min-width:22px;text-align:center;
}
.chip.active .chip-count{background:rgba(34,211,238,.25);color:#fff}
.dot-upcoming{background:#A78BFA}
.dot-today{background:#22D3EE;box-shadow:0 0 6px rgba(34,211,238,.6)}
.dot-live{background:#34D399;box-shadow:0 0 8px #34D399}
.dot-done{background:#94A3B8}
.dot-all{background:linear-gradient(135deg,var(--bni-red),var(--ai-cyan))}

/* desktop-only helper — used to hide Display QR on phones since you don't project from mobile */
.desktop-only{display:inline-flex}
@media (max-width: 768px){
  .desktop-only{display:none !important}
}

/* Auto-demo indicator pill (shown on Display Screen during demo flow) */
.demo-indicator{
  position:absolute;top:1.5rem;left:50%;transform:translateX(-50%);
  display:none;align-items:center;gap:.55rem;
  padding:.5rem .95rem;border-radius:999px;
  background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.4);
  color:#A5F3FC;font-size:.78rem;font-weight:600;
  backdrop-filter:blur(20px);z-index:6;
  box-shadow:0 8px 24px rgba(34,211,238,.18);
}
.demo-spin{
  width:10px;height:10px;border-radius:50%;border:1.5px solid rgba(34,211,238,.3);
  border-top-color:var(--ai-cyan);animation:spin 1s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.demo-indicator .mono{font-family:'JetBrains Mono';color:#fff;font-weight:700}

/* ====== Quiz grid ====== */
.quiz-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.1rem}
.quiz-card{
  padding:1.4rem;position:relative;overflow:hidden;
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s;
  cursor:pointer;
}
.quiz-card:hover{transform:translateY(-3px);border-color:var(--glass-brd-strong);box-shadow:0 18px 40px rgba(0,0,0,.45)}
.quiz-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--bni-red),var(--ai-cyan));opacity:.6;
}
.qc-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:.7rem;gap:.75rem}
.qc-program{font-size:.75rem;color:var(--txt-dim);text-transform:uppercase;letter-spacing:.06em;font-weight:600;margin-bottom:.25rem}
.qc-title{font-family:'Bricolage Grotesque';font-size:1.2rem;font-weight:700;letter-spacing:-.02em;line-height:1.2}
.status-badge{
  font-size:.7rem;padding:.32rem .7rem;border-radius:999px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;
  display:inline-flex;align-items:center;gap:.35rem;white-space:nowrap;
}
.status-live{background:rgba(52,211,153,.12);color:#6EE7B7;border:1px solid rgba(52,211,153,.4)}
.status-today{background:rgba(34,211,238,.10);color:#A5F3FC;border:1px solid rgba(34,211,238,.35)}
.status-upcoming{background:rgba(167,139,250,.10);color:#C4B5FD;border:1px solid rgba(167,139,250,.35)}
.status-done{background:rgba(148,163,184,.10);color:#CBD5E1;border:1px solid rgba(148,163,184,.30)}

.qc-meta{display:flex;flex-wrap:wrap;gap:.55rem;margin:.85rem 0 1rem}
.meta-pill{
  display:inline-flex;align-items:center;gap:.4rem;font-size:.78rem;color:var(--txt-mute);
  background:rgba(255,255,255,.04);border:1px solid var(--glass-brd);padding:.3rem .65rem;border-radius:8px;
}
.meta-pill svg{opacity:.7}

.qc-stats{display:grid;grid-template-columns:1fr 1fr;gap:.75rem;padding:.85rem;background:rgba(0,0,0,.18);border-radius:12px;margin-bottom:1rem;border:1px solid var(--glass-brd)}
.qc-stat{display:flex;flex-direction:column;gap:.15rem}
.qc-stat-val{font-family:'JetBrains Mono';font-size:1.25rem;font-weight:600;color:#fff}
.qc-stat-lbl{font-size:.7rem;color:var(--txt-dim);text-transform:uppercase;letter-spacing:.05em}

.qc-actions{display:flex;gap:.45rem;flex-wrap:wrap}
.qc-actions .btn-sm{flex:1;min-width:0}
.qc-icon-row{display:flex;gap:.3rem;margin-left:auto}

/* ====== Table view ====== */
.quiz-table-wrap{overflow:auto;border-radius:18px}
.quiz-table{
  width:100%;border-collapse:separate;border-spacing:0;
  min-width:900px;
}
.quiz-table th{
  text-align:left;font-size:.74rem;text-transform:uppercase;letter-spacing:.06em;
  color:var(--txt-mute);font-weight:600;padding:1rem 1.1rem;
  background:rgba(255,255,255,.03);border-bottom:1px solid var(--glass-brd);
}
.quiz-table td{padding:1rem 1.1rem;border-bottom:1px solid rgba(255,255,255,.05);font-size:.9rem;vertical-align:middle}
.quiz-table tr:hover td{background:rgba(255,255,255,.02)}
.quiz-table .row-title{font-weight:600;color:#fff}
.quiz-table .row-prog{font-size:.75rem;color:var(--txt-dim);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.2rem;font-weight:600}
.row-actions{display:flex;gap:.3rem}

/* ====== ADD QUIZ ====== */
.aq-wrap{
  /* display:grid; */
  grid-template-columns:340px 1fr;gap:1.5rem;align-items:start}
.aq-steps{padding:1.5rem;position:sticky;top:90px}
.aq-step{display:flex;gap:.85rem;padding:.85rem;border-radius:12px;cursor:pointer;transition:.2s}
.aq-step:hover{background:rgba(255,255,255,.03)}
.aq-step.active{background:rgba(34,211,238,.06);border:1px solid rgba(34,211,238,.25)}
.aq-step.done .step-num{background:linear-gradient(135deg,#34D399,#22D3EE);color:#000}
.step-num{
  width:32px;height:32px;border-radius:9px;flex:0 0 32px;
  background:rgba(255,255,255,.05);border:1px solid var(--glass-brd);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.88rem;font-family:'JetBrains Mono'
}
.aq-step.active .step-num{background:linear-gradient(135deg,var(--bni-red),var(--ai-cyan));color:#fff;border-color:transparent}
.step-info h5{font-size:.95rem;font-weight:600;margin-bottom:.15rem}
.step-info p{font-size:.78rem;color:var(--txt-mute)}

.aq-panel{padding:1.75rem}
.aq-panel h3{font-family:'Bricolage Grotesque';font-size:1.4rem;font-weight:700;letter-spacing:-.02em;margin-bottom:.3rem}
.aq-panel .sub{color:var(--txt-mute);margin-bottom:1.5rem;font-size:.9rem}

.mode-cards{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1.5rem}
.mode-card{
  padding:1.3rem;border-radius:14px;cursor:pointer;
  background:rgba(255,255,255,.025);border:1px solid var(--glass-brd);
  transition:.25s;position:relative;
}
.mode-card.selected{border-color:rgba(34,211,238,.55);background:rgba(34,211,238,.06);box-shadow:0 0 0 4px rgba(34,211,238,.08)}
.mode-card .mc-ic{width:40px;height:40px;border-radius:11px;background:linear-gradient(135deg,var(--bni-red),var(--ai-cyan));display:flex;align-items:center;justify-content:center;margin-bottom:.85rem}
.mode-card h5{font-size:1.05rem;font-weight:700;margin-bottom:.3rem;font-family:'Bricolage Grotesque'}
.mode-card p{font-size:.83rem;color:var(--txt-mute);line-height:1.5}
.mode-card.selected::after{content:"✓";position:absolute;top:1rem;right:1rem;width:24px;height:24px;border-radius:50%;background:var(--ai-cyan);color:#000;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:.78rem}

/* questions builder */
.q-builder{display:flex;flex-direction:column;gap:1rem;margin-bottom:1.25rem}
.q-item{padding:1.2rem;border-radius:14px;border:1px solid var(--glass-brd);background:rgba(255,255,255,.025)}
.q-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:.85rem;gap:.5rem}
.q-num{
  display:inline-flex;align-items:center;gap:.45rem;
  font-family:'JetBrains Mono';font-size:.8rem;color:var(--ai-cyan);
  font-weight:600;text-transform:uppercase;letter-spacing:.05em;
}
.q-actions{display:flex;gap:.3rem}
.options-grid{display:grid;grid-template-columns:1fr 1fr;gap:.7rem;margin-top:.85rem}
.opt-row{display:flex;align-items:center;gap:.55rem;padding:.6rem .85rem;background:rgba(0,0,0,.18);border:1px solid var(--glass-brd);border-radius:10px}
.opt-row input[type="text"]{background:none;border:none;outline:none;color:#fff;font-family:inherit;font-size:.9rem;width:100%}
.opt-letter{width:28px;height:28px;border-radius:8px;background:rgba(255,255,255,.06);display:flex;align-items:center;justify-content:center;font-family:'JetBrains Mono';font-weight:700;font-size:.85rem;flex:0 0 28px}
.opt-row.correct{border-color:rgba(52,211,153,.5);background:rgba(52,211,153,.08)}
.opt-row.correct .opt-letter{background:#34D399;color:#022}

.timer-row{display:flex;align-items:center;gap:1rem;padding:.85rem 1rem;background:rgba(0,0,0,.15);border:1px solid var(--glass-brd);border-radius:10px;margin-top:.85rem}

/* ====== DISPLAY SCREEN (Projection) ====== */
.display-screen{
  display:none;
  position:fixed;inset:0;z-index:200;
  flex-direction:column;
  padding:2.5rem 3rem;
  background:
    radial-gradient(ellipse 80% 60% at 15% 10%, rgba(139,92,246,0.28), transparent 60%),
    radial-gradient(ellipse 70% 50% at 90% 0%, rgba(34,211,238,0.22), transparent 55%),
    radial-gradient(ellipse 60% 80% at 80% 100%, rgba(207,32,46,0.22), transparent 60%),
    linear-gradient(180deg,#060818 0%,#0B0F2A 50%,#080C24 100%);
  overflow-y:auto;overflow-x:hidden;
}
.display-screen.is-active{display:flex}
.disp-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}
.disp-brand{display:flex;align-items:center;gap:1rem;font-family:'Bricolage Grotesque';font-weight:800;font-size:1.8rem;letter-spacing:-.04em}
.disp-brand .bni{position:relative}
.disp-brand .bni::after{content:"®";font-size:.65rem;position:absolute;top:.3rem;right:-.65rem;font-weight:600;color:rgba(255,255,255,.85)}
.disp-meta{text-align:right}
.disp-meta h6{font-size:.78rem;color:var(--txt-mute);text-transform:uppercase;letter-spacing:.06em;font-weight:600;margin-bottom:.25rem}
.disp-meta p{font-family:'JetBrains Mono';font-size:1rem;color:#fff}
.disp-close{position:absolute;top:1.5rem;right:1.5rem;background:rgba(255,255,255,.06);border:1px solid var(--glass-brd);color:#fff;width:42px;height:42px;border-radius:11px;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:5}

/* QR state */
.qr-state{display:none;flex:1;grid-template-columns:1.1fr 1fr;gap:3rem;align-items:stretch}
.qr-state.is-active{display:grid}
.qr-left{display:flex;flex-direction:column;justify-content:center}
.qr-left h1{font-family:'Bricolage Grotesque';font-size:clamp(3rem,6vw,5rem);font-weight:800;letter-spacing:-.04em;line-height:.95;margin-bottom:1rem}
.qr-left h1 .accent{background:linear-gradient(120deg,var(--bni-red),var(--ai-cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.qr-left .session-name{font-family:'Bricolage Grotesque';font-size:1.75rem;color:var(--txt-mute);font-weight:500;margin-bottom:2rem}
.qr-block{padding:1.5rem;background:#fff;border-radius:24px;display:inline-block;align-self:flex-start;margin-bottom:1.75rem;box-shadow:0 30px 80px rgba(0,0,0,.55), 0 0 0 8px rgba(255,255,255,.06)}
.qr-img{width:400px;height:400px;display:block}
.qr-instr{display:flex;gap:1rem;font-size:1.05rem;color:rgba(255,255,255,.85);margin-bottom:.6rem;align-items:center}
.qr-instr .n{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--bni-red),var(--ai-cyan));display:flex;align-items:center;justify-content:center;font-weight:700;flex:0 0 34px;font-family:'JetBrains Mono'}

.qr-right{display:flex;flex-direction:column;gap:1.25rem;min-height:0}
.joined-count-card{padding:1.75rem 1.75rem;text-align:center}
.joined-count-card h6{font-size:.85rem;color:var(--txt-mute);text-transform:uppercase;letter-spacing:.08em;font-weight:600;margin-bottom:.5rem}
.joined-count-card .count-big{font-family:'Bricolage Grotesque';font-size:clamp(3.5rem,7vw,6rem);font-weight:800;line-height:1;letter-spacing:-.04em;background:linear-gradient(135deg,#34D399,#22D3EE);-webkit-background-clip:text;background-clip:text;color:transparent}
.joined-count-card .pulse-wrap{display:inline-flex;align-items:center;gap:.5rem;margin-top:.6rem;font-size:.88rem;color:#6EE7B7;font-weight:600}

.participants-list{padding:1.25rem;flex:1;display:flex;flex-direction:column;min-height:0}
.participants-list h6{font-size:.85rem;color:var(--txt-mute);text-transform:uppercase;letter-spacing:.08em;font-weight:600;margin-bottom:.85rem;display:flex;justify-content:space-between;align-items:center}
.p-scroll{overflow-y:auto;display:flex;flex-direction:column;gap:.5rem;padding-right:.4rem;flex:1}
.p-row{display:flex;align-items:center;gap:.85rem;padding:.7rem .85rem;background:rgba(255,255,255,.035);border:1px solid var(--glass-brd);border-radius:11px;animation:slideIn .4s ease}
@keyframes slideIn{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:translateX(0)}}
.p-avatar{width:36px;height:36px;min-width:36px;min-height:36px;aspect-ratio:1/1;border-radius:50%;background:linear-gradient(135deg,var(--ai-violet),var(--bni-red));display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.78rem;flex:0 0 36px}
.p-info{flex:1;min-width:0}
.p-info .nm{font-weight:600;font-size:.92rem;color:#fff}
.p-info .mt{font-size:.75rem;color:var(--txt-mute);display:flex;gap:.5rem;align-items:center;margin-top:.1rem}
.p-time{font-family:'JetBrains Mono';font-size:.78rem;color:var(--ai-cyan)}

/* Question state */
.question-state{display:none;flex:1;flex-direction:column;justify-content:center}
.question-state.is-active{display:flex}
.q-progress-bar{height:8px;background:rgba(255,255,255,.08);border-radius:999px;overflow:hidden;margin-bottom:1.75rem;position:relative}
.q-progress-fill{height:100%;width:62%;background:linear-gradient(90deg,var(--ai-cyan),#34D399);border-radius:999px;transition:width 1s linear;position:relative}
.q-progress-fill::after{content:"";position:absolute;right:0;top:-2px;width:12px;height:12px;border-radius:50%;background:#34D399;box-shadow:0 0 16px #34D399}

.q-meta-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}
.q-num-display{display:inline-flex;align-items:center;gap:.6rem;padding:.5rem 1rem;background:rgba(34,211,238,.10);border:1px solid rgba(34,211,238,.4);border-radius:999px;font-family:'JetBrains Mono';font-size:1rem;color:#A5F3FC;font-weight:600}
.q-counts{display:flex;gap:1.5rem;font-family:'JetBrains Mono'}
.q-counts .lbl{font-size:.7rem;color:var(--txt-mute);text-transform:uppercase;letter-spacing:.08em;display:block}
.q-counts .val{font-size:1.5rem;font-weight:700;color:#fff}
.q-counts .val .total{color:var(--txt-mute);font-size:1rem}

.q-text{
  font-family:'Bricolage Grotesque';
  font-size:clamp(2rem,4vw,3.6rem);
  font-weight:700;letter-spacing:-.025em;line-height:1.1;
  margin-bottom:2.5rem;max-width:1200px;
}
.q-options-display{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem;max-width:1200px}
.q-opt{
  /* padding:1.5rem 1.75rem; */
  border-radius:18px;display:flex;align-items:center;gap:1.2rem;
  background:rgba(255,255,255,.04);border:2px solid var(--glass-brd);
  transition:.3s;
}
.q-opt-letter{
  width:54px;height:54px;border-radius:14px;
  background:linear-gradient(135deg,rgba(255,255,255,.08),rgba(255,255,255,.02));
  border:1px solid var(--glass-brd-strong);
  display:flex;align-items:center;justify-content:center;
  font-family:'Bricolage Grotesque';font-size:1.8rem;font-weight:700;flex:0 0 54px;
}
.q-opt-text{font-size:1.4rem;font-weight:500;color:#fff;font-family:'Bricolage Grotesque'}

/* Result state */
.result-state{display:none;flex:1;flex-direction:column;justify-content:center}
.result-state.is-active{display:flex}
.result-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:2rem;align-items:start}
.correct-block{padding:2rem}
.correct-block .lbl{font-size:.85rem;color:var(--txt-mute);text-transform:uppercase;letter-spacing:.08em;font-weight:600;margin-bottom:.85rem}
.correct-ans{
  padding:1.6rem 1.75rem;border-radius:16px;display:flex;align-items:center;gap:1.2rem;margin-bottom:1.5rem;
  background:linear-gradient(135deg,rgba(52,211,153,.18),rgba(34,211,238,.10));
  border:2px solid rgba(52,211,153,.5);
  box-shadow:0 0 40px rgba(52,211,153,.15);
}
.correct-ans .q-opt-letter{background:#34D399;color:#022;border-color:transparent}

.fastest-card{
  padding:2rem 2.5rem;
  background:linear-gradient(135deg,rgba(255,200,61,.15),rgba(255,167,38,.05));
  border:2px solid #FFC83D;
  border-radius:20px;
  box-shadow:0 0 50px rgba(255,200,61,.2), inset 0 0 20px rgba(255,200,61,.1);
  position:relative;
  overflow:hidden;
  margin-top:1.5rem;
}
.fastest-card::before{
  content:"👑";position:absolute;right:-20px;top:-20px;font-size:8rem;opacity:0.1;transform:rotate(15deg);pointer-events:none;
}
.fastest-card .lbl{font-size:.95rem;color:#FFC83D;text-transform:uppercase;letter-spacing:.1em;font-weight:800;margin-bottom:1.2rem;display:flex;align-items:center;gap:.6rem}
.fastest-card .lbl svg{width:20px;height:20px}
.fastest-row{display:flex;align-items:center;gap:1.5rem;position:relative;z-index:2}
.fastest-row .p-avatar{width:86px;height:86px;flex:0 0 86px;min-width:86px;min-height:86px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:2.2rem;font-family:'Bricolage Grotesque';font-weight:800;background:linear-gradient(135deg,#FFC83D,#FFA726);color:#000;box-shadow:0 10px 25px rgba(255,200,61,.4);line-height:1;aspect-ratio:1/1}
.fastest-row .nm{font-family:'Bricolage Grotesque';font-size:2.6rem;font-weight:800;color:#fff;line-height:1}
.fastest-row .tt{font-family:'JetBrains Mono';font-size:3.2rem;color:#FFC83D;font-weight:800;margin-left:auto;text-shadow:0 0 20px rgba(255,200,61,.4)}

.result-stats{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.rs-card{padding:1.4rem 1.5rem;text-align:center}
.rs-card .v{font-family:'Bricolage Grotesque';font-size:2.4rem;font-weight:700}
.rs-card.ok .v{color:#34D399}
.rs-card.err .v{color:#F87171}
.rs-card .l{font-size:.78rem;color:var(--txt-mute);text-transform:uppercase;letter-spacing:.06em;margin-top:.2rem}

/* Leaderboard state */
.leaderboard-state{display:none;flex:1;flex-direction:column}
.leaderboard-state.is-active{display:flex}
.lb-h{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem}
.lb-title{font-family:'Bricolage Grotesque';font-size:clamp(2rem,4vw,3rem);font-weight:800;letter-spacing:-.03em;line-height:1}
.lb-title .accent{background:linear-gradient(120deg,#FFC83D,var(--bni-red));-webkit-background-clip:text;background-clip:text;color:transparent}
.lb-podium{display:grid;grid-template-columns:1fr 1.15fr 1fr;gap:1rem;margin-bottom:1.5rem;align-items:end}
.podium{padding:1.5rem;text-align:center;position:relative}
.podium .rank-circle{width:60px;height:60px;border-radius:50%;margin:0 auto .75rem;display:flex;align-items:center;justify-content:center;font-family:'Bricolage Grotesque';font-size:1.7rem;font-weight:800}
.podium.r1{border:2px solid rgba(255,200,61,.6);background:linear-gradient(180deg,rgba(255,200,61,.16),rgba(255,167,38,.05));box-shadow:0 0 40px rgba(255,200,61,.25);min-height:280px}
.podium.r2{border:1px solid rgba(203,213,225,.4);background:linear-gradient(180deg,rgba(203,213,225,.1),transparent);min-height:240px}
.podium.r3{border:1px solid rgba(205,127,50,.4);background:linear-gradient(180deg,rgba(205,127,50,.12),transparent);min-height:220px}
.podium.r1 .rank-circle{background:linear-gradient(135deg,#FFC83D,#FFA726);color:#000;box-shadow:0 0 25px rgba(255,200,61,.5)}
.podium.r2 .rank-circle{background:linear-gradient(135deg,#E2E8F0,#94A3B8);color:#000}
.podium.r3 .rank-circle{background:linear-gradient(135deg,#D97706,#92400E);color:#FFE}
.podium .name{font-family:'Bricolage Grotesque';font-size:1.35rem;font-weight:700;margin-bottom:.25rem}
.podium .meta{font-size:.83rem;color:var(--txt-mute);margin-bottom:.85rem}
.podium .score{font-family:'JetBrains Mono';font-size:2rem;font-weight:700;color:#fff}
.podium .score .out{color:var(--txt-mute);font-size:1rem}
.podium .speed{font-size:.78rem;color:var(--ai-cyan);margin-top:.4rem;font-family:'JetBrains Mono'}

.lb-rest{padding:1rem}
.lb-row{display:grid;grid-template-columns:60px 1fr 100px 100px 110px;align-items:center;gap:1rem;padding:.85rem 1rem;border-radius:11px;transition:.2s}
.lb-row:hover{background:rgba(255,255,255,.03)}
.lb-row + .lb-row{border-top:1px solid rgba(255,255,255,.05)}
.lb-rank{font-family:'Bricolage Grotesque';font-size:1.4rem;font-weight:700;color:var(--txt-mute)}
.lb-name{font-weight:600;font-size:1rem}
.lb-name small{color:var(--txt-mute);font-weight:400;font-size:.78rem;display:block;margin-top:.1rem}
.lb-cell{font-family:'JetBrains Mono';font-size:.95rem;color:#fff;text-align:right}
.lb-cell .lb-cell-lbl{font-size:.7rem;color:var(--txt-mute);text-transform:uppercase;display:block;margin-bottom:.15rem}

/* ====== MOBILE CONTROL ====== */
.mobile-control{
  display:none;
  position:fixed;inset:0;z-index:180;
  background:linear-gradient(180deg,#060818 0%,#0B0F2A 100%);
  max-width:480px;margin:0 auto;
  overflow-y:auto;
  -webkit-overflow-scrolling:touch;
  overscroll-behavior:contain;
}
.mobile-control.is-active{display:block}
.mc-inner{padding:1.25rem;display:flex;flex-direction:column;gap:1rem;min-height:100%}
.mc-head{display:flex;justify-content:space-between;align-items:center;padding-bottom:1rem;border-bottom:1px solid var(--glass-brd);position:sticky;top:-1.25rem;margin:-1.25rem -1.25rem 0;padding:1.25rem;background:rgba(11,15,42,0.92);backdrop-filter:blur(20px);z-index:5}
.mc-back{background:rgba(255,255,255,.05);border:1px solid var(--glass-brd);width:38px;height:38px;border-radius:10px;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;flex:0 0 38px}
.mc-title{font-family:'Bricolage Grotesque';font-size:1.15rem;font-weight:700;text-align:center;flex:1}
.mc-sub{font-size:.78rem;color:var(--txt-mute);text-align:center}

.mc-status{padding:1rem;text-align:center}
.mc-status .l{font-size:.74rem;color:var(--txt-mute);text-transform:uppercase;letter-spacing:.06em;font-weight:600;margin-bottom:.4rem}
.mc-status .v{font-family:'Bricolage Grotesque';font-size:1.6rem;font-weight:700}

.mc-counts{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}
.mc-count{padding:.95rem;text-align:center}
.mc-count .l{font-size:.7rem;color:var(--txt-mute);text-transform:uppercase;letter-spacing:.06em;margin-bottom:.2rem}
.mc-count .v{font-family:'JetBrains Mono';font-size:1.45rem;font-weight:700}

.mc-actions{display:flex;flex-direction:column;gap:.65rem}
.mc-quick-nav{padding:.85rem 1rem;display:flex;justify-content:space-between;align-items:center;gap:.5rem}
.mc-q-list{display:flex;flex-direction:column;gap:.5rem;padding-bottom:1rem}
.mc-q-item{display:flex;align-items:center;gap:.75rem;padding:.7rem .85rem;background:rgba(255,255,255,.03);border:1px solid var(--glass-brd);border-radius:10px;cursor:pointer;transition:.2s}
.mc-q-item:hover{background:rgba(255,255,255,.05)}
.mc-q-item.current{border-color:rgba(34,211,238,.45);background:rgba(34,211,238,.06)}
.mc-q-item.done{opacity:.55}
.mc-q-num{font-family:'JetBrains Mono';width:28px;height:28px;border-radius:8px;background:rgba(255,255,255,.06);display:flex;align-items:center;justify-content:center;font-size:.78rem;font-weight:700;flex:0 0 28px}
.mc-q-item.done .mc-q-num{background:#34D399;color:#022}
.mc-q-item.current .mc-q-num{background:var(--ai-cyan);color:#022}
.mc-q-text{font-size:.85rem;flex:1;line-height:1.3}

/* ====== Settings ====== */
.settings-grid{display:grid;grid-template-columns:260px 1fr;gap:1.5rem;align-items:start}
.settings-side{padding:1rem;position:sticky;top:90px}
.settings-side a{display:flex;gap:.7rem;align-items:center;padding:.7rem .85rem;border-radius:10px;color:var(--txt-mute);font-size:.92rem;font-weight:500;cursor:pointer;transition:.2s}
.settings-side a:hover{color:#fff;background:rgba(255,255,255,.03)}
.settings-side a.active{background:rgba(34,211,238,.07);color:#fff;border-left:2px solid var(--ai-cyan);padding-left:.6rem}
.settings-panel{padding:1.75rem}
.settings-panel h4{font-family:'Bricolage Grotesque';font-size:1.25rem;font-weight:700;margin-bottom:.3rem}
.settings-panel .sub{color:var(--txt-mute);margin-bottom:1.5rem;font-size:.9rem}
.theme-swatches{display:flex;gap:.6rem;flex-wrap:wrap}
.swatch{width:48px;height:48px;border-radius:12px;cursor:pointer;border:2px solid transparent;display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff}
.swatch.active{border-color:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.12)}

/* ====== Footer ====== */
.footer{
  padding:1.25rem 1.5rem;border-top:1px solid var(--glass-brd);
  display:flex;justify-content:space-between;align-items:center;
  font-size:.82rem;color:var(--txt-mute);flex-wrap:wrap;gap:.75rem;
  background:rgba(11,15,42,0.35);backdrop-filter:blur(20px);
}
.powered{display:inline-flex;align-items:center;gap:.5rem}
.powered .qm-mark{
  font-family:'Bricolage Grotesque';font-weight:700;
  background:linear-gradient(120deg,var(--ai-cyan),var(--ai-violet));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  letter-spacing:-.02em;
}

/* ============================================================
   RESPONSIVE BREAKPOINTS
   ============================================================ */
@media (max-width: 1100px){
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .aq-wrap{grid-template-columns:1fr}
  .aq-steps{position:static}
  .settings-grid{grid-template-columns:1fr}
  .settings-side{position:static}
  .qr-state.is-active{grid-template-columns:1fr;gap:1.5rem}
  .result-grid{grid-template-columns:1fr}
  .display-screen{padding:2rem 1.75rem}
  .q-text{font-size:clamp(1.6rem,3.5vw,2.6rem)}
}

@media (max-width: 900px){
  .topnav{padding:.75rem 1rem;gap:.85rem}
  .main-area{padding:1.5rem 1rem 2.5rem}
  .page-header{flex-direction:column;align-items:stretch;gap:1rem}
  .page-header > div:first-child + .flex{justify-content:flex-end}
  .lb-podium{grid-template-columns:1fr 1fr;gap:.6rem}
  .lb-podium .r1{grid-column:1 / -1;min-height:auto}
  .lb-podium .r2,.lb-podium .r3{min-height:auto}
  .podium{padding:1.1rem}
  .podium .name{font-size:1.15rem}
  .podium .score{font-size:1.5rem}
  .joined-count-card{padding:1.25rem}
  .joined-count-card .count-big{font-size:clamp(3rem,12vw,5rem)}
  .fastest-card{padding:1.5rem;margin-top:1.25rem;border-width:1px}
  .fastest-card .lbl{font-size:.85rem;margin-bottom:1rem}
  .fastest-row{gap:1rem;flex-wrap:wrap}
  .fastest-row .p-avatar{width:60px;height:60px;flex:0 0 60px;min-width:60px;min-height:60px;font-size:1.6rem;line-height:1;aspect-ratio:1/1}
  .fastest-row .nm{font-size:1.8rem}
  .fastest-row .tt{font-size:2.4rem;margin-left:0}
  .qr-left h1{font-size:clamp(2.2rem,6vw,3.2rem)}
  .qr-left .session-name{font-size:1.3rem;margin-bottom:1.5rem}
  .qr-block{padding:1rem;margin-bottom:1.25rem}
  .qr-img{width:340px;height:340px}
  .qr-instr{font-size:.95rem}
}

@media (max-width: 768px){
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;background:rgba(11,15,42,.96);backdrop-filter:blur(24px);padding:.75rem;border-bottom:1px solid var(--glass-brd);gap:.2rem}
  .nav-links.open{display:flex}
  .nav-link.active::before{display:none}
  .nav-link{justify-content:flex-start;padding:.7rem 1rem}
  .mobile-menu-btn{display:flex;align-items:center;justify-content:center}
  .brand-logo{font-size:1.3rem}
  .live-pill{display:none}
  .stat-grid{grid-template-columns:1fr 1fr;gap:.6rem}
  .stat{padding:1rem}
  .stat-value{font-size:1.6rem}
  .stat .ic{width:30px;height:30px;top:.85rem;right:.85rem}
  .quiz-grid{grid-template-columns:1fr;gap:.85rem}
  .quiz-card{padding:1.15rem}
  .qm-bar{flex-direction:column;align-items:stretch;gap:.75rem}
  .search{min-width:0;width:100%}
  .qm-controls{justify-content:space-between;flex-wrap:wrap;gap:.5rem}
  .status-filters{gap:.4rem}
  .chip{padding:.4rem .75rem .4rem .65rem;font-size:.78rem}
  .options-grid{grid-template-columns:1fr}
  .mode-cards{grid-template-columns:1fr}
  .aq-panel{padding:1.25rem}
  .timer-row{flex-direction:column;align-items:stretch}
  .lb-row{grid-template-columns:42px 1fr 80px;gap:.5rem;font-size:.85rem;padding:.7rem .75rem}
  .lb-row .lb-hide-sm{display:none}
  /* DISPLAY SCREEN — mobile projection layout */
  .display-screen{padding:1.25rem}
  .disp-header{margin-bottom:1.25rem;flex-direction:column;align-items:flex-start;gap:.65rem}
  .qr-left{justify-content:flex-start}
  .disp-meta{text-align:left}
  .disp-brand{font-size:1.4rem}
  .disp-close{width:36px;height:36px;top:1rem;right:1rem}
  .qr-img{width:300px;height:300px}
  .qr-instr{font-size:.88rem}
  .qr-instr .n{width:28px;height:28px;flex-basis:28px;font-size:.85rem}
  .q-text{font-size:clamp(1.4rem,5vw,2rem);margin-bottom:1.5rem}
  .q-options-display{grid-template-columns:1fr;gap:.75rem}
  .q-opt{padding:1rem 1.15rem;gap:.95rem;border-radius:14px}
  .q-opt-letter{width:44px;height:44px;font-size:1.3rem;flex-basis:44px;border-radius:11px}
  .q-opt-text{font-size:1.05rem}
  .q-meta-row{flex-direction:column;align-items:flex-start;gap:.75rem}
  .q-counts{gap:1.25rem}
  .q-counts .val{font-size:1.2rem}
  .result-banner.is-active,.result-state.is-active{justify-content:flex-start;padding-top:.5rem}
  .correct-block{padding:1.25rem}
  .lb-title{font-size:1.8rem}
  .footer{padding:1rem;font-size:.75rem;flex-direction:column;text-align:center}
  .settings-panel{padding:1.25rem}
  .field-row{grid-template-columns:1fr;gap:0}
  .demo-indicator{top:.85rem;font-size:.7rem;padding:.4rem .75rem}
  /* hide Display QR action on phones — admin uses projector from desktop */
  .desktop-only{display:none !important}
}

@media (max-width: 480px){
  .stat-grid{grid-template-columns:1fr}
  .page-title{font-size:1.5rem}
  .qc-actions{gap:.35rem;flex-direction:column;align-items:stretch}
  .qc-actions .btn-sm{width:100%}
  .qc-icon-row{margin-left:0;justify-content:center}
  .lb-podium{grid-template-columns:1fr}
  .lb-row{grid-template-columns:36px 1fr 70px;font-size:.8rem}
  .qr-img{width:260px;height:260px}
  .joined-count-card .count-big{font-size:2.6rem}
}

/* helpers */
.flex{display:flex}.items-center{align-items:center}.gap-1{gap:.5rem}.gap-2{gap:1rem}
.spacer{flex:1}
.hide{display:none !important}