:root{--bg:#071126;--panel:#101d3f;--card:#14244b;--text:#f7f9ff;--muted:#aebadb;--accent:#4fe1c1;--danger:#ff6d7a;--warn:#ffd166;--border:#2a3b68}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:radial-gradient(circle at top,#142a60 0,#071126 44%,#050a18 100%);color:var(--text);min-height:100vh}.app-shell{width:min(760px,100%);margin:auto;padding:24px 16px 56px}.hero{text-align:center;padding:12px 8px 20px}.hero .eyebrow{font-size:.78rem;letter-spacing:.18em;color:var(--accent);font-weight:800}.hero h1{font-size:clamp(2.2rem,12vw,4.7rem);line-height:.9;margin:.35rem 0 .5rem;letter-spacing:-.045em}.hero p{margin:0;color:var(--muted);font-weight:700}.card{background:rgba(20,36,75,.96);border:1px solid var(--border);border-radius:24px;padding:22px;box-shadow:0 18px 50px rgba(0,0,0,.24)}.hidden{display:none!important}h2,h3,p{margin-top:0}label{display:block;font-weight:750;margin:14px 0;color:#dfe7ff}input,select{width:100%;font:inherit;font-size:16px;color:var(--text);background:#0c1734;border:1px solid #344977;border-radius:14px;padding:14px 15px;margin-top:7px;outline:none}input:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(79,225,193,.15)}button{font:inherit;min-height:46px;border-radius:14px;border:0;font-weight:850;cursor:pointer}.primary{width:100%;padding:13px 16px;background:var(--accent);color:#052019;margin-top:12px}.secondary{padding:11px 15px;background:#23365f;color:var(--text);border:1px solid #3a507d}.danger{background:var(--danger);color:#26080c}.linkbtn{background:transparent;color:var(--accent);padding:6px 0;min-height:auto}.muted{color:var(--muted)}.msg{min-height:1.4em;margin:12px 0 0;color:var(--warn)}.topline{display:flex;gap:10px;justify-content:space-between;align-items:center;flex-wrap:wrap}.pill{display:inline-flex;align-items:center;gap:6px;padding:7px 10px;border-radius:999px;background:#0b1733;border:1px solid var(--border);color:#d9e3ff;font-size:.86rem;font-weight:800}.timer{font-size:clamp(2.8rem,16vw,5.5rem);font-weight:950;text-align:center;line-height:1;margin:18px 0 8px}.progress{height:9px;background:#0a1530;border-radius:999px;overflow:hidden}.progress>i{display:block;height:100%;background:var(--accent);width:0}.question{font-size:clamp(1.2rem,4.7vw,1.65rem);line-height:1.35;font-weight:850;margin:20px 0}.answers{display:grid;grid-template-columns:1fr;gap:12px}.answer{min-height:112px;text-align:left;padding:15px;background:#132750;border:1px solid #385286;color:#fff;display:flex;gap:12px;align-items:flex-start}.answer b{display:grid;place-items:center;flex:0 0 34px;height:34px;border-radius:10px;background:#203d74}.answer.locked{opacity:.55}.answer.selected{outline:3px solid var(--accent);background:#17345b}.answer:disabled{cursor:not-allowed}.center{text-align:center}.big-status{font-size:clamp(1.8rem,8vw,3rem);font-weight:950;margin:10px 0}.correct{color:var(--accent)}.wrong{color:var(--danger)}.leaderboard{display:grid;gap:8px;margin-top:16px}.rank{display:grid;grid-template-columns:44px 1fr auto;gap:10px;align-items:center;background:#0d1937;border:1px solid var(--border);border-radius:14px;padding:11px}.rank strong:last-child{font-variant-numeric:tabular-nums}.waiting-pulse{width:74px;height:74px;border-radius:50%;border:8px solid rgba(79,225,193,.2);border-top-color:var(--accent);margin:20px auto;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.podium{display:grid;grid-template-columns:1fr 1.15fr 1fr;gap:9px;align-items:end;margin:24px 0}.podium>div{background:#13264e;border:1px solid var(--border);border-radius:16px 16px 8px 8px;text-align:center;padding:14px 8px}.podium .p1{min-height:190px}.podium .p2{min-height:150px}.podium .p3{min-height:125px}.podium .medal{font-size:2rem}.tiny{font-size:.8rem;color:var(--muted)}@media(max-width:540px){.answers{grid-template-columns:1fr}.answer{min-height:88px}.card{padding:18px;border-radius:20px}.app-shell{padding:18px 12px 44px}}@media(prefers-reduced-motion:reduce){.waiting-pulse{animation:none}}
.timer.hot{color:var(--danger);transform:scale(1.05)}.roomslots{display:flex;justify-content:center;gap:10px;margin-top:18px}.roomslots i{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:#0c1734;border:1px solid var(--border);font-style:normal;font-weight:900;color:var(--muted)}.roomslots i.on{background:#17345b;border-color:var(--accent);color:var(--accent)}.nextpulse{margin:20px auto 0;padding:12px 14px;border-radius:14px;background:#0d1937;border:1px solid var(--border);color:var(--muted);font-weight:800}.finalscore{font-size:clamp(2.8rem,12vw,5rem);font-weight:1000;color:var(--accent);font-variant-numeric:tabular-nums}.eyebrow{font-size:.78rem;letter-spacing:.18em;color:var(--accent);font-weight:800}

/* CYBERHACK TRAP brand */
.app-logo{display:block;width:clamp(112px,27vw,170px);height:auto;object-fit:contain;margin:0 auto 10px;filter:drop-shadow(0 10px 24px rgba(0,0,0,.26))}.app-logo-sm{width:112px}.app-logo-xs{width:64px;margin:0}.brand-sub{font-size:.92rem;letter-spacing:.08em;font-weight:850;color:var(--accent);text-transform:none;margin:.1rem 0 .45rem}.admin-brand{display:flex;align-items:center;gap:12px;min-width:0}.brandline{align-items:center}.race-brand{display:flex!important;align-items:center;gap:14px;min-width:0}.race-logo{width:86px;height:86px;object-fit:contain;flex:0 0 auto;filter:drop-shadow(0 8px 18px rgba(0,0,0,.3))}.race-brand h1{margin:0}.race-brand .brand-sub{white-space:nowrap}.hero h1{overflow-wrap:anywhere}@media(max-width:640px){.app-logo{width:118px}.app-logo-xs{width:54px}.admin-brand{align-items:flex-start}.race-logo{width:64px;height:64px}.race-brand{gap:9px}.race-brand .brand-sub{white-space:normal;font-size:.72rem}.race-brand h1{font-size:clamp(1.35rem,7vw,2rem)!important}}

/* v5 gamification layer */
body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.16;background-image:linear-gradient(rgba(79,225,193,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(79,225,193,.06) 1px,transparent 1px);background-size:34px 34px;mask-image:linear-gradient(to bottom,black,transparent 82%)}.hero{position:relative}.hero:after{content:"SYSTEM READY";display:inline-block;margin-top:12px;padding:6px 10px;border:1px solid #2c4f78;border-radius:999px;color:#7f9bbb;font-size:.68rem;letter-spacing:.14em;font-weight:900}.card{position:relative;overflow:hidden}.card:before{content:"";position:absolute;inset:0 0 auto 0;height:2px;background:linear-gradient(90deg,transparent,var(--accent),transparent);opacity:.7}.primary{background:linear-gradient(135deg,#4fe1c1,#58ccff);box-shadow:0 10px 28px rgba(79,225,193,.16)}.answer{position:relative;overflow:hidden;transition:transform .14s ease,border-color .14s ease,background .14s ease}.answer:nth-child(1){border-color:#2e7ea9}.answer:nth-child(2){border-color:#7750a9}.answer:nth-child(3){border-color:#9b7837}.answer:nth-child(1) b{background:#174a68}.answer:nth-child(2) b{background:#49326f}.answer:nth-child(3) b{background:#60491f}.answer:not(:disabled):active{transform:scale(.985)}.answer.selected{box-shadow:0 0 0 2px rgba(79,225,193,.18),0 0 28px rgba(79,225,193,.1)}.timer{font-variant-numeric:tabular-nums;text-shadow:0 0 24px rgba(79,225,193,.13)}.progress{border:1px solid #29436d;height:11px}.progress>i{background:linear-gradient(90deg,#4fe1c1,#58ccff)}.pill{box-shadow:inset 0 0 0 1px rgba(255,255,255,.015)}.waiting-pulse{box-shadow:0 0 30px rgba(79,225,193,.13)}.roomslots i.on{box-shadow:0 0 18px rgba(79,225,193,.1)}