@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;600;700;800&family=Space+Grotesk:wght@600;700&display=swap');
:root { --ink:#f7f7ff; --muted:#a6a4bc; --panel:#171528; --line:#2b2944; --violet:#9147ff; --cyan:#31e6c6; --yellow:#ffd166; --red:#ff6b8a; }
* { box-sizing:border-box; }
body { margin:0; min-height:100vh; color:var(--ink); font-family:Manrope,system-ui,sans-serif; background:radial-gradient(circle at 10% 10%,#33206a 0,transparent 28%),radial-gradient(circle at 85% 20%,#123b46 0,transparent 25%),#0d0b17; }
.shell { max-width:1240px; margin:auto; padding:32px; }
header,.brand,.eyebrow,.controls,.demo-card,form { display:flex; align-items:center; }
header { justify-content:space-between; margin-bottom:30px; }
.brand { gap:14px; }.logo { display:grid;place-items:center;width:58px;height:58px;border-radius:18px;background:#171528;box-shadow:0 12px 35px #9147ff55;overflow:hidden; }
.logo img { width:100%;height:100%;object-fit:contain;display:block; }
h1,h2,h3,p { margin:0; } h1 { font:700 25px Space Grotesk; } header p,.demo-card p { color:var(--muted);font-size:13px;margin-top:3px; }
.connection { padding:9px 14px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:12px;background:#11101eaa; }
.connection[data-state="live"] { color:var(--cyan);border-color:#31e6c655; }.connection[data-state="error"] { color:var(--red); }
.hero { display:grid;grid-template-columns:minmax(0,1.75fr) minmax(280px,.75fr);gap:20px; }
.quiz-card,.leaderboard-card,.demo-card { background:linear-gradient(145deg,#1c1930ee,#12101fee);border:1px solid var(--line);border-radius:24px;box-shadow:0 22px 80px #0005; }
.quiz-card { padding:28px;min-height:470px; }.leaderboard-card { padding:24px; }
.eyebrow { justify-content:space-between;color:var(--muted);font-size:11px;font-weight:800;letter-spacing:.1em; }.eyebrow a { color:var(--cyan);text-decoration:none;letter-spacing:0; }
#state[data-status="open"] { color:var(--cyan); } #state[data-status="closed"] { color:var(--yellow); }
h2 { font:700 clamp(25px,3vw,42px)/1.13 Space Grotesk;margin:42px 0 28px;max-width:800px; }
.options,.leaderboard { list-style:none;margin:0;padding:0;display:grid;gap:10px; }
.option { display:grid;grid-template-columns:42px 1fr 34px;align-items:center;gap:12px;padding:13px 15px;border:1px solid var(--line);border-radius:14px;background:#0d0c18aa; }
.option span { display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:#2a2546;color:#d8c9ff;font-weight:800; }.option small { color:var(--muted);text-align:right; }.option.correct { border-color:#31e6c688;background:#12372f; }.option.correct span { background:var(--cyan);color:#07251f; }
.controls { gap:9px;margin-top:26px;flex-wrap:wrap; } button,input,select { font:inherit; } button { border:1px solid var(--line);border-radius:12px;background:#26223a;color:var(--ink);padding:11px 16px;font-weight:700;cursor:pointer; } button:hover { transform:translateY(-1px); }.primary { background:var(--violet);border-color:var(--violet); }.quiet { color:var(--muted);background:transparent; }
.leaderboard { margin-top:25px; }.leaderboard li { display:grid;grid-template-columns:28px 1fr auto;align-items:center;gap:9px;padding:12px;border-bottom:1px solid var(--line); }.leaderboard li b { color:var(--yellow); }.leaderboard li strong { color:var(--cyan); }.leaderboard .empty { display:block;color:var(--muted);border:0;text-align:center;padding:80px 10px; }
.demo-card { margin-top:20px;padding:22px 26px;justify-content:space-between;gap:20px; }.tag { color:var(--cyan);font-size:10px;font-weight:800;letter-spacing:.12em; }.demo-card h3 { font:700 20px Space Grotesk;margin-top:4px; }
form { gap:12px; } label { color:var(--muted);font-size:11px;font-weight:700; } input,select { display:block;margin-top:5px;background:#0e0c19;border:1px solid var(--line);border-radius:10px;color:var(--ink);padding:10px; }
.toast { position:fixed;left:50%;bottom:26px;transform:translate(-50%,20px);opacity:0;background:var(--ink);color:#171322;padding:10px 16px;border-radius:10px;font-weight:700;transition:.2s; }.toast.show { transform:translate(-50%,0);opacity:1; }
.overlay-page { background:transparent; }.overlay-wrap { position:relative;min-height:100vh;padding:78px 24px 24px;display:grid;grid-template-columns:1fr 340px;gap:18px;align-items:end; }.overlay-panel { min-height:0;background:#12101fee; }.overlay-panel h2 { margin:25px 0 18px;font-size:30px; }.overlay-board { background:#12101fee; }
.overlay-brand { position:absolute;top:20px;left:24px;display:flex;align-items:center;gap:10px;padding:7px 13px 7px 8px;border:1px solid #ffffff22;border-radius:15px;background:#12101fdd;box-shadow:0 12px 40px #0006;font:700 17px Space Grotesk;letter-spacing:.01em; }
.overlay-brand img { width:38px;height:38px;object-fit:contain; }
@media (max-width:800px) { .shell{padding:18px}.hero{grid-template-columns:1fr}.demo-card,form{align-items:stretch;flex-direction:column}header{align-items:flex-start;gap:15px;flex-direction:column}.overlay-wrap{grid-template-columns:1fr}.overlay-board{display:none} }