:root{--navy:#07182b;--navy2:#102f52;--blue:#1e74d6;--gold:#f6c945;--white:#fff;--muted:#cbd5e1;--panel:rgba(255,255,255,.09);--panel2:rgba(255,255,255,.14);--border:rgba(255,255,255,.18);--green:#22c55e;--red:#ef4444;--ink:#101828}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:radial-gradient(circle at top left,rgba(56,189,248,.3),transparent 34%),linear-gradient(135deg,var(--navy),var(--navy2));color:var(--white);min-height:100vh}.game-header{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;padding:30px 24px 18px;width:min(1240px,100%);margin:0 auto}.eyebrow{display:inline-block;border:1px solid rgba(246,201,69,.55);color:#fff7cc;background:rgba(246,201,69,.14);border-radius:999px;padding:7px 13px;font-weight:800;font-size:.9rem}.game-header h1{margin:14px 0 8px;font-size:clamp(2.2rem,5vw,4.4rem);letter-spacing:-1px}.game-header p{margin:0;color:var(--muted);max-width:760px;line-height:1.5}.header-actions,.button-row{display:flex;gap:10px;flex-wrap:wrap}.btn{border:1px solid var(--border);background:var(--panel2);color:white;padding:11px 14px;border-radius:13px;cursor:pointer;font-weight:800;text-decoration:none;display:inline-block}.btn:hover{background:rgba(255,255,255,.2)}.btn.primary{background:var(--gold);color:#111827}.btn.danger{background:rgba(239,68,68,.18);border-color:rgba(239,68,68,.45)}.game-shell{width:min(1240px,calc(100% - 28px));margin:12px auto 46px}.panel,.team-card{background:var(--panel);border:1px solid var(--border);border-radius:22px;padding:22px;box-shadow:0 24px 70px rgba(0,0,0,.24);backdrop-filter:blur(8px)}.panel-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:16px}.panel h2{margin:0}.panel p{color:var(--muted)}.setup-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-bottom:18px}label{display:grid;gap:7px;font-weight:800;color:#eef6ff}input,select{width:100%;border:1px solid rgba(255,255,255,.25);background:rgba(2,6,23,.42);color:white;border-radius:12px;padding:12px;font-size:1rem}.scoreboard{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:16px 0}.team-card{padding:16px;position:relative;overflow:hidden}.team-card.is-active{border-color:rgba(246,201,69,.75);box-shadow:0 0 0 3px rgba(246,201,69,.16),0 24px 70px rgba(0,0,0,.24)}.team-card h3{margin:0 0 6px;font-size:1.1rem}.team-card strong{font-size:2.3rem;color:var(--gold)}.team-card span{display:block;color:var(--muted);font-size:.92rem}.round-bar{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:16px}.active-team{color:#fff7cc;font-weight:900}.timer-wrap{display:flex;align-items:center;gap:10px}.timer{display:grid;place-items:center;width:80px;height:80px;border-radius:50%;background:var(--gold);color:#111827;font-size:2.1rem;font-weight:950}.timer.is-low{background:var(--red);color:white}.icon-btn{border:1px solid var(--border);background:rgba(255,255,255,.1);color:white;border-radius:12px;padding:10px 12px;font-weight:800;cursor:pointer}.domain-chip{display:inline-block;background:rgba(30,116,214,.55);border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:7px 11px;font-weight:900;color:#eaf3ff}.question-prompt{font-size:clamp(1.35rem,3vw,2.35rem);line-height:1.24;color:white;margin:18px 0}.answer-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.answer-option{min-height:84px;text-align:left;border:1px solid var(--border);background:rgba(255,255,255,.09);color:white;border-radius:18px;padding:16px;cursor:pointer;font-weight:900;font-size:1.05rem}.answer-option:hover{background:rgba(255,255,255,.16)}.answer-option.is-correct{background:rgba(34,197,94,.25);border-color:rgba(34,197,94,.7)}.answer-option.is-wrong{background:rgba(239,68,68,.22);border-color:rgba(239,68,68,.7)}.answer-letter{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;background:rgba(246,201,69,.2);color:#fff7cc;margin-right:10px}.feedback{display:none;margin-top:16px;border-radius:18px;padding:16px;line-height:1.5}.feedback.show{display:block}.feedback.good{background:rgba(34,197,94,.16);border:1px solid rgba(34,197,94,.45)}.feedback.bad{background:rgba(239,68,68,.16);border:1px solid rgba(239,68,68,.45)}.controls{margin-top:16px}.winner-panel{text-align:center}.winner-panel h2{font-size:clamp(2rem,5vw,4rem);color:var(--gold)}.is-hidden{display:none!important}@media(max-width:900px){.game-header{display:block}.header-actions{margin-top:14px}.setup-grid,.scoreboard,.answer-grid{grid-template-columns:1fr 1fr}}@media(max-width:620px){.setup-grid,.scoreboard,.answer-grid{grid-template-columns:1fr}.btn,.answer-option{width:100%}.round-bar{align-items:flex-start;flex-direction:column}.timer{width:68px;height:68px}}