:root{--navy:#17324d;--teal:#176b6f;--gold:#b69347;--ink:#243342;--muted:#647384;--bg:#f4f6f8;--white:#fff;--danger:#9b2c2c;--ok:#237a57}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Tahoma","Arial",sans-serif;line-height:1.8}header{background:var(--navy);color:#fff;padding:14px max(5vw,20px);display:flex;justify-content:space-between;align-items:center;gap:20px}.brand{font-size:1.15rem;font-weight:700}nav{display:flex;gap:14px;flex-wrap:wrap}nav a{color:#fff;text-decoration:none}main{max-width:1080px;margin:28px auto;padding:0 20px 50px}h1,h2,h3{color:var(--navy);line-height:1.45}.lead{font-size:1.08rem;color:var(--muted)}.notice{background:#fff8e6;border-right:5px solid var(--gold);padding:14px 18px;border-radius:8px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}.card{background:var(--white);border:1px solid #dce3e8;border-radius:12px;padding:20px;box-shadow:0 3px 12px #17324d0d}.card h2,.card h3{margin-top:0}.btn,button{display:inline-block;background:var(--teal);color:white;border:0;border-radius:8px;padding:10px 18px;font:inherit;cursor:pointer;text-decoration:none}.btn.secondary{background:var(--navy)}button:disabled{opacity:.55;cursor:not-allowed}label{display:block;font-weight:700;margin-top:12px}input,select,textarea{width:100%;padding:11px;border:1px solid #b8c4ce;border-radius:7px;font:inherit;background:#fff}textarea{min-height:110px}.question{margin:18px 0}.option{display:flex;gap:9px;align-items:flex-start;padding:7px;border-radius:6px}.option input{width:auto;margin-top:8px}.option label{margin:0;font-weight:400}.metric{font-size:1.8rem;font-weight:700;color:var(--teal)}table{width:100%;border-collapse:collapse;background:#fff;font-size:.93rem}th,td{padding:10px;border:1px solid #dbe2e7;text-align:right}th{background:#e9eef2;color:var(--navy)}.table-wrap{overflow:auto}.bar{height:12px;background:#dce5e8;border-radius:8px;overflow:hidden}.bar span{display:block;height:100%;background:var(--teal)}.screen-bar{height:28px}.live-screen{font-size:1.3rem;min-height:55vh}.live-screen .metric{font-size:2.8rem}.text-wall{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}.text-wall p{background:#eef4f4;padding:14px;border-radius:10px}.error{color:var(--danger)}.success{color:var(--ok)}footer{text-align:center;padding:22px;background:#e5eaee;color:var(--muted)}.fun-btn{background:#6b35b5}.game-hero{background:linear-gradient(135deg,#54269b,#8b3fd0);color:#fff;text-align:center;border:0}.game-hero h1,.game-hero h2,.game-hero h3{color:#fff}.join-code{font-size:3rem;letter-spacing:.2em;font-weight:900}.game-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.game-option{min-height:90px;font-weight:700;font-size:1.1rem;background:#2b6cb0}.game-option:nth-child(2){background:#c53030}.game-option:nth-child(3){background:#d69e2e}.game-option:nth-child(4){background:#2f855a}.game-timer{font-size:2rem;font-weight:900;color:#6b35b5}.game-hero .game-timer{color:#fff}.leaderboard{list-style:none;padding:0}.leaderboard li{display:flex;justify-content:space-between;background:#f2ebfb;color:#243342;margin:7px 0;padding:10px 14px;border-radius:8px}.player-pill{display:inline-block;background:#fff;color:#54269b;border-radius:30px;padding:6px 14px;margin:5px;font-weight:700}@media(max-width:640px){header{align-items:flex-start;flex-direction:column}main{margin-top:18px;padding-inline:14px}h1{font-size:1.55rem}.card{padding:15px}table{font-size:.83rem}.game-options{grid-template-columns:1fr}.join-code{font-size:2.2rem}}