:root { --bg:#0b0b0b; --fg:#f0f0f0; --muted:#9ca3af; --accent:#22c55e; --danger:#ef4444; --card:#171717; --ring:#ffffff33; }
*{box-sizing:border-box} html,body{height:100%}
body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,Helvetica Neue,Arial;background:var(--bg);color:var(--fg)}
.container{max-width:960px;margin:0 auto;padding:24px}
.grid{display:grid;gap:12px}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.card{background:var(--card);border:1px solid #2a2a2a;border-radius:16px;padding:16px;box-shadow:0 6px 20px var(--ring)}
.input{background:#101010;color:#fff;border:1px solid #2a2a2a;padding:10px 12px;border-radius:10px}
.select{background:#101010;color:#fff;border:1px solid #2a2a2a;padding:10px 12px;border-radius:10px}
.btn{border:0;padding:12px 16px;border-radius:12px;cursor:pointer;font-weight:700}
.btn.primary{background:var(--accent);color:#031}
.btn.danger{background:var(--danger);color:#fff}
.btn.ghost{background:#2a2a2a;color:#fff}
.badge{padding:2px 8px;border-radius:999px;background:#222;border:1px solid #333;font-size:12px}
.table{width:100%;border-collapse:collapse}
.table th,.table td{text-align:left;padding:8px 10px;border-bottom:1px solid #2a2a2a}
.table th{color:var(--muted);font-weight:600}

/* Big buzzer */
.buzzer{display:grid;place-items:center;width:100%;height:45vh;border-radius:24px;
  background:radial-gradient(circle at 50% 30%,#2a2a2a,#111);
  border:6px solid #333;box-shadow:inset 0 0 40px #000,0 10px 40px #0008}
.buzzer button{font-size:28px;padding:24px 28px;border-radius:999px;border:0;background:#f59e0b;color:#220;
  box-shadow:0 6px 0 #b45309,0 10px 30px #0009;cursor:pointer}
.buzzer button:active{transform:translateY(2px);box-shadow:0 4px 0 #b45309,0 6px 20px #0009}

.flash{animation:flash 300ms ease-in-out}
@keyframes flash{from{outline:6px solid #fff8} to{outline:0 solid transparent}}

/* Overlay */
.overlay-hero{font-size:clamp(40px,8vw,120px);font-weight:900;text-align:center;margin:10vh 0 2vh}
.overlay-sub{text-align:center;opacity:.8;margin-bottom:2vh;font-size:clamp(14px,2vw,22px)}
.leader{max-width:800px;margin:16px auto 0}
.leader .row{justify-content:space-between;border-bottom:1px dashed #333;padding:6px 0}

/* Teams */
.team-badges{display:flex;gap:8px;justify-content:center;margin-top:8px}

/* Questions */
.qblock{max-width:960px;margin:16px auto 0}
.qtext{font-size:clamp(18px,2.6vw,28px);font-weight:700;margin:8px 0}
.atext{font-size:clamp(16px,2.2vw,24px);opacity:.9}