.arena-mp-card{margin-top:16px;padding:16px;border:1px solid #bfdbfe;border-radius:14px;background:#f8fbff}
.arena-mp-guest-card{border:2px solid #60a5fa;background:#f8fbff}
.arena-mp-card h4{margin:0 0 8px;color:#174b7a}
.arena-mp-controls,.arena-mp-join,.arena-mp-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end;margin-top:10px}
.arena-mp-controls label{min-width:165px;flex:1 1 165px}
.arena-mp-controls button{flex:1 1 210px}
.arena-mp-controls select,.arena-mp-join input{width:100%;padding:11px;border:1px solid #94a3b8;border-radius:9px;background:#fff;font:inherit}
.arena-mp-join input{text-transform:uppercase;letter-spacing:.15em;font-weight:900;max-width:240px}
#arenaMpGuestName{text-transform:none;letter-spacing:normal;font-weight:600}
.arena-mp-room{margin-top:14px;padding:14px;border:1px solid #93c5fd;border-radius:12px;background:#fff}
.arena-mp-code{display:inline-block;padding:6px 11px;border-radius:9px;background:#172554;color:#fff;font-size:1.2rem;font-weight:900;letter-spacing:.16em}
.arena-mp-link{overflow-wrap:anywhere;font-size:13px}
.arena-mp-players{display:grid;gap:7px;margin:12px 0}
.arena-mp-player{display:flex;justify-content:space-between;gap:10px;padding:9px 11px;border:1px solid #e2e8f0;border-radius:9px;background:#f8fafc}
.arena-mp-player.me{border-color:#60a5fa;background:#eff6ff}
.arena-mp-status{font-weight:800;color:#475569}
.arena-mp-game{margin-top:14px}
.arena-mp-top{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:8px}
.arena-mp-frame{display:block;width:100%;min-height:420px;border:1px solid #cbd5e1;border-radius:12px;background:#fff}
.arena-mp-feedback{margin-top:10px;padding:10px 12px;border-radius:10px;background:#eff6ff;color:#1e3a8a;font-weight:700}
.arena-mp-feedback.ok{background:#dcfce7;color:#166534}.arena-mp-feedback.bad{background:#fee2e2;color:#991b1b}
.arena-mp-sync-warning{margin-top:10px;padding:9px 11px;border-radius:9px;background:#fff7ed;color:#9a3412;font-weight:750}
.arena-mp-loading{margin-top:14px;padding:18px;border:2px solid #60a5fa;border-radius:14px;background:#eff6ff;text-align:center}
.arena-mp-result-note{margin:12px 0;padding:12px;border-left:5px solid #16a34a;border-radius:10px;background:#ecfdf5;color:#166534}
.arena-mp-leaderboard{width:100%;border-collapse:collapse;margin-top:12px}
.arena-mp-leaderboard th,.arena-mp-leaderboard td{padding:8px;border:1px solid #dbeafe;text-align:left}
.arena-mp-leaderboard tr.me{background:#eff6ff;font-weight:800}
@media(max-width:640px){.arena-mp-controls>*{flex:1 1 100%}.arena-mp-join input,.arena-mp-join button{max-width:none;width:100%}.arena-mp-top{align-items:flex-start;flex-direction:column}}