.rematch-panel:empty{display:none}.rematch-panel{margin-top:20px;padding:28px;border:1px solid #ffba47;border-radius:18px;background:linear-gradient(120deg,#271d34,#0c263e);box-shadow:0 0 28px #f9a92218}.rematch-panel h2{font-size:clamp(24px,4vw,36px);color:#ffd276;margin:0 0 12px}.rematch-panel p{margin-bottom:18px;line-height:1.6}.rematch-panel .btn{min-height:52px}#room-match-history summary{cursor:pointer;color:#79dfff;font-weight:700}