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var(--x-color)}.cell.O{color:var(--o-color);text-shadow:0 0 15px var(--o-color)}.cell:disabled{cursor:default}.winner-announcement{color:#fff;font-size:1.2rem;animation:2s infinite pulse}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.1)}to{transform:scale(1)}}.match-id{color:var(--text-secondary);opacity:.5;font-size:.7rem}.loading{color:var(--text-secondary);font-size:1.5rem}.login-container{background:var(--panel-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border-color);border-radius:24px;flex-direction:column;align-items:center;gap:2rem;padding:3rem;display:flex;box-shadow:0 20px 50px #0000004d}.login-container h1{text-align:center;word-break:break-word;background:linear-gradient(45deg, var(--x-color), var(--o-color));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin:0;padding:.1em .2em;font-size:2rem;font-weight:800}.login-form{flex-direction:column;gap:1.5rem;width:100%;display:flex}.login-form input{border:1px solid var(--border-color);color:#fff;background:#ffffff0d;border-radius:12px;outline:none;padding:1rem;font-size:1.2rem}.login-form input:focus{border-color:var(--x-color)}.login-form button{background:linear-gradient(45deg, var(--x-color), var(--o-color));color:#fff;cursor:pointer;border:none;border-radius:12px;padding:1rem;font-size:1.2rem;font-weight:700;transition:opacity .2s}.login-form button:hover{opacity:.9}.match-controls{flex-direction:column;align-items:center;gap:1rem;display:flex}.leaderboard-btn{border:1px solid var(--border-color);color:#fff;cursor:pointer;background:#ffffff1a;border-radius:12px;padding:.8rem 1.5rem;font-weight:700;transition:all .2s 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