.button-group-container{position:fixed;bottom:25px;right:25px;z-index:9999;display:flex;flex-direction:column;gap:12px;}.button-group-btn{position:relative;padding:10px 28px;border-radius:40px;cursor:pointer;font-size:13px;font-weight:600;letter-spacing:1.5px;text-align:center;white-space:nowrap;background:rgba(10, 20, 30, 0.65);backdrop-filter:blur(8px);color:#a0f0ff;border:1px solid rgba(0, 212, 255, 0.5);transition:all 0.3s cubic-bezier(0.2, 0.9, 0.4, 1.1);box-shadow:0 0 8px rgba(0, 212, 255, 0.2);text-shadow:0 0 3px rgba(0, 212, 255, 0.3);}.button-group-btn::before{content:'';position:absolute;top:0;left:-100%;width:80%;height:100%;background:linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.4), transparent);transform:skewX(-25deg);transition:left 0.6s ease;pointer-events:none;}.button-group-btn:hover::before{left:150%;}.button-group-btn.active{background:linear-gradient(135deg, #00d4ff, #ff6b35);color:white;border-color:transparent;box-shadow:0 0 18px rgba(0, 212, 255, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.25);text-shadow:0 0 4px rgba(0, 0, 0, 0.5);}.button-group-btn.active::before{display:none;}.button-group-btn:hover:not(.active){border-color:#00d4ff;color:#ffffff;transform:translateX(-3px) translateY(-2px);box-shadow:0 0 20px rgba(0, 212, 255, 0.5);background:rgba(0, 212, 255, 0.15);}.button-group-btn-refresh{border-color:rgba(255, 107, 53, 0.6);color:#ffaa66;box-shadow:0 0 8px rgba(255, 107, 53, 0.2);text-shadow:0 0 3px rgba(255, 107, 53, 0.3);}.button-group-btn-refresh::before{background:linear-gradient(90deg, transparent, rgba(255, 107, 53, 0.4), transparent);}.button-group-btn-refresh:hover:not(.active){border-color:#ff6b35;color:#ffffff;box-shadow:0 0 20px rgba(255, 107, 53, 0.5);background:rgba(255, 107, 53, 0.15);}.button-group-divider{height:1px;background:linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.5), transparent);margin:6px 0;width:100%;}