.quality-toggle-btn {
    position: absolute;
    bottom: 15px;
    left: 15px;
    z-index: 102;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(31, 38, 135, 0.2), 
                inset 0 1px 0 rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(20px) saturate(180%);
    color: #374151;
    cursor: pointer;
    font-family: 'Poppins', Arial, sans-serif;
    font-weight: 500;
    font-size: 13px;
    text-align: center;
    line-height: 1.2;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 10px 16px;
    width: var(--quality-btn-width) !important;
    min-width: var(--quality-btn-width) !important;
    max-width: var(--quality-btn-width) !important;
    box-sizing: border-box !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    word-break: keep-all !important;
    flex-shrink: 0 !important;
    flex-grow: 0 !important;
    transition: all 0.3s ease;
    outline: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    -webkit-tap-highlight-color: transparent;
    background-image: linear-gradient(135deg, 
        rgba(34, 197, 94, 0.08) 0%, 
        rgba(59, 130, 246, 0.08) 25%, 
        rgba(168, 85, 247, 0.08) 50%, 
        rgba(236, 72, 153, 0.08) 75%, 
        rgba(251, 146, 60, 0.08) 100%);
    background-size: 250% 250%;
    animation: qualityAurora 7s ease-in-out infinite, qualityPulse 3s ease-in-out infinite;
}

@keyframes qualityAurora {
    0%, 100% { background-position: 0% 0%; }
    25% { background-position: 100% 0%; }
    50% { background-position: 100% 100%; }
    75% { background-position: 0% 100%; }
}

@keyframes qualityPulse {
    0%, 100% { 
        box-shadow: 0 8px 32px rgba(31, 38, 135, 0.2), 
                    inset 0 1px 0 rgba(255, 255, 255, 0.25);
    }
    50% { 
        box-shadow: 0 12px 40px rgba(31, 38, 135, 0.3), 
                    inset 0 1px 0 rgba(255, 255, 255, 0.35);
    }
}

.quality-toggle-btn:hover {
    transform: scale(1.05) translateY(-1px);
    background: rgba(255, 255, 255, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.35);
    box-shadow: 0 16px 48px rgba(31, 38, 135, 0.35), 
                inset 0 1px 0 rgba(255, 255, 255, 0.45);
    backdrop-filter: blur(25px) saturate(200%);
    background-image: linear-gradient(135deg, 
        rgba(34, 197, 94, 0.12) 0%, 
        rgba(59, 130, 246, 0.12) 25%, 
        rgba(168, 85, 247, 0.12) 50%, 
        rgba(236, 72, 153, 0.12) 75%, 
        rgba(251, 146, 60, 0.12) 100%);
    animation: qualityAurora 5s ease-in-out infinite, qualityHoverGlow 2s ease-in-out infinite;
    width: var(--quality-btn-width) !important;
    min-width: var(--quality-btn-width) !important;
    max-width: var(--quality-btn-width) !important;
}

@keyframes qualityHoverGlow {
    0%, 100% { filter: brightness(1) saturate(180%); }
    50% { filter: brightness(1.1) saturate(220%); }
}

.quality-toggle-btn:active {
    transform: scale(0.98);
    transition: transform 0.1s ease;
    width: var(--quality-btn-width) !important;
    min-width: var(--quality-btn-width) !important;
    max-width: var(--quality-btn-width) !important;
}

.quality-toggle-btn:focus {
    outline: none;
    box-shadow: 0 16px 48px rgba(31, 38, 135, 0.35), 
                inset 0 1px 0 rgba(255, 255, 255, 0.45);
    width: var(--quality-btn-width) !important;
    min-width: var(--quality-btn-width) !important;
    max-width: var(--quality-btn-width) !important;
}

.quality-toggle-btn.enhanced {
    background: rgba(75, 85, 99, 0.95);
    color: #e5e7eb;
    border: 1px solid rgba(55, 65, 81, 0.8);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25), 
                inset 0 1px 0 rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px) saturate(100%);
    background-image: none;
    animation: none;
    font-weight: 400;
    text-shadow: none;
    opacity: 0.9;
    width: var(--quality-btn-width) !important;
    min-width: var(--quality-btn-width) !important;
    max-width: var(--quality-btn-width) !important;
    box-sizing: border-box !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    word-break: keep-all !important;
    flex-shrink: 0 !important;
    flex-grow: 0 !important;
}

.quality-toggle-btn.enhanced:hover {
    transform: scale(1.01);
    background: rgba(55, 65, 81, 0.95);
    border: 1px solid rgba(31, 41, 55, 0.8);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3), 
                inset 0 1px 0 rgba(255, 255, 255, 0.05);
    width: var(--quality-btn-width) !important;
    min-width: var(--quality-btn-width) !important;
    max-width: var(--quality-btn-width) !important;
}

.quality-toggle-btn.enhanced:active {
    transform: scale(0.99);
    transition: transform 0.1s ease;
    width: var(--quality-btn-width) !important;
    min-width: var(--quality-btn-width) !important;
    max-width: var(--quality-btn-width) !important;
}

.quality-toggle-btn.enhanced:focus {
    outline: none;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3), 
                inset 0 1px 0 rgba(255, 255, 255, 0.05);
    width: var(--quality-btn-width) !important;
    min-width: var(--quality-btn-width) !important;
    max-width: var(--quality-btn-width) !important;
}
@media screen and (max-width: 768px) {
    .quality-toggle-btn {
        bottom: 12px;
        left: 12px;
        font-size: 12px;
        padding: 8px 14px;
        width: var(--quality-btn-width) !important;
        min-width: var(--quality-btn-width) !important;
        max-width: var(--quality-btn-width) !important;
        white-space: nowrap !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
        box-sizing: border-box !important;
        flex-shrink: 0 !important;
    }
    
    .quality-toggle-btn:hover {
        width: var(--quality-btn-width) !important;
        min-width: var(--quality-btn-width) !important;
        max-width: var(--quality-btn-width) !important;
    }
    
    .quality-toggle-btn:active {
        width: var(--quality-btn-width) !important;
        min-width: var(--quality-btn-width) !important;
        max-width: var(--quality-btn-width) !important;
    }
    
    .quality-toggle-btn:focus {
        width: var(--quality-btn-width) !important;
        min-width: var(--quality-btn-width) !important;
        max-width: var(--quality-btn-width) !important;
    }
    
    .quality-toggle-btn.enhanced {
        width: var(--quality-btn-width) !important;
        min-width: var(--quality-btn-width) !important;
        max-width: var(--quality-btn-width) !important;
        font-size: 12px;
        padding: 8px 14px;
        white-space: nowrap !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
        box-sizing: border-box !important;
        flex-shrink: 0 !important;
    }
    
    .quality-toggle-btn.enhanced:hover {
        width: var(--quality-btn-width) !important;
        min-width: var(--quality-btn-width) !important;
        max-width: var(--quality-btn-width) !important;
    }
    
    .quality-toggle-btn.enhanced:active {
        width: var(--quality-btn-width) !important;
        min-width: var(--quality-btn-width) !important;
        max-width: var(--quality-btn-width) !important;
    }
    
    .quality-toggle-btn.enhanced:focus {
        width: var(--quality-btn-width) !important;
        min-width: var(--quality-btn-width) !important;
        max-width: var(--quality-btn-width) !important;
    }
}

@media screen and (max-width: 480px) {
    .quality-toggle-btn {
        bottom: 10px;
        left: 10px;
        font-size: 11px;
        padding: 8px 12px;
        border-radius: 6px;
        width: var(--quality-btn-width) !important;
        min-width: var(--quality-btn-width) !important;
        max-width: var(--quality-btn-width) !important;
        white-space: nowrap !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
        box-sizing: border-box !important;
        flex-shrink: 0 !important;
    }
    
    .quality-toggle-btn:hover {
        width: var(--quality-btn-width) !important;
        min-width: var(--quality-btn-width) !important;
        max-width: var(--quality-btn-width) !important;
    }
    
    .quality-toggle-btn:active {
        width: var(--quality-btn-width) !important;
        min-width: var(--quality-btn-width) !important;
        max-width: var(--quality-btn-width) !important;
    }
    
    .quality-toggle-btn:focus {
        
        width: var(--quality-btn-width) !important;
        min-width: var(--quality-btn-width) !important;
        max-width: var(--quality-btn-width) !important;
    }
    
    .quality-toggle-btn.enhanced {
        width: var(--quality-btn-width) !important;
        min-width: var(--quality-btn-width) !important;
        max-width: var(--quality-btn-width) !important;
        font-size: 11px;
        padding: 8px 12px;
        border-radius: 6px;
        white-space: nowrap !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
        box-sizing: border-box !important;
        flex-shrink: 0 !important;
    }
    
    .quality-toggle-btn.enhanced:hover {
        width: var(--quality-btn-width) !important;
        min-width: var(--quality-btn-width) !important;
        max-width: var(--quality-btn-width) !important;
    }
    
    .quality-toggle-btn.enhanced:active {
        width: var(--quality-btn-width) !important;
        min-width: var(--quality-btn-width) !important;
        max-width: var(--quality-btn-width) !important;
    }
    
    .quality-toggle-btn.enhanced:focus {
        width: var(--quality-btn-width) !important;
        min-width: var(--quality-btn-width) !important;
        max-width: var(--quality-btn-width) !important;
    }
}

@media screen and (max-width: 360px) {
    .quality-toggle-btn {
        font-size: 9px;
        padding: 4px 8px;
        line-height: 1.1;
        height: 30px;
        min-height: 30px;
        max-height: 30px;
        border-radius: 6px;
        width: var(--quality-btn-width) !important;
        min-width: var(--quality-btn-width) !important;
        max-width: var(--quality-btn-width) !important;
        white-space: nowrap !important;
        word-break: keep-all !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
        box-sizing: border-box !important;
        flex-shrink: 0 !important;
    }
    
    .quality-toggle-btn:hover {
        width: var(--quality-btn-width) !important;
        min-width: var(--quality-btn-width) !important;
        max-width: var(--quality-btn-width) !important;
        height: 30px;
        min-height: 30px;
        max-height: 30px;
    }
    
    .quality-toggle-btn:active {
        width: var(--quality-btn-width) !important;
        min-width: var(--quality-btn-width) !important;
        max-width: var(--quality-btn-width) !important;
        height: 30px;
        min-height: 30px;
        max-height: 30px;
    }
    
    .quality-toggle-btn:focus {
        width: var(--quality-btn-width) !important;
        min-width: var(--quality-btn-width) !important;
        max-width: var(--quality-btn-width) !important;
        height: 30px;
        min-height: 30px;
        max-height: 30px;
    }
    
    .quality-toggle-btn.enhanced {
        width: var(--quality-btn-width) !important;
        min-width: var(--quality-btn-width) !important;
        max-width: var(--quality-btn-width) !important;
        font-size: 9px;
        padding: 4px 8px;
        line-height: 1.1;
        height: 30px;
        min-height: 30px;
        max-height: 30px;
        border-radius: 6px;
        white-space: nowrap !important;
        word-break: keep-all !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
        box-sizing: border-box !important;
        flex-shrink: 0 !important;
    }
    
    .quality-toggle-btn.enhanced:hover {
        width: var(--quality-btn-width) !important;
        min-width: var(--quality-btn-width) !important;
        max-width: var(--quality-btn-width) !important;
        height: 30px;
        min-height: 30px;
        max-height: 30px;
    }
    
    .quality-toggle-btn.enhanced:active {
        width: var(--quality-btn-width) !important;
        min-width: var(--quality-btn-width) !important;
        max-width: var(--quality-btn-width) !important;
        height: 30px;
        min-height: 30px;
        max-height: 30px;
    }
    
    .quality-toggle-btn.enhanced:focus {
        width: var(--quality-btn-width) !important;
        min-width: var(--quality-btn-width) !important;
        max-width: var(--quality-btn-width) !important;
        height: 30px;
        min-height: 30px;
        max-height: 30px;
    }
}