/* Back to Top Button */
.back-to-top {
    position: fixed !important;
    bottom: 2rem !important;
    right: 2rem !important;
    width: 50px !important;
    height: 50px !important;
    background: rgba(128, 128, 128, 0.6) !important;
    backdrop-filter: blur(10px) !important;
    -webkit-backdrop-filter: blur(10px) !important;
    border: 1px solid rgba(255, 255, 255, 0.4) !important;
    border-radius: 50% !important;
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    opacity: 0 !important;
    visibility: hidden !important;
    transform: translateY(20px) !important;
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease !important;
    z-index: 2147483647 !important; /* Maximum z-index value */
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3) !important;
    padding: 0 !important;
    pointer-events: none !important;
    -webkit-tap-highlight-color: transparent !important;
    touch-action: manipulation !important;
    -webkit-user-select: none !important;
    user-select: none !important;
    margin: 0 !important;
    box-sizing: border-box !important;
    left: auto !important;
    top: auto !important;
}

.back-to-top.show {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
    display: flex !important;
    pointer-events: auto !important;
}

.back-to-top:hover {
    background: rgba(128, 128, 128, 0.3);
    transform: translateY(-3px);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.15);
    border-color: rgba(255, 255, 255, 0.25);
}

.back-to-top:active {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
    stroke: #f6b21b;
    transition: transform 0.3s ease;
}

.back-to-top:hover svg {
    transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 768px) {
    .back-to-top {
        width: 45px !important;
        height: 45px !important;
        bottom: 1.5rem !important;
        right: 1.5rem !important;
        z-index: 2147483647 !important; /* Maximum z-index value */
        position: fixed !important;
        display: flex !important;
        background: rgba(128, 128, 128, 0.7) !important;
        border: 1px solid rgba(255, 255, 255, 0.5) !important;
        opacity: 0 !important;
        visibility: hidden !important;
        pointer-events: none !important;
        margin: 0 !important;
        padding: 0 !important;
        box-sizing: border-box !important;
        left: auto !important;
        top: auto !important;
    }

    .back-to-top.show {
        opacity: 1 !important;
        visibility: visible !important;
        display: flex !important;
        pointer-events: auto !important;
        transform: translateY(0) !important;
    }

    .back-to-top svg {
        width: 20px !important;
        height: 20px !important;
        display: block !important;
        stroke: #f6b21b !important;
    }
}

@media (max-width: 480px) {
    .back-to-top {
        width: 44px !important;
        height: 44px !important;
        bottom: 1.25rem !important;
        right: 1.25rem !important;
        z-index: 2147483647 !important; /* Maximum z-index value */
        position: fixed !important;
        display: flex !important;
        background: rgba(128, 128, 128, 0.7) !important;
        border: 1px solid rgba(255, 255, 255, 0.5) !important;
        opacity: 0 !important;
        visibility: hidden !important;
        pointer-events: none !important;
        margin: 0 !important;
        padding: 0 !important;
        box-sizing: border-box !important;
        left: auto !important;
        top: auto !important;
    }

    .back-to-top.show {
        opacity: 1 !important;
        visibility: visible !important;
        display: flex !important;
        pointer-events: auto !important;
        transform: translateY(0) !important;
    }

    .back-to-top svg {
        width: 20px !important;
        height: 20px !important;
        display: block !important;
        stroke: #f6b21b !important;
    }
}

/* Prefers Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .back-to-top {
        transition: opacity 0.2s ease, visibility 0.2s ease;
    }

    .back-to-top:hover {
        transform: none;
    }

    .back-to-top svg {
        transition: none;
    }
}