/* =========================================
   Edugate Pathway - Back To Top
   ========================================= */

   .back-to-top {
    position: fixed;
    right: 24px;
    bottom: 24px;

    width: 48px;
    height: 48px;

    display: flex;
    align-items: center;
    justify-content: center;

    border: 1px solid rgba(13, 148, 136, 0.25);
    border-radius: 14px;

    background: #0d9488;
    color: #ffffff;

    cursor: pointer;

    opacity: 0;
    visibility: hidden;
    transform: translateY(15px);

    transition:
        opacity 0.3s ease,
        visibility 0.3s ease,
        transform 0.3s ease,
        background-color 0.25s ease,
        box-shadow 0.25s ease;

    z-index: 999;

    box-shadow: 0 8px 24px rgba(13, 148, 136, 0.18);
}

.back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: #0f766e;
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(13, 148, 136, 0.25);
}

.back-to-top:active {
    transform: translateY(-1px);
}

.back-to-top__icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* Keyboard accessibility */
.back-to-top:focus-visible {
    outline: 3px solid rgba(163, 230, 53, 0.55);
    outline-offset: 3px;
}

/* Mobile */
@media (max-width: 768px) {
    .back-to-top {
        right: 16px;
        bottom: 16px;

        width: 44px;
        height: 44px;

        border-radius: 13px;
    }

    .back-to-top__icon {
        width: 18px;
        height: 18px;
    }
}