.back-to-app {
    position: fixed;
    left: 24px;
    bottom: 24px;
    z-index: 1000;

    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;

    padding: 14px 22px;
    border-radius: 18px;

    background: #111827;
    color: #ffffff;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    line-height: 1;

    border: 1px solid rgba(255, 255, 255, 0.08);

    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18),
    0 2px 8px rgba(0, 0, 0, 0.08);

    transition: transform 0.2s ease,
    box-shadow 0.2s ease,
    background-color 0.2s ease;
}

.back-to-app:hover {
    background: #1f2937;
    transform: translateY(-2px);

    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.22),
    0 4px 12px rgba(0, 0, 0, 0.12);
}

.back-to-app:active {
    transform: translateY(0);
}

.back-to-app:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.25),
    0 10px 30px rgba(0, 0, 0, 0.18);
}

.back-to-app__icon {
    display: flex;
    align-items: center;
    justify-content: center;

    width: 32px;
    height: 32px;
    border-radius: 9999px;

    background: rgba(255, 255, 255, 0.1);
    flex-shrink: 0;
}

.back-to-app__label {
    white-space: nowrap;
}

@media (max-width: 640px) {
    .back-to-app {
        left: 16px;
        right: 16px;
        bottom: 16px;

        width: auto;
        justify-content: center;

        padding: 16px 20px;
        border-radius: 16px;
    }
}