.bsec {
    position: sticky;
    top: 0;
    left: 0;
    z-index: 1100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 clamp(14px, 3vw, 32px);
    height: 60px;
    width: var(--full-width);
    box-sizing: border-box;
    background: none;
    backdrop-filter: blur(5px);
}

.bsec__back {
    position: absolute;
    left: clamp(14px, 3vw, 32px);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text-grey);
    font-family: var(--font-family-app);
    font-size: var(--font-size-text);
    font-weight: var(--font-weight);
    cursor: pointer;
    background: none;
    border: none;
    padding: 6px 0;
    transition: color 0.15s ease;
    max-width: 42%;
    overflow: visible;
    white-space: nowrap;
}

.bsec__back:hover {
    color: var(--text-white);
}

.bsec__back:hover .bsec__arrow {
    border-color: var(--side-border);
    background: var(--bgc-input-div);
    color: var(--text-white);
    transform: translateX(-2px);
}

.bsec__arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: var(--size-icons-l);
    height: var(--size-icons-l);
    border-radius: var(--border-radius);
    border: 1px solid var(--side-border);
    background: var(--bgc-input-div);
    color: var(--text-grey);
    transition:
        background 0.15s ease,
        border-color 0.15s ease,
        color 0.15s ease,
        transform 0.15s ease;
}

.bsec__arrow svg {
    display: block;
    pointer-events: none;
}

.bsec__back-label {
    display: flex;
    flex-direction: column;
    gap: 1px;
    overflow: hidden;
}

.bsec__title {
    font-family: var(--font-family-app);
    font-size: var(--font-size-text);
    font-weight: var(--font-weight);
    color: var(--text-white);
    margin: 0;
    text-align: center;
    padding: 0 44%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    pointer-events: none;
    position: absolute;
    left: 0;
    right: 0;
}

.bsec::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: clamp(14px, 3vw, 32px);
    right: clamp(14px, 3vw, 32px);
    height: 1px;
    background: var(--side-border);
}

@media (max-width: 640px) {
    .bsec {
        height: 54px;
        padding: 0 clamp(12px, 4vw, 20px);
    }

    .bsec__back {
        left: clamp(12px, 4vw, 20px);
        max-width: 44%;
    }

    .bsec__arrow {
        width: var(--size-icons-l);
        height: var(--size-icons-l);
        border-radius: var(--border-radius);
    }

    .bsec__title {
        font-size: var(--font-size-tittle);
        padding: 0 46%;
    }

    .bsec::after {
        left: clamp(12px, 4vw, 20px);
        right: clamp(12px, 4vw, 20px);
    }
}