.main-area {
    flex: 1;
    min-width: 0;
    min-height: 100vh;
    background: var(--fondo);
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 15;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 68px;
    padding: 12px 28px;
    border-bottom: 1px solid var(--linea);
    background: rgba(255, 255, 255, .88);
    backdrop-filter: saturate(1.4) blur(10px);
    -webkit-backdrop-filter: saturate(1.4) blur(10px);
}

.topbar-left,
.topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
    min-width: 0;
}

.topbar-icon-button {
    position: relative;
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    padding: 0;
    border: 1px solid var(--linea);
    border-radius: 50%;
    background: var(--superficie);
    color: transparent;
    font-size: 0;
    transition: background-color .18s ease, border-color .18s ease;
}

.topbar-icon-button::before {
    content: "";
    position: absolute;
    inset: 10px;
    background: var(--tinta-2);
    -webkit-mask: var(--ic-menu) center / contain no-repeat;
    mask: var(--ic-menu) center / contain no-repeat;
}

.topbar-icon-button:hover {
    border-color: var(--ag-200);
    background: var(--ag-50);
}

.topbar-icon-button:hover::before {
    background: var(--ag-700);
}

.topbar-heading {
    display: flex;
    flex-direction: column;
    gap: 1px;
    min-width: 0;
}

.topbar-heading strong {
    color: var(--tinta);
    font-size: 14.5px;
    font-weight: 600;
    letter-spacing: -.005em;
}

.topbar-heading span {
    color: var(--gris);
    font-size: 12px;
}

.topbar-branch {
    display: flex;
    align-items: center;
    gap: 8px;
    height: 36px;
    padding: 0 14px 0 12px;
    border: 1px solid var(--linea);
    border-radius: var(--r-pill);
    background: var(--superficie-2);
}

.topbar-branch::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--ag-500);
    box-shadow: 0 0 0 3px var(--ag-100);
}

.topbar-branch span {
    color: var(--gris);
    font-size: 12px;
}

.topbar-branch strong {
    color: var(--tinta);
    font-size: 12.5px;
    font-weight: 600;
}

.topbar-user {
    display: flex;
    align-items: center;
    gap: 10px;
}

.topbar-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--ag-100);
    color: var(--ag-700);
    font-size: 14px;
    font-weight: 700;
}

.topbar-user-info {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.topbar-user-info strong {
    color: var(--tinta);
    font-size: 13px;
    font-weight: 600;
}

.topbar-user-info small {
    color: var(--gris);
    font-size: 11.5px;
}

.topbar-logout {
    height: 36px;
    padding: 0 16px;
    border: 1px solid var(--linea);
    border-radius: var(--r-pill);
    background: var(--superficie);
    color: var(--tinta-2);
    font-size: 12.5px;
    font-weight: 600;
    transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}

.topbar-logout:hover {
    border-color: #ecd0cc;
    background: var(--peligro-50);
    color: var(--peligro);
}

@media (max-width: 900px) {
    .topbar {
        padding: 10px 16px;
    }

    .topbar-branch,
    .topbar-user-info,
    .topbar-heading span {
        display: none;
    }

    .topbar-left,
    .topbar-right {
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .topbar-heading strong {
        font-size: 13px;
    }

    .topbar-logout {
        padding: 0 12px;
    }
}