.sidebar-brand-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.6rem;
    background: #fff;
    color: #212529;
    text-decoration: none;
    border-radius: 6px;
    border: 1px solid #dee2e6;
    transition: all 0.2s 
ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

.sidebar-brand-button:hover {
    background: #f8f9fa;
    border-color: #dee2e6;
    color: #212529;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.sidebar-brand-button .icon {
    width: 90px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-brand-button.rubicon .icon svg { height: 66px; width: 66px; margin: -10px 0; filter: brightness(0) saturate(100%) invert(20%) sepia(95%) saturate(5000%) hue-rotate(330deg) brightness(95%); }
.sidebar-brand-button.zala .icon svg { height: 26px; }


.sidebar-brand-button .left-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    flex: 1;
    line-height: 1.2;
}

.sidebar-brand-button .left-container .brand-note {
    font-size: 16px;
    font-weight: 600;
    color: #212529;
    text-decoration: none;
}

.sidebar-brand-button .left-container .brand-name {
    font-size: 1.1rem;
    font-weight: 600;
}

.sidebar-brand-button.rubicon .left-container .brand-name { color: #ff0a51; }
.sidebar-brand-button.zala .left-container .brand-name { color: #231300; }