body {
    background-color: #eef2ff !important;
}

.container.main {
    max-width: 1440px;
}

/* ===== Category Sidebar ===== */
.category-sidebar {
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    border: 1px solid #f1f1f1;


}

.sidebar-header {
    background: linear-gradient(135deg, #4f46e5, #6366f1);
    color: #fff;
    padding: 16px 20px;
    font-weight: 700;
    font-size: 1.1rem;
    text-align: center;
}

.sidebar-body {
    padding: 12px;
        overflow-y: auto;
        max-height: 650px;
}

.category-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.category-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 2px 7px 2px 14px;
    margin-bottom: 6px;
    border-radius: 10px;
    color: #333;
    text-decoration: none;
    transition: all 0.25s ease;
    font-weight: 500;
    padding-right: 7px
}

.category-item:hover {
    background: #f5f7ff;
    padding-right: 18px;
}

.category-item.active {
    background: rgba(79, 70, 229, 0.15);
    color: #4f46e5;
    font-weight: 700;
}

.category-arrow {
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.25s ease;
    font-size: 1.4rem;
}

.category-item:hover .category-arrow,
.category-item.active .category-arrow {
    opacity: 1;
    transform: translateX(0);
}

.category-list li:not(:last-child) {
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    margin-bottom: 5px
}