.logo-area {
    padding: 24px 20px;
    border-bottom: 1px solid #eff3f8;
    display: flex;
    align-items: center;
    gap: 12px;
    background: #fff;
}
.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    box-shadow: 0 6px 12px -6px rgba(59,130,246,0.3);
}
.logo-text h1 {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.3px;
    background: linear-gradient(120deg, #1e293b, #3b82f6);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
}
.logo-text p {
    font-size: 0.7rem;
    color: #64748b;
    margin-top: 2px;
}

.nav-menu {
    flex: 1;
    padding: 20px 12px 20px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.menu-item {
    border-radius: 14px;
    transition: all 0.2s;
}
.menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    cursor: pointer;
    border-radius: 12px;
    font-weight: 600;
    color: #1e293b;
    transition: background 0.2s;
    user-select: none;
}
.menu-header:hover {
    background: #f1f5f9;
}
.menu-header .title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
}
.menu-header .title i {
    width: 24px;
    color: #3b82f6;
    font-size: 1.1rem;
}
.chevron {
    transition: transform 0.25s;
    font-size: 0.8rem;
    color: #94a3b8;
}
.menu-item.open .chevron {
    transform: rotate(90deg);
}
.sub-menu {
    list-style: none;
    margin-left: 28px;
    padding-left: 12px;
    border-left: 2px solid #eef2ff;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    max-height: 500px;
}
.menu-item:not(.open) .sub-menu {
    max-height: 0;
}
.sub-menu li {
    margin: 6px 0;
}
.sub-cat {
    display: block;
    padding: 8px 12px;
    border-radius: 10px;
    font-size: 0.85rem;
    color: #475569;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 500;
}
.sub-cat i {
    width: 24px;
    display: inline-block;
    font-size: 0.8rem;
    margin-right: 8px;
    color: #7c8ba0;
}
.sub-cat:hover {
    background: #f1f5f9;
    color: #0f172a;
}
.sub-cat.active {
    background: #eef2ff;
    color: #2563eb;
    font-weight: 600;
}
.sub-cat.active i {
    color: #2563eb;
}

.card-icon img.card-icon-img {
    width: 36px;
    height: 36px;
    object-fit: contain;
    border-radius: 10px;
}