/* カスタムスタイル */
.bg-accent-gradient {
    background: linear-gradient(135deg, #4c1d95 0%, #6d28d9 100%) !important;
}

.bg-main-gradient {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%) !important;
}

.sidebar-transition {
    transition: width 0.3s ease-in-out;
}

.menu-text-transition {
    transition: opacity 0.2s ease-in-out;
}

.rotate-arrow {
    transform: rotate(180deg);
    transition: transform 0.3s ease-in-out;
}

/* base.htmlの追加スタイル */
#sidebar.preload {
    transition: none !important;
}

#sidebar.initial-collapsed {
    width: 5rem !important;
}

#sidebar.initial-collapsed .menu-text {
    opacity: 0;
    display: none;
}

#sidebar.initial-expanded {
    width: 16rem !important;
}

#sidebar.initial-expanded .menu-text {
    opacity: 1;
    display: inline;
}