:root {
    --sidebar-bg: #fdfdfe;
    --sidebar-text: #566a7f;
    --sidebar-text-muted: #a1acb8;
    --sidebar-active-bg: rgba(105, 108, 255, 0.1);
    --sidebar-active-text: #696cff;
    --sidebar-hover-bg: rgba(67, 89, 113, 0.04);
    --sidebar-shadow: 0 0.125rem 0.25rem rgba(161, 172, 184, 0.4);
    --sidebar-glass: rgba(255, 255, 255, 0.8);
    --transition-speed: 0.25s;

    /* Module Accents */
    --accent-tms: #03a9f4;
    --accent-wms: #ff9800;
    --accent-erp: #4caf50;
    --accent-maestro: #9c27b0;
    --accent-support: #607d8b;
}

/* Glassmorphism & General Layout */
#layout-menu {
    background: var(--sidebar-bg) !important;
    backdrop-filter: blur(15px);
    border-right: 1px solid rgba(0, 0, 0, 0.04);
    width: 280px !important;
    transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 4px 0 15px rgba(0, 0, 0, 0.02);
}

#layout-menu.collapsed {
    width: 80px !important;
}

/* Brand Area */
.menu .app-brand.demo {
    height: 70px;
    margin-top: 0;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid rgba(0, 0, 0, 0.02);
    margin-bottom: 0.2rem;
}

.bps-logo {
    max-width: 220px;
    max-height: 50px;
    height: auto;
    width: auto;
    object-fit: contain;
    transition: all var(--transition-speed);
}

#layout-menu.collapsed .app-brand.demo {
    padding: 0;
}

#layout-menu.collapsed .bps-logo {
    width: 45px;
    transform: scale(0.9);
}

/* Menu Content & Scrollbar */
.layout-menu .menu-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 1rem 0;
}

.layout-menu .menu-content::-webkit-scrollbar {
    width: 3px;
}

.layout-menu .menu-content::-webkit-scrollbar-thumb {
    background: rgba(105, 108, 255, 0.1);
    border-radius: 10px;
}

/* Menu Items & Spacing */
.menu-inner {
    padding: 0 1rem !important;
}

.menu-item {
    margin: 0.1rem 0 !important;
    border-radius: 0.6rem;
    transition: all var(--transition-speed);
}

/* Headers / Category Labels */
.menu-header {
    padding: 0.8rem 1.25rem 0.2rem !important;
    font-size: 0.7rem !important;
    font-weight: 700 !important;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--sidebar-text-muted) !important;
    opacity: 0.8;
}

.menu-link {
    padding: 0.5rem 1.1rem !important;
    display: flex;
    align-items: center;
    border-radius: 0.6rem !important;
    color: var(--sidebar-text) !important;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.015em;
    transition: all var(--transition-speed);
}

/* Icons Styling & Accents */
.menu-icon {
    margin-right: 0.85rem !important;
    font-size: 1.35rem !important;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--sidebar-text-muted);
    transition: all var(--transition-speed);
}

/* Custom Module Colors */
.icon-tms {
    color: var(--accent-tms) !important;
}

.icon-wms {
    color: var(--accent-wms) !important;
}

.icon-erp {
    color: var(--accent-erp) !important;
}

.icon-maestro {
    color: var(--accent-maestro) !important;
}

.icon-support {
    color: var(--accent-support) !important;
}

/* Hover & Active States */
.menu-item:not(.active)>.menu-link:hover {
    background-color: var(--sidebar-hover-bg) !important;
    color: var(--sidebar-active-text) !important;
    transform: translateX(4px);
}

.menu-item.active>.menu-link {
    background-color: var(--sidebar-active-bg) !important;
    color: var(--sidebar-active-text) !important;
    box-shadow: none !important;
    font-weight: 600;
}

.menu-item.active>.menu-link .menu-icon {
    color: var(--sidebar-active-text) !important;
    transform: scale(1.05);
}

.menu-item.open>.menu-link {
    background-color: transparent !important;
    color: var(--sidebar-active-text) !important;
}

/* Submenu Styling */
.menu-sub {
    padding-left: 0.8rem !important;
    margin-top: 0.1rem;
    margin-bottom: 0.3rem;
    position: relative;
    border-left: 1px solid rgba(105, 108, 255, 0.06);
    margin-left: 0.75rem;
}

.menu-sub .menu-item {
    margin: 0.05rem 0 !important;
}

.menu-sub .menu-link {
    padding: 0.45rem 0.6rem !important;
    font-size: 0.8rem;
    opacity: 0.85;
}

.menu-sub .menu-link:hover {
    opacity: 1;
    transform: translateX(4px);
    background-color: transparent !important;
}

/* Handle Long Text Legibility */
.text-truncate {
    white-space: normal !important;
    line-height: 1.3;
    max-width: 100%;
}

/* Collapsed State Adjustments */
#layout-menu.collapsed .menu-link {
    justify-content: center;
    padding: 0.75rem 0 !important;
}

#layout-menu.collapsed .menu-icon {
    margin: 0 !important;
}

#layout-menu.collapsed .text-truncate,
#layout-menu.collapsed .menu-toggle::after,
#layout-menu.collapsed .menu-header {
    display: none !important;
}

/* Smooth Transitions for Collapsing */
.menu-item,
.menu-link,
.menu-icon,
.app-brand img {
    will-change: transform, opacity, background;
}

/* Disabled & Blocked States */
.disabled-sidebar {
    pointer-events: none;
    opacity: 0.4;
    filter: grayscale(1);
}

.menu-item-blocked {
    opacity: 0.5 !important;
    filter: grayscale(1);
    pointer-events: none;
    cursor: default;
}

.menu-item-blocked .menu-link {
    color: var(--sidebar-text-muted) !important;
}

.menu-item-blocked .menu-icon {
    color: var(--sidebar-text-muted) !important;
}

/* Mobile Responsiveness */
@media (max-width: 1199.98px) {
    #layout-menu {
        transform: translateX(-100%);
        box-shadow: 10px 0 30px rgba(0, 0, 0, 0.1);
    }

    .layout-menu-expanded #layout-menu {
        transform: translateX(0);
    }
}