:root {
    --erp-sidebar-width: 270px;
    --erp-header-height: 74px;
    --erp-sidebar-bg: #981b1e;
    --erp-sidebar-dark: #821518;
}

body.erp-admin-layout {
    overflow-x: hidden;
    background: #f3f5f8;
}

.erp-admin-layout .erp-sidebar {
    position: fixed;
    top: var(--erp-header-height);
    bottom: 0;
    left: 0;
    width: var(--erp-sidebar-width);
    z-index: 1040;
    overflow-y: auto;
    overflow-x: hidden;
    color: #fff;
    background: var(--erp-sidebar-bg);
    box-shadow: 3px 0 14px rgba(0, 0, 0, .16);
    transform: translateX(0);
    transition: transform .22s ease;
}

.erp-admin-layout .erp-side-title {
    min-height: 62px;
    padding: 10px 14px 10px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    background: var(--erp-sidebar-dark);
    font-size: 17px;
    font-weight: 800;
}

.erp-admin-layout .erp-side-title button {
    width: 38px;
    height: 38px;
    padding: 0;
    border: 0;
    border-radius: 8px;
    display: grid;
    place-items: center;
    color: #fff;
    background: rgba(255, 255, 255, .12);
    font-size: 18px;
}

.erp-admin-layout .erp-side-title button:hover {
    background: rgba(255, 255, 255, .22);
}

.erp-admin-layout .erp-home-link,
.erp-admin-layout .erp-submenu a {
    display: flex;
    align-items: center;
    gap: 11px;
    color: #fff;
    text-decoration: none;
}

.erp-admin-layout .erp-submenu-action {
    width: 100%;
    min-height: 40px;
    padding: 9px 18px 9px 27px;
    border: 0;
    display: flex;
    align-items: center;
    gap: 11px;
    color: #fff;
    background: transparent;
    font-size: 13px;
    text-align: left;
}

.erp-admin-layout .erp-submenu-action:hover {
    background: rgba(255, 255, 255, .18);
}

.erp-admin-layout .erp-submenu-action i {
    width: 19px;
    flex: 0 0 19px;
    text-align: center;
}

.erp-admin-layout .erp-home-link {
    padding: 15px 21px;
    border-bottom: 1px solid rgba(255, 255, 255, .18);
    background: rgba(255, 255, 255, .08);
    font-weight: 700;
}

.erp-admin-layout .erp-home-link:hover,
.erp-admin-layout .erp-home-link.active,
.erp-admin-layout .erp-submenu a:hover,
.erp-admin-layout .erp-submenu a.active {
    color: #fff;
    background: rgba(255, 255, 255, .18);
}

.erp-admin-layout .erp-menu-toggle {
    width: 100%;
    min-height: 48px;
    padding: 12px 16px 12px 20px;
    border: 0;
    border-bottom: 1px solid rgba(255, 255, 255, .13);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    color: #fff;
    background: var(--erp-sidebar-dark);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .25px;
    text-align: left;
}

.erp-admin-layout .erp-menu-toggle:hover {
    background: #a22528;
}

.erp-admin-layout .erp-submenu {
    display: none;
    padding: 6px 0 9px;
    border-bottom: 1px solid rgba(255, 255, 255, .14);
}

.erp-admin-layout .erp-menu-group.open .erp-submenu {
    display: block;
}

.erp-admin-layout .erp-submenu a {
    min-height: 40px;
    padding: 9px 18px 9px 27px;
    font-size: 13px;
}

.erp-admin-layout .erp-submenu a i,
.erp-admin-layout .erp-home-link i {
    width: 19px;
    flex: 0 0 19px;
    text-align: center;
}

.erp-admin-layout .erp-page-area {
    width: calc(100% - var(--erp-sidebar-width));
    min-height: calc(100vh - var(--erp-header-height));
    margin-left: var(--erp-sidebar-width);
    transition: width .22s ease, margin-left .22s ease;
}

.erp-admin-layout .erp-page-content {
    width: 100%;
    min-height: calc(100vh - var(--erp-header-height) - 72px);
    padding: 26px;
}

.erp-admin-layout .erp-admin-footer {
    width: calc(100% - var(--erp-sidebar-width));
    margin-left: var(--erp-sidebar-width);
    transition: width .22s ease, margin-left .22s ease;
}

.erp-sidebar-open {
    position: fixed;
    top: calc(var(--erp-header-height) + 12px);
    left: 12px;
    z-index: 1038;
    min-height: 42px;
    padding: 8px 13px;
    border: 0;
    border-radius: 9px;
    display: none;
    align-items: center;
    gap: 7px;
    color: #fff;
    background: var(--erp-sidebar-bg);
    box-shadow: 0 4px 14px rgba(0, 0, 0, .2);
    font-weight: 700;
}

.erp-sidebar-open:hover {
    background: var(--erp-sidebar-dark);
}

.erp-sidebar-overlay {
    position: fixed;
    inset: var(--erp-header-height) 0 0 0;
    z-index: 1035;
    display: none;
    background: rgba(0, 0, 0, .42);
}

.erp-admin-layout.erp-sidebar-collapsed .erp-sidebar {
    transform: translateX(-100%);
}

.erp-admin-layout.erp-sidebar-collapsed .erp-page-area,
.erp-admin-layout.erp-sidebar-collapsed .erp-admin-footer {
    width: 100%;
    margin-left: 0;
}

.erp-admin-layout.erp-sidebar-collapsed .erp-sidebar-open {
    display: flex;
}

.erp-dashboard-content {
    width: 100%;
    max-width: 1500px;
    margin: 0 auto;
}

@media (max-width: 1100px) {
    .erp-admin-layout .erp-sidebar {
        transform: translateX(-100%);
    }

    .erp-admin-layout .erp-page-area,
    .erp-admin-layout .erp-admin-footer {
        width: 100%;
        margin-left: 0;
    }

    .erp-admin-layout .erp-sidebar-open {
        display: flex;
    }

    .erp-admin-layout.erp-sidebar-mobile-open .erp-sidebar {
        transform: translateX(0);
    }

    .erp-admin-layout.erp-sidebar-mobile-open .erp-sidebar-overlay {
        display: block;
    }

    .erp-admin-layout.erp-sidebar-mobile-open .erp-sidebar-open {
        display: none;
    }
}

@media (max-width: 620px) {
    :root {
        --erp-sidebar-width: min(86vw, 290px);
    }

    .erp-admin-layout .erp-page-content {
        padding: 18px 12px;
    }

    .erp-sidebar-open span {
        display: none;
    }
}