:root {
    --sigl-sidebar-expanded: 260px;
    --sigl-sidebar-collapsed: 84px;
    --sigl-sidebar-transition: 250ms ease;
}

.sidebar,
.sidebar .sidebar-wrapper,
.main-panel {
    transition: width var(--sigl-sidebar-transition),
                transform var(--sigl-sidebar-transition);
}

.sidebar-collapse-toggle {
    position: absolute;
    top: 88px;
    right: -14px;
    z-index: 10;
    width: 28px;
    height: 28px;
    padding: 0;
    border: 2px solid #ffffff;
    border-radius: 50%;
    background: #38658a;
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    line-height: 24px;
    text-align: center;
    transition: transform var(--sigl-sidebar-transition),
                background-color var(--sigl-sidebar-transition);
}

.sidebar-collapse-toggle:hover,
.sidebar-collapse-toggle:focus {
    background: #2f5879;
    color: #ffffff;
    outline: none;
}

.sidebar-collapse-toggle i {
    font-size: 11px;
    transition: transform var(--sigl-sidebar-transition);
}

@media (min-width: 992px) {
    .sidebar-is-collapsed .sidebar {
        width: var(--sigl-sidebar-collapsed);
    }

    .sidebar-is-collapsed .sidebar .sidebar-wrapper {
        width: var(--sigl-sidebar-collapsed);
    }

    .sidebar-is-collapsed .main-panel {
        width: calc(100% - var(--sigl-sidebar-collapsed));
    }

    .sidebar-is-collapsed .sidebar .logo {
        height: 74px;
        overflow: hidden;
    }

    .sidebar-is-collapsed .sidebar .logo .logo-normal {
        opacity: 0;
        pointer-events: none;
    }

    .sidebar-is-collapsed .sidebar .logo::before {
        content: 'S';
        position: absolute;
        top: 17px;
        left: 20px;
        z-index: 5;
        width: 44px;
        color: #ffffff;
        font-size: 32px;
        font-weight: 600;
        line-height: 40px;
        text-align: center;
    }

    .sidebar-is-collapsed .sidebar .nav li > a,
    .sidebar-is-collapsed .sidebar .nav li:first-child > a {
        width: 54px;
        height: 50px;
        margin: 10px auto 0;
        padding: 10px;
    }

    .sidebar-is-collapsed .sidebar .nav li:first-child > a {
        margin-top: 0;
    }

    .sidebar-is-collapsed .sidebar .nav p {
        width: 0;
        opacity: 0;
        overflow: hidden;
        pointer-events: none;
    }

    .sidebar-is-collapsed .sidebar .nav i {
        float: none;
        width: 34px;
        margin: 0;
        font-size: 21px;
        line-height: 30px;
        text-align: center;
    }

    .sidebar-is-collapsed .sidebar-collapse-toggle i {
        transform: rotate(180deg);
    }
}

@media (max-width: 991.98px) {
    .sidebar-collapse-toggle {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .sidebar,
    .sidebar .sidebar-wrapper,
    .main-panel,
    .sidebar-collapse-toggle,
    .sidebar-collapse-toggle i {
        transition: none;
    }
}