:root {
    --uo-font: Roboto, "Source Sans 3", "Source Sans Pro", system-ui, "Segoe UI", "Helvetica Neue";
    --bs-font-sans-serif: var(--uo-font);
    --uo-rightbar-w: 330px;
    --uo-leftbar-w: 280px;
    --uo-leftbar-header-h: calc(var(--uo-leftbar-w) * 3.25 / 5);
    --uo-footer-h: 2.85rem;
    --uo-leftbar-footer-h: var(--uo-footer-h);
    --uo-main-footer-h: var(--uo-footer-h);
    --uo-leftbar-toggle-width: 52px;
}

html, body {
    height: 100%;
    margin: 0;
}

/* ===== Layout Stack =====
    floating-toggle (1060)
    leftbar-toggle-wrapper (1050)
    sidebar-left (1050)
    sidebar-right (1040)
    sidebar-backdrop (1030)
    user-menu (1020)
    main-area (1000)
*/

.sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    height: 100%;
    min-width: 220px;
    transition: transform .25s ease, opacity .25s ease;
    background-color: var(--bs-tertiary-bg) !important;
    overflow: hidden;
}

#sidebar-left {
    width: var(--uo-leftbar-w);
    display: flex;
    flex-direction: column;
    left: 0;
    z-index: 1050;
    box-shadow: 1px 0 12px rgba(0, 0, 0, 0.25);
    transform: translateX(0);
}

    #sidebar-left.collapsed {
        --uo-leftbar-w: 0px;
        transform: translateX(-100%);
        opacity: 1;
        box-shadow: none;
    }

    #sidebar-left .leftbar-header {
        height: var(--uo-leftbar-header-h);
    }

    #sidebar-left .leftbar-menu {
        flex: 1 1 auto;
        position: relative;
        height: calc(100% - var(--uo-leftbar-header-h) - var(--uo-leftbar-footer-h));
    }

    #sidebar-left .leftbar-clock {
        height: var(--uo-clock-height);
    }

    #sidebar-left .leftbar-footer {
        height: var(--uo-leftbar-footer-h);
        position: relative;
    }

        #sidebar-left .leftbar-footer .footer-content {
            position: absolute;
            height: 100%;
            width: 100%;
            right: calc(-1 * var(--uo-leftbar-w));
            transition: right .28s ease;
        }

#sidebar-right {
    right: 0;
    width: var(--uo-rightbar-w);
    position: fixed;
    z-index: 1040;
    transform: translateX(100%);
}

    #sidebar-right:not(.collapsed) {
        transform: translateX(0);
        box-shadow: -1px 0 12px rgba(0, 0, 0, 0.075);
    }

/* Main area */
.main-area {
    margin-left: var(--uo-leftbar-w);
    min-height: 100vh;
    position: relative;
    z-index: 1000;
    transition: margin .25s ease;
}

    .main-area > .container-fluid {
        padding-left: 0;
        padding-right: 0;
    }

    .main-area footer {
        height: var(--uo-main-footer-h);
        flex-shrink: 0;
    }

#sidebar-left.collapsed ~ .main-area {
    margin-left: 0;
}

/* User Menu */
#user-menu {
    top: 12px;
    right: 16px;
    z-index: 1020;
}

    #user-menu #dropdown-link img {
        width: 2.5rem !important;
        height: 2.5rem !important;
        object-fit: cover;
        border-radius: 50%;
        cursor: pointer;
        transition: transform .15s ease;
    }

        #user-menu #dropdown-link img:hover {
            transform: scale(1.08);
        }

    #user-menu .dropdown-toggle::after {
        display: none !important;
    }

.dropdown-menu .dropdown-item img {
    width: 22px;
    height: 22px;
    object-fit: cover;
    border-radius: 50%;
    vertical-align: middle;
    margin-left: -6px;
    image-rendering: optimizeQuality;
    transform: translate(3px, -1px);
}

/* bg wraper */
.bg-wrap {
    --uo-bg-wrap-bg-img: url('/$main/admin/img/bg1.jpg');
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
}

    .bg-wrap::before,
    .bg-wrap::after {
        position: absolute;
        inset: 0;
        content: '';
        z-index: -1;
    }

    .bg-wrap::before {
        --bg-wrap-bgcolor: color-mix(in srgb, var(--bs-light) 75%, transparent);
        background: var(--bg-wrap-bgcolor) var(--uo-bg-wrap-bg-img) no-repeat center;
        background-size: cover;
        filter: grayscale(.3) opacity(.6);
    }

    .bg-wrap::after {
        box-shadow: inset 0 0 1.75rem rgba(0,0,0,.75);
    }

    .bg-wrap a {
        border-radius: 50%;
    }

    .bg-wrap img {
        --bg-wrap-img-height: calc(var(--uo-leftbar-header-h) * .6);
        height: var(--bg-wrap-img-height);
        width: var(--bg-wrap-img-height);
        object-fit: cover;
        image-rendering: optimizeQuality;
        filter: opacity(.95);
        margin: .15rem 0;
        border-radius: 50%;
        --bg-wrap-img-bgcolor: color-mix(in srgb, var(--bs-body-color) 17.5%, transparent);
        background: var(--bg-wrap-img-bgcolor);
        transition: transform .15s ease;
    }

        .bg-wrap img:hover {
            transform: scale(1.08);
        }

    .bg-wrap .dispname {
        font-size: 1.25rem;
    }

#sidebar-backdrop {
    position: fixed;
    inset: 0;
    background-color: rgba(var(--bs-dark-rgb), .5);
    z-index: 1030;
}

[data-bs-theme="dark"]
#sidebar-backdrop {
    background-color: rgba(var(--bs-light-rgb), .15);
}

/* External toggle placement */
#leftbar-toggle-wrapper {
    display: none; /* Hidden legacy leftbar toggler. Instead: handle by floating button */
    position: fixed;
    top: 0.75rem;
    z-index: 1050;
    transition: left .25s ease;
    left: calc(var(--uo-leftbar-w) - 52px);
    left: calc(var(--uo-leftbar-w) - 26px);
    left: 0px;
}

/* When left sidebar collapsed -> button moves to edge */
#sidebar-left.collapsed + #leftbar-toggle-wrapper {
    left: -23px;
}

/* Mobile overlay mode */
@media (max-width: 991.98px) {
    /*#leftbar-toggle-wrapper {
        left: 0;
    }*/

    /*#sidebar-left:not(.collapsed) + #leftbar-toggle-wrapper {
        left: var(--uo-leftbar-w);
        display: none;
    }*/
}

/* Responsive */
@media (max-width: 991.98px) {
    #sidebar-left.collapsed {
        transform: translateX(-100%);
    }

    #sidebar-left:not(.collapsed) {
        transform: translateX(0);
    }

    #sidebar-right.collapsed {
        transform: translateX(100%);
    }

    #sidebar-right:not(.collapsed) {
        transform: translateX(0);
    }

    .main-area {
        margin: 0;
    }
}

/* Minimal page layout */
.login {
    --uo-login-bg-img1: url('/$main/admin/img/bg1-1.jpg');
    --uo-login-bg-img2: url('/$main/admin/img/bg1-2.jpg');
    --uo-login-bg-img3: url('/$main/admin/img/bg1-3.jpg');
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100vw;
    min-height: 100vh;
    position: relative;
}


    .login::before,
    .login::after {
        position: absolute;
        inset: 0;
        content: "";
        z-index: -1;
        filter: grayscale(.35);
    }

    .login::before {
        background: var(--uo-login-bg-img1) no-repeat top left fixed;
        background-size: contain;
    }

    .login .login-card {
        width: 375px;
        padding: 1.25rem;
        border-radius: 1rem;
        background: var(--bs-tertiary-bg);
        box-shadow: 0 4px 20px rgba(0,0,0,.1);
        margin-left: auto;
        transform: translateX(-50%);
    }

@media(max-width: 991.98px) {
    .login {
        flex-direction: row;
    }

        .login::before {
            background: var(--uo-login-bg-img2) no-repeat top left fixed;
            background-size: contain;
        }

        .login::after {
            background: var(--uo-login-bg-img3) no-repeat bottom left fixed;
            background-size: contain;
        }

        .login .login-card {
            margin: 0 auto;
            transform: translateX(0) !important;
        }
}

/* Utilities */
.text-decoration-link {
    text-decoration: none !important;
    transition: text-decoration-color .15s ease-in-out;
    cursor: pointer;
}

    .text-decoration-link:hover {
        text-decoration: underline !important;
        text-decoration-thickness: 1px;
        text-underline-offset: 2px;
    }

/** FLOATING BUTTON */
.floating-toggle {
    position: fixed;
    top: 50%;
    left: 8px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(var(--bs-light-rgb), .35);
    border: 2px solid rgba(var(--bs-light-rgb), .1);
    color: white;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1060;
    box-shadow: 0 4px 12px rgba(0,0,0,.25);
    opacity: .85;
    transition: opacity .2s ease, transform .1s ease;
    touch-action: none; /* 🔥 important for drag */
    /*desktop UX*/
    user-select: none;
    bottom: auto;
    right: auto;
    will-change: transform;
}

[data-bs-theme="light"]
#sidebar-left.collapsed ~ .floating-toggle {
    background: rgba(var(--bs-secondary-rgb), .35);
    border: 2px solid rgba(var(--bs-secondary-rgb), .1);
}

    .floating-toggle:hover {
        opacity: 1;
    }

    .floating-toggle:active {
        transform: scale(0.95);
    }

    .floating-toggle i {
        font-size: 1.75rem;
        line-height: 0;
        margin-top: 2px;
    }

#floating-leftbar-toggle {
    cursor: pointer;
}

    #floating-leftbar-toggle.dragging {
        cursor: grabbing;
    }