#sidebar { transition: transform .25s ease }
#content { transition: margin-left .25s ease, width .25s ease }

body.sidebar-collapsed #sidebar { transform: translateX(-100%) }
body.sidebar-collapsed #content { margin-left: 0; width: 100% }

#sidebarHotzone{
    position: fixed;
    inset: 0 auto 0 0;
    width: var(--hotzone);
    z-index: 1200;
    cursor: pointer;
    background: transparent;
    pointer-events: none;
}
body.sidebar-collapsed #sidebarHotzone{ pointer-events: auto }
body.sidebar-collapsed #sidebarHotzone:hover{
    background: linear-gradient(90deg, rgba(221,92,9,.35), rgba(221,92,9,0));
}

body.sidebar-collapsed.sidebar-peek #sidebar{
    transform: translateX(calc(-100% + var(--hotzone)));
    box-shadow: 5px 0 16px rgba(0,0,0,.55);
}

#sidebarCollapseBtn{
    position: absolute;
    right: 10px; top: 10px; z-index: 1101;
    padding: 8px 10px;
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    background: var(--panel-grad);
    color: var(--brand);
    font: 700 14px/1 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
    box-shadow: 0 6px 16px var(--shadow);
    cursor: pointer;
    transition: transform .15s ease, background-color .15s ease, border-color .15s ease, color .15s ease;
}
#sidebarCollapseBtn:hover{
    background: #1e2328;
    border-color: rgba(255,255,255,.25);
    color: #fff;
}
#sidebarCollapseBtn:active{ transform: translateY(1px) }
body.sidebar-collapsed #sidebarCollapseBtn{ display: none }

#sidebar{
    width: 300px; height: 100vh;
    background: var(--glass);
    backdrop-filter: blur(10px);
    padding: 20px;
    position: fixed;
    overflow-y: auto;
    border-right: 1px solid var(--glass-border);
    box-shadow: 5px 0 20px var(--shadow), inset 0 1px 0 var(--glass-inner);
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    animation: slide-in 0.8s ease-out;
    z-index: 1100;
}

#sidebar .brand{
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 90%;
    margin: 0 0 14px 0;
    padding: 6px 0;
    border-radius: 10px;
    cursor: pointer;
    user-select: none;

    background: rgba(255,255,255,.04);
    border: 1px solid var(--glass-border);
    box-shadow: 0 6px 18px rgba(0,0,0,.35), inset 0 1px 0 var(--glass-inner);

    text-shadow: 0 0 12px rgba(221,92,9,.18);
    transition: transform .12s ease, background-color .20s ease, border-color .20s ease, box-shadow .20s ease, filter .12s ease;
}
#sidebar .brand:focus-visible{
    outline: 2px solid rgba(38,198,218,.6);
    outline-offset: 3px;
}
#sidebar .brand:hover{
    background: rgba(255,255,255,.07);
    border-color: rgba(255,255,255,.22);
    transform: translateY(-2px);
    box-shadow:
            0 10px 26px rgba(0,0,0,.45),
            0 0 0 1px rgba(255,255,255,.06) inset,
            inset 0 1px 0 var(--glass-inner);
    filter: saturate(1.05);
}
#sidebar .brand:active{
    transform: translateY(0);
    filter: saturate(1.0) brightness(1.03);
}
#sidebar .brand__logo{
    width: 35px; height: 35px; flex: 0 0 28px;
    border-radius: 6px;
    box-shadow: 0 2px 10px rgba(0,0,0,.45);
    transition: box-shadow .2s ease, transform .12s ease;
}
#sidebar .brand:hover .brand__logo{
    box-shadow: 0 3px 14px rgba(0,0,0,.55), 0 0 10px rgba(221,92,9,.18);
    transform: translateY(-1px);
}
#sidebar .brand__text{
    font-size: 22px;
    font-weight: 800;
    letter-spacing: .3px;
    background: linear-gradient(90deg, #ff9a54, #26c6da 55%, #ffb782);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.search-container { margin-bottom: 10px }
#sidebar input{
    margin-top: 6px; width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    background: rgba(255,255,255,.08);
    color: #fff; font-size: 14px; outline: none;
    transition: box-shadow .25s ease, border-color .25s ease;
}
#sidebar input:focus{
    box-shadow: 0 0 8px var(--brand);
    border-color: rgba(255,255,255,.25);
}

:where(button,[role="button"],a,input,li[data-page]):focus-visible{
    outline: 2px solid color-mix(in oklab, var(--brand) 70%, white);
    outline-offset: 2px;
    border-radius: 8px;
}

.menu-root{
    list-style: none; padding: 0; margin: 8px 0 0 0;
    flex: 1 1 auto;
}
.menu-group{
    margin: 10px 0 8px 0;
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    background: var(--panel-grad);
    box-shadow: 0 10px 26px rgba(0,0,0,.25), inset 0 1px 0 var(--glass-inner);
}
.menu-group__title{
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    cursor: pointer;
    user-select: none;

    padding: 10px 12px; font-weight: 700; color: var(--brand-4);
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.menu-title-text{
    font-weight: 700;
    color: var(--brand-4);
}
.menu-toggle{
    appearance: none;
    border: 1px solid rgba(255,255,255,.12);
    background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
    color: #e6e8eb;
    width: 28px; height: 28px;
    border-radius: 8px;
    display: inline-grid;
    place-items: center;
    cursor: pointer;
    transition: background-color .2s ease, border-color .2s ease, transform .12s ease;
    position: relative;
}
.menu-toggle::after{
    content: "▾";
    font-size: 14px;
    line-height: 1;
    transform: rotate(0deg);
    transition: transform .18s ease;
}
.menu-toggle:hover{
    background: #1e2328;
    border-color: rgba(255,255,255,.25);
}
.menu-toggle:active{ transform: translateY(1px) }

.menu-group.is-collapsed .menu-group__list{ display: none }
.menu-group.is-collapsed .menu-toggle::after{ transform: rotate(-90deg) }

.menu-group__list{ list-style: none; margin: 0; padding: 4px }
.menu-group__list li{
    color: var(--brand-4); padding: 10px 12px; cursor: pointer; border-radius: 8px;
    transition: background-color .22s ease, color .22s ease, transform .06s ease, box-shadow .22s ease;
}
.menu-group__list li:hover{
    color: var(--brand-4-hover);
    background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
    box-shadow: inset 0 0 0 1px rgba(255,255,255,.08), 0 4px 16px rgba(0,0,0,.25);
}
.menu-group__list li:active{ transform: translateY(1px) }
.menu-group__list li.active{
    color: var(--brand-3);
    background: rgba(255,255,255,.08);
}

footer{
    margin-top: 6px; margin-bottom: 25px; text-align: center; font-size: 12px; color: #bbb;
}

#sidebar{
    scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
    scrollbar-width: thin;
}
#sidebar::-webkit-scrollbar{ width: 12px }
#sidebar::-webkit-scrollbar-track{
    background: var(--scrollbar-track);
    border-radius: 6px;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,.06);
}
#sidebar::-webkit-scrollbar-thumb{
    background: linear-gradient(180deg,
    color-mix(in oklab, var(--scrollbar-thumb) 92%, white 8%),
    color-mix(in oklab, var(--scrollbar-thumb) 70%, black 30%)
    );
    border-radius: 6px;
    border: 2px solid var(--scrollbar-track);
    box-shadow: 0 0 6px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.15);
}
#sidebar::-webkit-scrollbar-thumb:hover{
    background: linear-gradient(180deg,
    color-mix(in oklab, var(--scrollbar-thumb-hover) 92%, white 8%),
    color-mix(in oklab, var(--scrollbar-thumb-hover) 70%, black 30%)
    );
}
#sidebar::-webkit-scrollbar-corner{ background: var(--scrollbar-corner) }

#content{
    margin-left: 340px; padding: 20px;
    width: calc(100% - 340px);
    overflow-y: auto; overflow-x: hidden;
    height: calc(100vh - 40px);
    background: linear-gradient(135deg, rgba(22, 26, 30, 0.25), #0f1113);
    color: #fff;
    box-shadow: inset 0 0 10px var(--shadow);
    position: relative;
    backdrop-filter: blur(2px);
}

#content::-webkit-scrollbar { width: 12px }
#content::-webkit-scrollbar-track { background: #14181b; border-radius: 6px }
#content::-webkit-scrollbar-thumb { background: var(--brand); border-radius: 6px }
#content::-webkit-scrollbar-thumb:hover { background: var(--brand-3) }
#content { scrollbar-color: var(--brand) #14181b; scrollbar-width: thin }

@keyframes slide-in { from{ transform: translateX(-12px); opacity: 0 } to{ transform: translateX(0); opacity: 1 } }

@media (max-width: 900px){
    #content{ margin-left: 0; width: 100% }

    #sidebar{
        width: 300px;
        transform: translateX(-100%);
        box-shadow: 5px 0 20px rgba(0,0,0,.6);
    }
    body:not(.sidebar-collapsed) #sidebar{ transform: translateX(0) }
}