.sidebar {
    width: var(--sb-w);
    flex-shrink: 0;
    background: var(--white);
    border-right: 1px solid var(--border);
    box-shadow: 2px 0 18px rgba(30,58,138,.05);
    height: 100vh;
    position: sticky;
    top: 0;
}
.sb-inner {
    padding: 1.5rem 1rem 2rem;
    position: sticky;
    top: calc(var(--header-h) + 1rem);
    max-height: calc(100vh - var(--header-h) - 2rem);
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--pale) transparent;
}
.sb-inner::-webkit-scrollbar { width: 3px; }
.sb-inner::-webkit-scrollbar-thumb { background: var(--pale); border-radius: 3px; }

.sb-title {
    font-size: .6rem; font-weight: 700; letter-spacing: 2.5px;
    text-transform: uppercase; color: #b0bec5;
    padding: 0 .75rem; margin-bottom: .9rem;
}

.sb-item {
    display: flex; align-items: center;
    padding: .82rem 1rem;
    font-weight: 500; font-size: 14px;
    color: var(--t2); text-decoration: none;
    border-radius: 0 10px 10px 0;
    margin-bottom: .3rem;
    transition: var(--t);
    position: relative;
    border-left: 3px solid transparent;
}
.sb-item::after { display: none; }

.sb-item:hover {
    border-left-color: var(--mid);
    background: var(--xpale);
    color: var(--blue);
    padding-left: 14px;
    transform: none;
    box-shadow: none;
}
.sb-item.active {
    background: var(--G);
    color: var(--white);
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(30,58,138,.28);
    border-left-color: transparent;
    border-radius: 10px;
}

.sb-icon {
    width: 27px; height: 27px; border-radius: 7px;
    background: rgba(0,0,0,.05);
    display: flex; align-items: center; justify-content: center;
    font-size: .72rem; color: var(--t3);
    margin-right: .7rem; flex-shrink: 0; transition: var(--t);
}
.sb-item.active .sb-icon {
    background: rgba(255,255,255,.18);
    color: var(--white);
}
.sb-item:hover .sb-icon {
    background: var(--pale);
    color: var(--blue);
    transform: scale(1.15);
}

.sb-item--parent .sb-chevron {
    margin-left: auto;
    padding-left: .5rem;
    flex-shrink: 0;
}

html.font-small  .sb-item  { font-size: 12px; }
html.font-normal .sb-item  { font-size: 14px; }
html.font-large  .sb-item  { font-size: 15.5px; }
html.font-small  .sb-title { font-size: .52rem; }
html.font-large  .sb-title { font-size: .7rem; }

@media (max-width: 992px) {
    .sidebar {
        position: fixed !important; top: 0; left: -100%;
        width: 276px; height: 100vh; z-index: 2000;
        transition: left .3s var(--ease); overflow-y: auto;
    }
    .sidebar.open { left: 0; }
}