:root {
    --sidebar-collapsed-width: 5.5rem;
}

.sidebar {
    width: var(--sidebar-width);
    transition: width var(--transition-slow), transform var(--transition-slow), box-shadow var(--transition-fast);
}

.sidebar-header {
    justify-content: space-between;
    gap: 1rem;
}

.sidebar-brand {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    text-decoration: none;
}

.sidebar-logo {
    display: block;
}

.sidebar-logo-full {
    width: 100%;
    max-width: 13.5rem;
    height: 3rem;
    object-fit: contain;
    object-position: left center;
}

.sidebar-logo-icon {
    display: none;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: var(--radius-md);
    object-fit: contain;
}

.sidebar-toggle {
    inline-size: 2.5rem;
    block-size: 2.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius-lg);
    background: var(--surface-container-lowest);
    color: var(--on-surface-variant);
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.sidebar-toggle:hover {
    background: var(--surface-container-high);
    color: var(--primary);
}

.sidebar-toggle .material-symbols-outlined {
    font-size: 1.25rem;
    transition: transform var(--transition-fast);
}

.sidebar-copy {
    min-width: 0;
}

.sidebar-nav > li {
    list-style: none;
}

.sidebar-nav .nav-link {
    position: relative;
    min-height: 3rem;
}

.sidebar-nav .nav-link .sidebar-copy,
.sidebar-nav .nav-section-label .sidebar-copy,
.sidebar-brand .sidebar-copy {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: opacity var(--transition-fast), width var(--transition-fast);
}

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

.sidebar.collapsed ~ .layout-staff .main-content {
    margin-left: var(--sidebar-collapsed-width);
    max-width: calc(100vw - var(--sidebar-collapsed-width));
}

.sidebar.collapsed ~ .navbar-staff {
    left: var(--sidebar-collapsed-width);
}

.sidebar.collapsed .sidebar-header {
    padding-inline: 1rem;
    justify-content: flex-end;
}

.sidebar.collapsed .sidebar-brand {
    display: none;
}

.sidebar.collapsed .sidebar-logo-full {
    display: none;
}

.sidebar.collapsed .sidebar-logo-icon {
    display: block;
}

.sidebar.collapsed .sidebar-brand .sidebar-copy,
.sidebar.collapsed .sidebar-nav .nav-link .sidebar-copy,
.sidebar.collapsed .sidebar-nav .nav-section-label .sidebar-copy {
    width: 0;
    opacity: 0;
}

.sidebar.collapsed .sidebar-nav {
    padding-inline: 0.5rem;
}

.sidebar.collapsed .sidebar-nav .nav-link {
    justify-content: center;
    padding-inline: 0.75rem;
}

.sidebar.collapsed .sidebar-nav .nav-link:hover {
    transform: none;
}

.sidebar.collapsed .sidebar-nav .nav-link::after {
    content: attr(data-title);
    position: absolute;
    left: calc(100% + 0.75rem);
    top: 50%;
    transform: translateY(-50%) translateX(-0.25rem);
    padding: 0.4rem 0.6rem;
    border-radius: var(--radius-md);
    background: var(--inverse-surface);
    color: var(--inverse-on-surface);
    font-size: 0.7rem;
    letter-spacing: normal;
    text-transform: none;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    box-shadow: var(--shadow-md);
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.sidebar.collapsed .sidebar-nav .nav-link:hover::after,
.sidebar.collapsed .sidebar-nav .nav-link:focus-visible::after {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

.sidebar.collapsed .sidebar-nav .nav-divider,
.sidebar.collapsed .sidebar-nav .nav-section-label {
    margin-inline: 0.5rem;
}

.sidebar.collapsed .sidebar-nav .nav-section-label {
    min-height: 0.5rem;
    padding-block: 0.25rem;
}

.sidebar.collapsed .sidebar-toggle .material-symbols-outlined {
    transform: rotate(180deg);
}

.sidebar-backdrop {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition-fast), visibility var(--transition-fast);
}

.sidebar-backdrop.show {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

body.sidebar-open {
    overflow: hidden;
}

@media (max-width: 991.98px) {
    .sidebar {
        width: min(18rem, calc(100vw - 1rem));
        transform: translateX(-100%);
        box-shadow: var(--shadow-xl);
    }

    .sidebar.show {
        transform: translateX(0);
    }

    .sidebar.collapsed {
        width: min(18rem, calc(100vw - 1rem));
    }

    .sidebar.collapsed ~ .navbar-staff {
        left: 0;
    }

    .sidebar.collapsed ~ .layout-staff .main-content,
    .sidebar ~ .layout-staff .main-content {
        margin-left: 0;
        max-width: 100vw;
    }

    .sidebar .sidebar-toggle .material-symbols-outlined,
    .sidebar.collapsed .sidebar-toggle .material-symbols-outlined {
        transform: none;
    }

    .sidebar.show .sidebar-toggle .material-symbols-outlined {
        font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    }

    .sidebar.collapsed .sidebar-brand .sidebar-copy,
    .sidebar.collapsed .sidebar-nav .nav-link .sidebar-copy,
    .sidebar.collapsed .sidebar-nav .nav-section-label .sidebar-copy {
        width: auto;
        opacity: 1;
    }

    .sidebar.collapsed .sidebar-nav {
        padding-inline: 0.75rem;
    }

    .sidebar.collapsed .sidebar-nav .nav-link {
        justify-content: flex-start;
        padding-inline: 1rem;
    }

    .sidebar.collapsed .sidebar-nav .nav-link::after {
        display: none;
    }

    .sidebar.collapsed .sidebar-logo-full {
        display: block;
    }

    .sidebar.collapsed .sidebar-logo-icon {
        display: none;
    }

    .sidebar.collapsed .sidebar-header {
        justify-content: space-between;
    }

    .sidebar.collapsed .sidebar-brand {
        display: flex;
    }

    .sidebar-backdrop {
        position: fixed;
        inset: 0;
        background: rgba(25, 28, 29, 0.38);
        z-index: 35;
    }
}

@media (max-width: 640px) {
    .sidebar-header {
        padding: 1rem;
    }

    .sidebar-logo-full {
        height: 2.75rem;
    }

    .sidebar-nav {
        padding-inline: 0.5rem;
    }

    .sidebar-nav .nav-link {
        padding-inline: 0.875rem;
    }
}

.sidebar-nav::-webkit-scrollbar {
    width: 0.35rem;
}

.sidebar-nav::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar-nav::-webkit-scrollbar-thumb {
    background: var(--outline-variant);
    border-radius: var(--radius-full);
}

.sidebar-nav::-webkit-scrollbar-thumb:hover {
    background: var(--outline);
}