.offcanvas-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
    z-index: 200;
}

    .offcanvas-overlay.open {
        opacity: 1;
        pointer-events: auto;
    }

.offcanvas {
    position: fixed;
    left: -320px;
    top: 0;
    width: 280px;
    height: 100%;
    background: #fff;
    box-shadow: 6px 0 30px rgba(0,0,0,0.25);
    transition: left 0.25s ease;
    z-index: 220;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    overflow-y: auto;
}

.offcanvas-title {
    font-size: 20px;
    font-weight: 800;
    color: var(--warm);
    margin-bottom: 12px;
    padding-left: 4px;
    user-select: none;
}


.offcanvas.open {
    left: 0;
}

.offcanvas .close {
    align-self: flex-end;
    background: transparent;
    border: 0;
    font-size: 20px;
    cursor: pointer;
}

.offcanvas nav a {
    display: block;
    padding: 10px 8px;
    border-radius: 8px;
    color: var(--warm);
    font-weight: 700;
    text-decoration: none;
}

    .offcanvas nav a:hover {
        background: var(--shadow-warm);
    }
#offcanvas nav summary {
    font-weight: 700;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    color: var(--muted);
}

.offcanvas summary::marker {
    color: #c6a384; 
}

.offcanvas summary::-webkit-details-marker {
    color: #c6a384;
}

#offcanvas nav summary:hover {
    background: var(--shadow-warm);
}

#offcanvas nav details {
    margin-bottom: 6px;
}

#offcanvas nav a.menu-item {
    display: block;
    padding: 6px 14px;
    margin-left: 8px;
    border-radius: 6px;
    color: var(--warm);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
}

    #offcanvas nav a.menu-item:hover {
        background: var(--shadow-warm);
    }

#offcanvas nav .submenu {
    margin-left: 12px;
    border-left: 2px solid var(--shadow-warm);
    padding-left: 10px;
}