/* Desktop padrão */
.app-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    height: 100vh;
    overflow: hidden;
}

.layout-sidebar {
    height: 100vh;
    overflow: hidden;
}

.main-content {
    height: 100vh;
    overflow: auto;
    min-width: 0;
}

/* Mobile: sidebar vira drawer (usa .layout-sidebar, não .sidebar!) */
@media (max-width: 991.98px) {
    .app-layout {
        grid-template-columns: 1fr;
    }

    .layout-sidebar {
        position: fixed;
        top: 0;
        left: 0;
        width: 280px;
        max-width: 85vw;
        height: 100vh;
        z-index: 1600;
        transform: translateX(-110%);
        transition: transform .2s ease;
    }

        .layout-sidebar.is-open {
            transform: translateX(0);
        }
}

/* Backdrop */
.sidebar-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.35);
    z-index: 1500;
}

/* FAB */
.fab-menu {
    position: fixed;
    z-index: 2000;
    right: 16px;
    bottom: 16px;
    width: 56px;
    height: 56px;
    border-radius: 999px;
    border: none;
    display: grid;
    place-items: center;
    font-size: 28px;
    background: #7d0b0b;
    color: #fff;
    box-shadow: 0 10px 25px rgba(0,0,0,.3);
}

/* Some no desktop */
@media (min-width: 992px) {
    .fab-menu {
        display: none;
    }
}