/* Tiered (multi-level) menu — PrimeVue-style. Built on .popover-panel; submenus
   cascade to the right on hover. Mirrors the SingleSelect / multiselect look. */

.popover-panel.tiered-menu-popover {
    background-color: var(--card-bg, var(--bg-primary, #ffffff));
    min-width: 200px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    user-select: none;
}

.tiered-menu-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.35rem 0.5rem;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--text-primary, #111827);
    font-size: 0.875rem;
    cursor: pointer;
    text-align: left;
    line-height: 1.2;
    transition: background 0.2s ease-out, color 0.2s ease-out;
}

.tiered-menu-item:hover {
    background: color-mix(in srgb, var(--accent) 16%, transparent);
    color: var(--accent);
}

.tiered-menu-item.disabled {
    color: var(--text-tertiary, #9ca3af);
    cursor: not-allowed;
}

.tiered-menu-item.disabled:hover {
    background: transparent;
}

.tiered-menu-icon {
    font-size: 0.875rem;
    line-height: 1;
    width: 16px;
    text-align: center;
    flex-shrink: 0;
}

.tiered-menu-label {
    flex: 1;
    white-space: nowrap;
}

.tiered-menu-arrow {
    font-size: 11px;
    line-height: 1;
    flex-shrink: 0;
    color: var(--accent, #9ca3af);
}

.tiered-menu-separator {
    height: 1px;
    margin: 4px 6px;
    background: var(--border-docs);
}

/* Submenu parent + cascading nested panel (same surface as the main panel) */
.tiered-menu-item.has-submenu {
    position: relative;
}

.tiered-menu-submenu {
    position: absolute;
    left: 100%;
    top: -6px;
    min-width: 200px;
    display: none;
    flex-direction: column;
    gap: 2px;
    background-color: var(--card-bg, var(--bg-primary, #ffffff));
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, .12);
    padding: 6px;
    z-index: 1;
}

.tiered-menu-item.has-submenu:hover > .tiered-menu-submenu {
    display: flex;
}