/* Nav Dropdown — BEM component for navigation dropdowns */

.nav-dropdown {
    position: relative;
}

.nav-dropdown__trigger {
    background: none;
    border: none;
    color: var(--color-white);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: inherit;
    font-family: inherit;
    font-weight: inherit;
    padding: 0;
    text-decoration: none;
}

.nav-dropdown__trigger:hover {
    opacity: 0.85;
}

.nav-dropdown__chevron {
    transition: transform var(--transition-fast, 0.15s ease);
    flex-shrink: 0;
}

.nav-dropdown__trigger[aria-expanded="true"] .nav-dropdown__chevron {
    transform: rotate(180deg);
}

.nav-dropdown__menu {
    display: none;
    position: absolute;
    top: calc(100% + var(--space-sm));
    left: 50%;
    transform: translateX(-50%);
    min-width: 180px;
    background: var(--color-white);
    border-radius: var(--radius-md, 6px);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-dropdown);
    padding: var(--space-xs) 0;
    white-space: nowrap;
}

.nav-dropdown__menu--open {
    display: block;
}

.nav-dropdown__item {
    display: block;
    padding: var(--space-sm) var(--space-md);
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: var(--font-size-sm, 0.875rem);
    transition: background var(--transition-fast, 0.15s ease);
}

.nav-dropdown__item:hover {
    background: var(--color-bg-tertiary);
}

.nav-dropdown__item--all {
    font-weight: var(--font-weight-semibold, 600);
    border-bottom: 1px solid var(--color-border, #e5e7eb);
    margin-bottom: var(--space-xs);
}

/* Mobile: render as flat inline list, no absolute positioning */
@media (max-width: 768px) {
    .nav-dropdown {
        width: 100%;
    }

    .nav-dropdown__trigger {
        font-size: var(--font-size-md);
        padding: var(--spacing-20) 0;
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
        justify-content: space-between;
    }

    .nav-dropdown__menu {
        position: static;
        transform: none;
        background: rgba(255, 255, 255, 0.08);
        box-shadow: none;
        border-radius: 0 0 var(--radius-md) var(--radius-md);
        padding: var(--space-xs) var(--space-sm);
        min-width: unset;
        width: 100%;
        box-sizing: border-box;
    }

    .nav-dropdown__item {
        color: var(--color-white);
        padding: var(--spacing-20) var(--spacing-30);
        font-size: var(--font-size-sm);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        max-width: 100%;
        box-sizing: border-box;
    }

    .nav-dropdown__item:hover {
        background: rgba(255, 255, 255, 0.1);
    }

    .nav-dropdown__item--all {
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
        margin-bottom: 0;
    }
}