/**
 * Jobriver - Navigation Styles
 * Dropdowns, Mega Menu, Language Switcher, Mobile Menu
 */

/* ==========================================================================
   1. Main Navigation
   ========================================================================== */

.main-nav {
    display: none;
}

@media (min-width: 1024px) {
    .main-nav {
        display: flex;
        align-items: center;
    }
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast), color var(--transition-fast);
    white-space: nowrap;
}

.nav-link:hover,
.nav-link:focus {
    background-color: var(--color-border-light);
    color: var(--color-primary);
}

.nav-link.active {
    color: var(--color-primary);
}

.nav-link svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.nav-item.is-open .nav-link svg {
    transform: rotate(180deg);
}


/* ==========================================================================
   2. Dropdown Menu (Simple)
   ========================================================================== */

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: var(--z-dropdown);
    min-width: 220px;
    padding: var(--space-2);
    background-color: var(--color-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
}

.nav-item.is-open .dropdown-menu,
.nav-item:focus-within .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: var(--space-3);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

.dropdown-item:hover,
.dropdown-item:focus {
    background-color: var(--color-border-light);
}

.dropdown-item-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
}

.dropdown-item-desc {
    display: block;
    margin-top: var(--space-1);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}


/* ==========================================================================
   3. Mega Menu
   ========================================================================== */

.mega-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    z-index: var(--z-dropdown);
    width: 640px;
    padding: var(--space-6);
    background-color: var(--color-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
}

.nav-item.is-open .mega-menu,
.nav-item:focus-within .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.mega-menu-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-6);
}

.mega-menu-section {
    display: flex;
    flex-direction: column;
}

.mega-menu-title {
    padding-bottom: var(--space-3);
    margin-bottom: var(--space-3);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--color-border-light);
}

.mega-menu-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.mega-menu-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
    color: var(--color-text);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.mega-menu-link:hover,
.mega-menu-link:focus {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
}

.mega-menu-count {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    font-weight: var(--font-weight-medium);
}

.mega-menu-link:hover .mega-menu-count {
    color: var(--color-primary);
}

.mega-menu-cta {
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border-light);
}

.mega-menu-cta-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-primary);
    transition: color var(--transition-fast);
}

.mega-menu-cta-link:hover {
    color: var(--color-primary-hover);
}

.mega-menu-cta-link svg {
    width: 16px;
    height: 16px;
}


/* ==========================================================================
   4. Language Switcher
   ========================================================================== */

.lang-switcher {
    position: relative;
}

.lang-switcher-btn {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.lang-switcher-btn:hover,
.lang-switcher-btn:focus {
    border-color: var(--color-primary);
    background-color: var(--color-primary-light);
}

.lang-switcher-btn svg {
    width: 14px;
    height: 14px;
    transition: transform var(--transition-fast);
}

.lang-switcher.is-open .lang-switcher-btn svg {
    transform: rotate(180deg);
}

.lang-switcher-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    z-index: var(--z-dropdown);
    min-width: 140px;
    margin-top: var(--space-1);
    padding: var(--space-1);
    background-color: var(--color-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(4px);
    transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
}

.lang-switcher.is-open .lang-switcher-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
    color: var(--color-text);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-align: left;
    transition: background-color var(--transition-fast);
}

.lang-option:hover,
.lang-option:focus {
    background-color: var(--color-border-light);
}

.lang-option.active {
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
}

.lang-option-check {
    width: 16px;
    height: 16px;
    color: var(--color-primary);
    opacity: 0;
}

.lang-option.active .lang-option-check {
    opacity: 1;
}


/* ==========================================================================
   5. Mobile Menu
   ========================================================================== */

.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-modal);
    display: flex;
    visibility: hidden;
}

.mobile-menu.is-open {
    visibility: visible;
}

.mobile-menu-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.mobile-menu.is-open .mobile-menu-overlay {
    opacity: 1;
}

.mobile-menu-panel {
    position: relative;
    width: 100%;
    max-width: 320px;
    height: 100%;
    margin-left: auto;
    background-color: var(--color-white);
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
}

.mobile-menu.is-open .mobile-menu-panel {
    transform: translateX(0);
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-border-light);
}

.mobile-menu-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.mobile-menu-close:hover,
.mobile-menu-close:focus {
    background-color: var(--color-border-light);
}

.mobile-header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.mobile-lang-mini {
    display: flex;
    align-items: center;
    background: var(--color-border-light);
    border-radius: var(--radius-sm);
    padding: 2px;
}

.lang-mini-btn {
    padding: 6px 10px;
    font-size: 12px;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-muted);
    background: transparent;
    border: none;
    border-radius: var(--radius-xs);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lang-mini-btn:hover {
    color: var(--color-text);
}

.lang-mini-btn.active {
    color: var(--color-text);
    background: var(--color-white);
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}


/* ==========================================================================
   6. Mobile Accordion Navigation
   ========================================================================== */

.mobile-nav {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-4);
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
}

.mobile-nav-item {
    border-bottom: 1px solid var(--color-border-light);
}

.mobile-nav-item:last-child {
    border-bottom: none;
}

.mobile-nav-link {
    display: block;
    padding: var(--space-4) 0;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    transition: color var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link:focus {
    color: var(--color-primary);
}

/* Accordion Trigger */
.mobile-accordion-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-4) 0;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    transition: color var(--transition-fast);
}

.mobile-accordion-trigger:hover,
.mobile-accordion-trigger:focus {
    color: var(--color-primary);
}

.mobile-accordion-trigger svg {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-fast);
}

.mobile-nav-item.is-open .mobile-accordion-trigger svg {
    transform: rotate(180deg);
}

/* Accordion Content */
.mobile-accordion-content {
    display: none;
    padding-bottom: var(--space-4);
}

.mobile-nav-item.is-open .mobile-accordion-content {
    display: block;
}

.mobile-accordion-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    padding-left: var(--space-4);
}

.mobile-accordion-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.mobile-accordion-link:hover,
.mobile-accordion-link:focus {
    background-color: var(--color-border-light);
    color: var(--color-text);
}

.mobile-accordion-count {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}


/* ==========================================================================
   7. Mobile Language Switcher
   ========================================================================== */

.mobile-lang-switcher {
    display: flex;
    gap: var(--space-2);
    padding: var(--space-4);
    border-top: 1px solid var(--color-border-light);
}

.mobile-lang-btn {
    flex: 1;
    padding: var(--space-3);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-muted);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.mobile-lang-btn:hover,
.mobile-lang-btn:focus {
    background-color: var(--color-white);
    border-color: var(--color-border);
}

.mobile-lang-btn.active {
    color: var(--color-primary);
    background-color: var(--color-primary-light);
    border-color: var(--color-primary);
}


/* ==========================================================================
   8. Mobile Menu Footer
   ========================================================================== */

.mobile-menu-footer {
    padding: var(--space-4);
    border-top: 1px solid var(--color-border-light);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.btn-block {
    width: 100%;
    justify-content: center;
}


/* ==========================================================================
   9. Header Actions with Language Switcher
   ========================================================================== */

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

@media (max-width: 1023px) {
    .header-actions .lang-switcher,
    .header-actions .btn-ghost,
    .header-actions .btn-primary:not(.mobile-cta) {
        display: none;
    }
}


/* ==========================================================================
   10. Minimal Header (Jobs Page)
   ========================================================================== */

.app-header-nav {
    display: none;
}

@media (min-width: 768px) {
    .app-header-nav {
        display: flex;
        align-items: center;
        gap: var(--space-4);
    }

    .app-header-nav-link {
        font-size: var(--font-size-sm);
        color: var(--color-text-muted);
        transition: color var(--transition-fast);
    }

    .app-header-nav-link:hover,
    .app-header-nav-link:focus {
        color: var(--color-primary);
    }
}