/* ==========================================================================
   MEGA-MENU.CSS - Cascading Dropdown Navigation
   ========================================================================== */

/* Desktop Navigation Container */
.main-nav {
    display: none;
    align-items: center;
    gap: 0.25rem;
}

@media (min-width: 769px) {
    .main-nav {
        display: flex;
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
    }
}

/* Nav Item (each dropdown trigger) */
.nav-item {
    position: relative;
}

.nav-item > a {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.5rem 0.75rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-main);
    border-radius: 8px;
    transition: background 0.2s, color 0.2s;
}

.nav-item > a:hover {
    background: var(--border-subtle);
    color: var(--primary-blue);
}

.nav-item > a i.fa-chevron-down {
    font-size: 0.65rem;
    transition: transform 0.2s;
    opacity: 0.6;
}

.nav-item:hover > a i.fa-chevron-down {
    transform: rotate(180deg);
}

/* Dropdown Panel (first level) */
.dropdown-panel {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--surface-white);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 220px;
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
    z-index: 1000;
}

.nav-item:hover > .dropdown-panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Dropdown Category Headers */
.dropdown-category {
    position: relative;
}

.dropdown-category > a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-main);
    transition: background 0.15s, color 0.15s;
}

.dropdown-category > a:hover {
    background: var(--bg-off-white);
    color: var(--primary-blue);
}

.dropdown-category > a i.fa-chevron-right {
    font-size: 0.6rem;
    opacity: 0.5;
    transition: transform 0.15s, opacity 0.15s;
}

.dropdown-category:hover > a i.fa-chevron-right {
    transform: translateX(3px);
    opacity: 1;
}

/* Cascading Submenu (second level) */
.dropdown-submenu {
    position: absolute;
    top: 0;
    left: 100%;
    background: var(--surface-white);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 240px;
    max-height: 400px;
    overflow-y: auto;
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-10px);
    transition: opacity 0.15s, transform 0.15s, visibility 0.15s;
    z-index: 1001;
}

.dropdown-category:hover > .dropdown-submenu {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

/* Submenu Links */
.dropdown-submenu a {
    display: block;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    color: var(--text-main);
    transition: background 0.1s, color 0.1s;
}

.dropdown-submenu a:hover {
    background: var(--bg-off-white);
    color: var(--primary-blue);
}

/* Submenu Section Headers */
.submenu-header {
    padding: 0.5rem 1rem 0.25rem;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

.submenu-divider {
    height: 1px;
    background: var(--border-subtle);
    margin: 0.5rem 0;
}

/* Direct dropdown link (no submenu) */
.dropdown-link {
    display: block;
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
    color: var(--text-main);
    transition: background 0.15s, color 0.15s;
}

.dropdown-link:hover {
    background: var(--bg-off-white);
    color: var(--primary-blue);
}

/* Dropdown divider */
.dropdown-divider {
    height: 1px;
    background: var(--border-subtle);
    margin: 0.5rem 0;
}

/* View All link at bottom */
.dropdown-view-all {
    display: block;
    padding: 0.6rem 1rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-blue);
    border-top: 1px solid var(--border-subtle);
    margin-top: 0.5rem;
    transition: background 0.15s;
}

.dropdown-view-all:hover {
    background: var(--bg-off-white);
}

.dropdown-view-all i {
    margin-left: 0.25rem;
    font-size: 0.7rem;
}

/* BREADCRUMBS */
.breadcrumbs {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 1rem 0;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.breadcrumbs a {
    color: var(--text-muted);
    transition: color 0.15s;
}

.breadcrumbs a:hover {
    color: var(--primary-blue);
}

.breadcrumbs .separator {
    font-size: 0.7rem;
    opacity: 0.5;
}

.breadcrumbs .current {
    color: var(--text-main);
    font-weight: 500;
}

/* Mobile breadcrumb (collapsed) */
@media (max-width: 768px) {
    .breadcrumbs {
        font-size: 0.8rem;
    }

    .breadcrumbs .breadcrumb-item:not(:last-child):not(:nth-last-child(2)) {
        display: none;
    }

    .breadcrumbs .separator:not(:last-of-type) {
        display: none;
    }

    /* Show back arrow on mobile */
    .breadcrumbs .breadcrumb-back {
        display: flex;
        align-items: center;
        gap: 0.35rem;
    }

    .breadcrumbs .breadcrumb-back i {
        font-size: 0.75rem;
    }
}

@media (min-width: 769px) {
    .breadcrumbs .breadcrumb-back i {
        display: none;
    }
}

/* Dark mode adjustments */
[data-theme="dark"] .dropdown-panel,
[data-theme="dark"] .dropdown-submenu {
    background: var(--surface-white);
    border-color: var(--border-subtle);
}