/**
 * Category Mega Menu Navigation Bar
 * Your Electrics - Horizontal categories with dropdown subcategory panels
 *
 * Appears on ALL pages (desktop only), below the dark navigation bar.
 * Each top-level category opens a dropdown showing its subcategories.
 * Hidden below 1024px (categories accessible via mobile slide-out menu).
 *
 * Structure:
 * 1. Bar Layout & Positioning
 * 2. Category Items & Links
 * 3. Chevron Icon
 * 4. Active & Hover States
 * 5. Dropdown Panel
 * 6. Subcategory Grid
 * 7. View All Link
 * 8. Responsive (hide on mobile/tablet)
 */


/* ============================================
   1. BAR LAYOUT & POSITIONING
   Sticky white bar below main nav
   ============================================ */

/**
 * Sticky bar anchored to top on scroll.
 * Also serves as the positioning context for dropdown panels
 * (items use position: static so dropdowns anchor here).
 */
.ye-category-nav {
    background-color: var(--white);
    border-bottom: 2px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

/**
 * Single-row category bar (like CEF).
 * flex-wrap: nowrap keeps all categories on one line.
 * Dropdowns are positioned relative to .ye-category-nav (items are static),
 * so they are NOT clipped by the container.
 */
.ye-category-nav__container {
    max-width: var(--max-width-container);
    margin: 0 auto;
    padding: 0;
    display: flex;
    align-items: stretch;
    flex-wrap: nowrap;
    justify-content: center;
}


/* ============================================
   2. CATEGORY ITEMS & LINKS
   ============================================ */

/**
 * Position is static (not relative) so the dropdown
 * positions relative to .ye-category-nav instead.
 * This prevents dropdowns from being offset when
 * a category is on the second row of a wrapped layout.
 */
.ye-category-nav__item {
    position: static;
}

/**
 * Category trigger link
 * Compact single-line layout to fit all categories in one row
 */
.ye-category-nav__link {
    display: flex;
    align-items: center;
    gap: 0.2rem;
    padding: 0.5rem 0.6rem;
    color: var(--dark-gray);
    text-decoration: none;
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: var(--font-weight-medium);
    line-height: 1.2;
    text-align: center;
    white-space: nowrap;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px; /* Overlap the container border */
    transition:
        color var(--transition-fast),
        background-color var(--transition-fast),
        border-color var(--transition-fast);
}


/* ============================================
   3. CHEVRON ICON
   Small down arrow on categories with subcategories
   ============================================ */

.ye-category-nav__chevron {
    flex-shrink: 0;
    opacity: 0.5;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* Rotate chevron when dropdown is open */
.ye-category-nav__item.is-open .ye-category-nav__chevron,
.ye-category-nav__item:hover .ye-category-nav__chevron {
    transform: rotate(180deg);
    opacity: 1;
}


/* ============================================
   4. ACTIVE & HOVER STATES
   ============================================ */

.ye-category-nav__link:hover {
    background-color: var(--bg-tertiary);
    color: var(--dark-gray);
}

/* Active category — red text and red bottom border */
.ye-category-nav__item.is-active .ye-category-nav__link {
    color: var(--primary-red);
    border-bottom-color: var(--primary-red);
    font-weight: var(--font-weight-semibold);
}

/* Hover/open state for items with dropdowns */
.ye-category-nav__item.is-open .ye-category-nav__link,
.ye-category-nav__item:hover .ye-category-nav__link {
    color: var(--primary-red);
    border-bottom-color: var(--primary-red);
}


/* ============================================
   5. DROPDOWN PANEL
   Full-width panel that appears below the category bar
   ============================================ */

.ye-category-nav__dropdown {
    position: absolute;
    top: 100%;
    left: 0;

    /* Full viewport width, anchored to left edge */
    width: 100vw;
    margin-left: calc(-50vw + 50%);

    background-color: var(--white);
    border-top: 3px solid var(--primary-red);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    z-index: var(--z-index-dropdown);

    /* Hidden by default */
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition:
        opacity var(--transition-fast),
        visibility var(--transition-fast),
        transform var(--transition-fast);

    /* Prevent dropdown from being clipped */
    pointer-events: none;
}

/* Show dropdown on hover or JS-triggered open state */
.ye-category-nav__item:hover .ye-category-nav__dropdown,
.ye-category-nav__item.is-open .ye-category-nav__dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}


/* ============================================
   6. SUBCATEGORY GRID
   Multi-column layout for subcategory links
   ============================================ */

.ye-category-nav__dropdown-inner {
    max-width: var(--max-width-container);
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-lg);
}

/**
 * CSS columns for subcategory links
 * Automatically flows into columns, avoiding orphan links
 */
.ye-category-nav__dropdown-grid {
    column-count: 5;
    column-gap: var(--spacing-xl);
}

.ye-category-nav__dropdown-grid a {
    display: block;
    padding: var(--spacing-xs) 0;
    color: var(--dark-gray);
    text-decoration: none;
    font-size: var(--font-size-sm);
    line-height: 1.6;
    break-inside: avoid; /* Prevent link from splitting across columns */
    transition: color var(--transition-fast);
}

.ye-category-nav__dropdown-grid a:hover {
    color: var(--primary-red);
}

/* Fewer columns for categories with fewer subcategories */
.ye-category-nav__dropdown-grid--narrow {
    column-count: 3;
}


/* ============================================
   7. VIEW ALL LINK
   Bottom link to parent category archive
   ============================================ */

.ye-category-nav__view-all {
    display: inline-block;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    color: var(--primary-red);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: color var(--transition-fast);
    width: 100%;
}

.ye-category-nav__view-all:hover {
    color: var(--red-hover);
}

.ye-category-nav__view-all::after {
    content: ' \2192'; /* → arrow */
}


/* ============================================
   8. RESPONSIVE
   Hide entire category bar on tablet/mobile
   (categories accessible via mobile slide-out menu)
   ============================================ */

@media (max-width: 1023px) {
    .ye-category-nav {
        display: none;
    }
}