/* ---- moved from template-parts/horizontal-nav.php (inline block) ---- */
/* Horizontal Navigation Styles */
.horizontal-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: transparent;
    backdrop-filter: none;
    border-bottom: none;
    z-index: 999; /* Below header, above content */
    box-shadow: none;
    transition: none;
    overflow: visible;
    height: 0;
    pointer-events: none;
}

/* Submenus should start from header bottom */
.chains-submenu,
.category-submenu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    z-index: 999;
}

/* Allow pointer events only for active submenus */
.horizontal-nav .category-submenu.active,
.horizontal-nav .chains-submenu.active {
    pointer-events: all;
}

/* Admin bar adjustment */
.admin-bar .horizontal-nav {
    top: calc(var(--header-height) + var(--admin-bar-height));
}

.admin-bar .chains-submenu,
.admin-bar .category-submenu {
    top: calc(var(--header-height) + var(--admin-bar-height));
}

/* Mobile: Hide horizontal navigation */
@media (max-width: 768px) {
    .horizontal-nav {
        display: none !important;
    }
}

/* Dark theme */
body.theme-dark .horizontal-nav {
    background: rgba(15, 23, 42, 0.98);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.horizontal-nav-wrapper {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    overflow: visible;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Scroll buttons */
.nav-scroll-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.95);
    color: var(--text-secondary);
    display: grid;
    place-items: center;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
    z-index: 2;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: scale(0.9);
}

.nav-scroll-btn.visible {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

.nav-scroll-btn:hover {
    background: #ffffff;
    color: var(--primary-color);
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.nav-scroll-btn i {
    font-size: 14px;
}

body.theme-dark .nav-scroll-btn {
    background: rgba(30, 41, 59, 0.95);
    color: var(--text-secondary);
}

body.theme-dark .nav-scroll-btn:hover {
    background: #1e293b;
    color: var(--primary-color);
}

.horizontal-nav-container {
    display: flex;
    align-items: center;
    gap: 4px;
    overflow-x: auto;
    overflow-y: visible;
    padding: 12px 0 12px 0;
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 0, 0, 0.2) transparent;
    -webkit-overflow-scrolling: touch;
    min-height: 60px;
    flex: 1;
}

/* Search container */
.nav-search-container {
    position: relative;
    margin-left: auto;
    padding-left: 16px;
    flex-shrink: 0;
}

.nav-search-icon {
    position: absolute;
    left: 28px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 14px;
    opacity: 0.5;
    pointer-events: none;
    z-index: 1;
}

.nav-search-input {
    width: 280px;
    padding: 10px 16px 10px 36px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 24px;
    font-size: 13px;
    font-family: inherit;
    background: rgba(0, 0, 0, 0.02);
    color: var(--text-primary);
    transition: all 0.2s ease;
    outline: none;
}

.nav-search-input::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

.nav-search-input:focus {
    border-color: var(--primary-color);
    background: #ffffff;
    box-shadow: 0 2px 8px rgba(37, 80, 240, 0.1);
}

body.theme-dark .nav-search-input {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

body.theme-dark .nav-search-input:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary-color);
}

/* Показуємо тонкий scrollbar тільки при hover */
.horizontal-nav-container::-webkit-scrollbar {
    height: 4px;
}

.horizontal-nav-container::-webkit-scrollbar-track {
    background: transparent;
}

.horizontal-nav-container::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.15);
    border-radius: 2px;
    transition: background 0.2s ease;
}

.horizontal-nav-container:hover::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.3);
}

body.theme-dark .horizontal-nav-container::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
}

body.theme-dark .horizontal-nav-container:hover::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.35);
}

/* Градієнтні тіні для індикації можливості скролу */
.horizontal-nav-wrapper::before,
.horizontal-nav-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 40px;
    pointer-events: none;
    z-index: 1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.horizontal-nav-wrapper::before {
    left: 0;
    background: linear-gradient(to right, rgba(255, 255, 255, 0.98), transparent);
}

.horizontal-nav-wrapper::after {
    right: 0;
    background: linear-gradient(to left, rgba(255, 255, 255, 0.98), transparent);
}

body.theme-dark .horizontal-nav-wrapper::before {
    background: linear-gradient(to right, rgba(15, 23, 42, 0.98), transparent);
}

body.theme-dark .horizontal-nav-wrapper::after {
    background: linear-gradient(to left, rgba(15, 23, 42, 0.98), transparent);
}

.horizontal-nav-wrapper.show-left-shadow::before {
    opacity: 1;
}

.horizontal-nav-wrapper.show-right-shadow::after {
    opacity: 1;
}

/* Chains toggle button - inherit ALL styles from horizontal-nav-link */
button.chains-toggle {
    /* Reset all button default styles */
    all: unset;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    color: #ffffff;
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    border-radius: 100px;
    white-space: nowrap;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
    background: rgba(255, 255, 255, 0.08);
    border: none;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    position: relative;
    cursor: pointer;
    font-family: inherit;
}

/* Static chains button - doesn't scroll */
button.chains-static {
    flex-shrink: 0;
    margin-right: 12px;
    position: relative;
}

button.chains-static::after {
    content: '';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 24px;
    background: rgba(0, 0, 0, 0.1);
}

/* Category toggle - same styles as chains */
button.category-toggle {
    all: unset;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    color: #ffffff;
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    border-radius: 100px;
    white-space: nowrap;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
    background: rgba(255, 255, 255, 0.08);
    border: none;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    position: relative;
    cursor: pointer;
    font-family: inherit;
}

button.category-static {
    flex-shrink: 0;
    margin-right: 12px;
    position: relative;
}

button.category-static::after {
    content: '';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 24px;
    background: rgba(0, 0, 0, 0.1);
}

button.category-toggle:hover {
    background: #ffffff;
    border-color: #ffffff;
    border-style: solid;
    color: #2450f1;
}

button.category-toggle.active {
    background: #ffffff;
    border-color: #ffffff;
    border-style: solid;
    color: #2450f1;
    box-shadow: none;
}

button.category-toggle.active .nav-icon,
button.category-toggle.active .dropdown-arrow {
    opacity: 1;
}

button.category-toggle .dropdown-arrow {
    font-size: 10px;
    margin-left: 2px;
    transition: transform 0.2s ease;
    opacity: 0.6;
}

button.category-toggle.active .dropdown-arrow {
    transform: rotate(180deg);
}

body.theme-dark button.chains-static::after {
    background: rgba(255, 255, 255, 0.15);
}

button.chains-toggle:hover {
    background: #ffffff;
    border-color: #ffffff;
    border-style: solid;
    color: #2450f1;
}

button.chains-toggle.active {
    background: #ffffff;
    border-color: #ffffff;
    border-style: solid;
    color: #2450f1;
    box-shadow: none;
}

button.chains-toggle.active .nav-icon,
button.chains-toggle.active .dropdown-arrow {
    opacity: 1;
}

button.chains-toggle .dropdown-arrow {
    font-size: 10px;
    margin-left: 2px;
    transition: transform 0.2s ease;
    opacity: 0.6;
}

button.chains-toggle.active .dropdown-arrow {
    transform: rotate(180deg);
}

/* Chains submenu (second row) - multi-row support */
.chains-submenu {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: all 0.3s ease;
    border-top: 1px solid transparent;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border-radius: 0 0 12px 12px;
}

.chains-submenu.active {
    max-height: 300px;
    opacity: 1;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

body.theme-dark .chains-submenu {
    background: rgba(15, 23, 42, 0.98);
}

body.theme-dark .chains-submenu.active {
    border-top-color: rgba(255, 255, 255, 0.08);
}

.chains-submenu-container {
    display: flex;
    flex-wrap: wrap; /* Разрешаем перенос на новую строку */
    align-items: flex-start;
    gap: 8px;
    overflow-y: auto; /* Вертикальный скролл если больше 3 рядов */
    overflow-x: hidden;
    padding: 12px 24px;
    max-height: 280px;
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 0, 0, 0.2) transparent;
}

.chains-submenu-container::-webkit-scrollbar {
    width: 6px;
}

.chains-submenu-container::-webkit-scrollbar-track {
    background: transparent;
}

.chains-submenu-container::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.15);
    border-radius: 3px;
}

.chains-submenu-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    border-radius: 10px;
    white-space: nowrap;
    transition: all 0.2s ease;
    background: rgba(0, 0, 0, 0.03);
    border: 1px solid transparent;
}

.chains-submenu-item:hover {
    background: rgba(37, 80, 240, 0.08);
    color: var(--primary-color);
    border-color: rgba(37, 80, 240, 0.1);
    transform: translateY(-1px);
}

.chains-submenu-item .oxn-bc-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.chains-submenu-item .oxn-bc-icon svg,
.chains-submenu-item .oxn-bc-icon img {
    width: 18px;
    height: 18px;
}

body.theme-dark .chains-submenu-item {
    background: rgba(255, 255, 255, 0.05);
}

body.theme-dark .chains-submenu-item:hover {
    background: rgba(37, 80, 240, 0.15);
}

/* Category submenu - same as chains */
.category-submenu {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: all 0.3s ease;
    border-top: 1px solid transparent;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border-radius: 0 0 12px 12px;
}

.category-submenu.active {
    max-height: 70vh;
    opacity: 1;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

body.theme-dark .category-submenu {
    background: rgba(15, 23, 42, 0.98);
}

body.theme-dark .category-submenu.active {
    border-top-color: rgba(255, 255, 255, 0.08);
}

.category-submenu-container {
    display: flex;
    flex-direction: column;
    gap: 28px;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 24px 32px;
    max-height: 70vh;
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 0, 0, 0.2) transparent;
}

.category-submenu-container::-webkit-scrollbar {
    width: 8px;
}

.category-submenu-container::-webkit-scrollbar-track {
    background: transparent;
}

.category-submenu-container::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
}

body.theme-dark .category-submenu-container::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
}

/* Category sections */
.category-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.category-section-title {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--primary-color);
    margin: 0;
    padding: 0 0 10px 0;
    border-bottom: 2px solid var(--primary-color);
    display: inline-block;
    width: fit-content;
}

.category-section-items {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 6px;
}

.category-submenu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    border-radius: 8px;
    white-space: nowrap;
    transition: all 0.2s ease;
    background: transparent;
    border: 1px solid transparent;
}

.category-submenu-item:hover {
    background: rgba(37, 80, 240, 0.08);
    color: var(--primary-color);
    border-color: rgba(37, 80, 240, 0.1);
    transform: translateX(4px);
}

.category-submenu-item i {
    font-size: 16px;
    opacity: 0.7;
    width: 20px;
    text-align: center;
}

.category-submenu-item:hover i {
    opacity: 1;
}

body.theme-dark .category-submenu-item:hover {
    background: rgba(37, 80, 240, 0.15);
}

.horizontal-nav-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    border-radius: 12px;
    white-space: nowrap;
    transition: all 0.2s ease;
    background: transparent;
    border: 1px solid transparent;
    position: relative;
}

.horizontal-nav-link .nav-icon {
    font-size: 16px;
    opacity: 0.7;
    transition: all 0.2s ease;
}

.horizontal-nav-link:hover {
    background: transparent;
    color: var(--primary-color);
    transform: translateY(-1px);
}

.horizontal-nav-link:hover .nav-icon {
    opacity: 1;
    transform: scale(1.1);
}

.horizontal-nav-link.active {
    background: var(--primary-color);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(37, 80, 240, 0.3);
}

.horizontal-nav-link.active .nav-icon {
    opacity: 1;
}

/* Dark theme adjustments */
body.theme-dark .horizontal-nav {
    background: rgba(15, 23, 42, 0.98);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

body.theme-dark .horizontal-nav-link {
    color: var(--text-secondary);
}

body.theme-dark .horizontal-nav-link:hover {
    background: rgba(37, 80, 240, 0.15);
    color: var(--text-primary);
}

body.theme-dark .horizontal-nav-link.active {
    background: var(--primary-color);
    color: #ffffff;
}

/* Mobile responsive */
@media (max-width: 1024px) {
    .horizontal-nav-wrapper {
        padding: 0 16px;
    }
    
    .horizontal-nav-container {
        gap: 2px;
        padding: 10px 0;
    }
    
    .horizontal-nav-link {
        padding: 8px 14px;
        font-size: 13px;
    }
    
    .horizontal-nav-link .nav-icon {
        font-size: 14px;
    }
    
    /* Submenu adjustments */
    .chains-submenu-container,
    .category-submenu-container {
        padding: 12px 16px;
        gap: 6px;
    }
    
    .chains-submenu-item,
    .category-submenu-item {
        padding: 6px 12px;
        font-size: 12px;
    }
    
    /* Градієнтні тіні вужчі на мобільних */
    .horizontal-nav-wrapper::before,
    .horizontal-nav-wrapper::after {
        width: 30px;
    }
}

/* Very small screens - icon only mode */
@media (max-width: 640px) {
    /* Hide scroll buttons on mobile - use natural scroll */
    .nav-scroll-btn {
        display: none !important;
    }
    
    /* Remove static buttons margins to save space */
    button.category-static,
    button.chains-static {
        margin-right: 4px;
        padding: 8px 10px;
    }
    
    button.category-static::after,
    button.chains-static::after {
        display: none; /* Remove divider to save space */
    }
    
    /* Optimize wrapper padding */
    .horizontal-nav-wrapper {
        padding: 0 8px !important;
        gap: 4px;
    }
    
    .horizontal-nav-link .nav-text {
        display: none;
    }
    
    .horizontal-nav-link {
        padding: 8px 10px;
        justify-content: center;
        min-width: 40px;
    }
    
    .horizontal-nav-link .nav-icon {
        font-size: 18px;
        margin: 0;
    }
    
    .horizontal-nav-link .dropdown-arrow {
        margin-left: 4px;
        font-size: 8px;
    }
    
    /* More compact container */
    .horizontal-nav-container {
        gap: 4px;
        padding: 10px 0;
    }
    
    /* Submenu full width */
    .chains-submenu-container,
    .category-submenu-container {
        padding: 10px 8px;
        gap: 6px;
    }
    
    .chains-submenu-item,
    .category-submenu-item {
        padding: 6px 10px;
        font-size: 11px;
        gap: 6px;
    }
    
    .chains-submenu-item .oxn-bc-icon svg,
    .chains-submenu-item .oxn-bc-icon img {
        width: 14px;
        height: 14px;
    }
    
    /* Hide gradients on mobile */
    .horizontal-nav-wrapper::before,
    .horizontal-nav-wrapper::after {
        display: none !important;
    }
}

/* Покращена читабельність при багатьох пунктах */
@media (min-width: 1400px) {
    .horizontal-nav-wrapper {
        max-width: 1600px;
    }
}

@media (min-width: 1800px) {
    .horizontal-nav-wrapper {
        max-width: 1800px;
    }
}

/* Анімація появи градієнтів */
.horizontal-nav-wrapper::before,
.horizontal-nav-wrapper::after {
    transition: opacity 0.3s ease;
}

/* Scrolled state */
.horizontal-nav.scrolled {
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
}

body.theme-dark .horizontal-nav.scrolled {
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.4);
}