.navbar {
    background: rgba(255, 255, 255, 0.99);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 0 rgba(0, 0, 0, 0.06);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0.625rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--gray-900);
    letter-spacing: -0.02em;
    text-decoration: none;
}

.logo-icon {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border-radius: var(--radius-md);
    color: var(--primary);
    font-size: 1.25rem;
    transition: var(--transition);
}

.logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.logo:hover .logo-icon {
    transform: rotate(-8deg) scale(1.05);
}

.logo .accent {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.region-badge {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    flex-shrink: 0;
    padding: 0.2rem 0.5rem;
    background: var(--gray-100);
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--gray-600);
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap;
    border: none;
}

.region-badge:hover {
    background: var(--primary-100);
    color: var(--primary);
}

.nav-center {
    flex: 1;
    max-width: 680px;
}

.search-container {
    display: flex;
    align-items: stretch;
    background: var(--gray-100);
    border-radius: var(--radius-xl);
    /* Keep the custom category panel visible below the search bar. */
    overflow: visible;
    border: 2px solid transparent;
    gap: 0;
    transition: var(--transition);
}

.search-container:focus-within {
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 3px var(--primary-100), var(--shadow-md);
}

.category-select {
    padding: 0.625rem 1rem;
    border: none;
    background: rgba(0, 0, 0, 0.04);
    color: var(--gray-700);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    min-width: 130px;
    border-right: 1px solid var(--gray-200);
    border-radius: var(--radius-xl) 0 0 var(--radius-xl);
}

.category-select:focus {
    outline: none;
}

.search-container .cs-select {
    min-width: 130px;
    flex: 0 0 130px;
    margin: 0;
}

.search-container .cs-trigger {
    min-height: 100%;
    padding: 0.625rem 1rem;
    border: 0;
    border-right: 1px solid var(--gray-200);
    border-radius: var(--radius-xl) 0 0 var(--radius-xl);
    background: rgba(0, 0, 0, 0.04);
}

.search-input {
    flex: 1;
    padding: 0.625rem 1rem;
    border: none;
    background: transparent;
    font-size: 0.9rem;
    color: var(--gray-800);
    min-width: 0;
}

.search-input::placeholder {
    color: var(--gray-400);
}

.search-input:focus {
    outline: none;
}

.search-btn {
    padding: 0.625rem 1.125rem;
    background: var(--gradient-1);
    color: var(--white);
    font-size: 1rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    border-radius: 0 var(--radius-xl) var(--radius-xl) 0;
}

.search-btn:hover {
    opacity: 0.9;
}

.nav-right {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.35rem;
    flex-shrink: 0;
}

.header-location-select {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    flex: 0 0 148px;
    min-width: 0;
    margin-right: 0.15rem;
    padding: 0.28rem 0.42rem;
    border: 1px solid rgba(109, 40, 217, 0.16);
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.58);
    backdrop-filter: blur(14px) saturate(150%);
    -webkit-backdrop-filter: blur(14px) saturate(150%);
    color: var(--gray-700);
    font-size: 0.68rem;
    font-weight: 600;
    width: 148px;
    max-width: 148px;
    min-height: 2.15rem;
    box-sizing: border-box;
    overflow: visible;
    white-space: nowrap;
    z-index: 30;
}

.nav-icon-item { position: relative; }
.account-popover {
    position: absolute;
    top: calc(100% + .7rem);
    right: 0;
    z-index: 2500;
    width: 220px;
    padding: .45rem;
    border: 1px solid rgba(109, 40, 217, .16);
    border-radius: .85rem;
    background: rgba(255, 255, 255, .98);
    box-shadow: 0 18px 42px rgba(35, 18, 66, .2);
}
.account-popover-header { padding: .65rem .7rem; border-bottom: 1px solid var(--gray-100); }
.account-popover-header strong, .account-popover-header small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.account-popover-header small { margin-top: .15rem; color: var(--gray-500); font-size: .72rem; }
.account-popover a, .account-popover button {
    display: flex; align-items: center; gap: .6rem; width: 100%; padding: .65rem .7rem;
    border-radius: .55rem; color: var(--gray-700); font-size: .78rem; text-align: left;
}
.account-popover a:hover, .account-popover button:hover { background: var(--primary-50); color: var(--primary-dark); }
.account-popover i { width: 1rem; color: var(--primary); }

.header-location-select i {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.45rem;
    height: 1.45rem;
    margin: 0;
    border-radius: 50%;
    background: rgba(109, 40, 217, 0.12);
    color: var(--primary);
    flex: 0 0 auto;
    text-align: center;
    font-size: 0.68rem;
}

.header-location-select select {
    border: 0;
    outline: 0;
    background: transparent;
    color: inherit;
    font: inherit;
    width: 100%;
    max-width: none;
    min-width: 0;
    cursor: pointer;
}

.header-location-select .cs-select {
    flex: 1 1 auto !important;
    display: flex;
    align-items: center;
    width: auto !important;
    min-width: 0 !important;
    max-width: none !important;
}

.header-location-select .cs-trigger {
    width: 100%;
    min-width: 0;
    max-width: none;
    height: 1.45rem;
    min-height: 0;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
    justify-content: space-between;
    gap: 0.22rem;
    color: var(--gray-700);
    font-size: 0.68rem;
    line-height: 1;
}

.header-location-select .cs-trigger-label {
    flex: 0 1 auto;
    min-width: 0;
    max-width: calc(100% - 1rem);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.header-location-select .cs-arrow {
    flex: 0 0 auto;
    margin-left: auto;
    color: var(--primary);
}

.header-location-select .cs-arrow svg {
    width: 9px;
    height: 6px;
}

.header-location-select .cs-trigger:hover,
.header-location-select .cs-select.is-open .cs-trigger {
    background: transparent;
    box-shadow: none;
}

.nav-icons {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-icon-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.15rem;
    cursor: pointer;
    position: relative;
    padding: 0.4rem 0.625rem;
    border-radius: var(--radius-md);
    transition: var(--transition);
    border: none;
    background: none;
    font-family: inherit;
}

.nav-icon-item:hover {
    background: var(--gray-100);
}

.nav-icon-item:hover i {
    color: var(--primary);
}

.nav-icon-item i {
    font-size: 1.25rem;
    color: var(--gray-600);
    transition: var(--transition);
}

.icon-label {
    font-size: 0.68rem;
    font-weight: 500;
    color: var(--gray-500);
    transition: var(--transition);
}

.nav-icon-item:hover .icon-label {
    color: var(--primary);
}

.cart-count,
.wishlist-count {
    position: absolute;
    top: 0;
    right: 0.1rem;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-2);
    color: var(--white);
    font-size: 0.65rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    box-shadow: 0 1px 6px rgba(244, 63, 94, 0.4);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.375rem;
    color: var(--gray-700);
    cursor: pointer;
    padding: 0.4rem;
    transition: var(--transition);
}

.mobile-menu-btn:hover {
    background: var(--gray-100);
    border-radius: var(--radius-md);
}

/* Category nav */
.category-nav {
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
    border-top: 1px solid rgba(255,255,255,0.05);
}

.category-nav-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    gap: 0;
    overflow-x: auto;
    scrollbar-width: none;
}

.category-nav-container::-webkit-scrollbar {
    display: none;
}

.category-link {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.75rem 1rem;
    color: rgba(255,255,255,0.75);
    font-size: 0.82rem;
    font-weight: 500;
    white-space: nowrap;
    transition: var(--transition);
    position: relative;
}

.category-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0.5rem;
    right: 0.5rem;
    height: 2px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transition: transform 0.25s var(--ease-out-expo);
    border-radius: 2px;
}

.category-link:hover {
    color: var(--white);
    background: rgba(255,255,255,0.06);
}

.category-link:hover::after {
    transform: scaleX(1);
}

.category-link.active {
    color: var(--white);
    background: rgba(255,255,255,0.08);
}

.category-link.active::after {
    transform: scaleX(1);
}

.category-link i {
    font-size: 0.9rem;
}

.seller-link {
    color: #fcd34d;
    margin-left: auto;
}

.seller-link::after {
    background: var(--gradient-5);
}

.seller-link:hover {
    color: var(--white);
}

/* Mobile menu */
.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(3px);
    z-index: 1999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 240px;
    height: 100vh;
    background: var(--white);
    z-index: 2000;
    transition: left 0.35s var(--ease-out-expo);
    overflow-y: auto;
    box-shadow: var(--shadow-2xl);
}

.mobile-menu.active {
    left: 0;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--gradient-1);
    color: var(--white);
}

.mobile-user-greeting {
    font-weight: 600;
    font-size: 0.875rem;
}

.mobile-menu-close {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    font-size: 0.75rem;
    line-height: 1;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    padding: 0;
}

.mobile-menu-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

.mobile-menu-content {
    padding: 1rem 0;
}

.mobile-menu-section {
    padding: 0 1rem;
    margin-bottom: 1.25rem;
}

.mobile-menu-section h3 {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.625rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--gray-100);
}

.mobile-menu-section a {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 0.75rem 0.875rem;
    color: var(--gray-700);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: var(--transition);
    margin-bottom: 0.125rem;
    text-decoration: none;
    font-size: 0.9rem;
}

.mobile-menu-section a:hover {
    background: var(--primary-50);
    color: var(--primary);
}

.mobile-menu-section a i {
    width: 20px;
    text-align: center;
    font-size: 1rem;
    color: var(--gray-400);
    transition: var(--transition);
}

.mobile-menu-section a:hover i {
    color: var(--primary);
}

/* Region switcher modal */
.region-modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    z-index: 3000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    padding: 1rem;
}

.region-modal.active {
    opacity: 1;
    visibility: visible;
}

.region-modal-content {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 2rem;
    max-width: 400px;
    width: 100%;
    box-shadow: var(--shadow-2xl);
    animation: slideUp 0.3s var(--ease-out-expo);
}

.region-modal-content h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--gray-900);
}

.region-modal-content p {
    color: var(--gray-500);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.region-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.875rem;
}

.region-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.625rem;
    padding: 1.25rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: var(--transition);
    background: var(--white);
    font-family: inherit;
}

.region-option:hover,
.region-option.active {
    border-color: var(--primary);
    background: var(--primary-50);
}

.region-option .flag {
    font-size: 2.5rem;
    line-height: 1;
}

.region-option .country {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--gray-800);
}

.region-option .currency {
    font-size: 0.75rem;
    color: var(--gray-500);
}

@media (max-width: 1200px) {
    .nav-container {
        padding: 0.625rem 1.25rem;
        gap: 0.75rem;
    }
}

@media (max-width: 1024px) {
    .nav-container {
        gap: 0.75rem;
    }
    .category-select {
        display: none;
    }
    .icon-label {
        display: none;
    }
    .nav-icon-item {
        padding: 0.4rem;
    }
}

@media (max-width: 768px) {
    .header-location-select {
        flex-basis: 132px;
        width: 132px;
        max-width: 132px;
        padding: 0.25rem 0.38rem;
        margin-right: 0;
    }

    .header-location-select .cs-trigger {
        display: flex;
        min-width: 0;
        font-size: 0.68rem;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .nav-center {
        position: static;
        order: 3;
        flex: 0 0 100%;
        width: 100%;
        max-width: none;
        padding: 0.5rem 0;
        background: var(--white);
        border-top: 1px solid var(--gray-100);
        box-shadow: none;
    }

    .nav-container {
        flex-wrap: wrap;
        padding: 0.5rem 0.875rem;
        gap: 0.4rem;
    }

    .logo {
        font-size: clamp(1.05rem, 5vw, 1.25rem);
    }

    .logo-icon {
        width: 32px;
        height: 32px;
    }

    .nav-icons {
        gap: 0.125rem;
    }

    .nav-icon-item:not(#cartBtn):not(#accountBtn) {
        display: none;
    }

    #cartBtn,
    #accountBtn {
        display: flex;
    }

    .category-nav {
        display: none;
    }

    .search-container {
        border-radius: var(--radius-lg);
    }

    .search-container .cs-select {
        min-width: 104px;
        flex-basis: 104px;
    }

    .search-container .cs-trigger {
        padding: 0.55rem 0.65rem;
        font-size: 0.76rem;
    }

    .region-badge span {
        display: inline;
    }

    .region-badge {
        max-width: 86px;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .nav-left {
        min-width: 0;
    }

    .nav-right {
        gap: 0.15rem;
        min-width: 0;
    }
}

@media (max-width: 640px) {
    .region-badge {
        width: 30px;
        max-width: 30px;
        padding-left: 0.35rem;
        padding-right: 0.35rem;
    }

    .region-badge #regionName {
        display: none;
    }
}

@media (max-width: 420px) {
    .logo {
        gap: 0.3rem;
        font-size: 0.98rem;
    }

    .logo-icon {
        width: 29px;
        height: 29px;
    }

    .header-location-select {
        flex-basis: 118px;
        width: 118px;
        max-width: 118px;
    }

    .header-location-select .cs-trigger {
        font-size: 0.66rem;
    }

    .region-badge {
        width: 28px;
        max-width: 28px;
        padding-left: 0.35rem;
        padding-right: 0.35rem;
    }

    .region-badge #regionFlag {
        display: inline;
    }

    .region-badge #regionName {
        display: none;
    }

    .nav-icon-item {
        padding: 0.25rem;
    }
}

/* ── Mobile Bottom Navigation ───────────────────── */
.mobile-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--white);
    border-top: 1px solid var(--gray-200);
    box-shadow: 0 -4px 20px rgba(0,0,0,0.08);
    padding-bottom: env(safe-area-inset-bottom);
}

.bottom-nav-items {
    display: flex;
    align-items: center;
    justify-content: space-around;
    padding: 0.375rem 0;
}

.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.2rem;
    padding: 0.3rem 0.75rem;
    color: var(--gray-500);
    font-size: 0.65rem;
    font-weight: 500;
    background: none;
    border: none;
    cursor: pointer;
    text-decoration: none;
    border-radius: var(--radius);
    transition: color 0.2s, transform 0.2s ease, font-size 0.2s ease;
    position: relative;
    min-width: 48px;
}

.bottom-nav-item i {
    font-size: 1.1rem;
}

.bottom-nav-item.active {
    color: var(--primary);
    transform: scale(1.12);
    z-index: 1;
}

.bottom-nav-item:hover {
    color: var(--primary);
}

.bottom-cart-badge {
    position: absolute;
    top: 2px;
    right: 8px;
    background: var(--secondary);
    color: white;
    font-size: 0.55rem;
    font-weight: 700;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (max-width: 768px) {
    .mobile-bottom-nav {
        display: block;
    }

    body {
        padding-bottom: calc(64px + env(safe-area-inset-bottom, 0px));
    }

    .bottom-nav-item {
        min-height: 54px;
    }
}