/* Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background-color: var(--white);
    box-shadow: var(--shadow);
}

/* Main Header Container */
.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    gap: 12px;
    max-width: 1200px;
    margin: 0 auto;
}

.navbar {
    background-color: var(--white);
    border-bottom: 1px solid var(--border-color);
    width: 100%;
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    gap: 12px;
    max-width: 1200px;
    margin: 0 auto;
}

.navbar-left,
.navbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.navbar-center {
    flex: 1;
    display: flex;
    justify-content: center;
}

.logo {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: 1px;
    color: var(--primary-navy);
    text-decoration: none;
}

.header-left {
    flex-shrink: 0;
}

.header-center {
    flex-shrink: 0;
}

.header-logo {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: 1px;
    color: var(--primary-navy);
    text-decoration: none;
    display: block;
}

/* Search Bar */
.header-search {
    flex: 1;
    max-width: 400px;
    display: flex;
    align-items: center;
    background-color: var(--white);
    border-radius: 24px;
    padding: 6px 12px;
    border: 1px solid var(--border-color);
}

.header-search-input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    font-size: 13px;
    color: var(--text-dark);
    padding: 6px;
}

.header-search-input::placeholder {
    color: var(--text-light);
}

.header-search-btn {
    background: var(--primary-navy);
    border: none;
    cursor: pointer;
    color: var(--white);
    padding: 8px 12px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.header-search-btn:hover {
    background: var(--secondary-navy);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

/* Navigation Menu */
.header-menu {
    background-color: var(--white);
    border-bottom: 1px solid var(--border-color);
    padding: 0;
}

.nav-menu {
    display: flex;
    justify-content: center;
    gap: 28px;
    padding: 12px 16px;
    max-width: 1200px;
    margin: 0 auto;
    overflow-x: auto;
}

.nav-menu::-webkit-scrollbar {
    height: 4px;
}

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

.nav-menu::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 2px;
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: color 0.2s ease;
    white-space: nowrap;
    padding-bottom: 8px;
    border-bottom: 2px solid transparent;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-navy);
    border-bottom-color: var(--primary-navy);
}

/* Hamburger Menu */
.hamburger {
    display: flex;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    gap: 4px;
    z-index: 110;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background-color: var(--text-dark);
    transition: var(--transition);
    border-radius: 1px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Icon Buttons */
.back-btn,
.icon-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: var(--text-dark);
    transition: var(--transition);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
}

.back-btn:hover,
.icon-btn:hover {
    background-color: rgba(26, 43, 74, 0.08);
}

.back-btn {
    border: 1px solid transparent;
}

.icon-btn:hover {
    transform: scale(1.1);
    color: var(--primary-navy);
}

.icon-btn svg {
    width: 22px;
    height: 22px;
}

.cart-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background-color: #E74C3C;
    color: var(--white);
    font-size: 10px;
    font-weight: 700;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--white);
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0;
    left: -280px;
    width: 280px;
    height: 100vh;
    background-color: var(--white);
    border-right: 1px solid var(--border-color);
    z-index: 101;
    transition: left 0.3s ease;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.sidebar.active {
    left: 0;
    box-shadow: var(--shadow-lg);
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
}

.close-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 24px;
    color: var(--text-dark);
    padding: 4px 8px;
    transition: var(--transition);
}

.close-btn:hover {
    transform: scale(1.2);
}

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: 16px 0;
}

.category-section {
    border-bottom: 1px solid var(--border-color);
}

.category-title {
    padding: 12px 16px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
    background-color: #fafafa;
    border: none;
    width: 100%;
    text-align: left;
}

.category-title:hover {
    background-color: var(--secondary-beige);
}

.expand-icon {
    transition: transform 0.3s ease;
}

.category-title.active .expand-icon {
    transform: rotate(90deg);
}

.category-submenu {
    display: none;
    padding: 0 16px;
    animation: slideIn 0.3s ease;
}

.category-submenu.active {
    display: block;
}

@keyframes slideIn {
    from {
        opacity: 0;
        max-height: 0;
    }
    to {
        opacity: 1;
        max-height: 500px;
    }
}

.category-submenu a {
    display: block;
    padding: 8px 16px;
    color: var(--text-light);
    text-decoration: none;
    font-size: 13px;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.category-submenu a:hover {
    color: var(--primary-navy);
    border-left-color: var(--secondary-beige);
    background-color: #f9f9f9;
    padding-left: 20px;
}

.sidebar-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 16px 0;
}

.sidebar-link {
    display: block;
    padding: 12px 16px;
    color: var(--text-dark);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.sidebar-link:hover {
    background-color: var(--secondary-beige);
    border-left-color: var(--primary-navy);
    padding-left: 20px;
}

.sidebar-category-group {
    border-bottom: 1px solid var(--border-color);
}

.sidebar-subcategories {
    display: none;
    background-color: #f9f9f9;
}

.sidebar-category-group:hover .sidebar-subcategories {
    display: block;
}

.sidebar-sublink {
    display: block;
    padding: 8px 16px 8px 32px;
    color: var(--text-light);
    text-decoration: none;
    font-size: 13px;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.sidebar-sublink:hover {
    color: var(--primary-navy);
    border-left-color: var(--secondary-beige);
    padding-left: 36px;
    background-color: #f0f0f0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-search {
        max-width: 200px;
    }

    .header-search-input {
        font-size: 12px;
    }

    .nav-menu {
        gap: 16px;
        padding: 10px 12px;
    }

    .nav-link {
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .header-container {
        padding: 10px 12px;
        gap: 8px;
    }

    .header-logo {
        font-size: 18px;
    }

    .header-search {
        max-width: 150px;
        padding: 4px 8px;
    }

    .header-search-input {
        font-size: 11px;
        padding: 4px;
    }

    .icon-btn svg {
        width: 20px;
        height: 20px;
    }

    .nav-menu {
        gap: 12px;
        padding: 8px;
    }

    .nav-link {
        font-size: 11px;
    }
}


/* Mobile Bottom Navigation */
.bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background-color: var(--white);
    border-top: 1px solid var(--border-color);
    z-index: 50;
    justify-content: space-around;
    align-items: center;
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.1);
}

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

.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    color: var(--text-light);
    text-decoration: none;
    font-size: 11px;
    flex: 1;
    height: 100%;
    transition: var(--transition);
}

.bottom-nav-item:hover,
.bottom-nav-item.active {
    color: var(--secondary-navy);
    background-color: rgba(232, 220, 196, 0.3);
}

.bottom-nav-item svg {
    width: 24px;
    height: 24px;
}

/* Overlay for sidebar */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: none;
    z-index: 49;
    animation: fadeIn 0.3s ease;
}

.overlay.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Responsive */
@media (max-width: 768px) {
    .navbar-container {
        padding: 0 12px;
    }

    .logo {
        font-size: 20px;
    }
}