/* Header Styles - Apple-inspired design */
.header {
    background-color: var(--background-primary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background-color: rgba(255, 255, 255, 0.95);
}

@media (prefers-color-scheme: dark) {
    .header {
        background-color: rgba(0, 0, 0, 0.95);
    }
}

.header-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

/* Logo Section */
.logo-section {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-primary);
    transition: opacity var(--transition-fast);
}

.logo-link:hover {
    opacity: 0.8;
}

.logo {
    width: 200px;
    margin-right: var(--spacing-sm);
    border-radius: var(--border-radius-small);
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Navigation */
.main-nav {
    display: flex;
    align-items: center;
    flex: 1;
    justify-content: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-small);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background-color: var(--background-secondary);
}

/* Dropdown Menu */
.nav-dropdown {
    position: relative;
}

.dropdown-toggle::after {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    margin-left: var(--spacing-xs);
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid currentColor;
    transition: transform var(--transition-fast);
}

.nav-dropdown:hover .dropdown-toggle::after {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--background-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: 0 8px 24px var(--shadow-medium);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-medium);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

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

.dropdown-menu li {
    list-style: none;
}

.dropdown-menu a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-primary);
    text-decoration: none;
    transition: background-color var(--transition-fast);
}

.dropdown-menu a:hover {
    background-color: var(--background-secondary);
    color: var(--primary-color);
}

/* Search Section */
.search-section {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.search-form {
    position: relative;
}

.search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.search-input {
    width: 280px;
    padding: var(--spacing-sm) var(--spacing-xl) var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    background-color: var(--background-secondary);
    color: var(--text-primary);
    font-size: 14px;
    transition: all var(--transition-fast);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: var(--background-primary);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

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

.search-button {
    position: absolute;
    right: var(--spacing-xs);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: 50%;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-button:hover {
    color: var(--primary-color);
    background-color: var(--background-secondary);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 24px;
    height: 24px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.mobile-menu-toggle span {
    display: block;
    height: 2px;
    width: 100%;
    background-color: var(--text-primary);
    border-radius: 1px;
    transition: all var(--transition-fast);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Responsive Design */
@media (max-width: 768px) {
    .header-container {
        padding: 0 var(--spacing-md);
        height: 56px;
    }

    .main-nav {
        position: fixed;
        top: 56px;
        left: 0;
        right: 0;
        background-color: var(--background-primary);
        border-bottom: 1px solid var(--border-color);
        flex-direction: column;
        justify-content: flex-start;
        padding: var(--spacing-lg) 0;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-medium);
        z-index: 99;
        box-shadow: 0 4px 12px var(--shadow-medium);
    }

    .main-nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-list {
        flex-direction: column;
        gap: 0;
        width: 100%;
        display: none;
    }

    .nav-list li {
        width: 100%;
    }

    .nav-link {
        display: block;
        padding: var(--spacing-md) var(--spacing-lg);
        border-radius: 0;
        border-bottom: 1px solid var(--border-color);
        width: 100%;
    }

    .nav-link:last-child {
        border-bottom: none;
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        border-radius: 0;
        background-color: var(--background-secondary);
        margin-top: 0;
        padding: 0;
    }

    .dropdown-menu a {
        padding: var(--spacing-sm) var(--spacing-xl);
        font-size: 14px;
        color: var(--text-secondary);
    }

    .mobile-menu-toggle {
        display: none;
    }

    .search-section {
        order: -1;
        margin-right: var(--spacing-md);
    }

    .search-input {
        width: 200px;
        font-size: 14px;
    }

    .logo-text {
        font-size: 1.125rem;
    }

    .header-container {
        padding: var(--spacing-sm) 0;
        height: auto;
        gap: 12px;
        flex-direction: column-reverse;
    }
}

@media (max-width: 480px) {

    .search-input {
        width: 100%;
        padding: var(--spacing-xs) var(--spacing-lg) var(--spacing-xs) var(--spacing-sm);
    }

    .logo-text {
        font-size: 1rem;
    }

    .search-section {
        margin-right: var(--spacing-sm);
    }
}

/* Breadcrumb Styles */
.breadcrumb-section {
    background-color: var(--background-primary);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-sm) 0;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 14px;
}

.breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.breadcrumb-separator {
    color: var(--text-secondary);
    margin: 0 var(--spacing-xs);
}

.breadcrumb-current {
    color: var(--text-secondary);
}

/* Search suggestions dropdown */
.search-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--background-primary);
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    box-shadow: 0 4px 12px var(--shadow-medium);
    max-height: 300px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
}

.search-suggestions.active {
    display: block;
}

.search-suggestion {
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    transition: background-color var(--transition-fast);
    border-bottom: 1px solid var(--border-color);
}

.search-suggestion:last-child {
    border-bottom: none;
}

.search-suggestion:hover,
.search-suggestion.highlighted {
    background-color: var(--background-secondary);
}

.search-suggestion-text {
    font-size: 14px;
    color: var(--text-primary);
}

.search-suggestion-category {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 2px;
}