/* Professional Category Navigation - Fixed Layout */
.category-navigation {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-light);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: var(--header-height, 80px);
    z-index: 100;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.category-nav-container {
    width: 100%;
    margin: 0;
    padding: 0;
    position: relative;
}

.category-navigation .category-nav-content {
    display: flex;
    align-items: center;
    height: 64px;
    gap: 0.5rem;
    padding: 0 0.5rem;
}

/* Main Navigation Links */
.category-nav-links {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-right: auto;
    margin-left: 0.5rem; /* Add padding from left edge */
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

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

.category-nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0.75rem;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    white-space: nowrap;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    min-height: 44px;
}

.category-nav-link:hover {
    color: var(--text-primary);
}

.category-nav-link.active {
    color: var(--accent-primary);
    font-weight: 600;
}

/* Category Icons */
.category-nav-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    transition: all 0.25s ease;
    font-size: 12px;
    position: relative;
    flex-shrink: 0;
}

.category-nav-link:hover .category-nav-icon {
    background: var(--bg-card);
    border-color: var(--border-hover);
    transform: scale(1.05);
}

.category-nav-link.active .category-nav-icon {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(139, 92, 246, 0.15) 100%);
    border-color: rgba(99, 102, 241, 0.3);
    color: var(--accent-primary);
}

/* Category Labels */
.category-nav-label {
    font-family: var(--font-secondary);
    letter-spacing: -0.01em;
    position: relative;
}

/* Search Integration */
.category-nav-search {
    display: flex;
    align-items: center;
    position: relative;
    flex-shrink: 0;
    margin-left: auto;
    margin-right: 0.5rem; /* Add padding from right edge */
}

.category-nav-search-input {
    width: 280px;
    height: 44px;
    padding: 0 3rem 0 2.75rem;
    border: 1px solid var(--border-light);
    border-radius: 12px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: all 0.25s ease;
    outline: none;
    font-family: var(--font-secondary);
}

.category-nav-search-input::placeholder {
    color: var(--text-tertiary);
}

.category-nav-search-input:focus {
    border-color: var(--accent-primary);
    background: var(--bg-card);
    box-shadow:
        0 0 0 3px rgba(99, 102, 241, 0.1),
        0 4px 12px rgba(0, 0, 0, 0.1);
}

.category-nav-search-icon {
    position: absolute;
    left: 1rem;
    color: var(--text-tertiary);
    font-size: 16px;
    pointer-events: none;
}

.category-nav-search-clear {
    position: absolute;
    right: 1rem;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 4px;
    transition: all 0.2s ease;
    opacity: 0;
    transform: scale(0.8);
}

.category-nav-search-input:not(:placeholder-shown) + .category-nav-search-clear {
    opacity: 1;
    transform: scale(1);
}

.category-nav-search-clear:hover {
    color: var(--text-secondary);
    background: var(--bg-secondary);
}

/* Mobile Toggle */
.category-nav-mobile-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--border-light);
    border-radius: 12px;
    background: var(--bg-primary);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.25s ease;
}

.category-nav-mobile-toggle:hover {
    background: var(--bg-card);
    border-color: var(--border-hover);
}

/* Mobile Dropdown */
.category-nav-mobile-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-top: none;
    border-radius: 0 0 16px 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 1000;
}

.category-nav-mobile-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.category-nav-mobile-links {
    display: flex;
    flex-direction: column;
    padding: 1rem;
    gap: 0.5rem;
}

.category-nav-mobile-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: all 0.25s ease;
    border: 1px solid transparent;
}

.category-nav-mobile-link:hover {
    background: var(--bg-primary);
    color: var(--text-primary);
    border-color: var(--border-light);
}

.category-nav-mobile-link.active {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.12) 0%, rgba(139, 92, 246, 0.12) 100%);
    color: var(--accent-primary);
    border-color: rgba(99, 102, 241, 0.2);
    font-weight: 600;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .category-nav-search-input {
        width: 240px;
    }
}

@media (max-width: 768px) {
    .category-nav-container {
        padding: 0 1rem;
    }

    .category-nav-links {
        display: none;
    }

    .category-nav-mobile-toggle {
        display: flex;
        margin-right: auto;
    }

    .category-nav-search {
        margin-left: 0;
    }

    .category-nav-search-input {
        width: 200px;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .category-nav-content {
        height: 56px;
        gap: 1rem;
    }

    .category-nav-search {
        flex: 1;
    }

    .category-nav-search-input {
        width: 100%;
        height: 40px;
        padding: 0 2.5rem 0 2.25rem;
        font-size: 0.85rem;
    }

    .category-nav-mobile-toggle {
        width: 40px;
        height: 40px;
    }
}

/* Enhanced Active States */
.category-nav-link.active {
    position: relative;
}

.category-nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 70%;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    border-radius: 1px;
}

/* Smooth Scrolling for Navigation */
.category-nav-links {
    scroll-behavior: smooth;
}

/* Focus States for Accessibility */
.category-nav-link:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

.category-nav-search-input:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .category-nav-link {
        border-width: 2px;
    }

    .category-nav-link.active {
        border-width: 2px;
        border-color: var(--accent-primary);
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    .category-nav-link,
    .category-nav-icon,
    .category-nav-search-input,
    .category-nav-mobile-dropdown {
        transition: none;
    }
}