/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(15, 25, 35, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: background var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(15, 25, 35, 0.98);
    box-shadow: var(--shadow-md);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--text-primary);
    flex-shrink: 0;
}

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

.nav-logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-orange));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.nav-logo-text {
    background: linear-gradient(135deg, var(--primary-blue-light), var(--accent-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-logo-domain {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    font-weight: 400;
    margin-left: -4px;
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px 14px;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: rgba(255,255,255,0.05);
}

.nav-link .arrow {
    font-size: 10px;
    transition: transform var(--transition-fast);
}

.nav-item:hover .nav-link .arrow {
    transform: rotate(180deg);
}

/* Dropdown Menu */
.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-sm);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-lg);
    z-index: 100;
}

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

.nav-dropdown a {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 8px 12px;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.nav-dropdown a:hover {
    background: rgba(26,115,232,0.1);
    color: var(--primary-blue-light);
}

.nav-dropdown .cat-icon {
    width: 20px;
    text-align: center;
    color: var(--accent-orange);
}

.nav-dropdown .cat-count {
    margin-left: auto;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

/* Search */
.nav-search {
    position: relative;
    flex-shrink: 0;
}

.nav-search-input {
    width: 200px;
    padding: 8px 12px 8px 36px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    transition: all var(--transition-normal);
}

.nav-search-input:focus {
    width: 280px;
    border-color: var(--primary-blue);
    background: var(--bg-secondary);
}

.nav-search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 14px;
    pointer-events: none;
}

.nav-search-results {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    max-height: 400px;
    overflow-y: auto;
    display: none;
    box-shadow: var(--shadow-lg);
    z-index: 200;
}

.nav-search-results.active {
    display: block;
}

.search-result-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    transition: background var(--transition-fast);
    cursor: pointer;
}

.search-result-item:hover {
    background: rgba(26,115,232,0.1);
}

.search-result-thumb {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    flex-shrink: 0;
}

.search-result-info {
    flex: 1;
    min-width: 0;
}

.search-result-title {
    font-size: var(--font-size-sm);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-result-cat {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

/* Language Switcher */
.nav-lang {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.nav-lang:hover {
    background: rgba(255,255,255,0.05);
    color: var(--text-primary);
}

/* Mobile Menu Button */
.nav-mobile-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    cursor: pointer;
}

.nav-mobile-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

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

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

.nav-mobile-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu Overlay */
.nav-mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    top: var(--nav-height);
    background: var(--bg-primary);
    z-index: 999;
    overflow-y: auto;
    padding: var(--space-lg);
}

.nav-mobile-overlay.active {
    display: block;
    animation: fadeIn 0.2s ease;
}

.nav-mobile-menu a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    border-bottom: 1px solid var(--border-color);
}

.nav-mobile-menu a:hover {
    color: var(--primary-blue-light);
}

.mobile-sub-menu {
    display: none;
    padding-left: var(--space-lg);
}

.mobile-sub-menu.active {
    display: block;
}

.mobile-sub-menu a {
    font-size: var(--font-size-md);
    padding: 10px 0;
}

.mobile-search {
    margin-bottom: var(--space-lg);
}

.mobile-search input {
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: var(--font-size-md);
}

/* ===== Responsive Nav ===== */
@media (max-width: 992px) {
    .nav-menu {
        display: none;
    }

    .nav-search {
        display: none;
    }

    .nav-lang {
        display: none;
    }

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

@media (max-width: 576px) {
    .nav-logo-domain {
        display: none;
    }
}