/* Site Header - Cyber Terminal */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-header);
    background: rgba(3, 3, 6, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    height: var(--header-height);
    transition: all var(--transition-base);
}

.site-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 136, 0.4), transparent);
}

.site-header.scrolled {
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
}

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

/* Logo - Hacker */
.site-logo {
    display: flex;
    align-items: center;
    gap: var(--gap-sm);
    flex-shrink: 0;
}

.site-logo img {
    height: 32px;
    width: auto;
    filter: drop-shadow(0 0 6px rgba(0, 255, 136, 0.5));
}

.site-logo .logo-text {
    font-size: var(--fs-md);
    font-weight: var(--fw-bold);
    color: var(--text-primary);
    letter-spacing: 0.5px;
    font-family: var(--font-mono);
}

.site-logo .logo-text span {
    color: var(--neon-green);
}

.site-logo:hover { text-decoration: none; }

/* Main Nav - Terminal Menu */
.main-nav {
    display: none;
    align-items: center;
    gap: var(--gap-xs);
}

.main-nav .menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--gap-xs);
}

.main-nav .menu-item a {
    display: flex;
    align-items: center;
    gap: var(--gap-xs);
    padding: 6px 12px;
    color: var(--text-secondary);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.main-nav .menu-item a:hover,
.main-nav .menu-item.current-menu-item a {
    color: var(--neon-green);
    background: rgba(0, 255, 136, 0.06);
}

/* Dropdown - Cyber */
.main-nav .menu-item-has-children {
    position: relative;
}

.main-nav .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: rgba(10, 14, 20, 0.98);
    border: 1px solid var(--border);
    border-top: 2px solid var(--neon-green);
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    padding: var(--gap-sm);
    display: none;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6), 0 0 20px rgba(0, 255, 136, 0.1);
    z-index: 10;
    list-style: none;
}

.main-nav .menu-item-has-children:hover > .sub-menu {
    display: block;
}

.main-nav .sub-menu a {
    padding: 8px 12px;
    font-size: var(--fs-sm);
    border-radius: var(--radius-sm);
    text-transform: none;
    letter-spacing: 0;
}
.main-nav .sub-menu a::before { content: '> '; opacity: 1; margin-right: 0; color: var(--neon-green); }
.main-nav .sub-menu a::after { display: none; }

/* Header Search - Terminal */
.header-search {
    flex: 1;
    max-width: 480px;
    position: relative;
    display: none;
}

.header-search input {
    width: 100%;
    background: rgba(5, 5, 8, 0.8);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px 16px 8px 40px;
    color: var(--neon-green);
    font-size: var(--fs-sm);
    transition: all var(--transition-fast);
    font-family: var(--font-mono);
}

.header-search input:focus {
    border-color: var(--neon-green);
    background: rgba(5, 5, 8, 0.95);
}

.header-search .search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--neon-green);
    font-size: var(--fs-sm);
    pointer-events: none;
}

.header-search .search-shortcut {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 255, 136, 0.1);
    color: var(--neon-green);
    font-size: var(--fs-xs);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(0, 255, 136, 0.3);
    font-family: var(--font-mono);
}

/* Search Results Dropdown */
.search-results-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: rgba(10, 14, 20, 0.98);
    border: 1px solid var(--border);
    border-top: 2px solid var(--neon-green);
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    max-height: 400px;
    overflow-y: auto;
    display: none;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6), 0 0 20px rgba(0, 255, 136, 0.1);
    z-index: 10;
}

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

.search-result-item {
    display: flex;
    align-items: center;
    gap: var(--gap-sm);
    padding: var(--gap-sm) var(--gap-md);
    transition: all var(--transition-fast);
    border-left: 2px solid transparent;
}

.search-result-item:hover {
    background: rgba(0, 255, 136, 0.06);
    border-left-color: var(--neon-green);
}

.search-result-item img {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    border: 1px solid var(--border);
}

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

.search-result-item .result-title {
    font-size: var(--fs-sm);
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-result-item .result-price {
    font-size: var(--fs-sm);
    color: var(--neon-green);
    font-family: var(--font-mono);
    font-weight: var(--fw-semibold);
    text-shadow: 0 0 8px rgba(0, 255, 136, 0.3);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--gap-sm);
    flex-shrink: 0;
}

.header-actions .btn-search-mobile {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: none;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}
.header-actions .btn-search-mobile:hover {
    color: var(--neon-green);
    border-color: var(--neon-green);
}

.header-user-menu {
    position: relative;
}

.header-user-btn {
    display: flex;
    align-items: center;
    gap: var(--gap-sm);
    padding: 4px 12px 4px 4px;
    background: rgba(0, 255, 136, 0.05);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}
.header-user-btn:hover {
    border-color: var(--neon-green);
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.15);
}

.header-user-btn img {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    border: 1px solid var(--neon-green);
}

.header-user-btn .user-name {
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    display: none;
    font-family: var(--font-mono);
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 200px;
    background: rgba(10, 14, 20, 0.98);
    border: 1px solid var(--border);
    border-top: 2px solid var(--neon-green);
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    padding: var(--gap-sm);
    display: none;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6), 0 0 15px rgba(0, 255, 136, 0.1);
}

.user-dropdown.active { display: block; }

.user-dropdown a {
    display: flex;
    align-items: center;
    gap: var(--gap-sm);
    padding: 8px 12px;
    color: var(--text-secondary);
    font-size: var(--fs-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    border-left: 2px solid transparent;
}
.user-dropdown a:hover {
    background: rgba(0, 255, 136, 0.06);
    color: var(--neon-green);
    border-left-color: var(--neon-green);
}

.user-dropdown .dropdown-divider {
    height: 1px;
    background: var(--border);
    margin: var(--gap-xs) 0;
}

.user-dropdown .logout-link { color: var(--danger); }
.user-dropdown .logout-link:hover {
    background: rgba(255, 51, 85, 0.1);
    border-left-color: var(--danger);
    color: var(--danger);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: none;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}
.mobile-menu-toggle:hover {
    color: var(--neon-green);
    border-color: var(--neon-green);
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.2);
}

/* Mobile Menu - Terminal */
.mobile-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(5, 5, 8, 0.98);
    z-index: var(--z-overlay);
    transform: translateX(-100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
    padding: var(--gap-md);
    border-right: 1px solid var(--neon-green);
}

.mobile-menu.active { transform: translateX(0); }

.mobile-menu .menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-menu .menu-item a {
    display: block;
    padding: 12px var(--gap-md);
    color: var(--text-secondary);
    font-size: var(--fs-md);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    border-left: 2px solid transparent;
    font-family: var(--font-mono);
}
.mobile-menu .menu-item a::before {
    content: '> ';
    color: var(--neon-green);
    opacity: 0;
    transition: opacity var(--transition-fast);
}
.mobile-menu .menu-item a:hover {
    background: rgba(0, 255, 136, 0.06);
    color: var(--neon-green);
    border-left-color: var(--neon-green);
}
.mobile-menu .menu-item a:hover::before { opacity: 1; }

.mobile-menu .sub-menu {
    list-style: none;
    padding-left: var(--gap-md);
}

.mobile-search {
    margin-bottom: var(--gap-md);
}

.mobile-search input {
    width: 100%;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    color: var(--neon-green);
    font-size: var(--fs-base);
    font-family: var(--font-mono);
}
.mobile-search input:focus {
    border-color: var(--neon-green);
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.2);
}

/* Mobile Search Bar */
.mobile-search-bar {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: var(--gap-sm) 0;
    z-index: var(--z-header);
    display: none;
}

.mobile-search-bar.active {
    display: block;
}

.mobile-search-bar input {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    color: var(--neon-green);
    font-size: var(--fs-sm);
    font-family: var(--font-mono);
}

.mobile-search-bar input:focus {
    border-color: var(--neon-green);
    outline: none;
}

/* Responsive */
@media (min-width: 768px) {
    .header-search { display: block; }
    .header-actions .btn-search-mobile { display: none; }
    .mobile-search-bar { display: none !important; }
    .header-user-btn .user-name { display: block; }
}

@media (min-width: 1024px) {
    .main-nav { display: flex; }
    .mobile-menu-toggle { display: none; }
    .header-inner { padding: 0 var(--gap-lg); }
}