/* Dark Premium Header Styles */

.dark-premium-header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    background: rgba(10, 10, 10, 0.95);
    position: relative;
    overflow: hidden;
}

.header-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.header-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    animation: glow-pulse 2s ease-in-out infinite;
}

@keyframes glow-pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

/* 로고 섹션 */
.logo-section {
    flex-shrink: 0;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    position: relative;
}

.logo-img {
    height: 45px;
    width: auto;
    object-fit: contain;
    filter: brightness(1.2);
}

/* 네비게이션 */
.main-navigation {
    flex: 1;
    display: flex;
    justify-content: center;
}

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

.nav-item {
    position: relative;
}

.nav-link {
    display: block;
    padding: var(--spacing-sm) 0;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
}

.nav-link:hover {
    color: var(--primary-color);
    text-shadow: 0 0 10px var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: width 0.3s ease;
    box-shadow: 0 0 5px var(--primary-color);
}

.nav-link:hover::after {
    width: 100%;
}

/* 서브메뉴 */
.sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-glow);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    list-style: none;
    margin: 0;
    padding: var(--spacing-sm) 0;
    z-index: 1001;
    backdrop-filter: blur(10px);
}

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

.sub-link {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.875rem;
}

.sub-link:hover {
    background: var(--bg-glass);
    color: var(--primary-color);
    text-shadow: 0 0 5px var(--primary-color);
}

/* 헤더 액션 */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* 검색 섹션 */
.search-section {
    position: relative;
}

.search-btn {
    background: var(--bg-glass);
    border: 1px solid var(--border-glow);
    padding: var(--spacing-sm);
    cursor: pointer;
    color: var(--text-primary);
    transition: all 0.3s ease;
    border-radius: var(--radius-sm);
    backdrop-filter: blur(10px);
}

.search-btn:hover {
    color: var(--primary-color);
    background: var(--bg-card);
    box-shadow: var(--shadow-glow);
    transform: scale(1.05);
}

/* 회원 섹션 */
.member-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.member-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    margin-right: var(--spacing-sm);
}

.member-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.member-point {
    font-size: 0.75rem;
    color: var(--primary-color);
    text-shadow: 0 0 5px var(--primary-color);
}

.member-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.action-btn {
    display: flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
    position: relative;
    font-size: 0.875rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.action-btn:hover {
    color: var(--primary-color);
    background: var(--bg-card);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
}

.neon-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--bg-primary);
    border: none;
    box-shadow: var(--shadow-glow);
}

.neon-btn:hover {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

.badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--error-color);
    color: white;
    font-size: 0.625rem;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
    box-shadow: 0 0 10px var(--error-color);
}

/* 인증 버튼 */
.auth-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.auth-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.3s ease;
}

.login-btn {
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
}

.login-btn:hover {
    color: var(--primary-color);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
}

.register-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--bg-primary);
    border: none;
    box-shadow: var(--shadow-glow);
}

.register-btn:hover {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

/* 모바일 메뉴 버튼 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    background: var(--bg-glass);
    border: 1px solid var(--border-glow);
    cursor: pointer;
    padding: var(--spacing-sm);
    gap: 4px;
    border-radius: var(--radius-sm);
    backdrop-filter: blur(10px);
}

.mobile-menu-btn span {
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

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

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

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

/* 반응형 디자인 */
@media (max-width: 768px) {
    .header-content {
        height: 70px;
    }
    
    .main-navigation {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--bg-primary);
        border-top: 1px solid var(--border-glow);
        box-shadow: var(--shadow-glow);
        transform: translateY(-100%);
        transition: transform 0.3s ease;
        z-index: 999;
        backdrop-filter: blur(20px);
    }
    
    .main-navigation.mobile-active {
        transform: translateY(0);
    }
    
    .nav-menu {
        flex-direction: column;
        padding: var(--spacing-md);
        gap: 0;
    }
    
    .nav-item {
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-item:last-child {
        border-bottom: none;
    }
    
    .nav-link {
        padding: var(--spacing-md);
        display: block;
    }
    
    .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        background: var(--bg-secondary);
        border-radius: 0;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .member-info {
        display: none;
    }
    
    .auth-actions {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
}

@media (max-width: 480px) {
    .header-container {
        padding: 0 var(--spacing-sm);
    }
    
    .logo-img {
        height: 35px;
    }
}