/* Header Component Styles */

#hd_h1 {
    position: absolute;
    font-size: 0;
    line-height: 0;
    overflow: hidden;
}

#skip_to_container {
    position: absolute;
    top: -9999px;
    left: -9999px;
    z-index: 10000;
}

#skip_to_container:focus {
    top: 0;
    left: 0;
    padding: 10px;
    background: var(--primary);
    color: var(--bg-primary);
    text-decoration: none;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-primary);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all var(--transition-base);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* Logo */
.header-logo {
    flex-shrink: 0;
}

.logo-text {
    font-size: var(--text-2xl);
    font-weight: var(--font-weight-bold);
    margin: 0;
    display: inline-flex;
    align-items: baseline;
    gap: 0.25rem;
}

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

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

/* Navigation */
.gnb {
    flex: 1;
    margin: 0 2rem;
}

.gnb h2 {
    position: absolute;
    font-size: 0;
    line-height: 0;
    overflow: hidden;
}

#gnb_1dul {
    display: flex;
    align-items: center;
    gap: 0;
    list-style: none;
    margin: 0;
    padding: 0;
}

.gnb_1dli {
    position: relative;
}

.gnb_1da {
    display: block;
    padding: 0 1.5rem;
    height: 70px;
    line-height: 70px;
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-fast);
    position: relative;
}

.gnb_1da:hover {
    color: var(--text-primary);
}

.gnb_1da::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background-color: var(--primary);
    transform: translateX(-50%);
    transition: width var(--transition-fast);
}

.gnb_1dli:hover .gnb_1da::after,
.gnb_1dli.active .gnb_1da::after {
    width: 100%;
}

/* Dropdown Menu */
.gnb_2dul {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
}

.gnb_1dli:hover .gnb_2dul {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.gnb_2dul_box {
    list-style: none;
    margin: 0;
    padding: 0.5rem 0;
}

.gnb_2dli {
    margin: 0;
}

.gnb_2da {
    display: block;
    padding: 0.5rem 1.5rem;
    color: var(--text-secondary);
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
}

.gnb_2da:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Search Button */
.btn-search {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: var(--radius-md);
    background-color: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-search:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

/* Theme Toggle */
.btn-theme {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: var(--radius-md);
    background-color: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-theme:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.theme-icon-dark,
.theme-icon-light {
    display: none;
}

[data-theme="dark"] .theme-icon-light {
    display: block;
}

[data-theme="light"] .theme-icon-dark {
    display: block;
}

/* Member Menu */
.member-menu {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.member-menu a {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
}

.member-menu a:hover {
    color: var(--text-primary);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    border: none;
    background-color: transparent;
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    margin: 3px auto;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* Search Form */
.search-form {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-primary);
    padding: 1rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-20px);
    transition: all var(--transition-base);
}

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

.search-input-wrap {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
}

#search_stx {
    width: 100%;
    padding: 0.75rem 3rem 0.75rem 1rem;
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-lg);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: var(--text-base);
    transition: all var(--transition-fast);
}

#search_stx:focus {
    border-color: var(--primary);
    outline: none;
}

.btn-search-submit {
    position: absolute;
    top: 50%;
    right: 0.75rem;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    border: none;
    border-radius: var(--radius-md);
    background-color: var(--primary);
    color: var(--bg-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-search-submit:hover {
    background-color: var(--primary-hover);
}

/* Responsive */
@media (max-width: 1024px) {
    .gnb {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .member-menu {
        display: none;
    }
}

@media (max-width: 768px) {
    .header-inner {
        height: 60px;
    }
    
    .logo-text {
        font-size: var(--text-xl);
    }
    
    .gnb_1da {
        height: 60px;
        line-height: 60px;
        padding: 0 1rem;
    }
}